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| author | A. Wilcox <awilfox@adelielinux.org> | 2018-02-22 12:49:49 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2018-02-22 12:49:49 +0000 |
| commit | 39334a61e63321352304cbae77b37fcba4fed662 (patch) | |
| tree | 41cf9cfc3f573c0273ca7c0cfcaa46bc006b6b37 | |
| parent | f4a69c9aea8b2f86abfdc35757c7e8c53e714f64 (diff) | |
| download | gdb-39334a61e63321352304cbae77b37fcba4fed662.zip gdb-39334a61e63321352304cbae77b37fcba4fed662.tar.gz gdb-39334a61e63321352304cbae77b37fcba4fed662.tar.bz2 | |
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.
| -rw-r--r-- | gas/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 2 |
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) { |