mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
|
||
|
|
/* 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 ProcessedStack_h__
|
||
|
|
#define ProcessedStack_h__
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
namespace Telemetry {
|
||
|
|
|
||
|
|
// This class represents a stack trace and the modules referenced in that trace.
|
||
|
|
// It is designed to be easy to read and write to disk or network and doesn't
|
||
|
|
// include any logic on how to collect or read the information it stores.
|
||
|
|
class ProcessedStack
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ProcessedStack();
|
||
|
|
size_t GetStackSize() const;
|
||
|
|
size_t GetNumModules() const;
|
||
|
|
|
||
|
|
struct Frame
|
||
|
|
{
|
||
|
|
// The offset of this program counter in its module or an absolute pc.
|
||
|
|
uintptr_t mOffset;
|
||
|
|
// The index to pass to GetModule to get the module this program counter
|
||
|
|
// was in.
|
||
|
|
uint16_t mModIndex;
|
||
|
|
};
|
||
|
|
struct Module
|
||
|
|
{
|
||
|
|
// The file name, /foo/bar/libxul.so for example.
|
||
|
|
std::string mName;
|
||
|
|
|
||
|
|
// The address it was loaded to.
|
||
|
|
// FIXME: remove this once chrome hang has switched to using offsets.
|
||
|
|
uintptr_t mStart;
|
||
|
|
|
||
|
|
// The size of this mapping. May or may not be the entire file.
|
||
|
|
// FIXME: remove this. It was only used as a sanity check.
|
||
|
|
size_t mMappingSize;
|
||
|
|
// Windows specific fields. On other platforms they are 0/empty.
|
||
|
|
int mPdbAge;
|
||
|
|
std::string mPdbSignature;
|
||
|
|
std::string mPdbName;
|
||
|
|
|
||
|
|
bool operator==(const Module& other) const;
|
||
|
|
};
|
||
|
|
|
||
|
|
const Frame &GetFrame(unsigned aIndex) const;
|
||
|
|
void AddFrame(const Frame& aFrame);
|
||
|
|
const Module &GetModule(unsigned aIndex) const;
|
||
|
|
void AddModule(const Module& aFrame);
|
||
|
|
|
||
|
|
void Clear();
|
||
|
|
|
||
|
|
// FIXME: remove these once chrome hang has switched to using offsets.
|
||
|
|
bool HasModule(const Module &aModule) const;
|
||
|
|
void RemoveModule(unsigned aIndex);
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::vector<Module> mModules;
|
||
|
|
std::vector<Frame> mStack;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Get the current list of loaded modules, filter and pair it to the provided
|
||
|
|
// stack. We let the caller collect the stack since different callers have
|
||
|
|
// different needs (current thread X main thread, stopping the thread, etc).
|
||
|
|
// FIXME: remove the aRelative option once chrome hang has switched to using
|
||
|
|
// offsets.
|
||
|
|
ProcessedStack
|
||
|
|
GetStackAndModules(const std::vector<uintptr_t> &aPCs, bool aRelative);
|
||
|
|
|
||
|
|
} // namespace Telemetry
|
||
|
|
} // namespace mozilla
|
||
|
|
#endif // ProcessedStack_h__
|