mirror of
https://github.com/abseil/abseil-cpp.git
synced 2026-06-07 13:54:29 +08:00
6c8dab80c0
-- f3ac7ee28fc7de737bc9e2e1d10ff7739781d645 by Gennadiy Rozental <rogeeff@google.com>: Internal change PiperOrigin-RevId: 435739199 Change-Id: I8f854b742418a237f9060e4b9f23d0f20baf0bdf -- fe1329708cb40da8e72e53e4eaad79112bdb79ea by Abseil Team <absl-team@google.com>: Port SwissTable internals comments from github.com/google/cwisstable to Abseil. PiperOrigin-RevId: 435719801 Change-Id: I2270cc93aaa5d3d57954a8cea7e570b72b6c3956 -- a6e6fcd4b944ce370ac3307e848645c27bf21e47 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 435716325 Change-Id: I77999f69e176ee6c0d18e7c3329a7c336164f0fc GitOrigin-RevId: f3ac7ee28fc7de737bc9e2e1d10ff7739781d645
65 lines
2.5 KiB
C++
65 lines
2.5 KiB
C++
//
|
|
// Copyright 2018 The Abseil Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
#ifndef ABSL_DEBUGGING_INTERNAL_EXAMINE_STACK_H_
|
|
#define ABSL_DEBUGGING_INTERNAL_EXAMINE_STACK_H_
|
|
|
|
#include "absl/base/config.h"
|
|
|
|
namespace absl {
|
|
ABSL_NAMESPACE_BEGIN
|
|
namespace debugging_internal {
|
|
|
|
// Type of function used for printing in stack trace dumping, etc.
|
|
// We avoid closures to keep things simple.
|
|
typedef void OutputWriter(const char*, void*);
|
|
|
|
// RegisterDebugStackTraceHook() allows to register a single routine
|
|
// `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);
|
|
|
|
// Registration of SymbolizeUrlEmitter for use inside of a signal handler.
|
|
// This is inherently unsafe and must be signal safe code.
|
|
void RegisterDebugStackTraceHook(SymbolizeUrlEmitter hook);
|
|
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* const vuc);
|
|
|
|
// Uses `writer` to dump the program counter, stack trace, and stack
|
|
// frame sizes.
|
|
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
|
|
} // namespace absl
|
|
|
|
#endif // ABSL_DEBUGGING_INTERNAL_EXAMINE_STACK_H_
|