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procfs_regs.c (168758) procfs_regs.c (189282)
1/*-
2 * Copyright (c) 1993 Jan-Simon Pendry
3 * Copyright (c) 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

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29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)procfs_regs.c 8.4 (Berkeley) 6/15/94
34 *
35 * From:
36 * $Id: procfs_regs.c,v 3.2 1993/12/15 09:40:17 jsp Exp $
1/*-
2 * Copyright (c) 1993 Jan-Simon Pendry
3 * Copyright (c) 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Jan-Simon Pendry.
8 *

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29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)procfs_regs.c 8.4 (Berkeley) 6/15/94
34 *
35 * From:
36 * $Id: procfs_regs.c,v 3.2 1993/12/15 09:40:17 jsp Exp $
37 * $FreeBSD: head/sys/fs/procfs/procfs_regs.c 168758 2007-04-15 13:24:03Z des $
37 * $FreeBSD: head/sys/fs/procfs/procfs_regs.c 189282 2009-03-02 18:43:50Z kib $
38 */
39
40#include "opt_compat.h"
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/lock.h>
45#include <sys/mutex.h>
46#include <sys/proc.h>
47#include <sys/ptrace.h>
38 */
39
40#include "opt_compat.h"
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/lock.h>
45#include <sys/mutex.h>
46#include <sys/proc.h>
47#include <sys/ptrace.h>
48#include <sys/sysent.h>
48#include <sys/uio.h>
49
50#include <machine/reg.h>
51
52#include <fs/pseudofs/pseudofs.h>
53#include <fs/procfs/procfs.h>
54
55#ifdef COMPAT_IA32
56#include <sys/procfs.h>
57#include <machine/fpu.h>
58#include <compat/ia32/ia32_reg.h>
59
49#include <sys/uio.h>
50
51#include <machine/reg.h>
52
53#include <fs/pseudofs/pseudofs.h>
54#include <fs/procfs/procfs.h>
55
56#ifdef COMPAT_IA32
57#include <sys/procfs.h>
58#include <machine/fpu.h>
59#include <compat/ia32/ia32_reg.h>
60
60extern struct sysentvec ia32_freebsd_sysvec;
61/*
62 * PROC(write, regs, td2, &r) becomes
63 * proc_write_regs(td2, &r) or
64 * proc_write_regs32(td2, &r32)
65 *
66 * UIOMOVE_FROMBUF(r, uio) becomes
67 * uiomove_frombuf(&r, sizeof(r), uio) or
68 * uiomove_frombuf(&r32, sizeof(r32), uio)

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97 if (p_candebug(td, p)) {
98 PROC_UNLOCK(p);
99 return (EPERM);
100 }
101
102 /* XXXKSE: */
103 td2 = FIRST_THREAD_IN_PROC(p);
104#ifdef COMPAT_IA32
61/*
62 * PROC(write, regs, td2, &r) becomes
63 * proc_write_regs(td2, &r) or
64 * proc_write_regs32(td2, &r32)
65 *
66 * UIOMOVE_FROMBUF(r, uio) becomes
67 * uiomove_frombuf(&r, sizeof(r), uio) or
68 * uiomove_frombuf(&r32, sizeof(r32), uio)

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97 if (p_candebug(td, p)) {
98 PROC_UNLOCK(p);
99 return (EPERM);
100 }
101
102 /* XXXKSE: */
103 td2 = FIRST_THREAD_IN_PROC(p);
104#ifdef COMPAT_IA32
105 if (td->td_proc->p_sysent == &ia32_freebsd_sysvec) {
106 if (td2->td_proc->p_sysent != &ia32_freebsd_sysvec) {
105 if (SV_CURPROC_FLAG(SV_ILP32)) {
106 if ((td2->td_proc->p_sysent->sv_flags & SV_ILP32) == 0) {
107 PROC_UNLOCK(p);
108 return (EINVAL);
109 }
110 wrap32 = 1;
111 }
112#endif
113 error = PROC(read, regs, td2, &r);
114 if (error == 0) {

--- 15 unchanged lines hidden --- 		107 PROC_UNLOCK(p);
108 return (EINVAL);
109 }
110 wrap32 = 1;
111 }
112#endif
113 error = PROC(read, regs, td2, &r);
114 if (error == 0) {

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