From 00cea52f92c8e845506ad147cb9584a31d29d587 Mon Sep 17 00:00:00 2001 From: Per Bothner Date: Fri, 19 Mar 1993 00:18:55 +0000 Subject: [PATCH] * ieee-float.c: Moved to ../libiberty. * ieee-float.h: Moved to ../include. * Makefile.in: Update accordingly. * i386-pinsn.c (print_insn), m68k-pinsn.c (print_insn): Convert to stubs that call disassemblers in ../opcodes/*-dis.c. * m68k-tdep.c: Removed definition of ext_format ext_format_68881; it is now in ../opcodes/m68881-ext.c. * mips-tdep.c (mips_skip_prologue): Try to skip more of the prologue (some callers _do_ care). * mips-pinsn.c (print_insn), z8k-tdep.c (print_insn): Convert to new interface of ../opcodes/*-dis.c. * ch-exp.y: Add #include . --- gdb/.Sanitize | 2 - gdb/ChangeLog | 15 + gdb/Makefile.in | 6 +- gdb/ch-exp.y | 1 + gdb/depend | 12 +- gdb/energize-patches | 8 +- gdb/i386-pinsn.c | 1884 +----------------------------------------- gdb/ieee-float.c | 149 ---- gdb/ieee-float.h | 63 -- gdb/m68k-pinsn.c | 803 +----------------- gdb/mips-pinsn.c | 9 +- gdb/z8k-tdep.c | 7 +- 12 files changed, 61 insertions(+), 2898 deletions(-) delete mode 100644 gdb/ieee-float.c delete mode 100644 gdb/ieee-float.h diff --git a/gdb/.Sanitize b/gdb/.Sanitize index 82c8d11618..6fbadc28f8 100644 --- a/gdb/.Sanitize +++ b/gdb/.Sanitize @@ -121,8 +121,6 @@ i386v4-nat.c i387-tdep.c i960-pinsn.c i960-tdep.c -ieee-float.c -ieee-float.h infcmd.c inferior.h inflow.c diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 8b73e68d3e..2e3a1fdbc9 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,18 @@ +Thu Mar 18 14:26:57 1993 Per Bothner (bothner@rtl.cygnus.com) + + * ieee-float.c: Moved to ../libiberty. + * ieee-float.h: Moved to ../include. + * Makefile.in: Update accordingly. + * i386-pinsn.c (print_insn), m68k-pinsn.c (print_insn): + Convert to stubs that call disassemblers in ../opcodes/*-dis.c. + * m68k-tdep.c: Removed definition of ext_format ext_format_68881; + it is now in ../opcodes/m68881-ext.c. + * mips-tdep.c (mips_skip_prologue): Try to skip more of the + prologue (some callers _do_ care). + * mips-pinsn.c (print_insn), z8k-tdep.c (print_insn): Convert to + new interface of ../opcodes/*-dis.c. + * ch-exp.y: Add #include . + Thu Mar 18 11:57:49 1993 Jim Kingdon (kingdon@cygnus.com) * xcoffexec.c (exec_close): Don't close exec_bfd twice. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 1b5b80529f..1e77814508 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -285,7 +285,7 @@ SFILES_MAINDIR = \ utils.c valarith.c valops.c valprint.c values.c c-exp.y m2-exp.y \ mem-break.c target.c \ dbxread.c coffread.c elfread.c dwarfread.c stabsread.c \ - ieee-float.c language.c parse.c buildsym.c objfiles.c \ + language.c parse.c buildsym.c objfiles.c \ minsyms.c mipsread.c maint.c ch-exp.y c-lang.c ch-lang.c m2-lang.c \ complaints.c typeprint.c c-typeprint.c ch-typeprint.c m2-typeprint.c \ c-valprint.c cp-valprint.c ch-valprint.c m2-valprint.c @@ -343,7 +343,7 @@ SFILES_KGDB = $(SFILES) stuff.c kdb-start.c # Header files that are not named in config/* Makefile fragments go here. HFILES= breakpoint.h buildsym.h call-cmds.h command.h defs.h \ environ.h expression.h frame.h gdbcmd.h gdbcore.h gdbtypes.h \ - gdb-stabs.h ieee-float.h inferior.h language.h \ + ieee-float.h inferior.h language.h \ minimon.h objfiles.h parser-defs.h partial-stab.h \ serial.h signals.h solib.h symfile.h symtab.h stabsread.h \ target.h terminal.h typeprint.h xcoffsolib.h value.h \ @@ -389,7 +389,7 @@ OBS = version.o main.o blockframe.o breakpoint.o findvar.o stack.o source.o \ symtab.o symfile.o symmisc.o infcmd.o infrun.o remote.o \ command.o utils.o expprint.o environ.o gdbtypes.o \ copying.o $(DEPFILES) mem-break.o target.o \ - ieee-float.o putenv.o parse.o language.o $(YYOBJ) \ + putenv.o parse.o language.o $(YYOBJ) \ buildsym.o objfiles.o minsyms.o maint.o demangle.o \ dbxread.o coffread.o elfread.o dwarfread.o mipsread.o \ stabsread.o core.o c-lang.o ch-lang.o m2-lang.o complaints.o \ diff --git a/gdb/ch-exp.y b/gdb/ch-exp.y index 7233721e59..41ff245865 100644 --- a/gdb/ch-exp.y +++ b/gdb/ch-exp.y @@ -54,6 +54,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ %{ #include "defs.h" +#include #include "expression.h" #include "language.h" #include "value.h" diff --git a/gdb/depend b/gdb/depend index e885a4f4eb..30b0539477 100755 --- a/gdb/depend +++ b/gdb/depend @@ -133,9 +133,7 @@ i960-pinsn.o : i960-pinsn.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.s gdbtypes.h expression.h i960-tdep.o : i960-tdep.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status symtab.h ${srcdir}/../include/obstack.h value.h gdbtypes.h expression.h frame.h \ - ieee-float.h -ieee-float.o : ieee-float.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ - tm.h config.status ieee-float.h + ${srcdir}/../include/ieee-float.h infcmd.o : infcmd.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status symtab.h ${srcdir}/../include/obstack.h gdbtypes.h frame.h inferior.h breakpoint.h \ value.h expression.h environ.h gdbcmd.h command.h gdbcore.h ${srcdir}/../include/bfd.h \ @@ -171,9 +169,9 @@ m2-valprint.o : m2-valprint.c defs.h ${srcdir}/../include/ansidecl.h xm.h config tm.h config.status ${srcdir}/../include/obstack.h symtab.h gdbtypes.h valprint.h m68k-pinsn.o : m68k-pinsn.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status symtab.h ${srcdir}/../include/obstack.h ${srcdir}/../include/opcode/m68k.h gdbcore.h ${srcdir}/../include/bfd.h \ - ieee-float.h + ${srcdir}/../include/ieee-float.h m68k-tdep.o : m68k-tdep.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ - tm.h config.status ieee-float.h frame.h symtab.h ${srcdir}/../include/obstack.h + tm.h config.status ${srcdir}/../include/ieee-float.h frame.h symtab.h ${srcdir}/../include/obstack.h m88k-nat.o : m88k-nat.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status frame.h inferior.h symtab.h ${srcdir}/../include/obstack.h breakpoint.h value.h \ gdbtypes.h expression.h gdbcore.h ${srcdir}/../include/bfd.h /usr/include/setjmp.h @@ -255,7 +253,7 @@ remote-mm.o : remote-mm.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.sta gdbtypes.h expression.h ${srcdir}/../include/wait.h terminal.h minimon.h target.h ${srcdir}/../include/bfd.h remote-nindy.o : remote-nindy.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status frame.h inferior.h symtab.h ${srcdir}/../include/obstack.h breakpoint.h value.h \ - gdbtypes.h expression.h target.h ${srcdir}/../include/bfd.h gdbcore.h command.h ieee-float.h \ + gdbtypes.h expression.h target.h ${srcdir}/../include/bfd.h gdbcore.h command.h ${srcdir}/../include/ieee-float.h \ ${srcdir}/../include/wait.h ${srcdir}/nindy-share/ttycntl.h ${srcdir}/nindy-share/demux.h ${srcdir}/nindy-share/env.h \ ${srcdir}/nindy-share/stop.h remote-st2000.o : remote-st2000.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ @@ -295,7 +293,7 @@ sparc-pinsn.o : sparc-pinsn.c defs.h ${srcdir}/../include/ansidecl.h xm.h config target.h sparc-tdep.o : sparc-tdep.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status frame.h inferior.h symtab.h ${srcdir}/../include/obstack.h breakpoint.h value.h \ - gdbtypes.h expression.h target.h ${srcdir}/../include/bfd.h ieee-float.h gdbcore.h + gdbtypes.h expression.h target.h ${srcdir}/../include/bfd.h ${srcdir}/../include/ieee-float.h gdbcore.h stabsread.o : stabsread.c defs.h ${srcdir}/../include/ansidecl.h xm.h config.status nm.h ${srcdir}/../include/fopen-same.h \ tm.h config.status ${srcdir}/../include/bfd.h ${srcdir}/../include/obstack.h symtab.h gdbtypes.h symfile.h \ ${srcdir}/../include/demangle.h objfiles.h ${srcdir}/../include/aout/stab_gnu.h ${srcdir}/../include/aout/stab.def \ diff --git a/gdb/energize-patches b/gdb/energize-patches index 72f44124b1..026f6e9ae3 100755 --- a/gdb/energize-patches +++ b/gdb/energize-patches @@ -63,7 +63,7 @@ *** 200,206 **** mem-break.c target.c \ dbxread.c coffread.c elfread.c dwarfread.c xcoffread.c stabsread.c \ - ieee-float.c language.c parse.c buildsym.c objfiles.c \ + language.c parse.c buildsym.c objfiles.c \ ! minsyms.c mipsread.c maint.c # Source files in subdirectories (which will be handled separately by @@ -71,7 +71,7 @@ --- 207,213 ---- mem-break.c target.c \ dbxread.c coffread.c elfread.c dwarfread.c xcoffread.c stabsread.c \ - ieee-float.c language.c parse.c buildsym.c objfiles.c \ + language.c parse.c buildsym.c objfiles.c \ ! minsyms.c mipsread.c maint.c energize.c # Source files in subdirectories (which will be handled separately by @@ -80,7 +80,7 @@ *** 289,295 **** command.o utils.o expprint.o environ.o version.o gdbtypes.o \ copying.o $(DEPFILES) mem-break.o target.o \ - ieee-float.o putenv.o parse.o language.o $(YYOBJ) \ + putenv.o parse.o language.o $(YYOBJ) \ ! buildsym.o objfiles.o minsyms.o maint.o demangle.o \ dbxread.o coffread.o elfread.o dwarfread.o xcoffread.o mipsread.o \ stabsread.o core.o @@ -88,7 +88,7 @@ --- 296,302 ---- command.o utils.o expprint.o environ.o version.o gdbtypes.o \ copying.o $(DEPFILES) mem-break.o target.o \ - ieee-float.o putenv.o parse.o language.o $(YYOBJ) \ + putenv.o parse.o language.o $(YYOBJ) \ ! buildsym.o objfiles.o minsyms.o maint.o demangle.o energize.o \ dbxread.o coffread.o elfread.o dwarfread.o xcoffread.o mipsread.o \ stabsread.o core.o diff --git a/gdb/i386-pinsn.c b/gdb/i386-pinsn.c index bbc622f281..6c88de9100 100644 --- a/gdb/i386-pinsn.c +++ b/gdb/i386-pinsn.c @@ -1,5 +1,5 @@ /* Print i386 instructions for GDB, the GNU debugger. - Copyright (C) 1988, 1989, 1991 Free Software Foundation, Inc. