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7f08f55a RM |
1 | /* This file is included by pthread_create.c to define in libpthread |
2 | all the magic symbols required by libthread_db. | |
3 | ||
d6f53c6f | 4 | Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
7f08f55a RM |
5 | This file is part of the GNU C Library. |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library 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 GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
18 | License along with the GNU C Library; if not, write to the Free | |
19 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
20 | 02111-1307 USA. */ | |
21 | ||
22 | #include "thread_dbP.h" | |
23 | #include <tls.h> | |
24 | ||
25 | typedef struct pthread pthread; | |
26 | typedef struct pthread_key_struct pthread_key_struct; | |
27 | typedef struct pthread_key_data pthread_key_data; | |
28 | typedef struct | |
29 | { | |
30 | struct pthread_key_data data[PTHREAD_KEY_2NDLEVEL_SIZE]; | |
31 | } | |
32 | pthread_key_data_level2; | |
33 | ||
34 | typedef struct | |
35 | { | |
36 | union dtv dtv[UINT32_MAX / 2 / sizeof (union dtv)]; /* No constant bound. */ | |
37 | } dtv; | |
38 | ||
39 | typedef struct link_map link_map; | |
40 | ||
41 | ||
42 | #define schedparam_sched_priority schedparam.sched_priority | |
43 | ||
44 | #define eventbuf_eventmask eventbuf.eventmask | |
45 | #define eventbuf_eventmask_event_bits eventbuf.eventmask.event_bits | |
46 | ||
47 | #define DESC(name, offset, obj) \ | |
48 | DB_DEFINE_DESC (name, 8 * sizeof (obj), 1, offset); | |
49 | #define ARRAY_DESC(name, offset, obj) \ | |
50 | DB_DEFINE_DESC (name, \ | |
51 | 8 * sizeof (obj)[0], sizeof (obj) / sizeof (obj)[0], \ | |
52 | offset); | |
53 | ||
54 | #if TLS_TCB_AT_TP | |
55 | # define dtvp header.dtv | |
56 | #elif TLS_DTV_AT_TP | |
6964ccb2 RM |
57 | /* Special case hack. If TLS_TCB_SIZE == 0 (on PowerPC), there is no TCB |
58 | containing the DTV at the TP, but actually the TCB lies behind the TP, | |
59 | i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE. */ | |
7f08f55a | 60 | DESC (_thread_db_pthread_dtvp, |
6964ccb2 RM |
61 | TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv) |
62 | - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), union dtv) | |
7f08f55a RM |
63 | #endif |
64 | ||
65 | ||
66 | #define DB_STRUCT(type) \ | |
67 | const uint32_t _thread_db_sizeof_##type = sizeof (type); | |
68 | #define DB_STRUCT_FIELD(type, field) \ | |
69 | DESC (_thread_db_##type##_##field, \ | |
70 | offsetof (type, field), ((type *) 0)->field) | |
71 | #define DB_STRUCT_ARRAY_FIELD(type, field) \ | |
72 | ARRAY_DESC (_thread_db_##type##_##field, \ | |
73 | offsetof (type, field), ((type *) 0)->field) | |
74 | #define DB_VARIABLE(name) DESC (_thread_db_##name, 0, name) | |
75 | #define DB_ARRAY_VARIABLE(name) ARRAY_DESC (_thread_db_##name, 0, name) | |
76 | #define DB_SYMBOL(name) /* Nothing. */ | |
d43147cd | 77 | #define DB_FUNCTION(name) /* Nothing. */ |
7f08f55a RM |
78 | #include "structs.def" |
79 | #undef DB_STRUCT | |
80 | #undef DB_STRUCT_FIELD | |
81 | #undef DB_SYMBOL | |
d43147cd | 82 | #undef DB_FUNCTION |
7f08f55a RM |
83 | #undef DB_VARIABLE |
84 | #undef DESC | |
85 | ||
86 | ||
87 | ||
88 | #ifdef DB_THREAD_SELF | |
89 | # ifdef DB_THREAD_SELF_INCLUDE | |
90 | # include DB_THREAD_SELF_INCLUDE | |
91 | # endif | |
92 | ||
93 | /* This macro is defined in the machine's tls.h using the three below. */ | |
94 | # define CONST_THREAD_AREA(bits, value) \ | |
95 | const uint32_t _thread_db_const_thread_area = (value); | |
96 | # define REGISTER_THREAD_AREA(bits, regofs, scale) \ | |
97 | DB_DEFINE_DESC (_thread_db_register##bits##_thread_area, \ | |
98 | bits, (scale), (regofs)); | |
38753391 RM |
99 | # define REGISTER(bits, size, regofs, bias) \ |
100 | DB_DEFINE_DESC (_thread_db_register##bits, size, (uint32_t)(bias), (regofs)); | |
7f08f55a RM |
101 | |
102 | DB_THREAD_SELF | |
103 | #endif |