1 /* Target-dependent code for GNU/Linux, architecture independent.
3 Copyright (C) 2009 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* This function is suitable for architectures that don't
24 extend/override the standard siginfo structure. */
27 linux_get_siginfo_type (struct gdbarch *gdbarch)
29 struct type *int_type, *uint_type, *long_type, *void_ptr_type;
30 struct type *uid_type, *pid_type;
31 struct type *sigval_type, *clock_type;
32 struct type *siginfo_type, *sifields_type;
35 int_type = init_type (TYPE_CODE_INT,
36 gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT,
38 uint_type = init_type (TYPE_CODE_INT,
39 gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT,
40 0, "unsigned int", NULL);
41 long_type = init_type (TYPE_CODE_INT,
42 gdbarch_long_bit (gdbarch) / HOST_CHAR_BIT,
44 void_ptr_type = lookup_pointer_type (builtin_type (gdbarch)->builtin_void);
47 sigval_type = init_composite_type (NULL, TYPE_CODE_UNION);
48 TYPE_NAME (sigval_type) = xstrdup ("sigval_t");
49 append_composite_type_field (sigval_type, "sival_int", int_type);
50 append_composite_type_field (sigval_type, "sival_ptr", void_ptr_type);
53 pid_type = init_type (TYPE_CODE_TYPEDEF, TYPE_LENGTH (int_type),
54 TYPE_FLAG_TARGET_STUB, NULL, NULL);
55 TYPE_NAME (pid_type) = xstrdup ("__pid_t");
56 TYPE_TARGET_TYPE (pid_type) = int_type;
59 uid_type = init_type (TYPE_CODE_TYPEDEF, TYPE_LENGTH (uint_type),
60 TYPE_FLAG_TARGET_STUB, NULL, NULL);
61 TYPE_NAME (uid_type) = xstrdup ("__uid_t");
62 TYPE_TARGET_TYPE (uid_type) = uint_type;
65 clock_type = init_type (TYPE_CODE_TYPEDEF, TYPE_LENGTH (long_type),
66 TYPE_FLAG_TARGET_STUB, NULL, NULL);
67 TYPE_NAME (clock_type) = xstrdup ("__clock_t");
68 TYPE_TARGET_TYPE (clock_type) = long_type;
71 sifields_type = init_composite_type (NULL, TYPE_CODE_UNION);
74 const int si_max_size = 128;
76 int size_of_int = gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT;
79 if (gdbarch_ptr_bit (gdbarch) == 64)
80 si_pad_size = (si_max_size / size_of_int) - 4;
82 si_pad_size = (si_max_size / size_of_int) - 3;
83 append_composite_type_field (sifields_type, "_pad",
84 init_vector_type (int_type, si_pad_size));
88 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
89 append_composite_type_field (type, "si_pid", pid_type);
90 append_composite_type_field (type, "si_uid", uid_type);
91 append_composite_type_field (sifields_type, "_kill", type);
94 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
95 append_composite_type_field (type, "si_tid", int_type);
96 append_composite_type_field (type, "si_overrun", int_type);
97 append_composite_type_field (type, "si_sigval", sigval_type);
98 append_composite_type_field (sifields_type, "_timer", type);
101 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
102 append_composite_type_field (type, "si_pid", pid_type);
103 append_composite_type_field (type, "si_uid", uid_type);
104 append_composite_type_field (type, "si_sigval", sigval_type);
105 append_composite_type_field (sifields_type, "_rt", type);
108 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
109 append_composite_type_field (type, "si_pid", pid_type);
110 append_composite_type_field (type, "si_uid", uid_type);
111 append_composite_type_field (type, "si_status", int_type);
112 append_composite_type_field (type, "si_utime", clock_type);
113 append_composite_type_field (type, "si_stime", clock_type);
114 append_composite_type_field (sifields_type, "_sigchld", type);
117 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
118 append_composite_type_field (type, "si_addr", void_ptr_type);
119 append_composite_type_field (sifields_type, "_sigfault", type);
122 type = init_composite_type (NULL, TYPE_CODE_STRUCT);
123 append_composite_type_field (type, "si_band", long_type);
124 append_composite_type_field (type, "si_fd", int_type);
125 append_composite_type_field (sifields_type, "_sigpoll", type);
128 siginfo_type = init_composite_type (NULL, TYPE_CODE_STRUCT);
129 TYPE_NAME (siginfo_type) = xstrdup ("siginfo");
130 append_composite_type_field (siginfo_type, "si_signo", int_type);
131 append_composite_type_field (siginfo_type, "si_errno", int_type);
132 append_composite_type_field (siginfo_type, "si_code", int_type);
133 append_composite_type_field_aligned (siginfo_type,
134 "_sifields", sifields_type,
135 TYPE_LENGTH (long_type));