/* IA-64 support for 64-bit ELF
- Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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
-(at your option) any later version.
+ 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
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "opcode/ia64.h"
#include "elf/ia64.h"
-/*
- * THE RULES for all the stuff the linker creates --
- *
- * GOT Entries created in response to LTOFF or LTOFF_FPTR
- * relocations. Dynamic relocs created for dynamic
- * symbols in an application; REL relocs for locals
- * in a shared library.
- *
- * FPTR The canonical function descriptor. Created for local
- * symbols in applications. Descriptors for dynamic symbols
- * and local symbols in shared libraries are created by
- * ld.so. Thus there are no dynamic relocs against these
- * objects. The FPTR relocs for such _are_ passed through
- * to the dynamic relocation tables.
- *
- * FULL_PLT Created for a PCREL21B relocation against a dynamic symbol.
- * Requires the creation of a PLTOFF entry. This does not
- * require any dynamic relocations.
- *
- * PLTOFF Created by PLTOFF relocations. For local symbols, this
- * is an alternate function descriptor, and in shared libraries
- * requires two REL relocations. Note that this cannot be
- * transformed into an FPTR relocation, since it must be in
- * range of the GP. For dynamic symbols, this is a function
- * descriptor for a MIN_PLT entry, and requires one IPLT reloc.
- *
- * MIN_PLT Created by PLTOFF entries against dynamic symbols. This
- * does not reqire dynamic relocations.
- */
-
-#define USE_RELA /* we want RELA relocs, not REL */
+/* THE RULES for all the stuff the linker creates --
+
+ GOT Entries created in response to LTOFF or LTOFF_FPTR
+ relocations. Dynamic relocs created for dynamic
+ symbols in an application; REL relocs for locals
+ in a shared library.
+
+ FPTR The canonical function descriptor. Created for local
+ symbols in applications. Descriptors for dynamic symbols
+ and local symbols in shared libraries are created by
+ ld.so. Thus there are no dynamic relocs against these
+ objects. The FPTR relocs for such _are_ passed through
+ to the dynamic relocation tables.
+
+ FULL_PLT Created for a PCREL21B relocation against a dynamic symbol.
+ Requires the creation of a PLTOFF entry. This does not
+ require any dynamic relocations.
+
+ PLTOFF Created by PLTOFF relocations. For local symbols, this
+ is an alternate function descriptor, and in shared libraries
+ requires two REL relocations. Note that this cannot be
+ transformed into an FPTR relocation, since it must be in
+ range of the GP. For dynamic symbols, this is a function
+ descriptor for a MIN_PLT entry, and requires one IPLT reloc.
+
+ MIN_PLT Created by PLTOFF entries against dynamic symbols. This
+ does not reqire dynamic relocations. */
#define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0])))
int count;
} *reloc_entries;
- /* True when the section contents have been updated. */
+ /* TRUE when the section contents have been updated. */
unsigned got_done : 1;
unsigned fptr_done : 1;
unsigned pltoff_done : 1;
unsigned dtpmod_done : 1;
unsigned dtprel_done : 1;
- /* True for the different kinds of linker data we want created. */
+ /* TRUE for the different kinds of linker data we want created. */
unsigned want_got : 1;
+ unsigned want_gotx : 1;
unsigned want_fptr : 1;
unsigned want_ltoff_fptr : 1;
unsigned want_plt : 1;
struct bfd_hash_entry root;
struct elfNN_ia64_dyn_sym_info *info;
- /* True if this hash entry's addends was translated for
+ /* TRUE if this hash entry's addends was translated for
SHF_MERGE optimization. */
unsigned sec_merge_done : 1;
};
struct elfNN_ia64_link_hash_table
{
- /* The main hash table */
+ /* The main hash table. */
struct elf_link_hash_table root;
asection *got_sec; /* the linkage table section (or NULL) */
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 */
struct elfNN_ia64_local_hash_table loc_hash_table;
};
+struct elfNN_ia64_allocate_data
+{
+ struct bfd_link_info *info;
+ bfd_size_type ofs;
+};
+
#define elfNN_ia64_hash_table(p) \
((struct elfNN_ia64_link_hash_table *) ((p)->hash))
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, ElfNN_Internal_Rela *elf_reloc));
-static boolean elfNN_ia64_relax_section
+ 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,
- boolean *again));
-static boolean is_unwind_section_name
+ bfd_boolean *again));
+static void elfNN_ia64_relax_ldxmov
+ PARAMS((bfd *abfd, bfd_byte *contents, bfd_vma off));
+static bfd_boolean is_unwind_section_name
PARAMS ((bfd *abfd, const char *));
-static boolean elfNN_ia64_section_from_shdr
- PARAMS ((bfd *, ElfNN_Internal_Shdr *, const char *));
-static boolean elfNN_ia64_section_flags
- PARAMS ((flagword *, ElfNN_Internal_Shdr *));
-static boolean elfNN_ia64_fake_sections
- PARAMS ((bfd *abfd, ElfNN_Internal_Shdr *hdr, asection *sec));
+static bfd_boolean elfNN_ia64_section_from_shdr
+ PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
+static bfd_boolean elfNN_ia64_section_flags
+ PARAMS ((flagword *, 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, boolean linker));
-static boolean elfNN_ia64_add_symbol_hook
+ PARAMS ((bfd *abfd, bfd_boolean linker));
+static bfd_boolean elfNN_ia64_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 boolean elfNN_ia64_aix_vec
+static bfd_boolean elfNN_ia64_aix_vec
PARAMS ((const bfd_target *vec));
-static boolean elfNN_ia64_aix_add_symbol_hook
+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 boolean elfNN_ia64_aix_link_add_symbols
+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 boolean elfNN_ia64_modify_segment_map
+static bfd_boolean elfNN_ia64_modify_segment_map
PARAMS ((bfd *));
-static boolean elfNN_ia64_is_local_label_name
+static bfd_boolean elfNN_ia64_is_local_label_name
PARAMS ((bfd *abfd, const char *name));
-static boolean elfNN_ia64_dynamic_symbol_p
+static bfd_boolean elfNN_ia64_dynamic_symbol_p
PARAMS ((struct elf_link_hash_entry *h, struct bfd_link_info *info));
-static boolean elfNN_ia64_local_hash_table_init
+static bfd_boolean elfNN_ia64_local_hash_table_init
PARAMS ((struct elfNN_ia64_local_hash_table *ht, bfd *abfd,
new_hash_entry_func new));
static struct bfd_hash_entry *elfNN_ia64_new_loc_hash_entry
PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
const char *string));
static void elfNN_ia64_hash_copy_indirect
- PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
+ PARAMS ((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 *, boolean));
+ PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean));
static struct bfd_link_hash_table *elfNN_ia64_hash_table_create
PARAMS ((bfd *abfd));
static struct elfNN_ia64_local_hash_entry *elfNN_ia64_local_hash_lookup
PARAMS ((struct elfNN_ia64_local_hash_table *table, const char *string,
- boolean create, boolean copy));
-static boolean elfNN_ia64_global_dyn_sym_thunk
+ bfd_boolean create, bfd_boolean copy));
+static bfd_boolean elfNN_ia64_global_dyn_sym_thunk
PARAMS ((struct bfd_hash_entry *, PTR));
-static boolean elfNN_ia64_local_dyn_sym_thunk
+static bfd_boolean elfNN_ia64_local_dyn_sym_thunk
PARAMS ((struct bfd_hash_entry *, PTR));
static void elfNN_ia64_dyn_sym_traverse
PARAMS ((struct elfNN_ia64_link_hash_table *ia64_info,
- boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
+ bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR),
PTR info));
-static boolean elfNN_ia64_create_dynamic_sections
+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, boolean create));
+ 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, boolean create));
+ 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));
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, boolean create));
-static boolean count_dyn_reloc
+ asection *sec, bfd_boolean create));
+static bfd_boolean count_dyn_reloc
PARAMS ((bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i,
asection *srel, int type));
-static boolean elfNN_ia64_check_relocs
+static bfd_boolean elfNN_ia64_check_relocs
PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *sec,
const Elf_Internal_Rela *relocs));
-static boolean elfNN_ia64_adjust_dynamic_symbol
+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 boolean allocate_fptr
+static bfd_boolean allocate_fptr
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_global_data_got
+static bfd_boolean allocate_global_data_got
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_global_fptr_got
+static bfd_boolean allocate_global_fptr_got
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_local_got
+static bfd_boolean allocate_local_got
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_pltoff_entries
+static bfd_boolean allocate_pltoff_entries
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_plt_entries
+static bfd_boolean allocate_plt_entries
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_plt2_entries
+static bfd_boolean allocate_plt2_entries
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean allocate_dynrel_entries
+static bfd_boolean allocate_dynrel_entries
PARAMS ((struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data));
-static boolean elfNN_ia64_size_dynamic_sections
+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 *abfd, bfd_byte *hit_addr, bfd_vma val, unsigned int r_type));
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, boolean));
+ 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 boolean elfNN_ia64_final_link
+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 boolean elfNN_ia64_relocate_section
+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 boolean elfNN_ia64_finish_dynamic_symbol
+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 boolean elfNN_ia64_finish_dynamic_sections
+static bfd_boolean elfNN_ia64_finish_dynamic_sections
PARAMS ((bfd *abfd, struct bfd_link_info *info));
-static boolean elfNN_ia64_set_private_flags
+static bfd_boolean elfNN_ia64_set_private_flags
PARAMS ((bfd *abfd, flagword flags));
-static boolean elfNN_ia64_merge_private_bfd_data
+static bfd_boolean elfNN_ia64_merge_private_bfd_data
PARAMS ((bfd *ibfd, bfd *obfd));
-static boolean elfNN_ia64_print_private_bfd_data
+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 *));
