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version 1.2, 2003/12/11 15:22:43
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version 1.3, 2004/01/23 14:33:26
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| /* $Id$ */ |
/* $Id$ */ |
| /* $NetBSD: db_disasm.c,v 1.28 2002/10/01 12:56:49 fvdl Exp $ */ |
|
| |
|
| /* |
|
| * Mach Operating System |
|
| * Copyright (c) 1991,1990 Carnegie Mellon University |
|
| * All Rights Reserved. |
|
| * |
|
| * Permission to use, copy, modify and distribute this software and its |
|
| * documentation is hereby granted, provided that both the copyright |
|
| * notice and this permission notice appear in all copies of the |
|
| * software, derivative works or modified versions, and any portions |
|
| * thereof, and that both notices appear in supporting documentation. |
|
| * |
|
| * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
|
| * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
|
| * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
|
| * |
|
| * Carnegie Mellon requests users of this software to return to |
|
| * |
|
| * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
|
| * School of Computer Science |
|
| * Carnegie Mellon University |
|
| * Pittsburgh PA 15213-3890 |
|
| * |
|
| * any improvements or extensions that they make and grant Carnegie the |
|
| * rights to redistribute these changes. |
|
| * |
|
| * Id: db_disasm.c,v 2.3 91/02/05 17:11:03 mrt (CMU) |
|
| */ |
|
| |
|
| /* |
/* |
| * Instruction disassembler. |
* Copyright (c) 2004 NONAKA Kimihiro |
| |
* All rights reserved. |
| |
* |
| |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
| |
* 1. Redistributions of source code must retain the above copyright |
| |
* notice, this list of conditions and the following disclaimer. |
| |
* 2. Redistributions in binary form must reproduce the above copyright |
| |
* notice, this list of conditions and the following disclaimer in the |
| |
* documentation and/or other materials provided with the distribution. |
| |
* 3. The name of the author may not be used to endorse or promote products |
| |
* derived from this software without specific prior written permission. |
| |
* |
| |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
*/ |
| |
|
| |
#include "compiler.h" |
| #include "cpu.h" |
#include "cpu.h" |
| |
|
| typedef BOOL boolean_t; |
|
| typedef DWORD db_addr_t; |
|
| typedef long db_expr_t; |
|
| |
|
| #define db_radix 16 |
|
| #define db_printf ia32_printf |
|
| #define db_printsym(off, strategy, funcp) db_printf(db_num_to_str(off)) |
|
| #define db_get_value(cs,loc,size,is_signed) \ |
|
| (db_expr_t)((size == 4) ? cpu_vmemoryread_d(cs,loc) \ |
|
| : ((size == 2) ? cpu_vmemoryread_w(cs,loc) \ |
|
| : ((size == 1) ? cpu_vmemoryread(cs,loc) : 0))) |
|
| |
|
| static char * |
|
| db_num_to_str(db_expr_t val) |
|
| { |
|
| static char buf[25]; |
|
| |
|
| if (db_radix == 16) { |
|
| snprintf(buf, sizeof(buf), "%lx", val); |
|
| } else if (db_radix == 8) { |
|
| snprintf(buf, sizeof(buf), "%lo", val); |
|
| } else { |
|
| snprintf(buf, sizeof(buf), "%lu", val); |
|
| } |
|
| return buf; |
|
| } |
|
| |
|
| static void |
|
| db_format_radix(char *buf, size_t bufsiz, SQWORD val, int altflag) |
|
| { |
|
| const char *fmt; |
|
| |
|
| UNUSED(altflag); |
|
| |
|
| if (db_radix == 16) { |
|
| fmt = "-%llx"; |
|
| } else if (db_radix == 8) { |
|
| fmt = "-%llo"; |
|
| } else { |
|
| fmt = "-%llu"; |
|
| } |
|
| if (val < 0) |
|
| val = -val; |
|
| else |
|
| ++fmt; |
|
| |
|
| snprintf(buf, bufsiz, fmt, val); |
|
| } |
|
| |
|
| /* |
|
| * Size attributes |
|
| */ |
|
| #define DISASM_BYTE 0 |
|
| #define DISASM_WORD 1 |
|
| #define DISASM_LONG 2 |
|
| #define DISASM_QUAD 3 |
|
| #define DISASM_SNGL 4 |
|
| #define DISASM_DBLR 5 |
|
| #define DISASM_EXTR 6 |
|
| #define DISASM_SDEP 7 |
|
| #define DISASM_NONE 8 |
|
| |
|
| /* |
|
| * Addressing modes |
|
| */ |
|
| #define E 1 /* general effective address */ |
|
| #define Eind 2 /* indirect address (jump, call) */ |
|
| #define Ew 3 /* address, word size */ |
|
| #define Eb 4 /* address, byte size */ |
|
| #define R 5 /* register, in 'reg' field */ |
|
| #define Rw 6 /* word register, in 'reg' field */ |
|
| #define Ri 7 /* register in instruction */ |
|
| #define S 8 /* segment reg, in 'reg' field */ |
|
| #define Si 9 /* segment reg, in instruction */ |
|
| #define A 10 /* accumulator */ |
|
| #define BX 11 /* (bx) */ |
|
| #define CL 12 /* cl, for shifts */ |
|
| #define DX 13 /* dx, for IO */ |
|
| #define SI 14 /* si */ |
|
| #define DI 15 /* di */ |
|
| #define CR 16 /* control register */ |
|
| #define DR 17 /* debug register */ |
|
| #define TR 18 /* test register */ |
|
| #define I 19 /* immediate, unsigned */ |
|
| #define Is 20 /* immediate, signed */ |
|
| #define Ib 21 /* byte immediate, unsigned */ |
|
| #define Ibs 22 /* byte immediate, signed */ |
|
| #define Iw 23 /* word immediate, unsigned */ |
|
| #define Il 24 /* long immediate */ |
|
| #define O 25 /* direct address */ |
|
| #define Db 26 /* byte displacement from EIP */ |
|
| #define Dl 27 /* long displacement from EIP */ |
|
| #define o1 28 /* constant 1 */ |
|
| #define o3 29 /* constant 3 */ |
|
| #define OS 30 /* immediate offset/segment */ |
|
| #define ST 31 /* FP stack top */ |
|
| #define STI 32 /* FP stack */ |
|
| #define X 33 /* extended FP op */ |
|
| #define XA 34 /* for 'fstcw %ax' */ |
|
| |
|
| struct inst { |
|
| char * i_name; /* name */ |
|
| short i_has_modrm; /* has regmodrm byte */ |
|
| short i_size; /* operand size */ |
|
| int i_mode; /* addressing modes */ |
|
| char * i_extra; /* pointer to extra opcode table */ |
|
| }; |
|
| |
|
| #define op1(x) (x) |
|
| #define op2(x,y) ((x)|((y)<<8)) |
|
| #define op3(x,y,z) ((x)|((y)<<8)|((z)<<16)) |
|
| |
|
| struct finst { |
|
| char * f_name; /* name for memory instruction */ |
|
| int f_size; /* size for memory instruction */ |
|
| int f_rrmode; /* mode for rr instruction */ |
|
| char * f_rrname; /* name for rr instruction |
|
| (or pointer to table) */ |
|
| }; |
|
| |
|
| const char * const db_Grp6[] = { |
|
| "sldt", |
|
| "str", |
|
| "lldt", |
|
| "ltr", |
|
| "verr", |
|
| "verw", |
|
| "", |
|
| "" |
|
| }; |
|
| |
|
| const char * const db_Grp7[] = { |
|
| "sgdt", |
|
| "sidt", |
|
| "lgdt", |
|
| "lidt", |
|
| "smsw", |
|
| "", |
|
| "lmsw", |
|
| "invlpg" |
|
| }; |
|
| |
|
| const char * const db_Grp8[] = { |
|
| "", |
|
| "", |
|
| "", |
|
| "", |
|
| "bt", |
|
| "bts", |
|
| "btr", |
|
| "btc" |
