mirror of
https://github.com/chromium/crashpad.git
synced 2025-01-16 20:41:11 +08:00
ecf3b37863
crashy_program's log looks something like this now:
0:000> .ecxr
eax=00000007 ebx=7f24e000 ecx=7f24d000 edx=00000000 esi=00497ec8 edi=00d39ca0
eip=00cf5d12 esp=001ffcd8 ebp=001ffcdc iopl=0 nv up ei ng nz ac po cy
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010293
crashy_program+0x5d12:
00cf5d12 ?? ???
0:000> !teb
TEB at 7f24d000
ExceptionList: 001ff548
StackBase: 00200000
StackLimit: 001fd000
SubSystemTib: 00000000
FiberData: 00001e00
ArbitraryUserPointer: 00000000
Self: 7f24d000
EnvironmentPointer: 00000000
ClientId: 00003658 . 00004630
RpcHandle: 00000000
Tls Storage: 7f24d02c
PEB Address: 7f24e000
LastErrorValue: 2
LastStatusValue: c000000f
Count Owned Locks: 0
HardErrorMode: 0
0:000> !gle
LastErrorValue: (Win32) 0x2 (2) - The system cannot find the file specified.
LastStatusValue: (NTSTATUS) 0xc000000f - {File Not Found} The file %hs does not exist.
R=mark@chromium.org
BUG=crashpad:46
Review URL: https://codereview.chromium.org/1364803004 .
110 lines
3.4 KiB
C++
110 lines
3.4 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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#include "snapshot/win/thread_snapshot_win.h"
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#include <vector>
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#include "base/logging.h"
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#include "snapshot/win/cpu_context_win.h"
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#include "snapshot/win/process_reader_win.h"
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namespace crashpad {
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namespace internal {
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ThreadSnapshotWin::ThreadSnapshotWin()
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: ThreadSnapshot(),
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context_(),
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stack_(),
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teb_(),
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thread_(),
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initialized_() {
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}
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ThreadSnapshotWin::~ThreadSnapshotWin() {
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}
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bool ThreadSnapshotWin::Initialize(
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ProcessReaderWin* process_reader,
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const ProcessReaderWin::Thread& process_reader_thread) {
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INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
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thread_ = process_reader_thread;
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// TODO(scottmg): Ensure these regions are readable
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// https://code.google.com/p/crashpad/issues/detail?id=59
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stack_.Initialize(
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process_reader, thread_.stack_region_address, thread_.stack_region_size);
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teb_.Initialize(process_reader, thread_.teb_address, thread_.teb_size);
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#if defined(ARCH_CPU_X86_64)
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if (process_reader->Is64Bit()) {
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context_.architecture = kCPUArchitectureX86_64;
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context_.x86_64 = &context_union_.x86_64;
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InitializeX64Context(process_reader_thread.context.native, context_.x86_64);
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} else {
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context_.architecture = kCPUArchitectureX86;
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context_.x86 = &context_union_.x86;
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InitializeX86Context(process_reader_thread.context.wow64, context_.x86);
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}
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#else
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context_.architecture = kCPUArchitectureX86;
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context_.x86 = &context_union_.x86;
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InitializeX86Context(process_reader_thread.context.native, context_.x86);
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#endif // ARCH_CPU_X86_64
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INITIALIZATION_STATE_SET_VALID(initialized_);
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return true;
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}
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const CPUContext* ThreadSnapshotWin::Context() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return &context_;
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}
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const MemorySnapshot* ThreadSnapshotWin::Stack() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return &stack_;
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}
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uint64_t ThreadSnapshotWin::ThreadID() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_.id;
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}
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int ThreadSnapshotWin::SuspendCount() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_.suspend_count;
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}
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int ThreadSnapshotWin::Priority() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_.priority;
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}
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uint64_t ThreadSnapshotWin::ThreadSpecificDataAddress() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_.teb_address;
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}
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std::vector<const MemorySnapshot*> ThreadSnapshotWin::ExtraMemory() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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// TODO(scottmg): Ensure this region is readable, and make sure we don't
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// discard the entire dump if it isn't.
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// https://code.google.com/p/crashpad/issues/detail?id=59
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return std::vector<const MemorySnapshot*>(1, &teb_);
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}
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} // namespace internal
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} // namespace crashpad
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