2004-07-15 03:36:35 +00:00
|
|
|
/*
|
|
|
|
* 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 <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <pthread.h>
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/kse.h>
|
|
|
|
#include <sys/ptrace.h>
|
|
|
|
#include <proc_service.h>
|
|
|
|
#include <thread_db.h>
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
#include "libpthread.h"
|
|
|
|
#include "libpthread_db.h"
|
2004-07-15 03:36:35 +00:00
|
|
|
|
|
|
|
#define P2T(c) ps2td(c)
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
static void pt_unmap_lwp(const td_thragent_t *ta, lwpid_t lwp);
|
2004-07-15 03:36:35 +00:00
|
|
|
static int pt_validate(const td_thrhandle_t *th);
|
|
|
|
|
|
|
|
static int
|
|
|
|
ps2td(int c)
|
|
|
|
{
|
|
|
|
switch (c) {
|
|
|
|
case PS_OK:
|
|
|
|
return TD_OK;
|
|
|
|
case PS_ERR:
|
|
|
|
return TD_ERR;
|
|
|
|
case PS_BADPID:
|
|
|
|
return TD_BADPH;
|
|
|
|
case PS_BADLID:
|
|
|
|
return TD_NOLWP;
|
|
|
|
case PS_BADADDR:
|
|
|
|
return TD_ERR;
|
|
|
|
case PS_NOSYM:
|
|
|
|
return TD_NOLIBTHREAD;
|
|
|
|
case PS_NOFREGS:
|
|
|
|
return TD_NOFPREGS;
|
|
|
|
default:
|
|
|
|
return TD_ERR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
static long
|
|
|
|
pt_map_thread(const td_thragent_t *const_ta, psaddr_t pt, int type)
|
|
|
|
{
|
|
|
|
td_thragent_t *ta = __DECONST(td_thragent_t *, const_ta);
|
|
|
|
struct pt_map *new;
|
|
|
|
int i, first = -1;
|
|
|
|
|
|
|
|
/* leave zero out */
|
|
|
|
for (i = 1; i < ta->map_len; ++i) {
|
|
|
|
if (ta->map[i].type == PT_NONE) {
|
|
|
|
if (first == -1)
|
|
|
|
first = i;
|
|
|
|
} else if (ta->map[i].type == type && ta->map[i].thr == pt) {
|
|
|
|
return (i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (first == -1) {
|
|
|
|
if (ta->map_len == 0) {
|
|
|
|
ta->map = calloc(20, sizeof(struct pt_map));
|
|
|
|
if (ta->map == NULL)
|
|
|
|
return (-1);
|
|
|
|
ta->map_len = 20;
|
|
|
|
first = 1;
|
|
|
|
} else {
|
|
|
|
new = realloc(ta->map,
|
|
|
|
sizeof(struct pt_map) * ta->map_len * 2);
|
|
|
|
if (new == NULL)
|
|
|
|
return (-1);
|
|
|
|
memset(new + ta->map_len, '\0', sizeof(struct pt_map) *
|
|
|
|
ta->map_len);
|
|
|
|
first = ta->map_len;
|
|
|
|
ta->map = new;
|
|
|
|
ta->map_len *= 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ta->map[first].type = type;
|
|
|
|
ta->map[first].thr = pt;
|
|
|
|
return (first);
|
|
|
|
}
|
|
|
|
|
2004-07-15 03:36:35 +00:00
|
|
|
static td_err_e
|
|
|
|
pt_init(void)
|
|
|
|
{
|
|
|
|
pt_md_init();
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_new(struct ps_prochandle *ph, td_thragent_t **pta)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
#define LOOKUP_SYM(proc, sym, addr) \
|
|
|
|
ret = ps_pglobal_lookup(proc, NULL, sym, addr); \
|
|
|
|
if (ret != 0) { \
|
|
|
|
TDBG("can not find symbol: %s\n", sym); \
|
|
|
|
ret = TD_NOLIBTHREAD; \
|
|
|
|
goto error; \
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
td_thragent_t *ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
int dbg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ta = malloc(sizeof(td_thragent_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ta == NULL)
|
|
|
|
return (TD_MALLOC);
|
|
|
|
|
|
|
|
ta->ph = ph;
|
|
|
|
ta->thread_activated = 0;
|
|
|
|
ta->map = NULL;
|
|
|
|
ta->map_len = 0;
|
|
|
|
|
|
|
|
LOOKUP_SYM(ph, "_libkse_debug", &ta->libkse_debug_addr);
|
|
|
|
LOOKUP_SYM(ph, "_thread_list", &ta->thread_list_addr);
|
|
|
|
LOOKUP_SYM(ph, "_thread_activated", &ta->thread_activated_addr);
|
|
|
|
LOOKUP_SYM(ph, "_thread_active_threads",&ta->thread_active_threads_addr);
|
|
|
|
LOOKUP_SYM(ph, "_thread_keytable", &ta->thread_keytable_addr);
|
|
|
|
|
|
|
|
dbg = getpid();
|
|
|
|
/*
|
|
|
|
* If this fails it probably means we're debugging a core file and
|
|
|
|
* can't write to it.
