am 5d587a47: am 2218c027: am 63e2c1eb: docs: add Google IO 2011 logo
* commit '5d587a470f83afe07a9cb97ab0fdb555efee751d':
docs: add Google IO 2011 logo
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5002de8..cfdcf55 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -71,6 +71,21 @@
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/symbols/system/lib/*.so)
+$(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/iself)
+$(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/lsd)
+$(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/apriori)
+$(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/isprelinked)
+$(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/soslim)
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/symbols/system/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
# ************************************************
# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index 821b03a..2639cae 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -117,13 +117,13 @@
building_sdk :=
endif
-# A change in the list of locales warrants an installclean, too.
-locale_list := $(subst $(space),$(comma),$(strip $(PRODUCT_LOCALES)))
+# A change in the list of aapt configs warrants an installclean, too.
+aapt_config_list := $(strip $(PRODUCT_AAPT_CONFIG))
current_build_config := \
- $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)$(building_sdk)-{$(locale_list)}
+ $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)$(building_sdk)-{$(aapt_config_list)}
building_sdk :=
-locale_list :=
+aapt_config_list :=
force_installclean := false
# Read the current state from the file, if present.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f947bf6..bc6ed0c 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -75,7 +75,6 @@
LOCAL_COPY_HEADERS:=
LOCAL_FORCE_STATIC_EXECUTABLE:=
LOCAL_ADDITIONAL_DEPENDENCIES:=
-LOCAL_PRELINK_MODULE:=
LOCAL_COMPRESS_MODULE_SYMBOLS:=
LOCAL_STRIP_MODULE:=
LOCAL_POST_PROCESS_COMMAND:=true
diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 3a3a5bd..e36c616 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -52,8 +52,8 @@
TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
-TARGET_STRIP := $(HOST_OUT_EXECUTABLES)/soslim$(HOST_EXECUTABLE_SUFFIX)
-TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip --shady --quiet $< --outfile $@
+TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
+TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@
TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
diff --git a/core/combo/select.mk b/core/combo/select.mk
index d486255..cdeb68a 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -56,8 +56,6 @@
$(combo_target)JNILIB_SUFFIX := $($(combo_target)SHLIB_SUFFIX)
$(combo_target)STATIC_LIB_SUFFIX := .a
-$(combo_target)PRELINKER_MAP := $(BUILD_SYSTEM)/prelink-$(combo_os_arch).map
-
# Now include the combo for this specific target.
include $(BUILD_COMBOS)/$(combo_target)$(combo_os_arch).mk
diff --git a/core/config.mk b/core/config.mk
index c6f6288..3b0e92e 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -105,9 +105,6 @@
# TODO: do symbol compression
TARGET_COMPRESS_MODULE_SYMBOLS := false
-# Default is to prelink modules.
-TARGET_PRELINK_MODULE := true
-
# Default shell is ash. Other possible value is mksh.
TARGET_SHELL := ash
@@ -236,10 +233,6 @@
LOCALIZE := $(HOST_OUT_EXECUTABLES)/localize$(HOST_EXECUTABLE_SUFFIX)
EMMA_JAR := external/emma/lib/emma$(COMMON_JAVA_PACKAGE_SUFFIX)
-# Binary prelinker/compressor tools
-APRIORI := $(HOST_OUT_EXECUTABLES)/apriori$(HOST_EXECUTABLE_SUFFIX)
-LSD := $(HOST_OUT_EXECUTABLES)/lsd$(HOST_EXECUTABLE_SUFFIX)
-
# Deal with archaic version of bison on Mac OS X.
ifeq ($(filter 1.28,$(shell $(YACC) -V)),)
YACC_HEADER_SUFFIX:= .hpp
diff --git a/core/definitions.mk b/core/definitions.mk
index e099be3..3b5c146 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -66,7 +66,7 @@
# These all have an order-only dependency on the copied headers
ALL_C_CPP_ETC_OBJECTS:=
-# The list of dynamic binaries that haven't been stripped/compressed/prelinked.
+# The list of dynamic binaries that haven't been stripped/compressed/etc.
ALL_ORIGINAL_DYNAMIC_BINARIES:=
# These files go into the SDK
@@ -1221,17 +1221,6 @@
$(hide) $(TARGET_STRIP_COMMAND)
endef
-define transform-to-prelinked
-@mkdir -p $(dir $@)
-@echo "target Prelink: $(PRIVATE_MODULE) ($@)"
-$(hide) $(APRIORI) \
- --prelinkmap $(TARGET_PRELINKER_MAP) \
- --locals-only \
- --quiet \
- $< \
- --output $@
-endef
-
###########################################################
## Commands for running gcc to link an executable
@@ -1333,12 +1322,12 @@
# Maybe we should just use approach (1).
# This rule creates the R.java and Manifest.java files, both of which
-# are PRODUCT-neutral. Don't pass PRODUCT_AAPT_CONFIG to this invocation.
+# are PRODUCT-neutral. Don't pass PRIVATE_PRODUCT_AAPT_CONFIG to this invocation.
define create-resource-java-files
@mkdir -p $(PRIVATE_SOURCE_INTERMEDIATES_DIR)
@mkdir -p $(dir $(PRIVATE_RESOURCE_PUBLICS_OUTPUT))
$(hide) $(AAPT) package $(PRIVATE_AAPT_FLAGS) -m \
- $(eval # PRODUCT_AAPT_CONFIG is intentionally missing-- see comment.) \
+ $(eval # PRIVATE_PRODUCT_AAPT_CONFIG is intentionally missing-- see comment.) \
$(addprefix -J , $(PRIVATE_SOURCE_INTERMEDIATES_DIR)) \
$(addprefix -M , $(PRIVATE_ANDROID_MANIFEST)) \
$(addprefix -P , $(PRIVATE_RESOURCE_PUBLICS_OUTPUT)) \
@@ -1550,7 +1539,7 @@
#them in their manifest.
define add-assets-to-package
$(hide) $(AAPT) package -u $(PRIVATE_AAPT_FLAGS) \
- $(addprefix -c , $(PRODUCT_AAPT_CONFIG)) \
+ $(addprefix -c , $(PRIVATE_PRODUCT_AAPT_CONFIG)) \
$(addprefix -M , $(PRIVATE_ANDROID_MANIFEST)) \
$(addprefix -S , $(PRIVATE_RESOURCE_DIR)) \
$(addprefix -A , $(PRIVATE_ASSET_DIR)) \
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 005ccf3..0ca1858 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -86,49 +86,20 @@
compress_output := $(compress_input)
endif
-
###########################################################
-## Pre-link
+## Store a copy with symbols for symbolic debugging
###########################################################
-prelink_input := $(compress_output)
-# The output of the prelink step is the binary we want to use
-# for symbolic debugging; the prelink step may move sections
-# around, so we have to use this version.
-prelink_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_BUILT_MODULE_STEM)
-
-# Skip prelinker if it is FDO instrumentation build.
-ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
-ifneq ($(LOCAL_NO_FDO_SUPPORT),true)
-LOCAL_PRELINK_MODULE := false
-endif
-endif
-
-ifeq ($(LOCAL_PRELINK_MODULE),true)
-$(prelink_output): $(prelink_input) $(TARGET_PRELINKER_MAP) $(APRIORI)
- $(transform-to-prelinked)
-else
-# Don't prelink the binary, just copy it. We can't skip this step
-# because people always expect a copy of the binary to appear
-# in the UNSTRIPPED directory.
-#
-# If the binary we're copying is acp or a prerequisite,
-# use cp(1) instead.
-ifneq ($(LOCAL_ACP_UNAVAILABLE),true)
-$(prelink_output): $(prelink_input) | $(ACP)
- @echo "target Non-prelinked: $(PRIVATE_MODULE) ($@)"
+symbolic_input := $(compress_output)
+symbolic_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_BUILT_MODULE_STEM)
+$(symbolic_output) : $(symbolic_input) | $(ACP)
+ @echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
$(copy-file-to-target)
-else
-$(prelink_output): $(prelink_input)
- @echo "target Non-prelinked: $(PRIVATE_MODULE) ($@)"
- $(copy-file-to-target-with-cp)
-endif
-endif
###########################################################
## Strip
###########################################################
-strip_input := $(prelink_output)
+strip_input := $(symbolic_output)
strip_output := $(LOCAL_BUILT_MODULE)
ifeq ($(strip $(LOCAL_STRIP_MODULE)),)
@@ -160,5 +131,5 @@
$(cleantarget): PRIVATE_CLEAN_FILES := \
$(PRIVATE_CLEAN_FILES) \
$(linked_module) \
- $(compress_output) \
- $(prelink_output)
+ $(symbolic_output) \
+ $(compress_output)
diff --git a/core/executable.mk b/core/executable.mk
index 623c766..6138adb 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -12,11 +12,6 @@
LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
endif
-# Executables are not prelinked. If we decide to start prelinking
-# them, the LOCAL_PRELINK_MODULE definitions should be moved from
-# here and shared_library.make and consolidated in dynamic_binary.make.
-LOCAL_PRELINK_MODULE := false
-
include $(BUILD_SYSTEM)/dynamic_binary.mk
ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
diff --git a/core/main.mk b/core/main.mk
index a5ee6d1..1a30f16 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -479,10 +479,6 @@
build/libs \
build/target \
build/tools/acp \
- build/tools/apriori \
- build/tools/soslim \
- external/elfcopy \
- external/elfutils \
external/yaffs2 \
external/zlib
else # !BUILD_TINY_ANDROID
diff --git a/core/package.mk b/core/package.mk
index 8ca9033..87c5ae9 100644
--- a/core/package.mk
+++ b/core/package.mk
@@ -19,7 +19,7 @@
##
## Additional inputs from base_rules.make:
## LOCAL_PACKAGE_NAME: The name of the package; the directory
-## will be called this.
+## will be called this.
##
## MODULE, MODULE_PATH, and MODULE_SUFFIX will
## be set for you.
@@ -214,7 +214,7 @@
# add-assets-to-package looks at PRODUCT_AAPT_CONFIG, but this target
# can't know anything about PRODUCT. Clear it out just for this target.
-$(resource_export_package): PRODUCT_AAPT_CONFIG :=
+$(resource_export_package): PRIVATE_PRODUCT_AAPT_CONFIG :=
$(resource_export_package): $(all_res_assets) $(full_android_manifest) $(RenderScript_file_stamp) $(AAPT)
@echo "target Export Resources: $(PRIVATE_MODULE) ($@)"
$(create-empty-package)
@@ -330,7 +330,9 @@
LOCAL_AAPT_INCLUDE_ALL_RESOURCES := true
endif
ifeq ($(LOCAL_AAPT_INCLUDE_ALL_RESOURCES),true)
- $(LOCAL_BUILT_MODULE): PRODUCT_AAPT_CONFIG :=
+ $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG :=
+else
+ $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_CONFIG := $(PRODUCT_AAPT_CONFIG)
endif
$(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
@echo "target Package: $(PRIVATE_MODULE) ($@)"
diff --git a/core/prelink-linux-arm.map b/core/prelink-linux-arm.map
deleted file mode 100644
index 41cd8cd..0000000
--- a/core/prelink-linux-arm.map
+++ /dev/null
@@ -1,218 +0,0 @@
-# 0xC0000000 - 0xFFFFFFFF Kernel
-# 0xB0100000 - 0xBFFFFFFF Thread 0 Stack
-# 0xB0000000 - 0xB00FFFFF Linker
-# 0xA0000000 - 0xBFFFFFFF Prelinked System Libraries
-# 0x90000000 - 0x9FFFFFFF Prelinked App Libraries
-# 0x80000000 - 0x8FFFFFFF Non-prelinked Libraries
-# 0x40000000 - 0x7FFFFFFF mmap'd stuff
-# 0x10000000 - 0x3FFFFFFF Thread Stacks
-# 0x00000000 - 0x0FFFFFFF .text / .data / heap
-
-# Note: The general rule is that libraries should be aligned on 1MB
-# boundaries. For ease of updating this file, you will find a comment
-# on each line, indicating the observed size of the library, which is
-# one of:
-#
-# [<64K] observed to be less than 64K
-# [~1M] rounded up, one megabyte (similarly for other sizes)
-# [???] no size observed, assumed to be one megabyte
-#
-# note: look at the LOAD sections in the library header:
-#
-# arm-linux-androideabi-objdump -x <lib>
-#
-
-# core system libraries
-libdl.so 0xB0100000 # [<64K]
-libc.so 0xAFF00000 # [~2M]
-libstdc++.so 0xAFE00000 # [<64K]
-libm.so 0xAFD00000 # [~1M]
-liblog.so 0xAFC00000 # [<64K]
-libcutils.so 0xAFB00000 # [~1M]
-libthread_db.so 0xAFA00000 # [<64K]
-libz.so 0xAF900000 # [~1M]
-libevent.so 0xAF800000 # [???]
-libssl.so 0xAF600000 # [~2M]
-libcrypto.so 0xAF200000 # [~4M]
-libsysutils.so 0xAF100000 # [~1M]
-
-# bluetooth
-liba2dp.so 0xAF000000 # [~1M]
-input.so 0xAEF00000 # [~1M]
-audio.so 0xAEE00000 # [~1M]
-libglib.so 0xAED00000 # [~1M]
-network.so 0xAEC00000 # [~1M]
-libbluetoothd.so 0xAEA00000 # [~2M]
-libbluedroid.so 0xAE900000 # [<64K]
-libbluetooth.so 0xAE800000 # [~1M]
-libdbus.so 0xAE700000 # [~1M]
-
-# extended system libraries
-libril.so 0xAE600000 # [~1M]
-libreference-ril.so 0xAE500000 # [~1M]
-libwpa_client.so 0xAE400000 # [<64K]
-libnetutils.so 0xAE300000 # [~1M]
-
-# core dalvik runtime support
-libandroid_servers.so 0xAE200000 # [~1M]
-libicuuc.so 0xADE00000 # [~4M]
-libicui18n.so 0xAD900000 # [~5M]
-libandroid_runtime.so 0xAD300000 # [~6M]
-libnativehelper.so 0xAD100000 # [~2M]
-libdvm-ARM.so 0xAD000000 # [???]
-libdvm.so 0xACA00000 # [~6M]
-# Note: libicudata.so intentionally omitted
-
-# graphics
-libpixelflinger.so 0xAC900000 # [~1M]
-# libcorecg is for backward-compatibility with donut
-libcorecg.so 0xAC800000 # [???]
-libsurfaceflinger_client.so 0xAC700000 # [~1M]
-libsurfaceflinger.so 0xAC500000 # [~2M]
-libGLES_android.so 0xAC400000 # [~1M]
-libagl.so 0xAC300000 # [???]
-
-libGLESv1_CM.so 0xAC200000 # [~1M]
-libGLESv2.so 0xAC100000 # [~1M]
-libOpenVG_CM.so 0xAC000000 # [???]
-libOpenVGU_CM.so 0xABF00000 # [???]
-libEGL.so 0xABE00000 # [~1M]
-libETC1.so 0xABD00000 # [<64K]
-
-libacc.so 0xABC00000 # [~1M]
-
-libexif.so 0xABB00000 # [~1M]
-libcamera_client.so 0xABA80000 # [~1M]
-libui.so 0xAB900000 # [~1M]
-libgui.so 0xAB800000 # [~1M]
-libskia.so 0xAB100000 # [~2M]
-librs_jni.so 0xAB000000 # [~1M]
-libRS.so 0xA9E00000 # [~2M]
-libandroid.so 0xA9D80000 # [<64K]
-libjnigraphics.so 0xA9D00000 # [<64K]
-libskiagl.so 0xA9C00000 # [~1M]
-
-# audio
-libaudiopolicy.so 0xA9A00000 # [~1M]
-libeffects.so 0xA9980000 # [<64K]
-libaudioeffect_jni.so 0xA9900000 # [<64K]
-libsoundpool.so 0xA9800000 # [~1M]
-libaudio.so 0xA9700000 # [~1M]
-libspeech.so 0xA9600000 # [~1M]
-libsonivox.so 0xA9500000 # [~1M]
-libvorbisidec.so 0xA9400000 # [~1M]
-libmedia_jni.so 0xA9300000 # [~1M]
-libmediaplayerservice.so 0xA9200000 # [~1M]
-libmedia.so 0xA9000000 # [~2M]
-libFFTEm.so 0xA8F00000 # [~1M]
-libSR_AudioIn.so 0xA8E00000 # [~1M] for external/srec
-libaudioflinger.so 0xA8D00000 # [~1M]
-
-# assorted system libraries
-libsqlite.so 0xA8B00000 # [~2M]
-libexpat.so 0xA8A00000 # [~1M]
-libwebcore.so 0xA8200000 # [~8M]
-libbinder.so 0xA8100000 # [~1M]
-libutils.so 0xA8000000 # [~1M]
-libcameraservice.so 0xA7F00000 # [~1M]
-libhardware.so 0xA7E00000 # [<64K]
-libhardware_legacy.so 0xA7D00000 # [~1M]
-libapp_process.so 0xA7C00000 # [???]
-libsystem_server.so 0xA7B00000 # [~1M]
-libime.so 0xA7A00000 # [???]
-libgps.so 0xA7900000 # [~1M]
-libcamera.so 0xA7800000 # [~1M]
-liboemcamera.so 0xA7600000 # [~2M]
-libdiskconfig.so 0xA7500000 # [<64K]
-libemoji.so 0xA7400000 # [<64K]
-libjni_latinime.so 0xA7300000 # [~1M]
-libjni_pinyinime.so 0xA7200000 # [~1M]
-libttssynthproxy.so 0xA7100000 # [~1M] for frameworks/base
-libttspico.so 0xA6F00000 # [~2M] for external/svox
-libmtp.so 0xA6E00000 # [~1M]
-libusbhost.so 0xA6D00000 # [<64K]
-libinput.so 0xA6C00000 # [~1M]
-
-# pv libraries
-libpvasf.so 0xA6B00000 # [???]
-libpvasfreg.so 0xA6A00000 # [???]
-libomx_sharedlibrary.so 0xA6900000 # [~1M]
-libopencore_download.so 0xA6800000 # [~1M]
-libopencore_downloadreg.so 0xA6700000 # [~1M]
-libopencore_net_support.so 0xA6400000 # [~3M]
-libopencore_rtsp.so 0xA5E00000 # [~6M]
-libopencore_rtspreg.so 0xA5D00000 # [~1M]
-libopencore_author.so 0xA5900000 # [~4M]
-libomx_aacdec_sharedlibrary.so 0xA5700000 # [~2M]
-libomx_amrdec_sharedlibrary.so 0xA5600000 # [~1M]
-libomx_amrenc_sharedlibrary.so 0xA5500000 # [~1M]
-libomx_avcdec_sharedlibrary.so 0xA5400000 # [~1M]
-libomx_avcenc_sharedlibrary.so 0xA5300000 # [???]
-libomx_m4vdec_sharedlibrary.so 0xA5200000 # [~1M]
-libomx_m4venc_sharedlibrary.so 0xA5100000 # [???]
-libomx_mp3dec_sharedlibrary.so 0xA5000000 # [~1M]
-libopencore_mp4local.so 0xA4E00000 # [~2M]
-libopencore_mp4localreg.so 0xA4D00000 # [~1M]
-libopencore_player.so 0xA4400000 # [~9M]
-
-# opencore hardware support
-libmm-adspsvc.so 0xA4300000 # [<64K]
-libOmxCore.so 0xA4200000 # [<64K]
-libOmxMpeg4Dec.so 0xA4100000 # [~1M]
-libOmxH264Dec.so 0xA4000000 # [~1M]
-libOmxVidEnc.so 0xA3F00000 # [~1M]
-libopencorehw.so 0xA3E00000 # [~1M]
-libOmxVdec.so 0xA3D00000 # [~1M]
-libmm-omxcore.so 0xA3C00000 # [<64K]
-
-# pv libraries
-libopencore_common.so 0xA3500000 # [~7M]
-libqcomm_omx.so 0xA3400000 # [<64K]
-
-# stagefright libraries
-libstagefright_amrnb_common.so 0xA3300000 # [~1M]
-libstagefright_avc_common.so 0xA3200000 # [~1M]
-libstagefright_color_conversion.so 0xA3100000 # [<64K]
-libstagefright_omx.so 0xA3000000 # [~1M]
-libstagefrighthw.so 0xA2F00000 # [~1M]
-libstagefright.so 0xA2B00000 # [~4M]
-
-# libraries for specific hardware
-libgsl.so 0xA2A00000 # [~1M]
-libhtc_acoustic.so 0xA2900000 # [<64K]
-libhtc_ril.so 0xA2800000 # [~1M]
-libreference-cdma-sms.so 0xA2600000 # [<64K] for hardware/ril
-
-# libraries for specific apps or temporary libraries
-libcam_ipl.so 0x9F000000 # [???]
-libwbxml.so 0x9EF00000 # [???]
-libwbxml_jni.so 0x9EE00000 # [~1M]
-libxml2wbxml.so 0x9EB00000 # [~1M]
-libdrm1.so 0x9EA00000 # [~1M]
-libdrm1_jni.so 0x9E900000 # [<64K]
-libwapcore.so 0x9E800000 # [???]
-libstreetview.so 0x9E700000 # [???]
-libwapbrowsertest.so 0x9E600000 # [???]
-libminiglobe.so 0x9E500000 # [???]
-libearth.so 0x9E400000 # [???]
-libembunit.so 0x9E300000 # [<64K]
-libneon.so 0x9E200000 # [???]
-libjni_example.so 0x9E100000 # [???]
-libjni_load_test.so 0x9E000000 # [???]
-libjni_lib_test.so 0x9DF00000 # [???]
-librunperf.so 0x9DE00000 # [???]
-libctest.so 0x9DD00000 # [<64K]
-libUAPI_jni.so 0x9DC00000 # [???]
-librpc.so 0x9DB00000 # [~1M]
-libtrace_test.so 0x9DA00000 # [???]
-libsrec_jni.so 0x9D800000 # [~2M]
-libjpeg.so 0x9D700000 # [~1M]
-libiprouteutil.so 0x9D600000 # [~1M] for external/iproute2
-libnetlink.so 0x9D500000 # [<64K] for external/iproute2
-libpagemap.so 0x9D400000 # [<64K] for system/extras/libpagemap
-libstlport.so 0x9D100000 # [~3M] for external/stlport
-libzxing.so 0x9D000000 # [<64K] for goggles
-libinterstitial.so 0x9CF00000 # [<64K] for goggles
-liblept.so 0x9CA00000 # [~5M] for external/leptonica
-libbcc.so 0x9C600000 # [~4M] for external/llvm
-libchromium_net.so 0x9C400000 # [~2M] for exteral/webkit
diff --git a/core/product.mk b/core/product.mk
index c2b398e..e37c2c9 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -63,6 +63,7 @@
PRODUCT_NAME \
PRODUCT_MODEL \
PRODUCT_LOCALES \
+ PRODUCT_AAPT_CONFIG \
PRODUCT_PACKAGES \
PRODUCT_DEVICE \
PRODUCT_MANUFACTURER \
@@ -197,7 +198,6 @@
TARGET_BOARD_PLATFORM_GPU \
TARGET_BOOTLOADER_BOARD_NAME \
TARGET_COMPRESS_MODULE_SYMBOLS \
- TARGET_PRELINK_MODULE \
TARGET_NO_BOOTLOADER \
TARGET_NO_KERNEL \
TARGET_NO_RECOVERY \
diff --git a/core/product_config.mk b/core/product_config.mk
index 4f4f97d..599dd04 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -226,17 +226,18 @@
extra_locales :=
endif
+# Add PRODUCT_LOCALES to PRODUCT_AAPT_CONFIG
+PRODUCT_AAPT_CONFIG := $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_AAPT_CONFIG))
+PRODUCT_AAPT_CONFIG := $(PRODUCT_LOCALES) $(PRODUCT_AAPT_CONFIG)
+
# Default to medium-density assets.
-# (Can be overridden in the device config, e.g.: PRODUCT_LOCALES += hdpi)
-PRODUCT_LOCALES := $(strip \
- $(PRODUCT_LOCALES) \
- $(if $(filter %dpi,$(PRODUCT_LOCALES)),,mdpi))
+# (Can be overridden in the device config, e.g.: PRODUCT_AAPT_CONFIG += hdpi)
+PRODUCT_AAPT_CONFIG := $(strip \
+ $(PRODUCT_AAPT_CONFIG) \
+ $(if $(filter %dpi,$(PRODUCT_AAPT_CONFIG)),,mdpi))
# Everyone gets nodpi assets which are density-independent.
-PRODUCT_LOCALES += nodpi
-
-# Assemble the list of options.
-PRODUCT_AAPT_CONFIG := $(PRODUCT_LOCALES)
+PRODUCT_AAPT_CONFIG += nodpi
# Convert spaces to commas.
comma := ,
diff --git a/core/shared_library.mk b/core/shared_library.mk
index 940fe61..47a089a 100644
--- a/core/shared_library.mk
+++ b/core/shared_library.mk
@@ -13,9 +13,6 @@
ifeq ($(strip $(LOCAL_MODULE_SUFFIX)),)
LOCAL_MODULE_SUFFIX := $(TARGET_SHLIB_SUFFIX)
endif
-ifeq ($(strip $(LOCAL_PRELINK_MODULE)),)
-LOCAL_PRELINK_MODULE := $(strip $(TARGET_PRELINK_MODULE))
-endif
ifneq ($(strip $(OVERRIDE_BUILT_MODULE_PATH)),)
$(error $(LOCAL_PATH): Illegal use of OVERRIDE_BUILT_MODULE_PATH)
endif
diff --git a/core/user_tags.mk b/core/user_tags.mk
index 090b7fa..d30e86b 100644
--- a/core/user_tags.mk
+++ b/core/user_tags.mk
@@ -49,7 +49,6 @@
apkcheck \
applypatch \
app_process \
- apriori \
archquery \
asm-3.1 \
atree \
@@ -155,8 +154,6 @@
input \
ip \
iptables \
- iself \
- isprelinked \
jarjar \
javax.obex \
jcommon-1.0.12 \
@@ -221,7 +218,6 @@
libeffects \
libEGL \
libelf \
- libelfcopy \
libESR_Portable \
libESR_Shared \
libETC1 \
@@ -481,7 +477,6 @@
signature-tools \
simg2img \
simulator \
- soslim \
spec-progress \
sqlite3 \
stack_dump \
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 04d5330..6fa330d 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
# which is the version that we reveal to the end user.
# Update this value when the platform version changes (rather
# than overriding it somewhere else). Can be an arbitrary string.
- PLATFORM_VERSION := 3.1
+ PLATFORM_VERSION := IceCreamSandwich
endif
ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -59,7 +59,7 @@
ifeq "" "$(PLATFORM_VERSION_CODENAME)"
# This is the current development code-name, if the build is not a final
# release build. If this is a final release build, it is simply "REL".
- PLATFORM_VERSION_CODENAME := REL
+ PLATFORM_VERSION_CODENAME := IceCreamSandwich
endif
ifeq "" "$(DEFAULT_APP_TARGET_SDK)"
diff --git a/envsetup.sh b/envsetup.sh
index 29935de..4e40175 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -812,55 +812,55 @@
Darwin)
function sgrep()
{
- find -E . -type f -iregex '.*\.(c|h|cpp|S|java|xml|sh|mk)' -print0 | xargs -0 grep --color -n "$@"
+ find -E . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*\.(c|h|cpp|S|java|xml|sh|mk)' -print0 | xargs -0 grep --color -n "$@"
}
;;
*)
function sgrep()
{
- find . -type f -iregex '.*\.\(c\|h\|cpp\|S\|java\|xml\|sh\|mk\)' -print0 | xargs -0 grep --color -n "$@"
+ find . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*\.\(c\|h\|cpp\|S\|java\|xml\|sh\|mk\)' -print0 | xargs -0 grep --color -n "$@"
}
;;
esac
function jgrep()
{
- find . -type f -name "*\.java" -print0 | xargs -0 grep --color -n "$@"
+ find . -name .repo -prune -o -name .git -prune -o -type f -name "*\.java" -print0 | xargs -0 grep --color -n "$@"
}
function cgrep()
{
- find . -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' \) -print0 | xargs -0 grep --color -n "$@"
+ find .a -name .repo -prune -o -name .git -prune -o -type f \( -name '*.c' -o -name '*.cc' -o -name '*.cpp' -o -name '*.h' \) -print0 | xargs -0 grep --color -n "$@"
}
function resgrep()
{
- for dir in `find . -name res -type d`; do find $dir -type f -name '*\.xml' -print0 | xargs -0 grep --color -n "$@"; done;
+ for dir in `find . -name .repo -prune -o -name .git -prune -o -name res -type d`; do find $dir -type f -name '*\.xml' -print0 | xargs -0 grep --color -n "$@"; done;
}
case `uname -s` in
Darwin)
function mgrep()
{
- find -E . -type f -iregex '.*/(Makefile|Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -print0 | xargs -0 grep --color -n "$@"
+ find -E . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*/(Makefile|Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -print0 | xargs -0 grep --color -n "$@"
}
function treegrep()
{
- find -E . -type f -iregex '.*\.(c|h|cpp|S|java|xml)' -print0 | xargs -0 grep --color -n -i "$@"
+ find -E . -name .repo -prune -o -name .git -prune -o -type f -iregex '.*\.(c|h|cpp|S|java|xml)' -print0 | xargs -0 grep --color -n -i "$@"
}
;;
*)
function mgrep()
{
- find . -regextype posix-egrep -iregex '(.*\/Makefile|.*\/Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -type f -print0 | xargs -0 grep --color -n "$@"
+ find . -name .repo -prune -o -name .git -prune -o -regextype posix-egrep -iregex '(.*\/Makefile|.*\/Makefile\..*|.*\.make|.*\.mak|.*\.mk)' -type f -print0 | xargs -0 grep --color -n "$@"
}
function treegrep()
{
- find . -regextype posix-egrep -iregex '.*\.(c|h|cpp|S|java|xml)' -type f -print0 | xargs -0 grep --color -n -i "$@"
+ find . -name .repo -prune -o -name .git -prune -o -regextype posix-egrep -iregex '.*\.(c|h|cpp|S|java|xml)' -type f -print0 | xargs -0 grep --color -n -i "$@"
}
;;
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 1bad20d..75fc040 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -20,4 +20,3 @@
# Set /system/bin/sh to mksh, not ash, to test the transition.
TARGET_SHELL := mksh
-
diff --git a/target/board/sim/BoardConfig.mk b/target/board/sim/BoardConfig.mk
index ba25c18..ba55b92 100644
--- a/target/board/sim/BoardConfig.mk
+++ b/target/board/sim/BoardConfig.mk
@@ -3,13 +3,11 @@
# Product-specific compile-time definitions.
#
-# Don't try prelinking or compressing the shared libraries
-# used by the simulator. The host OS won't know what to do
-# with them, and they may not even be ELF files.
+# Don't try compressing the shared libraries used by the simulator. The host
+# OS won't know what to do with them, and they may not even be ELF files.
#
# These definitions override the defaults in config/config.make.
TARGET_COMPRESS_MODULE_SYMBOLS := false
-TARGET_PRELINK_MODULE := false
# Don't try to build a bootloader.
TARGET_NO_BOOTLOADER := true
diff --git a/target/board/vbox_x86/BoardConfig.mk b/target/board/vbox_x86/BoardConfig.mk
index 525074e..2bdcced 100644
--- a/target/board/vbox_x86/BoardConfig.mk
+++ b/target/board/vbox_x86/BoardConfig.mk
@@ -5,7 +5,6 @@
TARGET_ARCH=x86
DISABLE_DEXPREOPT := true
TARGET_COMPRESS_MODULE_SYMBOLS := false
-TARGET_PRELINK_MODULE := false
TARGET_NO_RECOVERY := true
TARGET_HARDWARE_3D := false
BOARD_USES_GENERIC_AUDIO := true
diff --git a/target/product/core.mk b/target/product/core.mk
index 3eb72d3..c86dee9 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -85,5 +85,6 @@
PRODUCT_PACKAGES += \
bouncycastle-hostdex \
core-hostdex \
- libjavacore-host
+ libjavacore-host \
+ dalvik
endif
diff --git a/tools/apriori/Android.mk b/tools/apriori/Android.mk
deleted file mode 100644
index 79ecf7f..0000000
--- a/tools/apriori/Android.mk
+++ /dev/null
@@ -1,61 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for apriori
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-ifneq ($(TARGET_SIMULATOR),true)
-include $(CLEAR_VARS)
-
-LOCAL_LDLIBS += -ldl
-LOCAL_CFLAGS += -O2 -g
-LOCAL_CFLAGS += -fno-function-sections -fno-data-sections -fno-inline
-LOCAL_CFLAGS += -Wall -Wno-unused-function #-Werror
-LOCAL_CFLAGS += -DSUPPORT_ANDROID_PRELINK_TAGS
-LOCAL_CFLAGS += -DDEBUG
-LOCAL_CFLAGS += -DADJUST_ELF=1
-
-ifeq ($(TARGET_ARCH),arm)
-LOCAL_CFLAGS += -DARM_SPECIFIC_HACKS
-LOCAL_CFLAGS += -DBIG_ENDIAN=1
-endif
-
-ifeq ($(HOST_OS),darwin)
-LOCAL_CFLAGS += -DFSCANF_IS_BROKEN
-endif
-ifeq ($(HOST_OS),windows)
-LOCAL_CFLAGS += -DFSCANF_IS_BROKEN
-LOCAL_LDLIBS += -lintl
-endif
-
-
-
-LOCAL_SRC_FILES := \
- apriori.c \
- cmdline.c \
- debug.c \
- hash.c \
- main.c \
- prelink_info.c \
- rangesort.c \
- source.c \
- prelinkmap.c
-
-LOCAL_C_INCLUDES:= \
- $(LOCAL_PATH)/ \
- external/elfutils/lib/ \
- external/elfutils/libelf/ \
- external/elfutils/libebl/ \
- external/elfcopy/
-
-LOCAL_STATIC_LIBRARIES := libelfcopy libelf libebl #dl
-
-ifeq ($(TARGET_ARCH),arm)
-LOCAL_STATIC_LIBRARIES += libebl_arm
-endif
-
-LOCAL_MODULE := apriori
-
-include $(BUILD_HOST_EXECUTABLE)
-endif # TARGET_SIMULATOR != true
diff --git a/tools/apriori/apriori.c b/tools/apriori/apriori.c
deleted file mode 100644
index b827375..0000000
--- a/tools/apriori/apriori.c
+++ /dev/null
@@ -1,2775 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <libebl.h>
-#ifdef ARM_SPECIFIC_HACKS
- #include <libebl_arm.h>
-#endif/*ARM_SPECIFIC_HACKS*/
-#include <elf.h>
-#include <gelf.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <hash.h>
-#include <apriori.h>
-#include <source.h>
-#include <tweak.h>
-#include <rangesort.h>
-#include <prelink_info.h>
-#include <prelinkmap.h>
-#include <libgen.h>
-
-#ifndef ADJUST_ELF
-#error "ADJUST_ELF must be defined!"
-#endif
-
-/* When this macro is defined, apriori sets to ZERO those relocation values for
- which it canot find the appropriate referent.
-*/
-#define PERMISSIVE
-#define COPY_SECTION_DATA_BUFFER (0)
-/* When this macro is set to a nonzero value, we replace calls to elf_strptr()
- on the target ELF handle with code that extracts the strings directly from
- the data buffers of that ELF handle. In this case, elf_strptr() does not
- work as expected, as it tries to read the data buffer of the associated
- string section directly from the file, and that buffer does not exist yet
- in the file, since we haven't committed our changes yet.
-*/
-#define ELF_STRPTR_IS_BROKEN (1)
-
-/* When the macro below is defined, apriori does not mark for removal those
- relocation sections that it fully handles. Instead, apriori just sets their
- sizes to zero. This is more for debugging than of any actual use.
-
- This macro is meaningful only when ADJUST_ELF!=0
-*/
-#define REMOVE_HANDLED_SECTIONS
-
-extern int verbose_flag;
-
-static source_t *sources = NULL;
-
-/* Retouch data is a very concise representation of the resolved relocations.
- This data is used to randomize the location of prelinked libraries at
- update time, on the device.
- */
-
-// We will store retouch entries into this buffer, then dump them at the
-// end of the .so file before setup_prelink_info().
-#define RETOUCH_MAX_SIZE 600000
-static char *retouch_buf;
-static unsigned int retouch_byte_cnt;
-// Compression state.
-static int32_t offs_prev;
-static uint32_t cont_prev;
-
-#define false 0
-#define true 1
-
-void retouch_init(void) {
- offs_prev = 0;
- cont_prev = 0;
- retouch_byte_cnt = 0;
- retouch_buf = malloc(RETOUCH_MAX_SIZE+12);
- FAILIF(retouch_buf == NULL,
- "Could not allocate %d bytes.\n", RETOUCH_MAX_SIZE+12);
-}
-
-//
-// We use three encoding schemes; this takes care of much of the redundancy
-// inherent in lists of relocations:
-//
-// * two bytes, leading 1, 2b for d_offset ("s"), 13b for d_contents ("c")
-//
-// 76543210 76543210
-// 1ssccccc cccccccc
-//
-// * three bytes, leading 01, 2b for delta offset, 20b for delta contents
-//
-// 76543210 76543210 76543210
-// 01sscccc cccccccc cccccccc
-//
-// * eigth bytes, leading 00, 30b for offset, 32b for contents
-//
-// 76543210 76543210 76543210 76543210
-// 00ssssss ssssssss ssssssss ssssssss + 4 bytes contents
-//
-// NOTE 1: All deltas are w.r.t. the previous line in the list.
-// NOTE 2: Two-bit ("ss") offsets mean: "00"=4, "01"=8, "10"=12, and "11"=16.
-// NOTE 3: Delta contents are signed. To map back to a int32 we refill with 1s.
-// NOTE 4: Special encoding for -1 offset. Extended back to 32b when decoded.
