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//===-- ExceptionRecord.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_Plugins_Process_Windows_ExceptionRecord_H_
#define liblldb_Plugins_Process_Windows_ExceptionRecord_H_
#include "lldb/Host/windows/windows.h"
#include "lldb/lldb-forward.h"
#include <dbghelp.h>
#include <memory>
#include <vector>
namespace lldb_private {
// ExceptionRecord
//
// ExceptionRecord defines an interface which allows implementors to receive
// notification of events that happen in a debugged process.
class ExceptionRecord {
public:
ExceptionRecord(const EXCEPTION_RECORD &record, lldb::tid_t thread_id) {
m_code = record.ExceptionCode;
m_continuable = (record.ExceptionFlags == 0);
if (record.ExceptionRecord)
m_next_exception.reset(
new ExceptionRecord(*record.ExceptionRecord, thread_id));
m_exception_addr = reinterpret_cast<lldb::addr_t>(record.ExceptionAddress);
m_thread_id = thread_id;
m_arguments.assign(record.ExceptionInformation,
record.ExceptionInformation + record.NumberParameters);
}
// MINIDUMP_EXCEPTIONs are almost identical to EXCEPTION_RECORDs.
ExceptionRecord(const MINIDUMP_EXCEPTION &record, lldb::tid_t thread_id)
: m_code(record.ExceptionCode), m_continuable(record.ExceptionFlags == 0),
m_next_exception(nullptr),
m_exception_addr(static_cast<lldb::addr_t>(record.ExceptionAddress)),
m_thread_id(thread_id),
m_arguments(record.ExceptionInformation,
record.ExceptionInformation + record.NumberParameters) {
// Set up link to nested exception.
if (record.ExceptionRecord) {
m_next_exception.reset(new ExceptionRecord(
*reinterpret_cast<const MINIDUMP_EXCEPTION *>(record.ExceptionRecord),
thread_id));
}
}
virtual ~ExceptionRecord() {}
DWORD
GetExceptionCode() const { return m_code; }
bool IsContinuable() const { return m_continuable; }
const ExceptionRecord *GetNextException() const {
return m_next_exception.get();
}
lldb::addr_t GetExceptionAddress() const { return m_exception_addr; }
lldb::tid_t GetThreadID() const { return m_thread_id; }
const std::vector<ULONG_PTR>& GetExceptionArguments() const { return m_arguments; }
private:
DWORD m_code;
bool m_continuable;
std::shared_ptr<ExceptionRecord> m_next_exception;
lldb::addr_t m_exception_addr;
lldb::tid_t m_thread_id;
std::vector<ULONG_PTR> m_arguments;
};
}
#endif
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