Linux 2.6.28-rc5
[cris-mirror.git] / arch / powerpc / include / asm / vdso.h
blob26fc449bd9899cda5d760a0a5d63f8b112f7563b
1 #ifndef __PPC64_VDSO_H__
2 #define __PPC64_VDSO_H__
4 #ifdef __KERNEL__
6 /* Default link addresses for the vDSOs */
7 #define VDSO32_LBASE 0x100000
8 #define VDSO64_LBASE 0x100000
10 /* Default map addresses */
11 #define VDSO32_MBASE VDSO32_LBASE
12 #define VDSO64_MBASE VDSO64_LBASE
14 #define VDSO_VERSION_STRING LINUX_2.6.15
16 /* Define if 64 bits VDSO has procedure descriptors */
17 #undef VDS64_HAS_DESCRIPTORS
19 #ifndef __ASSEMBLY__
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;
26 #else /* __ASSEMBLY__ */
28 #ifdef __VDSO64__
29 #ifdef VDS64_HAS_DESCRIPTORS
30 #define V_FUNCTION_BEGIN(name) \
31 .globl name; \
32 .section ".opd","a"; \
33 .align 3; \
34 name: \
35 .quad .name,.TOC.@tocbase,0; \
36 .previous; \
37 .globl .name; \
38 .type .name,@function; \
39 .name: \
41 #define V_FUNCTION_END(name) \
42 .size .name,.-.name;
44 #define V_LOCAL_FUNC(name) (.name)
46 #else /* VDS64_HAS_DESCRIPTORS */
48 #define V_FUNCTION_BEGIN(name) \
49 .globl name; \
50 name: \
52 #define V_FUNCTION_END(name) \
53 .size name,.-name;
55 #define V_LOCAL_FUNC(name) (name)
57 #endif /* VDS64_HAS_DESCRIPTORS */
58 #endif /* __VDSO64__ */
60 #ifdef __VDSO32__
62 #define V_FUNCTION_BEGIN(name) \
63 .globl name; \
64 .type name,@function; \
65 name: \
67 #define V_FUNCTION_END(name) \
68 .size name,.-name;
70 #define V_LOCAL_FUNC(name) (name)
72 #endif /* __VDSO32__ */
74 #endif /* __ASSEMBLY__ */
76 #endif /* __KERNEL__ */
78 #endif /* __PPC64_VDSO_H__ */