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* Updated breakpad to latest version.

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This commit is contained in:
Christian Muehlhaeuser
2012-06-24 18:25:34 +02:00
parent ffd2cee2ff
commit 6aae2dd96f
186 changed files with 9184 additions and 5835 deletions
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35
thirdparty/breakpad/processor/stackwalker_x86.cc vendored
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@@ -203,10 +203,37 @@ StackFrameX86 *StackwalkerX86::GetCallerByWindowsFrameInfo(
dictionary[".cbCalleeParams"] = last_frame_callee_parameter_size;
dictionary[".cbSavedRegs"] = last_frame_info->saved_register_size;
dictionary[".cbLocals"] = last_frame_info->local_size;
dictionary[".raSearchStart"] = last_frame->context.esp +
last_frame_callee_parameter_size +
last_frame_info->local_size +
last_frame_info->saved_register_size;
u_int32_t raSearchStart = last_frame->context.esp +
last_frame_callee_parameter_size +
last_frame_info->local_size +
last_frame_info->saved_register_size;
u_int32_t raSearchStartOld = raSearchStart;
u_int32_t found = 0; // dummy value
// Scan up to three words above the calculated search value, in case
// the stack was aligned to a quadword boundary.
if (ScanForReturnAddress(raSearchStart, &raSearchStart, &found, 3) &&
last_frame->trust == StackFrame::FRAME_TRUST_CONTEXT &&
last_frame->windows_frame_info != NULL &&
last_frame_info->type_ == WindowsFrameInfo::STACK_INFO_FPO &&
raSearchStartOld == raSearchStart &&
found == last_frame->context.eip) {
// The context frame represents an FPO-optimized Windows system call.
// On the top of the stack we have a pointer to the current instruction.
// This means that the callee has returned but the return address is still
// on the top of the stack which is very atypical situaltion.
// Skip one slot from the stack and do another scan in order to get the
// actual return address.
raSearchStart += 4;
ScanForReturnAddress(raSearchStart, &raSearchStart, &found, 3);
}
// The difference between raSearch and raSearchStart is unknown,
// but making them the same seems to work well in practice.
dictionary[".raSearchStart"] = raSearchStart;
dictionary[".raSearch"] = raSearchStart;
dictionary[".cbParams"] = last_frame_info->parameter_size;
// Decide what type of program string to use. The program string is in