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| author | Mike Pall <mike> | 2019-08-30 11:07:45 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2019-08-30 11:07:45 +0200 |
| commit | 20ac817a747cf8cab044ae81b09c08d23e34342b (patch) | |
| tree | 8b4aa5942cefb4cc70c1525b99cdc2113256afff /src/lj_bcwrite.c | |
| parent | 0cd643d7cfc21bc8b6153d42b86a71d557270988 (diff) | |
| download | luajit2-20ac817a747cf8cab044ae81b09c08d23e34342b.tar.gz | |
Fix bytecode dump unpatching.
Reported by Christopher Oliver.
Diffstat (limited to 'src/lj_bcwrite.c')
| -rw-r--r-- | src/lj_bcwrite.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/lj_bcwrite.c b/src/lj_bcwrite.c index fae1ebb3..171a8d6d 100644 --- a/src/lj_bcwrite.c +++ b/src/lj_bcwrite.c @@ -258,10 +258,7 @@ static void bcwrite_bytecode(BCWriteCtx *ctx, GCproto *pt) p[LJ_ENDIAN_SELECT(0, 3)] = (uint8_t)(op-BC_IFORL+BC_FORL); } else if (op == BC_JFORL || op == BC_JITERL || op == BC_JLOOP) { BCReg rd = p[LJ_ENDIAN_SELECT(2, 1)] + (p[LJ_ENDIAN_SELECT(3, 0)] << 8); - BCIns ins = traceref(J, rd)->startins; - p[LJ_ENDIAN_SELECT(0, 3)] = (uint8_t)(op-BC_JFORL+BC_FORL); - p[LJ_ENDIAN_SELECT(2, 1)] = bc_c(ins); - p[LJ_ENDIAN_SELECT(3, 0)] = bc_b(ins); + memcpy(p, &traceref(J, rd)->startins, 4); } } } |