1 /* <proc_service.h> replacement for systems that don't have it.
2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #ifndef GDB_PROC_SERVICE_H
20 #define GDB_PROC_SERVICE_H
22 #include <sys/types.h>
24 #ifdef HAVE_PROC_SERVICE_H
25 #include <proc_service.h>
27 #else /* HAVE_PROC_SERVICE_H */
29 /* The following fallback definitions have been imported and adjusted
30 from glibc's proc_service.h */
32 /* Callback interface for libthread_db, functions users must define.
33 Copyright (C) 1999,2002,2003 Free Software Foundation, Inc.
34 This file is part of the GNU C Library.
36 The GNU C Library is free software; you can redistribute it and/or
37 modify it under the terms of the GNU Lesser General Public
38 License as published by the Free Software Foundation; either
39 version 2.1 of the License, or (at your option) any later version.
41 The GNU C Library is distributed in the hope that it will be useful,
42 but WITHOUT ANY WARRANTY; without even the implied warranty of
43 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
44 Lesser General Public License for more details.
46 You should have received a copy of the GNU Lesser General Public
47 License along with the GNU C Library; if not, see
48 <http://www.gnu.org/licenses/>. */
50 /* The definitions in this file must correspond to those in the debugger. */
52 #ifdef HAVE_SYS_PROCFS_H
53 #include <sys/procfs.h>
58 /* Functions in this interface return one of these status codes. */
61 PS_OK, /* Generic "call succeeded". */
62 PS_ERR, /* Generic error. */
63 PS_BADPID, /* Bad process handle. */
64 PS_BADLID, /* Bad LWP identifier. */
65 PS_BADADDR, /* Bad address. */
66 PS_NOSYM, /* Could not find given symbol. */
67 PS_NOFREGS /* FPU register set not available for given LWP. */
71 typedef unsigned int lwpid_t;
75 typedef void *psaddr_t;
78 #ifndef HAVE_PRGREGSET_T
79 typedef gdb_gregset_t prgregset_t;
82 #ifndef HAVE_PRFPREGSET_T
83 typedef gdb_fpregset_t prfpregset_t;
86 /* This type is opaque in this interface. It's defined by the user of
87 libthread_db. GDB's version is defined below. */
91 /* Read or write process memory at the given address. */
92 extern ps_err_e ps_pdread (struct ps_prochandle *,
93 psaddr_t, void *, size_t);
94 extern ps_err_e ps_pdwrite (struct ps_prochandle *,
95 psaddr_t, const void *, size_t);
96 extern ps_err_e ps_ptread (struct ps_prochandle *,
97 psaddr_t, void *, size_t);
98 extern ps_err_e ps_ptwrite (struct ps_prochandle *,
99 psaddr_t, const void *, size_t);
102 /* Get and set the given LWP's general or FPU register set. */
103 extern ps_err_e ps_lgetregs (struct ps_prochandle *,
104 lwpid_t, prgregset_t);
105 extern ps_err_e ps_lsetregs (struct ps_prochandle *,
106 lwpid_t, const prgregset_t);
107 extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
108 lwpid_t, prfpregset_t *);
109 extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
110 lwpid_t, const prfpregset_t *);
112 /* Return the PID of the process. */
113 extern pid_t ps_getpid (struct ps_prochandle *);
115 /* Fetch the special per-thread address associated with the given LWP.
116 This call is only used on a few platforms (most use a normal register).
117 The meaning of the `int' parameter is machine-dependent. */
118 extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
119 lwpid_t, int, psaddr_t *);
122 /* Look up the named symbol in the named DSO in the symbol tables
123 associated with the process being debugged, filling in *SYM_ADDR
124 with the corresponding run-time address. */
125 extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
126 const char *object_name,
127 const char *sym_name,
131 /* Stop or continue the entire process. */
132 extern ps_err_e ps_pstop (struct ps_prochandle *);
133 extern ps_err_e ps_pcontinue (struct ps_prochandle *);
135 /* Stop or continue the given LWP alone. */
136 extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t);
137 extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t);
139 /* The following are only defined in/called by Solaris. */
141 /* Get size of extra register set. */
142 extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph,
143 lwpid_t lwpid, int *xregsize);
144 /* Get extra register set. */
145 extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
147 extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
150 /* Log a message (sends to gdb_stderr). */
151 extern void ps_plog (const char *fmt, ...);
153 #endif /* HAVE_PROC_SERVICE_H */
155 /* Fix-up some broken systems. */
157 /* Unfortunately glibc 2.1.3 was released with a broken prfpregset_t
158 type. We let configure check for this lossage, and make
159 appropriate typedefs here. */
161 #ifdef PRFPREGSET_T_BROKEN
162 typedef gdb_fpregset_t gdb_prfpregset_t;
164 typedef prfpregset_t gdb_prfpregset_t;
167 /* GDB specific structure that identifies the target process. */
170 /* The LWP we use for memory reads. */
174 #endif /* gdb_proc_service.h */