-static boolean elfNN_ia64_hpux_vec
+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));
-boolean elfNN_hpux_backend_section_from_bfd_section
+bfd_boolean elfNN_hpux_backend_section_from_bfd_section
PARAMS ((bfd *abfd, asection *sec, int *retval));
\f
-/* ia64-specific relocation */
+/* ia64-specific relocation. */
/* Perform a relocation. Not much to do here as all the hard work is
done in elfNN_ia64_final_link_relocate. */
reloc->address += input_section->output_offset;
return bfd_reloc_ok;
}
+
+ if (input_section->flags & SEC_DEBUGGING)
+ return bfd_reloc_continue;
+
*error_message = "Unsupported call to elfNN_ia64_reloc";
return bfd_reloc_notsupported;
}
#define IA64_HOWTO(TYPE, NAME, SIZE, PCREL, IN) \
HOWTO (TYPE, 0, SIZE, 0, PCREL, 0, complain_overflow_signed, \
- elfNN_ia64_reloc, NAME, false, 0, 0, IN)
+ elfNN_ia64_reloc, NAME, FALSE, 0, 0, IN)
/* This table has to be sorted according to increasing number of the
TYPE field. */
static reloc_howto_type ia64_howto_table[] =
{
- IA64_HOWTO (R_IA64_NONE, "NONE", 0, false, true),
-
- IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, false, true),
- IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, false, true),
- IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, false, true),
- IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, false, true),
- IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, false, true),
- IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, false, true),
- IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, false, true),
-
- IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, false, true),
- IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, false, true),
- IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, false, true),
- IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, true, true),
- IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, true, true),
- IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, true, true),
- IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, true, true),
-
- IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, false, true),
- IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, false, true),
- IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, false, true),
- IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, false, true),
- IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, false, true),
- IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, false, true),
-
- IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, true, true),
- IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, true, true),
-
- IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, false, true),
- IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, false, true),
- IA64_HOWTO (R_IA64_COPY, "COPY", 4, false, true),
- IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, false, true),
- IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, false, true),
-
- IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, false, false),
- IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, false, false),
- IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, false, false),
- IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 8, false, false),
- IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 8, false, false),
- IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, false, false),
-
- IA64_HOWTO (R_IA64_DTPMOD64MSB, "TPREL64MSB", 8, false, false),
- IA64_HOWTO (R_IA64_DTPMOD64LSB, "TPREL64LSB", 8, false, false),
- IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, false, false),
-
- IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, false, false),
- IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, false, false),
- IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, false, false),
- IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 4, false, false),
- IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 4, false, false),
- IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 8, false, false),
- IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 8, false, false),
- IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, false, false),
+ IA64_HOWTO (R_IA64_NONE, "NONE", 0, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, TRUE, TRUE),
+
+ IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, TRUE, TRUE),
+ IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, TRUE, TRUE),
+
+ IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_COPY, "COPY", 4, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, FALSE, TRUE),
+ IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, FALSE, TRUE),
+
+ IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, FALSE, FALSE),
+
+ IA64_HOWTO (R_IA64_DTPMOD64MSB, "TPREL64MSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPMOD64LSB, "TPREL64LSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, FALSE, FALSE),
+
+ IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 4, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 4, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 8, FALSE, FALSE),
+ IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, FALSE, FALSE),
};
static unsigned char elf_code_to_howto_index[R_IA64_MAX_RELOC_CODE + 1];
/* Given a BFD reloc type, return the matching HOWTO structure. */
-static reloc_howto_type*
+static reloc_howto_type *
lookup_howto (rtype)
unsigned int rtype;
{
elfNN_ia64_info_to_howto (abfd, bfd_reloc, elf_reloc)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *bfd_reloc;
- ElfNN_Internal_Rela *elf_reloc;
+ Elf_Internal_Rela *elf_reloc;
{
bfd_reloc->howto
= lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info));
#define DYNAMIC_INTERPRETER(abfd) \
(elfNN_ia64_aix_vec (abfd->xvec) ? AIX_DYNAMIC_INTERPRETER : ELF_DYNAMIC_INTERPRETER)
-/* Select out of range branch fixup type. Note that Itanium does
- not support brl, and so it gets emulated by the kernel. */
-#undef USE_BRL
-
static const bfd_byte oor_brl[16] =
{
0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */
0x00, 0x00, 0x00, 0xc0
};
-
-static const bfd_byte oor_ip[48] =
-{
- 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */
- 0x01, 0x00, 0x00, 0x60,
- 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */
- 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */
- 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */
- 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */
- 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */
- 0x60, 0x00, 0x80, 0x00 /* br b6;; */
-};
\f
-/* These functions do relaxation for IA-64 ELF.
-
- This is primarily to support branches to targets out of range;
- relaxation of R_IA64_LTOFF22X and R_IA64_LDXMOV not yet supported. */
+/* These functions do relaxation for IA-64 ELF. */
-static boolean
+static bfd_boolean
elfNN_ia64_relax_section (abfd, sec, link_info, again)
bfd *abfd;
asection *sec;
struct bfd_link_info *link_info;
- boolean *again;
+ bfd_boolean *again;
{
struct one_fixup
{
Elf_Internal_Sym *isymbuf = NULL;
struct elfNN_ia64_link_hash_table *ia64_info;
struct one_fixup *fixups = NULL;
- boolean changed_contents = false;
- boolean changed_relocs = false;
+ bfd_boolean changed_contents = FALSE;
+ bfd_boolean changed_relocs = FALSE;
+ bfd_boolean changed_got = FALSE;
+ bfd_vma gp = 0;
/* Assume we're not going to change any sizes, and we'll only need
one pass. */
- *again = false;
+ *again = FALSE;
- /* Nothing to do if there are no relocations. */
+ /* Don't even try to relax for non-ELF outputs. */
+ if (link_info->hash->creator->flavour != bfd_target_elf_flavour)
+ return FALSE;
+
+ /* Nothing to do if there are no relocations or there is no need for
+ the relax finalize pass. */
if ((sec->flags & SEC_RELOC) == 0
- || sec->reloc_count == 0)
- return true;
+ || sec->reloc_count == 0
+ || (link_info->relax_finalizing
+ && sec->need_finalize_relax == 0))
+ return TRUE;
/* If this is the first time we have been called for this section,
initialize the cooked size. */
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
link_info->keep_memory));
if (internal_relocs == NULL)
- return false;
+ return FALSE;
ia64_info = elfNN_ia64_hash_table (link_info);
irelend = internal_relocs + sec->reloc_count;
- for (irel = internal_relocs; irel < irelend; irel++)
- if (ELFNN_R_TYPE (irel->r_info) == (int) R_IA64_PCREL21B)
- break;
-
- /* No branch-type relocations. */
- if (irel == irelend)
- {
- if (elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
- return true;
- }
-
/* Get the section contents. */
if (elf_section_data (sec)->this_hdr.contents != NULL)
contents = elf_section_data (sec)->this_hdr.contents;
goto error_return;
}
- for (; irel < irelend; irel++)
+ for (irel = internal_relocs; irel < irelend; irel++)
{
+ unsigned long r_type = ELFNN_R_TYPE (irel->r_info);
bfd_vma symaddr, reladdr, trampoff, toff, roff;
asection *tsec;
struct one_fixup *f;
bfd_size_type amt;
+ bfd_boolean is_branch;
+ struct elfNN_ia64_dyn_sym_info *dyn_i;
- if (ELFNN_R_TYPE (irel->r_info) != (int) R_IA64_PCREL21B)
- continue;
+ switch (r_type)
+ {
+ case R_IA64_PCREL21B:
+ case R_IA64_PCREL21BI:
+ case R_IA64_PCREL21M:
+ case R_IA64_PCREL21F:
+ if (link_info->relax_finalizing)
+ continue;
+ is_branch = TRUE;
+ break;
+
+ case R_IA64_LTOFF22X:
+ case R_IA64_LDXMOV:
+ if (!link_info->relax_finalizing)
+ {
+ sec->need_finalize_relax = 1;
+ continue;
+ }
+ is_branch = FALSE;
+ break;
+
+ default:
+ continue;
+ }
/* Get the value of the symbol referred to by the reloc. */
if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info)
tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
toff = isym->st_value;
+ dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE);
}
else
{
unsigned long indx;
struct elf_link_hash_entry *h;
- struct elfNN_ia64_dyn_sym_info *dyn_i;
indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info;
h = elf_sym_hashes (abfd)[indx];
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE);
/* For branches to dynamic symbols, we're interested instead
in a branch to the PLT entry. */
- if (dyn_i && dyn_i->want_plt2)
+ if (is_branch && dyn_i && dyn_i->want_plt2)
{
+ /* Internal branches shouldn't be sent to the PLT.
