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Fix bytecode dump unpatching.

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Reported by Christopher Oliver.
This commit is contained in:
Mike Pall 2019-08-30 11:07:45 +02:00
parent 0cd643d7cf
commit 20ac817a74
1 changed files with 1 additions and 4 deletions
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5
src/lj_bcwrite.c
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@ -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);
}
}
}