diff options
Diffstat (limited to 'linuxthreads_db')
| -rw-r--r-- | linuxthreads_db/ChangeLog | 8 | ||||
| -rw-r--r-- | linuxthreads_db/td_ta_map_id2thr.c | 14 | ||||
| -rw-r--r-- | linuxthreads_db/td_ta_map_lwp2thr.c | 11 | ||||
| -rw-r--r-- | linuxthreads_db/td_ta_thr_iter.c | 31 | ||||
| -rw-r--r-- | linuxthreads_db/td_thr_get_info.c | 19 |
5 files changed, 75 insertions, 8 deletions
diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog index c5cbfba126..774afe6e2a 100644 --- a/linuxthreads_db/ChangeLog +++ b/linuxthreads_db/ChangeLog @@ -1,3 +1,11 @@ +2002-07-14 Ulrich Drepper <drepper@redhat.com> + + * td_ta_map_id2thr.c: Begin fixing implementation for libpthread with + TLS support. + * td_ta_map_lwp2thr.c: Likewise. + * td_ta_thr_iter.c: Likewise. + * td_thr_get_info.c: Likewise. + 2002-07-10 Ulrich Drepper <drepper@redhat.com> * Versions [libthread_db] (GLIBC_2.3): Add td_thr_tls_get_addr. diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c index e6be74ff19..ddeb2d3c4a 100644 --- a/linuxthreads_db/td_ta_map_id2thr.c +++ b/linuxthreads_db/td_ta_map_id2thr.c @@ -45,7 +45,19 @@ td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th) /* Test whether this entry is in use. */ if (phc.h_descr == NULL) - return TD_BADTH; + { + if (pt % pthread_threads_max == 0) + { + /* The initial thread always exists but the thread library + might not yet be initialized. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = NULL; + + return TD_OK; + } + + return TD_BADTH; + } /* Next test: get the descriptor to see whether this is not an old thread handle. */ diff --git a/linuxthreads_db/td_ta_map_lwp2thr.c b/linuxthreads_db/td_ta_map_lwp2thr.c index 1fc614cc21..dd2fcbfe4e 100644 --- a/linuxthreads_db/td_ta_map_lwp2thr.c +++ b/linuxthreads_db/td_ta_map_lwp2thr.c @@ -76,7 +76,16 @@ td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th) return TD_OK; } - } + } + else if (cnt == 0) + { + /* The initial thread always exists. But it might not yet be + initialized. Construct a value. */ + th->th_ta_p = (td_thragent_t *) ta; + th->th_unique = NULL; + + return TD_OK; + } return TD_NOLWP; } diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c index 7d7085870f..977711261e 100644 --- a/linuxthreads_db/td_ta_thr_iter.c +++ b/linuxthreads_db/td_ta_thr_iter.c @@ -31,6 +31,37 @@ handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback, size_t sizeof_descr = ta->sizeof_descr; td_thrhandle_t th; + if (descr == NULL) + { + /* No descriptor (yet). */ + if (cnt == 0) + { + /* This is the main thread. Create a fake descriptor. */ + memset (&pds, '\0', sizeof (pds)); + + /* Empty thread descriptor the thread library would create. */ + pds.p_header.data.self = &pds; + pds.p_nextlive = pds.p_prevlive = &pds; + pds.p_tid = PTHREAD_THREADS_MAX; + /* The init code also sets up p_lock, p_errnop, p_herrnop, and + p_userstack but this should not be necessary here. */ + + th.th_ta_p = (td_thragent_t *) ta; + th.th_unique = &pds; + if (callback (&th, cbdata_p) != 0) + return TD_DBERR; + + /* All done successfully. */ + return TD_OK; + } + else if (cnt == 1) + /* The manager is not yet started. No big deal. */ + return TD_OK; + else + /* For every other thread this should not happen. */ + return TD_ERR; + } + if (ps_pdread (ta->ph, descr, &pds, sizeof_descr) != PS_OK) return TD_ERR; /* XXX Other error value? */ diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c index b479170783..4666bda976 100644 --- a/linuxthreads_db/td_thr_get_info.c +++ b/linuxthreads_db/td_thr_get_info.c @@ -1,5 +1,5 @@ /* Get thread information. - Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. @@ -31,10 +31,17 @@ td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop) LOG ("td_thr_get_info"); - /* Get the thread descriptor. */ - if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, - th->th_ta_p->sizeof_descr) != PS_OK) - return TD_ERR; /* XXX Other error value? */ + /* Handle the case when the thread library is not yet initialized. */ + if (th->th_unique == NULL) + { + memset (&pds, '\0', sizeof (pds)); + pds.p_tid = PTHREAD_THREADS_MAX; + } + else + /* Get the thread descriptor. */ + if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds, + th->th_ta_p->sizeof_descr) != PS_OK) + return TD_ERR; /* XXX Other error value? */ /* Fill in information. Clear first to provide reproducable results for the fields we do not fill in. */ @@ -54,7 +61,7 @@ td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop) infop->ti_tls = (char *) pds.p_specific; infop->ti_pri = pds.p_priority; infop->ti_type = TD_THR_USER; - + if (! pds.p_terminated) /* XXX For now there is no way to get more information. */ infop->ti_state = TD_THR_ACTIVE; |