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FFI: Fix line info for result conversion errors in callbacks.

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This commit is contained in:
Mike Pall
2011-11-25 19:25:44 +01:00
parent 90c445851f
commit b3f16cb64d
2 changed files with 4 additions and 4 deletions
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6
src/lj_debug.c
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@@ -90,7 +90,7 @@ static BCPos debug_framepc(lua_State *L, GCfunc *fn, cTValue *nextframe)
pt = funcproto(fn);
pos = proto_bcpos(pt, ins) - 1;
#if LJ_HASJIT
if (pos >= pt->sizebc) { /* Undo the effects of lj_trace_exit for JLOOP. */
if (pos > pt->sizebc) { /* Undo the effects of lj_trace_exit for JLOOP. */
GCtrace *T = (GCtrace *)((char *)(ins-1) - offsetof(GCtrace, startins));
lua_assert(bc_isret(bc_op(ins[-1])));
pos = proto_bcpos(pt, mref(T->startpc, const BCIns));
@@ -105,9 +105,9 @@ static BCPos debug_framepc(lua_State *L, GCfunc *fn, cTValue *nextframe)
BCLine LJ_FASTCALL lj_debug_line(GCproto *pt, BCPos pc)
{
const void *lineinfo = proto_lineinfo(pt);
if (pc < pt->sizebc && lineinfo) {
if (pc <= pt->sizebc && lineinfo) {
BCLine first = pt->firstline;
if (pc == pt->sizebc-1) return first + pt->numline;
if (pc == pt->sizebc) return first + pt->numline;
if (pc-- == 0) return first;
if (pt->numline < 256)
return first + (BCLine)((const uint8_t *)lineinfo)[pc];