/* IA-64 support for 64-bit ELF
- Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "opcode/ia64.h"
/* The addend for which this entry is relevant. */
bfd_vma addend;
- /* Next addend in the list. */
- struct elfNN_ia64_dyn_sym_info *next;
-
bfd_vma got_offset;
bfd_vma fptr_offset;
bfd_vma pltoff_offset;
{
int id;
unsigned int r_sym;
+ /* The number of elements in elfNN_ia64_dyn_sym_info array. */
+ unsigned int count;
+ /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */
+ unsigned int sorted_count;
+ /* The size of elfNN_ia64_dyn_sym_info array. */
+ unsigned int size;
+ /* The array of elfNN_ia64_dyn_sym_info. */
struct elfNN_ia64_dyn_sym_info *info;
/* TRUE if this hash entry's addends was translated for
struct elfNN_ia64_link_hash_entry
{
struct elf_link_hash_entry root;
+ /* The number of elements in elfNN_ia64_dyn_sym_info array. */
+ unsigned int count;
+ /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */
+ unsigned int sorted_count;
+ /* The size of elfNN_ia64_dyn_sym_info array. */
+ unsigned int size;
+ /* The array of elfNN_ia64_dyn_sym_info. */
struct elfNN_ia64_dyn_sym_info *info;
};
{
struct bfd_link_info *info;
bfd_size_type ofs;
+ bfd_boolean only_got;
};
#define elfNN_ia64_hash_table(p) \
((struct elfNN_ia64_link_hash_table *) ((p)->hash))
-static bfd_reloc_status_type elfNN_ia64_reloc
- PARAMS ((bfd *abfd, arelent *reloc, asymbol *sym, PTR data,
- asection *input_section, bfd *output_bfd, char **error_message));
-static reloc_howto_type * lookup_howto
- PARAMS ((unsigned int rtype));
-static reloc_howto_type *elfNN_ia64_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type bfd_code));
-static void elfNN_ia64_info_to_howto
- PARAMS ((bfd *abfd, arelent *bfd_reloc, Elf_Internal_Rela *elf_reloc));
-static bfd_boolean elfNN_ia64_relax_section
- PARAMS((bfd *abfd, asection *sec, struct bfd_link_info *link_info,
- bfd_boolean *again));
-static void elfNN_ia64_relax_ldxmov
- PARAMS((bfd_byte *contents, bfd_vma off));
-static bfd_boolean is_unwind_section_name
- PARAMS ((bfd *abfd, const char *));
-static bfd_boolean elfNN_ia64_section_flags
- PARAMS ((flagword *, const Elf_Internal_Shdr *));
-static bfd_boolean elfNN_ia64_fake_sections
- PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, asection *sec));
-static void elfNN_ia64_final_write_processing
- PARAMS ((bfd *abfd, bfd_boolean linker));
-static bfd_boolean elfNN_ia64_add_symbol_hook
- PARAMS ((bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *sym,
- const char **namep, flagword *flagsp, asection **secp,
- bfd_vma *valp));
-static int elfNN_ia64_additional_program_headers
- PARAMS ((bfd *abfd));
-static bfd_boolean elfNN_ia64_modify_segment_map
- PARAMS ((bfd *, struct bfd_link_info *));
-static bfd_boolean elfNN_ia64_is_local_label_name
- PARAMS ((bfd *abfd, const char *name));
+static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
+ (struct elfNN_ia64_link_hash_table *ia64_info,
+ struct elf_link_hash_entry *h,
+ bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create);
static bfd_boolean elfNN_ia64_dynamic_symbol_p
- PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info, int));
-static struct bfd_hash_entry *elfNN_ia64_new_elf_hash_entry
- PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
- const char *string));
-static void elfNN_ia64_hash_copy_indirect
- PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
- struct elf_link_hash_entry *));
-static void elfNN_ia64_hash_hide_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean));
-static hashval_t elfNN_ia64_local_htab_hash PARAMS ((const void *));
-static int elfNN_ia64_local_htab_eq PARAMS ((const void *ptr1,
- const void *ptr2));
-static struct bfd_link_hash_table *elfNN_ia64_hash_table_create
- PARAMS ((bfd *abfd));
-static void elfNN_ia64_hash_table_free
- PARAMS ((struct bfd_link_hash_table *hash));
-static bfd_boolean elfNN_ia64_global_dyn_sym_thunk
- PARAMS ((struct bfd_hash_entry *, PTR));
-static int elfNN_ia64_local_dyn_sym_thunk
- PARAMS ((void **, PTR));
+ (struct elf_link_hash_entry *h, struct bfd_link_info *info, int);
+static bfd_reloc_status_type elfNN_ia64_install_value
+ (bfd_byte *hit_addr, bfd_vma val, unsigned int r_type);
+static bfd_boolean elfNN_ia64_choose_gp
+ (bfd *abfd, struct bfd_link_info *info);
+static void elfNN_ia64_relax_ldxmov
+ (bfd_byte *contents, bfd_vma off);
static void elfNN_ia64_dyn_sym_traverse
- PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
- bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
- PTR info));
-static bfd_boolean elfNN_ia64_create_dynamic_sections
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
-static struct elfNN_ia64_local_hash_entry * get_local_sym_hash
- PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
- bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create));
-static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info
- PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
- struct elf_link_hash_entry *h,
- bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create));
-static asection *get_got
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_link_hash_table *ia64_info));
-static asection *get_fptr
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_link_hash_table *ia64_info));
-static asection *get_pltoff
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_link_hash_table *ia64_info));
-static asection *get_reloc_section
- PARAMS ((bfd *abfd, struct elfNN_ia64_link_hash_table *ia64_info,
- asection *sec, bfd_boolean create));
-static bfd_boolean elfNN_ia64_check_relocs
- PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
- const Elf_Internal_Rela *relocs));
-static bfd_boolean elfNN_ia64_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h));
-static long global_sym_index
- PARAMS ((struct elf_link_hash_entry *h));
-static bfd_boolean allocate_fptr
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
+ (struct elfNN_ia64_link_hash_table *ia64_info,
+ bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
+ PTR info);
static bfd_boolean allocate_global_data_got
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
+ (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data);
static bfd_boolean allocate_global_fptr_got
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
+ (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data);
static bfd_boolean allocate_local_got
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static bfd_boolean allocate_pltoff_entries
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static bfd_boolean allocate_plt_entries
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static bfd_boolean allocate_plt2_entries
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static bfd_boolean allocate_dynrel_entries
- PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static bfd_boolean elfNN_ia64_size_dynamic_sections
- PARAMS ((bfd *output_bfd, struct bfd_link_info *info));
-static bfd_reloc_status_type elfNN_ia64_install_value
- PARAMS ((bfd_byte *hit_addr, bfd_vma val, unsigned int r_type));
-static void elfNN_ia64_install_dyn_reloc
- PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
- asection *srel, bfd_vma offset, unsigned int type,
- long dynindx, bfd_vma addend));
-static bfd_vma set_got_entry
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_dyn_sym_info *dyn_i, long dynindx,
- bfd_vma addend, bfd_vma value, unsigned int dyn_r_type));
-static bfd_vma set_fptr_entry
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_dyn_sym_info *dyn_i,
- bfd_vma value));
-static bfd_vma set_pltoff_entry
- PARAMS ((bfd *abfd, struct bfd_link_info *info,
- struct elfNN_ia64_dyn_sym_info *dyn_i,
- bfd_vma value, bfd_boolean));
-static bfd_vma elfNN_ia64_tprel_base
- PARAMS ((struct bfd_link_info *info));
-static bfd_vma elfNN_ia64_dtprel_base
- PARAMS ((struct bfd_link_info *info));
-static int elfNN_ia64_unwind_entry_compare
- PARAMS ((const PTR, const PTR));
-static bfd_boolean elfNN_ia64_choose_gp
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
-static bfd_boolean elfNN_ia64_final_link
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
-static bfd_boolean elfNN_ia64_relocate_section
- PARAMS ((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));
-static bfd_boolean elfNN_ia64_finish_dynamic_symbol
- PARAMS ((bfd *output_bfd, struct bfd_link_info *info,
- struct elf_link_hash_entry *h, Elf_Internal_Sym *sym));
-static bfd_boolean elfNN_ia64_finish_dynamic_sections
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
-static bfd_boolean elfNN_ia64_set_private_flags
- PARAMS ((bfd *abfd, flagword flags));
-static bfd_boolean elfNN_ia64_merge_private_bfd_data
- PARAMS ((bfd *ibfd, bfd *obfd));
-static bfd_boolean elfNN_ia64_print_private_bfd_data
- PARAMS ((bfd *abfd, PTR ptr));
-static enum elf_reloc_type_class elfNN_ia64_reloc_type_class
- PARAMS ((const Elf_Internal_Rela *));
+ (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data);
static bfd_boolean elfNN_ia64_hpux_vec
- PARAMS ((const bfd_target *vec));
-static void elfNN_hpux_post_process_headers
- PARAMS ((bfd *abfd, struct bfd_link_info *info));
-bfd_boolean elfNN_hpux_backend_section_from_bfd_section
- PARAMS ((bfd *abfd, asection *sec, int *retval));
+ (const bfd_target *vec);
+static bfd_boolean allocate_dynrel_entries
+ (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data);
+static asection *get_pltoff
