1 /* Disassembler code for Renesas RL78.
2 Copyright (C) 2011-2019 Free Software Foundation, Inc.
3 Contributed by Red Hat.
6 This file is part of the GNU opcodes library.
8 This library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 It is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 MA 02110-1301, USA. */
28 #include "disassemble.h"
29 #include "opcode/rl78.h"
34 #define DEBUG_SEMANTICS 0
39 disassemble_info * dis;
44 OPCODES_SIGJMP_BUF bailout;
48 rl78_get_byte (void * vdata)
51 RL78_Data *rl78_data = (RL78_Data *) vdata;
54 status = rl78_data->dis->read_memory_func (rl78_data->pc,
60 struct private *priv = (struct private *) rl78_data->dis->private_data;
62 rl78_data->dis->memory_error_func (status, rl78_data->pc,
64 OPCODES_SIGLONGJMP (priv->bailout, 1);
75 "x", "a", "c", "b", "e", "d", "l", "h",
76 "ax", "bc", "de", "hl",
77 "sp", "psw", "cs", "es", "pmc", "mem"
83 "t", "f", "c", "nc", "h", "nh", "z", "nz"
91 case RL78_Operand_Indirect:
92 case RL78_Operand_BitIndirect:
93 case RL78_Operand_PostInc:
94 case RL78_Operand_PreDec:
102 print_insn_rl78_common (bfd_vma addr, disassemble_info * dis, RL78_Dis_Isa isa)
106 RL78_Opcode_Decoded opcode;
109 static char buf[200];
113 dis->private_data = (PTR) &priv;
117 if (OPCODES_SIGSETJMP (priv.bailout) != 0)
123 rv = rl78_decode_opcode (addr, &opcode, rl78_get_byte, &rl78_data, isa);
125 dis->bytes_per_line = 10;
127 #define PR (dis->fprintf_func)
128 #define PS (dis->stream)
129 #define PC(c) PR (PS, "%c", c)
137 case RLO_unknown: s = "uknown"; break;
138 case RLO_add: s = "add: %e0%0 += %e1%1"; break;
139 case RLO_addc: s = "addc: %e0%0 += %e1%1 + CY"; break;
140 case RLO_and: s = "and: %e0%0 &= %e1%1"; break;
141 case RLO_branch: s = "branch: pc = %e0%0"; break;
142 case RLO_branch_cond: s = "branch_cond: pc = %e0%0 if %c1 / %e1%1"; break;
143 case RLO_branch_cond_clear: s = "branch_cond_clear: pc = %e0%0 if %c1 / %e1%1, %e1%1 = 0"; break;
144 case RLO_call: s = "call: pc = %e1%0"; break;
145 case RLO_cmp: s = "cmp: %e0%0 - %e1%1"; break;
146 case RLO_mov: s = "mov: %e0%0 = %e1%1"; break;
147 case RLO_or: s = "or: %e0%0 |= %e1%1"; break;
148 case RLO_rol: s = "rol: %e0%0 <<= %e1%1"; break;
149 case RLO_rolc: s = "rol: %e0%0 <<= %e1%1,CY"; break;
150 case RLO_ror: s = "ror: %e0%0 >>= %e1%1"; break;
151 case RLO_rorc: s = "ror: %e0%0 >>= %e1%1,CY"; break;
152 case RLO_sar: s = "sar: %e0%0 >>= %e1%1 signed"; break;
153 case RLO_sel: s = "sel: rb = %1"; break;
154 case RLO_shr: s = "shr: %e0%0 >>= %e1%1 unsigned"; break;
155 case RLO_shl: s = "shl: %e0%0 <<= %e1%1"; break;
156 case RLO_skip: s = "skip: if %c1"; break;
157 case RLO_sub: s = "sub: %e0%0 -= %e1%1"; break;
158 case RLO_subc: s = "subc: %e0%0 -= %e1%1 - CY"; break;
159 case RLO_xch: s = "xch: %e0%0 <-> %e1%1"; break;
160 case RLO_xor: s = "xor: %e0%0 ^= %e1%1"; break;
163 sprintf(buf, "%s%%W%%f\t\033[32m%s\033[0m", s, opcode.syntax);
176 RL78_Opcode_Operand * oper;
208 goto no_more_modifiers;
222 if (opcode.size == RL78_Word)
223 PR (PS, " \033[33mW\033[0m");
230 PR (PS, " \033[35m");
232 if (opcode.flags & RL78_PSW_Z)
233 { PR (PS, "Z"); comma = ","; }
234 if (opcode.flags & RL78_PSW_AC)
235 { PR (PS, "%sAC", comma); comma = ","; }
236 if (opcode.flags & RL78_PSW_CY)
237 { PR (PS, "%sCY", comma); comma = ","; }
246 oper = *s == '0' ? &opcode.op[0] : &opcode.op[1];
249 if (oper->use_es && indirect_type (oper->type))