|
| }; |
|
| |
|
| const char * const db_Grp9[] = { |
|
| "", |
|
| "cmpxchg8b", |
|
| "", |
|
| "", |
|
| "", |
|
| "", |
|
| "", |
|
| "", |
|
| }; |
|
| |
|
| const struct inst db_inst_0f0x[] = { |
|
| /*00*/ { "", TRUE, DISASM_NONE, op1(Ew), (char *)db_Grp6 }, |
|
| /*01*/ { "", TRUE, DISASM_NONE, op1(Ew), (char *)db_Grp7 }, |
|
| /*02*/ { "lar", TRUE, DISASM_LONG, op2(E,R), 0 }, |
|
| /*03*/ { "lsl", TRUE, DISASM_LONG, op2(E,R), 0 }, |
|
| /*04*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*05*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*06*/ { "clts", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*07*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*08*/ { "invd", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*09*/ { "wbinvd",FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0a*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0b*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0c*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0d*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0e*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*0f*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0f2x[] = { |
|
| /*20*/ { "mov", TRUE, DISASM_LONG, op2(CR,E), 0 }, /* use E for reg */ |
|
| /*21*/ { "mov", TRUE, DISASM_LONG, op2(DR,E), 0 }, /* since mod == 11 */ |
|
| /*22*/ { "mov", TRUE, DISASM_LONG, op2(E,CR), 0 }, |
|
| /*23*/ { "mov", TRUE, DISASM_LONG, op2(E,DR), 0 }, |
|
| /*24*/ { "mov", TRUE, DISASM_LONG, op2(TR,E), 0 }, |
|
| /*25*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*26*/ { "mov", TRUE, DISASM_LONG, op2(E,TR), 0 }, |
|
| /*27*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*28*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*29*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2a*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2b*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2c*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2d*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2e*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2f*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0f3x[] = { |
|
| /*30*/ { "wrmsr", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*31*/ { "rdtsc", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*32*/ { "rdmsr", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*33*/ { "rdpmc", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*34*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*35*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*36*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*37*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*38*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*39*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3a*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3v*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3c*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3d*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3e*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3f*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0f8x[] = { |
|
| /*80*/ { "jo", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*81*/ { "jno", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*82*/ { "jb", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*83*/ { "jnb", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*84*/ { "jz", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*85*/ { "jnz", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*86*/ { "jbe", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*87*/ { "jnbe", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| |
|
| /*88*/ { "js", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*89*/ { "jns", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8a*/ { "jp", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8b*/ { "jnp", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8c*/ { "jl", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8d*/ { "jnl", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8e*/ { "jle", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*8f*/ { "jnle", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0f9x[] = { |
|
| /*90*/ { "seto", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*91*/ { "setno", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*92*/ { "setb", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*93*/ { "setnb", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*94*/ { "setz", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*95*/ { "setnz", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*96*/ { "setbe", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*97*/ { "setnbe",TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| |
|
| /*98*/ { "sets", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*99*/ { "setns", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9a*/ { "setp", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9b*/ { "setnp", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9c*/ { "setl", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9d*/ { "setnl", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9e*/ { "setle", TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| /*9f*/ { "setnle",TRUE, DISASM_NONE, op1(Eb), 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0fax[] = { |
|
| /*a0*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*a1*/ { "pop", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*a2*/ { "cpuid", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*a3*/ { "bt", TRUE, DISASM_LONG, op2(R,E), 0 }, |
|
| /*a4*/ { "shld", TRUE, DISASM_LONG, op3(Ib,E,R), 0 }, |
|
| /*a5*/ { "shld", TRUE, DISASM_LONG, op3(CL,E,R), 0 }, |
|
| /*a6*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*a7*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*a8*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*a9*/ { "pop", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*aa*/ { "rsm", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*ab*/ { "bts", TRUE, DISASM_LONG, op2(R,E), 0 }, |
|
| /*ac*/ { "shrd", TRUE, DISASM_LONG, op3(Ib,E,R), 0 }, |
|
| /*ad*/ { "shrd", TRUE, DISASM_LONG, op3(CL,E,R), 0 }, |
|
| /*ae*/ { "fxsave",TRUE, DISASM_LONG, 0, 0 }, |
|
| /*af*/ { "imul", TRUE, DISASM_LONG, op2(E,R), 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0fbx[] = { |
|
