Deleted Added
full compact
getcontext.S (119727) getcontext.S (184547)
1/*-
2 * Copyright (c) 2003 Peter Wemm <peter@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <machine/asm.h>
1/*-
2 * Copyright (c) 2003 Peter Wemm <peter@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <machine/asm.h>
28__FBSDID("$FreeBSD: head/lib/libc/amd64/sys/getcontext.S 119727 2003-09-04 00:31:45Z peter $");
28__FBSDID("$FreeBSD: head/lib/libc/amd64/sys/getcontext.S 184547 2008-11-02 01:10:54Z peter $");
29
30#include <SYS.h>
31
32/*
33 * This has to be magic to handle the multiple returns.
34 * Otherwise, the setcontext() syscall will return here and we'll
35 * pop off the return address and go to the *setcontext* call.
36 */

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47 jmp *%rsi /* restore return address */
481:
49#ifdef PIC
50 movq PIC_GOT(HIDENAME(cerror)),%rdx
51 jmp *%rdx
52#else
53 jmp HIDENAME(cerror)
54#endif
29
30#include <SYS.h>
31
32/*
33 * This has to be magic to handle the multiple returns.
34 * Otherwise, the setcontext() syscall will return here and we'll
35 * pop off the return address and go to the *setcontext* call.
36 */

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47 jmp *%rsi /* restore return address */
481:
49#ifdef PIC
50 movq PIC_GOT(HIDENAME(cerror)),%rdx
51 jmp *%rdx
52#else
53 jmp HIDENAME(cerror)
54#endif
55END(__sys_getcontext)