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" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 13 | #include "lldb/Core/DataBufferHeap.h" |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 14 | #include "lldb/Core/DataExtractor.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 15 | #include "lldb/Core/Error.h" |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 16 | #include "lldb/Core/PluginManager.h" |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 17 | #include "lldb/Core/RegisterValue.h" |
| 18 | #include "lldb/Core/StreamFile.h" |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 19 | #include "lldb/Core/StreamString.h" |
Greg Clayton | cd54803 | 2011-02-01 01:31:41 +0000 | [diff] [blame] | 20 | #include "lldb/Host/Endian.h" |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 21 | #include "lldb/Symbol/UnwindPlan.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 22 | #include "lldb/Target/Process.h" |
| 23 | #include "lldb/Target/RegisterContext.h" |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 24 | #include "lldb/Target/Target.h" |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 25 | #include "lldb/Target/Thread.h" |
| 26 | |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 27 | using namespace lldb; |
| 28 | using namespace lldb_private; |
| 29 | |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 30 | EmulateInstruction* |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 31 | 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] | 32 | { |
| 33 | EmulateInstructionCreateInstance create_callback = NULL; |
| 34 | if (plugin_name) |
| 35 | { |
| 36 | create_callback = PluginManager::GetEmulateInstructionCreateCallbackForPluginName (plugin_name); |
| 37 | if (create_callback) |
| 38 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 39 | EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 40 | if (emulate_insn_ptr) |
| 41 | return emulate_insn_ptr; |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 42 | } |
| 43 | } |
| 44 | else |
| 45 | { |
| 46 | for (uint32_t idx = 0; (create_callback = PluginManager::GetEmulateInstructionCreateCallbackAtIndex(idx)) != NULL; ++idx) |
| 47 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 48 | EmulateInstruction *emulate_insn_ptr = create_callback(arch, supported_inst_type); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 49 | if (emulate_insn_ptr) |
| 50 | return emulate_insn_ptr; |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 51 | } |
| 52 | } |
| 53 | return NULL; |
| 54 | } |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 55 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 56 | EmulateInstruction::EmulateInstruction (const ArchSpec &arch) : |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 57 | m_arch (arch), |
| 58 | m_baton (NULL), |
| 59 | m_read_mem_callback (&ReadMemoryDefault), |
| 60 | m_write_mem_callback (&WriteMemoryDefault), |
| 61 | m_read_reg_callback (&ReadRegisterDefault), |
| 62 | m_write_reg_callback (&WriteRegisterDefault), |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 63 | m_addr (LLDB_INVALID_ADDRESS) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 64 | { |
| 65 | ::memset (&m_opcode, 0, sizeof (m_opcode)); |
| 66 | } |
| 67 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 68 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 69 | bool |
| 70 | EmulateInstruction::ReadRegister (const RegisterInfo *reg_info, RegisterValue& reg_value) |
| 71 | { |
| 72 | if (m_read_reg_callback) |
| 73 | return m_read_reg_callback (this, m_baton, reg_info, reg_value); |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | bool |
| 78 | 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] | 79 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 80 | RegisterInfo reg_info; |
| 81 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 82 | return ReadRegister (®_info, reg_value); |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | uint64_t |
| 87 | EmulateInstruction::ReadRegisterUnsigned (uint32_t reg_kind, |
| 88 | uint32_t reg_num, |
| 89 | uint64_t fail_value, |
| 90 | bool *success_ptr) |
| 91 | { |
| 92 | RegisterValue reg_value; |
| 93 | if (ReadRegister (reg_kind, reg_num, reg_value)) |
| 94 | return reg_value.GetAsUInt64(fail_value, success_ptr); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 95 | if (success_ptr) |
| 96 | *success_ptr = false; |
| 97 | return fail_value; |
| 98 | } |
| 99 | |
| 100 | uint64_t |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 101 | EmulateInstruction::ReadRegisterUnsigned (const RegisterInfo *reg_info, |
| 102 | uint64_t fail_value, |
| 103 | bool *success_ptr) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 104 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 105 | RegisterValue reg_value; |
| 106 | if (ReadRegister (reg_info, reg_value)) |
| 107 | return reg_value.GetAsUInt64(fail_value, success_ptr); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 108 | if (success_ptr) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 109 | *success_ptr = false; |
| 110 | return fail_value; |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 114 | EmulateInstruction::WriteRegister (const Context &context, |
| 115 | const RegisterInfo *reg_info, |
