linux/include/asm-x86/vdso.h
Ingo Molnar eee6dd1572 x86: move extern declaration to vdso.h
Before:
   total: 0 errors, 3 warnings, 685 lines checked
After:
   total: 0 errors, 1 warnings, 678 lines checked

No code changed:

arch/x86/kernel/signal_32.o:

   text	   data	    bss	    dec	    hex	filename
   5333	      0	      4	   5337	   14d9	signal_32.o.before
   5333	      0	      4	   5337	   14d9	signal_32.o.after

md5:
   c279e98012a2808e90cfa2a7787e42a4  signal_32.o.before.asm
   c279e98012a2808e90cfa2a7787e42a4  signal_32.o.after.asm

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17 17:40:57 +02:00

35 lines
1,017 B
C

#ifndef _ASM_X86_VDSO_H
#define _ASM_X86_VDSO_H 1
#ifdef CONFIG_X86_64
extern const char VDSO64_PRELINK[];
/*
* Given a pointer to the vDSO image, find the pointer to VDSO64_name
* as that symbol is defined in the vDSO sources or linker script.
*/
#define VDSO64_SYMBOL(base, name) ({ \
extern const char VDSO64_##name[]; \
(void *) (VDSO64_##name - VDSO64_PRELINK + (unsigned long) (base)); })
#endif
#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
extern const char VDSO32_PRELINK[];
/*
* Given a pointer to the vDSO image, find the pointer to VDSO32_name
* as that symbol is defined in the vDSO sources or linker script.
*/
#define VDSO32_SYMBOL(base, name) ({ \
extern const char VDSO32_##name[]; \
(void *) (VDSO32_##name - VDSO32_PRELINK + (unsigned long) (base)); })
#endif
/*
* These symbols are defined with the addresses in the vsyscall page.
* See vsyscall-sigreturn.S.
*/
extern void __user __kernel_sigreturn;
extern void __user __kernel_rt_sigreturn;
#endif /* asm-x86/vdso.h */