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Extend the td_thrinfo_t to include siginfo for the signal that stopped

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the target. Take care of ABI.

Suggested by:	davidxu
MFC after:	2 weeks
This commit is contained in:
Konstantin Belousov 2010-07-04 12:08:04 +00:00
parent 8a26007903
commit 098d0537f2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209689
6 changed files with 71 additions and 3 deletions
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5
lib/libthread_db/Symbol.map
View File

@ -19,7 +19,6 @@ FBSD_1.0 {
td_thr_dbsuspend;
td_thr_event_enable;
td_thr_event_getmsg;
td_thr_get_info;
td_thr_getfpregs;
td_thr_getgregs;
#if defined(i386)
@ -33,3 +32,7 @@ FBSD_1.0 {
td_thr_tls_get_addr;
td_thr_validate;
};
FBSD_1.2 {
td_thr_get_info;
};

13
lib/libthread_db/libpthread_db.c
View File

@ -570,7 +570,7 @@ pt_thr_validate(const td_thrhandle_t *th)
}
static td_err_e
pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
pt_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info)
{
const td_thragent_t *ta = th->th_ta;
struct ptrace_lwpinfo linfo;
@ -659,6 +659,16 @@ pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
return (0);
}
static td_err_e
pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
{
td_err_e e;
e = pt_thr_old_get_info(th, (td_old_thrinfo_t *)info);
bzero(&info->ti_siginfo, sizeof(info->ti_siginfo));
return (e);
}
#ifdef __i386__
static td_err_e
pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave)
@ -1114,6 +1124,7 @@ struct ta_ops libpthread_db_ops = {
.to_thr_dbsuspend = pt_thr_dbsuspend,
.to_thr_event_enable = pt_thr_event_enable,
.to_thr_event_getmsg = pt_thr_event_getmsg,
.to_thr_old_get_info = pt_thr_old_get_info,
.to_thr_get_info = pt_thr_get_info,
.to_thr_getfpregs = pt_thr_getfpregs,
.to_thr_getgregs = pt_thr_getgregs,

24
lib/libthread_db/libthr_db.c
View File

@ -453,7 +453,7 @@ pt_thr_validate(const td_thrhandle_t *th)
}
static td_err_e
pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
pt_thr_get_info_common(const td_thrhandle_t *th, td_thrinfo_t *info, int old)
{
const td_thragent_t *ta = th->th_ta;
struct ptrace_lwpinfo linfo;
@ -489,6 +489,13 @@ pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
if (ret == PS_OK) {
info->ti_sigmask = linfo.pl_sigmask;
info->ti_pending = linfo.pl_siglist;
if (!old) {
if ((linfo.pl_flags & PL_FLAG_SI) != 0)
info->ti_siginfo = linfo.pl_siginfo;
else
bzero(&info->ti_siginfo,
sizeof(info->ti_siginfo));
}
} else
return (ret);
if (state == ta->thread_state_running)
@ -501,6 +508,20 @@ pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
return (0);
}
static td_err_e
pt_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info)
{
return (pt_thr_get_info_common(th, (td_thrinfo_t *)info, 1));
}
static td_err_e
pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
{
return (pt_thr_get_info_common(th, info, 0));
}
#ifdef __i386__
static td_err_e
pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave)
@ -761,6 +782,7 @@ struct ta_ops libthr_db_ops = {
.to_thr_dbsuspend = pt_thr_dbsuspend,
.to_thr_event_enable = pt_thr_event_enable,
.to_thr_event_getmsg = pt_thr_event_getmsg,
.to_thr_old_get_info = pt_thr_old_get_info,
.to_thr_get_info = pt_thr_get_info,
.to_thr_getfpregs = pt_thr_getfpregs,
.to_thr_getgregs = pt_thr_getgregs,

8
lib/libthread_db/thread_db.c
View File

@ -175,6 +175,14 @@ td_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
return (ta->ta_ops->to_thr_event_getmsg(th, msg));
}
td_err_e
td_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info)
{
const td_thragent_t *ta = th->th_ta;
return (ta->ta_ops->to_thr_old_get_info(th, info));
}
__sym_compat(td_thr_get_info, td_thr_old_get_info, FBSD_1.0);
td_err_e
td_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
{

1
lib/libthread_db/thread_db.h
View File

@ -191,6 +191,7 @@ typedef struct {
psaddr_t ti_startfunc;
psaddr_t ti_stkbase;
size_t ti_stksize;
siginfo_t ti_siginfo;
} td_thrinfo_t;
/*

23
lib/libthread_db/thread_db_int.h
View File

@ -32,6 +32,25 @@
#include <sys/types.h>
#include <sys/queue.h>
typedef struct {
const td_thragent_t *ti_ta_p;
thread_t ti_tid;
psaddr_t ti_thread;
td_thr_state_e ti_state;
td_thr_type_e ti_type;
td_thr_events_t ti_events;
int ti_pri;
lwpid_t ti_lid;
char ti_db_suspended;
char ti_traceme;
sigset_t ti_sigmask;
sigset_t ti_pending;
psaddr_t ti_tls;
psaddr_t ti_startfunc;
psaddr_t ti_stkbase;
size_t ti_stksize;
} td_old_thrinfo_t;
#define TD_THRAGENT_FIELDS \
struct ta_ops *ta_ops; \
TAILQ_ENTRY(td_thragent) ta_next; \
@ -65,6 +84,8 @@ struct ta_ops {
td_err_e (*to_thr_event_enable)(const td_thrhandle_t *, int);
td_err_e (*to_thr_event_getmsg)(const td_thrhandle_t *,
td_event_msg_t *);
td_err_e (*to_thr_old_get_info)(const td_thrhandle_t *,
td_old_thrinfo_t *);
td_err_e (*to_thr_get_info)(const td_thrhandle_t *, td_thrinfo_t *);
td_err_e (*to_thr_getfpregs)(const td_thrhandle_t *, prfpregset_t *);
td_err_e (*to_thr_getgregs)(const td_thrhandle_t *, prgregset_t);
@ -103,4 +124,6 @@ int thr_pwrite_int(const struct td_thragent *, psaddr_t, uint32_t);
int thr_pwrite_long(const struct td_thragent *, psaddr_t, uint64_t);
int thr_pwrite_ptr(const struct td_thragent *, psaddr_t, psaddr_t);
td_err_e td_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info);
#endif /* _THREAD_DB_INT_H_ */