-//
-
-void retouch_encode(int32_t offset, uint32_t contents) {
- int64_t d_offs = offset-offs_prev;
- int64_t d_cont = (int64_t)contents-(int64_t)cont_prev;
-
- uint8_t output[8];
- uint32_t output_size;
-
- if ((d_offs > 3) &&
- (d_offs % 4) == 0 &&
- (d_offs / 4) < 5 &&
- (d_cont < 4000) &&
- (d_cont > -4000)) {
- // we can fit in 2 bytes
- output[0] =
- 0x80 |
- (((d_offs/4)-1) << 5) |
- (((uint64_t)d_cont & 0x1f00) >> 8);
- output[1] =
- ((uint64_t)d_cont & 0xff);
- output_size = 2;
- } else if ((d_offs > 3) &&
- (d_offs % 4) == 0 &&
- (d_offs / 4) < 5 &&
- (d_cont < 510000) &&
- (d_cont > -510000)) {
- // fit in 3 bytes
- output[0] =
- 0x40 |
- (((d_offs/4)-1) << 4) |
- (((uint64_t)d_cont & 0xf0000) >> 16);
- output[1] =
- ((uint64_t)d_cont & 0xff00) >> 8;
- output[2] =
- ((uint64_t)d_cont & 0xff);
- output_size = 3;
- } else {
- // fit in 8 bytes; we can't support files bigger than (1GB-1)
- // with this encoding: no library is that big anyway..
- FAILIF(offset < -1 || offset > 0x3ffffffe, "Offset out of range.\n");
- output[0] = (offset & 0x3f000000) >> 24;
- output[1] = (offset & 0xff0000) >> 16;
- output[2] = (offset & 0xff00) >> 8;
- output[3] = (offset & 0xff);
- output[4] = (contents & 0xff000000) >> 24;
- output[5] = (contents & 0xff0000) >> 16;
- output[6] = (contents & 0xff00) >> 8;
- output[7] = (contents & 0xff);
- output_size = 8;
- }
-
- // If this happens, the retouch buffer size can be bumped up.
- // Currently, the largest case is libwebcore, at about 250K.
- FAILIF((retouch_byte_cnt+output_size) > RETOUCH_MAX_SIZE,
- "About to overflow retouch buffer.\n");
-
- memcpy(retouch_buf+retouch_byte_cnt, output, output_size);
- retouch_byte_cnt += output_size;
-
- offs_prev = offset;
- cont_prev = contents;
-}
-
-void retouch_dump(const char *fname, int elf_little,
- unsigned int retouch_byte_cnt, char *retouch_buf) {
- int fd = open(fname, O_WRONLY);
- FAILIF(fd < 0,
- "open(%s, O_WRONLY): %s (%d)\n" ,
- fname, strerror(errno), errno);
- off_t sz = lseek(fd, 0, SEEK_END);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- // The retouch blob ends with "RETOUCH XXXX", where XXXX is the 4-byte
- // size of the retouch blob, in target endianness.
- strncpy(retouch_buf+retouch_byte_cnt, "RETOUCH ", 8);
- if (elf_little ^ is_host_little()) {
- *(unsigned int *)(retouch_buf+retouch_byte_cnt+8) =
- switch_endianness(retouch_byte_cnt);
- } else {
- *(unsigned int *)(retouch_buf+retouch_byte_cnt+8) =
- retouch_byte_cnt;
- }
-
- int num_written = write(fd, retouch_buf, retouch_byte_cnt+12);
- FAILIF(num_written < 0,
- "write(%d, &info, sizeof(info)): %s (%d)\n",
- fd, strerror(errno), errno);
- FAILIF((retouch_byte_cnt+12) != num_written,
- "Could not write %d bytes as expected (wrote %d bytes instead)!\n",
- retouch_byte_cnt, num_written);
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
-}
-
-/* End of retouch code.
- */
-
-#if defined(DEBUG) && 0
-
-static void print_shdr(source_t *source, Elf_Scn *scn)
-{
- GElf_Shdr shdr_mem, *shdr;
- shdr = gelf_getshdr(scn, &shdr_mem);
- Elf_Data *data = elf_getdata(scn, NULL);
- INFO("\t%02d: data = %p, hdr = { offset = %8lld, size = %lld }, "
- "data->d_buf = %p data->d_off = %lld, data->d_size = %d\n",
- elf_ndxscn(scn),
- data,
- shdr->sh_offset, shdr->sh_size,
- data->d_buf, data->d_off, data->d_size);
-}
-
-static void print_shdr_idx(source_t *source, Elf *elf, int idx)
-{
- print_shdr(source, elf_getscn(elf, idx));
-}
-
-static void print_shdrs(source_t *source) {
- Elf_Scn *scn = NULL;
- INFO("section offset dump for new ELF\n");
- while ((scn = elf_nextscn (source->elf, scn)) != NULL)
- print_shdr(source, scn);
-
- INFO("\nsection offset dump for original ELF\n");
- while ((scn = elf_nextscn (source->oldelf, scn)) != NULL)
- print_shdr(source, scn);
-
-#if 0
- {
- INFO("section offset dump for new ELF\n");
- int i = 0;
- for (i = 0; i < source->shnum; i++) {
- scn = elf_getscn(source->elf, i);
- print_shdr(source, scn);
- }
- }
-#endif
-}
-
-#endif /* DEBUG */
-
-static char * find_file(const char *libname,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs);
-
-static inline source_t* find_source(const char *name,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs) {
- char *full = find_file(name, lib_lookup_dirs, num_lib_lookup_dirs);
- if (full) {
- source_t *trav = sources;
- while (trav) {
- if (!strcmp(trav->name, full))
- break;
- trav = trav->next;
- }
- free(full);
- return trav;
- }
- return NULL;
-}
-
-static inline void add_to_sources(source_t *src) {
- src->next = sources;
- sources = src;
-}
-
-static void handle_range_error(range_error_t err,
- range_t *left, range_t *right) {
- switch (err) {
- case ERROR_CONTAINS:
- ERROR("ERROR: section (%lld, %lld bytes) contains "
- "section (%lld, %lld bytes)\n",
- left->start, left->length,
- right->start, right->length);
- break;
- case ERROR_OVERLAPS:
- ERROR("ERROR: Section (%lld, %lld bytes) intersects "
- "section (%lld, %lld bytes)\n",
- left->start, left->length,
- right->start, right->length);
- break;
- default:
- ASSERT(!"Unknown range error code!");
- }
-
- FAILIF(1, "Range error.\n");
-}
-
-static void create_elf_sections(source_t *source, Elf *elf)
-{
- INFO("Creating new ELF sections.\n");
- ASSERT(elf == NULL || source->elf == NULL || source->elf == elf);
- if (elf == NULL) {
- ASSERT(source->elf != NULL);
- elf = source->elf;
- }
-
- int cnt = 1;
- Elf_Scn *oldscn = NULL, *scn;
- while ((oldscn = elf_nextscn (source->oldelf, oldscn)) != NULL) {
- GElf_Shdr *oldshdr, oldshdr_mem;
-
- scn = elf_newscn(elf);
- FAILIF_LIBELF(NULL == scn, elf_newscn);
-
- oldshdr = gelf_getshdr(oldscn, &oldshdr_mem);
- FAILIF_LIBELF(NULL == oldshdr, gelf_getshdr);
- /* Set the section header of the new section to be the same as the
- headset of the old section by default. */
- gelf_update_shdr(scn, oldshdr);
-
- /* Copy the section data */
- Elf_Data *olddata = elf_getdata(oldscn, NULL);
- FAILIF_LIBELF(NULL == olddata, elf_getdata);
-
- Elf_Data *data = elf_newdata(scn);
- FAILIF_LIBELF(NULL == data, elf_newdata);
- *data = *olddata;
-#if COPY_SECTION_DATA_BUFFER
- if (olddata->d_buf != NULL) {
- data->d_buf = MALLOC(data->d_size);
- memcpy(data->d_buf, olddata->d_buf, olddata->d_size);
- }
-#endif
-
- INFO("\tsection %02d: [%-30s] created\n",
- cnt,
- elf_strptr(source->oldelf,
- source->shstrndx,
- oldshdr->sh_name));
-
- if (ADJUST_ELF) {
- ASSERT(source->shdr_info != NULL);
- /* Create a new section. */
- source->shdr_info[cnt].idx = cnt;
- source->shdr_info[cnt].newscn = scn;
- source->shdr_info[cnt].data = data;
- source->shdr_info[cnt].
- use_old_shdr_for_relocation_calculations = 1;
- INFO("\tsection [%s] (old offset %lld, old size %lld) "
- "will have index %d (was %d).\n",
- source->shdr_info[cnt].name,
- source->shdr_info[cnt].old_shdr.sh_offset,
- source->shdr_info[cnt].old_shdr.sh_size,
- source->shdr_info[cnt].idx,
- elf_ndxscn(source->shdr_info[cnt].scn));
- /* Same as the next assert */
- ASSERT(elf_ndxscn (source->shdr_info[cnt].newscn) ==
- source->shdr_info[cnt].idx);
- }
-
- ASSERT(elf_ndxscn(scn) == (size_t)cnt);
- cnt++;
- }
-}
-
-/* This function sets up the shdr_info[] array of a source_t. We call it only
- when ADJUST_ELF is non-zero (i.e., support for adjusting an ELF file for
- changes in sizes and numbers of relocation sections is compiled in. Note
- that setup_shdr_info() depends only on the information in source->oldelf,
- not on source->elf.
-*/
-
-static void setup_shdr_info(source_t *source)
-{
- if (ADJUST_ELF)
- {
- /* Allocate the section-header-info buffer. */
- INFO("Allocating section-header info structure (%d) bytes...\n",
- source->shnum * sizeof (shdr_info_t));
-
- source->shdr_info = (shdr_info_t *)CALLOC(source->shnum,
- sizeof (shdr_info_t));
-
- /* Mark the SHT_NULL section as handled. */
- source->shdr_info[0].idx = 2;
-
- int cnt = 1;
- Elf_Scn *oldscn = NULL;
- while ((oldscn = elf_nextscn (source->oldelf, oldscn)) != NULL) {
- /* Copy the section header */
- ASSERT(elf_ndxscn(oldscn) == (size_t)cnt);
-
- /* Initialized the corresponding shdr_info entry */
- {
- /* Mark the section with a non-zero index. Later, when we
- decide to drop a section, we will set its idx to zero, and
- assign section numbers to the remaining sections.
- */
- source->shdr_info[cnt].idx = 1;
-
- source->shdr_info[cnt].scn = oldscn;
-
- /* NOTE: Here we pupulate the section-headset struct with the
- same values as the original section's. After the
- first run of prelink(), we will update the sh_size
- fields of those sections that need resizing.
- */
- FAILIF_LIBELF(NULL ==
- gelf_getshdr(oldscn,
- &source->shdr_info[cnt].shdr),
- gelf_getshdr);
-
- /* Get the name of the section. */
- source->shdr_info[cnt].name =
- elf_strptr (source->oldelf, source->shstrndx,
- source->shdr_info[cnt].shdr.sh_name);
-
- INFO("\tname: %s\n", source->shdr_info[cnt].name);
- FAILIF(source->shdr_info[cnt].name == NULL,
- "Malformed file: section %d name is null\n",
- cnt);
-
- /* Remember the shdr.sh_link value. We need to remember this
- value for those sections that refer to other sections. For
- example, we need to remember it for relocation-entry
- sections, because if we modify the symbol table that a
- relocation-entry section is relative to, then we need to
- patch the relocation section. By the time we get to
- deciding whether we need to patch the relocation section, we
- will have overwritten its header's sh_link field with a new
- value.
- */
- source->shdr_info[cnt].old_shdr = source->shdr_info[cnt].shdr;
- INFO("\t\toriginal sh_link: %08d\n",
- source->shdr_info[cnt].old_shdr.sh_link);
- INFO("\t\toriginal sh_addr: %lld\n",
- source->shdr_info[cnt].old_shdr.sh_addr);
- INFO("\t\toriginal sh_offset: %lld\n",
- source->shdr_info[cnt].old_shdr.sh_offset);
- INFO("\t\toriginal sh_size: %lld\n",
- source->shdr_info[cnt].old_shdr.sh_size);
-
- FAILIF(source->shdr_info[cnt].shdr.sh_type == SHT_SYMTAB_SHNDX,
- "Cannot handle sh_type SHT_SYMTAB_SHNDX!\n");
- FAILIF(source->shdr_info[cnt].shdr.sh_type == SHT_GROUP,
- "Cannot handle sh_type SHT_GROUP!\n");
- FAILIF(source->shdr_info[cnt].shdr.sh_type == SHT_GNU_versym,
- "Cannot handle sh_type SHT_GNU_versym!\n");
- }
-
- cnt++;
- } /* for each section */
- } /* if (ADJUST_ELF) */
-}
-
-static Elf * init_elf(source_t *source, bool create_new_sections)
-{
- Elf *elf;
- if (source->output != NULL) {
- if (source->output_is_dir) {
- source->output_is_dir++;
- char *dir = source->output;
- int dirlen = strlen(dir);
- /* The main() function maintains a pointer to source->output; it
- frees the buffer after apriori() returns.
- */
- source->output = MALLOC(dirlen +
- 1 + /* slash */
- strlen(source->name) +
- 1); /* null terminator */
- strcpy(source->output, dir);
- source->output[dirlen] = '/';
- strcpy(source->output + dirlen + 1,
- basename(source->name));
- }
-
- /* Save some of the info; needed for retouching (ASLR). */
- retouch_init();
-
- source->newelf_fd = open(source->output,
- O_RDWR | O_CREAT,
- 0666);
- FAILIF(source->newelf_fd < 0, "open(%s): %s (%d)\n",
- source->output,
- strerror(errno),
- errno);
- elf = elf_begin(source->newelf_fd, ELF_C_WRITE, NULL);
- FAILIF_LIBELF(elf == NULL, elf_begin);
- } else {
- elf = elf_clone(source->oldelf, ELF_C_EMPTY);
- FAILIF_LIBELF(elf == NULL, elf_clone);
- }
-
- GElf_Ehdr *oldehdr = gelf_getehdr(source->oldelf, &source->old_ehdr_mem);
- FAILIF_LIBELF(NULL == oldehdr, gelf_getehdr);
-
- /* Create new ELF and program headers for the elf file */
- INFO("Creating empty ELF and program headers...\n");
- FAILIF_LIBELF(gelf_newehdr (elf, gelf_getclass (source->oldelf)) == 0,
- gelf_newehdr);
- FAILIF_LIBELF(oldehdr->e_type != ET_REL
- && gelf_newphdr (elf,
- oldehdr->e_phnum) == 0,
- gelf_newphdr);
-
- /* Copy the elf header */
- INFO("Copying ELF header...\n");
- GElf_Ehdr *ehdr = gelf_getehdr(elf, &source->ehdr_mem);
- FAILIF_LIBELF(NULL == ehdr, gelf_getehdr);
- memcpy(ehdr, oldehdr, sizeof(GElf_Ehdr));
- FAILIF_LIBELF(!gelf_update_ehdr(elf, ehdr), gelf_update_ehdr);
-
- /* Copy out the old program header: notice that if the ELF file does not
- have a program header, this loop won't execute.
- */
- INFO("Copying ELF program header...\n");
- {
- int cnt;
- source->phdr_info = (GElf_Phdr *)CALLOC(ehdr->e_phnum,
- sizeof(GElf_Phdr));
- for (cnt = 0; cnt < ehdr->e_phnum; ++cnt) {
- INFO("\tRetrieving entry %d\n", cnt);
- FAILIF_LIBELF(NULL ==
- gelf_getphdr(source->oldelf, cnt,
- source->phdr_info + cnt),
- gelf_getphdr);
- FAILIF_LIBELF(gelf_update_phdr (elf, cnt,
- source->phdr_info + cnt) == 0,
- gelf_update_phdr);
- }
- }
-
- /* Copy the sections and the section headers. */
- if (create_new_sections)
- {
- create_elf_sections(source, elf);
- }
-
- /* The ELF library better follows our layout when this is not a
- relocatable object file. */
- elf_flagelf (elf, ELF_C_SET, (ehdr->e_type != ET_REL ? ELF_F_LAYOUT : 0));
-
- return elf;
-}
-
-static shdr_info_t *lookup_shdr_info_by_new_section(
- source_t *source,
- const char *sname,
- Elf_Scn *newscn)
-{
- if (source->shdr_info == NULL) return NULL;
- int cnt;
- for (cnt = 0; cnt < source->shnum; cnt++) {
- if (source->shdr_info[cnt].newscn == newscn) {
- INFO("\t\tnew section at %p matches shdr_info[%d], "
- "section [%s]!\n",
- newscn,
- cnt,
- source->shdr_info[cnt].name);
- FAILIF(strcmp(sname, source->shdr_info[cnt].name),
- "Matched section's name [%s] does not match "
- "looked-up section's name [%s]!\n",
- source->shdr_info[cnt].name,
- sname);
- return source->shdr_info + cnt;
- }
- }
- return NULL;
-}
-
-static bool do_init_source(source_t *source, unsigned base)
-{
- /* Find various sections. */
- size_t scnidx;
- Elf_Scn *scn;
- GElf_Shdr *shdr, shdr_mem;
- source->sorted_sections = init_range_list();
- INFO("Processing [%s]'s sections...\n", source->name);
- for (scnidx = 1; scnidx < (size_t)source->shnum; scnidx++) {
- INFO("\tGetting section index %d...\n", scnidx);
- scn = elf_getscn(source->elf, scnidx);
- if (NULL == scn) {
- /* If we get an error from elf_getscn(), it means that a section
- at the requested index does not exist. This may happen when
- we remove sections. Since we do not update source->shnum
- (we can't, since we need to know the original number of sections
- to know source->shdr_info[]'s length), we will attempt to
- retrieve a section for an index that no longer exists in the
- new ELF file. */
- INFO("\tThere is no section at index %d anymore, continuing.\n",
- scnidx);
- continue;
- }
- shdr = gelf_getshdr(scn, &shdr_mem);
- FAILIF_LIBELF(NULL == shdr, gelf_getshdr);
-
- /* We haven't modified the shstrtab section, and so shdr->sh_name
- has the same value as before. Thus we look up the name based
- on the old ELF handle. We cannot use shstrndx on the new ELF
- handle because the index of the shstrtab section may have
- changed (and calling elf_getshstrndx() returns the same section
- index, so libelf can't handle thise ither).
- */
- const char *sname =
- elf_strptr(source->oldelf, source->shstrndx, shdr->sh_name);
- ASSERT(sname);
-
- INFO("\tAdding [%s] (%lld, %lld)...\n",
- sname,
- shdr->sh_addr,
- shdr->sh_addr + shdr->sh_size);
- if ((shdr->sh_flags & SHF_ALLOC) == SHF_ALLOC) {
- add_unique_range_nosort(source->sorted_sections,
- shdr->sh_addr,
- shdr->sh_size,
- scn,
- handle_range_error,
- NULL); /* no user-data destructor */
- }
-
- if (shdr->sh_type == SHT_DYNSYM) {
- source->symtab.scn = scn;
- source->symtab.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->symtab.data, elf_getdata);
- memcpy(&source->symtab.shdr, shdr, sizeof(GElf_Shdr));
- source->symtab.info = lookup_shdr_info_by_new_section(
- source, sname, scn);
- ASSERT(source->shdr_info == NULL || source->symtab.info != NULL);
-
- /* The sh_link field of the section header of the symbol table
- contains the index of the associated strings table. */
- source->strtab.scn = elf_getscn(source->elf,
- source->symtab.shdr.sh_link);
- FAILIF_LIBELF(NULL == source->strtab.scn, elf_getscn);
- FAILIF_LIBELF(NULL == gelf_getshdr(source->strtab.scn,
- &source->strtab.shdr),
- gelf_getshdr);
- source->strtab.data = elf_getdata(source->strtab.scn, NULL);
- FAILIF_LIBELF(NULL == source->strtab.data, elf_getdata);
- source->strtab.info = lookup_shdr_info_by_new_section(
- source,
- elf_strptr(source->oldelf, source->shstrndx,
- source->strtab.shdr.sh_name),
- source->strtab.scn);
- ASSERT(source->shdr_info == NULL || source->strtab.info != NULL);
- } else if (shdr->sh_type == SHT_DYNAMIC) {
- source->dynamic.scn = scn;
- source->dynamic.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->dynamic.data, elf_getdata);
- memcpy(&source->dynamic.shdr, shdr, sizeof(GElf_Shdr));
- source->dynamic.info = lookup_shdr_info_by_new_section(
- source, sname, scn);
- ASSERT(source->shdr_info == NULL || source->dynamic.info != NULL);
- } else if (shdr->sh_type == SHT_HASH) {
- source->hash.scn = scn;
- source->hash.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->hash.data, elf_getdata);
- memcpy(&source->hash.shdr, shdr, sizeof(GElf_Shdr));
- source->hash.info = lookup_shdr_info_by_new_section(
- source, sname, scn);
- ASSERT(source->shdr_info == NULL || source->hash.info != NULL);
- } else if (shdr->sh_type == SHT_REL || shdr->sh_type == SHT_RELA) {
- if (source->num_relocation_sections ==
- source->relocation_sections_size) {
- source->relocation_sections_size += 5;
- source->relocation_sections =
- (section_info_t *)REALLOC(source->relocation_sections,
- source->relocation_sections_size *
- sizeof(section_info_t));
- }
- section_info_t *reloc =
- source->relocation_sections + source->num_relocation_sections;
- reloc->scn = scn;
- reloc->info = lookup_shdr_info_by_new_section(source, sname, scn);
- ASSERT(source->shdr_info == NULL || reloc->info != NULL);
- reloc->data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == reloc->data, elf_getdata);
- memcpy(&reloc->shdr, shdr, sizeof(GElf_Shdr));
- source->num_relocation_sections++;
- } else if (!strcmp(sname, ".bss")) {
- source->bss.scn = scn;
- source->bss.data = elf_getdata(scn, NULL);
- source->bss.info = lookup_shdr_info_by_new_section(
- source, sname, scn);
- ASSERT(source->shdr_info == NULL || source->bss.info != NULL);
- /* The BSS section occupies no space in the ELF file. */
- FAILIF_LIBELF(NULL == source->bss.data, elf_getdata)
- FAILIF(NULL != source->bss.data->d_buf,
- "Enexpected: section [%s] has data!",
- sname);
- memcpy(&source->bss.shdr, shdr, sizeof(GElf_Shdr));
- }
- }
- sort_ranges(source->sorted_sections);
-
- source->unfinished =
- (unfinished_relocation_t *)CALLOC(source->num_relocation_sections,
- sizeof(unfinished_relocation_t));
-
- if (source->dynamic.scn == NULL) {
- INFO("File [%s] does not have a dynamic section!\n", source->name);
- /* If this is a static executable, we won't update anything. */
- source->dry_run = 1;
- return false;
- }
-
- FAILIF(source->symtab.scn == NULL,
- "File [%s] does not have a dynamic symbol table!\n",
- source->name);
- FAILIF(source->hash.scn == NULL,
- "File [%s] does not have a hash table!\n",
- source->name);
- FAILIF(source->hash.shdr.sh_link != elf_ndxscn(source->symtab.scn),
- "Hash points to section %d, not to %d as expected!\n",
- source->hash.shdr.sh_link,
- elf_ndxscn(source->symtab.scn));
-
- /* Now, find out how many symbols we have and allocate the array of
- satisfied symbols.
-
- NOTE: We don't count the number of undefined symbols here; we will
- iterate over the symbol table later, and count them then, when it is
- more convenient.
- */
- size_t symsize = gelf_fsize (source->elf,
- ELF_T_SYM,
- 1, source->elf_hdr.e_version);
- ASSERT(symsize);
-
- source->num_syms = source->symtab.data->d_size / symsize;
- source->base = (source->oldelf_hdr.e_type == ET_DYN) ? base : 0;
- INFO("Relink base for [%s]: 0x%lx\n", source->name, source->base);
- FAILIF(source->base == -1,
- "Can't prelink [%s]: it's a shared library and you did not "
- "provide a prelink address!\n",
- source->name);
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- FAILIF(source->prelinked && source->base != source->prelink_base,
- "ERROR: file [%s] has already been prelinked for 0x%08lx. "
- "Cannot change to 0x%08lx!\n",
- source->name,
- source->prelink_base,
- source->base);
-#endif/*SUPPORT_ANDROID_PRELINK_TAGS*/
-
- return true;
-}
-
-static source_t* init_source(const char *full_path,
- const char *output, int is_file,
- int base, int dry_run)
-{
- source_t *source = (source_t *)CALLOC(1, sizeof(source_t));
-
- ASSERT(full_path);
- source->name = full_path;
- source->output = output;
- source->output_is_dir = !is_file;
-
- source->newelf_fd = -1;
- source->elf_fd = -1;
- INFO("Opening %s...\n", full_path);
- source->elf_fd =
- open(full_path, ((dry_run || output != NULL) ? O_RDONLY : O_RDWR));
- FAILIF(source->elf_fd < 0, "open(%s): %s (%d)\n",
- full_path,
- strerror(errno),
- errno);
-
- FAILIF(fstat(source->elf_fd, &source->elf_file_info) < 0,
- "fstat(%s(fd %d)): %s (%d)\n",
- source->name,
- source->elf_fd,
- strerror(errno),
- errno);
- INFO("File [%s]'s size is %lld bytes!\n",
- source->name,
- source->elf_file_info.st_size);
-
- INFO("Calling elf_begin(%s)...\n", full_path);
-
- source->oldelf =
- elf_begin(source->elf_fd,
- (dry_run || output != NULL) ? ELF_C_READ : ELF_C_RDWR,
- NULL);
- FAILIF_LIBELF(source->oldelf == NULL, elf_begin);
-
- /* libelf can recognize COFF and A.OUT formats, but we handle only ELF. */
- if(elf_kind(source->oldelf) != ELF_K_ELF) {
- ERROR("Input file %s is not in ELF format!\n", full_path);
- return NULL;
- }
-
- /* Make sure this is a shared library or an executable. */
- {
- INFO("Making sure %s is a shared library or an executable...\n",
- full_path);
- FAILIF_LIBELF(0 == gelf_getehdr(source->oldelf, &source->oldelf_hdr),
- gelf_getehdr);
- FAILIF(source->oldelf_hdr.e_type != ET_DYN &&
- source->oldelf_hdr.e_type != ET_EXEC,
- "%s must be a shared library (elf type is %d, expecting %d).\n",
- full_path,
- source->oldelf_hdr.e_type,
- ET_DYN);
- }
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- /* First, check to see if the file has been prelinked. */
- source->prelinked =
- check_prelinked(source->name,
- source->oldelf_hdr.e_ident[EI_DATA] == ELFDATA2LSB,
- &source->prelink_base);
- /* Note that in the INFO() below we need to use oldelf_hdr because we
- haven't cloned the ELF file yet, and source->elf_hdr is not defined. */
- if (source->prelinked) {
- PRINT("%s [%s] is already prelinked at 0x%08lx!\n",
- (source->oldelf_hdr.e_type == ET_EXEC ?
- "Executable" : "Shared library"),
- source->name,
- source->prelink_base);
- /* Force a dry run when the file has already been prelinked */
- source->dry_run = dry_run = 1;
- }
- else {
- INFO("%s [%s] is not prelinked!\n",
- (source->oldelf_hdr.e_type == ET_EXEC ?
- "Executable" : "Shared library"),
- source->name);
- source->dry_run = dry_run;
- }
-#endif/*SUPPORT_ANDROID_PRELINK_TAGS*/
-
- /* Get the index of the section-header-strings-table section. */
- FAILIF_LIBELF(elf_getshstrndx (source->oldelf, &source->shstrndx) < 0,
- elf_getshstrndx);
-
- FAILIF_LIBELF(elf_getshnum (source->oldelf, (size_t *)&source->shnum) < 0,
- elf_getshnum);
-
- /* When we have a dry run, or when ADJUST_ELF is enabled, we use
- source->oldelf for source->elf, because the former is mmapped privately,
- so changes to it have no effect. With ADJUST_ELF, the first run of
- prelink() is a dry run. We will reopen the elf file for write access
- after that dry run, before we call adjust_elf. */
-
- source->elf = (ADJUST_ELF || source->dry_run) ?
- source->oldelf : init_elf(source, ADJUST_ELF == 0);
-
- FAILIF_LIBELF(0 == gelf_getehdr(source->elf, &source->elf_hdr),
- gelf_getehdr);
-#ifdef DEBUG
- ASSERT(!memcmp(&source->oldelf_hdr,
- &source->elf_hdr,
- sizeof(source->elf_hdr)));
-#endif
-
- /* Get the EBL handling. The -g option is currently the only reason
- we need EBL so dont open the backend unless necessary. */
- source->ebl = ebl_openbackend (source->elf);
- FAILIF_LIBELF(NULL == source->ebl, ebl_openbackend);
-#ifdef ARM_SPECIFIC_HACKS
- FAILIF_LIBELF(0 != arm_init(source->elf, source->elf_hdr.e_machine,
- source->ebl, sizeof(Ebl)),
- arm_init);
-#endif/*ARM_SPECIFIC_HACKS*/
-
- add_to_sources(source);
- if (do_init_source(source, base) == false) return NULL;
- return source;
-}
-
-/* complements do_init_source() */
-static void do_destroy_source(source_t *source)
-{
- int cnt;
- destroy_range_list(source->sorted_sections);
- source->sorted_sections = NULL;
- for (cnt = 0; cnt < source->num_relocation_sections; cnt++) {
- FREEIF(source->unfinished[cnt].rels);
- source->unfinished[cnt].rels = NULL;
- source->unfinished[cnt].num_rels = 0;
- source->unfinished[cnt].rels_size = 0;
- }
- if (source->jmprel.sections != NULL) {
- destroy_range_list(source->jmprel.sections);
- source->jmprel.sections = NULL;
- }
- if (source->rel.sections != NULL) {
- destroy_range_list(source->rel.sections);
- source->rel.sections = NULL;
- }
- FREE(source->unfinished); /* do_init_source() */
- source->unfinished = NULL;
- FREE(source->relocation_sections); /* do_init_source() */
- source->relocation_sections = NULL;
- source->num_relocation_sections = source->relocation_sections_size = 0;
-}
-
-static void destroy_source(source_t *source)
-{
- /* Is this a little-endian ELF file? */
- if (source->oldelf != source->elf) {
- /* If it's a dynamic executable, this must not be a dry run. */
- if (!source->dry_run && source->dynamic.scn != NULL)
- {
- FAILIF_LIBELF(elf_update(source->elf, ELF_C_WRITE) == -1,
- elf_update);
- }
- FAILIF_LIBELF(elf_end(source->oldelf), elf_end);
- }
- ebl_closebackend(source->ebl);
- FAILIF_LIBELF(elf_end(source->elf), elf_end);
- FAILIF(close(source->elf_fd) < 0, "Could not close file %s: %s (%d)!\n",
- source->name, strerror(errno), errno);
- FAILIF((source->newelf_fd >= 0) && (close(source->newelf_fd) < 0),
- "Could not close output file: %s (%d)!\n", strerror(errno), errno);
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- if (!source->dry_run) {
- if (source->dynamic.scn != NULL &&
- source->elf_hdr.e_type != ET_EXEC)
- {
- /* For some reason, trying to write directly to source->elf_fd
- causes a "bad file descriptor" error because of something libelf
- does. We just close the file descriptor and open a new one in
- function setup_prelink_info() below. */
- INFO("%s: setting up prelink tag at end of file.\n",
- source->output ? source->output : source->name);
- retouch_encode(-1, source->base);
- retouch_dump(source->output ? source->output : source->name,
- source->elf_hdr.e_ident[EI_DATA] == ELFDATA2LSB,
- retouch_byte_cnt,
- retouch_buf);
- setup_prelink_info(source->output ? source->output : source->name,
- source->elf_hdr.e_ident[EI_DATA] == ELFDATA2LSB,
- source->base);
- }
- else INFO("%s: executable, NOT setting up prelink tag.\n",
- source->name);
- }
-#endif/*SUPPORT_ANDROID_PRELINK_TAGS*/
-
- do_destroy_source(source);
- if (retouch_buf != NULL) { free(retouch_buf); retouch_buf = NULL; }
-
- if (source->shstrtab_data != NULL)
- FREEIF(source->shstrtab_data->d_buf); /* adjust_elf */
-
- FREE(source->lib_deps); /* list of library dependencies (process_file()) */
- FREEIF(source->shdr_info); /* setup_shdr_info() */
- FREEIF(source->phdr_info); /* init_elf() */
- FREE(source->name); /* assigned to by init_source() */
- /* If the output is a directory, in init_elf() we allocate a buffer where
- we copy the directory, a slash, and the file name. Here we free that
- buffer.
- */
- if (source->output_is_dir > 1) {
- FREE(source->output);
- }
- FREE(source); /* init_source() */
-}
-
-static void reinit_source(source_t *source)
-{
- do_destroy_source(source);
- do_init_source(source, source->base);
-
- {
- /* We've gathered all the DT_DYNAMIC entries; now we need to figure
- out which relocation sections fit in which range as described by
- the entries. Before we do so, however, we will populate the
- jmprel and rel members of source, as well as their sizes.
- */
-
- size_t dynidx, numdyn;
- GElf_Dyn *dyn, dyn_mem;
-
- numdyn = source->dynamic.shdr.sh_size /
- source->dynamic.shdr.sh_entsize;
-
- source->rel.idx = source->rel.sz_idx = -1;
- source->jmprel.idx = source->jmprel.sz_idx = -1;
- for (dynidx = 0; dynidx < numdyn; dynidx++) {
- dyn = gelf_getdyn (source->dynamic.data,
- dynidx,
- &dyn_mem);
- FAILIF_LIBELF(NULL == dyn, gelf_getdyn);
- switch (dyn->d_tag)
- {
- case DT_NEEDED:
- break;
- case DT_JMPREL:
- INFO("reinit_source: DT_JMPREL is at index %d, 0x%08llx.\n",
- dynidx, dyn->d_un.d_ptr);
- source->jmprel.idx = dynidx;
- source->jmprel.addr = dyn->d_un.d_ptr;
- break;
- case DT_PLTRELSZ:
- INFO("reinit_source: DT_PLTRELSZ is at index %d, 0x%08llx.\n",
- dynidx, dyn->d_un.d_val);
- source->jmprel.sz_idx = dynidx;
- source->jmprel.size = dyn->d_un.d_val;
- break;
- case DT_REL:
- INFO("reinit_source: DT_REL is at index %d, 0x%08llx.\n",
- dynidx, dyn->d_un.d_ptr);
- source->rel.idx = dynidx;
- source->rel.addr = dyn->d_un.d_ptr;
- break;
- case DT_RELSZ:
- INFO("reinit_source: DT_RELSZ is at index %d, 0x%08llx.\n",
- dynidx, dyn->d_un.d_val);
- source->rel.sz_idx = dynidx;
- source->rel.size = dyn->d_un.d_val;
- break;
- case DT_RELA:
- case DT_RELASZ:
- FAILIF(1, "Can't handle DT_RELA and DT_RELASZ entries!\n");
- break;
- } /* switch */
- } /* for each dynamic entry... */
- }
-}
-
-static GElf_Sym *hash_lookup_global_or_weak_symbol(source_t *lib,
- const char *symname,
- GElf_Sym *lib_sym_mem)
-{
- int lib_symidx = hash_lookup(lib->elf,
- lib->hash.data,
- lib->symtab.data,
- lib->strtab.data,
- symname);
-
- GElf_Sym sym_mem;
- if (SHN_UNDEF != lib_symidx) {
- /* We found the symbol--now check to see if it is global
- or weak. If this is the case, then the symbol satisfies
- the dependency. */
- GElf_Sym *lib_sym = gelf_getsymshndx(lib->symtab.data,
- NULL,
- lib_symidx,
- &sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == lib_sym, gelf_getsymshndx);
-#if ELF_STRPTR_IS_BROKEN
- ASSERT(!strcmp(
- symname,
- ((char *)elf_getdata(elf_getscn(lib->elf,
- lib->symtab.shdr.sh_link),
- NULL)->d_buf) +
- lib_sym->st_name));
-#else
- ASSERT(!strcmp(
- symname,
- elf_strptr(lib->elf, lib->symtab.shdr.sh_link,
- lib_sym->st_name)));
-#endif
- if (lib_sym->st_shndx != SHN_UNDEF &&
- (GELF_ST_BIND(lib_sym->st_info) == STB_GLOBAL ||
- GELF_ST_BIND(lib_sym->st_info) == STB_WEAK)) {
- memcpy(lib_sym_mem, &sym_mem, sizeof(GElf_Sym));
- return lib_sym;
- }
- }
-
- return NULL;
-}
-
-static source_t *lookup_symbol_in_dependencies(source_t *source,
- const char *symname,
- GElf_Sym *found_sym)
-{
- source_t *sym_source = NULL; /* return value */
-
- /* This is an undefined symbol. Go over the list of libraries
- and look it up. */
- size_t libidx;
- int found = 0;
- source_t *last_found = NULL;
- for (libidx = 0; libidx < (size_t)source->num_lib_deps; libidx++) {
- source_t *lib = source->lib_deps[libidx];
- if (hash_lookup_global_or_weak_symbol(lib, symname, found_sym) != NULL)
- {
- sym_source = lib;
- if (found) {
- if (found == 1) {
- found++;
- ERROR("ERROR: multiple definitions found for [%s:%s]!\n",
- source->name, symname);
- ERROR("\tthis definition [%s]\n", lib->name);
- }
- ERROR("\tprevious definition [%s]\n", last_found->name);
- }
- last_found = lib;
- if (!found) found = 1;
- }
- }
-
-#if ELF_STRPTR_IS_BROKEN
- ASSERT(!sym_source ||
- !strcmp(symname,
- (char *)(elf_getdata(elf_getscn(
- sym_source->elf,
- sym_source->symtab.shdr.sh_link),
- NULL)->d_buf) +
- found_sym->st_name));
-#else
- ASSERT(!sym_source ||
- !strcmp(symname,
- elf_strptr(sym_source->elf,
- sym_source->symtab.shdr.sh_link,
- found_sym->st_name)));
-#endif
-
- return sym_source;
-}
-
-static int do_prelink(source_t *source,
- Elf_Data *reloc_scn_data,
- int reloc_scn_entry_size,
- unfinished_relocation_t *unfinished,
- int locals_only,
- bool dry_run,
- char **lib_lookup_dirs, int num_lib_lookup_dirs,
- char **default_libs, int num_default_libs,
- int *num_unfinished_relocs)
-{
- int num_relocations = 0;
-
- size_t num_rels;
- num_rels = reloc_scn_data->d_size / reloc_scn_entry_size;
-
- INFO("\tThere are %d relocations.\n", num_rels);
-
- int rel_idx;
- for (rel_idx = 0; rel_idx < (size_t)num_rels; rel_idx++) {
- GElf_Rel *rel, rel_mem;
-
- //INFO("\tHandling relocation %d/%d\n", rel_idx, num_rels);
-
- rel = gelf_getrel(reloc_scn_data, rel_idx, &rel_mem);
- FAILIF_LIBELF(rel == NULL, gelf_getrel);
- GElf_Sym *sym = NULL, sym_mem;
- unsigned sym_idx = GELF_R_SYM(rel->r_info);
- source_t *sym_source = NULL;
- /* found_sym points to found_sym_mem, when sym_source != NULL, and
- to sym, when the sybmol is locally defined. If the symbol is
- not locally defined and sym_source == NULL, then sym is not
- defined either. */
- GElf_Sym *found_sym = NULL, found_sym_mem;
- const char *symname = NULL;
- int sym_is_local = 1;
- if (sym_idx) {
- sym = gelf_getsymshndx(source->symtab.data,
- NULL,
- sym_idx,
- &sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == sym, gelf_getsymshndx);
-#if ELF_STRPTR_IS_BROKEN
- symname =
- ((char *)source->strtab.data->d_buf) +
- sym->st_name;
-#else
- symname = elf_strptr(source->elf,
- elf_ndxscn(source->strtab.scn),
- sym->st_name);
-#endif
-
- /* If the symbol is defined and is either not in the BSS
- section, or if it is in the BSS then the relocation is
- not a copy relocation, then the symbol's source is this
- library (i.e., it is locally-defined). Otherwise, the
- symbol is imported.
