|
3960
|
1 /*
|
|
8750
|
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
3960
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
20 * or visit www.oracle.com if you need additional information or have any
|
|
|
21 * questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 #ifndef _LIBPROC_H_
|
|
|
26 #define _LIBPROC_H_
|
|
|
27
|
|
|
28 #include <unistd.h>
|
|
|
29 #include <stdint.h>
|
|
8750
|
30 #include <stdarg.h>
|
|
|
31 #include <stdio.h>
|
|
|
32 #include <stdlib.h>
|
|
|
33 #include <string.h>
|
|
|
34 #include <fcntl.h>
|
|
|
35
|
|
|
36 #ifdef __APPLE__
|
|
|
37 typedef enum ps_err_e {
|
|
|
38 PS_OK, PS_ERR, PS_BADPID, PS_BADLID,
|
|
|
39 PS_BADADDR, PS_NOSYM, PS_NOFREGS
|
|
|
40 } ps_err_e;
|
|
|
41
|
|
|
42 #ifndef psaddr_t
|
|
|
43 #define psaddr_t uintptr_t
|
|
|
44 #endif
|
|
|
45
|
|
|
46 #ifndef bool
|
|
|
47 typedef int bool;
|
|
|
48 #define true 1
|
|
|
49 #define false 0
|
|
|
50 #endif // bool
|
|
|
51
|
|
|
52 #ifndef lwpid_t
|
|
|
53 #define lwpid_t uintptr_t
|
|
|
54 #endif
|
|
|
55
|
|
|
56 #include <mach/thread_status.h>
|
|
|
57 #else // __APPLE__
|
|
|
58 #include <elf.h>
|
|
|
59 #include <link.h>
|
|
3960
|
60 #include <machine/reg.h>
|
|
|
61 #include <proc_service.h>
|
|
|
62 #if defined(sparc) || defined(sparcv9)
|
|
|
63 /*
|
|
|
64 If _LP64 is defined ptrace.h should be taken from /usr/include/asm-sparc64
|
|
|
65 otherwise it should be from /usr/include/asm-sparc
|
|
|
66 These two files define pt_regs structure differently
|
|
|
67 */
|
|
|
68 #ifdef _LP64
|
|
|
69 #include "asm-sparc64/ptrace.h"
|
|
|
70 #else
|
|
|
71 #include "asm-sparc/ptrace.h"
|
|
|
72 #endif
|
|
|
73
|
|
|
74 #endif //sparc or sparcv9
|
|
|
75
|
|
8750
|
76 // This C bool type must be int for compatibility with BSD calls and
|
|
|
77 // it would be a mistake to equivalence it to C++ bool on many platforms
|
|
|
78 typedef int bool;
|
|
|
79 #define true 1
|
|
|
80 #define false 0
|
|
|
81
|
|
|
82 #endif // __APPLE__
|
|
|
83
|
|
3960
|
84 /************************************************************************************
|
|
|
85
|
|
|
86 0. This is very minimal subset of Solaris libproc just enough for current application.
|
|
|
87 Please note that the bulk of the functionality is from proc_service interface. This
|
|
|
88 adds Pgrab__ and some missing stuff. We hide the difference b/w live process and core
|
|
|
89 file by this interface.
|
|
|
90
|
|
|
91 1. pthread_id is unique. We store this in OSThread::_pthread_id in JVM code.
|
|
|
92
|
|
|
93 2. All threads see the same pid when they call getpid().
|
|
|
94 We used to save the result of ::getpid() call in OSThread::_thread_id.
|
|
|
95 Because gettid returns actual pid of thread (lwp id), this is
|
|
|
96 unique again. We therefore use OSThread::_thread_id as unique identifier.
|
|
|
97
|
|
|
98 3. There is a unique LWP id under both thread libraries. libthread_db maps pthread_id
|
|
|
99 to its underlying lwp_id under both the thread libraries. thread_info.lwp_id stores
|
|
|
100 lwp_id of the thread. The lwp id is nothing but the actual pid of clone'd processes. But
|
|
|
101 unfortunately libthread_db does not work very well for core dumps. So, we get pthread_id
|
|
|
102 only for processes. For core dumps, we don't use libthread_db at all (like gdb).
|
|
|
103
|
|
|
104 4. ptrace operates on this LWP id under both the thread libraries. When we say 'pid' for
|
|
|
105 ptrace call, we refer to lwp_id of the thread.
|
|
|
106
|
|
|
107 5. for core file, we parse ELF files and read data from them. For processes we use
|
|
|
108 combination of ptrace and /proc calls.
|
|
|
109
|
|
|
110 *************************************************************************************/
|
|
|
111
|
|
8750
|
112 struct reg;
|
|
3960
|
113 struct ps_prochandle;
|
|
|
114
|
|
|
115 // attach to a process
|
|
|
116 struct ps_prochandle* Pgrab(pid_t pid);
|
|
|
117
|
|
|
118 // attach to a core dump
|
|
|
119 struct ps_prochandle* Pgrab_core(const char* execfile, const char* corefile);
|
|
|
120
|
|
|
121 // release a process or core
|
|
|
122 void Prelease(struct ps_prochandle* ph);
|
|
|
123
|
|
|
124 // functions not directly available in Solaris libproc
|
|
|
125
|
|
|
126 // initialize libproc (call this only once per app)
|
|
|
127 // pass true to make library verbose
|
|
|
128 bool init_libproc(bool verbose);
|
|
|
129
|
|
|
130 // get number of threads
|
|
|
131 int get_num_threads(struct ps_prochandle* ph);
|
|
|
132
|
|
|
133 // get lwp_id of n'th thread
|
|
|
134 lwpid_t get_lwp_id(struct ps_prochandle* ph, int index);
|
|
|
135
|
|
|
136 // get regs for a given lwp
|
|
|
137 bool get_lwp_regs(struct ps_prochandle* ph, lwpid_t lid, struct reg* regs);
|
|
|
138
|
|
|
139 // get number of shared objects
|
|
|
140 int get_num_libs(struct ps_prochandle* ph);
|
|
|
141
|
|
|
142 // get name of n'th lib
|
|
|
143 const char* get_lib_name(struct ps_prochandle* ph, int index);
|
|
|
144
|
|
|
145 // get base of lib
|
|
|
146 uintptr_t get_lib_base(struct ps_prochandle* ph, int index);
|
|
|
147
|
|
|
148 // returns true if given library is found in lib list
|
|
|
149 bool find_lib(struct ps_prochandle* ph, const char *lib_name);
|
|
|
150
|
|
|
151 // symbol lookup
|
|
|
152 uintptr_t lookup_symbol(struct ps_prochandle* ph, const char* object_name,
|
|
|
153 const char* sym_name);
|
|
|
154
|
|
|
155 // address->nearest symbol lookup. return NULL for no symbol
|
|
|
156 const char* symbol_for_pc(struct ps_prochandle* ph, uintptr_t addr, uintptr_t* poffset);
|
|
|
157
|
|
|
158 #endif //__LIBPROC_H_
|