|
|
|
|
*/
|
2004-07-18 04:17:15 +00:00
|
|
|
ps_pwrite(ph, ta->libkse_debug_addr, &dbg, sizeof(int));
|
2004-07-15 03:36:35 +00:00
|
|
|
*pta = ta;
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
error:
|
|
|
|
free(ta);
|
|
|
|
return (ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_delete(td_thragent_t *ta)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
int dbg;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
dbg = 0;
|
|
|
|
/*
|
|
|
|
* Error returns from this write are not really a problem;
|
|
|
|
* the process doesn't exist any more.
|
|
|
|
*/
|
2004-07-18 04:17:15 +00:00
|
|
|
ps_pwrite(ta->ph, ta->libkse_debug_addr, &dbg, sizeof(int));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ta->map)
|
|
|
|
free(ta->map);
|
|
|
|
free(ta);
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
prgregset_t gregs;
|
|
|
|
TAILQ_HEAD(, pthread) thread_list;
|
|
|
|
psaddr_t pt, tcb_addr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
if (id < 0 || id >= ta->map_len || ta->map[id].type == PT_NONE)
|
|
|
|
return (TD_NOTHR);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
|
2004-07-15 03:36:35 +00:00
|
|
|
sizeof(thread_list));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
pt = (psaddr_t)thread_list.tqh_first;
|
|
|
|
if (ta->map[id].type == PT_LWP) {
|
|
|
|
/*
|
|
|
|
* if we are referencing a lwp, make sure it was not already
|
|
|
|
* mapped to user thread.
|
|
|
|
*/
|
|
|
|
while (pt != 0) {
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
pt + offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
tcb_addr + offsetof(struct tcb,
|
|
|
|
tcb_tmbx.tm_lwp),
|
|
|
|
&lwp, sizeof(lwp));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
/*
|
|
|
|
* If the lwp was already mapped to userland thread,
|
|
|
|
* we shouldn't reference it directly in future.
|
|
|
|
*/
|
|
|
|
if (lwp == ta->map[id].lwp) {
|
|
|
|
ta->map[id].type = PT_NONE;
|
|
|
|
return (TD_NOTHR);
|
|
|
|
}
|
|
|
|
/* get next thread */
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
pt + offsetof(struct pthread, tle.tqe_next),
|
|
|
|
&pt, sizeof(pt));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
/* check lwp */
|
|
|
|
ret = ptrace(PT_GETREGS, ta->map[id].lwp, (caddr_t)&gregs, 0);
|
|
|
|
if (ret != 0) {
|
|
|
|
/* no longer exists */
|
|
|
|
ta->map[id].type = PT_NONE;
|
|
|
|
return (TD_NOTHR);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
while (pt != 0 && ta->map[id].thr != pt) {
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
pt + offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
/* get next thread */
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
pt + offsetof(struct pthread, tle.tqe_next),
|
|
|
|
&pt, sizeof(pt));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pt == 0) {
|
|
|
|
/* no longer exists */
|
|
|
|
ta->map[id].type = PT_NONE;
|
|
|
|
return (TD_NOTHR);
|
|
|
|
}
|
|
|
|
}
|
2004-07-18 04:17:15 +00:00
|
|
|
th->th_ta = ta;
|
|
|
|
th->th_tid = id;
|
2004-07-15 03:36:35 +00:00
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwp, td_thrhandle_t *th)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TAILQ_HEAD(, pthread) thread_list;
|
|
|
|
psaddr_t pt, ptr;
|
|
|
|
lwpid_t tmp_lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
|
2004-07-15 03:36:35 +00:00
|
|
|
sizeof(thread_list));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
pt = (psaddr_t)thread_list.tqh_first;
|
|
|
|
while (pt != 0) {
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, pt + offsetof(struct pthread, tcb),
|
2004-07-15 03:36:35 +00:00
|
|
|
&ptr, sizeof(ptr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
ptr += offsetof(struct tcb, tcb_tmbx.tm_lwp);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ptr, &tmp_lwp, sizeof(lwpid_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (tmp_lwp == lwp) {