| /*b0*/ { "cmpxchg",TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*b1*/ { "cmpxchg",TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*b2*/ { "lss", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*b3*/ { "btr", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*b4*/ { "lfs", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*b5*/ { "lgs", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*b6*/ { "movzb", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*b7*/ { "movzw", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| |
|
| /*b8*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*b9*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*ba*/ { "", TRUE, DISASM_LONG, op2(Ib, E), (char *)db_Grp8 }, |
|
| /*bb*/ { "btc", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*bc*/ { "bsf", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*bd*/ { "bsr", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*be*/ { "movsb", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*bf*/ { "movsw", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| }; |
|
| |
|
| const struct inst db_inst_0fcx[] = { |
|
| /*c0*/ { "xadd", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*c1*/ { "xadd", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*c2*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c3*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c4*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c5*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c6*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c7*/ { "", TRUE, DISASM_NONE, op1(E), (char *)db_Grp9 }, |
|
| /*c8*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*c9*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*ca*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*cb*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*cc*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*cd*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*ce*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*cf*/ { "bswap", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| }; |
|
| |
|
| const struct inst * const db_inst_0f[] = { |
|
| db_inst_0f0x, |
|
| 0, |
|
| db_inst_0f2x, |
|
| db_inst_0f3x, |
|
| 0, |
|
| 0, |
|
| 0, |
|
| 0, |
|
| db_inst_0f8x, |
|
| db_inst_0f9x, |
|
| db_inst_0fax, |
|
| db_inst_0fbx, |
|
| db_inst_0fcx, |
|
| 0, |
|
| 0, |
|
| 0 |
|
| }; |
|
| |
|
| const char * const db_Esc92[] = { |
|
| "fnop", "", "", "", "", "", "", "" |
|
| }; |
|
| const char * const db_Esc93[] = { |
|
| "", "", "", "", "", "", "", "" |
|
| }; |
|
| const char * const db_Esc94[] = { |
|
| "fchs", "fabs", "", "", "ftst", "fxam", "", "" |
|
| }; |
|
| const char * const db_Esc95[] = { |
|
| "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","" |
|
| }; |
|
| const char * const db_Esc96[] = { |
|
| "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp", |
|
| "fincstp" |
|
| }; |
|
| const char * const db_Esc97[] = { |
|
| "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos" |
|
| }; |
|
| |
|
| const char * const db_Esca4[] = { |
|
| "", "fucompp","", "", "", "", "", "" |
|
| }; |
|
| |
|
| const char * const db_Escb4[] = { |
|
| "", "", "fnclex","fninit","", "", "", "" |
|
| }; |
|
| |
|
| const char * const db_Esce3[] = { |
|
| "", "fcompp","", "", "", "", "", "" |
|
| }; |
|
| |
|
| const char * const db_Escf4[] = { |
|
| "fnstsw","", "", "", "", "", "", "" |
|
| }; |
|
| |
|
| const struct finst db_Esc8[] = { |
|
| /*0*/ { "fadd", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*1*/ { "fmul", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*2*/ { "fcom", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*3*/ { "fcomp", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*4*/ { "fsub", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*5*/ { "fsubr", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*6*/ { "fdiv", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| /*7*/ { "fdivr", DISASM_SNGL, op2(STI,ST), 0 }, |
|
| }; |
|
| |
|
| const struct finst db_Esc9[] = { |
|
| /*0*/ { "fld", DISASM_SNGL, op1(STI), 0 }, |
|
| /*1*/ { "", DISASM_NONE, op1(STI), "fxch" }, |
|
| /*2*/ { "fst", DISASM_SNGL, op1(X), (char *)db_Esc92 }, |
|
| /*3*/ { "fstp", DISASM_SNGL, op1(X), (char *)db_Esc93 }, |
|
| /*4*/ { "fldenv", DISASM_NONE, op1(X), (char *)db_Esc94 }, |
|
| /*5*/ { "fldcw", DISASM_NONE, op1(X), (char *)db_Esc95 }, |
|
| /*6*/ { "fnstenv",DISASM_NONE, op1(X), (char *)db_Esc96 }, |
|
| /*7*/ { "fnstcw", DISASM_NONE, op1(X), (char *)db_Esc97 }, |
|
| }; |
|
| |
|
| const struct finst db_Esca[] = { |
|
| /*0*/ { "fiadd", DISASM_WORD, 0, 0 }, |
|
| /*1*/ { "fimul", DISASM_WORD, 0, 0 }, |
|
| /*2*/ { "ficom", DISASM_WORD, 0, 0 }, |
|
| /*3*/ { "ficomp", DISASM_WORD, 0, 0 }, |
|
| /*4*/ { "fisub", DISASM_WORD, op1(X), (char *)db_Esca4 }, |
|
| /*5*/ { "fisubr", DISASM_WORD, 0, 0 }, |
|
| /*6*/ { "fidiv", DISASM_WORD, 0, 0 }, |
|
| /*7*/ { "fidivr", DISASM_WORD, 0, 0 } |
|
| }; |
|
| |
|
| const struct finst db_Escb[] = { |
|
| /*0*/ { "fild", DISASM_WORD, 0, 0 }, |
|
| /*1*/ { "", DISASM_NONE, 0, 0 }, |
|
| /*2*/ { "fist", DISASM_WORD, 0, 0 }, |
|
| /*3*/ { "fistp", DISASM_WORD, 0, 0 }, |
|
| /*4*/ { "", DISASM_WORD, op1(X), (char *)db_Escb4 }, |
|
| /*5*/ { "fld", DISASM_EXTR, 0, 0 }, |
|
| /*6*/ { "", DISASM_WORD, 0, 0 }, |
|
| /*7*/ { "fstp", DISASM_EXTR, 0, 0 }, |
|
| }; |
|
| |
|
| const struct finst db_Escc[] = { |
|
| /*0*/ { "fadd", DISASM_DBLR, op2(ST,STI), 0 }, |
|
| /*1*/ { "fmul", DISASM_DBLR, op2(ST,STI), 0 }, |
|
| /*2*/ { "fcom", DISASM_DBLR, op2(ST,STI), 0 }, |
|
| /*3*/ { "fcomp", DISASM_DBLR, op2(ST,STI), 0 }, |
|
| /*4*/ { "fsub", DISASM_DBLR, op2(ST,STI), "fsubr" }, |
|
| /*5*/ { "fsubr", DISASM_DBLR, op2(ST,STI), "fsub" }, |
|
| /*6*/ { "fdiv", DISASM_DBLR, op2(ST,STI), "fdivr" }, |
|
| /*7*/ { "fdivr", DISASM_DBLR, op2(ST,STI), "fdiv" }, |
|
| }; |
|
| |
|
| const struct finst db_Escd[] = { |
|
| /*0*/ { "fld", DISASM_DBLR, op1(STI), "ffree" }, |
|
| /*1*/ { "", DISASM_NONE, 0, 0 }, |
|
| /*2*/ { "fst", DISASM_DBLR, op1(STI), 0 }, |
|
| /*3*/ { "fstp", DISASM_DBLR, op1(STI), 0 }, |
|
| /*4*/ { "frstor", DISASM_NONE, op1(STI), "fucom" }, |
|
| /*5*/ { "", DISASM_NONE, op1(STI), "fucomp" }, |
|
| /*6*/ { "fnsave", DISASM_NONE, 0, 0 }, |
|
| /*7*/ { "fnstsw", DISASM_NONE, 0, 0 }, |
|
| }; |
|
| |
|
| const struct finst db_Esce[] = { |
|
| /*0*/ { "fiadd", DISASM_LONG, op2(ST,STI), "faddp" }, |
|
| /*1*/ { "fimul", DISASM_LONG, op2(ST,STI), "fmulp" }, |
|
| /*2*/ { "ficom", DISASM_LONG, 0, 0 }, |
|
| /*3*/ { "ficomp", DISASM_LONG, op1(X), (char *)db_Esce3 }, |
|
