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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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18
src/processor/stackwalker_amd64_unittest.cc
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@ -172,6 +172,24 @@ TEST_F(GetContextFrame, Simple) {
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
}
// The stackwalker should be able to produce the context frame even
// without stack memory present.
TEST_F(GetContextFrame, NoStackMemory) {
raw_context.rip = 0x40000000c0000200ULL;
raw_context.rbp = 0x8000000080000000ULL;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerAMD64 walker(&system_info, &raw_context, NULL, &modules,
&frame_symbolizer);
ASSERT_TRUE(walker.Walk(&call_stack));
frames = call_stack.frames();
ASSERT_GE(1U, frames->size());
StackFrameAMD64 *frame = static_cast<StackFrameAMD64 *>(frames->at(0));
// Check that the values from the original raw context made it
// through to the context in the stack frame.
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
}
class GetCallerFrame: public StackwalkerAMD64Fixture, public Test { };
TEST_F(GetCallerFrame, ScanWithoutSymbols) {