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getcontextx.c (230864) getcontextx.c (238328)
1/*
2 * Copyright (c) 2011 Konstantin Belousov <kib@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 *

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20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*
2 * Copyright (c) 2011 Konstantin Belousov <kib@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 *

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

20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libc/i386/gen/getcontextx.c 230864 2012-02-01 13:33:53Z kib $");
28__FBSDID("$FreeBSD: head/lib/libc/i386/gen/getcontextx.c 238328 2012-07-10 01:47:11Z davidxu $");
29
30#include <sys/types.h>
31#include <sys/ucontext.h>
32#include <errno.h>
33#include <stdarg.h>
34#include <stdlib.h>
35#include <machine/npx.h>
36#include <machine/specialreg.h>

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63 : "=r" (cpuid_supported) : : "eax", "ecx");
64 if (cpuid_supported) {
65 __asm __volatile(
66 " pushl %%ebx\n"
67 " cpuid\n"
68 " movl %%ebx,%1\n"
69 " popl %%ebx\n"
70 : "=a" (p[0]), "=r" (p[1]), "=c" (p[2]), "=d" (p[3])
29
30#include <sys/types.h>
31#include <sys/ucontext.h>
32#include <errno.h>
33#include <stdarg.h>
34#include <stdlib.h>
35#include <machine/npx.h>
36#include <machine/specialreg.h>

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63 : "=r" (cpuid_supported) : : "eax", "ecx");
64 if (cpuid_supported) {
65 __asm __volatile(
66 " pushl %%ebx\n"
67 " cpuid\n"
68 " movl %%ebx,%1\n"
69 " popl %%ebx\n"
70 : "=a" (p[0]), "=r" (p[1]), "=c" (p[2]), "=d" (p[3])
71 : "0" (0x0));
71 : "0" (0x1));
72 if ((p[2] & CPUID2_OSXSAVE) != 0) {
73 __asm __volatile(
74 " pushl %%ebx\n"
75 " cpuid\n"
76 " movl %%ebx,%1\n"
77 " popl %%ebx\n"
78 : "=a" (p[0]), "=r" (p[1]), "=c" (p[2]),
79 "=d" (p[3])

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72 if ((p[2] & CPUID2_OSXSAVE) != 0) {
73 __asm __volatile(
74 " pushl %%ebx\n"
75 " cpuid\n"
76 " movl %%ebx,%1\n"
77 " popl %%ebx\n"
78 : "=a" (p[0]), "=r" (p[1]), "=c" (p[2]),
79 "=d" (p[3])

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