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/* Get static program's program headers. IA-64 version.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <assert.h>
#include <errno.h>
#include <link.h>
#include <stddef.h>
extern unsigned long ip_segrel;
asm (".section .rodata; ip_segrel: data8 @segrel(ip#); .previous");
int
dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
size_t size, void *data), void *data)
{
char *ip;
ElfW(Ehdr) *ehdr;
struct dl_phdr_info info;
int ret;
asm ("ip: mov %0 = ip" : "=r" (ip));
ehdr = (ElfW(Ehdr) *) (ip - ip_segrel);
assert (ehdr->e_ident[0] == 0x7f
&& ehdr->e_ident[1] == 'E'
&& ehdr->e_ident[2] == 'L'
&& ehdr->e_ident[3] == 'F'
&& ehdr->e_ident[EI_CLASS] == ELFCLASS64
&& ehdr->e_ident[EI_DATA] == ELFDATA2LSB
&& ehdr->e_machine == EM_IA_64
&& ehdr->e_type == ET_EXEC);
info.dlpi_addr = 0;
info.dlpi_name = NULL;
info.dlpi_phdr = (ElfW(Phdr) *) ((char *) ehdr + ehdr->e_phoff);
info.dlpi_phnum = ehdr->e_phnum;
ret = callback (&info, sizeof (struct dl_phdr_info), data);
if (ret)
return ret;
return __dl_iterate_phdr (callback, data);
}
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