forked from OSchip/llvm-project
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
//===-- UnwindLLDB.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_UnwindLLDB_h_
|
|
#define lldb_UnwindLLDB_h_
|
|
|
|
#include <vector>
|
|
|
|
#include "lldb/lldb-public.h"
|
|
#include "lldb/Symbol/FuncUnwinders.h"
|
|
#include "lldb/Symbol/UnwindPlan.h"
|
|
#include "lldb/Target/RegisterContext.h"
|
|
#include "lldb/Target/Unwind.h"
|
|
|
|
#include "RegisterContextLLDB.h"
|
|
|
|
namespace lldb_private {
|
|
|
|
class UnwindLLDB : public lldb_private::Unwind
|
|
{
|
|
public:
|
|
UnwindLLDB (lldb_private::Thread &thread);
|
|
|
|
virtual
|
|
~UnwindLLDB() { }
|
|
|
|
void
|
|
Clear()
|
|
{
|
|
m_frames.clear();
|
|
}
|
|
|
|
virtual uint32_t
|
|
GetFrameCount();
|
|
|
|
bool
|
|
GetFrameInfoAtIndex (uint32_t frame_idx,
|
|
lldb::addr_t& cfa,
|
|
lldb::addr_t& start_pc);
|
|
|
|
lldb::RegisterContextSP
|
|
CreateRegisterContextForFrame (lldb_private::StackFrame *frame);
|
|
|
|
private:
|
|
struct Cursor
|
|
{
|
|
lldb::addr_t start_pc; // The start address of the function/symbol for this frame - current pc if unknown
|
|
lldb::addr_t cfa; // The canonical frame address for this stack frame
|
|
lldb_private::SymbolContext sctx; // A symbol context we'll contribute to & provide to the StackFrame creation
|
|
RegisterContextLLDB::SharedPtr reg_ctx; // These are all RegisterContextLLDB's
|
|
|
|
Cursor () : start_pc (LLDB_INVALID_ADDRESS), cfa (LLDB_INVALID_ADDRESS), sctx(), reg_ctx() { }
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN (Cursor);
|
|
};
|
|
|
|
typedef lldb::SharedPtr<Cursor>::Type CursorSP;
|
|
std::vector<CursorSP> m_frames;
|
|
|
|
bool AddOneMoreFrame ();
|
|
bool AddFirstFrame ();
|
|
|
|
//------------------------------------------------------------------
|
|
// For UnwindLLDB only
|
|
//------------------------------------------------------------------
|
|
DISALLOW_COPY_AND_ASSIGN (UnwindLLDB);
|
|
};
|
|
|
|
} // namespace lldb_private
|
|
|
|
#endif // lldb_UnwindLLDB_h_
|