+ Leave this for now and we'll give an error later. */
+ if (r_type != R_IA64_PCREL21B)
+ continue;
+
tsec = ia64_info->plt_sec;
toff = dyn_i->plt2_offset;
+ BFD_ASSERT (irel->r_addend == 0);
}
+
+ /* Can't do anything else with dynamic symbols. */
+ else if (elfNN_ia64_dynamic_symbol_p (h, link_info))
+ continue;
+
else
{
/* We can't do anthing with undefined symbols. */
}
}
- symaddr = (tsec->output_section->vma
- + tsec->output_offset
- + toff
- + irel->r_addend);
+ if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
+ toff = _bfd_merged_section_offset (abfd, &tsec,
+ elf_section_data (tsec)->sec_info,
+ toff + irel->r_addend,
+ (bfd_vma) 0);
+ else
+ toff += irel->r_addend;
+
+ symaddr = tsec->output_section->vma + tsec->output_offset + toff;
roff = irel->r_offset;
- reladdr = (sec->output_section->vma
- + sec->output_offset
- + roff) & (bfd_vma) -4;
- /* If the branch is in range, no need to do anything. */
- if ((bfd_signed_vma) (symaddr - reladdr) >= -0x1000000
- && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
- continue;
+ if (is_branch)
+ {
+ reladdr = (sec->output_section->vma
+ + sec->output_offset
+ + roff) & (bfd_vma) -4;
- /* If the branch and target are in the same section, you've
- got one honking big section and we can't help you. You'll
- get an error message later. */
- if (tsec == sec)
- continue;
+ /* If the branch is in range, no need to do anything. */
+ if ((bfd_signed_vma) (symaddr - reladdr) >= -0x1000000
+ && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0)
+ continue;
- /* Look for an existing fixup to this address. */
- for (f = fixups; f ; f = f->next)
- if (f->tsec == tsec && f->toff == toff)
- break;
+ /* If the branch and target are in the same section, you've
+ got one honking big section and we can't help you. You'll
+ get an error message later. */
+ if (tsec == sec)
+ continue;
- if (f == NULL)
- {
- /* Two alternatives: If it's a branch to a PLT entry, we can
- make a copy of the FULL_PLT entry. Otherwise, we'll have
- to use a `brl' insn to get where we're going. */
+ /* Look for an existing fixup to this address. */
+ for (f = fixups; f ; f = f->next)
+ if (f->tsec == tsec && f->toff == toff)
+ break;
+
+ if (f == NULL)
+ {
+ /* Two alternatives: If it's a branch to a PLT entry, we can
+ make a copy of the FULL_PLT entry. Otherwise, we'll have
+ to use a `brl' insn to get where we're going. */
- size_t size;
+ size_t size;
- if (tsec == ia64_info->plt_sec)
- size = sizeof (plt_full_entry);
+ if (tsec == ia64_info->plt_sec)
+ size = sizeof (plt_full_entry);
+ else
+ {
+ size = sizeof (oor_brl);
+ }
+
+ /* Resize the current section to make room for the new branch. */
+ trampoff = (sec->_cooked_size + 15) & (bfd_vma) -16;
+ amt = trampoff + size;
+ contents = (bfd_byte *) bfd_realloc (contents, amt);
+ if (contents == NULL)
+ goto error_return;
+ sec->_cooked_size = amt;
+
+ if (tsec == ia64_info->plt_sec)
+ {
+ memcpy (contents + trampoff, plt_full_entry, size);
+
+ /* Hijack the old relocation for use as the PLTOFF reloc. */
+ irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
+ R_IA64_PLTOFF22);
+ irel->r_offset = trampoff;
+ }
+ else
+ {
+ memcpy (contents + trampoff, oor_brl, size);
+ irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
+ R_IA64_PCREL60B);
+ irel->r_offset = trampoff + 2;
+ }
+
+ /* Record the fixup so we don't do it again this section. */
+ f = (struct one_fixup *)
+ bfd_malloc ((bfd_size_type) sizeof (*f));
+ f->next = fixups;
+ f->tsec = tsec;
+ f->toff = toff;
+ f->trampoff = trampoff;
+ fixups = f;
+ }
else
{
-#ifdef USE_BRL
- size = sizeof (oor_brl);
-#else
- size = sizeof (oor_ip);
-#endif
+ /* Nop out the reloc, since we're finalizing things here. */
+ irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
}
- /* Resize the current section to make room for the new branch. */
- trampoff = (sec->_cooked_size + 15) & (bfd_vma) -16;
- amt = trampoff + size;
- contents = (bfd_byte *) bfd_realloc (contents, amt);
- if (contents == NULL)
+ /* Fix up the existing branch to hit the trampoline. Hope like
+ hell this doesn't overflow too. */
+ if (elfNN_ia64_install_value (abfd, contents + roff,
+ f->trampoff - (roff & (bfd_vma) -4),
+ r_type) != bfd_reloc_ok)
goto error_return;
- sec->_cooked_size = amt;
- if (tsec == ia64_info->plt_sec)
+ changed_contents = TRUE;
+ changed_relocs = TRUE;
+ }
+ else
+ {
+ /* Fetch the gp. */
+ if (gp == 0)
{
- memcpy (contents + trampoff, plt_full_entry, size);
+ bfd *obfd = sec->output_section->owner;
+ gp = _bfd_get_gp_value (obfd);
+ if (gp == 0)
+ {
+ if (!elfNN_ia64_choose_gp (obfd, link_info))
+ goto error_return;
+ gp = _bfd_get_gp_value (obfd);
+ }
+ }
- /* Hijack the old relocation for use as the PLTOFF reloc. */
+ /* If the data is out of range, do nothing. */
+ if ((bfd_signed_vma) (symaddr - gp) >= 0x200000
+ ||(bfd_signed_vma) (symaddr - gp) < -0x200000)
+ continue;
+
+ if (r_type == R_IA64_LTOFF22X)
+ {
irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
- R_IA64_PLTOFF22);
- irel->r_offset = trampoff;
+ R_IA64_GPREL22);
+ changed_relocs = TRUE;
+ if (dyn_i->want_gotx)
+ {
+ dyn_i->want_gotx = 0;
+ changed_got |= !dyn_i->want_got;
+ }
}
else
{
-#ifdef USE_BRL
- memcpy (contents + trampoff, oor_brl, size);
- irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
- R_IA64_PCREL60B);
- irel->r_offset = trampoff + 2;
-#else
- memcpy (contents + trampoff, oor_ip, size);
- irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info),
- R_IA64_PCREL64I);
- irel->r_addend -= 16;
- irel->r_offset = trampoff + 2;
-#endif
+ elfNN_ia64_relax_ldxmov (abfd, contents, roff);
+ irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
+ changed_contents = TRUE;
+ changed_relocs = TRUE;
}
-
- /* Record the fixup so we don't do it again this section. */
- f = (struct one_fixup *) bfd_malloc ((bfd_size_type) sizeof (*f));
- f->next = fixups;
- f->tsec = tsec;
- f->toff = toff;
- f->trampoff = trampoff;
- fixups = f;
- }
- else
- {
- /* Nop out the reloc, since we're finalizing things here. */
- irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE);
}
-
- /* Fix up the existing branch to hit the trampoline. Hope like
- hell this doesn't overflow too. */
- if (elfNN_ia64_install_value (abfd, contents + roff,
- f->trampoff - (roff & (bfd_vma) -4),
- R_IA64_PCREL21B) != bfd_reloc_ok)
- goto error_return;
-
- changed_contents = true;
- changed_relocs = true;
}
+ /* ??? If we created fixups, this may push the code segment large
+ enough that the data segment moves, which will change the GP.
+ Reset the GP so that we re-calculate next round. We need to
+ do this at the _beginning_ of the next round; now will not do. */
+
/* Clean up and go home. */
while (fixups)
{
elf_section_data (sec)->relocs = internal_relocs;
}
+ if (changed_got)
+ {
+ struct elfNN_ia64_allocate_data data;
+ data.info = link_info;
+ data.ofs = 0;
+ ia64_info->self_dtpmod_offset = (bfd_vma) -1;
+
+ elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data);
+ elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data);
+ elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data);
+ ia64_info->got_sec->_raw_size = data.ofs;
+ ia64_info->got_sec->_cooked_size = data.ofs;
+
+ /* ??? Resize .rela.got too. */
+ }
+
+ if (link_info->relax_finalizing)
+ sec->need_finalize_relax = 0;
+
*again = changed_contents || changed_relocs;
- return true;
+ return TRUE;
error_return:
if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
if (internal_relocs != NULL
&& elf_section_data (sec)->relocs != internal_relocs)
free (internal_relocs);
- return false;
+ return FALSE;
+}
+
+static void
+elfNN_ia64_relax_ldxmov (abfd, contents, off)
+ bfd *abfd;
+ bfd_byte *contents;
+ bfd_vma off;
+{
+ int shift, r1, r3;
+ bfd_vma dword, insn;
+
+ switch ((int)off & 0x3)
+ {
+ case 0: shift = 5; break;
+ case 1: shift = 14; off += 3; break;
+ case 2: shift = 23; off += 6; break;
+ case 3:
+ abort ();
+ }
+
+ dword = bfd_get_64 (abfd, contents + off);
+ insn = (dword >> shift) & 0x1ffffffffffLL;
+
+ r1 = (insn >> 6) & 127;
+ r3 = (insn >> 20) & 127;
+ if (r1 == r3)
+ insn = 0x8000000; /* nop */
+ else
+ insn = (insn & 0x7f01fff) | 0x10800000000LL; /* (qp) mov r1 = r3 */
+
+ dword &= ~(0x1ffffffffffLL << shift);
+ dword |= (insn << shift);
+ bfd_put_64 (abfd, dword, contents + off);
}
\f
-/* Return true if NAME is an unwind table section name. */
+/* Return TRUE if NAME is an unwind table section name. */
-static inline boolean
+static inline bfd_boolean
is_unwind_section_name (abfd, name)
bfd *abfd;
const char *name;
if (elfNN_ia64_hpux_vec (abfd->xvec)
&& !strcmp (name, ELF_STRING_ia64_unwind_hdr))
- return false;
+ return FALSE;
len1 = sizeof (ELF_STRING_ia64_unwind) - 1;
len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
/* Handle an IA-64 specific section when reading an object file. This
is called when elfcode.h finds a section with an unknown type. */
-static boolean
+static bfd_boolean
elfNN_ia64_section_from_shdr (abfd, hdr, name)
bfd *abfd;
- ElfNN_Internal_Shdr *hdr;
+ Elf_Internal_Shdr *hdr;
const char *name;
{
asection *newsect;
case SHT_IA_64_EXT:
if (strcmp (name, ELF_STRING_ia64_archext) != 0)
- return false;
+ return FALSE;
break;
default:
- return false;
+ return FALSE;
}
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
- return false;
+ return FALSE;
newsect = hdr->bfd_section;
- return true;
+ return TRUE;
}
/* Convert IA-64 specific section flags to bfd internal section flags. */
/* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV
flag. */
-static boolean
+static bfd_boolean
elfNN_ia64_section_flags (flags, hdr)
flagword *flags;
- ElfNN_Internal_Shdr *hdr;
+ Elf_Internal_Shdr *hdr;
{
if (hdr->sh_flags & SHF_IA_64_SHORT)
*flags |= SEC_SMALL_DATA;
- return true;
+ return TRUE;
}
/* Set the correct type for an IA-64 ELF section. We do this by the
section name, which is a hack, but ought to work. */
-static boolean
+static bfd_boolean
elfNN_ia64_fake_sections (abfd, hdr, sec)
bfd *abfd ATTRIBUTE_UNUSED;
- ElfNN_Internal_Shdr *hdr;
+ Elf_Internal_Shdr *hdr;
asection *sec;
{
register const char *name;
else if (strcmp (name, ".HP.opt_annot") == 0)
hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
else if (strcmp (name, ".reloc") == 0)
- /*
- * This is an ugly, but unfortunately necessary hack that is
- * needed when producing EFI binaries on IA-64. It tells
- * elf.c:elf_fake_sections() not to consider ".reloc" as a section
- * containing ELF relocation info. We need this hack in order to
- * be able to generate ELF binaries that can be translated into
- * EFI applications (which are essentially COFF objects). Those
- * files contain a COFF ".reloc" section inside an ELFNN object,
- * which would normally cause BFD to segfault because it would
- * attempt to interpret this section as containing relocation
- * entries for section "oc". With this hack enabled, ".reloc"
- * will be treated as a normal data section, which will avoid the
- * segfault. However, you won't be able to create an ELFNN binary
- * with a section named "oc" that needs relocations, but that's
- * the kind of ugly side-effects you get when detecting section
- * types based on their names... In practice, this limitation is
- * unlikely to bite.
