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Allow processing dumps with missing stack memory for some threads

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r=mkrebs at https://breakpad.appspot.com/413002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1077 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com
2012-11-06 16:50:01 +00:00
parent 66a21aad61
commit fc6f700bb5
16 changed files with 412 additions and 92 deletions
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6
src/processor/stackwalker_ppc.cc
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@@ -50,7 +50,7 @@ StackwalkerPPC::StackwalkerPPC(const SystemInfo* system_info,
StackFrameSymbolizer* resolver_helper)
: Stackwalker(system_info, memory, modules, resolver_helper),
context_(context) {
if (memory_->GetBase() + memory_->GetSize() - 1 > 0xffffffff) {
if (memory_ && memory_->GetBase() + memory_->GetSize() - 1 > 0xffffffff) {
// This implementation only covers 32-bit ppc CPUs. The limits of the
// supplied stack are invalid. Mark memory_ = NULL, which will cause
// stackwalking to fail.
@@ -63,8 +63,8 @@ StackwalkerPPC::StackwalkerPPC(const SystemInfo* system_info,
StackFrame* StackwalkerPPC::GetContextFrame() {
if (!context_ || !memory_) {
BPLOG(ERROR) << "Can't get context frame without context or memory";
if (!context_) {
BPLOG(ERROR) << "Can't get context frame without context";
return NULL;
}