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Fix for a possible bug in RegExp stack guard.

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Review URL: http://codereview.chromium.org/7744051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9058 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2011-08-29 13:04:33 +00:00
parent 5262061eac
commit 596daba583
3 changed files with 3 additions and 3 deletions
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2
src/arm/regexp-macro-assembler-arm.cc
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@ -1049,7 +1049,7 @@ int RegExpMacroAssemblerARM::CheckStackGuardState(Address* return_address,
MaybeObject* result = Execution::HandleStackGuardInterrupt();
if (*code_handle != re_code) { // Return address no longer valid
int delta = *code_handle - re_code;
int delta = code_handle->address() - re_code->address();
// Overwrite the return address on the stack.
*return_address += delta;
}

2
src/ia32/regexp-macro-assembler-ia32.cc
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@ -1080,7 +1080,7 @@ int RegExpMacroAssemblerIA32::CheckStackGuardState(Address* return_address,
MaybeObject* result = Execution::HandleStackGuardInterrupt();
if (*code_handle != re_code) { // Return address no longer valid
int delta = *code_handle - re_code;
int delta = code_handle->address() - re_code->address();
// Overwrite the return address on the stack.
*return_address += delta;
}

2
src/x64/regexp-macro-assembler-x64.cc
View File

@ -1185,7 +1185,7 @@ int RegExpMacroAssemblerX64::CheckStackGuardState(Address* return_address,
MaybeObject* result = Execution::HandleStackGuardInterrupt();
if (*code_handle != re_code) { // Return address no longer valid
intptr_t delta = *code_handle - re_code;
intptr_t delta = code_handle->address() - re_code->address();
// Overwrite the return address on the stack.
*return_address += delta;
}