| 116 | const RegisterValue& reg_value) |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 117 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 118 | if (m_write_reg_callback) |
| 119 | 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] | 120 | return false; |
| 121 | } |
| 122 | |
| 123 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 124 | EmulateInstruction::WriteRegister (const Context &context, |
| 125 | uint32_t reg_kind, |
| 126 | uint32_t reg_num, |
| 127 | const RegisterValue& reg_value) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 128 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 129 | RegisterInfo reg_info; |
| 130 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
| 131 | return WriteRegister (context, ®_info, reg_value); |
| 132 | return false; |
| 133 | } |
| 134 | |
| 135 | |
| 136 | bool |
| 137 | EmulateInstruction::WriteRegisterUnsigned (const Context &context, |
| 138 | uint32_t reg_kind, |
| 139 | uint32_t reg_num, |
| 140 | uint64_t uint_value) |
| 141 | { |
| 142 | |
| 143 | RegisterInfo reg_info; |
| 144 | if (GetRegisterInfo(reg_kind, reg_num, reg_info)) |
| 145 | { |
| 146 | RegisterValue reg_value; |
| 147 | if (reg_value.SetUInt(uint_value, reg_info.byte_size)) |
| 148 | return WriteRegister (context, ®_info, reg_value); |
| 149 | } |
| 150 | return false; |
| 151 | } |
| 152 | |
| 153 | bool |
| 154 | EmulateInstruction::WriteRegisterUnsigned (const Context &context, |
| 155 | const RegisterInfo *reg_info, |
| 156 | uint64_t uint_value) |
| 157 | { |
| 158 | |
| 159 | if (reg_info) |
| 160 | { |
| 161 | RegisterValue reg_value; |
| 162 | if (reg_value.SetUInt(uint_value, reg_info->byte_size)) |
| 163 | return WriteRegister (context, reg_info, reg_value); |
| 164 | } |
| 165 | return false; |
| 166 | } |
| 167 | |
| 168 | size_t |
| 169 | EmulateInstruction::ReadMemory (const Context &context, |
| 170 | lldb::addr_t addr, |
| 171 | void *dst, |
| 172 | size_t dst_len) |
| 173 | { |
| 174 | if (m_read_mem_callback) |
| 175 | return m_read_mem_callback (this, m_baton, context, addr, dst, dst_len) == dst_len; |
| 176 | return false; |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | uint64_t |
| 180 | EmulateInstruction::ReadMemoryUnsigned (const Context &context, lldb::addr_t addr, size_t byte_size, uint64_t fail_value, bool *success_ptr) |
| 181 | { |
| 182 | uint64_t uval64 = 0; |
| 183 | bool success = false; |
| 184 | if (byte_size <= 8) |
| 185 | { |
| 186 | uint8_t buf[sizeof(uint64_t)]; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 187 | 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] | 188 | if (bytes_read == byte_size) |
| 189 | { |
| 190 | uint32_t offset = 0; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 191 | DataExtractor data (buf, byte_size, GetByteOrder(), GetAddressByteSize()); |
Greg Clayton | 64c8443 | 2011-01-21 22:02:52 +0000 | [diff] [blame] | 192 | uval64 = data.GetMaxU64 (&offset, byte_size); |
| 193 | success = true; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | if (success_ptr) |
| 198 | *success_ptr = success; |
| 199 | |
| 200 | if (!success) |
| 201 | uval64 = fail_value; |
| 202 | return uval64; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | bool |
| 207 | EmulateInstruction::WriteMemoryUnsigned (const Context &context, |
| 208 | lldb::addr_t addr, |
| 209 | uint64_t uval, |
| 210 | size_t uval_byte_size) |
| 211 | { |
| 212 | StreamString strm(Stream::eBinary, GetAddressByteSize(), GetByteOrder()); |
| 213 | strm.PutMaxHex64 (uval, uval_byte_size); |
| 214 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 215 | 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] | 216 | if (bytes_written == uval_byte_size) |
| 217 | return true; |
| 218 | return false; |
| 219 | } |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 220 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 221 | bool |
| 222 | EmulateInstruction::WriteMemory (const Context &context, |
| 223 | lldb::addr_t addr, |
| 224 | const void *src, |
| 225 | size_t src_len) |
| 226 | { |
| 227 | if (m_write_mem_callback) |
| 228 | return m_write_mem_callback (this, m_baton, context, addr, src, src_len) == src_len; |
| 229 | return false; |
| 230 | } |
| 231 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 232 | |
| 233 | void |
| 234 | EmulateInstruction::SetBaton (void *baton) |
| 235 | { |
| 236 | m_baton = baton; |
| 237 | } |
| 238 | |
| 239 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 240 | EmulateInstruction::SetCallbacks (ReadMemoryCallback read_mem_callback, |
| 241 | WriteMemoryCallback write_mem_callback, |
| 242 | ReadRegisterCallback read_reg_callback, |
| 243 | WriteRegisterCallback write_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 244 | { |
| 245 | m_read_mem_callback = read_mem_callback; |
| 246 | m_write_mem_callback = write_mem_callback; |
| 247 | m_read_reg_callback = read_reg_callback; |
| 248 | m_write_reg_callback = write_reg_callback; |
| 249 | } |
| 250 | |
| 251 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 252 | EmulateInstruction::SetReadMemCallback (ReadMemoryCallback read_mem_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 253 | { |
| 254 | m_read_mem_callback = read_mem_callback; |
| 255 | } |
| 256 | |
| 257 | |
