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 #ifdef CONFIG_PPC64 19 #include <generated/vdso64-offsets.h> 20 #endif 21 22 #ifdef CONFIG_VDSO32 23 #include <generated/vdso32-offsets.h> 24 #endif 25 26 #define VDSO64_SYMBOL(base, name) ((unsigned long)(base) + (vdso64_offset_##name)) 27 28 #define VDSO32_SYMBOL(base, name) ((unsigned long)(base) + (vdso32_offset_##name)) 29 30 /* Offsets relative to thread->vdso_base */ 31 extern unsigned long vdso64_rt_sigtramp; 32 extern unsigned long vdso32_sigtramp; 33 extern unsigned long vdso32_rt_sigtramp; 34 35 int vdso_getcpu_init(void); 36 37 #else /* __ASSEMBLY__ */ 38 39 #ifdef __VDSO64__ 40 #define V_FUNCTION_BEGIN(name) \ 41 .globl name; \ 42 name: \ 43 44 #define V_FUNCTION_END(name) \ 45 .size name,.-name; 46 47 #define V_LOCAL_FUNC(name) (name) 48 #endif /* __VDSO64__ */ 49 50 #ifdef __VDSO32__ 51 52 #define V_FUNCTION_BEGIN(name) \ 53 .globl name; \ 54 .type name,@function; \ 55 name: \ 56 57 #define V_FUNCTION_END(name) \ 58 .size name,.-name; 59 60 #define V_LOCAL_FUNC(name) (name) 61 62 #endif /* __VDSO32__ */ 63 64 #endif /* __ASSEMBLY__ */ 65 66 #endif /* __KERNEL__ */ 67 68 #endif /* __PPC64_VDSO_H__ */ 69