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Refactor some bits of StackWalkerX86 / StackFrameX86 out into their respective parent classes so they can be used by other architecture implementations.

Browse source 
R=jimb at http://breakpad.appspot.com/205001/show

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@703 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2010-10-01 13:01:57 +00:00
parent de2c055770
commit 8c33b3e9c9
13 changed files with 118 additions and 113 deletions
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33
src/processor/minidump_stackwalk.cc
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@ -146,7 +146,7 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
int sequence = 0;
if (cpu == "x86") {
const StackFrameX86 *frame_x86 =
reinterpret_cast<const StackFrameX86*>(frame);
reinterpret_cast<const StackFrameX86*>(frame);
if (frame_x86->context_validity & StackFrameX86::CONTEXT_VALID_EIP)
sequence = PrintRegister("eip", frame_x86->context.eip, sequence);
@ -166,32 +166,9 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
sequence = PrintRegister("edx", frame_x86->context.edx, sequence);
sequence = PrintRegister("efl", frame_x86->context.eflags, sequence);
}
const char *trust_name;
switch (frame_x86->trust) {
default:
case StackFrameX86::FRAME_TRUST_NONE:
trust_name = "unknown";
break;
case StackFrameX86::FRAME_TRUST_CONTEXT:
trust_name = "given as instruction pointer in context";
break;
case StackFrameX86::FRAME_TRUST_CFI:
trust_name = "call frame info";
break;
case StackFrameX86::FRAME_TRUST_CFI_SCAN:
trust_name = "call frame info with scanning";
break;
case StackFrameX86::FRAME_TRUST_FP:
trust_name = "previous frame's frame pointer";
break;
case StackFrameX86::FRAME_TRUST_SCAN:
trust_name = "stack scanning";
break;
}
printf("\n Found by: %s", trust_name);
} else if (cpu == "ppc") {
const StackFramePPC *frame_ppc =
reinterpret_cast<const StackFramePPC*>(frame);
reinterpret_cast<const StackFramePPC*>(frame);
if (frame_ppc->context_validity & StackFramePPC::CONTEXT_VALID_SRR0)
sequence = PrintRegister("srr0", frame_ppc->context.srr0, sequence);
@ -219,7 +196,7 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
sequence = PrintRegister("rbp", frame_amd64->context.rbp, sequence);
} else if (cpu == "sparc") {
const StackFrameSPARC *frame_sparc =
reinterpret_cast<const StackFrameSPARC*>(frame);
reinterpret_cast<const StackFrameSPARC*>(frame);
if (frame_sparc->context_validity & StackFrameSPARC::CONTEXT_VALID_SP)
sequence = PrintRegister("sp", frame_sparc->context.g_r[14], sequence);
@ -229,7 +206,7 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
sequence = PrintRegister("pc", frame_sparc->context.pc, sequence);
} else if (cpu == "arm") {
const StackFrameARM *frame_arm =
reinterpret_cast<const StackFrameARM*>(frame);
reinterpret_cast<const StackFrameARM*>(frame);
// General-purpose callee-saves registers.
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_R4)
@ -257,7 +234,7 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
if (frame_arm->context_validity & StackFrameARM::CONTEXT_VALID_PC)
sequence = PrintRegister("pc", frame_arm->context.iregs[15], sequence);
}
printf("\n");
printf("\n Found by: %s\n", frame->trust_description().c_str());
}
}