Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 1 | //===-- EmulateInstruction.h ------------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
Greg Clayton | 17f5afe | 2011-02-05 02:56:16 +0000 | [diff] [blame] | 10 | #include "lldb/Core/EmulateInstruction.h" |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 11 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 12 | #include "lldb/Core/Address.h" |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 13 | #include "lldb/Core/DataExtractor.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 14 | #include "lldb/Core/Error.h" |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 15 | #include "lldb/Core/PluginManager.h" |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 16 | #include "lldb/Core/RegisterValue.h" |
| 17 | #include "lldb/Core/StreamFile.h" |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 18 | #include "lldb/Core/StreamString.h" |
Greg Clayton | cd54803 | 2011-02-01 01:31:41 +0000 | [diff] [blame] | 19 | #include "lldb/Host/Endian.h" |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 20 | #include "lldb/Symbol/UnwindPlan.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 21 | #include "lldb/Target/Process.h" |
| 22 | #include "lldb/Target/RegisterContext.h" |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 23 | #include "lldb/Target/Target.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 24 | #include "lldb/Target/Thread.h" |
| 25 | |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 26 | using namespace lldb; |
| 27 | using namespace lldb_private; |
| 28 | |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 29 | EmulateInstruction* |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 30 | EmulateInstruction::FindPlugin (const ArchSpec &arch, InstructionType supported_inst_type, const char *plugin_name) |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 31 | { |
| 32 | EmulateInstructionCreateInstance create_callback = NULL; |
| 33 | if (plugin_name) |
| 34 | { |
| 35 | create_callback = PluginManager::GetEmulateInstructionCreateCallbackForPluginName (plugin_name); |
| 36 | if (create_callback) |
| 37 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 38 | EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 39 | if (emulate_insn_ptr) |
| 40 | return emulate_insn_ptr; |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 41 | } |
| 42 | } |
| 43 | else |
| 44 | { |
| 45 | for (uint32_t idx = 0; (create_callback = PluginManager::GetEmulateInstructionCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| 46 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 47 | EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 48 | if (emulate_insn_ptr) |
| 49 | return emulate_insn_ptr; |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 50 | } |
| 51 | } |
| 52 | return NULL; |
| 53 | } |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 54 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 55 | EmulateInstruction::EmulateInstruction (const ArchSpec &arch) : |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 56 | m_arch (arch), |
| 57 | m_baton (NULL), |
| 58 | m_read_mem_callback (&ReadMemoryDefault), |
| 59 | m_write_mem_callback (&WriteMemoryDefault), |
| 60 | m_read_reg_callback (&ReadRegisterDefault), |
| 61 | m_write_reg_callback (&WriteRegisterDefault), |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 62 | m_addr (LLDB_INVALID_ADDRESS) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 63 | { |
| 64 | ::memset (&m_opcode, 0, sizeof (m_opcode)); |
| 65 | } |
| 66 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 67 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 68 | bool |
| 69 | EmulateInstruction::ReadRegister (const RegisterInfo *reg_info, RegisterValue& reg_value) |
| 70 | { |
| 71 | if (m_read_reg_callback) |
| 72 | return m_read_reg_callback (this, m_baton, reg_info, reg_value); |
| 73 | return false; |
| 74 | } |
| 75 | |
| 76 | bool |
| 77 | EmulateInstruction::ReadRegister (uint32_t reg_kind, uint32_t reg_num, RegisterValue& reg_value) |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 78 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 79 | RegisterInfo reg_info; |
| 80 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 81 | return ReadRegister (®_info, reg_value); |
| 82 | return false; |
| 83 | } |
| 84 | |
| 85 | uint64_t |
| 86 | EmulateInstruction::ReadRegisterUnsigned (uint32_t reg_kind, |
| 87 | uint32_t reg_num, |
| 88 | uint64_t fail_value, |
| 89 | bool *success_ptr) |
| 90 | { |
| 91 | RegisterValue reg_value; |
| 92 | if (ReadRegister (reg_kind, reg_num, reg_value)) |
| 93 | return reg_value.GetAsUInt64(fail_value, success_ptr); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 94 | if (success_ptr) |
| 95 | *success_ptr = false; |
| 96 | return fail_value; |
| 97 | } |
| 98 | |
| 99 | uint64_t |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 100 | EmulateInstruction::ReadRegisterUnsigned (const RegisterInfo *reg_info, |
| 101 | uint64_t fail_value, |
| 102 | bool *success_ptr) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 103 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 104 | RegisterValue reg_value; |
| 105 | if (ReadRegister (reg_info, reg_value)) |
| 106 | return reg_value.GetAsUInt64(fail_value, success_ptr); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 107 | if (success_ptr) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 108 | *success_ptr = false; |