|
2004-07-18 04:17:15 +00:00
|
|
|
th->th_ta = ta;
|
|
|
|
th->th_tid = pt_map_thread(ta, pt, PT_USER);
|
|
|
|
if (th->th_tid == -1)
|
2004-07-15 03:36:35 +00:00
|
|
|
return (TD_MALLOC);
|
|
|
|
pt_unmap_lwp(ta, lwp);
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* get next thread */
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
2004-07-15 03:36:35 +00:00
|
|
|
pt + offsetof(struct pthread, tle.tqe_next),
|
|
|
|
&pt, sizeof(pt));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
return (TD_NOTHR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_thr_iter(const td_thragent_t *ta,
|
2004-07-15 03:36:35 +00:00
|
|
|
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)
|
|
|
|
{
|
|
|
|
TAILQ_HEAD(, pthread) thread_list;
|
|
|
|
td_thrhandle_t th;
|
|
|
|
psaddr_t pt;
|
2004-07-18 04:17:15 +00:00
|
|
|
ps_err_e pserr;
|
|
|
|
int activated;
|
|
|
|
|
2004-07-15 03:36:35 +00:00
|
|
|
TDBG_FUNC();
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
pserr = ps_pread(ta->ph, ta->thread_activated_addr, &activated,
|
|
|
|
sizeof(int));
|
|
|
|
if (pserr != PS_OK)
|
|
|
|
return (P2T(pserr));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (!activated)
|
2004-07-18 04:17:15 +00:00
|
|
|
return (TD_OK);
|
|
|
|
|
|
|
|
pserr = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
|
|
|
|
sizeof(thread_list));
|
|
|
|
if (pserr != 0)
|
|
|
|
return (P2T(pserr));
|
2004-07-15 03:36:35 +00:00
|
|
|
pt = (psaddr_t)thread_list.tqh_first;
|
|
|
|
while (pt != 0) {
|
2004-07-18 04:17:15 +00:00
|
|
|
th.th_ta = ta;
|
|
|
|
th.th_tid = pt_map_thread(ta, pt, PT_USER);
|
2004-07-15 03:36:35 +00:00
|
|
|
/* should we unmap lwp here ? */
|
2004-07-18 04:17:15 +00:00
|
|
|
if (th.th_tid == -1)
|
2004-07-15 03:36:35 +00:00
|
|
|
return (TD_MALLOC);
|
|
|
|
if ((*callback)(&th, cbdata_p))
|
|
|
|
return (TD_DBERR);
|
|
|
|
/* get next thread */
|
2004-07-18 04:17:15 +00:00
|
|
|
pserr = ps_pread(ta->ph,
|
|
|
|
pt + offsetof(struct pthread, tle.tqe_next), &pt,
|
|
|
|
sizeof(pt));
|
|
|
|
if (pserr != PS_OK)
|
|
|
|
return (P2T(pserr));
|
2004-07-15 03:36:35 +00:00
|
|
|
}
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
struct pthread_key keytable[PTHREAD_KEYS_MAX];
|
|
|
|
int i, ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, (psaddr_t)ta->thread_keytable_addr, keytable,
|
2004-07-15 03:36:35 +00:00
|
|
|
sizeof(keytable));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
|
|
|
|
for (i = 0; i < PTHREAD_KEYS_MAX; i++) {
|
|
|
|
if (keytable[i].allocated) {
|
|
|
|
ret = (ki)(i, keytable[i].destructor, arg);
|
|
|
|
if (ret != 0)
|
|
|
|
return (TD_DBERR);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_NOEVENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_ERR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_ERR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_NOMSG);
|
|
|
|
}
|
|
|
|
|
2004-08-01 04:57:04 +00:00
|
|
|
static td_err_e
|
|
|
|
pt_dbsuspend(const td_thrhandle_t *th, int suspend)
|
|
|
|
{
|
|
|
|
td_thragent_t *ta = (td_thragent_t *)th->th_ta;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr, ptr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
uint32_t dflags;
|
|
|
|
int attrflags;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
|
|
|
if (suspend)
|
|
|
|
ret = ps_lstop(ta->ph, ta->map[th->th_tid].lwp);
|
|
|
|
else
|
|
|
|
ret = ps_lcontinue(ta->ph, ta->map[th->th_tid].lwp);
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
|
|
|
offsetof(struct pthread, attr.flags),
|
|
|
|
&attrflags, sizeof(attrflags));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp);
|
|
|
|
ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
/*
|
|
|
|
* Don't stop lwp assigned to a M:N thread, it belongs
|
|
|
|
* to UTS, UTS shouldn't be stopped.
