diff options
Diffstat (limited to 'include/asm-x86/vdso.h')
| -rw-r--r-- | include/asm-x86/vdso.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/include/asm-x86/vdso.h b/include/asm-x86/vdso.h index 629bcb6e8e45..86e085e003d2 100644 --- a/include/asm-x86/vdso.h +++ b/include/asm-x86/vdso.h @@ -8,9 +8,11 @@ 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)); }) +#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 @@ -20,9 +22,18 @@ 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)); }) +#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 */ |