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 | { |
Greg Clayton | 0e19160 | 2013-05-10 21:47:16 +0000 | [diff] [blame] | 35 | ConstString const_plugin_name (plugin_name); |
| 36 | create_callback = PluginManager::GetEmulateInstructionCreateCallbackForPluginName (const_plugin_name); |
Greg Clayton | 52fd984 | 2011-02-02 02:24:04 +0000 | [diff] [blame] | 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 | { |
Greg Clayton | 36da2aa | 2013-01-25 18:06:21 +0000 | [diff] [blame] | 190 | lldb::offset_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, |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 290 | size_t dst_len) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 291 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 292 | if (!baton || dst == NULL || dst_len == 0) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 293 | return 0; |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 294 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 295 | StackFrame *frame = (StackFrame *) baton; |
| 296 | |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 297 | ProcessSP process_sp (frame->CalculateProcess()); |
| 298 | if (process_sp) |
| 299 | { |
| 300 | Error error; |
| 301 | return process_sp->ReadMemory (addr, dst, dst_len, error); |
| 302 | } |
| 303 | return 0; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 307 | EmulateInstruction::WriteMemoryFrame (EmulateInstruction *instruction, |
| 308 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 309 | const Context &context, |
| 310 | lldb::addr_t addr, |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 311 | const void *src, |
| 312 | size_t src_len) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 313 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 314 | if (!baton || src == NULL || src_len == 0) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 315 | return 0; |
| 316 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 317 | StackFrame *frame = (StackFrame *) baton; |
| 318 | |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 319 | ProcessSP process_sp (frame->CalculateProcess()); |
| 320 | if (process_sp) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 321 | { |
Greg Clayton | 289afcb | 2012-02-18 05:35:26 +0000 | [diff] [blame] | 322 | Error error; |
| 323 | return process_sp->WriteMemory (addr, src, src_len, error); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 330 | EmulateInstruction::ReadRegisterFrame (EmulateInstruction *instruction, |
| 331 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 332 | const RegisterInfo *reg_info, |
| 333 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 334 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 335 | if (!baton) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 336 | return false; |
| 337 | |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 338 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 339 | return frame->GetRegisterContext()->ReadRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 343 | EmulateInstruction::WriteRegisterFrame (EmulateInstruction *instruction, |
| 344 | void *baton, |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 345 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 346 | const RegisterInfo *reg_info, |
| 347 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 348 | { |
Caroline Tice | ea69d6d | 2011-04-05 20:18:48 +0000 | [diff] [blame] | 349 | if (!baton) |
| 350 | return false; |
| 351 | |
| 352 | StackFrame *frame = (StackFrame *) baton; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 353 | return frame->GetRegisterContext()->WriteRegister (reg_info, reg_value); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 357 | EmulateInstruction::ReadMemoryDefault (EmulateInstruction *instruction, |
| 358 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 359 | const Context &context, |
| 360 | lldb::addr_t addr, |
| 361 | void *dst, |
| 362 | size_t length) |
| 363 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 364 | StreamFile strm (stdout, false); |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 365 | 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] | 366 | context.Dump (strm, instruction); |
| 367 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 368 | *((uint64_t *) dst) = 0xdeadbeef; |
| 369 | return length; |
| 370 | } |
| 371 | |
| 372 | size_t |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 373 | EmulateInstruction::WriteMemoryDefault (EmulateInstruction *instruction, |
| 374 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 375 | const Context &context, |
| 376 | lldb::addr_t addr, |
| 377 | const void *dst, |
| 378 | size_t length) |
| 379 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 380 | StreamFile strm (stdout, false); |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 381 | 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] | 382 | context.Dump (strm, instruction); |
| 383 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 384 | return length; |
| 385 | } |
| 386 | |
| 387 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 388 | EmulateInstruction::ReadRegisterDefault (EmulateInstruction *instruction, |
| 389 | void *baton, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 390 | const RegisterInfo *reg_info, |
