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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.
This commit is contained in:
A. Wilcox 2018-02-22 12:49:49 +00:00 committed by Nick Clifton
parent f4a69c9aea
commit 39334a61e6
2 changed files with 7 additions and 1 deletions
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6
gas/ChangeLog
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@ -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.

2
gas/config/tc-mips.c
View File

@ -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)
{