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| version 1.1, 2003/12/08 00:55:31 | version 1.9, 2005/03/12 12:32:54 |
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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 | |
| * modification, are permitted provided that the following conditions | |
| * 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. | |
| * | |
| * 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" |
| #include "inst_table.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 | * register strings |
| */ | */ |
| #define E 1 /* general effective address */ | const char *reg8_str[8] = { |
| #define Eind 2 /* indirect address (jump, call) */ | "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" |
| #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[] = { | const char *reg16_str[8] = { |
| "", | "ax", "cx", "dx", "bx", "sp", "bp", "si", "di" |
| "", | |
| "", | |
| "", | |
| "bt", | |
| "bts", | |
| "btr", | |
| "btc" | |
| }; | }; |
| const char * const db_Grp9[] = { | const char *reg32_str[8] = { |
| "", | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi" |
| "cmpxchg8b", | |
| "", | |
| "", | |
| "", | |
| "", | |
| "", | |
| "", | |
| }; | }; |
| const struct inst db_inst_0f0x[] = { | const char *sreg_str[6] = { |
| /*00*/ { "", TRUE, DISASM_NONE, op1(Ew), (char *)db_Grp6 }, | "es", "cs", "ss", "ds", "fs", "gs" |
| /*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 */ | * opcode strings |
| /*21*/ { "mov", TRUE, DISASM_LONG, op2(DR,E), 0 }, /* since mod == 11 */ | */ |
| /*22*/ { "mov", TRUE, DISASM_LONG, op2(E,CR), 0 }, | static const char *opcode_1byte[2][256] = { |
| /*23*/ { "mov", TRUE, DISASM_LONG, op2(E,DR), 0 }, | /* 16bit */ |
| /*24*/ { "mov", TRUE, DISASM_LONG, op2(TR,E), 0 }, | { |
| /*25*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*00*/ "addb", "addw", "addb", "addw", "addb", "addw", "push", "pop", |
| /*26*/ { "mov", TRUE, DISASM_LONG, op2(E,TR), 0 }, | "orb", "orw", "orb", "orw", "orb", "orw", "push", NULL, |
| /*27*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*10*/ "adcb", "adcw", "adcb", "adcw", "adcb", "adcw", "push", "pop", |
| "sbbb", "sbbw", "sbbb", "sbbw", "sbbb", "sbbw", "push", "pop", | |
| /*28*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*20*/ "andb", "andw", "andb", "andw", "andb", "andw", NULL, "daa", |
| /*29*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "subb", "subw", "subb", "subw", "subb", "subw", NULL, "das", |
| /*2a*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*30*/ "xorb", "xorw", "xorb", "xorw", "xorb", "xorw", NULL, "aaa", |
| /*2b*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "cmpb", "cmpw", "cmpb", "cmpw", "cmpb", "cmpw", NULL, "aas", |
| /*2c*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*40*/ "incw", "incw", "incw", "incw", "incw", "incw", "incw", "incw", |
| /*2d*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "decw", "decw", "decw", "decw", "decw", "decw", "decw", "decw", |
| /*2e*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*50*/ "push", "push", "push", "push", "push", "push", "push", "push", |
| /*2f*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "pop", "pop", "pop", "pop", "pop", "pop", "pop", "pop", |
| }; | /*60*/ "pusha", "popa", "bound", "arpl", NULL, NULL, NULL, NULL, |
| "push", "imul", "push", "imul", "insb", "insw", "outsb", "outsw", | |
| const struct inst db_inst_0f3x[] = { | /*70*/ "jo", "jno", "jc", "jnc", "jz", "jnz", "jna", "ja", |
| /*30*/ { "wrmsr", FALSE, DISASM_NONE, 0, 0 }, | "js", "jns", "jp", "jnp", "jl", "jnl", "jle", "jnle", |
| /*31*/ { "rdtsc", FALSE, DISASM_NONE, 0, 0 }, | /*80*/ NULL, NULL, NULL, NULL, "testb", "testw", "xchgb", "xchgw", |
| /*32*/ { "rdmsr", FALSE, DISASM_NONE, 0, 0 }, | "movb", "movw", "movb", "movw", "movw", "lea", "movw", "pop", |
| /*33*/ { "rdpmc", FALSE, DISASM_NONE, 0, 0 }, | /*90*/ "nop", "xchgw", "xchgw", "xchgw", "xchgw", "xchgw", "xchgw", "xchgw", |
| /*34*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "cbw", "cwd", "callf", "fwait", "pushf", "popf", "sahf", "lahf", |
| /*35*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*a0*/ "movb", "movw", "movb", "movw", "movsb", "movsw", "cmpsb", "cmpsw", |