| /*4*/ { "fisub", DISASM_LONG, op2(ST,STI), "fsubrp" }, |
|
| /*5*/ { "fisubr", DISASM_LONG, op2(ST,STI), "fsubp" }, |
|
| /*6*/ { "fidiv", DISASM_LONG, op2(ST,STI), "fdivrp" }, |
|
| /*7*/ { "fidivr", DISASM_LONG, op2(ST,STI), "fdivp" }, |
|
| }; |
|
| |
|
| const struct finst db_Escf[] = { |
|
| /*0*/ { "fild", DISASM_LONG, 0, 0 }, |
|
| /*1*/ { "", DISASM_LONG, 0, 0 }, |
|
| /*2*/ { "fist", DISASM_LONG, 0, 0 }, |
|
| /*3*/ { "fistp", DISASM_LONG, 0, 0 }, |
|
| /*4*/ { "fbld", DISASM_NONE, op1(XA), (char *)db_Escf4 }, |
|
| /*5*/ { "fld", DISASM_QUAD, 0, 0 }, |
|
| /*6*/ { "fbstp", DISASM_NONE, 0, 0 }, |
|
| /*7*/ { "fstp", DISASM_QUAD, 0, 0 }, |
|
| }; |
|
| |
|
| const struct finst * const db_Esc_inst[] = { |
|
| db_Esc8, db_Esc9, db_Esca, db_Escb, |
|
| db_Escc, db_Escd, db_Esce, db_Escf |
|
| }; |
|
| |
|
| const char * const db_Grp1[] = { |
|
| "add", |
|
| "or", |
|
| "adc", |
|
| "sbb", |
|
| "and", |
|
| "sub", |
|
| "xor", |
|
| "cmp" |
|
| }; |
|
| |
|
| const char * const db_Grp2[] = { |
|
| "rol", |
|
| "ror", |
|
| "rcl", |
|
| "rcr", |
|
| "shl", |
|
| "shr", |
|
| "shl", |
|
| "sar" |
|
| }; |
|
| |
|
| const struct inst db_Grp3[] = { |
|
| { "test", TRUE, DISASM_NONE, op2(I,E), 0 }, |
|
| { "test", TRUE, DISASM_NONE, op2(I,E), 0 }, |
|
| { "not", TRUE, DISASM_NONE, op1(E), 0 }, |
|
| { "neg", TRUE, DISASM_NONE, op1(E), 0 }, |
|
| { "mul", TRUE, DISASM_NONE, op2(E,A), 0 }, |
|
| { "imul", TRUE, DISASM_NONE, op2(E,A), 0 }, |
|
| { "div", TRUE, DISASM_NONE, op2(E,A), 0 }, |
|
| { "idiv", TRUE, DISASM_NONE, op2(E,A), 0 }, |
|
| }; |
|
| |
|
| const struct inst db_Grp4[] = { |
|
| { "inc", TRUE, DISASM_BYTE, op1(E), 0 }, |
|
| { "dec", TRUE, DISASM_BYTE, op1(E), 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 } |
|
| }; |
|
| |
|
| const struct inst db_Grp5[] = { |
/* register strings */ |
| { "inc", TRUE, DISASM_LONG, op1(E), 0 }, |
const char *reg8_str[8] = { |
| { "dec", TRUE, DISASM_LONG, op1(E), 0 }, |
"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" |
| { "call", TRUE, DISASM_NONE, op1(Eind),0 }, |
|
| { "lcall", TRUE, DISASM_NONE, op1(Eind),0 }, |
|
| { "jmp", TRUE, DISASM_NONE, op1(Eind),0 }, |
|
| { "ljmp", TRUE, DISASM_NONE, op1(Eind),0 }, |
|
| { "push", TRUE, DISASM_LONG, op1(E), 0 }, |
|
| { "", TRUE, DISASM_NONE, 0, 0 } |
|
| }; |
}; |
| |
|
| const struct inst db_inst_table[256] = { |
const char *reg16_str[8] = { |
| /*00*/ { "add", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
"ax", "cx", "dx", "bx", "sp", "bp", "si", "di" |
| /*01*/ { "add", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*02*/ { "add", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*03*/ { "add", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*04*/ { "add", FALSE, DISASM_BYTE, op2(Is, A), 0 }, |
|
| /*05*/ { "add", FALSE, DISASM_LONG, op2(Is, A), 0 }, |
|
| /*06*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*07*/ { "pop", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| |
|
| /*08*/ { "or", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*09*/ { "or", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*0a*/ { "or", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*0b*/ { "or", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*0c*/ { "or", FALSE, DISASM_BYTE, op2(I, A), 0 }, |
|
| /*0d*/ { "or", FALSE, DISASM_LONG, op2(I, A), 0 }, |
|
| /*0e*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*0f*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*10*/ { "adc", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*11*/ { "adc", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*12*/ { "adc", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*13*/ { "adc", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*14*/ { "adc", FALSE, DISASM_BYTE, op2(Is, A), 0 }, |
|
| /*15*/ { "adc", FALSE, DISASM_LONG, op2(Is, A), 0 }, |
|
| /*16*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*17*/ { "pop", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| |
|
| /*18*/ { "sbb", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*19*/ { "sbb", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*1a*/ { "sbb", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*1b*/ { "sbb", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*1c*/ { "sbb", FALSE, DISASM_BYTE, op2(Is, A), 0 }, |
|
| /*1d*/ { "sbb", FALSE, DISASM_LONG, op2(Is, A), 0 }, |
|
| /*1e*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| /*1f*/ { "pop", FALSE, DISASM_NONE, op1(Si), 0 }, |
|
| |
|
| /*20*/ { "and", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*21*/ { "and", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*22*/ { "and", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*23*/ { "and", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*24*/ { "and", FALSE, DISASM_BYTE, op2(I, A), 0 }, |
|
| /*25*/ { "and", FALSE, DISASM_LONG, op2(I, A), 0 }, |
|
| /*26*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*27*/ { "aaa", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*28*/ { "sub", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*29*/ { "sub", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*2a*/ { "sub", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*2b*/ { "sub", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*2c*/ { "sub", FALSE, DISASM_BYTE, op2(Is, A), 0 }, |
|
| /*2d*/ { "sub", FALSE, DISASM_LONG, op2(Is, A), 0 }, |
|
| /*2e*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*2f*/ { "das", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*30*/ { "xor", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*31*/ { "xor", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*32*/ { "xor", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*33*/ { "xor", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*34*/ { "xor", FALSE, DISASM_BYTE, op2(I, A), 0 }, |
|
| /*35*/ { "xor", FALSE, DISASM_LONG, op2(I, A), 0 }, |
|
| /*36*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*37*/ { "daa", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*38*/ { "cmp", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*39*/ { "cmp", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*3a*/ { "cmp", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*3b*/ { "cmp", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*3c*/ { "cmp", FALSE, DISASM_BYTE, op2(Is, A), 0 }, |
|
| /*3d*/ { "cmp", FALSE, DISASM_LONG, op2(Is, A), 0 }, |
|