- */
-
- sym_is_local = 0;
- if (sym->st_shndx != SHN_UNDEF &&
- (source->bss.scn == NULL ||
- sym->st_shndx != elf_ndxscn(source->bss.scn) ||
-#ifdef ARM_SPECIFIC_HACKS
- GELF_R_TYPE(rel->r_info) != R_ARM_COPY
-#else
- 1
-#endif
- ))
- {
- sym_is_local = 1;
- }
-
- if (sym_is_local) {
- INFO("\t\tSymbol [%s:%s] is defined locally.\n",
- source->name,
- symname);
- sym_source = source;
- found_sym = sym;
- }
- else if (!locals_only) {
- sym_source = lookup_symbol_in_dependencies(source,
- symname,
- &found_sym_mem);
-
- /* The symbol was not in the list of dependencies, which by
- itself is an error: it means either that the symbol does
- not exist anywhere, or that the library which has the symbol
- has not been listed as a dependency in this library or
- executable. It could also mean (for a library) that the
- symbol is defined in the executable that links agsinst it,
- which is obviously not a good thing. These are bad things,
- but they do happen, which is why we have the ability to
- provide a list of default dependencies, including
- executables. Here we check to see if the symbol has been
- defined in any of them.
- */
- if (NULL == sym_source) {
- INFO("\t\tChecking default dependencies...\n");
- int i;
- source_t *lib, *old_sym_source = NULL;
- int printed_initial_error = 0;
- for (i = 0; i < num_default_libs; i++) {
- INFO("\tChecking in [%s].\n", default_libs[i]);
- lib = find_source(default_libs[i],
- lib_lookup_dirs,
- num_lib_lookup_dirs);
- FAILIF(NULL == lib,
- "Can't find default library [%s]!\n",
- default_libs[i]);
- if (hash_lookup_global_or_weak_symbol(lib,
- symname,
- &found_sym_mem)) {
- found_sym = &found_sym_mem;
- sym_source = lib;
-#if ELF_STRPTR_IS_BROKEN
- ASSERT(!strcmp(symname,
- (char *)(elf_getdata(
- elf_getscn(
- sym_source->elf,
- sym_source->symtab.
- shdr.sh_link),
- NULL)->d_buf) +
- found_sym->st_name));
-#else
- ASSERT(!strcmp(symname,
- elf_strptr(sym_source->elf,
- sym_source->symtab.shdr.sh_link,
- found_sym->st_name)));
-
-#endif
- INFO("\tFound symbol [%s] in [%s]!\n",
- symname, lib->name);
- if (old_sym_source) {
- if (printed_initial_error == 0) {
- printed_initial_error = 1;
- ERROR("Multiple definition of [%s]:\n"
- "\t[%s]\n",
- symname,
- old_sym_source->name);
- }
- ERROR("\t[%s]\n", sym_source->name);
- }
- old_sym_source = sym_source;
- } else {
- INFO("\tCould not find symbol [%s] in default "
- "lib [%s]!\n", symname, lib->name);
- }
- }
- if (sym_source) {
- ERROR("ERROR: Could not find [%s:%s] in dependent "
- "libraries (but found in default [%s])!\n",
- source->name,
- symname,
- sym_source->name);
- }
- } else {
- found_sym = &found_sym_mem;
- /* We found the symbol in a dependency library. */
- INFO("\t\tSymbol [%s:%s, value %lld] is imported from [%s]\n",
- source->name,
- symname,
- found_sym->st_value,
- sym_source->name);
- }
- } /* if symbol is defined in this library... */
-
- if (!locals_only) {
- /* If a symbol is weak and we haven't found it, then report
- an error. We really need to find a way to set its value
- to zero. The problem is that it needs to refer to some
- section. */
-
- FAILIF(NULL == sym_source &&
- GELF_ST_BIND(sym->st_info) == STB_WEAK,
- "Cannot handle weak symbols yet (%s:%s <- %s).\n",
- source->name,
- symname,
- sym_source->name);
-#ifdef PERMISSIVE
- if (GELF_ST_BIND(sym->st_info) != STB_WEAK &&
- NULL == sym_source) {
- ERROR("ERROR: Can't find symbol [%s:%s] in dependent or "
- "default libraries!\n", source->name, symname);
- }
-#else
- FAILIF(GELF_ST_BIND(sym->st_info) != STB_WEAK &&
- NULL == sym_source,
- "Can't find symbol [%s:%s] in dependent or default "
- "libraries!\n",
- source->name,
- symname);
-#endif
- } /* if (!locals_only) */
- }
-#if 0 // too chatty
- else
- INFO("\t\tno symbol is associated with this relocation\n");
-#endif
-
-
- // We prelink only local symbols when locals_only == 1.
-
- bool can_relocate = true;
- if (!sym_is_local &&
- (symname[0] == 'd' && symname[1] == 'l' && symname[2] != '\0' &&
- (!strcmp(symname + 2, "open") ||
- !strcmp(symname + 2, "close") ||
- !strcmp(symname + 2, "sym") ||
- !strcmp(symname + 2, "error")))) {
- INFO("********* NOT RELOCATING LIBDL SYMBOL [%s]\n", symname);
- can_relocate = false;
- }
-
- if (can_relocate && (sym_is_local || !locals_only))
- {
- GElf_Shdr shdr_mem; Elf_Scn *scn; Elf_Data *data;
- find_section(source, rel->r_offset, &scn, &shdr_mem, &data);
- unsigned *dest =
- (unsigned*)(((char *)data->d_buf) +
- (rel->r_offset - shdr_mem.sh_addr));
- unsigned rel_type = GELF_R_TYPE(rel->r_info);
- char buf[64];
- INFO("\t\t%-15s ",
- ebl_reloc_type_name(source->ebl,
- GELF_R_TYPE(rel->r_info),
- buf,
- sizeof(buf)));
-
- /* Section-name offsets do not change, so we use oldelf to get the
- strings. This makes a difference in the second pass of the
- perlinker, after the call to adjust_elf, because
- source->shstrndx no longer contains the index of the
- section-header-strings table.
- */
- const char *sname = elf_strptr(
- source->oldelf, source->shstrndx, shdr_mem.sh_name);
-
- switch (rel_type) {
- case R_ARM_JUMP_SLOT:
- case R_ARM_GLOB_DAT:
- case R_ARM_ABS32:
- ASSERT(data->d_buf != NULL);
- ASSERT(data->d_size >= rel->r_offset - shdr_mem.sh_addr);
-#ifdef PERMISSIVE
- if (sym_source == NULL) {
- ERROR("ERROR: Permissive relocation "
- "[%-15s] [%s:%s]: [0x%llx] = ZERO\n",
- ebl_reloc_type_name(source->ebl,
- GELF_R_TYPE(rel->r_info),
- buf,
- sizeof(buf)),
- sname,
- symname,
- rel->r_offset);
- if (!dry_run)
- *dest = 0;
- } else
-#endif
- {
- ASSERT(sym_source);
- INFO("[%s:%s]: [0x%llx] = 0x%llx + 0x%lx\n",
- sname,
- symname,
- rel->r_offset,
- found_sym->st_value,
- sym_source->base);
- if (!dry_run) {
- PRINT("WARNING: Relocation type not supported "
- "for retouching!");
- *dest = found_sym->st_value + sym_source->base;
- }
- }
- num_relocations++;
- break;
- case R_ARM_RELATIVE:
- ASSERT(data->d_buf != NULL);
- ASSERT(data->d_size >= rel->r_offset - shdr_mem.sh_addr);
- FAILIF(sym != NULL,
- "Unsupported RELATIVE form (symbol != 0)...\n");
- INFO("[%s:%s]: [0x%llx] = 0x%x + 0x%lx\n",
- sname,
- symname ?: "(symbol has no name)",
- rel->r_offset, *dest, source->base);
- if (!dry_run) {
- *dest += source->base;
-
- /* Output an entry for the ASLR touch-up process. */
- retouch_encode(rel->r_offset
- -shdr_mem.sh_addr
- +shdr_mem.sh_offset,
- *dest);
- }
- num_relocations++;
- break;
- case R_ARM_COPY:
-#ifdef PERMISSIVE
- if (sym_source == NULL) {
- ERROR("ERROR: Permissive relocation "
- "[%-15s] [%s:%s]: NOT PERFORMING\n",
- ebl_reloc_type_name(source->ebl,
- GELF_R_TYPE(rel->r_info),
- buf,
- sizeof(buf)),
- sname,
- symname);
- } else
-#endif
- {
- ASSERT(sym);
- ASSERT(sym_source);
- GElf_Shdr src_shdr_mem;
- Elf_Scn *src_scn;
- Elf_Data *src_data;
- find_section(sym_source, found_sym->st_value,
- &src_scn,
- &src_shdr_mem,
- &src_data);
- INFO("Found [%s:%s (%lld)] in section [%s] .\n",
- sym_source->name,
- symname,
- found_sym->st_value,
-#if ELF_STRPTR_IS_BROKEN
- (((char *)elf_getdata(
- elf_getscn(sym_source->elf,
- sym_source->shstrndx),
- NULL)->d_buf) + src_shdr_mem.sh_name)
-#else
- elf_strptr(sym_source->elf,
- sym_source->shstrndx,
- src_shdr_mem.sh_name)
-#endif
- );
-
- unsigned *src = NULL;
- if (src_data->d_buf == NULL)
- {
-#ifdef PERMISSIVE
- if (sym_source->bss.scn == NULL ||
- elf_ndxscn(src_scn) !=
- elf_ndxscn(sym_source->bss.scn)) {
- ERROR("ERROR: Permissive relocation (NULL source "
- "not from .bss) [%-15s] [%s:%s]: "
- "NOT PERFORMING\n",
- ebl_reloc_type_name(source->ebl,
- GELF_R_TYPE(rel->r_info),
- buf,
- sizeof(buf)),
- sname,
- symname);
- }
-#endif
- }
- else {
- ASSERT(src_data->d_size >=
- found_sym->st_value - src_shdr_mem.sh_addr);
- src = (unsigned*)(((char *)src_data->d_buf) +
- (found_sym->st_value -
- src_shdr_mem.sh_addr));
- }
- ASSERT(symname);
- INFO("[%s:%s]: [0x%llx] <- [0x%llx] size %lld\n",
- sname,
- symname, rel->r_offset,
- found_sym->st_value,
- found_sym->st_size);
-
-#ifdef PERMISSIVE
- if (src_data->d_buf != NULL ||
- (sym_source->bss.scn != NULL &&
- elf_ndxscn(src_scn) ==
- elf_ndxscn(sym_source->bss.scn)))
-#endif/*PERMISSIVE*/
- {
- if (data->d_buf == NULL) {
- INFO("Incomplete relocation [%-15s] of [%s:%s].\n",
- ebl_reloc_type_name(source->ebl,
- GELF_R_TYPE(rel->r_info),
- buf,
- sizeof(buf)),
- sname,
- symname);
- FAILIF(unfinished == NULL,
- "You passed unfinished as NULL expecting "
- "to handle all relocations, "
- "but at least one cannot be handled!\n");
- if (unfinished->num_rels == unfinished->rels_size) {
- unfinished->rels_size += 10;
- unfinished->rels = (GElf_Rel *)REALLOC(
- unfinished->rels,
- unfinished->rels_size *
- sizeof(GElf_Rel));
- }
- unfinished->rels[unfinished->num_rels++] = *rel;
- num_relocations--;
- (*num_unfinished_relocs)++;
- }
- else {
- if (src_data->d_buf != NULL)
- {
- ASSERT(data->d_buf != NULL);
- ASSERT(data->d_size >= rel->r_offset -
- shdr_mem.sh_addr);
- if (!dry_run) {
- PRINT("WARNING: Relocation type not supported "
- "for retouching!");
- memcpy(dest, src, found_sym->st_size);
- }
- }
- else {
- ASSERT(src == NULL);
- ASSERT(elf_ndxscn(src_scn) ==
- elf_ndxscn(sym_source->bss.scn));
- if (!dry_run) {
- PRINT("WARNING: Relocation type not supported "
- "for retouching!");
- memset(dest, 0, found_sym->st_size);
- }
- }
- }
- }
- num_relocations++;
- }
- break;
- default:
- FAILIF(1, "Unknown relocation type %d!\n", rel_type);
- } // switch
- } // relocate
- else {
- INFO("\t\tNot relocating symbol [%s]%s\n",
- symname,
- (can_relocate ? ", relocating only locals" :
- ", which is a libdl symbol"));
- FAILIF(unfinished == NULL,
- "You passed unfinished as NULL expecting to handle all "
- "relocations, but at least one cannot be handled!\n");
- if (unfinished->num_rels == unfinished->rels_size) {
- unfinished->rels_size += 10;
- unfinished->rels = (GElf_Rel *)REALLOC(
- unfinished->rels,
- unfinished->rels_size *
- sizeof(GElf_Rel));
- }
- unfinished->rels[unfinished->num_rels++] = *rel;
- (*num_unfinished_relocs)++;
- }
- } // for each relocation entry
-
- return num_relocations;
-}
-
-static int prelink(source_t *source,
- int locals_only,
- bool dry_run,
- char **lib_lookup_dirs, int num_lib_lookup_dirs,
- char **default_libs, int num_default_libs,
- int *num_unfinished_relocs)
-{
- INFO("Prelinking [%s] (number of relocation sections: %d)%s...\n",
- source->name, source->num_relocation_sections,
- (dry_run ? " (dry run)" : ""));
- int num_relocations = 0;
- int rel_scn_idx;
- for (rel_scn_idx = 0; rel_scn_idx < source->num_relocation_sections;
- rel_scn_idx++)
- {
- section_info_t *reloc_scn = source->relocation_sections + rel_scn_idx;
- unfinished_relocation_t *unfinished = source->unfinished + rel_scn_idx;
-
- /* We haven't modified the shstrtab section, and so shdr->sh_name has
- the same value as before. Thus we look up the name based on the old
- ELF handle. We cannot use shstrndx on the new ELF handle because
- the index of the shstrtab section may have changed (and calling
- elf_getshstrndx() returns the same section index, so libelf can't
- handle thise ither).
-
- If reloc_scn->info is available, we can assert that the
- section-name has not changed. If this assertion fails,
- then we cannot use the elf_strptr() trick below to get
- the section name. One solution would be to save it in
- the section_info_t structure.
- */
- ASSERT(reloc_scn->info == NULL ||
- reloc_scn->shdr.sh_name == reloc_scn->info->old_shdr.sh_name);
- const char *sname =
- elf_strptr(source->oldelf,
- source->shstrndx,
- reloc_scn->shdr.sh_name);
- ASSERT(sname != NULL);
-
- INFO("\n\tIterating relocation section [%s]...\n", sname);
-
- /* In general, the new size of the section differs from the original
- size of the section, because we can handle some of the relocations.
- This was communicated to adjust_elf, which modified the ELF file
- according to the new section sizes. Now, when prelink() does the
- actual work of prelinking, it needs to know the original size of the
- relocation section so that it can see all of the original relocation
- entries!
- */
- size_t d_size = reloc_scn->data->d_size;
- if (reloc_scn->info != NULL &&
- reloc_scn->data->d_size != reloc_scn->info->old_shdr.sh_size)
- {
- INFO("Setting size of section [%s] to from new size %d to old "
- "size %lld temporarily (so prelinker can see all "
- "relocations).\n",
- reloc_scn->info->name,
- d_size,
- reloc_scn->info->old_shdr.sh_size);
- reloc_scn->data->d_size = reloc_scn->info->old_shdr.sh_size;
- }
-
- num_relocations +=
- do_prelink(source,
- reloc_scn->data, reloc_scn->shdr.sh_entsize,
- unfinished,
- locals_only, dry_run,
- lib_lookup_dirs, num_lib_lookup_dirs,
- default_libs, num_default_libs,
- num_unfinished_relocs);
-
- if (reloc_scn->data->d_size != d_size)
- {
- ASSERT(reloc_scn->info != NULL);
- INFO("Resetting size of section [%s] to %d\n",
- reloc_scn->info->name,
- d_size);
- reloc_scn->data->d_size = d_size;
- }
- }
-
- /* Now prelink those relocation sections which were fully handled, and
- therefore removed. They are not a part of the
- source->relocation_sections[] array anymore, but we can find them by
- scanning source->shdr_info[] and looking for sections with idx == 0.
- */
-
- if (ADJUST_ELF && source->shdr_info != NULL) {
- /* Walk over the shdr_info[] array to see if we've removed any
- relocation sections. prelink() those sections as well.
- */
- int i;
- for (i = 0; i < source->shnum; i++) {
- shdr_info_t *info = source->shdr_info + i;
- if (info->idx == 0 &&
- (info->shdr.sh_type == SHT_REL ||
- info->shdr.sh_type == SHT_RELA)) {
-
- Elf_Data *data = elf_getdata(info->scn, NULL);
- ASSERT(data->d_size == 0);
- data->d_size = info->old_shdr.sh_size;
-
- INFO("\n\tIterating relocation section [%s], which was "
- "discarded (size %d, entry size %lld).\n",
- info->name,
- data->d_size,
- info->old_shdr.sh_entsize);
-
- num_relocations +=
- do_prelink(source,
- data, info->old_shdr.sh_entsize,
- NULL, /* the section was fully handled */
- locals_only, dry_run,
- lib_lookup_dirs, num_lib_lookup_dirs,
- default_libs, num_default_libs,
- num_unfinished_relocs);
-
- data->d_size = 0;
- }
- }
- }
- return num_relocations;
-}
-
-static char * find_file(const char *libname,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs) {
- if (libname[0] == '/') {
- /* This is an absolute path name--just return it. */
- /* INFO("ABSOLUTE PATH: [%s].\n", libname); */
- return strdup(libname);
- } else {
- /* First try the working directory. */
- int fd;
- if ((fd = open(libname, O_RDONLY)) > 0) {
- close(fd);
- /* INFO("FOUND IN CURRENT DIR: [%s].\n", libname); */
- return strdup(libname);
- } else {
- /* Iterate over all library paths. For each path, append the file
- name and see if there is a file at that place. If that fails,
- bail out. */
-
- char *name;
- while (num_lib_lookup_dirs--) {
- size_t lib_len = strlen(*lib_lookup_dirs);
- /* one extra character for the slash, and another for the
- terminating NULL. */
- name = (char *)MALLOC(lib_len + strlen(libname) + 2);
- strcpy(name, *lib_lookup_dirs);
- name[lib_len] = '/';
- strcpy(name + lib_len + 1, libname);
- if ((fd = open(name, O_RDONLY)) > 0) {
- close(fd);
- /* INFO("FOUND: [%s] in [%s].\n", libname, name); */
- return name;
- }
- INFO("NOT FOUND: [%s] in [%s].\n", libname, name);
- free(name);
- }
- }
- }
- return NULL;
-}
-
-static void adjust_dynamic_segment_entry_size(source_t *source,
- dt_rel_info_t *dyn)
-{
- /* Update the size entry in the DT_DYNAMIC segment. */
- GElf_Dyn *dyn_entry, dyn_entry_mem;
- dyn_entry = gelf_getdyn(source->dynamic.data,
- dyn->sz_idx,
- &dyn_entry_mem);
- FAILIF_LIBELF(NULL == dyn_entry, gelf_getdyn);
- /* If we are calling this function to adjust the size of the dynamic entry,
- then there should be some unfinished relocations remaining. If there
- are none, then we should remove the entry from the dynamic section
- altogether.
- */
- ASSERT(dyn->num_unfinished_relocs);
-
- size_t relsize = gelf_fsize(source->elf,
- ELF_T_REL,
- 1,
- source->elf_hdr.e_version);
-
- if (unlikely(verbose_flag)) {
- char buf[64];
- INFO("Updating entry %d: [%-10s], %08llx --> %08x\n",
- dyn->sz_idx,
- ebl_dynamic_tag_name (source->ebl, dyn_entry->d_tag,
- buf, sizeof (buf)),
- dyn_entry->d_un.d_val,
- dyn->num_unfinished_relocs * relsize);
- }
-
- dyn_entry->d_un.d_val = dyn->num_unfinished_relocs * relsize;
-
- FAILIF_LIBELF(!gelf_update_dyn(source->dynamic.data,
- dyn->sz_idx,
- dyn_entry),
- gelf_update_dyn);
-}
-
-static void adjust_dynamic_segment_entries(source_t *source)
-{
- /* This function many remove entries from the dynamic segment, but it won't
- resize the relevant section. It'll just fill the remainted with empty
- DT entries.
-
- FIXME: This is not guaranteed right now. If a dynamic segment does not
- end with null DT entries, I think this will break.
- */
- FAILIF(source->rel.processed,
- "More than one section matches DT_REL entry in dynamic segment!\n");
- FAILIF(source->jmprel.processed,
- "More than one section matches DT_JMPREL entry in "
- "dynamic segment!\n");
- source->rel.processed =
- source->jmprel.processed = 1;
-
- if (source->rel.num_unfinished_relocs > 0)
- adjust_dynamic_segment_entry_size(source, &source->rel);
-
- if (source->jmprel.num_unfinished_relocs > 0)
- adjust_dynamic_segment_entry_size(source, &source->jmprel);
-
- /* If at least one of the entries is empty, then we need to remove it. We
- have already adjusted the size of the other.
- */
- if (source->rel.num_unfinished_relocs == 0 ||
- source->jmprel.num_unfinished_relocs == 0)
- {
- /* We need to delete the DT_REL/DT_RELSZ and DT_PLTREL/DT_PLTRELSZ
- entries from the dynamic segment. */
-
- GElf_Dyn *dyn_entry, dyn_entry_mem;
- size_t dynidx, updateidx;
-
- size_t numdyn =
- source->dynamic.shdr.sh_size /
- source->dynamic.shdr.sh_entsize;
-
- for (updateidx = dynidx = 0; dynidx < numdyn; dynidx++)
- {
- dyn_entry = gelf_getdyn(source->dynamic.data,
- dynidx,
- &dyn_entry_mem);
- FAILIF_LIBELF(NULL == dyn_entry, gelf_getdyn);
- if ((source->rel.num_unfinished_relocs == 0 &&
- (dynidx == source->rel.idx ||
- dynidx == source->rel.sz_idx)) ||
- (source->jmprel.num_unfinished_relocs == 0 &&
- (dynidx == source->jmprel.idx ||
- dynidx == source->jmprel.sz_idx)))
- {
- if (unlikely(verbose_flag)) {
- char buf[64];
- INFO("\t(!)\tRemoving entry %02d: [%-10s], %08llx\n",
- dynidx,
- ebl_dynamic_tag_name (source->ebl, dyn_entry->d_tag,
- buf, sizeof (buf)),
- dyn_entry->d_un.d_val);
- }
- continue;
- }
-
- if (unlikely(verbose_flag)) {
- char buf[64];
- INFO("\t\tKeeping entry %02d: [%-10s], %08llx\n",
- dynidx,
- ebl_dynamic_tag_name (source->ebl, dyn_entry->d_tag,
- buf, sizeof (buf)),
- dyn_entry->d_un.d_val);
- }
-
- gelf_update_dyn(source->dynamic.data,
- updateidx,
- &dyn_entry_mem);
- updateidx++;
- }
- }
-} /* adjust_dynamic_segment_entries */
-
-static bool adjust_dynamic_segment_for(source_t *source,
- dt_rel_info_t *dyn,
- bool adjust_section_size_only)
-{
- bool dropped_sections = false;
-
- /* Go over the sections that belong to this dynamic range. */
- dyn->num_unfinished_relocs = 0;
- if (dyn->sections) {
- int num_scns, idx;
- range_t *scns = get_sorted_ranges(dyn->sections, &num_scns);
-
- INFO("\tdynamic range %s:[%lld, %lld) contains %d sections.\n",
- source->name,
- dyn->addr,
- dyn->addr + dyn->size,
- num_scns);
-
- ASSERT(scns);
- int next_idx = 0, next_rel_off = 0;
- /* The total number of unfinished relocations for this dynamic
- * entry. */
- section_info_t *next = (section_info_t *)scns[next_idx].user;
- section_info_t *first = next;
- ASSERT(first);
- for (idx = 0; idx < num_scns; idx++) {
- section_info_t *reloc_scn = (section_info_t *)scns[idx].user;
- size_t rel_scn_idx = reloc_scn - source->relocation_sections;
- ASSERT(rel_scn_idx < (size_t)source->num_relocation_sections);
- unfinished_relocation_t *unfinished =
- &source->unfinished[rel_scn_idx];
- int unf_idx;
-
- ASSERT(reloc_scn->info == NULL ||
- reloc_scn->shdr.sh_name ==
- reloc_scn->info->old_shdr.sh_name);
- const char *sname =
- elf_strptr(source->oldelf,
- source->shstrndx,
- reloc_scn->shdr.sh_name);
-
- INFO("\tsection [%s] contains %d unfinished relocs.\n",
- sname,
- unfinished->num_rels);
-
- for (unf_idx = 0; unf_idx < unfinished->num_rels; unf_idx++)
- {
- /* There are unfinished relocations. Copy them forward to the
- lowest section we can. */
-
- while (next_rel_off ==
- (int)(next->shdr.sh_size/next->shdr.sh_entsize))
- {
- INFO("\tsection [%s] has filled up with %d unfinished "
- "relocs.\n",
- sname,
- next_rel_off);
-
- next_idx++;
- ASSERT(next_idx <= idx);
- next = (section_info_t *)scns[next_idx].user;
- next_rel_off = 0;
- }
-
- if (!adjust_section_size_only) {
- INFO("\t\tmoving unfinished relocation %2d to [%s:%d]\n",
- unf_idx,
- sname,
- next_rel_off);
- FAILIF_LIBELF(0 ==
- gelf_update_rel(next->data,
- next_rel_off,
- &unfinished->rels[unf_idx]),
- gelf_update_rel);
- }
-
- next_rel_off++;
- dyn->num_unfinished_relocs++;
- }
- } /* for */
-
- /* Set the size of the last section, and mark all subsequent
- sections for removal. At this point, next is the section
- to which we last wrote data, next_rel_off is the offset before
- which we wrote the last relocation, and so next_rel_off *
- relsize is the new size of the section.
- */
-
- bool adjust_file = ADJUST_ELF && source->elf_hdr.e_type != ET_EXEC;
- if (adjust_file && !source->dry_run)
- {
- size_t relsize = gelf_fsize(source->elf,
- ELF_T_REL,
- 1,
- source->elf_hdr.e_version);
-
- ASSERT(next->info == NULL ||
- next->shdr.sh_name == next->info->old_shdr.sh_name);
- const char *sname =
- elf_strptr(source->oldelf,
- source->shstrndx,
- next->shdr.sh_name);
-
- INFO("\tsection [%s] (index %d) has %d unfinished relocs, "
- "changing its size to %ld bytes (from %ld bytes).\n",
- sname,
- elf_ndxscn(next->scn),
- next_rel_off,
- (long)(next_rel_off * relsize),
- (long)(next->shdr.sh_size));
-
- /* source->shdr_info[] must be allocated prior to calling this
- function. This is in fact done in process_file(), by calling
- setup_shdr_info() just before we call adjust_dynamic_segment().
- */
- ASSERT(source->shdr_info != NULL);
-
- /* We do not update the data field of shdr_info[], because it does
- not exist yet (with ADJUST_ELF != 0). We create the new section
- and section data after the first call to prelink(). For now, we
- save the results of our analysis by modifying the sh_size field
- of the section header. When we create the new sections' data,
- we set the size of the data from the sh_size fields of the
- section headers.
-
- NOTE: The assertion applies only to the first call of
- adjust_dynamic_segment (which calls this function). By
- the second call, we've already created the data for the
- new sections. The only sections for which we haven't
- created data are the relocation sections we are removing.
- */
-#ifdef DEBUG
- ASSERT((!adjust_section_size_only &&
- (source->shdr_info[elf_ndxscn(next->scn)].idx > 0)) ||
- source->shdr_info[elf_ndxscn(next->scn)].data == NULL);
-#endif
-
- //FIXME: what else do we need to do here? Do we need to update
- // another copy of the shdr so that it's picked up when we
- // commit the file?
- next->shdr.sh_size = next_rel_off * relsize;
- source->shdr_info[elf_ndxscn(next->scn)].shdr.sh_size =
- next->shdr.sh_size;
- if (next_rel_off * relsize == 0) {
-#ifdef REMOVE_HANDLED_SECTIONS
- INFO("\tsection [%s] (index %d) is now empty, marking for "
- "removal.\n",
- sname,
- elf_ndxscn(next->scn));
- source->shdr_info[elf_ndxscn(next->scn)].idx = 0;
- dropped_sections = true;
-#endif
- }
-
- while (++next_idx < num_scns) {
- next = (section_info_t *)scns[next_idx].user;
-#ifdef REMOVE_HANDLED_SECTIONS
- ASSERT(next->info == NULL ||
- next->shdr.sh_name == next->info->old_shdr.sh_name);
- const char *sname =
- elf_strptr(source->oldelf,
- source->shstrndx,
- next->shdr.sh_name);
- INFO("\tsection [%s] (index %d) is now empty, marking for "
- "removal.\n",
- sname,
- elf_ndxscn(next->scn));
- /* mark for removal */
- source->shdr_info[elf_ndxscn(next->scn)].idx = 0;
- dropped_sections = true;
-#endif
- }
- }
-
- } /* if (dyn->sections) */
- else {
- /* The dynamic entry won't have any sections when it itself doesn't
- exist. This could happen when we remove all relocation sections
- from a dynamic entry because we have managed to handle all
- relocations in them.
- */
- INFO("\tNo section for dynamic entry!\n");
- }
-
- return dropped_sections;
-}
-
-static bool adjust_dynamic_segment(source_t *source,
- bool adjust_section_size_only)
-{
- bool dropped_section;
- INFO("Adjusting dynamic segment%s.\n",
- (adjust_section_size_only ? " (section sizes only)" : ""));
- INFO("\tadjusting dynamic segment REL.\n");
- dropped_section =
- adjust_dynamic_segment_for(source, &source->rel,
- adjust_section_size_only);
- INFO("\tadjusting dynamic segment JMPREL.\n");
- dropped_section =
- adjust_dynamic_segment_for(source, &source->jmprel,
- adjust_section_size_only) ||
- dropped_section;
- if (!adjust_section_size_only)
- adjust_dynamic_segment_entries(source);
- return dropped_section;
-}
-
-static void match_relocation_sections_to_dynamic_ranges(source_t *source)
-{
- /* We've gathered all the DT_DYNAMIC entries; now we need to figure out
- which relocation sections fit in which range as described by the
- entries.
- */
-
- int relidx;
- for (relidx = 0; relidx < source->num_relocation_sections; relidx++) {
- section_info_t *reloc_scn = &source->relocation_sections[relidx];
-
- int index = elf_ndxscn(reloc_scn->scn);
-
- ASSERT(reloc_scn->info == NULL ||
- reloc_scn->shdr.sh_name == reloc_scn->info->old_shdr.sh_name);
- const char *sname =
- elf_strptr(source->oldelf,
- source->shstrndx,
- reloc_scn->shdr.sh_name);
-
- INFO("Checking section [%s], index %d, for match to dynamic ranges\n",
- sname, index);
- if (source->shdr_info == NULL || reloc_scn->info->idx > 0) {
- if (source->rel.addr &&
- source->rel.addr <= reloc_scn->shdr.sh_addr &&
- reloc_scn->shdr.sh_addr < source->rel.addr + source->rel.size)
- {
- /* The entire section must fit in the dynamic range. */
- if((reloc_scn->shdr.sh_addr + reloc_scn->shdr.sh_size) >
- (source->rel.addr + source->rel.size))
- {
- PRINT("WARNING: In [%s], section %s:[%lld,%lld) "
- "is not fully contained in dynamic range "
- "[%lld,%lld)!\n",
- source->name,
- sname,
- reloc_scn->shdr.sh_addr,
- reloc_scn->shdr.sh_addr +
- reloc_scn->shdr.sh_size,
- source->rel.addr,
- source->rel.addr + source->rel.size);
- }
-
- if (NULL == source->rel.sections) {
- source->rel.sections = init_range_list();
- ASSERT(source->rel.sections);
- }
- add_unique_range_nosort(source->rel.sections,
- reloc_scn->shdr.sh_addr,
- reloc_scn->shdr.sh_size,
- reloc_scn,
- NULL,
- NULL);
- INFO("\tSection [%s] matches dynamic range REL.\n",
- sname);
- }
- else if (source->jmprel.addr &&
- source->jmprel.addr <= reloc_scn->shdr.sh_addr &&
- reloc_scn->shdr.sh_addr <= source->jmprel.addr +
- source->jmprel.size)
- {
- if((reloc_scn->shdr.sh_addr + reloc_scn->shdr.sh_size) >
- (source->jmprel.addr + source->jmprel.size))
- {
- PRINT("WARNING: In [%s], section %s:[%lld,%lld) "
- "is not fully "
- "contained in dynamic range [%lld,%lld)!\n",
- source->name,
- sname,
- reloc_scn->shdr.sh_addr,
- reloc_scn->shdr.sh_addr +
- reloc_scn->shdr.sh_size,
- source->jmprel.addr,
- source->jmprel.addr + source->jmprel.size);
- }
-
- if (NULL == source->jmprel.sections) {
- source->jmprel.sections = init_range_list();
- ASSERT(source->jmprel.sections);
- }
- add_unique_range_nosort(source->jmprel.sections,
- reloc_scn->shdr.sh_addr,
- reloc_scn->shdr.sh_size,
- reloc_scn,
- NULL,
- NULL);
- INFO("\tSection [%s] matches dynamic range JMPREL.\n",
- sname);
- }
- else
- PRINT("WARNING: Relocation section [%s:%s] does not match "
- "any DT_ entry.\n",
- source->name,
- sname);
- }
- else {
- INFO("Section [%s] was removed, not matching it to dynamic "
- "ranges.\n",
- sname);
- }
- } /* for ... */
-
- if (source->rel.sections) sort_ranges(source->rel.sections);
- if (source->jmprel.sections) sort_ranges(source->jmprel.sections);
-}
-
-static void drop_sections(source_t *source)
-{
- INFO("We are dropping some sections from [%s]--creating section entries "
- "only for remaining sections.\n",
- source->name);
- /* Renumber the sections. The numbers for the sections after those we are
- dropping will be shifted back by the number of dropped sections. */
- int cnt, idx;
- for (cnt = idx = 1; cnt < source->shnum; ++cnt) {
- if (source->shdr_info[cnt].idx > 0) {
- source->shdr_info[cnt].idx = idx++;
-
- /* Create a new section. */
- FAILIF_LIBELF((source->shdr_info[cnt].newscn =
- elf_newscn(source->elf)) == NULL, elf_newscn);
- ASSERT(elf_ndxscn (source->shdr_info[cnt].newscn) ==
- source->shdr_info[cnt].idx);
-
- /* Copy the section data */
- Elf_Data *olddata =
- elf_getdata(source->shdr_info[cnt].scn, // old section
- NULL);
- FAILIF_LIBELF(NULL == olddata, elf_getdata);
- Elf_Data *data =
- elf_newdata(source->shdr_info[cnt].newscn);
- FAILIF_LIBELF(NULL == data, elf_newdata);
- *data = *olddata;
-#if COPY_SECTION_DATA_BUFFER
- if (olddata->d_buf != NULL) {
- data->d_buf = MALLOC(data->d_size);
- memcpy(data->d_buf, olddata->d_buf, olddata->d_size);
- }
-#endif
- source->shdr_info[cnt].data = data;
-
- if (data->d_size !=
- source->shdr_info[cnt].shdr.sh_size) {
- INFO("Trimming new-section data from %d to %lld bytes "
- "(as calculated by adjust_dynamic_segment()).\n",
- data->d_size,
- source->shdr_info[cnt].shdr.sh_size);
- data->d_size =
- source->shdr_info[cnt].shdr.sh_size;
- }
-
- INFO("\tsection [%s] (old offset %lld, old size %lld) "
- "will have index %d (was %d), new size %d\n",
- source->shdr_info[cnt].name,
- source->shdr_info[cnt].old_shdr.sh_offset,
- source->shdr_info[cnt].old_shdr.sh_size,
- source->shdr_info[cnt].idx,
- elf_ndxscn(source->shdr_info[cnt].scn),
- data->d_size);
- } else {
- INFO("\tIgnoring section [%s] (offset %lld, size %lld, index %d), "
- "it will be discarded.\n",
- source->shdr_info[cnt].name,
- source->shdr_info[cnt].shdr.sh_offset,
- source->shdr_info[cnt].shdr.sh_size,
- elf_ndxscn(source->shdr_info[cnt].scn));
- }
-
- /* NOTE: We mark use_old_shdr_for_relocation_calculations even for the
- sections we are removing. adjust_elf has an assertion that makes
- sure that if the values for the size of a section according to its
- header and its data structure differ, then we are using explicitly
- the old section header for calculations, and that the section in
- question is a relocation section.
