1 //===-- DNBArchImpl.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 // Created by Greg Clayton on 6/25/07.
12 //===----------------------------------------------------------------------===//
14 #ifndef __DebugNubArchMachPPC_h__
15 #define __DebugNubArchMachPPC_h__
17 #if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
23 class DNBArchMachPPC : public DNBArchProtocol {
25 DNBArchMachPPC(MachThread *thread) : m_thread(thread), m_state() {}
27 virtual ~DNBArchMachPPC() {}
29 virtual const DNBRegisterSetInfo *
30 GetRegisterSetInfo(nub_size_t *num_reg_sets) const;
31 virtual bool GetRegisterValue(uint32_t set, uint32_t reg,
32 DNBRegisterValue *value) const;
33 virtual kern_return_t GetRegisterState(int set, bool force);
34 virtual kern_return_t SetRegisterState(int set);
35 virtual bool RegisterSetStateIsValid(int set) const;
37 virtual uint64_t GetPC(uint64_t failValue); // Get program counter
38 virtual kern_return_t SetPC(uint64_t value);
39 virtual uint64_t GetSP(uint64_t failValue); // Get stack pointer
40 virtual bool ThreadWillResume();
41 virtual bool ThreadDidStop();
43 static const uint8_t *SoftwareBreakpointOpcode(nub_size_t byte_size);
44 static uint32_t GetCPUType();
47 kern_return_t EnableHardwareSingleStep(bool enable);
49 typedef enum RegisterSetTag {
50 e_regSetALL = REGISTER_SET_ALL,
58 typedef enum RegisterSetWordSizeTag {
59 e_regSetWordSizeGPR = PPC_THREAD_STATE_COUNT,
60 e_regSetWordSizeFPR = PPC_FLOAT_STATE_COUNT,
61 e_regSetWordSizeEXC = PPC_EXCEPTION_STATE_COUNT,
62 e_regSetWordSizeVEC = PPC_VECTOR_STATE_COUNT
63 } RegisterSetWordSize;
65 enum { Read = 0, Write = 1, kNumErrors = 2 };
68 ppc_thread_state_t gpr;
69 ppc_float_state_t fpr;
70 ppc_exception_state_t exc;
71 ppc_vector_state_t vec;
72 kern_return_t gpr_errs[2]; // Read/Write errors
73 kern_return_t fpr_errs[2]; // Read/Write errors
74 kern_return_t exc_errs[2]; // Read/Write errors
75 kern_return_t vec_errs[2]; // Read/Write errors
79 for (i = 0; i < kNumErrors; i++) {
86 void InvalidateAllRegisterStates() { SetError(e_regSetALL, Read, -1); }
87 kern_return_t GetError(int set, uint32_t err_idx) const {
88 if (err_idx < kNumErrors) {
90 // When getting all errors, just OR all values together to see if
91 // we got any kind of error.
93 return gpr_errs[err_idx] | fpr_errs[err_idx] | exc_errs[err_idx] |
96 return gpr_errs[err_idx];
98 return fpr_errs[err_idx];
100 return exc_errs[err_idx];
102 return vec_errs[err_idx];
109 bool SetError(int set, uint32_t err_idx, kern_return_t err) {
110 if (err_idx < kNumErrors) {
113 gpr_errs[err_idx] = fpr_errs[err_idx] = exc_errs[err_idx] =
114 vec_errs[err_idx] = err;
118 gpr_errs[err_idx] = err;
122 fpr_errs[err_idx] = err;
126 exc_errs[err_idx] = err;
130 vec_errs[err_idx] = err;
139 bool RegsAreValid(int set) const {
140 return GetError(set, Read) == KERN_SUCCESS;
144 kern_return_t GetGPRState(bool force);
145 kern_return_t GetFPRState(bool force);
146 kern_return_t GetEXCState(bool force);
147 kern_return_t GetVECState(bool force);
149 kern_return_t SetGPRState();
150 kern_return_t SetFPRState();
151 kern_return_t SetEXCState();
152 kern_return_t SetVECState();
155 MachThread *m_thread;
159 #endif // #if defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__)
160 #endif // #ifndef __DebugNubArchMachPPC_h__