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yangguo@chromium.org f6d1a4fef1 Allow externalizing strings in old pointer space. 
This is what I think is a better solution to the "external strings in
old pointer space" problem. Basically, it is an issue because GC scans
all fields of objects in old pointer space and if the cached address
of the backing store is unaligned, it looks like a heap object, boom.

The solution here is to use short external strings when we externalize
a string in old pointer space, and when the address is unaligned.
Short external strings don't cache the address, so GC has no issues.

BUG=268686
LOG=Y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/146183006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19093 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-02-05 09:29:04 +00:00
..
cctest.cc Fixed a few lifetime/ownership issues in cctest/test-api. 2014-01-31 07:29:25 +00:00
cctest.gyp Implement Microtask Delivery Queue 2014-02-04 19:58:49 +00:00
cctest.h Don't access stack-allocated variable when it is out of scope. Enable Isolate cleanup in cctests again. 2014-02-04 12:23:30 +00:00
cctest.status Disable unsuitable tests in ASAN mode. 2014-01-30 12:52:22 +00:00
gay-fixed.cc Dtoa for fixed notation. 2010-05-05 13:51:27 +00:00
gay-fixed.h Dtoa for fixed notation. 2010-05-05 13:51:27 +00:00
gay-precision.cc Added precision mode to fast-dtoa. 2010-09-20 09:18:00 +00:00
gay-precision.h Added precision mode to fast-dtoa. 2010-09-20 09:18:00 +00:00
gay-shortest.cc Dtoa for fixed notation. 2010-05-05 13:51:27 +00:00
gay-shortest.h Dtoa for fixed notation. 2010-05-05 13:51:27 +00:00
log-eq-of-logging-and-traversal.js Fix test-log/EquivalenceOfLoggingAndTraversal 2013-08-26 14:56:23 +00:00
OWNERS Add per-file OWNERS for MIPS-specific cctests 2014-02-04 09:53:26 +00:00
print-extension.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
print-extension.h Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
profiler-extension.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
profiler-extension.h Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
test-accessors.cc Fix issue with context not being saved on x64 introduced in 144543004 2014-01-27 08:12:59 +00:00
test-alloc.cc Remove Heap::MaxRegularSpaceAllocationSize and use Page::MaxRegularHeapObjectSize instead. 2014-01-23 13:02:27 +00:00
test-api.cc Allow externalizing strings in old pointer space. 2014-02-05 09:29:04 +00:00
test-assembler-arm.cc ARM: Optimize truncating division and fix sim 2014-01-02 16:36:21 +00:00
test-assembler-ia32.cc Prepare removal of ObjectTemplate::New without Isolate parameter. 2014-01-08 06:53:31 +00:00
test-assembler-mips.cc MIPS: Fix test-assembler-mips/MIPS10 test. 2014-02-04 14:05:46 +00:00
test-assembler-x64.cc Prepare removal of ObjectTemplate::New without Isolate parameter. 2014-01-08 06:53:31 +00:00
test-ast.cc Zonify types in compiler frontend 2014-01-21 16:22:52 +00:00
test-bignum-dtoa.cc Fix X64 compilation on Windows. 2011-02-03 11:13:04 +00:00
test-bignum.cc Bignum implementation of Strtod. 2010-11-08 11:49:47 +00:00
test-circular-queue.cc Rename some of SamplingCircularQueue methods 2013-09-05 10:31:18 +00:00
test-code-stubs-arm.cc Drop IsPregenerated() and allow_stub_calls flag. 2013-11-29 20:49:15 +00:00
test-code-stubs-ia32.cc Drop IsPregenerated() and allow_stub_calls flag. 2013-11-29 20:49:15 +00:00
test-code-stubs-mips.cc MIPS: Add missing cctests of DoubleToIStub (r16322). 2014-01-22 13:44:00 +00:00
test-code-stubs-x64.cc Drop IsPregenerated() and allow_stub_calls flag. 2013-11-29 20:49:15 +00:00
test-code-stubs.cc Fix NaCl build after r16322. 2013-08-26 13:37:01 +00:00
test-code-stubs.h Arm support for DoubleToIStub (truncating). 2013-08-26 12:24:03 +00:00
test-compiler.cc Update Isolate::RequestGarbageCollection after r18691 2014-01-20 15:44:03 +00:00
