1 //===-- RegisterContextDarwin_i386.h ----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_RegisterContextDarwin_i386_h_
11 #define liblldb_RegisterContextDarwin_i386_h_
15 // Other libraries and framework includes
17 #include "lldb/lldb-private.h"
18 #include "lldb/Target/RegisterContext.h"
20 class RegisterContextDarwin_i386 : public lldb_private::RegisterContext
24 RegisterContextDarwin_i386(lldb_private::Thread &thread,
25 uint32_t concrete_frame_idx);
28 ~RegisterContextDarwin_i386();
31 InvalidateAllRegisters ();
36 virtual const lldb_private::RegisterInfo *
37 GetRegisterInfoAtIndex (size_t reg);
40 GetRegisterSetCount ();
42 virtual const lldb_private::RegisterSet *
43 GetRegisterSet (size_t set);
46 ReadRegister (const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value);
49 WriteRegister (const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value);
52 ReadAllRegisterValues (lldb::DataBufferSP &data_sp);
55 WriteAllRegisterValues (const lldb::DataBufferSP &data_sp);
58 ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num);
61 HardwareSingleStep (bool enable);
134 GPRWordCount = sizeof(GPR)/sizeof(uint32_t),
135 FPUWordCount = sizeof(FPU)/sizeof(uint32_t),
136 EXCWordCount = sizeof(EXC)/sizeof(uint32_t)
149 int gpr_errs[2]; // Read/Write errors
150 int fpu_errs[2]; // Read/Write errors
151 int exc_errs[2]; // Read/Write errors
154 InvalidateAllRegisterStates()
156 SetError (GPRRegSet, Read, -1);
157 SetError (FPURegSet, Read, -1);
158 SetError (EXCRegSet, Read, -1);
162 GetError (int flavor, uint32_t err_idx) const
164 if (err_idx < kNumErrors)
168 // When getting all errors, just OR all values together to see if
169 // we got any kind of error.
170 case GPRRegSet: return gpr_errs[err_idx];
171 case FPURegSet: return fpu_errs[err_idx];
172 case EXCRegSet: return exc_errs[err_idx];
180 SetError (int flavor, uint32_t err_idx, int err)
182 if (err_idx < kNumErrors)
187 gpr_errs[err_idx] = err;
191 fpu_errs[err_idx] = err;
195 exc_errs[err_idx] = err;
205 RegisterSetIsCached (int set) const
207 return GetError(set, Read) == 0;
211 LogGPR (lldb_private::Log *log, const char *title);
214 ReadGPR (bool force);
217 ReadFPU (bool force);
220 ReadEXC (bool force);
231 // Subclasses override these to do the actual reading.
233 DoReadGPR (lldb::tid_t tid, int flavor, GPR &gpr) = 0;
236 DoReadFPU (lldb::tid_t tid, int flavor, FPU &fpu) = 0;
239 DoReadEXC (lldb::tid_t tid, int flavor, EXC &exc) = 0;
242 DoWriteGPR (lldb::tid_t tid, int flavor, const GPR &gpr) = 0;
245 DoWriteFPU (lldb::tid_t tid, int flavor, const FPU &fpu) = 0;
248 DoWriteEXC (lldb::tid_t tid, int flavor, const EXC &exc) = 0;
251 ReadRegisterSet (uint32_t set, bool force);
254 WriteRegisterSet (uint32_t set);
257 GetRegisterNumber (uint32_t reg_kind, uint32_t reg_num);
260 GetSetForNativeRegNum (int reg_num);
263 GetRegisterInfosCount ();
265 static const lldb_private::RegisterInfo *
269 #endif // liblldb_RegisterContextDarwin_i386_h_