* elf32-i386.c (elf_backend_plt_readonly): Set correctly, to 1.

	* elf32-sparc.c (elf_backend_plt_readonly): Set correctly, to 0.
PR 8513.

1 files changed, 57 insertions, 27 deletions

diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c
index a3dca6a..c3ac311 100644
--- a/bfd/elf32-sparc.c
+++ b/bfd/elf32-sparc.c
@@ -21,7 +21,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "sysdep.h"
 #include "bfdlink.h"
 #include "libbfd.h"
-#include "libelf.h"
+#include "elf-bfd.h"
 
 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
   PARAMS ((bfd *, bfd_reloc_code_real_type));
@@ -148,7 +148,7 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code)
      bfd *abfd;
      bfd_reloc_code_real_type code;
 {
-  int i;
+  unsigned int i;
   for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
     {
       if (sparc_reloc_map[i].bfd_reloc_val == code)
@@ -231,7 +231,7 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
   rel_end = relocs + sec->reloc_count;
   for (rel = relocs; rel < rel_end; rel++)
     {
-      long r_symndx;
+      unsigned long r_symndx;
       struct elf_link_hash_entry *h;
 
       r_symndx = ELF32_R_SYM (rel->r_info);
@@ -305,7 +305,7 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
 	      if (local_got_offsets == NULL)
 		{
 		  size_t size;
-		  register int i;
+		  register unsigned int i;
 
 		  size = symtab_hdr->sh_info * sizeof (bfd_vma);
 		  local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
@@ -370,14 +370,17 @@ elf32_sparc_check_relocs (abfd, info, sec, relocs)
 	      && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
 	    break;
 	  /* Fall through.  */
-	case R_SPARC_8:
-	case R_SPARC_16:
-	case R_SPARC_32:
 	case R_SPARC_DISP8:
 	case R_SPARC_DISP16:
 	case R_SPARC_DISP32:
 	case R_SPARC_WDISP30:
 	case R_SPARC_WDISP22:
+	  if (h == NULL)
+	    break;
+	  /* Fall through.  */
+	case R_SPARC_8:
+	case R_SPARC_16:
+	case R_SPARC_32:
 	case R_SPARC_HI22:
 	case R_SPARC_22:
 	case R_SPARC_13:
@@ -453,6 +456,7 @@ elf32_sparc_adjust_dynamic_symbol (info, h)
   /* Make sure we know what is going on here.  */
   BFD_ASSERT (dynobj != NULL
 	      && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
+		  || h->weakdef != NULL
 		  || ((h->elf_link_hash_flags
 		       & ELF_LINK_HASH_DEF_DYNAMIC) != 0
 		      && (h->elf_link_hash_flags
@@ -838,7 +842,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
     {
       int r_type;
       reloc_howto_type *howto;
-      long r_symndx;
+      unsigned long r_symndx;
       struct elf_link_hash_entry *h;
       Elf_Internal_Sym *sym;
       asection *sec;
@@ -898,7 +902,11 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
 		  || ((r_type == R_SPARC_GOT10
 		       || r_type == R_SPARC_GOT13
 		       || r_type == R_SPARC_GOT22)
-		      && elf_hash_table (info)->dynamic_sections_created)
+		      && elf_hash_table (info)->dynamic_sections_created
+		      && (! info->shared
+			  || ! info->symbolic
+			  || (h->elf_link_hash_flags
+			      & ELF_LINK_HASH_DEF_REGULAR) == 0))
 		  || (info->shared
 		      && (input_section->flags & SEC_ALLOC) != 0
 		      && (r_type == R_SPARC_8
@@ -931,7 +939,7 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
 	    }
 	  else if (h->root.type == bfd_link_hash_undefweak)
 	    relocation = 0;
-	  else if (info->shared)
+	  else if (info->shared && !info->symbolic)
 	    relocation = 0;
 	  else
 	    {
@@ -963,13 +971,18 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
 	      off = h->got_offset;
 	      BFD_ASSERT (off != (bfd_vma) -1);
 
