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Ensure zero termination of tic4x insn buffer

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* config/tc-tic4x.c (md_assemble): Ensure insn->name is zero
	terminated.  Simplify concatenation of parallel insn.
This commit is contained in:
Chen Gang
2014-12-09 17:02:54 +10:30
committed by Alan Modra
parent 31d999a568
commit 77ab336ea1
2 changed files with 10 additions and 3 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2014-12-09 Chen Gang <gang.chen.5i5j@gmail.com>
* config/tc-tic4x.c (md_assemble): Ensure insn->name is zero
terminated. Simplify concatenation of parallel insn.
2014-12-06 Eric Botcazou <ebotcazou@adacore.com> 2014-12-06 Eric Botcazou <ebotcazou@adacore.com>
* configure.tgt: Add Visium support. * configure.tgt: Add Visium support.

8
gas/config/tc-tic4x.c
View File

@ -2417,6 +2417,7 @@ md_assemble (char *str)
char *s; char *s;
int i; int i;
int parsed = 0; int parsed = 0;
size_t len;
tic4x_inst_t *inst; /* Instruction template. */ tic4x_inst_t *inst; /* Instruction template. */
tic4x_inst_t *first_inst; tic4x_inst_t *first_inst;
@ -2455,8 +2456,8 @@ md_assemble (char *str)
s++; s++;
if (*s) /* Null terminate for hash_find. */ if (*s) /* Null terminate for hash_find. */
*s++ = '\0'; /* and skip past null. */ *s++ = '\0'; /* and skip past null. */
strcat (insn->name, "_"); len = strlen (insn->name);
strncat (insn->name, str, TIC4X_NAME_MAX - 1 - strlen (insn->name)); snprintf (insn->name + len, TIC4X_NAME_MAX - len, "_%s", str);
insn->operands[insn->num_operands++].mode = M_PARALLEL; insn->operands[insn->num_operands++].mode = M_PARALLEL;
@ -2518,7 +2519,8 @@ md_assemble (char *str)
s++; s++;
if (*s) /* Null terminate for hash_find. */ if (*s) /* Null terminate for hash_find. */
*s++ = '\0'; /* and skip past null. */ *s++ = '\0'; /* and skip past null. */
strncpy (insn->name, str, TIC4X_NAME_MAX - 3); strncpy (insn->name, str, TIC4X_NAME_MAX - 1);
insn->name[TIC4X_NAME_MAX - 1] = '\0';
if ((i = tic4x_operands_parse (s, insn->operands, 0)) < 0) if ((i = tic4x_operands_parse (s, insn->operands, 0)) < 0)
{ {