* elf64-x86-64.c: Convert to ISO C90 prototypes, remove

	unnecessary prototypes.  Replace PTR with void *.

1 files changed, 67 insertions, 175 deletions

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 76af7df..7286627 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -150,72 +150,14 @@ static const struct elf_reloc_map x86_64_reloc_map[] =
   { BFD_RELOC_VTABLE_ENTRY,	R_X86_64_GNU_VTENTRY, },
 };
 
-static reloc_howto_type *elf64_x86_64_reloc_type_lookup
-  PARAMS ((bfd *, bfd_reloc_code_real_type));
-static void elf64_x86_64_info_to_howto
-  PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static bfd_boolean elf64_x86_64_grok_prstatus
-  PARAMS ((bfd *, Elf_Internal_Note *));
-static bfd_boolean elf64_x86_64_grok_psinfo
-  PARAMS ((bfd *, Elf_Internal_Note *));
-static struct bfd_link_hash_table *elf64_x86_64_link_hash_table_create
-  PARAMS ((bfd *));
-static int elf64_x86_64_tls_transition
-  PARAMS ((struct bfd_link_info *, int, int));
-static bfd_boolean elf64_x86_64_mkobject
-  PARAMS((bfd *));
-static bfd_boolean elf64_x86_64_elf_object_p PARAMS ((bfd *abfd));
-static bfd_boolean create_got_section
-  PARAMS((bfd *, struct bfd_link_info *));
-static bfd_boolean elf64_x86_64_create_dynamic_sections
-  PARAMS((bfd *, struct bfd_link_info *));
-static void elf64_x86_64_copy_indirect_symbol
-  PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *,
-	   struct elf_link_hash_entry *));
-static bfd_boolean elf64_x86_64_check_relocs
-  PARAMS ((bfd *, struct bfd_link_info *, asection *sec,
-	   const Elf_Internal_Rela *));
-static asection *elf64_x86_64_gc_mark_hook
-  PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
-	   struct elf_link_hash_entry *, Elf_Internal_Sym *));
-
-static bfd_boolean elf64_x86_64_gc_sweep_hook
-  PARAMS ((bfd *, struct bfd_link_info *, asection *,
-	   const Elf_Internal_Rela *));
-
-static struct bfd_hash_entry *link_hash_newfunc
-  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-static bfd_boolean elf64_x86_64_adjust_dynamic_symbol
-  PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-
-static bfd_boolean allocate_dynrelocs
-  PARAMS ((struct elf_link_hash_entry *, PTR));
-static bfd_boolean readonly_dynrelocs
-  PARAMS ((struct elf_link_hash_entry *, PTR));
-static bfd_boolean elf64_x86_64_size_dynamic_sections
-  PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_vma dtpoff_base
-  PARAMS ((struct bfd_link_info *));
-static bfd_vma tpoff
-  PARAMS ((struct bfd_link_info *, bfd_vma));
-static bfd_boolean elf64_x86_64_relocate_section
-  PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
-	 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static bfd_boolean elf64_x86_64_finish_dynamic_symbol
-  PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
-	   Elf_Internal_Sym *sym));
-static bfd_boolean elf64_x86_64_finish_dynamic_sections
-  PARAMS ((bfd *, struct bfd_link_info *));
-static enum elf_reloc_type_class elf64_x86_64_reloc_type_class
-  PARAMS ((const Elf_Internal_Rela *));
 
 /* Given a BFD reloc type, return a HOWTO structure.  */
 static reloc_howto_type *
-elf64_x86_64_reloc_type_lookup (abfd, code)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     bfd_reloc_code_real_type code;
+elf64_x86_64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+				bfd_reloc_code_real_type code)
 {
   unsigned int i;
+
   for (i = 0; i < sizeof (x86_64_reloc_map) / sizeof (struct elf_reloc_map);
        i++)
     {
@@ -228,10 +170,8 @@ elf64_x86_64_reloc_type_lookup (abfd, code)
 /* Given an x86_64 ELF reloc type, fill in an arelent structure.  */
 
 static void
-elf64_x86_64_info_to_howto (abfd, cache_ptr, dst)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     arelent *cache_ptr;
-     Elf_Internal_Rela *dst;
+elf64_x86_64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
+			    Elf_Internal_Rela *dst)
 {
   unsigned r_type, i;
 
