From be550b6ed9d6c5948d2c331a396020769f65204f Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Fri, 18 Sep 2015 23:21:04 -0700 Subject: [PATCH] linux-thread-db.c (record_thread): Return the created thread. gdb/ChangeLog: * linux-thread-db.c (record_thread): Return the created thread. (thread_from_lwp): Likewise. (thread_db_get_thread_local_address): Update. --- gdb/ChangeLog | 6 ++++++ gdb/linux-thread-db.c | 26 ++++++++++++-------------- 2 files changed, 18 insertions(+), 14 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 027a10f7565..4f4f048036a 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2015-09-18 Doug Evans + + * linux-thread-db.c (record_thread): Return the created thread. + (thread_from_lwp): Likewise. + (thread_db_get_thread_local_address): Update. + 2015-09-18 Doug Evans * symtab.h (general_symbol_info) : Delete struct, diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c index 855629bcf46..b5719eb9e8c 100644 --- a/gdb/linux-thread-db.c +++ b/gdb/linux-thread-db.c @@ -198,10 +198,9 @@ static void thread_db_find_new_threads_2 (ptid_t ptid, int until_no_new); static void check_thread_signals (void); -static void record_thread (struct thread_db_info *info, - struct thread_info *tp, - ptid_t ptid, const td_thrhandle_t *th_p, - const td_thrinfo_t *ti_p); +static struct thread_info *record_thread + (struct thread_db_info *info, struct thread_info *tp, + ptid_t ptid, const td_thrhandle_t *th_p, const td_thrinfo_t *ti_p); /* Add the current inferior to the list of processes using libpthread. Return a pointer to the newly allocated object that was added to @@ -386,7 +385,7 @@ have_threads (ptid_t ptid) /* Fetch the user-level thread id of PTID. */ -static void +static struct thread_info * thread_from_lwp (ptid_t ptid) { td_thrhandle_t th; @@ -419,7 +418,7 @@ thread_from_lwp (ptid_t ptid) /* Fill the cache. */ tp = find_thread_ptid (ptid); - record_thread (info, tp, ptid, &th, &ti); + return record_thread (info, tp, ptid, &th, &ti); } @@ -1287,10 +1286,10 @@ attach_thread (ptid_t ptid, const td_thrhandle_t *th_p, } /* Record a new thread in GDB's thread list. Creates the thread's - private info. If TP is NULL, creates a new thread. Otherwise, - uses TP. */ + private info. If TP is NULL or TP is marked as having exited, + creates a new thread. Otherwise, uses TP. */ -static void +static struct thread_info * record_thread (struct thread_db_info *info, struct thread_info *tp, ptid_t ptid, const td_thrhandle_t *th_p, @@ -1304,7 +1303,7 @@ record_thread (struct thread_db_info *info, initialized yet. Leave private == NULL until the thread library has initialized. */ if (ti_p->ti_tid == 0) - return; + return tp; /* Construct the thread's private data. */ priv = XCNEW (struct private_thread_info); @@ -1333,6 +1332,8 @@ record_thread (struct thread_db_info *info, if (target_has_execution) check_thread_signals (); + + return tp; } static void @@ -1854,10 +1855,7 @@ thread_db_get_thread_local_address (struct target_ops *ops, /* We may not have discovered the thread yet. */ if (thread_info != NULL && thread_info->priv == NULL) - { - thread_from_lwp (ptid); - thread_info = find_thread_ptid (ptid); - } + thread_info = thread_from_lwp (ptid); if (thread_info != NULL && thread_info->priv != NULL) { -- 2.30.2