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Diffstat (limited to 'i386-dis.c')
-rw-r--r--i386-dis.c94
1 files changed, 47 insertions, 47 deletions
diff --git a/i386-dis.c b/i386-dis.c
index f8abf74..0c97e1c 100644
--- a/i386-dis.c
+++ b/i386-dis.c
@@ -37,6 +37,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include "dis-asm.h"
+#include "qemu-common.h"
#define MAXLEN 20
@@ -59,7 +60,8 @@ static int putop PARAMS ((const char *, int));
static void oappend PARAMS ((const char *));
static void append_seg PARAMS ((void));
static void OP_indirE PARAMS ((int, int));
-static void print_operand_value PARAMS ((char *, int, bfd_vma));
+static void print_operand_value (char *buf, size_t bufsize, int hex,
+ bfd_vma disp);
static void OP_E PARAMS ((int, int));
static void OP_G PARAMS ((int, int));
static bfd_vma get64 PARAMS ((void));
@@ -2512,7 +2514,7 @@ dofloat (sizeflag)
/* Instruction fnstsw is only one with strange arg. */
if (floatop == 0xdf && codep[-1] == 0xe0)
- strcpy (op1out, names16[0]);
+ pstrcpy (op1out, sizeof(op1out), names16[0]);
}
else
{
@@ -2540,7 +2542,7 @@ OP_STi (bytemode, sizeflag)
int bytemode;
int sizeflag;
{
- sprintf (scratchbuf, "%%st(%d)", rm);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%st(%d)", rm);
oappend (scratchbuf + intel_syntax);
}
@@ -2573,7 +2575,7 @@ putop (template, sizeflag)
if (*p == '}')
{
/* Alternative not valid. */
- strcpy (obuf, "(bad)");
+ pstrcpy (obuf, sizeof(obuf), "(bad)");
obufp = obuf + 5;
return 1;
}
@@ -2824,7 +2826,7 @@ static void
oappend (s)
const char *s;
{
- strcpy (obufp, s);
+ pstrcpy (obufp, (size_t)(obufp - obuf), s);
obufp += strlen (s);
}
@@ -2874,10 +2876,7 @@ OP_indirE (bytemode, sizeflag)
}
static void
-print_operand_value (buf, hex, disp)
- char *buf;
- int hex;
- bfd_vma disp;
+print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp)
{
if (mode_64bit)
{
@@ -2887,9 +2886,9 @@ print_operand_value (buf, hex, disp)
int i;
buf[0] = '0';
buf[1] = 'x';
- sprintf_vma (tmp, disp);
+ snprintf_vma (tmp, sizeof(tmp), disp);
for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++);
- strcpy (buf + 2, tmp + i);
+ pstrcpy (buf + 2, bufsize - 2, tmp + i);
}
else
{
@@ -2903,13 +2902,13 @@ print_operand_value (buf, hex, disp)
/* Check for possible overflow on 0x8000000000000000. */
if (v < 0)
{
- strcpy (buf, "9223372036854775808");
+ pstrcpy (buf, bufsize, "9223372036854775808");
return;
}
}
if (!v)
{
- strcpy (buf, "0");
+ pstrcpy (buf, bufsize, "0");
return;
}
@@ -2921,15 +2920,15 @@ print_operand_value (buf, hex, disp)
v /= 10;
i++;
}
- strcpy (buf, tmp + 29 - i);
+ pstrcpy (buf, bufsize, tmp + 29 - i);
}
}
else
{
if (hex)
- sprintf (buf, "0x%x", (unsigned int) disp);
+ snprintf (buf, bufsize, "0x%x", (unsigned int) disp);
else
- sprintf (buf, "%d", (int) disp);
+ snprintf (buf, bufsize, "%d", (int) disp);
}
}
@@ -3054,7 +3053,7 @@ OP_E (bytemode, sizeflag)
if (!intel_syntax)
if (mod != 0 || (base & 7) == 5)
{
- print_operand_value (scratchbuf, !riprel, disp);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), !riprel, disp);
oappend (scratchbuf);
if (riprel)
{
@@ -3115,14 +3114,14 @@ OP_E (bytemode, sizeflag)
*obufp++ = separator_char;
*obufp = '\0';
}
- sprintf (scratchbuf, "%s",
- mode_64bit && (sizeflag & AFLAG)
- ? names64[index] : names32[index]);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%s",
+ mode_64bit && (sizeflag & AFLAG)
+ ? names64[index] : names32[index]);
}
else
- sprintf (scratchbuf, ",%s",
- mode_64bit && (sizeflag & AFLAG)
- ? names64[index] : names32[index]);
+ snprintf (scratchbuf, sizeof(scratchbuf), ",%s",
+ mode_64bit && (sizeflag & AFLAG)
+ ? names64[index] : names32[index]);
oappend (scratchbuf);
}
if (!intel_syntax
@@ -3133,7 +3132,7 @@ OP_E (bytemode, sizeflag)
{
*obufp++ = scale_char;
*obufp = '\0';
- sprintf (scratchbuf, "%d", 1 << scale);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%d", 1 << scale);
oappend (scratchbuf);
}
}
@@ -3149,7 +3148,8 @@ OP_E (bytemode, sizeflag)
*obufp = '\0';
}
- print_operand_value (scratchbuf, 0, disp);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 0,
+ disp);
oappend (scratchbuf);
}
}
@@ -3169,7 +3169,7 @@ OP_E (bytemode, sizeflag)
oappend (names_seg[ds_reg - es_reg]);
oappend (":");
}
- print_operand_value (scratchbuf, 1, disp);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp);
oappend (scratchbuf);
}
}
