/* Solaris threads debugging interface.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "inferior.h"
#include <fcntl.h>
-#include "gdb_stat.h"
+#include <sys/stat.h>
#include <dlfcn.h>
#include "gdbcmd.h"
#include "gdbcore.h"
#include "solib.h"
#include "symfile.h"
#include "observer.h"
-
-#include "gdb_string.h"
-
-extern struct target_ops sol_thread_ops; /* Forward declaration */
-extern struct target_ops sol_core_ops; /* Forward declaration */
-
-/* place to store core_ops before we overwrite it */
-static struct target_ops orig_core_ops;
+#include "procfs.h"
+#include "symtab.h"
+#include "minsyms.h"
+#include "objfiles.h"
struct target_ops sol_thread_ops;
-struct target_ops sol_core_ops;
-
-extern int procfs_suppress_run;
-extern struct target_ops procfs_ops; /* target vector for procfs.c */
-extern struct target_ops core_ops; /* target vector for corelow.c */
-extern char *procfs_pid_to_str (ptid_t ptid);
-/* Prototypes for supply_gregset etc. */
+/* Prototypes for supply_gregset etc. */
#include "gregset.h"
/* This struct is defined by us, but mainly used for the proc_service
struct string_map
{
int num;
- char *str;
+ const char *str;
};
static struct ps_prochandle main_ph;
static td_thragent_t *main_ta;
static int sol_thread_active = 0;
-static void sol_thread_resume (ptid_t ptid, int step, enum target_signal signo);
-static int sol_thread_alive (ptid_t ptid);
-static void sol_core_close (int quitting);
-
static void init_sol_thread_ops (void);
-static void init_sol_core_ops (void);
/* Default definitions: These must be defined in tm.h if they are to
be shared with a process module such as procfs. */
-#define GET_PID(ptid) ptid_get_pid (ptid)
-#define GET_LWP(ptid) ptid_get_lwp (ptid)
-#define GET_THREAD(ptid) ptid_get_tid (ptid)
-
-#define is_lwp(ptid) (GET_LWP (ptid) != 0)
-#define is_thread(ptid) (GET_THREAD (ptid) != 0)
-
-#define BUILD_LWP(lwp, pid) ptid_build (pid, lwp, 0)
-#define BUILD_THREAD(tid, pid) ptid_build (pid, 0, tid)
+/* Types of the libthread_db functions. */
+
+typedef void (td_log_ftype)(const int on_off);
+typedef td_err_e (td_ta_new_ftype)(const struct ps_prochandle *ph_p,
+ td_thragent_t **ta_pp);
+typedef td_err_e (td_ta_delete_ftype)(td_thragent_t *ta_p);
+typedef td_err_e (td_init_ftype)(void);
+typedef td_err_e (td_ta_get_ph_ftype)(const td_thragent_t *ta_p,
+ struct ps_prochandle **ph_pp);
+typedef td_err_e (td_ta_get_nthreads_ftype)(const td_thragent_t *ta_p,
+ int *nthread_p);
+typedef td_err_e (td_ta_tsd_iter_ftype)(const td_thragent_t *ta_p,
+ td_key_iter_f *cb, void *cbdata_p);
+typedef td_err_e (td_ta_thr_iter_ftype)(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);
+typedef td_err_e (td_thr_validate_ftype)(const td_thrhandle_t *th_p);
+typedef td_err_e (td_thr_tsd_ftype)(const td_thrhandle_t * th_p,
+ const thread_key_t key, void **data_pp);
+typedef td_err_e (td_thr_get_info_ftype)(const td_thrhandle_t *th_p,
+ td_thrinfo_t *ti_p);
+typedef td_err_e (td_thr_getfpregs_ftype)(const td_thrhandle_t *th_p,
+ prfpregset_t *fpregset);
+typedef td_err_e (td_thr_getxregsize_ftype)(const td_thrhandle_t *th_p,
+ int *xregsize);
+typedef td_err_e (td_thr_getxregs_ftype)(const td_thrhandle_t *th_p,
+ const caddr_t xregset);
+typedef td_err_e (td_thr_sigsetmask_ftype)(const td_thrhandle_t *th_p,