| /*3e*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*3f*/ { "aas", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*40*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*41*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*42*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*43*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*44*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*45*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*46*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*47*/ { "inc", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| |
|
| /*48*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*49*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4a*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4b*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4c*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4d*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4e*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*4f*/ { "dec", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| |
|
| /*50*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*51*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*52*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*53*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*54*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*55*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*56*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*57*/ { "push", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| |
|
| /*58*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*59*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5a*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5b*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5c*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5d*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5e*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| /*5f*/ { "pop", FALSE, DISASM_LONG, op1(Ri), 0 }, |
|
| |
|
| /*60*/ { "pusha", FALSE, DISASM_LONG, 0, 0 }, |
|
| /*61*/ { "popa", FALSE, DISASM_LONG, 0, 0 }, |
|
| /*62*/ { "bound", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*63*/ { "arpl", TRUE, DISASM_NONE, op2(Ew,Rw), 0 }, |
|
| |
|
| /*64*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*65*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*66*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*67*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*68*/ { "push", FALSE, DISASM_LONG, op1(I), 0 }, |
|
| /*69*/ { "imul", TRUE, DISASM_LONG, op3(I,E,R), 0 }, |
|
| /*6a*/ { "push", FALSE, DISASM_LONG, op1(Ib), 0 }, |
|
| /*6b*/ { "imul", TRUE, DISASM_LONG, op3(Ibs,E,R),0 }, |
|
| /*6c*/ { "ins", FALSE, DISASM_BYTE, op2(DX, DI), 0 }, |
|
| /*6d*/ { "ins", FALSE, DISASM_LONG, op2(DX, DI), 0 }, |
|
| /*6e*/ { "outs", FALSE, DISASM_BYTE, op2(SI, DX), 0 }, |
|
| /*6f*/ { "outs", FALSE, DISASM_LONG, op2(SI, DX), 0 }, |
|
| |
|
| /*70*/ { "jo", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*71*/ { "jno", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*72*/ { "jb", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*73*/ { "jnb", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*74*/ { "jz", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*75*/ { "jnz", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*76*/ { "jbe", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*77*/ { "jnbe", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| |
|
| /*78*/ { "js", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*79*/ { "jns", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7a*/ { "jp", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7b*/ { "jnp", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7c*/ { "jl", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7d*/ { "jnl", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7e*/ { "jle", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*7f*/ { "jnle", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| |
|
| /*80*/ { "", TRUE, DISASM_BYTE, op2(I, E), (char *)db_Grp1 }, |
|
| /*81*/ { "", TRUE, DISASM_LONG, op2(I, E), (char *)db_Grp1 }, |
|
| /*82*/ { "", TRUE, DISASM_BYTE, op2(Is,E), (char *)db_Grp1 }, |
|
| /*83*/ { "", TRUE, DISASM_LONG, op2(Ibs,E), (char *)db_Grp1 }, |
|
| /*84*/ { "test", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*85*/ { "test", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*86*/ { "xchg", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*87*/ { "xchg", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| |
|
| /*88*/ { "mov", TRUE, DISASM_BYTE, op2(R, E), 0 }, |
|
| /*89*/ { "mov", TRUE, DISASM_LONG, op2(R, E), 0 }, |
|
| /*8a*/ { "mov", TRUE, DISASM_BYTE, op2(E, R), 0 }, |
|
| /*8b*/ { "mov", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*8c*/ { "mov", TRUE, DISASM_NONE, op2(S, Ew), 0 }, |
|
| /*8d*/ { "lea", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*8e*/ { "mov", TRUE, DISASM_NONE, op2(Ew, S), 0 }, |
|
| /*8f*/ { "pop", TRUE, DISASM_LONG, op1(E), 0 }, |
|
| |
|
| /*90*/ { "nop", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*91*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*92*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*93*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*94*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*95*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*96*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| /*97*/ { "xchg", FALSE, DISASM_LONG, op2(A, Ri), 0 }, |
|
| |
|
| /*98*/ { "cbw", FALSE, DISASM_SDEP, 0, "cwde" }, /* cbw/cwde */ |
|
| /*99*/ { "cwd", FALSE, DISASM_SDEP, 0, "cdq" }, /* cwd/cdq */ |
|
| /*9a*/ { "lcall", FALSE, DISASM_NONE, op1(OS), 0 }, |
|
| /*9b*/ { "wait", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*9c*/ { "pushf", FALSE, DISASM_LONG, 0, 0 }, |
|
| /*9d*/ { "popf", FALSE, DISASM_LONG, 0, 0 }, |
|
| /*9e*/ { "sahf", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*9f*/ { "lahf", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*a0*/ { "mov", FALSE, DISASM_BYTE, op2(O, A), 0 }, |
|
| /*a1*/ { "mov", FALSE, DISASM_LONG, op2(O, A), 0 }, |
|
| /*a2*/ { "mov", FALSE, DISASM_BYTE, op2(A, O), 0 }, |
|
| /*a3*/ { "mov", FALSE, DISASM_LONG, op2(A, O), 0 }, |
|
| /*a4*/ { "movs", FALSE, DISASM_BYTE, op2(SI,DI), 0 }, |
|
| /*a5*/ { "movs", FALSE, DISASM_LONG, op2(SI,DI), 0 }, |
|
| /*a6*/ { "cmps", FALSE, DISASM_BYTE, op2(SI,DI), 0 }, |
|
| /*a7*/ { "cmps", FALSE, DISASM_LONG, op2(SI,DI), 0 }, |
|
| |
|
| /*a8*/ { "test", FALSE, DISASM_BYTE, op2(I, A), 0 }, |
|
| /*a9*/ { "test", FALSE, DISASM_LONG, op2(I, A), 0 }, |