| 109 | return fail_value; |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 113 | EmulateInstruction::WriteRegister (const Context &context, |
| 114 | const RegisterInfo *reg_info, |
| 115 | const RegisterValue& reg_value) |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 116 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 117 | if (m_write_reg_callback) |
| 118 | return m_write_reg_callback (this, m_baton, context, reg_info, reg_value); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 119 | return false; |
| 120 | } |
| 121 | |
| 122 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 123 | EmulateInstruction::WriteRegister (const Context &context, |
| 124 | uint32_t reg_kind, |
| 125 | uint32_t reg_num, |
| 126 | const RegisterValue& reg_value) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 127 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 128 | RegisterInfo reg_info; |
| 129 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
| 130 | return WriteRegister (context, ®_info, reg_value); |
| 131 | return false; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | bool |
| 136 | EmulateInstruction::WriteRegisterUnsigned (const Context &context, |
| 137 | uint32_t reg_kind, |
| 138 | uint32_t reg_num, |
| 139 | uint64_t uint_value) |
| 140 | { |
| 141 | |
| 142 | RegisterInfo reg_info; |
| 143 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
| 144 | { |
| 145 | RegisterValue reg_value; |
| 146 | if (reg_value.SetUInt(uint_value, reg_info.byte_size)) |
| 147 | return WriteRegister (context, ®_info, reg_value); |
| 148 | } |
| 149 | return false; |
| 150 | } |
| 151 | |
| 152 | bool |
| 153 | EmulateInstruction::WriteRegisterUnsigned (const Context &context, |
| 154 | const RegisterInfo *reg_info, |
| 155 | uint64_t uint_value) |
| 156 | { |
| 157 | |
| 158 | if (reg_info) |
| 159 | { |
| 160 | RegisterValue reg_value; |
| 161 | if (reg_value.SetUInt(uint_value, reg_info->byte_size)) |
| 162 | return WriteRegister (context, reg_info, reg_value); |
| 163 | } |
| 164 | return false; |
| 165 | } |
| 166 | |
| 167 | size_t |
| 168 | EmulateInstruction::ReadMemory (const Context &context, |
| 169 | lldb::addr_t addr, |
| 170 | void *dst, |
| 171 | size_t dst_len) |
| 172 | { |
| 173 | if (m_read_mem_callback) |
| 174 | return m_read_mem_callback (this, m_baton, context, addr, dst, dst_len) == dst_len; |
| 175 | return false; |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | uint64_t |
| 179 | EmulateInstruction::ReadMemoryUnsigned (const Context &context, lldb::addr_t addr, size_t byte_size, uint64_t fail_value, bool *success_ptr) |
| 180 | { |
| 181 | uint64_t uval64 = 0; |
| 182 | bool success = false; |
| 183 | if (byte_size <= 8) |
| 184 | { |
| 185 | uint8_t buf[sizeof(uint64_t)]; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 186 | size_t bytes_read = m_read_mem_callback (this, m_baton, context, addr, buf, byte_size); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 187 | if (bytes_read == byte_size) |
| 188 | { |
Greg Clayton | 36da2aa | 2013-01-25 18:06:21 +0000 | [diff] [blame^] | 189 | lldb::offset_t offset = 0; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 190 | DataExtractor data (buf, byte_size, GetByteOrder(), GetAddressByteSize()); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 191 | uval64 = data.GetMaxU64 (&offset, byte_size); |
| 192 | success = true; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | if (success_ptr) |
| 197 | *success_ptr = success; |
| 198 | |
| 199 | if (!success) |
| 200 | uval64 = fail_value; |
| 201 | return uval64; |
| 202 | } |
| 203 | |
| 204 | |
| 205 | bool |
| 206 | EmulateInstruction::WriteMemoryUnsigned (const Context &context, |
| 207 | lldb::addr_t addr, |
| 208 | uint64_t uval, |
| 209 | size_t uval_byte_size) |
| 210 | { |
| 211 | StreamString strm(Stream::eBinary, GetAddressByteSize(), GetByteOrder()); |
| 212 | strm.PutMaxHex64 (uval, uval_byte_size); |
| 213 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 214 | size_t bytes_written = m_write_mem_callback (this, m_baton, context, addr, strm.GetData(), uval_byte_size); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 215 | if (bytes_written == uval_byte_size) |
| 216 | return true; |
| 217 | return false; |
| 218 | } |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 219 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 220 | bool |
| 221 | EmulateInstruction::WriteMemory (const Context &context, |
| 222 | lldb::addr_t addr, |
| 223 | const void *src, |
| 224 | size_t src_len) |
| 225 | { |
| 226 | if (m_write_mem_callback) |
| 227 | return m_write_mem_callback (this, m_baton, context, addr, src, src_len) == src_len; |
| 228 | return false; |
| 229 | } |
| 230 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 231 | |
| 232 | void |
| 233 | EmulateInstruction::SetBaton (void *baton) |
| 234 | { |
| 235 | m_baton = baton; |
| 236 | } |
| 237 | |
| 238 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 239 | EmulateInstruction::SetCallbacks (ReadMemoryCallback read_mem_callback, |
| 240 | WriteMemoryCallback write_mem_callback, |
| 241 | ReadRegisterCallback read_reg_callback, |
| 242 | WriteRegisterCallback write_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 243 | { |
| 244 | m_read_mem_callback = read_mem_callback; |
| 245 | m_write_mem_callback = write_mem_callback; |
| 246 | m_read_reg_callback = read_reg_callback; |
| 247 | m_write_reg_callback = write_reg_callback; |
| 248 | } |
| 249 | |
