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add missing file

This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-05-08 12:42:08 +02:00
parent 5452733f35
commit ad6e5cf25f
1 changed files with 73 additions and 0 deletions
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73
grub-core/kern/ia64/dl_helper.c Normal file
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/* dl.c - arch-dependent part of loadable module support */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2004,2005,2007,2009 Free Software Foundation, Inc.
*
* GRUB 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.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/elf.h>
#include <grub/misc.h>
#include <grub/err.h>
#include <grub/mm.h>
void
grub_ia64_dl_get_tramp_got_size (const void *ehdr, grub_size_t *tramp,
grub_size_t *got)
{
const Elf_Ehdr *e = ehdr;
grub_size_t cntt = 0, cntg = 0;;
const Elf_Shdr *s;
Elf_Word entsize;
unsigned i;
/* Find a symbol table. */
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_SYMTAB)
break;
if (i == e->e_shnum)
return;
entsize = s->sh_entsize;
for (i = 0, s = (Elf_Shdr *) ((char *) e + e->e_shoff);
i < e->e_shnum;
i++, s = (Elf_Shdr *) ((char *) s + e->e_shentsize))
if (s->sh_type == SHT_RELA)
{
Elf_Rela *rel, *max;
for (rel = (Elf_Rela *) ((char *) e + s->sh_offset),
max = rel + s->sh_size / s->sh_entsize;
rel < max; rel++)
switch (ELF_R_TYPE (rel->r_info))
{
case R_IA64_PCREL21B:
cntt++;
break;
case R_IA64_LTOFF_FPTR22:
case R_IA64_LTOFF22X:
case R_IA64_LTOFF22:
cntg++;
break;
}
}
*tramp = cntt;
*got = cntg;
}