|
| /*aa*/ { "stos", FALSE, DISASM_BYTE, op1(DI), 0 }, |
|
| /*ab*/ { "stos", FALSE, DISASM_LONG, op1(DI), 0 }, |
|
| /*ac*/ { "lods", FALSE, DISASM_BYTE, op1(SI), 0 }, |
|
| /*ad*/ { "lods", FALSE, DISASM_LONG, op1(SI), 0 }, |
|
| /*ae*/ { "scas", FALSE, DISASM_BYTE, op1(SI), 0 }, |
|
| /*af*/ { "scas", FALSE, DISASM_LONG, op1(SI), 0 }, |
|
| |
|
| /*b0*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b1*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b2*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b3*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b4*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b5*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b6*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| /*b7*/ { "mov", FALSE, DISASM_BYTE, op2(I, Ri), 0 }, |
|
| |
|
| /*b8*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*b9*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*ba*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*bb*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*bc*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*bd*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*be*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| /*bf*/ { "mov", FALSE, DISASM_LONG, op2(I, Ri), 0 }, |
|
| |
|
| /*c0*/ { "", TRUE, DISASM_BYTE, op2(Ib, E), (char *)db_Grp2 }, |
|
| /*c1*/ { "", TRUE, DISASM_LONG, op2(Ib, E), (char *)db_Grp2 }, |
|
| /*c2*/ { "ret", FALSE, DISASM_NONE, op1(Iw), 0 }, |
|
| /*c3*/ { "ret", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*c4*/ { "les", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*c5*/ { "lds", TRUE, DISASM_LONG, op2(E, R), 0 }, |
|
| /*c6*/ { "mov", TRUE, DISASM_BYTE, op2(I, E), 0 }, |
|
| /*c7*/ { "mov", TRUE, DISASM_LONG, op2(I, E), 0 }, |
|
| |
|
| /*c8*/ { "enter", FALSE, DISASM_NONE, op2(Ib, Iw), 0 }, |
|
| /*c9*/ { "leave", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*ca*/ { "lret", FALSE, DISASM_NONE, op1(Iw), 0 }, |
|
| /*cb*/ { "lret", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*cc*/ { "int", FALSE, DISASM_NONE, op1(o3), 0 }, |
|
| /*cd*/ { "int", FALSE, DISASM_NONE, op1(Ib), 0 }, |
|
| /*ce*/ { "into", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*cf*/ { "iret", FALSE, DISASM_NONE, 0, 0 }, |
|
| |
|
| /*d0*/ { "", TRUE, DISASM_BYTE, op2(o1, E), (char *)db_Grp2 }, |
|
| /*d1*/ { "", TRUE, DISASM_LONG, op2(o1, E), (char *)db_Grp2 }, |
|
| /*d2*/ { "", TRUE, DISASM_BYTE, op2(CL, E), (char *)db_Grp2 }, |
|
| /*d3*/ { "", TRUE, DISASM_LONG, op2(CL, E), (char *)db_Grp2 }, |
|
| /*d4*/ { "aam", TRUE, DISASM_NONE, 0, 0 }, |
|
| /*d5*/ { "aad", TRUE, DISASM_NONE, 0, 0 }, |
|
| /*d6*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*d7*/ { "xlat", FALSE, DISASM_BYTE, op1(BX), 0 }, |
|
| |
|
| /*d8*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Esc8 }, |
|
| /*d9*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Esc9 }, |
|
| /*da*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Esca }, |
|
| /*db*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Escb }, |
|
| /*dc*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Escc }, |
|
| /*dd*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Escd }, |
|
| /*de*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Esce }, |
|
| /*df*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Escf }, |
|
| |
|
| /*e0*/ { "loopne",FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*e1*/ { "loope", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*e2*/ { "loop", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*e3*/ { "jcxz", FALSE, DISASM_SDEP, op1(Db), "jecxz" }, |
|
| /*e4*/ { "in", FALSE, DISASM_BYTE, op2(Ib, A), 0 }, |
|
| /*e5*/ { "in", FALSE, DISASM_LONG, op2(Ib, A) , 0 }, |
|
| /*e6*/ { "out", FALSE, DISASM_BYTE, op2(A, Ib), 0 }, |
|
| /*e7*/ { "out", FALSE, DISASM_LONG, op2(A, Ib) , 0 }, |
|
| |
|
| /*e8*/ { "call", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*e9*/ { "jmp", FALSE, DISASM_NONE, op1(Dl), 0 }, |
|
| /*ea*/ { "ljmp", FALSE, DISASM_NONE, op1(OS), 0 }, |
|
| /*eb*/ { "jmp", FALSE, DISASM_NONE, op1(Db), 0 }, |
|
| /*ec*/ { "in", FALSE, DISASM_BYTE, op2(DX, A), 0 }, |
|
| /*ed*/ { "in", FALSE, DISASM_LONG, op2(DX, A) , 0 }, |
|
| /*ee*/ { "out", FALSE, DISASM_BYTE, op2(A, DX), 0 }, |
|
| /*ef*/ { "out", FALSE, DISASM_LONG, op2(A, DX) , 0 }, |
|
| |
|
| /*f0*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f1*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f2*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f3*/ { "", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f4*/ { "hlt", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f5*/ { "cmc", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f6*/ { "", TRUE, DISASM_BYTE, 0, (char *)db_Grp3 }, |
|
| /*f7*/ { "", TRUE, DISASM_LONG, 0, (char *)db_Grp3 }, |
|
| |
|
| /*f8*/ { "clc", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*f9*/ { "stc", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*fa*/ { "cli", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*fb*/ { "sti", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*fc*/ { "cld", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*fd*/ { "std", FALSE, DISASM_NONE, 0, 0 }, |
|
| /*fe*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Grp4 }, |
|
| /*ff*/ { "", TRUE, DISASM_NONE, 0, (char *)db_Grp5 }, |
|
| }; |
|
| |
|
| const struct inst db_bad_inst = |
|
| { "???", FALSE, DISASM_NONE, 0, 0 } |
|
| ; |
|
| |
|
| #define f_mod(byte) ((byte)>>6) |
|
| #define f_reg(byte) (((byte)>>3)&0x7) |
|
| #define f_rm(byte) ((byte)&0x7) |
|
| |
|
| #define sib_ss(byte) ((byte)>>6) |
|
| #define sib_index(byte) (((byte)>>3)&0x7) |
|
| #define sib_base(byte) ((byte)&0x7) |
|
| |
|
| struct i_addr { |
|
| int is_reg; /* if reg, reg number is in 'disp' */ |
|
| int disp; |
|
| const char * base; |
|
| const char * index; |
|
| int ss; |
|
| }; |
}; |
| |
|
| const char * const db_index_reg_16[8] = { |
const char *reg32_str[8] = { |
| "%bx,%si", |
"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi" |
| "%bx,%di", |
|
| "%bp,%si", |
|
| "%bp,%di", |
|
| "%si", |
|
| "%di", |
|
| "%bp", |
|
| "%bx" |
|
| }; |
}; |
| |
|
| const char * const db_reg[3][8] = { |
|
| { "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh" }, |
|
| { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di" }, |
|
| { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi" } |
|
| }; |
|
| |
|
| const char * const db_seg_reg[8] = { |
|
