#include "elf-bfd.h"
#include "elf/vax.h"
-static reloc_howto_type *reloc_type_lookup
- PARAMS ((bfd *, bfd_reloc_code_real_type));
-static void rtype_to_howto
- PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
-static struct bfd_hash_entry *elf_vax_link_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-static struct bfd_link_hash_table *elf_vax_link_hash_table_create
- PARAMS ((bfd *));
-static bfd_boolean elf_vax_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static asection *elf_vax_gc_mark_hook
- PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-static bfd_boolean elf_vax_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-static bfd_boolean elf_vax_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-static bfd_boolean elf_vax_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean elf_vax_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-static bfd_boolean elf_vax_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *));
-static bfd_boolean elf_vax_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static bfd_boolean elf32_vax_set_private_flags
- PARAMS ((bfd *, flagword));
-static bfd_boolean elf32_vax_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static bfd_boolean elf32_vax_print_private_bfd_data
- PARAMS ((bfd *, PTR));
+static reloc_howto_type *reloc_type_lookup (bfd *, bfd_reloc_code_real_type);
+static void rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *);
+static struct bfd_hash_entry *elf_vax_link_hash_newfunc (struct bfd_hash_entry *,
+ struct bfd_hash_table *,
+ const char *);
+static struct bfd_link_hash_table *elf_vax_link_hash_table_create (bfd *);
+static bfd_boolean elf_vax_check_relocs (bfd *, struct bfd_link_info *,
+ asection *, const Elf_Internal_Rela *);
+static asection *elf_vax_gc_mark_hook (asection *, struct bfd_link_info *,
+ Elf_Internal_Rela *,
+ struct elf_link_hash_entry *,
+ Elf_Internal_Sym *);
+static bfd_boolean elf_vax_gc_sweep_hook (bfd *, struct bfd_link_info *,
+ asection *,
+ const Elf_Internal_Rela *);
+static bfd_boolean elf_vax_adjust_dynamic_symbol (struct bfd_link_info *,
+ struct elf_link_hash_entry *);
+static bfd_boolean elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *);
+static bfd_boolean elf_vax_relocate_section (bfd *, struct bfd_link_info *,
+ bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *,
+ Elf_Internal_Sym *, asection **);
+static bfd_boolean elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *,
+ struct elf_link_hash_entry *,
+ Elf_Internal_Sym *);
+static bfd_boolean elf_vax_finish_dynamic_sections (bfd *,
+ struct bfd_link_info *);
+
+static bfd_boolean elf32_vax_set_private_flags (bfd *, flagword);
+static bfd_boolean elf32_vax_merge_private_bfd_data (bfd *, bfd *);
+static bfd_boolean elf32_vax_print_private_bfd_data (bfd *, PTR);
static reloc_howto_type howto_table[] = {
HOWTO (R_VAX_NONE, /* type */
};
static void
-rtype_to_howto (abfd, cache_ptr, dst)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *cache_ptr;
- Elf_Internal_Rela *dst;
+rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
{
BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_VAX_max);
cache_ptr->howto = &howto_table[ELF32_R_TYPE(dst->r_info)];
};
static reloc_howto_type *
-reloc_type_lookup (abfd, code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type code;
+reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
{
unsigned int i;
for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++)
/* Declare this now that the above structures are defined. */
-static bfd_boolean elf_vax_discard_copies
- PARAMS ((struct elf_vax_link_hash_entry *, PTR));
+static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *,
+ PTR);
/* Declare this now that the above structures are defined. */
-static bfd_boolean elf_vax_instantiate_got_entries
- PARAMS ((struct elf_link_hash_entry *, PTR));
+static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *,
+ PTR);
/* Traverse an VAX ELF linker hash table. */
#define elf_vax_link_hash_traverse(table, func, info) \
(elf_link_hash_traverse \
(&(table)->root, \
- (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
+ (bfd_boolean (*) (struct elf_link_hash_entry *, PTR)) (func), \
(info)))
/* Get the VAX ELF linker hash table from a link_info structure. */
-#define elf_vax_hash_table(p) \
- ((struct elf_vax_link_hash_table *) (p)->hash)
+#define elf_vax_hash_table(p) ((struct elf_vax_link_hash_table *) (p)->hash)
/* Create an entry in an VAX ELF linker hash table. */
static struct bfd_hash_entry *
-elf_vax_link_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+elf_vax_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
struct elf_vax_link_hash_entry *ret =
(struct elf_vax_link_hash_entry *) entry;
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == (struct elf_vax_link_hash_entry *) NULL)
+ if (ret == NULL)
ret = ((struct elf_vax_link_hash_entry *)
bfd_hash_allocate (table,
sizeof (struct elf_vax_link_hash_entry)));
- if (ret == (struct elf_vax_link_hash_entry *) NULL)
+ if (ret == NULL)
return (struct bfd_hash_entry *) ret;
/* Call the allocation method of the superclass. */
ret = ((struct elf_vax_link_hash_entry *)
_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
table, string));
- if (ret != (struct elf_vax_link_hash_entry *) NULL)
+ if (ret != NULL)
{
ret->pcrel_relocs_copied = NULL;
}
/* Create an VAX ELF linker hash table. */
static struct bfd_link_hash_table *
-elf_vax_link_hash_table_create (abfd)
- bfd *abfd;
+elf_vax_link_hash_table_create (bfd *abfd)
{
struct elf_vax_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf_vax_link_hash_table);
- ret = (struct elf_vax_link_hash_table *) bfd_malloc (amt);
- if (ret == (struct elf_vax_link_hash_table *) NULL)
+ ret = bfd_malloc (amt);
+ if (ret == NULL)
return NULL;
