mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
* m68k-pinsn.c: Removed. Subsumed by ../opcodes/m68k-dis.c.
* i386-pinsn.c: Removed. Subsumed by ../opcodes/i386-dis.c. * Makefile.in: Adjust accordingly. * objdump.c: Support new-style disassemblers (ones that use the interface of ../include/dis-asm.h).
This commit is contained in:
Per Bothner
parent
c840244e23
commit
2e8adbd7f4
@ -47,11 +47,9 @@ config
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copy.c
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filemode.c
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gmalloc.c
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i386-pinsn.c
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i960-pinsn.c
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is-ranlib.c
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is-strip.c
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m68k-pinsn.c
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maybe-ranlib.c
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maybe-strip.c
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nm.1
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@ -1,5 +1,15 @@
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Thu Mar 18 14:22:17 1993 Per Bothner (bothner@rtl.cygnus.com)
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* m68k-pinsn.c: Removed. Subsumed by ../opcodes/m68k-dis.c.
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* i386-pinsn.c: Removed. Subsumed by ../opcodes/i386-dis.c.
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* Makefile.in: Adjust accordingly.
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* objdump.c: Support new-style disassemblers (ones that use
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the interface of ../include/dis-asm.h).
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Thu Feb 25 15:57:00 1993 Per Bothner (bothner@rtl.cygnus.com)
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* Makefile.in: When making tar file, remove texinfo/*,
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except for texinfo/texinfo.tex.
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* ardup.c: Add extern declaration of strdup.
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* Makefile.in (testsuite): Add 'else true' since otherwise
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Ultrix /bin/sh complains.
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@ -112,7 +112,7 @@ INCLUDES = -I. -I$(srcdir) -I$(BASEDIR)/include -I$(BASEDIR)/bfd
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# When adding .o files, to make VPATH work in Sun Make, you have to
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# also add a foo.o: foo.c line at the bottom of the file.
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DISASMS = m68k-pinsn.o i960-pinsn.o i386-pinsn.o sparc-pinsn.o am29k-pinsn.o
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DISASMS = i960-pinsn.o sparc-pinsn.o am29k-pinsn.o
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#
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## Random definitions
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@ -179,7 +179,7 @@ $(NM_PROG): $(ADDL_LIBS) nm.o $(BFD)
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$(CC) $(LDFLAGS) $(CFLAGS) -o $(NM_PROG) nm.o $(ADDL_LIBS) $(LOADLIBES)
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$(OBJDUMP_PROG): $(ADDL_LIBS) size.o objdump.o $(DISASMS) $(BFD) $(OPCODES)
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$(CC) $(LDFLAGS) $(CFLAGS) -o $(OBJDUMP_PROG) objdump.o $(DISASMS) $(ADDL_LIBS) $(OPCODES) $(LOADLIBES)
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$(CC) $(LDFLAGS) $(CFLAGS) -o $(OBJDUMP_PROG) objdump.o $(DISASMS) $(OPCODES) $(ADDL_LIBS) $(LOADLIBES)
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$(DEMANGLER_PROG): $(LIBIBERTY_SRC_DIR)/cplus-dem.c
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$(CC) $(LDFLAGS) $(CFLAGS) $(INCLUDES) $(HDEFINES) $(TDEFINES) -DMAIN -o $(DEMANGLER_PROG) $(LIBIBERTY_SRC_DIR)/cplus-dem.c $(LIBIBERTY) $(LOADLIBES)
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@ -378,12 +378,15 @@ dist: $(DIST_NAME).tar.Z
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diststuff: $(DISTSTUFF)
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$(DIST_NAME).tar.Z:
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cd ..; chmod og=u `find . -print`
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cd ../..; rm -f $(DIST_NAME); ln -s devo $(DIST_NAME)
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make diststuff -f Makefile.in
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cd ../ld; make diststuff -f Makefile.in
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cd ../gprof; make diststuff -f Makefile.in
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cd ../texinfo; mv texinfo.tex ..; rm -rf *; mv ../texinfo.tex .
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# Take out texinfo from configurable dirs
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mv ../configure.in tmp; \
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sed -e '/^host_tools=/s/texinfo //' <tmp >../configure.in; rm tmp
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cd ..; chmod og=u `find . -print`
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cd ../..; tar chf - $(DIST_NAME) | compress >$(DIST_NAME).tar.Z
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rm -rf ../../$(DIST_NAME)
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@ -401,7 +404,6 @@ gmalloc.o:gmalloc.c
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i960-pinsn.o: i960-pinsn.c
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is-ranlib.o:is-ranlib.c
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is-strip.o:is-strip.c
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m68k-pinsn.o: m68k-pinsn.c
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maybe-ranlib.o:maybe-ranlib.c
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maybe-strip.o:maybe-strip.c
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nm.o: nm.c
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@ -410,7 +412,6 @@ not-strip.o:not-strip.c
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objdump.o: objdump.c
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size.o: size.c
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sparc-pinsn.o: sparc-pinsn.c
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i386-pinsn.o: i386-pinsn.c
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strip.o:strip.c
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version.o: $(srcdir)/version.c
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$(CC) $(CFLAGS) $(INCLUDES) $(HDEFINES) $(TDEFINES) -DVERSION='"$(VERSION)"' -c $(srcdir)/version.c
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@ -6,6 +6,8 @@ o - nm, objdump
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o - See also ../ld/TODO and ../bfd/TODO.