| 258 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 259 | EmulateInstruction::SetWriteMemCallback (WriteMemoryCallback write_mem_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 260 | { |
| 261 | m_write_mem_callback = write_mem_callback; |
| 262 | } |
| 263 | |
| 264 | |
| 265 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 266 | EmulateInstruction::SetReadRegCallback (ReadRegisterCallback read_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 267 | { |
| 268 | m_read_reg_callback = read_reg_callback; |
| 269 | } |
| 270 | |
| 271 | |
| 272 | void |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 273 | EmulateInstruction::SetWriteRegCallback (WriteRegisterCallback write_reg_callback) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 274 | { |
| 275 | m_write_reg_callback = write_reg_callback; |
| 276 | } |
| 277 | |
| 278 | |
| 279 | |
| 280 | // |
| 281 | // Read & Write Memory and Registers callback functions. |
| 282 | // |
| 283 | |
| 284 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 285 | EmulateInstruction::ReadMemoryFrame (EmulateInstruction *instruction, |
| 286 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 287 | const Context &context, |
| 288 | lldb::addr_t addr, |
| 289 | void *dst, |
| 290 | size_t length) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 291 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 292 | if (!baton) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 293 | return 0; |
| 294 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 295 | |
| 296 | StackFrame *frame = (StackFrame *) baton; |
| 297 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 298 | DataBufferSP data_sp (new DataBufferHeap (length, '\0')); |
| 299 | Error error; |
| 300 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 301 | size_t bytes_read = frame->GetThread().GetProcess().ReadMemory (addr, data_sp->GetBytes(), data_sp->GetByteSize(), |
| 302 | error); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 303 | |
| 304 | if (bytes_read > 0) |
| 305 | ((DataBufferHeap *) data_sp.get())->CopyData (dst, length); |
| 306 | |
| 307 | return bytes_read; |
| 308 | } |
| 309 | |
| 310 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 311 | EmulateInstruction::WriteMemoryFrame (EmulateInstruction *instruction, |
| 312 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 313 | const Context &context, |
| 314 | lldb::addr_t addr, |
| 315 | const void *dst, |
| 316 | size_t length) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 317 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 318 | if (!baton) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 319 | return 0; |
| 320 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 321 | StackFrame *frame = (StackFrame *) baton; |
| 322 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 323 | lldb::DataBufferSP data_sp (new DataBufferHeap (dst, length)); |
| 324 | if (data_sp) |
| 325 | { |
| 326 | length = data_sp->GetByteSize(); |
| 327 | if (length > 0) |
| 328 | { |
| 329 | Error error; |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 330 | size_t bytes_written = frame->GetThread().GetProcess().WriteMemory (addr, data_sp->GetBytes(), length, |
| 331 | error); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 332 | |
| 333 | return bytes_written; |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | return 0; |
| 338 | } |
| 339 | |
| 340 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 341 | EmulateInstruction::ReadRegisterFrame (EmulateInstruction *instruction, |
| 342 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 343 | const RegisterInfo *reg_info, |
| 344 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 345 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 346 | if (!baton) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 347 | return false; |
| 348 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 349 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 350 | return frame->GetRegisterContext()->ReadRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 354 | EmulateInstruction::WriteRegisterFrame (EmulateInstruction *instruction, |
| 355 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 356 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 357 | const RegisterInfo *reg_info, |
| 358 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 359 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 360 | if (!baton) |
| 361 | return false; |
| 362 | |
| 363 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 364 | return frame->GetRegisterContext()->WriteRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 368 | EmulateInstruction::ReadMemoryDefault (EmulateInstruction *instruction, |
| 369 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 370 | const Context &context, |
| 371 | lldb::addr_t addr, |
| 372 | void *dst, |
| 373 | size_t length) |
| 374 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 375 | StreamFile strm (stdout, false); |
| 376 | strm.Printf (" Read from Memory (address = 0x%llx, length = %zu, context = ", addr, length); |
| 377 | context.Dump (strm, instruction); |
| 378 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 379 | *((uint64_t *) dst) = 0xdeadbeef; |
| 380 | return length; |
| 381 | } |
| 382 | |
| 383 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 384 | EmulateInstruction::WriteMemoryDefault (EmulateInstruction *instruction, |
