forked from OSchip/llvm-project
67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
//===-- memprof_stack.h ----------------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of MemProfiler, a memory profiler.
|
|
//
|
|
// MemProf-private header for memprof_stack.cpp.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef MEMPROF_STACK_H
|
|
#define MEMPROF_STACK_H
|
|
|
|
#include "memprof_flags.h"
|
|
#include "memprof_thread.h"
|
|
#include "sanitizer_common/sanitizer_flags.h"
|
|
#include "sanitizer_common/sanitizer_stacktrace.h"
|
|
|
|
namespace __memprof {
|
|
|
|
static const u32 kDefaultMallocContextSize = 30;
|
|
|
|
void SetMallocContextSize(u32 size);
|
|
u32 GetMallocContextSize();
|
|
|
|
} // namespace __memprof
|
|
|
|
// NOTE: A Rule of thumb is to retrieve stack trace in the interceptors
|
|
// as early as possible (in functions exposed to the user), as we generally
|
|
// don't want stack trace to contain functions from MemProf internals.
|
|
|
|
#define GET_STACK_TRACE(max_size, fast) \
|
|
BufferedStackTrace stack; \
|
|
if (max_size <= 2) { \
|
|
stack.size = max_size; \
|
|
if (max_size > 0) { \
|
|
stack.top_frame_bp = GET_CURRENT_FRAME(); \
|
|
stack.trace_buffer[0] = StackTrace::GetCurrentPc(); \
|
|
if (max_size > 1) \
|
|
stack.trace_buffer[1] = GET_CALLER_PC(); \
|
|
} \
|
|
} else { \
|
|
stack.Unwind(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), nullptr, \
|
|
fast, max_size); \
|
|
}
|
|
|
|
#define GET_STACK_TRACE_FATAL_HERE \
|
|
GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
|
|
|
|
#define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true)
|
|
|
|
#define GET_STACK_TRACE_MALLOC \
|
|
GET_STACK_TRACE(GetMallocContextSize(), common_flags()->fast_unwind_on_malloc)
|
|
|
|
#define GET_STACK_TRACE_FREE GET_STACK_TRACE_MALLOC
|
|
|
|
#define PRINT_CURRENT_STACK() \
|
|
{ \
|
|
GET_STACK_TRACE_FATAL_HERE; \
|
|
stack.Print(); \
|
|
}
|
|
|
|
#endif // MEMPROF_STACK_H
|