|
|
|
|
*/
|
|
|
|
if (lwp != 0 && (attrflags & PTHREAD_SCOPE_SYSTEM)) {
|
|
|
|
/* dont' suspend signal thread */
|
|
|
|
if (attrflags & THR_SIGNAL_THREAD)
|
|
|
|
return 0;
|
|
|
|
ptr = ta->map[th->th_tid].thr +
|
|
|
|
offsetof(struct pthread, kse);
|
|
|
|
/* Too many indirect level :-( */
|
|
|
|
/* read struct kse * */
|
|
|
|
ret = ps_pread(ta->ph, ptr, &ptr, sizeof(ptr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
ptr = ptr + offsetof(struct kse, k_kcb);
|
|
|
|
/* read k_kcb * */
|
|
|
|
ret = ps_pread(ta->ph, ptr, &ptr, sizeof(ptr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
/* read kcb.kcb_kmbx.km_curthread */
|
|
|
|
ptr = ptr + offsetof(struct kcb, kcb_kmbx.km_curthread);
|
|
|
|
ret = ps_pread(ta->ph, ptr, &ptr, sizeof(ptr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (ptr != 0) { /* not in critical */
|
|
|
|
if (suspend)
|
|
|
|
ret = ps_lstop(ta->ph, lwp);
|
|
|
|
else
|
|
|
|
ret = ps_lcontinue(ta->ph, lwp);
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
}
|
|
|
|
/* read tm_dflags */
|
|
|
|
ret = ps_pread(ta->ph,
|
|
|
|
tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags),
|
|
|
|
&dflags, sizeof(dflags));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (suspend)
|
|
|
|
dflags |= TMDF_DONOTRUNUSER;
|
|
|
|
else
|
|
|
|
dflags &= ~TMDF_DONOTRUNUSER;
|
|
|
|
ret = ps_pwrite(ta->ph,
|
|
|
|
tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags),
|
|
|
|
&dflags, sizeof(dflags));
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-15 03:36:35 +00:00
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_thr_dbresume(const td_thrhandle_t *th)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
2004-08-01 04:57:04 +00:00
|
|
|
|
|
|
|
return pt_dbsuspend(th, 0);
|
2004-07-15 03:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_thr_dbsuspend(const td_thrhandle_t *th)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
2004-08-01 04:57:04 +00:00
|
|
|
|
|
|
|
return pt_dbsuspend(th, 1);
|
2004-07-15 03:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_validate(const td_thrhandle_t *th)
|
|
|
|
{
|
|
|
|
td_thrhandle_t temp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = pt_ta_map_id2thr(th->th_ta, th->th_tid,
|
2004-07-15 03:36:35 +00:00
|
|
|
&temp);
|
2004-08-01 04:57:04 +00:00
|
|
|
return (ret);
|
2004-07-15 03:36:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
|
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct pthread pt;
|
|
|
|
int ret;
|
2004-08-01 04:57:04 +00:00
|
|
|
uint32_t dflags;
|
2004-07-15 03:36:35 +00:00
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
|
|
|
memset(info, 0, sizeof(*info));
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
2004-07-15 03:36:35 +00:00
|
|
|
info->ti_type = TD_THR_SYSTEM;
|
2004-07-18 04:17:15 +00:00
|
|
|
info->ti_lid = ta->map[th->th_tid].lwp;
|
|
|
|
info->ti_tid = th->th_tid;
|
2004-07-15 03:36:35 +00:00
|
|
|
info->ti_state = TD_THR_RUN;
|
|
|
|
info->ti_type = TD_THR_SYSTEM;
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, (psaddr_t)(ta->map[th->th_tid].thr),
|
2004-07-15 03:36:35 +00:00
|
|
|
&pt, sizeof(pt));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (pt.magic != THR_MAGIC)
|
|
|
|
return (TD_BADTH);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
|
|
|
((psaddr_t)pt.tcb) + offsetof(struct tcb, tcb_tmbx.tm_lwp),
|
2004-07-15 03:36:35 +00:00
|
|
|
&info->ti_lid, sizeof(lwpid_t));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
2004-08-01 04:57:04 +00:00
|
|
|
ret = ps_pread(ta->ph,
|
|
|
|