@@ -252,9 +192,7 @@ elf64_x86_64_info_to_howto (abfd, cache_ptr, dst)
 
 /* Support for core dump NOTE sections.  */
 static bfd_boolean
-elf64_x86_64_grok_prstatus (abfd, note)
-     bfd *abfd;
-     Elf_Internal_Note *note;
+elf64_x86_64_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
 {
   int offset;
   size_t raw_size;
@@ -286,9 +224,7 @@ elf64_x86_64_grok_prstatus (abfd, note)
 }
 
 static bfd_boolean
-elf64_x86_64_grok_psinfo (abfd, note)
-     bfd *abfd;
-     Elf_Internal_Note *note;
+elf64_x86_64_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
 {
   switch (note->descsz)
     {
@@ -447,10 +383,8 @@ struct elf64_x86_64_link_hash_table
 /* Create an entry in an x86-64 ELF linker hash table.	*/
 
 static struct bfd_hash_entry *
-link_hash_newfunc (entry, table, string)
-     struct bfd_hash_entry *entry;
-     struct bfd_hash_table *table;
-     const char *string;
+link_hash_newfunc (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
+		   const char *string)
 {
   /* Allocate the structure if it has not already been allocated by a
      subclass.  */
@@ -479,8 +413,7 @@ link_hash_newfunc (entry, table, string)
 /* Create an X86-64 ELF linker hash table.  */
 
 static struct bfd_link_hash_table *
-elf64_x86_64_link_hash_table_create (abfd)
-     bfd *abfd;
+elf64_x86_64_link_hash_table_create (bfd *abfd)
 {
   struct elf64_x86_64_link_hash_table *ret;
   bfd_size_type amt = sizeof (struct elf64_x86_64_link_hash_table);
@@ -512,9 +445,7 @@ elf64_x86_64_link_hash_table_create (abfd)
    shortcuts to them in our hash table.  */
 
 static bfd_boolean
-create_got_section (dynobj, info)
-     bfd *dynobj;
-     struct bfd_link_info *info;
+create_got_section (bfd *dynobj, struct bfd_link_info *info)
 {
   struct elf64_x86_64_link_hash_table *htab;
 
@@ -543,9 +474,7 @@ create_got_section (dynobj, info)
    hash table.  */
 
 static bfd_boolean
-elf64_x86_64_create_dynamic_sections (dynobj, info)
-     bfd *dynobj;
-     struct bfd_link_info *info;
+elf64_x86_64_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
 {
   struct elf64_x86_64_link_hash_table *htab;
 
@@ -572,9 +501,9 @@ elf64_x86_64_create_dynamic_sections (dynobj, info)
 /* Copy the extra info we tack onto an elf_link_hash_entry.  */
 
 static void
-elf64_x86_64_copy_indirect_symbol (bed, dir, ind)
-     struct elf_backend_data *bed;
-     struct elf_link_hash_entry *dir, *ind;
+elf64_x86_64_copy_indirect_symbol (struct elf_backend_data *bed,
+				   struct elf_link_hash_entry *dir,
+				   struct elf_link_hash_entry *ind)
 {
   struct elf64_x86_64_link_hash_entry *edir, *eind;
 
@@ -637,8 +566,7 @@ elf64_x86_64_copy_indirect_symbol (bed, dir, ind)
 }
 
 static bfd_boolean
-elf64_x86_64_mkobject (abfd)
-     bfd *abfd;
+elf64_x86_64_mkobject (bfd *abfd)
 {
   bfd_size_type amt = sizeof (struct elf64_x86_64_obj_tdata);
   abfd->tdata.any = bfd_zalloc (abfd, amt);
@@ -648,8 +576,7 @@ elf64_x86_64_mkobject (abfd)
 }
 
