1 //===-- RegisterContextDarwin_x86_64.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_x86_64_h_
11 #define liblldb_RegisterContextDarwin_x86_64_h_
15 // Other libraries and framework includes
17 #include "lldb/lldb-private.h"
18 #include "lldb/Target/RegisterContext.h"
20 class RegisterContextDarwin_x86_64 : public lldb_private::RegisterContext
23 RegisterContextDarwin_x86_64 (lldb_private::Thread &thread,
24 uint32_t concrete_frame_idx);
26 ~RegisterContextDarwin_x86_64() override;
29 InvalidateAllRegisters() override;
32 GetRegisterCount() override;
34 const lldb_private::RegisterInfo *
35 GetRegisterInfoAtIndex(size_t reg) override;
38 GetRegisterSetCount() override;
40 const lldb_private::RegisterSet *
41 GetRegisterSet(size_t set) override;
44 ReadRegister(const lldb_private::RegisterInfo *reg_info,
45 lldb_private::RegisterValue &value) override;
48 WriteRegister(const lldb_private::RegisterInfo *reg_info,
49 const lldb_private::RegisterValue &value) override;
52 ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
55 WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
58 ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) override;
61 HardwareSingleStep(bool enable) override;
102 uint16_t fcw; // "fctrl"
103 uint16_t fsw; // "fstat"
104 uint8_t ftw; // "ftag"
106 uint16_t fop; // "fop"
107 uint32_t ip; // "fioff"
108 uint16_t cs; // "fiseg"
110 uint32_t dp; // "fooff"
111 uint16_t ds; // "foseg"
139 GPRWordCount = sizeof(GPR)/sizeof(uint32_t),
140 FPUWordCount = sizeof(FPU)/sizeof(uint32_t),
141 EXCWordCount = sizeof(EXC)/sizeof(uint32_t)
154 int gpr_errs[2]; // Read/Write errors
155 int fpu_errs[2]; // Read/Write errors
156 int exc_errs[2]; // Read/Write errors
159 InvalidateAllRegisterStates()
161 SetError (GPRRegSet, Read, -1);
162 SetError (FPURegSet, Read, -1);
163 SetError (EXCRegSet, Read, -1);
167 GetError (int flavor, uint32_t err_idx) const
169 if (err_idx < kNumErrors)
173 // When getting all errors, just OR all values together to see if
174 // we got any kind of error.
175 case GPRRegSet: return gpr_errs[err_idx];
176 case FPURegSet: return fpu_errs[err_idx];
177 case EXCRegSet: return exc_errs[err_idx];
185 SetError (int flavor, uint32_t err_idx, int err)
187 if (err_idx < kNumErrors)
192 gpr_errs[err_idx] = err;
196 fpu_errs[err_idx] = err;
200 exc_errs[err_idx] = err;
210 RegisterSetIsCached (int set) const
212 return GetError(set, Read) == 0;
216 LogGPR (lldb_private::Log *log, const char *format, ...);
219 ReadGPR (bool force);
222 ReadFPU (bool force);
225 ReadEXC (bool force);
236 // Subclasses override these to do the actual reading.
238 DoReadGPR (lldb::tid_t tid, int flavor, GPR &gpr) = 0;
241 DoReadFPU (lldb::tid_t tid, int flavor, FPU &fpu) = 0;
244 DoReadEXC (lldb::tid_t tid, int flavor, EXC &exc) = 0;
247 DoWriteGPR (lldb::tid_t tid, int flavor, const GPR &gpr) = 0;
250 DoWriteFPU (lldb::tid_t tid, int flavor, const FPU &fpu) = 0;
253 DoWriteEXC (lldb::tid_t tid, int flavor, const EXC &exc) = 0;
256 ReadRegisterSet (uint32_t set, bool force);
259 WriteRegisterSet (uint32_t set);
262 GetRegisterNumber (uint32_t reg_kind, uint32_t reg_num);
265 GetSetForNativeRegNum (int reg_num);
268 GetRegisterInfosCount ();
270 static const lldb_private::RegisterInfo *
274 #endif // liblldb_RegisterContextDarwin_x86_64_h_