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authorA. Wilcox <awilfox@adelielinux.org>2018-02-22 12:49:49 +0000
committerNick Clifton <nickc@redhat.com>2018-02-22 12:49:49 +0000
commit39334a61e63321352304cbae77b37fcba4fed662 (patch)
tree41cf9cfc3f573c0273ca7c0cfcaa46bc006b6b37 /gas
parentf4a69c9aea8b2f86abfdc35757c7e8c53e714f64 (diff)
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Fix memory access violation when attempting to shorten a suffixed micromips instruction during lookup.
PR 22014 * config/tc-mips.c (mips_lookup_insn): Use memmove to strip the instruction size suffix.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog6
-rw-r--r--gas/config/tc-mips.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 07e3574..ce7e258 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2018-02-22 A. Wilcox <awilfox@adelielinux.org>
+
+ PR 22014
+ * config/tc-mips.c (mips_lookup_insn): Use memmove to strip the
+ instruction size suffix.
+
2018-02-20 Maciej W. Rozycki <macro@mips.com>
* testsuite/gas/mips/mips16-branch-reloc-4.d: New test.
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index fca0dea..6c68395 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -13955,7 +13955,7 @@ mips_lookup_insn (struct hash_control *hash, const char *start,
suffix = 0;
if (suffix)
{
- memcpy (name + opend - 2, name + opend, length - opend + 1);
+ memmove (name + opend - 2, name + opend, length - opend + 1);
insn = (struct mips_opcode *) hash_find (hash, name);
if (insn)
{