1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PPC64_VDSO_H__ 3 #define __PPC64_VDSO_H__ 4 5 #ifdef __KERNEL__ 6 7 /* Default link addresses for the vDSOs */ 8 #define VDSO32_LBASE 0x0 9 #define VDSO64_LBASE 0x0 10 11 /* Default map addresses for 32bit vDSO */ 12 #define VDSO32_MBASE 0x100000 13 14 #define VDSO_VERSION_STRING LINUX_2.6.15 15 16 #ifndef __ASSEMBLY__ 17 18 /* Offsets relative to thread->vdso_base */ 19 extern unsigned long vdso64_rt_sigtramp; 20 extern unsigned long vdso32_sigtramp; 21 extern unsigned long vdso32_rt_sigtramp; 22 23 int vdso_getcpu_init(void); 24 25 #else /* __ASSEMBLY__ */ 26 27 #ifdef __VDSO64__ 28 #define V_FUNCTION_BEGIN(name) \ 29 .globl name; \ 30 name: \ 31 32 #define V_FUNCTION_END(name) \ 33 .size name,.-name; 34 35 #define V_LOCAL_FUNC(name) (name) 36 #endif /* __VDSO64__ */ 37 38 #ifdef __VDSO32__ 39 40 #define V_FUNCTION_BEGIN(name) \ 41 .globl name; \ 42 .type name,@function; \ 43 name: \ 44 45 #define V_FUNCTION_END(name) \ 46 .size name,.-name; 47 48 #define V_LOCAL_FUNC(name) (name) 49 50 #endif /* __VDSO32__ */ 51 52 #endif /* __ASSEMBLY__ */ 53 54 #endif /* __KERNEL__ */ 55 56 #endif /* __PPC64_VDSO_H__ */ 57