commit 00bb716039d23e02797a3858fcdb0380a9bb8855
author Andreas Gampe <agampe@google.com> Fri Apr 29 17:52:07 2016 -0700
committer Andreas Gampe <agampe@google.com> Tue May 03 09:49:34 2016 -0700
tree 6d9a2924be602cc13f982440cb60e4eeeece1afc
parent a421e9e758ebb29d3ca7d2b8911e8dfa9a3ded22

ART: Dump more OatDexFile data in oatdump

Add some stats about the enclosed dex file and type table when
dumping an oat file.

Bug: 28251566
Change-Id: I80c14e85d68cd1e3e4c64b7b9d86059d5ac8a6ad

oatdump/oatdump.cc

diff --git a/oatdump/oatdump.cc b/oatdump/oatdump.cc
index 6ecfc74..d2ab699 100644
--- a/oatdump/oatdump.cc
+++ b/oatdump/oatdump.cc
@@ -59,6 +59,7 @@
 #include "stack_map.h"
 #include "ScopedLocalRef.h"
 #include "thread_list.h"
+#include "type_lookup_table.h"
 #include "verifier/method_verifier.h"
 #include "well_known_classes.h"
 
@@ -573,8 +574,15 @@
     os << StringPrintf("location: %s\n", oat_dex_file.GetDexFileLocation().c_str());
     os << StringPrintf("checksum: 0x%08x\n", oat_dex_file.GetDexFileLocationChecksum());
 
-    // Create the verifier early.
+    // Print embedded dex file data range.
+    const uint8_t* const oat_file_begin = oat_dex_file.GetOatFile()->Begin();
+    const uint8_t* const dex_file_pointer = oat_dex_file.GetDexFilePointer();
+    uint32_t dex_offset = dchecked_integral_cast<uint32_t>(dex_file_pointer - oat_file_begin);
+    os << StringPrintf("dex-file: 0x%08x..0x%08x\n",
+                       dex_offset,
+                       dchecked_integral_cast<uint32_t>(dex_offset + oat_dex_file.FileSize() - 1));
 
+    // Create the dex file early. A lot of print-out things depend on it.
     std::string error_msg;
     const DexFile* const dex_file = OpenDexFile(&oat_dex_file, &error_msg);
     if (dex_file == nullptr) {
@@ -583,6 +591,16 @@
       return false;
     }
 
+    // Print lookup table, if it exists.
+    if (oat_dex_file.GetLookupTableData() != nullptr) {
+      uint32_t table_offset = dchecked_integral_cast<uint32_t>(
+          oat_dex_file.GetLookupTableData() - oat_file_begin);
+      uint32_t table_size = TypeLookupTable::RawDataLength(*dex_file);
+      os << StringPrintf("type-table: 0x%08x..0x%08x\n",
+                         table_offset,
+                         table_offset + table_size - 1);
+    }
+
     VariableIndentationOutputStream vios(&os);
     ScopedIndentation indent1(&vios);
     for (size_t class_def_index = 0;

runtime/oat_file.h

diff --git a/runtime/oat_file.h b/runtime/oat_file.h
index b58be92..aa727ff 100644
--- a/runtime/oat_file.h
+++ b/runtime/oat_file.h
@@ -373,6 +373,10 @@
     return lookup_table_data_;
   }
 
+  const uint8_t* GetDexFilePointer() const {
+    return dex_file_pointer_;
+  }
+
   ~OatDexFile();
 
  private: