diff options
Diffstat (limited to 'arch/x86/include/asm/runtime-const.h')
| -rw-r--r-- | arch/x86/include/asm/runtime-const.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/runtime-const.h b/arch/x86/include/asm/runtime-const.h index 6652ebddfd02..e5a13dc8816e 100644 --- a/arch/x86/include/asm/runtime-const.h +++ b/arch/x86/include/asm/runtime-const.h @@ -2,6 +2,22 @@ #ifndef _ASM_RUNTIME_CONST_H #define _ASM_RUNTIME_CONST_H +#ifdef MODULE + #error "Cannot use runtime-const infrastructure from modules" +#endif + +#ifdef __ASSEMBLY__ + +.macro RUNTIME_CONST_PTR sym reg + movq $0x0123456789abcdef, %\reg + 1: + .pushsection runtime_ptr_\sym, "a" + .long 1b - 8 - . + .popsection +.endm + +#else /* __ASSEMBLY__ */ + #define runtime_const_ptr(sym) ({ \ typeof(sym) __ret; \ asm_inline("mov %1,%0\n1:\n" \ @@ -58,4 +74,5 @@ static inline void runtime_const_fixup(void (*fn)(void *, unsigned long), } } +#endif /* __ASSEMBLY__ */ #endif |