/* BFD back-end for National Semiconductor's CR16 ELF
- Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Written by M R Swami Reddy.
This file is part of BFD, the Binary File Descriptor library.
linking with -Bsymbolic. We store the information in a field
extending the regular ELF linker hash table. */
-struct elf32_cr16_link_hash_entry {
+struct elf32_cr16_link_hash_entry
+{
/* The basic elf link hash table entry. */
struct elf_link_hash_entry root;
bfd_vma value;
};
-/* We derive a hash table from the main elf linker hash table so
- we can store state variables and a secondary hash table without
- resorting to global variables. */
-struct elf32_cr16_link_hash_table {
- /* The main hash table. */
- struct elf_link_hash_table root;
-
- /* A hash table for static functions. We could derive a new hash table
- instead of using the full elf32_cr16_link_hash_table if we wanted
- to save some memory. */
- struct elf32_cr16_link_hash_table *static_hash_table;
-
- /* Random linker state flags. */
-#define CR16_HASH_ENTRIES_INITIALIZED 0x1
- char flags;
-};
-
-/* For CR16 linker hash table. */
-
-/* Get the CR16 ELF linker hash table from a link_info structure. */
-
-#define elf32_cr16_hash_table(p) \
- ((struct elf32_cr16_link_hash_table *) ((p)->hash))
-
-#define elf32_cr16_link_hash_traverse(table, func, info) \
- (elf_link_hash_traverse \
- (&(table)->root, \
- (bfd_boolean (*) ((struct elf_link_hash_entry *, void *))) (func), (info)))
-
/* cr16_reloc_map array maps BFD relocation enum into a CRGAS relocation type. */
struct cr16_reloc_map
unsigned short r_type = howto->type;
bfd_byte *hit_data = contents + offset;
bfd_vma reloc_bits, check, Rvalue1;
-
bfd * dynobj;
- bfd_vma * local_got_offsets;
- asection * sgot;
dynobj = elf_hash_table (info)->dynobj;
- local_got_offsets = elf_local_got_offsets (input_bfd);
-
- sgot = NULL;
-
switch (r_type)
{
unsigned int sec_shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
- Elf_Internal_Rela *irelalign;
bfd_vma toaddr;
Elf_Internal_Sym *isym;
Elf_Internal_Sym *isymend;
contents = elf_section_data (sec)->this_hdr.contents;
- /* The deletion must stop at the next ALIGN reloc for an aligment
- power larger than the number of bytes we are deleting. */
- irelalign = NULL;
toaddr = sec->size;
irel = elf_section_data (sec)->relocs;
struct elf_link_hash_entry **sym_hashes;
Elf_Internal_Rela *rel, *relend;
- if (info->relocatable)
- return TRUE;
-
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
sym_hashes = elf_sym_hashes (input_bfd);
}
if (sec != NULL && elf_discarded_section (sec))
- {
- /* For relocs against symbols from removed linkonce sections,
- or sections discarded by a linker script, we just want the
- section contents zeroed. Avoid any special processing. */
- _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
- rel->r_info = 0;
- rel->r_addend = 0;
- continue;
- }
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
if (info->relocatable)
continue;
static struct bfd_link_hash_table *
elf32_cr16_link_hash_table_create (bfd *abfd)
{
- struct elf32_cr16_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct elf32_cr16_link_hash_table);
+ struct elf_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_link_hash_table);
- ret = (struct elf32_cr16_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct elf32_cr16_link_hash_table *) NULL)
+ ret = (struct elf_link_hash_table *) bfd_malloc (amt);
+ if (ret == (struct elf_link_hash_table *) NULL)
return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ if (!_bfd_elf_link_hash_table_init (ret, abfd,
elf32_cr16_link_hash_newfunc,
- sizeof (struct elf32_cr16_link_hash_entry)))
+ sizeof (struct elf32_cr16_link_hash_entry),
+ GENERIC_ELF_DATA))
{
free (ret);
return NULL;
}
- ret->flags = 0;
- amt = sizeof (struct elf_link_hash_table);
- ret->static_hash_table
- = (struct elf32_cr16_link_hash_table *) bfd_malloc (amt);
- if (ret->static_hash_table == NULL)
- {
- free (ret);
- return NULL;
- }
-
- if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
- elf32_cr16_link_hash_newfunc,
- sizeof (struct elf32_cr16_link_hash_entry)))
- {
- free (ret->static_hash_table);
- free (ret);
- return NULL;
- }
- return &ret->root.root;
+ return &ret->root;
}
/* Free an cr16 ELF linker hash table. */
static void
elf32_cr16_link_hash_table_free (struct bfd_link_hash_table *hash)
{
- struct elf32_cr16_link_hash_table *ret
- = (struct elf32_cr16_link_hash_table *) hash;
+ struct elf_link_hash_table *ret
+ = (struct elf_link_hash_table *) hash;
- _bfd_generic_link_hash_table_free
- ((struct bfd_link_hash_table *) ret->static_hash_table);
_bfd_generic_link_hash_table_free
((struct bfd_link_hash_table *) ret);
}
static asection *
elf32_cr16_gc_mark_hook (asection *sec,
- struct bfd_link_info *info ATTRIBUTE_UNUSED,
- Elf_Internal_Rela *rel ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
- if (h == NULL)
- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
-
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- return NULL;
- }
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Update the got entry reference counts for the section being removed. */
projects / deliverable / binutils-gdb.git / blobdiff