summaryrefslogtreecommitdiff
path: root/arch/score/kernel/module.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/score/kernel/module.c')
-rw-r--r--arch/score/kernel/module.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c
deleted file mode 100644
index 1378d99baa3d..000000000000
--- a/arch/score/kernel/module.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * arch/score/kernel/module.c
- *
- * Score Processor version.
- *
- * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
- * Chen Liqin <liqin.chen@sunplusct.com>
- * Lennox Wu <lennox.wu@sunplusct.com>
- *
- * 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, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/moduleloader.h>
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-
-int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relindex,
- struct module *me)
-{
- Elf32_Shdr *symsec = sechdrs + symindex;
- Elf32_Shdr *relsec = sechdrs + relindex;
- Elf32_Shdr *dstsec = sechdrs + relsec->sh_info;
- Elf32_Rel *rel = (void *)relsec->sh_addr;
- unsigned int i;
-
- for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) {
- unsigned long loc;
- Elf32_Sym *sym;
- s32 r_offset;
-
- r_offset = ELF32_R_SYM(rel->r_info);
- if ((r_offset < 0) ||
- (r_offset > (symsec->sh_size / sizeof(Elf32_Sym)))) {
- printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n",
- me->name, relindex, i);
- return -ENOEXEC;
- }
-
- sym = ((Elf32_Sym *)symsec->sh_addr) + r_offset;
-
- if ((rel->r_offset < 0) ||
- (rel->r_offset > dstsec->sh_size - sizeof(u32))) {
- printk(KERN_ERR "%s: out of bounds relocation, "
- "section %d reloc %d offset %d size %d\n",
- me->name, relindex, i, rel->r_offset,
- dstsec->sh_size);
- return -ENOEXEC;
- }
-
- loc = dstsec->sh_addr + rel->r_offset;
- switch (ELF32_R_TYPE(rel->r_info)) {
- case R_SCORE_NONE:
- break;
- case R_SCORE_ABS32:
- *(unsigned long *)loc += sym->st_value;
- break;
- case R_SCORE_HI16:
- break;
- case R_SCORE_LO16: {
- unsigned long hi16_offset, offset;
- unsigned long uvalue;
- unsigned long temp, temp_hi;
- temp_hi = *((unsigned long *)loc - 1);
- temp = *(unsigned long *)loc;
-
- hi16_offset = (((((temp_hi) >> 16) & 0x3) << 15) |
- ((temp_hi) & 0x7fff)) >> 1;
- offset = ((temp >> 16 & 0x03) << 15) |
- ((temp & 0x7fff) >> 1);
- offset = (hi16_offset << 16) | (offset & 0xffff);
- uvalue = sym->st_value + offset;
- hi16_offset = (uvalue >> 16) << 1;
-
- temp_hi = ((temp_hi) & (~(0x37fff))) |
- (hi16_offset & 0x7fff) |
- ((hi16_offset << 1) & 0x30000);
- *((unsigned long *)loc - 1) = temp_hi;
-
- offset = (uvalue & 0xffff) << 1;
- temp = (temp & (~(0x37fff))) | (offset & 0x7fff) |
- ((offset << 1) & 0x30000);
- *(unsigned long *)loc = temp;
- break;
- }
- case R_SCORE_24: {
- unsigned long hi16_offset, offset;
- unsigned long uvalue;
- unsigned long temp;
-
- temp = *(unsigned long *)loc;
- offset = (temp & 0x03FF7FFE);
- hi16_offset = (offset & 0xFFFF0000);
- offset = (hi16_offset | ((offset & 0xFFFF) << 1)) >> 2;
-
- uvalue = (sym->st_value + offset) >> 1;
- uvalue = uvalue & 0x00ffffff;
-
- temp = (temp & 0xfc008001) |
- ((uvalue << 2) & 0x3ff0000) |
- ((uvalue & 0x3fff) << 1);
- *(unsigned long *)loc = temp;
- break;
- }
- default:
- printk(KERN_ERR "%s: unknown relocation: %u\n",
- me->name, ELF32_R_TYPE(rel->r_info));
- return -ENOEXEC;
- }
- }
-
- return 0;
-}
-
-/* Given an address, look for it in the module exception tables. */
-const struct exception_table_entry *search_module_dbetables(unsigned long addr)
-{
- return NULL;
-}