test-condition-variable.cc Improve cctest/test-condition-variable. 2013-09-03 11:27:02 +00:00
test-constantpool.cc Out-of-line constant pool on Arm: Stage 2 - Introduce ConstantPoolArray object. 2013-10-14 13:35:06 +00:00
test-conversions.cc Add support for explicit octal and binary integer literals 2013-07-19 09:57:35 +00:00
test-cpu-ia32.cc Fix the CPU feature detection. 2013-08-26 09:37:39 +00:00
test-cpu-profiler.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
test-cpu-x64.cc Fix the CPU feature detection. 2013-08-26 09:37:39 +00:00
test-cpu.cc Replace OS::NumberOfCores() with CPU::NumberOfProcessorsOnline(). 2013-08-28 12:32:56 +00:00
test-dataflow.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-date.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-debug.cc Remove CallICs 2014-01-31 16:52:17 +00:00
test-declarative-accessors.cc Revert r18451 "Revert r18449 "Reland r18383: More API cleanup." and r18450 "Unbreak build."" since necessary WebKit changes are rolled in Chromium. 2014-01-03 14:31:17 +00:00
test-decls.cc Revert r18451 "Revert r18449 "Reland r18383: More API cleanup." and r18450 "Unbreak build."" since necessary WebKit changes are rolled in Chromium. 2014-01-03 14:31:17 +00:00
test-deoptimization.cc Remove usage of deprecated APIs from cctests 2013-11-22 12:43:17 +00:00
test-dictionary.cc Remove calls to JSObject::SetLocalPropertyIgnoreAttributesTrampoline within objects.cc 2013-11-05 11:47:11 +00:00
test-disasm-arm.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-disasm-ia32.cc [x64] add disasm for two fp instructions 2014-02-03 08:13:12 +00:00
test-disasm-mips.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-disasm-x64.cc [x64] add disasm for two fp instructions 2014-02-03 08:13:12 +00:00
test-diy-fp.cc Add missing license headers. 2013-03-07 11:12:26 +00:00
test-double.cc Keep two empty lines between declarations for cpp files 2013-07-05 09:52:11 +00:00
test-dtoa.cc Fix compilation on 64-bit Windows, update Visual Studio projects. 2011-02-03 13:29:10 +00:00
test-fast-dtoa.cc Add missing license headers. 2013-03-07 11:12:26 +00:00
test-fixed-dtoa.cc Dtoa for fixed notation. 2010-05-05 13:51:27 +00:00
test-flags.cc Add flags to force or prevent setting of isolate.is_memory_constrained. 2013-09-17 13:48:17 +00:00
test-func-name-inference.cc Replace 'operator*' with explicit 'get' method on SmartPointer 2013-12-09 07:41:20 +00:00
test-global-handles.cc Revert r18451 "Revert r18449 "Reland r18383: More API cleanup." and r18450 "Unbreak build."" since necessary WebKit changes are rolled in Chromium. 2014-01-03 14:31:17 +00:00
test-global-object.cc Revert r18451 "Revert r18449 "Reland r18383: More API cleanup." and r18450 "Unbreak build."" since necessary WebKit changes are rolled in Chromium. 2014-01-03 14:31:17 +00:00
test-hashing.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-hashmap.cc Make the hash map test run faster by doing less work. 2009-05-15 13:49:00 +00:00
test-heap-profiler.cc Add Box object to heap profiler. 2014-02-04 11:43:19 +00:00
test-heap.cc Remove CallICs 2014-01-31 16:52:17 +00:00
test-libplatform-task-queue.cc [platform] Implement a worker pool 2013-12-20 07:52:58 +00:00
test-libplatform-worker-thread.cc [platform] Implement a worker pool 2013-12-20 07:52:58 +00:00
test-libplatform.h [platform] Implement a worker pool 2013-12-20 07:52:58 +00:00
test-list.cc revert thread isolate in PreallocatedStorageAllocationPolicy 2013-09-02 11:39:23 +00:00
test-liveedit.cc bulk replace Isolate::Current in tests 2013-09-19 09:17:13 +00:00
test-lockers.cc Remove usage of deprecated APIs from cctests 2013-11-22 12:43:17 +00:00
test-log-stack-tracer.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
test-log.cc Use std:: on symbols declared in C++-style C headers. 2014-01-14 09:57:05 +00:00
test-macro-assembler-arm.cc Drop IsPregenerated() and allow_stub_calls flag. 2013-11-29 20:49:15 +00:00
