* elf32-ppc.c: Formatting and comment fixes.

	(ELIMINATE_COPY_RELOCS): Move before ppc_elf_copy_indirect_symbol.
	(ppc_elf_copy_indirect_symbol): Copy flags here for weakdefs.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1deba07..74be0b2 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,9 +1,15 @@
-2003-04-24 Dhananjay Deshpande <dhananjayd@kpitcummins.com> 
+2003-04-24  Alan Modra  <amodra@bigpond.net.au>
+
+       * elf32-ppc.c: Formatting and comment fixes.
+       (ELIMINATE_COPY_RELOCS): Move before ppc_elf_copy_indirect_symbol.
+       (ppc_elf_copy_indirect_symbol): Copy flags here for weakdefs.
+
+2003-04-24 Dhananjay Deshpande <dhananjayd@kpitcummins.com>
 
        * archures.c (bfd_mach_h8300hn, bfd_mach_h8300sn): Added.
        * bfd-in2.h: Rebuilt.
        * coff-h8300.c (BADMAG): Add check for H8300HNBADMAG & H8300SNBADMAG.
-       * coffcode.h (coff_set_arch_mach_hook): Add case for H8300HNMAGIC 
+       * coffcode.h (coff_set_arch_mach_hook): Add case for H8300HNMAGIC
        & H8300SNMAGIC.
        (coff_set_flags): Add case for bfd_mach_h8300hn & bfd_mach_h8300sn.
        * cpu-h8300.c (h8300_scan): Handle h8300hn, h8300sn.
@@ -16,9 +22,9 @@
        * elf32-sh.c (tpoff): New.
        (struct elf_sh_dyn_relocs): Remove tls_tpoff32.
        (WILL_CALL_FINISH_DYNAMIC_SYMBOL): Pass SHARED instead of INFO.
-        (allocate_dynrelocs): Don't make unnecessary dynamic TLS
+       (allocate_dynrelocs): Don't make unnecessary dynamic TLS
        relocations.  Adjust WILL_CALL_FINISH_DYNAMIC_SYMBOL uses.
-        (sh_elf_relocate_section): Likewise. Remove unnecessary tests.
+       (sh_elf_relocate_section): Likewise. Remove unnecessary tests.
        (dtpoff_base): Fix wrong indentation.
        (sh_elf_check_relocs): Don't set DF_STATIC_TLS flag with non-TLS
        relocations.  Don't set tls_tpoff32 flag.  Don't make unnecessary

diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 186f39d..22cff53 100644 (file)
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -16,8 +16,9 @@
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   along with this program; if not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
 /* This file is based on a preliminary PowerPC ELF ABI.  The
    information may not match the final PowerPC ELF ABI.  It includes
@@ -152,7 +153,7 @@ static bfd_boolean ppc_elf_grok_psinfo
    function symbols not defined in an app are set to their .plt entry,
    it's necessary for shared libs to also reference the .plt even
    though the symbol is really local to the shared lib.  */
-#define SYMBOL_REFERENCES_LOCAL(INFO, H)                               \
+#define SYMBOL_REFERENCES_LOCAL(INFO, H)                               \
   ((! INFO->shared                                                     \
     || INFO->symbolic                                                  \
     || H->dynindx == -1                                                        \
@@ -161,7 +162,7 @@ static bfd_boolean ppc_elf_grok_psinfo
    && (H->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0)
 
 /* Will _calls_ to this symbol always call the version in this object?  */
-#define SYMBOL_CALLS_LOCAL(INFO, H)                            \
+#define SYMBOL_CALLS_LOCAL(INFO, H)                                    \
   ((! INFO->shared                                                     \
     || INFO->symbolic                                                  \
     || H->dynindx == -1                                                        \
@@ -198,7 +199,7 @@ struct ppc_elf_link_hash_entry
   struct ppc_elf_dyn_relocs *dyn_relocs;
 
   /* Contexts in which symbol is used in the GOT (or TOC).
-     TLS_GD .. TLS_EXPLICIT bits are or'd into the mask as the
+     TLS_GD .. TLS_TLS bits are or'd into the mask as the
      corresponding relocs are encountered during check_relocs.
      tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
      indicate the corresponding GOT entry type is not needed.  */
@@ -319,6 +320,12 @@ ppc_elf_link_hash_table_create (abfd)
   return &ret->elf.root;
 }
 
+/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
+   copying dynamic variables from a shared lib into an app's dynbss
+   section, and instead use a dynamic relocation to point into the
+   shared lib.  */
+#define ELIMINATE_COPY_RELOCS 1
+
 /* Copy the extra info we tack onto an elf_link_hash_entry.  */
 
 static void
@@ -367,7 +374,16 @@ ppc_elf_copy_indirect_symbol (bed, dir, ind)
 
   edir->tls_mask |= eind->tls_mask;
 
-  _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
+  if (ELIMINATE_COPY_RELOCS && ind->root.type != bfd_link_hash_indirect)
+    /* If called to transfer flags for a weakdef during processing
+       of elf_adjust_dynamic_symbol, don't copy ELF_LINK_NON_GOT_REF.
+       We clear it ourselves for ELIMINATE_COPY_RELOCS.  */
+    dir->elf_link_hash_flags |=
+      (ind->elf_link_hash_flags & (ELF_LINK_HASH_REF_DYNAMIC
+                                  | ELF_LINK_HASH_REF_REGULAR
+                                  | ELF_LINK_HASH_REF_REGULAR_NONWEAK));
+  else
+    _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
 }
 \f
 static reloc_howto_type *ppc_elf_howto_table[(int) R_PPC_max];
@@ -1613,10 +1629,14 @@ ppc_elf_howto_init ()
 {
   unsigned int i, type;
 
-  for (i = 0; i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]); i++)
+  for (i = 0;
+       i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
+       i++)
     {
       type = ppc_elf_howto_raw[i].type;
-      BFD_ASSERT (type < sizeof (ppc_elf_howto_table) / sizeof (ppc_elf_howto_table[0]));
+      if (type >= (sizeof (ppc_elf_howto_table)
+                  / sizeof (ppc_elf_howto_table[0])))
+       abort ();
       ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
     }
 }
@@ -1630,7 +1650,8 @@ ppc_elf_howto_init ()
    2/ The branch is predicted as not taken.
    3/ The branch is taken.
    4/ The branch is located in the last 5 words of a page.
-      (The EOP limit is 5 by default but may be specified as any value from 1-10.)
+      (The EOP limit is 5 by default but may be specified as any value
+      from 1-10.)
 
    Our software solution is to detect these problematic branches in a
    linker pass and modify them as follows:
@@ -2455,12 +2476,6 @@ ppc_elf_create_dynamic_sections (abfd, info)
   return bfd_set_section_flags (abfd, s, flags);
 }
 
-/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
-   copying dynamic variables from a shared lib into an app's dynbss
-   section, and instead use a dynamic relocation to point into the
-   shared lib.  */
-#define ELIMINATE_COPY_RELOCS 1
-
 /* Adjust a symbol defined by a dynamic object and referenced by a
    regular object.  The current definition is in some section of the
    dynamic object, but we're not including those sections.  We have to
@@ -2500,7 +2515,7 @@ ppc_elf_adjust_dynamic_symbol (info, h)
       /* Clear procedure linkage table information for any symbol that
         won't need a .plt entry.  */
       if (! htab->elf.dynamic_sections_created
-         || SYMBOL_CALLS_LOCAL (info, h)
+         || SYMBOL_CALLS_LOCAL (info, h)
          || h->plt.refcount <= 0)
        {
          /* A PLT entry is not required/allowed when: