Index: components/crash/content/app/crashpad_win.cc |
diff --git a/components/crash/content/app/crashpad_win.cc b/components/crash/content/app/crashpad_win.cc |
deleted file mode 100644 |
index 684366e88e5d81a0e363a9303cc76d9f60bf4921..0000000000000000000000000000000000000000 |
--- a/components/crash/content/app/crashpad_win.cc |
+++ /dev/null |
@@ -1,202 +0,0 @@ |
-// Copyright 2015 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. |
- |
-#include "components/crash/content/app/crashpad.h" |
- |
-#include "base/environment.h" |
-#include "base/lazy_instance.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/numerics/safe_conversions.h" |
-#include "base/path_service.h" |
-#include "base/strings/string16.h" |
-#include "base/strings/string_number_conversions.h" |
-#include "base/strings/utf_string_conversions.h" |
-#include "build/build_config.h" |
-#include "components/crash/content/app/crash_reporter_client.h" |
-#include "third_party/crashpad/crashpad/client/crashpad_client.h" |
-#include "third_party/crashpad/crashpad/client/crashpad_info.h" |
- |
-namespace crash_reporter { |
-namespace internal { |
- |
-namespace { |
- |
-base::LazyInstance<crashpad::CrashpadClient>::Leaky g_crashpad_client = |
- LAZY_INSTANCE_INITIALIZER; |
- |
-} // namespace |
- |
-base::FilePath PlatformCrashpadInitialization(bool initial_client, |
- bool browser_process) { |
- base::FilePath database_path; // Only valid in the browser process. |
- bool result; |
- |
- const char kPipeNameVar[] = "CHROME_CRASHPAD_PIPE_NAME"; |
- scoped_ptr<base::Environment> env(base::Environment::Create()); |
- |
- DCHECK_EQ(initial_client, browser_process); |
- |
- if (initial_client) { |
- CrashReporterClient* crash_reporter_client = GetCrashReporterClient(); |
- crash_reporter_client->GetCrashDumpLocation(&database_path); |
- |
- base::FilePath exe_file; |
- CHECK(PathService::Get(base::FILE_EXE, &exe_file)); |
- base::string16 product_name, version, special_build, channel_name; |
- crash_reporter_client->GetProductNameAndVersion( |
- exe_file, &product_name, &version, &special_build, &channel_name); |
- std::map<std::string, std::string> process_annotations; |
- process_annotations["prod"] = base::UTF16ToUTF8(product_name); |
- process_annotations["ver"] = base::UTF16ToUTF8(version); |
- process_annotations["channel"] = base::UTF16ToUTF8(channel_name); |
- if (!special_build.empty()) |
- process_annotations["special"] = base::UTF16ToUTF8(special_build); |
-#if defined(ARCH_CPU_X86) |
- process_annotations["plat"] = std::string("Win32"); |
-#elif defined(ARCH_CPU_X86_64) |
- process_annotations["plat"] = std::string("Win64"); |
-#endif |
-#if defined(GOOGLE_CHROME_BUILD) |
- std::string url = "https://clients2.google.com/cr/report"; |
-#else |
- std::string url; |
-#endif |
- |
- std::vector<std::string> arguments; |
- |
- // In test binaries, use crashpad_handler directly. Otherwise, we launch |
- // chrome.exe with --type=crashpad-handler. |
- if (exe_file.BaseName().value() != FILE_PATH_LITERAL("chrome.exe")) { |
- base::FilePath exe_dir; |
- CHECK(PathService::Get(base::DIR_EXE, &exe_dir)); |
- exe_file = exe_dir.Append(FILE_PATH_LITERAL("crashpad_handler.exe")); |
- } else { |
- arguments.push_back("--type=crashpad-handler"); |
- } |
- |
- result = g_crashpad_client.Get().StartHandler( |
- exe_file, database_path, url, process_annotations, arguments, false); |
- |
- // If we're the browser, push the pipe name into the environment so child |
- // processes can connect to it. If we inherited another crashpad_handler's |
- // pipe name, we'll overwrite it here. |
- env->SetVar(kPipeNameVar, |
- base::UTF16ToUTF8(g_crashpad_client.Get().GetHandlerIPCPipe())); |
- } else { |
- std::string pipe_name_utf8; |
- result = env->GetVar(kPipeNameVar, &pipe_name_utf8); |
