diff options
Diffstat (limited to 'arch/cris/kernel/module.c')
| -rw-r--r-- | arch/cris/kernel/module.c | 75 |
1 files changed, 18 insertions, 57 deletions
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c index f1d3e784f30..51123f985eb 100644 --- a/arch/cris/kernel/module.c +++ b/arch/cris/kernel/module.c @@ -21,6 +21,7 @@ #include <linux/fs.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/slab.h> #if 0 #define DEBUGP printk @@ -28,58 +29,18 @@ #define DEBUGP(fmt , ...) #endif +#ifdef CONFIG_ETRAX_KMALLOCED_MODULES void *module_alloc(unsigned long size) { - if (size == 0) - return NULL; - return vmalloc(size); + return kmalloc(size, GFP_KERNEL); } - /* Free memory returned from module_alloc */ void module_free(struct module *mod, void *module_region) { - vfree(module_region); - /* FIXME: If module_region == mod->init_region, trim exception - table entries. */ -} - -/* We don't need anything special. */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - return 0; -} - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - uint32_t *location; - - DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_offset - + rel[i].r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr - + ELF32_R_SYM(rel[i].r_info); - - /* We add the value into the location given */ - *location += sym->st_value; - } - return 0; + kfree(module_region); } +#endif int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, @@ -90,7 +51,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, unsigned int i; Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr; - DEBUGP ("Applying relocate section %u to %u\n", relsec, + 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++) { @@ -103,19 +64,19 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, Elf32_Sym *sym = ((Elf32_Sym *)sechdrs[symindex].sh_addr + ELF32_R_SYM (rela[i].r_info)); - *loc = sym->st_value + rela[i].r_addend; + 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; } - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - return 0; -} - -void module_arch_cleanup(struct module *mod) -{ -} |