* i386-dis.c (OP_M, OP_0f0e, OP_0fae, NOP_Fixup): New functions.
(M, Mp): Use OP_M. (None, PADLOCK_SPECIAL, PADLOCK_0): Delete. (GRPPADLCK): Define. (dis386): Use NOP_Fixup on "nop". (dis386_twobyte): Use GRPPADLCK on opcode 0xa7. (twobyte_has_modrm): Set for 0xa7. (padlock_table): Delete. Move to.. (grps): ..here, using OP_0f07. Use OP_Ofae on lfence, mfence and clflush. (print_insn): Revert PADLOCK_SPECIAL code. (OP_E): Delete sfence, lfence, mfence checks. * gas/i386/katmai.d: Revert last change.
This commit is contained in:
parent
d1f161ea0a
commit
cc0ec05165
4 changed files with 91 additions and 44 deletions
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@ -1,5 +1,7 @@
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2004-03-12 Alan Modra <amodra@bigpond.net.au>
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* gas/i386/katmai.d: Revert last change.
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* gas/i386/katmai.d: Adjust for clflush change.
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2004-03-08 Andreas Jaeger <aj@suse.de>
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@ -165,7 +165,7 @@ Disassembly of section .text:
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246: 90 [ ]*nop
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247: 90 [ ]*nop
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248: 65 [ ]*gs
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249: 0f [ ]*clflush.*\(bad\).*
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249: 0f [ ]*sfence.*\(bad\).*
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24a: ae [ ]*scas %es:\(%edi\),%al
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24b: ff 00 [ ]*incl \(%eax\)
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24d: 00 00 [ ]*add %al,\(%eax\)
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@ -1,3 +1,18 @@
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2004-03-12 Alan Modra <amodra@bigpond.net.au>
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* i386-dis.c (OP_M, OP_0f0e, OP_0fae, NOP_Fixup): New functions.
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(M, Mp): Use OP_M.
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(None, PADLOCK_SPECIAL, PADLOCK_0): Delete.
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(GRPPADLCK): Define.
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(dis386): Use NOP_Fixup on "nop".
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(dis386_twobyte): Use GRPPADLCK on opcode 0xa7.
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(twobyte_has_modrm): Set for 0xa7.
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(padlock_table): Delete. Move to..
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(grps): ..here, using OP_0f07. Use OP_Ofae on lfence, mfence
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and clflush.
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(print_insn): Revert PADLOCK_SPECIAL code.
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(OP_E): Delete sfence, lfence, mfence checks.
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2004-03-12 Jakub Jelinek <jakub@redhat.com>
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* i386-dis.c (grps): Use INVLPG_Fixup instead of OP_E for invlpg.
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@ -91,6 +91,10 @@ static void OP_EM (int, int);
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static void OP_EX (int, int);
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static void OP_MS (int, int);
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static void OP_XS (int, int);
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static void OP_M (int, int);
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static void OP_0fae (int, int);
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static void OP_0f07 (int, int);
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static void NOP_Fixup (int, int);
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static void OP_3DNowSuffix (int, int);
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static void OP_SIMD_Suffix (int, int);
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static void SIMD_Fixup (int, int);
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@ -198,8 +202,8 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
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#define indirEv OP_indirE, v_mode
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#define Ew OP_E, w_mode
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#define Ma OP_E, v_mode
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#define M OP_E, 0 /* lea, lgdt, etc. */
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#define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */
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#define M OP_M, 0 /* lea, lgdt, etc. */
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#define Mp OP_M, 0 /* 32 or 48 bit memory operand for LDS, LES etc */
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#define Gb OP_G, b_mode
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#define Gv OP_G, v_mode
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#define Gd OP_G, d_mode
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@ -292,7 +296,6 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
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#define EX OP_EX, v_mode
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#define MS OP_MS, v_mode
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#define XS OP_XS, v_mode
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#define None OP_E, 0
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#define OPSUF OP_3DNowSuffix, 0
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#define OPSIMD OP_SIMD_Suffix, 0
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@ -364,7 +367,6 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
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#define USE_GROUPS 2
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#define USE_PREFIX_USER_TABLE 3
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#define X86_64_SPECIAL 4
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#define PADLOCK_SPECIAL 5
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#define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
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@ -392,6 +394,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
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#define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0
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#define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0
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#define GRPPLOCK NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0
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#define GRPPADLCK NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0
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#define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0
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#define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0
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@ -429,8 +432,6 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
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#define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0
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#define PADLOCK_0 NULL, NULL, PADLOCK_SPECIAL, NULL, 0, NULL, 0
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typedef void (*op_rtn) (int bytemode, int sizeflag);
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struct dis386 {
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@ -637,8 +638,7 @@ static const struct dis386 dis386[] = {
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{ "movQ", Sw, Ev, XX },
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{ "popU", Ev, XX, XX },
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/* 90 */
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{ "nop", XX, XX, XX },
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/* FIXME: NOP with REPz prefix is called PAUSE. */
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{ "nop", NOP_Fixup, 0, XX, XX },
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{ "xchgS", RMeCX, eAX, XX },
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{ "xchgS", RMeDX, eAX, XX },
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{ "xchgS", RMeBX, eAX, XX },
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@ -954,7 +954,7 @@ static const struct dis386 dis386_twobyte[] = {
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{ "shldS", Ev, Gv, Ib },
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{ "shldS", Ev, Gv, CL },
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{ "(bad)", XX, XX, XX },
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{ PADLOCK_0 },
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{ GRPPADLCK },
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/* a8 */
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{ "pushT", gs, XX, XX },
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{ "popT", gs, XX, XX },
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/* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 7f */
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/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