| 250 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 251 | EmulateInstruction::SetReadMemCallback (ReadMemoryCallback read_mem_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 252 | { |
| 253 | m_read_mem_callback = read_mem_callback; |
| 254 | } |
| 255 | |
| 256 | |
| 257 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 258 | EmulateInstruction::SetWriteMemCallback (WriteMemoryCallback write_mem_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 259 | { |
| 260 | m_write_mem_callback = write_mem_callback; |
| 261 | } |
| 262 | |
| 263 | |
| 264 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 265 | EmulateInstruction::SetReadRegCallback (ReadRegisterCallback read_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 266 | { |
| 267 | m_read_reg_callback = read_reg_callback; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 272 | EmulateInstruction::SetWriteRegCallback (WriteRegisterCallback write_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 273 | { |
| 274 | m_write_reg_callback = write_reg_callback; |
| 275 | } |
| 276 | |
| 277 | |
| 278 | |
| 279 | // |
| 280 | // Read & Write Memory and Registers callback functions. |
| 281 | // |
| 282 | |
| 283 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 284 | EmulateInstruction::ReadMemoryFrame (EmulateInstruction *instruction, |
| 285 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 286 | const Context &context, |
| 287 | lldb::addr_t addr, |
| 288 | void *dst, |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 289 | size_t dst_len) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 290 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 291 | if (!baton || dst == NULL || dst_len == 0) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 292 | return 0; |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 293 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 294 | StackFrame *frame = (StackFrame *) baton; |
| 295 | |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 296 | ProcessSP process_sp (frame->CalculateProcess()); |
| 297 | if (process_sp) |
| 298 | { |
| 299 | Error error; |
| 300 | return process_sp->ReadMemory (addr, dst, dst_len, error); |
| 301 | } |
| 302 | return 0; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 306 | EmulateInstruction::WriteMemoryFrame (EmulateInstruction *instruction, |
| 307 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 308 | const Context &context, |
| 309 | lldb::addr_t addr, |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 310 | const void *src, |
| 311 | size_t src_len) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 312 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 313 | if (!baton || src == NULL || src_len == 0) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 314 | return 0; |
| 315 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 316 | StackFrame *frame = (StackFrame *) baton; |
| 317 | |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 318 | ProcessSP process_sp (frame->CalculateProcess()); |
| 319 | if (process_sp) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 320 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 321 | Error error; |
| 322 | return process_sp->WriteMemory (addr, src, src_len, error); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 329 | EmulateInstruction::ReadRegisterFrame (EmulateInstruction *instruction, |
| 330 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 331 | const RegisterInfo *reg_info, |
| 332 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 333 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 334 | if (!baton) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 335 | return false; |
| 336 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 337 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 338 | return frame->GetRegisterContext()->ReadRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 342 | EmulateInstruction::WriteRegisterFrame (EmulateInstruction *instruction, |
| 343 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 344 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 345 | const RegisterInfo *reg_info, |
| 346 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 347 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 348 | if (!baton) |
| 349 | return false; |
| 350 | |
| 351 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 352 | return frame->GetRegisterContext()->WriteRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 356 | EmulateInstruction::ReadMemoryDefault (EmulateInstruction *instruction, |
| 357 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 358 | const Context &context, |
| 359 | lldb::addr_t addr, |
| 360 | void *dst, |
| 361 | size_t length) |
| 362 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 363 | StreamFile strm (stdout, false); |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 364 | strm.Printf (" Read from Memory (address = 0x%" PRIx64 ", length = %" PRIu64 ", context = ", addr, (uint64_t)length); |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 365 | context.Dump (strm, instruction); |
| 366 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 367 | *((uint64_t *) dst) = 0xdeadbeef; |
| 368 | return length; |
| 369 | } |
| 370 | |
| 371 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 372 | EmulateInstruction::WriteMemoryDefault (EmulateInstruction *instruction, |
| 373 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 374 | const Context &context, |
| 375 | lldb::addr_t addr, |
