procfs_fpregs.c (90361) | procfs_fpregs.c (90716) |
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1/* | 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 * 9 * Redistribution and use in source and binary forms, with or without --- 22 unchanged lines hidden (view full) --- 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)procfs_fpregs.c 8.2 (Berkeley) 6/15/94 38 * 39 * From: | 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 * 9 * Redistribution and use in source and binary forms, with or without --- 22 unchanged lines hidden (view full) --- 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)procfs_fpregs.c 8.2 (Berkeley) 6/15/94 38 * 39 * From: |
40 * $FreeBSD: head/sys/fs/procfs/procfs_fpregs.c 90361 2002-02-07 20:58:47Z julian $ | 40 * $Id: procfs_regs.c,v 3.2 1993/12/15 09:40:17 jsp Exp $ 41 * $FreeBSD: head/sys/fs/procfs/procfs_fpregs.c 90716 2002-02-16 05:38:07Z bde $ |
41 */ 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/lock.h> 46#include <sys/mutex.h> 47#include <sys/proc.h> 48#include <sys/ptrace.h> --- 8 unchanged lines hidden (view full) --- 57procfs_doprocfpregs(PFS_FILL_ARGS) 58{ 59 int error; 60 struct fpreg r; 61 char *kv; 62 int kl; 63 64 if (p_candebug(td->td_proc, p)) | 42 */ 43 44#include <sys/param.h> 45#include <sys/systm.h> 46#include <sys/lock.h> 47#include <sys/mutex.h> 48#include <sys/proc.h> 49#include <sys/ptrace.h> --- 8 unchanged lines hidden (view full) --- 58procfs_doprocfpregs(PFS_FILL_ARGS) 59{ 60 int error; 61 struct fpreg r; 62 char *kv; 63 int kl; 64 65 if (p_candebug(td->td_proc, p)) |
65 return EPERM; | 66 return (EPERM); |
66 kl = sizeof(r); 67 kv = (char *) &r; 68 69 kv += uio->uio_offset; 70 kl -= uio->uio_offset; 71 if (kl > uio->uio_resid) 72 kl = uio->uio_resid; 73 74 PHOLD(p); | 67 kl = sizeof(r); 68 kv = (char *) &r; 69 70 kv += uio->uio_offset; 71 kl -= uio->uio_offset; 72 if (kl > uio->uio_resid) 73 kl = uio->uio_resid; 74 75 PHOLD(p); |
75 | |
76 if (kl < 0) 77 error = EINVAL; 78 else | 76 if (kl < 0) 77 error = EINVAL; 78 else |
79 /* XXXKSE: */ |
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79 error = proc_read_fpregs(FIRST_THREAD_IN_PROC(p), &r); 80 if (error == 0) 81 error = uiomove(kv, kl, uio); 82 if (error == 0 && uio->uio_rw == UIO_WRITE) { 83 if (p->p_stat != SSTOP) 84 error = EBUSY; 85 else | 80 error = proc_read_fpregs(FIRST_THREAD_IN_PROC(p), &r); 81 if (error == 0) 82 error = uiomove(kv, kl, uio); 83 if (error == 0 && uio->uio_rw == UIO_WRITE) { 84 if (p->p_stat != SSTOP) 85 error = EBUSY; 86 else |
87 /* XXXKSE: */ |
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86 error = proc_write_fpregs(FIRST_THREAD_IN_PROC(p), &r); 87 } 88 PRELE(p); 89 90 uio->uio_offset = 0; 91 return (error); 92} | 88 error = proc_write_fpregs(FIRST_THREAD_IN_PROC(p), &r); 89 } 90 PRELE(p); 91 92 uio->uio_offset = 0; 93 return (error); 94} |