- */
+ /* This is an ugly, but unfortunately necessary hack that is
+ needed when producing EFI binaries on IA-64. It tells
+ elf.c:elf_fake_sections() not to consider ".reloc" as a section
+ containing ELF relocation info. We need this hack in order to
+ be able to generate ELF binaries that can be translated into
+ EFI applications (which are essentially COFF objects). Those
+ files contain a COFF ".reloc" section inside an ELFNN object,
+ which would normally cause BFD to segfault because it would
+ attempt to interpret this section as containing relocation
+ entries for section "oc". With this hack enabled, ".reloc"
+ will be treated as a normal data section, which will avoid the
+ segfault. However, you won't be able to create an ELFNN binary
+ with a section named "oc" that needs relocations, but that's
+ the kind of ugly side-effects you get when detecting section
+ types based on their names... In practice, this limitation is
+ unlikely to bite. */
hdr->sh_type = SHT_PROGBITS;
if (sec->flags & SEC_SMALL_DATA)
hdr->sh_flags |= SHF_IA_64_SHORT;
- return true;
+ return TRUE;
}
/* The final processing done just before writing out an IA-64 ELF
static void
elfNN_ia64_final_write_processing (abfd, linker)
bfd *abfd;
- boolean linker ATTRIBUTE_UNUSED;
+ bfd_boolean linker ATTRIBUTE_UNUSED;
{
Elf_Internal_Shdr *hdr;
const char *sname;
break;
}
}
+
+ if (! elf_flags_init (abfd))
+ {
+ unsigned long flags = 0;
+
+ if (abfd->xvec->byteorder == BFD_ENDIAN_BIG)
+ flags |= EF_IA_64_BE;
+ if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64)
+ flags |= EF_IA_64_ABI64;
+
+ elf_elfheader(abfd)->e_flags = flags;
+ elf_flags_init (abfd) = TRUE;
+ }
}
/* Hook called by the linker routine which adds symbols from an object
file. We use it to put .comm items in .sbss, and not .bss. */
-static boolean
+static bfd_boolean
elfNN_ia64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
|| !bfd_set_section_flags (abfd, scomm, (SEC_ALLOC
| SEC_IS_COMMON
| SEC_LINKER_CREATED)))
- return false;
+ return FALSE;
}
*secp = scomm;
*valp = sym->st_size;
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_aix_vec (const bfd_target *vec)
{
extern const bfd_target bfd_elfNN_ia64_aix_little_vec;
/* Hook called by the linker routine which adds symbols from an object
file. We use it to handle OS-specific symbols. */
-static boolean
+static bfd_boolean
elfNN_ia64_aix_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
struct elf_link_hash_entry *h;
h = elf_link_hash_lookup (elf_hash_table (info), *namep,
- false, false, false);
+ 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, (struct bfd_link_hash_entry **) &h)))
- return false;
+ 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 FALSE;
}
- return true;
+ return TRUE;
}
else if (sym->st_shndx == SHN_LOOS)
{
*valp = sym->st_size;
- return true;
+ return TRUE;
}
else
{
}
}
-boolean
+bfd_boolean
elfNN_ia64_aix_link_add_symbols (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
&& abfd->xvec == info->hash->creator)
{
if (! bfd_elfNN_link_create_dynamic_sections (abfd, info))
- return false;
+ return FALSE;
}
/* Now do the standard call. */
return ret;
}
-static boolean
+static bfd_boolean
elfNN_ia64_modify_segment_map (abfd)
bfd *abfd;
{
m = ((struct elf_segment_map *)
bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
if (m == NULL)
- return false;
+ return FALSE;
m->p_type = PT_IA_64_ARCHEXT;
m->count = 1;
m = ((struct elf_segment_map *)
bfd_zalloc (abfd, (bfd_size_type) sizeof *m));
if (m == NULL)
- return false;
+ return FALSE;
m->p_type = PT_IA_64_UNWIND;
m->count = 1;
found:;
}
- return true;
+ return TRUE;
}
/* According to the Tahoe assembler spec, all labels starting with a
'.' are local. */
-static boolean
+static bfd_boolean
elfNN_ia64_is_local_label_name (abfd, name)
bfd *abfd ATTRIBUTE_UNUSED;
const char *name;
/* Should we do dynamic things to this symbol? */
-static boolean
+static bfd_boolean
elfNN_ia64_dynamic_symbol_p (h, info)
struct elf_link_hash_entry *h;
struct bfd_link_info *info;
{
if (h == NULL)
- return false;
+ 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;
+ return FALSE;
switch (ELF_ST_VISIBILITY (h->other))
{
case STV_INTERNAL:
case STV_HIDDEN:
- return false;
+ return FALSE;
+ default:
+ break;
}
if (h->root.type == bfd_link_hash_undefweak
|| h->root.type == bfd_link_hash_defweak)
- return true;
+ return TRUE;
if ((info->shared && (!info->symbolic || info->allow_shlib_undefined))
|| ((h->elf_link_hash_flags
& (ELF_LINK_HASH_DEF_DYNAMIC | ELF_LINK_HASH_REF_REGULAR))
== (ELF_LINK_HASH_DEF_DYNAMIC | ELF_LINK_HASH_REF_REGULAR)))
- return true;
+ return TRUE;
- return false;
+ return FALSE;
}
\f
-static boolean
+static bfd_boolean
elfNN_ia64_local_hash_table_init (ht, abfd, new)
struct elfNN_ia64_local_hash_table *ht;
bfd *abfd ATTRIBUTE_UNUSED;
}
static void
-elfNN_ia64_hash_copy_indirect (xdir, xind)
+elfNN_ia64_hash_copy_indirect (bed, xdir, xind)
+ struct elf_backend_data *bed ATTRIBUTE_UNUSED;
struct elf_link_hash_entry *xdir, *xind;
{
struct elfNN_ia64_link_hash_entry *dir, *ind;
elfNN_ia64_hash_hide_symbol (info, xh, force_local)
struct bfd_link_info *info;
struct elf_link_hash_entry *xh;
- boolean force_local;
+ bfd_boolean force_local;
{
struct elfNN_ia64_link_hash_entry *h;
struct elfNN_ia64_dyn_sym_info *dyn_i;
{
struct elfNN_ia64_link_hash_table *ret;
- ret = bfd_zalloc (abfd, (bfd_size_type) sizeof (*ret));
+ ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret));
if (!ret)
return 0;
+
if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
elfNN_ia64_new_elf_hash_entry))
{
- bfd_release (abfd, ret);
+ free (ret);
return 0;
}
if (!elfNN_ia64_local_hash_table_init (&ret->loc_hash_table, abfd,
elfNN_ia64_new_loc_hash_entry))
- return 0;
+ {
+ free (ret);
+ return 0;
+ }
+
return &ret->root.root;
}
elfNN_ia64_local_hash_lookup(table, string, create, copy)
struct elfNN_ia64_local_hash_table *table;
const char *string;
- boolean create, copy;
+ bfd_boolean create, copy;
{
return ((struct elfNN_ia64_local_hash_entry *)
bfd_hash_lookup (&table->root, string, create, copy));
struct elfNN_ia64_dyn_sym_traverse_data
{
- boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
+ bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
PTR data;
};
-static boolean
+static bfd_boolean
elfNN_ia64_global_dyn_sym_thunk (xentry, xdata)
struct bfd_hash_entry *xentry;
PTR xdata;
for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
if (! (*data->func) (dyn_i, data->data))
- return false;
- return true;
+ return FALSE;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_local_dyn_sym_thunk (xentry, xdata)
struct bfd_hash_entry *xentry;
PTR xdata;
for (dyn_i = entry->info; dyn_i; dyn_i = dyn_i->next)
if (! (*data->func) (dyn_i, data->data))
- return false;
- return true;
+ return FALSE;
+ return TRUE;
}
static void
elfNN_ia64_dyn_sym_traverse (ia64_info, func, data)
struct elfNN_ia64_link_hash_table *ia64_info;
- boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
+ bfd_boolean (*func) PARAMS ((struct elfNN_ia64_dyn_sym_info *, PTR));
PTR data;
{
struct elfNN_ia64_dyn_sym_traverse_data xdata;
elfNN_ia64_local_dyn_sym_thunk, &xdata);
}
\f
-static boolean
+static bfd_boolean
elfNN_ia64_create_dynamic_sections (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
asection *s;
if (! _bfd_elf_create_dynamic_sections (abfd, info))
- return false;
+ return FALSE;
ia64_info = elfNN_ia64_hash_table (info);
}
if (!get_pltoff (abfd, info, ia64_info))
- return false;
+ return FALSE;
s = bfd_make_section(abfd, ".rela.IA_64.pltoff");
if (s == NULL
| SEC_LINKER_CREATED
| SEC_READONLY))
|| !bfd_set_section_alignment (abfd, s, 3))
- return false;
+ return FALSE;
ia64_info->rel_pltoff_sec = s;
s = bfd_make_section(abfd, ".rela.got");
| SEC_LINKER_CREATED
| SEC_READONLY))
|| !bfd_set_section_alignment (abfd, s, 3))
- return false;
+ return FALSE;
ia64_info->rel_got_sec = s;
- return true;
+ return TRUE;
}
/* Find and/or create a hash entry for local symbol. */
struct elfNN_ia64_link_hash_table *ia64_info;
bfd *abfd;
const Elf_Internal_Rela *rel;
- boolean create;
+ bfd_boolean create;
{
- char *addr_name;
- size_t len;
struct elfNN_ia64_local_hash_entry *ret;
+ asection *sec = abfd->sections;
+ char addr_name [34];
+
+ BFD_ASSERT ((sizeof (sec->id)*2 + 1 + sizeof (unsigned long)*2 + 1) <= 34);
+ BFD_ASSERT (sec);
/* Construct a string for use in the elfNN_ia64_local_hash_table.