 static bfd_boolean
-elf64_x86_64_elf_object_p (abfd)
-  bfd *abfd;
+elf64_x86_64_elf_object_p (bfd *abfd)
 {
   /* Allocate our special target data.  */
   struct elf64_x86_64_obj_tdata *new_tdata;
@@ -665,10 +592,7 @@ elf64_x86_64_elf_object_p (abfd)
 }
 
 static int
-elf64_x86_64_tls_transition (info, r_type, is_local)
-     struct bfd_link_info *info;
-     int r_type;
-     int is_local;
+elf64_x86_64_tls_transition (struct bfd_link_info *info, int r_type, int is_local)
 {
   if (info->shared)
     return r_type;
@@ -692,11 +616,8 @@ elf64_x86_64_tls_transition (info, r_type, is_local)
    linkage table, and dynamic reloc sections.  */
 
 static bfd_boolean
-elf64_x86_64_check_relocs (abfd, info, sec, relocs)
-     bfd *abfd;
-     struct bfd_link_info *info;
-     asection *sec;
-     const Elf_Internal_Rela *relocs;
+elf64_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
+			   const Elf_Internal_Rela *relocs)
 {
   struct elf64_x86_64_link_hash_table *htab;
   Elf_Internal_Shdr *symtab_hdr;
@@ -1060,12 +981,11 @@ elf64_x86_64_check_relocs (abfd, info, sec, relocs)
    relocation.	*/
 
 static asection *
-elf64_x86_64_gc_mark_hook (sec, info, rel, h, sym)
-     asection *sec;
-     struct bfd_link_info *info ATTRIBUTE_UNUSED;
-     Elf_Internal_Rela *rel;
-     struct elf_link_hash_entry *h;
-     Elf_Internal_Sym *sym;
+elf64_x86_64_gc_mark_hook (asection *sec,
+			   struct bfd_link_info *info ATTRIBUTE_UNUSED,
+			   Elf_Internal_Rela *rel,
+			   struct elf_link_hash_entry *h,
+			   Elf_Internal_Sym *sym)
 {
   if (h != NULL)
     {
@@ -1099,11 +1019,8 @@ elf64_x86_64_gc_mark_hook (sec, info, rel, h, sym)
 /* Update the got entry reference counts for the section being removed.	 */
 
 static bfd_boolean
-elf64_x86_64_gc_sweep_hook (abfd, info, sec, relocs)
-     bfd *abfd;
-     struct bfd_link_info *info;
-     asection *sec;
-     const Elf_Internal_Rela *relocs;
+elf64_x86_64_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
+			    asection *sec, const Elf_Internal_Rela *relocs)
 {
   Elf_Internal_Shdr *symtab_hdr;
   struct elf_link_hash_entry **sym_hashes;
@@ -1202,9 +1119,8 @@ elf64_x86_64_gc_sweep_hook (abfd, info, sec, relocs)
    understand.	*/
 
 static bfd_boolean
-elf64_x86_64_adjust_dynamic_symbol (info, h)
-     struct bfd_link_info *info;
-     struct elf_link_hash_entry *h;
+elf64_x86_64_adjust_dynamic_symbol (struct bfd_link_info *info,
+				    struct elf_link_hash_entry *h)
 {
   struct elf64_x86_64_link_hash_table *htab;
   asection *s;
@@ -1217,11 +1133,9 @@ elf64_x86_64_adjust_dynamic_symbol (info, h)
       || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
     {
       if (h->plt.refcount <= 0
-	  || (! info->shared
-	      && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
-	      && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
-	      && h->root.type != bfd_link_hash_undefweak
-	      && h->root.type != bfd_link_hash_undefined))
+	  || SYMBOL_CALLS_LOCAL (info, h)
+	  || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+	      && h->root.type == bfd_link_hash_undefweak))
 	{
 	  /* This case can occur if we saw a PLT32 reloc in an input
 	     file, but the symbol was never referred to by a dynamic
@@ -1355,9 +1269,9 @@ elf64_x86_64_adjust_dynamic_symbol (info, h)
    will be called from elflink.h.  If elflink.h doesn't call our
    finish_dynamic_symbol routine, we'll need to do something about
    initializing any .plt and .got entries in elf64_x86_64_relocate_section.  */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
+#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \
   ((DYN)								\
-   && ((INFO)->shared							\
+   && ((SHARED)								\
        || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)	\
    && ((H)->dynindx != -1						\
        || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
@@ -1366,9 +1280,7 @@ elf64_x86_64_adjust_dynamic_symbol (info, h)
    dynamic relocs.  */
 
