blob: 3045daa5f6c28daacc38040c60eda91fc2fe78cf [file] [log] [blame]
// Copyright (c) 2013 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 <string>
#include <vector>
#include "common/using_std_string.h"
#include "google_breakpad/common/breakpad_types.h"
namespace google_breakpad {
// Describes a region of mapped memory and the path of the file mapped.
struct MappedMemoryRegion {
enum Permission {
READ = 1 << 0,
WRITE = 1 << 1,
EXECUTE = 1 << 2,
PRIVATE = 1 << 3, // If set, region is private, otherwise it is shared.
// The address range [start,end) of mapped memory.
uint64_t start;
uint64_t end;
// Byte offset into |path| of the range mapped into memory.
uint64_t offset;
// Bitmask of read/write/execute/private/shared permissions.
uint8_t permissions;
// Major and minor devices.
uint8_t major_device;
uint8_t minor_device;
// Value of the inode.
uint64_t inode;
// Name of the file mapped into memory.
// NOTE: path names aren't guaranteed to point at valid files. For example,
// "[heap]" and "[stack]" are used to represent the location of the process'
// heap and stack, respectively.
string path;
// The line from /proc/<pid>/maps that this struct represents.
string line;
// Parses /proc/<pid>/maps input data and stores in |regions|. Returns true
// and updates |regions| if and only if all of |input| was successfully parsed.
bool ParseProcMaps(const string& input,
std::vector<MappedMemoryRegion>* regions);
} // namespace google_breakpad