-	      if (! elf_hash_table (info)->dynamic_sections_created)
+	      if (! elf_hash_table (info)->dynamic_sections_created
+		  || (info->shared
+		      && info->symbolic
+		      && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
 		{
-		  /* This is actually a static link.  We must
-                     initialize this entry in the global offset table.
-                     Since the offset must always be a multiple of 4,
-                     we use the least significant bit to record
-                     whether we have initialized it already.
+		  /* This is actually a static link, or it is a
+                     -Bsymbolic link and the symbol is defined
+                     locally.  We must initialize this entry in the
+                     global offset table.  Since the offset must
+                     always be a multiple of 4, we use the least
+                     significant bit to record whether we have
+                     initialized it already.
 
 		     When doing a dynamic link, we create a .rela.got
 		     relocation entry to initialize the value.  This
@@ -1042,7 +1055,8 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
 	  if (h->plt_offset == (bfd_vma) -1)
 	    {
 	      /* We didn't make a PLT entry for this symbol.  This
-                 happens when statically linking PIC code.  */
+                 happens when statically linking PIC code, or when
+                 using -Bsymbolic.  */
 	      break;
 	    }
 
@@ -1063,14 +1077,17 @@ elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
 	      && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
 	    break;
 	  /* Fall through.  */
-	case R_SPARC_8:
-	case R_SPARC_16:
-	case R_SPARC_32:
 	case R_SPARC_DISP8:
 	case R_SPARC_DISP16:
 	case R_SPARC_DISP32:
 	case R_SPARC_WDISP30:
 	case R_SPARC_WDISP22:
+	  if (h == NULL)
+	    break;
+	  /* Fall through.  */
+	case R_SPARC_8:
+	case R_SPARC_16:
+	case R_SPARC_32:
 	case R_SPARC_HI22:
 	case R_SPARC_22:
 	case R_SPARC_13:
@@ -1280,12 +1297,24 @@ elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym)
       srela = bfd_get_section_by_name (dynobj, ".rela.got");
       BFD_ASSERT (sgot != NULL && srela != NULL);
 
-      bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset);
-
       rela.r_offset = (sgot->output_section->vma
 		       + sgot->output_offset
-		       + h->got_offset);
-      rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
+		       + (h->got_offset &~ 1));
+
+      /* If this is a -Bsymbolic link, and the symbol is defined
+	 locally, we just want to emit a RELATIVE reloc.  The entry in
+	 the global offset table will already have been initialized in
+	 the relocate_section function.  */
+      if (info->shared
+	  && info->symbolic
+	  && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+	rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
+      else
+	{
+	  bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset);
+	  rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
+	}
+
       rela.r_addend = 0;
       bfd_elf32_swap_reloca_out (output_bfd, &rela,
 				 ((Elf32_External_Rela *) srela->contents
@@ -1446,8 +1475,9 @@ elf32_sparc_finish_dynamic_sections (output_bfd, info)
 	  sym.st_shndx = indx;
 
 	  bfd_elf32_swap_symbol_out (output_bfd, &sym,
-(char*)				     ((Elf32_External_Sym *) sdynsym->contents
-				      + elf_section_data (s)->dynindx));
+				     (PTR) (((Elf32_External_Sym *)
+					     sdynsym->contents)
+					    + elf_section_data (s)->dynindx));
 	}
 
       /* Set the sh_info field of the output .dynsym section to the
@@ -1477,7 +1507,7 @@ elf32_sparc_finish_dynamic_sections (output_bfd, info)
 #define elf_backend_finish_dynamic_sections \
 					elf32_sparc_finish_dynamic_sections
 #define elf_backend_want_got_plt 0
-#define elf_backend_plt_readonly 1
+#define elf_backend_plt_readonly 0
 #define elf_backend_want_plt_sym 1
 
 #include "elf32-target.h"