Allow generation of native debug info for multiple methods.

Slight tweak in the API which I will need in the near future.

Change-Id: I45954ae16710bc941a9a06a3a17c70798315ca53
diff --git a/compiler/debug/elf_debug_writer.cc b/compiler/debug/elf_debug_writer.cc
index 4f2a007..0ca7370 100644
--- a/compiler/debug/elf_debug_writer.cc
+++ b/compiler/debug/elf_debug_writer.cc
@@ -114,10 +114,10 @@
 }
 
 template <typename ElfTypes>
-static ArrayRef<const uint8_t> WriteDebugElfFileForMethodInternal(
-    const InstructionSet isa,
+static ArrayRef<const uint8_t> WriteDebugElfFileForMethodsInternal(
+    InstructionSet isa,
     const InstructionSetFeatures* features,
-    const MethodDebugInfo& method_info) {
+    const ArrayRef<const MethodDebugInfo>& method_infos) {
   std::vector<uint8_t> buffer;
   buffer.reserve(KB);
   VectorOutputStream out("Debug ELF file", &buffer);
@@ -125,7 +125,7 @@
   // No program headers since the ELF file is not linked and has no allocated sections.
   builder->Start(false /* write_program_headers */);
   WriteDebugInfo(builder.get(),
-                 ArrayRef<const MethodDebugInfo>(&method_info, 1),
+                 method_infos,
                  dwarf::DW_DEBUG_FRAME_FORMAT,
                  false /* write_oat_patches */);
   builder->End();
@@ -137,19 +137,20 @@
   return ArrayRef<const uint8_t>(result, buffer.size());
 }
 
-ArrayRef<const uint8_t> WriteDebugElfFileForMethod(const InstructionSet isa,
-                                                   const InstructionSetFeatures* features,
-                                                   const MethodDebugInfo& method_info) {
+ArrayRef<const uint8_t> WriteDebugElfFileForMethods(
+    InstructionSet isa,
+    const InstructionSetFeatures* features,
+    const ArrayRef<const MethodDebugInfo>& method_infos) {
   if (Is64BitInstructionSet(isa)) {
-    return WriteDebugElfFileForMethodInternal<ElfTypes64>(isa, features, method_info);
+    return WriteDebugElfFileForMethodsInternal<ElfTypes64>(isa, features, method_infos);
   } else {
-    return WriteDebugElfFileForMethodInternal<ElfTypes32>(isa, features, method_info);
+    return WriteDebugElfFileForMethodsInternal<ElfTypes32>(isa, features, method_infos);
   }
 }
 
 template <typename ElfTypes>
 static ArrayRef<const uint8_t> WriteDebugElfFileForClassesInternal(
-    const InstructionSet isa,
+    InstructionSet isa,
     const InstructionSetFeatures* features,
     const ArrayRef<mirror::Class*>& types)
     SHARED_REQUIRES(Locks::mutator_lock_) {
@@ -174,7 +175,7 @@
   return ArrayRef<const uint8_t>(result, buffer.size());
 }
 
-ArrayRef<const uint8_t> WriteDebugElfFileForClasses(const InstructionSet isa,
+ArrayRef<const uint8_t> WriteDebugElfFileForClasses(InstructionSet isa,
                                                     const InstructionSetFeatures* features,
                                                     const ArrayRef<mirror::Class*>& types) {
   if (Is64BitInstructionSet(isa)) {