/* IA-64 support for 64-bit ELF
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009 Free Software Foundation, Inc.
+ 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of BFD, the Binary File Descriptor library.
MIN_PLT Created by PLTOFF entries against dynamic symbols. This
does not require dynamic relocations. */
+/* Only add code for vms when the vms target is enabled. This is required
+ because it depends on vms-lib.c for its archive format and we don't want
+ to compile that code if it is not used. */
+#if ARCH_SIZE == 64 && \
+ (defined (HAVE_bfd_elf64_ia64_vms_vec) || defined (HAVE_all_vecs))
+#define INCLUDE_IA64_VMS
+#endif
+
+
#define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0])))
typedef struct bfd_hash_entry *(*new_hash_entry_func)
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
+ (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
/* In dynamically (linker-) created sections, we generally need to keep track
of the place a symbol or expression got allocated to. This is done via hash
/* The main hash table. */
struct elf_link_hash_table root;
- asection *fptr_sec; /* function descriptor table (or NULL) */
- asection *rel_fptr_sec; /* dynamic relocation section for same */
- asection *pltoff_sec; /* private descriptors for plt (or NULL) */
- asection *rel_pltoff_sec; /* dynamic relocation section for same */
+ asection *fptr_sec; /* Function descriptor table (or NULL). */
+ asection *rel_fptr_sec; /* Dynamic relocation section for same. */
+ asection *pltoff_sec; /* Private descriptors for plt (or NULL). */
+ asection *rel_pltoff_sec; /* Dynamic relocation section for same. */
- bfd_size_type minplt_entries; /* number of minplt entries */
- unsigned reltext : 1; /* are there relocs against readonly sections? */
- unsigned self_dtpmod_done : 1;/* has self DTPMOD entry been finished? */
- bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry */
+ bfd_size_type minplt_entries; /* Number of minplt entries. */
+ unsigned reltext : 1; /* Are there relocs against readonly sections? */
+ unsigned self_dtpmod_done : 1;/* Has self DTPMOD entry been finished? */
+ bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry. */
/* There are maybe R_IA64_GPREL22 relocations, including those
optimized from R_IA64_LTOFF22X, against non-SHF_IA_64_SHORT
sections. We need to record those sections so that we can choose
a proper GP to cover all R_IA64_GPREL22 relocations. */
- asection *max_short_sec; /* maximum short output section */
- bfd_vma max_short_offset; /* maximum short offset */
- asection *min_short_sec; /* minimum short output section */
- bfd_vma min_short_offset; /* minimum short offset */
+ asection *max_short_sec; /* Maximum short output section. */
+ bfd_vma max_short_offset; /* Maximum short offset. */
+ asection *min_short_sec; /* Minimum short output section. */
+ bfd_vma min_short_offset; /* Minimum short offset. */
htab_t loc_hash_table;
void *loc_hash_memory;
};
#define elfNN_ia64_hash_table(p) \
- ((struct elfNN_ia64_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == IA64_ELF_DATA ? ((struct elfNN_ia64_link_hash_table *) ((p)->hash)) : NULL)
static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
(struct elfNN_ia64_link_hash_table *ia64_info,
/* Rename some of the generic section flags to better document how they
are used here. */
-#define skip_relax_pass_0 need_finalize_relax
-#define skip_relax_pass_1 has_gp_reloc
+#define skip_relax_pass_0 sec_flg0
+#define skip_relax_pass_1 sec_flg1
\f
/* These functions do relaxation for IA-64 ELF. */
|| (link_info->relax_pass == 1 && sec->skip_relax_pass_1))
return TRUE;
+ ia64_info = elfNN_ia64_hash_table (link_info);
+ if (ia64_info == NULL)
+ return FALSE;
+
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
/* Load the relocations for this section. */
internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
+ (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
return FALSE;
- ia64_info = elfNN_ia64_hash_table (link_info);
irelend = internal_relocs + sec->reloc_count;
/* Get the section contents. */
derived hash table to keep information specific to the IA-64 ElF
linker (without using static variables). */
-static struct bfd_link_hash_table*
+static struct bfd_link_hash_table *
elfNN_ia64_hash_table_create (bfd *abfd)
{
struct elfNN_ia64_link_hash_table *ret;
ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
if (!ret)
- return 0;
+ return NULL;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
elfNN_ia64_new_elf_hash_entry,
- sizeof (struct elfNN_ia64_link_hash_entry)))
