xnu-1228.tar.gz

[apple/xnu.git] / bsd / sys / fbt.h

diff --git a/bsd/sys/fbt.h b/bsd/sys/fbt.h
new file mode 100644 (file)
index 0000000..8121ebb
--- /dev/null
+++ b/bsd/sys/fbt.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_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_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#ifndef _FBT_H
+#define _FBT_H
+
+#if defined (__ppc__) || defined (__ppc64__)
+typedef uint32_t machine_inst_t;
+#elif defined(__i386__) || defined (__x86_64__)
+typedef uint8_t machine_inst_t;
+#elif defined(__arm__)
+typedef uint32_t machine_inst_t; /* XXX is this correct? Thumb? */
+#else
+#error Unknown Architecture
+#endif
+
+#define MAX_FBTP_NAME_CHARS 16
+
+typedef struct fbt_probe {
+       struct fbt_probe *fbtp_hashnext;
+       machine_inst_t  *fbtp_patchpoint;
+       int8_t                  fbtp_rval;
+       machine_inst_t  fbtp_patchval;
+       machine_inst_t  fbtp_savedval;
+       uintptr_t               fbtp_roffset;
+       dtrace_id_t             fbtp_id;
+       char                    fbtp_name[MAX_FBTP_NAME_CHARS];
+       struct modctl   *fbtp_ctl;
+       int             fbtp_loadcnt;
+       int             fbtp_symndx;
+       int             fbtp_primary;
+       struct fbt_probe *fbtp_next;
+} fbt_probe_t;
+
+extern int dtrace_invop(uintptr_t, uintptr_t *, uintptr_t);
+extern int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);
+extern void fbt_provide_module(void *, struct modctl *);
+
+#endif /* _FBT_H */