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authorSam Ravnborg <sam@ravnborg.org>2008-12-26 15:38:17 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-26 15:38:17 -0800
commite6b04fe0bae3c0c9204c8190c8988efa6646ef35 (patch)
treee1dff27b5dedda7045d2280c020bffad3d76c0f7 /arch
parent627bf2f678ba7325461922af137ff5f20b6523eb (diff)
sparc: unify module.c
o Copy module_64.c to module.c o Add all sparc specific bits to module.c o delete module_32.c o update Makefile Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/kernel/Makefile2
-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.c163
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)
-{
-}