+ (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_link_hash_table *ia64_info);
\f
/* ia64-specific relocation. */
/* Perform a relocation. Not much to do here as all the hard work is
done in elfNN_ia64_final_link_relocate. */
static bfd_reloc_status_type
-elfNN_ia64_reloc (abfd, reloc, sym, data, input_section,
- output_bfd, error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *reloc;
- asymbol *sym ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+elfNN_ia64_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc,
+ asymbol *sym ATTRIBUTE_UNUSED,
+ PTR data ATTRIBUTE_UNUSED, asection *input_section,
+ bfd *output_bfd, char **error_message)
{
if (output_bfd)
{
/* Given a BFD reloc type, return the matching HOWTO structure. */
static reloc_howto_type *
-lookup_howto (rtype)
- unsigned int rtype;
+lookup_howto (unsigned int rtype)
{
static int inited = 0;
int i;
elf_code_to_howto_index[ia64_howto_table[i].type] = i;
}
- BFD_ASSERT (rtype <= R_IA64_MAX_RELOC_CODE);
+ if (rtype > R_IA64_MAX_RELOC_CODE)
+ return 0;
i = elf_code_to_howto_index[rtype];
if (i >= NELEMS (ia64_howto_table))
return 0;
}
static reloc_howto_type*
-elfNN_ia64_reloc_type_lookup (abfd, bfd_code)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_reloc_code_real_type bfd_code;
+elfNN_ia64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type bfd_code)
{
unsigned int rtype;
return lookup_howto (rtype);
}
+static reloc_howto_type *
+elfNN_ia64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (ia64_howto_table) / sizeof (ia64_howto_table[0]);
+ i++)
+ if (ia64_howto_table[i].name != NULL
+ && strcasecmp (ia64_howto_table[i].name, r_name) == 0)
+ return &ia64_howto_table[i];
+
+ return NULL;
+}
+
/* Given a ELF reloc, return the matching HOWTO structure. */
static void
-elfNN_ia64_info_to_howto (abfd, bfd_reloc, elf_reloc)
- bfd *abfd ATTRIBUTE_UNUSED;
- arelent *bfd_reloc;
- Elf_Internal_Rela *elf_reloc;
+elfNN_ia64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *bfd_reloc,
+ Elf_Internal_Rela *elf_reloc)
{
bfd_reloc->howto
= lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info));
oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl);
}
-static void
-elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off)
+#define BTYPE_SHIFT 6
+#define Y_SHIFT 26
+#define X6_SHIFT 27
+#define X4_SHIFT 27
+#define X3_SHIFT 33
+#define X2_SHIFT 31
+#define X_SHIFT 33
+#define OPCODE_SHIFT 37
+
+#define OPCODE_BITS (0xfLL << OPCODE_SHIFT)
+#define X6_BITS (0x3fLL << X6_SHIFT)
+#define X4_BITS (0xfLL << X4_SHIFT)
+#define X3_BITS (0x7LL << X3_SHIFT)
+#define X2_BITS (0x3LL << X2_SHIFT)
+#define X_BITS (0x1LL << X_SHIFT)
+#define Y_BITS (0x1LL << Y_SHIFT)
+#define BTYPE_BITS (0x7LL << BTYPE_SHIFT)
+#define PREDICATE_BITS (0x3fLL)
+
+#define IS_NOP_B(i) \
+ (((i) & (OPCODE_BITS | X6_BITS)) == (2LL << OPCODE_SHIFT))
+#define IS_NOP_F(i) \
+ (((i) & (OPCODE_BITS | X_BITS | X6_BITS | Y_BITS)) \
+ == (0x1LL << X6_SHIFT))
+#define IS_NOP_I(i) \
+ (((i) & (OPCODE_BITS | X3_BITS | X6_BITS | Y_BITS)) \
+ == (0x1LL << X6_SHIFT))
+#define IS_NOP_M(i) \
+ (((i) & (OPCODE_BITS | X3_BITS | X2_BITS | X4_BITS | Y_BITS)) \
+ == (0x1LL << X4_SHIFT))
+#define IS_BR_COND(i) \
+ (((i) & (OPCODE_BITS | BTYPE_BITS)) == (0x4LL << OPCODE_SHIFT))
+#define IS_BR_CALL(i) \
+ (((i) & OPCODE_BITS) == (0x5LL << OPCODE_SHIFT))
+
+static bfd_boolean
+elfNN_ia64_relax_br (bfd_byte *contents, bfd_vma off)
{
- unsigned int template, t0, t1, t2, t3;
+ unsigned int template, mlx;
+ bfd_vma t0, t1, s0, s1, s2, br_code;
+ long br_slot;
bfd_byte *hit_addr;
hit_addr = (bfd_byte *) (contents + off);
- hit_addr -= (long) hit_addr & 0x3;
- t0 = bfd_getl32 (hit_addr + 0);
- t1 = bfd_getl32 (hit_addr + 4);
- t2 = bfd_getl32 (hit_addr + 8);
- t3 = bfd_getl32 (hit_addr + 12);
+ br_slot = (long) hit_addr & 0x3;
+ hit_addr -= br_slot;
+ t0 = bfd_getl64 (hit_addr + 0);
+ t1 = bfd_getl64 (hit_addr + 8);
+
+ /* Check if we can turn br into brl. A label is always at the start
+ of the bundle. Even if there are predicates on NOPs, we still
+ perform this optimization. */
+ template = t0 & 0x1e;
+ s0 = (t0 >> 5) & 0x1ffffffffffLL;
+ s1 = ((t0 >> 46) | (t1 << 18)) & 0x1ffffffffffLL;
+ s2 = (t1 >> 23) & 0x1ffffffffffLL;
+ switch (br_slot)
+ {
+ case 0:
+ /* Check if slot 1 and slot 2 are NOPs. Possible template is
+ BBB. We only need to check nop.b. */
+ if (!(IS_NOP_B (s1) && IS_NOP_B (s2)))
+ return FALSE;
+ br_code = s0;
+ break;
+ case 1:
+ /* Check if slot 2 is NOP. Possible templates are MBB and BBB.
+ For BBB, slot 0 also has to be nop.b. */
+ if (!((template == 0x12 /* MBB */
+ && IS_NOP_B (s2))
+ || (template == 0x16 /* BBB */
+ && IS_NOP_B (s0)
+ && IS_NOP_B (s2))))
+ return FALSE;
+ br_code = s1;
+ break;
+ case 2:
+ /* Check if slot 1 is NOP. Possible templates are MIB, MBB, BBB,
+ MMB and MFB. For BBB, slot 0 also has to be nop.b. */
+ if (!((template == 0x10 /* MIB */
+ && IS_NOP_I (s1))
+ || (template == 0x12 /* MBB */
+ && IS_NOP_B (s1))
+ || (template == 0x16 /* BBB */
+ && IS_NOP_B (s0)
+ && IS_NOP_B (s1))
+ || (template == 0x18 /* MMB */
+ && IS_NOP_M (s1))
+ || (template == 0x1c /* MFB */
+ && IS_NOP_F (s1))))
+ return FALSE;
+ br_code = s2;
+ break;
+ default:
+ /* It should never happen. */
+ abort ();
+ }
- /* Turn a MLX bundle into a MBB bundle with the same stop-bit
+ /* We can turn br.cond/br.call into brl.cond/brl.call. */
+ if (!(IS_BR_COND (br_code) || IS_BR_CALL (br_code)))
+ return FALSE;
+
+ /* Turn br into brl by setting bit 40. */
+ br_code |= 0x1LL << 40;
+
+ /* Turn the old bundle into a MLX bundle with the same stop-bit
variety. */
- template = 0x12;
- if ((t0 & 0x1f) == 5)
- template += 1;
+ if (t0 & 0x1)
+ mlx = 0x5;
+ else
+ mlx = 0x4;
- /* Keep the instruction in slot 0. */
- t0 &= 0xffffffe0;
- t1 &= 0x3fff;
+ if (template == 0x16)
+ {
+ /* For BBB, we need to put nop.m in slot 0. We keep the original
+ predicate only if slot 0 isn't br. */
+ if (br_slot == 0)
+ t0 = 0LL;
+ else
+ t0 &= PREDICATE_BITS << 5;
+ t0 |= 0x1LL << (X4_SHIFT + 5);
+ }
+ else
+ {
+ /* Keep the original instruction in slot 0. */
+ t0 &= 0x1ffffffffffLL << 5;
+ }
- t0 |= template;
+ t0 |= mlx;
- /* For slot 2, turn brl into br by masking out bit 40. */
- t2 &= 0xff800000;
- t3 &= 0x7fffffff;
+ /* Put brl in slot 1. */
+ t1 = br_code << 23;
+
+ bfd_putl64 (t0, hit_addr);
+ bfd_putl64 (t1, hit_addr + 8);
+ return TRUE;
+}
+
+static void
+elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off)
+{
+ int template;
+ bfd_byte *hit_addr;
+ bfd_vma t0, t1, i0, i1, i2;
+ hit_addr = (bfd_byte *) (contents + off);
+ hit_addr -= (long) hit_addr & 0x3;
+ t0 = bfd_getl64 (hit_addr);
+ t1 = bfd_getl64 (hit_addr + 8);
+
+ /* Keep the instruction in slot 0. */
+ i0 = (t0 >> 5) & 0x1ffffffffffLL;
/* Use nop.b for slot 1. */
- t2 |= 0x100000;
+ i1 = 0x4000000000LL;
+ /* For slot 2, turn brl into br by masking out bit 40. */
+ i2 = (t1 >> 23) & 0x0ffffffffffLL;
- bfd_putl32 (t0, hit_addr);
- bfd_putl32 (t1, hit_addr + 4);
- bfd_putl32 (t2, hit_addr + 8);
- bfd_putl32 (t3, hit_addr + 12);
+ /* Turn a MLX bundle into a MBB bundle with the same stop-bit
+ variety. */
+ if (t0 & 0x1)
+ template = 0x13;
+ else
+ template = 0x12;
+ t0 = (i1 << 46) | (i0 << 5) | template;
+ t1 = (i2 << 23) | (i1 >> 18);
+
+ bfd_putl64 (t0, hit_addr);
+ bfd_putl64 (t1, hit_addr + 8);
}
+
+/* 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
+
\f
/* These functions do relaxation for IA-64 ELF. */
static bfd_boolean
-elfNN_ia64_relax_section (abfd, sec, link_info, again)
- bfd *abfd;
- asection *sec;
- struct bfd_link_info *link_info;
- bfd_boolean *again;
+elfNN_ia64_relax_section (bfd *abfd, asection *sec,
+ struct bfd_link_info *link_info,
+ bfd_boolean *again)
{
struct one_fixup
{
bfd_boolean changed_contents = FALSE;
bfd_boolean changed_relocs = FALSE;
bfd_boolean changed_got = FALSE;
+ bfd_boolean skip_relax_pass_0 = TRUE;
+ bfd_boolean skip_relax_pass_1 = TRUE;
bfd_vma gp = 0;
/* Assume we're not going to change any sizes, and we'll only need
return FALSE;
/* Nothing to do if there are no relocations or there is no need for
- the relax finalize pass. */
+ the current pass. */
if ((sec->flags & SEC_RELOC) == 0
|| sec->reloc_count == 0
- || (!link_info->need_relax_finalize
- && sec->need_finalize_relax == 0))
+ || (link_info->relax_pass == 0 && sec->skip_relax_pass_0)
+ || (link_info->relax_pass == 1 && sec->skip_relax_pass_1))
return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
case R_IA64_PCREL21BI:
case R_IA64_PCREL21M:
case R_IA64_PCREL21F:
- /* In the finalize pass, all br relaxations are done. We can
- skip it. */
- if (!link_info->need_relax_finalize)
+ /* In pass 1, all br relaxations are done. We can skip it. */
+ if (link_info->relax_pass == 1)
continue;
+ skip_relax_pass_0 = FALSE;
is_branch = TRUE;
break;
case R_IA64_PCREL60B:
- /* We can't optimize brl to br before the finalize pass since
- br relaxations will increase the code size. Defer it to
- the finalize pass. */
- if (link_info->need_relax_finalize)
+ /* We can't optimize brl to br in pass 0 since br relaxations
+ will increase the code size. Defer it to pass 1. */
+ if (link_info->relax_pass == 0)
{
- sec->need_finalize_relax = 1;
+ skip_relax_pass_1 = FALSE;
continue;
}
is_branch = TRUE;
case R_IA64_LTOFF22X:
case R_IA64_LDXMOV:
- /* We can't relax ldx/mov before the finalize pass since
- br relaxations will increase the code size. Defer it to
