#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
+#include <dlfcn.h>
extern struct target_ops sol_thread_ops; /* Forward declaration */
#define GET_THREAD(THREAD_ID) (((THREAD_ID) >> 16) & 0x7fff)
#define BUILD_LWP(LWP_ID, PID) ((LWP_ID) << 16 | (PID))
#define BUILD_THREAD(THREAD_ID, PID) (THREAD_FLAG | BUILD_LWP (THREAD_ID, PID))
+
+/* Pointers to routines from lithread_db resolved by dlopen() */
+
+static void
+ (*p_td_log) (const int on_off);
+static td_err_e
+ (*p_td_ta_new) (const struct ps_prochandle *ph_p, td_thragent_t **ta_pp);
+static td_err_e
+ (*p_td_ta_delete) (td_thragent_t *ta_p);
+static td_err_e
+ (*p_td_init) (void);
+static td_err_e
+ (*p_td_ta_get_ph) (const td_thragent_t *ta_p, struct ps_prochandle **ph_pp);
+static td_err_e
+ (*p_td_ta_get_nthreads) (const td_thragent_t *ta_p, int *nthread_p);
+static td_err_e
+ (*p_td_ta_tsd_iter) (const td_thragent_t *ta_p, td_key_iter_f *cb, void *cbdata_p);
+static td_err_e
+ (*p_td_ta_thr_iter) (const td_thragent_t *ta_p, td_thr_iter_f *cb, void *cbdata_p, td_thr_state_e state,
+ int ti_pri, sigset_t *ti_sigmask_p, unsigned ti_user_flags);
+static td_err_e
+ (*p_td_thr_validate) (const td_thrhandle_t *th_p);
+static td_err_e
+ (*p_td_thr_tsd) (const td_thrhandle_t *th_p, const thread_key_t key, void **data_pp);
+static td_err_e
+ (*p_td_thr_get_info) (const td_thrhandle_t *th_p, td_thrinfo_t *ti_p);
+static td_err_e
+ (*p_td_thr_getfpregs) (const td_thrhandle_t *th_p, prfpregset_t *fpregset);
+static td_err_e
+ (*p_td_thr_getxregsize) (const td_thrhandle_t *th_p, int *xregsize);
+static td_err_e
+ (*p_td_thr_getxregs) (const td_thrhandle_t *th_p, const caddr_t xregset);
+static td_err_e
+ (*p_td_thr_sigsetmask) (const td_thrhandle_t *th_p, const sigset_t ti_sigmask);
+static td_err_e
+ (*p_td_thr_setprio) (const td_thrhandle_t *th_p, const int ti_pri);
+static td_err_e
+ (*p_td_thr_setsigpending) (const td_thrhandle_t *th_p, const uchar_t ti_pending_flag, const sigset_t ti_pending);
+static td_err_e
+ (*p_td_thr_setfpregs) (const td_thrhandle_t *th_p, const prfpregset_t *fpregset);
+static td_err_e
+ (*p_td_thr_setxregs) (const td_thrhandle_t *th_p, const caddr_t xregset);
+static td_err_e
+ (*p_td_ta_map_id2thr) (const td_thragent_t *ta_p, thread_t tid, td_thrhandle_t *th_p);
+static td_err_e
+ (*p_td_ta_map_lwp2thr) (const td_thragent_t *ta_p, lwpid_t lwpid, td_thrhandle_t *th_p);
+static td_err_e
+ (*p_td_thr_getgregs) (const td_thrhandle_t *th_p, prgregset_t regset);
+static td_err_e
+ (*p_td_thr_setgregs) (const td_thrhandle_t *th_p, const prgregset_t regset);
\f
/*
pid = PIDGET (thread_id);
thread_id = GET_THREAD(thread_id);
- val = td_ta_map_id2thr (main_ta, thread_id, &th);
+ val = p_td_ta_map_id2thr (main_ta, thread_id, &th);
if (val != TD_OK)
error ("thread_to_lwp: td_ta_map_id2thr %s", td_err_string (val));
- val = td_thr_get_info (&th, &ti);
+ val = p_td_thr_get_info (&th, &ti);
if (val != TD_OK)
error ("thread_to_lwp: td_thr_get_info: %s", td_err_string (val));
pid = PIDGET (lwp);
lwp = GET_LWP (lwp);
- val = td_ta_map_lwp2thr (main_ta, lwp, &th);
+ val = p_td_ta_map_lwp2thr (main_ta, lwp, &th);
if (val != TD_OK)
error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val));
- val = td_thr_get_info (&th, &ti);
+ val = p_td_thr_get_info (&th, &ti);
if (val != TD_OK)
error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val));
if (thread == 0)
error ("sol_thread_fetch_registers: thread == 0");
- val = td_ta_map_id2thr (main_ta, thread, &thandle);
+ val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
error ("sol_thread_fetch_registers: td_ta_map_id2thr: %s",
td_err_string (val));
/* Get the integer regs */
- val = td_thr_getgregs (&thandle, gregset);
+ val = p_td_thr_getgregs (&thandle, gregset);
