Reland Implement .eh_frame writer and disassembler.

src/v8.gyp

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 1199 matching lines @@
             'arm/deoptimizer-arm.cc',
             'arm/disasm-arm.cc',
             'arm/frames-arm.cc',
             'arm/frames-arm.h',
             'arm/interface-descriptors-arm.cc',
             'arm/interface-descriptors-arm.h',
             'arm/macro-assembler-arm.cc',
             'arm/macro-assembler-arm.h',
             'arm/simulator-arm.cc',
             'arm/simulator-arm.h',
+            'arm/eh-frame-arm.h',
+            'arm/eh-frame-arm.cc',
             'compiler/arm/code-generator-arm.cc',
             'compiler/arm/instruction-codes-arm.h',
             'compiler/arm/instruction-scheduler-arm.cc',
             'compiler/arm/instruction-selector-arm.cc',
             'crankshaft/arm/lithium-arm.cc',
             'crankshaft/arm/lithium-arm.h',
             'crankshaft/arm/lithium-codegen-arm.cc',
             'crankshaft/arm/lithium-codegen-arm.h',
             'crankshaft/arm/lithium-gap-resolver-arm.cc',
             'crankshaft/arm/lithium-gap-resolver-arm.h',
@@ skipping 34 matching lines @@
             'arm64/instrument-arm64.h',
             'arm64/interface-descriptors-arm64.cc',
             'arm64/interface-descriptors-arm64.h',
             'arm64/macro-assembler-arm64.cc',
             'arm64/macro-assembler-arm64.h',
             'arm64/macro-assembler-arm64-inl.h',
             'arm64/simulator-arm64.cc',
             'arm64/simulator-arm64.h',
             'arm64/utils-arm64.cc',
             'arm64/utils-arm64.h',
+            'arm64/eh-frame-arm64.h',
+            'arm64/eh-frame-arm64.cc',
             'compiler/arm64/code-generator-arm64.cc',
             'compiler/arm64/instruction-codes-arm64.h',
             'compiler/arm64/instruction-scheduler-arm64.cc',
             'compiler/arm64/instruction-selector-arm64.cc',
             'crankshaft/arm64/delayed-masm-arm64.cc',
             'crankshaft/arm64/delayed-masm-arm64.h',
             'crankshaft/arm64/delayed-masm-arm64-inl.h',
             'crankshaft/arm64/lithium-arm64.cc',
             'crankshaft/arm64/lithium-arm64.h',
             'crankshaft/arm64/lithium-codegen-arm64.cc',
@@ skipping 209 matching lines @@
             'regexp/x64/regexp-macro-assembler-x64.cc',
             'regexp/x64/regexp-macro-assembler-x64.h',
           ],
         }],
         ['v8_target_arch=="x64"', {
           'sources': [
             'compiler/x64/code-generator-x64.cc',
             'compiler/x64/instruction-codes-x64.h',
             'compiler/x64/instruction-scheduler-x64.cc',
             'compiler/x64/instruction-selector-x64.cc',
+            'x64/eh-frame-x64.h',
+            'x64/eh-frame-x64.cc',
           ],
         }],
         ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
           'sources': [  ### gcmole(arch:ppc) ###
             'compiler/ppc/code-generator-ppc.cc',
             'compiler/ppc/instruction-codes-ppc.h',
             'compiler/ppc/instruction-scheduler-ppc.cc',
             'compiler/ppc/instruction-selector-ppc.cc',
             'crankshaft/ppc/lithium-ppc.cc',
             'crankshaft/ppc/lithium-ppc.h',
@@ skipping 772 matching lines @@
         }],
         ['want_separate_host_toolset==1', {
           'toolsets': ['host'],
         }, {
           'toolsets': ['target'],
         }],
       ],
     },
   ],
 }