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minidump_stackwalk: Show argument registers for ARM stack traces

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Patch by Michael Krebs <mkrebs@chromium.org>, R=ted at https://breakpad.appspot.com/497002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1108 4c0a9323-5329-0410-9bdc-e9ce6186880e
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ted.mielczarek@gmail.com 2013-01-31 19:49:03 +00:00
parent 015e79275e
commit 52925cb9b3
1 changed files with 11 additions and 0 deletions
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11
src/processor/minidump_stackwalk.cc
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@ -233,6 +233,17 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
const StackFrameARM *frame_arm =
reinterpret_cast<const StackFrameARM*>(frame);
// Argument registers (caller-saves), which will likely only be valid
// for the youngest frame.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R0)
sequence = PrintRegister("r0", frame_arm->context.iregs[0], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R1)
sequence = PrintRegister("r1", frame_arm->context.iregs[1], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R2)
sequence = PrintRegister("r2", frame_arm->context.iregs[2], sequence);
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R3)
sequence = PrintRegister("r3", frame_arm->context.iregs[3], sequence);
// General-purpose callee-saves registers.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R4)
sequence = PrintRegister("r4", frame_arm->context.iregs[4], sequence);