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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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18
src/google_breakpad/processor/stack_frame_cpu.h
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@ -70,23 +70,9 @@ struct StackFrameX86 : public StackFrame {
CONTEXT_VALID_ALL = -1
};
// Indicates how well we trust the instruction pointer we derived
// during stack walking. Since the stack walker can resort to
// stack scanning, we can wind up with dubious frames.
// In rough order of "trust metric".
enum FrameTrust {
FRAME_TRUST_NONE, // Unknown
FRAME_TRUST_SCAN, // Scanned the stack, found this
FRAME_TRUST_CFI_SCAN, // Scanned the stack using call frame info, found this
FRAME_TRUST_FP, // Derived from frame pointer
FRAME_TRUST_CFI, // Derived from call frame info
FRAME_TRUST_CONTEXT // Given as instruction pointer in a context
};
StackFrameX86()
: context(),
context_validity(CONTEXT_VALID_NONE),
trust(FRAME_TRUST_NONE),
windows_frame_info(NULL),
cfi_frame_info(NULL) {}
~StackFrameX86();
@ -101,10 +87,6 @@ struct StackFrameX86 : public StackFrame {
// the OR operator doesn't work well with enumerated types. This indicates
// which fields in context are valid.
int context_validity;
// Amount of trust the stack walker has in the instruction pointer
// of this frame.
FrameTrust trust;
// Any stack walking information we found describing this.instruction.
// These may be NULL if there is no such information for that address.