((psaddr_t)pt.tcb) + offsetof(struct tcb, tcb_tmbx.tm_dflags),
|
|
|
|
&dflags, sizeof(dflags));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
2004-07-18 04:17:15 +00:00
|
|
|
info->ti_ta_p = th->th_ta;
|
|
|
|
info->ti_tid = th->th_tid;
|
2004-07-15 03:36:35 +00:00
|
|
|
info->ti_tls = (char *)pt.specific;
|
|
|
|
info->ti_startfunc = (psaddr_t)pt.start_routine;
|
|
|
|
info->ti_stkbase = (psaddr_t) pt.attr.stackaddr_attr;
|
|
|
|
info->ti_stksize = pt.attr.stacksize_attr;
|
|
|
|
switch (pt.state) {
|
|
|
|
case PS_RUNNING:
|
|
|
|
info->ti_state = TD_THR_RUN;
|
|
|
|
break;
|
|
|
|
case PS_LOCKWAIT:
|
|
|
|
case PS_MUTEX_WAIT:
|
|
|
|
case PS_COND_WAIT:
|
|
|
|
case PS_SIGSUSPEND:
|
|
|
|
case PS_SIGWAIT:
|
|
|
|
case PS_JOIN:
|
|
|
|
case PS_SUSPENDED:
|
|
|
|
case PS_DEADLOCK:
|
|
|
|
case PS_SLEEP_WAIT:
|
|
|
|
info->ti_state = TD_THR_SLEEP;
|
|
|
|
break;
|
|
|
|
case PS_DEAD:
|
|
|
|
info->ti_state = TD_THR_ZOMBIE;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
info->ti_state = TD_THR_UNKNOWN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2004-08-01 04:57:04 +00:00
|
|
|
info->ti_db_suspended = ((dflags & TMDF_DONOTRUNUSER) != 0);
|
2004-07-15 03:36:35 +00:00
|
|
|
info->ti_type = TD_THR_USER;
|
|
|
|
info->ti_pri = pt.active_priority;
|
|
|
|
info->ti_sigmask = pt.sigmask;
|
|
|
|
info->ti_traceme = 0;
|
|
|
|
info->ti_pending = pt.sigpend;
|
|
|
|
info->ti_events = 0;
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregs)
|
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct kse_thr_mailbox tmbx;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr, ptr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
|
|
|
ret = ps_lgetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs);
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
2004-08-01 04:57:04 +00:00
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (lwp != 0) {
|
|
|
|
ret = ps_lgetfpregs(ta->ph, lwp, fpregs);
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
pt_ucontext_to_fpreg(&tmbx.tm_context, fpregs);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs)
|
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct kse_thr_mailbox tmbx;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr, ptr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
2004-07-15 03:36:35 +00:00
|
|
|
ret = ps_lgetregs(ta->ph,
|
2004-07-18 04:17:15 +00:00
|
|
|
ta->map[th->th_tid].lwp, gregs);
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
2004-07-15 03:36:35 +00:00
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (lwp != 0) {
|
|
|
|
ret = ps_lgetregs(ta->ph, lwp, gregs);
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
pt_ucontext_to_reg(&tmbx.tm_context, gregs);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs)
|
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct kse_thr_mailbox tmbx;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr, ptr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
|
|
|
ret = ps_lsetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs);
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
2004-07-15 03:36:35 +00:00
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (lwp != 0) {
|
|
|
|
ret = ps_lsetfpregs(ta->ph, lwp, fpregs);
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Read a copy of context, this makes sure that registers
|
|
|
|
* not covered by structure reg won't be clobbered
|
|
|
|
*/
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
|
|
|
|
pt_fpreg_to_ucontext(fpregs, &tmbx.tm_context);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-17 17:09:12 +00:00
