diff options
Diffstat (limited to 'arch/sh/kernel/vsyscall/vsyscall-trapa.S')
-rw-r--r-- | arch/sh/kernel/vsyscall/vsyscall-trapa.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S new file mode 100644 index 000000000000..3b6eb34c43fa --- /dev/null +++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S | |||
@@ -0,0 +1,42 @@ | |||
1 | .text | ||
2 | .globl __kernel_vsyscall | ||
3 | .type __kernel_vsyscall,@function | ||
4 | __kernel_vsyscall: | ||
5 | .LSTART_vsyscall: | ||
6 | /* XXX: We'll have to do something here once we opt to use the vDSO | ||
7 | * page for something other than the signal trampoline.. as well as | ||
8 | * fill out .eh_frame -- PFM. */ | ||
9 | .LEND_vsyscall: | ||
10 | .size __kernel_vsyscall,.-.LSTART_vsyscall | ||
11 | .previous | ||
12 | |||
13 | .section .eh_frame,"a",@progbits | ||
14 | .LCIE: | ||
15 | .ualong .LCIE_end - .LCIE_start | ||
16 | .LCIE_start: | ||
17 | .ualong 0 /* CIE ID */ | ||
18 | .byte 0x1 /* Version number */ | ||
19 | .string "zRS" /* NUL-terminated augmentation string */ | ||
20 | .uleb128 0x1 /* Code alignment factor */ | ||
21 | .sleb128 -4 /* Data alignment factor */ | ||
22 | .byte 0x11 /* Return address register column */ | ||
23 | /* Augmentation length and data (none) */ | ||
24 | .byte 0xc /* DW_CFA_def_cfa */ | ||
25 | .uleb128 0xf /* r15 */ | ||
26 | .uleb128 0x0 /* offset 0 */ | ||
27 | |||
28 | .align 2 | ||
29 | .LCIE_end: | ||
30 | |||
31 | .ualong .LFDE_end-.LFDE_start /* Length FDE */ | ||
32 | .LFDE_start: | ||
33 | .ualong .LCIE /* CIE pointer */ | ||
34 | .ualong .LSTART_vsyscall-. /* start address */ | ||
35 | .ualong .LEND_vsyscall-.LSTART_vsyscall | ||
36 | .uleb128 0 | ||
37 | .align 2 | ||
38 | .LFDE_end: | ||
39 | .previous | ||
40 | |||
41 | /* Get the common code for the sigreturn entry points */ | ||
42 | #include "vsyscall-sigreturn.S" | ||