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openwrt-xburst/target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch
juhosg 76dd08861a [kernel] generic/2.6.28: refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15389 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-04-24 14:49:08 +00:00

29 lines
814 B
Diff

--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -50,6 +50,7 @@ typedef struct user_fp elf_fpregset_t;
#define R_ARM_ABS32 2
#define R_ARM_CALL 28
#define R_ARM_JUMP24 29
+#define R_ARM_V4BX 40
/*
* These are used to set parameters in the core dumps.
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -132,6 +132,15 @@ apply_relocate(Elf32_Shdr *sechdrs, cons
*(u32 *)loc |= offset & 0x00ffffff;
break;
+ case R_ARM_V4BX:
+ /* Preserve Rm and the condition code. Alter
+ * other bits to re-code instruction as
+ * MOV PC,Rm.
+ */
+ *(u32 *)loc &= 0xf000000f;
+ *(u32 *)loc |= 0x01a0f000;
+ break;
+
default:
printk(KERN_ERR "%s: unknown relocation: %u\n",
module->name, ELF32_R_TYPE(rel->r_info));