217 lines
7.1 KiB
C
217 lines
7.1 KiB
C
/* SPARC-specific support for 32-bit ELF
|
|
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
|
|
2003, 2004, 2005 Free Software Foundation, Inc.
|
|
|
|
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 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "bfdlink.h"
|
|
#include "libbfd.h"
|
|
#include "elf-bfd.h"
|
|
#include "elf/sparc.h"
|
|
#include "opcode/sparc.h"
|
|
#include "elfxx-sparc.h"
|
|
|
|
/* Support for core dump NOTE sections. */
|
|
|
|
static bfd_boolean
|
|
elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
|
{
|
|
switch (note->descsz)
|
|
{
|
|
default:
|
|
return FALSE;
|
|
|
|
case 260: /* Solaris prpsinfo_t. */
|
|
elf_tdata (abfd)->core_program
|
|
= _bfd_elfcore_strndup (abfd, note->descdata + 84, 16);
|
|
elf_tdata (abfd)->core_command
|
|
= _bfd_elfcore_strndup (abfd, note->descdata + 100, 80);
|
|
break;
|
|
|
|
case 336: /* Solaris psinfo_t. */
|
|
elf_tdata (abfd)->core_program
|
|
= _bfd_elfcore_strndup (abfd, note->descdata + 88, 16);
|
|
elf_tdata (abfd)->core_command
|
|
= _bfd_elfcore_strndup (abfd, note->descdata + 104, 80);
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Functions for dealing with the e_flags field.
|
|
|
|
We don't define set_private_flags or copy_private_bfd_data because
|
|
the only currently defined values are based on the bfd mach number,
|
|
so we use the latter instead and defer setting e_flags until the
|
|
file is written out. */
|
|
|
|
/* Merge backend specific data from an object file to the output
|
|
object file when linking. */
|
|
|
|
static bfd_boolean
|
|
elf32_sparc_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
|
{
|
|
bfd_boolean error;
|
|
unsigned long ibfd_mach;
|
|
/* FIXME: This should not be static. */
|
|
static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
|
|
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
|
return TRUE;
|
|
|
|
error = FALSE;
|
|
|
|
ibfd_mach = bfd_get_mach (ibfd);
|
|
if (bfd_mach_sparc_64bit_p (ibfd_mach))
|
|
{
|
|
error = TRUE;
|
|
(*_bfd_error_handler)
|
|
(_("%B: compiled for a 64 bit system and target is 32 bit"), ibfd);
|
|
}
|
|
else if ((ibfd->flags & DYNAMIC) == 0)
|
|
{
|
|
if (bfd_get_mach (obfd) < ibfd_mach)
|
|
bfd_set_arch_mach (obfd, bfd_arch_sparc, ibfd_mach);
|
|
}
|
|
|
|
if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
|
|
!= previous_ibfd_e_flags)
|
|
&& previous_ibfd_e_flags != (unsigned long) -1)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: linking little endian files with big endian files"), ibfd);
|
|
error = TRUE;
|
|
}
|
|
previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
|
|
|
|
if (error)
|
|
{
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* The final processing done just before writing out the object file.
