1 //===-- MinidumpTypes.cpp ---------------------------------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "MinidumpTypes.h"
14 using namespace lldb_private;
15 using namespace minidump;
18 const MinidumpMiscInfo *MinidumpMiscInfo::Parse(llvm::ArrayRef<uint8_t> &data) {
19 const MinidumpMiscInfo *misc_info;
20 Status error = consumeObject(data, misc_info);
27 llvm::Optional<lldb::pid_t> MinidumpMiscInfo::GetPid() const {
28 uint32_t pid_flag = static_cast<uint32_t>(MinidumpMiscInfoFlags::ProcessID);
29 if (flags1 & pid_flag)
30 return llvm::Optional<lldb::pid_t>(process_id);
36 // it's stored as an ascii string in the file
37 llvm::Optional<LinuxProcStatus>
38 LinuxProcStatus::Parse(llvm::ArrayRef<uint8_t> &data) {
39 LinuxProcStatus result;
41 llvm::StringRef(reinterpret_cast<const char *>(data.data()), data.size());
42 data = data.drop_front(data.size());
44 llvm::SmallVector<llvm::StringRef, 0> lines;
45 result.proc_status.split(lines, '\n', 42);
46 // /proc/$pid/status has 41 lines, but why not use 42?
47 for (auto line : lines) {
48 if (line.consume_front("Pid:")) {
50 if (!line.getAsInteger(10, result.pid))
58 lldb::pid_t LinuxProcStatus::GetPid() const { return pid; }
61 const MinidumpExceptionStream *
62 MinidumpExceptionStream::Parse(llvm::ArrayRef<uint8_t> &data) {
63 const MinidumpExceptionStream *exception_stream = nullptr;
64 Status error = consumeObject(data, exception_stream);
68 return exception_stream;
71 std::pair<llvm::ArrayRef<MinidumpMemoryDescriptor64>, uint64_t>
72 MinidumpMemoryDescriptor64::ParseMemory64List(llvm::ArrayRef<uint8_t> &data) {
73 const llvm::support::ulittle64_t *mem_ranges_count;
74 Status error = consumeObject(data, mem_ranges_count);
76 *mem_ranges_count * sizeof(MinidumpMemoryDescriptor64) > data.size())
79 const llvm::support::ulittle64_t *base_rva;
80 error = consumeObject(data, base_rva);
84 return std::make_pair(
86 reinterpret_cast<const MinidumpMemoryDescriptor64 *>(data.data()),
91 std::vector<const MinidumpMemoryInfo *>
92 MinidumpMemoryInfo::ParseMemoryInfoList(llvm::ArrayRef<uint8_t> &data) {
93 const MinidumpMemoryInfoListHeader *header;
94 Status error = consumeObject(data, header);
96 header->size_of_header < sizeof(MinidumpMemoryInfoListHeader) ||
97 header->size_of_entry < sizeof(MinidumpMemoryInfo))
100 data = data.drop_front(header->size_of_header -
101 sizeof(MinidumpMemoryInfoListHeader));
103 if (header->size_of_entry * header->num_of_entries > data.size())
106 std::vector<const MinidumpMemoryInfo *> result;
107 result.reserve(header->num_of_entries);
109 for (uint64_t i = 0; i < header->num_of_entries; ++i) {
110 result.push_back(reinterpret_cast<const MinidumpMemoryInfo *>(
111 data.data() + i * header->size_of_entry));