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. This file is part of GDB. @@ -17,1871 +17,13 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* - * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) - * July 1988 - */ - -/* - * 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 "defs.h" +#include "dis-asm.h" -#include - -/* For the GDB interface at the bottom of the file... */ -#include "gdbcore.h" - -#define Eb OP_E, b_mode -#define indirEb OP_indirE, b_mode -#define Gb OP_G, b_mode -#define Ev OP_E, v_mode -#define indirEv OP_indirE, v_mode -#define Ew OP_E, w_mode -#define Ma OP_E, v_mode -#define M OP_E, 0 -#define Mp OP_E, 0 /* ? */ -#define Gv OP_G, v_mode -#define Gw OP_G, w_mode -#define Rw OP_rm, w_mode -#define Rd OP_rm, d_mode -#define Ib OP_I, b_mode -#define sIb OP_sI, b_mode /* sign extened byte */ -#define Iv OP_I, v_mode -#define Iw OP_I, w_mode -#define Jb OP_J, b_mode -#define Jv OP_J, v_mode -#define ONE OP_ONE, 0 -#define Cd OP_C, d_mode -#define Dd OP_D, d_mode -#define Td OP_T, d_mode - -#define eAX OP_REG, eAX_reg -#define eBX OP_REG, eBX_reg -#define eCX OP_REG, eCX_reg -#define eDX OP_REG, eDX_reg -#define eSP OP_REG, eSP_reg -#define eBP OP_REG, eBP_reg -#define eSI OP_REG, eSI_reg -#define eDI OP_REG, eDI_reg -#define AL OP_REG, al_reg -#define CL OP_REG, cl_reg -#define DL OP_REG, dl_reg -#define BL OP_REG, bl_reg -#define AH OP_REG, ah_reg -#define CH OP_REG, ch_reg -#define DH OP_REG, dh_reg -#define BH OP_REG, bh_reg -#define AX OP_REG, ax_reg -#define DX OP_REG, dx_reg -#define indirDX OP_REG, indir_dx_reg - -#define Sw OP_SEG, w_mode -#define Ap OP_DIR, lptr -#define Av OP_DIR, v_mode -#define Ob OP_OFF, b_mode -#define Ov OP_OFF, v_mode -#define Xb OP_DSSI, b_mode -#define Xv OP_DSSI, v_mode -#define Yb OP_ESDI, b_mode -#define Yv OP_ESDI, v_mode - -#define es OP_REG, es_reg -#define ss OP_REG, ss_reg -#define cs OP_REG, cs_reg -#define ds OP_REG, ds_reg -#define fs OP_REG, fs_reg -#define gs OP_REG, gs_reg - -int OP_E(), OP_indirE(), OP_G(), OP_I(), OP_sI(), OP_REG(); -int OP_J(), OP_SEG(); -int OP_DIR(), OP_OFF(), OP_DSSI(), OP_ESDI(), OP_ONE(), OP_C(); -int OP_D(), OP_T(), OP_rm(); - -static void dofloat (), putop (), append_prefix (), set_op (); -static int get16 (), get32 (); - -#define b_mode 1 -#define v_mode 2 -#define w_mode 3 -#define d_mode 4 - -#define es_reg 100 -#define cs_reg 101 -#define ss_reg 102 -#define ds_reg 103 -#define fs_reg 104 -#define gs_reg 105 -#define eAX_reg 107 -#define eCX_reg 108 -#define eDX_reg 109 -#define eBX_reg 110 -#define eSP_reg 111 -#define eBP_reg 112 -#define eSI_reg 113 -#define eDI_reg 114 - -#define lptr 115 - -#define al_reg 116 -#define cl_reg 117 -#define dl_reg 118 -#define bl_reg 119 -#define ah_reg 120 -#define ch_reg 121 -#define dh_reg 122 -#define bh_reg 123 - -#define ax_reg 124 -#define cx_reg 125 -#define dx_reg 126 -#define bx_reg 127 -#define sp_reg 128 -#define bp_reg 129 -#define si_reg 130 -#define di_reg 131 - -#define indir_dx_reg 150 - -#define GRP1b NULL, NULL, 0 -#define GRP1S NULL, NULL, 1 -#define GRP1Ss NULL, NULL, 2 -#define GRP2b NULL, NULL, 3 -#define GRP2S NULL, NULL, 4 -#define GRP2b_one NULL, NULL, 5 -#define GRP2S_one NULL, NULL, 6 -#define GRP2b_cl NULL, NULL, 7 -#define GRP2S_cl NULL, NULL, 8 -#define GRP3b NULL, NULL, 9 -#define GRP3S NULL, NULL, 10 -#define GRP4 NULL, NULL, 11 -#define GRP5 NULL, NULL, 12 -#define GRP6 NULL, NULL, 13 -#define GRP7 NULL, NULL, 14 -#define GRP8 NULL, NULL, 15 - -#define FLOATCODE 50 -#define FLOAT NULL, NULL, FLOATCODE - -struct dis386 { - char *name; - int (*op1)(); - int bytemode1; - int (*op2)(); - int bytemode2; - int (*op3)(); - int bytemode3; -}; - -struct dis386 dis386[] = { - /* 00 */ - { "addb", Eb, Gb }, - { "addS", Ev, Gv }, - { "addb", Gb, Eb }, - { "addS", Gv, Ev }, - { "addb", AL, Ib }, - { "addS", eAX, Iv }, - { "pushl", es }, - { "popl", es }, - /* 08 */ - { "orb", Eb, Gb }, - { "orS", Ev, Gv }, - { "orb", Gb, Eb }, - { "orS", Gv, Ev }, - { "orb", AL, Ib }, - { "orS", eAX, Iv }, - { "pushl", cs }, - { "(bad)" }, /* 0x0f extended opcode escape */ - /* 10 */ - { "adcb", Eb, Gb }, - { "adcS", Ev, Gv }, - { "adcb", Gb, Eb }, - { "adcS", Gv, Ev }, - { "adcb", AL, Ib }, - { "adcS", eAX, Iv }, - { "pushl", ss }, - { "popl", ss }, - /* 18 */ - { "sbbb", Eb, Gb }, - { "sbbS", Ev, Gv }, - { "sbbb", Gb, Eb }, - { "sbbS", Gv, Ev }, - { "sbbb", AL, Ib }, - { "sbbS", eAX, Iv }, - { "pushl", ds }, - { "popl", ds }, - /* 20 */ - { "andb", Eb, Gb }, - { "andS", Ev, Gv }, - { "andb", Gb, Eb }, - { "andS", Gv, Ev }, - { "andb", AL, Ib }, - { "andS", eAX, Iv }, - { "(bad)" }, /* SEG ES prefix */ - { "daa" }, - /* 28 */ - { "subb", Eb, Gb }, - { "subS", Ev, Gv }, - { "subb", Gb, Eb }, - { "subS", Gv, Ev }, - { "subb", AL, Ib }, - { "subS", eAX, Iv }, - { "(bad)" }, /* SEG CS prefix */ - { "das" }, - /* 30 */ - { "xorb", Eb, Gb }, - { "xorS", Ev, Gv }, - { "xorb", Gb, Eb }, - { "xorS", Gv, Ev }, - { "xorb", AL, Ib }, - { "xorS", eAX, Iv }, - { "(bad)" }, /* SEG SS prefix */ - { "aaa" }, - /* 38 */ - { "cmpb", Eb, Gb }, - { "cmpS", Ev, Gv }, - { "cmpb", Gb, Eb }, - { "cmpS", Gv, Ev }, - { "cmpb", AL, Ib }, - { "cmpS", eAX, Iv }, - { "(bad)" }, /* SEG DS prefix */ - { "aas" }, - /* 40 */ - { "incS", eAX }, - { "incS", eCX }, - { "incS", eDX }, - { "incS", eBX }, - { "incS", eSP }, - { "incS", eBP }, - { "incS", eSI }, - { "incS", eDI }, - /* 48 */ - { "decS", eAX }, - { "decS", eCX }, - { "decS", eDX }, - { "decS", eBX }, - { "decS", eSP }, - { "decS", eBP }, - { "decS", eSI }, - { "decS", eDI }, - /* 50 */ - { "pushS", eAX }, - { "pushS", eCX }, - { "pushS", eDX }, - { "pushS", eBX }, - { "pushS", eSP }, - { "pushS", eBP }, - { "pushS", eSI }, - { "pushS", eDI }, - /* 58 */ - { "popS", eAX }, - { "popS", eCX }, - { "popS", eDX }, - { "popS", eBX }, - { "popS", eSP }, - { "popS", eBP }, - { "popS", eSI }, - { "popS", eDI }, - /* 60 */ - { "pusha" }, - { "popa" }, - { "boundS", Gv, Ma }, - { "arpl", Ew, Gw }, - { "(bad)" }, /* seg fs */ - { "(bad)" }, /* seg gs */ - { "(bad)" }, /* op size prefix */ - { "(bad)" }, /* adr size prefix */ - /* 68 */ - { "pushS", Iv }, /* 386 book wrong */ - { "imulS", Gv, Ev, Iv }, - { "pushl", sIb }, /* push of byte really pushes 4 bytes */ - { "imulS", Gv, Ev, Ib }, - { "insb", Yb, indirDX }, - { "insS", Yv, indirDX }, - { "outsb", indirDX, Xb }, - { "outsS", indirDX, Xv }, - /* 70 */ - { "jo", Jb }, - { "jno", Jb }, - { "jb", Jb }, - { "jae", Jb }, - { "je", Jb }, - { "jne", Jb }, - { "jbe", Jb }, - { "ja", Jb }, - /* 78 */ - { "js", Jb }, - { "jns", Jb }, - { "jp", Jb }, - { "jnp", Jb }, - { "jl", Jb }, - { "jnl", Jb }, - { "jle", Jb }, - { "jg", Jb }, - /* 80 */ - { GRP1b }, - { GRP1S }, - { "(bad)" }, - { GRP1Ss }, - { "testb", Eb, Gb }, - { "testS", Ev, Gv }, - { "xchgb", Eb, Gb }, - { "xchgS", Ev, Gv }, - /* 88 */ - { "movb", Eb, Gb }, - { "movS", Ev, Gv }, - { "movb", Gb, Eb }, - { "movS", Gv, Ev }, - { "movw", Ew, Sw }, - { "leaS", Gv, M }, - { "movw", Sw, Ew }, - { "popS", Ev }, - /* 90 */ - { "nop" }, - { "xchgS", eCX, eAX }, - { "xchgS", eDX, eAX }, - { "xchgS", eBX, eAX }, - { "xchgS", eSP, eAX }, - { "xchgS", eBP, eAX }, - { "xchgS", eSI, eAX }, - { "xchgS", eDI, eAX }, - /* 98 */ - { "cwtl" }, - { "cltd" }, - { "lcall", Ap }, - { "(bad)" }, /* fwait */ - { "pushf" }, - { "popf" }, - { "sahf" }, - { "lahf" }, - /* a0 */ - { "movb", AL, Ob }, - { "movS", eAX, Ov }, - { "movb", Ob, AL }, - { "movS", Ov, eAX }, - { "movsb", Yb, Xb }, - { "movsS", Yv, Xv }, - { "cmpsb", Yb, Xb }, - { "cmpsS", Yv, Xv }, - /* a8 */ - { "testb", AL, Ib }, - { "testS", eAX, Iv }, - { "stosb", Yb, AL }, - { "stosS", Yv, eAX }, - { "lodsb", AL, Xb }, - { "lodsS", eAX, Xv }, - { "scasb", AL, Xb }, - { "scasS", eAX, Xv }, - /* b0 */ - { "movb", AL, Ib }, - { "movb", CL, Ib }, - { "movb", DL, Ib }, - { "movb", BL, Ib }, - { "movb", AH, Ib }, - { "movb", CH, Ib }, - { "movb", DH, Ib }, - { "movb", BH, Ib }, - /* b8 */ - { "movS", eAX, Iv }, - { "movS", eCX, Iv }, - { "movS", eDX, Iv }, - { "movS", eBX, Iv }, - { "movS", eSP, Iv }, - { "movS", eBP, Iv }, - { "movS", eSI, Iv }, - { "movS", eDI, Iv }, - /* c0 */ - { GRP2b }, - { GRP2S }, - { "ret", Iw }, - { "ret" }, - { "lesS", Gv, Mp }, - { "ldsS", Gv, Mp }, - { "movb", Eb, Ib }, - { "movS", Ev, Iv }, - /* c8 */ - { "enter", Iw, Ib }, - { "leave" }, - { "lret", Iw }, - { "lret" }, - { "int3" }, - { "int", Ib }, - { "into" }, - { "iret" }, - /* d0 */ - { GRP2b_one }, - { GRP2S_one }, - { GRP2b_cl }, - { GRP2S_cl }, - { "aam", Ib }, - { "aad", Ib }, - { "(bad)" }, - { "xlat" }, - /* d8 */ - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - /* e0 */ - { "loopne", Jb }, - { "loope", Jb }, - { "loop", Jb }, - { "jCcxz", Jb }, - { "inb", AL, Ib }, - { "inS", eAX, Ib }, - { "outb", Ib, AL }, - { "outS", Ib, eAX }, - /* e8 */ - { "call", Av }, - { "jmp", Jv }, - { "ljmp", Ap }, - { "jmp", Jb }, - { "inb", AL, indirDX }, - { "inS", eAX, indirDX }, - { "outb", indirDX, AL }, - { "outS", indirDX, eAX }, - /* f0 */ - { "(bad)" }, /* lock prefix */ - { "(bad)" }, - { "(bad)" }, /* repne */ - { "(bad)" }, /* repz */ - { "hlt" }, - { "cmc" }, - { GRP3b }, - { GRP3S }, - /* f8 */ - { "clc" }, - { "stc" }, - { "cli" }, - { "sti" }, - { "cld" }, - { "std" }, - { GRP4 }, - { GRP5 }, -}; - -struct dis386 dis386_twobyte[] = { - /* 00 */ - { GRP6 }, - { GRP7 }, - { "larS", Gv, Ew }, - { "lslS", Gv, Ew }, - { "(bad)" }, - { "(bad)" }, - { "clts" }, - { "(bad)" }, - /* 08 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 10 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 18 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 20 */ - /* these are all backward in appendix A of the intel book */ - { "movl", Rd, Cd }, - { "movl", Rd, Dd }, - { "movl", Cd, Rd }, - { "movl", Dd, Rd }, - { "movl", Rd, Td }, - { "(bad)" }, - { "movl", Td, Rd }, - { "(bad)" }, - /* 28 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 30 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 38 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 40 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 48 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 50 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 58 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 60 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 68 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 70 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 78 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* 80 */ - { "jo", Jv }, - { "jno", Jv }, - { "jb", Jv }, - { "jae", Jv }, - { "je", Jv }, - { "jne", Jv }, - { "jbe", Jv }, - { "ja", Jv }, - /* 88 */ - { "js", Jv }, - { "jns", Jv }, - { "jp", Jv }, - { "jnp", Jv }, - { "jl", Jv }, - { "jge", Jv }, - { "jle", Jv }, - { "jg", Jv }, - /* 90 */ - { "seto", Eb }, - { "setno", Eb }, - { "setb", Eb }, - { "setae", Eb }, - { "sete", Eb }, - { "setne", Eb }, - { "setbe", Eb }, - { "seta", Eb }, - /* 98 */ - { "sets", Eb }, - { "setns", Eb }, - { "setp", Eb }, - { "setnp", Eb }, - { "setl", Eb }, - { "setge", Eb }, - { "setle", Eb }, - { "setg", Eb }, - /* a0 */ - { "pushl", fs }, - { "popl", fs }, - { "(bad)" }, - { "btS", Ev, Gv }, - { "shldS", Ev, Gv, Ib }, - { "shldS", Ev, Gv, CL }, - { "(bad)" }, - { "(bad)" }, - /* a8 */ - { "pushl", gs }, - { "popl", gs }, - { "(bad)" }, - { "btsS", Ev, Gv }, - { "shrdS", Ev, Gv, Ib }, - { "shrdS", Ev, Gv, CL }, - { "(bad)" }, - { "imulS", Gv, Ev }, - /* b0 */ - { "(bad)" }, - { "(bad)" }, - { "lssS", Gv, Mp }, /* 386 lists only Mp */ - { "btrS", Ev, Gv }, - { "lfsS", Gv, Mp }, /* 386 lists only Mp */ - { "lgsS", Gv, Mp }, /* 386 lists only Mp */ - { "movzbS", Gv, Eb }, - { "movzwS", Gv, Ew }, - /* b8 */ - { "(bad)" }, - { "(bad)" }, - { GRP8 }, - { "btcS", Ev, Gv }, - { "bsfS", Gv, Ev }, - { "bsrS", Gv, Ev }, - { "movsbS", Gv, Eb }, - { "movswS", Gv, Ew }, - /* c0 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* c8 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* d0 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* d8 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* e0 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* e8 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* f0 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - /* f8 */ - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, - { "(bad)" }, { "(bad)" }, { "(bad)" }, { "(bad)" }, -}; - -static char obuf[100]; -static char *obufp; -static char scratchbuf[100]; -static unsigned char *start_codep; -static unsigned char *codep; -static int mod; -static int rm; -static int reg; -static void oappend (); - -static char *names32[]={ - "%eax","%ecx","%edx","%ebx", "%esp","%ebp","%esi","%edi", -}; -static char *names16[] = { - "%ax","%cx","%dx","%bx","%sp","%bp","%si","%di", -}; -static char *names8[] = { - "%al","%cl","%dl","%bl","%ah","%ch","%dh","%bh", -}; -static char *names_seg[] = { - "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", -}; - -struct dis386 grps[][8] = { - /* GRP1b */ - { - { "addb", Eb, Ib }, - { "orb", Eb, Ib }, - { "adcb", Eb, Ib }, - { "sbbb", Eb, Ib }, - { "andb", Eb, Ib }, - { "subb", Eb, Ib }, - { "xorb", Eb, Ib }, - { "cmpb", Eb, Ib } - }, - /* GRP1S */ - { - { "addS", Ev, Iv }, - { "orS", Ev, Iv }, - { "adcS", Ev, Iv }, - { "sbbS", Ev, Iv }, - { "andS", Ev, Iv }, - { "subS", Ev, Iv }, - { "xorS", Ev, Iv }, - { "cmpS", Ev, Iv } - }, - /* GRP1Ss */ - { - { "addS", Ev, sIb }, - { "orS", Ev, sIb }, - { "adcS", Ev, sIb }, - { "sbbS", Ev, sIb }, - { "andS", Ev, sIb }, - { "subS", Ev, sIb }, - { "xorS", Ev, sIb }, - { "cmpS", Ev, sIb } - }, - /* GRP2b */ - { - { "rolb", Eb, Ib }, - { "rorb", Eb, Ib }, - { "rclb", Eb, Ib }, - { "rcrb", Eb, Ib }, - { "shlb", Eb, Ib }, - { "shrb", Eb, Ib }, - { "(bad)" }, - { "sarb", Eb, Ib }, - }, - /* GRP2S */ - { - { "rolS", Ev, Ib }, - { "rorS", Ev, Ib }, - { "rclS", Ev, Ib }, - { "rcrS", Ev, Ib }, - { "shlS", Ev, Ib }, - { "shrS", Ev, Ib }, - { "(bad)" }, - { "sarS", Ev, Ib }, - }, - /* GRP2b_one */ - { - { "rolb", Eb }, - { "rorb", Eb }, - { "rclb", Eb }, - { "rcrb", Eb }, - { "shlb", Eb }, - { "shrb", Eb }, - { "(bad)" }, - { "sarb", Eb }, - }, - /* GRP2S_one */ - { - { "rolS", Ev }, - { "rorS", Ev }, - { "rclS", Ev }, - { "rcrS", Ev }, - { "shlS", Ev }, - { "shrS", Ev }, - { "(bad)" }, - { "sarS", Ev }, - }, - /* GRP2b_cl */ - { - { "rolb", Eb, CL }, - { "rorb", Eb, CL }, - { "rclb", Eb, CL }, - { "rcrb", Eb, CL }, - { "shlb", Eb, CL }, - { "shrb", Eb, CL }, - { "(bad)" }, - { "sarb", Eb, CL }, - }, - /* GRP2S_cl */ - { - { "rolS", Ev, CL }, - { "rorS", Ev, CL }, - { "rclS", Ev, CL }, - { "rcrS", Ev, CL }, - { "shlS", Ev, CL }, - { "shrS", Ev, CL }, - { "(bad)" }, - { "sarS", Ev, CL } - }, - /* GRP3b */ - { - { "testb", Eb, Ib }, - { "(bad)", Eb }, - { "notb", Eb }, - { "negb", Eb }, - { "mulb", AL, Eb }, - { "imulb", AL, Eb }, - { "divb", AL, Eb }, - { "idivb", AL, Eb } - }, - /* GRP3S */ - { - { "testS", Ev, Iv }, - { "(bad)" }, - { "notS", Ev }, - { "negS", Ev }, - { "mulS", eAX, Ev }, - { "imulS", eAX, Ev }, - { "divS", eAX, Ev }, - { "idivS", eAX, Ev }, - }, - /* GRP4 */ - { - { "incb", Eb }, - { "decb", Eb }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - }, - /* GRP5 */ - { - { "incS", Ev }, - { "decS", Ev }, - { "call", indirEv }, - { "lcall", indirEv }, - { "jmp", indirEv }, - { "ljmp", indirEv }, - { "pushS", Ev }, - { "(bad)" }, - }, - /* GRP6 */ - { - { "sldt", Ew }, - { "str", Ew }, - { "lldt", Ew }, - { "ltr", Ew }, - { "verr", Ew }, - { "verw", Ew }, - { "(bad)" }, - { "(bad)" } - }, - /* GRP7 */ - { - { "sgdt", Ew }, - { "sidt", Ew }, - { "lgdt", Ew }, - { "lidt", Ew }, - { "smsw", Ew }, - { "(bad)" }, - { "lmsw", Ew }, - { "(bad)" }, - }, - /* GRP8 */ - { - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "btS", Ev, Ib }, - { "btsS", Ev, Ib }, - { "btrS", Ev, Ib }, - { "btcS", Ev, Ib }, - } -}; - -#define PREFIX_REPZ 1 -#define