| //===-- MinidumpTypes.cpp -------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "MinidumpTypes.h" |
| |
| // C includes |
| // C++ includes |
| |
| using namespace lldb_private; |
| using namespace minidump; |
| |
| // MinidumpMiscInfo |
| const MinidumpMiscInfo *MinidumpMiscInfo::Parse(llvm::ArrayRef<uint8_t> &data) { |
| const MinidumpMiscInfo *misc_info; |
| Status error = consumeObject(data, misc_info); |
| if (error.Fail()) |
| return nullptr; |
| |
| return misc_info; |
| } |
| |
| llvm::Optional<lldb::pid_t> MinidumpMiscInfo::GetPid() const { |
| uint32_t pid_flag = static_cast<uint32_t>(MinidumpMiscInfoFlags::ProcessID); |
| if (flags1 & pid_flag) |
| return llvm::Optional<lldb::pid_t>(process_id); |
| |
| return llvm::None; |
| } |
| |
| // Linux Proc Status |
| // it's stored as an ascii string in the file |
| llvm::Optional<LinuxProcStatus> |
| LinuxProcStatus::Parse(llvm::ArrayRef<uint8_t> &data) { |
| LinuxProcStatus result; |
| result.proc_status = |
| llvm::StringRef(reinterpret_cast<const char *>(data.data()), data.size()); |
| data = data.drop_front(data.size()); |
| |
| llvm::SmallVector<llvm::StringRef, 0> lines; |
| result.proc_status.split(lines, '\n', 42); |
| // /proc/$pid/status has 41 lines, but why not use 42? |
| for (auto line : lines) { |
| if (line.consume_front("Pid:")) { |
| line = line.trim(); |
| if (!line.getAsInteger(10, result.pid)) |
| return result; |
| } |
| } |
| |
| return llvm::None; |
| } |
| |
| lldb::pid_t LinuxProcStatus::GetPid() const { return pid; } |
| |
| std::pair<llvm::ArrayRef<MinidumpMemoryDescriptor64>, uint64_t> |
| MinidumpMemoryDescriptor64::ParseMemory64List(llvm::ArrayRef<uint8_t> &data) { |
| const llvm::support::ulittle64_t *mem_ranges_count; |
| Status error = consumeObject(data, mem_ranges_count); |
| if (error.Fail() || |
| *mem_ranges_count * sizeof(MinidumpMemoryDescriptor64) > data.size()) |
| return {}; |
| |
| const llvm::support::ulittle64_t *base_rva; |
| error = consumeObject(data, base_rva); |
| if (error.Fail()) |
| return {}; |
| |
| return std::make_pair( |
| llvm::makeArrayRef( |
| reinterpret_cast<const MinidumpMemoryDescriptor64 *>(data.data()), |
| *mem_ranges_count), |
| *base_rva); |
| } |