forked from OSchip/llvm-project
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
//===-- UnwindMacOSXFrameBackchain.h ----------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef lldb_UnwindMacOSXFrameBackchain_h_
|
|
#define lldb_UnwindMacOSXFrameBackchain_h_
|
|
|
|
// C Includes
|
|
// C++ Includes
|
|
#include <vector>
|
|
|
|
// Other libraries and framework includes
|
|
// Project includes
|
|
#include "lldb/lldb-private.h"
|
|
#include "lldb/Target/Unwind.h"
|
|
|
|
class UnwindMacOSXFrameBackchain : public lldb_private::Unwind
|
|
{
|
|
public:
|
|
UnwindMacOSXFrameBackchain (lldb_private::Thread &thread);
|
|
|
|
~UnwindMacOSXFrameBackchain() override = default;
|
|
|
|
protected:
|
|
void
|
|
DoClear() override
|
|
{
|
|
m_cursors.clear();
|
|
}
|
|
|
|
uint32_t
|
|
DoGetFrameCount() override;
|
|
|
|
bool
|
|
DoGetFrameInfoAtIndex(uint32_t frame_idx,
|
|
lldb::addr_t& cfa,
|
|
lldb::addr_t& pc) override;
|
|
|
|
lldb::RegisterContextSP
|
|
DoCreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
|
|
|
|
friend class RegisterContextMacOSXFrameBackchain;
|
|
|
|
struct Cursor
|
|
{
|
|
lldb::addr_t pc; // Program counter
|
|
lldb::addr_t fp; // Frame pointer for us with backchain
|
|
};
|
|
|
|
private:
|
|
std::vector<Cursor> m_cursors;
|
|
|
|
size_t
|
|
GetStackFrameData_i386 (const lldb_private::ExecutionContext &exe_ctx);
|
|
|
|
size_t
|
|
GetStackFrameData_x86_64 (const lldb_private::ExecutionContext &exe_ctx);
|
|
|
|
//------------------------------------------------------------------
|
|
// For UnwindMacOSXFrameBackchain only
|
|
//------------------------------------------------------------------
|
|
DISALLOW_COPY_AND_ASSIGN (UnwindMacOSXFrameBackchain);
|
|
};
|
|
|
|
#endif // lldb_UnwindMacOSXFrameBackchain_h_
|