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8ce88d8953
A few function implementations that were missing, various switches for functions/functionality that didn't exist on XP, and far too long figuring out what exactly was wrong with SYSTEM_PROCESS_INFORMATION on x86 (the "alignment_for_x86" fields). R=mark@chromium.org BUG=crashpad:1, crashpad:50, chromium:531663 Review URL: https://codereview.chromium.org/1336823002 .
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_WIN_PROCESS_INFO_H_
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#define CRASHPAD_UTIL_WIN_PROCESS_INFO_H_
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#include <sys/types.h>
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#include <windows.h>
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#include <string>
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#include <vector>
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#include "base/basictypes.h"
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#include "util/misc/initialization_state_dcheck.h"
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#include "util/win/address_types.h"
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namespace crashpad {
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//! \brief Gathers information about a process given its `HANDLE`. This consists
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//! primarily of information stored in the Process Environment Block.
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class ProcessInfo {
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public:
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//! \brief Contains information about a module loaded into a process.
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struct Module {
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Module();
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~Module();
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//! \brief The pathname used to load the module from disk.
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std::wstring name;
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//! \brief The base address of the loaded DLL.
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WinVMAddress dll_base;
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//! \brief The size of the module.
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WinVMSize size;
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//! \brief The module's timestamp.
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time_t timestamp;
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};
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ProcessInfo();
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~ProcessInfo();
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//! \brief Initializes this object with information about the given
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//! \a process.
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//!
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//! This method must be called successfully prior to calling any other
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//! method in this class. This method may only be called once.
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//!
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//! \return `true` on success, `false` on failure with a message logged.
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bool Initialize(HANDLE process);
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//! \return `true` if the target process is a 64-bit process.
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bool Is64Bit() const;
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//! \return `true` if the target process is running on the Win32-on-Win64
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//! subsystem.
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bool IsWow64() const;
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//! \return The target process's process ID.
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pid_t ProcessID() const;
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//! \return The target process's parent process ID.
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pid_t ParentProcessID() const;
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//! \return The command line from the target process's Process Environment
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//! Block.
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bool CommandLine(std::wstring* command_line) const;
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//! \brief Retrieves the modules loaded into the target process.
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//!
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//! The modules are enumerated in initialization order as detailed in the
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//! Process Environment Block. The main executable will always be the
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//! first element.
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bool Modules(std::vector<Module>* modules) const;
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private:
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template <class Traits>
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friend bool GetProcessBasicInformation(HANDLE process,
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bool is_wow64,
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ProcessInfo* process_info,
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WinVMAddress* peb_address);
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template <class Traits>
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friend bool ReadProcessData(HANDLE process,
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WinVMAddress peb_address_vmaddr,
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ProcessInfo* process_info);
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pid_t process_id_;
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pid_t inherited_from_process_id_;
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std::wstring command_line_;
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std::vector<Module> modules_;
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bool is_64_bit_;
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bool is_wow64_;
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InitializationStateDcheck initialized_;
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DISALLOW_COPY_AND_ASSIGN(ProcessInfo);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_WIN_PROCESS_INFO_H_
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