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110be7c9 | 1 | /* <proc_service.h> replacement for systems that don't have it. |
e2882c85 | 2 | Copyright (C) 2000-2018 Free Software Foundation, Inc. |
110be7c9 MK |
3 | |
4 | This file is part of GDB. | |
5 | ||
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 | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
110be7c9 MK |
9 | (at your option) any later version. |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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18 | |
19 | #ifndef GDB_PROC_SERVICE_H | |
20 | #define GDB_PROC_SERVICE_H | |
21 | ||
22 | #include <sys/types.h> | |
23 | ||
31925464 MW |
24 | #include "gregset.h" |
25 | ||
00431a78 PA |
26 | struct thread_info; |
27 | ||
110be7c9 | 28 | #ifdef HAVE_PROC_SERVICE_H |
749bab01 PA |
29 | |
30 | /* glibc's proc_service.h doesn't wrap itself with extern "C". Need | |
31 | to do it ourselves. */ | |
32 | EXTERN_C_PUSH | |
33 | ||
110be7c9 | 34 | #include <proc_service.h> |
a298c5e8 | 35 | |
749bab01 PA |
36 | EXTERN_C_POP |
37 | ||
a298c5e8 PA |
38 | #else /* HAVE_PROC_SERVICE_H */ |
39 | ||
40 | /* The following fallback definitions have been imported and adjusted | |
41 | from glibc's proc_service.h */ | |
42 | ||
43 | /* Callback interface for libthread_db, functions users must define. | |
44 | Copyright (C) 1999,2002,2003 Free Software Foundation, Inc. | |
45 | This file is part of the GNU C Library. | |
46 | ||
47 | The GNU C Library is free software; you can redistribute it and/or | |
48 | modify it under the terms of the GNU Lesser General Public | |
49 | License as published by the Free Software Foundation; either | |
50 | version 2.1 of the License, or (at your option) any later version. | |
51 | ||
52 | The GNU C Library is distributed in the hope that it will be useful, | |
53 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
54 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
55 | Lesser General Public License for more details. | |
56 | ||
57 | You should have received a copy of the GNU Lesser General Public | |
58 | License along with the GNU C Library; if not, see | |
59 | <http://www.gnu.org/licenses/>. */ | |
60 | ||
61 | /* The definitions in this file must correspond to those in the debugger. */ | |
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62 | |
63 | #ifdef HAVE_SYS_PROCFS_H | |
64 | #include <sys/procfs.h> | |
65 | #endif | |
66 | ||
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67 | EXTERN_C_PUSH |
68 | ||
a298c5e8 | 69 | /* Functions in this interface return one of these status codes. */ |
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70 | typedef enum |
71 | { | |
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72 | PS_OK, /* Generic "call succeeded". */ |
73 | PS_ERR, /* Generic error. */ | |
74 | PS_BADPID, /* Bad process handle. */ | |
75 | PS_BADLID, /* Bad LWP identifier. */ | |
76 | PS_BADADDR, /* Bad address. */ | |
77 | PS_NOSYM, /* Could not find given symbol. */ | |
78 | PS_NOFREGS /* FPU register set not available for given LWP. */ | |
110be7c9 | 79 | } ps_err_e; |
ed9a39eb | 80 | |
83d37ec8 | 81 | #ifndef HAVE_LWPID_T |
110be7c9 | 82 | typedef unsigned int lwpid_t; |
83d37ec8 MK |
83 | #endif |
84 | ||
83d37ec8 | 85 | #ifndef HAVE_PSADDR_T |
00f515da | 86 | typedef void *psaddr_t; |
83d37ec8 | 87 | #endif |
ed9a39eb | 88 | |
83d37ec8 | 89 | #ifndef HAVE_PRGREGSET_T |
110be7c9 | 90 | typedef gdb_gregset_t prgregset_t; |
83d37ec8 | 91 | #endif |
ed9a39eb | 92 | |
83d37ec8 | 93 | #ifndef HAVE_PRFPREGSET_T |
110be7c9 MK |
94 | typedef gdb_fpregset_t prfpregset_t; |
95 | #endif | |
96 | ||
a298c5e8 PA |
97 | /* This type is opaque in this interface. It's defined by the user of |
98 | libthread_db. GDB's version is defined below. */ | |
99 | struct ps_prochandle; | |
100 | ||
