1 files changed, 56 insertions, 0 deletions
diff --git a/arch/x86/vdso/vdso32/int80.S b/arch/x86/vdso/vdso32/int80.S
new file mode 100644
index 000000000000..b15b7c01aedb
--- /dev/null
+++ b/arch/x86/vdso/vdso32/int80.S
@@ -0,0 +1,56 @@
+/*
+ * Code for the vDSO.  This version uses the old int $0x80 method.
+ *
+ * First get the common code for the sigreturn entry points.
+ * This must come first.
+ */
+#include "sigreturn.S"
+        .text
+        .globl __kernel_vsyscall
+        .type __kernel_vsyscall,@function
+        ALIGN
+__kernel_vsyscall:
+.LSTART_vsyscall:
+        int $0x80
+        ret
+.LEND_vsyscall:
+        .size __kernel_vsyscall,.-.LSTART_vsyscall
+        .previous
+        .section .eh_frame,"a",@progbits
+.LSTARTFRAMEDLSI:
+        .long .LENDCIEDLSI-.LSTARTCIEDLSI
+.LSTARTCIEDLSI:
+        .long 0                 /* CIE ID */
+        .byte 1                 /* Version number */
+        .string "zR"            /* NUL-terminated augmentation string */
+        .uleb128 1              /* Code alignment factor */
+        .sleb128 -4             /* Data alignment factor */
+        .byte 8                 /* Return address register column */
+        .uleb128 1              /* Augmentation value length */
+        .byte 0x1b              /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
+        .byte 0x0c              /* DW_CFA_def_cfa */
+        .uleb128 4
+        .uleb128 4
+        .byte 0x88              /* DW_CFA_offset, column 0x8 */
+        .uleb128 1
+        .align 4
+.LENDCIEDLSI:
+        .long .LENDFDEDLSI-.LSTARTFDEDLSI /* Length FDE */
+.LSTARTFDEDLSI:
+        .long .LSTARTFDEDLSI-.LSTARTFRAMEDLSI /* CIE pointer */
+        .long .LSTART_vsyscall-.        /* PC-relative start address */
+        .long .LEND_vsyscall-.LSTART_vsyscall
+        .uleb128 0
+        .align 4
+.LENDFDEDLSI:
+        .previous
+        /*
+         * Pad out the segment to match the size of the sysenter.S version.
+         */
+VDSO32_vsyscall_eh_frame_size = 0x40
+        .section .data,"aw",@progbits
+        .space VDSO32_vsyscall_eh_frame_size-(.LENDFDEDLSI-.LSTARTFRAMEDLSI), 0
+        .previous

diff --git a/arch/x86/vdso/vdso32/int80.S b/arch/x86/vdso/vdso32/int80.S new file mode 100644 index 000000000000..b15b7c01aedb --- /dev/null +++ b/arch/x86/vdso/vdso32/int80.S
@@ -0,0 +1,56 @@
	1	/*
	2	* Code for the vDSO. This version uses the old int $0x80 method.
	3	*
	4	* First get the common code for the sigreturn entry points.
	5	* This must come first.
	6	*/
	7	#include "sigreturn.S"
	8
	9	.text
	10	.globl __kernel_vsyscall
	11	.type __kernel_vsyscall,@function
	12	ALIGN
	13	__kernel_vsyscall:
	14	.LSTART_vsyscall:
	15	int $0x80
	16	ret
	17	.LEND_vsyscall:
	18	.size __kernel_vsyscall,.-.LSTART_vsyscall
	19	.previous
	20
	21	.section .eh_frame,"a",@progbits
	22	.LSTARTFRAMEDLSI:
	23	.long .LENDCIEDLSI-.LSTARTCIEDLSI
	24	.LSTARTCIEDLSI:
	25	.long 0 /* CIE ID */
	26	.byte 1 /* Version number */
	27	.string "zR" /* NUL-terminated augmentation string */
	28	.uleb128 1 /* Code alignment factor */
	29	.sleb128 -4 /* Data alignment factor */
	30	.byte 8 /* Return address register column */
	31	.uleb128 1 /* Augmentation value length */
	32	.byte 0x1b /* DW_EH_PE_pcrel\|DW_EH_PE_sdata4. */
	33	.byte 0x0c /* DW_CFA_def_cfa */
	34	.uleb128 4
	35	.uleb128 4
	36	.byte 0x88 /* DW_CFA_offset, column 0x8 */
	37	.uleb128 1
	38	.align 4
	39	.LENDCIEDLSI:
	40	.long .LENDFDEDLSI-.LSTARTFDEDLSI /* Length FDE */
	41	.LSTARTFDEDLSI:
	42	.long .LSTARTFDEDLSI-.LSTARTFRAMEDLSI /* CIE pointer */
	43	.long .LSTART_vsyscall-. /* PC-relative start address */
	44	.long .LEND_vsyscall-.LSTART_vsyscall
	45	.uleb128 0
	46	.align 4
	47	.LENDFDEDLSI:
	48	.previous
	49
	50	/*
	51	* Pad out the segment to match the size of the sysenter.S version.
	52	*/
	53	VDSO32_vsyscall_eh_frame_size = 0x40
	54	.section .data,"aw",@progbits
	55	.space VDSO32_vsyscall_eh_frame_size-(.LENDFDEDLSI-.LSTARTFRAMEDLSI), 0
	56	.previous