ref: 7a39b526a28d598345a38327f3bcb613004c7937
dir: /src/cmd/cc/cc1/arch.c/
#include <string.h> #include <stdio.h> #include <stdlib.h> #include <scc/scc.h> #include "cc1.h" Type *voidtype, *pvoidtype, *booltype, *uchartype, *chartype, *schartype, *uinttype, *inttype, *sizettype, *pdifftype, *ushorttype, *shorttype, *longtype, *ulongtype, *ullongtype, *llongtype, *floattype, *doubletype, *ldoubletype, *ellipsistype, *va_list_type, *va_type; Symbol *one, *zero; char *architecture = "amd64-sysv"; static Arch *arch; static Arch * getarch(void) { static struct archdef { char *arch; Arch *(*fun)(void); } *bp, defs[] = { "amd64-sysv", amd64_sysv, "arm64-sysv", arm64_sysv, "i386-sysv", i386_sysv, "z80-scc", z80_scc, NULL, NULL, }; for (bp = defs; bp->arch; ++bp) { if (strcmp(bp->arch, architecture) == 0) return (*bp->fun)(); } return NULL; } int valid_va_list(Type *tp) { return (*arch->valid_va_list)(tp); } void iarch(void) { if ((arch = getarch()) == NULL) { fprintf(stderr, "cc1: wrong architecture '%s'\n", architecture); exit(EXIT_FAILURE); } voidtype = &arch->voidtype; pvoidtype = &arch->pvoidtype; booltype = &arch->booltype; uchartype = &arch->uchartype; chartype = &arch->chartype; schartype = &arch->schartype; uinttype = &arch->uinttype; inttype = &arch->inttype; sizettype = &arch->sizettype; pdifftype = &arch->pdifftype; ushorttype = &arch->ushorttype; shorttype = &arch->shorttype; longtype = &arch->longtype; ulongtype = &arch->ulongtype; ullongtype = &arch->ullongtype; llongtype = &arch->llongtype; floattype = &arch->floattype; doubletype = &arch->doubletype; ldoubletype = &arch->ldoubletype; ellipsistype = &arch->ellipsistype; va_list_type = &arch->va_list_type; va_type = &arch->va_type; zero = &arch->zero; one = &arch->one; zero->type = inttype; one->type = inttype; }