diff options
| author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
|---|---|---|
| committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
| commit | a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch) | |
| tree | c34b2311e37ea31db153c90cb8f4570374d05e78 /linux/arch/x86/include/asm/vsyscall.h | |
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/arch/x86/include/asm/vsyscall.h')
| -rw-r--r-- | linux/arch/x86/include/asm/vsyscall.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/linux/arch/x86/include/asm/vsyscall.h b/linux/arch/x86/include/asm/vsyscall.h new file mode 100644 index 00000000..6ba66ee7 --- /dev/null +++ b/linux/arch/x86/include/asm/vsyscall.h @@ -0,0 +1,23 @@ +#ifndef _ASM_X86_VSYSCALL_H +#define _ASM_X86_VSYSCALL_H + +#include <linux/seqlock.h> +#include <uapi/asm/vsyscall.h> + +#ifdef CONFIG_X86_VSYSCALL_EMULATION +extern void map_vsyscall(void); + +/* + * Called on instruction fetch fault in vsyscall page. + * Returns true if handled. + */ +extern bool emulate_vsyscall(struct pt_regs *regs, unsigned long address); +#else +static inline void map_vsyscall(void) {} +static inline bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) +{ + return false; +} +#endif + +#endif /* _ASM_X86_VSYSCALL_H */ |