2 * SPDX-License-Identifier: MIT-CMU
4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
7 * Author: Chris G. Demetriou
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 * Carnegie Mellon requests users of this software to return to
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
29 * from: NetBSD: profile.h,v 1.9 1997/04/06 08:47:37 cgd Exp
30 * from: FreeBSD: src/sys/alpha/include/profile.h,v 1.4 1999/12/29
34 #ifndef _MACHINE_PROFILE_H_
35 #define _MACHINE_PROFILE_H_
37 #if !defined(_KERNEL) && !defined(_SYS_CDEFS_H_)
38 #error this file needs sys/cdefs.h as a prerequisite
41 #define FUNCTION_ALIGNMENT 32
43 typedef u_long fptrdiff_t;
47 #include <machine/cpufunc.h>
48 #include <machine/intr_machdep.h>
50 #define _MCOUNT_DECL void mcount
53 #define MCOUNT_DECL(s) register_t s;
54 #define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, PIL_TICK)
55 #define MCOUNT_EXIT(s) wrpr(pil, 0, s)
62 #define MCOUNT_FROMPC_USER(pc) \
63 ((pc < (uintfptr_t)VM_MAXUSER_ADDRESS) ? (uintfptr_t)user : pc)
65 #define MCOUNT_FROMPC_INTR(pc) \
66 ((pc >= (uintfptr_t)btrap && pc < (uintfptr_t)eintr) ? \
67 ((pc >= (uintfptr_t)bintr) ? (uintfptr_t)bintr : \
68 (uintfptr_t)btrap) : ~0UL)
70 void mcount(uintfptr_t frompc, uintfptr_t selfpc);
74 typedef u_long uintfptr_t;
76 #define _MCOUNT_DECL static __inline void __mcount
83 uintfptr_t frompc, selfpc; \
86 * Find the return address for mcount, \
87 * and the return address for mcount's caller. \
89 * selfpc = pc pushed by call to mcount \
91 __asm("add %%o7, 8, %0" : "=r" (selfpc)); \
93 * frompc = pc pushed by call to mcount's caller. \
95 __asm("add %%i7, 8, %0" : "=r" (frompc)); \
96 __mcount(frompc, selfpc); \
98 #else /* !__GNUCLIKE_ASM */
100 #endif /* __GNUCLIKE_ASM */
104 #endif /* !_MACHINE_PROFILE_H_ */