-/* Hitachi SH64-specific support for 32-bit ELF
+/* SuperH SH64-specific support for 32-bit ELF
Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "elf-bfd.h"
#include "../opcodes/sh64-opc.h"
+#include "elf32-sh64.h"
/* Add a suffix for datalabel indirection symbols. It must not match any
other symbols; user symbols with or without version or other
bfd_vma addr;
};
+static bfd_boolean sh64_elf_new_section_hook
+ (bfd *, asection *);
static bfd_boolean sh64_elf_copy_private_data
- PARAMS ((bfd *, bfd *));
+ (bfd *, bfd *);
static bfd_boolean sh64_elf_merge_private_data
- PARAMS ((bfd *, bfd *));
+ (bfd *, bfd *);
static bfd_boolean sh64_elf_fake_sections
- PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
+ (bfd *, Elf_Internal_Shdr *, asection *);
static bfd_boolean sh64_elf_set_private_flags
- PARAMS ((bfd *, flagword));
+ (bfd *, flagword);
static bfd_boolean sh64_elf_set_mach_from_flags
- PARAMS ((bfd *));
+ (bfd *);
static bfd_boolean shmedia_prepare_reloc
- PARAMS ((struct bfd_link_info *, bfd *, asection *,
- bfd_byte *, const Elf_Internal_Rela *, bfd_vma *));
+ (struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ const Elf_Internal_Rela *, bfd_vma *);
static int sh64_elf_get_symbol_type
- PARAMS ((Elf_Internal_Sym *, int));
+ (Elf_Internal_Sym *, int);
static bfd_boolean sh64_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
+ (bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, const char **,
+ flagword *, asection **, bfd_vma *);
static bfd_boolean sh64_elf_link_output_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
- asection *));
+ (bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
+ asection *);
static bfd_boolean sh64_backend_section_from_shdr
- PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
+ (bfd *, Elf_Internal_Shdr *, const char *);
static void sh64_elf_final_write_processing
- PARAMS ((bfd *, bfd_boolean));
+ (bfd *, bfd_boolean);
static bfd_boolean sh64_bfd_elf_copy_private_section_data
- PARAMS ((bfd *, asection *, bfd *, asection *));
+ (bfd *, asection *, bfd *, asection *);
static void sh64_find_section_for_address
- PARAMS ((bfd *, asection *, PTR));
+ (bfd *, asection *, void *);
/* Let elf32-sh.c handle the "bfd_" definitions, so we only have to
intrude with an #ifndef around the function definition. */
#define elf_backend_add_symbol_hook sh64_elf_add_symbol_hook
#define elf_backend_link_output_symbol_hook \
sh64_elf_link_output_symbol_hook
+#define elf_backend_merge_symbol_attribute sh64_elf_merge_symbol_attribute
#define elf_backend_final_write_processing sh64_elf_final_write_processing
#define elf_backend_section_from_shdr sh64_backend_section_from_shdr
+#define elf_backend_special_sections sh64_elf_special_sections
+
+#define bfd_elf32_new_section_hook sh64_elf_new_section_hook
/* For objcopy, we need to set up sh64_elf_section_data (asection *) from
incoming section flags. This is otherwise done in sh64elf.em when
#define INCLUDE_SHMEDIA
#include "elf32-sh.c"
+/* Tack some extra info on struct bfd_elf_section_data. */
+
+static bfd_boolean
+sh64_elf_new_section_hook (bfd *abfd, asection *sec)
+{
+ struct _sh64_elf_section_data *sdata;
+ bfd_size_type amt = sizeof (*sdata);
+
+ sdata = (struct _sh64_elf_section_data *) bfd_zalloc (abfd, amt);
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = sdata;
+
+ return _bfd_elf_new_section_hook (abfd, sec);
+}
+
/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections, and pass
through SHT_SH5_CR_SORTED on a sorted .cranges section. */
bfd_boolean
-sh64_elf_fake_sections (output_bfd, elf_section_hdr, asect)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- Elf_Internal_Shdr *elf_section_hdr;
- asection *asect;