255 /* If we are going to display SP by name, we must omit the bang. */
256 if ((oper->type == RL78_Operand_Indirect
257 || oper->type == RL78_Operand_BitIndirect)
258 && oper->reg == RL78_Reg_None
260 && ((oper->addend == 0xffff8 && opcode.size == RL78_Word)
261 || (oper->addend == 0x0fff8 && do_es && opcode.size == RL78_Word)))
269 PR (PS, "%s", condition_names[oper->condition]);
275 case RL78_Operand_Immediate:
277 dis->print_address_func (oper->addend, dis);
279 || oper->addend > 999
280 || oper->addend < -999)
281 PR (PS, "%#x", oper->addend);
283 PR (PS, "%d", oper->addend);
286 case RL78_Operand_Register:
287 PR (PS, "%s", register_names[oper->reg]);
290 case RL78_Operand_Bit:
291 PR (PS, "%s.%d", register_names[oper->reg], oper->bit_number);
294 case RL78_Operand_Indirect:
295 case RL78_Operand_BitIndirect:
299 if (oper->addend == 0xffffa && do_sfr && opcode.size == RL78_Byte)
301 else if (oper->addend == 0xffff8 && do_sfr && opcode.size == RL78_Word)
303 else if (oper->addend == 0x0fff8 && do_sfr && do_es && opcode.size == RL78_Word)
305 else if (oper->addend == 0xffff8 && do_sfr && opcode.size == RL78_Byte)
307 else if (oper->addend == 0xffff9 && do_sfr && opcode.size == RL78_Byte)
309 else if (oper->addend == 0xffffc && do_sfr && opcode.size == RL78_Byte)
311 else if (oper->addend == 0xffffd && do_sfr && opcode.size == RL78_Byte)
313 else if (oper->addend == 0xffffe && do_sfr && opcode.size == RL78_Byte)
315 else if (oper->addend == 0xfffff && do_sfr && opcode.size == RL78_Byte)
317 else if (oper->addend >= 0xffe20)
318 PR (PS, "%#x", oper->addend);
321 int faddr = oper->addend;
322 if (do_es && ! oper->use_es)
324 dis->print_address_func (faddr, dis);
331 PR (PS, "%d[%s]", oper->addend, register_names[oper->reg]);
335 PR (PS, "[%s", register_names[oper->reg]);
336 if (oper->reg2 != RL78_Reg_None)
337 PR (PS, "+%s", register_names[oper->reg2]);
338 if (oper->addend || do_addr)
339 PR (PS, "+%d", oper->addend);
344 if (oper->type == RL78_Operand_BitIndirect)
345 PR (PS, ".%d", oper->bit_number);
349 /* Shouldn't happen - push and pop don't print
350 [SP] directly. But we *do* use them for
351 semantic debugging. */
352 case RL78_Operand_PostInc:
353 PR (PS, "[%s++]", register_names[oper->reg]);
355 case RL78_Operand_PreDec:
356 PR (PS, "[--%s]", register_names[oper->reg]);
361 /* If we ever print this, that means the
362 programmer tried to print an operand with a
363 type we don't expect. Print the line and
364 operand number from rl78-decode.opc for
366 PR (PS, "???%d.%d", opcode.lineno, *s - '0');
375 PR (PS, "\t\033[34m(line %d)\033[0m", opcode.lineno);
383 print_insn_rl78 (bfd_vma addr, disassemble_info * dis)
385 return print_insn_rl78_common (addr, dis, RL78_ISA_DEFAULT);
389 print_insn_rl78_g10 (bfd_vma addr, disassemble_info * dis)
391 return print_insn_rl78_common (addr, dis, RL78_ISA_G10);
395 print_insn_rl78_g13 (bfd_vma addr, disassemble_info * dis)
397 return print_insn_rl78_common (addr, dis, RL78_ISA_G13);
401 print_insn_rl78_g14 (bfd_vma addr, disassemble_info * dis)
403 return print_insn_rl78_common (addr, dis, RL78_ISA_G14);
407 rl78_get_disassembler (bfd *abfd)
409 int cpu = E_FLAG_RL78_ANY_CPU;
412 cpu = abfd->tdata.elf_obj_data->elf_header->e_flags & E_FLAG_RL78_CPU_MASK;
416 case E_FLAG_RL78_G10:
417 return print_insn_rl78_g10;
418 case E_FLAG_RL78_G13:
419 return print_insn_rl78_g13;
420 case E_FLAG_RL78_G14:
421 return print_insn_rl78_g14;
423 return print_insn_rl78;