PREFIX_REPNZ 2 -#define PREFIX_LOCK 4 -#define PREFIX_CS 8 -#define PREFIX_SS 0x10 -#define PREFIX_DS 0x20 -#define PREFIX_ES 0x40 -#define PREFIX_FS 0x80 -#define PREFIX_GS 0x100 -#define PREFIX_DATA 0x200 -#define PREFIX_ADR 0x400 -#define PREFIX_FWAIT 0x800 - -static int prefixes; - -static void -ckprefix () -{ - prefixes = 0; - while (1) - { - switch (*codep) - { - case 0xf3: - prefixes |= PREFIX_REPZ; - break; - case 0xf2: - prefixes |= PREFIX_REPNZ; - break; - case 0xf0: - prefixes |= PREFIX_LOCK; - break; - case 0x2e: - prefixes |= PREFIX_CS; - break; - case 0x36: - prefixes |= PREFIX_SS; - break; - case 0x3e: - prefixes |= PREFIX_DS; - break; - case 0x26: - prefixes |= PREFIX_ES; - break; - case 0x64: - prefixes |= PREFIX_FS; - break; - case 0x65: - prefixes |= PREFIX_GS; - break; - case 0x66: - prefixes |= PREFIX_DATA; - break; - case 0x67: - prefixes |= PREFIX_ADR; - break; - case 0x9b: - prefixes |= PREFIX_FWAIT; - break; - default: - return; - } - codep++; - } -} - -static int dflag; -static int aflag; - -static char op1out[100], op2out[100], op3out[100]; -static int op_address[3], op_ad, op_index[3]; -static int start_pc; -extern void fputs_filtered (); - -/* - * disassemble the first instruction in 'inbuf'. You have to make - * sure all of the bytes of the instruction are filled in. - * On the 386's of 1988, the maximum length of an instruction is 15 bytes. - * (see topic "Redundant prefixes" in the "Differences from 8086" - * section of the "Virtual 8086 Mode" chapter.) - * 'pc' should be the address of this instruction, it will - * be used to print the target address if this is a relative jump or call - * 'outbuf' gets filled in with the disassembled instruction. it should - * be long enough to hold the longest disassembled instruction. - * 100 bytes is certainly enough, unless symbol printing is added later - * The function returns the length of this instruction in bytes. - */ - -int -i386dis (pc, inbuf, stream) - int pc; - unsigned char *inbuf; - FILE *stream; -{ - struct dis386 *dp; - int i; - int enter_instruction; - char *first, *second, *third; - int needcomma; - - obuf[0] = 0; - op1out[0] = 0; - op2out[0] = 0; - op3out[0] = 0; - - op_index[0] = op_index[1] = op_index[2] = -1; - - start_pc = pc; - start_codep = inbuf; - codep = inbuf; - - ckprefix (); - - if (*codep == 0xc8) - enter_instruction = 1; - else - enter_instruction = 0; - - obufp = obuf; - - if (prefixes & PREFIX_REPZ) - oappend ("repz "); - if (prefixes & PREFIX_REPNZ) - oappend ("repnz "); - if (prefixes & PREFIX_LOCK) - oappend ("lock "); - - if ((prefixes & PREFIX_FWAIT) - && ((*codep < 0xd8) || (*codep > 0xdf))) - { - /* fwait not followed by floating point instruction */ - fputs_filtered ("fwait", stream); - return (1); - } - - /* these would be initialized to 0 if disassembling for 8086 or 286 */ - dflag = 1; - aflag = 1; - - if (prefixes & PREFIX_DATA) - dflag ^= 1; - - if (prefixes & PREFIX_ADR) - { - aflag ^= 1; - oappend ("addr16 "); - } - - if (*codep == 0x0f) - dp = &dis386_twobyte[*++codep]; - else - dp = &dis386[*codep]; - codep++; - mod = (*codep >> 6) & 3; - reg = (*codep >> 3) & 7; - rm = *codep & 7; - - if (dp->name == NULL && dp->bytemode1 == FLOATCODE) - { - dofloat (); - } - else - { - if (dp->name == NULL) - dp = &grps[dp->bytemode1][reg]; - - putop (dp->name); - - obufp = op1out; - op_ad = 2; - if (dp->op1) - (*dp->op1)(dp->bytemode1); - - obufp = op2out; - op_ad = 1; - if (dp->op2) - (*dp->op2)(dp->bytemode2); - - obufp = op3out; - op_ad = 0; - if (dp->op3) - (*dp->op3)(dp->bytemode3); - } - - obufp = obuf + strlen (obuf); - for (i = strlen (obuf); i < 6; i++) - oappend (" "); - oappend (" "); - fputs_filtered (obuf, stream); - - /* enter instruction is printed with operands in the - * same order as the intel book; everything else - * is printed in reverse order - */ - if (enter_instruction) - { - first = op1out; - second = op2out; - third = op3out; - op_ad = op_index[0]; - op_index[0] = op_index[2]; - op_index[2] = op_ad; - } - else - { - first = op3out; - second = op2out; - third = op1out; - } - needcomma = 0; - if (*first) - { - if (op_index[0] != -1) - print_address (op_address[op_index[0]], stream); - else - fputs_filtered (first, stream); - needcomma = 1; - } - if (*second) - { - if (needcomma) - fputs_filtered (",", stream); - if (op_index[1] != -1) - print_address (op_address[op_index[1]], stream); - else - fputs_filtered (second, stream); - needcomma = 1; - } - if (*third) - { - if (needcomma) - fputs_filtered (",", stream); - if (op_index[2] != -1) - print_address (op_address[op_index[2]], stream); - else - fputs_filtered (third, stream); - } - return (codep - inbuf); -} - -char *float_mem[] = { - /* d8 */ - "fadds", - "fmuls", - "fcoms", - "fcomps", - "fsubs", - "fsubrs", - "fdivs", - "fdivrs", - /* d9 */ - "flds", - "(bad)", - "fsts", - "fstps", - "fldenv", - "fldcw", - "fNstenv", - "fNstcw", - /* da */ - "fiaddl", - "fimull", - "ficoml", - "ficompl", - "fisubl", - "fisubrl", - "fidivl", - "fidivrl", - /* db */ - "fildl", - "(bad)", - "fistl", - "fistpl", - "(bad)", - "fldt", - "(bad)", - "fstpt", - /* dc */ - "faddl", - "fmull", - "fcoml", - "fcompl", - "fsubl", - "fsubrl", - "fdivl", - "fdivrl", - /* dd */ - "fldl", - "(bad)", - "fstl", - "fstpl", - "frstor", - "(bad)", - "fNsave", - "fNstsw", - /* de */ - "fiadd", - "fimul", - "ficom", - "ficomp", - "fisub", - "fisubr", - "fidiv", - "fidivr", - /* df */ - "fild", - "(bad)", - "fist", - "fistp", - "fbld", - "fildll", - "fbstp", - "fistpll", -}; - -#define ST OP_ST, 0 -#define STi OP_STi, 0 -int OP_ST(), OP_STi(); - -#define FGRPd9_2 NULL, NULL, 0 -#define FGRPd9_4 NULL, NULL, 1 -#define FGRPd9_5 NULL, NULL, 2 -#define FGRPd9_6 NULL, NULL, 3 -#define FGRPd9_7 NULL, NULL, 4 -#define FGRPda_5 NULL, NULL, 5 -#define FGRPdb_4 NULL, NULL, 6 -#define FGRPde_3 NULL, NULL, 7 -#define FGRPdf_4 NULL, NULL, 8 - -struct dis386 float_reg[][8] = { - /* d8 */ - { - { "fadd", ST, STi }, - { "fmul", ST, STi }, - { "fcom", STi }, - { "fcomp", STi }, - { "fsub", ST, STi }, - { "fsubr", ST, STi }, - { "fdiv", ST, STi }, - { "fdivr", ST, STi }, - }, - /* d9 */ - { - { "fld", STi }, - { "fxch", STi }, - { FGRPd9_2 }, - { "(bad)" }, - { FGRPd9_4 }, - { FGRPd9_5 }, - { FGRPd9_6 }, - { FGRPd9_7 }, - }, - /* da */ - { - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { FGRPda_5 }, - { "(bad)" }, - { "(bad)" }, - }, - /* db */ - { - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { FGRPdb_4 }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - }, - /* dc */ - { - { "fadd", STi, ST }, - { "fmul", STi, ST }, - { "(bad)" }, - { "(bad)" }, - { "fsub", STi, ST }, - { "fsubr", STi, ST }, - { "fdiv", STi, ST }, - { "fdivr", STi, ST }, - }, - /* dd */ - { - { "ffree", STi }, - { "(bad)" }, - { "fst", STi }, - { "fstp", STi }, - { "fucom", STi }, - { "fucomp", STi }, - { "(bad)" }, - { "(bad)" }, - }, - /* de */ - { - { "faddp", STi, ST }, - { "fmulp", STi, ST }, - { "(bad)" }, - { FGRPde_3 }, - { "fsubp", STi, ST }, - { "fsubrp", STi, ST }, - { "fdivp", STi, ST }, - { "fdivrp", STi, ST }, - }, - /* df */ - { - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - { FGRPdf_4 }, - { "(bad)" }, - { "(bad)" }, - { "(bad)" }, - }, -}; - - -char *fgrps[][8] = { - /* d9_2 0 */ - { - "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* d9_4 1 */ - { - "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", - }, - - /* d9_5 2 */ - { - "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", - }, - - /* d9_6 3 */ - { - "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", - }, - - /* d9_7 4 */ - { - "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", - }, - - /* da_5 5 */ - { - "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* db_4 6 */ - { - "feni(287 only)","fdisi(287 only)","fNclex","fNinit", - "fNsetpm(287 only)","(bad)","(bad)","(bad)", - }, - - /* de_3 7 */ - { - "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* df_4 8 */ - { - "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, -}; - -static void -dofloat () -{ - struct dis386 *dp; - unsigned char floatop; - - floatop = codep[-1]; - - if (mod != 3) - { - putop (float_mem[(floatop - 0xd8) * 8 + reg]); - obufp = op1out; - OP_E (v_mode); - return; - } - codep++; - - dp = &float_reg[floatop - 0xd8][reg]; - if (dp->name == NULL) - { - putop (fgrps[dp->bytemode1][rm]); - /* instruction fnstsw is only one with strange arg */ - if (floatop == 0xdf && *codep == 0xe0) - strcpy (op1out, "%eax"); - } - else - { - putop (dp->name); - obufp = op1out; - if (dp->op1) - (*dp->op1)(dp->bytemode1); - obufp = op2out; - if (dp->op2) - (*dp->op2)(dp->bytemode2); - } -} - -/* ARGSUSED */ -int -OP_ST (ignore) - int ignore; -{ - oappend ("%st"); - return (0); -} - -/* ARGSUSED */ -int -OP_STi (ignore) - int ignore; -{ - sprintf (scratchbuf, "%%st(%d)", rm); - oappend (scratchbuf); - return (0); -} - - -/* capital letters in template are macros */ -static void -putop (template) - char *template; -{ - char *p; - - for (p = template; *p; p++) - { - switch (*p) - { - default: - *obufp++ = *p; - break; - case 'C': /* For jcxz/jecxz */ - if (aflag == 0) - *obufp++ = 'e'; - break; - case 'N': - if ((prefixes & PREFIX_FWAIT) == 0) - *obufp++ = 'n'; - break; - case 'S': - /* operand size flag */ - if (dflag) - *obufp++ = 'l'; - else - *obufp++ = 'w'; - break; - } - } - *obufp = 0; -} - -static void -oappend (s) - char *s; -{ - strcpy (obufp, s); - obufp += strlen (s); - *obufp = 0; -} - -static void -append_prefix () -{ - if (prefixes & PREFIX_CS) - oappend ("%cs:"); - if (prefixes & PREFIX_DS) - oappend ("%ds:"); - if (prefixes & PREFIX_SS) - oappend ("%ss:"); - if (prefixes & PREFIX_ES) - oappend ("%es:"); - if (prefixes & PREFIX_FS) - oappend ("%fs:"); - if (prefixes & PREFIX_GS) - oappend ("%gs:"); -} - -int -OP_indirE (bytemode) - int bytemode; -{ - oappend ("*"); - OP_E (bytemode); - return (0); -} - -int -OP_E (bytemode) - int bytemode; -{ - int disp; - int havesib; - int base; - int index; - int scale; - int havebase; - - /* skip mod/rm byte */ - codep++; - - havesib = 0; - havebase = 0; - disp = 0; - - if (mod == 3) - { - switch (bytemode) - { - case b_mode: - oappend (names8[rm]); - break; - case w_mode: - oappend (names16[rm]); - break; - case v_mode: - if (dflag) - oappend (names32[rm]); - else - oappend (names16[rm]); - break; - default: - oappend (""); - break; - } - return (0); - } - - append_prefix (); - if (rm == 4) - { - havesib = 1; - havebase = 1; - scale = (*codep >> 6) & 3; - index = (*codep >> 3) & 7; - base = *codep & 7; - codep++; - } - - switch (mod) - { - case 0: - switch (rm) - { - case 4: - /* implies havesib and havebase */ - if (base == 5) { - havebase = 0; - disp = get32 (); - } - break; - case 5: - disp = get32 (); - break; - default: - havebase = 1; - base = rm; - break; - } - break; - case 1: - disp = *(char *)codep++; - if (rm != 4) - { - havebase = 1; - base = rm; - } - break; - case 2: - disp = get32 (); - if (rm != 4) - { - havebase = 1; - base = rm; - } - break; - } - - if (mod != 0 || rm == 5 || (havesib && base == 5)) - { - sprintf (scratchbuf, "0x%x", disp); - oappend (scratchbuf); - } - - if (havebase || havesib) - { - oappend ("("); - if (havebase) - oappend (names32[base]); - if (havesib) - { - if (index != 4) - { - sprintf (scratchbuf, ",%s", names32[index]); - oappend (scratchbuf); - } - sprintf (scratchbuf, ",%d", 1 << scale); - oappend (scratchbuf); - } - oappend (")"); - } - return (0); -} - -int -OP_G (bytemode) - int bytemode; -{ - switch (bytemode) - { - case b_mode: - oappend (names8[reg]); - break; - case w_mode: - oappend (names16[reg]); - break; - case d_mode: - oappend (names32[reg]); - break; - case v_mode: - if (dflag) - oappend (names32[reg]); - else - oappend (names16[reg]); - break; - default: - oappend (""); - break; - } - return (0); -} - -static int -get32 () -{ - int x = 0; - - x = *codep++ & 0xff; - x |= (*codep++ & 0xff) << 8; - x |= (*codep++ & 0xff) << 16; - x |= (*codep++ & 0xff) << 24; - return (x); -} - -static int -get16 () -{ - int x = 0; - - x = *codep++ & 0xff; - x |= (*codep++ & 0xff) << 8; - return (x); -} - -static void -set_op (op) - int op; -{ - op_index[op_ad] = op_ad; - op_address[op_ad] = op; -} - -int -OP_REG (code) - int code; -{ - char *s; - - switch (code) - { - case indir_dx_reg: s = "(%dx)"; break; - case ax_reg: case cx_reg: case dx_reg: case bx_reg: - case sp_reg: case bp_reg: case si_reg: case di_reg: - s = names16[code - ax_reg]; - break; - case es_reg: case ss_reg: case cs_reg: - case ds_reg: case fs_reg: case gs_reg: - s = names_seg[code - es_reg]; - break; - case al_reg: case ah_reg: case cl_reg: case ch_reg: - case dl_reg: case dh_reg: case bl_reg: case bh_reg: - s = names8[code - al_reg]; - break; - case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: - case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: - if (dflag) - s = names32[code - eAX_reg]; - else - s = names16[code - eAX_reg]; - break; - default: - s = ""; - break; - } - oappend (s); - return (0); -} - -int -OP_I (bytemode) - int bytemode; -{ - int op; - - switch (bytemode) - { - case b_mode: - op = *codep++ & 0xff; - break; - case v_mode: - if (dflag) - op = get32 (); - else - op = get16 (); - break; - case w_mode: - op = get16 (); - break; - default: - oappend (""); - return (0); - } - sprintf (scratchbuf, "$0x%x", op); - oappend (scratchbuf); - return (0); -} - -int -OP_sI (bytemode) - int bytemode; -{ - int op; - - switch (bytemode) - { - case b_mode: - op = *(char *)codep++; - break; - case v_mode: - if (dflag) - op = get32 (); - else - op = (short)get16(); - break; - case w_mode: - op = (short)get16 (); - break; - default: - oappend (""); - return (0); - } - sprintf (scratchbuf, "$0x%x", op); - oappend (scratchbuf); - return (0); -} - -int -OP_J (bytemode) - int bytemode; -{ - int disp; - int mask = -1; - - switch (bytemode) - { - case b_mode: - disp = *(char *)codep++; - break; - case v_mode: - if (dflag) - disp = get32 (); - else - { - disp = (short)get16 (); - /* for some reason, a data16 prefix on a jump instruction - means that the pc is masked to 16 bits after the - displacement is added! */ - mask = 0xffff; - } - break; - default: - oappend (""); - return (0); - } - disp = (start_pc + codep - start_codep + disp) & mask; - set_op (disp); - sprintf (scratchbuf, "0x%x", disp); - oappend (scratchbuf); - return (0); -} - -/* ARGSUSED */ -int -OP_SEG (dummy) - int dummy; -{ - static char *sreg[] = { - "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", - }; - - oappend (sreg[reg]); - return (0); -} - -int -OP_DIR (size) - int size; -{ - int seg, offset; - - switch (size) - { - case lptr: - if (aflag) - { - offset = get32 (); - seg = get16 (); - } - else - { - offset = get16 (); - seg = get16 (); - } - sprintf (scratchbuf, "0x%x,0x%x", seg, offset); - oappend (scratchbuf); - break; - case v_mode: - if (aflag) - offset = get32 (); - else - offset = (short)get16 (); - - offset = start_pc + codep - start_codep + offset; - set_op (offset); - sprintf (scratchbuf, "0x%x", offset); - oappend (scratchbuf); - break; - default: - oappend (""); - break; - } - return (0); -} - -/* ARGSUSED */ -int -OP_OFF (bytemode) - int bytemode; -{ - int off; - - if (aflag) - off = get32 (); - else - off = get16 (); - - sprintf (scratchbuf, "0x%x", off); - oappend (scratchbuf); - return (0); -} - -/* ARGSUSED */ -int -OP_ESDI (dummy) - int dummy; -{ - oappend ("%es:("); - oappend (aflag ? "%edi" : "%di"); - oappend (")"); - return (0); -} - -/* ARGSUSED */ -int -OP_DSSI (dummy) - int dummy; -{ - oappend ("%ds:("); - oappend (aflag ? "%esi" : "%si"); - oappend (")"); - return (0); -} - -/* ARGSUSED */ -int -OP_ONE (dummy) - int dummy; -{ - oappend ("1"); - return (0); -} - -/* ARGSUSED */ -int -OP_C (dummy) - int dummy; -{ - codep++; /* skip mod/rm */ - sprintf (scratchbuf, "%%cr%d", reg); - oappend (scratchbuf); - return (0); -} - -/* ARGSUSED */ -int -OP_D (dummy) - int dummy; -{ - codep++; /* skip mod/rm */ - sprintf (scratchbuf, "%%db%d", reg); - oappend (scratchbuf); - return (0); -} - -/* ARGSUSED */ -int -OP_T (dummy) - int dummy; -{ - codep++; /* skip mod/rm */ - sprintf (scratchbuf, "%%tr%d", reg); - oappend (scratchbuf); - return (0); -} - -int -OP_rm (bytemode) - int bytemode; -{ - switch (bytemode) - { - case d_mode: - oappend (names32[rm]); - break; - case w_mode: - oappend (names16[rm]); - break; - } - return (0); -} - #define MAXLEN 20 + +/* Print the m68k instruction at address MEMADDR in debugged memory, + on STREAM. Returns length of the instruction, in bytes. */ int print_insn (memaddr, stream) @@ -1889,9 +31,15 @@ print_insn (memaddr, stream) FILE *stream; { unsigned char buffer[MAXLEN]; - - read_memory (memaddr, (char *) buffer, MAXLEN); - - return (i386dis ((int)memaddr, buffer, stream)); -} + register int i; + register unsigned char *p; + register char *d; + register int bestmask; + int best; + disassemble_info