+ sizeof (struct elfNN_ia64_link_hash_entry),
+ IA64_ELF_DATA))
{
free (ret);
- return 0;
+ return NULL;
}
ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash,
if (!ret->loc_hash_table || !ret->loc_hash_memory)
{
free (ret);
- return 0;
+ return NULL;
}
return &ret->root.root;
return FALSE;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
{
flagword flags = bfd_get_section_flags (abfd, ia64_info->root.sgot);
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
got = fptr = srel = pltoff = NULL;
static bfd_boolean
allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
- PTR data)
+ void * data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
struct elfNN_ia64_link_hash_table *ia64_info;
ia64_info = elfNN_ia64_hash_table (x->info);
+ if (ia64_info == NULL)
+ return FALSE;
+
if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
{
ia64_info->self_dtpmod_offset = x->ofs;
static bfd_boolean
allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
- PTR data)
+ void * data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
bfd_boolean dynamic_symbol, shared, resolved_zero;
ia64_info = elfNN_ia64_hash_table (x->info);
+ if (ia64_info == NULL)
+ return FALSE;
/* 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);
dynobj = elf_hash_table(info)->dynobj;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
ia64_info->self_dtpmod_offset = (bfd_vma) -1;
BFD_ASSERT(dynobj != NULL);
data.info = info;
bfd_vma got_offset;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return 0;
+
got_sec = ia64_info->root.sgot;
switch (dyn_r_type)
asection *fptr_sec;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return 0;
+
fptr_sec = ia64_info->fptr_sec;
if (!dyn_i->fptr_done)
asection *pltoff_sec;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return 0;
+
pltoff_sec = ia64_info->pltoff_sec;
/* Don't do anything if this symbol uses a real PLT entry. In
struct elfNN_ia64_link_hash_table *ia64_info;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
/* Find the min and max vma of all sections marked short. Also collect
min and max vma of any type, for use in selecting a nice gp. */
asection *unwind_output_sec;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
/* Make sure we've got ourselves a nice fat __gp value. */
if (!info->relocatable)
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
/* Infect various flags from the input section to the output section. */
if (info->relocatable)
struct elfNN_ia64_dyn_sym_info *dyn_i;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
+
dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
/* Fill in the PLT data, if required. */
bfd *dynobj;
ia64_info = elfNN_ia64_hash_table (info);
+ if (ia64_info == NULL)
+ return FALSE;
+
dynobj = ia64_info->root.dynobj;
if (elf_hash_table (info)->dynamic_sections_created)
}
}
+#ifdef INCLUDE_IA64_VMS
+
static bfd_boolean
elfNN_vms_section_from_shdr (bfd *abfd,
Elf_Internal_Shdr *hdr,
return _bfd_generic_close_and_cleanup (abfd);
}
+#endif /* INCLUDE_IA64_VMS */
\f
#define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec
#define TARGET_LITTLE_NAME "elfNN-ia64-little"
#include "elfNN-target.h"
/* VMS-specific vectors. */
+#ifdef INCLUDE_IA64_VMS
#undef TARGET_LITTLE_SYM
#define TARGET_LITTLE_SYM bfd_elfNN_ia64_vms_vec
#undef elfNN_bed
#define elfNN_bed elfNN_ia64_vms_bed
+/* Use VMS-style archives (in particular, don't use the standard coff
+ archive format). */
+#define bfd_elfNN_archive_functions
+
+#undef bfd_elfNN_archive_p
+#define bfd_elfNN_archive_p _bfd_vms_lib_ia64_archive_p
+
+#define bfd_elfNN_archive_slurp_armap \
+ _bfd_vms_lib_slurp_armap
+#define bfd_elfNN_archive_slurp_extended_name_table \
+ _bfd_vms_lib_slurp_extended_name_table
+#define bfd_elfNN_archive_construct_extended_name_table \
+ _bfd_vms_lib_construct_extended_name_table
+#define bfd_elfNN_archive_truncate_arname \
+ _bfd_vms_lib_truncate_arname
+#define bfd_elfNN_archive_write_armap \
+ _bfd_vms_lib_write_armap
+#define bfd_elfNN_archive_read_ar_hdr \
+ _bfd_vms_lib_read_ar_hdr
+#define bfd_elfNN_archive_write_ar_hdr \
+ _bfd_vms_lib_write_ar_hdr
+#define bfd_elfNN_archive_openr_next_archived_file \
+ _bfd_vms_lib_openr_next_archived_file
+#define bfd_elfNN_archive_get_elt_at_index \
+ _bfd_vms_lib_get_elt_at_index
+#define bfd_elfNN_archive_generic_stat_arch_elt \
+ _bfd_vms_lib_generic_stat_arch_elt
+#define bfd_elfNN_archive_update_armap_timestamp \
+ _bfd_vms_lib_update_armap_timestamp
+
#include "elfNN-target.h"
+
+#endif /* INCLUDE_IA64_VMS */
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