164 lines
4.4 KiB
C++
164 lines
4.4 KiB
C++
// Copyright 2017 The Crashpad Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "minidump/minidump_annotation_writer.h"
|
|
|
|
#include <memory>
|
|
|
|
#include "base/logging.h"
|
|
#include "util/file/file_writer.h"
|
|
#include "util/numeric/safe_assignment.h"
|
|
|
|
namespace crashpad {
|
|
|
|
MinidumpAnnotationWriter::MinidumpAnnotationWriter() = default;
|
|
|
|
MinidumpAnnotationWriter::~MinidumpAnnotationWriter() = default;
|
|
|
|
void MinidumpAnnotationWriter::InitializeFromSnapshot(
|
|
const AnnotationSnapshot& snapshot) {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
|
|
name_.SetUTF8(snapshot.name);
|
|
annotation_.type = snapshot.type;
|
|
annotation_.reserved = 0;
|
|
value_.set_data(snapshot.value);
|
|
}
|
|
|
|
void MinidumpAnnotationWriter::InitializeWithData(
|
|
const std::string& name,
|
|
uint16_t type,
|
|
const std::vector<uint8_t>& data) {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
|
|
name_.SetUTF8(name);
|
|
annotation_.type = type;
|
|
annotation_.reserved = 0;
|
|
value_.set_data(data);
|
|
}
|
|
|
|
bool MinidumpAnnotationWriter::Freeze() {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
|
|
if (!MinidumpWritable::Freeze()) {
|
|
return false;
|
|
}
|
|
|
|
name_.RegisterRVA(&annotation_.name);
|
|
value_.RegisterRVA(&annotation_.value);
|
|
|
|
return true;
|
|
}
|
|
|
|
size_t MinidumpAnnotationWriter::SizeOfObject() {
|
|
DCHECK_GE(state(), kStateFrozen);
|
|
|
|
// This object is written by the MinidumpAnnotationListWriter, and its
|
|
// children write themselves.
|
|
return 0;
|
|
}
|
|
|
|
std::vector<internal::MinidumpWritable*> MinidumpAnnotationWriter::Children() {
|
|
DCHECK_GE(state(), kStateFrozen);
|
|
|
|
return {&name_, &value_};
|
|
}
|
|
|
|
bool MinidumpAnnotationWriter::WriteObject(FileWriterInterface* file_writer) {
|
|
DCHECK_EQ(state(), kStateWritable);
|
|
|
|
// This object is written by the MinidumpAnnotationListWriter, and its
|
|
// children write themselves.
|
|
return true;
|
|
}
|
|
|
|
MinidumpAnnotationListWriter::MinidumpAnnotationListWriter()
|
|
: minidump_list_(new MinidumpAnnotationList()) {}
|
|
|
|
MinidumpAnnotationListWriter::~MinidumpAnnotationListWriter() = default;
|
|
|
|
void MinidumpAnnotationListWriter::InitializeFromList(
|
|
const std::vector<AnnotationSnapshot>& list) {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
for (const auto& annotation : list) {
|
|
auto writer = std::make_unique<MinidumpAnnotationWriter>();
|
|
writer->InitializeFromSnapshot(annotation);
|
|
AddObject(std::move(writer));
|
|
}
|
|
}
|
|
|
|
void MinidumpAnnotationListWriter::AddObject(
|
|
std::unique_ptr<MinidumpAnnotationWriter> annotation_writer) {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
|
|
objects_.push_back(std::move(annotation_writer));
|
|
}
|
|
|
|
bool MinidumpAnnotationListWriter::IsUseful() const {
|
|
return !objects_.empty();
|
|
}
|
|
|
|
bool MinidumpAnnotationListWriter::Freeze() {
|
|
DCHECK_EQ(state(), kStateMutable);
|
|
|
|
if (!MinidumpWritable::Freeze()) {
|
|
return false;
|
|
}
|
|
|
|
if (!AssignIfInRange(&minidump_list_->count, objects_.size())) {
|
|
LOG(ERROR) << "annotation list size " << objects_.size()
|
|
<< " is out of range";
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
size_t MinidumpAnnotationListWriter::SizeOfObject() {
|
|
DCHECK_GE(state(), kStateFrozen);
|
|
|
|
return sizeof(*minidump_list_) + sizeof(MinidumpAnnotation) * objects_.size();
|
|
}
|
|
|
|
std::vector<internal::MinidumpWritable*>
|
|
MinidumpAnnotationListWriter::Children() {
|
|
DCHECK_GE(state(), kStateFrozen);
|
|
|
|
std::vector<internal::MinidumpWritable*> children(objects_.size());
|
|
for (size_t i = 0; i < objects_.size(); ++i) {
|
|
children[i] = objects_[i].get();
|
|
}
|
|
|
|
return children;
|
|
}
|
|
|
|
bool MinidumpAnnotationListWriter::WriteObject(
|
|
FileWriterInterface* file_writer) {
|
|
DCHECK_EQ(state(), kStateWritable);
|
|
|
|
std::vector<WritableIoVec> iov;
|
|
iov.reserve(1 + objects_.size());
|
|
iov.emplace_back(
|
|
WritableIoVec{minidump_list_.get(), sizeof(*minidump_list_)});
|
|
|
|
for (const auto& object : objects_) {
|
|
iov.emplace_back(WritableIoVec{object->minidump_annotation(),
|
|
sizeof(MinidumpAnnotation)});
|
|
}
|
|
|
|
return file_writer->WriteIoVec(&iov);
|
|
}
|
|
|
|
} // namespace crashpad
|