/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PPC64_VDSO_H__ #define __PPC64_VDSO_H__ #ifdef __KERNEL__ /* Default link addresses for the vDSOs */ #define VDSO32_LBASE 0x0 #define VDSO64_LBASE 0x0 /* Default map addresses for 32bit vDSO */ #define VDSO32_MBASE 0x100000 #define VDSO_VERSION_STRING LINUX_2.6.15 /* Define if 64 bits VDSO has procedure descriptors */ #undef VDS64_HAS_DESCRIPTORS #ifndef __ASSEMBLY__ /* Offsets relative to thread->vdso_base */ extern unsigned long vdso64_rt_sigtramp; extern unsigned long vdso32_sigtramp; extern unsigned long vdso32_rt_sigtramp; int vdso_getcpu_init(void); #else /* __ASSEMBLY__ */ #ifdef __VDSO64__ #ifdef VDS64_HAS_DESCRIPTORS #define V_FUNCTION_BEGIN(name) \ .globl name; \ .section ".opd","a"; \ .align 3; \ name: \ .quad .name,.TOC.@tocbase,0; \ .previous; \ .globl .name; \ .type .name,@function; \ .name: \ #define V_FUNCTION_END(name) \ .size .name,.-.name; #define V_LOCAL_FUNC(name) (.name) #else /* VDS64_HAS_DESCRIPTORS */ #define V_FUNCTION_BEGIN(name) \ .globl name; \ name: \ #define V_FUNCTION_END(name) \ .size name,.-name; #define V_LOCAL_FUNC(name) (name) #endif /* VDS64_HAS_DESCRIPTORS */ #endif /* __VDSO64__ */ #ifdef __VDSO32__ #define V_FUNCTION_BEGIN(name) \ .globl name; \ .type name,@function; \ name: \ #define V_FUNCTION_END(name) \ .size name,.-name; #define V_LOCAL_FUNC(name) (name) #endif /* __VDSO32__ */ #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* __PPC64_VDSO_H__ */