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-rw-r--r--arch/x86_64/ia32/vsyscall-sigreturn.S23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/x86_64/ia32/vsyscall-sigreturn.S b/arch/x86_64/ia32/vsyscall-sigreturn.S
index d90321fe9bba..1384367cdbe1 100644
--- a/arch/x86_64/ia32/vsyscall-sigreturn.S
+++ b/arch/x86_64/ia32/vsyscall-sigreturn.S
@@ -32,9 +32,28 @@ __kernel_rt_sigreturn:
32 .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn 32 .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
33 33
34 .section .eh_frame,"a",@progbits 34 .section .eh_frame,"a",@progbits
35.LSTARTFRAMES:
36 .long .LENDCIES-.LSTARTCIES
37.LSTARTCIES:
38 .long 0 /* CIE ID */
39 .byte 1 /* Version number */
40 .string "zRS" /* NUL-terminated augmentation string */
41 .uleb128 1 /* Code alignment factor */
42 .sleb128 -4 /* Data alignment factor */
43 .byte 8 /* Return address register column */
44 .uleb128 1 /* Augmentation value length */
45 .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
46 .byte 0x0c /* DW_CFA_def_cfa */
47 .uleb128 4
48 .uleb128 4
49 .byte 0x88 /* DW_CFA_offset, column 0x8 */
50 .uleb128 1
51 .align 4
52.LENDCIES:
53
35 .long .LENDFDE2-.LSTARTFDE2 /* Length FDE */ 54 .long .LENDFDE2-.LSTARTFDE2 /* Length FDE */
36.LSTARTFDE2: 55.LSTARTFDE2:
37 .long .LSTARTFDE2-.LSTARTFRAME /* CIE pointer */ 56 .long .LSTARTFDE2-.LSTARTFRAMES /* CIE pointer */
38 /* HACK: The dwarf2 unwind routines will subtract 1 from the 57 /* HACK: The dwarf2 unwind routines will subtract 1 from the
39 return address to get an address in the middle of the 58 return address to get an address in the middle of the
40 presumed call instruction. Since we didn't get here via 59 presumed call instruction. Since we didn't get here via
@@ -97,7 +116,7 @@ __kernel_rt_sigreturn:
97 116
98 .long .LENDFDE3-.LSTARTFDE3 /* Length FDE */ 117 .long .LENDFDE3-.LSTARTFDE3 /* Length FDE */
99.LSTARTFDE3: 118.LSTARTFDE3:
100 .long .LSTARTFDE3-.LSTARTFRAME /* CIE pointer */ 119 .long .LSTARTFDE3-.LSTARTFRAMES /* CIE pointer */
101 /* HACK: See above wrt unwind library assumptions. */ 120 /* HACK: See above wrt unwind library assumptions. */
102 .long .LSTART_rt_sigreturn-1-. /* PC-relative start address */ 121 .long .LSTART_rt_sigreturn-1-. /* PC-relative start address */
103 .long .LEND_rt_sigreturn-.LSTART_rt_sigreturn+1 122 .long .LEND_rt_sigreturn-.LSTART_rt_sigreturn+1