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#include "common.h"
extern const struct mctarg t_amd64_sysv;
static const struct targ {
const char *name;
struct { uchar longsize, vlongsize, ptrsize, valistsize; };
struct { uchar longalign, vlongalign, doublealign, ptralign; };
bool charsigned;
uchar sizetype, ptrdifftype;
const struct mctarg *mctarg;
} targs[] = {
{ "amd64-sysv", {8, 8, 8, 24}, {8, 8, 8, 8}, 1, TYULONG, TYLONG, &t_amd64_sysv },
{ "i686-sysv", {4, 8, 4, 8}, {4, 4, 4, 4}, 1, TYUINT, TYINT }
};
uchar targ_primsizes[TYPTR+1];
uchar targ_primalign[TYPTR+1];
enum typetag targ_sizetype, targ_ptrdifftype;
bool targ_charsigned, targ_bigendian, targ_64bit;
const struct mctarg *mctarg;
void
targ_init(const char *starg)
{
const struct targ *t = &targs[0];
uchar *sizes = targ_primsizes, *align = targ_primalign;
sizes[TYBOOL] = sizes[TYCHAR] = sizes[TYSCHAR] = sizes[TYUCHAR] = 1;
sizes[TYSHORT] = sizes[TYUSHORT] = 2;
sizes[TYUINT] = sizes[TYINT] = 4;
sizes[TYFLOAT] = 4;
sizes[TYDOUBLE] = 8;
memcpy(align, sizes, sizeof targ_primalign);
sizes[TYULONG] = sizes[TYLONG] = t->longsize;
sizes[TYUVLONG] = sizes[TYVLONG] = t->vlongsize;
sizes[TYPTR] = t->ptrsize;
sizes[TYVALIST] = t->valistsize;
align[TYULONG] = align[TYLONG] = t->longalign;
align[TYUVLONG] = align[TYVLONG] = t->vlongalign;
align[TYDOUBLE] = t->doublealign;
align[TYVALIST] = align[TYPTR] = t->ptralign;
targ_sizetype = t->sizetype;
targ_ptrdifftype = t->ptrdifftype;
targ_charsigned = t->charsigned;
targ_bigendian = 0;
targ_64bit = t->ptrsize == 8;
mctarg = t->mctarg;
}
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