simplesim-3.0/symbol.h

148 lines
5.2 KiB
C

/* symbol.h - program symbol and line data interfaces */
/* SimpleScalar(TM) Tool Suite
* Copyright (C) 1994-2003 by Todd M. Austin, Ph.D. and SimpleScalar, LLC.
* All Rights Reserved.
*
* THIS IS A LEGAL DOCUMENT, BY USING SIMPLESCALAR,
* YOU ARE AGREEING TO THESE TERMS AND CONDITIONS.
*
* No portion of this work may be used by any commercial entity, or for any
* commercial purpose, without the prior, written permission of SimpleScalar,
* LLC (info@simplescalar.com). Nonprofit and noncommercial use is permitted
* as described below.
*
* 1. SimpleScalar is provided AS IS, with no warranty of any kind, express
* or implied. The user of the program accepts full responsibility for the
* application of the program and the use of any results.
*
* 2. Nonprofit and noncommercial use is encouraged. SimpleScalar may be
* downloaded, compiled, executed, copied, and modified solely for nonprofit,
* educational, noncommercial research, and noncommercial scholarship
* purposes provided that this notice in its entirety accompanies all copies.
* Copies of the modified software can be delivered to persons who use it
* solely for nonprofit, educational, noncommercial research, and
* noncommercial scholarship purposes provided that this notice in its
* entirety accompanies all copies.
*
* 3. ALL COMMERCIAL USE, AND ALL USE BY FOR PROFIT ENTITIES, IS EXPRESSLY
* PROHIBITED WITHOUT A LICENSE FROM SIMPLESCALAR, LLC (info@simplescalar.com).
*
* 4. No nonprofit user may place any restrictions on the use of this software,
* including as modified by the user, by any other authorized user.
*
* 5. Noncommercial and nonprofit users may distribute copies of SimpleScalar
* in compiled or executable form as set forth in Section 2, provided that
* either: (A) it is accompanied by the corresponding machine-readable source
* code, or (B) it is accompanied by a written offer, with no time limit, to
* give anyone a machine-readable copy of the corresponding source code in
* return for reimbursement of the cost of distribution. This written offer
* must permit verbatim duplication by anyone, or (C) it is distributed by
* someone who received only the executable form, and is accompanied by a
* copy of the written offer of source code.
*
* 6. SimpleScalar was developed by Todd M. Austin, Ph.D. The tool suite is
* currently maintained by SimpleScalar LLC (info@simplescalar.com). US Mail:
* 2395 Timbercrest Court, Ann Arbor, MI 48105.
*
* Copyright (C) 1994-2003 by Todd M. Austin, Ph.D. and SimpleScalar, LLC.
*/
#ifndef SYMBOL_H
#define SYMBOL_H
#include <stdio.h>
#include "host.h"
#include "misc.h"
#include "machine.h"
enum sym_seg_t {
ss_data, /* data segment symbol */
ss_text, /* text segment symbol */
ss_NUM
};
/* internal program symbol format */
struct sym_sym_t {
char *name; /* symbol name */
enum sym_seg_t seg; /* symbol segment */
int initialized; /* initialized? (if data segment) */
int pub; /* externally visible? */
int local; /* compiler local symbol? */
md_addr_t addr; /* symbol address value */
int size; /* bytes to next symbol */
};
/* symbol database in no particular order */
extern struct sym_sym_t *sym_db;
/* all symbol sorted by address */
extern int sym_nsyms;
extern struct sym_sym_t **sym_syms;
/* all symbols sorted by name */
extern struct sym_sym_t **sym_syms_by_name;
/* text symbols sorted by address */
extern int sym_ntextsyms;
extern struct sym_sym_t **sym_textsyms;
/* text symbols sorted by name */
extern struct sym_sym_t **sym_textsyms_by_name;
/* data symbols sorted by address */
extern int sym_ndatasyms;
extern struct sym_sym_t **sym_datasyms;
/* data symbols sorted by name */
extern struct sym_sym_t **sym_datasyms_by_name;
/* load symbols out of FNAME */
void
sym_loadsyms(char *fname, /* file name containing symbols */
int load_locals); /* load local symbols */
/* dump symbol SYM to output stream FD */
void
sym_dumpsym(struct sym_sym_t *sym, /* symbol to display */
FILE *fd); /* output stream */
/* dump all symbols to output stream FD */
void
sym_dumpsyms(FILE *fd); /* output stream */
/* dump all symbol state to output stream FD */
void
sym_dumpstate(FILE *fd); /* output stream */
/* symbol databases available */
enum sym_db_t {
sdb_any, /* search all symbols */
sdb_text, /* search text symbols */
sdb_data, /* search data symbols */
sdb_NUM
};
/* bind address ADDR to a symbol in symbol database DB, the address must
match exactly if EXACT is non-zero, the index of the symbol in the
requested symbol database is returned in *PINDEX if the pointer is
non-NULL */
struct sym_sym_t * /* symbol found, or NULL */
sym_bind_addr(md_addr_t addr, /* address of symbol to locate */
int *pindex, /* ptr to index result var */
int exact, /* require exact address match? */
enum sym_db_t db); /* symbol database to search */
/* bind name NAME to a symbol in symbol database DB, the index of the symbol
in the requested symbol database is returned in *PINDEX if the pointer is
non-NULL */
struct sym_sym_t * /* symbol found, or NULL */
sym_bind_name(char *name, /* symbol name to locate */
int *pindex, /* ptr to index result var */
enum sym_db_t db); /* symbol database to search */
#endif /* SYMBOL_H */