| 385 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 386 | const Context &context, |
| 387 | lldb::addr_t addr, |
| 388 | const void *dst, |
| 389 | size_t length) |
| 390 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 391 | StreamFile strm (stdout, false); |
| 392 | strm.Printf (" Write to Memory (address = 0x%llx, length = %zu, context = ", addr, length); |
| 393 | context.Dump (strm, instruction); |
| 394 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 395 | return length; |
| 396 | } |
| 397 | |
| 398 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 399 | EmulateInstruction::ReadRegisterDefault (EmulateInstruction *instruction, |
| 400 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 401 | const RegisterInfo *reg_info, |
| 402 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 403 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 404 | StreamFile strm (stdout, false); |
| 405 | strm.Printf (" Read Register (%s)\n", reg_info->name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 406 | uint32_t reg_kind, reg_num; |
| 407 | if (GetBestRegisterKindAndNumber (reg_info, reg_kind, reg_num)) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 408 | reg_value.SetUInt64((uint64_t)reg_kind << 24 | reg_num); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 409 | else |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 410 | reg_value.SetUInt64(0); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 411 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 412 | return true; |
| 413 | } |
| 414 | |
| 415 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 416 | EmulateInstruction::WriteRegisterDefault (EmulateInstruction *instruction, |
| 417 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 418 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 419 | const RegisterInfo *reg_info, |
| 420 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 421 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 422 | StreamFile strm (stdout, false); |
| 423 | strm.Printf (" Write to Register (name = %s, value = " , reg_info->name); |
| 424 | reg_value.Dump(&strm, reg_info, false); |
| 425 | strm.PutCString (", context = "); |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 426 | context.Dump (strm, instruction); |
| 427 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 428 | return true; |
| 429 | } |
| 430 | |
| 431 | void |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 432 | EmulateInstruction::Context::Dump (Stream &strm, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 433 | EmulateInstruction *instruction) const |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 434 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 435 | switch (type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 436 | { |
| 437 | case eContextReadOpcode: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 438 | strm.PutCString ("reading opcode"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 439 | break; |
| 440 | |
| 441 | case eContextImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 442 | strm.PutCString ("immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 443 | break; |
| 444 | |
| 445 | case eContextPushRegisterOnStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 446 | strm.PutCString ("push register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 447 | break; |
| 448 | |
| 449 | case eContextPopRegisterOffStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 450 | strm.PutCString ("pop register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 451 | break; |
| 452 | |
| 453 | case eContextAdjustStackPointer: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 454 | strm.PutCString ("adjust sp"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 455 | break; |
| 456 | |
| 457 | case eContextAdjustBaseRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 458 | strm.PutCString ("adjusting (writing value back to) a base register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 459 | break; |
| 460 | |
| 461 | case eContextRegisterPlusOffset: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 462 | strm.PutCString ("register + offset"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 463 | break; |
| 464 | |
| 465 | case eContextRegisterStore: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 466 | strm.PutCString ("store register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 467 | break; |
| 468 | |
| 469 | case eContextRegisterLoad: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 470 | strm.PutCString ("load register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 471 | break; |
| 472 | |
| 473 | case eContextRelativeBranchImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 474 | strm.PutCString ("relative branch immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 475 | break; |
| 476 | |
| 477 | case eContextAbsoluteBranchRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 478 | strm.PutCString ("absolute branch register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 479 | break; |
| 480 | |
| 481 | case eContextSupervisorCall: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 482 | strm.PutCString ("supervisor call"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 483 | break; |
