Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 0x100000
8#define VDSO64_LBASE 0x100000
9
10/* Default map addresses */
11#define VDSO32_MBASE VDSO32_LBASE
12#define VDSO64_MBASE VDSO64_LBASE
13
14#define VDSO_VERSION_STRING LINUX_2.6.15
15
16/* Define if 64 bits VDSO has procedure descriptors */
17#undef VDS64_HAS_DESCRIPTORS
18
19#ifndef __ASSEMBLY__
20
21extern unsigned int vdso64_pages;
22extern unsigned int vdso32_pages;
23
24/* Offsets relative to thread->vdso_base */
25extern unsigned long vdso64_rt_sigtramp;
26extern unsigned long vdso32_sigtramp;
27extern unsigned long vdso32_rt_sigtramp;
28
29extern 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__ */