mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 05:50:17 +00:00
2dcd4e9ee1
These files now need to be in a standard place so that they can be located by generic Makefile rules. Move them to the 'lib' directory. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Alexander Graf <agraf@suse.de>
73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
/*
|
|
* reloc_ia32.c - position independent x86 ELF shared object relocator
|
|
* Copyright (C) 1999 Hewlett-Packard Co.
|
|
* Contributed by David Mosberger <davidm@hpl.hp.com>.
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <efi.h>
|
|
#include <elf.h>
|
|
#include <asm/elf.h>
|
|
|
|
efi_status_t _relocate(long ldbase, Elf32_Dyn *dyn, efi_handle_t image,
|
|
struct efi_system_table *systab)
|
|
{
|
|
long relsz = 0, relent = 0;
|
|
Elf32_Rel *rel = 0;
|
|
unsigned long *addr;
|
|
int i;
|
|
|
|
for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
|
|
switch (dyn[i].d_tag) {
|
|
case DT_REL:
|
|
rel = (Elf32_Rel *)((unsigned long)dyn[i].d_un.d_ptr +
|
|
ldbase);
|
|
break;
|
|
|
|
case DT_RELSZ:
|
|
relsz = dyn[i].d_un.d_val;
|
|
break;
|
|
|
|
case DT_RELENT:
|
|
relent = dyn[i].d_un.d_val;
|
|
break;
|
|
|
|
case DT_RELA:
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!rel && relent == 0)
|
|
return EFI_SUCCESS;
|
|
|
|
if (!rel || relent == 0)
|
|
return EFI_LOAD_ERROR;
|
|
|
|
while (relsz > 0) {
|
|
/* apply the relocs */
|
|
switch (ELF32_R_TYPE(rel->r_info)) {
|
|
case R_386_NONE:
|
|
break;
|
|
|
|
case R_386_RELATIVE:
|
|
addr = (unsigned long *)(ldbase + rel->r_offset);
|
|
*addr += ldbase;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
rel = (Elf32_Rel *)((char *)rel + relent);
|
|
relsz -= relent;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|