diff options
Diffstat (limited to 'arch/score/kernel/module.c')
| -rw-r--r-- | arch/score/kernel/module.c | 132 |
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; -} |