+sh64_elf_fake_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ Elf_Internal_Shdr *elf_section_hdr,
+ asection *asect)
{
- if (sh64_elf_section_data (asect) != NULL)
+ if (sh64_elf_section_data (asect)->sh64_info != NULL)
elf_section_hdr->sh_flags
- |= sh64_elf_section_data (asect)->contents_flags;
+ |= sh64_elf_section_data (asect)->sh64_info->contents_flags;
/* If this section has the SEC_SORT_ENTRIES flag set, it is a sorted
.cranges section passing through objcopy. */
}
static bfd_boolean
-sh64_elf_set_mach_from_flags (abfd)
- bfd *abfd;
+sh64_elf_set_mach_from_flags (bfd *abfd)
{
flagword flags = elf_elfheader (abfd)->e_flags;
asection *cranges;
}
static bfd_boolean
-sh64_elf_copy_private_data (ibfd, obfd)
- bfd * ibfd;
- bfd * obfd;
+sh64_elf_copy_private_data (bfd * ibfd, bfd * obfd)
{
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
}
static bfd_boolean
-sh64_elf_merge_private_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
+sh64_elf_merge_private_data (bfd *ibfd, bfd *obfd)
{
flagword old_flags, new_flags;
We only recognize SHT_SH5_CR_SORTED, on the .cranges section. */
bfd_boolean
-sh64_backend_section_from_shdr (abfd, hdr, name)
- bfd *abfd;
- Elf_Internal_Shdr *hdr;
- const char *name;
+sh64_backend_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr,
+ const char *name)
{
flagword flags = 0;
structure for the SH64 ELF section flags to be copied correctly. */
bfd_boolean
-sh64_bfd_elf_copy_private_section_data (ibfd, isec, obfd, osec)
- bfd *ibfd;
- asection *isec;
- bfd *obfd;
- asection *osec;
+sh64_bfd_elf_copy_private_section_data (bfd *ibfd, asection *isec,
+ bfd *obfd, asection *osec)
{
struct sh64_section_data *sh64_sec_data;
if (! _bfd_elf_copy_private_section_data (ibfd, isec, obfd, osec))
return FALSE;
- sh64_sec_data = sh64_elf_section_data (isec);
+ sh64_sec_data = sh64_elf_section_data (isec)->sh64_info;
if (sh64_sec_data == NULL)
{
sh64_sec_data = bfd_zmalloc (sizeof (struct sh64_section_data));
= (elf_section_data (isec)->this_hdr.sh_flags
& (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED));
- sh64_elf_section_data (osec) = sh64_sec_data;
+ sh64_elf_section_data (osec)->sh64_info = sh64_sec_data;
}
return TRUE;
/* Function to keep SH64 specific file flags. */
static bfd_boolean
-sh64_elf_set_private_flags (abfd, flags)
- bfd * abfd;
- flagword flags;
+sh64_elf_set_private_flags (bfd *abfd, flagword flags)
{
BFD_ASSERT (! elf_flags_init (abfd)
|| elf_elfheader (abfd)->e_flags == flags);
/* Called when writing out an object file to decide the type of a symbol. */
static int
-sh64_elf_get_symbol_type (elf_sym, type)
- Elf_Internal_Sym * elf_sym;
- int type;
+sh64_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
{
if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL)
return STT_DATALABEL;
(not so good). */
static bfd_boolean
-sh64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd *abfd;
- struct bfd_link_info *info;
- const Elf_Internal_Sym *sym;
- const char **namep;
- flagword *flagsp ATTRIBUTE_UNUSED;
- asection **secp;
- bfd_vma *valp;
+sh64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
+ const Elf_Internal_Sym *sym, const char **namep,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp, bfd_vma *valp)
{
/* We want to do this for relocatable as well as final linking. */
if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL
{
struct elf_link_hash_entry *h;
- /* For relocateable links, we register the DataLabel sym in its own
+ /* For relocatable links, we register the DataLabel sym in its own
right, and tweak the name when it's output. Otherwise, we make
an indirect symbol of it. */
flagword flags
- = info->relocateable || info->emitrelocations
+ = info->relocatable || info->emitrelocations
? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT;
char *dl_name
{
/* No previous datalabel symbol. Make one. */
struct bfd_link_hash_entry *bh = NULL;
- struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
flags, *secp, *valp,
free (dl_name);
if (h->type != STT_DATALABEL
- || ((info->relocateable || info->emitrelocations)
+ || ((info->relocatable || info->emitrelocations)
&& h->root.type != bfd_link_hash_undefined)
- || (! info->relocateable && !info->emitrelocations
+ || (! info->relocatable && !info->emitrelocations
&& h->root.type != bfd_link_hash_indirect))
{
/* Make sure we don't get confused on invalid input. */
DataLabel symbol. */
bfd_boolean
-sh64_elf_link_output_symbol_hook (abfd, info, cname, sym, input_sec)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
- const char *cname;
- Elf_Internal_Sym *sym;
- asection *input_sec ATTRIBUTE_UNUSED;
+sh64_elf_link_output_symbol_hook (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info,
+ const char *cname,
+ Elf_Internal_Sym *sym,
+ asection *input_sec ATTRIBUTE_UNUSED)
{
char *name = (char *) cname;
- if (info->relocateable || info->emitrelocations)
+ if (info->relocatable || info->emitrelocations)
{
if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL)
name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
bad value, TRUE if ok. */
static bfd_boolean
-shmedia_prepare_reloc (info, abfd, input_section,
- contents, rel, relocation)
- struct bfd_link_info *info;
- bfd *abfd;
- asection *input_section;
- bfd_byte *contents;
- const Elf_Internal_Rela *rel;
- bfd_vma *relocation;
+shmedia_prepare_reloc (struct bfd_link_info *info, bfd *abfd,
+ asection *input_section, bfd_byte *contents,
+ const Elf_Internal_Rela *rel, bfd_vma *relocation)
{
bfd_vma disp, dropped;
is called via bfd_map_over_sections. */
static void
-sh64_find_section_for_address (abfd, section, data)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section;
- PTR data;
+sh64_find_section_for_address (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *section, void *data)
{
bfd_vma vma;
bfd_size_type size;
executables (final linking and objcopy). */
static void
-sh64_elf_final_write_processing (abfd, linker)
- bfd *abfd;
- bfd_boolean linker ATTRIBUTE_UNUSED;
+sh64_elf_final_write_processing (bfd *abfd,
+ bfd_boolean linker ATTRIBUTE_UNUSED)
{
bfd_vma ld_generated_cranges_size;
asection *cranges
&& cranges != NULL
&& elf_elfheader (abfd)->e_type != ET_EXEC
&& (ld_generated_cranges_size
- = sh64_elf_section_data (cranges)->cranges_growth) != 0)
+ = sh64_elf_section_data (cranges)->sh64_info->cranges_growth) != 0)
{
bfd_vma incoming_cranges_size
= ((cranges->_cooked_size != 0
fsec_data.section = NULL;
bfd_map_over_sections (abfd, sh64_find_section_for_address,
- (PTR) &fsec_data);
+ &fsec_data);
if (fsec_data.section
&& (sh64_get_contents_type (fsec_data.section,
elf_elfheader (abfd)->e_entry,
}
}
+/* Merge non visibility st_other attribute when the symbol comes from
+ a dynamic object. */
+static void
+sh64_elf_merge_symbol_attribute (struct elf_link_hash_entry *h,
+ const Elf_Internal_Sym *isym,
+ bfd_boolean definition,
+ bfd_boolean dynamic)
+{
+ if (isym->st_other != 0 && dynamic)
+ {
+ unsigned char other;
+
+ /* Take the balance of OTHER from the definition. */
+ other = (definition ? isym->st_other : h->other);
+ other &= ~ ELF_ST_VISIBILITY (-1);
+ h->other = other | ELF_ST_VISIBILITY (h->other);
+ }
+
+ return;
+}
+
+static struct bfd_elf_special_section const sh64_elf_special_sections[]=
+{
+ { ".cranges", 8, 0, SHT_PROGBITS, 0 },
+ { NULL, 0, 0, 0, 0 }
+};
+
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM bfd_elf32_sh64_vec
#undef TARGET_BIG_NAME
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