mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// Copyright 2019 Google LLC. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// The sandbox2::StackTrace class provides static methods useful when analyzing
|
|
// call-stack of the process. It uses libunwind-ptrace, so the process must be
|
|
// in a stopped state to call those methods.
|
|
|
|
#ifndef SANDBOXED_API_SANDBOX2_STACK_TRACE_H__
|
|
#define SANDBOXED_API_SANDBOX2_STACK_TRACE_H__
|
|
|
|
#include <sys/types.h>
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "sandboxed_api/util/flag.h"
|
|
#include "sandboxed_api/sandbox2/mounts.h"
|
|
#include "sandboxed_api/sandbox2/policy.h"
|
|
#include "sandboxed_api/sandbox2/regs.h"
|
|
#include "sandboxed_api/sandbox2/unwind/unwind.pb.h"
|
|
|
|
// Exposed for testing only
|
|
ABSL_DECLARE_FLAG(bool, sandbox_libunwind_crash_handler);
|
|
|
|
namespace sandbox2 {
|
|
|
|
// Maximum depth of analyzed call stack.
|
|
constexpr size_t kDefaultMaxFrames = 200;
|
|
|
|
// Returns the stack-trace of the PID=pid, delimited by the delim argument.
|
|
std::string GetStackTrace(const Regs* regs, const Mounts& mounts,
|
|
const std::string& delim = " ");
|
|
|
|
// Similar to GetStackTrace() but without using the sandbox to isolate
|
|
// libunwind.
|
|
std::string UnsafeGetStackTrace(pid_t pid, const std::string& delim = " ");
|
|
|
|
} // namespace sandbox2
|
|
|
|
#endif // SANDBOXED_API_SANDBOX2_STACK_TRACE_H__
|