| /*36*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "testb", "testw", "stosb", "stosw", "lodsb", "lodsw", "scasb", "scasw", |
| /*37*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*b0*/ "movb", "movb", "movb", "movb", "movb", "movb", "movb", "movb", |
| "movw", "movw", "movw", "movw", "movw", "movw", "movw", "movw", | |
| /*38*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*c0*/ NULL, NULL, "ret", "ret", "les", "lds", "movb", "movw", |
| /*39*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "enter", "leave", "retf", "retf", "int3", "int", "into", "iret", |
| /*3a*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*d0*/ NULL, NULL, NULL, NULL, "aam", "aad", "salc", "xlat", |
| /*3v*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "esc0", "esc1", "esc2", "esc3", "esc4", "esc5", "esc6", "esc7", |
| /*3c*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*e0*/ "loopne","loope", "loop", "jcxz", "inb", "inw", "outb", "outw", |
| /*3d*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "call", "jmp", "jmpf", "jmp", "inb", "inw", "outb", "outw", |
| /*3e*/ { "", FALSE, DISASM_NONE, 0, 0 }, | /*f0*/ "lock:", "int1", "repne", "repe", "hlt", "cmc", NULL, NULL, |
| /*3f*/ { "", FALSE, DISASM_NONE, 0, 0 }, | "clc", "stc", "cli", "sti", "cld", "std", NULL, NULL, |
| }; | }, |
| /* 32bit */ | |
| const struct inst db_inst_0f8x[] = { | { |
| /*80*/ { "jo", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*00*/ "addb", "addl", "addb", "addl", "addb", "addl", "pushl", "popl", |
| /*81*/ { "jno", FALSE, DISASM_NONE, op1(Dl), 0 }, | "orb", "orl", "orb", "orl", "orb", "orl", "pushl", NULL, |
| /*82*/ { "jb", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*10*/ "adcb", "adcl", "adcb", "adcl", "adcb", "adcl", "pushl", "popl", |
| /*83*/ { "jnb", FALSE, DISASM_NONE, op1(Dl), 0 }, | "sbbb", "sbbl", "sbbb", "sbbl", "sbbb", "sbbl", "pushl", "popl", |
| /*84*/ { "jz", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*20*/ "andb", "andl", "andb", "andl", "andb", "andl", NULL, "daa", |
| /*85*/ { "jnz", FALSE, DISASM_NONE, op1(Dl), 0 }, | "subb", "subl", "subb", "subl", "subb", "subl", NULL, "das", |
| /*86*/ { "jbe", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*30*/ "xorb", "xorl", "xorb", "xorl", "xorb", "xorl", NULL, "aaa", |
| /*87*/ { "jnbe", FALSE, DISASM_NONE, op1(Dl), 0 }, | "cmpb", "cmpl", "cmpb", "cmpl", "cmpb", "cmpl", NULL, "aas", |
| /*40*/ "incl", "incl", "incl", "incl", "incl", "incl", "incl", "incl", | |
| /*88*/ { "js", FALSE, DISASM_NONE, op1(Dl), 0 }, | "decl", "decl", "decl", "decl", "decl", "decl", "decl", "decl", |
| /*89*/ { "jns", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*50*/ "pushl", "pushl", "pushl", "pushl", "pushl", "pushl", "pushl", "pushl", |
| /*8a*/ { "jp", FALSE, DISASM_NONE, op1(Dl), 0 }, | "popl", "popl", "popl", "popl", "popl", "popl", "popl", "pop", |
| /*8b*/ { "jnp", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*60*/ "pushad","popad", "bound", "arpl", NULL, NULL, NULL, NULL, |
| /*8c*/ { "jl", FALSE, DISASM_NONE, op1(Dl), 0 }, | "pushl", "imul", "pushl", "imul", "insb", "insl", "outsb", "outsl", |
| /*8d*/ { "jnl", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*70*/ "jo", "jno", "jc", "jnc", "jz", "jnz", "jna", "ja", |
| /*8e*/ { "jle", FALSE, DISASM_NONE, op1(Dl), 0 }, | "js", "jns", "jp", "jnp", "jl", "jnl", "jle", "jnle", |
| /*8f*/ { "jnle", FALSE, DISASM_NONE, op1(Dl), 0 }, | /*80*/ NULL, NULL, NULL, NULL, "testb", "testl", "xchgb", "xchgl", |
| }; | "movb", "movl", "movb", "movl", "movl", "lea", "movl", "popl", |
| /*90*/ "nop", "xchgl", "xchgl", "xchgl", "xchgl", "xchgl", "xchgl", "xchgl", | |
| const struct inst db_inst_0f9x[] = { | "cwde", "cdq", "callfl","fwait", "pushfd","popfd", "sahf", "lahf", |
| /*90*/ { "seto", TRUE, DISASM_NONE, op1(Eb), 0 }, | /*a0*/ "movb", "movl", "movb", "movl", "movsb", "movsd", "cmpsb", "cmpsd", |
| /*91*/ { "setno", TRUE, DISASM_NONE, op1(Eb), 0 }, | "testb", "testl", "stosb", "stosd", "lodsb", "lodsd", "scasb", "scasd", |
| /*92*/ { "setb", TRUE, DISASM_NONE, op1(Eb), 0 }, | /*b0*/ "movb", "movb", "movb", "movb", "movb", "movb", "movb", "movb", |
| /*93*/ { "setnb", TRUE, DISASM_NONE, op1(Eb), 0 }, | "movl", "movl", "movl", "movl", "movl", "movl", "movl", "movl", |