| 391 | RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 392 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 393 | StreamFile strm (stdout, false); |
| 394 | strm.Printf (" Read Register (%s)\n", reg_info->name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 395 | uint32_t reg_kind, reg_num; |
| 396 | if (GetBestRegisterKindAndNumber (reg_info, reg_kind, reg_num)) |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 397 | reg_value.SetUInt64((uint64_t)reg_kind << 24 | reg_num); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 398 | else |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 399 | reg_value.SetUInt64(0); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 400 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 401 | return true; |
| 402 | } |
| 403 | |
| 404 | bool |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 405 | EmulateInstruction::WriteRegisterDefault (EmulateInstruction *instruction, |
| 406 | void *baton, |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 407 | const Context &context, |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 408 | const RegisterInfo *reg_info, |
| 409 | const RegisterValue ®_value) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 410 | { |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 411 | StreamFile strm (stdout, false); |
| 412 | strm.Printf (" Write to Register (name = %s, value = " , reg_info->name); |
Greg Clayton | 997b1e8 | 2011-05-15 04:12:07 +0000 | [diff] [blame] | 413 | reg_value.Dump(&strm, reg_info, false, false, eFormatDefault); |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 414 | strm.PutCString (", context = "); |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 415 | context.Dump (strm, instruction); |
| 416 | strm.EOL(); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 417 | return true; |
| 418 | } |
| 419 | |
| 420 | void |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 421 | EmulateInstruction::Context::Dump (Stream &strm, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 422 | EmulateInstruction *instruction) const |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 423 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 424 | switch (type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 425 | { |
| 426 | case eContextReadOpcode: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 427 | strm.PutCString ("reading opcode"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 428 | break; |
| 429 | |
| 430 | case eContextImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 431 | strm.PutCString ("immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 432 | break; |
| 433 | |
| 434 | case eContextPushRegisterOnStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 435 | strm.PutCString ("push register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 436 | break; |
| 437 | |
| 438 | case eContextPopRegisterOffStack: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 439 | strm.PutCString ("pop register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 440 | break; |
| 441 | |
| 442 | case eContextAdjustStackPointer: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 443 | strm.PutCString ("adjust sp"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 444 | break; |
| 445 | |
Greg Clayton | 6561155 | 2011-06-04 01:26:29 +0000 | [diff] [blame] | 446 | case eContextSetFramePointer: |
| 447 | strm.PutCString ("set frame pointer"); |
| 448 | break; |
| 449 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 450 | case eContextAdjustBaseRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 451 | strm.PutCString ("adjusting (writing value back to) a base register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 452 | break; |
| 453 | |
| 454 | case eContextRegisterPlusOffset: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 455 | strm.PutCString ("register + offset"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 456 | break; |
| 457 | |
| 458 | case eContextRegisterStore: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 459 | strm.PutCString ("store register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 460 | break; |
| 461 | |
| 462 | case eContextRegisterLoad: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 463 | strm.PutCString ("load register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 464 | break; |
| 465 | |
| 466 | case eContextRelativeBranchImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 467 | strm.PutCString ("relative branch immediate"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 468 | break; |
| 469 | |
| 470 | case eContextAbsoluteBranchRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 471 | strm.PutCString ("absolute branch register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 472 | break; |
| 473 | |
| 474 | case eContextSupervisorCall: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 475 | strm.PutCString ("supervisor call"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 476 | break; |
| 477 | |
| 478 | case eContextTableBranchReadMemory: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 479 | strm.PutCString ("table branch read memory"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 480 | break; |
| 481 | |
| 482 | case eContextWriteRegisterRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 483 | strm.PutCString ("write random bits to a register"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 484 | break; |
