Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 111 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Plugins/Process/minidump/MinidumpParser.h b/gnu/llvm/lldb/source/Plugins/Process/minidump/MinidumpParser.h
new file mode 100644
index 00000000000..4bcb2b47d45
--- /dev/null
+++ b/gnu/llvm/lldb/source/Plugins/Process/minidump/MinidumpParser.h
@@ -0,0 +1,111 @@
+//===-- MinidumpParser.h -----------------------------------------*- C++-*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_MinidumpParser_h_
+#define liblldb_MinidumpParser_h_
+
+#include "MinidumpTypes.h"
+
+#include "lldb/Target/MemoryRegionInfo.h"
+#include "lldb/Utility/ArchSpec.h"
+#include "lldb/Utility/DataBuffer.h"
+#include "lldb/Utility/Status.h"
+#include "lldb/Utility/UUID.h"
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Object/Minidump.h"
+
+// C includes
+
+// C++ includes
+#include <cstring>
+#include <unordered_map>
+
+namespace lldb_private {
+
+namespace minidump {
+
+// Describes a range of memory captured in the Minidump
+struct Range {
+  lldb::addr_t start; // virtual address of the beginning of the range
+  // range_ref - absolute pointer to the first byte of the range and size
+  llvm::ArrayRef<uint8_t> range_ref;
+
+  Range(lldb::addr_t start, llvm::ArrayRef<uint8_t> range_ref)
+      : start(start), range_ref(range_ref) {}
+
+  friend bool operator==(const Range &lhs, const Range &rhs) {
+    return lhs.start == rhs.start && lhs.range_ref == rhs.range_ref;
+  }
+};
+
+class MinidumpParser {
+public:
+  static llvm::Expected<MinidumpParser>
+  Create(const lldb::DataBufferSP &data_buf_sp);
+
+  llvm::ArrayRef<uint8_t> GetData();
+
+  llvm::ArrayRef<uint8_t> GetStream(StreamType stream_type);
+
+  UUID GetModuleUUID(const minidump::Module *module);
+
+  llvm::ArrayRef<minidump::Thread> GetThreads();
+
+  llvm::ArrayRef<uint8_t> GetThreadContext(const LocationDescriptor &location);
+
+  llvm::ArrayRef<uint8_t> GetThreadContext(const minidump::Thread &td);
+
+  llvm::ArrayRef<uint8_t> GetThreadContextWow64(const minidump::Thread &td);
+
+  ArchSpec GetArchitecture();
+
+  const MinidumpMiscInfo *GetMiscInfo();
+
+  llvm::Optional<LinuxProcStatus> GetLinuxProcStatus();
+
+  llvm::Optional<lldb::pid_t> GetPid();
+
+  llvm::ArrayRef<minidump::Module> GetModuleList();
+
+  // There are cases in which there is more than one record in the ModuleList
+  // for the same module name.(e.g. when the binary has non contiguous segments)
+  // So this function returns a filtered module list - if it finds records that
+  // have the same name, it keeps the copy with the lowest load address.
+  std::vector<const minidump::Module *> GetFilteredModuleList();
+
+  const llvm::minidump::ExceptionStream *GetExceptionStream();
+
+  llvm::Optional<Range> FindMemoryRange(lldb::addr_t addr);
+
+  llvm::ArrayRef<uint8_t> GetMemory(lldb::addr_t addr, size_t size);
+
+  /// Returns a list of memory regions and a flag indicating whether the list is
+  /// complete (includes all regions mapped into the process memory).
+  std::pair<MemoryRegionInfos, bool> BuildMemoryRegions();
+
+  static llvm::StringRef GetStreamTypeAsString(StreamType stream_type);
+
+  llvm::object::MinidumpFile &GetMinidumpFile() { return *m_file; }
+
+private:
+  MinidumpParser(lldb::DataBufferSP data_sp,
+                 std::unique_ptr<llvm::object::MinidumpFile> file);
+
+private:
+  lldb::DataBufferSP m_data_sp;
+  std::unique_ptr<llvm::object::MinidumpFile> m_file;
+  ArchSpec m_arch;
+};
+
+} // end namespace minidump
+} // end namespace lldb_private
+#endif // liblldb_MinidumpParser_h_