 static bfd_boolean
-allocate_dynrelocs (h, inf)
-     struct elf_link_hash_entry *h;
-     PTR inf;
+allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
 {
   struct bfd_link_info *info;
   struct elf64_x86_64_link_hash_table *htab;
@@ -1385,9 +1297,7 @@ allocate_dynrelocs (h, inf)
   htab = elf64_x86_64_hash_table (info);
 
   if (htab->elf.dynamic_sections_created
-      && h->plt.refcount > 0
-      && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
-	  || h->root.type != bfd_link_hash_undefweak))
+      && h->plt.refcount > 0)
     {
       /* Make sure this symbol is output as a dynamic symbol.
 	 Undefined weak syms won't yet be marked as dynamic.  */
@@ -1398,7 +1308,8 @@ allocate_dynrelocs (h, inf)
 	    return FALSE;
 	}
 
-      if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
+      if (info->shared
+	  || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
 	{
 	  asection *s = htab->splt;
 
@@ -1482,7 +1393,8 @@ allocate_dynrelocs (h, inf)
 	htab->srelgot->_raw_size += 2 * sizeof (Elf64_External_Rela);
       else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
 		|| h->root.type != bfd_link_hash_undefweak)
-	       && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
+	       && (info->shared
+		   || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
 	htab->srelgot->_raw_size += sizeof (Elf64_External_Rela);
     }
   else
@@ -1500,9 +1412,13 @@ allocate_dynrelocs (h, inf)
 
   if (info->shared)
     {
-      if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
-	  && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
-	      || info->symbolic))
+      /* Relocs that use pc_count are those that appear on a call
+	 insn, or certain REL relocs that can generated via assembly.
+	 We want calls to protected symbols to resolve directly to the
+	 function rather than going via the plt.  If people want
+	 function pointer comparisons to work as expected then they
+	 should avoid writing weird assembly.  */
+      if (SYMBOL_CALLS_LOCAL (info, h))
 	{
 	  struct elf64_x86_64_dyn_relocs **pp;
 
@@ -1569,9 +1485,7 @@ allocate_dynrelocs (h, inf)
 /* Find any dynamic relocs that apply to read-only sections.  */
 
 static bfd_boolean
-readonly_dynrelocs (h, inf)
-     struct elf_link_hash_entry *h;
-     PTR inf;
+readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
 {
   struct elf64_x86_64_link_hash_entry *eh;
   struct elf64_x86_64_dyn_relocs *p;
@@ -1600,9 +1514,8 @@ readonly_dynrelocs (h, inf)
 /* Set the sizes of the dynamic sections.  */
 
 static bfd_boolean
-elf64_x86_64_size_dynamic_sections (output_bfd, info)
-     bfd *output_bfd ATTRIBUTE_UNUSED;
-     struct bfd_link_info *info;
+elf64_x86_64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+				    struct bfd_link_info *info)
 {
   struct elf64_x86_64_link_hash_table *htab;
   bfd *dynobj;
@@ -1824,8 +1737,7 @@ elf64_x86_64_size_dynamic_sections (output_bfd, info)
    This is PT_TLS segment p_vaddr.  */
 
 static bfd_vma
-dtpoff_base (info)
-     struct bfd_link_info *info;
+dtpoff_base (struct bfd_link_info *info)
 {
   /* If tls_segment is NULL, we should have signalled an error already.  */
   if (elf_hash_table (info)->tls_segment == NULL)
@@ -1837,9 +1749,7 @@ dtpoff_base (info)
    if STT_TLS virtual address is ADDRESS.  */
 
