2004-03-12 Michal Ludvig <mludvig@suse.cz>

	* gas/config/tc-i386.c (output_insn): Handle PadLock instructions.
	* gas/config/tc-i386.h (CpuPadLock): New define.
	(CpuUnknownFlags): Added CpuPadLock.
	* include/opcode/i386.h (i386_optab): Added xstore/xcrypt insns.
	* opcodes/i386-dis.c (PADLOCK_SPECIAL, PADLOCK_0): New defines.
	(dis386_twobyte): Opcode 0xa7 is PADLOCK_0.
	(padlock_table): New struct with PadLock instructions.
	(print_insn): Handle PADLOCK_SPECIAL.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 209d6e0..bf03c3f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2004-03-12  Michal Ludvig  <mludvig@suse.cz>
+
+       * config/tc-i386.c (output_insn): Handle PadLock instructions.
+       * config/tc-i386.h (CpuPadLock): New define.
+       (CpuUnknownFlags): Added CpuPadLock.
+
 2004-03-07  Andreas Schwab  <schwab@suse.de>
 
        * doc/c-hppa.texi (HPPA Directives): Fix typo.

diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index b1ba958..5de6a55 100644 (file)
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1,6 +1,6 @@
 /* i386.c -- Assemble code for the Intel 80386
    Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003
+   2000, 2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -23,6 +23,7 @@
 /* Intel 80386 machine specific gas.
    Written by Eliot Dresselhaus (eliot@mgm.mit.edu).
    x86_64 support by Jan Hubicka (jh@suse.cz)
+   VIA PadLock support by Michal Ludvig (mludvig@suse.cz)
    Bugs & suggestions are completely welcome.  This is free software.
    Please help us make it better.  */
 
@@ -3123,7 +3124,6 @@ output_interseg_jump ()
   md_number_to_chars (p + size, (valueT) i.op[0].imms->X_add_number, 2);
 }
 
-
 static void
 output_insn ()
 {
@@ -3151,10 +3151,23 @@ output_insn ()
       char *p;
       unsigned char *q;
 
-      /* All opcodes on i386 have either 1 or 2 bytes.  We may use third
-        byte for the SSE instructions to specify a prefix they require.  */
-      if (i.tm.base_opcode & 0xff0000)
-       add_prefix ((i.tm.base_opcode >> 16) & 0xff);
+      /* All opcodes on i386 have either 1 or 2 bytes, PadLock instructions
+        have 3 bytes.  We may use one more higher byte to specify a prefix
+        the instruction requires.  */
+      if ((i.tm.cpu_flags & CpuPadLock) != 0
+         && (i.tm.base_opcode & 0xff000000) != 0)
+        {
+         unsigned int prefix;
+         prefix = (i.tm.base_opcode >> 24) & 0xff;
+
+         if (prefix != REPE_PREFIX_OPCODE
+             || i.prefix[LOCKREP_PREFIX] != REPE_PREFIX_OPCODE)
+           add_prefix (prefix);
+       }
+      else
+       if ((i.tm.cpu_flags & CpuPadLock) == 0
+           && (i.tm.base_opcode & 0xff0000) != 0)
+         add_prefix ((i.tm.base_opcode >> 16) & 0xff);
 
       /* The prefix bytes.  */
       for (q = i.prefix;
@@ -3175,7 +3188,14 @@ output_insn ()
        }
       else
        {
-         p = frag_more (2);
+         if ((i.tm.cpu_flags & CpuPadLock) != 0)
+           {
+             p = frag_more (3);
+             *p++ = (i.tm.base_opcode >> 16) & 0xff;
+           }
+         else
+           p = frag_more (2);
+
          /* Put out high byte first: can't use md_number_to_chars!  */
          *p++ = (i.tm.base_opcode >> 8) & 0xff;
          *p = i.tm.base_opcode & 0xff;

diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index 069c233..14b522b 100644 (file)
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -1,6 +1,6 @@
 /* tc-i386.h -- Header file for tc-i386.c
    Copyright 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003
+   2001, 2002, 2003, 2004
    Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -194,13 +194,14 @@ typedef struct
 #define CpuSSE2               0x2000   /* Streaming SIMD extensions 2 required */
 #define Cpu3dnow       0x4000  /* 3dnow! support required */
 #define CpuPNI        0x8000   /* Prescott New Instructions required */
+#define CpuPadLock    0x10000  /* VIA PadLock required */
 
   /* These flags are set by gas depending on the flag_code.  */
 #define Cpu64       0x4000000   /* 64bit support required  */
 #define CpuNo64      0x8000000   /* Not supported in the 64bit mode  */
 
   /* The default value for unknown CPUs - enable all features to avoid problems.  */
-#define CpuUnknownFlags (Cpu086|Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuP4|CpuSledgehammer|CpuMMX|CpuSSE|CpuSSE2|CpuPNI|Cpu3dnow|CpuK6|CpuAthlon)
+#define CpuUnknownFlags (Cpu086|Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuP4|CpuSledgehammer|CpuMMX|CpuSSE|CpuSSE2|CpuPNI|Cpu3dnow|CpuK6|CpuAthlon|CpuPadLock)
 