- */
- source->shdr_info[cnt].use_old_shdr_for_relocation_calculations = true;
- } /* for */
-}
-
-static source_t* process_file(const char *filename,
- const char *output, int is_file,
- void (*report_library_size_in_memory)(
- const char *name, off_t fsize),
- unsigned (*get_next_link_address)(
- const char *name),
- int locals_only,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs,
- char **default_libs,
- int num_default_libs,
- int dry_run,
- int *total_num_handled_relocs,
- int *total_num_unhandled_relocs)
-{
- /* Look up the file in the list of already-handles files, which are
- represented by source_t structs. If we do not find the file, then we
- haven't prelinked it yet. If we find it, then we have, so we do
- nothing. Keep in mind that apriori operates on an entire collection
- of files, and if application A used library L, and so does application
- B, if we process A first, then by the time we get to B we will have
- prelinked L already; that's why we check first to see if a library has
- been prelinked.
- */
- source_t *source =
- find_source(filename, lib_lookup_dirs, num_lib_lookup_dirs);
- if (NULL == source) {
- /* If we could not find the source, then it hasn't been processed yet,
- so we go ahead and process it! */
- INFO("Processing [%s].\n", filename);
- char *full = find_file(filename, lib_lookup_dirs, num_lib_lookup_dirs);
- FAILIF(NULL == full,
- "Could not find [%s] in the current directory or in any of "
- "the search paths!\n", filename);
-
- unsigned base = get_next_link_address(full);
-
- source = init_source(full, output, is_file, base, dry_run);
-
- if (source == NULL) {
- INFO("File [%s] is a static executable.\n", filename);
- return NULL;
- }
- ASSERT(source->dynamic.scn != NULL);
-
- /* We need to increment the next prelink address only when the file we
- are currently handing is a shared library. Executables do not need
- to be prelinked at a different address, they are always at address
- zero.
-
- Also, if we are prelinking locals only, then we are handling a
- single file per invokation of apriori, so there is no need to
- increment the prelink address unless there is a global prelink map,
- in which case we do need to check to see if the library isn't
- running into its neighbouts in the prelink map.
- */
- if (source->oldelf_hdr.e_type != ET_EXEC &&
- (!locals_only ||
- report_library_size_in_memory ==
- pm_report_library_size_in_memory)) {
- /* This sets the next link address only if an increment was not
- specified by the user. If an address increment was specified,
- then we just check to make sure that the file size is less than
- the increment.
-
- NOTE: The file size is the absolute highest number of bytes that
- the file may occupy in memory, if the entire file is loaded, but
- this is almost next the case. A file will often have sections
- which are not loaded, which could add a lot of size. That's why
- we start off with the file size and then subtract the size of
- the biggest sections that will not get loaded, which are the
- varios DWARF sections, all of which of which are named starting
- with ".debug_".
-
- We could do better than this (by caculating exactly how many
- bytes from that file will be loaded), but that's an overkill.
- Unless the prelink-address increment becomes too small, the file
- size after subtracting the sizes of the DWARF section will be a
- good-enough upper bound.
- */
-
- unsigned long fsize = source->elf_file_info.st_size;
- INFO("Calculating loadable file size for next link address. "
- "Starting with %ld.\n", fsize);
- if (true) {
- Elf_Scn *scn = NULL;
- GElf_Shdr shdr_mem, *shdr;
- const char *scn_name;
- while ((scn = elf_nextscn (source->oldelf, scn)) != NULL) {
- shdr = gelf_getshdr(scn, &shdr_mem);
- FAILIF_LIBELF(NULL == shdr, gelf_getshdr);
- scn_name = elf_strptr (source->oldelf,
- source->shstrndx, shdr->sh_name);
- ASSERT(scn_name != NULL);
-
- if (!(shdr->sh_flags & SHF_ALLOC)) {
- INFO("\tDecrementing by %lld on account of section "
- "[%s].\n",
- shdr->sh_size,
- scn_name);
- fsize -= shdr->sh_size;
- }
- }
- }
- INFO("Done calculating loadable file size for next link address: "
- "Final value is %ld.\n", fsize);
- report_library_size_in_memory(source->name, fsize);
- }
-
- /* Identify the dynamic segment and process it. Specifically, we find
- out what dependencies, if any, this file has. Whenever we encounter
- such a dependency, we process it recursively; we find out where the
- various relocation information sections are stored. */
-
- size_t dynidx;
- GElf_Dyn *dyn, dyn_mem;
- size_t numdyn =
- source->dynamic.shdr.sh_size /
- source->dynamic.shdr.sh_entsize;
- ASSERT(source->dynamic.shdr.sh_size == source->dynamic.data->d_size);
-
- source->rel.idx = source->rel.sz_idx = -1;
- source->jmprel.idx = source->jmprel.sz_idx = -1;
-
- for (dynidx = 0; dynidx < numdyn; dynidx++) {
- dyn = gelf_getdyn (source->dynamic.data,
- dynidx,
- &dyn_mem);
- FAILIF_LIBELF(NULL == dyn, gelf_getdyn);
- /* When we are processing only the local relocations in a file,
- we don't need to handle any of the dependencies. It won't
- hurt if we do, but we will be doing unnecessary work.
- */
- switch (dyn->d_tag)
- {
- case DT_NEEDED:
- if (!locals_only) {
- /* Process the needed library recursively.
- */
- const char *dep_lib =
-#if ELF_STRPTR_IS_BROKEN
- (((char *)elf_getdata(
- elf_getscn(source->elf,
- source->dynamic.shdr.sh_link),
- NULL)->d_buf) + dyn->d_un.d_val);
-#else
- elf_strptr (source->elf,
- source->dynamic.shdr.sh_link,
- dyn->d_un.d_val);
-#endif
- ASSERT(dep_lib != NULL);
- INFO("[%s] depends on [%s].\n", filename, dep_lib);
- ASSERT(output == NULL || is_file == 0);
- source_t *dep = process_file(dep_lib,
- output, is_file,
- report_library_size_in_memory,
- get_next_link_address,
- locals_only,
- lib_lookup_dirs,
- num_lib_lookup_dirs,
- default_libs,
- num_default_libs,
- dry_run,
- total_num_handled_relocs,
- total_num_unhandled_relocs);
-
- /* Add the library to the dependency list. */
- if (source->num_lib_deps == source->lib_deps_size) {
- source->lib_deps_size += 10;
- source->lib_deps = REALLOC(source->lib_deps,
- source->lib_deps_size *
- sizeof(source_t *));
- }
- source->lib_deps[source->num_lib_deps++] = dep;
- }
- break;
- case DT_JMPREL:
- source->jmprel.idx = dynidx;
- source->jmprel.addr = dyn->d_un.d_ptr;
- break;
- case DT_PLTRELSZ:
- source->jmprel.sz_idx = dynidx;
- source->jmprel.size = dyn->d_un.d_val;
- break;
- case DT_REL:
- source->rel.idx = dynidx;
- source->rel.addr = dyn->d_un.d_ptr;
- break;
- case DT_RELSZ:
- source->rel.sz_idx = dynidx;
- source->rel.size = dyn->d_un.d_val;
- break;
- case DT_RELA:
- case DT_RELASZ:
- FAILIF(1, "Can't handle DT_RELA and DT_RELASZ entries!\n");
- break;
- } /* switch */
- } /* for each dynamic entry... */
-
- INFO("Handling [%s].\n", filename);
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- if (!source->prelinked)
-#endif
- {
- /* When ADJUST_ELF is defined, this call to prelink is a dry run
- intended to calculate the number of relocations that could not
- be handled. This, in turn, allows us to calculate the amount by
- which we can shrink the various relocation sections before we
- call adjust_elf. After we've adjusted the sections, we will
- call prelink() one more time to do the actual work.
-
- NOTE: Even when ADJUST_ELF != 0, we cannot adjust an ELF file
- that is an executabe, because an executable is not PIC.
- */
-
- int num_unfinished_relocs = 0;
- bool adjust_file = ADJUST_ELF && source->elf_hdr.e_type != ET_EXEC;
- INFO("\n\n\tPRELINKING %s\n\n",
- adjust_file ?
- "(CALCULATE NUMBER OF HANDLED RELOCATIONS)" :
- "(ACTUAL)");
- int num_relocs = prelink(source, locals_only,
- adjust_file || dry_run,
- lib_lookup_dirs, num_lib_lookup_dirs,
- default_libs, num_default_libs,
- &num_unfinished_relocs);
- INFO("[%s]: (calculate changes) handled %d, could not handle %d "
- "relocations.\n",
- source->name,
- num_relocs,
- num_unfinished_relocs);
-
- if (adjust_file && !dry_run)
- {
- /* Find out the new section sizes of the relocation sections,
- but do not move any relocations around, because adjust_elf
- needs to know about all relocations in order to adjust the
- file correctly.
- */
- match_relocation_sections_to_dynamic_ranges(source);
-
- /* We haven't set up source->shdr_info[] yet, so we do it now.
-
- NOTE: setup_shdr_info() depends only on source->oldelf, not
- on source->elf! source->elf is not even defined yet. We
- initialize source->shdr_info[] based on the section
- information of the unmodified ELF file, and then make our
- modifications in the call to adjust_dynamic_segment() based
- on this information. adjust_dynamic_segment() will
- rearrange the unhandled relocations in the beginning of
- their relocation sections, and adjust the size of those
- relocation sections. In the case when a relocation section
- is completely handled, adjust_dynamic_segment() will mark it
- for removal by function adjust_elf.
- */
-
- ASSERT(source->elf == source->oldelf);
- ASSERT(source->shdr_info == NULL);
- setup_shdr_info(source);
- ASSERT(source->shdr_info != NULL);
-
- INFO("\n\n\tADJUSTING DYNAMIC SEGMENT "
- "(CALCULATE CHANGES)\n\n");
- bool drop_some_sections = adjust_dynamic_segment(source, true);
-
- /* Reopen the elf file! Note that we are not doing a dry run
- (the if statement above makes sure of that.)
-
- NOTE: We call init_elf() after we called
- adjust_dynamic_segment() in order to have
- adjust_dynamic_segment() refer to source->oldelf when
- it refers to source->elf. Since
- adjust_dynamic_segment doesn't actually write to the
- ELF file, this is OK. adjust_dynamic_segment()
- updates the sh_size fields of saved section headers
- and optionally marks sections for removal.
-
- Having adjust_dynamic_segment() refer to
- source->oldelf means that we'll have access to
- section-name strings so we can print them out in our
- logging and debug output.
- */
- source->elf = init_elf(source, false);
-
- /* This is the same code as in init_source() after the call to
- * init_elf(). */
- ASSERT(source->elf != source->oldelf);
- ebl_closebackend(source->ebl);
- source->ebl = ebl_openbackend (source->elf);
- FAILIF_LIBELF(NULL == source->ebl, ebl_openbackend);
-#ifdef ARM_SPECIFIC_HACKS
- FAILIF_LIBELF(0 != arm_init(source->elf,
- source->elf_hdr.e_machine,
- source->ebl, sizeof(Ebl)),
- arm_init);
-#endif/*ARM_SPECIFIC_HACKS*/
-
- if (drop_some_sections)
- drop_sections(source);
- else {
- INFO("All sections remain in [%s]--we are changing at "
- "most section sizes.\n", source->name);
- create_elf_sections(source, NULL);
- int cnt, idx;
- for (cnt = idx = 1; cnt < source->shnum; ++cnt) {
- Elf_Data *data = elf_getdata(
- source->shdr_info[cnt].newscn, // new section
- NULL);
- if (data->d_size !=
- source->shdr_info[cnt].shdr.sh_size) {
- INFO("Trimming new-section data from %d to %lld "
- "bytes (as calculated by "
- "adjust_dynamic_segment()).\n",
- data->d_size,
- source->shdr_info[cnt].shdr.sh_size);
- data->d_size = source->shdr_info[cnt].shdr.sh_size;
- }
- }
- }
-
- /* Shrink it! */
- INFO("\n\n\tADJUSTING ELF\n\n");
- adjust_elf(
- source->oldelf, source->name,
- source->elf, source->name,
- source->ebl,
- &source->old_ehdr_mem,
- NULL, 0, // no symbol filter
- source->shdr_info, // information on how to adjust the ELF
- source->shnum, // length of source->shdr_info[]
- source->phdr_info, // program-header info
- source->shnum, // irrelevant--we're not rebuilding shstrtab
- source->shnum, // number of sections in file
- source->shstrndx, // index of shstrtab (both in
- // shdr_info[] and as a section index)
- NULL, // irrelevant, since we are not rebuilding shstrtab
- drop_some_sections, // some sections are being dropped
- elf_ndxscn(source->dynamic.scn), // index of .dynamic
- elf_ndxscn(source->symtab.scn), // index of .dynsym
- 1, // allow shady business
- &source->shstrtab_data,
- true,
- false); // do not rebuild shstrtab
-
- INFO("\n\n\tREINITIALIZING STRUCTURES "
- "(TO CONTAIN ADJUSTMENTS)\n\n");
- reinit_source(source);
-
- INFO("\n\n\tPRELINKING (ACTUAL)\n\n");
-#ifdef DEBUG
- int old_num_unfinished_relocs = num_unfinished_relocs;
-#endif
- num_unfinished_relocs = 0;
-#ifdef DEBUG
- int num_relocs_take_two =
-#endif
- prelink(source, locals_only,
- false, /* not a dry run */
- lib_lookup_dirs, num_lib_lookup_dirs,
- default_libs, num_default_libs,
- &num_unfinished_relocs);
-
- /* The numbers for the total number of relocations and the
- number of unhandled relocations between the first and second
- invokationof prelink() must be the same! The first time we
- ran prelink() just to calculate the numbers so that we could
- calculate the adjustments to pass to adjust_elf, and the
- second time we actually carry out the prelinking; the
- numbers must stay the same!
- */
- ASSERT(num_relocs == num_relocs_take_two);
- ASSERT(old_num_unfinished_relocs == num_unfinished_relocs);
-
- INFO("[%s]: (actual prelink) handled %d, could not "
- "handle %d relocations.\n",
- source->name,
- num_relocs,
- num_unfinished_relocs);
- } /* if (adjust_elf && !dry_run) */
-
- *total_num_handled_relocs += num_relocs;
- *total_num_unhandled_relocs += num_unfinished_relocs;
-
- if(num_unfinished_relocs != 0 &&
- source->elf_hdr.e_type != ET_EXEC &&
- !locals_only)
- {
- /* One reason you could have unfinished relocations in an
- executable file is if this file used dlopen() and friends.
- We do not adjust relocation entries to those symbols,
- because libdl is a dummy only--the real functions are
- provided for by the dynamic linker itsef.
-
- NOTE FIXME HACK: This is specific to the Android dynamic
- linker, and may not be true in other cases.
- */
- PRINT("WARNING: Expecting to have unhandled relocations only "
- "for executables (%s is not an executable)!\n",
- source->name);
- }
-
- match_relocation_sections_to_dynamic_ranges(source);
-
- /* Now, for each relocation section, check to see if its address
- matches one of the DT_DYNAMIC relocation pointers. If so, then
- if the section has no unhandled relocations, simply set the
- associated DT_DYNAMIC entry's size to zero. If the section does
- have unhandled entries, then lump them all together at the front
- of the respective section and update the size of the respective
- DT_DYNAMIC entry to the new size of the section. A better
- approach would be do delete a relocation section if it has been
- fully relocated and to remove its entry from the DT_DYNAMIC
- array, and for relocation entries that still have some
- relocations in them, we should shrink the section if that won't
- violate relative offsets. This is more work, however, and for
- the speed improvement we expect from a prelinker, just patching
- up DT_DYNAMIC will suffice.
-
- Note: adjust_dynamic_segment() will modify source->shdr_info[]
- to denote any change in a relocation section's size. This
- will be picked up by adjust_elf, which will rearrange the
- file to eliminate the gap created by the decrease in size
- of the relocation section. We do not need to do this, but
- the relocation section could be large, and reduced
- drastically by the prelinking process, so it pays to
- adjust the file.
- */
-
- INFO("\n\n\tADJUSTING DYNAMIC SEGMENT (ACTUAL)\n\n");
- adjust_dynamic_segment(source, false);
- }
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- else INFO("[%s] is already prelinked at 0x%08lx.\n",
- filename,
- source->prelink_base);
-#endif
- } else INFO("[%s] has been processed already.\n", filename);
-
- return source;
-}
-
-void apriori(char **execs, int num_execs,
- char *output,
- void (*report_library_size_in_memory)(
- const char *name, off_t fsize),
- int (*get_next_link_address)(const char *name),
- int locals_only,
- int dry_run,
- char **lib_lookup_dirs, int num_lib_lookup_dirs,
- char **default_libs, int num_default_libs,
- char *mapfile)
-{
- source_t *source; /* for general usage */
- int input_idx;
-
- ASSERT(report_library_size_in_memory != NULL);
- ASSERT(get_next_link_address != NULL);
-
- /* Process and prelink each executable and object file. Function
- process_file() is called for each executable in the loop below.
- It calls itself recursively for each library. We prelink each library
- after prelinking its dependencies. */
- int total_num_handled_relocs = 0, total_num_unhandled_relocs = 0;
- for (input_idx = 0; input_idx < num_execs; input_idx++) {
- INFO("executable: [%s]\n", execs[input_idx]);
- /* Here process_file() is actually processing the top-level
- executable files. */
- process_file(execs[input_idx], output, num_execs == 1,
- report_library_size_in_memory,
- get_next_link_address, /* executables get a link address
- of zero, regardless of this
- value */
- locals_only,
- lib_lookup_dirs, num_lib_lookup_dirs,
- default_libs, num_default_libs,
- dry_run,
- &total_num_handled_relocs,
- &total_num_unhandled_relocs);
- /* if source is NULL, then the respective executable is static */
- /* Mark the source as an executable */
- } /* for each input executable... */
-
- PRINT("Handled %d relocations.\n", total_num_handled_relocs);
- PRINT("Could not handle %d relocations.\n", total_num_unhandled_relocs);
-
- /* We are done! Since the end result of our calculations is a set of
- symbols for each library that other libraries or executables link
- against, we iterate over the set of libraries one last time, and for
- each symbol that is marked as satisfying some dependence, we emit
- a line with the symbol's name to a text file derived from the library's
- name by appending the suffix .syms to it. */
-
- if (mapfile != NULL) {
- const char *mapfile_name = mapfile;
- FILE *fp;
- if (*mapfile == '+') {
- mapfile_name = mapfile + 1;
- INFO("Opening map file %s for append/write.\n",
- mapfile_name);
- fp = fopen(mapfile_name, "a");
- }
- else fp = fopen(mapfile_name, "w");
-
- FAILIF(fp == NULL, "Cannot open file [%s]: %s (%d)!\n",
- mapfile_name,
- strerror(errno),
- errno);
- source = sources;
- while (source) {
- /* If it's a library, print the results. */
- if (source->elf_hdr.e_type == ET_DYN) {
- /* Add to the memory map file. */
- fprintf(fp, "%s 0x%08lx %lld\n",
- basename(source->name),
- source->base,
- source->elf_file_info.st_size);
- }
- source = source->next;
- }
- fclose(fp);
- }
-
- /* Free the resources--you can't do it in the loop above because function
- print_symbol_references() accesses nodes other than the one being
- iterated over.
- */
- source = sources;
- while (source) {
- source_t *old = source;
- source = source->next;
- /* Destroy the evidence. */
- destroy_source(old);
- }
-}
diff --git a/tools/apriori/apriori.h b/tools/apriori/apriori.h
deleted file mode 100644
index 5e396fd..0000000
--- a/tools/apriori/apriori.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef LSD_H
-#define LSD_H
-
-void apriori(char **execs, int num_execs,
- char *output,
- void (*set_next_link_address)(const char *name, off_t fsize),
- int (*get_next_link_address)(const char *name),
- int locals_only,
- int dry_run,
- char **lib_lookup_dirs, int num_lib_lookup_dirs,
- char **default_libs, int num_default_libs,
- char *mapfile);
-
-#endif
diff --git a/tools/apriori/cmdline.c b/tools/apriori/cmdline.c
deleted file mode 100644
index 95f112a..0000000
--- a/tools/apriori/cmdline.c
+++ /dev/null
@@ -1,186 +0,0 @@
-#include <debug.h>
-#include <cmdline.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <ctype.h>
-
-extern char *optarg;
-extern int optind, opterr, optopt;
-
-static struct option long_options[] = {
- {"start-address", required_argument, 0, 's'},
- {"inc-address", required_argument, 0, 'i'},
- {"locals-only", no_argument, 0, 'l'},
- {"quiet", no_argument, 0, 'Q'},
- {"noupdate", no_argument, 0, 'n'},
- {"lookup", required_argument, 0, 'L'},
- {"default", required_argument, 0, 'D'},
- {"verbose", no_argument, 0, 'V'},
- {"help", no_argument, 0, 'h'},
- {"mapfile", required_argument, 0, 'M'},
- {"output", required_argument, 0, 'o'},
- {"prelinkmap", required_argument, 0, 'p'},
- {0, 0, 0, 0},
-};
-
-/* This array must parallel long_options[] */
-static const char *descriptions[] = {
- "start address to prelink libraries to",
- "address increment for each library",
- "prelink local relocations only",
- "suppress informational and non-fatal error messages",
- "do a dry run--calculate the prelink info but do not update any files",
- "provide a directory for library lookup",
- "provide a default library or executable for symbol lookup",
- "print verbose output",
- "print help screen",
- "print a list of prelink addresses to file (prefix filename with + to append instead of overwrite)",
- "specify an output directory (if multiple inputs) or file (is single input)",
- "specify a file with prelink addresses instead of a --start-address/--inc-address combination",
-};
-
-void print_help(const char *name) {
- fprintf(stdout,
- "invokation:\n"
- "\t%s file1 [file2 file3 ...] -Ldir1 [-Ldir2 ...] -saddr -iinc [-Vqn] [-M<logfile>]\n"
- "\t%s -l file [-Vqn] [-M<logfile>]\n"
- "\t%s -h\n\n", name, name, name);
- fprintf(stdout, "options:\n");
- struct option *opt = long_options;
- const char **desc = descriptions;
- while (opt->name) {
- fprintf(stdout, "\t-%c/--%s%s: %s\n",
- opt->val,
- opt->name,
- (opt->has_arg ? " (argument)" : ""),
- *desc);
- opt++;
- desc++;
- }
-}
-
-int get_options(int argc, char **argv,
- int *start_addr,
- int *inc_addr,
- int *locals_only,
- int *quiet,
- int *dry_run,
- char ***dirs,
- int *num_dirs,
- char ***defaults,
- int *num_defaults,
- int *verbose,
- char **mapfile,
- char **output,
- char **prelinkmap) {
- int c;
-
- ASSERT(dry_run); *dry_run = 0;
- ASSERT(quiet); *quiet = 0;
- ASSERT(verbose); *verbose = 0;
- ASSERT(dirs); *dirs = NULL;
- ASSERT(num_dirs); *num_dirs = 0;
- ASSERT(defaults); *defaults = NULL;
- ASSERT(num_defaults); *num_defaults = 0;
- ASSERT(start_addr); *start_addr = -1;
- ASSERT(inc_addr); *inc_addr = -1;
- ASSERT(locals_only); *locals_only = 0;
- ASSERT(mapfile); *mapfile = NULL;
- ASSERT(output); *output = NULL;
- ASSERT(prelinkmap); *prelinkmap = NULL;
- int dirs_size = 0;
- int defaults_size = 0;
-
- while (1) {
- /* getopt_long stores the option index here. */
- int option_index = 0;
-
- c = getopt_long (argc, argv,
- "VhnQlL:D:s:i:M:o:p:",
- long_options,
- &option_index);
- /* Detect the end of the options. */
- if (c == -1) break;
-
- if (isgraph(c)) {
- INFO ("option -%c with value `%s'\n", c, (optarg ?: "(null)"));
- }
-
-#define SET_STRING_OPTION(name) do { \
- ASSERT(optarg); \
- (*name) = strdup(optarg); \
-} while(0)
-
-#define SET_REPEATED_STRING_OPTION(arr, num, size) do { \
- if (*num == size) { \
- size += 10; \
- *arr = (char **)REALLOC(*arr, size * sizeof(char *)); \
- } \
- SET_STRING_OPTION(((*arr) + *num)); \
- (*num)++; \
-} while(0)
-
-#define SET_INT_OPTION(val) do { \
- ASSERT(optarg); \
- if (strlen(optarg) >= 2 && optarg[0] == '0' && optarg[1] == 'x') { \
- FAILIF(1 != sscanf(optarg+2, "%x", val), \
- "Expecting a hexadecimal argument!\n"); \
- } else { \
- FAILIF(1 != sscanf(optarg, "%d", val), \
- "Expecting a decimal argument!\n"); \
- } \
-} while(0)
-
- switch (c) {
- case 0:
- /* If this option set a flag, do nothing else now. */
- if (long_options[option_index].flag != 0)
- break;
- INFO ("option %s", long_options[option_index].name);
- if (optarg)
- INFO (" with arg %s", optarg);
- INFO ("\n");
- break;
- case 'Q': *quiet = 1; break;
- case 'n': *dry_run = 1; break;
- case 'M':
- SET_STRING_OPTION(mapfile);
- break;
- case 'o':
- SET_STRING_OPTION(output);
- break;
- case 'p':
- SET_STRING_OPTION(prelinkmap);
- break;
- case 's':
- SET_INT_OPTION(start_addr);
- break;
- case 'i':
- SET_INT_OPTION(inc_addr);
- break;
- case 'L':
- SET_REPEATED_STRING_OPTION(dirs, num_dirs, dirs_size);
- break;
- case 'D':
- SET_REPEATED_STRING_OPTION(defaults, num_defaults, defaults_size);
- break;
- case 'l': *locals_only = 1; break;
- case 'h': print_help(argv[0]); exit(1); break;
- case 'V': *verbose = 1; break;
- case '?':
- /* getopt_long already printed an error message. */
- break;
-
-#undef SET_STRING_OPTION
-#undef SET_REPEATED_STRING_OPTION
-#undef SET_INT_OPTION
-
- default:
- FAILIF(1, "Unknown option");
- }
- }
-
- return optind;
-}
diff --git a/tools/apriori/cmdline.h b/tools/apriori/cmdline.h
deleted file mode 100644
index 8f7f394..0000000
--- a/tools/apriori/cmdline.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef CMDLINE_H
-#define CMDLINE_H
-
-void print_help(const char *executable_name);
-
-int get_options(int argc, char **argv,
- int *start_addr,
- int *addr_increment,
- int *locals_only,
- int *quiet,
- int *dry_run,
- char ***dirs,
- int *num_dirs,
- char ***defaults,
- int *num_defaults,
- int *verbose,
- char **mapfile,
- char **output,
- char **prelinkmap);
-
-#endif/*CMDLINE_H*/
diff --git a/tools/apriori/common.h b/tools/apriori/common.h
deleted file mode 100644
index f5d9d2e..0000000
--- a/tools/apriori/common.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef COMMON_H
-#define COMMON_H
-
-#include <libelf.h>
-#include <elf.h>
-
-#define unlikely(expr) __builtin_expect (expr, 0)
-#define likely(expr) __builtin_expect (expr, 1)
-
-#define MIN(a,b) ((a)<(b)?(a):(b)) /* no side effects in arguments allowed! */
-
-static inline int is_host_little(void)
-{
- short val = 0x10;
- return ((char *)&val)[0] != 0;
-}
-
-static inline long switch_endianness(long val)
-{
- long newval;
- ((char *)&newval)[3] = ((char *)&val)[0];
- ((char *)&newval)[2] = ((char *)&val)[1];
- ((char *)&newval)[1] = ((char *)&val)[2];
- ((char *)&newval)[0] = ((char *)&val)[3];
- return newval;
-}
-
-#endif/*COMMON_H*/
diff --git a/tools/apriori/debug.c b/tools/apriori/debug.c
deleted file mode 100644
index 263e09f..0000000
--- a/tools/apriori/debug.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <debug.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#define NUM_COLS (32)
-
-int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) {
- int num_nonprintable = 0;
- int i, last;
- char *pchr = (char *)b;
- fputc('\n', s);
- fprintf(s, "%p: ", b);
- for (i = last = 0; i < len; i++) {
- if (!elsize) {
- if (i && !(i % 4)) fprintf(s, " ");
- if (i && !(i % 8)) fprintf(s, " ");
- } else {
- if (i && !(i % elsize)) fprintf(s, " ");
- }
-
- if (i && !(i % NUM_COLS)) {
- while (last < i) {
- if (isprint(pchr[last]))
- fputc(pchr[last], s);
- else {
- fputc('.', s);
- num_nonprintable++;
- }
- last++;
- }
- fprintf(s, " (%d)\n%p: ", i, b);
- }
- fprintf(s, "%02x", (unsigned char)pchr[i]);
- }
- if (i && (i % NUM_COLS)) fputs("\n", s);
- return num_nonprintable;
-}
-
diff --git a/tools/apriori/debug.h b/tools/apriori/debug.h
deleted file mode 100644
index 3996898..0000000
--- a/tools/apriori/debug.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef DEBUG_H
-#define DEBUG_H
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <common.h>
-
-#ifdef DEBUG
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* Debug enabled */
- #define ASSERT(x) do { \
- if (unlikely(!(x))) { \
- fprintf(stderr, \
- "ASSERTION FAILURE %s:%d: [%s]\n", \
- __FILE__, __LINE__, #x); \
- exit(1); \
- } \
-} while(0)
-
-#else
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* No debug */
- #define ASSERT(x) do { } while(0)
-
-#endif/* DEBUG */
-
-#define FAILIF_LIBELF(cond, function) \
- FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
-
-static inline void *MALLOC(unsigned int size) {
- void *m = malloc(size);
- FAILIF(NULL == m, "malloc(%d) failed!\n", size);
- return m;
-}
-
-static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) {
- void *m = calloc(num_entries, entry_size);
- FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
- return m;
-}
-
-static inline void *REALLOC(void *ptr, unsigned int size) {
- void *m = realloc(ptr, size);
- FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
- return m;
-}
-
-static inline void FREE(void *ptr) {
- free(ptr);
-}
-
-static inline void FREEIF(void *ptr) {
- if (ptr) FREE(ptr);
-}
-
-#define PRINT(x...) do { \
- extern int quiet_flag; \
- if(likely(!quiet_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-#define ERROR PRINT
-
-#define INFO(x...) do { \
- extern int verbose_flag; \
- if(unlikely(verbose_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
-int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
-
-#endif/*DEBUG_H*/
diff --git a/tools/apriori/hash.c b/tools/apriori/hash.c
deleted file mode 100644
index 9f1a614..0000000
--- a/tools/apriori/hash.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <hash.h>
-#include <string.h>
-
-int hash_lookup(Elf *elf,
- Elf_Data *hash,
- Elf_Data *symtab,
- Elf_Data *symstr,
- const char *symname) {
- Elf32_Word *hash_data = (Elf32_Word *)hash->d_buf;
- Elf32_Word index;
- Elf32_Word nbuckets = *hash_data++;
- Elf32_Word *buckets = ++hash_data;
- Elf32_Word *chains = hash_data + nbuckets;
-
- index = buckets[elf_hash(symname) % nbuckets];
- while (index != STN_UNDEF &&
- strcmp((char *)symstr->d_buf +
- ((Elf32_Sym *)symtab->d_buf)[index].st_name,
- symname)) {
- index = chains[index];
- }
-
- return index;
-}
diff --git a/tools/apriori/hash.h b/tools/apriori/hash.h
deleted file mode 100644
index af29b9e..0000000
--- a/tools/apriori/hash.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef HASH_H
-#define HASH_H
-
-#include <common.h>
-#include <libelf.h>
-#include <gelf.h>
-
-int hash_lookup(Elf *elf,
- Elf_Data *hash,
- Elf_Data *symtab,
- Elf_Data *symstr,
- const char *symname);
-
-#endif/*HASH_H*/
diff --git a/tools/apriori/main.c b/tools/apriori/main.c
deleted file mode 100644
index 552392a..0000000
--- a/tools/apriori/main.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/* TODO:
- 1. check the ARM EABI version--this works for versions 1 and 2.
- 2. use a more-intelligent approach to finding the symbol table,
- symbol-string table, and the .dynamic section.
- 3. fix the determination of the host and ELF-file endianness
- 4. write the help screen
-*/
-
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <elf.h>
-#include <gelf.h>
-#include <cmdline.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <apriori.h>
-#include <prelinkmap.h>
-
-/* Flag set by --verbose. This variable is global as it is accessed by the
- macro INFO() in multiple compilation unites. */
-int verbose_flag = 0;
-/* Flag set by --quiet. This variable is global as it is accessed by the
- macro PRINT() in multiple compilation unites. */
-int quiet_flag = 0;
-static void print_dynamic_symbols(Elf *elf, const char *symtab_name);
-
-static unsigned s_next_link_addr;
-static off_t s_addr_increment;
-
-static void report_library_size_in_memory(const char *name, off_t fsize)
-{
- ASSERT(s_next_link_addr != -1UL);
- INFO("Setting next link address (current is at 0x%08x):\n",
- s_next_link_addr);
- if (s_addr_increment) {
- FAILIF(s_addr_increment < fsize,
- "Command-line-specified address increment of 0x%08llx (%lld) "
- "less than file [%s]'s size of %lld bytes!\n",
- s_addr_increment, s_addr_increment, name, fsize);
- FAILIF(s_next_link_addr % 4096,
- "User-provided address increment 0x%08lx "
- "is not page-aligned!\n",
- s_addr_increment);
- INFO("\tignoring file size, adjusting by address increment.\n");
- s_next_link_addr += s_addr_increment;
- }
- else {
- INFO("\tuser address increment is zero, adjusting by file size.\n");
- s_next_link_addr += fsize;
- s_next_link_addr &= ~(4096 - 1);
- }
- INFO("\t[%s] file size 0x%08lx\n",
- name,
- fsize);
- INFO("\tnext prelink address: 0x%08x\n", s_next_link_addr);
- ASSERT(!(s_next_link_addr % 4096)); /* New address must be page-aligned */
-}
-
-static unsigned get_next_link_address(const char *name) {
- return s_next_link_addr;
-}
-
-int main(int argc, char **argv) {
- /* Do not issue INFO() statements before you call get_options() to set
- the verbose flag as necessary.
- */
-
- char **lookup_dirs, **default_libs;
- char *mapfile, *output, *prelinkmap;
- int start_addr, inc_addr, locals_only, num_lookup_dirs,
- num_default_libs, dry_run;
- int first = get_options(argc, argv,
- &start_addr, &inc_addr, &locals_only,
- &quiet_flag,
- &dry_run,
- &lookup_dirs, &num_lookup_dirs,
- &default_libs, &num_default_libs,
- &verbose_flag,
- &mapfile,
- &output,
- &prelinkmap);
-
- /* Perform some command-line-parameter checks. */
- int cmdline_err = 0;
- if (first == argc) {
- ERROR("You must specify at least one input ELF file!\n");
- cmdline_err++;
- }
- /* We complain when the user does not specify a start address for
- prelinking when the user does not pass the locals_only switch. The
- reason is that we will have a collection of executables, which we always
- prelink to zero, and shared libraries, which we prelink at the specified
- prelink address. When the user passes the locals_only switch, we do not
- fail if the user does not specify start_addr, because the file to
- prelink may be an executable, and not a shared library. At this moment,
- we do not know what the case is. We find that out when we call function
- init_source().
