diff options
| author | Quentin Carbonneaux <quentin@c9x.me> | 2022-01-31 22:03:18 +0100 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin@c9x.me> | 2022-02-02 21:09:37 +0100 |
| commit | 2ca6fb25a238842418019a3f9ee8d1beb1327f7e (patch) | |
| tree | be083fc02dc8c1175f454b0adfd23d662f96476f /gas.c | |
| parent | 20ee522ce8c4d1ffdd7b6e24a4f7af587c35404a (diff) | |
| download | roux-2ca6fb25a238842418019a3f9ee8d1beb1327f7e.tar.gz | |
shared linkage logic for func/data
Diffstat (limited to 'gas.c')
| -rw-r--r-- | gas.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/gas.c b/gas.c index 8c31794..4400769 100644 --- a/gas.c +++ b/gas.c @@ -4,11 +4,30 @@ char *gasloc, *gassym; void +gasemitlnk(char *n, Lnk *l, char *s, FILE *f) +{ + char *p; + + if (l->sec) { + fprintf(f, ".section %s", l->sec); + if (l->secf) + fprintf(f, ", %s", l->secf); + } else { + fputs(s, f); + } + fputc('\n', f); + if (l->align) + fprintf(f, ".balign %d\n", l->align); + p = n[0] == '"' ? "" : gassym; + if (l->export) + fprintf(f, ".globl %s%s\n", p, n); + fprintf(f, "%s%s:\n", p, n); +} + +void gasemitdat(Dat *d, FILE *f) { - static int aligned; static char *dtoa[] = { - [DAlign] = ".balign", [DB] = "\t.byte", [DH] = "\t.short", [DW] = "\t.int", @@ -18,39 +37,26 @@ gasemitdat(Dat *d, FILE *f) switch (d->type) { case DStart: - aligned = 0; - if (d->u.str) { - fprintf(f, ".section %s\n", d->u.str); - } else { - fprintf(f, ".data\n"); - } + gasemitlnk( + d->u.start.name, + d->u.start.lnk, + ".data", f); break; case DEnd: break; - case DName: - if (!aligned) - fprintf(f, ".balign 8\n"); - p = d->u.str[0] == '"' ? "" : gassym; - if (d->export) - fprintf(f, ".globl %s%s\n", p, d->u.str); - fprintf(f, "%s%s:\n", p, d->u.str); - break; case DZ: fprintf(f, "\t.fill %"PRId64",1,0\n", d->u.num); break; default: - if (d->type == DAlign) - aligned = 1; - if (d->isstr) { if (d->type != DB) err("strings only supported for 'b' currently"); fprintf(f, "\t.ascii %s\n", d->u.str); } else if (d->isref) { - p = d->u.ref.nam[0] == '"' ? "" : gassym; + p = d->u.ref.name[0] == '"' ? "" : gassym; fprintf(f, "%s %s%s%+"PRId64"\n", - dtoa[d->type], p, d->u.ref.nam, + dtoa[d->type], p, d->u.ref.name, d->u.ref.off); } else { |