| 376 | const void *dst, |
| 377 | size_t length) |
| 378 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 379 | StreamFile strm (stdout, false); |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 380 | strm.Printf (" Write to Memory (address = 0x%" PRIx64 ", length = %" PRIu64 ", context = ", addr, (uint64_t)length); |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 381 | context.Dump (strm, instruction); |
| 382 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 383 | return length; |
| 384 | } |
| 385 | |
| 386 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 387 | EmulateInstruction::ReadRegisterDefault (EmulateInstruction *instruction, |
| 388 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 389 | const RegisterInfo *reg_info, |
| 390 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 391 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 392 | StreamFile strm (stdout, false); |
| 393 | strm.Printf (" Read Register (%s)\n", reg_info->name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 394 | uint32_t reg_kind, reg_num; |
| 395 | if (GetBestRegisterKindAndNumber (reg_info, reg_kind, reg_num)) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 396 | reg_value.SetUInt64((uint64_t)reg_kind << 24 | reg_num); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 397 | else |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 398 | reg_value.SetUInt64(0); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 399 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 400 | return true; |
| 401 | } |
| 402 | |
| 403 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 404 | EmulateInstruction::WriteRegisterDefault (EmulateInstruction *instruction, |
| 405 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 406 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 407 | const RegisterInfo *reg_info, |
| 408 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 409 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 410 | StreamFile strm (stdout, false); |
| 411 | strm.Printf (" Write to Register (name = %s, value = " , reg_info->name); |
Greg Clayton | 997b1e8 | 2011-05-15 04:12:07 +0000 | [diff] [blame] | 412 | reg_value.Dump(&strm, reg_info, false, false, eFormatDefault); |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 413 | strm.PutCString (", context = "); |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 414 | context.Dump (strm, instruction); |
| 415 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 416 | return true; |
| 417 | } |
| 418 | |
| 419 | void |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 420 | EmulateInstruction::Context::Dump (Stream &strm, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 421 | EmulateInstruction *instruction) const |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 422 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 423 | switch (type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 424 | { |
| 425 | case eContextReadOpcode: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 426 | strm.PutCString ("reading opcode"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 427 | break; |
| 428 | |
| 429 | case eContextImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 430 | strm.PutCString ("immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 431 | break; |
| 432 | |
| 433 | case eContextPushRegisterOnStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 434 | strm.PutCString ("push register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 435 | break; |
| 436 | |
| 437 | case eContextPopRegisterOffStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 438 | strm.PutCString ("pop register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 439 | break; |
| 440 | |
| 441 | case eContextAdjustStackPointer: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 442 | strm.PutCString ("adjust sp"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 443 | break; |
| 444 | |
Greg Clayton | 6561155 | 2011-06-04 01:26:29 +0000 | [diff] [blame] | 445 | case eContextSetFramePointer: |
| 446 | strm.PutCString ("set frame pointer"); |
| 447 | break; |
| 448 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 449 | case eContextAdjustBaseRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 450 | strm.PutCString ("adjusting (writing value back to) a base register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 451 | break; |
| 452 | |
| 453 | case eContextRegisterPlusOffset: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 454 | strm.PutCString ("register + offset"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 455 | break; |
| 456 | |
| 457 | case eContextRegisterStore: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 458 | strm.PutCString ("store register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 459 | break; |
| 460 | |
| 461 | case eContextRegisterLoad: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 462 | strm.PutCString ("load register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 463 | break; |
| 464 | |
| 465 | case eContextRelativeBranchImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 466 | strm.PutCString ("relative branch immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 467 | break; |
| 468 | |
| 469 | case eContextAbsoluteBranchRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 470 | strm.PutCString ("absolute branch register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 471 | break; |
| 472 | |