- */
- if (!locals_only && start_addr == -1) {
- ERROR("You must specify --start-addr!\n");
- cmdline_err++;
- }
- if (start_addr == -1 && inc_addr != -1) {
- ERROR("You must provide a start address if you provide an "
- "address increment!\n");
- cmdline_err++;
- }
- if (prelinkmap != NULL && start_addr != -1) {
- ERROR("You may not provide a prelink-map file (-p) and use -s/-i "
- "at the same time!\n");
- cmdline_err++;
- }
- if (inc_addr == 0) {
- ERROR("You may not specify a link-address increment of zero!\n");
- cmdline_err++;
- }
- if (locals_only) {
- if (argc - first == 1) {
- if (inc_addr != -1) {
- ERROR("You are prelinking a single file; there is no point in "
- "specifying a prelink-address increment!\n");
- /* This is nonfatal error, but paranoia is healthy. */
- cmdline_err++;
- }
- }
- if (lookup_dirs != NULL || default_libs != NULL) {
- ERROR("You are prelinking local relocations only; there is "
- "no point in specifying lookup directories!\n");
- /* This is nonfatal error, but paranoia is healthy. */
- cmdline_err++;
- }
- }
-
- /* If there is an output option, then that must specify a file, if there is
- a single input file, or a directory, if there are multiple input
- files. */
- if (output != NULL) {
- struct stat output_st;
- FAILIF(stat(output, &output_st) < 0 && errno != ENOENT,
- "stat(%s): %s (%d)\n",
- output,
- strerror(errno),
- errno);
-
- if (argc - first == 1) {
- FAILIF(!errno && !S_ISREG(output_st.st_mode),
- "you have a single input file: -o must specify a "
- "file name!\n");
- }
- else {
- FAILIF(errno == ENOENT,
- "you have multiple input files: -o must specify a "
- "directory name, but %s does not exist!\n",
- output);
- FAILIF(!S_ISDIR(output_st.st_mode),
- "you have multiple input files: -o must specify a "
- "directory name, but %s is not a directory!\n",
- output);
- }
- }
-
- if (cmdline_err) {
- print_help(argv[0]);
- FAILIF(1, "There are command-line-option errors.\n");
- }
-
- /* Check to see whether the ELF library is current. */
- FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
-
- if (inc_addr < 0) {
- if (!locals_only)
- PRINT("User has not provided an increment address, "
- "will use library size to calculate successive "
- "prelink addresses.\n");
- inc_addr = 0;
- }
-
- void (*func_report_library_size_in_memory)(const char *name, off_t fsize);
- unsigned (*func_get_next_link_address)(const char *name);
-
- if (prelinkmap != NULL) {
- INFO("Reading prelink addresses from prelink-map file [%s].\n",
- prelinkmap);
- pm_init(prelinkmap);
- func_report_library_size_in_memory = pm_report_library_size_in_memory;
- func_get_next_link_address = pm_get_next_link_address;
- }
- else {
- INFO("Start address: 0x%x\n", start_addr);
- INFO("Increment address: 0x%x\n", inc_addr);
- s_next_link_addr = start_addr;
- s_addr_increment = inc_addr;
- func_report_library_size_in_memory = report_library_size_in_memory;
- func_get_next_link_address = get_next_link_address;
- }
-
- /* Prelink... */
- apriori(&argv[first], argc - first, output,
- func_report_library_size_in_memory, func_get_next_link_address,
- locals_only,
- dry_run,
- lookup_dirs, num_lookup_dirs,
- default_libs, num_default_libs,
- mapfile);
-
- FREEIF(mapfile);
- FREEIF(output);
- if (lookup_dirs) {
- ASSERT(num_lookup_dirs);
- while (num_lookup_dirs--)
- FREE(lookup_dirs[num_lookup_dirs]);
- FREE(lookup_dirs);
- }
- if (default_libs) {
- ASSERT(num_default_libs);
- while (num_default_libs--)
- FREE(default_libs[num_default_libs]);
- FREE(default_libs);
- }
-
- return 0;
-}
diff --git a/tools/apriori/prelink_info.c b/tools/apriori/prelink_info.c
deleted file mode 100644
index da7ca05..0000000
--- a/tools/apriori/prelink_info.c
+++ /dev/null
@@ -1,106 +0,0 @@
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <prelink_info.h>
-#include <debug.h>
-#include <common.h>
-
-typedef struct {
- int32_t mmap_addr;
- char tag[4]; /* 'P', 'R', 'E', ' ' */
-} prelink_info_t __attribute__((packed));
-
-static inline void set_prelink(long *prelink_addr,
- int elf_little,
- prelink_info_t *info)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %d!\n", sizeof(prelink_info_t));
- if (prelink_addr) {
- if (!(elf_little ^ is_host_little())) {
- /* Same endianness */
- *prelink_addr = info->mmap_addr;
- }
- else {
- /* Different endianness */
- *prelink_addr = switch_endianness(info->mmap_addr);
- }
- }
-}
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %d!\n", sizeof(prelink_info_t));
- int fd = open(fname, O_RDONLY);
- FAILIF(fd < 0, "open(%s, O_RDONLY): %s (%d)!\n",
- fname, strerror(errno), errno);
- off_t end = lseek(fd, 0, SEEK_END);
-
- int nr = sizeof(prelink_info_t);
-
- off_t sz = lseek(fd, -nr, SEEK_CUR);
- ASSERT((long)(end - sz) == (long)nr);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- prelink_info_t info;
- int num_read = read(fd, &info, nr);
- FAILIF(num_read < 0,
- "read(%d, &info, sizeof(prelink_info_t)): %s (%d)!\n",
- fd, strerror(errno), errno);
- FAILIF(num_read != sizeof(info),
- "read(%d, &info, sizeof(prelink_info_t)): did not read %d bytes as "
- "expected (read %d)!\n",
- fd, sizeof(info), num_read);
-
- int prelinked = 0;
- if (!strncmp(info.tag, "PRE ", 4)) {
- set_prelink(prelink_addr, elf_little, &info);
- prelinked = 1;
- }
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
- return prelinked;
-}
-
-void setup_prelink_info(const char *fname, int elf_little, long base)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %d!\n", sizeof(prelink_info_t));
- int fd = open(fname, O_WRONLY);
- FAILIF(fd < 0,
- "open(%s, O_WRONLY): %s (%d)\n" ,
- fname, strerror(errno), errno);
- prelink_info_t info;
- off_t sz = lseek(fd, 0, SEEK_END);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- if (!(elf_little ^ is_host_little())) {
- /* Same endianness */
- INFO("Host and ELF file [%s] have same endianness.\n", fname);
- info.mmap_addr = base;
- }
- else {
- /* Different endianness */
- INFO("Host and ELF file [%s] have different endianness.\n", fname);
- info.mmap_addr = switch_endianness(base);
- }
- strncpy(info.tag, "PRE ", 4);
-
- int num_written = write(fd, &info, sizeof(info));
- FAILIF(num_written < 0,
- "write(%d, &info, sizeof(info)): %s (%d)\n",
- fd, strerror(errno), errno);
- FAILIF(sizeof(info) != num_written,
- "Could not write %d bytes (wrote only %d bytes) as expected!\n",
- sizeof(info), num_written);
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
-}
-
-#endif /*SUPPORT_ANDROID_PRELINK_TAGS*/
diff --git a/tools/apriori/prelink_info.h b/tools/apriori/prelink_info.h
deleted file mode 100644
index e2787cb..0000000
--- a/tools/apriori/prelink_info.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef PRELINK_INFO_H
-#define PRELINK_INFO_H
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr);
-void setup_prelink_info(const char *fname, int elf_little, long base);
-
-#endif
-#endif/*PRELINK_INFO_H*/
diff --git a/tools/apriori/prelinkmap.c b/tools/apriori/prelinkmap.c
deleted file mode 100644
index 9fb00e4..0000000
--- a/tools/apriori/prelinkmap.c
+++ /dev/null
@@ -1,170 +0,0 @@
-#include <prelinkmap.h>
-#include <debug.h>
-#include <errno.h>
-#include <string.h>
-#include <libgen.h>
-#include <ctype.h>
-
-typedef struct mapentry mapentry;
-
-#define MAX_ALIASES 10
-
-struct mapentry
-{
- mapentry *next;
- unsigned base;
- char *names[MAX_ALIASES];
- int num_names;
-};
-
-static mapentry *maplist = 0;
-
-/* These values limit the address range within which we prelinked libraries
- reside. The limit is not set in stone, but should be observed in the
- prelink map, or the prelink step will fail.
-*/
-
-#define PRELINK_MIN 0x90000000
-#define PRELINK_MAX 0xBFFFFFFF
-
-void pm_init(const char *file)
-{
- unsigned line = 0;
- char buf[256];
- char *x;
- FILE *fp;
- mapentry *me;
- unsigned last = -1UL;
-
- fp = fopen(file, "r");
- FAILIF(fp == NULL, "Error opening file %s: %s (%d)\n",
- file, strerror(errno), errno);
-
- while(fgets(buf, 256, fp)){
- x = buf;
- line++;
-
- /* eat leading whitespace */
- while(isspace(*x)) x++;
-
- /* comment or blank line? skip! */
- if(*x == '#') continue;
- if(*x == 0) continue;
-
- /* skip name */
- while(*x && !isspace(*x)) x++;
-
- if(*x) {
- *x++ = 0;
- /* skip space before address */
- while(*x && isspace(*x)) x++;
- }
-
- /* no address? complain. */
- if(*x == 0) {
- fprintf(stderr,"warning: %s:%d no base address specified\n",
- file, line);
- continue;
- }
-
- if (isalpha(*x)) {
- /* Assume that this is an alias, and look through the list of
- already-installed libraries.
- */
- me = maplist;
- while(me) {
- /* The strlen() call ignores the newline at the end of x */
- if (!strncmp(me->names[0], x, strlen(me->names[0]))) {
- PRINT("Aliasing library %s to %s at %08x\n",
- buf, x, me->base);
- break;
- }
- me = me->next;
- }
- FAILIF(!me, "Nonexistent alias %s -> %s\n", buf, x);
- }
- else {
- unsigned n = strtoul(x, 0, 16);
- /* Note that this is not the only bounds check. If a library's
- size exceeds its slot as defined in the prelink map, the
- prelinker will exit with an error. See
- pm_report_library_size_in_memory().
- */
- FAILIF((n < PRELINK_MIN) || (n > PRELINK_MAX),
- "%s:%d base 0x%08x out of range.\n",
- file, line, n);
-
- me = malloc(sizeof(mapentry));
- FAILIF(me == NULL, "Out of memory parsing %s\n", file);
-
- FAILIF(last <= n, "The prelink map is not in descending order "
- "at entry %s (%08x)!\n", buf, n);
- last = n;
-
- me->base = n;
- me->next = maplist;
- me->num_names = 0;
- maplist = me;
- }
-
- FAILIF(me->num_names >= MAX_ALIASES,
- "Too many aliases for library %s, maximum is %d.\n",
- me->names[0],
- MAX_ALIASES);
- me->names[me->num_names] = strdup(buf);
- me->num_names++;
- }
-
- fclose(fp);
-}
-
-/* apriori() calls this function when it determine the size of a library
- in memory. pm_report_library_size_in_memory() makes sure that the library
- fits in the slot provided by the prelink map.
-*/
-void pm_report_library_size_in_memory(const char *name,
- off_t fsize)
-{
- char *x;
- mapentry *me;
- int n;
-
- x = strrchr(name,'/');
- if(x) name = x+1;
-
- for(me = maplist; me; me = me->next){
- for (n = 0; n < me->num_names; n++) {
- if(!strcmp(name, me->names[n])) {
- off_t slot = me->next ? me->next->base : PRELINK_MAX;
- slot -= me->base;
- FAILIF(fsize > slot,
- "prelink map error: library %s@0x%08x is too big "
- "at %lld bytes, it runs %lld bytes into "
- "library %s@0x%08x!\n",
- me->names[0], me->base, fsize, fsize - slot,
- me->next->names[0], me->next->base);
- return;
- }
- }
- }
-
- FAILIF(1, "library '%s' not in prelink map\n", name);
-}
-
-unsigned pm_get_next_link_address(const char *lookup_name)
-{
- char *x;
- mapentry *me;
- int n;
-
- x = strrchr(lookup_name,'/');
- if(x) lookup_name = x+1;
-
- for(me = maplist; me; me = me->next)
- for (n = 0; n < me->num_names; n++)
- if(!strcmp(lookup_name, me->names[n]))
- return me->base;
-
- FAILIF(1, "library '%s' not in prelink map\n", lookup_name);
- return 0;
-}
diff --git a/tools/apriori/prelinkmap.h b/tools/apriori/prelinkmap.h
deleted file mode 100644
index 17f7660..0000000
--- a/tools/apriori/prelinkmap.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef PRELINKMAP_H
-#define PRELINKMAP_H
-
-#include <sys/types.h>
-
-extern void pm_init(const char *file);
-extern void pm_report_library_size_in_memory(const char *name, off_t fsize);
-extern unsigned pm_get_next_link_address(const char *name);
-
-#endif/*PRELINKMAP_H*/
diff --git a/tools/apriori/rangesort.c b/tools/apriori/rangesort.c
deleted file mode 100644
index b0295e8..0000000
--- a/tools/apriori/rangesort.c
+++ /dev/null
@@ -1,317 +0,0 @@
-#include <common.h>
-#include <debug.h>
-#include <rangesort.h>
-
-#define PARALLEL_ARRAY_SIZE (5)
-
-struct range_list_t {
- range_t *array;
-#ifdef DEBUG
- int is_sorted;
-#endif
- int array_length;
- int num_ranges;
-};
-
-range_list_t* init_range_list(void) {
- range_list_t *ranges = (range_list_t *)MALLOC(sizeof(range_list_t));
-
- ranges->array = (range_t *)MALLOC(PARALLEL_ARRAY_SIZE*sizeof(range_t));
- ranges->array_length = PARALLEL_ARRAY_SIZE;
- ranges->num_ranges = 0;
-#ifdef DEBUG
- ranges->is_sorted = 0;
-#endif
- return ranges;
-}
-
-void destroy_range_list(range_list_t *ranges) {
- int idx;
- for (idx = 0; idx < ranges->num_ranges; idx++) {
- if (ranges->array[idx].user_dtor) {
- ASSERT(ranges->array[idx].user);
- ranges->array[idx].user_dtor(ranges->array[idx].user);
- }
- }
- FREE(ranges->array);
- FREE(ranges);
-}
-
-static inline int CONTAINS(range_t *container, range_t *contained) {
- return container->start <= contained->start && contained->length &&
- (container->start + container->length >
- contained->start + contained->length);
-}
-
-static inline int IN_RANGE(range_t *range, GElf_Off point) {
- return
- range->start <= point &&
- point < (range->start + range->length);
-}
-
-static inline int INTERSECT(range_t *left, range_t *right) {
- return
- (IN_RANGE(left, right->start) &&
- IN_RANGE(right, left->start + left->length)) ||
- (IN_RANGE(right, left->start) &&
- IN_RANGE(left, right->start + right->length));
-}
-
-static int range_cmp_for_search(const void *l, const void *r) {
- range_t *left = (range_t *)l, *right = (range_t *)r;
- if (INTERSECT(left, right) ||
- CONTAINS(left, right) ||
- CONTAINS(right, left)) {
- return 0;
- }
- return left->start - right->start;
-}
-
-static inline void run_checks(const void *l, const void *r) {
- range_t *left = (range_t *)l, *right = (range_t *)r;
- if (CONTAINS(left, right)) {
- if (left->err_fn)
- left->err_fn(ERROR_CONTAINS, left, right);
- FAILIF(1, "Range sorting error: [%lld, %lld) contains [%lld, %lld)!\n",
- left->start, left->start + left->length,
- right->start, right->start + right->length);
- }
- if (CONTAINS(right, left)) {
- if (right->err_fn)
- right->err_fn(ERROR_CONTAINS, left, right);
- FAILIF(1, "Range sorting error: [%lld, %lld) contains [%lld, %lld)!\n",
- right->start, right->start + right->length,
- left->start, left->start + left->length);
- }
- if (INTERSECT(left, right)) {
- if (left->err_fn)
- left->err_fn(ERROR_OVERLAPS, left, right);
- FAILIF(1, "Range sorting error: [%lld, %lld)and [%lld, %lld) intersect!\n",
- left->start, left->start + left->length,
- right->start, right->start + right->length);
- }
-}
-
-static int range_cmp(const void *l, const void *r) {
- run_checks(l, r);
- range_t *left = (range_t *)l, *right = (range_t *)r;
- return left->start - right->start;
-}
-
-void add_unique_range_nosort(
- range_list_t *ranges,
- GElf_Off start,
- GElf_Off length,
- void *user,
- void (*err_fn)(range_error_t, range_t *, range_t *),
- void (*user_dtor)(void * ))
-{
- if (ranges->num_ranges == ranges->array_length) {
- ranges->array_length += PARALLEL_ARRAY_SIZE;
- ranges->array = REALLOC(ranges->array,
- ranges->array_length*sizeof(range_t));
- }
- ranges->array[ranges->num_ranges].start = start;
- ranges->array[ranges->num_ranges].length = length;
- ranges->array[ranges->num_ranges].user = user;
- ranges->array[ranges->num_ranges].err_fn = err_fn;
- ranges->array[ranges->num_ranges].user_dtor = user_dtor;
- ranges->num_ranges++;
-}
-
-range_list_t *sort_ranges(range_list_t *ranges) {
- if (ranges->num_ranges > 1)
- qsort(ranges->array, ranges->num_ranges, sizeof(range_t), range_cmp);
- ranges->is_sorted = 1;
- return ranges;
-}
-
-range_t *find_range(range_list_t *ranges, GElf_Off value) {
-#if 1
- int i;
- for (i = 0; i < ranges->num_ranges; i++) {
- if (ranges->array[i].start <= value &&
- value < ranges->array[i].start + ranges->array[i].length)
- return ranges->array + i;
- }
- return NULL;
-#else
- ASSERT(ranges->is_sorted); /* The range list must be sorted */
- range_t lookup;
- lookup.start = value;
- lookup.length = 0;
- return
- (range_t *)bsearch(&lookup,
- ranges->array, ranges->num_ranges, sizeof(range_t),
- range_cmp_for_search);
-#endif
-}
-
-int get_num_ranges(const range_list_t *ranges)
-{
- return ranges->num_ranges;
-}
-
-range_t *get_sorted_ranges(const range_list_t *ranges, int *num_ranges) {
- ASSERT(ranges->is_sorted); /* The range list must be sorted */
- if (num_ranges) {
- *num_ranges = ranges->num_ranges;
- }
- return ranges->array;
-}
-
-GElf_Off get_last_address(const range_list_t *ranges) {
- ASSERT(ranges->num_ranges);
- return
- ranges->array[ranges->num_ranges-1].start +
- ranges->array[ranges->num_ranges-1].length;
-}
-
-static void handle_range_error(range_error_t err,
- range_t *left, range_t *right) {
- switch (err) {
- case ERROR_CONTAINS:
- ERROR("ERROR: section (%lld, %lld bytes) contains "
- "section (%lld, %lld bytes)\n",
- left->start, left->length,
- right->start, right->length);
- break;
- case ERROR_OVERLAPS:
- ERROR("ERROR: Section (%lld, %lld bytes) intersects "
- "section (%lld, %lld bytes)\n",
- left->start, left->length,
- right->start, right->length);
- break;
- default:
- ASSERT(!"Unknown range error code!");
- }
-
- FAILIF(1, "Range error.\n");
-}
-
-static void destroy_contiguous_range_info(void *user) {
- contiguous_range_info_t *info = (contiguous_range_info_t *)user;
- FREE(info->ranges);
- FREE(info);
-}
-
-static void handle_contiguous_range_error(range_error_t err,
- range_t *left,
- range_t *right)
-{
- contiguous_range_info_t *left_data =
- (contiguous_range_info_t *)left->user;
- ASSERT(left_data);
- contiguous_range_info_t *right_data =
- (contiguous_range_info_t *)right->user;
- ASSERT(right_data);
-
- PRINT("Contiguous-range overlap error. Printing contained ranges:\n");
- int cnt;
- PRINT("\tLeft ranges:\n");
- for (cnt = 0; cnt < left_data->num_ranges; cnt++) {
- PRINT("\t\t[%lld, %lld)\n",
- left_data->ranges[cnt].start,
- left_data->ranges[cnt].start + left_data->ranges[cnt].length);
- }
- PRINT("\tRight ranges:\n");
- for (cnt = 0; cnt < right_data->num_ranges; cnt++) {
- PRINT("\t\t[%lld, %lld)\n",
- right_data->ranges[cnt].start,
- right_data->ranges[cnt].start + right_data->ranges[cnt].length);
- }
-
- handle_range_error(err, left, right);
-}
-
-range_list_t* get_contiguous_ranges(const range_list_t *input)
-{
- ASSERT(input);
- FAILIF(!input->is_sorted,
- "get_contiguous_ranges(): input range list is not sorted!\n");
-
- range_list_t* ret = init_range_list();
- int num_ranges;
- range_t *ranges = get_sorted_ranges(input, &num_ranges);
-
- int end_idx = 0;
- while (end_idx < num_ranges) {
- int start_idx = end_idx++;
- int old_end_idx = start_idx;
- int total_length = ranges[start_idx].length;
- while (end_idx < num_ranges) {
- if (ranges[old_end_idx].start + ranges[old_end_idx].length !=
- ranges[end_idx].start)
- break;
- old_end_idx = end_idx++;
- total_length += ranges[old_end_idx].length;
- }
-
- contiguous_range_info_t *user =
- (contiguous_range_info_t *)MALLOC(sizeof(contiguous_range_info_t));
- user->num_ranges = end_idx - start_idx;
- user->ranges = (range_t *)MALLOC(user->num_ranges * sizeof(range_t));
- int i;
- for (i = 0; i < end_idx - start_idx; i++)
- user->ranges[i] = ranges[start_idx + i];
- add_unique_range_nosort(ret,
- ranges[start_idx].start,
- total_length,
- user,
- handle_contiguous_range_error,
- destroy_contiguous_range_info);
- }
-
- return ret;
-}
-
-range_list_t* subtract_ranges(const range_list_t *r, const range_list_t *s)
-{
- ASSERT(r); ASSERT(r->is_sorted);
- ASSERT(s); ASSERT(s->is_sorted);
-
- range_list_t *result = init_range_list();
-
- int r_num_ranges, r_idx;
- range_t *r_ranges = get_sorted_ranges(r, &r_num_ranges);
- ASSERT(r_ranges);
-
- int s_num_ranges, s_idx;
- range_t *s_ranges = get_sorted_ranges(s, &s_num_ranges);
- ASSERT(s_ranges);
-
- s_idx = 0;
- for (r_idx = 0; r_idx < r_num_ranges; r_idx++) {
- GElf_Off last_start = r_ranges[r_idx].start;
- for (; s_idx < s_num_ranges; s_idx++) {
- if (CONTAINS(&r_ranges[r_idx], &s_ranges[s_idx])) {
- if (last_start ==
- r_ranges[r_idx].start + r_ranges[r_idx].length) {
- break;
- }
- if (last_start == s_ranges[s_idx].start) {
- last_start += s_ranges[s_idx].length;
- continue;
- }
- INFO("Adding subtracted range [%lld, %lld)\n",
- last_start,
- s_ranges[s_idx].start);
- add_unique_range_nosort(
- result,
- last_start,
- s_ranges[s_idx].start - last_start,
- NULL,
- NULL,
- NULL);
- last_start = s_ranges[s_idx].start + s_ranges[s_idx].length;
- } else {
- ASSERT(!INTERSECT(&r_ranges[r_idx], &s_ranges[s_idx]));
- break;
- }
- } /* while (s_idx < s_num_ranges) */
- } /* for (r_idx = 0; r_idx < r_num_ranges; r_idx++) */
-
- return result;
-}
-
-
diff --git a/tools/apriori/rangesort.h b/tools/apriori/rangesort.h
deleted file mode 100644
index 21db357..0000000
--- a/tools/apriori/rangesort.h
+++ /dev/null
@@ -1,105 +0,0 @@
-#ifndef RANGESORT_H
-#define RANGESORT_H
-
-/* This implements a simple sorted list of non-overlapping ranges. */
-
-#include <debug.h>
-#include <common.h>
-#include <gelf.h>
-
-typedef enum range_error_t {
- ERROR_CONTAINS,
- ERROR_OVERLAPS
-} range_error_t;
-
-typedef struct range_t range_t;
-struct range_t {
- GElf_Off start;
- GElf_Off length;
- void *user;
- void (*err_fn)(range_error_t, range_t *, range_t *);
- void (*user_dtor)(void *);
-};
-
-typedef struct range_list_t range_list_t;
-
-range_list_t* init_range_list();
-void destroy_range_list(range_list_t *);
-
-/* Just adds a range to the list. We won't detect whether the range overlaps
- other ranges or contains them, or is contained by them, till we call
- sort_ranges(). */
-void add_unique_range_nosort(range_list_t *ranges,
- GElf_Off start, GElf_Off length,
- void *user,
- void (*err_fn)(range_error_t, range_t *, range_t *),
- void (*user_dtor)(void * ));
-
-/* Sorts the ranges. If there are overlapping ranges or ranges that contain
- other ranges, it will cause the program to exit with a FAIL. */
-range_list_t* sort_ranges(range_list_t *ranges);
-/* Find which range value falls in. Return that range or NULL if value does
- not fall within any range. */
-range_t *find_range(range_list_t *ranges, GElf_Off value);
-int get_num_ranges(const range_list_t *ranges);
-range_t *get_sorted_ranges(const range_list_t *ranges, int *num_ranges);
-GElf_Off get_last_address(const range_list_t *ranges);
-
-/* This returns a range_list_t handle that contains ranges composed of the
- adjacent ranges of the input range list. The user data of each range in
- the range list is a structure of the type contiguous_range_info_t.
- This structure contains an array of pointers to copies of the original
- range_t structures comprising each new contiguous range, as well as the
- length of that array.
-
- NOTE: The input range must be sorted!
-
- NOTE: destroy_range_list() will take care of releasing the data that it
- allocates as a result of calling get_contiguous_ranges(). Do not free that
- data yourself.
-
- NOTE: the user data of the original range_t structures is simply copied, so
- be careful handling it. You can destroy the range_list_t with
- destroy_range_list() as usual. On error, the function does not return--the
- program terminates.
-
- NOTE: The returned range is not sorted. You must call sort_ranges() if you
- need to.
-*/
-
-typedef struct {
- int num_ranges;
- range_t *ranges;
-} contiguous_range_info_t;
-
-range_list_t* get_contiguous_ranges(const range_list_t *);
-
-/* The function below takes in two range lists: r and s, and subtracts the
- ranges in s from those in r. For example, if r and s are as follows:
-
- r = { [0, 10) }
- s = { [3, 5), [7, 9) }
-
- Then r - s is { [0, 3), [5, 7), [9, 10) }
-
- NOTE: Both range lists must be sorted on input. This is guarded by an
- assertion.
-
- NOTE: Range s must contain ranges, which are fully contained by the span of
- range r (the span being the interval between the start of the lowest
- range in r, inclusive, and the end of the highest range in r,
- exclusive).
-
- NOTE: In addition to the requirement above, range s must contain ranges,
- each of which is a subrange of one of the ranges of r.
-
- NOTE: There is no user info associated with the resulting range.
-
- NOTE: The resulting range is not sorted.
-
- Ther returned list must be destroyed with destroy_range_list().
-*/
-
-range_list_t* subtract_ranges(const range_list_t *r, const range_list_t *s);
-
-#endif/*RANGESORT_H*/
diff --git a/tools/apriori/source.c b/tools/apriori/source.c
deleted file mode 100644
index 69c57c7..0000000
--- a/tools/apriori/source.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <source.h>
-
-void find_section(source_t *source, Elf64_Addr address,
- Elf_Scn **scn,
- GElf_Shdr *shdr,
- Elf_Data **data)
-{
- range_t *range = find_range(source->sorted_sections, address);
- FAILIF(NULL == range,
- "Cannot match address %lld to any range in [%s]!\n",
- address,
- source->name);
- *scn = (Elf_Scn *)range->user;
- ASSERT(*scn);
- FAILIF_LIBELF(NULL == gelf_getshdr(*scn, shdr), gelf_getshdr);
- *data = elf_getdata(*scn, NULL);
- FAILIF_LIBELF(NULL == *data, elf_getdata);
-}
diff --git a/tools/apriori/source.h b/tools/apriori/source.h
deleted file mode 100644
index 5381a29..0000000
--- a/tools/apriori/source.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifndef SOURCE_H
-#define SOURCE_H
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <libelf.h>
-#include <libebl.h>
-#ifdef ARM_SPECIFIC_HACKS
- #include <libebl_arm.h>
-#endif/*ARM_SPECIFIC_HACKS*/
-#include <elf.h>
-#include <gelf.h>
-#include <rangesort.h>
-#include <elfcopy.h>
-
-typedef struct source_t source_t;
-
-typedef struct {
- Elf_Scn *scn;
- GElf_Shdr shdr;
- Elf_Data *data;
- shdr_info_t *info;
-} section_info_t;
-
-typedef struct {
- GElf_Rel *rels;
- int num_rels; /* number of relocations that were not finished */
- int rels_size; /* this is the size of rels[], NOT the number of rels! */
-} unfinished_relocation_t;
-
-typedef struct {
- int processed;
- size_t idx; /* index of DT entry in the .dynamic section, if entry has a ptr value */
- Elf64_Addr addr; /* if DT entry's value is an address, we save it here */
- size_t sz_idx; /* index of DT entry in the .dynamic section, if entry has a size value */
- Elf64_Xword size; /* if DT entry's value is a size, we save it here */
-
- range_list_t *sections; /* list of sections corresponding to this entry */
- int num_unfinished_relocs; /* this variables is populated by adjust_dynamic_segment_for()
- during the second pass of the prelinker */
-} dt_rel_info_t;
-
-struct source_t {
- source_t *next;
-
- char *name; /* full path name of this executable file */
- char *output; /* name of the output file or directory */
- int output_is_dir; /* nonzero if output is a directory, 0 if output is a file */
- /* ELF-related information: */
- Elf *oldelf;
- Elf *elf;
- /* info[] is an array of structures describing the sections of the new ELF
- file. We populate the info[] array in clone_elf(), and use it to
- adjust the size of the ELF file when we modify the relocation-entry
- section.
- */
- shdr_info_t *shdr_info;
- GElf_Ehdr old_ehdr_mem; /* store ELF header of original library */
- GElf_Ehdr ehdr_mem; /* store ELF header of new library */
- GElf_Phdr *phdr_info;
- Ebl *ebl;
- Elf_Data *shstrtab_data;
- int elf_fd;
- int newelf_fd; /* fd of output file, -1 if output == NULL */
- int newelf_relo_fd; /* fd of relocaion output file */
- struct stat elf_file_info;
- GElf_Ehdr elf_hdr, oldelf_hdr;
- size_t shstrndx;
- int shnum; /* number of sections */
- int dry_run; /* 0 if we do not update the files, 1 (default) otherwise */
-
- section_info_t symtab;
- section_info_t strtab;
- section_info_t dynamic;
- section_info_t hash;
- section_info_t bss;
-
- range_list_t *sorted_sections;
-
- section_info_t *relocation_sections; /* relocation sections in file */
- int num_relocation_sections; /* number of relocation sections (<= relocation_sections_size) */
- int relocation_sections_size; /* sice of array -- NOT number of relocs! */
-
- /* relocation sections that contain relocations that could not be handled.
- This array is parallel to relocation_sections, and for each entry
- in that array, it contains a list of relocations that could not be
- handled.
- */
- unfinished_relocation_t *unfinished;
-
- /* The sections field of these two structuer contains a list of elements
- of the member variable relocations. */
- dt_rel_info_t rel;
- dt_rel_info_t jmprel;
-
- int num_syms; /* number of symbols in symbol table. This is the length of
- both exports[] and satisfied[] arrays. */
-
- /* This is an array that contains one element for each library dependency
- listed in the executable or shared library. */
- source_t **lib_deps; /* list of library dependencies */
- int num_lib_deps; /* actual number of library dependencies */
- int lib_deps_size; /* size of lib_deps array--NOT actual number of deps! */
-
- /* This is zero for executables. For shared libraries, it is the address
- at which the library was prelinked. */
- unsigned base;
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- /* When we read in a file, if it has the prelinked tag, we set prelinked
- to 1 and the prelink address in the tag to prelink_base. This address
- must match the value of base that we choose. */
- int prelinked;
- long prelink_base; /* valid if prelinked != 0 */
-#endif/*SUPPORT_ANDROID_PRELINK_TAGS*/
-};
-
-extern void find_section(source_t *source, Elf64_Addr address,
- Elf_Scn **scn,
- GElf_Shdr *shdr,
- Elf_Data **data);
-
-#endif/*SOURCE_H*/
diff --git a/tools/apriori/tweak.h b/tools/apriori/tweak.h
deleted file mode 100755
index 3afedee..0000000
--- a/tools/apriori/tweak.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef TWEAK_H
-#define TWEAK_H
-
-#include <source.h>
-
-/* This function will break up the .bss section into multiple subsegments,
- depending on whether the .bss segment contains copy-relocated symbols. This
- will produce a nonstandard ELF file (with multiple .bss sections), tht the
- linker will need to know how to handle. The return value is the number of
- segments that the .bss segment was broken into (zero if the .bss segment was
- not modified. */
-
-int tweak_bss_if_necessary(source_t *source);
-
-#endif/*TWEAK_H*/
diff --git a/tools/iself/Android.mk b/tools/iself/Android.mk
deleted file mode 100755
index 49fabff..0000000
--- a/tools/iself/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for iself
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_CFLAGS += -O2 -g
-LOCAL_CFLAGS += -fno-function-sections -fno-data-sections -fno-inline
-LOCAL_CFLAGS += -Wall -Wno-unused-function #-Werror
-LOCAL_CFLAGS += -DDEBUG
-
-LOCAL_C_INCLUDES:= \
- $(LOCAL_PATH)/
-
-LOCAL_SRC_FILES := \
- iself.c
-
-LOCAL_MODULE := iself
-
-include $(BUILD_HOST_EXECUTABLE)
diff --git a/tools/iself/debug.h b/tools/iself/debug.h
deleted file mode 100644
index 9bbf47f..0000000
--- a/tools/iself/debug.h
+++ /dev/null
@@ -1,90 +0,0 @@
-#ifndef DEBUG_H
-#define DEBUG_H
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#define unlikely(expr) __builtin_expect (expr, 0)
-#define likely(expr) __builtin_expect (expr, 1)
-
-#ifdef DEBUG
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* Debug enabled */
- #define ASSERT(x) do { \
- if (unlikely(!(x))) { \
- fprintf(stderr, \
- "ASSERTION FAILURE %s:%d: [%s]\n", \
- __FILE__, __LINE__, #x); \
- exit(1); \
- } \
-} while(0)
-
-#else
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* No debug */
- #define ASSERT(x) do { } while(0)
-
-#endif/* DEBUG */
-
-#define FAILIF_LIBELF(cond, function) \
- FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
-
-static inline void *MALLOC(unsigned int size) {
- void *m = malloc(size);
- FAILIF(NULL == m, "malloc(%d) failed!\n", size);
- return m;
-}
-
-static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) {
- void *m = calloc(num_entries, entry_size);
- FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
- return m;
-}
-
-static inline void *REALLOC(void *ptr, unsigned int size) {
- void *m = realloc(ptr, size);
- FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
- return m;
-}
-
-static inline void FREE(void *ptr) {
- free(ptr);
-}
-
-static inline void FREEIF(void *ptr) {
- if (ptr) FREE(ptr);
-}
-
-#define PRINT(x...) do { \
- extern int quiet_flag; \
- if(likely(!quiet_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-#define ERROR PRINT
-
-#define INFO(x...) do { \
- extern int verbose_flag; \
- if(unlikely(verbose_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
-int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
-
-#endif/*DEBUG_H*/
diff --git a/tools/iself/iself.c b/tools/iself/iself.c
deleted file mode 100644
index e634a22..0000000
--- a/tools/iself/iself.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <debug.h>
-#include <unistd.h>
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-
-int
-main(int argc, char **argv)
-{
- char *fname;
- int fd;
- char magic[4];
-
- argc--, argv++;
- FAILIF(argc != 1, "Expecting a file name!\n");
- fname = *argv;
-
- fd = open(fname, O_RDONLY);
- FAILIF(fd < 0, "Error opening %s for reading: %s (%d)!\n",
- fname, strerror(errno), errno);
-
- FAILIF(4 != read(fd, magic, 4),
- "Could not read first 4 bytes from %s: %s (%d)!\n",
- fname, strerror(errno), errno);
-
- if (magic[0] != 0x7f) return 1;
- if (magic[1] != 'E') return 1;
- if (magic[2] != 'L') return 1;
- if (magic[3] != 'F') return 1;
-
- return 0;
-}
diff --git a/tools/isprelinked/Android.mk b/tools/isprelinked/Android.mk
deleted file mode 100755
index e085f29..0000000
--- a/tools/isprelinked/Android.mk
+++ /dev/null
@@ -1,40 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for apriori
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-ifeq ($(TARGET_ARCH),arm)
-include $(CLEAR_VARS)
-
-LOCAL_LDLIBS += -ldl
-LOCAL_CFLAGS += -O2 -g
-LOCAL_CFLAGS += -fno-function-sections -fno-data-sections -fno-inline
-LOCAL_CFLAGS += -Wall -Wno-unused-function #-Werror
-LOCAL_CFLAGS += -DSUPPORT_ANDROID_PRELINK_TAGS
-LOCAL_CFLAGS += -DARM_SPECIFIC_HACKS
-LOCAL_CFLAGS += -DDEBUG
-
-ifeq ($(HOST_OS),windows)
-LOCAL_LDLIBS += -lintl
-endif
-
-LOCAL_SRC_FILES := \
- isprelinked.c \
- debug.c \
- prelink_info.c
-
-LOCAL_C_INCLUDES:= \
- $(LOCAL_PATH)/ \
- external/elfutils/lib/ \
- external/elfutils/libelf/ \
- external/elfutils/libebl/ \
- external/elfcopy/
-
-LOCAL_STATIC_LIBRARIES := libelfcopy libelf libebl libebl_arm #dl
-
-LOCAL_MODULE := isprelinked
-
-include $(BUILD_HOST_EXECUTABLE)
-endif #TARGET_ARCH==arm
diff --git a/tools/isprelinked/common.h b/tools/isprelinked/common.h
deleted file mode 100644
index f5d9d2e..0000000
--- a/tools/isprelinked/common.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef COMMON_H
-#define COMMON_H
-
-#include <libelf.h>
-#include <elf.h>
-
-#define unlikely(expr) __builtin_expect (expr, 0)
-#define likely(expr) __builtin_expect (expr, 1)
-
-#define MIN(a,b) ((a)<(b)?(a):(b)) /* no side effects in arguments allowed! */
-
-static inline int is_host_little(void)
-{
- short val = 0x10;
- return ((char *)&val)[0] != 0;
-}
-
-static inline long switch_endianness(long val)
-{
- long newval;
- ((char *)&newval)[3] = ((char *)&val)[0];
- ((char *)&newval)[2] = ((char *)&val)[1];
- ((char *)&newval)[1] = ((char *)&val)[2];
- ((char *)&newval)[0] = ((char *)&val)[3];
- return newval;
-}
-
-#endif/*COMMON_H*/
diff --git a/tools/isprelinked/debug.c b/tools/isprelinked/debug.c
deleted file mode 100644
index 6066543..0000000
--- a/tools/isprelinked/debug.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <debug.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#define NUM_COLS (32)
-
-int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) {
- int num_nonprintable = 0;
- int i, last;
- char *pchr = (char *)b;
- fputc('\n', s);
- for (i = last = 0; i < len; i++) {
- if (!elsize) {
- if (i && !(i % 4)) fprintf(s, " ");
- if (i && !(i % 8)) fprintf(s, " ");
- } else {
- if (i && !(i % elsize)) fprintf(s, " ");
- }
-
- if (i && !(i % NUM_COLS)) {
- while (last < i) {
- if (isprint(pchr[last]))
- fputc(pchr[last], s);
- else {
- fputc('.', s);
- num_nonprintable++;
- }
- last++;
- }
- fprintf(s, " (%d)\n", i);
- }
- fprintf(s, "%02x", (unsigned char)pchr[i]);
- }
- if (i && (i % NUM_COLS)) fputs("\n", s);
- return num_nonprintable;
-}
-
diff --git a/tools/isprelinked/debug.h b/tools/isprelinked/debug.h
deleted file mode 100644
index 3996898..0000000
--- a/tools/isprelinked/debug.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef DEBUG_H
-#define DEBUG_H
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <common.h>
-
-#ifdef DEBUG
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* Debug enabled */
- #define ASSERT(x) do { \
- if (unlikely(!(x))) { \
- fprintf(stderr, \
- "ASSERTION FAILURE %s:%d: [%s]\n", \
- __FILE__, __LINE__, #x); \
- exit(1); \
- } \
-} while(0)
-
-#else
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* No debug */
- #define ASSERT(x) do { } while(0)
-
-#endif/* DEBUG */
-
-#define FAILIF_LIBELF(cond, function) \
- FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
-
-static inline void *MALLOC(unsigned int size) {
- void *m = malloc(size);
- FAILIF(NULL == m, "malloc(%d) failed!\n", size);
- return m;
-}
-
-static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) {
- void *m = calloc(num_entries, entry_size);
- FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
- return m;
-}
-
-static inline void *REALLOC(void *ptr, unsigned int size) {
- void *m = realloc(ptr, size);
- FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
- return m;
-}
-
-static inline void FREE(void *ptr) {
- free(ptr);
-}
-
-static inline void FREEIF(void *ptr) {
- if (ptr) FREE(ptr);
-}
-
-#define PRINT(x...) do { \
- extern int quiet_flag; \
- if(likely(!quiet_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-#define ERROR PRINT
-
-#define INFO(x...) do { \
- extern int verbose_flag; \
- if(unlikely(verbose_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
-int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
-
-#endif/*DEBUG_H*/
diff --git a/tools/isprelinked/isprelinked.c b/tools/isprelinked/isprelinked.c
deleted file mode 100644
index c677e39..0000000
--- a/tools/isprelinked/isprelinked.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* TODO:
- 1. check the ARM EABI version--this works for versions 1 and 2.