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o - ar q is flakey: e.g. doesn't handle long file names properly.
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OLD:
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o - make the long options more consistent.
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File diff suppressed because it is too large
Load Diff
@ -1,841 +0,0 @@
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/* Print m68k instructions for objdump
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Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
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This file is part of the binutils.
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The binutils are free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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The binutils are distributed in the hope that they will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the binutils; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include <stdio.h>
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#include "opcode/m68k.h"
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#ifndef GDB
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#define fprintf_filtered fprintf
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#define fputs_filtered fputs
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#endif
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/* Sign-extend an (unsigned char). */
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#if __STDC__ == 1
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#define COERCE_SIGNED_CHAR(ch) ((signed char)(ch))
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#else
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#define COERCE_SIGNED_CHAR(ch) ((int)(((ch) ^ 0x80) & 0xFF) - 128)
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#endif
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extern void print_address();
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/* 68k instructions are never longer than this many bytes. */
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#define MAXLEN 22
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/* Number of elements in the opcode table. */
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#define NOPCODES (sizeof m68k_opcodes / sizeof m68k_opcodes[0])
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extern char *reg_names[];
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char *fpcr_names[] = { "", "fpiar", "fpsr", "fpiar/fpsr", "fpcr",
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"fpiar/fpcr", "fpsr/fpcr", "fpiar/fpsr/fpcr"};
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char *reg_names[] = {"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp", "ps", "pc"};
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static unsigned char *print_insn_arg ();
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static unsigned char *print_indexed ();
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static void print_base ();
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static int fetch_arg ();
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#define NEXTBYTE(p) (p += 2, COERCE_SIGNED_CHAR(p[-1]))
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#define NEXTWORD(p) \
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(p += 2, ((((char *)p)[-2]) << 8) + p[-1])
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#define NEXTLONG(p) \
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(p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])
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/* NEXTSINGLE and NEXTDOUBLE handle alignment problems, but not
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* byte-swapping or other float format differences. FIXME! */
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union number {
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double d;
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float f;
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char c[10];
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};
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#define NEXTSINGLE(val, p) \
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{ int i; union number u;\
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for (i = 0; i < sizeof(float); i++) u.c[i] = *p++; \
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val = u.f; }
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#define NEXTDOUBLE(val, p) \
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{ int i; union number u;\
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for (i = 0; i < sizeof(double); i++) u.c[i] = *p++; \
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val = u.d; }
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#define NEXTEXTEND(p) \
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(p += 12, 0.0) /* Need a function to convert from extended to double
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precision... */
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#define NEXTPACKED(p) \
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(p += 12, 0.0) /* Need a function to convert from packed to double
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precision. Actually, it's easier to print a
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packed number than a double anyway, so maybe
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there should be a special case to handle this... */
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/* Print the m68k instruction at address MEMADDR in debugged memory,
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on STREAM. Returns length of the instruction, in bytes. */
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int
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print_insn_m68k(addr, buffer, stream)
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bfd_vma addr;
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unsigned char *buffer;
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FILE *stream;
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{
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register unsigned int i;
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register unsigned char *p;
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register char *d;
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register unsigned int bestmask;
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int best;
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bestmask = 0;
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best = -1;
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for (i = 0; i < NOPCODES; i++)
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{
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register unsigned int opcode = m68k_opcodes[i].opcode;
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register unsigned int match = m68k_opcodes[i].match;
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if (((0xff & buffer[0] & (match >> 24)) == (0xff & (opcode >> 24)))
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&& ((0xff & buffer[1] & (match >> 16)) == (0xff & (opcode >> 16)))
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&& ((0xff & buffer[2] & (match >> 8)) == (0xff & (opcode >> 8)))
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&& ((0xff & buffer[3] & match) == (0xff & opcode)))
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{
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/* Don't use for printout the variants of divul and divsl
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that have the same register number in two places.
