| /* This file is included by pthread_create.c to define in libpthread |
| all the magic symbols required by libthread_db. |
| |
| Copyright (C) 2003-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdint.h> |
| #include "thread_dbP.h" |
| #include <tls.h> |
| #include <ldsodefs.h> |
| |
| typedef struct pthread pthread; |
| typedef struct pthread_key_struct pthread_key_struct; |
| typedef struct pthread_key_data pthread_key_data; |
| typedef struct |
| { |
| struct pthread_key_data data[PTHREAD_KEY_2NDLEVEL_SIZE]; |
| } |
| pthread_key_data_level2; |
| |
| typedef struct |
| { |
| union dtv dtv[UINT32_MAX / 2 / sizeof (union dtv)]; /* No constant bound. */ |
| } dtv; |
| |
| typedef struct link_map link_map; |
| typedef struct rtld_global rtld_global; |
| typedef struct dtv_slotinfo_list dtv_slotinfo_list; |
| typedef struct dtv_slotinfo dtv_slotinfo; |
| |
| /* Actually static in nptl/init.c, but we only need it for typeof. */ |
| extern bool __nptl_initial_report_events; |
| |
| #define schedparam_sched_priority schedparam.sched_priority |
| |
| #define eventbuf_eventmask eventbuf.eventmask |
| #define eventbuf_eventmask_event_bits eventbuf.eventmask.event_bits |
| |
| #define DESC(name, offset, obj) \ |
| DB_DEFINE_DESC (name, 8 * sizeof (obj), 1, offset); |
| #define ARRAY_DESC(name, offset, obj) \ |
| DB_DEFINE_DESC (name, \ |
| 8 * sizeof (obj)[0], sizeof (obj) / sizeof (obj)[0], \ |
| offset); |
| |
| #if TLS_TCB_AT_TP |
| # define dtvp header.dtv |
| #elif TLS_DTV_AT_TP |
| /* Special case hack. If TLS_TCB_SIZE == 0 (on PowerPC), there is no TCB |
| containing the DTV at the TP, but actually the TCB lies behind the TP, |
| i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE. */ |
| DESC (_thread_db_pthread_dtvp, |
| TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv) |
| - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0), union dtv *) |
| #endif |
| |
| |
| #define DB_STRUCT(type) \ |
| const uint32_t _thread_db_sizeof_##type = sizeof (type); |
| #define DB_STRUCT_FIELD(type, field) \ |
| DESC (_thread_db_##type##_##field, \ |
| offsetof (type, field), ((type *) 0)->field) |
| #define DB_STRUCT_ARRAY_FIELD(type, field) \ |
| ARRAY_DESC (_thread_db_##type##_##field, \ |
| offsetof (type, field), ((type *) 0)->field) |
| #define DB_VARIABLE(name) DESC (_thread_db_##name, 0, name) |
| #define DB_ARRAY_VARIABLE(name) ARRAY_DESC (_thread_db_##name, 0, name) |
| #define DB_SYMBOL(name) /* Nothing. */ |
| #define DB_FUNCTION(name) /* Nothing. */ |
| #include "structs.def" |
| #undef DB_STRUCT |
| #undef DB_STRUCT_FIELD |
| #undef DB_SYMBOL |
| #undef DB_FUNCTION |
| #undef DB_VARIABLE |
| #undef DESC |
| |
| |
| |
| #ifdef DB_THREAD_SELF |
| # ifdef DB_THREAD_SELF_INCLUDE |
| # include DB_THREAD_SELF_INCLUDE |
| # endif |
| |
| /* This macro is defined in the machine's tls.h using the three below. */ |
| # define CONST_THREAD_AREA(bits, value) \ |
| const uint32_t _thread_db_const_thread_area = (value); |
| # define REGISTER_THREAD_AREA(bits, regofs, scale) \ |
| DB_DEFINE_DESC (_thread_db_register##bits##_thread_area, \ |
| bits, (scale), (regofs)); |
| # define REGISTER(bits, size, regofs, bias) \ |
| DB_DEFINE_DESC (_thread_db_register##bits, size, (uint32_t)(bias), (regofs)); |
| |
| DB_THREAD_SELF |
| #endif |