| /*94*/ { "setz", TRUE, DISASM_NONE, op1(Eb), 0 }, | /*c0*/ NULL, NULL, "ret", "ret", "les", "lds", "movb", "movl", |
| /*95*/ { "setnz", TRUE, DISASM_NONE, op1(Eb), 0 }, | "enter", "leave", "retf", "retf", "int3", "int", "into", "iretd", |
| /*96*/ { "setbe", TRUE, DISASM_NONE, op1(Eb), 0 }, | /*d0*/ NULL, NULL, NULL, NULL, "aam", "aad", "salc", "xlat", |
| /*97*/ { "setnbe",TRUE, DISASM_NONE, op1(Eb), 0 }, | "esc0", "esc1", "esc2", "esc3", "esc4", "esc5", "esc6", "esc7", |
| /*e0*/ "loopne","loope", "loop", "jecxz", "inb", "inl", "outb", "outl", | |
| /*98*/ { "sets", TRUE, DISASM_NONE, op1(Eb), 0 }, | "call", "jmp", "jmpf", "jmp", "inb", "inl", "outb", "outl", |
| /*99*/ { "setns", TRUE, DISASM_NONE, op1(Eb), 0 }, | /*f0*/ "lock:", "int1", "repne", "repe", "hlt", "cmc", NULL, NULL, |
| /*9a*/ { "setp", TRUE, DISASM_NONE, op1(Eb), 0 }, | "clc", "stc", "cli", "sti", "cld", "std", NULL, NULL, |
| /*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[] = { | static const char *opcode_2byte[2][256] = { |
| "", "fucompp","", "", "", "", "", "" | /* 16bit */ |
| { | |
| /*00*/ NULL, NULL, "lar", "lsl", | |
| NULL, "loadall", "clts", NULL, | |
| "invd", "wbinvd", NULL, "UD2", | |
| NULL, NULL, NULL, NULL, | |
| /*10*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*20*/ "movl", "movl", "movl", "movl", | |
| "movl", NULL, "movl", NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*30*/ "wrmsr", "rdtsc", "rdmsr", NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*40*/ "cmovo", "cmovno", "cmovc", "cmovnc", | |
| "cmovz", "cmovnz", "cmovna", "cmova", | |
| "cmovs", "cmovns", "cmovp", "cmovnp", | |
| "cmovl", "cmovnl", "cmovle", "cmovnle", | |
| /*50*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*60*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*70*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*80*/ "jo", "jno", "jc", "jnc", | |
| "jz", "jnz", "jna", "ja", | |
| "js", "jns", "jp", "jnp", | |
| "jl", "jnl", "jle", "jnle", | |
| /*90*/ "seto", "setno", "setc", "setnc", | |
| "setz", "setnz", "setna", "seta", | |
| "sets", "setns", "setp", "setnp", | |
| "setl", "setnl", "setle", "setnle", | |
| /*a0*/ "push", "pop", "cpuid", "bt", | |
| "shldb", "shldw", "cmpxchgb","cmpxchgw", | |
| "push", "pop", "rsm", "bts", | |
| "shrdb", "shrdw", NULL, "imul", | |
| /*b0*/ "cmpxchgb","cmpxchgw","lss", "btr", | |
| "lfs", "lgs", "movzb", "movzw", | |
| NULL, "UD2", NULL, "btc", | |
| "bsf", "bsr", "movsb", "movsw", | |
| /*c0*/ "xaddb", "xaddw", NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| "bswap", "bswap", "bswap", "bswap", | |
| "bswap", "bswap", "bswap", "bswap", | |
| /*d0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*e0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*f0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| }, | |
| /* 32bit */ | |
| { | |
| /*00*/ NULL, NULL, "lar", "lsl", | |
| NULL, "loadall", "clts", NULL, | |
| "invd", "wbinvd", NULL, "UD2", | |
| NULL, NULL, NULL, NULL, | |
| /*10*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*20*/ "movl", "movl", "movl", "movl", | |
| "movl", NULL, "movl", NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*30*/ "wrmsr", "rdtsc", "rdmsr", NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*40*/ "cmovo", "cmovno", "cmovc", "cmovnc", | |
| "cmovz", "cmovnz", "cmovna", "cmova", | |
| "cmovs", "cmovns", "cmovp", "cmovnp", | |
| "cmovl", "cmovnl", "cmovle", "cmovnle", | |
| /*50*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*60*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*70*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*80*/ "jo", "jno", "jc", "jnc", | |
| "jz", "jnz", "jna", "ja", | |
| "js", "jns", "jp", "jnp", | |
| "jl", "jnl", "jle", "jnle", | |
| /*90*/ "seto", "setno", "setc", "setnc", | |
| "setz", "setnz", "setna", "seta", | |
| "sets", "setns", "setp", "setnp", | |
| "setl", "setnl", "setle", "setnle", | |
| /*a0*/ "push", "pop", "cpuid", "bt", | |
| "shldb", "shldl", "cmpxchgb","cmpxchgl", | |
| "push", "pop", "rsm", "bts", | |
| "shrdb", "shrdl", NULL, "imul", | |
| /*b0*/ "cmpxchgb","cmpxchgd","lss", "btr", | |
| "lfs", "lgs", "movzbl", "movzwl", | |
