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Basic arm cpu support for processor. r=mark at http://breakpad.appspot.com/49011

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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@454 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2009-12-19 21:43:53 +00:00
parent 7a77f45f79
commit 9276b0d301
10 changed files with 469 additions and 9 deletions
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8
src/google_breakpad/processor/minidump.h
View file

@ -179,10 +179,11 @@ class MinidumpContext : public MinidumpStream {
// Returns raw CPU-specific context data for the named CPU type. If the
// context data does not match the CPU type or does not exist, returns
// NULL.
const MDRawContextX86* GetContextX86() const;
const MDRawContextPPC* GetContextPPC() const;
const MDRawContextAMD64* GetContextAMD64() const;
const MDRawContextARM* GetContextARM() const;
const MDRawContextPPC* GetContextPPC() const;
const MDRawContextSPARC* GetContextSPARC() const;
const MDRawContextX86* GetContextX86() const;
// Print a human-readable representation of the object to stdout.
void Print();
@ -216,7 +217,8 @@ class MinidumpContext : public MinidumpStream {
MDRawContextAMD64* amd64;
// on Solaris SPARC, sparc is defined as a numeric constant,
// so variables can NOT be named as sparc
MDRawContextSPARC* ctx_sparc;
MDRawContextSPARC* ctx_sparc;
MDRawContextARM* arm;
} context_;
};

27
src/google_breakpad/processor/stack_frame_cpu.h
View file

@ -168,6 +168,33 @@ struct StackFrameSPARC : public StackFrame {
int context_validity;
};
struct StackFrameARM : public StackFrame {
// ContextValidity should eventually contain entries for the validity of
// other nonvolatile (callee-save) registers as in
// StackFrameX86::ContextValidity. I suspect this list is sufficient
// for arm stackwalking.
enum ContextValidity {
CONTEXT_VALID_NONE = 0,
CONTEXT_VALID_R13 = 1 << 0,
CONTEXT_VALID_R14 = 1 << 1,
CONTEXT_VALID_R15 = 1 << 2,
CONTEXT_VALID_ALL = -1
};
StackFrameARM() : context(), context_validity(CONTEXT_VALID_NONE) {}
// Register state. This is only fully valid for the topmost frame in a
// stack. In other frames, the values of nonvolatile registers may be
// present, given sufficient debugging information. Refer to
// context_validity.
MDRawContextARM context;
// context_validity is actually ContextValidity, but int is used because
// the OR operator doesn't work well with enumerated types. This indicates
// which fields in context are valid.
int context_validity;
};
} // namespace google_breakpad
#endif // GOOGLE_BREAKPAD_PROCESSOR_STACK_FRAME_CPU_H__