101 | ||
102 | /* Read or write process memory at the given address. */ | |
103 | extern ps_err_e ps_pdread (struct ps_prochandle *, | |
104 | psaddr_t, void *, size_t); | |
105 | extern ps_err_e ps_pdwrite (struct ps_prochandle *, | |
106 | psaddr_t, const void *, size_t); | |
107 | extern ps_err_e ps_ptread (struct ps_prochandle *, | |
108 | psaddr_t, void *, size_t); | |
109 | extern ps_err_e ps_ptwrite (struct ps_prochandle *, | |
110 | psaddr_t, const void *, size_t); | |
111 | ||
112 | ||
113 | /* Get and set the given LWP's general or FPU register set. */ | |
114 | extern ps_err_e ps_lgetregs (struct ps_prochandle *, | |
115 | lwpid_t, prgregset_t); | |
116 | extern ps_err_e ps_lsetregs (struct ps_prochandle *, | |
117 | lwpid_t, const prgregset_t); | |
118 | extern ps_err_e ps_lgetfpregs (struct ps_prochandle *, | |
119 | lwpid_t, prfpregset_t *); | |
120 | extern ps_err_e ps_lsetfpregs (struct ps_prochandle *, | |
121 | lwpid_t, const prfpregset_t *); | |
122 | ||
123 | /* Return the PID of the process. */ | |
124 | extern pid_t ps_getpid (struct ps_prochandle *); | |
125 | ||
126 | /* Fetch the special per-thread address associated with the given LWP. | |
127 | This call is only used on a few platforms (most use a normal register). | |
128 | The meaning of the `int' parameter is machine-dependent. */ | |
754653a7 | 129 | extern ps_err_e ps_get_thread_area (struct ps_prochandle *, |
a298c5e8 PA |
130 | lwpid_t, int, psaddr_t *); |
131 | ||
132 | ||
133 | /* Look up the named symbol in the named DSO in the symbol tables | |
134 | associated with the process being debugged, filling in *SYM_ADDR | |
135 | with the corresponding run-time address. */ | |
136 | extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *, | |
137 | const char *object_name, | |
138 | const char *sym_name, | |
139 | psaddr_t *sym_addr); | |
140 | ||
141 | ||
142 | /* Stop or continue the entire process. */ | |
143 | extern ps_err_e ps_pstop (struct ps_prochandle *); | |
144 | extern ps_err_e ps_pcontinue (struct ps_prochandle *); | |
145 | ||
146 | /* Stop or continue the given LWP alone. */ | |
147 | extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t); | |
148 | extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t); | |
149 | ||
150 | /* The following are only defined in/called by Solaris. */ | |
151 | ||
152 | /* Get size of extra register set. */ | |
153 | extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph, | |
154 | lwpid_t lwpid, int *xregsize); | |
155 | /* Get extra register set. */ | |
156 | extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid, | |
157 | caddr_t xregset); | |
158 | extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid, | |
159 | caddr_t xregset); | |
160 | ||
161 | /* Log a message (sends to gdb_stderr). */ | |
162 | extern void ps_plog (const char *fmt, ...); | |
163 | ||
749bab01 PA |
164 | EXTERN_C_POP |
165 | ||
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166 | #endif /* HAVE_PROC_SERVICE_H */ |
167 | ||
168 | /* Fix-up some broken systems. */ | |
169 | ||
170 | /* Unfortunately glibc 2.1.3 was released with a broken prfpregset_t | |
171 | type. We let configure check for this lossage, and make | |
172 | appropriate typedefs here. */ | |
173 | ||
174 | #ifdef PRFPREGSET_T_BROKEN | |
175 | typedef gdb_fpregset_t gdb_prfpregset_t; | |
176 | #else | |
177 | typedef prfpregset_t gdb_prfpregset_t; | |
83d37ec8 | 178 | #endif |
ed9a39eb | 179 | |
a298c5e8 | 180 | /* GDB specific structure that identifies the target process. */ |
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181 | struct ps_prochandle |
182 | { | |
93a91755 | 183 | /* The LWP we use for memory reads. */ |
00431a78 | 184 | thread_info *thread; |
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185 | }; |
186 | ||
187 | #endif /* gdb_proc_service.h */ |