| 473 | case eContextSupervisorCall: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 474 | strm.PutCString ("supervisor call"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 475 | break; |
| 476 | |
| 477 | case eContextTableBranchReadMemory: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 478 | strm.PutCString ("table branch read memory"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 479 | break; |
| 480 | |
| 481 | case eContextWriteRegisterRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 482 | strm.PutCString ("write random bits to a register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 483 | break; |
| 484 | |
| 485 | case eContextWriteMemoryRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 486 | strm.PutCString ("write random bits to a memory address"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 487 | break; |
| 488 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 489 | case eContextArithmetic: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 490 | strm.PutCString ("arithmetic"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 491 | break; |
| 492 | |
| 493 | case eContextReturnFromException: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 494 | strm.PutCString ("return from exception"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 495 | break; |
| 496 | |
| 497 | default: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 498 | strm.PutCString ("unrecognized context."); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 499 | break; |
| 500 | } |
| 501 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 502 | switch (info_type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 503 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 504 | case eInfoTypeRegisterPlusOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 505 | { |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 506 | strm.Printf (" (reg_plus_offset = %s%+" PRId64 ")", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 507 | info.RegisterPlusOffset.reg.name, |
| 508 | info.RegisterPlusOffset.signed_offset); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 509 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 510 | break; |
| 511 | |
| 512 | case eInfoTypeRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 513 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 514 | strm.Printf (" (reg_plus_reg = %s + %s)", |
| 515 | info.RegisterPlusIndirectOffset.base_reg.name, |
| 516 | info.RegisterPlusIndirectOffset.offset_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 517 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 518 | break; |
| 519 | |
| 520 | case eInfoTypeRegisterToRegisterPlusOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 521 | { |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 522 | strm.Printf (" (base_and_imm_offset = %s%+" PRId64 ", data_reg = %s)", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 523 | info.RegisterToRegisterPlusOffset.base_reg.name, |
| 524 | info.RegisterToRegisterPlusOffset.offset, |
| 525 | info.RegisterToRegisterPlusOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 526 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 527 | break; |
| 528 | |
| 529 | case eInfoTypeRegisterToRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 530 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 531 | strm.Printf (" (base_and_reg_offset = %s + %s, data_reg = %s)", |
| 532 | info.RegisterToRegisterPlusIndirectOffset.base_reg.name, |
| 533 | info.RegisterToRegisterPlusIndirectOffset.offset_reg.name, |
| 534 | info.RegisterToRegisterPlusIndirectOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 535 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 536 | break; |
| 537 | |
| 538 | case eInfoTypeRegisterRegisterOperands: |
| 539 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 540 | strm.Printf (" (register to register binary op: %s and %s)", |
| 541 | info.RegisterRegisterOperands.operand1.name, |
| 542 | info.RegisterRegisterOperands.operand2.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 543 | } |
| 544 | break; |
| 545 | |
| 546 | case eInfoTypeOffset: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 547 | strm.Printf (" (signed_offset = %+" PRId64 ")", info.signed_offset); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 548 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 549 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 550 | case eInfoTypeRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 551 | strm.Printf (" (reg = %s)", info.reg.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 552 | break; |
| 553 | |
| 554 | case eInfoTypeImmediate: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 555 | strm.Printf (" (unsigned_immediate = %" PRIu64 " (0x%16.16" PRIx64 "))", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 556 | info.unsigned_immediate, |
| 557 | info.unsigned_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 558 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 559 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 560 | case eInfoTypeImmediateSigned: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 561 | strm.Printf (" (signed_immediate = %+" PRId64 " (0x%16.16" PRIx64 "))", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 562 | info.signed_immediate, |
| 563 | info.signed_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 564 | break; |
| 565 | |