| NULL, "UD2", NULL, "btc", | |
| "bsf", "bsr", "movsbl", "movswl", | |
| /*c0*/ "xaddb", "xaddl", NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| "bswapl", "bswapl", "bswapl", "bswapl", | |
| "bswapl", "bswapl", "bswapl", "bswapl", | |
| /*d0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*e0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| /*f0*/ NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| NULL, NULL, NULL, NULL, | |
| } | |
| }; | }; |
| const char * const db_Escb4[] = { | static const char *opcode_0x8x[2][2][8] = { |
| "", "", "fnclex","fninit","", "", "", "" | /* 16bit */ |
| { | |
| { "addb", "orb", "adcb", "sbbb", "andb", "subb", "xorb", "cmpb" }, | |
| { "addw", "orw", "adcw", "sbbw", "andw", "subw", "xorw", "cmpw" } | |
| }, | |
| /* 32bit */ | |
| { | |
| { "addb", "orb", "adcb", "sbbb", "andb", "subb", "xorb", "cmpb" }, | |
| { "addl", "orl", "adcl", "sbbl", "andl", "subl", "xorl", "cmpl" } | |
| } | |
| }; | }; |
| const char * const db_Esce3[] = { | static const char *opcode_shift[2][2][8] = { |
| "", "fcompp","", "", "", "", "", "" | /* 16bit */ |
| { | |
| { "rolb", "rorb", "rclb", "rcrb", "shlb", "shrb", "shlb", "sarb" }, | |
| { "rolw", "rorw", "rclw", "rcrw", "shlw", "shrw", "shlw", "sarw" } | |
| }, | |
| /* 32bit */ | |
| { | |
| { "rolb", "rorb", "rclb", "rcrb", "shlb", "shrb", "shlb", "sarb" }, | |
| { "roll", "rorl", "rcll", "rcrl", "shll", "shrl", "shll", "sarl" } | |
| }, | |
| }; | }; |
| const char * const db_Escf4[] = { | static const char *opcode_0xf6[2][2][8] = { |
| "fnstsw","", "", "", "", "", "", "" | /* 16bit */ |
| { | |
| { "testb", "testb", "notb", "negb", "mul", "imul", "div", "idiv" }, | |
| { "testw", "testw", "notw", "negw", "mulw", "imulw", "divw", "idivw" } | |
| }, | |
| /* 32bit */ | |
| { | |
| { "testb", "testb", "notb", "negb", "mul", "imul", "div", "idiv" }, | |
| { "testl", "testl", "notl", "negl", "mull", "imull", "divl", "idivl" } | |
| }, | |
| }; | }; |
| const struct finst db_Esc8[] = { | static const char *opcode_0xfe[2][2][8] = { |
| /*0*/ { "fadd", DISASM_SNGL, op2(STI,ST), 0 }, | /* 16bit */ |
| /*1*/ { "fmul", DISASM_SNGL, op2(STI,ST), 0 }, | { |
| /*2*/ { "fcom", DISASM_SNGL, op2(STI,ST), 0 }, | { "incb", "decb", NULL, NULL, NULL, NULL, NULL, NULL }, |
| /*3*/ { "fcomp", DISASM_SNGL, op2(STI,ST), 0 }, | { "incw", "decw", "call", "callf", "jmp", "jmpf", "push", NULL } |
| /*4*/ { "fsub", DISASM_SNGL, op2(STI,ST), 0 }, | }, |
| /*5*/ { "fsubr", DISASM_SNGL, op2(STI,ST), 0 }, | /* 32bit */ |
| /*6*/ { "fdiv", DISASM_SNGL, op2(STI,ST), 0 }, | { |
| /*7*/ { "fdivr", DISASM_SNGL, op2(STI,ST), 0 }, | { "incb", "decb", NULL, NULL, NULL, NULL, NULL, NULL }, |
| { "incl", "decl", "call", "callf", "jmp", "jmpf", "pushl", NULL } | |
| } | |
| }; | }; |
| const struct finst db_Esc9[] = { | static const char *opcode2_g6[8] = { |
| /*0*/ { "fld", DISASM_SNGL, op1(STI), 0 }, | "sldt", "str", "lldt", "ltr", "verr", "verw", NULL, NULL |
| /*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[] = { | static const char *opcode2_g7[8] = { |
| /*0*/ { "fiadd", DISASM_WORD, 0, 0 }, | "sgdt", "sidt", "lgdt", "lidt", "smsw", NULL, "lmsw", "invlpg" |
| /*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[] = { | static const char *opcode2_g8[8] = { |
| /*0*/ { "fild", DISASM_WORD, 0, 0 }, | NULL, NULL, NULL, NULL, "bt", "bts", "btr", "btc" |
| /*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[] = { | static const char *opcode2_g9[8] = { |
| /*0*/ { "fadd", DISASM_DBLR, op2(ST,STI), 0 }, | NULL, "cmpxchg8b", NULL, NULL, NULL, NULL, NULL, NULL |
| /*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[] = { | #if 0 |
| /*0*/ { "fld", DISASM_DBLR, op1(STI), "ffree" }, | static const char *sep[2] = { " ", ", " }; |
| /*1*/ { "", DISASM_NONE, 0, 0 }, | #endif |
| /*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 }, | * fetch memory |
| /*1*/ { "", DISASM_LONG, 0, 0 }, | */ |
| /*2*/ { "fist", DISASM_LONG, 0, 0 }, | static int |
| /*3*/ { "fistp", DISASM_LONG, 0, 0 }, | convert_address(disasm_context_t *ctx) |
| /*4*/ { "fbld", DISASM_NONE, op1(XA), (char *)db_Escf4 }, | { |
| /*5*/ { "fld", DISASM_QUAD, 0, 0 }, | UINT32 pde_addr; /* page directory entry address */ |
