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v2.39
include/opcode/rx.h
280 строк
6 KB
Ziyao
Import source from binutils
18 сен 2022, 18:55
18 сен 2022, 18:55
3605144
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/* Opcode decoder for the Renesas RX Copyright (C) 2008-2022 Free Software Foundation, Inc. Written by DJ Delorie <dj@redhat.com> This file is part of GDB, the GNU Debugger and GAS, the GNU Assembler. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* The RX decoder in libopcodes is used by the simulator, gdb's analyzer, and the disassembler. Given an opcode data source, it decodes the next opcode into the following structures. */ #ifdef __cplusplus extern "C" { #endif typedef enum { RX_AnySize = 0, RX_Byte, /* undefined extension */ RX_UByte, RX_SByte, RX_Word, /* undefined extension */ RX_UWord, RX_SWord, RX_3Byte, RX_Long, RX_Double, RX_Bad_Size, RX_MAX_SIZE } RX_Size; typedef enum { RX_Operand_None, RX_Operand_Immediate, /* #addend */ RX_Operand_Register, /* Rn */ RX_Operand_Indirect, /* [Rn + addend] */ RX_Operand_Zero_Indirect,/* [Rn] */ RX_Operand_Postinc, /* [Rn+] */ RX_Operand_Predec, /* [-Rn] */ RX_Operand_Condition, /* eq, gtu, etc */ RX_Operand_Flag, /* [UIOSZC] */ RX_Operand_TwoReg, /* [Rn + scale*R2] */ RX_Operand_DoubleReg, /* DRn */ RX_Operand_DoubleRegH,/* DRHn */ RX_Operand_DoubleRegL,/* DRLn */ RX_Operand_DoubleCReg,/* DCRxx */ RX_Operand_DoubleCond,/* UN/EQ/LE/LT */ } RX_Operand_Type; typedef enum { RXO_unknown, RXO_mov, /* d = s (signed) */ RXO_movbi, /* d = [s,s2] (signed) */ RXO_movbir, /* [s,s2] = d (signed) */ RXO_pushm, /* s..s2 */ RXO_popm, /* s..s2 */ RXO_xchg, /* s <-> d */ RXO_stcc, /* d = s if cond(s2) */ RXO_rtsd, /* rtsd, 1=imm, 2-0 = reg if reg type */ /* These are all either d OP= s or, if s2 is set, d = s OP s2. Note that d may be "None". */ RXO_and, RXO_or, RXO_xor, RXO_add, RXO_sub, RXO_mul, RXO_div, RXO_divu, RXO_shll, RXO_shar, RXO_shlr, RXO_adc, /* d = d + s + carry */ RXO_sbb, /* d = d - s - ~carry */ RXO_abs, /* d = |s| */ RXO_max, /* d = max(d,s) */ RXO_min, /* d = min(d,s) */ RXO_emul, /* d:64 = d:32 * s */ RXO_emulu, /* d:64 = d:32 * s (unsigned) */ RXO_rolc, /* d <<= 1 through carry */ RXO_rorc, /* d >>= 1 through carry*/ RXO_rotl, /* d <<= #s without carry */ RXO_rotr, /* d >>= #s without carry*/ RXO_revw, /* d = revw(s) */ RXO_revl, /* d = revl(s) */ RXO_branch, /* pc = d if cond(s) */ RXO_branchrel,/* pc += d if cond(s) */ RXO_jsr, /* pc = d */ RXO_jsrrel, /* pc += d */ RXO_rts, RXO_nop, RXO_nop2, RXO_nop3, RXO_nop4, RXO_nop5, RXO_nop6, RXO_nop7, RXO_scmpu, RXO_smovu, RXO_smovb, RXO_suntil, RXO_swhile, RXO_smovf, RXO_sstr, RXO_rmpa, RXO_mulhi, RXO_mullo, RXO_machi, RXO_maclo, RXO_mvtachi, RXO_mvtaclo, RXO_mvfachi, RXO_mvfacmi, RXO_mvfaclo, RXO_racw, RXO_sat, /* sat(d) */ RXO_satr, RXO_fadd, /* d op= s */ RXO_fcmp, RXO_fsub, RXO_ftoi, RXO_fmul, RXO_fdiv, RXO_round, RXO_itof, RXO_bset, /* d |= (1<<s) */ RXO_bclr, /* d &= ~(1<<s) */ RXO_btst, /* s & (1<<s2) */ RXO_bnot, /* d ^= (1<<s) */ RXO_bmcc, /* d<s> = cond(s2) */ RXO_clrpsw, /* flag index in d */ RXO_setpsw, /* flag index in d */ RXO_mvtipl, /* new IPL in s */ RXO_rtfi, RXO_rte, RXO_rtd, /* undocumented */ RXO_brk, RXO_dbt, /* undocumented */ RXO_int, /* vector id in s */ RXO_stop, RXO_wait, RXO_sccnd, /* d = cond(s) ? 1 : 0 */ RXO_fsqrt, RXO_ftou, RXO_utof, RXO_movco, RXO_movli, RXO_emaca, RXO_emsba, RXO_emula, RXO_maclh, RXO_msbhi, RXO_msblh, RXO_msblo, RXO_mullh, RXO_mvfacgu, RXO_mvtacgu, RXO_racl, RXO_rdacl, RXO_rdacw, RXO_bfmov, RXO_bfmovz, RXO_rstr, RXO_save, RXO_dmov, RXO_dpopm, RXO_dpushm, RXO_mvfdc, RXO_mvfdr, RXO_mvtdc, RXO_dabs, RXO_dadd, RXO_dcmp, RXO_ddiv, RXO_dmul, RXO_dneg, RXO_dround, RXO_dsqrt, RXO_dsub, RXO_dtoi, RXO_dtof, RXO_dtou, RXO_ftod, RXO_itod, RXO_utod } RX_Opcode_ID; /* Condition bitpatterns, as registers. */ #define RXC_eq 0 #define RXC_z 0 #define RXC_ne 1 #define RXC_nz 1 #define RXC_c 2 #define RXC_nc 3 #define RXC_gtu 4 #define RXC_leu 5 #define RXC_pz 6 #define RXC_n 7 #define RXC_ge 8 #define RXC_lt 9 #define RXC_gt 10 #define RXC_le 11 #define RXC_o 12 #define RXC_no 13 #define RXC_always 14 #define RXC_never 15 typedef struct { RX_Operand_Type type; int reg; int addend; RX_Size size; } RX_Opcode_Operand; typedef struct { RX_Opcode_ID id; int n_bytes; int prefix; char * syntax; RX_Size size; /* By convention, these are destination, source1, source2. */ RX_Opcode_Operand op[3]; /* The logic here is: newflags = (oldflags & ~(int)flags_0) | flags_1 | (op_flags & flags_s) Only the O, S, Z, and C flags are affected. */ char flags_0; /* This also clears out flags-to-be-set. */ char flags_1; char flags_s; } RX_Opcode_Decoded; /* Within the syntax, %c-style format specifiers are as follows: %% = '%' character %0 = operand[0] (destination) %1 = operand[1] (source) %2 = operand[2] (2nd source) %s = operation size (b/w/l) %SN = operand size [N] (N=0,1,2) %aN = op[N] as an address (N=0,1,2) Register numbers 0..15 are general registers. 16..31 are control registers. 32..47 are condition codes. */ int rx_decode_opcode (unsigned long, RX_Opcode_Decoded *, int (*)(void *), void *); #ifdef __cplusplus } #endif