|
|
|
pt_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct kse_thr_mailbox tmbx;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr, ptr;
|
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP) {
|
|
|
|
ret = ps_lsetregs(ta->ph, ta->map[th->th_tid].lwp, gregs);
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
2004-07-15 03:36:35 +00:00
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (lwp != 0) {
|
|
|
|
ret = ps_lsetregs(ta->ph, lwp, gregs);
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Read a copy of context, make sure that registers
|
|
|
|
* not covered by structure reg won't be clobbered
|
|
|
|
*/
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
pt_reg_to_ucontext(gregs, &tmbx.tm_context);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_event_enable(const td_thrhandle_t *th, int en)
|
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_ERR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp)
|
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_ERR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp)
|
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_ERR);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
|
|
|
pt_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
|
|
|
|
{
|
|
|
|
TDBG_FUNC();
|
|
|
|
return (TD_NOMSG);
|
|
|
|
}
|
|
|
|
|
|
|
|
static td_err_e
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_thr_sstep(const td_thrhandle_t *th, int step)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
2004-07-18 04:17:15 +00:00
|
|
|
const td_thragent_t *ta = th->th_ta;
|
2004-07-15 03:36:35 +00:00
|
|
|
struct kse_thr_mailbox tmbx;
|
|
|
|
struct reg regs;
|
|
|
|
psaddr_t tcb_addr, tmbx_addr;
|
2004-08-01 04:57:04 +00:00
|
|
|
uint32_t dflags;
|
2004-07-15 03:36:35 +00:00
|
|
|
lwpid_t lwp;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
TDBG_FUNC();
|
|
|
|
|
|
|
|
ret = pt_validate(th);
|
|
|
|
if (ret)
|
|
|
|
return (ret);
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (ta->map[th->th_tid].type == PT_LWP)
|
|
|
|
return (TD_BADTH);
|
2004-07-15 03:36:35 +00:00
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, ta->map[th->th_tid].thr +
|
2004-07-15 03:36:35 +00:00
|
|
|
offsetof(struct pthread, tcb),
|
|
|
|
&tcb_addr, sizeof(tcb_addr));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
|
|
|
|
/* Clear or set single step flag in thread mailbox */
|
2004-08-01 04:57:04 +00:00
|
|
|
ret = ps_pread(ta->ph, tcb_addr + offsetof(struct tcb,
|
|
|
|
tcb_tmbx.tm_dflags), &dflags, sizeof(uint32_t));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
if (step != 0)
|
|
|
|
dflags |= TMDF_SSTEP;
|
|
|
|
else
|
|
|
|
dflags &= ~TMDF_SSTEP;
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pwrite(ta->ph, tcb_addr + offsetof(struct tcb,
|
2004-08-01 04:57:04 +00:00
|
|
|
tcb_tmbx.tm_dflags), &dflags, sizeof(uint32_t));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
|
|
|
/* Get lwp */
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tcb_addr + offsetof(struct tcb,
|
2004-07-15 03:36:35 +00:00
|
|
|
tcb_tmbx.tm_lwp), &lwp, sizeof(lwpid_t));
|
|
|
|
if (ret != 0)
|
|
|
|
return (P2T(ret));
|
2004-07-18 04:17:15 +00:00
|
|
|
if (lwp != 0)
|
2004-08-01 04:57:04 +00:00
|
|
|
return (0);
|
2004-07-15 03:36:35 +00:00
|
|
|
|
|
|
|
tmbx_addr = tcb_addr + offsetof(struct tcb, tcb_tmbx);
|
|
|
|
/*
|
|
|
|
* context is in userland, some architectures store
|
|
|
|
* single step status in registers, we should change
|
|
|
|
* these registers.