info; + GDB_INIT_DISASSEMBLE_INFO(info, stream); + + read_memory (memaddr, (char *) buffer, MAXLEN); + return print_insn_i386 (memaddr, buffer, &info); +} diff --git a/gdb/ieee-float.c b/gdb/ieee-float.c deleted file mode 100644 index 1764368fc5..0000000000 --- a/gdb/ieee-float.c +++ /dev/null @@ -1,149 +0,0 @@ -/* IEEE floating point support routines, for GDB, the GNU Debugger. - Copyright (C) 1991 Free Software Foundation, Inc. - -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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "defs.h" -#include "ieee-float.h" -#include /* ldexp */ - -/* Convert an IEEE extended float to a double. - FROM is the address of the extended float. - Store the double in *TO. */ - -void -ieee_extended_to_double (ext_format, from, to) - const struct ext_format *ext_format; - char *from; - double *to; -{ - unsigned char *ufrom = (unsigned char *)from; - double dto; - unsigned long mant0, mant1, exponent; - - memcpy (&mant0, &from[MANBYTE_H], 4); - memcpy (&mant1, &from[MANBYTE_L], 4); - exponent = ((ufrom[EXPBYTE_H] & (unsigned char)~SIGNMASK) << 8) | ufrom[EXPBYTE_L]; - -#if 0 - /* We can't do anything useful with a NaN anyway, so ignore its - difference. It will end up as Infinity or something close. */ - if (exponent == EXT_EXP_NAN) { - /* We have a NaN source. */ - dto = 0.123456789; /* Not much else useful to do -- we don't know if - the host system even *has* NaNs, nor how to - generate an innocuous one if it does. */ - } else -#endif - if (exponent == 0 && mant0 == 0 && mant1 == 0) { - dto = 0; - } else { - /* Build the result algebraically. Might go infinite, underflow, etc; - who cares. */ - mant0 |= 0x80000000; - dto = ldexp ((double)mant0, exponent - EXT_EXP_BIAS - 31); - dto += ldexp ((double)mant1, exponent - EXT_EXP_BIAS - 31 - 32); - if (ufrom[EXPBYTE_H] & SIGNMASK) /* If negative... */ - dto = -dto; /* ...negate. */ - } - *to = dto; -} - -/* The converse: convert the double *FROM to an extended float - and store where TO points. */ - -void -double_to_ieee_extended (ext_format, from, to) - const struct ext_format *ext_format; - double *from; - char *to; -{ - double dfrom = *from; - unsigned long twolongs[2]; - unsigned long mant0, mant1, exponent; - unsigned char tobytes[8]; - - memset (to, 0, TOTALSIZE); - if (dfrom == 0) - return; /* Result is zero */ - if (dfrom != dfrom) { - /* From is NaN */ - to[EXPBYTE_H] = (unsigned char)(EXT_EXP_NAN >> 8); - to[EXPBYTE_L] = (unsigned char)EXT_EXP_NAN; - to[MANBYTE_H] = 1; /* Be sure it's not infinity, but NaN value is irrel */ - return; /* Result is NaN */ - } - if (dfrom < 0) - to[SIGNBYTE] |= SIGNMASK; /* Set negative sign */ - /* How to tell an infinity from an ordinary number? FIXME-someday */ - - /* The following code assumes that the host has IEEE doubles. FIXME-someday. - It also assumes longs are 32 bits! FIXME-someday. */ - memcpy (twolongs, from, 8); - memcpy (tobytes, from, 8); -#if HOST_BYTE_ORDER == BIG_ENDIAN - exponent = ((tobytes[1] & 0xF0) >> 4) | (tobytes[0] & 0x7F) << 4; - mant0 = (twolongs[0] << 11) | twolongs[1] >> 21; - mant1 = (twolongs[1] << 11); -#else - exponent = ((tobytes[6] & 0xF0) >> 4) | (tobytes[7] & 0x7F) << 4; - mant0 = (twolongs[1] << 11) | twolongs[0] >> 21; - mant1 = (twolongs[0] << 11); -#endif - - /* Fiddle with leading 1-bit, implied in double, explicit in extended. */ - if (exponent == 0) - mant0 &= 0x7FFFFFFF; - else - mant0 |= 0x80000000; - - exponent -= DBL_EXP_BIAS; /* Get integer exp */ - exponent += EXT_EXP_BIAS; /* Offset for extended */ - - /* OK, now store it in extended format. */ - to[EXPBYTE_H] |= (unsigned char)(exponent >> 8); /* Retain sign */ - to[EXPBYTE_L] = (unsigned char) exponent; - - memcpy (&to[MANBYTE_H], &mant0, 4); - memcpy (&to[MANBYTE_L], &mant1, 4); -} - - -#ifdef IEEE_DEBUG - -/* Test some numbers to see that extended/double conversion works for them. */ - -ieee_test (n) - int n; -{ - union { double d; int i[2]; } di; - double result; - int i; - char exten[16]; - extern struct ext_format ext_format_68881; - - for (i = 0; i < n; i++) { - di.i[0] = (random() << 16) | (random() & 0xffff); - di.i[1] = (random() << 16) | (random() & 0xffff); - double_to_ieee_extended (&ext_format_68881, &di.d, exten); - ieee_extended_to_double (&ext_format_68881, exten, &result); - if (di.d != result) - printf ("Differ: %x %x %g => %x %x %g\n", di.d, di.d, result, result); - } -} - -#endif diff --git a/gdb/ieee-float.h b/gdb/ieee-float.h deleted file mode 100644 index e59c0f929e..0000000000 --- a/gdb/ieee-float.h +++ /dev/null @@ -1,63 +0,0 @@ -/* IEEE floating point support declarations, for GDB, the GNU Debugger. - Copyright (C) 1991 Free Software Foundation, Inc. - -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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#if !defined (IEEE_FLOAT_H) -#define IEEE_FLOAT_H 1 - -/* Parameters for extended float format: */ - -struct ext_format { - unsigned totalsize; /* Total size of extended number */ - unsigned signbyte; /* Byte number of sign bit */ - unsigned char signmask; /* Mask for sign bit */ - unsigned expbyte_h; /* High byte of exponent */ - unsigned expbyte_l; /* Low byte of exponent */ - unsigned manbyte_h; /* High byte of mantissa */ - unsigned manbyte_l; /* Low byte of mantissa */ -}; - -#define TOTALSIZE ext_format->totalsize -#define SIGNBYTE ext_format->signbyte -#define SIGNMASK ext_format->signmask -#define EXPBYTE_H ext_format->expbyte_h -#define EXPBYTE_L ext_format->expbyte_l -#define MANBYTE_H ext_format->manbyte_h -#define MANBYTE_L ext_format->manbyte_l - -/* Actual ext_format structs for various machines are in the *-tdep.c file - for each machine. */ - -#define EXT_EXP_NAN 0x7FFF /* Exponent value that indicates NaN */ -#define EXT_EXP_BIAS 0x3FFF /* Amount added to "true" exponent for ext */ -#define DBL_EXP_BIAS 0x3FF /* Ditto, for doubles */ - -/* Convert an IEEE extended float to a double. - FROM is the address of the extended float. - Store the double in *TO. */ - -extern void -ieee_extended_to_double PARAMS ((const struct ext_format *, char *, double *)); - -/* The converse: convert the double *FROM to an extended float - and store where TO points. */ - -extern void -double_to_ieee_extended PARAMS ((const struct ext_format *, double *, char *)); - -#endif /* defined (IEEE_FLOAT_H) */ diff --git a/gdb/m68k-pinsn.c b/gdb/m68k-pinsn.c index b67f5ccfb3..13d5bfe5f8 100644 --- a/gdb/m68k-pinsn.c +++ b/gdb/m68k-pinsn.c @@ -18,71 +18,10 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" -#include "symtab.h" -#include "gdbcore.h" -#include "ieee-float.h" - -/* Opcode/m68k.h is a massive table. As a kludge, break it up into - two pieces. This makes nonportable C -- FIXME -- it assumes that - two data items declared near each other will be contiguous in - memory. This kludge can be removed, FIXME, when GCC is fixed to not - be a hog about initializers. */ - -#ifdef __GNUC__ -#define BREAK_UP_BIG_DECL }; \ - struct m68k_opcode m68k_opcodes_2[] = { -#define AND_OTHER_PART sizeof (m68k_opcodes_2) -#endif - -#include "opcode/m68k.h" - - -/* Local function prototypes */ - -static int -fetch_arg PARAMS ((unsigned char *, int, int)); - -static void -print_base PARAMS ((int, int, FILE *)); - -static unsigned char * -print_indexed PARAMS ((int, unsigned char *, CORE_ADDR, FILE *)); - -static unsigned char * -print_insn_arg PARAMS ((char *, unsigned char *, unsigned char *, CORE_ADDR, - FILE *)); +#include "dis-asm.h" /* 68k instructions are never longer than this many bytes. */ #define MAXLEN 22 - -const char * const fpcr_names[] = { - "", "fpiar", "fpsr", "fpiar/fpsr", "fpcr", - "fpiar/fpcr", "fpsr/fpcr", "fpiar/fpsr/fpcr"}; - -/* Define accessors for 68K's 1, 2, and 4-byte signed quantities. - The _SHIFT values move the quantity to the high order end of an - `int' value, so it will sign-extend. Probably a few more casts - are needed to make it compile without warnings on finicky systems. */ -#define BITS_PER_BYTE 8 -#define BYTE_SHIFT (BITS_PER_BYTE * ((sizeof (int)) - 1)) -#define WORD_SHIFT (BITS_PER_BYTE * ((sizeof (int)) - 2)) -#define LONG_SHIFT (BITS_PER_BYTE * ((sizeof (int)) - 4)) - -#define NEXTBYTE(p) (p += 2, ((int)(p[-1]) << BYTE_SHIFT) >> BYTE_SHIFT) - -#define NEXTWORD(p) \ - (p += 2, (((int)((p[-2] << 8) + p[-1])) << WORD_SHIFT) >> WORD_SHIFT) - -#define NEXTLONG(p) \ - (p += 4, (((int)((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])) \ - << LONG_SHIFT) >> LONG_SHIFT) - -/* Ecch -- assumes host == target float formats. FIXME. */ -#define NEXTSINGLE(p) \ - (p += 4, *((float *)(p - 4))) - -#define NEXTDOUBLE(p) \ - (p += 8, *((double *)(p - 8))) /* Print the m68k instruction at address MEMADDR in debugged memory, on STREAM. Returns length of the instruction, in bytes. */ @@ -98,742 +37,10 @@ print_insn (memaddr, stream) register char *d; register int bestmask; int best; + disassemble_info info; + + GDB_INIT_DISASSEMBLE_INFO(info, stream); read_memory (memaddr, (char *) buffer, MAXLEN); - - bestmask = 0; - best = -1; - for (i = 0; i < numopcodes; i++) - { - register unsigned int opcode = m68k_opcodes[i].opcode; - register unsigned int match = m68k_opcodes[i].match; - if (((0xff & buffer[0] & (match >> 24)) == (0xff & (opcode >> 24))) - && ((0xff & buffer[1] & (match >> 16)) == (0xff & (opcode >> 16))) - && ((0xff & buffer[2] & (match >> 8)) == (0xff & (opcode >> 8))) - && ((0xff & buffer[3] & match) == (0xff & opcode))) - { - /* Don't use for printout the variants of divul and divsl - that have the same register number in two places. - The more general variants will match instead. */ - for (d = m68k_opcodes[i].args; *d; d += 2) - if (d[1] == 'D') - break; - - /* Don't use for printout the variants of most floating - point coprocessor instructions which use the same - register number in two places, as above. */ - if (*d == 0) - for (d = m68k_opcodes[i].args; *d; d += 2) - if (d[1] == 't') - break; - - if (*d == 0 && match > bestmask) - { - best = i; - bestmask = match; - } - } - } - - /* Handle undefined instructions. */ - if (best < 0) - { - fprintf_filtered (stream, "0%o", (buffer[0] << 8) + buffer[1]); - return 2; - } - - fprintf_filtered (stream, "%s", m68k_opcodes[best].name); - - /* Point at first word of argument data, - and at descriptor for first argument. */ - p = buffer + 2; - - /* Why do this this way? -MelloN */ - for (d = m68k_opcodes[best].args; *d; d += 2) - { - if (d[0] == '#') - { - if (d[1] == 'l' && p - buffer < 6) - p = buffer + 6; - else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8' ) - p = buffer + 4; - } - if (d[1] >= '1' && d[1] <= '3' && p - buffer < 4) - p = buffer + 4; - if (d[1] >= '4' && d[1] <= '6' && p - buffer < 6) - p = buffer + 6; - if ((d[0] == 'L' || d[0] == 'l') && d[1] == 'w' && p - buffer < 4) - p = buffer + 4; - } - - d = m68k_opcodes[best].args; - - if (*d) - fputs_filtered (" ", stream); - - while (*d) - { - p = print_insn_arg (d, buffer, p, memaddr + p - buffer, stream); - d += 2; - if (*d && *(d - 2) != 'I' && *d != 'k') - fputs_filtered (",", stream); - } - return p - buffer; -} - -static unsigned char * -print_insn_arg (d, buffer, p, addr, stream) - char *d; - unsigned char *buffer; - register unsigned char *p; - CORE_ADDR addr; /* PC for this arg to be relative to */ - FILE *stream; -{ - register int val; - register int place = d[1]; - int regno; - register const char *regname; - register unsigned char *p1; - double flval; - int flt_p; - - switch (*d) - { - case 'c': /* cache identifier */ - { - static char *cacheFieldName[] = { "NOP", "dc", "ic", "bc" }; - val = fetch_arg (buffer, place, 2); - fprintf_filtered (stream, cacheFieldName[val]); - break; - } - - case 'a': /* address register indirect only. Cf. case '+'. */ - { - fprintf_filtered (stream, - "%s@", - reg_names [fetch_arg (buffer, place, 3) + 8]); - break; - } - - case '_': /* 32-bit absolute address for move16. */ - { - val = NEXTLONG (p); - fprintf_filtered (stream, "@#"); - print_address (val, stream); - break; - } - - case 'C': - fprintf_filtered (stream, "ccr"); - break; - - case 'S': - fprintf_filtered (stream, "sr"); - break; - - case 'U': - fprintf_filtered (stream, "usp"); - break; - - case 'J': - { - static struct { char *name; int value; } names[] - = {{"sfc", 0x000}, {"dfc", 0x001}, {"cacr", 0x002}, - {"tc", 0x003}, {"itt0",0x004}, {"itt1", 0x005}, - {"dtt0",0x006}, {"dtt1",0x007}, - {"usp", 0x800}, {"vbr", 0x801}, {"caar", 0x802}, - {"msp", 0x803}, {"isp", 0x804}, {"mmusr",0x805}, - {"urp", 0x806}, {"srp", 0x807}}; - - val = fetch_arg (buffer, place, 12); - for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--) - if (names[regno].value == val) - { - fprintf_filtered (stream, names[regno].name); - break; - } - if (regno < 0) - fprintf_filtered (stream, "%d", val); - } - break; - - case 'Q': - val = fetch_arg (buffer, place, 3); - /* 0 means 8, except for the bkpt instruction... */ - if (val == 0 && d[1] != 's') - val = 8; - fprintf_filtered (stream, "#%d", val); - break; - - case 'M': - val = fetch_arg (buffer, place, 8); - if (val & 0x80) - val = val - 0x100; - fprintf_filtered (stream, "#%d", val); - break; - - case 'T': - val = fetch_arg (buffer, place, 4); - fprintf_filtered (stream, "#%d", val); - break; - - case 'D': - fprintf_filtered (stream, "%s", reg_names[fetch_arg (buffer, place, 3)]); - break; - - case 'A': - fprintf_filtered (stream, "%s", - reg_names[fetch_arg (buffer, place, 3) + 010]); - break; - - case 'R': - fprintf_filtered (stream, "%s", reg_names[fetch_arg (buffer, place, 4)]); - break; - - case 'r': - fprintf_filtered (stream, "%s@", reg_names[fetch_arg (buffer, place, 4)]); - break; - - case 'F': - fprintf_filtered (stream, "fp%d", fetch_arg (buffer, place, 3)); - break; - - case 'O': - val = fetch_arg (buffer, place, 6); - if (val & 0x20) - fprintf_filtered (stream, "%s", reg_names [val & 7]); - else - fprintf_filtered (stream, "%d", val); - break; - - case '+': - fprintf_filtered (stream, "%s@+", - reg_names[fetch_arg (buffer, place, 3) + 8]); - break; - - case '-': - fprintf_filtered (stream, "%s@-", - reg_names[fetch_arg (buffer, place, 3) + 8]); - break; - - case 'k': - if (place == 'k') - fprintf_filtered (stream, "{%s}", reg_names[fetch_arg (buffer, place, 3)]); - else if (place == 'C') - { - val = fetch_arg (buffer, place, 7); - if ( val > 63 ) /* This is a signed constant. */ - val -= 128; - fprintf_filtered (stream, "{#%d}", val); - } - else - error ("Invalid arg format in opcode table: \"%c%c\".", - *d, place); - break; - - case '#': - case '^': - p1 = buffer + (*d == '#' ? 2 : 4); - if (place == 's') - val = fetch_arg (buffer, place, 4); - else if (place == 'C') - val = fetch_arg (buffer, place, 7); - else if (place == '8') - val = fetch_arg (buffer, place, 3); - else if (place == '3') - val = fetch_arg (buffer, place, 8); - else if (place == 'b') - val = NEXTBYTE (p1); - else if (place == 'w') - val = NEXTWORD (p1); - else if (place == 'l') - val = NEXTLONG (p1); - else - error ("Invalid arg format in opcode table: \"%c%c\".", - *d, place); - fprintf_filtered (stream, "#%d", val); - break; - - case 'B': - if (place == 'b') - val = NEXTBYTE (p); - else if (place == 'B') - val = NEXTBYTE (buffer); /* from the opcode word */ - else if (place == 'w' || place == 'W') - val = NEXTWORD (p); - else if (place == 'l' || place == 'L') - val = NEXTLONG (p); - else if (place == 'g') - { - val = NEXTBYTE (buffer); - if (val == 0) - val = NEXTWORD (p); - else if (val == -1) - val = NEXTLONG (p); - } - else if (place == 'c') - { - if (buffer[1] & 0x40) /* If bit six is one, long offset */ - val = NEXTLONG (p); - else - val = NEXTWORD (p); - } - else - error ("Invalid arg format in opcode table: \"%c%c\".", - *d, place); - - print_address (addr + val, stream); - break; - - case 'd': - val = NEXTWORD (p); - fprintf_filtered (stream, "%s@(%d)", - reg_names[fetch_arg (buffer, place, 3)], val); - break; - - case 's': - fprintf_filtered (stream, "%s", - fpcr_names[fetch_arg (buffer, place, 3)]); - break; - - case 'I': - val = fetch_arg (buffer, 'd', 3); /* Get coprocessor ID... */ - if (val != 1) /* Unusual coprocessor ID? */ - fprintf_filtered (stream, "(cpid=%d) ", val); - if (place == 'i') - p += 2; /* Skip coprocessor extended operands */ - break; - - case '*': - case '~': - case '%': - case ';': - case '@': - case '!': - case '$': - case '?': - case '/': - case '&': - case '`': - - if (place == 'd') - { - val = fetch_arg (buffer, 'x', 6); - val = ((val & 7) << 3) + ((val >> 3) & 7); - } - else - val = fetch_arg (buffer, 's', 6); - - /* Get register number assuming address register. */ - regno = (val & 7) + 8; - regname = reg_names[regno]; - switch (val >> 3) - { - case 0: - fprintf_filtered (stream, "%s", reg_names[val]); - break; - - case 1: - fprintf_filtered (stream, "%s", regname); - break; - - case 2: - fprintf_filtered (stream, "%s@", regname); - break; - - case 3: - fprintf_filtered (stream, "%s@+", regname); - break; - - case 4: - fprintf_filtered (stream, "%s@-", regname); - break; - - case 5: - val = NEXTWORD (p); - fprintf_filtered (stream, "%s@(%d)", regname, val); - break; - - case 6: - p = print_indexed (regno, p, addr, stream); - break; - - case 7: - switch (val & 7) - { - case 0: - val = NEXTWORD (p); - fprintf_filtered (stream, "@#"); - print_address (val, stream); - break; - - case 1: - val = NEXTLONG (p); - fprintf_filtered (stream, "@#"); - print_address (val, stream); - break; - - case 2: - val = NEXTWORD (p); - print_address (addr + val, stream); - break; - - case 3: - p = print_indexed (-1, p, addr, stream); - break; - - case 4: - flt_p = 1; /* Assume it's a float... */ - switch( place ) - { - case 'b': - val = NEXTBYTE (p); - flt_p = 0; - break; - - case 'w': - val = NEXTWORD (p); - flt_p = 0; - break; - - case 'l': - val = NEXTLONG (p); - flt_p = 0; - break; - - case 'f': - flval = NEXTSINGLE(p); - break; - - case 'F': - flval = NEXTDOUBLE(p); - break; - -#ifdef HAVE_68881 - case 'x': - ieee_extended_to_double (&ext_format_68881, - (char *)p, &flval); - p += 12; - break; -#endif - - case 'p': - p += 12; - flval = 0; /* FIXME, handle packed decimal someday. */ - break; - - default: - error ("Invalid arg format in opcode table: \"%c%c\".", - *d, place); - } - if ( flt_p ) /* Print a float? */ - fprintf_filtered (stream, "#%g", flval); - else - fprintf_filtered (stream, "#%d", val); - break; - - default: - fprintf_filtered (stream, "", val); - } - } - break; - - case 'L': - case 'l': - if (place == 'w') - { - char doneany; - p1 = buffer + 2; - val = NEXTWORD (p1); - /* Move the pointer ahead if this point is farther ahead - than the last. */ - p = p1 > p ? p1 : p; - if (val == 0) - { - fputs_filtered ("#0", stream); - break; - } - if (*d == 'l') - { - register int newval = 0; - for (regno = 0; regno < 16; ++regno) - if (val & (0x8000 >> regno)) - newval |= 1 << regno; - val = newval; - } - val &= 0xffff; - doneany = 0; - for (regno = 0; regno < 16; ++regno) - if (val & (1 << regno)) - { - int first_regno; - if (doneany) - fputs_filtered ("/", stream); - doneany = 1; - fprintf_filtered (stream, "%s", reg_names[regno]); - first_regno = regno; - while (val & (1 << (regno + 1))) - ++regno; - if (regno > first_regno) - fprintf_filtered (stream, "-%s", reg_names[regno]); - } - } - else if (place == '3') - { - /* `fmovem' insn. */ - char doneany; - val = fetch_arg (buffer, place, 8); - if (val == 0) - { - fputs_filtered ("#0", stream); - break; - } - if (*d == 'l') - { - register int newval = 0; - for (regno = 0; regno < 8; ++regno) - if (val & (0x80 >> regno)) - newval |= 1 << regno; - val = newval; - } - val &= 0xff; - doneany = 0; - for (regno = 0; regno < 8; ++regno) - if (val & (1 << regno)) - { - int first_regno; - if (doneany) - fputs_filtered ("/", stream); - doneany = 1; - fprintf_filtered (stream, "fp%d", regno); - first_regno = regno; - while (val & (1 << (regno + 1))) - ++regno; - if (regno > first_regno) - fprintf_filtered (stream, "-fp%d", regno); - } - } - else - goto de_fault; - break; - - default: de_fault: - error ("Invalid arg format in opcode table: \"%c\".", *d); - } - - return (unsigned char *) p; -} - -/* Fetch BITS bits from a position in the instruction specified by CODE. - CODE is a "place to put an argument", or 'x' for a destination - that is a general address (mode and register). - BUFFER contains the instruction. */ - -static int -fetch_arg (buffer, code, bits) - unsigned char *buffer; - int code; - int bits; -{ - register int val; - switch (code) - { - case 's': - val = buffer[1]; - break; - - case 'd': /* Destination, for register or quick. */ - val = (buffer[0] << 8) + buffer[1]; - val >>= 9; - break; - - case 'x': /* Destination, for general arg */ - val = (buffer[0] << 8) + buffer[1]; - val >>= 6; - break; - - case 'k': - val = (buffer[3] >> 4); - break; - - case 'C': - val = buffer[3]; - break; - - case '1': - val = (buffer[2] << 8) + buffer[3]; - val >>= 12; - break; - - case '2': - val = (buffer[2] << 8) + buffer[3]; - val >>= 6; - break; - - case '3': - case 'j': - val = (buffer[2] << 8) + buffer[3]; - break; - - case '4': - val = (buffer[4] << 8) + buffer[5]; - val >>= 12; - break; - - case '5': - val = (buffer[4] << 8) + buffer[5]; - val >>= 6; - break; - - case '6': - val = (buffer[4] << 8) + buffer[5]; - break; - - case '7': - val = (buffer[2] << 8) + buffer[3]; - val >>= 7; - break; - - case '8': - val = (buffer[2] << 8) + buffer[3]; - val >>= 10; - break; - - case 'e': - val = (buffer[1] >> 6); - break; - - default: - abort (); - } - - switch (bits) - { - case 2: - return val & 3; - case 3: - return val & 7; - case 4: - return val & 017; - case 5: - return val & 037; - case 6: - return val & 077; - case 7: - return val & 0177; - case 8: - return val & 0377; - case 12: - return val & 07777; - default: - abort (); - } -} - -/* Print an indexed argument. The base register is BASEREG (-1 for pc). - P points to extension word, in buffer. - ADDR is the nominal core address of that extension word. */ - -static unsigned char * -print_indexed (basereg, p, addr, stream) - int basereg; - unsigned char *p; - CORE_ADDR addr; - FILE *stream; -{ - register int word; - static char *scales[] = {"", "*2", "*4", "*8"}; - register int base_disp; - register int outer_disp; - char buf[40]; - - word = NEXTWORD (p); - - /* Generate the text for the index register. - Where this will be output is not yet determined. */ - sprintf (buf, "[%s.%c%s]", - reg_names[(word >> 12) & 0xf], - (word & 0x800) ? 'l' : 'w', - scales[(word >> 9) & 3]); - - /* Handle the 68000 style of indexing. */ - - if ((word & 0x100) == 0) - { - print_base (basereg, - ((word & 0x80) ? word | 0xff00 : word & 0xff) - + ((basereg == -1) ? addr : 0), - stream); - fputs_filtered (buf, stream); - return p; - } - - /* Handle the generalized kind. */ - /* First, compute the displacement to add to the base register. */ - - if (word & 0200) - basereg = -2; - if (word & 0100) - buf[0] = 0; - base_disp = 0; - switch ((word >> 4) & 3) - { - case 2: - base_disp = NEXTWORD (p); - break; - case 3: - base_disp = NEXTLONG (p); - } - if (basereg == -1) - base_disp += addr; - - /* Handle single-level case (not indirect) */ - - if ((word & 7) == 0) - { - print_base (basereg, base_disp, stream); - fputs_filtered (buf, stream); - return p; - } - - /* Two level. Compute displacement to add after indirection. */ - - outer_disp = 0; - switch (word & 3) - { - case 2: - outer_disp = NEXTWORD (p); - break; - case 3: - outer_disp = NEXTLONG (p); - } - - fprintf_filtered (stream, "%d(", outer_disp); - print_base (basereg, base_disp, stream); - - /* If postindexed, print the closeparen before the index. */ - if (word & 4) - fprintf_filtered (stream, ")%s", buf); - /* If preindexed, print the closeparen after the index. */ - else - fprintf_filtered (stream, "%s)", buf); - - return p; -} - -/* Print a base register REGNO and displacement DISP, on STREAM. - REGNO = -1 for pc, -2 for none (suppressed). */ - -static void -print_base (regno, disp, stream) - int regno; - int disp; - FILE *stream; -{ - if (regno == -2) - fprintf_filtered (stream, "%d", disp); - else if (regno == -1) - fprintf_filtered (stream, "0x%x", disp); - else - fprintf_filtered (stream, "%d(%s)", disp, reg_names[regno]); + return print_insn_m68k (memaddr, buffer, &info); } diff --git a/gdb/mips-pinsn.c b/gdb/mips-pinsn.c index c12278fb39..859451820e 100644 --- a/gdb/mips-pinsn.c +++ b/gdb/mips-pinsn.c @@ -32,10 +32,15 @@ print_insn (memaddr, stream) FILE *stream; { unsigned char buffer[MAXLEN]; + disassemble_info info; + + GDB_INIT_DISASSEMBLE_INFO(info, stream); read_memory (memaddr, buffer, MAXLEN); /* print_insn_mips is in opcodes/mips-dis.c. */ - return print_insn_mips (memaddr, buffer, stream, - TARGET_BYTE_ORDER == BIG_ENDIAN); + if (TARGET_BYTE_ORDER == BIG_ENDIAN) + print_insn_big_mips (memaddr, buffer, &info); + else + print_insn_little_mips (memaddr, buffer, &info); } diff --git a/gdb/z8k-tdep.c b/gdb/z8k-tdep.c index 73d4b55121..65f73f07ae 100644 --- a/gdb/z8k-tdep.c +++ b/gdb/z8k-tdep.c @@ -209,15 +209,18 @@ print_insn (memaddr, stream) FILE *stream; { char temp[20]; + disassemble_info info; + + GDB_INIT_DISASSEMBLE_INFO(info, stream); read_memory (memaddr, temp, 20); if (BIG) { - return print_insn_z8001 (memaddr, temp, stream); + return print_insn_z8001 (memaddr, temp, &info); } else { - return print_insn_z8002 (memaddr, temp, stream); + return print_insn_z8002 (memaddr, temp, &info); } }