Reland Implement .eh_frame writer and disassembler.

src/v8.gyp

Index: src/v8.gyp
diff --git a/src/v8.gyp b/src/v8.gyp
index 51e528896785c02b7202cc8757f931acf586ffbc..258f126e9bd0bd3cb27cdbeb13cc45d266a4b312 100644
--- a/src/v8.gyp
+++ b/src/v8.gyp
@@ -1228,6 +1228,7 @@
             'arm/macro-assembler-arm.h',
             'arm/simulator-arm.cc',
             'arm/simulator-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',
@@ -1282,6 +1283,7 @@
             'arm64/simulator-arm64.h',
             'arm64/utils-arm64.cc',
             'arm64/utils-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',
@@ -1511,6 +1513,7 @@
             'compiler/x64/instruction-codes-x64.h',
             'compiler/x64/instruction-scheduler-x64.cc',
             'compiler/x64/instruction-selector-x64.cc',
+            'x64/eh-frame-x64.cc',
           ],
         }],
         ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {