X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fi386-dis.c;h=a3b205a49d8a77726561cc0ef44cc02e852bf941;hb=f1022c90ad7f6b94257c1b2fda3b46a5db9c9867;hp=be78e83fef11b7154d8ea6bdb939e875b272a4b6;hpb=8373f9713f3d2f523a144cdb0c2024b9275f2af4;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index be78e83fef..a3b205a49d 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -1,38 +1,35 @@ /* Print i386 instructions for GDB, the GNU debugger. Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2001, 2002, 2003 Free Software Foundation, Inc. + 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ -/* - * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) - * July 1988 - * modified by John Hassey (hassey@dg-rtp.dg.com) - * x86-64 support added by Jan Hubicka (jh@suse.cz) - */ +/* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) + July 1988 + modified by John Hassey (hassey@dg-rtp.dg.com) + x86-64 support added by Jan Hubicka (jh@suse.cz) + VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */ -/* - * The main tables describing the instructions is essentially a copy - * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 - * Programmers Manual. Usually, there is a capital letter, followed - * by a small letter. The capital letter tell the addressing mode, - * and the small letter tells about the operand size. Refer to - * the Intel manual for details. - */ +/* The main tables describing the instructions is essentially a copy + of the "Opcode Map" chapter (Appendix A) of the Intel 80386 + Programmers Manual. Usually, there is a capital letter, followed + by a small letter. The capital letter tell the addressing mode, + and the small letter tells about the operand size. Refer to + the Intel manual for details. */ #include "dis-asm.h" #include "sysdep.h" @@ -48,52 +45,62 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define UNIXWARE_COMPAT 1 #endif -static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); -static void ckprefix PARAMS ((void)); -static const char *prefix_name PARAMS ((int, int)); -static int print_insn PARAMS ((bfd_vma, disassemble_info *)); -static void dofloat PARAMS ((int)); -static void OP_ST PARAMS ((int, int)); -static void OP_STi PARAMS ((int, int)); -static int putop PARAMS ((const char *, int)); -static void oappend PARAMS ((const char *)); -static void append_seg PARAMS ((void)); -static void OP_indirE PARAMS ((int, int)); -static void print_operand_value PARAMS ((char *, int, bfd_vma)); -static void OP_E PARAMS ((int, int)); -static void OP_G PARAMS ((int, int)); -static bfd_vma get64 PARAMS ((void)); -static bfd_signed_vma get32 PARAMS ((void)); -static bfd_signed_vma get32s PARAMS ((void)); -static int get16 PARAMS ((void)); -static void set_op PARAMS ((bfd_vma, int)); -static void OP_REG PARAMS ((int, int)); -static void OP_IMREG PARAMS ((int, int)); -static void OP_I PARAMS ((int, int)); -static void OP_I64 PARAMS ((int, int)); -static void OP_sI PARAMS ((int, int)); -static void OP_J PARAMS ((int, int)); -static void OP_SEG PARAMS ((int, int)); -static void OP_DIR PARAMS ((int, int)); -static void OP_OFF PARAMS ((int, int)); -static void OP_OFF64 PARAMS ((int, int)); -static void ptr_reg PARAMS ((int, int)); -static void OP_ESreg PARAMS ((int, int)); -static void OP_DSreg PARAMS ((int, int)); -static void OP_C PARAMS ((int, int)); -static void OP_D PARAMS ((int, int)); -static void OP_T PARAMS ((int, int)); -static void OP_Rd PARAMS ((int, int)); -static void OP_MMX PARAMS ((int, int)); -static void OP_XMM PARAMS ((int, int)); -static void OP_EM PARAMS ((int, int)); -static void OP_EX PARAMS ((int, int)); -static void OP_MS PARAMS ((int, int)); -static void OP_XS PARAMS ((int, int)); -static void OP_3DNowSuffix PARAMS ((int, int)); -static void OP_SIMD_Suffix PARAMS ((int, int)); -static void SIMD_Fixup PARAMS ((int, int)); -static void BadOp PARAMS ((void)); +static int fetch_data (struct disassemble_info *, bfd_byte *); +static void ckprefix (void); +static const char *prefix_name (int, int); +static int print_insn (bfd_vma, disassemble_info *); +static void dofloat (int); +static void OP_ST (int, int); +static void OP_STi (int, int); +static int putop (const char *, int); +static void oappend (const char *); +static void append_seg (void); +static void OP_indirE (int, int); +static void print_operand_value (char *, int, bfd_vma); +static void OP_E (int, int); +static void OP_G (int, int); +static bfd_vma get64 (void); +static bfd_signed_vma get32 (void); +static bfd_signed_vma get32s (void); +static int get16 (void); +static void set_op (bfd_vma, int); +static void OP_REG (int, int); +static void OP_IMREG (int, int); +static void OP_I (int, int); +static void OP_I64 (int, int); +static void OP_sI (int, int); +static void OP_J (int, int); +static void OP_SEG (int, int); +static void OP_DIR (int, int); +static void OP_OFF (int, int); +static void OP_OFF64 (int, int); +static void ptr_reg (int, int); +static void OP_ESreg (int, int); +static void OP_DSreg (int, int); +static void OP_C (int, int); +static void OP_D (int, int); +static void OP_T (int, int); +static void OP_Rd (int, int); +static void OP_MMX (int, int); +static void OP_XMM (int, int); +static void OP_EM (int, int); +static void OP_EX (int, int); +static void OP_MS (int, int); +static void OP_XS (int, int); +static void OP_M (int, int); +static void OP_VMX (int, int); +static void OP_0fae (int, int); +static void OP_0f07 (int, int); +static void NOP_Fixup (int, int); +static void OP_3DNowSuffix (int, int); +static void OP_SIMD_Suffix (int, int); +static void SIMD_Fixup (int, int); +static void PNI_Fixup (int, int); +static void SVME_Fixup (int, int); +static void INVLPG_Fixup (int, int); +static void BadOp (void); +static void SEG_Fixup (int, int); +static void VMX_Fixup (int, int); struct dis_private { /* Points to first byte not fetched. */ @@ -160,9 +167,7 @@ static int used_prefixes; ? 1 : fetch_data ((info), (addr))) static int -fetch_data (info, addr) - struct disassemble_info *info; - bfd_byte *addr; +fetch_data (struct disassemble_info *info, bfd_byte *addr) { int status; struct dis_private *priv = (struct dis_private *) info->private_data; @@ -192,16 +197,22 @@ fetch_data (info, addr) #define Eb OP_E, b_mode #define Ev OP_E, v_mode #define Ed OP_E, d_mode +#define Eq OP_E, q_mode #define Edq OP_E, dq_mode -#define indirEb OP_indirE, b_mode -#define indirEv OP_indirE, v_mode +#define Edqw OP_E, dqw_mode +#define indirEv OP_indirE, stack_v_mode +#define indirEp OP_indirE, f_mode +#define stackEv OP_E, stack_v_mode +#define Em OP_E, m_mode #define Ew OP_E, w_mode #define Ma OP_E, v_mode -#define M OP_E, 0 /* lea, lgdt, etc. */ -#define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */ +#define M OP_M, 0 /* lea, lgdt, etc. */ +#define Mp OP_M, f_mode /* 32 or 48 bit memory operand for LDS, LES etc */ #define Gb OP_G, b_mode #define Gv OP_G, v_mode #define Gd OP_G, d_mode +#define Gdq OP_G, dq_mode +#define Gm OP_G, m_mode #define Gw OP_G, w_mode #define Rd OP_Rd, d_mode #define Rm OP_Rd, m_mode @@ -211,11 +222,13 @@ fetch_data (info, addr) #define Iq OP_I, q_mode #define Iv64 OP_I64, v_mode #define Iw OP_I, w_mode +#define I1 OP_I, const_1_mode #define Jb OP_J, b_mode #define Jv OP_J, v_mode #define Cm OP_C, m_mode #define Dm OP_D, m_mode #define Td OP_T, d_mode +#define Sv SEG_Fixup, v_mode #define RMeAX OP_REG, eAX_reg #define RMeBX OP_REG, eBX_reg @@ -268,10 +281,8 @@ fetch_data (info, addr) #define Sw OP_SEG, w_mode #define Ap OP_DIR, 0 -#define Ob OP_OFF, b_mode -#define Ob64 OP_OFF64, b_mode -#define Ov OP_OFF, v_mode -#define Ov64 OP_OFF64, v_mode +#define Ob OP_OFF64, b_mode +#define Ov OP_OFF64, v_mode #define Xb OP_DSreg, eSI_reg #define Xv OP_DSreg, eSI_reg #define Yb OP_ESreg, eDI_reg @@ -291,7 +302,7 @@ fetch_data (info, addr) #define EX OP_EX, v_mode #define MS OP_MS, v_mode #define XS OP_XS, v_mode -#define None OP_E, 0 +#define VM OP_VMX, q_mode #define OPSUF OP_3DNowSuffix, 0 #define OPSIMD OP_SIMD_Suffix, 0 @@ -308,11 +319,16 @@ fetch_data (info, addr) #define w_mode 3 /* word operand */ #define d_mode 4 /* double word operand */ #define q_mode 5 /* quad word operand */ -#define x_mode 6 -#define m_mode 7 /* d_mode in 32bit, q_mode in 64bit mode. */ -#define cond_jump_mode 8 -#define loop_jcxz_mode 9 -#define dq_mode 10 /* operand size depends on REX prefixes. */ +#define t_mode 6 /* ten-byte operand */ +#define x_mode 7 /* 16-byte XMM operand */ +#define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */ +#define cond_jump_mode 9 +#define loop_jcxz_mode 10 +#define dq_mode 11 /* operand size depends on REX prefixes. */ +#define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */ +#define f_mode 13 /* 4- or 6-byte pointer operand */ +#define const_1_mode 14 +#define stack_v_mode 15 /* v_mode for stack-related opcodes. */ #define es_reg 100 #define cs_reg 101 @@ -389,6 +405,8 @@ fetch_data (info, addr) #define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0 #define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0 #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0 +#define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0 +#define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0 #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0 #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0 @@ -417,10 +435,16 @@ fetch_data (info, addr) #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0 #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0 #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0 +#define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0 +#define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0 +#define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0 +#define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0 +#define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0 +#define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0 #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0 -typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag)); +typedef void (*op_rtn) (int bytemode, int sizeflag); struct dis386 { const char *name; @@ -435,9 +459,14 @@ struct dis386 { /* Upper case letters in the instruction names here are macros. 'A' => print 'b' if no register operands or suffix_always is true 'B' => print 'b' if suffix_always is true + 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand + . size prefix 'E' => print 'e' if 32-bit form of jcxz 'F' => print 'w' or 'l' depending on address size prefix (loop insns) 'H' => print ",pt" or ",pn" branch hint + 'I' => honor following macro letter even in Intel mode (implemented only + . for some of the macro letters) + 'J' => print 'l' 'L' => print 'l' if suffix_always is true 'N' => print 'n' if instruction has no wait "prefix" 'O' => print 'd', or 'o' @@ -449,8 +478,9 @@ struct dis386 { 'S' => print 'w', 'l' or 'q' if suffix_always is true 'T' => print 'q' in 64bit mode and behave as 'P' otherwise 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise - 'X' => print 's', 'd' depending on data16 prefix (for XMM) + 'V' => print 'q' in 64bit mode and behave as 'S' otherwise 'W' => print 'b' or 'w' ("w" or "de" in intel mode) + 'X' => print 's', 'd' depending on data16 prefix (for XMM) 'Y' => 'q' if instruction has an REX 64bit overwrite prefix Many of the above letters print nothing in Intel mode. See "putop" @@ -489,7 +519,7 @@ static const struct dis386 dis386[] = { { "adcB", AL, Ib, XX }, { "adcS", eAX, Iv, XX }, { "push{T|}", ss, XX, XX }, - { "popT|}", ss, XX, XX }, + { "pop{T|}", ss, XX, XX }, /* 18 */ { "sbbB", Eb, Gb, XX }, { "sbbS", Ev, Gv, XX }, @@ -554,23 +584,23 @@ static const struct dis386 dis386[] = { { "dec{S|}", RMeSI, XX, XX }, { "dec{S|}", RMeDI, XX, XX }, /* 50 */ - { "pushS", RMrAX, XX, XX }, - { "pushS", RMrCX, XX, XX }, - { "pushS", RMrDX, XX, XX }, - { "pushS", RMrBX, XX, XX }, - { "pushS", RMrSP, XX, XX }, - { "pushS", RMrBP, XX, XX }, - { "pushS", RMrSI, XX, XX }, - { "pushS", RMrDI, XX, XX }, + { "pushV", RMrAX, XX, XX }, + { "pushV", RMrCX, XX, XX }, + { "pushV", RMrDX, XX, XX }, + { "pushV", RMrBX, XX, XX }, + { "pushV", RMrSP, XX, XX }, + { "pushV", RMrBP, XX, XX }, + { "pushV", RMrSI, XX, XX }, + { "pushV", RMrDI, XX, XX }, /* 58 */ - { "popS", RMrAX, XX, XX }, - { "popS", RMrCX, XX, XX }, - { "popS", RMrDX, XX, XX }, - { "popS", RMrBX, XX, XX }, - { "popS", RMrSP, XX, XX }, - { "popS", RMrBP, XX, XX }, - { "popS", RMrSI, XX, XX }, - { "popS", RMrDI, XX, XX }, + { "popV", RMrAX, XX, XX }, + { "popV", RMrCX, XX, XX }, + { "popV", RMrDX, XX, XX }, + { "popV", RMrBX, XX, XX }, + { "popV", RMrSP, XX, XX }, + { "popV", RMrBP, XX, XX }, + { "popV", RMrSI, XX, XX }, + { "popV", RMrDI, XX, XX }, /* 60 */ { "pusha{P|}", XX, XX, XX }, { "popa{P|}", XX, XX, XX }, @@ -621,13 +651,12 @@ static const struct dis386 dis386[] = { { "movS", Ev, Gv, XX }, { "movB", Gb, Eb, XX }, { "movS", Gv, Ev, XX }, - { "movQ", Ev, Sw, XX }, + { "movQ", Sv, Sw, XX }, { "leaS", Gv, M, XX }, - { "movQ", Sw, Ev, XX }, - { "popU", Ev, XX, XX }, + { "movQ", Sw, Sv, XX }, + { "popU", stackEv, XX, XX }, /* 90 */ - { "nop", XX, XX, XX }, - /* FIXME: NOP with REPz prefix is called PAUSE. */ + { "nop", NOP_Fixup, 0, XX, XX }, { "xchgS", RMeCX, eAX, XX }, { "xchgS", RMeDX, eAX, XX }, { "xchgS", RMeBX, eAX, XX }, @@ -638,17 +667,17 @@ static const struct dis386 dis386[] = { /* 98 */ { "cW{tR||tR|}", XX, XX, XX }, { "cR{tO||tO|}", XX, XX, XX }, - { "lcall{T|}", Ap, XX, XX }, + { "Jcall{T|}", Ap, XX, XX }, { "(bad)", XX, XX, XX }, /* fwait */ { "pushfT", XX, XX, XX }, { "popfT", XX, XX, XX }, { "sahf{|}", XX, XX, XX }, { "lahf{|}", XX, XX, XX }, /* a0 */ - { "movB", AL, Ob64, XX }, - { "movS", eAX, Ov64, XX }, - { "movB", Ob64, AL, XX }, - { "movS", Ov64, eAX, XX }, + { "movB", AL, Ob, XX }, + { "movS", eAX, Ov, XX }, + { "movB", Ob, AL, XX }, + { "movS", Ov, eAX, XX }, { "movs{b||b|}", Yb, Xb, XX }, { "movs{R||R|}", Yv, Xv, XX }, { "cmps{b||b|}", Xb, Yb, XX }, @@ -728,7 +757,7 @@ static const struct dis386 dis386[] = { /* e8 */ { "callT", Jv, XX, XX }, { "jmpT", Jv, XX, XX }, - { "ljmp{T|}", Ap, XX, XX }, + { "Jjmp{T|}", Ap, XX, XX }, { "jmp", Jb, XX, XX }, { "inB", AL, indirDX, XX }, { "inS", eAX, indirDX, XX }, @@ -776,11 +805,11 @@ static const struct dis386 dis386_twobyte[] = { /* 10 */ { PREGRP8 }, { PREGRP9 }, - { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ + { PREGRP30 }, { "movlpX", EX, XM, SIMD_Fixup, 'h' }, { "unpcklpX", XM, EX, XX }, { "unpckhpX", XM, EX, XX }, - { "movhpX", XM, EX, SIMD_Fixup, 'l' }, + { PREGRP31 }, { "movhpX", EX, XM, SIMD_Fixup, 'l' }, /* 18 */ { GRP14 }, @@ -846,7 +875,7 @@ static const struct dis386 dis386_twobyte[] = { { "cmovle", Gv, Ev, XX }, { "cmovg", Gv, Ev, XX }, /* 50 */ - { "movmskpX", Gd, XS, XX }, + { "movmskpX", Gdq, XS, XX }, { PREGRP13 }, { PREGRP12 }, { PREGRP11 }, @@ -891,12 +920,12 @@ static const struct dis386 dis386_twobyte[] = { { "pcmpeqd", MX, EM, XX }, { "emms", XX, XX, XX }, /* 78 */ + { "vmread", Em, Gm, XX }, + { "vmwrite", Gm, Em, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, + { PREGRP28 }, + { PREGRP29 }, { PREGRP23 }, { PREGRP20 }, /* 80 */ @@ -942,8 +971,8 @@ static const struct dis386 dis386_twobyte[] = { { "btS", Ev, Gv, XX }, { "shldS", Ev, Gv, Ib }, { "shldS", Ev, Gv, CL }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, + { GRPPADLCK2 }, + { GRPPADLCK1 }, /* a8 */ { "pushT", gs, XX, XX }, { "popT", gs, XX, XX }, @@ -976,8 +1005,8 @@ static const struct dis386 dis386_twobyte[] = { { "xaddS", Ev, Gv, XX }, { PREGRP1 }, { "movntiS", Ev, Gv, XX }, - { "pinsrw", MX, Ed, Ib }, - { "pextrw", Gd, MS, Ib }, + { "pinsrw", MX, Edqw, Ib }, + { "pextrw", Gdq, MS, Ib }, { "shufpX", XM, EX, Ib }, { GRP9 }, /* c8 */ @@ -990,14 +1019,14 @@ static const struct dis386 dis386_twobyte[] = { { "bswap", RMeSI, XX, XX }, { "bswap", RMeDI, XX, XX }, /* d0 */ - { "(bad)", XX, XX, XX }, + { PREGRP27 }, { "psrlw", MX, EM, XX }, { "psrld", MX, EM, XX }, { "psrlq", MX, EM, XX }, { "paddq", MX, EM, XX }, { "pmullw", MX, EM, XX }, { PREGRP21 }, - { "pmovmskb", Gd, MS, XX }, + { "pmovmskb", Gdq, MS, XX }, /* d8 */ { "psubusb", MX, EM, XX }, { "psubusw", MX, EM, XX }, @@ -1026,7 +1055,7 @@ static const struct dis386 dis386_twobyte[] = { { "pmaxsw", MX, EM, XX }, { "pxor", MX, EM, XX }, /* f0 */ - { "(bad)", XX, XX, XX }, + { PREGRP32 }, { "psllw", MX, EM, XX }, { "pslld", MX, EM, XX }, { "psllq", MX, EM, XX }, @@ -1078,15 +1107,15 @@ static const unsigned char twobyte_has_modrm[256] = { /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ - /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */ + /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */ /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ - /* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */ + /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ + /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ - /* f0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ + /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ /* ------------------------------- */ /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ }; @@ -1095,21 +1124,21 @@ static const unsigned char twobyte_uses_SSE_prefix[256] = { /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* ------------------------------- */ /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ + /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ - /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */ + /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */ /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ + /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ + /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ /* ------------------------------- */ /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ }; @@ -1249,25 +1278,25 @@ static const struct dis386 grps[][8] = { }, /* GRP2b_one */ { - { "rolA", Eb, XX, XX }, - { "rorA", Eb, XX, XX }, - { "rclA", Eb, XX, XX }, - { "rcrA", Eb, XX, XX }, - { "shlA", Eb, XX, XX }, - { "shrA", Eb, XX, XX }, + { "rolA", Eb, I1, XX }, + { "rorA", Eb, I1, XX }, + { "rclA", Eb, I1, XX }, + { "rcrA", Eb, I1, XX }, + { "shlA", Eb, I1, XX }, + { "shrA", Eb, I1, XX }, { "(bad)", XX, XX, XX }, - { "sarA", Eb, XX, XX }, + { "sarA", Eb, I1, XX }, }, /* GRP2S_one */ { - { "rolQ", Ev, XX, XX }, - { "rorQ", Ev, XX, XX }, - { "rclQ", Ev, XX, XX }, - { "rcrQ", Ev, XX, XX }, - { "shlQ", Ev, XX, XX }, - { "shrQ", Ev, XX, XX }, + { "rolQ", Ev, I1, XX }, + { "rorQ", Ev, I1, XX }, + { "rclQ", Ev, I1, XX }, + { "rcrQ", Ev, I1, XX }, + { "shlQ", Ev, I1, XX }, + { "shrQ", Ev, I1, XX }, { "(bad)", XX, XX, XX}, - { "sarQ", Ev, XX, XX }, + { "sarQ", Ev, I1, XX }, }, /* GRP2b_cl */ { @@ -1329,10 +1358,10 @@ static const struct dis386 grps[][8] = { { "incQ", Ev, XX, XX }, { "decQ", Ev, XX, XX }, { "callT", indirEv, XX, XX }, - { "lcallT", indirEv, XX, XX }, + { "JcallT", indirEp, XX, XX }, { "jmpT", indirEv, XX, XX }, - { "ljmpT", indirEv, XX, XX }, - { "pushU", Ev, XX, XX }, + { "JjmpT", indirEp, XX, XX }, + { "pushU", stackEv, XX, XX }, { "(bad)", XX, XX, XX }, }, /* GRP6 */ @@ -1348,14 +1377,14 @@ static const struct dis386 grps[][8] = { }, /* GRP7 */ { - { "sgdtQ", M, XX, XX }, - { "sidtQ", M, XX, XX }, - { "lgdtQ", M, XX, XX }, - { "lidtQ", M, XX, XX }, + { "sgdtIQ", VMX_Fixup, 0, XX, XX }, + { "sidtIQ", PNI_Fixup, 0, XX, XX }, + { "lgdt{Q|Q||}", M, XX, XX }, + { "lidt{Q|Q||}", SVME_Fixup, 0, XX, XX }, { "smswQ", Ev, XX, XX }, { "(bad)", XX, XX, XX }, { "lmsw", Ew, XX, XX }, - { "invlpg", Ew, XX, XX }, + { "invlpg", INVLPG_Fixup, w_mode, XX, XX }, }, /* GRP8 */ { @@ -1371,13 +1400,13 @@ static const struct dis386 grps[][8] = { /* GRP9 */ { { "(bad)", XX, XX, XX }, - { "cmpxchg8b", Ev, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, + { "cmpxchg8b", Eq, XX, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, + { "", VM, XX, XX }, /* See OP_VMX. */ + { "vmptrst", Eq, XX, XX }, }, /* GRP10 */ { @@ -1419,10 +1448,9 @@ static const struct dis386 grps[][8] = { { "ldmxcsr", Ev, XX, XX }, { "stmxcsr", Ev, XX, XX }, { "(bad)", XX, XX, XX }, - { "lfence", None, XX, XX }, - { "mfence", None, XX, XX }, - { "sfence", None, XX, XX }, - /* FIXME: the sfence with memory operand is clflush! */ + { "lfence", OP_0fae, 0, XX, XX }, + { "mfence", OP_0fae, 0, XX, XX }, + { "clflush", OP_0fae, 0, XX, XX }, }, /* GRP14 */ { @@ -1445,6 +1473,28 @@ static const struct dis386 grps[][8] = { { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, { "(bad)", XX, XX, XX }, + }, + /* GRPPADLCK1 */ + { + { "xstore-rng", OP_0f07, 0, XX, XX }, + { "xcrypt-ecb", OP_0f07, 0, XX, XX }, + { "xcrypt-cbc", OP_0f07, 0, XX, XX }, + { "xcrypt-ctr", OP_0f07, 0, XX, XX }, + { "xcrypt-cfb", OP_0f07, 0, XX, XX }, + { "xcrypt-ofb", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + }, + /* GRPPADLCK2 */ + { + { "montmul", OP_0f07, 0, XX, XX }, + { "xsha1", OP_0f07, 0, XX, XX }, + { "xsha256", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, + { "(bad)", OP_0f07, 0, XX, XX }, } }; @@ -1626,10 +1676,10 @@ static const struct dis386 prefix_user_table[][4] = { }, /* PREGRP25 */ { - { "movntq", Ev, MX, XX }, - { "(bad)", Ev, XM, XX }, - { "movntdq", Ev, XM, XX }, - { "(bad)", Ev, XM, XX }, + { "movntq", EM, MX, XX }, + { "(bad)", EM, XM, XX }, + { "movntdq", EM, XM, XX }, + { "(bad)", EM, XM, XX }, }, /* PREGRP26 */ { @@ -1638,6 +1688,48 @@ static const struct dis386 prefix_user_table[][4] = { { "punpcklqdq", XM, EX, XX }, { "(bad)", XM, EX, XX }, }, + /* PREGRP27 */ + { + { "(bad)", MX, EX, XX }, + { "(bad)", XM, EX, XX }, + { "addsubpd", XM, EX, XX }, + { "addsubps", XM, EX, XX }, + }, + /* PREGRP28 */ + { + { "(bad)", MX, EX, XX }, + { "(bad)", XM, EX, XX }, + { "haddpd", XM, EX, XX }, + { "haddps", XM, EX, XX }, + }, + /* PREGRP29 */ + { + { "(bad)", MX, EX, XX }, + { "(bad)", XM, EX, XX }, + { "hsubpd", XM, EX, XX }, + { "hsubps", XM, EX, XX }, + }, + /* PREGRP30 */ + { + { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ + { "movsldup", XM, EX, XX }, + { "movlpd", XM, EX, XX }, + { "movddup", XM, EX, XX }, + }, + /* PREGRP31 */ + { + { "movhpX", XM, EX, SIMD_Fixup, 'l' }, + { "movshdup", XM, EX, XX }, + { "movhpd", XM, EX, XX }, + { "(bad)", XM, EX, XX }, + }, + /* PREGRP32 */ + { + { "(bad)", XM, EX, XX }, + { "(bad)", XM, EX, XX }, + { "(bad)", XM, EX, XX }, + { "lddqu", XM, M, XX }, + }, }; static const struct dis386 x86_64_table[][2] = { @@ -1650,7 +1742,7 @@ static const struct dis386 x86_64_table[][2] = { #define INTERNAL_DISASSEMBLER_ERROR _("") static void -ckprefix () +ckprefix (void) { int newrex; rex = 0; @@ -1748,9 +1840,7 @@ ckprefix () prefix byte. */ static const char * -prefix_name (pref, sizeflag) - int pref; - int sizeflag; +prefix_name (int pref, int sizeflag) { switch (pref) { @@ -1811,7 +1901,7 @@ prefix_name (pref, sizeflag) if (mode_64bit) return (sizeflag & AFLAG) ? "addr32" : "addr64"; else - return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32"; + return (sizeflag & AFLAG) ? "addr16" : "addr32"; case FWAIT_OPCODE: return "fwait"; default: @@ -1821,6 +1911,7 @@ prefix_name (pref, sizeflag) static char op1out[100], op2out[100], op3out[100]; static int op_ad, op_index[3]; +static int two_source_ops; static bfd_vma op_address[3]; static bfd_vma op_riprel[3]; static bfd_vma start_pc; @@ -1844,9 +1935,7 @@ static char scale_char; print_insn_i386_att and print_insn_i386_intel these functions can disappear, and print_insn_i386 be merged into print_insn. */ int -print_insn_i386_att (pc, info) - bfd_vma pc; - disassemble_info *info; +print_insn_i386_att (bfd_vma pc, disassemble_info *info) { intel_syntax = 0; @@ -1854,9 +1943,7 @@ print_insn_i386_att (pc, info) } int -print_insn_i386_intel (pc, info) - bfd_vma pc; - disassemble_info *info; +print_insn_i386_intel (bfd_vma pc, disassemble_info *info) { intel_syntax = 1; @@ -1864,9 +1951,7 @@ print_insn_i386_intel (pc, info) } int -print_insn_i386 (pc, info) - bfd_vma pc; - disassemble_info *info; +print_insn_i386 (bfd_vma pc, disassemble_info *info) { intel_syntax = -1; @@ -1874,16 +1959,13 @@ print_insn_i386 (pc, info) } static int -print_insn (pc, info) - bfd_vma pc; - disassemble_info *info; +print_insn (bfd_vma pc, disassemble_info *info) { const struct dis386 *dp; int i; - int two_source_ops; char *first, *second, *third; int needcomma; - unsigned char uses_SSE_prefix; + unsigned char uses_SSE_prefix, uses_LOCK_prefix; int sizeflag; const char *p; struct dis_private priv; @@ -1985,7 +2067,7 @@ print_insn (pc, info) puts most long word instructions on a single line. */ info->bytes_per_line = 7; - info->private_data = (PTR) &priv; + info->private_data = &priv; priv.max_fetched = priv.the_buffer; priv.insn_start = pc; @@ -2055,12 +2137,14 @@ print_insn (pc, info) dp = &dis386_twobyte[*++codep]; need_modrm = twobyte_has_modrm[*codep]; uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep]; + uses_LOCK_prefix = (*codep & ~0x02) == 0x20; } else { dp = &dis386[*codep]; need_modrm = onebyte_has_modrm[*codep]; uses_SSE_prefix = 0; + uses_LOCK_prefix = 0; } codep++; @@ -2074,7 +2158,7 @@ print_insn (pc, info) oappend ("repnz "); used_prefixes |= PREFIX_REPNZ; } - if (prefixes & PREFIX_LOCK) + if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK)) { oappend ("lock "); used_prefixes |= PREFIX_LOCK; @@ -2279,9 +2363,9 @@ static const char *float_mem[] = { "(bad)", "fst{s||s|}", "fstp{s||s|}", - "fldenv", + "fldenvIC", "fldcw", - "fNstenv", + "fNstenvIC", "fNstcw", /* da */ "fiadd{l||l|}", @@ -2294,7 +2378,7 @@ static const char *float_mem[] = { "fidivr{l||l|}", /* db */ "fild{l||l|}", - "(bad)", + "fisttp{l||l|}", "fist{l||l|}", "fistp{l||l|}", "(bad)", @@ -2312,12 +2396,12 @@ static const char *float_mem[] = { "fdivr{l||l|}", /* dd */ "fld{l||l|}", - "(bad)", + "fisttp{ll||ll|}", "fst{l||l|}", "fstp{l||l|}", - "frstor", + "frstorIC", "(bad)", - "fNsave", + "fNsaveIC", "fNstsw", /* de */ "fiadd", @@ -2330,13 +2414,88 @@ static const char *float_mem[] = { "fidivr", /* df */ "fild", - "(bad)", + "fisttp", "fist", "fistp", "fbld", "fild{ll||ll|}", "fbstp", - "fistpll", + "fistp{ll||ll|}", +}; + +static const unsigned char float_mem_mode[] = { + /* d8 */ + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + /* d9 */ + d_mode, + 0, + d_mode, + d_mode, + 0, + w_mode, + 0, + w_mode, + /* da */ + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + d_mode, + /* db */ + d_mode, + d_mode, + d_mode, + d_mode, + 0, + t_mode, + 0, + t_mode, + /* dc */ + q_mode, + q_mode, + q_mode, + q_mode, + q_mode, + q_mode, + q_mode, + q_mode, + /* dd */ + q_mode, + q_mode, + q_mode, + q_mode, + 0, + 0, + 0, + w_mode, + /* de */ + w_mode, + w_mode, + w_mode, + w_mode, + w_mode, + w_mode, + w_mode, + w_mode, + /* df */ + w_mode, + w_mode, + w_mode, + w_mode, + t_mode, + q_mode, + t_mode, + q_mode }; #define ST OP_ST, 0 @@ -2506,8 +2665,7 @@ static char *fgrps[][8] = { }; static void -dofloat (sizeflag) - int sizeflag; +dofloat (int sizeflag) { const struct dis386 *dp; unsigned char floatop; @@ -2516,14 +2674,11 @@ dofloat (sizeflag) if (mod != 3) { - putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag); + int fp_indx = (floatop - 0xd8) * 8 + reg; + + putop (float_mem[fp_indx], sizeflag); obufp = op1out; - if (floatop == 0xdb) - OP_E (x_mode, sizeflag); - else if (floatop == 0xdd) - OP_E (d_mode, sizeflag); - else - OP_E (v_mode, sizeflag); + OP_E (float_mem_mode[fp_indx], sizeflag); return; } /* Skip mod/rm byte. */ @@ -2553,17 +2708,13 @@ dofloat (sizeflag) } static void -OP_ST (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { oappend ("%st"); } static void -OP_STi (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { sprintf (scratchbuf, "%%st(%d)", rm); oappend (scratchbuf + intel_syntax); @@ -2571,12 +2722,10 @@ OP_STi (bytemode, sizeflag) /* Capital letters in template are macros. */ static int -putop (template, sizeflag) - const char *template; - int sizeflag; +putop (const char *template, int sizeflag) { const char *p; - int alt; + int alt = 0; for (p = template; *p; p++) { @@ -2607,7 +2756,10 @@ putop (template, sizeflag) } alt--; } - break; + /* Fall through. */ + case 'I': + alt = 1; + continue; case '|': while (*++p != '}') { @@ -2629,6 +2781,18 @@ putop (template, sizeflag) if (sizeflag & SUFFIX_ALWAYS) *obufp++ = 'b'; break; + case 'C': + if (intel_syntax && !alt) + break; + if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS)) + { + if (sizeflag & DFLAG) + *obufp++ = intel_syntax ? 'd' : 'l'; + else + *obufp++ = intel_syntax ? 'w' : 's'; + used_prefixes |= (prefixes & PREFIX_DATA); + } + break; case 'E': /* For jcxz/jecxz */ if (mode_64bit) { @@ -2669,6 +2833,11 @@ putop (template, sizeflag) *obufp++ = 'n'; } break; + case 'J': + if (intel_syntax) + break; + *obufp++ = 'l'; + break; case 'L': if (intel_syntax) break; @@ -2691,7 +2860,7 @@ putop (template, sizeflag) case 'T': if (intel_syntax) break; - if (mode_64bit) + if (mode_64bit && (sizeflag & DFLAG)) { *obufp++ = 'q'; break; @@ -2713,21 +2882,22 @@ putop (template, sizeflag) *obufp++ = 'l'; else *obufp++ = 'w'; - used_prefixes |= (prefixes & PREFIX_DATA); } + used_prefixes |= (prefixes & PREFIX_DATA); } break; case 'U': if (intel_syntax) break; - if (mode_64bit) + if (mode_64bit && (sizeflag & DFLAG)) { - *obufp++ = 'q'; + if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) + *obufp++ = 'q'; break; } /* Fall through. */ case 'Q': - if (intel_syntax) + if (intel_syntax && !alt) break; USED_REX (REX_MODE64); if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) @@ -2737,11 +2907,11 @@ putop (template, sizeflag) else { if (sizeflag & DFLAG) - *obufp++ = 'l'; + *obufp++ = intel_syntax ? 'd' : 'l'; else *obufp++ = 'w'; - used_prefixes |= (prefixes & PREFIX_DATA); } + used_prefixes |= (prefixes & PREFIX_DATA); } break; case 'R': @@ -2776,6 +2946,16 @@ putop (template, sizeflag) if (!(rex & REX_MODE64)) used_prefixes |= (prefixes & PREFIX_DATA); break; + case 'V': + if (intel_syntax) + break; + if (mode_64bit && (sizeflag & DFLAG)) + { + if (sizeflag & SUFFIX_ALWAYS) + *obufp++ = 'q'; + break; + } + /* Fall through. */ case 'S': if (intel_syntax) break; @@ -2840,21 +3020,21 @@ putop (template, sizeflag) used_prefixes |= (prefixes & PREFIX_DATA); break; } + alt = 0; } *obufp = 0; return 0; } static void -oappend (s) - const char *s; +oappend (const char *s) { strcpy (obufp, s); obufp += strlen (s); } static void -append_seg () +append_seg (void) { if (prefixes & PREFIX_CS) { @@ -2889,9 +3069,7 @@ append_seg () } static void -OP_indirE (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_indirE (int bytemode, int sizeflag) { if (!intel_syntax) oappend ("*"); @@ -2899,10 +3077,7 @@ OP_indirE (bytemode, sizeflag) } static void -print_operand_value (buf, hex, disp) - char *buf; - int hex; - bfd_vma disp; +print_operand_value (char *buf, int hex, bfd_vma disp) { if (mode_64bit) { @@ -2959,9 +3134,68 @@ print_operand_value (buf, hex, disp) } static void -OP_E (bytemode, sizeflag) - int bytemode; - int sizeflag; +intel_operand_size (int bytemode, int sizeflag) +{ + switch (bytemode) + { + case b_mode: + oappend ("BYTE PTR "); + break; + case w_mode: + case dqw_mode: + oappend ("WORD PTR "); + break; + case stack_v_mode: + if (mode_64bit && (sizeflag & DFLAG)) + { + oappend ("QWORD PTR "); + used_prefixes |= (prefixes & PREFIX_DATA); + break; + } + /* FALLTHRU */ + case v_mode: + case dq_mode: + USED_REX (REX_MODE64); + if (rex & REX_MODE64) + oappend ("QWORD PTR "); + else if ((sizeflag & DFLAG) || bytemode == dq_mode) + oappend ("DWORD PTR "); + else + oappend ("WORD PTR "); + used_prefixes |= (prefixes & PREFIX_DATA); + break; + case d_mode: + oappend ("DWORD PTR "); + break; + case q_mode: + oappend ("QWORD PTR "); + break; + case m_mode: + if (mode_64bit) + oappend ("QWORD PTR "); + else + oappend ("DWORD PTR "); + break; + case f_mode: + if (sizeflag & DFLAG) + oappend ("FWORD PTR "); + else + oappend ("DWORD PTR "); + used_prefixes |= (prefixes & PREFIX_DATA); + break; + case t_mode: + oappend ("TBYTE PTR "); + break; + case x_mode: + oappend ("XMMWORD PTR "); + break; + default: + break; + } +} + +static void +OP_E (int bytemode, int sizeflag) { bfd_vma disp; int add = 0; @@ -3000,22 +3234,28 @@ OP_E (bytemode, sizeflag) else oappend (names32[rm + add]); break; + case stack_v_mode: + if (mode_64bit && (sizeflag & DFLAG)) + { + oappend (names64[rm + add]); + used_prefixes |= (prefixes & PREFIX_DATA); + break; + } + bytemode = v_mode; + /* FALLTHRU */ case v_mode: case dq_mode: + case dqw_mode: USED_REX (REX_MODE64); if (rex & REX_MODE64) oappend (names64[rm + add]); - else if ((sizeflag & DFLAG) || bytemode == dq_mode) + else if ((sizeflag & DFLAG) || bytemode != v_mode) oappend (names32[rm + add]); else oappend (names16[rm + add]); used_prefixes |= (prefixes & PREFIX_DATA); break; case 0: - if (!