| 485 | |
| 486 | case eContextWriteMemoryRandomBits: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 487 | strm.PutCString ("write random bits to a memory address"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 488 | break; |
| 489 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 490 | case eContextArithmetic: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 491 | strm.PutCString ("arithmetic"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 492 | break; |
| 493 | |
| 494 | case eContextReturnFromException: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 495 | strm.PutCString ("return from exception"); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 496 | break; |
| 497 | |
| 498 | default: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 499 | strm.PutCString ("unrecognized context."); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 500 | break; |
| 501 | } |
| 502 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 503 | switch (info_type) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 504 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 505 | case eInfoTypeRegisterPlusOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 506 | { |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 507 | strm.Printf (" (reg_plus_offset = %s%+" PRId64 ")", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 508 | info.RegisterPlusOffset.reg.name, |
| 509 | info.RegisterPlusOffset.signed_offset); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 510 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 511 | break; |
| 512 | |
| 513 | case eInfoTypeRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 514 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 515 | strm.Printf (" (reg_plus_reg = %s + %s)", |
| 516 | info.RegisterPlusIndirectOffset.base_reg.name, |
| 517 | info.RegisterPlusIndirectOffset.offset_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 518 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 519 | break; |
| 520 | |
| 521 | case eInfoTypeRegisterToRegisterPlusOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 522 | { |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 523 | strm.Printf (" (base_and_imm_offset = %s%+" PRId64 ", data_reg = %s)", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 524 | info.RegisterToRegisterPlusOffset.base_reg.name, |
| 525 | info.RegisterToRegisterPlusOffset.offset, |
| 526 | info.RegisterToRegisterPlusOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 527 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 528 | break; |
| 529 | |
| 530 | case eInfoTypeRegisterToRegisterPlusIndirectOffset: |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 531 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 532 | strm.Printf (" (base_and_reg_offset = %s + %s, data_reg = %s)", |
| 533 | info.RegisterToRegisterPlusIndirectOffset.base_reg.name, |
| 534 | info.RegisterToRegisterPlusIndirectOffset.offset_reg.name, |
| 535 | info.RegisterToRegisterPlusIndirectOffset.data_reg.name); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 536 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 537 | break; |
| 538 | |
| 539 | case eInfoTypeRegisterRegisterOperands: |
| 540 | { |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 541 | strm.Printf (" (register to register binary op: %s and %s)", |
| 542 | info.RegisterRegisterOperands.operand1.name, |
| 543 | info.RegisterRegisterOperands.operand2.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 544 | } |
| 545 | break; |
| 546 | |
| 547 | case eInfoTypeOffset: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 548 | strm.Printf (" (signed_offset = %+" PRId64 ")", info.signed_offset); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 549 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 550 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 551 | case eInfoTypeRegister: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 552 | strm.Printf (" (reg = %s)", info.reg.name); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 553 | break; |
| 554 | |
| 555 | case eInfoTypeImmediate: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 556 | strm.Printf (" (unsigned_immediate = %" PRIu64 " (0x%16.16" PRIx64 "))", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 557 | info.unsigned_immediate, |
| 558 | info.unsigned_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 559 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 560 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 561 | case eInfoTypeImmediateSigned: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 562 | strm.Printf (" (signed_immediate = %+" PRId64 " (0x%16.16" PRIx64 "))", |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 563 | info.signed_immediate, |
| 564 | info.signed_immediate); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 565 | break; |
| 566 | |
| 567 | case eInfoTypeAddress: |
Daniel Malea | 5f35a4b | 2012-11-29 21:49:15 +0000 | [diff] [blame] | 568 | strm.Printf (" (address = 0x%" PRIx64 ")", info.address); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 569 | break; |
| 570 | |
| 571 | case eInfoTypeISAAndImmediate: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 572 | strm.Printf (" (isa = %u, unsigned_immediate = %u (0x%8.8x))", |
| 573 | info.ISAAndImmediate.isa, |
