[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / vdso.h

#ifndef __PPC64_VDSO_H__
#define __PPC64_VDSO_H__

#ifdef __KERNEL__

/* Default link addresses for the vDSOs */
#define VDSO32_LBASE	0x100000
#define VDSO64_LBASE	0x100000

/* Default map addresses */
#define VDSO32_MBASE	VDSO32_LBASE
#define VDSO64_MBASE	VDSO64_LBASE

#define VDSO_VERSION_STRING	LINUX_2.6.15

/* Define if 64 bits VDSO has procedure descriptors */
#undef VDS64_HAS_DESCRIPTORS

#ifndef __ASSEMBLY__

/* Offsets relative to thread->vdso_base */
extern unsigned long vdso64_rt_sigtramp;
extern unsigned long vdso32_sigtramp;
extern unsigned long vdso32_rt_sigtramp;

#else /* __ASSEMBLY__ */

#ifdef __VDSO64__
#ifdef VDS64_HAS_DESCRIPTORS
#define V_FUNCTION_BEGIN(name)		\
	.globl name;			\
        .section ".opd","a";		\
        .align 3;			\
	name:				\
	.quad .name,.TOC.@tocbase,0;	\
	.previous;			\
	.globl .name;			\
	.type .name,@function; 		\
	.name:				\

#define V_FUNCTION_END(name)		\
	.size .name,.-.name;

#define V_LOCAL_FUNC(name) (.name)

#else /* VDS64_HAS_DESCRIPTORS */

#define V_FUNCTION_BEGIN(name)		\
	.globl name;			\
	name:				\

#define V_FUNCTION_END(name)		\
	.size name,.-name;

#define V_LOCAL_FUNC(name) (name)

#endif /* VDS64_HAS_DESCRIPTORS */
#endif /* __VDSO64__ */

#ifdef __VDSO32__

#define V_FUNCTION_BEGIN(name)		\
	.globl name;			\
	.type name,@function; 		\
	name:				\

#define V_FUNCTION_END(name)		\
	.size name,.-name;

#define V_LOCAL_FUNC(name) (name)

#endif /* __VDSO32__ */

#endif /* __ASSEMBLY__ */

#endif /* __KERNEL__ */

#endif /* __PPC64_VDSO_H__ */
Commit	Line	Data
1da177e4 LT	1	#ifndef __PPC64_VDSO_H__
	2	#define __PPC64_VDSO_H__
	3
	4	#ifdef __KERNEL__
	5
	6	/* Default link addresses for the vDSOs */
547ee84c BH	7	#define VDSO32_LBASE 0x100000
547ee84c BH	8	#define VDSO64_LBASE 0x100000
1da177e4 LT	9
1da177e4 LT	10	/* Default map addresses */
547ee84c BH	11	#define VDSO32_MBASE VDSO32_LBASE
547ee84c BH	12	#define VDSO64_MBASE VDSO64_LBASE
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
1da177e4 LT	26	#else /* __ASSEMBLY__ */
	27
	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: \
	40
	41	#define V_FUNCTION_END(name) \
	42	.size .name,.-.name;
	43
	44	#define V_LOCAL_FUNC(name) (.name)
	45
	46	#else /* VDS64_HAS_DESCRIPTORS */
	47
	48	#define V_FUNCTION_BEGIN(name) \
	49	.globl name; \
	50	name: \
	51
	52	#define V_FUNCTION_END(name) \
	53	.size name,.-name;
	54
	55	#define V_LOCAL_FUNC(name) (name)
	56
	57	#endif /* VDS64_HAS_DESCRIPTORS */
	58	#endif /* __VDSO64__ */
	59
	60	#ifdef __VDSO32__
	61
	62	#define V_FUNCTION_BEGIN(name) \
	63	.globl name; \
	64	.type name,@function; \
	65	name: \
	66
	67	#define V_FUNCTION_END(name) \
	68	.size name,.-name;
	69
	70	#define V_LOCAL_FUNC(name) (name)
	71
	72	#endif /* __VDSO32__ */
	73
	74	#endif /* __ASSEMBLY__ */
	75
	76	#endif /* __KERNEL__ */
	77
	78	#endif /* __PPC64_VDSO_H__ */