@@ -3202,7 +3202,7 @@ OP_E (bytemode, sizeflag)
if (!intel_syntax)
if (mod != 0 || (rm & 7) == 6)
{
- print_operand_value (scratchbuf, 0, disp);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 0, disp);
oappend (scratchbuf);
}
@@ -3504,7 +3504,7 @@ OP_I (bytemode, sizeflag)
op &= mask;
scratchbuf[0] = '$';
- print_operand_value (scratchbuf + 1, 1, op);
+ print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
oappend (scratchbuf + intel_syntax);
scratchbuf[0] = '\0';
}
@@ -3557,7 +3557,7 @@ OP_I64 (bytemode, sizeflag)
op &= mask;
scratchbuf[0] = '$';
- print_operand_value (scratchbuf + 1, 1, op);
+ print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
oappend (scratchbuf + intel_syntax);
scratchbuf[0] = '\0';
}
@@ -3609,7 +3609,7 @@ OP_sI (bytemode, sizeflag)
}
scratchbuf[0] = '$';
- print_operand_value (scratchbuf + 1, 1, op);
+ print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
oappend (scratchbuf + intel_syntax);
}
@@ -3647,7 +3647,7 @@ OP_J (bytemode, sizeflag)
}
disp = (start_pc + codep - start_codep + disp) & mask;
set_op (disp, 0);
- print_operand_value (scratchbuf, 1, disp);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp);
oappend (scratchbuf);
}
@@ -3678,9 +3678,9 @@ OP_DIR (dummy, sizeflag)
}
used_prefixes |= (prefixes & PREFIX_DATA);
if (intel_syntax)
- sprintf (scratchbuf, "0x%x,0x%x", seg, offset);
+ snprintf (scratchbuf, sizeof(scratchbuf), "0x%x,0x%x", seg, offset);
else
- sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
+ snprintf (scratchbuf, sizeof(scratchbuf), "$0x%x,$0x%x", seg, offset);
oappend (scratchbuf);
}
@@ -3707,7 +3707,7 @@ OP_OFF (bytemode, sizeflag)
oappend (":");
}
}
- print_operand_value (scratchbuf, 1, off);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off);
oappend (scratchbuf);
}
@@ -3737,7 +3737,7 @@ OP_OFF64 (bytemode, sizeflag)
oappend (":");
}
}
- print_operand_value (scratchbuf, 1, off);
+ print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off);
oappend (scratchbuf);
}
@@ -3806,7 +3806,7 @@ OP_C (dummy, sizeflag)
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
- sprintf (scratchbuf, "%%cr%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%cr%d", reg + add);
oappend (scratchbuf + intel_syntax);
}
@@ -3820,9 +3820,9 @@ OP_D (dummy, sizeflag)
if (rex & REX_EXTX)
add = 8;
if (intel_syntax)
- sprintf (scratchbuf, "db%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "db%d", reg + add);
else
- sprintf (scratchbuf, "%%db%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%db%d", reg + add);
oappend (scratchbuf);
}
@@ -3831,7 +3831,7 @@ OP_T (dummy, sizeflag)
int dummy;
int sizeflag;
{
- sprintf (scratchbuf, "%%tr%d", reg);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%tr%d", reg);
oappend (scratchbuf + intel_syntax);
}
@@ -3857,9 +3857,9 @@ OP_MMX (bytemode, sizeflag)
add = 8;
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
- sprintf (scratchbuf, "%%xmm%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", reg + add);
else
- sprintf (scratchbuf, "%%mm%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", reg + add);
oappend (scratchbuf + intel_syntax);
}
@@ -3872,7 +3872,7 @@ OP_XMM (bytemode, sizeflag)
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
- sprintf (scratchbuf, "%%xmm%d", reg + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", reg + add);
oappend (scratchbuf + intel_syntax);
}
@@ -3896,9 +3896,9 @@ OP_EM (bytemode, sizeflag)
codep++;
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
- sprintf (scratchbuf, "%%xmm%d", rm + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", rm + add);
else
- sprintf (scratchbuf, "%%mm%d", rm + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", rm + add);
oappend (scratchbuf + intel_syntax);
}
@@ -3920,7 +3920,7 @@ OP_EX (bytemode, sizeflag)
/* Skip mod/rm byte. */
MODRM_CHECK;
codep++;
- sprintf (scratchbuf, "%%xmm%d", rm + add);
+ snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", rm + add);
oappend (scratchbuf + intel_syntax);
}
@@ -4079,8 +4079,8 @@ OP_SIMD_Suffix (bytemode, sizeflag)
suffix1 = 's', suffix2 = 'd';
}
}
- sprintf (scratchbuf, "cmp%s%c%c",
- simd_cmp_op[cmp_type], suffix1, suffix2);
+ snprintf (scratchbuf, sizeof(scratchbuf), "cmp%s%c%c",
+ simd_cmp_op[cmp_type], suffix1, suffix2);
used_prefixes |= (prefixes & PREFIX_REPZ);
oappend (scratchbuf);
}
generated by cgit v1.1 at 2024-12-23 02:39:18 +0000