+ const sigset_t ti_sigmask);
+typedef td_err_e (td_thr_setprio_ftype)(const td_thrhandle_t *th_p,
+ const int ti_pri);
+typedef td_err_e (td_thr_setsigpending_ftype)(const td_thrhandle_t *th_p,
+ const uchar_t ti_pending_flag,
+ const sigset_t ti_pending);
+typedef td_err_e (td_thr_setfpregs_ftype)(const td_thrhandle_t *th_p,
+ const prfpregset_t *fpregset);
+typedef td_err_e (td_thr_setxregs_ftype)(const td_thrhandle_t *th_p,
+ const caddr_t xregset);
+typedef td_err_e (td_ta_map_id2thr_ftype)(const td_thragent_t *ta_p,
+ thread_t tid,
+ td_thrhandle_t *th_p);
+typedef td_err_e (td_ta_map_lwp2thr_ftype)(const td_thragent_t *ta_p,
+ lwpid_t lwpid,
+ td_thrhandle_t *th_p);
+typedef td_err_e (td_thr_getgregs_ftype)(const td_thrhandle_t *th_p,
+ prgregset_t regset);
+typedef td_err_e (td_thr_setgregs_ftype)(const td_thrhandle_t *th_p,
+ const prgregset_t regset);
/* Pointers to routines from libthread_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);
+static td_log_ftype *p_td_log;
+static td_ta_new_ftype *p_td_ta_new;
+static td_ta_delete_ftype *p_td_ta_delete;
+static td_init_ftype *p_td_init;
+static td_ta_get_ph_ftype *p_td_ta_get_ph;
+static td_ta_get_nthreads_ftype *p_td_ta_get_nthreads;
+static td_ta_tsd_iter_ftype *p_td_ta_tsd_iter;
+static td_ta_thr_iter_ftype *p_td_ta_thr_iter;
+static td_thr_validate_ftype *p_td_thr_validate;
+static td_thr_tsd_ftype *p_td_thr_tsd;
+static td_thr_get_info_ftype *p_td_thr_get_info;
+static td_thr_getfpregs_ftype *p_td_thr_getfpregs;
+static td_thr_getxregsize_ftype *p_td_thr_getxregsize;
+static td_thr_getxregs_ftype *p_td_thr_getxregs;
+static td_thr_sigsetmask_ftype *p_td_thr_sigsetmask;
+static td_thr_setprio_ftype *p_td_thr_setprio;
+static td_thr_setsigpending_ftype *p_td_thr_setsigpending;
+static td_thr_setfpregs_ftype *p_td_thr_setfpregs;
+static td_thr_setxregs_ftype *p_td_thr_setxregs;
+static td_ta_map_id2thr_ftype *p_td_ta_map_id2thr;
+static td_ta_map_lwp2thr_ftype *p_td_ta_map_lwp2thr;
+static td_thr_getgregs_ftype *p_td_thr_getgregs;
+static td_thr_setgregs_ftype *p_td_thr_setgregs;
\f
/* Return the libthread_db error string associated with ERRCODE. If
ERRCODE is unknown, return an appropriate message. */
-static char *
+static const char *
td_err_string (td_err_e errcode)
{
static struct string_map td_err_table[] =
if (td_err_table[i].num == errcode)
return td_err_table[i].str;
- sprintf (buf, "Unknown libthread_db error code: %d", errcode);
+ xsnprintf (buf, sizeof (buf), "Unknown libthread_db error code: %d",
+ errcode);
return buf;
}
-/* Return the the libthread_db state string assicoated with STATECODE.
+/* Return the libthread_db state string assicoated with STATECODE.
If STATECODE is unknown, return an appropriate message. */
-static char *
+static const char *
td_state_string (td_thr_state_e statecode)
{
static struct string_map td_thr_state_table[] =
if (td_thr_state_table[i].num == statecode)
return td_thr_state_table[i].str;
- sprintf (buf, "Unknown libthread_db state code: %d", statecode);
+ xsnprintf (buf, sizeof (buf), "Unknown libthread_db state code: %d",
+ statecode);
return buf;
}
/* Convert a POSIX or Solaris thread ID into a LWP ID. If THREAD_ID
doesn't exist, that's an error. If it's an inactive thread, return
- DEFAULT_LPW.
+ DEFAULT_LWP.
