diff options
| author | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-04-10 18:47:05 +0000 |
|---|---|---|
| committer | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-04-10 18:47:05 +0000 |
| commit | dedbbd4ca23f85f34cf9f87a13984e564f1afefb (patch) | |
| tree | a00ab7dca4d92d87c8e8d790649ecaaaf5c09f7f | |
| parent | 83b4c4420d7f18727b0bbe5b84ec9543829ea274 (diff) | |
add the R_ARM_V4BX relocation to the ARM kernel module loader
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15208 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch b/target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch new file mode 100644 index 0000000000..3fac7aba43 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/230-add-r_arm_v4bx-relocation-for-arm-module-loader.patch @@ -0,0 +1,33 @@ +diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h +index a58378c..ce3b36e 100644 +--- 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. +diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c +index dab48f2..9f509fd 100644 +--- a/arch/arm/kernel/module.c ++++ b/arch/arm/kernel/module.c +@@ -132,6 +132,15 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, + *(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)); + |