74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
/* $NetBSD: ksyms.h,v 1.13 2006/11/06 13:35:35 jmmv Exp $ */
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/*
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* Copyright (c) 2001, 2003 Anders Magnusson (ragge@ludd.luth.se).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_KSYMS_H_
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#define _SYS_KSYMS_H_
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/*
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* Do a lookup of a symbol using the in-kernel lookup algorithm.
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*/
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struct ksyms_gsymbol {
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const char *kg_name;
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union {
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void *ku_sym; /* Normally Elf_Sym */
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unsigned long *ku_value;
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} _un;
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#define kg_sym _un.ku_sym
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#define kg_value _un.ku_value
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};
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#define KIOCGSYMBOL _IOW('l', 1, struct ksyms_gsymbol)
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#define KIOCGVALUE _IOW('l', 2, struct ksyms_gsymbol)
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#define KIOCGSIZE _IOR('l', 3, int)
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#ifdef _KERNEL
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/*
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* Definitions used in ksyms_getname() and ksyms_getval().
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*/
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#define KSYMS_CLOSEST 0001 /* Nearest lower match */
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#define KSYMS_EXACT 0002 /* Only exact match allowed */
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#define KSYMS_EXTERN 0000 /* Only external symbols (pseudo) */
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#define KSYMS_PROC 0100 /* Procedures only */
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#define KSYMS_ANY 0200 /* Also local symbols (DDB use only) */
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/*
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* Prototypes
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*/
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int ksyms_getname(const char **, const char **, vaddr_t, int);
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int ksyms_getval(const char *, const char *, unsigned long *, int);
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int ksyms_addsymtab(const char *, void *, vsize_t, char *, vsize_t);
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int ksyms_delsymtab(const char *);
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int ksyms_rensymtab(const char *, const char*);
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void ksyms_init(int, void *, void *);
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void ksyms_init_explicit(caddr_t, caddr_t, size_t, caddr_t, size_t);
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#ifdef DDB
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int ksyms_sift(char *, char *, int);
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#endif
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#endif /* _KERNEL */
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#endif /* _SYS_KSYMS_H_ */
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