/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * 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 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
#include <kern/task.h>
#include <kern/thread.h>
-#include <mach/machine/thread_status.h>
/* Macros to clear/set/test flags. */
#define ISSET(t, f) ((t) & (f))
extern thread_t port_name_to_thread(mach_port_name_t port_name);
-extern kern_return_t thread_getstatus(thread_t thread, int flavor, thread_state_t tstate, mach_msg_type_number_t *count);
extern thread_t get_firstthread(task_t);
-#if defined (ppc)
-extern kern_return_t thread_setstatus(thread_t thread, int flavor, thread_state_t tstate, mach_msg_type_number_t count);
-#endif
/*
* sys-trace system call.
task_t task;
thread_t th_act;
struct uthread *ut;
- int *locr0;
-#if defined(ppc)
- struct ppc_thread_state64 statep;
-#elif defined(i386)
- struct i386_saved_state statep;
-#else
-#error architecture not supported
-#endif
- unsigned long state_count;
int tr_sigexc = 0;
AUDIT_ARG(cmd, uap->req);
th_act = (thread_t)get_firstthread(task);
if (th_act == THREAD_NULL)
goto errorLabel;
- ut = (uthread_t)get_bsdthread_info(th_act);
- locr0 = ut->uu_ar0;
-#if defined(i386)
- state_count = i386_NEW_THREAD_STATE_COUNT;
- if (thread_getstatus(th_act, i386_NEW_THREAD_STATE, &statep, &state_count) != KERN_SUCCESS) {
- goto errorLabel;
- }
-#elif defined(ppc)
- state_count = PPC_THREAD_STATE64_COUNT;
- if (thread_getstatus(th_act, PPC_THREAD_STATE64, (thread_state_t)&statep, (mach_msg_type_number_t *)&state_count) != KERN_SUCCESS) {
- goto errorLabel;
- }
-#else
-#error architecture not supported
-#endif
+
if (uap->addr != (user_addr_t)1) {
-#if defined(i386)
- locr0[PC] = (int)uap->addr;
-#elif defined(ppc)
+#if defined(ppc)
#define ALIGNED(addr,size) (((unsigned)(addr)&((size)-1))==0)
- if (!ALIGNED((int)uap->addr, sizeof(int)))
- return (ERESTART);
-
- statep.srr0 = uap->addr;
- state_count = PPC_THREAD_STATE64_COUNT;
- if (thread_setstatus(th_act, PPC_THREAD_STATE64, (thread_state_t)&statep, state_count) != KERN_SUCCESS) {
- goto errorLabel;
- }
+ if (!ALIGNED((int)uap->addr, sizeof(int)))
+ return (ERESTART);
#undef ALIGNED
-#else
-#error architecture not implemented!
#endif
- } /* uap->addr != (user_addr_t)1 */
+ thread_setentrypoint(th_act, uap->addr);
+ }
if ((unsigned)uap->data >= NSIG)
goto errorLabel;
if (uap->data != 0) {
psignal_lock(t, uap->data, 0);
}
-#if defined(ppc)
- state_count = PPC_THREAD_STATE64_COUNT;
- if (thread_getstatus(th_act, PPC_THREAD_STATE64, (thread_state_t)&statep, (mach_msg_type_number_t *)&state_count) != KERN_SUCCESS) {
- goto errorLabel;
- }
-#endif
-
-#define MSR_SE_BIT 21
if (uap->req == PT_STEP) {
-#if defined(i386)
- locr0[PS] |= PSL_T;
-#elif defined(ppc)
- statep.srr1 |= MASK(MSR_SE);
-#else
-#error architecture not implemented!
-#endif
- } /* uap->req == PT_STEP */
- else { /* PT_CONTINUE - clear trace bit if set */
-#if defined(i386)
- locr0[PS] &= ~PSL_T;
-#elif defined(ppc)
- statep.srr1 &= ~MASK(MSR_SE);
-#endif
+ /*
+ * set trace bit
+ */
+ thread_setsinglestep(th_act, 1);
+ } else {
+ /*
+ * clear trace bit if on
+ */
+ thread_setsinglestep(th_act, 0);
}
-#if defined (ppc)
- state_count = PPC_THREAD_STATE64_COUNT;
- if (thread_setstatus(th_act, PPC_THREAD_STATE64, (thread_state_t)&statep, state_count) != KERN_SUCCESS) {
- goto errorLabel;
- }
-#endif
resume:
t->p_xstat = uap->data;
t->p_stat = SRUN;
projects / apple / xnu.git / blobdiff