/* $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 *);