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Fix LP64BE bug.

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This commit is contained in:
eeh 2000-07-28 04:21:26 +00:00
parent 1048b82bf1
commit 2152b574c0
1 changed files with 11 additions and 7 deletions
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18
sys/kern/sys_process.c
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@ -1,4 +1,4 @@
/* $NetBSD: sys_process.c,v 1.62 2000/06/27 17:41:36 mrg Exp $ */ /* $NetBSD: sys_process.c,v 1.63 2000/07/28 04:21:26 eeh Exp $ */
/*- /*-
* Copyright (c) 1994 Christopher G. Demetriou. All rights reserved. * Copyright (c) 1994 Christopher G. Demetriou. All rights reserved.
@ -92,7 +92,7 @@ sys_ptrace(p, v, retval)
struct proc *t; /* target process */ struct proc *t; /* target process */
struct uio uio; struct uio uio;
struct iovec iov; struct iovec iov;
int error, write; int error, write, tmp;
/* "A foolish consistency..." XXX */ /* "A foolish consistency..." XXX */
if (SCARG(uap, req) == PT_TRACE_ME) if (SCARG(uap, req) == PT_TRACE_ME)
@ -210,6 +210,7 @@ sys_ptrace(p, v, retval)
/* Now do the operation. */ /* Now do the operation. */
write = 0; write = 0;
*retval = 0; *retval = 0;
tmp = 0;
switch (SCARG(uap, req)) { switch (SCARG(uap, req)) {
case PT_TRACE_ME: case PT_TRACE_ME:
@ -221,20 +222,23 @@ sys_ptrace(p, v, retval)
case PT_WRITE_I: /* XXX no seperate I and D spaces */ case PT_WRITE_I: /* XXX no seperate I and D spaces */
case PT_WRITE_D: case PT_WRITE_D:
write = 1; write = 1;
tmp = SCARG(uap, data);
case PT_READ_I: /* XXX no seperate I and D spaces */ case PT_READ_I: /* XXX no seperate I and D spaces */
case PT_READ_D: case PT_READ_D:
/* write = 0 done above. */ /* write = 0 done above. */
iov.iov_base = iov.iov_base = (caddr_t)&tmp;
write ? (caddr_t)&SCARG(uap, data) : (caddr_t)retval; iov.iov_len = sizeof(tmp);
iov.iov_len = sizeof(int);
uio.uio_iov = &iov; uio.uio_iov = &iov;
uio.uio_iovcnt = 1; uio.uio_iovcnt = 1;
uio.uio_offset = (off_t)(long)SCARG(uap, addr); uio.uio_offset = (off_t)(long)SCARG(uap, addr);
uio.uio_resid = sizeof(int); uio.uio_resid = sizeof(tmp);
uio.uio_segflg = UIO_SYSSPACE; uio.uio_segflg = UIO_SYSSPACE;
uio.uio_rw = write ? UIO_WRITE : UIO_READ; uio.uio_rw = write ? UIO_WRITE : UIO_READ;
uio.uio_procp = p; uio.uio_procp = p;
return (procfs_domem(p, t, NULL, &uio)); error = procfs_domem(p, t, NULL, &uio);
if (!write)
*retval = tmp;
return (error);
#ifdef PT_STEP #ifdef PT_STEP
case PT_STEP: case PT_STEP: