2 * Copyright (c) 2010 The FreeBSD Foundation
3 * Copyright (c) 2008 John Birrell (jb@freebsd.org)
6 * Portions of this software were developed by Rui Paulo under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 typedef void (*proc_child_func)(void *);
44 /* Values returned by proc_state(). */
52 /* Reason values for proc_detach(). */
53 #define PRELEASE_HANG 1
54 #define PRELEASE_KILL 2
56 typedef struct prmap {
57 uintptr_t pr_vaddr; /* Virtual address. */
58 size_t pr_size; /* Mapping size in bytes */
59 size_t pr_offset; /* Mapping offset in object */
60 char pr_mapname[PATH_MAX]; /* Mapping filename */
61 uint8_t pr_mflags; /* Protection flags */
66 #define MA_NEEDS_COPY 0x10
67 #define MA_NOCOREDUMP 0x20
70 typedef int proc_map_f(void *, const prmap_t *, const char *);
71 typedef int proc_sym_f(void *, const GElf_Sym *, const char *);
73 /* Values for ELF sections */
77 /* Values for the 'mask' parameter in the iteration functions */
78 #define BIND_LOCAL 0x0001
79 #define BIND_GLOBAL 0x0002
80 #define BIND_WEAK 0x0004
81 #define BIND_ANY (BIND_LOCAL|BIND_GLOBAL|BIND_WEAK)
82 #define TYPE_NOTYPE 0x0100
83 #define TYPE_OBJECT 0x0200
84 #define TYPE_FUNC 0x0400
85 #define TYPE_SECTION 0x0800
86 #define TYPE_FILE 0x1000
87 #define TYPE_ANY (TYPE_NOTYPE|TYPE_OBJECT|TYPE_FUNC|TYPE_SECTION|\
99 typedef struct lwpstatus {
101 #define PR_REQUESTED 1
103 #define PR_SYSENTRY 3
105 #define PR_SIGNALLED 5
110 /* Function prototype definitions. */
113 prmap_t *proc_addr2map(struct proc_handle *, uintptr_t);
114 prmap_t *proc_name2map(struct proc_handle *, const char *);
115 char *proc_objname(struct proc_handle *, uintptr_t, char *, size_t);
116 prmap_t *proc_obj2map(struct proc_handle *, const char *);
117 int proc_iter_objs(struct proc_handle *, proc_map_f *, void *);
118 int proc_iter_symbyaddr(struct proc_handle *, const char *, int,
119 int, proc_sym_f *, void *);
120 int proc_addr2sym(struct proc_handle *, uintptr_t, char *, size_t, GElf_Sym *);
121 int proc_attach(pid_t pid, int flags, struct proc_handle **pphdl);
122 int proc_continue(struct proc_handle *);
123 int proc_clearflags(struct proc_handle *, int);
124 int proc_create(const char *, char * const *, proc_child_func *, void *,
125 struct proc_handle **);
126 int proc_detach(struct proc_handle *, int);
127 int proc_getflags(struct proc_handle *);
128 int proc_name2sym(struct proc_handle *, const char *, const char *, GElf_Sym *);
129 int proc_setflags(struct proc_handle *, int);
130 int proc_state(struct proc_handle *);
131 pid_t proc_getpid(struct proc_handle *);
132 int proc_wstatus(struct proc_handle *);
133 int proc_getwstat(struct proc_handle *);
134 char * proc_signame(int, char *, size_t);
135 int proc_read(struct proc_handle *, void *, size_t, size_t);
137 proc_getlwpstatus(struct proc_handle *);
138 void proc_free(struct proc_handle *);
139 rd_agent_t *proc_rdagent(struct proc_handle *);
140 void proc_updatesyms(struct proc_handle *);
141 int proc_bkptset(struct proc_handle *, uintptr_t, unsigned long *);
142 int proc_bkptdel(struct proc_handle *, uintptr_t, unsigned long);
143 void proc_bkptregadj(unsigned long *);
144 int proc_bkptexec(struct proc_handle *, unsigned long);
145 int proc_regget(struct proc_handle *, proc_reg_t, unsigned long *);
146 int proc_regset(struct proc_handle *, proc_reg_t, unsigned long);
150 #endif /* !_LIBPROC_H_ */