diff options
Diffstat (limited to 'arch/x86/kernel/vsyscall_emu_64.S')
-rw-r--r-- | arch/x86/kernel/vsyscall_emu_64.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/kernel/vsyscall_emu_64.S b/arch/x86/kernel/vsyscall_emu_64.S new file mode 100644 index 000000000000..ffa845eae5ca --- /dev/null +++ b/arch/x86/kernel/vsyscall_emu_64.S @@ -0,0 +1,27 @@ +/* + * vsyscall_emu_64.S: Vsyscall emulation page + * + * Copyright (c) 2011 Andy Lutomirski + * + * Subject to the GNU General Public License, version 2 + */ + +#include <linux/linkage.h> +#include <asm/irq_vectors.h> + +/* The unused parts of the page are filled with 0xcc by the linker script. */ + +.section .vsyscall_0, "a" +ENTRY(vsyscall_0) + int $VSYSCALL_EMU_VECTOR +END(vsyscall_0) + +.section .vsyscall_1, "a" +ENTRY(vsyscall_1) + int $VSYSCALL_EMU_VECTOR +END(vsyscall_1) + +.section .vsyscall_2, "a" +ENTRY(vsyscall_2) + int $VSYSCALL_EMU_VECTOR +END(vsyscall_2) |