- the finalize pass. */
- if (link_info->need_relax_finalize)
+ /* We can't relax ldx/mov in pass 0 since br relaxations will
+ increase the code size. Defer it to pass 1. */
+ if (link_info->relax_pass == 0)
{
- sec->need_finalize_relax = 1;
+ skip_relax_pass_1 = FALSE;
continue;
}
is_branch = FALSE;
}
else if (r_type == R_IA64_PCREL60B)
continue;
+ else if (elfNN_ia64_relax_br (contents, roff))
+ {
+ irel->r_info
+ = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
+ R_IA64_PCREL60B);
+
+ /* Make the relocation offset point to slot 1. */
+ irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1;
+ continue;
+ }
/* We can't put a trampoline in a .init/.fini section. Issue
an error. */
elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
ia64_info->got_sec->size = data.ofs;
- /* ??? Resize .rela.got too. */
+ if (ia64_info->root.dynamic_sections_created
+ && ia64_info->rel_got_sec != NULL)
+ {
+ /* Resize .rela.got. */
+ ia64_info->rel_got_sec->size = 0;
+ if (link_info->shared
+ && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
+ ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+ data.only_got = TRUE;
+ elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries,
+ &data);
+ }
}
- if (!link_info->need_relax_finalize)
- sec->need_finalize_relax = 0;
+ if (link_info->relax_pass == 0)
+ {
+ /* Pass 0 is only needed to relax br. */
+ sec->skip_relax_pass_0 = skip_relax_pass_0;
+ sec->skip_relax_pass_1 = skip_relax_pass_1;
+ }
*again = changed_contents || changed_relocs;
return TRUE;
free (internal_relocs);
return FALSE;
}
+#undef skip_relax_pass_0
+#undef skip_relax_pass_1
static void
-elfNN_ia64_relax_ldxmov (contents, off)
- bfd_byte *contents;
- bfd_vma off;
+elfNN_ia64_relax_ldxmov (bfd_byte *contents, bfd_vma off)
{
int shift, r1, r3;
bfd_vma dword, insn;
/* Return TRUE if NAME is an unwind table section name. */
static inline bfd_boolean
-is_unwind_section_name (abfd, name)
- bfd *abfd;
- const char *name;
+is_unwind_section_name (bfd *abfd, const char *name)
{
- size_t len1, len2, len3;
-
if (elfNN_ia64_hpux_vec (abfd->xvec)
&& !strcmp (name, ELF_STRING_ia64_unwind_hdr))
return FALSE;
- len1 = sizeof (ELF_STRING_ia64_unwind) - 1;
- len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
- len3 = sizeof (ELF_STRING_ia64_unwind_once) - 1;
- return ((strncmp (name, ELF_STRING_ia64_unwind, len1) == 0
- && strncmp (name, ELF_STRING_ia64_unwind_info, len2) != 0)
- || strncmp (name, ELF_STRING_ia64_unwind_once, len3) == 0);
+ return ((CONST_STRNEQ (name, ELF_STRING_ia64_unwind)
+ && ! CONST_STRNEQ (name, ELF_STRING_ia64_unwind_info))
+ || CONST_STRNEQ (name, ELF_STRING_ia64_unwind_once));
}
/* Handle an IA-64 specific section when reading an object file. This
flag. */
static bfd_boolean
-elfNN_ia64_section_flags (flags, hdr)
- flagword *flags;
- const Elf_Internal_Shdr *hdr;
+elfNN_ia64_section_flags (flagword *flags,
+ const Elf_Internal_Shdr *hdr)
{
if (hdr->sh_flags & SHF_IA_64_SHORT)
*flags |= SEC_SMALL_DATA;
section name, which is a hack, but ought to work. */
static bfd_boolean
-elfNN_ia64_fake_sections (abfd, hdr, sec)
- bfd *abfd ATTRIBUTE_UNUSED;
- Elf_Internal_Shdr *hdr;
- asection *sec;
+elfNN_ia64_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr,
+ asection *sec)
{
register const char *name;
if (sec->flags & SEC_SMALL_DATA)
hdr->sh_flags |= SHF_IA_64_SHORT;
+ /* Some HP linkers look for the SHF_IA_64_HP_TLS flag instead of SHF_TLS. */
+
+ if (elfNN_ia64_hpux_vec (abfd->xvec) && (sec->flags & SHF_TLS))
+ hdr->sh_flags |= SHF_IA_64_HP_TLS;
+
return TRUE;
}
object file. */
static void
-elfNN_ia64_final_write_processing (abfd, linker)
- bfd *abfd;
- bfd_boolean linker ATTRIBUTE_UNUSED;
+elfNN_ia64_final_write_processing (bfd *abfd,
+ bfd_boolean linker ATTRIBUTE_UNUSED)
{
Elf_Internal_Shdr *hdr;
asection *s;
file. We use it to put .comm items in .sbss, and not .bss. */
static bfd_boolean
-elfNN_ia64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd *abfd;
- struct bfd_link_info *info;
- Elf_Internal_Sym *sym;
- const char **namep ATTRIBUTE_UNUSED;
- flagword *flagsp ATTRIBUTE_UNUSED;
- asection **secp;
- bfd_vma *valp;
+elfNN_ia64_add_symbol_hook (bfd *abfd,
+ struct bfd_link_info *info,
+ Elf_Internal_Sym *sym,
+ const char **namep ATTRIBUTE_UNUSED,
+ flagword *flagsp ATTRIBUTE_UNUSED,
+ asection **secp,
+ bfd_vma *valp)
{
if (sym->st_shndx == SHN_COMMON
&& !info->relocatable
/* Return the number of additional phdrs we will need. */
static int
-elfNN_ia64_additional_program_headers (abfd)
- bfd *abfd;
+elfNN_ia64_additional_program_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
asection *s;
int ret = 0;
}
static bfd_boolean
-elfNN_ia64_modify_segment_map (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
+elfNN_ia64_modify_segment_map (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
struct elf_segment_map *m, **pm;
Elf_Internal_Shdr *hdr;
}
}
- /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
- the input sections for each output section in the segment and testing
- for SHF_IA_64_NORECOV on each. */
- for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next)
+ return TRUE;
+}
+
+/* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of
+ the input sections for each output section in the segment and testing
+ for SHF_IA_64_NORECOV on each. */
+
+static bfd_boolean
+elfNN_ia64_modify_program_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ struct elf_obj_tdata *tdata = elf_tdata (abfd);
+ struct elf_segment_map *m;
+ Elf_Internal_Phdr *p;
+
+ for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
if (m->p_type == PT_LOAD)
{
int i;
for (i = m->count - 1; i >= 0; --i)
{
struct bfd_link_order *order = m->sections[i]->map_head.link_order;
- while (order)
+
+ while (order != NULL)
{
if (order->type == bfd_indirect_link_order)
{
bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags;
if (flags & SHF_IA_64_NORECOV)
{
- m->p_flags |= PF_IA_64_NORECOV;
+ p->p_flags |= PF_IA_64_NORECOV;
goto found;
}
}
'.' are local. */
static bfd_boolean
-elfNN_ia64_is_local_label_name (abfd, name)
- bfd *abfd ATTRIBUTE_UNUSED;
- const char *name;
+elfNN_ia64_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *name)
{
return name[0] == '.';
}
/* Should we do dynamic things to this symbol? */
static bfd_boolean
-elfNN_ia64_dynamic_symbol_p (h, info, r_type)
- struct elf_link_hash_entry *h;
- struct bfd_link_info *info;
- int r_type;
+elfNN_ia64_dynamic_symbol_p (struct elf_link_hash_entry *h,
+ struct bfd_link_info *info, int r_type)
{
bfd_boolean ignore_protected
= ((r_type & 0xf8) == 0x40 /* FPTR relocs */
}
\f
static struct bfd_hash_entry*
-elfNN_ia64_new_elf_hash_entry (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+elfNN_ia64_new_elf_hash_entry (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
struct elfNN_ia64_link_hash_entry *ret;
ret = (struct elfNN_ia64_link_hash_entry *) entry;
table, string));
ret->info = NULL;
+ ret->count = 0;
+ ret->sorted_count = 0;
+ ret->size = 0;
return (struct bfd_hash_entry *) ret;
}
static void
-elfNN_ia64_hash_copy_indirect (bed, xdir, xind)
- const struct elf_backend_data *bed ATTRIBUTE_UNUSED;
- struct elf_link_hash_entry *xdir, *xind;
+elfNN_ia64_hash_copy_indirect (struct bfd_link_info *info,
+ struct elf_link_hash_entry *xdir,
+ struct elf_link_hash_entry *xind)
{
struct elfNN_ia64_link_hash_entry *dir, *ind;
/* Copy over the got and plt data. This would have been done
by check_relocs. */
- if (dir->info == NULL)
+ if (ind->info != NULL)
{
struct elfNN_ia64_dyn_sym_info *dyn_i;
+ unsigned int count;
+
+ if (dir->info)
+ free (dir->info);
+
+ dir->info = ind->info;
+ dir->count = ind->count;
+ dir->sorted_count = ind->sorted_count;
+ dir->size = ind->size;
- dir->info = dyn_i = ind->info;
ind->info = NULL;
+ ind->count = 0;
+ ind->sorted_count = 0;
+ ind->size = 0;
/* Fix up the dyn_sym_info pointers to the global symbol. */
- for (; dyn_i; dyn_i = dyn_i->next)
+ for (count = dir->count, dyn_i = dir->info;
+ count != 0;
+ count--, dyn_i++)
dyn_i->h = &dir->root;
}
- BFD_ASSERT (ind->info == NULL);
/* Copy over the dynindx. */
- if (dir->root.dynindx == -1)
+ if (ind->root.dynindx != -1)
{
+ if (dir->root.dynindx != -1)
+ _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
+ dir->root.dynstr_index);
dir->root.dynindx = ind->root.dynindx;
dir->root.dynstr_index = ind->root.dynstr_index;
ind->root.dynindx = -1;
ind->root.dynstr_index = 0;
}
- BFD_ASSERT (ind->root.dynindx == -1);
}
static void
-elfNN_ia64_hash_hide_symbol (info, xh, force_local)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *xh;
- bfd_boolean force_local;
+elfNN_ia64_hash_hide_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *xh,
+ bfd_boolean force_local)
{
struct elfNN_ia64_link_hash_entry *h;
struct elfNN_ia64_dyn_sym_info *dyn_i;
+ unsigned int count;
h = (struct elfNN_ia64_link_hash_entry *)xh;
_bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
- for (dyn_i = h->info; dyn_i; dyn_i = dyn_i->next)
+ for (count = h->count, dyn_i = h->info;
+ count != 0;
+ count--, dyn_i++)
{
dyn_i->want_plt2 = 0;
dyn_i->want_plt = 0;
/* Compute a hash of a local hash entry. */
static hashval_t
-elfNN_ia64_local_htab_hash (ptr)
- const void *ptr;
+elfNN_ia64_local_htab_hash (const void *ptr)
{
struct elfNN_ia64_local_hash_entry *entry
= (struct elfNN_ia64_local_hash_entry *) ptr;
/* Compare local hash entries. */
static int