- 2. use a more-intelligent approach to finding the symbol table, symbol-string
- table, and the .dynamic section.
- 3. fix the determination of the host and ELF-file endianness
- 4. write the help screen
-*/
-
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <libebl.h>
-#ifdef ARM_SPECIFIC_HACKS
- #include <libebl_arm.h>
-#endif/*ARM_SPECIFIC_HACKS*/
-#include <elf.h>
-#include <gelf.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <rangesort.h>
-#include <prelink_info.h>
-#include <libgen.h>
-
-
-/* Flag set by --verbose. This variable is global as it is accessed by the
- macro INFO() in multiple compilation unites. */
-int verbose_flag = 0;
-/* Flag set by --quiet. This variable is global as it is accessed by the
- macro PRINT() in multiple compilation unites. */
-int quiet_flag = 0;
-
-int main(int argc, char **argv) {
-
- argc--, argv++;
- if (!argc)
- return 0;
-
- /* Check to see whether the ELF library is current. */
- FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
-
- const char *filename;
- for (; argc; argc--) {
- filename = *argv++;
-
- Elf *elf;
- GElf_Ehdr elf_hdr;
- int fd;
- int prelinked;
- long prelink_addr = 0;
-
- INFO("Processing file [%s]\n", filename);
-
- fd = open(filename, O_RDONLY);
- FAILIF(fd < 0, "open(%d): %s (%d).\n",
- filename,
- strerror(errno),
- errno);
-
- elf = elf_begin(fd, ELF_C_READ_MMAP_PRIVATE, NULL);
- FAILIF_LIBELF(elf == NULL, elf_begin);
-
- FAILIF_LIBELF(0 == gelf_getehdr(elf, &elf_hdr),
- gelf_getehdr);
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- prelinked = check_prelinked(filename, elf_hdr.e_ident[EI_DATA] == ELFDATA2LSB,
- &prelink_addr);
-#else
- #error 'SUPPORT_ANDROID_PRELINK_TAGS is not defined!'
-#endif
-
- if (prelinked)
- PRINT("%s: 0x%08x\n", filename, prelink_addr);
- else
- PRINT("%s: not prelinked\n", filename);
-
- FAILIF_LIBELF(elf_end(elf), elf_end);
- close(fd);
- }
-
- return 0;
-}
-
diff --git a/tools/isprelinked/prelink_info.c b/tools/isprelinked/prelink_info.c
deleted file mode 100644
index 21b1519..0000000
--- a/tools/isprelinked/prelink_info.c
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <prelink_info.h>
-#include <debug.h>
-#include <common.h>
-
-typedef struct {
- long mmap_addr;
- char tag[4]; /* 'P', 'R', 'E', ' ' */
-} prelink_info_t __attribute__((packed));
-
-static inline void set_prelink(long *prelink_addr,
- int elf_little,
- prelink_info_t *info)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %d!\n", sizeof(prelink_info_t));
- if (prelink_addr) {
- if (!(elf_little ^ is_host_little())) {
- /* Same endianness */
- *prelink_addr = info->mmap_addr;
- }
- else {
- /* Different endianness */
- *prelink_addr = switch_endianness(info->mmap_addr);
- }
- }
-}
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %d!\n", sizeof(prelink_info_t));
- int fd = open(fname, O_RDONLY);
- FAILIF(fd < 0, "open(%s, O_RDONLY): %s (%d)!\n",
- fname, strerror(errno), errno);
- off_t end = lseek(fd, 0, SEEK_END);
-
- int nr = sizeof(prelink_info_t);
-
- off_t sz = lseek(fd, -nr, SEEK_CUR);
- ASSERT((long)(end - sz) == (long)nr);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- prelink_info_t info;
- int num_read = read(fd, &info, nr);
- FAILIF(num_read < 0,
- "read(%d, &info, sizeof(prelink_info_t)): %s (%d)!\n",
- fd, strerror(errno), errno);
- FAILIF(num_read != sizeof(info),
- "read(%d, &info, sizeof(prelink_info_t)): did not read %d bytes as "
- "expected (read %d)!\n",
- fd, sizeof(info), num_read);
-
- int prelinked = 0;
- if (!strncmp(info.tag, "PRE ", 4)) {
- set_prelink(prelink_addr, elf_little, &info);
- prelinked = 1;
- }
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
- return prelinked;
-}
-
-#endif /*SUPPORT_ANDROID_PRELINK_TAGS*/
diff --git a/tools/isprelinked/prelink_info.h b/tools/isprelinked/prelink_info.h
deleted file mode 100644
index afc03e9..0000000
--- a/tools/isprelinked/prelink_info.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef PRELINK_INFO_H
-#define PRELINK_INFO_H
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr);
-
-#endif
-#endif/*PRELINK_INFO_H*/
diff --git a/tools/lsd/Android.mk b/tools/lsd/Android.mk
deleted file mode 100644
index a224741..0000000
--- a/tools/lsd/Android.mk
+++ /dev/null
@@ -1,43 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for lsd
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-ifeq ($(TARGET_ARCH),arm)
-include $(CLEAR_VARS)
-
-LOCAL_LDLIBS += -ldl
-LOCAL_CFLAGS += -O2 -g
-LOCAL_CFLAGS += -fno-function-sections -fno-data-sections -fno-inline
-LOCAL_CFLAGS += -Wall -Wno-unused-function #-Werror
-LOCAL_CFLAGS += -DBIG_ENDIAN=1
-LOCAL_CFLAGS += -DARM_SPECIFIC_HACKS
-LOCAL_CFLAGS += -DSUPPORT_ANDROID_PRELINK_TAGS
-LOCAL_CFLAGS += -DDEBUG
-
-ifeq ($(HOST_OS),windows)
-LOCAL_LDLIBS += -lintl
-endif
-
-LOCAL_SRC_FILES := \
- cmdline.c \
- debug.c \
- hash.c \
- lsd.c \
- main.c
-
-LOCAL_C_INCLUDES:= \
- $(LOCAL_PATH)/ \
- external/elfutils/lib/ \
- external/elfutils/libelf/ \
- external/elfutils/libebl/
-
-LOCAL_STATIC_LIBRARIES := libelf libebl libebl_arm #dl
-
-LOCAL_MODULE := lsd
-
-include $(BUILD_HOST_EXECUTABLE)
-endif #TARGET_ARCH==arm
-
diff --git a/tools/lsd/cmdline.c b/tools/lsd/cmdline.c
deleted file mode 100644
index a3445cd..0000000
--- a/tools/lsd/cmdline.c
+++ /dev/null
@@ -1,130 +0,0 @@
-#include <debug.h>
-#include <cmdline.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <ctype.h>
-
-extern char *optarg;
-extern int optind, opterr, optopt;
-
-static struct option long_options[] = {
- {"verbose", no_argument, 0, 'V'},
- {"help", no_argument, 0, 'h'},
- {"print-info", no_argument, 0, 'p'},
- {"list-needed-libs", no_argument, 0, 'n'},
- {"lookup", required_argument, 0, 'L'},
- {0, 0, 0, 0},
-};
-
-/* This array must parallel long_options[] */
-static const char *descriptions[] = {
- "print verbose output",
- "print help screen",
- "for each file, generate a listing of all dependencies that each symbol "
- "satisfies",
- "print out a list of needed libraries",
- "provide a directory for library lookup"
-};
-
-void print_help(void)
-{
- fprintf(stdout,
- "invokation:\n"
- "\tlsd file1 [file2 file3 ... fileN] [-Ldir1 -Ldir2 ... -LdirN] "
- "[-Vpn]\n"
- "or\n"
- "\tlsd -h\n\n");
- fprintf(stdout, "options:\n");
- struct option *opt = long_options;
- const char **desc = descriptions;
- while (opt->name) {
- fprintf(stdout, "\t-%c\n"
- "\t--%-15s: %s\n",
- opt->val,
- opt->name,
- *desc);
- opt++;
- desc++;
- }
-}
-
-int get_options(int argc, char **argv,
- int *list_needed_libs,
- int *info,
- char ***dirs,
- int *num_dirs,
- int *verbose)
-{
- int c;
-
- ASSERT(list_needed_libs);
- *list_needed_libs = 0;
- ASSERT(info);
- *info = 0;
- ASSERT(verbose);
- *verbose = 0;
- ASSERT(dirs);
- *dirs = NULL;
- ASSERT(num_dirs);
- int size = 0;
- *num_dirs = 0;
-
- while (1) {
- /* getopt_long stores the option index here. */
- int option_index = 0;
-
- c = getopt_long (argc, argv,
- "VhpnL:",
- long_options,
- &option_index);
- /* Detect the end of the options. */
- if (c == -1) break;
-
- if (isgraph(c)) {
- INFO ("option -%c with value `%s'\n", c, (optarg ?: "(null)"));
- }
-
-#define SET_STRING_OPTION(name) do { \
- ASSERT(optarg); \
- (*name) = strdup(optarg); \
-} while(0)
-
- switch (c) {
- case 0:
- /* If this option set a flag, do nothing else now. */
- if (long_options[option_index].flag != 0)
- break;
- INFO ("option %s", long_options[option_index].name);
- if (optarg)
- INFO (" with arg %s", optarg);
- INFO ("\n");
- break;
- case 'h': print_help(); exit(1); break;
- case 'V': *verbose = 1; break;
- case 'p': *info = 1; break;
- case 'n': *list_needed_libs = 1; break;
- case 'L':
- {
- if (*num_dirs == size) {
- size += 10;
- *dirs = (char **)REALLOC(*dirs, size * sizeof(char *));
- }
- SET_STRING_OPTION(((*dirs) + *num_dirs));
- (*num_dirs)++;
- }
- break;
- case '?':
- /* getopt_long already printed an error message. */
- break;
-
-#undef SET_STRING_OPTION
-
- default:
- FAILIF(1, "Unknown option");
- }
- }
-
- return optind;
-}
diff --git a/tools/lsd/cmdline.h b/tools/lsd/cmdline.h
deleted file mode 100644
index fc3be3e..0000000
--- a/tools/lsd/cmdline.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef CMDLINE_H
-#define CMDLINE_H
-
-void print_help(void);
-
-int get_options(int argc, char **argv,
- int *list_needed_libs,
- int *info,
- char ***dirs,
- int *num_dirs,
- int *verbose);
-
-#endif/*CMDLINE_H*/
diff --git a/tools/lsd/common.h b/tools/lsd/common.h
deleted file mode 100644
index 6447b10..0000000
--- a/tools/lsd/common.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef COMMON_H
-#define COMMON_H
-
-#include <libelf.h>
-#include <elf.h>
-
-#define unlikely(expr) __builtin_expect (expr, 0)
-#define likely(expr) __builtin_expect (expr, 1)
-
-#define MIN(a,b) ((a)<(b)?(a):(b)) /* no side effects in arguments allowed! */
-
-#endif/*COMMON_H*/
diff --git a/tools/lsd/debug.c b/tools/lsd/debug.c
deleted file mode 100644
index 54b18df..0000000
--- a/tools/lsd/debug.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <debug.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#define NUM_COLS (32)
-
-int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize)
-{
- int num_nonprintable = 0;
- int i, last;
- char *pchr = (char *)b;
- fputc('\n', s);
- for (i = last = 0; i < len; i++) {
- if (!elsize) {
- if (i && !(i % 4)) fprintf(s, " ");
- if (i && !(i % 8)) fprintf(s, " ");
- }
- else {
- if (i && !(i % elsize)) fprintf(s, " ");
- }
-
- if (i && !(i % NUM_COLS)) {
- while (last < i) {
- if (isprint(pchr[last]))
- fputc(pchr[last], s);
- else {
- fputc('.', s);
- num_nonprintable++;
- }
- last++;
- }
- fprintf(s, " (%d)\n", i);
- }
- fprintf(s, "%02x", (unsigned char)pchr[i]);
- }
- if (i && (i % NUM_COLS)) fputs("\n", s);
- return num_nonprintable;
-}
-
diff --git a/tools/lsd/debug.h b/tools/lsd/debug.h
deleted file mode 100644
index f7842f8..0000000
--- a/tools/lsd/debug.h
+++ /dev/null
@@ -1,93 +0,0 @@
-#ifndef DEBUG_H
-#define DEBUG_H
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <common.h>
-
-#ifdef DEBUG
-
-#define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* Debug enabled */
-#define ASSERT(x) do { \
- if (unlikely(!(x))) { \
- fprintf(stderr, \
- "ASSERTION FAILURE %s:%d: [%s]\n", \
- __FILE__, __LINE__, #x); \
- exit(1); \
- } \
-} while(0)
-
-#else
-
-#define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* No debug */
-#define ASSERT(x) do { } while(0)
-
-#endif/* DEBUG */
-
-#define FAILIF_LIBELF(cond, function) \
- FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
-
-static inline void *MALLOC(unsigned int size)
-{
- void *m = malloc(size);
- FAILIF(NULL == m, "malloc(%d) failed!\n", size);
- return m;
-}
-
-static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size)
-{
- void *m = calloc(num_entries, entry_size);
- FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
- return m;
-}
-
-static inline void *REALLOC(void *ptr, unsigned int size)
-{
- void *m = realloc(ptr, size);
- FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
- return m;
-}
-
-static inline void FREE(void *ptr)
-{
- free(ptr);
-}
-
-static inline void FREEIF(void *ptr)
-{
- if (ptr) FREE(ptr);
-}
-
-#define PRINT(x...) do { \
- extern int quiet_flag; \
- if(likely(!quiet_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-#define ERROR(x...) fprintf(stderr, ##x)
-
-#define INFO(x...) do { \
- extern int verbose_flag; \
- if(unlikely(verbose_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
-int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
-
-#endif/*DEBUG_H*/
diff --git a/tools/lsd/hash.c b/tools/lsd/hash.c
deleted file mode 100644
index bbac675..0000000
--- a/tools/lsd/hash.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <hash.h>
-#include <string.h>
-
-int hash_lookup(Elf *elf,
- Elf_Data *hash,
- Elf_Data *symtab,
- Elf_Data *symstr,
- const char *symname)
-{
- Elf32_Word *hash_data = (Elf32_Word *)hash->d_buf;
- Elf32_Word index;
- Elf32_Word nbuckets = *hash_data++;
- Elf32_Word *buckets = ++hash_data;
- Elf32_Word *chains = hash_data + nbuckets;
-
- index = buckets[elf_hash(symname) % nbuckets];
- while(index != STN_UNDEF &&
- strcmp((char *)symstr->d_buf +
- ((Elf32_Sym *)symtab->d_buf)[index].st_name,
- symname))
- {
- index = chains[index];
- }
-
- return index;
-}
diff --git a/tools/lsd/hash.h b/tools/lsd/hash.h
deleted file mode 100644
index af29b9e..0000000
--- a/tools/lsd/hash.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef HASH_H
-#define HASH_H
-
-#include <common.h>
-#include <libelf.h>
-#include <gelf.h>
-
-int hash_lookup(Elf *elf,
- Elf_Data *hash,
- Elf_Data *symtab,
- Elf_Data *symstr,
- const char *symname);
-
-#endif/*HASH_H*/
diff --git a/tools/lsd/lsd.c b/tools/lsd/lsd.c
deleted file mode 100644
index 03c235b..0000000
--- a/tools/lsd/lsd.c
+++ /dev/null
@@ -1,777 +0,0 @@
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <libebl.h>
-#include <elf.h>
-#include <gelf.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <hash.h>
-#include <lsd.h>
-
-extern int verbose_flag;
-
-typedef struct source_t source_t;
-
-typedef struct {
- Elf_Scn *scn;
- GElf_Shdr shdr;
- Elf_Data *data;
-} section_info_t;
-
-typedef struct next_export_t {
- source_t *source;
- int next_idx;
-} next_export_t;
-
-struct source_t {
- source_t *next;
- int visited;
-
- char *name; /* full path name of this executable file */
- /* ELF-related information: */
- Elf *elf;
- int elf_fd;
- GElf_Ehdr elf_hdr;
- size_t shstrndx;
- int shnum; /* number of sections */
-
- section_info_t symtab;
- section_info_t strtab;
- section_info_t dynamic;
- section_info_t hash;
-
- section_info_t *relocations;
- int num_relocations; /* number of relocs (<= relocations_size) */
- int relocations_size; /* sice of array -- NOT number of relocs! */
-
- /* satisfied_execs: array containing pointers to the libraries or
- executables that this executable satisfies symbol references for. */
- source_t **satisfied_execs;
- int num_satisfied_execs;
- int satisfied_execs_size;
-
- /* satisfied: array is parallel to symbol table; for each undefined symbol
- in that array, we maintain a flag stating whether that symbol has been
- satisfied, and if so, by which library. This applies both to executable
- files and libraries.
- */
- source_t **satisfied;
-
- /* exports: array is parallel to symbol table; for each global symbol
- in that array, we maintain a flag stating whether that symbol satisfies
- a dependency in some other file. num_syms is the length of the exports
- array, as well as the satisfied array. This applied to libraries only.
-
- next_exports: this is a bit tricky. We use this field to maintain a
- linked list of source_t for each global symbol of a shared library.
- For a shared library's global symbol at index N has the property that
- exports[N] is the head of a linked list (threaded through next_export)
- of all source_t that this symbol resolves a reference to. For example,
- if symbol printf has index 1000 in libc.so, and an executable A and
- library L use printf, then the source_t entry corresponding to libc.so
- will have exports[1000] be a linked list that contains the nodes for
- application A and library L.
- */
-
- next_export_t *exports;
- /* num_exported is the number of symbols in this file actually used by
- somebody else; it's not the size of the exports array. */
- int num_exported;
- next_export_t *next_export;
- int num_next_export;
- int next_export_size;
-
- int num_syms; /* number of symbols in symbol table. This is the length of
- both exports[] and satisfied[] arrays. */
-
- /* This is an array that contains one element for each library dependency
- listed in the executable or shared library. */
- source_t **lib_deps; /* list of library dependencies */
- int num_lib_deps; /* actual number of library dependencies */
- int lib_deps_size; /* size of lib_deps array--NOT actual number of deps! */
-
-};
-
-static source_t *sources = NULL;
-
-static char * find_file(const char *libname,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs);
-
-static inline source_t* find_source(const char *name,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs) {
- source_t *trav = sources;
- char *full = find_file(name, lib_lookup_dirs, num_lib_lookup_dirs);
- FAILIF(full == NULL, "Cannot construct full path for file [%s]!\n", name);
- while (trav) {
- if (!strcmp(trav->name, full))
- break;
- trav = trav->next;
- }
- free(full);
- return trav;
-}
-
-static inline void add_to_sources(source_t *src) {
- src->next = sources;
- sources = src;
-}
-
-static source_t* init_source(char *full_path) {
- source_t *source = (source_t *)CALLOC(1, sizeof(source_t));
-
- ASSERT(full_path);
- source->name = full_path;
- source->elf_fd = -1;
-
- INFO("Opening %s...\n", full_path);
- source->elf_fd = open(full_path, O_RDONLY);
- FAILIF(source->elf_fd < 0, "open(%s): %s (%d)\n",
- full_path,
- strerror(errno),
- errno);
- INFO("Calling elf_begin(%s)...\n", full_path);
- source->elf = elf_begin(source->elf_fd, ELF_C_READ, NULL);
- FAILIF_LIBELF(source->elf == NULL, elf_begin);
-
- /* libelf can recognize COFF and A.OUT formats, but we handle only ELF. */
- if (elf_kind(source->elf) != ELF_K_ELF) {
- ERROR("Input file %s is not in ELF format!\n", full_path);
- return NULL;
- }
-
- /* Make sure this is a shared library or an executable. */
- {
- INFO("Making sure %s is a shared library or an executable...\n",
- full_path);
- FAILIF_LIBELF(0 == gelf_getehdr(source->elf, &source->elf_hdr), gelf_getehdr);
- FAILIF(source->elf_hdr.e_type != ET_DYN &&
- source->elf_hdr.e_type != ET_EXEC,
- "%s must be a shared library (elf type is %d, expecting %d).\n",
- full_path,
- source->elf_hdr.e_type,
- ET_DYN);
- }
-
- /* Get the index of the section-header-strings-table section. */
- FAILIF_LIBELF(elf_getshstrndx (source->elf, &source->shstrndx) < 0,
- elf_getshstrndx);
-
- FAILIF_LIBELF(elf_getshnum (source->elf, &source->shnum) < 0, elf_getshnum);
-
- /* Find various sections. */
- size_t scnidx;
- Elf_Scn *scn;
- GElf_Shdr *shdr, shdr_mem;
- INFO("Locating %d sections in %s...\n", source->shnum, full_path);
- for (scnidx = 1; scnidx < source->shnum; scnidx++) {
- scn = elf_getscn(source->elf, scnidx);
- FAILIF_LIBELF(NULL == scn, elf_getscn);
- shdr = gelf_getshdr(scn, &shdr_mem);
- FAILIF_LIBELF(NULL == shdr, gelf_getshdr);
- INFO("\tfound section [%s]...\n", elf_strptr(source->elf, source->shstrndx, shdr->sh_name));
- if (shdr->sh_type == SHT_DYNSYM) {
- source->symtab.scn = scn;
- source->symtab.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->symtab.data, elf_getdata);
- memcpy(&source->symtab.shdr, shdr, sizeof(GElf_Shdr));
-
- /* The sh_link field of the section header of the symbol table
- contains the index of the associated strings table. */
- source->strtab.scn = elf_getscn(source->elf,
- source->symtab.shdr.sh_link);
- FAILIF_LIBELF(NULL == source->strtab.scn, elf_getscn);
- FAILIF_LIBELF(NULL == gelf_getshdr(scn, &source->strtab.shdr),
- gelf_getshdr);
- source->strtab.data = elf_getdata(source->strtab.scn, NULL);
- FAILIF_LIBELF(NULL == source->strtab.data, elf_getdata);
- }
- else if (shdr->sh_type == SHT_DYNAMIC) {
- source->dynamic.scn = scn;
- source->dynamic.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->symtab.data, elf_getdata);
- memcpy(&source->dynamic.shdr, shdr, sizeof(GElf_Shdr));
- }
- else if (shdr->sh_type == SHT_HASH) {
- source->hash.scn = scn;
- source->hash.data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == source->hash.data, elf_getdata);
- memcpy(&source->hash.shdr, shdr, sizeof(GElf_Shdr));
- }
- else if (shdr->sh_type == SHT_REL || shdr->sh_type == SHT_RELA) {
- if (source->num_relocations == source->relocations_size) {
- source->relocations_size += 5;
- source->relocations =
- (section_info_t *)REALLOC(source->relocations,
- source->relocations_size *
- sizeof(section_info_t));
- }
- section_info_t *reloc =
- source->relocations + source->num_relocations;
- reloc->scn = scn;
- reloc->data = elf_getdata(scn, NULL);
- FAILIF_LIBELF(NULL == reloc->data, elf_getdata);
- memcpy(&reloc->shdr, shdr, sizeof(GElf_Shdr));
- source->num_relocations++;
- }
- }
-
- if (source->dynamic.scn == NULL) {
- INFO("File [%s] does not have a dynamic section!\n", full_path);
- return 0;
- }
-
- FAILIF(source->symtab.scn == NULL,
- "File [%s] does not have a dynamic symbol table!\n",
- full_path);
-
- FAILIF(source->hash.scn == NULL,
- "File [%s] does not have a hash table!\n",
- full_path);
- FAILIF(source->hash.shdr.sh_link != elf_ndxscn(source->symtab.scn),
- "Hash points to section %d, not to %d as expected!\n",
- source->hash.shdr.sh_link,
- elf_ndxscn(scn));
-
- /* Now, find out how many symbols we have and allocate the array of
- satisfied symbols.
-
- NOTE: We don't count the number of undefined symbols here; we will
- iterate over the symbol table later, and count them then, when it is
- more convenient.
- */
- size_t symsize = gelf_fsize (source->elf,
- ELF_T_SYM,
- 1, source->elf_hdr.e_version);
- ASSERT(symsize);
-
- source->num_syms = source->symtab.data->d_size / symsize;
- source->satisfied = (source_t **)CALLOC(source->num_syms,
- sizeof(source_t *));
- source->exports = (source_t **)CALLOC(source->num_syms,
- sizeof(next_export_t));
-
- source->num_exported = 0;
- source->satisfied_execs = NULL;
- source->num_satisfied_execs = 0;
- source->satisfied_execs_size = 0;
-
- add_to_sources(source);
- return source;
-}
-
-static void destroy_source(source_t *source) {
- FREE(source->satisfied_execs);
- FREE(source->satisfied);
- FREE(source->exports);
- FREE(source->next_export);
- FREE(source->lib_deps); /* list of library dependencies */
- FAILIF_LIBELF(elf_end(source->elf), elf_end);
- FAILIF(close(source->elf_fd) < 0, "Could not close file %s: %s (%d)!\n",
- source->name, strerror(errno), errno);
- FREE(source->name);
- FREE(source);
-}
-
-static void print_needed_libs(source_t *source)
-{
- size_t idx;
- for (idx = 0; idx < source->num_lib_deps; idx++) {
- PRINT("%s:%s\n",
- source->name,
- source->lib_deps[idx]->name);
- }
-}
-
-static int is_symbol_imported(source_t *source,
- GElf_Sym *sym,
- size_t symidx)
-{
- const char *symname = elf_strptr(source->elf,
- elf_ndxscn(source->strtab.scn),
- sym->st_name);
-
- /* A symbol is imported by an executable or a library if it is undefined
- and is either global or weak. There is an additional case for
- executables that we will check below. */
- if (sym->st_shndx == SHN_UNDEF &&
- (GELF_ST_BIND(sym->st_info) == STB_GLOBAL ||
- GELF_ST_BIND(sym->st_info) == STB_WEAK)) {
- INFO("*** symbol [%s:%s] is imported (UNDEFIEND).\n",
- source->name,
- symname);
- return 1;
- }
-
-#ifdef ARM_SPECIFIC_HACKS
- /* A symbol is imported by an executable if is marked as an undefined
- symbol--this is standard to all ELF formats. Alternatively, according
- to the ARM specifications, a symbol in a BSS section that is also marked
- by an R_ARM_COPY relocation is also imported. */
-
- if (source->elf_hdr.e_type != ET_EXEC) {
- INFO("is_symbol_imported(): [%s] is a library, "
- "no further checks.\n", source->name);
- return 0;
- }
-
- /* Is the symbol in the BSS section, and is there a COPY relocation on
- that symbol? */
- INFO("*** [%s:%s] checking further to see if symbol is imported.\n",
- source->name, symname);
- if (sym->st_shndx < source->shnum) {
- /* Is it the .bss section? */
- Elf_Scn *scn = elf_getscn(source->elf, sym->st_shndx);
- FAILIF_LIBELF(NULL == scn, elf_getscn);
- GElf_Shdr *shdr, shdr_mem;
- shdr = gelf_getshdr(scn, &shdr_mem);
- FAILIF_LIBELF(NULL == shdr, gelf_getshdr);
- if (!strcmp(".bss", elf_strptr(source->elf,
- source->shstrndx,
- shdr->sh_name)))
- {
- /* Is there an R_ARM_COPY relocation on this symbol? Iterate
- over the list of relocation sections and scan each section for
- an entry that matches the symbol. */
- size_t idx;
- for (idx = 0; idx < source->num_relocations; idx++) {
- section_info_t *reloc = source->relocations + idx;
- /* Does the relocation section refer to the symbol table in
- which this symbol resides, and does it relocate the .bss
- section? */
- if (reloc->shdr.sh_link == elf_ndxscn(source->symtab.scn) &&
- reloc->shdr.sh_info == sym->st_shndx)
- {
- /* Go over the relocations and see if any of them matches
- our symbol. */
- size_t nrels = reloc->shdr.sh_size / reloc->shdr.sh_entsize;
- size_t relidx, newidx;
- if (reloc->shdr.sh_type == SHT_REL) {
- for (newidx = relidx = 0; relidx < nrels; ++relidx) {
- GElf_Rel rel_mem;
- FAILIF_LIBELF(gelf_getrel (reloc->data,
- relidx,
- &rel_mem) == NULL,
- gelf_getrel);
- if (GELF_R_TYPE(rel_mem.r_info) == R_ARM_COPY &&
- GELF_R_SYM (rel_mem.r_info) == symidx)
- {
- INFO("*** symbol [%s:%s] is imported "
- "(DEFINED, REL-COPY-RELOCATED).\n",
- source->name,
- symname);
- return 1;
- }
- } /* for each rel entry... */
- } else {
- for (newidx = relidx = 0; relidx < nrels; ++relidx) {
- GElf_Rela rel_mem;
- FAILIF_LIBELF(gelf_getrela (reloc->data,
- relidx,
- &rel_mem) == NULL,
- gelf_getrela);
- if (GELF_R_TYPE(rel_mem.r_info) == R_ARM_COPY &&
- GELF_R_SYM (rel_mem.r_info) == symidx)
- {
- INFO("*** symbol [%s:%s] is imported "
- "(DEFINED, RELA-COPY-RELOCATED).\n",
- source->name,
- symname);
- return 1;
- }
- } /* for each rela entry... */
- } /* if rel else rela */
- }
- }
- }
- }
-#endif/*ARM_SPECIFIC_HACKS*/
-
- return 0;
-}
-
-static void resolve(source_t *source) {
- /* Iterate the symbol table. For each undefined symbol, scan the
- list of dependencies till we find a global symbol in one of them that
- satisfies the undefined reference. At this point, we update both the
- satisfied[] array of the sources entry, as well as the exports array of
- the dependency where we found the match.
- */
-
- GElf_Sym *sym, sym_mem;
- size_t symidx;
- for (symidx = 0; symidx < source->num_syms; symidx++) {
- sym = gelf_getsymshndx(source->symtab.data,
- NULL,
- symidx,
- &sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == sym, gelf_getsymshndx);
- if (is_symbol_imported(source, sym, symidx))
- {
- /* This is an undefined symbol. Go over the list of libraries
- and look it up. */
- size_t libidx;
- int found = 0;
- source_t *last_found = NULL;
- const char *symname = elf_strptr(source->elf,
- elf_ndxscn(source->strtab.scn),
- sym->st_name);
- for (libidx = 0; libidx < source->num_lib_deps; libidx++) {
- source_t *lib = source->lib_deps[libidx];
- int lib_symidx = hash_lookup(lib->elf,
- lib->hash.data,
- lib->symtab.data,
- lib->strtab.data,
- symname);
- if (STN_UNDEF != lib_symidx)
- {
- /* We found the symbol--now check to see if it is global
- or weak. If this is the case, then the symbol satisfies
- the dependency. */
- GElf_Sym *lib_sym, lib_sym_mem;
- lib_sym = gelf_getsymshndx(lib->symtab.data,
- NULL,
- lib_symidx,
- &lib_sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == lib_sym, gelf_getsymshndx);
-
- if(lib_sym->st_shndx != STN_UNDEF &&
- (GELF_ST_BIND(lib_sym->st_info) == STB_GLOBAL ||
- GELF_ST_BIND(lib_sym->st_info) == STB_WEAK))
- {
- /* We found the symbol! Update the satisfied array at this
- index location. */
- source->satisfied[symidx] = lib;
- /* Now, link this structure into the linked list
- corresponding to the found symbol in the library's
- global array. */
- if (source->num_next_export == source->next_export_size) {
- source->next_export_size += 30;
- source->next_export =
- (source_t **)REALLOC(source->next_export,
- source->next_export_size *
- sizeof(struct next_export_t));
- }
- source->next_export[source->num_next_export] = lib->exports[lib_symidx];
- lib->exports[lib_symidx].source = source;
- lib->exports[lib_symidx].next_idx = source->num_next_export;
-
- source->num_next_export++;
- lib->num_exported++;
-
- INFO("[%s:%s (index %d)] satisfied by [%s] (index %d)\n",
- source->name,
- symname,
- symidx,
- lib->name,
- lib_symidx);
- if (found) {
- if (found == 1) {
- found++;
- ERROR("ERROR: multiple definitions found for [%s:%s]!\n",
- source->name, symname);
- ERROR("\tthis definition [%s]\n", lib->name);
- }
- ERROR("\tprevious definition [%s]\n", last_found->name);
- }
-
- last_found = lib;
- if (!found) found = 1;
- }
- }
- }
- if(found == 0) {
- ERROR("ERROR: could not find match for %s:%s.\n",
- source->name,
- symname);
- }
- } /* if we found the symbol... */
- } /* for each symbol... */
-} /* resolve() */
-
-static void print_used_symbols(source_t *source) {
-
- int name_len = strlen(source->name);
- static const char ext[] = ".syms";
- char *filter = (char *)MALLOC(name_len + sizeof(ext));
- strcpy(filter, source->name);
- strcpy(filter + name_len, ext);
-
- FILE *fp = fopen(filter, "w+");
- FAILIF(NULL == fp,
- "Can't open %s: %s (%d)\n",
- filter,
- strerror(errno), errno);
-
- /* Is anybody using the symbols defined in source? */
-
- if (source->num_exported > 0) {
- INFO("[%s] exports %d symbols to %d libraries and executables.\n",
- source->name,
- source->num_exported,
- source->num_satisfied_execs);
- size_t symidx;
- for (symidx = 0; symidx < source->num_syms; symidx++) {
- if (source->exports[symidx].source != NULL) {
- GElf_Sym *sym, sym_mem;
- sym = gelf_getsymshndx(source->symtab.data,
- NULL,
- symidx,
- &sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == sym, gelf_getsymshndx);
- fprintf(fp, "%s\n", elf_strptr(source->elf,
- elf_ndxscn(source->strtab.scn),
- sym->st_name));
- }
- }
- }
- else if (source->num_satisfied_execs > 0) {
-
- /* Is the source listed as a depenency on anyone? If so, then the source exports no symbols
- to anyone, but someone lists it as a dependency, which is unnecessary, so we print a warning.
- */
-
- ERROR("WARNING: [%s] is listed as a dependency in: ", source->name);
- int i;
- for (i = 0; i < source->num_satisfied_execs; i++) {
- ERROR(" [%s],", source->satisfied_execs[i]->name);
- }
- ERROR(" but none of its symbols are used!.\n");
- }
-#if 0 /* This is not really an error--a library's symbols may not be used anyone as specified in the ELF file,
- but someone may still open a library via dlopen().