 static bfd_vma
-tpoff (info, address)
-     struct bfd_link_info *info;
-     bfd_vma address;
+tpoff (struct bfd_link_info *info, bfd_vma address)
 {
   struct elf_link_tls_segment *tls_segment
     = elf_hash_table (info)->tls_segment;
@@ -1854,16 +1764,11 @@ tpoff (info, address)
 /* Relocate an x86_64 ELF section.  */
 
 static bfd_boolean
-elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
-			       contents, relocs, local_syms, local_sections)
-     bfd *output_bfd;
-     struct bfd_link_info *info;
-     bfd *input_bfd;
-     asection *input_section;
-     bfd_byte *contents;
-     Elf_Internal_Rela *relocs;
-     Elf_Internal_Sym *local_syms;
-     asection **local_sections;
+elf64_x86_64_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
+			       bfd *input_bfd, asection *input_section,
+			       bfd_byte *contents, Elf_Internal_Rela *relocs,
+			       Elf_Internal_Sym *local_syms,
+			       asection **local_sections)
 {
   struct elf64_x86_64_link_hash_table *htab;
   Elf_Internal_Shdr *symtab_hdr;
@@ -1981,12 +1886,9 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
 	      off = h->got.offset;
 	      dyn = htab->elf.dynamic_sections_created;
 
-	      if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
+	      if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
 		  || (info->shared
-		      && (info->symbolic
-			  || h->dynindx == -1
-			  || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
-		      && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+		      && SYMBOL_REFERENCES_LOCAL (info, h))
 		  || (ELF_ST_VISIBILITY (h->other)
 		      && h->root.type == bfd_link_hash_undefweak))
 		{
@@ -2114,10 +2016,7 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
 		    && r_type != R_X86_64_PC16
 		    && r_type != R_X86_64_PC32)
 		   || (h != NULL
-		       && h->dynindx != -1
-		       && (! info->symbolic
-			   || (h->elf_link_hash_flags
-			       & ELF_LINK_HASH_DEF_REGULAR) == 0))))
+		       && !SYMBOL_CALLS_LOCAL (info, h))))
 	      || (ELIMINATE_COPY_RELOCS
 		  && !info->shared
 		  && h != NULL
@@ -2604,11 +2503,10 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
    dynamic sections here.  */
 
 static bfd_boolean
-elf64_x86_64_finish_dynamic_symbol (output_bfd, info, h, sym)
-     bfd *output_bfd;
-     struct bfd_link_info *info;
-     struct elf_link_hash_entry *h;
-     Elf_Internal_Sym *sym;
+elf64_x86_64_finish_dynamic_symbol (bfd *output_bfd,
+				    struct bfd_link_info *info,
+				    struct elf_link_hash_entry *h,
+				    Elf_Internal_Sym *sym)
 {
   struct elf64_x86_64_link_hash_table *htab;
 
@@ -2714,10 +2612,7 @@ elf64_x86_64_finish_dynamic_symbol (output_bfd, info, h, sym)
 	 The entry in the global offset table will already have been
 	 initialized in the relocate_section function.  */
       if (info->shared
-	  && (info->symbolic
-	      || h->dynindx == -1
-	      || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
-	  && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+	  && SYMBOL_REFERENCES_LOCAL (info, h))
 	{
 	  BFD_ASSERT((h->got.offset & 1) != 0);
 	  rela.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE);
@@ -2774,8 +2669,7 @@ elf64_x86_64_finish_dynamic_symbol (output_bfd, info, h, sym)
    dynamic linker, before writing them out.  */
 
 static enum elf_reloc_type_class
-elf64_x86_64_reloc_type_class (rela)
-     const Elf_Internal_Rela *rela;
+elf64_x86_64_reloc_type_class (const Elf_Internal_Rela *rela)
 {
   switch ((int) ELF64_R_TYPE (rela->r_info))
     {
@@ -2793,9 +2687,7 @@ elf64_x86_64_reloc_type_class (rela)
 /* Finish up the dynamic sections.  */
 
 static bfd_boolean
-elf64_x86_64_finish_dynamic_sections (output_bfd, info)
-     bfd *output_bfd;
-     struct bfd_link_info *info;
+elf64_x86_64_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
 {
   struct elf64_x86_64_link_hash_table *htab;
   bfd *dynobj;