|
|
We need to set the e_machine field appropriately. */
|
|
|
|
static void
|
|
elf32_sparc_final_write_processing (bfd *abfd,
|
|
bfd_boolean linker ATTRIBUTE_UNUSED)
|
|
{
|
|
switch (bfd_get_mach (abfd))
|
|
{
|
|
case bfd_mach_sparc :
|
|
case bfd_mach_sparc_sparclet :
|
|
case bfd_mach_sparc_sparclite :
|
|
break; /* nothing to do */
|
|
case bfd_mach_sparc_v8plus :
|
|
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
|
|
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
|
|
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
|
|
break;
|
|
case bfd_mach_sparc_v8plusa :
|
|
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
|
|
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
|
|
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
|
|
break;
|
|
case bfd_mach_sparc_v8plusb :
|
|
elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
|
|
elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
|
|
elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
|
|
| EF_SPARC_SUN_US3;
|
|
break;
|
|
case bfd_mach_sparc_sparclite_le :
|
|
elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
|
|
break;
|
|
default :
|
|
abort ();
|
|
break;
|
|
}
|
|
}
|
|
|
|
static enum elf_reloc_type_class
|
|
elf32_sparc_reloc_type_class (const Elf_Internal_Rela *rela)
|
|
{
|
|
switch ((int) ELF32_R_TYPE (rela->r_info))
|
|
{
|
|
case R_SPARC_RELATIVE:
|
|
return reloc_class_relative;
|
|
case R_SPARC_JMP_SLOT:
|
|
return reloc_class_plt;
|
|
case R_SPARC_COPY:
|
|
return reloc_class_copy;
|
|
default:
|
|
return reloc_class_normal;
|
|
}
|
|
}
|
|
|
|
#define TARGET_BIG_SYM bfd_elf32_sparc_vec
|
|
#define TARGET_BIG_NAME "elf32-sparc"
|
|
#define ELF_ARCH bfd_arch_sparc
|
|
#define ELF_MACHINE_CODE EM_SPARC
|
|
#define ELF_MACHINE_ALT1 EM_SPARC32PLUS
|
|
#define ELF_MAXPAGESIZE 0x10000
|
|
|
|
#define bfd_elf32_bfd_merge_private_bfd_data \
|
|
elf32_sparc_merge_private_bfd_data
|
|
#define elf_backend_final_write_processing \
|
|
elf32_sparc_final_write_processing
|
|
#define elf_backend_grok_psinfo elf32_sparc_grok_psinfo
|
|
#define elf_backend_reloc_type_class elf32_sparc_reloc_type_class
|
|
|
|
#define elf_info_to_howto _bfd_sparc_elf_info_to_howto
|
|
#define bfd_elf32_bfd_reloc_type_lookup _bfd_sparc_elf_reloc_type_lookup
|
|
#define bfd_elf32_bfd_link_hash_table_create \
|
|
_bfd_sparc_elf_link_hash_table_create
|
|
#define bfd_elf32_bfd_relax_section _bfd_sparc_elf_relax_section
|
|
#define bfd_elf32_new_section_hook _bfd_sparc_elf_new_section_hook
|
|
#define elf_backend_copy_indirect_symbol \
|
|
_bfd_sparc_elf_copy_indirect_symbol
|
|
#define elf_backend_create_dynamic_sections \
|
|
_bfd_sparc_elf_create_dynamic_sections
|
|
#define elf_backend_check_relocs _bfd_sparc_elf_check_relocs
|
|
#define elf_backend_adjust_dynamic_symbol \
|
|
_bfd_sparc_elf_adjust_dynamic_symbol
|
|
#define elf_backend_omit_section_dynsym _bfd_sparc_elf_omit_section_dynsym
|
|
#define elf_backend_size_dynamic_sections \
|
|
_bfd_sparc_elf_size_dynamic_sections
|
|
#define elf_backend_relocate_section _bfd_sparc_elf_relocate_section
|
|
#define elf_backend_finish_dynamic_symbol \
|
|
_bfd_sparc_elf_finish_dynamic_symbol
|
|
#define elf_backend_finish_dynamic_sections \
|
|
_bfd_sparc_elf_finish_dynamic_sections
|
|
#define bfd_elf32_mkobject _bfd_sparc_elf_mkobject
|
|
#define elf_backend_object_p _bfd_sparc_elf_object_p
|
|
#define elf_backend_gc_mark_hook _bfd_sparc_elf_gc_mark_hook
|
|
#define elf_backend_gc_sweep_hook _bfd_sparc_elf_gc_sweep_hook
|
|
#define elf_backend_plt_sym_val _bfd_sparc_elf_plt_sym_val
|
|
|
|
#define elf_backend_can_gc_sections 1
|
|
#define elf_backend_can_refcount 1
|
|
#define elf_backend_want_got_plt 0
|
|
#define elf_backend_plt_readonly 0
|
|
#define elf_backend_want_plt_sym 1
|
|
#define elf_backend_got_header_size 4
|
|
#define elf_backend_rela_normal 1
|
|
|
|
#include "elf32-target.h"
|