vendor/lldb/lldb-trunk-r256945

1 files changed, 99 insertions, 0 deletions

diff --git a/source/Plugins/Process/Windows/Common/ExceptionRecord.h b/source/Plugins/Process/Windows/Common/ExceptionRecord.h
new file mode 100644
index 000000000000..79dae3fca4e8
--- /dev/null
+++ b/source/Plugins/Process/Windows/Common/ExceptionRecord.h
@@ -0,0 +1,99 @@
+//===-- ExceptionRecord.h ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_Plugins_Process_Windows_ExceptionRecord_H_
+#define liblldb_Plugins_Process_Windows_ExceptionRecord_H_
+
+#include "lldb/lldb-forward.h"
+#include "lldb/Host/windows/windows.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;
+    }
+
+  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