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- // Copyright (c) 2021 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.
- #include "base/debug/debugger.h"
- #include <lib/zx/process.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <zircon/process.h>
- #include <zircon/syscalls.h>
- #include "base/debug/alias.h"
- namespace base {
- namespace debug {
- bool BeingDebugged() {
- zx_info_process_t info = {};
- // Ignore failures. The 0-initialization above will result in "false" for
- // error cases.
- zx::process::self()->get_info(ZX_INFO_PROCESS, &info, sizeof(info),
- nullptr, nullptr);
- return (info.flags & ZX_INFO_PROCESS_FLAG_DEBUGGER_ATTACHED) != 0;
- }
- void BreakDebuggerAsyncSafe() {
- // NOTE: This code MUST be async-signal safe (it's used by in-process
- // stack dumping signal handler). NO malloc or stdio is allowed here.
- // Linker's ICF feature may merge this function with other functions with the
- // same definition (e.g. any function whose sole job is to call abort()) and
- // it may confuse the crash report processing system. http://crbug.com/508489
- static int static_variable_to_make_this_function_unique = 0;
- Alias(&static_variable_to_make_this_function_unique);
- abort();
- }
- void VerifyDebugger() {}
- } // namespace debug
- } // namespace base
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