|
|
|
|
*/
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx));
|
2004-07-15 03:36:35 +00:00
|
|
|
if (ret == 0) {
|
|
|
|
pt_ucontext_to_reg(&tmbx.tm_context, ®s);
|
|
|
|
/* only write out if it is really changed. */
|
|
|
|
if (pt_reg_sstep(®s, step) != 0) {
|
|
|
|
pt_reg_to_ucontext(®s, &tmbx.tm_context);
|
2004-07-18 04:17:15 +00:00
|
|
|
ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx,
|
2004-07-15 03:36:35 +00:00
|
|
|
sizeof(tmbx));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return (P2T(ret));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2004-07-18 04:17:15 +00:00
|
|
|
pt_unmap_lwp(const td_thragent_t *ta, lwpid_t lwp)
|
2004-07-15 03:36:35 +00:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ta->map_len; ++i) {
|
|
|
|
if (ta->map[i].type == PT_LWP && ta->map[i].lwp == lwp) {
|
|
|
|
ta->map[i].type = PT_NONE;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
pt_validate(const td_thrhandle_t *th)
|
|
|
|
{
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
if (th->th_tid < 0 || th->th_tid >= th->th_ta->map_len ||
|
|
|
|
th->th_ta->map[th->th_tid].type == PT_NONE)
|
2004-07-15 03:36:35 +00:00
|
|
|
return (TD_NOTHR);
|
|
|
|
return (TD_OK);
|
|
|
|
}
|
|
|
|
|
2004-07-18 04:17:15 +00:00
|
|
|
struct ta_ops libpthread_db_ops = {
|
2004-07-15 03:36:35 +00:00
|
|
|
.to_init = pt_init,
|
2004-07-18 04:17:15 +00:00
|
|
|
.to_ta_clear_event = pt_ta_clear_event,
|
|
|
|
.to_ta_delete = pt_ta_delete,
|
|
|
|
.to_ta_event_addr = pt_ta_event_addr,
|
|
|
|
.to_ta_event_getmsg = pt_ta_event_getmsg,
|
|
|
|
.to_ta_map_id2thr = pt_ta_map_id2thr,
|
|
|
|
.to_ta_map_lwp2thr = pt_ta_map_lwp2thr,
|
|
|
|
.to_ta_new = pt_ta_new,
|
|
|
|
.to_ta_set_event = pt_ta_set_event,
|
|
|
|
.to_ta_thr_iter = pt_ta_thr_iter,
|
|
|
|
.to_ta_tsd_iter = pt_ta_tsd_iter,
|
|
|
|
.to_thr_clear_event = pt_thr_clear_event,
|
|
|
|
.to_thr_dbresume = pt_thr_dbresume,
|
|
|
|
.to_thr_dbsuspend = pt_thr_dbsuspend,
|
|
|
|
.to_thr_event_enable = pt_thr_event_enable,
|
|
|
|
.to_thr_event_getmsg = pt_thr_event_getmsg,
|
2004-07-15 03:36:35 +00:00
|
|
|
.to_thr_get_info = pt_thr_get_info,
|
2004-07-18 04:17:15 +00:00
|
|
|
.to_thr_getfpregs = pt_thr_getfpregs,
|
2004-07-15 03:36:35 +00:00
|
|
|
.to_thr_getgregs = pt_thr_getgregs,
|
2004-07-18 04:17:15 +00:00
|
|
|
.to_thr_set_event = pt_thr_set_event,
|
2004-07-15 03:36:35 +00:00
|
|
|
.to_thr_setfpregs = pt_thr_setfpregs,
|
|
|
|
.to_thr_setgregs = pt_thr_setgregs,
|
2004-07-18 04:17:15 +00:00
|
|
|
.to_thr_validate = pt_thr_validate,
|
|
|
|
|
|
|
|
/* FreeBSD specific extensions. */
|
|
|
|
.to_thr_sstep = pt_thr_sstep,
|
2004-07-15 03:36:35 +00:00
|
|
|
};
|