aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/module.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/module.c')
-rw-r--r--arch/arm/kernel/module.c42
1 files changed, 12 insertions, 30 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index fee7c36349eb..05b377616fd5 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -43,25 +43,7 @@ void *module_alloc(unsigned long size)
GFP_KERNEL, PAGE_KERNEL_EXEC, -1,
__builtin_return_address(0));
}
-#else /* CONFIG_MMU */
-void *module_alloc(unsigned long size)
-{
- return size == 0 ? NULL : vmalloc(size);
-}
-#endif /* !CONFIG_MMU */
-
-void module_free(struct module *module, void *region)
-{
- vfree(region);
-}
-
-int module_frob_arch_sections(Elf_Ehdr *hdr,
- Elf_Shdr *sechdrs,
- char *secstrings,
- struct module *mod)
-{
- return 0;
-}
+#endif
int
apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
@@ -193,8 +175,17 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
offset -= 0x02000000;
offset += sym->st_value - loc;
- /* only Thumb addresses allowed (no interworking) */
- if (!(offset & 1) ||
+ /*
+ * For function symbols, only Thumb addresses are
+ * allowed (no interworking).
+ *
+ * For non-function symbols, the destination
+ * has no specific ARM/Thumb disposition, so
+ * the branch is resolved under the assumption
+ * that interworking is not required.
+ */
+ if ((ELF32_ST_TYPE(sym->st_info) == STT_FUNC &&
+ !(offset & 1)) ||
offset <= (s32)0xff000000 ||
offset >= (s32)0x01000000) {
pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n",
@@ -256,15 +247,6 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
return 0;
}
-int
-apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec, struct module *module)
-{
- printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
- module->name);
- return -ENOEXEC;
-}
-
struct mod_unwind_map {
const Elf_Shdr *unw_sec;
const Elf_Shdr *txt_sec;