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[RFA]: opcodes / i386 disassembler

Michael Snyder msnyder@cygnus.com
Thu Jul 20 18:41:00 GMT 2000 
Would the following be acceptable?  Assuming I provided an
suitable ChangeLog entry?

Index: i386-dis.c
===================================================================
RCS file: /cvs/cvsfiles/devo/opcodes/i386-dis.c,v
retrieving revision 1.51
diff -p -r1.51 i386-dis.c
*** i386-dis.c	2000/04/05 20:16:40	1.51
--- i386-dis.c	2000/07/21 01:40:08
*************** You should have received a copy of the G
*** 18,38 ****
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  
! /*
!  * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
!  * July 1988
!  *  modified by John Hassey (hassey@dg-rtp.dg.com)
!  */
! 
! /*
!  * 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"
  #include "opintl.h"
--- 18,34 ----
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  
! /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
!    July 1988, modified by John Hassey (hassey@dg-rtp.dg.com).  */
  
+ /* The main tables describing the instructions is essentially a copy
+    of the "Opcode Map" chapter (Appendix A) of the Intel 80386
+    Programmers Manual and the Pentium(TM) Family User's 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"
  #include "opintl.h"
*************** static const struct dis386 dis386_att[] 
*** 496,502 ****
    /* 80 */
    { GRP1b },
    { GRP1S },
!   { "(bad)",	XX, XX, XX },
    { GRP1Ss },
    { "testB",	Eb, Gb, XX },
    { "testS",	Ev, Gv, XX },
--- 492,509 ----
    /* 80 */
    { GRP1b },
    { GRP1S },
!   /* this one is blank in appendix A of the 386 book, and given as
!      "MOVB AL, imm8 in appendix A of the Pentium book with a footnote
!      saying "Reserved"; it *should* be "Immediate Grp1, Ev, Ib"
!      according to an Intel person who says it'll be fixed in the -004
!      version of the Pentium book.
! 
!      The trick here is that 0x80 sets neither the "s" nor the "w" bit,
!      while 0x82 sets the "s" bit but not the "w" bit.  However, if the
!      "w" bit isn't set, the setting of the "s" bit is irrelevant, as
!      the operands are one byte long, so there's no sign-extension to be
!      done. */
!   { GRP1b  },
    { GRP1Ss },
    { "testB",	Eb, Gb, XX },
    { "testS",	Ev, Gv, XX },
*************** static const struct dis386 dis386_twobyt
*** 968,974 ****
    { "(bad)", XX, XX, XX },
    { "(bad)", XX, XX, XX },
    /* 20 */
!   /* these are all backward in appendix A of the intel book */
    { "movL", Rd, Cd, XX },
    { "movL", Rd, Dd, XX },
    { "movL", Cd, Rd, XX },
--- 975,982 ----
    { "(bad)", XX, XX, XX },
    { "(bad)", XX, XX, XX },
    /* 20 */
!   /* these are all backward in appendix A of the intel book,
!      but correct in appendix A of the Pentium book.  */
    { "movL", Rd, Cd, XX },
    { "movL", Rd, Dd, XX },
    { "movL", Cd, Rd, XX },
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