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- /*
- * Mach Operating System
- * Copyright (c) 1993 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
- /*
- * HISTORY
- * Revision 1.1.1.1 1997/02/25 21:28:25 thomas
- * Initial source
- *
- * Revision 1.1.1.1 1996/10/30 01:38:13 thomas
- * Imported from UK22
- *
- * Revision 1.1 1994/11/02 02:24:15 law
- * Initial revision
- *
- * Revision 2.2 93/11/17 19:06:01 dbg
- * Moved kernel internal definitions here from mach/pc_sample.h.
- * [93/09/24 dbg]
- *
- */
- /*
- * Kernel definitions for PC sampling.
- */
- #ifndef _KERN_PC_SAMPLE_H_
- #define _KERN_PC_SAMPLE_H_
- #include <mach/pc_sample.h>
- #include <mach/machine/vm_types.h>
- #include <kern/kern_types.h>
- #include <kern/macros.h>
- /*
- * Control structure for sampling, included in
- * threads and tasks. If sampletypes is 0, no
- * sampling is done.
- */
- struct sample_control {
- vm_offset_t buffer;
- unsigned int seqno;
- sampled_pc_flavor_t sampletypes;
- };
- typedef struct sample_control sample_control_t;
- /*
- * Routines to take PC samples.
- */
- extern void take_pc_sample(
- thread_t thread,
- sample_control_t *cp,
- sampled_pc_flavor_t flavor,
- boolean_t usermode,
- vm_offset_t pc);
- /*
- * Macro to do quick flavor check for sampling,
- * on both threads and tasks.
- */
- #define take_pc_sample_macro(thread, flavor, usermode, pc) \
- MACRO_BEGIN \
- task_t task; \
- \
- if ((thread)->pc_sample.sampletypes & (flavor)) \
- take_pc_sample((thread), &(thread)->pc_sample, (flavor), usermode, pc); \
- \
- task = (thread)->task; \
- if (task->pc_sample.sampletypes & (flavor)) \
- take_pc_sample((thread), &task->pc_sample, (flavor), usermode, pc); \
- MACRO_END
- #endif /* _KERN_PC_SAMPLE_H_ */
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