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the correct fix for overzealous linking: preemptively turf unused externs

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Bill Currie 2003-03-13 03:18:34 +00:00
parent bb1b7c481c
commit 6a79ee57c4
1 changed files with 3 additions and 4 deletions
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7
tools/qfcc/source/linker.c
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@ -269,6 +269,8 @@ process_def (qfo_def_t *def)
qfo_def_t *d; qfo_def_t *d;
if (def->flags & QFOD_EXTERNAL) { if (def->flags & QFOD_EXTERNAL) {
if (!def->num_relocs)
return;
if ((_d = Hash_Find (defined_defs, STRING (def->name)))) { if ((_d = Hash_Find (defined_defs, STRING (def->name)))) {
def->ofs = deref_def (_d, &global_defs)->ofs; def->ofs = deref_def (_d, &global_defs)->ofs;
def->flags = deref_def (_d, &global_defs)->flags; def->flags = deref_def (_d, &global_defs)->flags;
@ -766,7 +768,6 @@ linker_add_lib (const char *libname)
qfo_def_t *def = qfo->defs + j; qfo_def_t *def = qfo->defs + j;
if ((def->flags & QFOD_GLOBAL) if ((def->flags & QFOD_GLOBAL)
&& !(def->flags & QFOD_EXTERNAL) && !(def->flags & QFOD_EXTERNAL)
&& def->relocs
&& Hash_Find (extern_defs, qfo->strings + def->name)) { && Hash_Find (extern_defs, qfo->strings + def->name)) {
if (options.verbosity >= 2) if (options.verbosity >= 2)
printf ("adding %s because of %s\n", printf ("adding %s because of %s\n",
@ -818,9 +819,7 @@ linker_finish (void)
undef_defs = (defref_t **) Hash_GetList (extern_defs); undef_defs = (defref_t **) Hash_GetList (extern_defs);
for (defref = undef_defs; *defref; defref++) { for (defref = undef_defs; *defref; defref++) {
qfo_def_t *def = deref_def (*defref, &global_defs); qfo_def_t *def = deref_def (*defref, &global_defs);
if (def->num_relocs) { def_error (def, "undefined symbol %s", STRING (def->name));
def_error (def, "undefined symbol %s", STRING (def->name));
}
} }
free (undef_defs); free (undef_defs);
if (pr.error_count) if (pr.error_count)