name describes what was once anonymous memory. */
- len = sizeof (void*)*2 + 1 + sizeof (bfd_vma)*4 + 1 + 1;
- len += 10; /* %p slop */
-
- addr_name = bfd_malloc (len);
- if (addr_name == NULL)
- return 0;
- sprintf (addr_name, "%p:%lx",
- (void *) abfd, (unsigned long) ELFNN_R_SYM (rel->r_info));
+ sprintf (addr_name, "%x:%lx",
+ sec->id, (unsigned long) ELFNN_R_SYM (rel->r_info));
/* Collect the canonical entry data for this address. */
ret = elfNN_ia64_local_hash_lookup (&ia64_info->loc_hash_table,
addr_name, create, create);
- free (addr_name);
return ret;
}
struct elf_link_hash_entry *h;
bfd *abfd;
const Elf_Internal_Rela *rel;
- boolean create;
+ bfd_boolean create;
{
struct elfNN_ia64_dyn_sym_info **pp;
struct elfNN_ia64_dyn_sym_info *dyn_i;
struct elfNN_ia64_local_hash_entry *loc_h;
loc_h = get_local_sym_hash (ia64_info, abfd, rel, create);
- BFD_ASSERT (loc_h);
+ if (!loc_h)
+ {
+ BFD_ASSERT (!create);
+ return NULL;
+ }
pp = &loc_h->info;
}
bfd *abfd;
struct elfNN_ia64_link_hash_table *ia64_info;
asection *sec;
- boolean create;
+ bfd_boolean create;
{
const char *srel_name;
asection *srel;
return srel;
}
-static boolean
+static bfd_boolean
count_dyn_reloc (abfd, dyn_i, srel, type)
bfd *abfd;
struct elfNN_ia64_dyn_sym_info *dyn_i;
rent = ((struct elfNN_ia64_dyn_reloc_entry *)
bfd_alloc (abfd, (bfd_size_type) sizeof (*rent)));
if (!rent)
- return false;
+ return FALSE;
rent->next = dyn_i->reloc_entries;
rent->srel = srel;
}
rent->count++;
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_check_relocs (abfd, info, sec, relocs)
bfd *abfd;
struct bfd_link_info *info;
asection *got, *fptr, *srel;
if (info->relocateable)
- return true;
+ return TRUE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
ia64_info = elfNN_ia64_hash_table (info);
{
enum {
NEED_GOT = 1,
- NEED_FPTR = 2,
- NEED_PLTOFF = 4,
- NEED_MIN_PLT = 8,
- NEED_FULL_PLT = 16,
- NEED_DYNREL = 32,
- NEED_LTOFF_FPTR = 64,
- NEED_TPREL = 128,
- NEED_DTPMOD = 256,
- NEED_DTPREL = 512
+ 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;
- boolean maybe_dynamic;
+ bfd_boolean maybe_dynamic;
int dynrel_type = R_IA64_NONE;
if (r_symndx >= symtab_hdr->sh_info)
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;
+ maybe_dynamic = FALSE;
if (h && ((info->shared
&& (!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)))
- maybe_dynamic = true;
+ maybe_dynamic = TRUE;
need_entry = 0;
switch (ELFNN_R_TYPE (rel->r_info))
break;
case R_IA64_LTOFF22:
- case R_IA64_LTOFF22X:
case R_IA64_LTOFF64I:
need_entry = NEED_GOT;
break;
+ case R_IA64_LTOFF22X:
+ need_entry = NEED_GOTX;
+ break;
+
case R_IA64_PLTOFF22:
case R_IA64_PLTOFF64I:
case R_IA64_PLTOFF64MSB:
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, TRUE);
/* Record whether or not this is a local symbol. */
dyn_i->h = h;
/* Create what's needed. */
- if (need_entry & (NEED_GOT | NEED_TPREL | NEED_DTPMOD | NEED_DTPREL))
+ if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL
+ | NEED_DTPMOD | NEED_DTPREL))
{
if (!got)
{
got = get_got (abfd, info, ia64_info);
if (!got)
- return false;
+ return FALSE;
}
if (need_entry & NEED_GOT)
dyn_i->want_got = 1;
+ if (need_entry & NEED_GOTX)
+ dyn_i->want_gotx = 1;
if (need_entry & NEED_TPREL)
dyn_i->want_tprel = 1;
if (need_entry & NEED_DTPMOD)
{
fptr = get_fptr (abfd, info, ia64_info);
if (!fptr)
- return false;
+ return FALSE;
}
/* FPTRs for shared libraries are allocated by the dynamic
{
if (! (_bfd_elfNN_link_record_local_dynamic_symbol
(info, abfd, (long) r_symndx)))
- return false;
+ return FALSE;
}
dyn_i->want_fptr = 1;
{
if (!srel)
{
- srel = get_reloc_section (abfd, ia64_info, sec, true);
+ srel = get_reloc_section (abfd, ia64_info, sec, TRUE);
if (!srel)
- return false;
+ return FALSE;
}
if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type))
- return false;
+ return FALSE;
}
}
- return true;
+ return TRUE;
}
-struct elfNN_ia64_allocate_data
-{
- struct bfd_link_info *info;
- bfd_size_type ofs;
-};
-
/* For cleanliness, and potentially faster dynamic loading, allocate
external GOT entries first. */
-static boolean
+static bfd_boolean
allocate_global_data_got (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
- if (dyn_i->want_got
+ 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)
}
if (dyn_i->want_dtpmod)
{
- dyn_i->dtpmod_offset = x->ofs;
- x->ofs += 8;
+ if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info))
+ {
+ dyn_i->dtpmod_offset = x->ofs;
+ x->ofs += 8;
+ }
+ else
+ {
+ struct elfNN_ia64_link_hash_table *ia64_info;
+
+ ia64_info = elfNN_ia64_hash_table (x->info);
+ if (ia64_info->self_dtpmod_offset == (bfd_vma) -1)
+ {
+ ia64_info->self_dtpmod_offset = x->ofs;
+ x->ofs += 8;
+ }
+ dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset;
+ }
}
if (dyn_i->want_dtprel)
{
dyn_i->dtprel_offset = x->ofs;
x->ofs += 8;
}
- return true;
+ return TRUE;
}
/* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */
-static boolean
+static bfd_boolean
allocate_global_fptr_got (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
dyn_i->got_offset = x->ofs;
x->ofs += 8;
}
- return true;
+ return TRUE;
}
/* Lastly, allocate all the GOT entries for local data. */
-static boolean
+static bfd_boolean
allocate_local_got (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
{
struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data;
- if (dyn_i->want_got
+ 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)))
{
dyn_i->got_offset = x->ofs;
x->ofs += 8;
}
- return true;
+ return TRUE;
}
/* Search for the index of a global symbol in it's defining object file. */
/* Allocate function descriptors. We can do these for every function
in a main executable that is not exported. */
-static boolean
+static bfd_boolean
allocate_fptr (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
- if (x->info->shared
+ if ((x->info->shared
+ && (!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
if (!_bfd_elfNN_link_record_local_dynamic_symbol
(x->info, h->root.u.def.section->owner,
global_sym_index (h)))
- return false;
+ return FALSE;
}
dyn_i->want_fptr = 0;
else
dyn_i->want_fptr = 0;
}
- return true;
+ return TRUE;
}
/* Allocate all the minimal PLT entries. */
-static boolean
+static bfd_boolean
allocate_plt_entries (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
dyn_i->want_plt2 = 0;
}
}
- return true;
+ return TRUE;
}
/* Allocate all the full PLT entries. */
-static boolean
+static bfd_boolean
allocate_plt2_entries (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
h = (struct elf_link_hash_entry *) h->root.u.i.link;
dyn_i->h->plt.offset = ofs;
}
- return true;
+ return TRUE;
}
/* Allocate all the PLTOFF entries requested by relocations and
because the latter are not necessarily addressable by the GP.
