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FFI: Fix calling conventions for ARM hard-float EABI.

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Properly classify nested (non-transparent) structs.
This commit is contained in:
Mike Pall 2013-05-16 14:47:20 +02:00
parent 5dabdb2e70
commit 1c7650f782
1 changed files with 6 additions and 2 deletions
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8
src/lj_ccall.c
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@ -584,22 +584,26 @@ static unsigned int ccall_classify_struct(CTState *cts, CType *ct, CType *ctf)
unsigned int r = 0, n = 0, isu = (ct->info & CTF_UNION);
if ((ctf->info & CTF_VARARG)) goto noth;
while (ct->sib) {
CType *sct;
ct = ctype_get(cts, ct->sib);
if (ctype_isfield(ct->info)) {
CType *sct = ctype_rawchild(cts, ct);
sct = ctype_rawchild(cts, ct);
if (ctype_isfp(sct->info)) {
r |= sct->size;
if (!isu) n++; else if (n == 0) n = 1;
} else if (ctype_iscomplex(sct->info)) {
r |= (sct->size >> 1);
if (!isu) n += 2; else if (n < 2) n = 2;
} else if (ctype_isstruct(sct->info)) {
goto substruct;
} else {
goto noth;
}
} else if (ctype_isbitfield(ct->info)) {
goto noth;
} else if (ctype_isxattrib(ct->info, CTA_SUBTYPE)) {
CType *sct = ctype_rawchild(cts, ct);
sct = ctype_rawchild(cts, ct);
substruct:
if (sct->size > 0) {
unsigned int s = ccall_classify_struct(cts, sct, ctf);
if (s <= 1) goto noth;