| /*6*/ { "fbstp", DISASM_NONE, 0, 0 }, | UINT32 pde; /* page directory entry */ |
| /*7*/ { "fstp", DISASM_QUAD, 0, 0 }, | UINT32 pte_addr; /* page table entry address */ |
| }; | UINT32 pte; /* page table entry */ |
| UINT32 addr; | |
| if (CPU_STAT_SREG(CPU_CS_INDEX).valid) { | |
| addr = CPU_STAT_SREGBASE(CPU_CS_INDEX) + ctx->eip; | |
| if (CPU_STAT_PAGING) { | |
| pde_addr = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); | |
| pde = cpu_memoryread_d(pde_addr); | |
| /* XXX: check */ | |
| pte_addr = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); | |
| pte = cpu_memoryread_d(pte_addr); | |
| /* XXX: check */ | |
| addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); | |
| } | |
| ctx->val = addr; | |
| return 0; | |
| } | |
| return 1; | |
| } | |
| const struct finst * const db_Esc_inst[] = { | static int |
| db_Esc8, db_Esc9, db_Esca, db_Escb, | disasm_codefetch_1(disasm_context_t *ctx) |
| db_Escc, db_Escd, db_Esce, db_Escf | { |
| }; | UINT8 val; |
| int rv; | |
| const char * const db_Grp1[] = { | rv = convert_address(ctx); |
| "add", | if (rv) |
| "or", | return rv; |
| "adc", | |
| "sbb", | |
| "and", | |
| "sub", | |
| "xor", | |
| "cmp" | |
| }; | |
| const char * const db_Grp2[] = { | val = cpu_memoryread(ctx->val); |
| "rol", | ctx->val = val; |
| "ror", | |
| "rcl", | |
| "rcr", | |
| "shl", | |
| "shr", | |
| "shl", | |
| "sar" | |
| }; | |
| const struct inst db_Grp3[] = { | ctx->opbyte[ctx->nopbytes++] = (UINT8)ctx->val; |
| { "test", TRUE, DISASM_NONE, op2(I,E), 0 }, | ctx->eip++; |
| { "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[] = { | return 0; |
| { "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[] = { | #if 0 |
| { "inc", TRUE, DISASM_LONG, op1(E), 0 }, | static int |
| { "dec", TRUE, DISASM_LONG, op1(E), 0 }, | disasm_codefetch_2(disasm_context_t *ctx) |
| { "call", TRUE, DISASM_NONE, op1(Eind),0 }, | { |
| { "lcall", TRUE, DISASM_NONE, op1(Eind),0 }, | UINT16 val; |
| { "jmp", TRUE, DISASM_NONE, op1(Eind),0 }, | int rv; |
| { "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] = { | rv = disasm_codefetch_1(ctx); |
| /*00*/ { "add", TRUE, DISASM_BYTE, op2(R, E), 0 }, | if (rv) |
| /*01*/ { "add", TRUE, DISASM_LONG, op2(R, E), 0 }, | return rv; |
| /*02*/ { "add", TRUE, DISASM_BYTE, op2(E, R), 0 }, | val = (UINT16)(ctx->val & 0xff); |
| /*03*/ { "add", TRUE, DISASM_LONG, op2(E, R), 0 }, | rv = disasm_codefetch_1(ctx); |
| /*04*/ { "add", FALSE, DISASM_BYTE, op2(Is, A), 0 }, | if (rv) |
| /*05*/ { "add", FALSE, DISASM_LONG, op2(Is, A), 0 }, | return rv; |
| /*06*/ { "push", FALSE, DISASM_NONE, op1(Si), 0 }, | val |= (UINT16)(ctx->val & 0xff) << 8; |
| /*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 = | ctx->val = val; |
| { "???", FALSE, DISASM_NONE, 0, 0 } | return 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] = { | static int |
| "%bx,%si", | disasm_codefetch_4(disasm_context_t *ctx) |
| "%bx,%di", | { |
| "%bp,%si", | UINT32 val; |
| "%bp,%di", | int rv; |
| "%si", | |
| "%di", | |
| "%bp", | |
| "%bx" | |
| }; | |
| const char * const db_reg[3][8] = { | rv = disasm_codefetch_1(ctx); |
| { "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh" }, | if (rv) |
| { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di" }, | return rv; |
| { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi" } | val = ctx->val & 0xff; |
| }; | rv = disasm_codefetch_1(ctx); |
| if (rv) | |
| return rv; | |
| val |= (UINT32)(ctx->val & 0xff) << 8; | |
| rv = disasm_codefetch_1(ctx); | |
| if (rv) | |
| return rv; | |
| val |= (UINT32)(ctx->val & 0xff) << 16; | |
| rv = disasm_codefetch_1(ctx); | |
| if (rv) | |
| return rv; | |
| val |= (UINT32)(ctx->val & 0xff) << 24; | |
| const char * const db_seg_reg[8] = { | ctx->val = val; |
| "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", "" | return 0; |
| }; | } |
| /* | /* |
| * lengths for size attributes | * get effective address. |
| */ | */ |
| 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) \ | static int |
| do { \ | ea16(disasm_context_t *ctx, char *buf, size_t size) |
| result = db_get_value((cs), (loc), (size), (is_signed)); \ | { |
| (loc) += (size); \ | static const char *ea16_str[8] = { |
