projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | #ifndef __PPC64_VDSO_H__ |
| 3 | #define __PPC64_VDSO_H__ | |
| 4 | ||
| 5 | #ifdef __KERNEL__ | |
| 6 | ||
| 7 | /* Default link addresses for the vDSOs */ | |
| a0a4419e AB |
8 | #define VDSO32_LBASE 0x0 |
| 9 | #define VDSO64_LBASE 0x0 | |
| 1da177e4 | 10 | |
| 30d0b368 | 11 | /* Default map addresses for 32bit vDSO */ |
| a0a4419e | 12 | #define VDSO32_MBASE 0x100000 |
| 1da177e4 | 13 | |
| 5d66da3d | 14 | #define VDSO_VERSION_STRING LINUX_2.6.15 |
| 1da177e4 LT |
15 | |
| 16 | /* Define if 64 bits VDSO has procedure descriptors */ | |
| 17 | #undef VDS64_HAS_DESCRIPTORS | |
| 18 | ||
| 19 | #ifndef __ASSEMBLY__ | |
| 20 | ||
| 1da177e4 LT |
21 | /* Offsets relative to thread->vdso_base */ |
| 22 | extern unsigned long vdso64_rt_sigtramp; | |
| 23 | extern unsigned long vdso32_sigtramp; | |
| 24 | extern unsigned long vdso32_rt_sigtramp; | |
| 25 | ||
| 061d19f2 | 26 | int vdso_getcpu_init(void); |
| 18ad51dd | 27 | |
| 1da177e4 LT |
28 | #else /* __ASSEMBLY__ */ |
| 29 | ||
| 30 | #ifdef __VDSO64__ | |
| 31 | #ifdef VDS64_HAS_DESCRIPTORS | |
| 32 | #define V_FUNCTION_BEGIN(name) \ | |
| 33 | .globl name; \ | |
| 34 | .section ".opd","a"; \ | |
| 35 | .align 3; \ | |
| 36 | name: \ | |
| 37 | .quad .name,.TOC.@tocbase,0; \ | |
| 38 | .previous; \ | |
| 39 | .globl .name; \ | |
| 40 | .type .name,@function; \ | |
| 41 | .name: \ | |
| 42 | ||
| 43 | #define V_FUNCTION_END(name) \ | |
| 44 | .size .name,.-.name; | |
| 45 | ||
| 46 | #define V_LOCAL_FUNC(name) (.name) | |
| 47 | ||
| 48 | #else /* VDS64_HAS_DESCRIPTORS */ | |
| 49 | ||
| 50 | #define V_FUNCTION_BEGIN(name) \ | |
| 51 | .globl name; \ | |
| 52 | name: \ | |
| 53 | ||
| 54 | #define V_FUNCTION_END(name) \ | |
| 55 | .size name,.-name; | |
| 56 | ||
| 57 | #define V_LOCAL_FUNC(name) (name) | |
| 58 | ||
| 59 | #endif /* VDS64_HAS_DESCRIPTORS */ | |
| 60 | #endif /* __VDSO64__ */ | |
| 61 | ||
| 62 | #ifdef __VDSO32__ | |
| 63 | ||
| 64 | #define V_FUNCTION_BEGIN(name) \ | |
| 65 | .globl name; \ | |
| 66 | .type name,@function; \ | |
| 67 | name: \ | |
| 68 | ||
| 69 | #define V_FUNCTION_END(name) \ | |
| 70 | .size name,.-name; | |
| 71 | ||
| 72 | #define V_LOCAL_FUNC(name) (name) | |
| 73 | ||
| 74 | #endif /* __VDSO32__ */ | |
| 75 | ||
| 76 | #endif /* __ASSEMBLY__ */ | |
| 77 | ||
| 78 | #endif /* __KERNEL__ */ | |
| 79 | ||
| 80 | #endif /* __PPC64_VDSO_H__ */ |