PARAMS ((bfd *abfd, struct bfd_link_info *info, const Elf_Internal_Sym *sym,
const char **namep, flagword *flagsp, asection **secp,
bfd_vma *valp));
-static bfd_boolean elfNN_ia64_aix_vec
- PARAMS ((const bfd_target *vec));
-static bfd_boolean elfNN_ia64_aix_add_symbol_hook
- PARAMS ((bfd *abfd, struct bfd_link_info *info, const Elf_Internal_Sym *sym,
- const char **namep, flagword *flagsp, asection **secp,
- bfd_vma *valp));
-static bfd_boolean elfNN_ia64_aix_link_add_symbols
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
static int elfNN_ia64_additional_program_headers
PARAMS ((bfd *abfd));
static bfd_boolean elfNN_ia64_modify_segment_map
static bfd_boolean elfNN_ia64_is_local_label_name
PARAMS ((bfd *abfd, const char *name));
static bfd_boolean elfNN_ia64_dynamic_symbol_p
- PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info));
+ PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info, int));
static bfd_boolean elfNN_ia64_local_hash_table_init
PARAMS ((struct elfNN_ia64_local_hash_table *ht, bfd *abfd,
new_hash_entry_func new));
};
#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
-#define AIX_DYNAMIC_INTERPRETER "/usr/lib/ia64l64/libc.so.1"
-#define DYNAMIC_INTERPRETER(abfd) \
- (elfNN_ia64_aix_vec (abfd->xvec) ? AIX_DYNAMIC_INTERPRETER : ELF_DYNAMIC_INTERPRETER)
static const bfd_byte oor_brl[16] =
{
}
/* Can't do anything else with dynamic symbols. */
- else if (elfNN_ia64_dynamic_symbol_p (h, link_info))
+ else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type))
continue;
else
return TRUE;
}
-static bfd_boolean
-elfNN_ia64_aix_vec (const bfd_target *vec)
-{
- extern const bfd_target bfd_elfNN_ia64_aix_little_vec;
- extern const bfd_target bfd_elfNN_ia64_aix_big_vec;
-
- return (/**/vec == & bfd_elfNN_ia64_aix_little_vec
- || vec == & bfd_elfNN_ia64_aix_big_vec);
-}
-
-/* Hook called by the linker routine which adds symbols from an object
- file. We use it to handle OS-specific symbols. */
-
-static bfd_boolean
-elfNN_ia64_aix_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;
- asection **secp;
- bfd_vma *valp;
-{
- if (strcmp (*namep, "__GLOB_DATA_PTR") == 0)
- {
- /* Define __GLOB_DATA_PTR when it is encountered. This is expected to
- be a linker-defined symbol by the Aix C runtime startup code. IBM sez
- no one else should use it b/c it is undocumented. */
- struct elf_link_hash_entry *h;
-
- h = elf_link_hash_lookup (elf_hash_table (info), *namep,
- FALSE, FALSE, FALSE);
- if (h == NULL)
- {
- struct elf_backend_data *bed;
- struct elfNN_ia64_link_hash_table *ia64_info;
- struct bfd_link_hash_entry *bh = NULL;
-
- bed = get_elf_backend_data (abfd);
- ia64_info = elfNN_ia64_hash_table (info);
-
- if (!(_bfd_generic_link_add_one_symbol
- (info, abfd, *namep, BSF_GLOBAL,
- bfd_get_section_by_name (abfd, ".bss"),
- bed->got_symbol_offset, (const char *) NULL, FALSE,
- bed->collect, &bh)))
- return FALSE;
-
- h = (struct elf_link_hash_entry *) bh;
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
- h->type = STT_OBJECT;
-
- if (! _bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
- }
-
- return TRUE;
- }
- else if (sym->st_shndx == SHN_LOOS)
- {
- unsigned int i;
-
- /* SHN_AIX_SYSCALL: Treat this as any other symbol. The special symbol
- is only relevant when compiling code for extended system calls.
- Replace the "special" section with .text, if possible.
