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-rw-r--r--gas/ChangeLog6
-rw-r--r--gas/config/tc-cr16.c5
2 files changed, 10 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 96c78092a04..7aba149af9c 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,11 @@
2020-05-25 H.J. Lu <hongjiu.lu@intel.com>
+ PR gas/26041
+ * config/tc-cr16.c (md_assemble): Use memmove to concatenate
+ 2 overlapping strings.
+
+2020-05-25 H.J. Lu <hongjiu.lu@intel.com>
+
* config/tc-cr16.c (md_convert_frag): Replace fragP->fr_literal
with &fragP->fr_literal[0].
diff --git a/gas/config/tc-cr16.c b/gas/config/tc-cr16.c
index 901838398ec..951e9ac7f38 100644
--- a/gas/config/tc-cr16.c
+++ b/gas/config/tc-cr16.c
@@ -2560,8 +2560,11 @@ md_assemble (char *op)
if (streq ("cinv", op))
{
/* Validate the cinv options. */
+ unsigned int op_len, param_len;
check_cinv_options (param);
- strcat (op, param);
+ op_len = strlen (op);
+ param_len = strlen (param) + 1;
+ memmove (op + op_len, param, param_len);
}
/* MAPPING - SHIFT INSN, if imm4/imm16 positive values