| 484 | |
| 485 | case eContextTableBranchReadMemory: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 486 | strm.PutCString ("table branch read memory"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 487 | break; |
| 488 | |
| 489 | case eContextWriteRegisterRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 490 | strm.PutCString ("write random bits to a register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 491 | break; |
| 492 | |
| 493 | case eContextWriteMemoryRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 494 | strm.PutCString ("write random bits to a memory address"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 495 | break; |
| 496 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 497 | case eContextArithmetic: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 498 | strm.PutCString ("arithmetic"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 499 | break; |
| 500 | |
| 501 | case eContextReturnFromException: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 502 | strm.PutCString ("return from exception"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 503 | break; |
| 504 | |
| 505 | default: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 506 | strm.PutCString ("unrecognized context."); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 507 | break; |
| 508 | } |
| 509 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 510 | switch (info_type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 511 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 512 | case eInfoTypeRegisterPlusOffset: |
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_offset = %s%+lld)", |
| 515 | info.RegisterPlusOffset.reg.name, |
| 516 | info.RegisterPlusOffset.signed_offset); |
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 eInfoTypeRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 521 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 522 | strm.Printf (" (reg_plus_reg = %s + %s)", |
| 523 | info.RegisterPlusIndirectOffset.base_reg.name, |
| 524 | info.RegisterPlusIndirectOffset.offset_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 525 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 526 | break; |
| 527 | |
| 528 | case eInfoTypeRegisterToRegisterPlusOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 529 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 530 | strm.Printf (" (base_and_imm_offset = %s%+lld, data_reg = %s)", |
| 531 | info.RegisterToRegisterPlusOffset.base_reg.name, |
| 532 | info.RegisterToRegisterPlusOffset.offset, |
| 533 | info.RegisterToRegisterPlusOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 534 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 535 | break; |
| 536 | |
| 537 | case eInfoTypeRegisterToRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 538 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 539 | strm.Printf (" (base_and_reg_offset = %s + %s, data_reg = %s)", |
| 540 | info.RegisterToRegisterPlusIndirectOffset.base_reg.name, |
| 541 | info.RegisterToRegisterPlusIndirectOffset.offset_reg.name, |
| 542 | info.RegisterToRegisterPlusIndirectOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 543 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 544 | break; |
| 545 | |
| 546 | case eInfoTypeRegisterRegisterOperands: |
| 547 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 548 | strm.Printf (" (register to register binary op: %s and %s)", |
| 549 | info.RegisterRegisterOperands.operand1.name, |
| 550 | info.RegisterRegisterOperands.operand2.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 551 | } |
| 552 | break; |
| 553 | |
| 554 | case eInfoTypeOffset: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 555 | strm.Printf (" (signed_offset = %+lld)", info.signed_offset); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 556 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 557 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 558 | case eInfoTypeRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 559 | strm.Printf (" (reg = %s)", info.reg.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 560 | break; |
| 561 | |
| 562 | case eInfoTypeImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 563 | strm.Printf (" (unsigned_immediate = %llu (0x%16.16llx))", |
| 564 | info.unsigned_immediate, |
| 565 | info.unsigned_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 566 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 567 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 568 | case eInfoTypeImmediateSigned: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 569 | strm.Printf (" (signed_immediate = %+lld (0x%16.16llx))", |
| 570 | info.signed_immediate, |
| 571 | info.signed_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 572 | break; |
| 573 | |
| 574 | case eInfoTypeAddress: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 575 | strm.Printf (" (address = 0x%llx)", info.address); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 576 | break; |
| 577 | |
| 578 | case eInfoTypeISAAndImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 579 | strm.Printf (" (isa = %u, unsigned_immediate = %u (0x%8.8x))", |
| 580 | info.ISAAndImmediate.isa, |
| 581 | info.ISAAndImmediate.unsigned_data32, |
