resolv: Suppress maybe uninitialized warning
[glibc.git] / nptl_db / proc_service.h
blob837d041b6eb2ea6456dc68f06d6d823845f15538
1 /* Callback interface for libthread_db, functions users must define.
2 Copyright (C) 1999-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 /* The definitions in this file must correspond to those in the debugger. */
20 #include <sys/procfs.h>
22 /* Functions in this interface return one of these status codes. */
23 typedef enum
25 PS_OK, /* Generic "call succeeded". */
26 PS_ERR, /* Generic error. */
27 PS_BADPID, /* Bad process handle. */
28 PS_BADLID, /* Bad LWP identifier. */
29 PS_BADADDR, /* Bad address. */
30 PS_NOSYM, /* Could not find given symbol. */
31 PS_NOFREGS /* FPU register set not available for given LWP. */
32 } ps_err_e;
35 /* This type is opaque in this interface.
36 It's defined by the user of libthread_db. */
37 struct ps_prochandle;
40 /* Read or write process memory at the given address. */
41 extern ps_err_e ps_pdread (struct ps_prochandle *,
42 psaddr_t, void *, size_t);
43 extern ps_err_e ps_pdwrite (struct ps_prochandle *,
44 psaddr_t, const void *, size_t);
45 extern ps_err_e ps_ptread (struct ps_prochandle *,
46 psaddr_t, void *, size_t);
47 extern ps_err_e ps_ptwrite (struct ps_prochandle *,
48 psaddr_t, const void *, size_t);
51 /* Get and set the given LWP's general or FPU register set. */
52 extern ps_err_e ps_lgetregs (struct ps_prochandle *,
53 lwpid_t, prgregset_t);
54 extern ps_err_e ps_lsetregs (struct ps_prochandle *,
55 lwpid_t, const prgregset_t);
56 extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
57 lwpid_t, prfpregset_t *);
58 extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
59 lwpid_t, const prfpregset_t *);
61 /* Return the PID of the process. */
62 extern pid_t ps_getpid (struct ps_prochandle *);
64 /* Fetch the special per-thread address associated with the given LWP.
65 This call is only used on a few platforms (most use a normal register).
66 The meaning of the `int' parameter is machine-dependent. */
67 extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
68 lwpid_t, int, psaddr_t *);
71 /* Look up the named symbol in the named DSO in the symbol tables
72 associated with the process being debugged, filling in *SYM_ADDR
73 with the corresponding run-time address. */
74 extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
75 const char *object_name,
76 const char *sym_name,
77 psaddr_t *sym_addr);
80 /* Stop or continue the entire process. */
81 extern ps_err_e ps_pstop (const struct ps_prochandle *);
82 extern ps_err_e ps_pcontinue (const struct ps_prochandle *);
84 /* Stop or continue the given LWP alone. */
85 extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t);
86 extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t);