if (val != TD_OK
&& val != TD_PARTIALREG)
error ("sol_thread_fetch_registers: td_thr_getgregs %s",
/* And, now the fp regs */
- val = td_thr_getfpregs (&thandle, &fpregset);
+ val = p_td_thr_getfpregs (&thandle, &fpregset);
if (val != TD_OK
&& val != TD_NOFPREGS)
error ("sol_thread_fetch_registers: td_thr_getfpregs %s",
thread = GET_THREAD (inferior_pid);
- val = td_ta_map_id2thr (main_ta, thread, &thandle);
+ val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
error ("sol_thread_store_registers: td_ta_map_id2thr %s",
td_err_string (val));
if (regno != -1)
{ /* Not writing all the regs */
- val = td_thr_getgregs (&thandle, regset);
+ val = p_td_thr_getgregs (&thandle, regset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_getgregs %s",
td_err_string (val));
- val = td_thr_getfpregs (&thandle, &fpregset);
+ val = p_td_thr_getfpregs (&thandle, &fpregset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_getfpregs %s",
td_err_string (val));
fill_gregset (regset, regno);
fill_fpregset (fpregset, regno);
- val = td_thr_setgregs (&thandle, regset);
+ val = p_td_thr_setgregs (&thandle, regset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_setgregs %s",
td_err_string (val));
- val = td_thr_setfpregs (&thandle, &fpregset);
+ val = p_td_thr_setfpregs (&thandle, &fpregset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_setfpregs %s",
td_err_string (val));
the shared libraries are located because it needs information from the
user's thread library. */
- val = td_init ();
+ val = p_td_init ();
if (val != TD_OK)
error ("target_new_objfile: td_init: %s", td_err_string (val));
- val = td_ta_new (&main_ph, &main_ta);
+ val = p_td_ta_new (&main_ph, &main_ta);
if (val == TD_NOLIBTHREAD)
return;
else if (val != TD_OK)
"Solaris threads and pthread support.", /* to_doc */
sol_thread_open, /* to_open */
0, /* to_close */
- sol_thread_attach, /* to_attach */
+ sol_thread_attach, /* to_attach */
sol_thread_detach, /* to_detach */
- sol_thread_resume, /* to_resume */
- sol_thread_wait, /* to_wait */
+ sol_thread_resume, /* to_resume */
+ sol_thread_wait, /* to_wait */
sol_thread_fetch_registers, /* to_fetch_registers */
sol_thread_store_registers, /* to_store_registers */
sol_thread_prepare_to_store, /* to_prepare_to_store */
- sol_thread_xfer_memory, /* to_xfer_memory */
- sol_thread_files_info, /* to_files_info */
+ sol_thread_xfer_memory, /* to_xfer_memory */
+ sol_thread_files_info, /* to_files_info */
memory_insert_breakpoint, /* to_insert_breakpoint */
memory_remove_breakpoint, /* to_remove_breakpoint */
terminal_init_inferior, /* to_terminal_init */
void
_initialize_sol_thread ()
{
+ void *dlhandle;
+
+ dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW);
+ if (!dlhandle)
+ goto die;
+
+#define resolve(X) \
+ if (!(p_##X = dlsym (dlhandle, #X))) \
+ goto die;
+
+ resolve (td_log);
+ resolve (td_ta_new);
+ resolve (td_ta_delete);
+ resolve (td_init);
+ resolve (td_ta_get_ph);
+ resolve (td_ta_get_nthreads);
+ resolve (td_ta_tsd_iter);
+ resolve (td_ta_thr_iter);
+ resolve (td_thr_validate);
+ resolve (td_thr_tsd);
+ resolve (td_thr_get_info);
+ resolve (td_thr_getfpregs);
+ resolve (td_thr_getxregsize);
+ resolve (td_thr_getxregs);
+ resolve (td_thr_sigsetmask);
+ resolve (td_thr_setprio);
+ resolve (td_thr_setsigpending);
+ resolve (td_thr_setfpregs);
+ resolve (td_thr_setxregs);
+ resolve (td_ta_map_id2thr);
+ resolve (td_ta_map_lwp2thr);
+ resolve (td_thr_getgregs);
+ resolve (td_thr_setgregs);
+
add_target (&sol_thread_ops);
procfs_suppress_run = 1;
+
+ return;
+
+ die:
+
+ fprintf_unfiltered (gdb_stderr, "[GDB will not be able to debug user-mode threads: %s]\n", dlerror ());
+
+ if (dlhandle)
+ dlclose (dlhandle);
+
+ return;
}
projects / deliverable / binutils-gdb.git / blobdiff