36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
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#ifndef BACKTRACE_H
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#define BACKTRACE_H
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/* This API works like backtrace_pointers(), to retrieve a stack trace. */
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/* This contains the information necessary to backtrace a thread. */
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struct BacktraceContext
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{
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#if defined(LINUX)
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long eip, esp, ebp;
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pid_t pid;
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#endif
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};
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/* Initialize. This is optional. If not called explicitly, it will be
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* called as necessary. This may do things that are not safe to do in
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* crash conditions. */
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void InitializeBacktrace();
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/* Retrieve up to size-1 backtrace pointers in buf. The array will be
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* null-terminated. If ctx is NULL, retrieve the current backtrace; otherwise
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* retrieve a backtrace for the given context. (Not all backtracers may
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* support contexts.) */
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void GetBacktrace( const void **buf, size_t size, BacktraceContext *ctx = NULL );
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/* Set up a BacktraceContext to get a backtrace for a thread. ThreadID may
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* be the current thread. */
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int GetThreadBacktraceContext( int ThreadID, BacktraceContext *ctx );
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void GetCurrentBacktraceContext( BacktraceContext *ctx );
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#define BACKTRACE_METHOD_NOT_AVAILABLE ((void*) -1)
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#define BACKTRACE_SIGNAL_TRAMPOLINE ((void*) -2)
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#endif
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