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/* $OpenBSD: symbol.h,v 1.4 2002/03/15 18:04:41 art Exp $ */
/*
* Copyright (c) 2002 Artur Grabowski <art@openbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
struct sym_table {
TAILQ_ENTRY(sym_table) st_list;
char st_fname[MAXPATHLEN];
int st_flags;
reg st_offs;
};
/* Flags in st_flags */
#define ST_EXEC 0x01 /* this is the executable */
struct sym_ops {
struct sym_table *(*sop_open)(const char *);
void (*sop_close)(struct sym_table *);
char *(*sop_name_and_off)(struct sym_table *, reg, reg *);
int (*sop_lookup)(struct pstate *, const char *, reg *);
void (*sop_update)(struct pstate *);
};
void sym_init_exec(struct pstate *, const char *);
void sym_destroy(struct pstate *);
void sym_update(struct pstate *);
char *sym_name_and_offset(struct pstate *, reg, char *, size_t, reg *);
int sym_lookup(struct pstate *, const char *, reg *);
char *sym_print(struct pstate *, reg, char *, size_t);
/* Internal for symbol handlers only. */
struct sym_table *st_open(struct pstate *, const char *, reg);
#ifdef PMDB_ELF
int sym_check_elf(const char *, struct pstate *);
#endif
#ifdef PMDB_AOUT
int sym_check_aout(const char *, struct pstate *);
#endif
int cmd_sym_load(int, char **, void *);
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