- */
- else {
- ERROR("WARNING: None of [%s]'s symbols are used by any library or executable!\n", source->name);
- }
-#endif
-
- fclose(fp);
- FREE(filter);
-}
-
-static void print_symbol_references(source_t *source) {
-
- int name_len = strlen(source->name);
- static const char ext[] = ".info";
- char *filter = (char *)MALLOC(name_len + sizeof(ext));
- strcpy(filter, source->name);
- strcpy(filter + name_len, ext);
-
- FILE *fp = fopen(filter, "w+");
- FAILIF(NULL == fp,
- "Can't open %s: %s (%d)\n",
- filter,
- strerror(errno), errno);
-
- if (source->num_exported > 0) {
- size_t symidx;
- for (symidx = 0; symidx < source->num_syms; symidx++) {
- if (source->exports[symidx].source != NULL) {
- const char *symname;
- GElf_Sym *sym, sym_mem;
- sym = gelf_getsymshndx(source->symtab.data,
- NULL,
- symidx,
- &sym_mem,
- NULL);
- FAILIF_LIBELF(NULL == sym, gelf_getsymshndx);
- symname = elf_strptr(source->elf,
- elf_ndxscn(source->strtab.scn),
- sym->st_name);
- fprintf(fp, "%s\n", symname);
- next_export_t *export = &source->exports[symidx];
- while (export->source != NULL) {
- //fprintf(stderr, "%s:%s\n", symname, export->source->name);
- fprintf(fp, "\t%s\n", export->source->name);
- export = &export->source->next_export[export->next_idx];
- }
- }
- }
- }
-
- fclose(fp);
- FREE(filter);
-}
-
-static char * find_file(const char *libname,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs) {
- if (libname[0] == '/') {
- /* This is an absolute path name--just return it. */
- INFO("ABSOLUTE PATH: [%s].\n", libname);
- return strdup(libname);
- } else {
- /* First try the working directory. */
- int fd;
- if ((fd = open(libname, O_RDONLY)) > 0) {
- close(fd);
- INFO("FOUND IN CURRENT DIR: [%s].\n", libname);
- return strdup(libname);
- } else {
- /* Iterate over all library paths. For each path, append the file
- name and see if there is a file at that place. If that fails,
- bail out. */
-
- char *name;
- while (num_lib_lookup_dirs--) {
- size_t lib_len = strlen(*lib_lookup_dirs);
- /* one extra character for the slash, and another for the
- terminating NULL. */
- name = (char *)MALLOC(lib_len + strlen(libname) + 2);
- strcpy(name, *lib_lookup_dirs);
- name[lib_len] = '/';
- strcpy(name + lib_len + 1, libname);
- if ((fd = open(name, O_RDONLY)) > 0) {
- close(fd);
- INFO("FOUND: [%s] in [%s].\n", libname, name);
- return name;
- }
- INFO("NOT FOUND: [%s] in [%s].\n", libname, name);
- free(name);
- }
- }
- }
- return NULL;
-}
-
-static source_t* process_library(const char *libname,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs) {
- source_t *source = find_source(libname, lib_lookup_dirs, num_lib_lookup_dirs);
- if (NULL == source) {
- INFO("Processing [%s].\n", libname);
- char *full = find_file(libname, lib_lookup_dirs, num_lib_lookup_dirs);
- FAILIF(NULL == full,
- "Could not find [%s] in the current directory or in any of "
- "the search paths!\n", libname);
- source = init_source(full);
- if (source) {
- GElf_Dyn *dyn, dyn_mem;
- size_t dynidx;
- size_t numdyn =
- source->dynamic.shdr.sh_size /
- source->dynamic.shdr.sh_entsize;
-
- for (dynidx = 0; dynidx < numdyn; dynidx++) {
- dyn = gelf_getdyn (source->dynamic.data,
- dynidx,
- &dyn_mem);
- FAILIF_LIBELF(NULL == dyn, gelf_getdyn);
- if (dyn->d_tag == DT_NEEDED) {
- /* Process the needed library recursively. */
- const char *dep_lib =
- elf_strptr (source->elf,
- source->dynamic.shdr.sh_link,
- dyn->d_un.d_val);
- INFO("[%s] depends on [%s].\n", libname, dep_lib);
- source_t *dep = process_library(dep_lib,
- lib_lookup_dirs,
- num_lib_lookup_dirs);
-
- /* Tell dep that source depends on it. */
- if (dep->num_satisfied_execs == dep->satisfied_execs_size) {
- dep->satisfied_execs_size += 10;
- dep->satisfied_execs =
- REALLOC(dep->satisfied_execs,
- dep->satisfied_execs_size *
- sizeof(source_t *));
- }
- dep->satisfied_execs[dep->num_satisfied_execs++] = source;
-
- /* Add the library to the dependency list. */
- if (source->num_lib_deps == source->lib_deps_size) {
- source->lib_deps_size += 10;
- source->lib_deps = REALLOC(source->lib_deps,
- source->lib_deps_size *
- sizeof(source_t *));
- }
- source->lib_deps[source->num_lib_deps++] = dep;
- }
- } /* for each dynamic entry... */
- }
- } else INFO("[%s] has been processed already.\n", libname);
-
- return source;
-}
-
-void lsd(char **execs, int num_execs,
- int list_needed_libs,
- int print_info,
- char **lib_lookup_dirs, int num_lib_lookup_dirs) {
-
- source_t *source; /* for general usage */
- int input_idx;
-
- for (input_idx = 0; input_idx < num_execs; input_idx++) {
- INFO("executable: [%s]\n", execs[input_idx]);
- /* Here process library is actually processing the top-level executable
- files. */
- process_library(execs[input_idx], lib_lookup_dirs, num_lib_lookup_dirs);
- /* if source is NULL, then the respective executable is static */
- /* Mark the source as an executable */
- } /* for each input executable... */
-
- if (list_needed_libs) {
- source = sources;
- while (source) {
- print_needed_libs(source);
- source = source->next;
- }
- }
-
- /* Now, for each entry in the sources array, iterate its symbol table. For
- each undefined symbol, scan the list of dependencies till we find a
- global symbol in one of them that satisfies the undefined reference.
- At this point, we update both the satisfied[] array of the sources entry,
- as well as the exports array of the dependency where we found the match.
- */
-
- source = sources;
- while (source) {
- resolve(source);
- source = source->next;
- }
-
- /* We are done! Since the end result of our calculations is a set of
- symbols for each library that other libraries or executables link
- against, we iterate over the set of libraries one last time, and for
- each symbol that is marked as satisfying some dependence, we emit
- a line with the symbol's name to a text file derived from the library's
- name by appending the suffix .syms to it. */
-
- source = sources;
- while (source) {
- /* If it's a library, print the results. */
- if (source->elf_hdr.e_type == ET_DYN) {
- print_used_symbols(source);
- if (print_info)
- print_symbol_references(source);
- }
- source = source->next;
- }
-
- /* Free the resources--you can't do it in the loop above because function
- print_symbol_references() accesses nodes other than the one being
- iterated over.
- */
- source = sources;
- while (source) {
- source_t *old = source;
- source = source->next;
- /* Destroy the evidence. */
- destroy_source(old);
- }
-}
-
diff --git a/tools/lsd/lsd.h b/tools/lsd/lsd.h
deleted file mode 100644
index 883c423..0000000
--- a/tools/lsd/lsd.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef LSD_H
-#define LSD_H
-
-void lsd(char **execs, int num_execs,
- int list_needed_libs,
- int print_info,
- char **lib_lookup_dirs,
- int num_lib_lookup_dirs);
-
-#endif
diff --git a/tools/lsd/main.c b/tools/lsd/main.c
deleted file mode 100644
index f29157a..0000000
--- a/tools/lsd/main.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* TODO:
- 1. check the ARM EABI version--this works for versions 1 and 2.
- 2. use a more-intelligent approach to finding the symbol table, symbol-string
- table, and the .dynamic section.
- 3. fix the determination of the host and ELF-file endianness
- 4. write the help screen
-*/
-
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <elf.h>
-#include <gelf.h>
-#include <cmdline.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <lsd.h>
-
-/* Flag set by --verbose. This variable is global as it is accessed by the
- macro INFO() in multiple compilation unites. */
-int verbose_flag = 0;
-/* Flag set by --quiet. This variable is global as it is accessed by the
- macro PRINT() in multiple compilation unites. */
-int quiet_flag = 0;
-
-int main(int argc, char **argv)
-{
- char **lookup_dirs = NULL;
- int num_lookup_dirs;
- int print_info;
- int list_needed_libs;
-
- /* Do not issue INFO() statements before you call get_options() to set
- the verbose flag as necessary.
- */
-
- int first = get_options(argc, argv,
- &list_needed_libs,
- &print_info,
- &lookup_dirs,
- &num_lookup_dirs,
- &verbose_flag);
-
- if (first == argc) {
- print_help();
- FAILIF(1, "You must specify at least one input ELF file!\n");
- }
-
- /* Check to see whether the ELF library is current. */
- FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
-
- /* List symbol dependencies... */
- lsd(&argv[first], argc - first,
- list_needed_libs, print_info,
- lookup_dirs, num_lookup_dirs);
-
- FREE(lookup_dirs);
-
- return 0;
-}
-
diff --git a/tools/soslim/Android.mk b/tools/soslim/Android.mk
deleted file mode 100644
index 60a860a..0000000
--- a/tools/soslim/Android.mk
+++ /dev/null
@@ -1,49 +0,0 @@
-# Copyright 2005 The Android Open Source Project
-#
-# Android.mk for soslim
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-ifeq ($(TARGET_ARCH),arm)
-include $(CLEAR_VARS)
-
-LOCAL_LDLIBS += -ldl
-LOCAL_CFLAGS += -O2 -g
-LOCAL_CFLAGS += -fno-function-sections -fno-data-sections -fno-inline
-LOCAL_CFLAGS += -Wall -Wno-unused-function #-Werror
-LOCAL_CFLAGS += -DBIG_ENDIAN=1
-LOCAL_CFLAGS += -DARM_SPECIFIC_HACKS
-LOCAL_CFLAGS += -DSUPPORT_ANDROID_PRELINK_TAGS
-LOCAL_CFLAGS += -DDEBUG
-LOCAL_CFLAGS += -DSTRIP_STATIC_SYMBOLS
-LOCAL_CFLAGS += -DMOVE_SECTIONS_IN_RANGES
-
-ifeq ($(HOST_OS),windows)
-# Cygwin stat does not support ACCESSPERMS bitmask
-LOCAL_CFLAGS += -DACCESSPERMS=0777
-LOCAL_LDLIBS += -lintl
-endif
-
-LOCAL_SRC_FILES := \
- cmdline.c \
- common.c \
- debug.c \
- soslim.c \
- main.c \
- prelink_info.c \
- symfilter.c
-
-LOCAL_C_INCLUDES:= \
- $(LOCAL_PATH)/ \
- external/elfutils/lib/ \
- external/elfutils/libelf/ \
- external/elfutils/libebl/ \
- external/elfcopy/
-
-LOCAL_STATIC_LIBRARIES := libelfcopy libelf libebl libebl_arm #dl
-
-LOCAL_MODULE := soslim
-
-include $(BUILD_HOST_EXECUTABLE)
-endif #TARGET_ARCH==arm
diff --git a/tools/soslim/cmdline.c b/tools/soslim/cmdline.c
deleted file mode 100644
index c2d5e71..0000000
--- a/tools/soslim/cmdline.c
+++ /dev/null
@@ -1,141 +0,0 @@
-#include <debug.h>
-#include <cmdline.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <ctype.h>
-
-extern char *optarg;
-extern int optind, opterr, optopt;
-
-static struct option long_options[] =
-{
- {"verbose", no_argument, 0, 'V'},
- {"quiet", no_argument, 0, 'Q'},
- {"shady", no_argument, 0, 'S'},
- {"print", no_argument, 0, 'p'},
- {"help", no_argument, 0, 'h'},
- {"outfile", required_argument, 0, 'o'},
- {"filter", required_argument, 0, 'f'},
- {"dry", no_argument, 0, 'n'},
- {"strip", no_argument, 0, 's'},
- {0, 0, 0, 0},
-};
-
-/* This array must parallel long_options[] */
-static
-const char *descriptions[sizeof(long_options)/sizeof(long_options[0])] = {
- "print verbose output",
- "suppress errors and warnings",
- "patch ABS symbols whose values coincide with section starts and ends",
- "print the symbol table (if specified, only -V is allowed)",
- "this help screen",
- "specify an output file (if not provided, input file is modified)",
- "specify a symbol-filter file",
- "dry run (perform all calculations but do not modify the ELF file)",
- "strip debug sections, if they are present"
-};
-
-void print_help(void)
-{
- fprintf(stdout,
- "invokation:\n"
- "\tsoslim file1 [file2 file3 ... fileN] [-Ldir1 -Ldir2 ... -LdirN] "
- "[-Vpn]\n"
- "or\n"
- "\tsoslim -h\n\n");
- fprintf(stdout, "options:\n");
- struct option *opt = long_options;
- const char **desc = descriptions;
- while (opt->name) {
- fprintf(stdout, "\t-%c/--%-15s %s\n",
- opt->val,
- opt->name,
- *desc);
- opt++;
- desc++;
- }
-}
-
-int get_options(int argc, char **argv,
- char **outfile,
- char **symsfile,
- int *print_symtab,
- int *verbose,
- int *quiet,
- int *shady,
- int *dry_run,
- int *strip_debug)
-{
- int c;
-
- ASSERT(outfile);
- *outfile = NULL;
- ASSERT(symsfile);
- *symsfile = NULL;
- ASSERT(print_symtab);
- *print_symtab = 0;
- ASSERT(verbose);
- *verbose = 0;
- ASSERT(quiet);
- *quiet = 0;
- ASSERT(shady);
- *shady = 0;
- ASSERT(dry_run);
- *dry_run = 0;
- ASSERT(strip_debug);
- *strip_debug = 0;
-
- while (1) {
- /* getopt_long stores the option index here. */
- int option_index = 0;
-
- c = getopt_long (argc, argv,
- "QVSphi:o:y:Y:f:ns",
- long_options,
- &option_index);
- /* Detect the end of the options. */
- if (c == -1) break;
-
- if (isgraph(c)) {
- INFO ("option -%c with value `%s'\n", c, (optarg ?: "(null)"));
- }
-
-#define SET_STRING_OPTION(name) do { \
- ASSERT(optarg); \
- *name = strdup(optarg); \
-} while(0)
-
- switch (c) {
- case 0:
- /* If this option set a flag, do nothing else now. */
- if (long_options[option_index].flag != 0)
- break;
- INFO ("option %s", long_options[option_index].name);
- if (optarg)
- INFO (" with arg %s", optarg);
- INFO ("\n");
- break;
- case 'p': *print_symtab = 1; break;
- case 'h': print_help(); exit(1); break;
- case 'V': *verbose = 1; break;
- case 'Q': *quiet = 1; break;
- case 'S': *shady = 1; break;
- case 'n': *dry_run = 1; break;
- case 's': *strip_debug = 1; break;
- case 'o': SET_STRING_OPTION(outfile); break;
- case 'f': SET_STRING_OPTION(symsfile); break;
- case '?':
- /* getopt_long already printed an error message. */
- break;
-
-#undef SET_STRING_OPTION
-
- default:
- FAILIF(1, "Unknown option");
- }
- }
-
- return optind;
-}
diff --git a/tools/soslim/cmdline.h b/tools/soslim/cmdline.h
deleted file mode 100644
index bfc431e..0000000
--- a/tools/soslim/cmdline.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#ifndef CMDLINE_H
-#define CMDLINE_H
-
-void print_help(void);
-
-int get_options(int argc, char **argv,
- char **outfile,
- char **symsfile,
- int *print_symtab,
- int *verbose,
- int *quiet,
- int *shady,
- int *dry_run,
- int *strip_debug);
-
-#endif/*CMDLINE_H*/
diff --git a/tools/soslim/common.c b/tools/soslim/common.c
deleted file mode 100644
index b90cf41..0000000
--- a/tools/soslim/common.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <stdlib.h>
-#include <common.h>
-#include <debug.h>
-
-void map_over_sections(Elf *elf,
- section_match_fn_t match,
- void *user_data)
-{
- Elf_Scn* section = NULL;
- while ((section = elf_nextscn(elf, section)) != NULL) {
- if (match(elf, section, user_data))
- return;
- }
-}
-
-void map_over_segments(Elf *elf,
- segment_match_fn_t match,
- void *user_data)
-{
- Elf32_Ehdr *ehdr;
- Elf32_Phdr *phdr;
- int index;
-
- ehdr = elf32_getehdr(elf);
- phdr = elf32_getphdr(elf);
-
- INFO("Scanning over %d program segments...\n",
- ehdr->e_phnum);
-
- for (index = ehdr->e_phnum; index; index--) {
- if (match(elf, phdr++, user_data))
- return;
- }
-}
-
diff --git a/tools/soslim/common.h b/tools/soslim/common.h
deleted file mode 100644
index dacf930..0000000
--- a/tools/soslim/common.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#ifndef COMMON_H
-#define COMMON_H
-
-#include <libelf.h>
-#include <elf.h>
-
-#define unlikely(expr) __builtin_expect (expr, 0)
-#define likely(expr) __builtin_expect (expr, 1)
-
-#define MIN(a,b) ((a)<(b)?(a):(b)) /* no side effects in arguments allowed! */
-
-typedef int (*section_match_fn_t)(Elf *, Elf_Scn *, void *);
-void map_over_sections(Elf *, section_match_fn_t, void *);
-
-typedef int (*segment_match_fn_t)(Elf *, Elf32_Phdr *, void *);
-void map_over_segments(Elf *, segment_match_fn_t, void *);
-
-typedef struct {
- Elf_Scn *sect;
- Elf32_Shdr *hdr;
- Elf_Data *data;
- size_t index;
-} section_info_t;
-
-static inline void get_section_info(Elf_Scn *sect, section_info_t *info)
-{
- info->sect = sect;
- info->data = elf_getdata(sect, 0);
- info->hdr = elf32_getshdr(sect);
- info->index = elf_ndxscn(sect);
-}
-
-static inline int is_host_little(void)
-{
- short val = 0x10;
- return ((char *)&val)[0] != 0;
-}
-
-static inline long switch_endianness(long val)
-{
- long newval;
- ((char *)&newval)[3] = ((char *)&val)[0];
- ((char *)&newval)[2] = ((char *)&val)[1];
- ((char *)&newval)[1] = ((char *)&val)[2];
- ((char *)&newval)[0] = ((char *)&val)[3];
- return newval;
-}
-
-#endif/*COMMON_H*/
diff --git a/tools/soslim/debug.c b/tools/soslim/debug.c
deleted file mode 100644
index b8365af..0000000
--- a/tools/soslim/debug.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <debug.h>
-#include <stdio.h>
-#include <ctype.h>
-
-#if 0
-
-#define NUM_COLS (32)
-
-int dump_hex_buffer(FILE *s, void *b, size_t len, size_t elsize) {
- int num_nonprintable = 0;
- int i, last;
- char *pchr = (char *)b;
- fputc('\n', s);
- for (i = last = 0; i < len; i++) {
- if (!elsize) {
- if (i && !(i % 4)) fprintf(s, " ");
- if (i && !(i % 8)) fprintf(s, " ");
- } else {
- if (i && !(i % elsize)) fprintf(s, " ");
- }
-
- if (i && !(i % NUM_COLS)) {
- while (last < i) {
- if (isprint(pchr[last]))
- fputc(pchr[last], s);
- else {
- fputc('.', s);
- num_nonprintable++;
- }
- last++;
- }
- fprintf(s, " (%d)\n", i);
- }
- fprintf(s, "%02x", (unsigned char)pchr[i]);
- }
- if (i && (i % NUM_COLS)) fputs("\n", s);
- return num_nonprintable;
-}
-
-#endif
diff --git a/tools/soslim/debug.h b/tools/soslim/debug.h
deleted file mode 100644
index e7a2f9a..0000000
--- a/tools/soslim/debug.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef DEBUG_H
-#define DEBUG_H
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <common.h>
-
-#ifdef DEBUG
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* Debug enabled */
- #define ASSERT(x) do { \
- if (unlikely(!(x))) { \
- fprintf(stderr, \
- "ASSERTION FAILURE %s:%d: [%s]\n", \
- __FILE__, __LINE__, #x); \
- exit(1); \
- } \
-} while(0)
-
-#else
-
- #define FAILIF(cond, msg...) do { \
- if (unlikely(cond)) { \
- fprintf(stderr, ##msg); \
- exit(1); \
- } \
-} while(0)
-
-/* No debug */
- #define ASSERT(x) do { } while(0)
-
-#endif/* DEBUG */
-
-#define FAILIF_LIBELF(cond, function) \
- FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
-
-static inline void *MALLOC(unsigned int size) {
- void *m = malloc(size);
- FAILIF(NULL == m, "malloc(%d) failed!\n", size);
- return m;
-}
-
-static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) {
- void *m = calloc(num_entries, entry_size);
- FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
- return m;
-}
-
-static inline void *REALLOC(void *ptr, unsigned int size) {
- void *m = realloc(ptr, size);
- FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
- return m;
-}
-
-static inline void FREE(void *ptr) {
- free(ptr);
-}
-
-static inline void FREEIF(void *ptr) {
- if (ptr) FREE(ptr);
-}
-
-#define PRINT(x...) do { \
- extern int quiet_flag; \
- if(likely(!quiet_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-#define ERROR(x...) fprintf(stderr, ##x)
-
-#define INFO(x...) do { \
- extern int verbose_flag; \
- if(unlikely(verbose_flag)) \
- fprintf(stdout, ##x); \
-} while(0)
-
-/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
-int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
-
-#endif/*DEBUG_H*/
diff --git a/tools/soslim/main.c b/tools/soslim/main.c
deleted file mode 100644
index df48484..0000000
--- a/tools/soslim/main.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/* TODO:
- 1. check the ARM EABI version--this works for versions 1 and 2.
- 2. use a more-intelligent approach to finding the symbol table, symbol-string
- table, and the .dynamic section.
- 3. fix the determination of the host and ELF-file endianness
- 4. write the help screen
-*/
-
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <hash.h>
-#include <libelf.h>
-#include <elf.h>
-#include <gelf.h>
-#include <cmdline.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <soslim.h>
-#include <symfilter.h>
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-#include <prelink_info.h>
-#endif
-
-/* Flag set by --verbose. This variable is global as it is accessed by the
- macro INFO() in multiple compilation unites. */
-int verbose_flag = 0;
-/* Flag set by --quiet. This variable is global as it is accessed by the
- macro PRINT() in multiple compilation unites. */
-int quiet_flag = 0;
-static void print_dynamic_symbols(Elf *elf, const char *symtab_name);
-
-int main(int argc, char **argv)
-{
- int elf_fd = -1, newelf_fd = -1;
- Elf *elf = NULL, *newelf = NULL;
- char *infile = NULL;
- char *outfile = NULL;
- char *symsfile_name = NULL;
- int print_symtab = 0;
- int shady = 0;
- int dry_run = 0;
- int strip_debug = 0;
-
- /* Do not issue INFO() statements before you call get_options() to set
- the verbose flag as necessary.
- */
-
- int first = get_options(argc, argv,
- &outfile,
- &symsfile_name,
- &print_symtab,
- &verbose_flag,
- &quiet_flag,
- &shady,
- &dry_run,
- &strip_debug);
-
- if ((print_symtab && (first == argc)) ||
- (!print_symtab && first + 1 != argc)) {
- print_help();
- FAILIF(1, "You must specify an input ELF file!\n");
- }
- FAILIF(print_symtab && (outfile || symsfile_name || shady),
- "You cannot provide --print and --outfile, --filter options, or "
- "--shady simultaneously!\n");
- FAILIF(dry_run && outfile,
- "You cannot have a dry run and output a file at the same time.");
-
- /* Check to see whether the ELF library is current. */
- FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
-
- if (print_symtab) {
-
- while (first < argc) {
- infile = argv[first++];
-
- INFO("Opening %s...\n", infile);
- elf_fd = open(infile, O_RDONLY);
- FAILIF(elf_fd < 0, "open(%s): %s (%d)\n",
- infile,
- strerror(errno),
- errno);
- INFO("Calling elf_begin(%s)...\n", infile);
- elf = elf_begin(elf_fd, ELF_C_READ, NULL);
- FAILIF_LIBELF(elf == NULL, elf_begin);
-
- /* libelf can recognize COFF and A.OUT formats, but we handle only
- ELF. */
- FAILIF(elf_kind(elf) != ELF_K_ELF,
- "Input file %s is not in ELF format!\n",
- infile);
-
- /* Make sure this is a shared library or an executable. */
- {
- GElf_Ehdr elf_hdr;
- INFO("Making sure %s is a shared library or an executable.\n",
- infile);
- FAILIF_LIBELF(0 == gelf_getehdr(elf, &elf_hdr), gelf_getehdr);
- FAILIF(elf_hdr.e_type != ET_DYN &&
- elf_hdr.e_type != ET_EXEC,
- "%s must be a shared library or an executable "
- "(elf type is %d).\n",
- infile,
- elf_hdr.e_type);
- }
-
- print_dynamic_symbols(elf, infile);
-
- FAILIF_LIBELF(elf_end(elf), elf_end);
- FAILIF(close(elf_fd) < 0, "Could not close file %s: %s (%d)!\n",
- infile, strerror(errno), errno);
- }
- }
- else {
- int elf_fd = -1;
- Elf *elf = NULL;
- infile = argv[first];
-
- INFO("Opening %s...\n", infile);
- elf_fd = open(infile, ((outfile == NULL && dry_run == 0) ? O_RDWR : O_RDONLY));
- FAILIF(elf_fd < 0, "open(%s): %s (%d)\n",
- infile,
- strerror(errno),
- errno);
- INFO("Calling elf_begin(%s)...\n", infile);
- elf = elf_begin(elf_fd,
- ((outfile == NULL && dry_run == 0) ? ELF_C_RDWR : ELF_C_READ),
- NULL);
- FAILIF_LIBELF(elf == NULL, elf_begin);
-
- /* libelf can recognize COFF and A.OUT formats, but we handle only ELF. */
- FAILIF(elf_kind(elf) != ELF_K_ELF,
- "Input file %s is not in ELF format!\n",
- infile);
-
- /* We run a better check in adjust_elf() itself. It is permissible to call adjust_elf()
- on an executable if we are only stripping sections from the executable, not rearranging
- or moving sections.
- */
- if (0) {
- /* Make sure this is a shared library. */
- GElf_Ehdr elf_hdr;
- INFO("Making sure %s is a shared library...\n", infile);
- FAILIF_LIBELF(0 == gelf_getehdr(elf, &elf_hdr), gelf_getehdr);
- FAILIF(elf_hdr.e_type != ET_DYN,
- "%s must be a shared library (elf type is %d, expecting %d).\n",
- infile,
- elf_hdr.e_type,
- ET_DYN);
- }
-
- if (outfile != NULL) {
- ASSERT(!dry_run);
- struct stat st;
- FAILIF(fstat (elf_fd, &st) != 0,
- "Cannot stat input file %s: %s (%d)!\n",
- infile, strerror(errno), errno);
- newelf_fd = open (outfile, O_RDWR | O_CREAT | O_TRUNC,
- st.st_mode & ACCESSPERMS);
- FAILIF(newelf_fd < 0, "Cannot create file %s: %s (%d)!\n",
- outfile, strerror(errno), errno);
- INFO("Output file is [%s].\n", outfile);
- newelf = elf_begin(newelf_fd, ELF_C_WRITE_MMAP, NULL);
- } else {
- INFO("Modifying [%s] in-place.\n", infile);
- newelf = elf_clone(elf, ELF_C_EMPTY);
- }
-
- symfilter_t symfilter;
-
- symfilter.symbols_to_keep = NULL;
- symfilter.num_symbols_to_keep = 0;
- if (symsfile_name) {
- /* Make sure that the file is not empty. */
- struct stat s;
- FAILIF(stat(symsfile_name, &s) < 0,
- "Cannot stat file %s.\n", symsfile_name);
- if (s.st_size) {
- INFO("Building symbol filter.\n");
- build_symfilter(symsfile_name, elf, &symfilter, s.st_size);
- }
- else INFO("Not building symbol filter, filter file is empty.\n");
- }
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- int prelinked = 0, retouched = 0;
- int elf_little; /* valid if prelinked != 0 */
- long prelink_addr; /* valid if prelinked != 0 */
-#define RETOUCH_MAX_SIZE 600000
- /* _cnt valid if retouched != 0 */
- unsigned int retouch_byte_cnt = RETOUCH_MAX_SIZE;
- char retouch_buf[RETOUCH_MAX_SIZE]; /* valid if retouched != 0 */
-#endif
- clone_elf(elf, newelf,
- infile, outfile,
- symfilter.symbols_to_keep,
- symfilter.num_symbols_to_keep,
- shady
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- , &prelinked,
- &elf_little,
- &prelink_addr,
- &retouched,
- &retouch_byte_cnt,
- retouch_buf
-#endif
- ,
- true, /* rebuild the section-header-strings table */
- strip_debug,
- dry_run);
-
- if (symsfile_name && symfilter.symbols_to_keep != NULL) {
- destroy_symfilter(&symfilter);
- }
-
- if (outfile != NULL) INFO("Closing %s...\n", outfile);
- FAILIF_LIBELF(elf_end (newelf) != 0, elf_end);
- FAILIF(newelf_fd >= 0 && close(newelf_fd) < 0,
- "Could not close file %s: %s (%d)!\n",
- outfile, strerror(errno), errno);
-
- INFO("Closing %s...\n", infile);
- FAILIF_LIBELF(elf_end(elf), elf_end);
- FAILIF(close(elf_fd) < 0, "Could not close file %s: %s (%d)!\n",
- infile, strerror(errno), errno);
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- if (retouched) {
- INFO("File has retouch data, putting it back in place.\n");
- retouch_dump(outfile != NULL ? outfile : infile,
- elf_little,
- retouch_byte_cnt,
- retouch_buf);
- }
- if (prelinked) {
- INFO("File is prelinked, putting prelink TAG back in place.\n");
- setup_prelink_info(outfile != NULL ? outfile : infile,
- elf_little,
- prelink_addr);
- }
-#endif
- }
-
- FREEIF(outfile);
- return 0;
-}
-
-static void print_dynamic_symbols(Elf *elf, const char *file)
-{
- Elf_Scn *scn = NULL;
- GElf_Shdr shdr;
-
- GElf_Ehdr ehdr;
- FAILIF_LIBELF(0 == gelf_getehdr(elf, &ehdr), gelf_getehdr);
- while ((scn = elf_nextscn (elf, scn)) != NULL) {
- FAILIF_LIBELF(NULL == gelf_getshdr(scn, &shdr), gelf_getshdr);
- if (SHT_DYNSYM == shdr.sh_type) {
- /* This failure is too restrictive. There is no reason why
- the symbol table couldn't be called something else, but
- there is a standard name, and chances are that if we don't
- see it, there's something wrong.
- */
- size_t shstrndx;
- FAILIF_LIBELF(elf_getshstrndx(elf, &shstrndx) < 0,
- elf_getshstrndx);
- /* Now print the symbols. */
- {
- Elf_Data *symdata;
- size_t elsize;
- symdata = elf_getdata (scn, NULL); /* get the symbol data */
- FAILIF_LIBELF(NULL == symdata, elf_getdata);
- /* Get the number of section. We need to compare agains this
- value for symbols that have special info in their section
- references */
- size_t shnum;
- FAILIF_LIBELF(elf_getshnum (elf, &shnum) < 0, elf_getshnum);
- /* Retrieve the size of a symbol entry */
- elsize = gelf_fsize(elf, ELF_T_SYM, 1, ehdr.e_version);
-
- size_t index;
- for (index = 0; index < symdata->d_size / elsize; index++) {
- GElf_Sym sym_mem;
- GElf_Sym *sym;
- /* Get the symbol. */
- sym = gelf_getsymshndx (symdata, NULL,
- index, &sym_mem, NULL);
- FAILIF_LIBELF(sym == NULL, gelf_getsymshndx);
- /* Print the symbol. */
- char bind = '?';
- switch(ELF32_ST_BIND(sym->st_info))
- {
- case STB_LOCAL: bind = 'l'; break;
- case STB_GLOBAL: bind = 'g'; break;
- case STB_WEAK: bind = 'w'; break;
- default: break;
- }
- char type = '?';
- switch(ELF32_ST_TYPE(sym->st_info))
- {
- case STT_NOTYPE: /* Symbol type is unspecified */
- type = '?';
- break;
- case STT_OBJECT: /* Symbol is a data object */
- type = 'o';
- break;
- case STT_FUNC: /* Symbol is a code object */
- type = 'f';
- break;
- case STT_SECTION:/* Symbol associated with a section */
- type = 's';
- break;
- case STT_FILE: /* Symbol's name is file name */
- type = 'f';
- break;
- case STT_COMMON: /* Symbol is a common data object */
- type = 'c';
- break;
- case STT_TLS: /* Symbol is thread-local data object*/
- type = 't';
- break;
- }
- {
- int till_lineno;
- int lineno;
- const char *section_name = "(unknown)";
- FAILIF(sym->st_shndx == SHN_XINDEX,
- "Can't handle symbol's st_shndx == SHN_XINDEX!\n");
- if (sym->st_shndx != SHN_UNDEF &&
- sym->st_shndx < shnum) {
- Elf_Scn *symscn = elf_getscn(elf, sym->st_shndx);
- FAILIF_LIBELF(NULL == symscn, elf_getscn);
- GElf_Shdr symscn_shdr;
- FAILIF_LIBELF(NULL == gelf_getshdr(symscn,
- &symscn_shdr),
- gelf_getshdr);
- section_name = elf_strptr(elf, shstrndx,
- symscn_shdr.sh_name);
- }
- else if (sym->st_shndx == SHN_ABS) {
- section_name = "SHN_ABS";
- }
- else if (sym->st_shndx == SHN_COMMON) {
- section_name = "SHN_COMMON";
- }
- else if (sym->st_shndx == SHN_UNDEF) {
- section_name = "(undefined)";
- }
- /* value size binding type section symname */
- PRINT("%-15s %8zd: %08llx %08llx %c%c %5d %n%s%n",
- file,
- index,
- sym->st_value, sym->st_size, bind, type,
- sym->st_shndx,
- &till_lineno,
- section_name,
- &lineno);
- lineno -= till_lineno;
- /* Create padding for section names of 15 chars.
- This limit is somewhat arbitratry. */
- while (lineno++ < 15) PRINT(" ");
- PRINT("(%d) %s\n",
- sym->st_name,
- elf_strptr(elf, shdr.sh_link, sym->st_name));
- }
- }
- }
- } /* if (shdr.sh_type = SHT_DYNSYM) */
- } /* while ((scn = elf_nextscn (elf, scn)) != NULL) */
-}
diff --git a/tools/soslim/prelink_info.c b/tools/soslim/prelink_info.c
deleted file mode 100644
index 2600ac7..0000000
--- a/tools/soslim/prelink_info.c
+++ /dev/null
@@ -1,204 +0,0 @@
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <prelink_info.h>
-#include <debug.h>
-#include <common.h>
-
-#define RETOUCH_SUFFIX_SIZE 12
-typedef struct {
- uint32_t mmap_addr;
- char tag[4]; /* 'P', 'R', 'E', ' ' */
-} __attribute__((packed)) prelink_info_t;
-
-static inline void set_prelink(long *prelink_addr,
- int elf_little,
- prelink_info_t *info)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %zd!\n", sizeof(prelink_info_t));
- if (prelink_addr) {
- if (!(elf_little ^ is_host_little())) {
- /* Same endianness */
- *prelink_addr = info->mmap_addr;
- }
- else {
- /* Different endianness */
- *prelink_addr = switch_endianness(info->mmap_addr);
- }
- }
-}
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %zd!\n", sizeof(prelink_info_t));
- int fd = open(fname, O_RDONLY);
- FAILIF(fd < 0, "open(%s, O_RDONLY): %s (%d)!\n",
- fname, strerror(errno), errno);
- off_t end = lseek(fd, 0, SEEK_END);
-#ifndef DEBUG
- (void)end;
-#endif
-
- int nr = sizeof(prelink_info_t);
-
- off_t sz = lseek(fd, -nr, SEEK_CUR);
- ASSERT((long)(end - sz) == (long)nr);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- prelink_info_t info;
- ssize_t num_read = read(fd, &info, nr);
- FAILIF(num_read < 0,
- "read(%d, &info, sizeof(prelink_info_t)): %s (%d)!\n",
- fd, strerror(errno), errno);
- FAILIF((size_t)num_read != sizeof(info),
- "read(%d, &info, sizeof(prelink_info_t)): did not read %zd bytes as "
- "expected (read %zd)!\n",
- fd, sizeof(info), (size_t)num_read);
-
- int prelinked = 0;
- if (!strncmp(info.tag, "PRE ", 4)) {
- set_prelink(prelink_addr, elf_little, &info);
- prelinked = 1;
- }
- FAILIF(close(fd) < 0,
- "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
- return prelinked;
-}
-
-int check_retouched(const char *fname, int elf_little,
- unsigned int *retouch_byte_cnt, char *retouch_buf) {
- FAILIF(sizeof(prelink_info_t) != 8,
- "Unexpected sizeof(prelink_info_t) == %d!\n",
- sizeof(prelink_info_t));
- int fd = open(fname, O_RDONLY);
- FAILIF(fd < 0, "open(%s, O_RDONLY): %s (%d)!\n",
- fname, strerror(errno), errno);
- off_t end = lseek(fd, 0, SEEK_END);
- int nr = sizeof(prelink_info_t);
- off_t sz = lseek(fd, -nr-RETOUCH_SUFFIX_SIZE, SEEK_CUR);
- ASSERT((long)(end - sz) == (long)(nr+RETOUCH_SUFFIX_SIZE));
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- char retouch_meta[RETOUCH_SUFFIX_SIZE];
- int num_read = read(fd, &retouch_meta, RETOUCH_SUFFIX_SIZE);
- FAILIF(num_read < 0,
- "read(%d, &info, sizeof(prelink_info_t)): %s (%d)!\n",
- fd, strerror(errno), errno);
- FAILIF(num_read != RETOUCH_SUFFIX_SIZE,
- "read(%d, &info, sizeof(prelink_info_t)): did not read %d bytes as "
- "expected (read %d)!\n",
- fd, RETOUCH_SUFFIX_SIZE, num_read);
-
- int retouched = 0;
- if (!strncmp(retouch_meta, "RETOUCH ", 8)) {
- unsigned int retouch_byte_cnt_meta;
- if (!(elf_little ^ is_host_little()))
- retouch_byte_cnt_meta = *(unsigned int *)(retouch_meta+8);
- else
- retouch_byte_cnt_meta =
- switch_endianness(*(unsigned int *)(retouch_meta+8));
- FAILIF(*retouch_byte_cnt < retouch_byte_cnt_meta,
- "Retouch buffer too small at %d bytes (%d needed).",
- *retouch_byte_cnt, retouch_byte_cnt_meta);
- *retouch_byte_cnt = retouch_byte_cnt_meta;
- off_t sz = lseek(fd,
- -((long)*retouch_byte_cnt)-RETOUCH_SUFFIX_SIZE-nr,
- SEEK_END);
- ASSERT((long)(end - sz) ==
- (long)(*retouch_byte_cnt+RETOUCH_SUFFIX_SIZE+nr));
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
- num_read = read(fd, retouch_buf, *retouch_byte_cnt);
- FAILIF(num_read < 0,
- "read(%d, &info, sizeof(prelink_info_t)): %s (%d)!\n",
- fd, strerror(errno), errno);
- FAILIF(num_read != *retouch_byte_cnt,
- "read(%d, retouch_buf, %u): did not read %d bytes as "
- "expected (read %d)!\n",
- fd, *retouch_byte_cnt, *retouch_byte_cnt, num_read);
-
- retouched = 1;
- }
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
- return retouched;
-}
-
-void retouch_dump(const char *fname, int elf_little,
- unsigned int retouch_byte_cnt, char *retouch_buf) {
- int fd = open(fname, O_WRONLY);
- FAILIF(fd < 0,
- "open(%s, O_WRONLY): %s (%d)\n",
- fname, strerror(errno), errno);
- off_t sz = lseek(fd, 0, SEEK_END);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- // The retouch blob ends with "RETOUCH XXXX", where XXXX is the 4-byte
- // size of the retouch blob, in target endianness.
