ld/ldwarn.c

   1 #include "sysdep.h"
   2 #include "bfd.h"
   3 #include "ldsym.h"
   4
   5
   6 /* we keep all the warning symbols in a list, if we ever get a
   7    warning, we'll search it the hard way. This won't be to bad since
   8    warnings are infrequent, and never that many (true or false ?).
   9
  10 */
  11
  12 typedef struct warning_list_struct {
  13   struct warning_list_struct *next;
  14   asymbol *sym;
  15 } warning_list_type;
  16
  17
  18 static warning_list_type *warning_list;
  19
  20
  21
  22 /* This is a warning symbol, add the error text to a list we keep, and mark
  23    the symbol referenced as requiring a warning */
  24
  25
  26 void
  27 DEFUN(add_warning,(sym),
  28       asymbol *sym)
  29 {
  30   CONST    char *name = ((asymbol *)(sym->value))->name;
  31   warning_list_type *new;
  32
  33   ldsym_type *lookup = ldsym_get(name);
  34
  35   lookup->flags |= SYM_WARNING;
  36
  37   new = (warning_list_type *)ldmalloc(sizeof(warning_list_type));
  38   new->next = warning_list;
  39   new->sym  = sym;
  40   warning_list = new;
  41 }
  42
  43 /* run through the list we kept, and find the warning associated with
  44    this symbol */
  45 CONST char *
  46 DEFUN(fetch_warning,(sym),
  47 asymbol *sym)
  48 {
  49   warning_list_type *ptr = warning_list;
  50   while (ptr != (warning_list_type *)NULL) {
  51     if (strcmp(((asymbol*)(ptr->sym->value))->name, sym->name) == 0) {
  52       return ptr->sym->name;
  53     }
  54     ptr = ptr->next;
  55   }
  56   return "This is a warning without a message !";
  57 }
  58
  59
  60 void
  61 DEFUN(produce_warnings,(lgs,it),
  62       ldsym_type *lgs AND
  63       asymbol *it)
  64 {
  65   asymbol **ptr;
  66   ptr  = lgs->srefs_chain;
  67   while (ptr != (asymbol **)NULL) {
  68     asymbol *ref = *ptr;
  69     info("%B: %s\n", ref->the_bfd, fetch_warning(it));
  70     ptr = (asymbol **)(ref->udata);
  71   }
  72 }