| 574 | info.ISAAndImmediate.unsigned_data32, |
| 575 | info.ISAAndImmediate.unsigned_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 576 | break; |
| 577 | |
| 578 | case eInfoTypeISAAndImmediateSigned: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 579 | strm.Printf (" (isa = %u, signed_immediate = %i (0x%8.8x))", |
| 580 | info.ISAAndImmediateSigned.isa, |
| 581 | info.ISAAndImmediateSigned.signed_data32, |
| 582 | info.ISAAndImmediateSigned.signed_data32); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 583 | break; |
| 584 | |
| 585 | case eInfoTypeISA: |
Greg Clayton | 75906e4 | 2011-05-11 18:39:18 +0000 | [diff] [blame] | 586 | strm.Printf (" (isa = %u)", info.isa); |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 587 | break; |
| 588 | |
| 589 | case eInfoTypeNoArgs: |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 590 | break; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 591 | } |
| 592 | } |
| 593 | |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 594 | bool |
| 595 | EmulateInstruction::SetInstruction (const Opcode &opcode, const Address &inst_addr, Target *target) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 596 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 597 | m_opcode = opcode; |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 598 | m_addr = LLDB_INVALID_ADDRESS; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 599 | if (inst_addr.IsValid()) |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 600 | { |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 601 | if (target) |
Greg Clayton | 3063c95 | 2011-04-29 22:50:31 +0000 | [diff] [blame] | 602 | m_addr = inst_addr.GetLoadAddress (target); |
| 603 | if (m_addr == LLDB_INVALID_ADDRESS) |
| 604 | m_addr = inst_addr.GetFileAddress (); |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 605 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 606 | return true; |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 607 | } |
| 608 | |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 609 | bool |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 610 | EmulateInstruction::GetBestRegisterKindAndNumber (const RegisterInfo *reg_info, |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 611 | uint32_t ®_kind, |
| 612 | uint32_t ®_num) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 613 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 614 | // Generic and DWARF should be the two most popular register kinds when |
| 615 | // emulating instructions since they are the most platform agnostic... |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 616 | reg_num = reg_info->kinds[eRegisterKindGeneric]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 617 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 618 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 619 | reg_kind = eRegisterKindGeneric; |
| 620 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 621 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 622 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 623 | reg_num = reg_info->kinds[eRegisterKindDWARF]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 624 | if (reg_num != LLDB_INVALID_REGNUM) |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 625 | { |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 626 | reg_kind = eRegisterKindDWARF; |
| 627 | return true; |
| 628 | } |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 629 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 630 | reg_num = reg_info->kinds[eRegisterKindLLDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 631 | if (reg_num != LLDB_INVALID_REGNUM) |
| 632 | { |
| 633 | reg_kind = eRegisterKindLLDB; |
| 634 | return true; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 635 | } |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 636 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 637 | reg_num = reg_info->kinds[eRegisterKindGCC]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 638 | if (reg_num != LLDB_INVALID_REGNUM) |
| 639 | { |
| 640 | reg_kind = eRegisterKindGCC; |
| 641 | return true; |
| 642 | } |
| 643 | |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 644 | reg_num = reg_info->kinds[eRegisterKindGDB]; |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 645 | if (reg_num != LLDB_INVALID_REGNUM) |
| 646 | { |
| 647 | reg_kind = eRegisterKindGDB; |
| 648 | return true; |
| 649 | } |
| 650 | return false; |
| 651 | } |
| 652 | |
| 653 | uint32_t |
| 654 | EmulateInstruction::GetInternalRegisterNumber (RegisterContext *reg_ctx, const RegisterInfo ®_info) |
| 655 | { |
| 656 | uint32_t reg_kind, reg_num; |
Greg Clayton | 061b79d | 2011-05-09 20:18:18 +0000 | [diff] [blame] | 657 | if (reg_ctx && GetBestRegisterKindAndNumber (®_info, reg_kind, reg_num)) |
Greg Clayton | c07d451 | 2011-04-26 23:48:45 +0000 | [diff] [blame] | 658 | return reg_ctx->ConvertRegisterKindToRegisterNumber (reg_kind, reg_num); |
| 659 | return LLDB_INVALID_REGNUM; |
| 660 | } |
| 661 | |
| 662 | |
| 663 | bool |
| 664 | EmulateInstruction::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan) |
| 665 | { |
| 666 | unwind_plan.Clear(); |
| 667 | return false; |
Greg Clayton | 888a733 | 2011-04-26 04:39:08 +0000 | [diff] [blame] | 668 | } |
| 669 | |
Caroline Tice | 080bf61 | 2011-04-05 18:46:00 +0000 | [diff] [blame] | 670 | |