1 | /* Callback interface for libthread_db, functions users must define. |
2 | Copyright (C) 1999-2016 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
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. |
9 | |
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. |
14 | |
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/>. */ |
18 | |
19 | /* The definitions in this file must correspond to those in the debugger. */ |
20 | #include <sys/procfs.h> |
21 | |
22 | /* Functions in this interface return one of these status codes. */ |
23 | typedef enum |
24 | { |
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; |
33 | |
34 | |
35 | /* This type is opaque in this interface. |
36 | It's defined by the user of libthread_db. */ |
37 | struct ps_prochandle; |
38 | |
39 | |
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); |
49 | |
50 | |
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 *); |
60 | |
61 | /* Return the PID of the process. */ |
62 | extern pid_t ps_getpid (struct ps_prochandle *); |
63 | |
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 *); |
69 | |
70 | |
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); |
78 | |
79 | |
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 *); |
83 | |
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); |
87 | |