diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/elf.h | 7 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/sections.h | 13 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 80d1f399ee51..64c6ee22eefd 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -409,6 +409,13 @@ do { \ /* Keep this the last entry. */ #define R_PPC64_NUM 107 +/* There's actually a third entry here, but it's unused */ +struct ppc64_opd_entry +{ + unsigned long funcaddr; + unsigned long r2; +}; + #ifdef __KERNEL__ #ifdef CONFIG_SPU_BASE diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 916018e425c4..07956f3e7844 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -2,6 +2,8 @@ #define _ASM_POWERPC_SECTIONS_H #ifdef __KERNEL__ +#include <linux/elf.h> +#include <linux/uaccess.h> #include <asm-generic/sections.h> #ifdef __powerpc64__ @@ -16,6 +18,17 @@ static inline int in_kernel_text(unsigned long addr) return 0; } +#undef dereference_function_descriptor +static inline void *dereference_function_descriptor(void *ptr) +{ + struct ppc64_opd_entry *desc = ptr; + void *p; + + if (!probe_kernel_address(&desc->funcaddr, p)) + ptr = p; + return ptr; +} + #endif #endif /* __KERNEL__ */ |