xref: /freebsd/lib/libproc/libproc.h (revision 7aa383846770374466b1dcb2cefd71bde9acf463)
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  * $FreeBSD$
27  */
28 
29 #ifndef	_LIBPROC_H_
30 #define	_LIBPROC_H_
31 
32 #include <gelf.h>
33 
34 struct proc_handle;
35 
36 typedef 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 
46 typedef struct prmap {
47 	uintptr_t	pr_vaddr;	/* Virtual address. */
48 } prmap_t;
49 
50 /* Function prototype definitions. */
51 __BEGIN_DECLS
52 
53 const prmap_t *proc_addr2map(struct proc_handle *, uintptr_t);
54 const prmap_t *proc_name2map(struct proc_handle *, const char *);
55 char	*proc_objname(struct proc_handle *, uintptr_t, char *, size_t);
56 int	proc_addr2sym(struct proc_handle *, uintptr_t, char *, size_t, GElf_Sym *);
57 int	proc_attach(pid_t pid, int flags, struct proc_handle **pphdl);
58 int	proc_continue(struct proc_handle *);
59 int	proc_clearflags(struct proc_handle *, int);
60 int	proc_create(const char *, char * const *, proc_child_func *, void *,
61 	    struct proc_handle **);
62 int	proc_detach(struct proc_handle *);
63 int	proc_getflags(struct proc_handle *);
64 int	proc_name2sym(struct proc_handle *, const char *, const char *, GElf_Sym *);
65 int	proc_setflags(struct proc_handle *, int);
66 int	proc_state(struct proc_handle *);
67 int	proc_wait(struct proc_handle *);
68 pid_t	proc_getpid(struct proc_handle *);
69 void	proc_free(struct proc_handle *);
70 
71 __END_DECLS
72 
73 #endif /* !_LIBPROC_H_ */
74