5a8de8a37e
- 5e874e644191fbf99f5636d6303de2b28b23392c Adds a absl::apply function, similar to c++17's std::apply. by Abseil Team <absl-team@google.com> - 16373c438d16a09725dace03ab7ba0f7c2337279 Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com> - a623257aaaff8a5fba3377f34f92f319a104e444 Update absl::CondVar documentation in response to GitHub ... by Derek Mauro <dmauro@google.com> - 87d58a25bc4ecd46165dd1c417121c86cbc07be0 Add assert against uint128 negative bit shift undefined b... by Alex Strelnikov <strel@google.com> - af155c0d2a3556b56a9bcd6f9ee7416277185df8 Fix comment typos. by Abseil Team <absl-team@google.com> - 1824ae832eb75d447dea730b5968d952897e135a Rollback of: Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com> - 97318f087ce63dd5acf1e0d3d697cd90a7d6ebfd Add debugging_internal::StackTraceWorksForTest by Abseil Team <absl-team@google.com> - 9dd1d17dca17f0ded3bda336b7521fd57d08a5cc Move log_severity.h out of internal. by Abseil Team <absl-team@google.com> - 2212bb56b1a8365d2303ff0983441298d08444e5 Internal change. by Alex Strelnikov <strel@google.com> GitOrigin-RevId: 5e874e644191fbf99f5636d6303de2b28b23392c Change-Id: Ic270393ac1f15866afb64617d28269cd829030f6
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2000 - 2007 Google Inc.
|
|
// All rights reserved.
|
|
//
|
|
// Author: Sanjay Ghemawat
|
|
//
|
|
// Portable implementation - just use glibc
|
|
//
|
|
// Note: The glibc implementation may cause a call to malloc.
|
|
// This can cause a deadlock in HeapProfiler.
|
|
|
|
#ifndef ABSL_DEBUGGING_INTERNAL_STACKTRACE_GENERIC_INL_H_
|
|
#define ABSL_DEBUGGING_INTERNAL_STACKTRACE_GENERIC_INL_H_
|
|
|
|
#include <execinfo.h>
|
|
#include <cstring>
|
|
|
|
#include "absl/debugging/stacktrace.h"
|
|
|
|
template <bool IS_STACK_FRAMES, bool IS_WITH_CONTEXT>
|
|
static int UnwindImpl(void** result, int* sizes, int max_depth, int skip_count,
|
|
const void *ucp, int *min_dropped_frames) {
|
|
static const int kStackLength = 64;
|
|
void * stack[kStackLength];
|
|
int size;
|
|
|
|
size = backtrace(stack, kStackLength);
|
|
skip_count++; // we want to skip the current frame as well
|
|
int result_count = size - skip_count;
|
|
if (result_count < 0)
|
|
result_count = 0;
|
|
if (result_count > max_depth)
|
|
result_count = max_depth;
|
|
for (int i = 0; i < result_count; i++)
|
|
result[i] = stack[i + skip_count];
|
|
|
|
if (IS_STACK_FRAMES) {
|
|
// No implementation for finding out the stack frame sizes yet.
|
|
memset(sizes, 0, sizeof(*sizes) * result_count);
|
|
}
|
|
if (min_dropped_frames != nullptr) {
|
|
if (size - skip_count - max_depth > 0) {
|
|
*min_dropped_frames = size - skip_count - max_depth;
|
|
} else {
|
|
*min_dropped_frames = 0;
|
|
}
|
|
}
|
|
|
|
return result_count;
|
|
}
|
|
|
|
namespace absl {
|
|
namespace debugging_internal {
|
|
bool StackTraceWorksForTest() {
|
|
return true;
|
|
}
|
|
} // namespace debugging_internal
|
|
} // namespace absl
|
|
|
|
#endif // ABSL_DEBUGGING_INTERNAL_STACKTRACE_GENERIC_INL_H_
|