| } while (0) | "bx + si", "bx + di", "bp + si", "bp + di", |
| "si", "di", "bp", "bx" | |
| }; | |
| UINT32 val; | |
| UINT mod, rm; | |
| int rv; | |
| mod = (ctx->modrm >> 6) & 3; | |
| rm = ctx->modrm & 7; | |
| if (mod == 0) { | |
| if (rm == 6) { | |
| /* disp16 */ | |
| rv = disasm_codefetch_2(ctx); | |
| if (rv) | |
| return rv; | |
| snprintf(buf, size, "[0x%04x]", ctx->val); | |
| } else { | |
| snprintf(buf, size, "[%s]", ea16_str[rm]); | |
| } | |
| } else { | |
| if (mod == 1) { | |
| /* disp8 */ | |
| rv = disasm_codefetch_1(ctx); | |
| if (rv) | |
| return rv; | |
| val = ctx->val; | |
| if (val & 0x80) { | |
| val |= 0xff00; | |
| } | |
| } else { | |
| /* disp16 */ | |
| rv = disasm_codefetch_2(ctx); | |
| if (rv) | |
| return rv; | |
| val = ctx->val; | |
| } | |
| snprintf(buf, size, "[%s + 0x%04x]", ea16_str[rm], val); | |
| } | |
| static db_addr_t db_read_address(WORD, db_addr_t, int, int, struct i_addr *); | return 0; |
| 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 *); | |
| /* | static int |
| * Read address at location and return updated location. | ea32(disasm_context_t *ctx, char *buf, size_t size) |
| */ | { |
| static db_addr_t | char tmp[32]; |
| db_read_address(cs, loc, short_addr, regmodrm, addrp) | UINT count[9]; |
| WORD cs; | UINT32 val; |
| db_addr_t loc; | UINT mod, rm; |
| int short_addr; | UINT sib; |
| int regmodrm; | UINT scale; |
| struct i_addr *addrp; /* out */ | UINT idx; |
| { | UINT base; |
| int mod, rm, sib, index, disp; | int rv; |
| int i, n; | |
| mod = f_mod(regmodrm); | |
| rm = f_rm(regmodrm); | memset(count, 0, sizeof(count)); |
| if (mod == 3) { | mod = (ctx->modrm >> 6) & 3; |
| addrp->is_reg = TRUE; | rm = ctx->modrm & 7; |
| addrp->disp = rm; | |
| return (loc); | /* SIB */ |
| if (rm == 4) { | |
| rv = disasm_codefetch_1(ctx); | |
| if (rv) | |
| return rv; | |
| sib = ctx->val; | |
| scale = (sib >> 6) & 3; | |
| idx = (sib >> 3) & 7; | |
| base = sib & 7; | |
| /* base */ | |
| if (mod == 0 && base == 5) { | |
| /* disp32 */ | |
| rv = disasm_codefetch_4(ctx); | |
| if (rv) | |
| return rv; | |
| count[8] += ctx->val; | |
| } else { | |
| count[base]++; | |
| } | |
| /* index & scale */ | |
| if (idx != 4) { | |
| count[idx] += 1 << scale; | |
| } | |
| } | } |
| addrp->is_reg = FALSE; | |
| addrp->index = 0; | |
| if (short_addr) { | /* MOD/RM */ |
| addrp->index = 0; | if (mod == 0 && rm == 5) { |
| addrp->ss = 0; | /* disp32 */ |
| switch (mod) { | rv = disasm_codefetch_4(ctx); |
| case 0: | if (rv) |
| if (rm == 6) { | return rv; |
| get_value_inc(disp, cs, loc, 2, TRUE); | count[8] += ctx->val; |
| addrp->disp = disp; | } else { |
| addrp->base = 0; | /* mod */ |
| } else { | if (mod == 1) { |
| addrp->disp = 0; | /* disp8 */ |
| addrp->base = db_index_reg_16[rm]; | rv = disasm_codefetch_1(ctx); |
| if (rv) | |
| return rv; | |
| val = ctx->val; | |
| if (val & 0x80) { | |
| val |= 0xffffff00; | |
| } | } |
| break; | count[8] += val; |
| case 1: | } else if (mod == 2) { |
| get_value_inc(disp, cs, loc, 1, TRUE); | /* disp32 */ |
| addrp->disp = disp; | rv = disasm_codefetch_4(ctx); |
| addrp->base = db_index_reg_16[rm]; | if (rv) |
| break; | return rv; |
| case 2: | count[8] += ctx->val; |
| 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) { | /* rm */ |
| get_value_inc(sib, cs, loc, 1, FALSE); | if (rm != 4) { |
| rm = sib_base(sib); | count[rm]++; |
| index = sib_index(sib); | |
| if (index != 4) | |
| addrp->index = db_reg[DISASM_LONG][index]; | |
| addrp->ss = sib_ss(sib); | |
| } | } |
| } | |
| switch (mod) { | milstr_ncpy(buf, "[", size); |
| case 0: | for (n = 0, i = 0; i < 8; i++) { |
| if (rm == 5) { | if (count[i] != 0) { |
| get_value_inc(addrp->disp, cs, loc, 4, FALSE); | if (n > 0) { |
| addrp->base = 0; | milstr_ncat(buf, " + ", size); |
| } | |
| if (count[i] > 1) { | |
| snprintf(tmp, size, "%s * %d", | |
| reg32_str[i], count[i]); | |
| } else { | } else { |
| addrp->disp = 0; | milstr_ncpy(tmp, reg32_str[i], sizeof(tmp)); |
| addrp->base = db_reg[DISASM_LONG][rm]; | |
| } | } |
| break; | milstr_ncat(buf, tmp, size); |
| case 1: | n++; |
| 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); | if (count[8] != 0) { |
