112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/* Intel 80386/80486 QNX specific support for 32-bit ELF
|
|
Copyright 2002
|
|
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#define ELF32_I386_C_INCLUDED
|
|
#include "elf32-i386.c"
|
|
|
|
/* Returns the end address of the segment + 1. */
|
|
#define SEGMENT_END(segment, start) \
|
|
(start + (segment->p_memsz > segment->p_filesz \
|
|
? segment->p_memsz : segment->p_filesz))
|
|
|
|
static boolean elf_i386qnx_copy_private_bfd_data_p
|
|
PARAMS ((bfd *, asection *, bfd *, asection *));
|
|
static boolean elf_i386qnx_is_contained_by_filepos
|
|
PARAMS ((asection *, Elf_Internal_Phdr *));
|
|
static void elf_i386qnx_set_nonloadable_filepos
|
|
PARAMS ((bfd *, Elf_Internal_Phdr *));
|
|
|
|
static boolean
|
|
elf_i386qnx_copy_private_bfd_data_p (ibfd, isec, obfd, osec)
|
|
bfd *ibfd;
|
|
asection *isec;
|
|
bfd *obfd;
|
|
asection *osec;
|
|
{
|
|
/* We don't use these parameters, but another target might. */
|
|
ibfd = ibfd;
|
|
obfd = obfd;
|
|
osec = osec;
|
|
return isec->next == NULL;
|
|
}
|
|
|
|
static boolean
|
|
elf_i386qnx_is_contained_by_filepos (section, segment)
|
|
asection *section;
|
|
Elf_Internal_Phdr *segment;
|
|
{
|
|
return ((bfd_vma) section->filepos >= segment->p_offset
|
|
&& ((bfd_vma) section->filepos + section->_raw_size
|
|
<= SEGMENT_END (segment, segment->p_offset)));
|
|
}
|
|
|
|
static void
|
|
elf_i386qnx_set_nonloadable_filepos (abfd, phdrs)
|
|
bfd *abfd;
|
|
Elf_Internal_Phdr *phdrs;
|
|
{
|
|
struct elf_segment_map *m;
|
|
Elf_Internal_Phdr *p;
|
|
file_ptr off = 0;
|
|
|
|
for (m = elf_tdata (abfd)->segment_map, p = phdrs;
|
|
m != NULL;
|
|
m = m->next, p++)
|
|
{
|
|
unsigned int i;
|
|
asection **secpp;
|
|
|
|
for (i = 0, secpp = m->sections; i < m->count; i++, secpp++)
|
|
{
|
|
asection *sec;
|
|
|
|
sec = *secpp;
|
|
|
|
if (p->p_type == PT_LOAD)
|
|
off = sec->filepos;
|
|
else
|
|
{
|
|
if (i == 0)
|
|
{
|
|
if (sec->filepos)
|
|
p->p_offset = sec->filepos;
|
|
else
|
|
p->p_offset = off;
|
|
}
|
|
if (!sec->filepos)
|
|
{
|
|
off += sec->_raw_size;
|
|
p->p_filesz += sec->_raw_size;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
#undef TARGET_LITTLE_SYM
|
|
#define TARGET_LITTLE_SYM bfd_elf32_i386qnx_vec
|
|
|
|
#define elf_backend_set_nonloadable_filepos elf_i386qnx_set_nonloadable_filepos
|
|
#define elf_backend_is_contained_by_filepos elf_i386qnx_is_contained_by_filepos
|
|
#define elf_backend_copy_private_bfd_data_p elf_i386qnx_copy_private_bfd_data_p
|
|
|
|
#include "elf32-target.h"
|