diff options
Diffstat (limited to 'arch/x86/vdso/vdso32/syscall.S')
| -rw-r--r-- | arch/x86/vdso/vdso32/syscall.S | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/x86/vdso/vdso32/syscall.S b/arch/x86/vdso/vdso32/syscall.S index 333bfb552c8..fe88d34f822 100644 --- a/arch/x86/vdso/vdso32/syscall.S +++ b/arch/x86/vdso/vdso32/syscall.S @@ -1,13 +1,18 @@ /* - * Code for the vsyscall page. This version uses the syscall instruction. + * Code for the vDSO. This version uses the syscall instruction. + * + * First get the common code for the sigreturn entry points. + * This must come first. */ +#define SYSCALL_ENTER_KERNEL syscall +#include "sigreturn.S" -#include <asm/asm-offsets.h> #include <asm/segment.h> .text .globl __kernel_vsyscall .type __kernel_vsyscall,@function + ALIGN __kernel_vsyscall: .LSTART_vsyscall: push %ebp @@ -61,9 +66,12 @@ __kernel_vsyscall: .uleb128 4 .align 4 .LENDFDE1: + .previous -/* - * Get the common code for the sigreturn entry points. - */ -#define SYSCALL_ENTER_KERNEL syscall -#include "sigreturn.S" + /* + * Pad out the segment to match the size of the sysenter.S version. + */ +VDSO32_vsyscall_eh_frame_size = 0x44 + .section .data,"aw",@progbits + .space VDSO32_vsyscall_eh_frame_size-(.LENDFDE1-.LSTARTFRAME), 0 + .previous |