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/* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
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/* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */
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/* a0 */ 0,0,0,1,1,1,0,1,0,0,0,1,1,1,1,1, /* af */
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/* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
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/* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
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/* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
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{ "ldmxcsr", Ev, XX, XX },
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{ "stmxcsr", Ev, XX, XX },
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{ "(bad)", XX, XX, XX },
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{ "lfence", None, XX, XX },
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{ "mfence", None, XX, XX },
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{ "clflush", None, XX, XX },
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{ "lfence", OP_0fae, 0, XX, XX },
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{ "mfence", OP_0fae, 0, XX, XX },
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{ "clflush", OP_0fae, 0, XX, XX },
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},
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/* GRP14 */
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{
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{ "xcryptofb", XX, XX, XX },
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{ "(bad)", XX, XX, XX },
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{ "(bad)", XX, XX, XX },
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},
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/* GRPPADLCK */
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{
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{ "xstorerng", OP_0f07, 0, XX, XX },
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{ "xcryptecb", OP_0f07, 0, XX, XX },
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{ "xcryptcbc", OP_0f07, 0, XX, XX },
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{ "(bad)", OP_0f07, 0, XX, XX },
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{ "xcryptcfb", OP_0f07, 0, XX, XX },
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{ "xcryptofb", OP_0f07, 0, XX, XX },
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{ "(bad)", OP_0f07, 0, XX, XX },
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{ "(bad)", OP_0f07, 0, XX, XX },
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}
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};
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},
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};
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static const struct dis386 padlock_table[][8] = {
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{
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{ "xstorerng", XX, XX, XX },
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{ "xcryptecb", XX, XX, XX },
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{ "xcryptcbc", XX, XX, XX },
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{ "(bad)", XX, XX, XX },
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{ "xcryptcfb", XX, XX, XX },
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{ "xcryptofb", XX, XX, XX },
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{ "(bad)", XX, XX, XX },
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{ "(bad)", XX, XX, XX },
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},
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};
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#define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
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static void
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dp = &x86_64_table[dp->bytemode2][mode_64bit];
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break;
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case PADLOCK_SPECIAL:
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FETCH_DATA (info, codep + 1);
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index = (*codep++ >> 3) & 0x07;
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dp = &padlock_table[dp->bytemode2][index];
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break;
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default:
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oappend (INTERNAL_DISASSEMBLER_ERROR);
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break;
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used_prefixes |= (prefixes & PREFIX_DATA);
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break;
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case 0:
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if (codep[-2] == 0xAE && codep[-1] == 0xF8)
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/* sfence */
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strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence");
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else if (codep[-2] == 0xAE && codep[-1] == 0xF0)
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/* mfence */
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;
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else if (codep[-2] == 0xAE && codep[-1] == 0xe8)
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/* lfence */
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;
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else
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BadOp (); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */
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break;
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default:
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oappend (INTERNAL_DISASSEMBLER_ERROR);
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BadOp ();
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}
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static void
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OP_M (int bytemode, int sizeflag)
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{
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if (mod == 3)
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BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */
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else
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OP_E (bytemode, sizeflag);
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}
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static void
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OP_0f07 (int bytemode, int sizeflag)
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{
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if (mod != 3 || rm != 0)
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BadOp ();
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else
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OP_E (bytemode, sizeflag);
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}
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static void
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OP_0fae (int bytemode, int sizeflag)
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{
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if (mod == 3)
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{
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if (reg == 7)
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strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence");
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if (reg < 5 || rm != 0)
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{
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BadOp (); /* bad sfence, mfence, or lfence */
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return;
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}
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}
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else if (reg != 7)
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{
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BadOp (); /* bad clflush */
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return;
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}
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OP_E (bytemode, sizeflag);
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}
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static void
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NOP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
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{
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/* NOP with REPZ prefix is called PAUSE. */
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if (prefixes == PREFIX_REPZ)
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strcpy (obuf, "pause");
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}
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static const char *const Suffix3DNow[] = {
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/* 00 */ NULL, NULL, NULL, NULL,
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/* 04 */ NULL, NULL, NULL, NULL,
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