binutils-gdb/bfd/elf32-gen.c

106 lines
3.2 KiB
C

/* Generic support for 32-bit ELF
Copyright (C) 1993-2020 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 3 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 "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
/* This does not include any relocation information, but should be
good enough for GDB or objdump to read the file. */
static reloc_howto_type dummy =
HOWTO (0, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
NULL, /* special_function */
"UNKNOWN", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
FALSE); /* pcrel_offset */
static bfd_boolean
elf_generic_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
{
bfd_reloc->howto = &dummy;
return TRUE;
}
static bfd_boolean
elf_generic_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED,
arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED)
{
bfd_reloc->howto = &dummy;
return TRUE;
}
static void
check_for_relocs (bfd * abfd, asection * o, void * failed)
{
if ((o->flags & SEC_RELOC) != 0)
{
Elf_Internal_Ehdr *ehdrp;
ehdrp = elf_elfheader (abfd);
/* xgettext:c-format */
_bfd_error_handler (_("%pB: relocations in generic ELF (EM: %d)"),
abfd, ehdrp->e_machine);
bfd_set_error (bfd_error_wrong_format);
* (bfd_boolean *) failed = TRUE;
}
}
static bfd_boolean
elf32_generic_link_add_symbols (bfd *abfd, struct bfd_link_info *info)
{
bfd_boolean failed = FALSE;
/* Check if there are any relocations. */
bfd_map_over_sections (abfd, check_for_relocs, & failed);
if (failed)
return FALSE;
return bfd_elf_link_add_symbols (abfd, info);
}
#define TARGET_LITTLE_SYM elf32_le_vec
#define TARGET_LITTLE_NAME "elf32-little"
#define TARGET_BIG_SYM elf32_be_vec
#define TARGET_BIG_NAME "elf32-big"
#define ELF_ARCH bfd_arch_unknown
#define ELF_MACHINE_CODE EM_NONE
#define ELF_MAXPAGESIZE 0x1
#define bfd_elf32_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
#define bfd_elf32_bfd_link_add_symbols elf32_generic_link_add_symbols
#define elf_info_to_howto elf_generic_info_to_howto
#define elf_info_to_howto_rel elf_generic_info_to_howto_rel
#include "elf32-target.h"