| 566 | case eInfoTypeAddress: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 567 | strm.Printf (" (address = 0x%" PRIx64 ")", info.address); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 568 | break; |
| 569 | |
| 570 | case eInfoTypeISAAndImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 571 | strm.Printf (" (isa = %u, unsigned_immediate = %u (0x%8.8x))", |
| 572 | info.ISAAndImmediate.isa, |
| 573 | info.ISAAndImmediate.unsigned_data32, |
| 574 | info.ISAAndImmediate.unsigned_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 575 | break; |
| 576 | |
| 577 | case eInfoTypeISAAndImmediateSigned: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 578 | strm.Printf (" (isa = %u, signed_immediate = %i (0x%8.8x))", |
| 579 | info.ISAAndImmediateSigned.isa, |
| 580 | info.ISAAndImmediateSigned.signed_data32, |
| 581 | info.ISAAndImmediateSigned.signed_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 582 | break; |
| 583 | |
| 584 | case eInfoTypeISA: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 585 | strm.Printf (" (isa = %u)", info.isa); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 586 | break; |
| 587 | |
| 588 | case eInfoTypeNoArgs: |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 589 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 590 | } |
| 591 | } |
| 592 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 593 | bool |
| 594 | EmulateInstruction::SetInstruction (const Opcode &opcode, const Address &inst_addr, Target *target) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 595 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 596 | m_opcode = opcode; |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 597 | m_addr = LLDB_INVALID_ADDRESS; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 598 | if (inst_addr.IsValid()) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 599 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 600 | if (target) |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 601 | m_addr = inst_addr.GetLoadAddress (target); |
| 602 | if (m_addr == LLDB_INVALID_ADDRESS) |
| 603 | m_addr = inst_addr.GetFileAddress (); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 604 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 605 | return true; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 606 | } |
| 607 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 608 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 609 | EmulateInstruction::GetBestRegisterKindAndNumber (const RegisterInfo *reg_info, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 610 | uint32_t ®_kind, |
| 611 | uint32_t ®_num) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 612 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 613 | // Generic and DWARF should be the two most popular register kinds when |
| 614 | // emulating instructions since they are the most platform agnostic... |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 615 | reg_num = reg_info->kinds[eRegisterKindGeneric]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 616 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 617 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 618 | reg_kind = eRegisterKindGeneric; |
| 619 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 620 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 621 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 622 | reg_num = reg_info->kinds[eRegisterKindDWARF]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 623 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 624 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 625 | reg_kind = eRegisterKindDWARF; |
| 626 | return true; |
| 627 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 628 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 629 | reg_num = reg_info->kinds[eRegisterKindLLDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 630 | if (reg_num != LLDB_INVALID_REGNUM) |
| 631 | { |
| 632 | reg_kind = eRegisterKindLLDB; |
| 633 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 634 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 635 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 636 | reg_num = reg_info->kinds[eRegisterKindGCC]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 637 | if (reg_num != LLDB_INVALID_REGNUM) |
| 638 | { |
| 639 | reg_kind = eRegisterKindGCC; |
| 640 | return true; |
| 641 | } |
| 642 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 643 | reg_num = reg_info->kinds[eRegisterKindGDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 644 | if (reg_num != LLDB_INVALID_REGNUM) |
| 645 | { |
| 646 | reg_kind = eRegisterKindGDB; |
| 647 | return true; |
| 648 | } |
| 649 | return false; |
| 650 | } |
| 651 | |
| 652 | uint32_t |
| 653 | EmulateInstruction::GetInternalRegisterNumber (RegisterContext *reg_ctx, const RegisterInfo ®_info) |
| 654 | { |
| 655 | uint32_t reg_kind, reg_num; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 656 | if (reg_ctx && GetBestRegisterKindAndNumber (®_info, reg_kind, reg_num)) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 657 | return reg_ctx->ConvertRegisterKindToRegisterNumber (reg_kind, reg_num); |
| 658 | return LLDB_INVALID_REGNUM; |
| 659 | } |
| 660 | |
| 661 | |
| 662 | bool |
| 663 | EmulateInstruction::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan) |
| 664 | { |
| 665 | unwind_plan.Clear(); |
| 666 | return false; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 667 | } |
| 668 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 669 | |