??? Relaxation might be able to determine that they are. */
-static boolean
+static bfd_boolean
allocate_pltoff_entries (dyn_i, data)
struct elfNN_ia64_dyn_sym_info *dyn_i;
PTR data;
dyn_i->pltoff_offset = x->ofs;
x->ofs += 16;
}
- return true;
+ return TRUE;
}
/* Allocate dynamic relocations for those symbols that turned out
to be dynamic. */
-static boolean
+static bfd_boolean
allocate_dynrel_entries (dyn_i, data)
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;
struct elfNN_ia64_dyn_reloc_entry *rent;
- boolean dynamic_symbol, shared;
+ 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));
+ "__GLOB_DATA_PTR") != 0));
shared = x->info->shared;
+ resolved_zero = (dyn_i->h
+ && ELF_ST_VISIBILITY (dyn_i->h->other)
+ && dyn_i->h->root.type == bfd_link_hash_undefweak);
/* Take care of the normal data relocations. */
/* Take care of the GOT and PLT relocations. */
- if (((dynamic_symbol || shared) && dyn_i->want_got)
- || (dyn_i->want_ltoff_fptr && dyn_i->h && dyn_i->h->dynindx != -1))
+ 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))
ia64_info->rel_got_sec->_raw_size += sizeof (ElfNN_External_Rela);
if ((dynamic_symbol || shared) && dyn_i->want_tprel)
ia64_info->rel_got_sec->_raw_size += sizeof (ElfNN_External_Rela);
- if ((dynamic_symbol || shared) && dyn_i->want_dtpmod)
+ if (dynamic_symbol && dyn_i->want_dtpmod)
ia64_info->rel_got_sec->_raw_size += sizeof (ElfNN_External_Rela);
if (dynamic_symbol && dyn_i->want_dtprel)
ia64_info->rel_got_sec->_raw_size += sizeof (ElfNN_External_Rela);
- if (dyn_i->want_pltoff)
+ if (!resolved_zero && dyn_i->want_pltoff)
{
bfd_size_type t = 0;
ia64_info->rel_pltoff_sec->_raw_size += t;
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_adjust_dynamic_symbol (info, h)
struct bfd_link_info *info ATTRIBUTE_UNUSED;
struct elf_link_hash_entry *h;
|| h->weakdef->root.type == bfd_link_hash_defweak);
h->root.u.def.section = h->weakdef->root.u.def.section;
h->root.u.def.value = h->weakdef->root.u.def.value;
- return true;
+ return TRUE;
}
/* If this is a reference to a symbol defined by a dynamic object which
But IA-64 code is canonically PIC, so as a rule we can avoid this sort
of hackery. */
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
struct bfd_link_info *info;
struct elfNN_ia64_link_hash_table *ia64_info;
asection *sec;
bfd *dynobj;
- boolean relplt = false;
+ bfd_boolean relplt = FALSE;
dynobj = elf_hash_table(info)->dynobj;
ia64_info = elfNN_ia64_hash_table (info);
+ ia64_info->self_dtpmod_offset = (bfd_vma) -1;
BFD_ASSERT(dynobj != NULL);
data.info = info;
/* Now that we've seen all of the input files, we can decide which
symbols need plt entries. Allocate the minimal PLT entries first.
- We do this even though dynamic_sections_created may be false, because
+ We do this even though dynamic_sections_created may be FALSE, because
this has the side-effect of clearing want_plt and want_plt2. */
data.ofs = 0;
/* Allocate space for the dynamic relocations that turned out to be
required. */
+ if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1)
+ ia64_info->rel_got_sec->_raw_size += sizeof (ElfNN_External_Rela);
elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data);
}
Allocate memory for them. */
for (sec = dynobj->sections; sec != NULL; sec = sec->next)
{
- boolean strip;
+ bfd_boolean strip;
if (!(sec->flags & SEC_LINKER_CREATED))
continue;
strip = (sec->_raw_size == 0);
if (sec == ia64_info->got_sec)
- strip = false;
+ strip = FALSE;
else if (sec == ia64_info->rel_got_sec)
{
if (strip)
ia64_info->rel_pltoff_sec = NULL;
else
{
- relplt = true;
+ relplt = TRUE;
/* We use the reloc_count field as a counter if we need to
copy relocs into the output file. */
sec->reloc_count = 0;
name = bfd_get_section_name (dynobj, sec);
if (strcmp (name, ".got.plt") == 0)
- strip = false;
+ strip = FALSE;
else if (strncmp (name, ".rel", 4) == 0)
{
if (!strip)
/* Allocate memory for the section contents. */
sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->_raw_size);
if (sec->contents == NULL && sec->_raw_size != 0)
- return false;
+ return FALSE;
}
}
bfd_elfNN_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
if (!add_dynamic_entry (DT_DEBUG, 0))
- return false;
+ return FALSE;
}
if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0))
- return false;
+ return FALSE;
if (!add_dynamic_entry (DT_PLTGOT, 0))
- return false;
+ return FALSE;
if (relplt)
{
if (!add_dynamic_entry (DT_PLTRELSZ, 0)
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|| !add_dynamic_entry (DT_JMPREL, 0))
- return false;
+ return FALSE;
}
if (!add_dynamic_entry (DT_RELA, 0)
|| !add_dynamic_entry (DT_RELASZ, 0)
|| !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela)))
- return false;
+ return FALSE;
if (ia64_info->reltext)
{
if (!add_dynamic_entry (DT_TEXTREL, 0))
- return false;
+ return FALSE;
info->flags |= DF_TEXTREL;
}
}
/* ??? Perhaps force __gp local. */
- return true;
+ return TRUE;
}
static bfd_reloc_status_type
bfd_vma addend;
{
Elf_Internal_Rela outrel;
-
- offset += sec->output_section->vma + sec->output_offset;
+ bfd_byte *loc;
BFD_ASSERT (dynindx != -1);
outrel.r_info = ELFNN_R_INFO (dynindx, type);
outrel.r_addend = addend;
outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset);
- if ((outrel.r_offset | 1) == (bfd_vma) -1)
+ if (outrel.r_offset >= (bfd_vma) -2)
{
/* Run for the hills. We shouldn't be outputting a relocation
for this. So do what everyone else does and output a no-op. */
outrel.r_addend = 0;
outrel.r_offset = 0;
}
+ else
+ outrel.r_offset += sec->output_section->vma + sec->output_offset;
- bfd_elfNN_swap_reloca_out (abfd, &outrel,
- ((ElfNN_External_Rela *) srel->contents
- + srel->reloc_count++));
+ loc = srel->contents;
+ loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela);
+ bfd_elfNN_swap_reloca_out (abfd, &outrel, loc);
BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count
<= srel->_cooked_size);
}
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *got_sec;
- boolean done;
+ bfd_boolean done;
bfd_vma got_offset;
ia64_info = elfNN_ia64_hash_table (info);
{
case R_IA64_TPREL64LSB:
done = dyn_i->tprel_done;
- dyn_i->tprel_done = true;
+ dyn_i->tprel_done = TRUE;
got_offset = dyn_i->tprel_offset;
break;
case R_IA64_DTPMOD64LSB:
- done = dyn_i->dtpmod_done;
- dyn_i->dtpmod_done = true;
+ if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset)
+ {
+ done = dyn_i->dtpmod_done;
+ dyn_i->dtpmod_done = TRUE;
+ }
+ else
+ {
+ done = ia64_info->self_dtpmod_done;
+ ia64_info->self_dtpmod_done = TRUE;
+ dynindx = 0;
+ }
got_offset = dyn_i->dtpmod_offset;
break;
case R_IA64_DTPREL64LSB:
done = dyn_i->dtprel_done;
- dyn_i->dtprel_done = true;
+ dyn_i->dtprel_done = TRUE;
got_offset = dyn_i->dtprel_offset;
break;
default:
done = dyn_i->got_done;
- dyn_i->got_done = true;
+ dyn_i->got_done = TRUE;
got_offset = dyn_i->got_offset;
break;
}
bfd_put_64 (abfd, value, got_sec->contents + got_offset);
/* Install a dynamic relocation if needed. */
- if ((info->shared && dyn_r_type != R_IA64_DTPREL64LSB)
+ if ((info->shared
+ && (!dyn_i->h
+ || 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)
|| (dynindx != -1 && dyn_r_type == R_IA64_FPTR64LSB))
dyn_r_type = R_IA64_DTPREL64MSB;
break;
default:
- BFD_ASSERT (false);
+ BFD_ASSERT (FALSE);
break;
}
}
struct bfd_link_info *info;
struct elfNN_ia64_dyn_sym_info *dyn_i;
bfd_vma value;
- boolean is_plt;
+ bfd_boolean is_plt;
{
struct elfNN_ia64_link_hash_table *ia64_info;
asection *pltoff_sec;
bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8);
/* Install dynamic relocations if needed. */
- if (!is_plt && info->shared)
+ if (!is_plt
+ && info->shared
+ && (!dyn_i->h
+ || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT
+ || dyn_i->h->root.type != bfd_link_hash_undefweak))
{
unsigned int dyn_r_type;
return (av < bv ? -1 : av > bv ? 1 : 0);
}
-static boolean
-elfNN_ia64_final_link (abfd, info)
+/* 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;
{
+ bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
+ bfd_vma min_short_vma = min_vma, max_short_vma = 0;
+ struct elf_link_hash_entry *gp;
+ bfd_vma gp_val;
+ asection *os;
struct elfNN_ia64_link_hash_table *ia64_info;
- asection *unwind_output_sec;
ia64_info = elfNN_ia64_hash_table (info);
- /* Make sure we've got ourselves a nice fat __gp value. */
- if (!info->relocateable)
+ /* 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. */
+ for (os = abfd->sections; os ; os = os->next)
{
- bfd_vma min_vma = (bfd_vma) -1, max_vma = 0;
- bfd_vma min_short_vma = min_vma, max_short_vma = 0;
- struct elf_link_hash_entry *gp;
- bfd_vma gp_val;
- asection *os;
+ bfd_vma lo, hi;
+
+ if ((os->flags & SEC_ALLOC) == 0)
+ continue;
+
+ lo = os->vma;
+ hi = os->vma + os->_raw_size;
+ if (hi < lo)
+ hi = (bfd_vma) -1;
- /* 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. */
- for (os = abfd->sections; os ; os = os->next)
+ if (min_vma > lo)
