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Code Issues Releases Wiki Activity

Update breakpad to make it work with MinGW

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This commit is contained in:
Dominik Schmidt
2014-04-14 19:23:44 +02:00
parent c912b76c49
commit b4f05b0831
1049 changed files with 57520 additions and 329083 deletions
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40
thirdparty/breakpad/processor/stackwalker_sparc.cc vendored
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@@ -43,24 +43,23 @@
namespace google_breakpad {
StackwalkerSPARC::StackwalkerSPARC(const SystemInfo *system_info,
const MDRawContextSPARC *context,
MemoryRegion *memory,
const CodeModules *modules,
SymbolSupplier *supplier,
SourceLineResolverInterface *resolver)
: Stackwalker(system_info, memory, modules, supplier, resolver),
StackwalkerSPARC::StackwalkerSPARC(const SystemInfo* system_info,
const MDRawContextSPARC* context,
MemoryRegion* memory,
const CodeModules* modules,
StackFrameSymbolizer* resolver_helper)
: Stackwalker(system_info, memory, modules, resolver_helper),
context_(context) {
}
StackFrame* StackwalkerSPARC::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;
}
StackFrameSPARC *frame = new StackFrameSPARC();
StackFrameSPARC* frame = new StackFrameSPARC();
// The instruction pointer is stored directly in a register, so pull it
// straight out of the CPU context structure.
@@ -73,13 +72,14 @@ StackFrame* StackwalkerSPARC::GetContextFrame() {
}
StackFrame* StackwalkerSPARC::GetCallerFrame(const CallStack *stack) {
StackFrame* StackwalkerSPARC::GetCallerFrame(const CallStack* stack,
bool stack_scan_allowed) {
if (!memory_ || !stack) {
BPLOG(ERROR) << "Can't get caller frame without memory or stack";
return NULL;
}
StackFrameSPARC *last_frame = static_cast<StackFrameSPARC*>(
StackFrameSPARC* last_frame = static_cast<StackFrameSPARC*>(
stack->frames()->back());
// new: caller
@@ -87,38 +87,38 @@ StackFrame* StackwalkerSPARC::GetCallerFrame(const CallStack *stack) {
// %fp, %i6 and g_r[30] is the same, see minidump_format.h
// %sp, %o6 and g_r[14] is the same, see minidump_format.h
// %sp_new = %fp_old
// %fp_new = *(%fp_old + 32 + 32 - 8), where the callee's %i6
// %fp_new = *(%fp_old + 32 + 32 - 8), where the callee's %i6
// %pc_new = *(%fp_old + 32 + 32 - 4) + 8
// which is callee's %i7 plus 8
// A caller frame must reside higher in memory than its callee frames.
// Anything else is an error, or an indication that we've reached the
// end of the stack.
u_int64_t stack_pointer = last_frame->context.g_r[30];
uint64_t stack_pointer = last_frame->context.g_r[30];
if (stack_pointer <= last_frame->context.g_r[14]) {
return NULL;
}
u_int32_t instruction;
uint32_t instruction;
if (!memory_->GetMemoryAtAddress(stack_pointer + 60,
&instruction) || instruction <= 1) {
return NULL;
}
u_int32_t stack_base;
uint32_t stack_base;
if (!memory_->GetMemoryAtAddress(stack_pointer + 56,
&stack_base) || stack_base <= 1) {
return NULL;
}
StackFrameSPARC *frame = new StackFrameSPARC();
StackFrameSPARC* frame = new StackFrameSPARC();
frame->context = last_frame->context;
frame->context.g_r[14] = stack_pointer;
frame->context.g_r[30] = stack_base;
// frame->context.pc is the return address, which is 2 instruction
// past the branch that caused us to arrive at the callee, which are
// past the branch that caused us to arrive at the callee, which are
// a CALL instruction then a NOP instruction.
// frame_ppc->instruction to 8 less than that. Since all sparc
// instructions are 4 bytes wide, this is the address of the branch
@@ -131,7 +131,7 @@ StackFrame* StackwalkerSPARC::GetCallerFrame(const CallStack *stack) {
StackFrameSPARC::CONTEXT_VALID_SP |
StackFrameSPARC::CONTEXT_VALID_FP;
frame->trust = StackFrame::FRAME_TRUST_FP;
return frame;
}