Release 4.14 arch/powerpc/include/asm/vdso.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PPC64_VDSO_H__

#define __PPC64_VDSO_H__

#ifdef __KERNEL__

/* Default link addresses for the vDSOs */

#define VDSO32_LBASE	0x0

#define VDSO64_LBASE	0x0

/* Default map addresses for 32bit vDSO */

#define VDSO32_MBASE	0x100000


#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;

int vdso_getcpu_init(void);

#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__ */
Overall Contributors
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Benjamin Herrenschmidt
124
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Anton Blanchard
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Greg Kroah-Hartman
1
0.74%
1
16.67%
Total
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Directory: arch/powerpc/include/asm

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