diff options
Diffstat (limited to 'third_party/glog/src/stacktrace_x86_64-inl.h')
| -rw-r--r-- | third_party/glog/src/stacktrace_x86_64-inl.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/third_party/glog/src/stacktrace_x86_64-inl.h b/third_party/glog/src/stacktrace_x86_64-inl.h deleted file mode 100644 index f7d1dca85b..0000000000 --- a/third_party/glog/src/stacktrace_x86_64-inl.h +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright (c) 2005 - 2007, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Arun Sharma -// -// Produce stack trace using libgcc - -extern "C" { -#include <stdlib.h> // for NULL -#include <unwind.h> // ABI defined unwinder -} -#include "stacktrace.h" - -_START_GOOGLE_NAMESPACE_ - -typedef struct { - void **result; - int max_depth; - int skip_count; - int count; -} trace_arg_t; - - -// Workaround for the malloc() in _Unwind_Backtrace() issue. -static _Unwind_Reason_Code nop_backtrace(struct _Unwind_Context *uc, void *opq) { - return _URC_NO_REASON; -} - - -// This code is not considered ready to run until -// static initializers run so that we are guaranteed -// that any malloc-related initialization is done. -static bool ready_to_run = false; -class StackTraceInit { - public: - StackTraceInit() { - // Extra call to force initialization - _Unwind_Backtrace(nop_backtrace, NULL); - ready_to_run = true; - } -}; - -static StackTraceInit module_initializer; // Force initialization - -static _Unwind_Reason_Code GetOneFrame(struct _Unwind_Context *uc, void *opq) { - trace_arg_t *targ = (trace_arg_t *) opq; - - if (targ->skip_count > 0) { - targ->skip_count--; - } else { - targ->result[targ->count++] = (void *) _Unwind_GetIP(uc); - } - - if (targ->count == targ->max_depth) - return _URC_END_OF_STACK; - - return _URC_NO_REASON; -} - -// If you change this function, also change GetStackFrames below. -int GetStackTrace(void** result, int max_depth, int skip_count) { - if (!ready_to_run) - return 0; - - trace_arg_t targ; - - skip_count += 1; // Do not include the "GetStackTrace" frame - - targ.result = result; - targ.max_depth = max_depth; - targ.skip_count = skip_count; - targ.count = 0; - - _Unwind_Backtrace(GetOneFrame, &targ); - - return targ.count; -} - -_END_GOOGLE_NAMESPACE_ |