57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
|
// 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.
|
||
|
|
|
||
|
|
#ifndef BASE_DEBUG_PROC_MAPS_LINUX_H_
|
||
|
|
#define BASE_DEBUG_PROC_MAPS_LINUX_H_
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include "base/base_export.h"
|
||
|
|
#include "base/basictypes.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
namespace debug {
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
uintptr_t start;
|
||
|
|
uintptr_t end;
|
||
|
|
|
||
|
|
// Byte offset into |path| of the range mapped into memory.
|
||
|
|
unsigned long long offset;
|
||
|
|
|
||
|
|
// Bitmask of read/write/execute/private/shared permissions.
|
||
|
|
uint8 permissions;
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
std::string path;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Reads the data from /proc/self/maps and stores the result in |proc_maps|.
|
||
|
|
// Returns true if successful, false otherwise.
|
||
|
|
BASE_EXPORT bool ReadProcMaps(std::string* proc_maps);
|
||
|
|
|
||
|
|
// 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.
|
||
|
|
BASE_EXPORT bool ParseProcMaps(const std::string& input,
|
||
|
|
std::vector<MappedMemoryRegion>* regions);
|
||
|
|
|
||
|
|
} // namespace debug
|
||
|
|
} // namespace base
|
||
|
|
|
||
|
|
#endif // BASE_DEBUG_PROC_MAPS_LINUX_H_
|