| "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", "" |
|
| }; |
|
| |
|
| /* |
|
| * lengths for size attributes |
|
| */ |
|
| const int db_lengths[] = { |
|
| 1, /* DISASM_BYTE */ |
|
| 2, /* DISASM_WORD */ |
|
| 4, /* DISASM_LONG */ |
|
| 8, /* DISASM_QUAD */ |
|
| 4, /* DISASM_SNGL */ |
|
| 8, /* DISASM_DBLR */ |
|
| 10, /* DISASM_EXTR */ |
|
| }; |
|
| |
|
| #define get_value_inc(result, cs, loc, size, is_signed) \ |
|
| do { \ |
|
| result = db_get_value((cs), (loc), (size), (is_signed)); \ |
|
| (loc) += (size); \ |
|
| } while (0) |
|
| |
|
| |
|
| static db_addr_t db_read_address(WORD, db_addr_t, int, int, struct i_addr *); |
|
| static void db_print_address(char *, int, struct i_addr *); |
|
| static db_addr_t db_disasm_esc(WORD cs, db_addr_t, int, int, int, char *); |
|
| |
|
| /* |
|
| * Read address at location and return updated location. |
|
| */ |
|
| static db_addr_t |
|
| db_read_address(cs, loc, short_addr, regmodrm, addrp) |
|
| WORD cs; |
|
| db_addr_t loc; |
|
| int short_addr; |
|
| int regmodrm; |
|
| struct i_addr *addrp; /* out */ |
|
| { |
|
| int mod, rm, sib, index, disp; |
|
| |
|
| mod = f_mod(regmodrm); |
|
| rm = f_rm(regmodrm); |
|
| |
|
| if (mod == 3) { |
|
| addrp->is_reg = TRUE; |
|
| addrp->disp = rm; |
|
| return (loc); |
|
| } |
|
| addrp->is_reg = FALSE; |
|
| addrp->index = 0; |
|
| |
|
| if (short_addr) { |
|
| addrp->index = 0; |
|
| addrp->ss = 0; |
|
| switch (mod) { |
|
| case 0: |
|
| if (rm == 6) { |
|
| get_value_inc(disp, cs, loc, 2, TRUE); |
|
| addrp->disp = disp; |
|
| addrp->base = 0; |
|
| } else { |
|
| addrp->disp = 0; |
|
| addrp->base = db_index_reg_16[rm]; |
|
| } |
|
| break; |
|
| case 1: |
|
| get_value_inc(disp, cs, loc, 1, TRUE); |
|
| addrp->disp = disp; |
|
| addrp->base = db_index_reg_16[rm]; |
|
| break; |
|
| case 2: |
|
| get_value_inc(disp, cs, loc, 2, TRUE); |
|
| addrp->disp = disp; |
|
| addrp->base = db_index_reg_16[rm]; |
|
| break; |
|
| } |
|
| } else { |
|
| if (mod != 3 && rm == 4) { |
|
| get_value_inc(sib, cs, loc, 1, FALSE); |
|
| rm = sib_base(sib); |
|
| index = sib_index(sib); |
|
| if (index != 4) |
|
| addrp->index = db_reg[DISASM_LONG][index]; |
|
| addrp->ss = sib_ss(sib); |
|
| } |
|
| |
|
| switch (mod) { |
|
| case 0: |
|
| if (rm == 5) { |
|
| get_value_inc(addrp->disp, cs, loc, 4, FALSE); |
|
| addrp->base = 0; |
|
| } else { |
|
| addrp->disp = 0; |
|
| addrp->base = db_reg[DISASM_LONG][rm]; |
|
| } |
|
| break; |
|
| case 1: |
|
| get_value_inc(disp, cs, loc, 1, TRUE); |
|
| addrp->disp = disp; |
|
| addrp->base = db_reg[DISASM_LONG][rm]; |
|
| break; |
|
| case 2: |
|
| get_value_inc(disp, cs, loc, 4, FALSE); |
|
| addrp->disp = disp; |
|
| addrp->base = db_reg[DISASM_LONG][rm]; |
|
| break; |
|
| } |
|
| } |
|
| return (loc); |
|
| } |
|
| |
|
| static void |
|
| db_print_address(seg, size, addrp) |
|
| char * seg; |
|
| int size; |
|
| struct i_addr *addrp; |
|
| { |
|
| if (addrp->is_reg) { |
|
| db_printf("%s", db_reg[size][addrp->disp]); |
|
| return; |
|
| } |
|
| |
|
| if (seg) |
|
| db_printf("%s:", seg); |
|
| |
|
| db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY, db_printf); |
|
| if (addrp->base != 0 || addrp->index != 0) { |
|
| db_printf("("); |
|
| if (addrp->base) |
|
| db_printf("%s", addrp->base); |
|
| if (addrp->index) |
|
| db_printf(", %s, %d", addrp->index, 1<<addrp->ss); |
|
| db_printf(")"); |
|
| } |
|
| } |
|
| |
|
| /* |
|
| * Disassemble floating-point ("escape") instruction |
|
| * and return updated location. |
|
| */ |
|
| static db_addr_t |
|
| db_disasm_esc(cs, loc, inst, short_addr, size, seg) |
|
| WORD cs; |
|
| db_addr_t loc; |
|
| int inst; |
|
| int short_addr; |
|
| int size; |
|
| char * seg; |
|
| { |
|
| int regmodrm; |
|
| const struct finst *fp; |
|
| int mod; |
|
| struct i_addr address; |
|
| char * name; |
|
| |
|
| UNUSED(size); |
|
| |
|
| get_value_inc(regmodrm, cs, loc, 1, FALSE); |
|
| fp = &db_Esc_inst[inst - 0xd8][f_reg(regmodrm)]; |
|
| mod = f_mod(regmodrm); |
|
| if (mod != 3) { |
|
| /* |
|
| * Normal address modes. |
|
| */ |
|
| loc = db_read_address(cs, loc, short_addr, regmodrm, &address); |
|
| db_printf("%s", fp->f_name); |
|
| switch(fp->f_size) { |
|
| case DISASM_SNGL: |
|
| db_printf("s"); |
|
| break; |
|
| case DISASM_DBLR: |
|
| db_printf("l"); |
|
| break; |
|
| case DISASM_EXTR: |
|
| db_printf("t"); |
|
| break; |
|
| case DISASM_WORD: |
|
| db_printf("s"); |
|
| break; |
|
| case DISASM_LONG: |
|
| db_printf("l"); |
|
| break; |
|
| case DISASM_QUAD: |
|
| db_printf("q"); |
|
| break; |
|
| default: |
|
| break; |
|
| } |
|
| db_printf("\t"); |
|
| db_print_address(seg, DISASM_BYTE, &address); |
|
| } else { |
|
| /* |
|
| * 'reg-reg' - special formats |
|
| */ |
|
| switch (fp->f_rrmode) { |
|
| case op2(ST,STI): |
|
| name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; |
|
| db_printf("%s\t%%st, %%st(%d)",name,f_rm(regmodrm)); |
|
| break; |
|
| case op2(STI,ST): |
|
| name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; |
|
| db_printf("%s\t%%st(%d), %%st",name, f_rm(regmodrm)); |
|
| break; |
|
| case op1(STI): |
|
| name = (fp->f_rrname) ? fp->f_rrname : fp->f_name; |
|
| db_printf("%s\t%%st(%d)",name, f_rm(regmodrm)); |
|
| break; |
|
| case op1(X): |
|
| db_printf("%s", ((char **)fp->f_rrname)[f_rm(regmodrm)]); |
|
| break; |
|
| case op1(XA): |
|
| db_printf("%s\t%%ax", |
|
| ((char **)fp->f_rrname)[f_rm(regmodrm)]); |
|
| break; |
|
| default: |
|
| db_printf("<bad instruction>"); |
|
| break; |
|
| } |
|
| } |
|
| |
|
| return (loc); |
|
| } |
|
| |
|
| /* |
|
| * Disassemble instruction at 'loc'. 'altfmt' specifies an |
|
| * (optional) alternate format. Return address of start of |
|
| * next instruction. |
|
| */ |
|
| static db_addr_t |
|
| db_disasm(cs, loc, altfmt) |
|
| WORD cs; |
|
| db_addr_t loc; |
|
| boolean_t altfmt; |
|
| { |
|
| int inst; |
|
| int size; |
|
| int short_addr; |
|
| char * seg; |
|
| const struct inst * ip; |
|
| char * i_name; |
|
| int i_size; |
|
| int i_mode; |
|
| int regmodrm = 0; |
|
| boolean_t first; |
|
| int displ; |
|
| int prefix; |
|
| int imm; |
|
| int imm2; |
|
| int len; |
|
| struct i_addr address; |
|
| |
|
| UNUSED(altfmt); |
|
| |
|
| get_value_inc(inst, cs, loc, 1, FALSE); |
|
| short_addr = CPU_INST_OP32 ? FALSE : TRUE; |
|
| size = short_addr ? DISASM_WORD : DISASM_LONG; |
|
| seg = 0; |
|
| |
|
| /* |
|
| * Get prefixes |
|
| */ |
|
| prefix = TRUE; |
|
| do { |
|
| switch (inst) { |
|
| case 0x66: /* data16 */ |
|
