74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/*
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* Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _FBT_H
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#define _FBT_H
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#if defined (__x86_64__)
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typedef uint8_t machine_inst_t;
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#elif defined(__arm__)
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typedef uint16_t machine_inst_t;
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#elif defined(__arm64__)
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typedef uint32_t machine_inst_t;
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#else
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#error Unknown Architecture
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#endif
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#define MAX_FBTP_NAME_CHARS 16
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typedef struct fbt_probe {
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struct fbt_probe *fbtp_hashnext;
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machine_inst_t *fbtp_patchpoint;
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int8_t fbtp_rval;
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machine_inst_t fbtp_patchval;
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machine_inst_t fbtp_savedval;
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machine_inst_t fbtp_currentval;
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uintptr_t fbtp_roffset;
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dtrace_id_t fbtp_id;
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/* FIXME!
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* This field appears to only be used in error messages.
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* It puts this structure into the next size bucket in kmem_alloc
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* wasting 32 bytes per probe. (in i386 only)
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*/
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char fbtp_name[MAX_FBTP_NAME_CHARS];
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struct modctl *fbtp_ctl;
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int fbtp_loadcnt;
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struct fbt_probe *fbtp_next;
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} fbt_probe_t;
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extern int dtrace_invop(uintptr_t, uintptr_t *, uintptr_t);
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extern int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);
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extern void fbt_provide_module(void *, struct modctl *);
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extern int fbt_enable (void *arg, dtrace_id_t id, void *parg);
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extern bool fbt_module_excluded(struct modctl*);
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extern bool fbt_excluded(const char *);
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extern void fbt_blacklist_init(void);
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extern void fbt_provide_probe(struct modctl *ctl, const char *modname, const char *name, machine_inst_t *instr, machine_inst_t *limit);
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#endif /* _FBT_H */
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