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The more general variants will match instead. */
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for (d = m68k_opcodes[i].args; *d; d += 2)
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if (d[1] == 'D')
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break;
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/* Don't use for printout the variants of most floating
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point coprocessor instructions which use the same
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register number in two places, as above. */
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if (*d == 0)
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for (d = m68k_opcodes[i].args; *d; d += 2)
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if (d[1] == 't')
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break;
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if (*d == 0 && match > bestmask)
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{
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best = i;
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bestmask = match;
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}
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}
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}
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/* Handle undefined instructions. */
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if (best < 0)
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{
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fprintf_filtered (stream, "0%o", (unsigned) (buffer[0] << 8) + buffer[1]);
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return 2;
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}
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fprintf_filtered (stream, "%s", m68k_opcodes[best].name);
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/* Point at first word of argument data,
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and at descriptor for first argument. */
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p = buffer + 2;
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/* Why do this this way? -MelloN */
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for (d = m68k_opcodes[best].args; *d; d += 2)
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{
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if (d[0] == '#')
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{
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if (d[1] == 'l' && p - buffer < 6)
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p = buffer + 6;
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else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8' )
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p = buffer + 4;
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}
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if (d[1] >= '1' && d[1] <= '3' && p - buffer < 4)
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p = buffer + 4;
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if (d[1] >= '4' && d[1] <= '6' && p - buffer < 6)
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p = buffer + 6;
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if ((d[0] == 'L' || d[0] == 'l') && d[1] == 'w' && p - buffer < 4)
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p = buffer + 4;
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}
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||||
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d = m68k_opcodes[best].args;
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if (*d)
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fputs_filtered (" ", stream);
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|
||||
while (*d)
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{
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p = print_insn_arg (d, buffer, p, addr + p - buffer, stream);
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d += 2;
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if (*d && *(d - 2) != 'I' && *d != 'k')
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fputs_filtered (",", stream);
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}
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return p - buffer;
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||||
}
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||||
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||||
static unsigned char *
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print_insn_arg (d, buffer, p, addr, stream)
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char *d;
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||||
unsigned char *buffer;
|
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register unsigned char *p;
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||||
bfd_vma addr; /* PC for this arg to be relative to */
|
||||
FILE *stream;
|
||||
{
|
||||
register int val = 0;
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||||
register int place = d[1];
|
||||
int regno;
|
||||
register char *regname;
|
||||
register unsigned char *p1;
|
||||
register double flval = 0;
|
||||
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
|
||||
fprintf_filtered(stderr, "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
|
||||
fprintf_filtered(stderr, "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 = COERCE_SIGNED_CHAR(buffer[1]);
|
||||
else if (place == 'w' || place == 'W')
|
