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fixed to generate only external commons. This cannot be done in common.c

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because an external could later be declared static, and a static could later
be declared external.
This commit is contained in:
ceriel 1988-11-10 13:16:22 +00:00
parent d6dfd5d1ad
commit 19dad4482b
3 changed files with 27 additions and 5 deletions
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6
util/ceg/ce_back/obj_back/common.c
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@ -8,7 +8,10 @@ arith n;
extern int Label, label_waiting; extern int Label, label_waiting;
register struct outname *nm = &symbol_table[Label]; register struct outname *nm = &symbol_table[Label];
if (label_waiting && (nm->on_type & S_EXT)) { if (label_waiting) {
/* If possible, generate a common. Local commons must
be delt with later.
*/
nm->on_type |= S_COM | (S_MIN+SEGBSS); nm->on_type |= S_COM | (S_MIN+SEGBSS);
if (n > nm->on_valu) { if (n > nm->on_valu) {
nm->on_valu = n; nm->on_valu = n;
@ -17,6 +20,5 @@ arith n;
return; return;
} }
switchseg(SEGBSS); switchseg(SEGBSS);
dump_label();
bss(n); bss(n);
} }

17
util/ceg/ce_back/obj_back/output.c
View file

@ -2,7 +2,7 @@
#include <alloc.h> #include <alloc.h>
#include <out.h> #include <out.h>
#include "mach.h" #include "mach.h"
#include "data.h" #include "back.h"
static reduce_name_table(); static reduce_name_table();
@ -125,9 +125,20 @@ reduce_name_table()
rp++; rp++;
} }
for (i = 0; i < nname; i++) { for (i = 0; i < nname; i++) {
symbol_table[i].on_type &= ~S_NEEDED; register struct outname *np = &symbol_table[i];
np->on_type &= ~S_NEEDED;
if ((np->on_type & S_COM) && ! (np->on_type & S_EXT)) {
long sz = np->on_valu;
switchseg(SEGBSS);
align_word();
np->on_type &= (~S_COM);
np->on_valu = cur_value();
bss(sz);
}
if (diff_index[i] && diff_index[i] == diff_index[i-1]) { if (diff_index[i] && diff_index[i] == diff_index[i-1]) {
symbol_table[i - diff_index[i]] = symbol_table[i]; symbol_table[i - diff_index[i]] = *np;
} }
} }
nname -= diff_index[nname - 1]; nname -= diff_index[nname - 1];

9
util/ceg/ce_back/obj_back/relocation.c
View file

@ -24,6 +24,15 @@ do_local_relocation()
register struct outname *np = &symbol_table[rp->or_nami]; register struct outname *np = &symbol_table[rp->or_nami];
int olddiff = diff; int olddiff = diff;
if ((np->on_type & S_COM) && ! (np->on_type & S_EXT)) {
long sz = np->on_valu;
switchseg(SEGBSS);
align_word();
np->on_type &= (~S_COM);
np->on_valu = cur_value();
bss(sz);
}
if ( np->on_valu != -1 && ! (np->on_type & S_COM)) { if ( np->on_valu != -1 && ! (np->on_type & S_COM)) {
register long oldval,newval; register long oldval,newval;
register char *sect; register char *sect;