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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef BASE_PROFILER_SHARED_LIBRARIES_H_
#define BASE_PROFILER_SHARED_LIBRARIES_H_
#include "BaseProfiler.h"
#ifndef MOZ_GECKO_PROFILER
# error Do not #include this header when MOZ_GECKO_PROFILER is not #defined.
#endif
#include <algorithm>
#include <stdint.h>
#include <stdlib.h>
#include <string>
#include <vector>
class SharedLibrary {
public:
SharedLibrary(uintptr_t aStart, uintptr_t aEnd, uintptr_t aOffset,
const std::string& aBreakpadId, const std::string& aCodeId,
const std::string& aModuleName, const std::string& aModulePath,
const std::string& aDebugName, const std::string& aDebugPath,
const std::string& aVersion, const char* aArch)
: mStart(aStart),
mEnd(aEnd),
mOffset(aOffset),
mBreakpadId(aBreakpadId),
mCodeId(aCodeId),
mModuleName(aModuleName),
mModulePath(aModulePath),
mDebugName(aDebugName),
mDebugPath(aDebugPath),
mVersion(aVersion),
mArch(aArch) {}
SharedLibrary(const SharedLibrary& aEntry)
: mStart(aEntry.mStart),
mEnd(aEntry.mEnd),
mOffset(aEntry.mOffset),
mBreakpadId(aEntry.mBreakpadId),
mCodeId(aEntry.mCodeId),
mModuleName(aEntry.mModuleName),
mModulePath(aEntry.mModulePath),
mDebugName(aEntry.mDebugName),
mDebugPath(aEntry.mDebugPath),
mVersion(aEntry.mVersion),
mArch(aEntry.mArch) {}
SharedLibrary& operator=(const SharedLibrary& aEntry) {
// Gracefully handle self assignment
if (this == &aEntry) return *this;
mStart = aEntry.mStart;
mEnd = aEntry.mEnd;
mOffset = aEntry.mOffset;
mBreakpadId = aEntry.mBreakpadId;
mCodeId = aEntry.mCodeId;
mModuleName = aEntry.mModuleName;
mModulePath = aEntry.mModulePath;
mDebugName = aEntry.mDebugName;
mDebugPath = aEntry.mDebugPath;
mVersion = aEntry.mVersion;
mArch = aEntry.mArch;
return *this;
}
bool operator==(const SharedLibrary& other) const {
return (mStart == other.mStart) && (mEnd == other.mEnd) &&
(mOffset == other.mOffset) && (mModuleName == other.mModuleName) &&
(mModulePath == other.mModulePath) &&
(mDebugName == other.mDebugName) &&
(mDebugPath == other.mDebugPath) &&
(mBreakpadId == other.mBreakpadId) && (mCodeId == other.mCodeId) &&
(mVersion == other.mVersion) && (mArch == other.mArch);
}
uintptr_t GetStart() const { return mStart; }
uintptr_t GetEnd() const { return mEnd; }
uintptr_t GetOffset() const { return mOffset; }
const std::string& GetBreakpadId() const { return mBreakpadId; }
const std::string& GetCodeId() const { return mCodeId; }
const std::string& GetModuleName() const { return mModuleName; }
const std::string& GetModulePath() const { return mModulePath; }
const std::string& GetDebugName() const { return mDebugName; }
const std::string& GetDebugPath() const { return mDebugPath; }
const std::string& GetVersion() const { return mVersion; }
const std::string& GetArch() const { return mArch; }
private:
SharedLibrary() : mStart{0}, mEnd{0}, mOffset{0} {}
uintptr_t mStart;
uintptr_t mEnd;
uintptr_t mOffset;
std::string mBreakpadId;
// A string carrying an identifier for a binary.
//
// All platforms have different formats:
// - Windows: The code ID for a Windows PE file.
// It's the PE timestamp and PE image size.
// - macOS: The code ID for a macOS / iOS binary (mach-O).
// It's the mach-O UUID without dashes and without the trailing 0 for the
// breakpad ID.
// - Linux/Android: The code ID for a Linux ELF file.
// It's the complete build ID, as hex string.
std::string mCodeId;
std::string mModuleName;
std::string mModulePath;
std::string mDebugName;
std::string mDebugPath;
std::string mVersion;
std::string mArch;
};
static bool CompareAddresses(const SharedLibrary& first,
const SharedLibrary& second) {
return first.GetStart() < second.GetStart();
}
class SharedLibraryInfo {
public:
static SharedLibraryInfo GetInfoForSelf();
#ifdef XP_WIN
static SharedLibraryInfo GetInfoFromPath(const wchar_t* aPath);
#endif
static void Initialize();
SharedLibraryInfo() {}
void AddSharedLibrary(SharedLibrary entry) { mEntries.push_back(entry); }
const SharedLibrary& GetEntry(size_t i) const { return mEntries[i]; }
SharedLibrary& GetMutableEntry(size_t i) { return mEntries[i]; }
// Removes items in the range [first, last)
// i.e. element at the "last" index is not removed
void RemoveEntries(size_t first, size_t last) {
mEntries.erase(mEntries.begin() + first, mEntries.begin() + last);
}
bool Contains(const SharedLibrary& searchItem) const {
return (mEntries.end() !=
std::find(mEntries.begin(), mEntries.end(), searchItem));
}
size_t GetSize() const { return mEntries.size(); }
void SortByAddress() {
std::sort(mEntries.begin(), mEntries.end(), CompareAddresses);
}
void Clear() { mEntries.clear(); }
private:
#ifdef XP_WIN
void AddSharedLibraryFromModuleInfo(const wchar_t* aModulePath,
mozilla::Maybe<HMODULE> aModule);
#endif
std::vector<SharedLibrary> mEntries;
};
#endif // BASE_PROFILER_SHARED_LIBRARIES_H_
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