| if (n > 0) { | |
| milstr_ncat(buf, " + ", size); | |
| } | |
| snprintf(tmp, sizeof(tmp), "0x%08x", count[8]); | |
| milstr_ncat(buf, tmp, size); | |
| } | |
| milstr_ncat(buf, "]", size); | |
| return 0; | |
| } | } |
| static void | static int |
| db_print_address(seg, size, addrp) | ea(disasm_context_t *ctx) |
| char * seg; | { |
| int size; | char buf[256]; |
| struct i_addr *addrp; | char tmp[8]; |
| { | size_t len; |
| if (addrp->is_reg) { | int rv; |
| db_printf("%s", db_reg[size][addrp->disp]); | |
| return; | |
| } | |
| if (seg) | memset(buf, 0, sizeof(buf)); |
| db_printf("%s:", seg); | |
| db_printsym((db_addr_t)addrp->disp, DB_STGY_ANY, db_printf); | if (!ctx->as32) |
| if (addrp->base != 0 || addrp->index != 0) { | rv = ea16(ctx, buf, sizeof(buf)); |
| db_printf("("); | else |
| if (addrp->base) | rv = ea32(ctx, buf, sizeof(buf)); |
| db_printf("%s", addrp->base); | if (rv) |
| if (addrp->index) | return rv; |
| db_printf(", %s, %d", addrp->index, 1<<addrp->ss); | |
| db_printf(")"); | |
| } | |
| } | |
| /* | if (ctx->narg == 0) { |
| * Disassemble floating-point ("escape") instruction | milstr_ncat(ctx->next, sep[0], ctx->remain); |
| * 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 { | } else { |
| /* | milstr_ncat(ctx->next, sep[1], ctx->remain); |
| * '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; | |
| } | |
| } | } |
| len = strlen(ctx->next); | |
| len = (len < ctx->remain) ? len : ctx->remain; | |
| ctx->next += len; | |
| ctx->remain -= len; | |
| ctx->arg[ctx->narg++] = ctx->next; | |
| if (ctx->useseg) { | |
| snprintf(tmp, sizeof(tmp), "%s:", sreg_str[ctx->seg]); | |
| milstr_ncat(ctx->next, tmp, ctx->remain); | |
| } | |
| milstr_ncat(ctx->next, buf, ctx->remain); | |
| len = strlen(ctx->next); | |
| len = (len < ctx->remain) ? len : ctx->remain; | |
| ctx->next += len; | |
| ctx->remain -= len; | |
| return (loc); | return 0; |
| } | } |
| #endif | |
| /* | /* |
| * Disassemble instruction at 'loc'. 'altfmt' specifies an | * get opcode |
| * (optional) alternate format. Return address of start of | |
| * next instruction. | |
| */ | */ |
| static db_addr_t | static int |
| db_disasm(cs, loc, altfmt) | op(disasm_context_t *ctx) |
| WORD cs; | { |
| db_addr_t loc; | const char *opcode; |
| boolean_t altfmt; | UINT8 op[3]; |
| { | int prefix; |
| int inst; | size_t len; |
| int size; | int rv; |
| int short_addr; | int i; |
| char * seg; | |
| const struct inst * ip; | for (prefix = 0; prefix < MAX_PREFIX; prefix++) { |
| char * i_name; | rv = disasm_codefetch_1(ctx); |
| int i_size; | if (rv) |
| int i_mode; | return rv; |
| int regmodrm = 0; | |
| boolean_t first; | op[0] = (UINT8)(ctx->val & 0xff); |
| int displ; | if (insttable_info[op[0]] & INST_PREFIX) { |
| int prefix; | if (ctx->prefix == 0) |
| int imm; | ctx->prefix = ctx->next; |
| int imm2; | |
| int len; | switch (op[0]) { |
| struct i_addr address; | case 0x26: /* ES: */ |
| case 0x2e: /* CS: */ | |
| UNUSED(altfmt); | case 0x36: /* SS: */ |
| case 0x3e: /* DS: */ | |
| get_value_inc(inst, cs, loc, 1, FALSE); | ctx->useseg = TRUE; |
| short_addr = CPU_INST_OP32 ? FALSE : TRUE; | ctx->seg = (op[0] >> 3) & 3; |
| size = short_addr ? DISASM_WORD : DISASM_LONG; | break; |
| seg = 0; | |
| case 0x64: /* FS: */ | |
| /* | case 0x65: /* GS: */ |
| * Get prefixes | ctx->useseg = TRUE; |
| */ | ctx->seg = (op[0] - 0x64) + 4; |
| prefix = TRUE; | break; |
| do { | |
| switch (inst) { | case 0x66: /* OPSize: */ |
| case 0x66: /* data16 */ | ctx->op32 = !CPU_INST_OP32; |
| size = short_addr ? DISASM_LONG : DISASM_WORD; | break; |
| break; | |
| case 0x67: | case 0x67: /* AddrSize: */ |
| short_addr = CPU_INST_OP32 ? TRUE : FALSE; | ctx->as32 = !CPU_INST_AS32; |
| break; | break; |
| case 0x26: | } |
| seg = "%es"; | continue; |
| 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) | break; |
| 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 (prefix == MAX_PREFIX) | |
| return 1; | |
| if (inst == 0x0f) { | if (ctx->prefix) { |
| get_value_inc(inst, cs, loc, 1, FALSE); | for (i = 0; i < prefix - 1; i++) { |
| ip = db_inst_0f[inst>>4]; | opcode = opcode_1byte[ctx->op32][ctx->opbyte[i]]; |
| if (ip == 0) | if (opcode) { |
