diff options
Diffstat (limited to 'include/asm-ppc64/vdso.h')
-rw-r--r-- | include/asm-ppc64/vdso.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/asm-ppc64/vdso.h b/include/asm-ppc64/vdso.h new file mode 100644 index 000000000000..b74e16c0cf01 --- /dev/null +++ b/include/asm-ppc64/vdso.h | |||
@@ -0,0 +1,83 @@ | |||
1 | #ifndef __PPC64_VDSO_H__ | ||
2 | #define __PPC64_VDSO_H__ | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | /* Default link addresses for the vDSOs */ | ||
7 | #define VDSO32_LBASE 0 | ||
8 | #define VDSO64_LBASE 0 | ||
9 | |||
10 | /* Default map addresses */ | ||
11 | #define VDSO32_MBASE 0x100000 | ||
12 | #define VDSO64_MBASE 0x100000 | ||
13 | |||
14 | #define VDSO_VERSION_STRING LINUX_2.6.12 | ||
15 | |||
16 | /* Define if 64 bits VDSO has procedure descriptors */ | ||
17 | #undef VDS64_HAS_DESCRIPTORS | ||
18 | |||
19 | #ifndef __ASSEMBLY__ | ||
20 | |||
21 | extern unsigned int vdso64_pages; | ||
22 | extern unsigned int vdso32_pages; | ||
23 | |||
24 | /* Offsets relative to thread->vdso_base */ | ||
25 | extern unsigned long vdso64_rt_sigtramp; | ||
26 | extern unsigned long vdso32_sigtramp; | ||
27 | extern unsigned long vdso32_rt_sigtramp; | ||
28 | |||
29 | extern void vdso_init(void); | ||
30 | |||
31 | #else /* __ASSEMBLY__ */ | ||
32 | |||
33 | #ifdef __VDSO64__ | ||
34 | #ifdef VDS64_HAS_DESCRIPTORS | ||
35 | #define V_FUNCTION_BEGIN(name) \ | ||
36 | .globl name; \ | ||
37 | .section ".opd","a"; \ | ||
38 | .align 3; \ | ||
39 | name: \ | ||
40 | .quad .name,.TOC.@tocbase,0; \ | ||
41 | .previous; \ | ||
42 | .globl .name; \ | ||
43 | .type .name,@function; \ | ||
44 | .name: \ | ||
45 | |||
46 | #define V_FUNCTION_END(name) \ | ||
47 | .size .name,.-.name; | ||
48 | |||
49 | #define V_LOCAL_FUNC(name) (.name) | ||
50 | |||
51 | #else /* VDS64_HAS_DESCRIPTORS */ | ||
52 | |||
53 | #define V_FUNCTION_BEGIN(name) \ | ||
54 | .globl name; \ | ||
55 | name: \ | ||
56 | |||
57 | #define V_FUNCTION_END(name) \ | ||
58 | .size name,.-name; | ||
59 | |||
60 | #define V_LOCAL_FUNC(name) (name) | ||
61 | |||
62 | #endif /* VDS64_HAS_DESCRIPTORS */ | ||
63 | #endif /* __VDSO64__ */ | ||
64 | |||
65 | #ifdef __VDSO32__ | ||
66 | |||
67 | #define V_FUNCTION_BEGIN(name) \ | ||
68 | .globl name; \ | ||
69 | .type name,@function; \ | ||
70 | name: \ | ||
71 | |||
72 | #define V_FUNCTION_END(name) \ | ||
73 | .size name,.-name; | ||
74 | |||
75 | #define V_LOCAL_FUNC(name) (name) | ||
76 | |||
77 | #endif /* __VDSO32__ */ | ||
78 | |||
79 | #endif /* __ASSEMBLY__ */ | ||
80 | |||
81 | #endif /* __KERNEL__ */ | ||
82 | |||
83 | #endif /* __PPC64_VDSO_H__ */ | ||