-elfNN_ia64_local_htab_eq (ptr1, ptr2)
- const void *ptr1, *ptr2;
+elfNN_ia64_local_htab_eq (const void *ptr1, const void *ptr2)
{
struct elfNN_ia64_local_hash_entry *entry1
= (struct elfNN_ia64_local_hash_entry *) ptr1;
linker (without using static variables). */
static struct bfd_link_hash_table*
-elfNN_ia64_hash_table_create (abfd)
- bfd *abfd;
+elfNN_ia64_hash_table_create (bfd *abfd)
{
struct elfNN_ia64_link_hash_table *ret;
return 0;
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
- elfNN_ia64_new_elf_hash_entry))
+ elfNN_ia64_new_elf_hash_entry,
+ sizeof (struct elfNN_ia64_link_hash_entry)))
{
free (ret);
return 0;
return &ret->root.root;
}
+/* Free the global elfNN_ia64_dyn_sym_info array. */
+
+static bfd_boolean
+elfNN_ia64_global_dyn_info_free (void **xentry,
+ PTR unused ATTRIBUTE_UNUSED)
+{
+ struct elfNN_ia64_link_hash_entry *entry
+ = (struct elfNN_ia64_link_hash_entry *) xentry;
+
+ if (entry->root.root.type == bfd_link_hash_warning)
+ entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link;
+
+ if (entry->info)
+ {
+ free (entry->info);
+ entry->info = NULL;
+ entry->count = 0;
+ entry->sorted_count = 0;
+ entry->size = 0;
+ }
+
+ return TRUE;
+}
+
+/* Free the local elfNN_ia64_dyn_sym_info array. */
+
+static bfd_boolean
+elfNN_ia64_local_dyn_info_free (void **slot,
+ PTR unused ATTRIBUTE_UNUSED)
+{
+ struct elfNN_ia64_local_hash_entry *entry
+ = (struct elfNN_ia64_local_hash_entry *) *slot;
+
+ if (entry->info)
+ {
+ free (entry->info);
+ entry->info = NULL;
+ entry->count = 0;
+ entry->sorted_count = 0;
+ entry->size = 0;
+ }
+
+ return TRUE;
+}
+
/* Destroy IA-64 linker hash table. */
static void
-elfNN_ia64_hash_table_free (hash)
- struct bfd_link_hash_table *hash;
+elfNN_ia64_hash_table_free (struct bfd_link_hash_table *hash)
{
struct elfNN_ia64_link_hash_table *ia64_info
= (struct elfNN_ia64_link_hash_table *) hash;
if (ia64_info->loc_hash_table)
- htab_delete (ia64_info->loc_hash_table);
+ {
+ htab_traverse (ia64_info->loc_hash_table,
+ elfNN_ia64_local_dyn_info_free, NULL);
+ htab_delete (ia64_info->loc_hash_table);
+ }
if (ia64_info->loc_hash_memory)
objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory);
+ elf_link_hash_traverse (&ia64_info->root,
+ elfNN_ia64_global_dyn_info_free, NULL);
_bfd_generic_link_hash_table_free (hash);
}
struct elfNN_ia64_dyn_sym_traverse_data
{
- bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
+ bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR);
PTR data;
};
static bfd_boolean
-elfNN_ia64_global_dyn_sym_thunk (xentry, xdata)
- struct bfd_hash_entry *xentry;
- PTR xdata;
+elfNN_ia64_global_dyn_sym_thunk (struct bfd_hash_entry *xentry,
+ PTR xdata)
{
struct elfNN_ia64_link_hash_entry *entry
= (struct elfNN_ia64_link_hash_entry *) xentry;
struct elfNN_ia64_dyn_sym_traverse_data *data
= (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
struct elfNN_ia64_dyn_sym_info *dyn_i;
+ unsigned int count;
if (entry->root.root.type == bfd_link_hash_warning)
entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link;
- for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
+ for (count = entry->count, dyn_i = entry->info;
+ count != 0;
+ count--, dyn_i++)
if (! (*data->func) (dyn_i, data->data))
return FALSE;
return TRUE;
}
static bfd_boolean
-elfNN_ia64_local_dyn_sym_thunk (slot, xdata)
- void **slot;
- PTR xdata;
+elfNN_ia64_local_dyn_sym_thunk (void **slot, PTR xdata)
{
struct elfNN_ia64_local_hash_entry *entry
= (struct elfNN_ia64_local_hash_entry *) *slot;
struct elfNN_ia64_dyn_sym_traverse_data *data
= (struct elfNN_ia64_dyn_sym_traverse_data *) xdata;
struct elfNN_ia64_dyn_sym_info *dyn_i;
+ unsigned int count;
- for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
+ for (count = entry->count, dyn_i = entry->info;
+ count != 0;
+ count--, dyn_i++)
if (! (*data->func) (dyn_i, data->data))
- return 0;
- return 1;
+ return FALSE;
+ return TRUE;
}
static void
-elfNN_ia64_dyn_sym_traverse (ia64_info, func, data)
- struct elfNN_ia64_link_hash_table *ia64_info;
- bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
- PTR data;
+elfNN_ia64_dyn_sym_traverse (struct elfNN_ia64_link_hash_table *ia64_info,
+ bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
+ PTR data)
{
struct elfNN_ia64_dyn_sym_traverse_data xdata;
}
\f
static bfd_boolean
-elfNN_ia64_create_dynamic_sections (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+elfNN_ia64_create_dynamic_sections (bfd *abfd,
+ struct bfd_link_info *info)
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *s;
/* Find and/or create a hash entry for local symbol. */
static struct elfNN_ia64_local_hash_entry *
-get_local_sym_hash (ia64_info, abfd, rel, create)
- struct elfNN_ia64_link_hash_table *ia64_info;
- bfd *abfd;
- const Elf_Internal_Rela *rel;
- bfd_boolean create;
+get_local_sym_hash (struct elfNN_ia64_link_hash_table *ia64_info,
+ bfd *abfd, const Elf_Internal_Rela *rel,
+ bfd_boolean create)
{
struct elfNN_ia64_local_hash_entry e, *ret;
asection *sec = abfd->sections;
return ret;
}
+/* Used to sort elfNN_ia64_dyn_sym_info array. */
+
+static int
+addend_compare (const void *xp, const void *yp)
+{
+ const struct elfNN_ia64_dyn_sym_info *x
+ = (const struct elfNN_ia64_dyn_sym_info *) xp;
+ const struct elfNN_ia64_dyn_sym_info *y
+ = (const struct elfNN_ia64_dyn_sym_info *) yp;
+
+ return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0;
+}
+
+/* Sort elfNN_ia64_dyn_sym_info array and remove duplicates. */
+
+static unsigned int
+sort_dyn_sym_info (struct elfNN_ia64_dyn_sym_info *info,
+ unsigned int count)
+{
+ bfd_vma curr, prev, got_offset;
+ unsigned int i, kept, dup, diff, dest, src, len;
+
+ qsort (info, count, sizeof (*info), addend_compare);
+
+ /* Find the first duplicate. */
+ prev = info [0].addend;
+ got_offset = info [0].got_offset;
+ for (i = 1; i < count; i++)
+ {
+ curr = info [i].addend;
+ if (curr == prev)
+ {
+ /* For duplicates, make sure that GOT_OFFSET is valid. */
+ if (got_offset == (bfd_vma) -1)
+ got_offset = info [i].got_offset;
+ break;
+ }
+ got_offset = info [i].got_offset;
+ prev = curr;
+ }
+
+ /* We may move a block of elements to here. */
+ dest = i++;
+
+ /* Remove duplicates. */
+ if (i < count)
+ {
+ while (i < count)
+ {
+ /* For duplicates, make sure that the kept one has a valid
+ got_offset. */
+ kept = dest - 1;
+ if (got_offset != (bfd_vma) -1)
+ info [kept].got_offset = got_offset;
+
+ curr = info [i].addend;
+ got_offset = info [i].got_offset;
+
+ /* Move a block of elements whose first one is different from
+ the previous. */
+ if (curr == prev)
+ {
+ for (src = i + 1; src < count; src++)
+ {
+ if (info [src].addend != curr)
+ break;
+ /* For duplicates, make sure that GOT_OFFSET is
+ valid. */
+ if (got_offset == (bfd_vma) -1)
+ got_offset = info [src].got_offset;
+ }
+
+ /* Make sure that the kept one has a valid got_offset. */
+ if (got_offset != (bfd_vma) -1)
+ info [kept].got_offset = got_offset;
+ }
+ else
+ src = i;
+
+ if (src >= count)
+ break;
+
+ /* Find the next duplicate. SRC will be kept. */
+ prev = info [src].addend;
+ got_offset = info [src].got_offset;
+ for (dup = src + 1; dup < count; dup++)
+ {
+ curr = info [dup].addend;
+ if (curr == prev)
+ {
+ /* Make sure that got_offset is valid. */
+ if (got_offset == (bfd_vma) -1)
+ got_offset = info [dup].got_offset;
+
+ /* For duplicates, make sure that the kept one has
+ a valid got_offset. */
+ if (got_offset != (bfd_vma) -1)
+ info [dup - 1].got_offset = got_offset;
+ break;
+ }
+ got_offset = info [dup].got_offset;
+ prev = curr;
+ }
+
+ /* How much to move. */
+ len = dup - src;
+ i = dup + 1;
+
+ if (len == 1 && dup < count)
+ {
+ /* If we only move 1 element, we combine it with the next
+ one. There must be at least a duplicate. Find the
+ next different one. */
+ for (diff = dup + 1, src++; diff < count; diff++, src++)
+ {
+ if (info [diff].addend != curr)
+ break;
+ /* Make sure that got_offset is valid. */
+ if (got_offset == (bfd_vma) -1)
+ got_offset = info [diff].got_offset;
+ }
+
+ /* Makre sure that the last duplicated one has an valid
+ offset. */
+ BFD_ASSERT (curr == prev);
+ if (got_offset != (bfd_vma) -1)
+ info [diff - 1].got_offset = got_offset;
+
+ if (diff < count)
+ {
+ /* Find the next duplicate. Track the current valid
+ offset. */
+ prev = info [diff].addend;
+ got_offset = info [diff].got_offset;
+ for (dup = diff + 1; dup < count; dup++)
+ {
+ curr = info [dup].addend;
+ if (curr == prev)
+ {
+ /* For duplicates, make sure that GOT_OFFSET
+ is valid. */
+ if (got_offset == (bfd_vma) -1)
+ got_offset = info [dup].got_offset;
+ break;
+ }
+ got_offset = info [dup].got_offset;
+ prev = curr;
+ diff++;
+ }
+
+ len = diff - src + 1;
+ i = diff + 1;
+ }
+ }
+
+ memmove (&info [dest], &info [src], len * sizeof (*info));
+
+ dest += len;
+ }
+
+ count = dest;
+ }
+ else
+ {
+ /* When we get here, either there is no duplicate at all or
+ the only duplicate is the last element. */
+ if (dest < count)
+ {
+ /* If the last element is a duplicate, make sure that the
+ kept one has a valid got_offset. We also update count. */
+ if (got_offset != (bfd_vma) -1)
+ info [dest - 1].got_offset = got_offset;
+ count = dest;
+ }
+ }
+
+ return count;
+}
+
/* Find and/or create a descriptor for dynamic symbol info. This will
- vary based on global or local symbol, and the addend to the reloc. */
+ vary based on global or local symbol, and the addend to the reloc.