   /* the bits in opcode_modifier are used to generate the final opcode from
      the base_opcode.  These bits also are used to detect alternate forms of

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 438c6d8..a0b33ef 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2004-03-12  Michal Ludvig  <mludvig@suse.cz>
+
+       * i386.h (i386_optab): Added xstore/xcrypt insns.
+
 2004-02-09  Anil Paranjpe  <anilp1@KPITCummins.com>
 
        * h8300.h (32bit ldc/stc): Add relaxing support.

diff --git a/include/opcode/i386.h b/include/opcode/i386.h
index cb3a99a..27ed76d 100644 (file)
--- a/include/opcode/i386.h
+++ b/include/opcode/i386.h
@@ -1361,6 +1361,13 @@ static const template i386_optab[] = {
 {"sysret",   0, 0x0f07,    X, CpuK6,   lq_Suf|DefaultSize,     { 0, 0, 0} },
 {"swapgs",   0, 0x0f01, 0xf8, Cpu64,   NoSuf|ImmExt,           { 0, 0, 0} },
 
+/* VIA PadLock extensions. */
+{"xstorerng", 0, 0x0fa7c0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xcryptecb", 0, 0xf30fa7c8, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xcryptcbc", 0, 0xf30fa7d0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xcryptcfb", 0, 0xf30fa7e0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xcryptofb", 0, 0xf30fa7e8, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+
 /* sentinel */
 {NULL, 0, 0, 0, 0, 0, { 0, 0, 0} }
 };

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 545c37b..f576724 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,10 @@
+2004-03-12  Michal Ludvig  <mludvig@suse.cz>
+
+       * i386-dis.c (PADLOCK_SPECIAL, PADLOCK_0): New defines.
+       (dis386_twobyte): Opcode 0xa7 is PADLOCK_0.
+       (padlock_table): New struct with PadLock instructions.
+       (print_insn): Handle PADLOCK_SPECIAL.
+
 2004-03-12  Alan Modra  <amodra@bigpond.net.au>
 
        * i386-dis.c (grps): Use clflush by default for 0x0fae/7.

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 067c750..ea41d2f 100644 (file)
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -1,6 +1,6 @@
 /* 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 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -23,6 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  * 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)
  */
 
 /*
@@ -362,6 +363,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 #define USE_GROUPS 2
 #define USE_PREFIX_USER_TABLE 3
 #define X86_64_SPECIAL 4
+#define PADLOCK_SPECIAL 5
 
 #define FLOAT    NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
 
@@ -388,6 +390,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *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 GRPPLOCK  NULL, NULL, USE_GROUPS, NULL, 23, 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
@@ -425,6 +428,8 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 
 #define X86_64_0  NULL, NULL, X86_64_SPECIAL, NULL,  0, NULL, 0
 
+#define PADLOCK_0  NULL, NULL, PADLOCK_SPECIAL, NULL,  0, NULL, 0
+
 typedef void (*op_rtn) (int bytemode, int sizeflag);
 
 struct dis386 {
@@ -948,7 +953,7 @@ static const struct dis386 dis386_twobyte[] = {
   { "shldS",           Ev, Gv, Ib },
   { "shldS",           Ev, Gv, CL },
   { "(bad)",           XX, XX, XX },
-  { "(bad)",           XX, XX, XX },
+  { PADLOCK_0 },
   /* a8 */
   { "pushT",           gs, XX, XX },
   { "popT",            gs, XX, XX },
@@ -1449,6 +1454,17 @@ static const struct dis386 grps[][8] = {
     { "(bad)", XX, XX, XX },
     { "(bad)", XX, XX, XX },
     { "(bad)", XX, XX, XX },
+  },
+  /* GRPPLOCK */
+  {
+    { "xstore", XX, XX, XX },
+    { "xcryptecb", XX, XX, XX },
+    { "xcryptcbc", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
+    { "xcryptcfb", XX, XX, XX },
+    { "xcryptofb", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
   }
 };
 
@@ -1693,6 +1709,19 @@ static const struct dis386 x86_64_table[][2] = {
   },
 };
 
+static const struct dis386 padlock_table[][8] = {
+  {
+    { "xstorerng", XX, XX, XX },
+    { "xcryptecb", XX, XX, XX },
+    { "xcryptcbc", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
+    { "xcryptcfb", XX, XX, XX },
+    { "xcryptofb", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
+    { "(bad)", XX, XX, XX },
+  },
+};
+
 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
 
 static void
@@ -2191,6 +2220,12 @@ print_insn (bfd_vma pc, disassemble_info *info)
              dp = &x86_64_table[dp->bytemode2][mode_64bit];
              break;
 
+           case PADLOCK_SPECIAL:
+             FETCH_DATA (info, codep + 1);
+             index = (*codep++ >> 3) & 0x07;
+             dp = &padlock_table[dp->bytemode2][index];
+             break;
+
            default:
              oappend (INTERNAL_DISASSEMBLER_ERROR);
              break;