diff options
Diffstat (limited to 'REORG.TODO/nptl_db/db_info.c')
| -rw-r--r-- | REORG.TODO/nptl_db/db_info.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/REORG.TODO/nptl_db/db_info.c b/REORG.TODO/nptl_db/db_info.c new file mode 100644 index 0000000000..cdf966632b --- /dev/null +++ b/REORG.TODO/nptl_db/db_info.c @@ -0,0 +1,109 @@ +/* This file is included by pthread_create.c to define in libpthread + all the magic symbols required by libthread_db. + + Copyright (C) 2003-2017 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 |