- strncpy(retouch_buf+retouch_byte_cnt, "RETOUCH ", 8);
- if (elf_little ^ is_host_little()) {
- *(unsigned int *)(retouch_buf+retouch_byte_cnt+8) =
- switch_endianness(retouch_byte_cnt);
- } else {
- *(unsigned int *)(retouch_buf+retouch_byte_cnt+8) =
- retouch_byte_cnt;
- }
-
- int num_written = write(fd, retouch_buf, retouch_byte_cnt+12);
- FAILIF(num_written < 0,
- "write(%d, &info, sizeof(info)): %s (%d)\n",
- fd, strerror(errno), errno);
- FAILIF((retouch_byte_cnt+12) != num_written,
- "Could not write %d bytes as expected (wrote %d bytes instead)!\n",
- retouch_byte_cnt, num_written);
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
-}
-
-void setup_prelink_info(const char *fname, int elf_little, long base)
-{
- FAILIF(sizeof(prelink_info_t) != 8, "Unexpected sizeof(prelink_info_t) == %zd!\n", sizeof(prelink_info_t));
- int fd = open(fname, O_WRONLY);
- FAILIF(fd < 0,
- "open(%s, O_WRONLY): %s (%d)\n" ,
- fname, strerror(errno), errno);
- prelink_info_t info;
- off_t sz = lseek(fd, 0, SEEK_END);
- FAILIF(sz == (off_t)-1,
- "lseek(%d, 0, SEEK_END): %s (%d)!\n",
- fd, strerror(errno), errno);
-
- if (!(elf_little ^ is_host_little())) {
- /* Same endianness */
- INFO("Host and ELF file [%s] have same endianness.\n", fname);
- info.mmap_addr = base;
- }
- else {
- /* Different endianness */
- INFO("Host and ELF file [%s] have different endianness.\n", fname);
- info.mmap_addr = switch_endianness(base);
- }
- strncpy(info.tag, "PRE ", 4);
-
- ssize_t num_written = write(fd, &info, sizeof(info));
- FAILIF(num_written < 0,
- "write(%d, &info, sizeof(info)): %s (%d)\n",
- fd, strerror(errno), errno);
- FAILIF(sizeof(info) != (size_t)num_written,
- "Could not write %zd bytes (wrote only %zd bytes) as expected!\n",
- sizeof(info), (size_t)num_written);
- FAILIF(close(fd) < 0, "close(%d): %s (%d)!\n", fd, strerror(errno), errno);
-}
-
-#endif /*SUPPORT_ANDROID_PRELINK_TAGS*/
diff --git a/tools/soslim/prelink_info.h b/tools/soslim/prelink_info.h
deleted file mode 100644
index efa84fd..0000000
--- a/tools/soslim/prelink_info.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef PRELINK_INFO_H
-#define PRELINK_INFO_H
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-
-int check_prelinked(const char *fname, int elf_little, long *prelink_addr);
-int check_retouched(const char *fname, int elf_little,
- unsigned int *retouch_byte_cnt, char *retouch_buf);
-void retouch_dump(const char *fname, int elf_little,
- unsigned int retouch_byte_cnt, char *retouch_buf);
-void setup_prelink_info(const char *fname, int elf_little, long base);
-
-#endif
-#endif/*PRELINK_INFO_H*/
diff --git a/tools/soslim/soslim.c b/tools/soslim/soslim.c
deleted file mode 100644
index 33b1ee7..0000000
--- a/tools/soslim/soslim.c
+++ /dev/null
@@ -1,536 +0,0 @@
-#include <stdio.h>
-//#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <libebl.h>
-#include <libebl_arm.h>
-#include <elf.h>
-#include <gelf.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
-#include <prelink_info.h>
-#endif
-
-#include <elfcopy.h>
-
-void clone_elf(Elf *elf, Elf *newelf,
- const char *elf_name,
- const char *newelf_name,
- bool *sym_filter, int num_symbols,
- int shady
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- , int *prelinked,
- int *elf_little,
- long *prelink_addr,
- int *retouched,
- unsigned int *retouch_byte_cnt,
- char *retouch_buf
-#endif
- , bool rebuild_shstrtab,
- bool strip_debug,
- bool dry_run)
-{
- GElf_Ehdr ehdr_mem, *ehdr; /* store ELF header of original library */
- size_t shstrndx; /* section-strings-section index */
- size_t shnum; /* number of sections in the original file */
- /* string table for section headers in new file */
- struct Ebl_Strtab *shst = NULL;
- int dynamic_idx = -1; /* index in shdr_info[] of .dynamic section */
- int dynsym_idx = -1; /* index in shdr_info[] of dynamic symbol table
- section */
-
- unsigned int cnt; /* general-purpose counter */
- /* This flag is true when at least one section is dropped or when the
- relative order of sections has changed, so that section indices in
- the resulting file will be different from those in the original. */
- bool sections_dropped_or_rearranged;
- Elf_Scn *scn; /* general-purpose section */
- size_t idx; /* general-purporse section index */
-
- shdr_info_t *shdr_info = NULL;
- unsigned int shdr_info_len = 0;
- GElf_Phdr *phdr_info = NULL;
-
- /* Get the information from the old file. */
- ehdr = gelf_getehdr (elf, &ehdr_mem);
- FAILIF_LIBELF(NULL == ehdr, gelf_getehdr);
-
- /* Create new program header for the elf file */
- FAILIF(gelf_newehdr (newelf, gelf_getclass (elf)) == 0 ||
- (ehdr->e_type != ET_REL && gelf_newphdr (newelf,
- ehdr->e_phnum) == 0),
- "Cannot create new file: %s", elf_errmsg (-1));
-
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- ASSERT(prelinked);
- ASSERT(prelink_addr);
- ASSERT(elf_little);
- *elf_little = (ehdr->e_ident[EI_DATA] == ELFDATA2LSB);
- *prelinked = check_prelinked(elf_name, *elf_little, prelink_addr);
- ASSERT(retouched);
- ASSERT(retouch_byte_cnt);
- ASSERT(retouch_buf);
- *retouched = check_retouched(elf_name, *elf_little,
- retouch_byte_cnt, retouch_buf);
-#endif
-
- INFO("\n\nCALCULATING MODIFICATIONS\n\n");
-
- /* Copy out the old program header: notice that if the ELF file does not
- have a program header, this loop won't execute.
- */
- INFO("Copying ELF program header...\n");
- phdr_info = (GElf_Phdr *)CALLOC(ehdr->e_phnum, sizeof(GElf_Phdr));
- for (cnt = 0; cnt < ehdr->e_phnum; ++cnt) {
- INFO("\tRetrieving entry %d\n", cnt);
- FAILIF_LIBELF(NULL == gelf_getphdr(elf, cnt, phdr_info + cnt),
- gelf_getphdr);
- /* -- we update the header at the end
- FAILIF_LIBELF(gelf_update_phdr (newelf, cnt, phdr_info + cnt) == 0,
- gelf_update_phdr);
- */
- }
-
- /* Get the section-header strings section. This section contains the
- strings used to name the other sections. */
- FAILIF_LIBELF(elf_getshstrndx(elf, &shstrndx) < 0, elf_getshstrndx);
-
- /* Get the number of sections. */
- FAILIF_LIBELF(elf_getshnum (elf, &shnum) < 0, elf_getshnum);
- INFO("Original ELF file has %zd sections.\n", shnum);
-
- /* Allocate the section-header-info buffer. We allocate one more entry
- for the section-strings section because we regenerate that one and
- place it at the very end of the file. Note that just because we create
- an extra entry in the shdr_info array, it does not mean that we create
- one more section the header. We just mark the old section for removal
- and create one as the last section.
- */
- INFO("Allocating section-header info structure (%zd) bytes...\n",
- shnum*sizeof (shdr_info_t));
- shdr_info_len = rebuild_shstrtab ? shnum + 1 : shnum;
- shdr_info = (shdr_info_t *)CALLOC(shdr_info_len, sizeof (shdr_info_t));
-
- /* Iterate over all the sections and initialize the internal section-info
- array...
- */
- INFO("Initializing section-header info structure...\n");
- /* Gather information about the sections in this file. */
- scn = NULL;
- cnt = 1;
- while ((scn = elf_nextscn (elf, scn)) != NULL) {
- ASSERT(elf_ndxscn(scn) == cnt);
- shdr_info[cnt].scn = scn;
- FAILIF_LIBELF(NULL == gelf_getshdr(scn, &shdr_info[cnt].shdr),
- gelf_getshdr);
-
- /* Get the name of the section. */
- shdr_info[cnt].name = elf_strptr (elf, shstrndx,
- shdr_info[cnt].shdr.sh_name);
-
- INFO("\tname: %s\n", shdr_info[cnt].name);
- FAILIF(shdr_info[cnt].name == NULL,
- "Malformed file: section %d name is null\n",
- cnt);
-
- /* Mark them as present but not yet investigated. By "investigating"
- sections, we mean that we check to see if by stripping other
- sections, the sections under investigation will be compromised. For
- example, if we are removing a section of code, then we want to make
- sure that the symbol table does not contain symbols that refer to
- this code, so we investigate the symbol table. If we do find such
- symbols, we will not strip the code section.
- */
- shdr_info[cnt].idx = 1;
-
- /* Remember the shdr.sh_link value. We need to remember this value
- for those sections that refer to other sections. For example,
- we need to remember it for relocation-entry sections, because if
- we modify the symbol table that a relocation-entry section is
- relative to, then we need to patch the relocation section. By the
- time we get to deciding whether we need to patch the relocation
- section, we will have overwritten its header's sh_link field with
- a new value.
- */
- shdr_info[cnt].old_shdr = shdr_info[cnt].shdr;
- INFO("\t\toriginal sh_link: %08d\n", shdr_info[cnt].old_shdr.sh_link);
- INFO("\t\toriginal sh_addr: %lld\n", shdr_info[cnt].old_shdr.sh_addr);
- INFO("\t\toriginal sh_offset: %lld\n",
- shdr_info[cnt].old_shdr.sh_offset);
- INFO("\t\toriginal sh_size: %lld\n", shdr_info[cnt].old_shdr.sh_size);
-
- if (shdr_info[cnt].shdr.sh_type == SHT_DYNAMIC) {
- INFO("\t\tthis is the SHT_DYNAMIC section [%s] at index %d\n",
- shdr_info[cnt].name,
- cnt);
- dynamic_idx = cnt;
- }
- else if (shdr_info[cnt].shdr.sh_type == SHT_DYNSYM) {
- INFO("\t\tthis is the SHT_DYNSYM section [%s] at index %d\n",
- shdr_info[cnt].name,
- cnt);
- dynsym_idx = cnt;
- }
-
- FAILIF(shdr_info[cnt].shdr.sh_type == SHT_SYMTAB_SHNDX,
- "Cannot handle sh_type SHT_SYMTAB_SHNDX!\n");
- FAILIF(shdr_info[cnt].shdr.sh_type == SHT_GROUP,
- "Cannot handle sh_type SHT_GROUP!\n");
- FAILIF(shdr_info[cnt].shdr.sh_type == SHT_GNU_versym,
- "Cannot handle sh_type SHT_GNU_versym!\n");
-
- /* Increment the counter. */
- ++cnt;
- } /* while */
-
- /* Get the EBL handling. */
- Ebl *ebl = ebl_openbackend (elf);
- FAILIF_LIBELF(NULL == ebl, ebl_openbackend);
- FAILIF_LIBELF(0 != arm_init(elf, ehdr->e_machine, ebl, sizeof(Ebl)),
- arm_init);
-
- if (strip_debug) {
-
- /* This will actually strip more than just sections. It will strip
- anything not essential to running the image.
- */
-
- INFO("Finding debug sections to strip.\n");
-
- /* Now determine which sections can go away. The general rule is that
- all sections which are not used at runtime are stripped out. But
- there are a few exceptions:
-
- - special sections named ".comment" and ".note" are kept
- - OS or architecture specific sections are kept since we might not
- know how to handle them
- - if a section is referred to from a section which is not removed
- in the sh_link or sh_info element it cannot be removed either
- */
- for (cnt = 1; cnt < shnum; ++cnt) {
- /* Check whether the section can be removed. */
- if (SECTION_STRIP_P (ebl, elf, ehdr, &shdr_info[cnt].shdr,
- shdr_info[cnt].name,
- 1, /* remove .comment sections */
- 1 /* remove all debug sections */) ||
- /* The macro above is broken--check for .comment explicitly */
- !strcmp(".comment", shdr_info[cnt].name)
-#ifdef ARM_SPECIFIC_HACKS
- ||
- /* We ignore this section, that's why we can remove it. */
- !strcmp(".stack", shdr_info[cnt].name)
-#endif
- )
- {
- /* For now assume this section will be removed. */
- INFO("Section [%s] will be stripped from image.\n",
- shdr_info[cnt].name);
- shdr_info[cnt].idx = 0;
- }
-#ifdef STRIP_STATIC_SYMBOLS
- else if (shdr_info[cnt].shdr.sh_type == SHT_SYMTAB) {
- /* Mark the static symbol table for removal */
- INFO("Section [%s] (static symbol table) will be stripped from image.\n",
- shdr_info[cnt].name);
- shdr_info[cnt].idx = 0;
- if (shdr_info[shdr_info[cnt].shdr.sh_link].shdr.sh_type ==
- SHT_STRTAB)
- {
- /* Mark the symbol table's string table for removal. */
- INFO("Section [%s] (static symbol-string table) will be stripped from image.\n",
- shdr_info[shdr_info[cnt].shdr.sh_link].name);
- shdr_info[shdr_info[cnt].shdr.sh_link].idx = 0;
- }
- else {
- ERROR("Expecting the sh_link field of a symbol table to point to"
- " associated symbol-strings table! This is not mandated by"
- " the standard, but is a common practice and the only way "
- " to know for sure which strings table corresponds to which"
- " symbol table!\n");
- }
- }
-#endif
- }
-
- /* Mark the SHT_NULL section as handled. */
- shdr_info[0].idx = 2;
-
- /* Handle exceptions: section groups and cross-references. We might have
- to repeat this a few times since the resetting of the flag might
- propagate.
- */
- int exceptions_pass = 0;
- bool changes;
- do {
- changes = false;
- INFO("\nHandling exceptions, pass %d\n\n", exceptions_pass++);
- for (cnt = 1; cnt < shnum; ++cnt) {
- if (shdr_info[cnt].idx == 0) {
- /* If a relocation section is marked as being removed but the
- section it is relocating is not, then do not remove the
- relocation section.
- */
- if ((shdr_info[cnt].shdr.sh_type == SHT_REL
- || shdr_info[cnt].shdr.sh_type == SHT_RELA)
- && shdr_info[shdr_info[cnt].shdr.sh_info].idx != 0) {
- PRINT("\tSection [%s] will not be removed because the "
- "section it is relocating (%s) stays.\n",
- shdr_info[cnt].name,
- shdr_info[shdr_info[cnt].shdr.sh_info].name);
- }
- }
- if (shdr_info[cnt].idx == 1) {
- INFO("Processing section [%s]...\n", shdr_info[cnt].name);
-
- /* The content of symbol tables we don't remove must not
- reference any section which we do remove. Otherwise
- we cannot remove the referred section.
- */
- if (shdr_info[cnt].shdr.sh_type == SHT_DYNSYM ||
- shdr_info[cnt].shdr.sh_type == SHT_SYMTAB)
- {
- Elf_Data *symdata;
- size_t elsize;
-
- INFO("\tSection [%s] is a symbol table that's not being"
- " removed.\n\tChecking to make sure that no symbols"
- " refer to sections that are being removed.\n",
- shdr_info[cnt].name);
-
- /* Make sure the data is loaded. */
- symdata = elf_getdata (shdr_info[cnt].scn, NULL);
- FAILIF_LIBELF(NULL == symdata, elf_getdata);
-
- /* Go through all symbols and make sure the section they
- reference is not removed. */
- elsize = gelf_fsize (elf, ELF_T_SYM, 1, ehdr->e_version);
-
- /* Check the length of the dynamic-symbol filter. */
- FAILIF(sym_filter != NULL &&
- (size_t)num_symbols != symdata->d_size / elsize,
- "Length of dynsym filter (%d) must equal the number"
- " of dynamic symbols (%zd)!\n",
- num_symbols,
- symdata->d_size / elsize);
-
- size_t inner;
- for (inner = 0;
- inner < symdata->d_size / elsize;
- ++inner)
- {
- GElf_Sym sym_mem;
- GElf_Sym *sym;
- size_t scnidx;
-
- sym = gelf_getsymshndx (symdata, NULL,
- inner, &sym_mem, NULL);
- FAILIF_LIBELF(sym == NULL, gelf_getsymshndx);
-
- scnidx = sym->st_shndx;
- FAILIF(scnidx == SHN_XINDEX,
- "Can't handle SHN_XINDEX!\n");
- if (scnidx == SHN_UNDEF ||
- scnidx >= shnum ||
- (scnidx >= SHN_LORESERVE &&
- scnidx <= SHN_HIRESERVE) ||
- GELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- continue;
- }
-
- /* If the symbol is going to be thrown and it is a
- global or weak symbol that is defined (not imported),
- then continue. Since the symbol is going away, we
- do not care whether it refers to a section that is
- also going away.
- */
- if (sym_filter && !sym_filter[inner])
- {
- bool global_or_weak =
- ELF32_ST_BIND(sym->st_info) == STB_GLOBAL ||
- ELF32_ST_BIND(sym->st_info) == STB_WEAK;
- if (!global_or_weak && sym->st_shndx != SHN_UNDEF)
- continue;
- }
-
- /* -- far too much output
- INFO("\t\t\tSymbol [%s] (%d)\n",
- elf_strptr(elf,
- shdr_info[cnt].shdr.sh_link,
- sym->st_name),
- shdr_info[cnt].shdr.sh_info);
- */
-
- if (shdr_info[scnidx].idx == 0)
- {
- PRINT("\t\t\tSymbol [%s] refers to section [%s], "
- "which is being removed. Will keep that "
- "section.\n",
- elf_strptr(elf,
- shdr_info[cnt].shdr.sh_link,
- sym->st_name),
- shdr_info[scnidx].name);
- /* Mark this section as used. */
- shdr_info[scnidx].idx = 1;
- changes |= scnidx < cnt;
- }
- } /* for each symbol */
- } /* section type is SHT_DYNSYM or SHT_SYMTAB */
- /* Cross referencing happens:
- - for the cases the ELF specification says. That are
- + SHT_DYNAMIC in sh_link to string table
- + SHT_HASH in sh_link to symbol table
- + SHT_REL and SHT_RELA in sh_link to symbol table
- + SHT_SYMTAB and SHT_DYNSYM in sh_link to string table
- + SHT_GROUP in sh_link to symbol table
- + SHT_SYMTAB_SHNDX in sh_link to symbol table
- Other (OS or architecture-specific) sections might as
- well use this field so we process it unconditionally.
- - references inside section groups
- - specially marked references in sh_info if the SHF_INFO_LINK
- flag is set
- */
-
- if (shdr_info[shdr_info[cnt].shdr.sh_link].idx == 0) {
- shdr_info[shdr_info[cnt].shdr.sh_link].idx = 1;
- changes |= shdr_info[cnt].shdr.sh_link < cnt;
- }
-
- /* Handle references through sh_info. */
- if (SH_INFO_LINK_P (&shdr_info[cnt].shdr) &&
- shdr_info[shdr_info[cnt].shdr.sh_info].idx == 0) {
- PRINT("\tSection [%s] links to section [%s], which was "
- "marked for removal--it will not be removed.\n",
- shdr_info[cnt].name,
- shdr_info[shdr_info[cnt].shdr.sh_info].name);
-
- shdr_info[shdr_info[cnt].shdr.sh_info].idx = 1;
- changes |= shdr_info[cnt].shdr.sh_info < cnt;
- }
-
- /* Mark the section as investigated. */
- shdr_info[cnt].idx = 2;
- } /* if (shdr_info[cnt].idx == 1) */
- } /* for (cnt = 1; cnt < shnum; ++cnt) */
- } while (changes);
- }
- else {
- INFO("Not stripping sections.\n");
- /* Mark the SHT_NULL section as handled. */
- shdr_info[0].idx = 2;
- }
-
- /* Mark the section header string table as unused, we will create
- a new one as the very last section in the new ELF file.
- */
- shdr_info[shstrndx].idx = rebuild_shstrtab ? 0 : 2;
-
- /* We need a string table for the section headers. */
- FAILIF_LIBELF((shst = ebl_strtabinit (1 /* null-terminated */)) == NULL,
- ebl_strtabinit);
-
- /* Assign new section numbers. */
- INFO("Creating new sections...\n");
- //shdr_info[0].idx = 0;
- for (cnt = idx = 1; cnt < shnum; ++cnt) {
- if (shdr_info[cnt].idx > 0) {
- shdr_info[cnt].idx = idx++;
-
- /* Create a new section. */
- FAILIF_LIBELF((shdr_info[cnt].newscn =
- elf_newscn(newelf)) == NULL, elf_newscn);
- ASSERT(elf_ndxscn (shdr_info[cnt].newscn) == shdr_info[cnt].idx);
-
- /* Add this name to the section header string table. */
- shdr_info[cnt].se = ebl_strtabadd (shst, shdr_info[cnt].name, 0);
-
- INFO("\tsection [%s] (old offset %lld, old size %lld) will have index %d "
- "(was %zd).\n",
- shdr_info[cnt].name,
- shdr_info[cnt].old_shdr.sh_offset,
- shdr_info[cnt].old_shdr.sh_size,
- shdr_info[cnt].idx,
- elf_ndxscn(shdr_info[cnt].scn));
- } else {
- INFO("\tIgnoring section [%s] (offset %lld, size %lld, index %zd), "
- "it will be discarded.\n",
- shdr_info[cnt].name,
- shdr_info[cnt].shdr.sh_offset,
- shdr_info[cnt].shdr.sh_size,
- elf_ndxscn(shdr_info[cnt].scn));
- }
- } /* for */
-
- sections_dropped_or_rearranged = idx != cnt;
-
- Elf_Data *shstrtab_data = NULL;
-
-#if 0
- /* Fail if sections are being dropped or rearranged (except for moving shstrtab) or the
- symbol filter is not empty, AND the file is an executable.
- */
- FAILIF(((idx != cnt && !(cnt - idx == 1 && rebuild_shstrtab)) || sym_filter != NULL) &&
- ehdr->e_type != ET_DYN,
- "You may not rearrange sections or strip symbols on an executable file!\n");
-#endif
-
- INFO("\n\nADJUSTING ELF FILE\n\n");
-
- adjust_elf(elf, elf_name,
- newelf, newelf_name,
- ebl,
- ehdr, /* store ELF header of original library */
- sym_filter, num_symbols,
- shdr_info, shdr_info_len,
- phdr_info,
- idx, /* highest_scn_num */
- shnum,
- shstrndx,
- shst,
- sections_dropped_or_rearranged,
- dynamic_idx, /* index in shdr_info[] of .dynamic section */
- dynsym_idx, /* index in shdr_info[] of dynamic symbol table */
- shady,
- &shstrtab_data,
- ehdr->e_type == ET_DYN, /* adjust section ofsets only when the file is a shared library */
- rebuild_shstrtab);
-
- /* We have everything from the old file. */
- FAILIF_LIBELF(elf_cntl(elf, ELF_C_FDDONE) != 0, elf_cntl);
-
- /* The ELF library better follows our layout when this is not a
- relocatable object file. */
- elf_flagelf (newelf,
- ELF_C_SET,
- (ehdr->e_type != ET_REL ? ELF_F_LAYOUT : 0));
-
- /* Finally write the file. */
- FAILIF_LIBELF(!dry_run && elf_update(newelf, ELF_C_WRITE) == -1, elf_update);
-
- if (shdr_info != NULL) {
- /* For some sections we might have created an table to map symbol
- table indices. */
- for (cnt = 1; cnt < shdr_info_len; ++cnt) {
- FREEIF(shdr_info[cnt].newsymidx);
- FREEIF(shdr_info[cnt].symse);
- if(shdr_info[cnt].dynsymst != NULL)
- ebl_strtabfree (shdr_info[cnt].dynsymst);
- }
- /* Free the memory. */
- FREE (shdr_info);
- }
- FREEIF(phdr_info);
-
- ebl_closebackend(ebl);
-
- /* Free other resources. */
- if (shst != NULL) ebl_strtabfree (shst);
- if (shstrtab_data != NULL)
- FREEIF(shstrtab_data->d_buf);
-}
diff --git a/tools/soslim/soslim.h b/tools/soslim/soslim.h
deleted file mode 100644
index 952c960..0000000
--- a/tools/soslim/soslim.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef ELFCOPY_H
-#define ELFCOPY_H
-
-#include <libelf.h>
-#include <libebl.h>
-#include <elf.h>
-#include <gelf.h>
-
-/*
-symbol_filter:
- On input: symbol_filter[i] indicates whether to keep a symbol (1) or to
- remove it from the symbol table.
- On output: symbol_filter[i] indicates whether a symbol was removed (0) or
- kept (1) in the symbol table.
-*/
-
-void clone_elf(Elf *elf, Elf *newelf,
- const char *elf_name,
- const char *newelf_name,
- bool *symbol_filter,
- int num_symbols,
- int shady
-#ifdef SUPPORT_ANDROID_PRELINK_TAGS
- , int *prelinked,
- int *elf_little,
- long *prelink_addr,
- int *retouched,
- unsigned int *retouch_byte_cnt,
- char *retouch_buf
-#endif
- , bool rebuild_shstrtab,
- bool strip_debug,
- bool dry_run);
-
-#endif/*ELFCOPY_H*/
diff --git a/tools/soslim/symfilter.c b/tools/soslim/symfilter.c
deleted file mode 100644
index b59e68a..0000000
--- a/tools/soslim/symfilter.c
+++ /dev/null
@@ -1,246 +0,0 @@
-#include <debug.h>
-#include <common.h>
-#include <symfilter.h>
-#include <hash.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <libelf.h>
-#include <gelf.h>
-#include <ctype.h>
-
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-static int match_hash_table_section(Elf *elf, Elf_Scn *sect, void *data);
-static int match_dynsym_section(Elf *elf, Elf_Scn *sect, void *data);
-
-void build_symfilter(const char *name, Elf *elf, symfilter_t *filter,
- off_t fsize)
-{
- char *line = NULL;
- symfilter_list_t *symbol;
-
- FAILIF(NULL == name,
- "You must provide a list of symbols to filter on!\n");
-
- filter->num_symbols = 0;
- filter->total_name_length = 0;
-
- /* Open the file. */
- INFO("Opening symbol-filter file %s...\n", name);
- filter->fd = open(name, O_RDONLY);
- FAILIF(filter->fd < 0, "open(%s): %s (%d)\n",
- name,
- strerror(errno),
- errno);
-
- INFO("Symbol-filter file %s is %zd bytes long...\n",
- name,
- (size_t)fsize);
- filter->fsize = fsize;
-
- /* mmap the symbols file */
- filter->mmap = mmap(NULL, fsize,
- PROT_READ | PROT_WRITE, MAP_PRIVATE,
- filter->fd, 0);
- FAILIF(MAP_FAILED == filter->mmap,
- "mmap(NULL, %zd, PROT_READ, MAP_PRIVATE, %d, 0): %s (%d)\n",
- (size_t)fsize,
- filter->fd,
- strerror(errno),
- errno);
- INFO("Memory-mapped symbol-filter file at %p\n", filter->mmap);
-
- /* Make sure that the ELF file has a hash table. We will use the hash
- table to look up symbols quickly. If the library does not have a hash-
- table section, we can still do a linear scan, but the code for that is
- not written, as practically every shared library has a hash table.
- */
-
- filter->symtab.sect = NULL;
- map_over_sections(elf, match_dynsym_section, filter);
- FAILIF(NULL == filter->symtab.sect,
- "There is no dynamic-symbol table in this library.\n");
- filter->hash.sect = NULL;
- map_over_sections(elf, match_hash_table_section, filter);
- FAILIF(NULL == filter->hash.sect,
- "There is no hash table in this library.\n");
- INFO("Hash table size 0x%lx, data size 0x%lx.\n",
- (unsigned long)filter->hash.hdr->sh_size,
- (unsigned long)filter->hash.data->d_size);
-
- INFO("Hash table file offset: 0x%x\n", filter->hash.hdr->sh_offset);
-
- GElf_Ehdr *ehdr, ehdr_mem;
- ehdr = gelf_getehdr(elf, &ehdr_mem);
- size_t symsize = gelf_fsize (elf, ELF_T_SYM, 1, ehdr->e_version);
- ASSERT(symsize);
- filter->num_symbols_to_keep = filter->symtab.data->d_size / symsize;
- filter->symbols_to_keep = (bool *)CALLOC(filter->num_symbols_to_keep,
- sizeof(bool));
-
- /* Build the symbol-name chain. */
- INFO("Building symbol list...\n");
-
- line = (char *)filter->mmap;
-
- filter->symbols = NULL;
-#define NOT_DONE ((off_t)(line - (char *)filter->mmap) < fsize)
- do {
- char *name = line;
-
- /* Advance to the next line. We seek out spaces or new lines. At the
- first space or newline character we find, we place a '\0', and
- continue till we've consumed the line. For new lines, we scan both
- '\r' and '\n'. For spaces, we look for ' ', '\t', and '\f'
- */
-
- while (NOT_DONE && !isspace(*line)) line++;
- if (likely(NOT_DONE)) {
- *line++ = '\0';
- if (line - name > 1) {
- /* Add the entry to the symbol-filter list */
- symbol = (symfilter_list_t *)MALLOC(sizeof(symfilter_list_t));
- symbol->next = filter->symbols;
- symbol->name = name;
- filter->symbols = symbol;
-
-#if 0
- /* SLOW! For debugging only! */
- {
- size_t idx;
- size_t elsize = gelf_fsize(elf, ELF_T_SYM, 1,
- ehdr->e_version);
- symbol->index = SHN_UNDEF;
- for (idx = 0; idx < filter->symtab.data->d_size / elsize;
- idx++) {
- GElf_Sym sym_mem;
- GElf_Sym *sym;
- const char *symname;
- sym = gelf_getsymshndx (filter->symtab.data, NULL,
- idx, &sym_mem, NULL);
- ASSERT(sym);
-
- symname = elf_strptr(elf,
- filter->symtab.hdr->sh_link,
- sym->st_name);
- if(!strcmp(symname, symbol->name)) {
- symbol->index = idx;
- break;
- }
- }
- }
-#else
- /* Look up the symbol in the ELF file and associate it with the
- entry in the filter. */
- symbol->index = hash_lookup(elf,
- &filter->hash,
- &filter->symtab,
- symbol->name,
- &symbol->symbol);
-#endif
- symbol->len = line - name - 1;
- ASSERT(symbol->len == strlen(symbol->name));
-
- /* If we didn't find the symbol, then it's not in the library.
- */
-
- if(STN_UNDEF == symbol->index) {
- PRINT("%s: symbol was not found!\n", symbol->name);
- }
- else {
- /* If we found the symbol but it's an undefined symbol, then
- it's not in the library as well. */
- GElf_Sym sym_mem;
- GElf_Sym *sym;
- sym = gelf_getsymshndx (filter->symtab.data, NULL,
- symbol->index, &sym_mem, NULL);
- FAILIF_LIBELF(NULL == sym, gelf_getsymshndx);
- /* Make sure the hash lookup worked. */
- ASSERT(!strcmp(elf_strptr(elf,
- filter->symtab.hdr->sh_link,
- sym->st_name),
- symbol->name));
- if (sym->st_shndx == SHN_UNDEF) {
- PRINT("%s: symbol was not found (undefined)!\n", symbol->name);
- }
- else {
- filter->num_symbols++;
- /* Total count includes null terminators */
- filter->total_name_length += symbol->len + 1;
-
- /* Set the flag in the symbols_to_keep[] array. This indicates
- to function copy_elf() that we want to keep the symbol.
- */
- filter->symbols_to_keep[symbol->index] = true;
- INFO("FILTER-SYMBOL: [%s] [%d bytes]\n",
- symbol->name,
- symbol->len);
- }
- }
- }
- }
- } while (NOT_DONE);
-#undef NOT_DONE
-}
-
-void destroy_symfilter(symfilter_t *filter)
-{
- symfilter_list_t *old;
- INFO("Destroying symbol list...\n");
- while ((old = filter->symbols)) {
- filter->symbols = old->next;
- FREE(old);
- }
- munmap(filter->mmap, filter->fsize);
- close(filter->fd);
-}
-
-static int match_hash_table_section(Elf *elf, Elf_Scn *sect, void *data)
-{
- (void)elf; // unused argument
-
- symfilter_t *filter = (symfilter_t *)data;
- Elf32_Shdr *shdr;
-
- ASSERT(filter);
- ASSERT(sect);
- shdr = elf32_getshdr(sect);
-
- /* The section must be marked both as a SHT_HASH, and it's sh_link field
- must contain the index of our symbol table (per ELF-file spec).
- */
- if (shdr->sh_type == SHT_HASH)
- {
- FAILIF(filter->hash.sect != NULL,
- "There is more than one hash table!\n");
- get_section_info(sect, &filter->hash);
- }
-
- return 0; /* keep looking */
-}
-
-static int match_dynsym_section(Elf *elf, Elf_Scn *sect, void *data)
-{
- (void)elf; // unused argument
-
- symfilter_t *filter = (symfilter_t *)data;
- Elf32_Shdr *shdr;
-
- ASSERT(filter);
- ASSERT(sect);
- shdr = elf32_getshdr(sect);
-
- if (shdr->sh_type == SHT_DYNSYM)
- {
- FAILIF(filter->symtab.sect != NULL,
- "There is more than one dynamic symbol table!\n");
- get_section_info(sect, &filter->symtab);
- }
-
- return 0; /* keep looking */
-}
diff --git a/tools/soslim/symfilter.h b/tools/soslim/symfilter.h
deleted file mode 100644
index f73fd50..0000000
--- a/tools/soslim/symfilter.h
+++ /dev/null
@@ -1,50 +0,0 @@
-#ifndef SYMFILTER_H
-#define SYMFILTER_H
-
-/* This file describes the interface for parsing the list of symbols. Currently,
- this is just a text file with each symbol on a separate line. We build an
- in-memory linked list of symbols out of this image.
-*/
-
-#include <stdio.h>
-#include <libelf.h>
-#include <gelf.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <libebl.h> /* defines bool */
-
-typedef struct symfilter_list_t symfilter_list_t;
-struct symfilter_list_t {
- symfilter_list_t *next;
- const char *name;
- unsigned int len; /* strlen(name) */
- Elf32_Word index;
- GElf_Sym symbol;
-};
-
-typedef struct symfilter_t {
-
- int fd; /* symbol-filter-file descriptor */
- off_t fsize; /* size of file */
- void *mmap; /* symbol-fiter-file memory mapping */
-
- section_info_t symtab;
- section_info_t hash;
- symfilter_list_t *symbols;
-
- /* The total number of symbols in the symfilter. */
- unsigned int num_symbols;
- /* The total number of bytes occupied by the names of the symbols, including
- the terminating null characters.
- */
- unsigned int total_name_length;
-
- bool *symbols_to_keep;
- /* must be the same as the number of symbols in the dynamic table! */
- int num_symbols_to_keep;
-} symfilter_t;
-
-void build_symfilter(const char *name, Elf *elf, symfilter_t *filter, off_t);
-void destroy_symfilter(symfilter_t *);
-
-#endif/*SYMFILTER_H*/