| 582 | info.ISAAndImmediate.unsigned_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 583 | break; |
| 584 | |
| 585 | case eInfoTypeISAAndImmediateSigned: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 586 | strm.Printf (" (isa = %u, signed_immediate = %i (0x%8.8x))", |
| 587 | info.ISAAndImmediateSigned.isa, |
| 588 | info.ISAAndImmediateSigned.signed_data32, |
| 589 | info.ISAAndImmediateSigned.signed_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 590 | break; |
| 591 | |
| 592 | case eInfoTypeISA: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 593 | strm.Printf (" (isa = %u)", info.isa); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 594 | break; |
| 595 | |
| 596 | case eInfoTypeNoArgs: |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 597 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 598 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 599 | default: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame^] | 600 | strm.Printf (" (unknown <info_type>)"); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 601 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 602 | } |
| 603 | } |
| 604 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 605 | bool |
| 606 | EmulateInstruction::SetInstruction (const Opcode &opcode, const Address &inst_addr, Target *target) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 607 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 608 | m_opcode = opcode; |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 609 | m_addr = LLDB_INVALID_ADDRESS; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 610 | if (inst_addr.IsValid()) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 611 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 612 | if (target) |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 613 | m_addr = inst_addr.GetLoadAddress (target); |
| 614 | if (m_addr == LLDB_INVALID_ADDRESS) |
| 615 | m_addr = inst_addr.GetFileAddress (); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 616 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 617 | return true; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 618 | } |
| 619 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 620 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 621 | EmulateInstruction::GetBestRegisterKindAndNumber (const RegisterInfo *reg_info, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 622 | uint32_t ®_kind, |
| 623 | uint32_t ®_num) |
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 | // Generic and DWARF should be the two most popular register kinds when |
| 626 | // emulating instructions since they are the most platform agnostic... |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 627 | reg_num = reg_info->kinds[eRegisterKindGeneric]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 628 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 629 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 630 | reg_kind = eRegisterKindGeneric; |
| 631 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 632 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 633 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 634 | reg_num = reg_info->kinds[eRegisterKindDWARF]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 635 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 636 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 637 | reg_kind = eRegisterKindDWARF; |
| 638 | return true; |
| 639 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 640 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 641 | reg_num = reg_info->kinds[eRegisterKindLLDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 642 | if (reg_num != LLDB_INVALID_REGNUM) |
| 643 | { |
| 644 | reg_kind = eRegisterKindLLDB; |
| 645 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 646 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 647 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 648 | reg_num = reg_info->kinds[eRegisterKindGCC]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 649 | if (reg_num != LLDB_INVALID_REGNUM) |
| 650 | { |
| 651 | reg_kind = eRegisterKindGCC; |
| 652 | return true; |
| 653 | } |
| 654 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 655 | reg_num = reg_info->kinds[eRegisterKindGDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 656 | if (reg_num != LLDB_INVALID_REGNUM) |
| 657 | { |
| 658 | reg_kind = eRegisterKindGDB; |
| 659 | return true; |
| 660 | } |
| 661 | return false; |
| 662 | } |
| 663 | |
| 664 | uint32_t |
| 665 | EmulateInstruction::GetInternalRegisterNumber (RegisterContext *reg_ctx, const RegisterInfo ®_info) |
| 666 | { |
| 667 | uint32_t reg_kind, reg_num; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 668 | if (reg_ctx && GetBestRegisterKindAndNumber (®_info, reg_kind, reg_num)) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 669 | return reg_ctx->ConvertRegisterKindToRegisterNumber (reg_kind, reg_num); |
| 670 | return LLDB_INVALID_REGNUM; |
| 671 | } |
| 672 | |
| 673 | |
| 674 | bool |
| 675 | EmulateInstruction::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan) |
| 676 | { |
| 677 | unwind_plan.Clear(); |
| 678 | return false; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 679 | } |
| 680 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 681 | |