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authorIan Lance Taylor <ian@airs.com>1997-05-05 18:30:06 +0000
committerIan Lance Taylor <ian@airs.com>1997-05-05 18:30:06 +0000
commit41b96d55e8e973fc7eebc1d1b94b9e0f91213d7e (patch)
treeda6a5b89d54635b6c197d07fbc681a4cc4c9e37e /opcodes
parentd23af88239c61cea5114495e36dc8884d8b05117 (diff)
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* i386-dis.c: Revert patch of April 4. The output now matches
what gcc generates.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog5
-rw-r--r--opcodes/i386-dis.c54
2 files changed, 48 insertions, 11 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 3658d84..8a66920 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+Mon May 5 14:28:41 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * i386-dis.c: Revert patch of April 4. The output now matches
+ what gcc generates.
+
Fri May 2 12:48:37 1997 Doug Evans <dje@canuck.cygnus.com>
* m32r-opc.c (m32r_cgen_insn_table, cmpui): Use $uimm16 instead
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index f5c3aaa..fa45ead 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -1,5 +1,6 @@
/* Print i386 instructions for GDB, the GNU debugger.
- Copyright (C) 1988, 89, 91, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1988, 89, 91, 93, 94, 95, 96, 1997
+ Free Software Foundation, Inc.
This file is part of GDB.
@@ -39,6 +40,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <setjmp.h>
+static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *));
+
struct dis_private
{
/* Points to first byte not fetched. */
@@ -97,7 +100,9 @@ fetch_data (info, addr)
#define Iw OP_I, w_mode
#define Jb OP_J, b_mode
#define Jv OP_J, v_mode
+#if 0
#define ONE OP_ONE, 0
+#endif
#define Cd OP_C, d_mode
#define Dd OP_D, d_mode
#define Td OP_T, d_mode
@@ -139,11 +144,29 @@ fetch_data (info, addr)
#define fs OP_REG, fs_reg
#define gs OP_REG, gs_reg
-typedef int op_rtn PARAMS ((int bytemode, int aflag, int dflag));
-
-static op_rtn OP_E, OP_G, OP_I, OP_indirE, OP_sI, OP_REG, OP_J, OP_DIR, OP_OFF;
-static op_rtn OP_ESDI, OP_DSSI, OP_SEG, OP_ONE, OP_C, OP_D, OP_T, OP_rm, OP_ST;
-static op_rtn OP_STi;
+typedef int (*op_rtn) PARAMS ((int bytemode, int aflag, int dflag));
+
+static int OP_E PARAMS ((int, int, int));
+static int OP_G PARAMS ((int, int, int));
+static int OP_I PARAMS ((int, int, int));
+static int OP_indirE PARAMS ((int, int, int));
+static int OP_sI PARAMS ((int, int, int));
+static int OP_REG PARAMS ((int, int, int));
+static int OP_J PARAMS ((int, int, int));
+static int OP_DIR PARAMS ((int, int, int));
+static int OP_OFF PARAMS ((int, int, int));
+static int OP_ESDI PARAMS ((int, int, int));
+static int OP_DSSI PARAMS ((int, int, int));
+static int OP_SEG PARAMS ((int, int, int));
+static int OP_C PARAMS ((int, int, int));
+static int OP_D PARAMS ((int, int, int));
+static int OP_T PARAMS ((int, int, int));
+static int OP_rm PARAMS ((int, int, int));
+static int OP_ST PARAMS ((int, int, int));
+static int OP_STi PARAMS ((int, int, int));
+#if 0
+static int OP_ONE PARAMS ((int, int, int));
+#endif
static void append_prefix PARAMS ((void));
static void set_op PARAMS ((int op));
@@ -218,11 +241,11 @@ static void ckprefix PARAMS ((void));
struct dis386 {
char *name;
- op_rtn *op1;
+ op_rtn op1;
int bytemode1;
- op_rtn *op2;
+ op_rtn op2;
int bytemode2;
- op_rtn *op3;
+ op_rtn op3;
int bytemode3;
};
@@ -1035,9 +1058,9 @@ print_insn_i386 (pc, info)
disassemble_info *info;
{
if (info->mach == bfd_mach_i386_i386)
- print_insn_x86 (pc, info, 1, 1);
+ return print_insn_x86 (pc, info, 1, 1);
else if (info->mach == bfd_mach_i386_i8086)
- print_insn_x86 (pc, info, 0, 0);
+ return print_insn_x86 (pc, info, 0, 0);
else
abort ();
}
@@ -1057,6 +1080,10 @@ print_insn_x86 (pc, info, aflag, dflag)
struct dis_private priv;
bfd_byte *inbuf = priv.the_buffer;
+ /* The output looks better if we put 5 bytes on a line, since that
+ puts long word instructions on a single line. */
+ info->bytes_per_line = 5;
+
info->private_data = (PTR) &priv;
priv.max_fetched = priv.the_buffer;
priv.insn_start = pc;
@@ -2019,6 +2046,9 @@ OP_DSSI (dummy, aflag, dflag)
return (0);
}
+#if 0
+/* Not used. */
+
/* ARGSUSED */
static int
OP_ONE (dummy, aflag, dflag)
@@ -2030,6 +2060,8 @@ OP_ONE (dummy, aflag, dflag)
return (0);
}
+#endif
+
/* ARGSUSED */
static int
OP_C (dummy, aflag, dflag)