(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */) - && !(codep[-2] == 0xAE && codep[-1] == 0xF0 /* mfence */) - && !(codep[-2] == 0xAE && codep[-1] == 0xe8 /* lfence */)) - BadOp (); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */ break; default: oappend (INTERNAL_DISASSEMBLER_ERROR); @@ -3025,6 +3265,8 @@ OP_E (bytemode, sizeflag) } disp = 0; + if (intel_syntax) + intel_operand_size (bytemode, sizeflag); append_seg (); if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */ @@ -3043,17 +3285,17 @@ OP_E (bytemode, sizeflag) { havesib = 1; FETCH_DATA (the_info, codep + 1); - scale = (*codep >> 6) & 3; index = (*codep >> 3) & 7; + if (mode_64bit || index != 0x4) + /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */ + scale = (*codep >> 6) & 3; base = *codep & 7; USED_REX (REX_EXTY); - USED_REX (REX_EXTZ); if (rex & REX_EXTY) index += 8; - if (rex & REX_EXTZ) - base += 8; codep++; } + base += add; switch (mod) { @@ -3061,7 +3303,7 @@ OP_E (bytemode, sizeflag) if ((base & 7) == 5) { havebase = 0; - if (mode_64bit && !havesib && (sizeflag & AFLAG)) + if (mode_64bit && !havesib) riprel = 1; disp = get32s (); } @@ -3091,42 +3333,10 @@ OP_E (bytemode, sizeflag) if (havebase || (havesib && (index != 4 || scale != 0))) { - if (intel_syntax) - { - switch (bytemode) - { - case b_mode: - oappend ("BYTE PTR "); - break; - case w_mode: - oappend ("WORD PTR "); - break; - case v_mode: - oappend ("DWORD PTR "); - break; - case d_mode: - oappend ("QWORD PTR "); - break; - case m_mode: - if (mode_64bit) - oappend ("DWORD PTR "); - else - oappend ("QWORD PTR "); - break; - case x_mode: - oappend ("XWORD PTR "); - break; - default: - break; - } - } *obufp++ = open_char; if (intel_syntax && riprel) oappend ("rip + "); *obufp = '\0'; - USED_REX (REX_EXTZ); - if (!havesib && (rex & REX_EXTZ)) - base += 8; if (havebase) oappend (mode_64bit && (sizeflag & AFLAG) ? names64[base] : names32[base]); @@ -3134,28 +3344,15 @@ OP_E (bytemode, sizeflag) { if (index != 4) { - if (intel_syntax) + if (!intel_syntax || havebase) { - if (havebase) - { - *obufp++ = separator_char; - *obufp = '\0'; - } - sprintf (scratchbuf, "%s", - mode_64bit && (sizeflag & AFLAG) - ? names64[index] : names32[index]); + *obufp++ = separator_char; + *obufp = '\0'; } - else - sprintf (scratchbuf, ",%s", - mode_64bit && (sizeflag & AFLAG) - ? names64[index] : names32[index]); - oappend (scratchbuf); + oappend (mode_64bit && (sizeflag & AFLAG) + ? names64[index] : names32[index]); } - if (!intel_syntax - || (intel_syntax - && bytemode != b_mode - && bytemode != w_mode - && bytemode != v_mode)) + if (scale != 0 || (!intel_syntax && index != 4)) { *obufp++ = scale_char; *obufp = '\0'; @@ -3163,22 +3360,23 @@ OP_E (bytemode, sizeflag) oappend (scratchbuf); } } - if (intel_syntax) - if (mod != 0 || (base & 7) == 5) - { - /* Don't print zero displacements. */ - if (disp != 0) - { - if ((bfd_signed_vma) disp > 0) - { - *obufp++ = '+'; - *obufp = '\0'; - } - - print_operand_value (scratchbuf, 0, disp); - oappend (scratchbuf); - } - } + if (intel_syntax && disp) + { + if ((bfd_signed_vma) disp > 0) + { + *obufp++ = '+'; + *obufp = '\0'; + } + else if (mod != 1) + { + *obufp++ = '-'; + *obufp = '\0'; + disp = - (bfd_signed_vma) disp; + } + + print_operand_value (scratchbuf, mod != 1, disp); + oappend (scratchbuf); + } *obufp++ = close_char; *obufp = '\0'; @@ -3205,7 +3403,7 @@ OP_E (bytemode, sizeflag) switch (mod) { case 0: - if ((rm & 7) == 6) + if (rm == 6) { disp = get16 (); if ((disp & 0x8000) != 0) @@ -3226,27 +3424,56 @@ OP_E (bytemode, sizeflag) } if (!intel_syntax) - if (mod != 0 || (rm & 7) == 6) + if (mod != 0 || rm == 6) { print_operand_value (scratchbuf, 0, disp); oappend (scratchbuf); } - if (mod != 0 || (rm & 7) != 6) + if (mod != 0 || rm != 6) { *obufp++ = open_char; *obufp = '\0'; - oappend (index16[rm + add]); + oappend (index16[rm]); + if (intel_syntax && disp) + { + if ((bfd_signed_vma) disp > 0) + { + *obufp++ = '+'; + *obufp = '\0'; + } + else if (mod != 1) + { + *obufp++ = '-'; + *obufp = '\0'; + disp = - (bfd_signed_vma) disp; + } + + print_operand_value (scratchbuf, mod != 1, disp); + oappend (scratchbuf); + } + *obufp++ = close_char; *obufp = '\0'; } + else if (intel_syntax) + { + if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS + | PREFIX_ES | PREFIX_FS | PREFIX_GS)) + ; + else + { + oappend (names_seg[ds_reg - es_reg]); + oappend (":"); + } + print_operand_value (scratchbuf, 1, disp & 0xffff); + oappend (scratchbuf); + } } } static void -OP_G (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_G (int bytemode, int sizeflag) { int add = 0; USED_REX (REX_EXTX); @@ -3271,15 +3498,23 @@ OP_G (bytemode, sizeflag) oappend (names64[reg + add]); break; case v_mode: + case dq_mode: + case dqw_mode: USED_REX (REX_MODE64); if (rex & REX_MODE64) oappend (names64[reg + add]); - else if (sizeflag & DFLAG) + else if ((sizeflag & DFLAG) || bytemode != v_mode) oappend (names32[reg + add]); else oappend (names16[reg + add]); used_prefixes |= (prefixes & PREFIX_DATA); break; + case m_mode: + if (mode_64bit) + oappend (names64[reg + add]); + else + oappend (names32[reg + add]); + break; default: oappend (INTERNAL_DISASSEMBLER_ERROR); break; @@ -3287,7 +3522,7 @@ OP_G (bytemode, sizeflag) } static bfd_vma -get64 () +get64 (void) { bfd_vma x; #ifdef BFD64 @@ -3312,7 +3547,7 @@ get64 () } static bfd_signed_vma -get32 () +get32 (void) { bfd_signed_vma x = 0; @@ -3325,7 +3560,7 @@ get32 () } static bfd_signed_vma -get32s () +get32s (void) { bfd_signed_vma x = 0; @@ -3341,7 +3576,7 @@ get32s () } static int -get16 () +get16 (void) { int x = 0; @@ -3352,9 +3587,7 @@ get16 () } static void -set_op (op, riprel) - bfd_vma op; - int riprel; +set_op (bfd_vma op, int riprel) { op_index[op_ad] = op_ad; if (mode_64bit) @@ -3371,9 +3604,7 @@ set_op (op, riprel) } static void -OP_REG (code, sizeflag) - int code; - int sizeflag; +OP_REG (int code, int sizeflag) { const char *s; int add = 0; @@ -3407,7 +3638,7 @@ OP_REG (code, sizeflag) break; case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: - if (mode_64bit) + if (mode_64bit && (sizeflag & DFLAG)) { s = names64[code - rAX_reg + add]; break; @@ -3433,9 +3664,7 @@ OP_REG (code, sizeflag) } static void -OP_IMREG (code, sizeflag) - int code; - int sizeflag; +OP_IMREG (int code, int sizeflag) { const char *s; @@ -3482,9 +3711,7 @@ OP_IMREG (code, sizeflag) } static void -OP_I (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_I (int bytemode, int sizeflag) { bfd_signed_vma op; bfd_signed_vma mask = -1; @@ -3523,6 +3750,10 @@ OP_I (bytemode, sizeflag) mask = 0xfffff; op = get16 (); break; + case const_1_mode: + if (intel_syntax) + oappend ("1"); + return; default: oappend (INTERNAL_DISASSEMBLER_ERROR); return; @@ -3536,9 +3767,7 @@ OP_I (bytemode, sizeflag) } static void -OP_I64 (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_I64 (int bytemode, int sizeflag) { bfd_signed_vma op; bfd_signed_vma mask = -1; @@ -3589,9 +3818,7 @@ OP_I64 (bytemode, sizeflag) } static void -OP_sI (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_sI (int bytemode, int sizeflag) { bfd_signed_vma op; bfd_signed_vma mask = -1; @@ -3640,9 +3867,7 @@ OP_sI (bytemode, sizeflag) } static void -OP_J (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_J (int bytemode, int sizeflag) { bfd_vma disp; bfd_vma mask = -1; @@ -3656,7 +3881,7 @@ OP_J (bytemode, sizeflag) disp -= 0x100; break; case v_mode: - if (sizeflag & DFLAG) + if ((sizeflag & DFLAG) || (rex & REX_MODE64)) disp = get32s (); else { @@ -3678,17 +3903,13 @@ OP_J (bytemode, sizeflag) } static void -OP_SEG (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_SEG (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { oappend (names_seg[reg]); } static void -OP_DIR (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag; +OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag) { int seg, offset; @@ -3704,19 +3925,19 @@ OP_DIR (dummy, sizeflag) } used_prefixes |= (prefixes & PREFIX_DATA); if (intel_syntax) - sprintf (scratchbuf, "0x%x,0x%x", seg, offset); + sprintf (scratchbuf, "0x%x:0x%x", seg, offset); else sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); oappend (scratchbuf); } static void -OP_OFF (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag; +OP_OFF (int bytemode, int sizeflag) { bfd_vma off; + if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) + intel_operand_size (bytemode, sizeflag); append_seg (); if ((sizeflag & AFLAG) || mode_64bit) @@ -3738,9 +3959,7 @@ OP_OFF (bytemode, sizeflag) } static void -OP_OFF64 (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_OFF64 (int bytemode, int sizeflag) { bfd_vma off; @@ -3750,6 +3969,8 @@ OP_OFF64 (bytemode, sizeflag) return; } + if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) + intel_operand_size (bytemode, sizeflag); append_seg (); off = get64 (); @@ -3768,18 +3989,13 @@ OP_OFF64 (bytemode, sizeflag) } static void -ptr_reg (code, sizeflag) - int code; - int sizeflag; +ptr_reg (int code, int sizeflag) { const char *s; - if (intel_syntax) - oappend ("["); - else - oappend ("("); - USED_REX (REX_MODE64); - if (rex & REX_MODE64) + *obufp++ = open_char; + used_prefixes |= (prefixes & PREFIX_ADDR); + if (mode_64bit) { if (!(sizeflag & AFLAG)) s = names32[code - eAX_reg]; @@ -3791,26 +4007,27 @@ ptr_reg (code, sizeflag) else s = names16[code - eAX_reg]; oappend (s); - if (intel_syntax) - oappend ("]"); - else - oappend (")"); + *obufp++ = close_char; + *obufp = 0; } static void -OP_ESreg (code, sizeflag) - int code; - int sizeflag; +OP_ESreg (int code, int sizeflag) { + if (intel_syntax) + intel_operand_size (codep[-1] & 1 ? v_mode : b_mode, sizeflag); oappend ("%es:" + intel_syntax); ptr_reg (code, sizeflag); } static void -OP_DSreg (code, sizeflag) - int code; - int sizeflag; +OP_DSreg (int code, int sizeflag) { + if (intel_syntax) + intel_operand_size (codep[-1] != 0xd7 && (codep[-1] & 1) + ? v_mode + : b_mode, + sizeflag); if ((prefixes & (PREFIX_CS | PREFIX_DS @@ -3824,22 +4041,25 @@ OP_DSreg (code, sizeflag) } static void -OP_C (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { int add = 0; - USED_REX (REX_EXTX); if (rex & REX_EXTX) - add = 8; + { + USED_REX (REX_EXTX); + add = 8; + } + else if (!mode_64bit && (prefixes & PREFIX_LOCK)) + { + used_prefixes |= PREFIX_LOCK; + add = 8; + } sprintf (scratchbuf, "%%cr%d", reg + add); oappend (scratchbuf + intel_syntax); } static void -OP_D (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { int add = 0; USED_REX (REX_EXTX); @@ -3853,18 +4073,14 @@ OP_D (dummy, sizeflag) } static void -OP_T (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { sprintf (scratchbuf, "%%tr%d", reg); oappend (scratchbuf + intel_syntax); } static void -OP_Rd (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_Rd (int bytemode, int sizeflag) { if (mod == 3) OP_E (bytemode, sizeflag); @@ -3873,26 +4089,24 @@ OP_Rd (bytemode, sizeflag) } static void -OP_MMX (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { - int add = 0; - USED_REX (REX_EXTX); - if (rex & REX_EXTX) - add = 8; used_prefixes |= (prefixes & PREFIX_DATA); if (prefixes & PREFIX_DATA) - sprintf (scratchbuf, "%%xmm%d", reg + add); + { + int add = 0; + USED_REX (REX_EXTX); + if (rex & REX_EXTX) + add = 8; + sprintf (scratchbuf, "%%xmm%d", reg + add); + } else - sprintf (scratchbuf, "%%mm%d", reg + add); + sprintf (scratchbuf, "%%mm%d", reg); oappend (scratchbuf + intel_syntax); } static void -OP_XMM (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { int add = 0; USED_REX (REX_EXTX); @@ -3903,39 +4117,54 @@ OP_XMM (bytemode, sizeflag) } static void -OP_EM (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_EM (int bytemode, int sizeflag) { - int add = 0; if (mod != 3) { + if (intel_syntax && bytemode == v_mode) + { + bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; + used_prefixes |= (prefixes & PREFIX_DATA); + } OP_E (bytemode, sizeflag); return; } - USED_REX (REX_EXTZ); - if (rex & REX_EXTZ) - add = 8; /* Skip mod/rm byte. */ MODRM_CHECK; codep++; used_prefixes |= (prefixes & PREFIX_DATA); if (prefixes & PREFIX_DATA) - sprintf (scratchbuf, "%%xmm%d", rm + add); + { + int add = 0; + + USED_REX (REX_EXTZ); + if (rex & REX_EXTZ) + add = 8; + sprintf (scratchbuf, "%%xmm%d", rm + add); + } else - sprintf (scratchbuf, "%%mm%d", rm + add); + sprintf (scratchbuf, "%%mm%d", rm); oappend (scratchbuf + intel_syntax); } static void -OP_EX (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_EX (int bytemode, int sizeflag) { int add = 0; if (mod != 3) { + if (intel_syntax && bytemode == v_mode) + { + switch (prefixes & (PREFIX_DATA|PREFIX_REPZ|PREFIX_REPNZ)) + { + case 0: bytemode = x_mode; break; + case PREFIX_REPZ: bytemode = d_mode; used_prefixes |= PREFIX_REPZ; break; + case PREFIX_DATA: bytemode = x_mode; used_prefixes |= PREFIX_DATA; break; + case PREFIX_REPNZ: bytemode = q_mode; used_prefixes |= PREFIX_REPNZ; break; + default: bytemode = 0; break; + } + } OP_E (bytemode, sizeflag); return; } @@ -3951,9 +4180,7 @@ OP_EX (bytemode, sizeflag) } static void -OP_MS (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_MS (int bytemode, int sizeflag) { if (mod == 3) OP_EM (bytemode, sizeflag); @@ -3962,9 +4189,7 @@ OP_MS (bytemode, sizeflag) } static void -OP_XS (bytemode, sizeflag) - int bytemode; - int sizeflag; +OP_XS (int bytemode, int sizeflag) { if (mod == 3) OP_EX (bytemode, sizeflag); @@ -3972,6 +4197,55 @@ OP_XS (bytemode, sizeflag) BadOp (); } +static void +OP_M (int bytemode, int sizeflag) +{ + if (mod == 3) + BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */ + else + OP_E (bytemode, sizeflag); +} + +static void +OP_0f07 (int bytemode, int sizeflag) +{ + if (mod != 3 || rm != 0) + BadOp (); + else + OP_E (bytemode, sizeflag); +} + +static void +OP_0fae (int bytemode, int sizeflag) +{ + if (mod == 3) + { + if (reg == 7) + strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence"); + + if (reg < 5 || rm != 0) + { + BadOp (); /* bad sfence, mfence, or lfence */ + return; + } + } + else if (reg != 7) + { + BadOp (); /* bad clflush */ + return; + } + + OP_E (bytemode, sizeflag); +} + +static void +NOP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) +{ + /* NOP with REPZ prefix is called PAUSE. */ + if (prefixes == PREFIX_REPZ) + strcpy (obuf, "pause"); +} + static const char *const Suffix3DNow[] = { /* 00 */ NULL, NULL, NULL, NULL, /* 04 */ NULL, NULL, NULL, NULL, @@ -4040,9 +4314,7 @@ static const char *const Suffix3DNow[] = { }; static void -OP_3DNowSuffix (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { const char *mnemonic; @@ -4078,9 +4350,7 @@ static const char *simd_cmp_op[] = { }; static void -OP_SIMD_Suffix (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; +OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { unsigned int cmp_type; @@ -4120,9 +4390,7 @@ OP_SIMD_Suffix (bytemode, sizeflag) } static void -SIMD_Fixup (extrachar, sizeflag) - int extrachar; - int sizeflag ATTRIBUTE_UNUSED; +SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED) { /* Change movlps/movhps to movhlps/movlhps for 2 register operand forms of these instructions. */ @@ -4137,6 +4405,147 @@ SIMD_Fixup (extrachar, sizeflag) } } +static void +PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) +{ + if (mod == 3 && reg == 1 && rm <= 1) + { + /* Override "sidt". */ + char *p = obuf + strlen (obuf) - 4; + + /* We might have a suffix when disassembling with -Msuffix. */ + if (*p == 'i') + --p; + + if (rm) + { + /* mwait %eax,%ecx */ + strcpy (p, "mwait"); + if (!intel_syntax) + strcpy (op1out, names32[0]); + } + else + { + /* monitor %eax,%ecx,%edx" */ + strcpy (p, "monitor"); + if (!intel_syntax) + { + if (!mode_64bit) + strcpy (op1out, names32[0]); + else if (!(prefixes & PREFIX_ADDR)) + strcpy (op1out, names64[0]); + else + { + strcpy (op1out, names32[0]); + used_prefixes |= PREFIX_ADDR; + } + strcpy (op3out, names32[2]); + } + } + if (!intel_syntax) + { + strcpy (op2out, names32[1]); + two_source_ops = 1; + } + + codep++; + } + else + OP_M (0, sizeflag); +} + +static void +SVME_Fixup (int bytemode, int sizeflag) +{ + const char *alt; + char *p; + + switch (*codep) + { + case 0xd8: + alt = "vmrun"; + break; + case 0xd9: + alt = "vmmcall"; + break; + case 0xda: + alt = "vmload"; + break; + case 0xdb: + alt = "vmsave"; + break; + case 0xdc: + alt = "stgi"; + break; + case 0xdd: + alt = "clgi"; + break; + case 0xde: + alt = "skinit"; + break; + case 0xdf: + alt = "invlpga"; + break; + default: + OP_M (bytemode, sizeflag); + return; + } + /* Override "lidt". */ + p = obuf + strlen (obuf) - 4; + /* We might have a suffix. */ + if (*p == 'i') + --p; + strcpy (p, alt); + if (!(prefixes & PREFIX_ADDR)) + { + ++codep; + return; + } + used_prefixes |= PREFIX_ADDR; + switch (*codep++) + { + case 0xdf: + strcpy (op2out, names32[1]); + two_source_ops = 1; + /* Fall through. */ + case 0xd8: + case 0xda: + case 0xdb: + *obufp++ = open_char; + if (mode_64bit || (sizeflag & AFLAG)) + alt = names32[0]; + else + alt = names16[0]; + strcpy (obufp, alt); + obufp += strlen (alt); + *obufp++ = close_char; + *obufp = '\0'; + break; + } +} + +static void +INVLPG_Fixup (int bytemode, int sizeflag) +{ + const char *alt; + + switch (*codep) + { + case 0xf8: + alt = "swapgs"; + break; + case 0xf9: + alt = "rdtscp"; + break; + default: + OP_M (bytemode, sizeflag); + return; + } + /* Override "invlpg". */ + strcpy (obuf + strlen (obuf) - 6, alt); + codep++; +} + static void BadOp (void) { @@ -4144,3 +4553,99 @@ BadOp (void) codep = insn_codep + 1; oappend ("(bad)"); } + +static void +SEG_Fixup (int extrachar, int sizeflag) +{ + if (mod == 3) + { + /* We need to add a proper suffix with + + movw %ds,%ax + movl %ds,%eax + movq %ds,%rax + movw %ax,%ds + movl %eax,%ds + movq %rax,%ds + */ + const char *suffix; + + if (prefixes & PREFIX_DATA) + suffix = "w"; + else + { + USED_REX (REX_MODE64); + if (rex & REX_MODE64) + suffix = "q"; + else + suffix = "l"; + } + strcat (obuf, suffix); + } + else + { + /* We need to fix the suffix for + + movw %ds,(%eax) + movw %ds,(%rax) + movw (%eax),%ds + movw (%rax),%ds + + Override "mov[l|q]". */ + char *p = obuf + strlen (obuf) - 1; + + /* We might not have a suffix. */ + if (*p == 'v') + ++p; + *p = 'w'; + } + + OP_E (extrachar, sizeflag); +} + +static void +VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) +{ + if (mod == 3 && reg == 0 && rm >=1 && rm <= 4) + { + /* Override "sgdt". */ + char *p = obuf + strlen (obuf) - 4; + + /* We might have a suffix when disassembling with -Msuffix. */ + if (*p == 'g') + --p; + + switch (rm) + { + case 1: + strcpy (p, "vmcall"); + break; + case 2: + strcpy (p, "vmlaunch"); + break; + case 3: + strcpy (p, "vmresume"); + break; + case 4: + strcpy (p, "vmxoff"); + break; + } + + codep++; + } + else + OP_E (0, sizeflag); +} + +static void +OP_VMX (int bytemode, int sizeflag) +{ + used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ)); + if (prefixes & PREFIX_DATA) + strcpy (obuf, "vmclear"); + else if (prefixes & PREFIX_REPZ) + strcpy (obuf, "vmxon"); + else + strcpy (obuf, "vmptrld"); + OP_E (bytemode, sizeflag); +}