||||
val = NEXTWORD (p);
|
||||
else if (place == 'l' || place == 'L')
|
||||
val = NEXTLONG (p);
|
||||
else if (place == 'g')
|
||||
{
|
||||
val = ((char *)buffer)[1];
|
||||
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
|
||||
fprintf_filtered(stderr, "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':
|
||||
NEXTSINGLE(flval, p);
|
||||
break;
|
||||
|
||||
case 'F':
|
||||
NEXTDOUBLE(flval, p);
|
||||
break;
|
||||
|
||||
case 'x':
|
||||
flval = NEXTEXTEND(p);
|
||||
break;
|
||||
|
||||
case 'p':
|
||||
flval = NEXTPACKED(p);
|
||||
break;
|
||||
|
||||
default:
|
||||
fprintf_filtered(stderr, "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, "<invalid address mode 0%o>", (unsigned) 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:
|
||||
fprintf_filtered(stderr, "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;
|
||||
char code;
|
||||
int bits;
|
||||
{
|
||||
register int val = 0;
|
||||
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 ();
|
||||
return(0);
|
||||
}
|
||||
} /* fetch_arg() */
|
||||
|
||||
/* 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;
|
||||
FILE *stream;
|
||||
bfd_vma addr;
|
||||
{
|
||||
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", (unsigned) disp);
|
||||
else
|
||||
fprintf_filtered (stream, "%d(%s)", disp, reg_names[regno]);
|
||||
}
|
||||
@ -27,6 +27,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
#include "getopt.h"
|
||||
#include <stdio.h>
|
||||
#include <ctype.h>
|
||||
#include "dis-asm.h"
|
||||
|
||||
#define ELF_STAB_DISPLAY /* This code works, but uses internal
|
||||
bfd and elf stuff. Flip this define
|
||||
@ -41,7 +42,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
extern Elf_Internal_Shdr *bfd_elf_find_section();
|
||||
#endif /* ELF_STAB_DISPLAY */
|
||||
|
||||
char *xmalloc ();
|
||||
extern char *xmalloc ();
|
||||
extern int fprintf ();
|
||||
|
||||
char *default_target = NULL; /* default at runtime */
|
||||
|
||||
@ -304,23 +306,25 @@ disassemble_data (abfd)
|
||||
bfd_arch_info_type *info;
|
||||
bfd_size_type datasize = 0;
|
||||
bfd_size_type i;
|
||||
unsigned int (*print) ()= 0;
|
||||
unsigned int print_insn_m68k ();
|
||||
unsigned int (*print) ()= 0; /* Old style */
|
||||
disassembler_ftype disassemble = 0; /* New style */
|
||||
unsigned int print_insn_a29k ();
|
||||
unsigned int print_insn_z8001 ();
|
||||
unsigned int print_insn_z8002 ();
|
||||
unsigned int print_insn_i960 ();
|
||||
unsigned int print_insn_sparc ();
|
||||
unsigned int print_insn_i386 ();
|
||||
unsigned int print_insn_h8300 ();
|
||||
unsigned int print_insn_mips ();
|
||||
enum bfd_architecture a;
|
||||
struct disassemble_info disasm_info;
|
||||
|
||||
int prevline;
|
||||
CONST char *prev_function = "";
|
||||
|
||||
asection *section;
|
||||
|
||||
/* Replace symbol section relative values with abs values */
|
||||
boolean done_dot = false;
|
||||
|
||||
INIT_DISASSEMBLE_INFO(disasm_info, stdout);
|
||||
|
||||
for (i = 0; i < symcount; i++)
|
||||
{
|
||||
syms[i]->value += syms[i]->section->vma;
|
||||
@ -377,15 +381,15 @@ disassemble_data (abfd)
|
||||
break;
|
||||
case bfd_arch_z8k:
|
||||
if (bfd_get_mach(abfd) == bfd_mach_z8001)
|
||||
print = print_insn_z8001;
|
||||
disassemble = print_insn_z8001;
|
||||
else
|
||||
print = print_insn_z8002;
|
||||
disassemble = print_insn_z8002;
|
||||
break;
|
||||
case bfd_arch_i386:
|
||||
print = print_insn_i386;
|
||||
disassemble = print_insn_i386;
|
||||
break;
|
||||
case bfd_arch_m68k:
|
||||
print = print_insn_m68k;
|
||||
disassemble = print_insn_m68k;
|
||||
break;
|
||||
case bfd_arch_a29k:
|
||||
print = print_insn_a29k;
|
||||
@ -394,8 +398,10 @@ disassemble_data (abfd)
|
||||
print = print_insn_i960;
|
||||
break;
|
||||
case bfd_arch_mips:
|
||||
/* MIPS is handled specially, because we need to pass an
|
||||
additional endianness argument. */
|
||||
if (abfd->xvec->byteorder_big_p)
|
||||
disassemble = print_insn_big_mips;
|
||||
else
|
||||
disassemble = print_insn_little_mips;
|
||||
break;
|
||||
default:
|
||||
fprintf (stderr, "%s: Can't disassemble for architecture %s\n",
|
||||
@ -448,7 +454,6 @@ disassemble_data (abfd)
|
||||
done_dot = false;
|
||||
if (with_line_numbers)
|
||||
{
|
||||
static prevline;
|
||||
CONST char *filename;
|
||||
CONST char *functionname;
|
||||
unsigned int line;
|
||||
@ -459,31 +464,34 @@ disassemble_data (abfd)
|
||||
section->vma + i,
|
||||
&filename,
|
||||
&functionname,
|
||||
&line)
|
||||
&& filename
|
||||
&& functionname
|
||||
&& line
|
||||
&& line != prevline)
|
||||
&line))
|
||||
{
|
||||
printf ("%s:%u\n", filename, line);
|
||||
prevline = line;
|
||||
if (functionname && *functionname
|
||||
&& strcmp(functionname, prev_function))
|
||||
{
|
||||
printf ("%s():\n", functionname);
|
||||
prev_function = functionname;
|
||||
}
|
||||
if (!filename)
|
||||
filename = "???";
|
||||
if (line && line != prevline)
|
||||
{
|
||||
printf ("%s:%u\n", filename, line);
|
||||
prevline = line;
|
||||
}
|
||||
}
|
||||
}
|
||||
print_address (section->vma + i, stdout);
|
||||
printf (" ");
|
||||
|
||||
if (a != bfd_arch_mips)
|
||||
if (disassemble) /* New style */
|
||||
i += (*disassemble)(section->vma + i,
|
||||
data + i,
|
||||
&disasm_info);
|
||||
else /* Old style */
|
||||
i += print (section->vma + i,
|
||||
data + i,
|
||||
stdout);
|
||||
else
|
||||
{
|
||||
/* The endianness of the MIPS can vary. */
|
||||
i += print_insn_mips (section->vma + i,
|
||||
data + i,
|
||||
stdout,
|
||||
(int) abfd->xvec->byteorder_big_p);
|
||||
}
|
||||
putchar ('\n');
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user