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Fix compiled error handling for buffer methods.

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Contributed by XmiliaH.
This commit is contained in:
Mike Pall 2022-01-23 19:10:47 +01:00
parent 4077f0c3d6
commit c929efc039
1 changed files with 14 additions and 6 deletions
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20
src/lj_ffrecord.c
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@ -1222,6 +1222,12 @@ static void LJ_FASTCALL recff_buffer_method_put(jit_State *J, RecordFFData *rd)
TRef tr;
ptrdiff_t arg;
if (!J->base[1]) return;
for (arg = 1; (tr = J->base[arg]); arg++) {
if (tref_isudata(tr)) {
TRef ud2 = recff_sbufx_check(J, rd, arg);
emitir(IRTG(IR_NE, IRT_PGC), ud, ud2);
}
}
for (arg = 1; (tr = J->base[arg]); arg++) {
if (tref_isstr(tr)) {
trbuf = emitir(IRTG(IR_BUFPUT, IRT_PGC), trbuf, tr);
@ -1230,11 +1236,9 @@ static void LJ_FASTCALL recff_buffer_method_put(jit_State *J, RecordFFData *rd)
emitir(IRT(IR_TOSTR, IRT_STR), tr,
tref_isnum(tr) ? IRTOSTR_NUM : IRTOSTR_INT));
} else if (tref_isudata(tr)) {
TRef ud2 = recff_sbufx_check(J, rd, arg);
TRef trr = recff_sbufx_get_ptr(J, ud2, IRFL_SBUF_R);
TRef trw = recff_sbufx_get_ptr(J, ud2, IRFL_SBUF_W);
TRef trr = recff_sbufx_get_ptr(J, tr, IRFL_SBUF_R);
TRef trw = recff_sbufx_get_ptr(J, tr, IRFL_SBUF_W);
TRef len = recff_sbufx_len(J, trr, trw);
emitir(IRTG(IR_NE, IRT_PGC), ud, ud2);
trbuf = lj_ir_call(J, IRCALL_lj_buf_putmem, trbuf, trr, len);
} else {
recff_nyiu(J, rd);
@ -1258,15 +1262,19 @@ static void LJ_FASTCALL recff_buffer_method_get(jit_State *J, RecordFFData *rd)
TRef tr;
ptrdiff_t arg;
if (!J->base[1]) { J->base[1] = TREF_NIL; J->base[2] = 0; }
for (arg = 0; (tr = J->base[arg+1]); arg++) {
if (!tref_isnil(tr)) {
J->base[arg+1] = recff_sbufx_checkint(J, rd, arg+1);
}
}
for (arg = 0; (tr = J->base[arg+1]); arg++) {
TRef len = recff_sbufx_len(J, trr, trw);
if (tref_isnil(tr)) {
J->base[arg] = emitir(IRT(IR_XSNEW, IRT_STR), trr, len);
trr = trw;
} else {
TRef trn = recff_sbufx_checkint(J, rd, arg+1);
TRef tru;
len = emitir(IRTI(IR_MIN), len, trn);
len = emitir(IRTI(IR_MIN), len, tr);
tru = emitir(IRT(IR_ADD, IRT_PTR), trr, len);
J->base[arg] = emitir(IRT(IR_XSNEW, IRT_STR), trr, len);
trr = tru; /* Doing the ADD before the SNEW generates better code. */