+ min_vma = lo;
+ if (max_vma < hi)
+ max_vma = hi;
+ if (os->flags & SEC_SMALL_DATA)
{
- bfd_vma lo, hi;
+ if (min_short_vma > lo)
+ min_short_vma = lo;
+ if (max_short_vma < hi)
+ max_short_vma = hi;
+ }
+ }
- if ((os->flags & SEC_ALLOC) == 0)
- continue;
+ /* See if the user wants to force a value. */
+ gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
+ FALSE, FALSE);
- lo = os->vma;
- hi = os->vma + os->_raw_size;
- if (hi < lo)
- hi = (bfd_vma) -1;
+ if (gp
+ && (gp->root.type == bfd_link_hash_defined
+ || gp->root.type == bfd_link_hash_defweak))
+ {
+ asection *gp_sec = gp->root.u.def.section;
+ gp_val = (gp->root.u.def.value
+ + gp_sec->output_section->vma
+ + gp_sec->output_offset);
+ }
+ else
+ {
+ /* Pick a sensible value. */
- if (min_vma > lo)
- min_vma = lo;
- if (max_vma < hi)
- max_vma = hi;
- if (os->flags & SEC_SMALL_DATA)
- {
- if (min_short_vma > lo)
- min_short_vma = lo;
- if (max_short_vma < hi)
- max_short_vma = hi;
- }
+ asection *got_sec = ia64_info->got_sec;
+
+ /* Start with just the address of the .got. */
+ if (got_sec)
+ gp_val = got_sec->output_section->vma;
+ else if (max_short_vma != 0)
+ gp_val = min_short_vma;
+ else
+ gp_val = min_vma;
+
+ /* 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)
+ gp_val = min_vma + 0x200000;
+ else if (max_short_vma != 0)
+ {
+ /* If we don't cover all the short data, adjust. */
+ if (max_short_vma - gp_val >= 0x200000)
+ gp_val = min_short_vma + 0x200000;
+
+ /* If we're addressing stuff past the end, adjust back. */
+ if (gp_val > max_vma)
+ gp_val = max_vma - 0x200000 + 8;
}
+ }
- /* See if the user wants to force a value. */
- gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", false,
- false, false);
+ /* Validate whether all SHF_IA_64_SHORT sections are within
+ range of the chosen GP. */
- if (gp
- && (gp->root.type == bfd_link_hash_defined
- || gp->root.type == bfd_link_hash_defweak))
+ if (max_short_vma != 0)
+ {
+ if (max_short_vma - min_short_vma >= 0x400000)
{
- asection *gp_sec = gp->root.u.def.section;
- gp_val = (gp->root.u.def.value
- + gp_sec->output_section->vma
- + gp_sec->output_offset);
+ (*_bfd_error_handler)
+ (_("%s: short data segment overflowed (0x%lx >= 0x400000)"),
+ bfd_get_filename (abfd),
+ (unsigned long) (max_short_vma - min_short_vma));
+ return FALSE;
}
- else
+ else if ((gp_val > min_short_vma
+ && gp_val - min_short_vma > 0x200000)
+ || (gp_val < max_short_vma
+ && max_short_vma - gp_val >= 0x200000))
{
- /* Pick a sensible value. */
+ (*_bfd_error_handler)
+ (_("%s: __gp does not cover short data segment"),
+ bfd_get_filename (abfd));
+ return FALSE;
+ }
+ }
- asection *got_sec = ia64_info->got_sec;
+ _bfd_set_gp_value (abfd, gp_val);
- /* Start with just the address of the .got. */
- if (got_sec)
- gp_val = got_sec->output_section->vma;
- else if (max_short_vma != 0)
- gp_val = min_short_vma;
- else
- gp_val = min_vma;
-
- /* 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)
- gp_val = min_vma + 0x200000;
- else if (max_short_vma != 0)
- {
- /* If we don't cover all the short data, adjust. */
- if (max_short_vma - gp_val >= 0x200000)
- gp_val = min_short_vma + 0x200000;
+ return TRUE;
+}
- /* If we're addressing stuff past the end, adjust back. */
- if (gp_val > max_vma)
- gp_val = max_vma - 0x200000 + 8;
- }
- }
+static bfd_boolean
+elfNN_ia64_final_link (abfd, info)
+ bfd *abfd;
+ struct bfd_link_info *info;
+{
+ struct elfNN_ia64_link_hash_table *ia64_info;
+ asection *unwind_output_sec;
+
+ ia64_info = elfNN_ia64_hash_table (info);
- /* Validate whether all SHF_IA_64_SHORT sections are within
- range of the chosen GP. */
+ /* Make sure we've got ourselves a nice fat __gp value. */
+ if (!info->relocateable)
+ {
+ bfd_vma gp_val = _bfd_get_gp_value (abfd);
+ struct elf_link_hash_entry *gp;
- if (max_short_vma != 0)
+ if (gp_val == 0)
{
- if (max_short_vma - min_short_vma >= 0x400000)
- {
- (*_bfd_error_handler)
- (_("%s: short data segment overflowed (0x%lx >= 0x400000)"),
- bfd_get_filename (abfd),
- (unsigned long) (max_short_vma - min_short_vma));
- return false;
- }
- else if ((gp_val > min_short_vma
- && gp_val - min_short_vma > 0x200000)
- || (gp_val < max_short_vma
- && max_short_vma - gp_val >= 0x200000))
- {
- (*_bfd_error_handler)
- (_("%s: __gp does not cover short data segment"),
- bfd_get_filename (abfd));
- return false;
- }
+ if (! elfNN_ia64_choose_gp (abfd, info))
+ return FALSE;
+ gp_val = _bfd_get_gp_value (abfd);
}
- _bfd_set_gp_value (abfd, gp_val);
-
+ gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE,
+ FALSE, FALSE);
if (gp)
{
gp->root.type = bfd_link_hash_defined;
unwind_output_sec->contents
= bfd_malloc (unwind_output_sec->_raw_size);
if (unwind_output_sec->contents == NULL)
- return false;
+ return FALSE;
}
}
/* Invoke the regular ELF backend linker to do all the work. */
if (!bfd_elfNN_bfd_final_link (abfd, info))
- return false;
+ return FALSE;
if (unwind_output_sec)
{
if (! bfd_set_section_contents (abfd, unwind_output_sec,
unwind_output_sec->contents, (bfd_vma) 0,
unwind_output_sec->_raw_size))
- return false;
+ return FALSE;
}
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section,
contents, relocs, local_syms, local_sections)
bfd *output_bfd;
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
asection *srel;
- boolean ret_val = true; /* for non-fatal errors */
+ bfd_boolean ret_val = TRUE; /* for non-fatal errors */
bfd_vma gp_val;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
elf_section_data(input_section->output_section)
->this_hdr.sh_flags |= flags;
- return true;
+ return TRUE;
}
gp_val = _bfd_get_gp_value (output_bfd);
- srel = get_reloc_section (input_bfd, ia64_info, input_section, false);
+ srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE);
rel = relocs;
relend = relocs + input_section->reloc_count;
bfd_vma value;
asection *sym_sec;
bfd_byte *hit_addr;
- boolean dynamic_symbol_p;
- boolean undef_weak_ref;
+ bfd_boolean dynamic_symbol_p;
+ bfd_boolean undef_weak_ref;
r_type = ELFNN_R_TYPE (rel->r_info);
if (r_type > R_IA64_MAX_RELOC_CODE)
(_("%s: unknown relocation type %d"),
bfd_archive_filename (input_bfd), (int)r_type);
bfd_set_error (bfd_error_bad_value);
- ret_val = false;
+ ret_val = FALSE;
continue;
}
h = NULL;
sym = NULL;
sym_sec = NULL;
- undef_weak_ref = false;
+ undef_weak_ref = FALSE;
if (r_symndx < symtab_hdr->sh_info)
{
value = _bfd_elf_rela_local_sym (output_bfd, sym, sym_sec, rel);
if ((sym_sec->flags & SEC_MERGE)
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION
- && (elf_section_data (sym_sec)->sec_info_type
- == ELF_INFO_TYPE_MERGE))
+ && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE)
{
struct elfNN_ia64_local_hash_entry *loc_h;
-
- loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, false);
+
+ loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE);
if (loc_h && ! loc_h->sec_merge_done)
{
struct elfNN_ia64_dyn_sym_info *dynent;
}
}
else if (h->root.type == bfd_link_hash_undefweak)
- undef_weak_ref = true;
+ undef_weak_ref = TRUE;
else if (info->shared
- && (!info->symbolic || info->allow_shlib_undefined)
&& !info->no_undefined
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
;
input_section, rel->r_offset,
(!info->shared || info->no_undefined
|| ELF_ST_VISIBILITY (h->other)))))
- return false;
- ret_val = false;
+ return FALSE;
continue;
}
}
(*_bfd_error_handler)
(_("%s: linking non-pic code in a shared library"),
bfd_archive_filename (input_bfd));
- ret_val = false;
+ ret_val = FALSE;
continue;
}
dynindx = 0;
srel, rel->r_offset, dyn_r_type,
dynindx, addend);
}
- /* FALLTHRU */
+ /* Fall through. */
case R_IA64_LTV32MSB:
case R_IA64_LTV32LSB:
(*_bfd_error_handler)
(_("%s: @gprel relocation against dynamic symbol %s"),
bfd_archive_filename (input_bfd), h->root.root.string);
- ret_val = false;
+ ret_val = FALSE;
continue;
}
value -= gp_val;
case R_IA64_LTOFF22:
case R_IA64_LTOFF22X:
case R_IA64_LTOFF64I:
- dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1),
rel->r_addend, value, R_IA64_DIR64LSB);
value -= gp_val;
case R_IA64_PLTOFF64I:
case R_IA64_PLTOFF64MSB:
case R_IA64_PLTOFF64LSB:
- dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
- value = set_pltoff_entry (output_bfd, info, dyn_i, value, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
+ value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE);
value -= gp_val;
r = elfNN_ia64_install_value (output_bfd, hit_addr, value, r_type);
break;
case R_IA64_FPTR32LSB:
case R_IA64_FPTR64MSB:
case R_IA64_FPTR64LSB:
- dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
if (dyn_i->want_fptr)
{
if (!undef_weak_ref)
{
long dynindx;
- dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
if (dyn_i->want_fptr)
{
BFD_ASSERT (h == NULL || h->dynindx == -1)
}
goto finish_pcrel;
- case R_IA64_PCREL21BI:
- case R_IA64_PCREL21F:
- case R_IA64_PCREL21M:
- /* ??? These two are only used for speculation fixup code.
