libproc.h revision 184697 
1/*-
2 * Copyright (c) 2008 John Birrell (jb@freebsd.org)
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/libproc/libproc.h 184697 2008-11-05 19:35:43Z rodrigc $
27 */
28
29#ifndef	_LIBPROC_H_
30#define	_LIBPROC_H_
31
32#include <gelf.h>
33
34struct proc_handle;
35
36typedef void (*proc_child_func)(void *);
37
38/* Values returned by proc_state(). */
39#define PS_IDLE		1
40#define PS_STOP		2
41#define PS_RUN		3
42#define PS_UNDEAD	4
43#define PS_DEAD		5
44#define PS_LOST		6
45
46typedef struct prmap {
47	uintptr_t	pr_vaddr;	/* Virtual address. */
48} prmap_t;
49
50/* Function prototype definitions. */
51__BEGIN_DECLS
52
53const prmap_t *proc_addr2map(struct proc_handle *, uintptr_t);
54const prmap_t *proc_name2map(struct proc_handle *, const char *);
55char	*proc_objname(struct proc_handle *, uintptr_t, char *, size_t);
56int	proc_addr2sym(struct proc_handle *, uintptr_t, char *, size_t, GElf_Sym *);
57int	proc_attach(pid_t pid, int flags, struct proc_handle **pphdl);
58int	proc_continue(struct proc_handle *);
59int	proc_clearflags(struct proc_handle *, int);
60int	proc_create(const char *, char * const *, proc_child_func *, void *,
61	    struct proc_handle **);
62int	proc_detach(struct proc_handle *);
63int	proc_getflags(struct proc_handle *);
64int	proc_name2sym(struct proc_handle *, const char *, const char *, GElf_Sym *);
65int	proc_setflags(struct proc_handle *, int);
66int	proc_state(struct proc_handle *);
67int	proc_wait(struct proc_handle *);
68pid_t	proc_getpid(struct proc_handle *);
69void	proc_free(struct proc_handle *);
70
71__END_DECLS
72
73#endif /* !_LIBPROC_H_ */
74