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7c619dbd | 1 | /* <proc_service.h> replacement for systems that don't have it. |
42a4f53d | 2 | Copyright (C) 2000-2019 Free Software Foundation, Inc. |
7c619dbd GB |
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 | |
8 | the Free Software Foundation; either version 3 of the License, or | |
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 | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef COMMON_GDB_PROC_SERVICE_H | |
20 | #define COMMON_GDB_PROC_SERVICE_H | |
21 | ||
22 | #include <sys/types.h> | |
23 | ||
24 | #ifdef HAVE_PROC_SERVICE_H | |
25 | ||
26 | /* glibc's proc_service.h doesn't wrap itself with extern "C". Need | |
27 | to do it ourselves. */ | |
28 | EXTERN_C_PUSH | |
29 | ||
30 | #include <proc_service.h> | |
31 | ||
32 | EXTERN_C_POP | |
33 | ||
34 | #else /* HAVE_PROC_SERVICE_H */ | |
35 | ||
36 | /* The following fallback definitions have been imported and adjusted | |
37 | from glibc's proc_service.h */ | |
38 | ||
39 | /* Callback interface for libthread_db, functions users must define. | |
40 | Copyright (C) 1999,2002,2003 Free Software Foundation, Inc. | |
41 | This file is part of the GNU C Library. | |
42 | ||
43 | The GNU C Library is free software; you can redistribute it and/or | |
44 | modify it under the terms of the GNU Lesser General Public | |
45 | License as published by the Free Software Foundation; either | |
46 | version 2.1 of the License, or (at your option) any later version. | |
47 | ||
48 | The GNU C Library is distributed in the hope that it will be useful, | |
49 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
50 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
51 | Lesser General Public License for more details. | |
52 | ||
53 | You should have received a copy of the GNU Lesser General Public | |
54 | License along with the GNU C Library; if not, see | |
55 | <http://www.gnu.org/licenses/>. */ | |
56 | ||
57 | /* The definitions in this file must correspond to those in the debugger. */ | |
58 | ||
59 | #ifdef HAVE_SYS_PROCFS_H | |
60 | #include <sys/procfs.h> | |
61 | #endif | |
62 | ||
63 | /* Not all platforms bring in <linux/elf.h> via <sys/procfs.h>. If | |
64 | <sys/procfs.h> wasn't enough to find elf_fpregset_t, try the kernel | |
65 | headers also (but don't if we don't need to). */ | |
66 | #ifndef HAVE_ELF_FPREGSET_T | |
67 | # ifdef HAVE_LINUX_ELF_H | |
68 | # include <linux/elf.h> | |
69 | # endif | |
70 | #endif | |
71 | ||
72 | EXTERN_C_PUSH | |
73 | ||
74 | /* Functions in this interface return one of these status codes. */ | |
75 | typedef enum | |
76 | { | |
77 | PS_OK, /* Generic "call succeeded". */ | |
78 | PS_ERR, /* Generic error. */ | |
79 | PS_BADPID, /* Bad process handle. */ | |
80 | PS_BADLID, /* Bad LWP identifier. */ | |
81 | PS_BADADDR, /* Bad address. */ | |
82 | PS_NOSYM, /* Could not find given symbol. */ | |
83 | PS_NOFREGS /* FPU register set not available for given LWP. */ | |
84 | } ps_err_e; | |
85 | ||
86 | #ifndef HAVE_LWPID_T | |
87 | typedef unsigned int lwpid_t; | |
88 | #endif | |
89 | ||
90 | #ifndef HAVE_PSADDR_T | |
91 | typedef void *psaddr_t; | |
92 | #endif | |
93 | ||
94 | #ifndef HAVE_PRGREGSET_T | |
95 | typedef elf_gregset_t prgregset_t; | |
96 | #endif | |
97 | ||
98 | #ifndef HAVE_PRFPREGSET_T | |
99 | typedef elf_fpregset_t prfpregset_t; | |
100 | #endif | |
101 | ||
102 | /* This type is opaque in this interface. It's defined by the user of | |
103 | libthread_db. GDB's version is defined below. */ | |
104 | struct ps_prochandle; | |
105 | ||
106 | ||
107 | /* Read or write process memory at the given address. */ | |
108 | extern ps_err_e ps_pdread (struct ps_prochandle *, | |
109 | psaddr_t, void *, size_t); | |
110 | extern ps_err_e ps_pdwrite (struct ps_prochandle *, | |
111 | psaddr_t, const void *, size_t); | |
112 | extern ps_err_e ps_ptread (struct ps_prochandle *, | |
113 | psaddr_t, void *, size_t); | |
114 | extern ps_err_e ps_ptwrite (struct ps_prochandle *, | |
115 | psaddr_t, const void *, size_t); | |
116 | ||
117 | ||
118 | /* Get and set the given LWP's general or FPU register set. */ | |
119 | extern ps_err_e ps_lgetregs (struct ps_prochandle *, | |
120 | lwpid_t, prgregset_t); | |
121 | extern ps_err_e ps_lsetregs (struct ps_prochandle *, | |
122 | lwpid_t, const prgregset_t); | |
123 | extern ps_err_e ps_lgetfpregs (struct ps_prochandle *, | |
124 | lwpid_t, prfpregset_t *); | |
125 | extern ps_err_e ps_lsetfpregs (struct ps_prochandle *, | |
126 | lwpid_t, const prfpregset_t *); | |
127 | ||
128 | /* Return the PID of the process. */ | |
129 | extern pid_t ps_getpid (struct ps_prochandle *); | |
130 | ||
131 | /* Fetch the special per-thread address associated with the given LWP. | |
132 | This call is only used on a few platforms (most use a normal register). | |
133 | The meaning of the `int' parameter is machine-dependent. */ | |
134 | extern ps_err_e ps_get_thread_area (struct ps_prochandle *, | |
135 | lwpid_t, int, psaddr_t *); | |
136 | ||
137 | ||
138 | /* Look up the named symbol in the named DSO in the symbol tables | |
139 | associated with the process being debugged, filling in *SYM_ADDR | |
140 | with the corresponding run-time address. */ | |
141 | extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *, | |
142 | const char *object_name, | |
143 | const char *sym_name, | |
144 | psaddr_t *sym_addr); | |
145 | ||
146 | ||
147 | /* Stop or continue the entire process. */ | |
148 | extern ps_err_e ps_pstop (struct ps_prochandle *); | |
149 | extern ps_err_e ps_pcontinue (struct ps_prochandle *); | |
150 | ||
151 | /* Stop or continue the given LWP alone. */ | |
152 | extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t); | |
153 | extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t); | |
154 | ||
155 | /* The following are only defined in/called by Solaris. */ | |
156 | ||
157 | /* Get size of extra register set. */ | |
158 | extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph, | |
159 | lwpid_t lwpid, int *xregsize); | |
160 | /* Get extra register set. */ | |
161 | extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid, | |
162 | caddr_t xregset); | |
163 | extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid, | |
164 | caddr_t xregset); | |
165 | ||
166 | /* Log a message (sends to gdb_stderr). */ | |
167 | extern void ps_plog (const char *fmt, ...); | |
168 | ||
169 | EXTERN_C_POP | |
170 | ||
171 | #endif /* HAVE_PROC_SERVICE_H */ | |
172 | ||
173 | #endif /* COMMON_GDB_PROC_SERVICE_H */ |