| size = short_addr ? DISASM_LONG : DISASM_WORD; |
|
| break; |
|
| case 0x67: |
|
| short_addr = CPU_INST_OP32 ? TRUE : FALSE; |
|
| break; |
|
| case 0x26: |
|
| seg = "%es"; |
|
| break; |
|
| case 0x36: |
|
| seg = "%ss"; |
|
| break; |
|
| case 0x2e: |
|
| seg = "%cs"; |
|
| break; |
|
| case 0x3e: |
|
| seg = "%ds"; |
|
| break; |
|
| case 0x64: |
|
| seg = "%fs"; |
|
| break; |
|
| case 0x65: |
|
| seg = "%gs"; |
|
| break; |
|
| case 0xf0: |
|
| db_printf("lock "); |
|
| break; |
|
| case 0xf2: |
|
| db_printf("repne "); |
|
| break; |
|
| case 0xf3: |
|
| db_printf("repe "); /* XXX repe VS rep */ |
|
| break; |
|
| default: |
|
| prefix = FALSE; |
|
| break; |
|
| } |
|
| if (prefix) |
|
| get_value_inc(inst, cs, loc, 1, FALSE); |
|
| } while (prefix); |
|
| |
|
| if (inst >= 0xd8 && inst <= 0xdf) { |
|
| loc = db_disasm_esc(cs, loc, inst, short_addr, size, seg); |
|
| db_printf("\n"); |
|
| return (loc); |
|
| } |
|
| |
|
| if (inst == 0x0f) { |
|
| get_value_inc(inst, cs, loc, 1, FALSE); |
|
| ip = db_inst_0f[inst>>4]; |
|
| if (ip == 0) |
|
| ip = &db_bad_inst; |
|
| else |
|
| ip = &ip[inst&0xf]; |
|
| } else { |
|
| ip = &db_inst_table[inst]; |
|
| } |
|
| |
|
| if (ip->i_has_modrm) { |
|
| get_value_inc(regmodrm, cs, loc, 1, FALSE); |
|
| loc = db_read_address(cs, loc, short_addr, regmodrm, &address); |
|
| } |
|
| |
|
| i_name = ip->i_name; |
|
| i_size = ip->i_size; |
|
| i_mode = ip->i_mode; |
|
| |
|
| if (ip->i_extra == (char *)db_Grp1 || |
|
| ip->i_extra == (char *)db_Grp2 || |
|
| ip->i_extra == (char *)db_Grp6 || |
|
| ip->i_extra == (char *)db_Grp7 || |
|
| ip->i_extra == (char *)db_Grp8) { |
|
| i_name = ((char **)ip->i_extra)[f_reg(regmodrm)]; |
|
| } else if (ip->i_extra == (char *)db_Grp3) { |
|
| ip = (struct inst *)ip->i_extra; |
|
| ip = &ip[f_reg(regmodrm)]; |
|
| i_name = ip->i_name; |
|
| i_mode = ip->i_mode; |
|
| } else if (ip->i_extra == (char *)db_Grp4 || |
|
| ip->i_extra == (char *)db_Grp5) { |
|
| ip = (struct inst *)ip->i_extra; |
|
| ip = &ip[f_reg(regmodrm)]; |
|
| i_name = ip->i_name; |
|
| i_mode = ip->i_mode; |
|
| i_size = ip->i_size; |
|
| } |
|
| |
|
| if (i_size == DISASM_SDEP) { |
|
| if (size == DISASM_WORD) |
|
| db_printf("%s", i_name); |
|
| else |
|
| db_printf("%s", ip->i_extra); |
|
| } else { |
|
| db_printf("%s", i_name); |
|
| if (i_size != DISASM_NONE) { |
|
| if (i_size == DISASM_BYTE) { |
|
| db_printf("b"); |
|
| size = DISASM_BYTE; |
|
| } else if (i_size == DISASM_WORD) { |
|
| db_printf("w"); |
|
| size = DISASM_WORD; |
|
| } else if (size == DISASM_WORD) { |
|
| db_printf("w"); |
|
| } else { |
|
| db_printf("l"); |
|
| } |
|
| } |
|
| } |
|
| db_printf("\t"); |
|
| for (first = TRUE; |
|
| i_mode != 0; |
|
| i_mode >>= 8, first = FALSE) { |
|
| char tbuf[24]; |
|
| |
|
| if (!first) |
|
| db_printf(", "); |
|
| |
|
| switch (i_mode & 0xFF) { |
|
| case E: |
|
| db_print_address(seg, size, &address); |
|
| break; |
|
| case Eind: |
|
| db_printf("*"); |
|
| db_print_address(seg, size, &address); |
|
| break; |
|
| case Ew: |
|
| db_print_address(seg, DISASM_WORD, &address); |
|
| break; |
|
| case Eb: |
|
| db_print_address(seg, DISASM_BYTE, &address); |
|
| break; |
|
| case R: |
|
| db_printf("%s", db_reg[size][f_reg(regmodrm)]); |
|
| break; |
|
| case Rw: |
|
| db_printf("%s", db_reg[DISASM_WORD][f_reg(regmodrm)]); |
|
| break; |
|
| case Ri: |
|
| db_printf("%s", db_reg[size][f_rm(inst)]); |
|
| break; |
|
| case S: |
|
| db_printf("%s", db_seg_reg[f_reg(regmodrm)]); |
|
| break; |
|
| case Si: |
|
| db_printf("%s", db_seg_reg[f_reg(inst)]); |
|
| break; |
|
| case A: |
|
| db_printf("%s", db_reg[size][0]); /* acc */ |
|
| break; |
|
| case BX: |
|
| if (seg) |
|
| db_printf("%s:", seg); |
|
| db_printf("(%s)", short_addr ? "%bx" : "%ebx"); |
|
| break; |
|
| case CL: |
|
| db_printf("%%cl"); |
|
| break; |
|
| case DX: |
|
| db_printf("%%dx"); |
|
| break; |
|
| case SI: |
|
| if (seg) |
|
| db_printf("%s:", seg); |
|
| db_printf("(%s)", short_addr ? "%si" : "%esi"); |
|
| break; |
|
| case DI: |
|
| db_printf("%%es:(%s)", short_addr ? "%di" : "%edi"); |
|
| break; |
|
| case CR: |
|
| db_printf("%%cr%d", f_reg(regmodrm)); |
|
| break; |
|
| case DR: |
|
| db_printf("%%dr%d", f_reg(regmodrm)); |
|
| break; |
|
| case TR: |
|
| db_printf("%%tr%d", f_reg(regmodrm)); |
|
| break; |
|
| case I: |
|
| len = db_lengths[size]; |
|
| get_value_inc(imm, cs, loc, len, FALSE);/* unsigned */ |
|
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case Is: |
|
| len = db_lengths[size]; |
|
| get_value_inc(imm, cs, loc, len, TRUE); /* signed */ |
|
| db_format_radix(tbuf, 24, imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case Ib: |
|
| get_value_inc(imm, cs, loc, 1, FALSE); /* unsigned */ |
|
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case Ibs: |
|
| get_value_inc(imm, cs, loc, 1, TRUE); /* signed */ |
|
| db_format_radix(tbuf, 24, imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case Iw: |
|
| get_value_inc(imm, cs, loc, 2, FALSE); /* unsigned */ |
|
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case Il: |
|
| get_value_inc(imm, cs, loc, 4, FALSE); |
|
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| break; |
|
| case O: |
|
| if (short_addr) |
|
| get_value_inc(displ, cs, loc, 2, TRUE); |
|
| else |
|
| get_value_inc(displ, cs, loc, 4, TRUE); |
|
| if (seg) { |
|
| db_format_radix(tbuf, 24, displ, TRUE); |
|
| db_printf("%s:%s", seg, tbuf); |
|
| } else |
|
| db_printsym((db_addr_t)displ, DB_STGY_ANY, |
|
| db_printf); |
|
| break; |
|
| case Db: |
|
| get_value_inc(displ, cs, loc, 1, TRUE); |
|
| db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN, |
|
| db_printf); |
|
| break; |
|
| case Dl: |
|
| get_value_inc(displ, cs, loc, 4, TRUE); |
|
| db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN, |
|
| db_printf); |
|
| break; |
|
| case o1: |
|
| db_printf("$1"); |
|
| break; |
|
| case o3: |
|
| db_printf("$3"); |
|
| break; |
|
| case OS: |
|
| get_value_inc(imm, cs, loc, 4, FALSE); /* offset */ |
|
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); |
|
| db_printf("$%s", tbuf); |
|
| get_value_inc(imm2, cs, loc, 2, FALSE); /* segment */ |
|
| db_format_radix(tbuf, 24, (unsigned int)imm2, TRUE); |
|
| db_printf(",%s", tbuf); |
|
| break; |
|
| } |
|
| } |
|
| |
|
| db_printf("\n"); |
|
| return (loc); |
|
| } |
|
| |
|
| void |
|
| disasm(WORD cs, DWORD loc) |
|
| { |
|
| |
|
| db_disasm(cs, loc, FALSE); |
|
| } |
|
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