/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ *
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
*/
#include <kern/task.h>
struct proc *proc;
struct sysent *callp;
int error;
- unsigned short code;
+ unsigned int code;
boolean_t flavor;
int funnel_type;
unsigned int cancel_enable;
kauth_cred_rele(old);
}
+ uthread->uu_ar0 = (int *)regs;
+
callp = (code >= nsysent) ? &sysent[63] : &sysent[code];
if (callp->sy_narg != 0) {
struct uthread *uthread;
struct proc *proc;
struct savearea *regs;
- unsigned short code;
+ unsigned int code;
struct sysent *callp;
+ int funnel_type;
unsigned int cancel_enable;
thread_act = current_thread();
/* NOTREACHED */
}
+/*
+ * Time of day and interval timer support.
+ *
+ * These routines provide the kernel entry points to get and set
+ * the time-of-day and per-process interval timers. Subroutines
+ * here provide support for adding and subtracting timeval structures
+ * and decrementing interval timers, optionally reloading the interval
+ * timers when they expire.
+ */
+/* NOTE THIS implementation is for ppc architectures only.
+ * It is infrequently called, since the commpage intercepts
+ * most calls in user mode.
+ *
+ * XXX Y2038 bug because of assumed return of 32 bit seconds value, and
+ * XXX first parameter to clock_gettimeofday()
+ */
+int
+ppc_gettimeofday(__unused struct proc *p,
+ register struct ppc_gettimeofday_args *uap,
+ register_t *retval)
+{
+ int error = 0;
+ extern lck_spin_t * tz_slock;
+
+ if (uap->tp)
+ clock_gettimeofday(&retval[0], &retval[1]);
+
+ if (uap->tzp) {
+ struct timezone ltz;
+
+ lck_spin_lock(tz_slock);
+ ltz = tz;
+ lck_spin_unlock(tz_slock);
+ error = copyout((caddr_t)<z, uap->tzp, sizeof (tz));
+ }
+
+ return (error);
+}
+
#ifdef JOE_DEBUG
joe_debug(char *p) {
printf("%s\n", p);
}
#endif
+
+
+/*
+ * WARNING - this is a temporary workaround for binary compatibility issues
+ * with anti-piracy software that relies on patching ptrace (3928003).
+ * This KPI will be removed in the system release after Tiger.
+ */
+uintptr_t temp_patch_ptrace(uintptr_t new_ptrace)
+{
+ struct sysent * callp;
+ sy_call_t * old_ptrace;
+
+ if (new_ptrace == 0)
+ return(0);
+
+ enter_funnel_section(kernel_flock);
+ callp = &sysent[26];
+ old_ptrace = callp->sy_call;
+
+ /* only allow one patcher of ptrace */
+ if (old_ptrace == (sy_call_t *) ptrace) {
+ callp->sy_call = (sy_call_t *) new_ptrace;
+ }
+ else {
+ old_ptrace = NULL;
+ }
+ exit_funnel_section( );
+
+ return((uintptr_t)old_ptrace);
+}
+
+void temp_unpatch_ptrace(void)
+{
+ struct sysent * callp;
+
+ enter_funnel_section(kernel_flock);
+ callp = &sysent[26];
+ callp->sy_call = (sy_call_t *) ptrace;
+ exit_funnel_section( );
+
+ return;
+}