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/* $OpenBSD: pmdb.h,v 1.2 2002/03/15 16:41:06 jason 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/signal.h> /* for NSIG */
#include <sys/queue.h>
#include <sys/ptrace.h>
#include <err.h>
/* XXX - ugh, yuck, bleah. */
#ifndef PT_STEP
#define PT_STEP PT_CONTINUE
#endif
/*
* Process handling.
*/
struct breakpoint;
struct callback;
struct sym_table;
struct sym_ops;
/* XXX - should be machdep some day. */
typedef unsigned long reg;
/* The state for a debugged process. */
struct pstate {
pid_t ps_pid;
enum { NONE, LOADED, RUNNING, STOPPED, TERMINATED } ps_state;
int ps_argc;
char **ps_argv;
int ps_flags;
int ps_signum;
int ps_sigstate[NSIG];
reg ps_npc;
TAILQ_HEAD(,sym_table) ps_syms; /* all symbols tables in a list */
struct sym_table *ps_sym_exe; /* symbol table for the executable */
struct sym_ops *ps_sops; /* operations on symbol tables */
TAILQ_HEAD(,breakpoint) ps_bkpts; /* breakpoints */
TAILQ_HEAD(,callback) ps_sstep_cbs; /* single step actions */
};
/* flags in ps_flags */
#define PSF_SYMBOLS 0x02 /* basic symbols loaded */
#define PSF_KILL 0x04 /* kill this process asap */
#define PSF_STEP 0x08 /* next continue should sstep */
/* ps_sigstate */
#define SS_STOP 0x00
#define SS_IGNORE 0x01
/* misc helper functions */
int process_kill(struct pstate *);
int read_from_pid(pid_t pid, off_t from, void *to, size_t size);
int write_to_pid(pid_t pid, off_t to, void *from, size_t size);
/* process.c */
int process_load(struct pstate *);
int cmd_process_run(int, char **, void *);
int cmd_process_cont(int, char **, void *);
int cmd_process_kill(int, char **, void *);
/* signal.c */
void init_sigstate(struct pstate *);
void process_signal(struct pstate *, int, int, int);
int cmd_signal_ignore(int, char **, void *);
int cmd_signal_show(int, char **, void *);
/*
* Machine dependent stuff.
*/
/* register names */
struct md_def {
const char **md_reg_names; /* array of register names */
const int nregs; /* number of registers */
const int pcoff; /* offset of the pc */
};
extern struct md_def md_def;
void md_def_init(void);
#define MDF_MAX_ARGS 16
struct md_frame {
reg pc, fp;
int nargs;
reg args[MDF_MAX_ARGS];
};
/*
* Return the registers for the process "ps" in the frame "frame".
*/
int md_getframe(struct pstate *, int, struct md_frame *);
int md_getregs(struct pstate *, reg *);
/* misc */
void *emalloc(size_t);
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