binutils-gdb/ld/ldwarn.c

94 lines
2.4 KiB
C

/*
Copyright (C) 1991 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support.
This file is part of GLD, the GNU linker.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "ldsym.h"
#include "ldwarn.h"
#include "ldmisc.h"
/* we keep all the warning symbols in a list, if we ever get a
warning, we'll search it the hard way. This won't be to bad since
warnings are infrequent, and never that many (true or false ?).
*/
typedef struct warning_list_struct {
struct warning_list_struct *next;
asymbol *sym;
} warning_list_type;
static warning_list_type *warning_list;
/* This is a warning symbol, add the error text to a list we keep, and mark
the symbol referenced as requiring a warning */
void
add_warning (sym)
asymbol *sym;
{
CONST char *name = ((asymbol *)(sym->value))->name;
warning_list_type *new;
ldsym_type *lookup = ldsym_get(name);
lookup->flags |= SYM_WARNING;
new = (warning_list_type *)ldmalloc(sizeof(warning_list_type));
new->next = warning_list;
new->sym = sym;
warning_list = new;
}
/* run through the list we kept, and find the warning associated with
this symbol */
CONST char *
fetch_warning (sym)
asymbol *sym;
{
warning_list_type *ptr = warning_list;
while (ptr != (warning_list_type *)NULL) {
if (strcmp(((asymbol*)(ptr->sym->value))->name, sym->name) == 0) {
return ptr->sym->name;
}
ptr = ptr->next;
}
return "This is a warning without a message !";
}
void
produce_warnings (lgs, it)
ldsym_type *lgs;
asymbol *it;
{
asymbol **ptr;
ptr = lgs->srefs_chain;
while (ptr != (asymbol **)NULL) {
asymbol *ref = *ptr;
info("%B: %s\n", bfd_asymbol_bfd(ref), fetch_warning(it));
ptr = (asymbol **)(ref->udata);
}
}