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-rw-r--r--lib/libthread_db/src/thread_db.c359
1 files changed, 359 insertions, 0 deletions
diff --git a/lib/libthread_db/src/thread_db.c b/lib/libthread_db/src/thread_db.c
new file mode 100644
index 0000000..24d5e7c
--- /dev/null
+++ b/lib/libthread_db/src/thread_db.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stddef.h>
+#include <unistd.h>
+
+#include <proc_service.h>
+#include <thread_db.h>
+#include "thread_db_int.h"
+
+static TAILQ_HEAD(, td_thragent) proclist = TAILQ_HEAD_INITIALIZER(proclist);
+
+extern struct ta_ops pthread_ops;
+#if 0
+extern struct ta_ops thr_ops;
+extern struct ta_ops c_r_ops;
+#endif
+
+static struct ta_ops *ops[] = {
+ &pthread_ops,
+#if 0
+ &thr_ops,
+ &c_r_ops
+#endif
+};
+
+td_err_e
+td_init(void)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < sizeof(ops)/sizeof(ops[0]); ++i) {
+ int tmp;
+ if ((tmp = ops[i]->to_init()) != 0)
+ ret = tmp;
+ }
+ return (ret);
+}
+
+td_err_e
+td_ta_new(struct ps_prochandle *ph, td_thragent_t **pta)
+{
+ int i;
+
+ for (i = 0; i < sizeof(ops)/sizeof(ops[0]); ++i) {
+ if (ops[i]->to_ta_new(ph, pta) == 0) {
+ (*pta)->ta_ops = ops[i];
+ TAILQ_INSERT_HEAD(&proclist, *pta, ta_next);
+ return (0);
+ }
+ }
+ return (TD_NOLIBTHREAD);
+
+}
+
+td_err_e
+td_ta_delete(td_thragent_t *ta)
+{
+ TAILQ_REMOVE(&proclist, ta, ta_next);
+ return ta->ta_ops->to_ta_delete(ta);
+}
+
+td_err_e
+td_ta_get_nthreads(const td_thragent_t *ta, int *np)
+{
+ return ta->ta_ops->to_ta_get_nthreads(ta, np);
+}
+
+td_err_e
+td_ta_get_ph(const td_thragent_t *ta, struct ps_prochandle **ph)
+{
+ return ta->ta_ops->to_ta_get_ph(ta, ph);
+}
+
+td_err_e
+td_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th)
+{
+ return ta->ta_ops->to_ta_map_id2thr(ta, id, th);
+}
+
+td_err_e
+td_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+ return ta->ta_ops->to_ta_map_lwp2thr(ta, lwpid, th);
+}
+
+td_err_e
+td_ta_thr_iter(const td_thragent_t *ta,
+ td_thr_iter_f *callback, void *cbdata_p,
+ td_thr_state_e state, int ti_pri,
+ sigset_t *ti_sigmask_p,
+ unsigned int ti_user_flags)
+{
+ return ta->ta_ops->to_ta_thr_iter(ta, callback, cbdata_p, state,
+ ti_pri, ti_sigmask_p, ti_user_flags);
+}
+
+td_err_e
+td_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg)
+{
+ return ta->ta_ops->to_ta_tsd_iter(ta, ki, arg);
+}
+
+td_err_e
+td_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr)
+{
+ return ta->ta_ops->to_ta_event_addr(ta, event, ptr);
+}
+
+td_err_e
+td_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events)
+{
+ return ta->ta_ops->to_ta_set_event(ta, events);
+}
+
+td_err_e
+td_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events)
+{
+ return ta->ta_ops->to_ta_clear_event(ta, events);
+}
+
+td_err_e
+td_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg)
+{
+ return ta->ta_ops->to_ta_event_getmsg(ta, msg);
+}
+
+td_err_e
+td_ta_setconcurrency(const td_thragent_t *ta, int level)
+{
+ return ta->ta_ops->to_ta_setconcurrency(ta, level);
+}
+
+td_err_e
+td_ta_enable_stats(const td_thragent_t *ta, int enable)
+{
+ return ta->ta_ops->to_ta_enable_stats(ta, enable);
+}
+
+td_err_e
+td_ta_reset_stats(const td_thragent_t *ta)
+{
+ return ta->ta_ops->to_ta_reset_stats(ta);
+}
+
+td_err_e
+td_ta_get_stats(const td_thragent_t *ta, td_ta_stats_t *statsp)
+{
+ return ta->ta_ops->to_ta_get_stats(ta, statsp);
+}
+
+td_err_e
+td_thr_validate(const td_thrhandle_t *th)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_validate(th);
+}
+
+td_err_e
+td_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_get_info(th, info);
+}
+
+td_err_e
+td_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregset)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_getfpregs(th, fpregset);
+}
+
+td_err_e
+td_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_getgregs(th, gregs);
+}
+
+td_err_e
+td_thr_getxregs(const td_thrhandle_t *th, void *xregs)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_getxregs(th, xregs);
+}
+
+td_err_e
+td_thr_getxregsize(const td_thrhandle_t *th, int *sizep)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_getxregsize(th, sizep);
+}
+
+td_err_e
+td_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_setfpregs(th, fpregs);
+}
+
+td_err_e
+td_thr_setgregs(const td_thrhandle_t *th, prgregset_t gregs)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_setgregs(th, gregs);
+}
+
+td_err_e
+td_thr_setxregs(const td_thrhandle_t *th, const void *addr)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_setxregs(th, addr);
+}
+
+td_err_e
+td_thr_event_enable(const td_thrhandle_t *th, int en)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_event_enable(th, en);
+}
+
+td_err_e
+td_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_set_event(th, setp);
+}
+
+td_err_e
+td_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_clear_event(th, setp);
+}
+
+td_err_e
+td_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_event_getmsg(th, msg);
+}
+
+td_err_e
+td_thr_setprio(const td_thrhandle_t *th, int pri)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_setprio(th, pri);
+}
+
+td_err_e
+td_thr_setsigpending(const td_thrhandle_t *th, unsigned char n,
+ const sigset_t *set)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_setsigpending(th, n, set);
+}
+
+td_err_e
+td_thr_sigsetmask(const td_thrhandle_t *th, const sigset_t *set)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_sigsetmask(th, set);
+}
+
+td_err_e
+td_thr_tsd(const td_thrhandle_t *th, const thread_key_t key, void **data)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_tsd(th, key, data);
+}
+
+td_err_e
+td_thr_dbsuspend(const td_thrhandle_t *th)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_dbsuspend(th);
+}
+
+td_err_e
+td_thr_dbresume(const td_thrhandle_t *th)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_dbresume(th);
+}
+
+td_err_e
+td_get_ta(int pid, td_thragent_t **ta_p)
+{
+ td_thragent_t *ta;
+ struct ps_prochandle *ph;
+
+ TAILQ_FOREACH(ta, &proclist, ta_next) {
+ td_ta_get_ph(ta, &ph);
+ if (ps_getpid(ph) == pid) {
+ *ta_p = ta;
+ return (TD_OK);
+ }
+ }
+ return (TD_ERR);
+}
+
+td_err_e
+td_ta_activated(td_thragent_t *ta, int *a)
+{
+ return ta->ta_ops->to_ta_activated(ta, a);
+}
+
+td_err_e
+td_thr_sstep(td_thrhandle_t *th, int step)
+{
+ td_thragent_t *ta = th->th_ta_p;
+
+ return ta->ta_ops->to_thr_sstep(th, step);
+}
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