- They should never be dynamic. */
- if (dynamic_symbol_p)
- {
- (*_bfd_error_handler)
- (_("%s: dynamic relocation against speculation fixup"),
- bfd_archive_filename (input_bfd));
- ret_val = false;
- continue;
- }
- if (undef_weak_ref)
- {
- (*_bfd_error_handler)
- (_("%s: speculation fixup against undefined weak symbol"),
- bfd_archive_filename (input_bfd));
- ret_val = false;
- continue;
- }
- goto finish_pcrel;
-
case R_IA64_PCREL21B:
case R_IA64_PCREL60B:
/* We should have created a PLT entry for any dynamic symbol. */
dyn_i = NULL;
if (h)
- dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
if (dyn_i && dyn_i->want_plt2)
{
}
goto finish_pcrel;
+ case R_IA64_PCREL21BI:
+ case R_IA64_PCREL21F:
+ case R_IA64_PCREL21M:
case R_IA64_PCREL22:
case R_IA64_PCREL64I:
+ /* The PCREL21BI reloc is specifically not intended for use with
+ dynamic relocs. PCREL21F and PCREL21M are used for speculation
+ fixup code, and thus probably ought not be dynamic. The
+ PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */
+ if (dynamic_symbol_p)
+ {
+ const char *msg;
+
+ if (r_type == R_IA64_PCREL21BI)
+ msg = _("%s: @internal branch to dynamic symbol %s");
+ else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M)
+ msg = _("%s: speculation fixup to dynamic symbol %s");
+ else
+ msg = _("%s: @pcrel relocation against dynamic symbol %s");
+ (*_bfd_error_handler) (msg, bfd_archive_filename (input_bfd),
+ h->root.root.string);
+ ret_val = FALSE;
+ continue;
+ }
+ goto finish_pcrel;
+
finish_pcrel:
/* Make pc-relative. */
value -= (input_section->output_section->vma
case R_IA64_DTPREL14:
case R_IA64_DTPREL22:
case R_IA64_DTPREL64I:
+ case R_IA64_DTPREL64LSB:
+ case R_IA64_DTPREL64MSB:
value -= elfNN_ia64_dtprel_base (info);
r = elfNN_ia64_install_value (output_bfd, hit_addr, value, r_type);
break;
case R_IA64_LTOFF_DTPREL22:
{
int got_r_type;
+ long dynindx = h ? h->dynindx : -1;
+ bfd_vma r_addend = rel->r_addend;
switch (r_type)
{
default:
case R_IA64_LTOFF_TPREL22:
- if (!dynamic_symbol_p && !info->shared)
- value -= elfNN_ia64_tprel_base (info);
+ if (!dynamic_symbol_p)
+ {
+ if (!info->shared)
+ value -= elfNN_ia64_tprel_base (info);
+ else
+ {
+ r_addend += value - elfNN_ia64_dtprel_base (info);
+ dynindx = 0;
+ }
+ }
got_r_type = R_IA64_TPREL64LSB;
break;
case R_IA64_LTOFF_DTPMOD22:
got_r_type = R_IA64_DTPREL64LSB;
break;
}
- dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, false);
- value = set_got_entry (input_bfd, info, dyn_i,
- (h ? h->dynindx : -1), rel->r_addend,
+ dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE);
+ value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend,
value, got_r_type);
value -= gp_val;
r = elfNN_ia64_install_value (output_bfd, hit_addr, value,
don't try to continue. */
(*info->callbacks->undefined_symbol)
(info, "__gp", input_bfd, input_section, rel->r_offset, 1);
- return false;
+ return FALSE;
case bfd_reloc_notsupported:
{
symtab_hdr->sh_link,
sym->st_name);
if (name == NULL)
- return false;
+ return FALSE;
if (*name == '\0')
name = bfd_section_name (input_bfd, input_section);
}
if (!(*info->callbacks->warning) (info, _("unsupported reloc"),
name, input_bfd,
input_section, rel->r_offset))
- return false;
- ret_val = false;
+ return FALSE;
+ ret_val = FALSE;
}
break;
symtab_hdr->sh_link,
sym->st_name);
if (name == NULL)
- return false;
+ return FALSE;
if (*name == '\0')
name = bfd_section_name (input_bfd, input_section);
}
input_bfd,
input_section,
rel->r_offset))
- return false;
- ret_val = false;
+ return FALSE;
+ ret_val = FALSE;
}
break;
}
return ret_val;
}
-static boolean
+static bfd_boolean
elfNN_ia64_finish_dynamic_symbol (output_bfd, info, h, sym)
bfd *output_bfd;
struct bfd_link_info *info;
struct elfNN_ia64_dyn_sym_info *dyn_i;
ia64_info = elfNN_ia64_hash_table (info);
- dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, false);
+ dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE);
/* Fill in the PLT data, if required. */
if (dyn_i && dyn_i->want_plt)
bfd_byte *loc;
asection *plt_sec;
bfd_vma plt_addr, pltoff_addr, gp_val, index;
- ElfNN_External_Rela *rel;
gp_val = _bfd_get_gp_value (output_bfd);
plt_addr = (plt_sec->output_section->vma
+ plt_sec->output_offset
+ dyn_i->plt_offset);
- pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, true);
+ pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE);
/* Initialize the FULL PLT entry, if needed. */
if (dyn_i->want_plt2)
existing sec->reloc_count to be the base of the array of
PLT relocations. */
- rel = (ElfNN_External_Rela *)ia64_info->rel_pltoff_sec->contents;
- rel += ia64_info->rel_pltoff_sec->reloc_count;
-
- bfd_elfNN_swap_reloca_out (output_bfd, &outrel, rel + index);
+ loc = ia64_info->rel_pltoff_sec->contents;
+ loc += ((ia64_info->rel_pltoff_sec->reloc_count + index)
+ * sizeof (Elf64_External_Rela));
+ bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc);
}
/* Mark some specially defined symbols as absolute. */
|| strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
sym->st_shndx = SHN_ABS;
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
elfNN_ia64_finish_dynamic_sections (abfd, info)
bfd *abfd;
struct bfd_link_info *info;
bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon);
}
- /* Initialize the PLT0 entry */
+ /* Initialize the PLT0 entry. */
if (ia64_info->plt_sec)
{
bfd_byte *loc = ia64_info->plt_sec->contents;
}
}
- return true;
+ return TRUE;
}
\f
-/* ELF file flag handling: */
+/* ELF file flag handling: */
/* Function to keep IA-64 specific file flags. */
-static boolean
+static bfd_boolean
elfNN_ia64_set_private_flags (abfd, flags)
bfd *abfd;
flagword flags;
|| elf_elfheader (abfd)->e_flags == flags);
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = true;
- return true;
+ elf_flags_init (abfd) = TRUE;
+ return TRUE;
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static boolean
+static bfd_boolean
elfNN_ia64_merge_private_bfd_data (ibfd, obfd)
bfd *ibfd, *obfd;
{
flagword out_flags;
flagword in_flags;
- boolean ok = true;
+ bfd_boolean ok = TRUE;
/* Don't even pretend to support mixed-format linking. */
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return false;
+ return FALSE;
in_flags = elf_elfheader (ibfd)->e_flags;
out_flags = elf_elfheader (obfd)->e_flags;
if (! elf_flags_init (obfd))
{
- elf_flags_init (obfd) = true;
+ elf_flags_init (obfd) = TRUE;
elf_elfheader (obfd)->e_flags = in_flags;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
bfd_get_mach (ibfd));
}
- return true;
+ return TRUE;
}
/* Check flag compatibility. */
if (in_flags == out_flags)
- return true;
+ return TRUE;
/* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */
if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- ok = false;
+ ok = FALSE;
}
if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE))
{
bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- ok = false;
+ ok = FALSE;
}
if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64))
{
bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- ok = false;
+ ok = FALSE;
}
if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
{
bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- ok = false;
+ ok = FALSE;
}
if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
!= (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
bfd_archive_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- ok = false;
+ ok = FALSE;
}
return ok;
}
-static boolean
+static bfd_boolean
elfNN_ia64_print_private_bfd_data (abfd, ptr)
bfd *abfd;
PTR ptr;
(flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
_bfd_elf_print_private_bfd_data (abfd, ptr);
- return true;
+ return TRUE;
}
static enum elf_reloc_type_class
}
}
-static boolean
+static bfd_boolean
elfNN_ia64_hpux_vec (const bfd_target *vec)
{
extern const bfd_target bfd_elfNN_ia64_hpux_big_vec;
i_ehdrp->e_ident[EI_ABIVERSION] = 1;
}
-boolean
+bfd_boolean
elfNN_hpux_backend_section_from_bfd_section (abfd, sec, retval)
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
if (bfd_is_com_section (sec))
{
*retval = SHN_IA_64_ANSI_COMMON;
- return true;
+ return TRUE;
}
- return false;
+ return FALSE;
}
\f
#define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec
#undef elf_backend_section_from_bfd_section
#define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
+#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 */
#define elfNN_bed elfNN_ia64_hpux_bed
#include "elfNN-target.h"
+
+#undef elf_backend_want_p_paddr_set_to_zero
projects / deliverable / binutils-gdb.git / blobdiff