cregit-Linux how code gets into the kernel

Release 4.7 arch/cris/kernel/module.c

Directory: arch/cris/kernel
/*  Kernel module help for i386.
    Copyright (C) 2001 Rusty Russell.

    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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
#include <linux/moduleloader.h>
#include <linux/elf.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/slab.h>

#if 0
#define DEBUGP printk
#else

#define DEBUGP(fmt , ...)
#endif

#ifdef CONFIG_ETRAX_KMALLOCED_MODULES

void *module_alloc(unsigned long size) { return kmalloc(size, GFP_KERNEL); }

Contributors

PersonTokensPropCommitsCommitProp
mikael starvikmikael starvik1583.33%150.00%
jonas bonnjonas bonn316.67%150.00%
Total18100.00%2100.00%

/* Free memory returned from module_alloc */
void module_memfree(void *module_region) { kfree(module_region); }

Contributors

PersonTokensPropCommitsCommitProp
mikael starvikmikael starvik1285.71%133.33%
rusty russellrusty russell17.14%133.33%
jonas bonnjonas bonn17.14%133.33%
Total14100.00%3100.00%

#endif
int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *me) { unsigned int i; Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr; DEBUGP ("Applying add relocate section %u to %u\n", relsec, sechdrs[relsec].sh_info); for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) { /* This is where to make the change */ uint32_t *loc = ((void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rela[i].r_offset); /* This is the symbol it is referring to. Note that all undefined symbols have been resolved. */ Elf32_Sym *sym = ((Elf32_Sym *)sechdrs[symindex].sh_addr + ELF32_R_SYM (rela[i].r_info)); switch (ELF32_R_TYPE(rela[i].r_info)) { case R_CRIS_32: *loc = sym->st_value + rela[i].r_addend; break; case R_CRIS_32_PCREL: *loc = sym->st_value - (unsigned)loc + rela[i].r_addend - 4; break; default: printk(KERN_ERR "module %s: Unknown relocation: %u\n", me->name, ELF32_R_TYPE(rela[i].r_info)); return -ENOEXEC; } } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
andrew mortonandrew morton12755.46%133.33%
mikael starvikmikael starvik10244.54%266.67%
Total229100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
mikael starvikmikael starvik16854.55%228.57%
andrew mortonandrew morton12741.23%114.29%
jonas bonnjonas bonn61.95%114.29%
tejun heotejun heo30.97%114.29%
jesper nilssonjesper nilsson30.97%114.29%
rusty russellrusty russell10.32%114.29%
Total308100.00%7100.00%
Directory: arch/cris/kernel
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