+
+ We don't sort when inserting. Also, we sort and eliminate
+ duplicates if there is an unsorted section. Typically, this will
+ only happen once, because we do all insertions before lookups. We
+ then use bsearch to do a lookup. This also allows lookups to be
+ fast. So we have fast insertion (O(log N) due to duplicate check),
+ fast lookup (O(log N)) and one sort (O(N log N) expected time).
+ Previously, all lookups were O(N) because of the use of the linked
+ list and also all insertions were O(N) because of the check for
+ duplicates. There are some complications here because the array
+ size grows occasionally, which may add an O(N) factor, but this
+ should be rare. Also, we free the excess array allocation, which
+ requires a copy which is O(N), but this only happens once. */
static struct elfNN_ia64_dyn_sym_info *
-get_dyn_sym_info (ia64_info, h, abfd, rel, create)
- struct elfNN_ia64_link_hash_table *ia64_info;
- struct elf_link_hash_entry *h;
- bfd *abfd;
- const Elf_Internal_Rela *rel;
- bfd_boolean create;
+get_dyn_sym_info (struct elfNN_ia64_link_hash_table *ia64_info,
+ struct elf_link_hash_entry *h, bfd *abfd,
+ const Elf_Internal_Rela *rel, bfd_boolean create)
{
- struct elfNN_ia64_dyn_sym_info **pp;
- struct elfNN_ia64_dyn_sym_info *dyn_i;
+ struct elfNN_ia64_dyn_sym_info **info_p, *info, *dyn_i, key;
+ unsigned int *count_p, *sorted_count_p, *size_p;
+ unsigned int count, sorted_count, size;
bfd_vma addend = rel ? rel->r_addend : 0;
+ bfd_size_type amt;
if (h)
- pp = &((struct elfNN_ia64_link_hash_entry *)h)->info;
+ {
+ struct elfNN_ia64_link_hash_entry *global_h;
+
+ global_h = (struct elfNN_ia64_link_hash_entry *) h;
+ info_p = &global_h->info;
+ count_p = &global_h->count;
+ sorted_count_p = &global_h->sorted_count;
+ size_p = &global_h->size;
+ }
else
{
struct elfNN_ia64_local_hash_entry *loc_h;
return NULL;
}
- pp = &loc_h->info;
+ info_p = &loc_h->info;
+ count_p = &loc_h->count;
+ sorted_count_p = &loc_h->sorted_count;
+ size_p = &loc_h->size;
}
- for (dyn_i = *pp; dyn_i && dyn_i->addend != addend; dyn_i = *pp)
- pp = &dyn_i->next;
-
- if (dyn_i == NULL && create)
+ count = *count_p;
+ sorted_count = *sorted_count_p;
+ size = *size_p;
+ info = *info_p;
+ if (create)
{
- dyn_i = ((struct elfNN_ia64_dyn_sym_info *)
- bfd_zalloc (abfd, (bfd_size_type) sizeof *dyn_i));
- *pp = dyn_i;
+ /* When we create the array, we don't check for duplicates,
+ except in the previously sorted section if one exists, and
+ against the last inserted entry. This allows insertions to
+ be fast. */
+ if (info)
+ {
+ if (sorted_count)
+ {
+ /* Try bsearch first on the sorted section. */
+ key.addend = addend;
+ dyn_i = bsearch (&key, info, sorted_count,
+ sizeof (*info), addend_compare);
+
+ if (dyn_i)
+ {
+ return dyn_i;
+ }
+ }
+
+ /* Do a quick check for the last inserted entry. */
+ dyn_i = info + count - 1;
+ if (dyn_i->addend == addend)
+ {
+ return dyn_i;
+ }
+ }
+
+ if (size == 0)
+ {
+ /* It is the very first element. We create the array of size
+ 1. */
+ size = 1;
+ amt = size * sizeof (*info);
+ info = bfd_malloc (amt);
+ }
+ else if (size <= count)
+ {
+ /* We double the array size every time when we reach the
+ size limit. */
+ size += size;
+ amt = size * sizeof (*info);
+ info = bfd_realloc (info, amt);
+ }
+ else
+ goto has_space;
+
+ if (info == NULL)
+ return NULL;
+ *size_p = size;
+ *info_p = info;
+
+has_space:
+ /* Append the new one to the array. */
+ dyn_i = info + count;
+ memset (dyn_i, 0, sizeof (*dyn_i));
+ dyn_i->got_offset = (bfd_vma) -1;
dyn_i->addend = addend;
+
+ /* We increment count only since the new ones are unsorted and
+ may have duplicate. */
+ (*count_p)++;
+ }
+ else
+ {
+ /* It is a lookup without insertion. Sort array if part of the
+ array isn't sorted. */
+ if (count != sorted_count)
+ {
+ count = sort_dyn_sym_info (info, count);
+ *count_p = count;
+ *sorted_count_p = count;
+ }
+
+ /* Free unused memory. */
+ if (size != count)
+ {
+ amt = count * sizeof (*info);
+ info = bfd_malloc (amt);
+ if (info != NULL)
+ {
+ memcpy (info, *info_p, amt);
+ free (*info_p);
+ *size_p = count;
+ *info_p = info;
+ }
+ }
+
+ key.addend = addend;
+ dyn_i = bsearch (&key, info, count,
+ sizeof (*info), addend_compare);
}
return dyn_i;
}
static asection *
-get_got (abfd, info, ia64_info)
- bfd *abfd;
- struct bfd_link_info *info;
- struct elfNN_ia64_link_hash_table *ia64_info;
+get_got (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_link_hash_table *ia64_info)
{
asection *got;
bfd *dynobj;
of a procedure, thus ensuring a unique address for each procedure. */
static asection *
-get_fptr (abfd, info, ia64_info)
- bfd *abfd;
- struct bfd_link_info *info;
- struct elfNN_ia64_link_hash_table *ia64_info;
+get_fptr (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_link_hash_table *ia64_info)
{
asection *fptr;
bfd *dynobj;
}
static asection *
-get_pltoff (abfd, info, ia64_info)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- struct elfNN_ia64_link_hash_table *ia64_info;
+get_pltoff (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct elfNN_ia64_link_hash_table *ia64_info)
{
asection *pltoff;
bfd *dynobj;
}
static asection *
-get_reloc_section (abfd, ia64_info, sec, create)
- bfd *abfd;
- struct elfNN_ia64_link_hash_table *ia64_info;
- asection *sec;
- bfd_boolean create;
+get_reloc_section (bfd *abfd,
+ struct elfNN_ia64_link_hash_table *ia64_info,
+ asection *sec, bfd_boolean create)
{
const char *srel_name;
asection *srel;
if (srel_name == NULL)
return NULL;
- BFD_ASSERT ((strncmp (srel_name, ".rela", 5) == 0
+ BFD_ASSERT ((CONST_STRNEQ (srel_name, ".rela")
&& strcmp (bfd_get_section_name (abfd, sec),
srel_name+5) == 0)
- || (strncmp (srel_name, ".rel", 4) == 0
+ || (CONST_STRNEQ (srel_name, ".rel")
&& strcmp (bfd_get_section_name (abfd, sec),
srel_name+4) == 0));
return NULL;
}
- return srel;
-}
+ return srel;
+}
+
+static bfd_boolean
+count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
+ asection *srel, int type, bfd_boolean reltext)
+{
+ struct elfNN_ia64_dyn_reloc_entry *rent;
+
+ for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
+ if (rent->srel == srel && rent->type == type)
+ break;
+
+ if (!rent)
+ {
+ rent = ((struct elfNN_ia64_dyn_reloc_entry *)
+ bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
+ if (!rent)
+ return FALSE;
+
+ rent->next = dyn_i->reloc_entries;
+ rent->srel = srel;
+ rent->type = type;
+ rent->count = 0;
+ dyn_i->reloc_entries = rent;
+ }
+ rent->reltext = reltext;
+ rent->count++;
+
+ return TRUE;
+}
+
+static bfd_boolean
+elfNN_ia64_check_relocs (bfd *abfd, struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
+{
+ struct elfNN_ia64_link_hash_table *ia64_info;
+ const Elf_Internal_Rela *relend;
+ Elf_Internal_Shdr *symtab_hdr;
+ const Elf_Internal_Rela *rel;
+ asection *got, *fptr, *srel, *pltoff;
+ enum {
+ NEED_GOT = 1,
+ NEED_GOTX = 2,
+ NEED_FPTR = 4,
+ NEED_PLTOFF = 8,
+ NEED_MIN_PLT = 16,
+ NEED_FULL_PLT = 32,
+ NEED_DYNREL = 64,
+ NEED_LTOFF_FPTR = 128,
+ NEED_TPREL = 256,
+ NEED_DTPMOD = 512,
+ NEED_DTPREL = 1024
+ };
+ int need_entry;
+ struct elf_link_hash_entry *h;
+ unsigned long r_symndx;
+ bfd_boolean maybe_dynamic;
+
+ if (info->relocatable)
+ return TRUE;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ ia64_info = elfNN_ia64_hash_table (info);
+
+ got = fptr = srel = pltoff = NULL;
+
+ relend = relocs + sec->reloc_count;
+
+ /* We scan relocations first to create dynamic relocation arrays. We
+ modified get_dyn_sym_info to allow fast insertion and support fast
+ lookup in the next loop. */
+ for (rel = relocs; rel < relend; ++rel)
+ {
+ r_symndx = ELFNN_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ long indx = r_symndx - symtab_hdr->sh_info;
+ h = elf_sym_hashes (abfd)[indx];
+ 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;
+ }
+ else
+ h = NULL;
+
+ /* We can only get preliminary data on whether a symbol is
+ locally or externally defined, as not all of the input files
+ have yet been processed. Do something with what we know, as
+ this may help reduce memory usage and processing time later. */
+ maybe_dynamic = (h && ((!info->executable
+ && (!SYMBOLIC_BIND (info, h)
+ || info->unresolved_syms_in_shared_libs == RM_IGNORE))
+ || !h->def_regular
+ || h->root.type == bfd_link_hash_defweak));
+
+ need_entry = 0;
+ switch (ELFNN_R_TYPE (rel->r_info))
+ {
+ case R_IA64_TPREL64MSB:
+ case R_IA64_TPREL64LSB:
+ if (info->shared || maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
+
+ case R_IA64_LTOFF_TPREL22:
+ need_entry = NEED_TPREL;
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ break;
+
+ case R_IA64_DTPREL32MSB:
+ case R_IA64_DTPREL32LSB:
+ case R_IA64_DTPREL64MSB:
+ case R_IA64_DTPREL64LSB:
+ if (info->shared || maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
+
+ case R_IA64_LTOFF_DTPREL22:
+ need_entry = NEED_DTPREL;
