15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/stack_trace.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sstream> 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace debug { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)StackTrace::StackTrace(const void* const* trace, size_t count) { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) count = std::min(count, arraysize(trace_)); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (count) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(trace_, trace, count * sizeof(trace_[0])); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) count_ = count; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)StackTrace::~StackTrace() { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const void *const *StackTrace::Addresses(size_t* count) const { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *count = count_; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (count_) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return trace_; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string StackTrace::ToString() const { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::stringstream stream; 36c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#if !defined(__UCLIBC__) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OutputToStream(&stream); 38c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#endif 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return stream.str(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace debug 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 44