if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
/* Keep vax-specific flags in the ELF header */
static bfd_boolean
-elf32_vax_set_private_flags (abfd, flags)
- bfd *abfd;
- flagword flags;
+elf32_vax_set_private_flags (bfd *abfd, flagword flags)
{
elf_elfheader (abfd)->e_flags = flags;
elf_flags_init (abfd) = TRUE;
/* Merge backend specific data from an object file to the output
object file when linking. */
static bfd_boolean
-elf32_vax_merge_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
+elf32_vax_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
{
flagword out_flags;
flagword in_flags;
/* Display the flags field */
static bfd_boolean
-elf32_vax_print_private_bfd_data (abfd, ptr)
- bfd *abfd;
- PTR ptr;
+elf32_vax_print_private_bfd_data (bfd *abfd, PTR ptr)
{
FILE *file = (FILE *) ptr;
table. */
static bfd_boolean
-elf_vax_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec,
+ const Elf_Internal_Rela *relocs)
{
bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
if (r_symndx < symtab_hdr->sh_info)
h = NULL;
else
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
switch (ELF32_R_TYPE (rel->r_info))
{
which means that h is really a pointer to an
elf_vax_link_hash_entry. */
if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8
- || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
- || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
+ || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16
+ || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32)
&& info->symbolic)
{
struct elf_vax_link_hash_entry *eh;
relocation. */
static asection *
-elf_vax_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;
+elf_vax_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)
{
/* Update the got entry reference counts for the section being removed. */
static bfd_boolean
-elf_vax_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+elf_vax_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;
if (info->shared)
return TRUE;
+ if (h->size == 0)
+ {
+ (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
+ h->root.root.string);
+ return TRUE;
+ }
+
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
/* Set the sizes of the dynamic sections. */
static bfd_boolean
-elf_vax_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
+elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
{
bfd *dynobj;
asection *s;
if (info->shared && info->symbolic)
elf_vax_link_hash_traverse (elf_vax_hash_table (info),
elf_vax_discard_copies,
- (PTR) NULL);
+ NULL);
/* If this is a -Bsymbolic shared link or a static link, we need to
discard all the got entries we've recorded. Otherwise, we need to
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
- bfd_boolean strip;
if ((s->flags & SEC_LINKER_CREATED) == 0)
continue;
of the dynobj section names depend upon the input files. */
name = bfd_get_section_name (dynobj, s);
- strip = FALSE;
-
if (strcmp (name, ".plt") == 0)
{
- if (s->size == 0)
- {
- /* Strip this section if we don't need it; see the
- comment below. */
- strip = TRUE;
- }
- else
- {
- /* Remember whether there is a PLT. */
- plt = TRUE;
- }
+ /* Remember whether there is a PLT. */
+ plt = s->size != 0;
}
else if (strncmp (name, ".rela", 5) == 0)
{
- if (s->size == 0)
- {
- /* If we don't need this section, strip it from the
- output file. This is mostly to handle .rela.bss and
- .rela.plt. We must create both sections in
- create_dynamic_sections, because they must be created
- before the linker maps input sections to output
- sections. The linker does that before
- adjust_dynamic_symbol is called, and it is that
- function which decides whether anything needs to go
- into these sections. */
- strip = TRUE;
- }
- else
+ if (s->size != 0)
{
asection *target;
s->reloc_count = 0;
}
}
- else if (strncmp (name, ".got", 4) != 0)
+ else if (strncmp (name, ".got", 4) != 0
+ && strcmp (name, ".dynbss") != 0)
{
/* It's not one of our sections, so don't allocate space. */
continue;
}
- if (strip)
+ if (s->size == 0)
{
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
s->flags |= SEC_EXCLUDE;
continue;
}
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
/* Allocate memory for the section contents. */
s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size);
- if (s->contents == NULL && s->size != 0)
+ if (s->contents == NULL)
return FALSE;
}
routine, but we won't fill them in in the relocate_section routine. */
static bfd_boolean
-elf_vax_discard_copies (h, ignore)
- struct elf_vax_link_hash_entry *h;
- PTR ignore ATTRIBUTE_UNUSED;
+elf_vax_discard_copies (struct elf_vax_link_hash_entry *h,
+ PTR ignore ATTRIBUTE_UNUSED)
{
struct elf_vax_pcrel_relocs_copied *s;
will be reserved for the symbol. */
static bfd_boolean
-elf_vax_instantiate_got_entries (h, infoptr)
- struct elf_link_hash_entry *h;
- PTR infoptr;
+elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, PTR infoptr)
{
struct bfd_link_info *info = (struct bfd_link_info *) infoptr;
bfd *dynobj;
/* Relocate an VAX ELF section. */
static bfd_boolean
-elf_vax_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;
+elf_vax_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)
{
bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
unresolved_reloc, warned);
-
+
if ((h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& ((r_type == R_VAX_PLT32
dynamic sections here. */
static bfd_boolean
-elf_vax_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;
+elf_vax_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
bfd *dynobj;
/* Finish up the dynamic sections. */
static bfd_boolean
-elf_vax_finish_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
+elf_vax_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
{
bfd *dynobj;
asection *sgot;
projects / deliverable / binutils-gdb.git / blobdiff