+ break;
+
+ case R_IA64_DTPMOD64MSB:
+ case R_IA64_DTPMOD64LSB:
+ if (info->shared || maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
+
+ case R_IA64_LTOFF_DTPMOD22:
+ need_entry = NEED_DTPMOD;
+ break;
+
+ case R_IA64_LTOFF_FPTR22:
+ case R_IA64_LTOFF_FPTR64I:
+ case R_IA64_LTOFF_FPTR32MSB:
+ case R_IA64_LTOFF_FPTR32LSB:
+ case R_IA64_LTOFF_FPTR64MSB:
+ case R_IA64_LTOFF_FPTR64LSB:
+ need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR;
+ break;
+
+ case R_IA64_FPTR64I:
+ case R_IA64_FPTR32MSB:
+ case R_IA64_FPTR32LSB:
+ case R_IA64_FPTR64MSB:
+ case R_IA64_FPTR64LSB:
+ if (info->shared || h)
+ need_entry = NEED_FPTR | NEED_DYNREL;
+ else
+ need_entry = NEED_FPTR;
+ break;
+
+ case R_IA64_LTOFF22:
+ case R_IA64_LTOFF64I:
+ need_entry = NEED_GOT;
+ break;
-static bfd_boolean
-count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
- asection *srel, int type, bfd_boolean reltext)
-{
- struct elfNN_ia64_dyn_reloc_entry *rent;
+ case R_IA64_LTOFF22X:
+ need_entry = NEED_GOTX;
+ break;
- for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
- if (rent->srel == srel && rent->type == type)
- break;
+ case R_IA64_PLTOFF22:
+ case R_IA64_PLTOFF64I:
+ case R_IA64_PLTOFF64MSB:
+ case R_IA64_PLTOFF64LSB:
+ need_entry = NEED_PLTOFF;
+ if (h)
+ {
+ if (maybe_dynamic)
+ need_entry |= NEED_MIN_PLT;
+ }
+ else
+ {
+ (*info->callbacks->warning)
+ (info, _("@pltoff reloc against local symbol"), 0,
+ abfd, 0, (bfd_vma) 0);
+ }
+ break;
- if (!rent)
- {
- rent = ((struct elfNN_ia64_dyn_reloc_entry *)
- bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
- if (!rent)
- return FALSE;
+ case R_IA64_PCREL21B:
+ case R_IA64_PCREL60B:
+ /* Depending on where this symbol is defined, we may or may not
+ need a full plt entry. Only skip if we know we'll not need
+ the entry -- static or symbolic, and the symbol definition
+ has already been seen. */
+ if (maybe_dynamic && rel->r_addend == 0)
+ need_entry = NEED_FULL_PLT;
+ break;
- rent->next = dyn_i->reloc_entries;
- rent->srel = srel;
- rent->type = type;
- rent->count = 0;
- dyn_i->reloc_entries = rent;
- }
- rent->reltext = reltext;
- rent->count++;
+ case R_IA64_IMM14:
+ case R_IA64_IMM22:
+ case R_IA64_IMM64:
+ case R_IA64_DIR32MSB:
+ case R_IA64_DIR32LSB:
+ case R_IA64_DIR64MSB:
+ case R_IA64_DIR64LSB:
+ /* Shared objects will always need at least a REL relocation. */
+ if (info->shared || maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
- return TRUE;
-}
+ case R_IA64_IPLTMSB:
+ case R_IA64_IPLTLSB:
+ /* Shared objects will always need at least a REL relocation. */
+ if (info->shared || maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
-static bfd_boolean
-elfNN_ia64_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
-{
- struct elfNN_ia64_link_hash_table *ia64_info;
- const Elf_Internal_Rela *relend;
- Elf_Internal_Shdr *symtab_hdr;
- const Elf_Internal_Rela *rel;
- asection *got, *fptr, *srel, *pltoff;
+ case R_IA64_PCREL22:
+ case R_IA64_PCREL64I:
+ case R_IA64_PCREL32MSB:
+ case R_IA64_PCREL32LSB:
+ case R_IA64_PCREL64MSB:
+ case R_IA64_PCREL64LSB:
+ if (maybe_dynamic)
+ need_entry = NEED_DYNREL;
+ break;
+ }
- if (info->relocatable)
- return TRUE;
+ if (!need_entry)
+ continue;
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- ia64_info = elfNN_ia64_hash_table (info);
+ if ((need_entry & NEED_FPTR) != 0
+ && rel->r_addend)
+ {
+ (*info->callbacks->warning)
+ (info, _("non-zero addend in @fptr reloc"), 0,
+ abfd, 0, (bfd_vma) 0);
+ }
- got = fptr = srel = pltoff = NULL;
+ if (get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE) == NULL)
+ return FALSE;
+ }
- relend = relocs + sec->reloc_count;
+ /* Now, we only do lookup without insertion, which is very fast
+ with the modified get_dyn_sym_info. */
for (rel = relocs; rel < relend; ++rel)
{
- enum {
- NEED_GOT = 1,
- NEED_GOTX = 2,
- NEED_FPTR = 4,
- NEED_PLTOFF = 8,
- NEED_MIN_PLT = 16,
- NEED_FULL_PLT = 32,
- NEED_DYNREL = 64,
- NEED_LTOFF_FPTR = 128,
- NEED_TPREL = 256,
- NEED_DTPMOD = 512,
- NEED_DTPREL = 1024
- };
-
- struct elf_link_hash_entry *h = NULL;
- unsigned long r_symndx = ELFNN_R_SYM (rel->r_info);
struct elfNN_ia64_dyn_sym_info *dyn_i;
- int need_entry;
- bfd_boolean maybe_dynamic;
int dynrel_type = R_IA64_NONE;
+ r_symndx = ELFNN_R_SYM (rel->r_info);
if (r_symndx >= symtab_hdr->sh_info)
{
/* We're dealing with a global symbol -- find its hash entry
h->ref_regular = 1;
}
+ else
+ h = NULL;
/* We can only get preliminary data on whether a symbol is
locally or externally defined, as not all of the input files
have yet been processed. Do something with what we know, as
this may help reduce memory usage and processing time later. */
- maybe_dynamic = FALSE;
- if (h && ((!info->executable
- && (!info->symbolic
- || info->unresolved_syms_in_shared_libs == RM_IGNORE))
- || !h->def_regular
- || h->root.type == bfd_link_hash_defweak))
- maybe_dynamic = TRUE;
+ maybe_dynamic = (h && ((!info->executable
+ && (!SYMBOLIC_BIND (info, h)
+ || info->unresolved_syms_in_shared_libs == RM_IGNORE))
+ || !h->def_regular
+ || h->root.type == bfd_link_hash_defweak));
need_entry = 0;
switch (ELFNN_R_TYPE (rel->r_info))
if (maybe_dynamic)
need_entry |= NEED_MIN_PLT;
}
- else
- {
- (*info->callbacks->warning)
- (info, _("@pltoff reloc against local symbol"), 0,
- abfd, 0, (bfd_vma) 0);
- }
break;
case R_IA64_PCREL21B:
if (!need_entry)
continue;
- if ((need_entry & NEED_FPTR) != 0
- && rel->r_addend)
- {
- (*info->callbacks->warning)
- (info, _("non-zero addend in @fptr reloc"), 0,
- abfd, 0, (bfd_vma) 0);
- }
-
- dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE);
+ dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, FALSE);
/* Record whether or not this is a local symbol. */
dyn_i->h = h;
external GOT entries first. */
static bfd_boolean
-allocate_global_data_got (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
/* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */
static bfd_boolean
-allocate_global_fptr_got (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
/* Lastly, allocate all the GOT entries for local data. */
static bfd_boolean
-allocate_local_got (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_local_got (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
/* Search for the index of a global symbol in it's defining object file. */
static long
-global_sym_index (h)
- struct elf_link_hash_entry *h;
+global_sym_index (struct elf_link_hash_entry *h)
{
struct elf_link_hash_entry **p;
bfd *obj;
in a main executable that is not exported. */
static bfd_boolean
-allocate_fptr (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_fptr (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
if (!x->info->executable
&& (!h
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
- || h->root.type != bfd_link_hash_undefweak))
+ || (h->root.type != bfd_link_hash_undefweak
+ && h->root.type != bfd_link_hash_undefined)))
{
if (h && h->dynindx == -1)
{
/* Allocate all the minimal PLT entries. */
static bfd_boolean
-allocate_plt_entries (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_plt_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
/* Allocate all the full PLT entries. */
static bfd_boolean
-allocate_plt2_entries (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_plt2_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
??? Relaxation might be able to determine that they are. */
static bfd_boolean
-allocate_pltoff_entries (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_pltoff_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
to be dynamic. */
static bfd_boolean
-allocate_dynrel_entries (dyn_i, data)
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- PTR data;
+allocate_dynrel_entries (struct elfNN_ia64_dyn_sym_info *dyn_i,
+ PTR data)
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
struct elfNN_ia64_link_hash_table *ia64_info;
&& ELF_ST_VISIBILITY (dyn_i->h->other)
&& dyn_i->h->root.type == bfd_link_hash_undefweak);
+ /* Take care of the GOT and PLT relocations. */
+
+ if ((!resolved_zero
+ && (dynamic_symbol || shared)
+ && (dyn_i->want_got || dyn_i->want_gotx))
+ || (dyn_i->want_ltoff_fptr
+ && dyn_i->h
+ && dyn_i->h->dynindx != -1))
+ {
+ if (!dyn_i->want_ltoff_fptr
+ || !x->info->pie
+ || dyn_i->h == NULL
+ || dyn_i->h->root.type != bfd_link_hash_undefweak)
+ ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+ }
+ if ((dynamic_symbol || shared) && dyn_i->want_tprel)
+ ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+ if (dynamic_symbol && dyn_i->want_dtpmod)
+ ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+ if (dynamic_symbol && dyn_i->want_dtprel)
+ ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+
+ if (x->only_got)
+ return TRUE;
+
+ if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
+ {
+ if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
+ ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
+ }
+
+ if (!resolved_zero && dyn_i->want_pltoff)
+ {
+ bfd_size_type t = 0;
+
+ /* Dynamic symbols get one IPLT relocation. Local symbols in
+ shared libraries get two REL relocations. Local symbols in
+ main applications get nothing. */
+ if (dynamic_symbol)
+ t = sizeof (ElfNN_External_Rela);
+ else if (shared)
+ t = 2 * sizeof (ElfNN_External_Rela);
+
+ ia64_info->rel_pltoff_sec->size += t;
+ }
+
/* Take care of the normal data relocations. */
for (rent = dyn_i->reloc_entries; rent; rent = rent->next)
rent->srel->size += sizeof (ElfNN_External_Rela) * count;
}
- /* Take care of the GOT and PLT relocations. */
-
- if ((!resolved_zero
- && (dynamic_symbol || shared)
- && (dyn_i->want_got || dyn_i->want_gotx))
- || (dyn_i->want_ltoff_fptr
- && dyn_i->h
- && dyn_i->h->dynindx != -1))
- {
- if (!dyn_i->want_ltoff_fptr
- || !x->info->pie
- || dyn_i->h == NULL
- || dyn_i->h->root.type != bfd_link_hash_undefweak)
- ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
- }
- if ((dynamic_symbol || shared) && dyn_i->want_tprel)
- ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
- if (dynamic_symbol && dyn_i->want_dtpmod)
- ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
- if (dynamic_symbol && dyn_i->want_dtprel)
- ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
- if (ia64_info->rel_fptr_sec && dyn_i->want_fptr)
- {
- if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak)
- ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela);
- }
-
- if (!resolved_zero && dyn_i->want_pltoff)
- {
- bfd_size_type t = 0;
-
- /* Dynamic symbols get one IPLT relocation. Local symbols in
- shared libraries get two REL relocations. Local symbols in
- main applications get nothing. */
- if (dynamic_symbol)
- t = sizeof (ElfNN_External_Rela);
- else if (shared)
- t = 2 * sizeof (ElfNN_External_Rela);
-
- ia64_info->rel_pltoff_sec->size += t;
- }
-
return TRUE;
}
static bfd_boolean
-elfNN_ia64_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- struct elf_link_hash_entry *h;
+elfNN_ia64_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct elf_link_hash_entry *h)
{
/* ??? Undefined symbols with PLT entries should be re-defined
to be the PLT entry. */
}
static bfd_boolean
-elfNN_ia64_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info;
+elfNN_ia64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
struct elfNN_ia64_allocate_data data;
struct elfNN_ia64_link_hash_table *ia64_info;
if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
ia64_info->rel_got_sec->size += sizeof (ElfNN_External_Rela);
+ data.only_got = FALSE;
elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
}
if (strcmp (name, ".got.plt") == 0)
strip = FALSE;
- else if (strncmp (name, ".rel", 4) == 0)
+ else if (CONST_STRNEQ (name, ".rel"))
{
if (!strip)
{
}
static bfd_reloc_status_type
-elfNN_ia64_install_value (hit_addr, v, r_type)
- bfd_byte *hit_addr;
- bfd_vma v;
- unsigned int r_type;
+elfNN_ia64_install_value (bfd_byte *hit_addr, bfd_vma v,
+ unsigned int r_type)
{
const struct ia64_operand *op;
int bigendian = 0, shift = 0;
}
static void
-elfNN_ia64_install_dyn_reloc (abfd, info, sec, srel, offset, type,
- dynindx, addend)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- asection *srel;
- bfd_vma offset;
- unsigned int type;
- long dynindx;
- bfd_vma addend;
+elfNN_ia64_install_dyn_reloc (bfd *abfd, struct bfd_link_info *info,
+ asection *sec, asection *srel,
+ bfd_vma offset, unsigned int type,
+ long dynindx, bfd_vma addend)
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
and return the gp-relative address of the linkage table entry. */
static bfd_vma
-set_got_entry (abfd, info, dyn_i, dynindx, addend, value, dyn_r_type)
- bfd *abfd;
- struct bfd_link_info *info;
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- long dynindx;
- bfd_vma addend;
- bfd_vma value;
- unsigned int dyn_r_type;
+set_got_entry (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_dyn_sym_info *dyn_i,
+ long dynindx, bfd_vma addend, bfd_vma value,
+ unsigned int dyn_r_type)
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *got_sec;
address and its global pointer. Return the descriptor's address. */
static bfd_vma
-set_fptr_entry (abfd, info, dyn_i, value)
- bfd *abfd;
- struct bfd_link_info *info;
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- bfd_vma value;
+set_fptr_entry (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_dyn_sym_info *dyn_i,
+ bfd_vma value)
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *fptr_sec;
and its global pointer. Return the descriptor's address. */
static bfd_vma
-set_pltoff_entry (abfd, info, dyn_i, value, is_plt)
- bfd *abfd;
- struct bfd_link_info *info;
- struct elfNN_ia64_dyn_sym_info *dyn_i;
- bfd_vma value;
- bfd_boolean is_plt;
+set_pltoff_entry (bfd *abfd, struct bfd_link_info *info,
+ struct elfNN_ia64_dyn_sym_info *dyn_i,
+ bfd_vma value, bfd_boolean is_plt)
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *pltoff_sec;
is assigned offset round(2 * size of pointer, PT_TLS p_align). */
static bfd_vma
-elfNN_ia64_tprel_base (info)
- struct bfd_link_info *info;
+elfNN_ia64_tprel_base (struct bfd_link_info *info)
{
asection *tls_sec = elf_hash_table (info)->tls_sec;
-
- BFD_ASSERT (tls_sec != NULL);
return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4,
tls_sec->alignment_power);
}
This is PT_TLS segment p_vaddr. */
static bfd_vma
-elfNN_ia64_dtprel_base (info)
- struct bfd_link_info *info;
+elfNN_ia64_dtprel_base (struct bfd_link_info *info)
{
- BFD_ASSERT (elf_hash_table (info)->tls_sec != NULL);
return elf_hash_table (info)->tls_sec->vma;
}
static bfd *elfNN_ia64_unwind_entry_compare_bfd;
static int
-elfNN_ia64_unwind_entry_compare (a, b)
- const PTR a;
- const PTR b;
+elfNN_ia64_unwind_entry_compare (const PTR a, const PTR b)
{
bfd_vma av, bv;
/* Make sure we've got ourselves a nice fat __gp value. */
static bfd_boolean
-elfNN_ia64_choose_gp (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+elfNN_ia64_choose_gp (bfd *abfd, struct bfd_link_info *info)
{
bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
bfd_vma min_short_vma = min_vma, max_short_vma = 0;
continue;
lo = os->vma;
- hi = os->vma + os->size;
+ hi = os->vma + (os->rawsize ? os->rawsize : os->size);
if (hi < lo)
hi = (bfd_vma) -1;
gp_val = got_sec->output_section->vma;
else if (max_short_vma != 0)
gp_val = min_short_vma;
- else
+ else if (max_vma - min_vma < 0x200000)
gp_val = min_vma;
+ else
+ gp_val = max_vma - 0x200000 + 8;
/* If it is possible to address the entire image, but we
don't with the choice above, adjust. */
if (max_vma - min_vma < 0x400000
- && max_vma - gp_val <= 0x200000
- && gp_val - min_vma > 0x200000)
+ && (max_vma - gp_val >= 0x200000
+ || gp_val - min_vma > 0x200000))
gp_val = min_vma + 0x200000;
else if (max_short_vma != 0)
{
}
static bfd_boolean
-elfNN_ia64_final_link (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+elfNN_ia64_final_link (bfd *abfd, struct bfd_link_info *info)
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *unwind_output_sec;
/* Make sure we've got ourselves a nice fat __gp value. */
if (!info->relocatable)
{
- bfd_vma gp_val = _bfd_get_gp_value (abfd);
+ bfd_vma gp_val;
struct elf_link_hash_entry *gp;
- if (gp_val == 0)
- {
- if (! elfNN_ia64_choose_gp (abfd, info))
- return FALSE;
- gp_val = _bfd_get_gp_value (abfd);
- }
+ /* We assume after gp is set, section size will only decrease. We
+ need to adjust gp for it. */
+ _bfd_set_gp_value (abfd, 0);
+ if (! elfNN_ia64_choose_gp (abfd, info))
+ return FALSE;
+ gp_val = _bfd_get_gp_value (abfd);
gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
FALSE, FALSE);
}
static bfd_boolean
-elfNN_ia64_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;
+elfNN_ia64_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)
{
struct elfNN_ia64_link_hash_table *ia64_info;
Elf_Internal_Shdr *symtab_hdr;
elf_section_data(input_section->output_section)
->this_hdr.sh_flags |= flags;
- return TRUE;
}
gp_val = _bfd_get_gp_value (output_bfd);
sym_sec = local_sections[r_symndx];
msec = sym_sec;
value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel);
- if ((sym_sec->flags & SEC_MERGE)
+ if (!info->relocatable
+ && (sym_sec->flags & SEC_MERGE) != 0
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION
&& sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE)
{
if (loc_h && ! loc_h->sec_merge_done)
{
struct elfNN_ia64_dyn_sym_info *dynent;
+ unsigned int count;
- for (dynent = loc_h->info; dynent; dynent = dynent->next)
+ for (count = loc_h->count, dynent = loc_h->info;
+ count != 0;
+ count--, dynent++)
{
msec = sym_sec;
dynent->addend =
- sym_sec->output_section->vma
- sym_sec->output_offset;
}
+
+ /* We may have introduced duplicated entries. We need
+ to remove them properly. */
+ count = sort_dyn_sym_info (loc_h->info, loc_h->count);
