source: scripts/patch/binutils/2.19.1/10-strip_symbol_table.patch@ 0179f08

http://sourceware.org/bugzilla/show_bug.cgi?id=9945

2009-03-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR binutils/9945
        * elf.c (assign_section_numbers): Generate symbol table if there
        is any relocation in output.
        (_bfd_elf_compute_section_file_positions): Likewise.

2009-03-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR binutils/9945
        * objcopy.c (copy_object): Clear HAS_RELOC when stripping all.

===================================================================
RCS file: /cvs/src/src/bfd/elf.c,v
retrieving revision 1.477
retrieving revision 1.478
diff -u -r1.477 -r1.478
--- src/bfd/elf.c       2009/02/25 14:39:35     1.477
+++ src/bfd/elf.c       2009/03/13 13:39:56     1.478
@@ -2774,6 +2774,7 @@
   unsigned int section_number, secn;
   Elf_Internal_Shdr **i_shdrp;
   struct bfd_elf_section_data *d;
+  bfd_boolean need_symtab;
 
   section_number = 1;
 
@@ -2829,7 +2830,11 @@
   _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->shstrtab_hdr.sh_name);
   elf_elfheader (abfd)->e_shstrndx = t->shstrtab_section;
 
-  if (bfd_get_symcount (abfd) > 0)
+  need_symtab = (bfd_get_symcount (abfd) > 0
+               || (link_info == NULL
+                   && ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC))
+                       == HAS_RELOC)));
+  if (need_symtab)
     {
       t->symtab_section = section_number++;
       _bfd_elf_strtab_addref (elf_shstrtab (abfd), t->symtab_hdr.sh_name);
@@ -2868,7 +2873,7 @@
   elf_elfsections (abfd) = i_shdrp;
 
   i_shdrp[t->shstrtab_section] = &t->shstrtab_hdr;
-  if (bfd_get_symcount (abfd) > 0)
+  if (need_symtab)
     {
       i_shdrp[t->symtab_section] = &t->symtab_hdr;
       if (elf_numsections (abfd) > (SHN_LORESERVE & 0xFFFF))
@@ -3261,6 +3266,7 @@
   bfd_boolean failed;
   struct bfd_strtab_hash *strtab = NULL;
   Elf_Internal_Shdr *shstrtab_hdr;
+  bfd_boolean need_symtab;
 
   if (abfd->output_has_begun)
     return TRUE;
@@ -3285,7 +3291,11 @@
     return FALSE;
 
   /* The backend linker builds symbol table information itself.  */
-  if (link_info == NULL && bfd_get_symcount (abfd) > 0)
+  need_symtab = (link_info == NULL
+                && (bfd_get_symcount (abfd) > 0
+                    || ((abfd->flags & (EXEC_P | DYNAMIC | HAS_RELOC))
+                        == HAS_RELOC)));
+  if (need_symtab)
     {
       /* Non-zero if doing a relocatable link.  */
       int relocatable_p = ! (abfd->flags & (EXEC_P | DYNAMIC));
@@ -3316,7 +3326,7 @@
   if (!assign_file_positions_except_relocs (abfd, link_info))
     return FALSE;
 
-  if (link_info == NULL && bfd_get_symcount (abfd) > 0)
+  if (need_symtab)
     {
       file_ptr off;
       Elf_Internal_Shdr *hdr;
===================================================================
RCS file: /cvs/src/src/binutils/objcopy.c,v
retrieving revision 1.126
retrieving revision 1.127
diff -u -r1.126 -r1.127
--- src/binutils/objcopy.c      2009/03/10 00:48:09     1.126
+++ src/binutils/objcopy.c      2009/03/13 13:39:57     1.127
@@ -1396,6 +1396,9 @@
       flags &= ~bfd_flags_to_clear;
       flags &= bfd_applicable_file_flags (obfd);
 
+      if (strip_symbols == STRIP_ALL)
+       flags &= ~HAS_RELOC;
+
       if (!bfd_set_start_address (obfd, start)
          || !bfd_set_file_flags (obfd, flags))
        {