Move base to DEPS

base/debug/stack_trace.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef BASE_DEBUG_STACK_TRACE_H_
-#define BASE_DEBUG_STACK_TRACE_H_
-
-#include <iosfwd>
-#include <string>
-
-#include "base/base_export.h"
-#include "build/build_config.h"
-
-#if defined(OS_POSIX)
-#include <unistd.h>
-#endif
-
-namespace base {
-namespace debug {
-
-// Enables stack dump to console output on exception and signals.
-// When enabled, the process will quit immediately. This is meant to be used in
-// unit_tests only! This is not thread-safe: only call from main thread.
-BASE_EXPORT bool EnableInProcessStackDumping();
-
-// A different version of EnableInProcessStackDumping that also works for
-// sandboxed processes.  For more details take a look at the description
-// of EnableInProcessStackDumping.
-// Calling this function on Linux opens /proc/self/maps and caches its
-// contents. In DEBUG builds, this function also opens the object files that
-// are loaded in memory and caches their file descriptors (this cannot be
-// done in official builds because it has security implications).
-BASE_EXPORT bool EnableInProcessStackDumpingForSandbox();
-
-// A stacktrace can be helpful in debugging. For example, you can include a
-// stacktrace member in a object (probably around #ifndef NDEBUG) so that you
-// can later see where the given object was created from.
-class BASE_EXPORT StackTrace {
- public:
-  // Creates a stacktrace from the current location.
-  StackTrace();
-
-  // Creates a stacktrace from an existing array of instruction
-  // pointers (such as returned by Addresses()).  |count| will be
-  // trimmed to |kMaxTraces|.
-  StackTrace(const void* const* trace, size_t count);
-
-  // Copying and assignment are allowed with the default functions.
-
-  ~StackTrace();
-
-  // Gets an array of instruction pointer values. |*count| will be set to the
-  // number of elements in the returned array.
-  const void* const* Addresses(size_t* count) const;
-
-  // Prints the stack trace to stderr.
-  void Print() const;
-
-  // Resolves backtrace to symbols and write to stream (if supported).
-  void OutputToStream(std::ostream* os) const;
-
-  // Resolves backtrace to symbols and returns as string.
-  std::string ToString() const;
-
- private:
-  // From http://msdn.microsoft.com/en-us/library/bb204633.aspx,
-  // the sum of FramesToSkip and FramesToCapture must be less than 63,
-  // so set it to 62. Even if on POSIX it could be a larger value, it usually
-  // doesn't give much more information.
-  static const int kMaxTraces = 62;
-
-  void* trace_[kMaxTraces];
-
-  // The number of valid frames in |trace_|.
-  size_t count_;
-};
-
-namespace internal {
-
-#if defined(OS_POSIX) && !defined(OS_ANDROID)
-// POSIX doesn't define any async-signal safe function for converting
-// an integer to ASCII. We'll have to define our own version.
-// itoa_r() converts a (signed) integer to ASCII. It returns "buf", if the
-// conversion was successful or NULL otherwise. It never writes more than "sz"
-// bytes. Output will be truncated as needed, and a NUL character is always
-// appended.
-BASE_EXPORT char *itoa_r(intptr_t i,
-                         char *buf,
-                         size_t sz,
-                         int base,
-                         size_t padding);
-#endif  // defined(OS_POSIX) && !defined(OS_ANDROID)
-
-}  // namespace internal
-
-}  // namespace debug
-}  // namespace base
-
-#endif  // BASE_DEBUG_STACK_TRACE_H_