diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/module.c (renamed from arch/sparc/kernel/module_64.c) | 24 | ||||
| -rw-r--r-- | arch/sparc/kernel/module_32.c | 163 |
3 files changed, 25 insertions, 164 deletions
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 59aab6a81e8..53adcaa0348 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -68,7 +68,7 @@ obj-$(CONFIG_SPARC64_SMP) += hvtramp.o obj-y += auxio_$(BITS).o obj-$(CONFIG_SUN_PM) += apc.o pmc.o -obj-$(CONFIG_MODULES) += module_$(BITS).o +obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_MODULES) += sparc_ksyms_$(BITS).o obj-$(CONFIG_SPARC_LED) += led.o obj-$(CONFIG_KGDB) += kgdb_$(BITS).o diff --git a/arch/sparc/kernel/module_64.c b/arch/sparc/kernel/module.c index 4deb8871503..90273765e81 100644 --- a/arch/sparc/kernel/module_64.c +++ b/arch/sparc/kernel/module.c @@ -10,6 +10,7 @@ #include <linux/vmalloc.h> #include <linux/fs.h> #include <linux/string.h> +#include <linux/ctype.h> #include <linux/slab.h> #include <linux/mm.h> @@ -36,6 +37,21 @@ static char *dot2underscore(char *name) { return name; } +#else +static void *module_map(unsigned long size) +{ + return vmalloc(size); +} + +/* Replace references to .func with _Func */ +static char *dot2underscore(char *name) +{ + if (name[0] == '.') { + name[0] = '_'; + name[1] = toupper(name[1]); + } + return name; +} #endif /* CONFIG_SPARC64 */ void *module_alloc(unsigned long size) @@ -170,6 +186,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, #endif /* CONFIG_SPARC64 */ case R_SPARC_32: + case R_SPARC_UA32: location[0] = v >> 24; location[1] = v >> 16; location[2] = v >> 8; @@ -224,6 +241,13 @@ int module_finalize(const Elf_Ehdr *hdr, return 0; } +#else +int module_finalize(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs, + struct module *me) +{ + return 0; +} #endif /* CONFIG_SPARC64 */ void module_arch_cleanup(struct module *mod) diff --git a/arch/sparc/kernel/module_32.c b/arch/sparc/kernel/module_32.c deleted file mode 100644 index 598682f31eb..00000000000 --- a/arch/sparc/kernel/module_32.c +++ /dev/null @@ -1,163 +0,0 @@ -/* Kernel module help for sparc32. - * - * Copyright (C) 2001 Rusty Russell. - * Copyright (C) 2002 David S. Miller. - */ - -#include <linux/moduleloader.h> -#include <linux/kernel.h> -#include <linux/elf.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/ctype.h> - -void *module_alloc(unsigned long size) -{ - void *ret; - - /* We handle the zero case fine, unlike vmalloc */ - if (size == 0) - return NULL; - - ret = vmalloc(size); - if (!ret) - ret = ERR_PTR(-ENOMEM); - else - memset(ret, 0, size); - - return ret; -} - -/* Free memory returned from module_core_alloc/module_init_alloc */ -void module_free(struct module *mod, void *module_region) -{ - vfree(module_region); - /* FIXME: If module_region == mod->init_region, trim exception - table entries. */ -} - -/* Make generic code ignore STT_REGISTER dummy undefined symbols, - * and replace references to .func with _Func - */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - unsigned int symidx; - Elf32_Sym *sym; - char *strtab; - int i; - - for (symidx = 0; sechdrs[symidx].sh_type != SHT_SYMTAB; symidx++) { - if (symidx == hdr->e_shnum-1) { - printk("%s: no symtab found.\n", mod->name); - return -ENOEXEC; - } - } - sym = (Elf32_Sym *)sechdrs[symidx].sh_addr; - strtab = (char *)sechdrs[sechdrs[symidx].sh_link].sh_addr; - - for (i = 1; i < sechdrs[symidx].sh_size / sizeof(Elf_Sym); i++) { - if (sym[i].st_shndx == SHN_UNDEF) { - if (ELF32_ST_TYPE(sym[i].st_info) == STT_REGISTER) - sym[i].st_shndx = SHN_ABS; - else { - char *name = strtab + sym[i].st_name; - if (name[0] == '.') { - name[0] = '_'; - name[1] = toupper(name[1]); - } - } - } - } - return 0; -} - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: non-ADD RELOCATION unsupported\n", - me->name); - return -ENOEXEC; -} - -int apply_relocate_add(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - u8 *location; - u32 *loc32; - - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - Elf32_Addr v; - - /* This is where to make the change */ - location = (u8 *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - loc32 = (u32 *) location; - /* 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); - v = sym->st_value + rel[i].r_addend; - - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_SPARC_32: - case R_SPARC_UA32: - location[0] = v >> 24; - location[1] = v >> 16; - location[2] = v >> 8; - location[3] = v >> 0; - break; - - case R_SPARC_WDISP30: - v -= (Elf32_Addr) location; - *loc32 = (*loc32 & ~0x3fffffff) | - ((v >> 2) & 0x3fffffff); - break; - - case R_SPARC_WDISP22: - v -= (Elf32_Addr) location; - *loc32 = (*loc32 & ~0x3fffff) | - ((v >> 2) & 0x3fffff); - break; - - case R_SPARC_LO10: - *loc32 = (*loc32 & ~0x3ff) | (v & 0x3ff); - break; - - case R_SPARC_HI22: - *loc32 = (*loc32 & ~0x3fffff) | - ((v >> 10) & 0x3fffff); - break; - - default: - printk(KERN_ERR "module %s: Unknown relocation: %x\n", - me->name, - (int) (ELF32_R_TYPE(rel[i].r_info) & 0xff)); - 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) -{ -} |