- Note that these symbols are always assumed to be in .text. */
- for (i = 1; i < elf_numsections (abfd); i++)
- {
- asection * sec = bfd_section_from_elf_index (abfd, i);
-
- if (sec && strcmp (sec->name, ".text") == 0)
- {
- *secp = sec;
- break;
- }
- }
-
- if (*secp == NULL)
- *secp = bfd_abs_section_ptr;
-
- *valp = sym->st_size;
-
- return TRUE;
- }
- else
- {
- return elfNN_ia64_add_symbol_hook (abfd, info, sym,
- namep, flagsp, secp, valp);
- }
-}
-
-bfd_boolean
-elfNN_ia64_aix_link_add_symbols (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
-{
- /* Make sure dynamic sections are always created. */
- if (! elf_hash_table (info)->dynamic_sections_created
- && abfd->xvec == info->hash->creator)
- {
- if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
- return FALSE;
- }
-
- /* Now do the standard call. */
- return bfd_elfNN_bfd_link_add_symbols (abfd, info);
-}
-
/* Return the number of additional phdrs we will need. */
static int
/* Should we do dynamic things to this symbol? */
static bfd_boolean
-elfNN_ia64_dynamic_symbol_p (h, info)
+elfNN_ia64_dynamic_symbol_p (h, info, r_type)
struct elf_link_hash_entry *h;
struct bfd_link_info *info;
+ int r_type;
{
- if (h == NULL)
- return FALSE;
-
- 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;
-
- if (h->dynindx == -1)
- return FALSE;
- switch (ELF_ST_VISIBILITY (h->other))
- {
- case STV_INTERNAL:
- case STV_HIDDEN:
- return FALSE;
- default:
- break;
- }
-
- if (h->root.type == bfd_link_hash_undefweak
- || h->root.type == bfd_link_hash_defweak)
- return TRUE;
+ bfd_boolean ignore_protected
+ = ((r_type & 0xf8) == 0x40 /* FPTR relocs */
+ || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */
- /* If it isn't defined locally, then clearly it's dynamic. */
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
- return TRUE;
-
- /* Identify the cases where name binding rules say it resolves local. */
- return !(info->executable || info->symbolic);
+ return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected);
}
\f
static bfd_boolean
if (h && ((!info->executable
&& (!info->symbolic || info->allow_shlib_undefined))
|| ! (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)
- || h->root.type == bfd_link_hash_defweak
- || elfNN_ia64_aix_vec (abfd->xvec)))
+ || h->root.type == bfd_link_hash_defweak))
maybe_dynamic = TRUE;
need_entry = 0;
case R_IA64_FPTR32LSB:
case R_IA64_FPTR64MSB:
case R_IA64_FPTR64LSB:
- if (info->shared || h || elfNN_ia64_aix_vec (abfd->xvec))
+ if (info->shared || h)
need_entry = NEED_FPTR | NEED_DYNREL;
else
need_entry = NEED_FPTR;
case R_IA64_DIR64MSB:
case R_IA64_DIR64LSB:
/* Shared objects will always need at least a REL relocation. */
- if (info->shared || maybe_dynamic
- || (elfNN_ia64_aix_vec (abfd->xvec)
- && (!h || strcmp (h->root.root.string,
- "__GLOB_DATA_PTR") != 0)))
+ if (info->shared || maybe_dynamic)
need_entry = NEED_DYNREL;
dynrel_type = R_IA64_DIR64LSB;
break;
/* FPTRs for shared libraries are allocated by the dynamic
linker. Make sure this local symbol will appear in the
dynamic symbol table. */
- if (!h && (info->shared
- /* AIX also needs one */
- || elfNN_ia64_aix_vec (abfd->xvec)))
+ if (!h && info->shared)
{
if (! (_bfd_elfNN_link_record_local_dynamic_symbol
(info, abfd, (long) r_symndx)))
if ((dyn_i->want_got || dyn_i->want_gotx)
&& ! dyn_i->want_fptr
- && (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || (elfNN_ia64_aix_vec (x->info->hash->creator)
- && (!dyn_i->h || strcmp (dyn_i->h->root.root.string,
- "__GLOB_DATA_PTR") != 0))))
+ && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
{
dyn_i->got_offset = x->ofs;
x->ofs += 8;
}
if (dyn_i->want_dtpmod)
{
- if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info))
+ if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
{
dyn_i->dtpmod_offset = x->ofs;
x->ofs += 8;
if (dyn_i->want_got
&& dyn_i->want_fptr
- && (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || elfNN_ia64_aix_vec (x->info->hash->creator)))
+ && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTR64LSB))
{
dyn_i->got_offset = x->ofs;
x->ofs += 8;
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
if ((dyn_i->want_got || dyn_i->want_gotx)
- && ! (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || elfNN_ia64_aix_vec (x->info->hash->creator)))
+ && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0))
{
dyn_i->got_offset = x->ofs;
x->ofs += 8;
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- if ((!x->info->executable
- && (!h
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
- /* AIX needs an FPTR in this case. */
- || (elfNN_ia64_aix_vec (x->info->hash->creator)
- && (!h
- || h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)))
+ if (!x->info->executable
+ && (!h
+ || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || h->root.type != bfd_link_hash_undefweak))
{
if (h && h->dynindx == -1)
{
h = (struct elf_link_hash_entry *) h->root.u.i.link;
/* ??? Versioned symbols seem to lose ELF_LINK_HASH_NEEDS_PLT. */
- if (elfNN_ia64_dynamic_symbol_p (h, x->info))
