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path: root/target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch
blob: 3e8d1fb0ba2937155bbb2480e0dbcf6dbe846aff (plain)
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--- 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
@@ -136,6 +136,15 @@ 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));