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

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PPC64_VDSO_H__
 3#define __PPC64_VDSO_H__
 4
 5#ifdef __KERNEL__
 6
 7/* Default link addresses for the vDSOs */
 8#define VDSO32_LBASE	0x0
 9#define VDSO64_LBASE	0x0
10
11/* Default map addresses for 32bit vDSO */
12#define VDSO32_MBASE	0x100000
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
21/* Offsets relative to thread->vdso_base */
22extern unsigned long vdso64_rt_sigtramp;
23extern unsigned long vdso32_sigtramp;
24extern unsigned long vdso32_rt_sigtramp;
25
26int vdso_getcpu_init(void);
27
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__ */