57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_DEBUG_PROC_MAPS_LINUX_H_
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#define BASE_DEBUG_PROC_MAPS_LINUX_H_
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#include <string>
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#include <vector>
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#include "base/base_export.h"
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#include "base/basictypes.h"
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namespace base {
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namespace debug {
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// Describes a region of mapped memory and the path of the file mapped.
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struct MappedMemoryRegion {
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enum Permission {
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READ = 1 << 0,
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WRITE = 1 << 1,
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EXECUTE = 1 << 2,
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PRIVATE = 1 << 3, // If set, region is private, otherwise it is shared.
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};
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// The address range [start,end) of mapped memory.
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uintptr_t start;
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uintptr_t end;
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// Byte offset into |path| of the range mapped into memory.
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unsigned long long offset;
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// Bitmask of read/write/execute/private/shared permissions.
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uint8 permissions;
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// Name of the file mapped into memory.
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//
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// NOTE: path names aren't guaranteed to point at valid files. For example,
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// "[heap]" and "[stack]" are used to represent the location of the process'
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// heap and stack, respectively.
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std::string path;
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};
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// Reads the data from /proc/self/maps and stores the result in |proc_maps|.
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// Returns true if successful, false otherwise.
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BASE_EXPORT bool ReadProcMaps(std::string* proc_maps);
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// Parses /proc/<pid>/maps input data and stores in |regions|. Returns true
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// and updates |regions| if and only if all of |input| was successfully parsed.
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BASE_EXPORT bool ParseProcMaps(const std::string& input,
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std::vector<MappedMemoryRegion>* regions);
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} // namespace debug
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} // namespace base
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#endif // BASE_DEBUG_PROC_MAPS_LINUX_H_
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