diff options
Diffstat (limited to 'kern/xpr.h')
| -rw-r--r-- | kern/xpr.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/kern/xpr.h b/kern/xpr.h new file mode 100644 index 00000000..5a95555f --- /dev/null +++ b/kern/xpr.h @@ -0,0 +1,101 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 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. + */ +/* + * Include file for xpr circular buffer silent tracing. + * + */ +/* + * If the kernel flag XPRDEBUG is set, the XPR macro is enabled. The + * macro should be invoked something like the following: + * XPR(XPR_SYSCALLS, ("syscall: %d, 0x%x\n", syscallno, arg1); + * which will expand into the following code: + * if (xprflags & XPR_SYSCALLS) + * xpr("syscall: %d, 0x%x\n", syscallno, arg1); + * Xpr will log the pointer to the printf string and up to 6 arguements, + * along with a timestamp and cpuinfo (for multi-processor systems), into + * a circular buffer. The actual printf processing is delayed until after + * the buffer has been collected. It is assumed that the text/data segments + * of the kernel can easily be reconstructed in a post-processor which + * performs the printf processing. + * + * If the XPRDEBUG compilation switch is not set, the XPR macro expands + * to nothing. + */ + +#ifndef _KERN_XPR_H_ +#define _KERN_XPR_H_ + +#ifdef KERNEL +#include <xpr_debug.h> +#else KERNEL +#include <sys/features.h> +#endif KERNEL + +#include <machine/xpr.h> + +#if XPR_DEBUG + +#define XPR(flags,xprargs) if(xprflags&flags) xpr xprargs + +extern int xprflags; +/* + * flags for message types. + */ +#define XPR_SYSCALLS 0x00000001 +#define XPR_TRAPS 0x00000002 +#define XPR_SCHED 0x00000004 +#define XPR_NPTCP 0x00000008 +#define XPR_NP 0x00000010 +#define XPR_TCP 0x00000020 + +#define XPR_VM_OBJECT (1 << 8) +#define XPR_VM_OBJECT_CACHE (1 << 9) +#define XPR_VM_PAGE (1 << 10) +#define XPR_VM_PAGEOUT (1 << 11) +#define XPR_MEMORY_OBJECT (1 << 12) +#define XPR_VM_FAULT (1 << 13) +#define XPR_INODE_PAGER (1 << 14) +#define XPR_INODE_PAGER_DATA (1 << 15) + +#else XPR_DEBUG +#define XPR(flags,xprargs) +#endif XPR_DEBUG + +struct xprbuf { + char *msg; + int arg1,arg2,arg3,arg4,arg5; + int timestamp; + int cpuinfo; +}; + +#ifndef WANT_PROTOTYPES +extern void xpr(); +#endif +extern void xpr_dump(); +extern void xprinit(); +extern void xprbootstrap(); + +#endif _KERN_XPR_H_ |