+ if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0))
{
bfd_size_type offset = x->ofs;
if (offset == 0)
bfd_boolean dynamic_symbol, shared, resolved_zero;
ia64_info = elfNN_ia64_hash_table (x->info);
- dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info)
- || (elfNN_ia64_aix_vec (x->info->hash->creator)
- /* Don't allocate an entry for __GLOB_DATA_PTR */
- && (!dyn_i->h || strcmp (dyn_i->h->root.root.string,
- "__GLOB_DATA_PTR") != 0));
+
+ /* Note that this can't be used in relation to FPTR relocs below. */
+ dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0);
+
shared = x->info->shared;
resolved_zero = (dyn_i->h
&& ELF_ST_VISIBILITY (dyn_i->h->other)
static bfd_boolean
elfNN_ia64_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
struct elfNN_ia64_allocate_data data;
{
sec = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (sec != NULL);
- sec->contents = (bfd_byte *) DYNAMIC_INTERPRETER (output_bfd);
- sec->_raw_size = strlen (DYNAMIC_INTERPRETER (output_bfd)) + 1;
+ sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
+ sec->_raw_size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
}
/* Allocate the GOT entries. */
|| ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
|| dyn_i->h->root.type != bfd_link_hash_undefweak)
&& dyn_r_type != R_IA64_DTPREL64LSB)
- || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info)
- || elfNN_ia64_aix_vec (abfd->xvec)
+ || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type)
|| (dynindx != -1 && dyn_r_type == R_IA64_FPTR64LSB))
&& (!dyn_i->want_ltoff_fptr
|| !info->pie
asection *sym_sec;
bfd_byte *hit_addr;
bfd_boolean dynamic_symbol_p;
- bfd_boolean local_symbol_p;
bfd_boolean undef_weak_ref;
r_type = ELFNN_R_TYPE (rel->r_info);
hit_addr = contents + rel->r_offset;
value += rel->r_addend;
- dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info);
- /* Is this symbol locally defined? A protected symbol is locallly
- defined. But its function descriptor may not. Use it with
- caution. */
- local_symbol_p = (! dynamic_symbol_p
- || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT);
+ dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
switch (r_type)
{
case R_IA64_DIR64MSB:
case R_IA64_DIR64LSB:
/* Install a dynamic relocation for this reloc. */
- if ((dynamic_symbol_p || info->shared
- || (elfNN_ia64_aix_vec (info->hash->creator)
- /* Don't emit relocs for __GLOB_DATA_PTR on AIX. */
- && (!h || strcmp (h->root.root.string,
- "__GLOB_DATA_PTR") != 0)))
+ if ((dynamic_symbol_p || info->shared)
&& r_symndx != 0
&& (input_section->flags & SEC_ALLOC) != 0)
{
/* If we don't need dynamic symbol lookup, find a
matching RELATIVE relocation. */
dyn_r_type = r_type;
- if (! local_symbol_p)
+ if (dynamic_symbol_p)
{
dynindx = h->dynindx;
addend = rel->r_addend;
addend = value;
}
- if (elfNN_ia64_aix_vec (info->hash->creator))
- rel->r_addend = value;
elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section,
srel, rel->r_offset, dyn_r_type,
dynindx, addend);
case R_IA64_PCREL64MSB:
case R_IA64_PCREL64LSB:
/* Install a dynamic relocation for this reloc. */
- if ((dynamic_symbol_p
- || elfNN_ia64_aix_vec (info->hash->creator))
- && r_symndx != 0)
+ if (dynamic_symbol_p && r_symndx != 0)
{
BFD_ASSERT (srel != NULL);
/* If we don't need dynamic symbol lookup, install two
RELATIVE relocations. */
- if (local_symbol_p)
+ if (!dynamic_symbol_p)
{
unsigned int dyn_r_type;
}
}
+static struct bfd_elf_special_section const elfNN_ia64_special_sections[]=
+{
+ { ".sbss", 0, NULL, 0,
+ SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { ".sdata", 0, NULL, 0,
+ SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { NULL, 0, NULL, 0,
+ 0, 0 }
+};
+
static bfd_boolean
elfNN_ia64_hpux_vec (const bfd_target *vec)
{
#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
#define elf_backend_rela_normal 1
-
-#include "elfNN-target.h"
-
-/* AIX-specific vectors. */
-
-#undef TARGET_LITTLE_SYM
-#define TARGET_LITTLE_SYM bfd_elfNN_ia64_aix_little_vec
-#undef TARGET_LITTLE_NAME
-#define TARGET_LITTLE_NAME "elfNN-ia64-aix-little"
-#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elfNN_ia64_aix_big_vec
-#undef TARGET_BIG_NAME
-#define TARGET_BIG_NAME "elfNN-ia64-aix-big"
-
-#undef elf_backend_add_symbol_hook
-#define elf_backend_add_symbol_hook elfNN_ia64_aix_add_symbol_hook
-
-#undef bfd_elfNN_bfd_link_add_symbols
-#define bfd_elfNN_bfd_link_add_symbols elfNN_ia64_aix_link_add_symbols
-
-#define elfNN_bed elfNN_ia64_aix_bed
+#define elf_backend_special_sections elfNN_ia64_special_sections
#include "elfNN-target.h"
#undef TARGET_BIG_NAME
#define TARGET_BIG_NAME "elfNN-ia64-hpux-big"
-/* We need to undo the AIX specific functions. */
-
-#undef elf_backend_add_symbol_hook
-#define elf_backend_add_symbol_hook elfNN_ia64_add_symbol_hook
-
-#undef bfd_elfNN_bfd_link_add_symbols
-#define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
-
/* These are HP-UX specific functions. */
#undef elf_backend_post_process_headers
projects / binutils-gdb.git / blobdiff