diff options
Diffstat (limited to 'absl/debugging/internal/examine_stack.h')
| -rw-r--r-- | absl/debugging/internal/examine_stack.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/absl/debugging/internal/examine_stack.h b/absl/debugging/internal/examine_stack.h index 61f0056f..190af87f 100644 --- a/absl/debugging/internal/examine_stack.h +++ b/absl/debugging/internal/examine_stack.h @@ -31,7 +31,7 @@ typedef void OutputWriter(const char*, void*); // `hook` that is called each time DumpStackTrace() is called. // `hook` may be called from a signal handler. typedef void (*SymbolizeUrlEmitter)(void* const stack[], int depth, - OutputWriter writer, void* writer_arg); + OutputWriter* writer, void* writer_arg); // Registration of SymbolizeUrlEmitter for use inside of a signal handler. // This is inherently unsafe and must be signal safe code. @@ -41,14 +41,21 @@ SymbolizeUrlEmitter GetDebugStackTraceHook(); // Returns the program counter from signal context, or nullptr if // unknown. `vuc` is a ucontext_t*. We use void* to avoid the use of // ucontext_t on non-POSIX systems. -void* GetProgramCounter(void* vuc); +void* GetProgramCounter(void* const vuc); -// Uses `writerfn` to dump the program counter, stack trace, and stack +// Uses `writer` to dump the program counter, stack trace, and stack // frame sizes. -void DumpPCAndFrameSizesAndStackTrace( - void* pc, void* const stack[], int frame_sizes[], int depth, - int min_dropped_frames, bool symbolize_stacktrace, - void (*writerfn)(const char*, void*), void* writerfn_arg); +void DumpPCAndFrameSizesAndStackTrace(void* const pc, void* const stack[], + int frame_sizes[], int depth, + int min_dropped_frames, + bool symbolize_stacktrace, + OutputWriter* writer, void* writer_arg); + +// Dump current stack trace omitting the topmost `min_dropped_frames` stack +// frames. +void DumpStackTrace(int min_dropped_frames, int max_num_frames, + bool symbolize_stacktrace, OutputWriter* writer, + void* writer_arg); } // namespace debugging_internal ABSL_NAMESPACE_END |