Reland Implement .eh_frame writer and disassembler.

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ skipping 1615 matching lines @@
       "src/x64/assembler-x64-inl.h",
       "src/x64/assembler-x64.cc",
       "src/x64/assembler-x64.h",
       "src/x64/code-stubs-x64.cc",
       "src/x64/code-stubs-x64.h",
       "src/x64/codegen-x64.cc",
       "src/x64/codegen-x64.h",
       "src/x64/cpu-x64.cc",
       "src/x64/deoptimizer-x64.cc",
       "src/x64/disasm-x64.cc",
+      "src/x64/eh-frame-x64.cc",
       "src/x64/frames-x64.cc",
       "src/x64/frames-x64.h",
       "src/x64/interface-descriptors-x64.cc",
       "src/x64/macro-assembler-x64.cc",
       "src/x64/macro-assembler-x64.h",
     ]
   } else if (v8_target_cpu == "arm") {
     sources += [
       "src/arm/assembler-arm-inl.h",
       "src/arm/assembler-arm.cc",
       "src/arm/assembler-arm.h",
       "src/arm/code-stubs-arm.cc",
       "src/arm/code-stubs-arm.h",
       "src/arm/codegen-arm.cc",
       "src/arm/codegen-arm.h",
       "src/arm/constants-arm.cc",
       "src/arm/constants-arm.h",
       "src/arm/cpu-arm.cc",
       "src/arm/deoptimizer-arm.cc",
       "src/arm/disasm-arm.cc",
+      "src/arm/eh-frame-arm.cc",
       "src/arm/frames-arm.cc",
       "src/arm/frames-arm.h",
       "src/arm/interface-descriptors-arm.cc",
       "src/arm/interface-descriptors-arm.h",
       "src/arm/macro-assembler-arm.cc",
       "src/arm/macro-assembler-arm.h",
       "src/arm/simulator-arm.cc",
       "src/arm/simulator-arm.h",
       "src/builtins/arm/builtins-arm.cc",
       "src/compiler/arm/code-generator-arm.cc",
@@ skipping 26 matching lines @@
       "src/arm64/codegen-arm64.cc",
       "src/arm64/codegen-arm64.h",
       "src/arm64/constants-arm64.h",
       "src/arm64/cpu-arm64.cc",
       "src/arm64/decoder-arm64-inl.h",
       "src/arm64/decoder-arm64.cc",
       "src/arm64/decoder-arm64.h",
       "src/arm64/deoptimizer-arm64.cc",
       "src/arm64/disasm-arm64.cc",
       "src/arm64/disasm-arm64.h",
+      "src/arm64/eh-frame-arm64.cc",
       "src/arm64/frames-arm64.cc",
       "src/arm64/frames-arm64.h",
       "src/arm64/instructions-arm64.cc",
       "src/arm64/instructions-arm64.h",
       "src/arm64/instrument-arm64.cc",
       "src/arm64/instrument-arm64.h",
       "src/arm64/interface-descriptors-arm64.cc",
       "src/arm64/interface-descriptors-arm64.h",
       "src/arm64/macro-assembler-arm64-inl.h",
       "src/arm64/macro-assembler-arm64.cc",
@@ skipping 684 matching lines @@
 
   deps = [
     ":fuzzer_support",
   ]
 
   configs = [ ":internal_config" ]
 }
 
 v8_fuzzer("wasm_asmjs_fuzzer") {
 }