test-macro-assembler-ia32.cc Drop IsPregenerated() and allow_stub_calls flag. 2013-11-29 20:49:15 +00:00
test-macro-assembler-mips.cc MIPS: Fixed a bug in CopyBytes() and new test cases for MIPS macro assembler. 2013-09-23 19:38:54 +00:00
test-macro-assembler-x64.cc Refactor loading a pointer into a register instruction for X64 2014-01-08 07:02:02 +00:00
test-mark-compact.cc Remove Heap::MaxRegularSpaceAllocationSize and use Page::MaxRegularHeapObjectSize instead. 2014-01-23 13:02:27 +00:00
test-mementos.cc Added a test which installs a poisonous memento right after the new space top pointer. 2014-02-04 12:10:30 +00:00
test-microtask-delivery.cc Implement Microtask Delivery Queue 2014-02-04 19:58:49 +00:00
test-mutex.cc Cleanup Mutex and related classes. 2013-08-29 09:58:30 +00:00
test-object-observe.cc Prepare removal of ObjectTemplate::New without Isolate parameter. 2014-01-08 06:53:31 +00:00
test-parsing.cc Test for miscellaneous (pre)parse errors. 2014-02-05 08:38:26 +00:00
test-platform-linux.cc Revert r16648, r16641, r16638 and r16637. 2013-09-11 18:30:01 +00:00
test-platform-macos.cc Add missing license headers. 2013-03-07 11:12:26 +00:00
test-platform-tls.cc Keep two empty lines between declarations for cpp files 2013-07-05 09:52:11 +00:00
test-platform-win32.cc Revert r16648, r16641, r16638 and r16637. 2013-09-11 18:30:01 +00:00
test-platform.cc Prepare removal of ObjectTemplate::New without Isolate parameter. 2014-01-08 06:53:31 +00:00
test-profile-generator.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
test-random-number-generator.cc Fix clang C++11 compiler warning. 2013-09-10 13:39:53 +00:00
test-regexp.cc Replace 'operator*' with explicit 'get' method on SmartPointer 2013-12-09 07:41:20 +00:00
test-reloc-info.cc Replace 'operator*' with explicit 'get' method on SmartPointer 2013-12-09 07:41:20 +00:00
test-representation.cc Generate TypedArrayInitialize builtin in hydrogen. 2013-11-25 14:41:46 +00:00
test-semaphore.cc Fix Mac llvm-gcc42 build after commit r16473. 2013-09-02 12:36:08 +00:00
test-serialize.cc Remove usage of deprecated APIs from cctests 2013-11-22 12:43:17 +00:00
test-socket.cc Cleanup Socket class and remove it from the platform files. 2013-09-04 10:41:51 +00:00
test-spaces.cc Remove Heap::MaxRegularSpaceAllocationSize and use Page::MaxRegularHeapObjectSize instead. 2014-01-23 13:02:27 +00:00
test-strings.cc More cctest fixes regarding lifetime/ownership. 2014-02-03 07:29:23 +00:00
test-strtod.cc Fix MSVC compiler warning after commit r16612. 2013-09-10 11:33:14 +00:00
test-symbols.cc remove HEAP from tests 2013-09-19 09:46:15 +00:00
test-thread-termination.cc Prepare removal of ObjectTemplate::New without Isolate parameter. 2014-01-08 06:53:31 +00:00
test-threads.cc Remove usage of deprecated APIs from cctests 2013-11-22 12:43:17 +00:00
test-time.cc Use std:: on symbols declared in C++-style C headers. 2014-01-14 09:57:05 +00:00
test-types.cc don't anger clang 2014-01-27 10:06:37 +00:00
test-unbound-queue.cc Make sure files end with exactly one new line and police this in presubmit. 2013-11-22 13:50:39 +00:00
test-unique.cc Make sure files end with exactly one new line and police this in presubmit. 2013-11-22 13:50:39 +00:00
test-utils.cc Remove unused function MoveBytes(). 2013-10-28 09:59:15 +00:00
test-version.cc Update V8 to version 3.0 (re-land r5920). 2010-12-07 11:31:57 +00:00
test-weakmaps.cc Remove all stuff marked as V8_DEPRECATED. 2013-12-18 08:09:37 +00:00
test-weaksets.cc Remove all stuff marked as V8_DEPRECATED. 2013-12-18 08:09:37 +00:00
test-weaktypedarrays.cc Mark deprecated APIs with relatively little use as deprecated 2013-11-28 08:21:26 +00:00
testcfg.py Remove SCons related files 2013-04-18 11:01:14 +00:00
trace-extension.cc Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00
trace-extension.h Various extension-related cleanup and simplifications. 2014-01-17 10:52:00 +00:00