| ip = &db_bad_inst; | milstr_ncat(ctx->next, opcode, ctx->remain); |
| else | milstr_ncat(ctx->next, " ", ctx->remain); |
| 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"); | |
| } | } |
| } | } |
| } | len = strlen(ctx->next); |
| db_printf("\t"); | len = (len < ctx->remain) ? len : ctx->remain; |
| for (first = TRUE; | ctx->next += len; |
| i_mode != 0; | ctx->remain -= len; |
| i_mode >>= 8, first = FALSE) { | } |
| char tbuf[24]; | |
| ctx->opcode[0] = op[0]; | |
| if (!first) | opcode = opcode_1byte[ctx->op32][op[0]]; |
| db_printf(", "); | if (opcode == NULL) { |
| rv = disasm_codefetch_1(ctx); | |
| switch (i_mode & 0xFF) { | if (rv) |
| case E: | return rv; |
| db_print_address(seg, size, &address); | |
| break; | op[1] = (UINT8)(ctx->val & 0xff); |
| case Eind: | ctx->opcode[1] = op[1]; |
| db_printf("*"); | |
| db_print_address(seg, size, &address); | switch (op[0]) { |
| break; | case 0x0f: |
| case Ew: | opcode = opcode_2byte[ctx->op32][op[1]]; |
| db_print_address(seg, DISASM_WORD, &address); | if (opcode == NULL) { |
| break; | rv = disasm_codefetch_1(ctx); |
| case Eb: | if (rv) |
| db_print_address(seg, DISASM_BYTE, &address); | return rv; |
| break; | |
| case R: | op[2] = (UINT8)(ctx->val & 0xff); |
| db_printf("%s", db_reg[size][f_reg(regmodrm)]); | ctx->opcode[2] = op[2]; |
| break; | |
| case Rw: | switch (op[1]) { |
| db_printf("%s", db_reg[DISASM_WORD][f_reg(regmodrm)]); | case 0x00: |
| break; | opcode = opcode2_g6[(op[2]>>3)&7]; |
| case Ri: | ctx->modrm = op[2]; |
| db_printf("%s", db_reg[size][f_rm(inst)]); | break; |
| break; | |
| case S: | case 0x01: |
| db_printf("%s", db_seg_reg[f_reg(regmodrm)]); | opcode = opcode2_g7[(op[2]>>3)&7]; |
| break; | ctx->modrm = op[2]; |
| case Si: | break; |
| db_printf("%s", db_seg_reg[f_reg(inst)]); | |
| break; | case 0xba: |
| case A: | opcode = opcode2_g8[(op[2]>>3)&7]; |
| db_printf("%s", db_reg[size][0]); /* acc */ | ctx->modrm = op[2]; |
| break; | break; |
| case BX: | |
| if (seg) | case 0xc7: |
| db_printf("%s:", seg); | opcode = opcode2_g9[(op[2]>>3)&7]; |
| db_printf("(%s)", short_addr ? "%bx" : "%ebx"); | ctx->modrm = op[2]; |
| break; | 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; | break; |
| case Dl: | |
| get_value_inc(displ, cs, loc, 4, TRUE); | case 0x80: case 0x81: case 0x82: case 0x83: |
| db_printsym((db_addr_t)(displ + loc), DB_STGY_XTRN, | opcode = opcode_0x8x[ctx->op32][op[0]&1][(op[1]>>3)&7]; |
| db_printf); | ctx->modrm = op[1]; |
| break; | break; |
| case o1: | |
| db_printf("$1"); | case 0xc0: case 0xc1: |
| case 0xd0: case 0xd1: case 0xd2: case 0xd3: | |
| opcode = opcode_shift[ctx->op32][op[0]&1][(op[1]>>3)&7]; | |
| ctx->modrm = op[1]; | |
| break; | break; |
| case o3: | |
| db_printf("$3"); | case 0xf6: case 0xf7: |
| opcode = opcode_0xf6[ctx->op32][op[0]&1][(op[1]>>3)&7]; | |
| ctx->modrm = op[1]; | |
| break; | break; |
| case OS: | |
| get_value_inc(imm, cs, loc, 4, FALSE); /* offset */ | case 0xfe: case 0xff: |
| db_format_radix(tbuf, 24, (unsigned int)imm, TRUE); | opcode = opcode_0xfe[ctx->op32][op[0]&1][(op[1]>>3)&7]; |
| db_printf("$%s", tbuf); | ctx->modrm = op[1]; |
| get_value_inc(imm2, cs, loc, 2, FALSE); /* segment */ | |
| db_format_radix(tbuf, 24, (unsigned int)imm2, TRUE); | |
| db_printf(",%s", tbuf); | |
| break; | break; |
| } | } |
| } | } |
| if (opcode == NULL) | |
| return 1; | |
| milstr_ncat(ctx->next, opcode, ctx->remain); | |
| db_printf("\n"); | return 0; |
| return (loc); | |
| } | } |
| void | /* |
| disasm(WORD cs, DWORD loc) | * interface |
| */ | |
| int | |
| disasm(UINT32 *eip, disasm_context_t *ctx) | |
| { | { |
| int rv; | |
| memset(ctx, 0, sizeof(disasm_context_t)); | |
| ctx->remain = sizeof(ctx->str) - 1; | |
| ctx->next = ctx->str; | |
| ctx->prefix = 0; | |
| ctx->op = 0; | |
| ctx->arg[0] = 0; | |
| ctx->arg[1] = 0; | |
| ctx->arg[2] = 0; | |
| ctx->eip = *eip; | |
| ctx->op32 = CPU_INST_OP32; | |
| ctx->as32 = CPU_INST_AS32; | |
| ctx->seg = -1; | |
| ctx->baseaddr = ctx->eip; | |
| ctx->pad = ' '; | |
| rv = op(ctx); | |
| if (rv) { | |
| memset(ctx, 0, sizeof(disasm_context_t)); | |
| return rv; | |
| } | |
| *eip = ctx->eip; | |
| db_disasm(cs, loc, FALSE); | return 0; |
| } | } |