- if (result) { |
- result = g_crashpad_client.Get().SetHandlerIPCPipe( |
- base::UTF8ToUTF16(pipe_name_utf8)); |
- } |
- } |
- |
- if (result) { |
- result = g_crashpad_client.Get().UseHandler(); |
- } |
- |
- return database_path; |
-} |
- |
-extern "C" { |
- |
-// Crashes the process after generating a dump for the provided exception. Note |
-// that the crash reporter should be initialized before calling this function |
-// for it to do anything. |
-// NOTE: This function is used by SyzyASAN to invoke a crash. If you change the |
-// the name or signature of this function you will break SyzyASAN instrumented |
-// releases of Chrome. Please contact syzygy-team@chromium.org before doing so! |
-int __declspec(dllexport) CrashForException( |
- EXCEPTION_POINTERS* info) { |
- g_crashpad_client.Get().DumpAndCrash(info); |
- return EXCEPTION_CONTINUE_SEARCH; |
-} |
- |
-#if defined(ARCH_CPU_X86_64) |
- |
-static int CrashForExceptionInNonABICompliantCodeRange( |
- PEXCEPTION_RECORD ExceptionRecord, |
- ULONG64 EstablisherFrame, |
- PCONTEXT ContextRecord, |
- PDISPATCHER_CONTEXT DispatcherContext) { |
- EXCEPTION_POINTERS info = { ExceptionRecord, ContextRecord }; |
- return CrashForException(&info); |
-} |
- |
-// See https://msdn.microsoft.com/en-us/library/ddssxxy8.aspx |
-typedef struct _UNWIND_INFO { |
- unsigned char Version : 3; |
- unsigned char Flags : 5; |
- unsigned char SizeOfProlog; |
- unsigned char CountOfCodes; |
- unsigned char FrameRegister : 4; |
- unsigned char FrameOffset : 4; |
- ULONG ExceptionHandler; |
-} UNWIND_INFO, *PUNWIND_INFO; |
- |
-struct ExceptionHandlerRecord { |
- RUNTIME_FUNCTION runtime_function; |
- UNWIND_INFO unwind_info; |
- unsigned char thunk[12]; |
-}; |
- |
-// These are GetProcAddress()d from V8 binding code. |
-void __declspec(dllexport) __cdecl RegisterNonABICompliantCodeRange( |
- void* start, |
- size_t size_in_bytes) { |
- ExceptionHandlerRecord* record = |
- reinterpret_cast<ExceptionHandlerRecord*>(start); |
- |
- // We assume that the first page of the code range is executable and |
- // committed and reserved for breakpad. What could possibly go wrong? |
- |
- // All addresses are 32bit relative offsets to start. |
- record->runtime_function.BeginAddress = 0; |
- record->runtime_function.EndAddress = |
- base::checked_cast<DWORD>(size_in_bytes); |
- record->runtime_function.UnwindData = |
- offsetof(ExceptionHandlerRecord, unwind_info); |
- |
- // Create unwind info that only specifies an exception handler. |
- record->unwind_info.Version = 1; |
- record->unwind_info.Flags = UNW_FLAG_EHANDLER; |
- record->unwind_info.SizeOfProlog = 0; |
- record->unwind_info.CountOfCodes = 0; |
- record->unwind_info.FrameRegister = 0; |
- record->unwind_info.FrameOffset = 0; |
- record->unwind_info.ExceptionHandler = |
- offsetof(ExceptionHandlerRecord, thunk); |
- |
- // Hardcoded thunk. |
- // mov imm64, rax |
- record->thunk[0] = 0x48; |
- record->thunk[1] = 0xb8; |
- void* handler = &CrashForExceptionInNonABICompliantCodeRange; |
- memcpy(&record->thunk[2], &handler, 8); |
- |
- // jmp rax |
- record->thunk[10] = 0xff; |
- record->thunk[11] = 0xe0; |
- |
- // Protect reserved page against modifications. |
- DWORD old_protect; |
- CHECK(VirtualProtect( |
- start, sizeof(ExceptionHandlerRecord), PAGE_EXECUTE_READ, &old_protect)); |
- CHECK(RtlAddFunctionTable( |
- &record->runtime_function, 1, reinterpret_cast<DWORD64>(start))); |
-} |
- |
-void __declspec(dllexport) __cdecl UnregisterNonABICompliantCodeRange( |
- void* start) { |
- ExceptionHandlerRecord* record = |
- reinterpret_cast<ExceptionHandlerRecord*>(start); |
- |
- CHECK(RtlDeleteFunctionTable(&record->runtime_function)); |
-} |
-#endif // ARCH_CPU_X86_64 |
- |
-} // extern "C" |
- |
-} // namespace internal |
-} // namespace crash_reporter |