Patch: Improve addr2line symbol conversion

[Gordon Chaffee]

Right now, addr2line does not use dynamic symbols when it does address
to function conversions.  This patch checks if there are no non-dynamic
symbols, then it uses the dynamic symbols for doing address to function
conversion.

- Gordon

--- binutils-2.12/binutils/addr2line.c.orig     Wed Jan 23 08:12:55 2002
+++ binutils-2.12/binutils/addr2line.c  Sun Sep 29 11:30:36 2002
@@ -95,19 +95,16 @@
 slurp_symtab (abfd)
      bfd *abfd;
 {
-  long storage;
   long symcount;
+  unsigned int size;
 
   if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
     return;
+  symcount = bfd_read_minisymbols (abfd, 0 /* dynamic */, (PTR) &syms, &size);
+  if (symcount == 0) {
+    symcount = bfd_read_minisymbols (abfd, 1 /* dynamic */, (PTR) &syms, 
&size);
+  }
 
-  storage = bfd_get_symtab_upper_bound (abfd);
-  if (storage < 0)
-    bfd_fatal (bfd_get_filename (abfd));
-
-  syms = (asymbol **) xmalloc (storage);
-
-  symcount = bfd_canonicalize_symtab (abfd, syms);
   if (symcount < 0)
     bfd_fatal (bfd_get_filename (abfd));
 }