+ if (count != loc_h->count)
+ {
+ loc_h->count = count;
+ loc_h->sorted_count = count;
+ }
+
loc_h->sec_merge_done = 1;
}
}
continue;
}
+ /* 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. */
+ if (sym_sec != NULL && elf_discarded_section (sym_sec))
+ {
+ _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
+ rel->r_info = 0;
+ rel->r_addend = 0;
+ continue;
+ }
+
+ if (info->relocatable)
+ continue;
+
hit_addr = contents + rel->r_offset;
value += rel->r_addend;
dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type);
case R_IA64_SEGREL32LSB:
case R_IA64_SEGREL64MSB:
case R_IA64_SEGREL64LSB:
- if (r_symndx == 0)
{
- /* If the input section was discarded from the output, then
- do nothing. */
- r = bfd_reloc_ok;
- }
- else
- {
- struct elf_segment_map *m;
- Elf_Internal_Phdr *p;
-
/* Find the segment that contains the output_section. */
- for (m = elf_tdata (output_bfd)->segment_map,
- p = elf_tdata (output_bfd)->phdr;
- m != NULL;
- m = m->next, p++)
- {
- int i;
- for (i = m->count - 1; i >= 0; i--)
- if (m->sections[i] == input_section->output_section)
- break;
- if (i >= 0)
- break;
- }
+ Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section
+ (output_bfd, input_section->output_section);
- if (m == NULL)
+ if (p == NULL)
{
r = bfd_reloc_notsupported;
}
case R_IA64_TPREL14:
case R_IA64_TPREL22:
case R_IA64_TPREL64I:
+ if (elf_hash_table (info)->tls_sec == NULL)
+ goto missing_tls_sec;
value -= elfNN_ia64_tprel_base (info);
r = elfNN_ia64_install_value (hit_addr, value, r_type);
break;
case R_IA64_DTPREL32MSB:
case R_IA64_DTPREL64LSB:
case R_IA64_DTPREL64MSB:
+ if (elf_hash_table (info)->tls_sec == NULL)
+ goto missing_tls_sec;
value -= elfNN_ia64_dtprel_base (info);
r = elfNN_ia64_install_value (hit_addr, value, r_type);
break;
case R_IA64_LTOFF_TPREL22:
if (!dynamic_symbol_p)
{
+ if (elf_hash_table (info)->tls_sec == NULL)
+ goto missing_tls_sec;
if (!info->shared)
value -= elfNN_ia64_tprel_base (info);
else
break;
case R_IA64_LTOFF_DTPREL22:
if (!dynamic_symbol_p)
- value -= elfNN_ia64_dtprel_base (info);
+ {
+ if (elf_hash_table (info)->tls_sec == NULL)
+ goto missing_tls_sec;
+ value -= elfNN_ia64_dtprel_base (info);
+ }
got_r_type = R_IA64_DTPRELNNLSB;
break;
}
case bfd_reloc_outofrange:
case bfd_reloc_overflow:
default:
+missing_tls_sec:
{
const char *name;
switch (r_type)
{
+ case R_IA64_TPREL14:
+ case R_IA64_TPREL22:
+ case R_IA64_TPREL64I:
+ case R_IA64_DTPREL14:
+ case R_IA64_DTPREL22:
+ case R_IA64_DTPREL64I:
+ case R_IA64_DTPREL32LSB:
+ case R_IA64_DTPREL32MSB:
+ case R_IA64_DTPREL64LSB:
+ case R_IA64_DTPREL64MSB:
+ case R_IA64_LTOFF_TPREL22:
+ case R_IA64_LTOFF_DTPMOD22:
+ case R_IA64_LTOFF_DTPREL22:
+ (*_bfd_error_handler)
+ (_("%B: missing TLS section for relocation %s against `%s' at 0x%lx in section `%A'."),
+ input_bfd, input_section, howto->name, name,
+ rel->r_offset);
+ break;
+
case R_IA64_PCREL21B:
case R_IA64_PCREL21BI:
case R_IA64_PCREL21M:
}
static bfd_boolean
-elfNN_ia64_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;
+elfNN_ia64_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
{
struct elfNN_ia64_link_hash_table *ia64_info;
struct elfNN_ia64_dyn_sym_info *dyn_i;
/* Mark some specially defined symbols as absolute. */
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
- || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
+ || h == ia64_info->root.hgot
+ || h == ia64_info->root.hplt)
sym->st_shndx = SHN_ABS;
return TRUE;
}
static bfd_boolean
-elfNN_ia64_finish_dynamic_sections (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+elfNN_ia64_finish_dynamic_sections (bfd *abfd,
+ struct bfd_link_info *info)
{
struct elfNN_ia64_link_hash_table *ia64_info;
bfd *dynobj;
/* Function to keep IA-64 specific file flags. */
static bfd_boolean
-elfNN_ia64_set_private_flags (abfd, flags)
- bfd *abfd;
- flagword flags;
+elfNN_ia64_set_private_flags (bfd *abfd, flagword flags)
{
BFD_ASSERT (!elf_flags_init (abfd)
|| elf_elfheader (abfd)->e_flags == flags);
/* Merge backend specific data from an object file to the output
object file when linking. */
static bfd_boolean
-elfNN_ia64_merge_private_bfd_data (ibfd, obfd)
- bfd *ibfd, *obfd;
+elfNN_ia64_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
{
flagword out_flags;
flagword in_flags;
}
static bfd_boolean
-elfNN_ia64_print_private_bfd_data (abfd, ptr)
- bfd *abfd;
- PTR ptr;
+elfNN_ia64_print_private_bfd_data (bfd *abfd, PTR ptr)
{
FILE *file = (FILE *) ptr;
flagword flags = elf_elfheader (abfd)->e_flags;
}
static enum elf_reloc_type_class
-elfNN_ia64_reloc_type_class (rela)
- const Elf_Internal_Rela *rela;
+elfNN_ia64_reloc_type_class (const Elf_Internal_Rela *rela)
{
switch ((int) ELFNN_R_TYPE (rela->r_info))
{
}
}
-static struct bfd_elf_special_section const
- ia64_special_sections_s[]=
+static const struct bfd_elf_special_section elfNN_ia64_special_sections[] =
{
- { ".sbss", 5, -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
- { ".sdata", 6, -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
- { NULL, 0, 0, 0, 0 }
-};
-
-static struct bfd_elf_special_section const *
- elfNN_ia64_special_sections[27] =
-{
- NULL, /* 'a' */
- NULL, /* 'b' */
- NULL, /* 'c' */
- NULL, /* 'd' */
- NULL, /* 'e' */
- NULL, /* 'f' */
- NULL, /* 'g' */
- NULL, /* 'h' */
- NULL, /* 'i' */
- NULL, /* 'j' */
- NULL, /* 'k' */
- NULL, /* 'l' */
- NULL, /* 'm' */
- NULL, /* 'n' */
- NULL, /* 'o' */
- NULL, /* 'p' */
- NULL, /* 'q' */
- NULL, /* 'r' */
- ia64_special_sections_s, /* 's' */
- NULL, /* 't' */
- NULL, /* 'u' */
- NULL, /* 'v' */
- NULL, /* 'w' */
- NULL, /* 'x' */
- NULL, /* 'y' */
- NULL, /* 'z' */
- NULL /* other */
+ { STRING_COMMA_LEN (".sbss"), -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT },
+ { NULL, 0, 0, 0, 0 }
};
static bfd_boolean
if (elf_sec_group (sec) == NULL
&& ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP))
== (SEC_LINK_ONCE | SEC_CODE))
- && strncmp (sec->name, ".gnu.linkonce.t.", 16) == 0)
+ && CONST_STRNEQ (sec->name, ".gnu.linkonce.t."))
{
name = sec->name + 16;
}
static void
-elfNN_hpux_post_process_headers (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
+elfNN_hpux_post_process_headers (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_HPUX;
+ i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi;
i_ehdrp->e_ident[EI_ABIVERSION] = 1;
}
-bfd_boolean
-elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec;
- int *retval;
+static bfd_boolean
+elfNN_hpux_backend_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec, int *retval)
{
if (bfd_is_com_section (sec))
{
elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
asymbol *asym)
{
- elf_symbol_type *elfsym = (elf_symbol_type *) asym;;
+ elf_symbol_type *elfsym = (elf_symbol_type *) asym;
switch (elfsym->internal_elf_sym.st_shndx)
{
#define ELF_MACHINE_ALT1 1999 /* EAS2.3 */
#define ELF_MACHINE_ALT2 1998 /* EAS2.2 */
#define ELF_MAXPAGESIZE 0x10000 /* 64KB */
+#define ELF_COMMONPAGESIZE 0x4000 /* 16KB */
#define elf_backend_section_from_shdr \
elfNN_ia64_section_from_shdr
elfNN_ia64_additional_program_headers
#define elf_backend_modify_segment_map \
elfNN_ia64_modify_segment_map
+#define elf_backend_modify_program_headers \
+ elfNN_ia64_modify_program_headers
#define elf_info_to_howto \
elfNN_ia64_info_to_howto
#define bfd_elfNN_bfd_reloc_type_lookup \
elfNN_ia64_reloc_type_lookup
+#define bfd_elfNN_bfd_reloc_name_lookup \
+ elfNN_ia64_reloc_name_lookup
#define bfd_elfNN_bfd_is_local_label_name \
elfNN_ia64_is_local_label_name
#define bfd_elfNN_bfd_relax_section \
elfNN_ia64_adjust_dynamic_symbol
#define elf_backend_size_dynamic_sections \
elfNN_ia64_size_dynamic_sections
+#define elf_backend_omit_section_dynsym \
+ ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
#define elf_backend_relocate_section \
elfNN_ia64_relocate_section
#define elf_backend_finish_dynamic_symbol \
#define elf_backend_want_dynbss 0
#define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
+#define elf_backend_fixup_symbol _bfd_elf_link_hash_fixup_symbol
#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
#define elf_backend_rela_normal 1
#define elf_backend_special_sections elfNN_ia64_special_sections
+#define elf_backend_default_execstack 0
/* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with
- SHF_LINK_ORDER. But it doesn't set theh sh_link or sh_info fields.
+ SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields.
We don't want to flood users with so many error messages. We turn
off the warning for now. It will be turned on later when the Intel
compiler is fixed. */
#undef elf_backend_want_p_paddr_set_to_zero
#define elf_backend_want_p_paddr_set_to_zero 1
-#undef ELF_MAXPAGESIZE
-#define ELF_MAXPAGESIZE 0x1000 /* 1K */
+#undef ELF_COMMONPAGESIZE
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_HPUX
#undef elfNN_bed
#define elfNN_bed elfNN_ia64_hpux_bed