NOTE: This function probably shouldn't call error(). */
td_thrhandle_t th;
td_err_e val;
- if (is_lwp (thread_id))
+ if (ptid_lwp_p (thread_id))
return thread_id; /* It's already an LWP ID. */
/* It's a thread. Convert to LWP. */
- val = p_td_ta_map_id2thr (main_ta, GET_THREAD (thread_id), &th);
+ val = p_td_ta_map_id2thr (main_ta, ptid_get_tid (thread_id), &th);
if (val == TD_NOTHR)
return pid_to_ptid (-1); /* Thread must have terminated. */
else if (val != TD_OK)
td_state_string (ti.ti_state));
}
- return BUILD_LWP (ti.ti_lid, PIDGET (thread_id));
+ return ptid_build (ptid_get_pid (thread_id), ti.ti_lid, 0);
}
/* Convert an LWP ID into a POSIX or Solaris thread ID. If LWP_ID
td_thrhandle_t th;
td_err_e val;
- if (is_thread (lwp))
+ if (ptid_tid_p (lwp))
return lwp; /* It's already a thread ID. */
/* It's an LWP. Convert it to a thread ID. */
- if (!sol_thread_alive (lwp))
+ if (!target_thread_alive (lwp))
return pid_to_ptid (-1); /* Must be a defunct LPW. */
- val = p_td_ta_map_lwp2thr (main_ta, GET_LWP (lwp), &th);
+ val = p_td_ta_map_lwp2thr (main_ta, ptid_get_lwp (lwp), &th);
if (val == TD_NOTHR)
return pid_to_ptid (-1); /* Thread must have terminated. */
else if (val != TD_OK)
else if (val != TD_OK)
error (_("lwp_to_thread: td_thr_get_info: %s."), td_err_string (val));
- return BUILD_THREAD (ti.ti_tid, PIDGET (lwp));
+ return ptid_build (ptid_get_pid (lwp), 0 , ti.ti_tid);
}
\f
/* Most target vector functions from here on actually just pass
- through to procfs.c, as they don't need to do anything specific for
- threads. */
-
-static void
-sol_thread_open (char *arg, int from_tty)
-{
- procfs_ops.to_open (arg, from_tty);
-}
-
-/* Attach to process PID, then initialize for debugging it and wait
- for the trace-trap that results from attaching. */
-
-static void
-sol_thread_attach (char *args, int from_tty)
-{
- procfs_ops.to_attach (args, from_tty);
-
- /* Must get symbols from shared libraries before libthread_db can run! */
- solib_add (NULL, from_tty, (struct target_ops *) 0, auto_solib_add);
-
- if (sol_thread_active)
- {
- printf_filtered ("sol-thread active.\n");
- main_ph.ptid = inferior_ptid; /* Save for xfer_memory. */
- push_target (&sol_thread_ops);
- inferior_ptid = lwp_to_thread (inferior_ptid);
- if (PIDGET (inferior_ptid) == -1)
- inferior_ptid = main_ph.ptid;
- else
- add_thread (inferior_ptid);
- }
-
- /* FIXME: Might want to iterate over all the threads and register
- them. */
-}
+ through to the layer beneath, as they don't need to do anything
+ specific for threads. */
/* Take a program previously attached to and detaches it. The program
resumes execution and will no longer stop on signals, etc. We'd
program was started via the normal ptrace (PTRACE_TRACEME). */
static void
-sol_thread_detach (char *args, int from_tty)
+sol_thread_detach (struct target_ops *ops, const char *args, int from_tty)
{
- inferior_ptid = pid_to_ptid (PIDGET (main_ph.ptid));
- unpush_target (&sol_thread_ops);
- procfs_ops.to_detach (args, from_tty);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ sol_thread_active = 0;
+ inferior_ptid = pid_to_ptid (ptid_get_pid (main_ph.ptid));
+ unpush_target (ops);
+ beneath->to_detach (beneath, args, from_tty);
}
/* Resume execution of process PTID. If STEP is nozero, then just
ID for procfs. */
static void
-sol_thread_resume (ptid_t ptid, int step, enum target_signal signo)
+sol_thread_resume (struct target_ops *ops,
+ ptid_t ptid, int step, enum gdb_signal signo)
{
- struct cleanup *old_chain;
+ struct target_ops *beneath = find_target_beneath (ops);
- old_chain = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- inferior_ptid = thread_to_lwp (inferior_ptid, PIDGET (main_ph.ptid));
- if (PIDGET (inferior_ptid) == -1)
+ inferior_ptid = thread_to_lwp (inferior_ptid, ptid_get_pid (main_ph.ptid));
+ if (ptid_get_pid (inferior_ptid) == -1)
inferior_ptid = procfs_first_available ();
- if (PIDGET (ptid) != -1)
+ if (ptid_get_pid (ptid) != -1)
{
ptid_t save_ptid = ptid;
ptid = thread_to_lwp (ptid, -2);
- if (PIDGET (ptid) == -2) /* Inactive thread. */
+ if (ptid_get_pid (ptid) == -2) /* Inactive thread. */
error (_("This version of Solaris can't start inactive threads."));
- if (info_verbose && PIDGET (ptid) == -1)
+ if (info_verbose && ptid_get_pid (ptid) == -1)
warning (_("Specified thread %ld seems to have terminated"),
- GET_THREAD (save_ptid));
+ ptid_get_tid (save_ptid));
}
- procfs_ops.to_resume (ptid, step, signo);
-
- do_cleanups (old_chain);
+ beneath->to_resume (beneath, ptid, step, signo);
}
-/* Wait for any threads to stop. We may have to convert PIID from a
+/* Wait for any threads to stop. We may have to convert PTID from a
thread ID to an LWP ID, and vice versa on the way out. */
static ptid_t
-sol_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
+sol_thread_wait (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *ourstatus, int options)
{
ptid_t rtnval;
ptid_t save_ptid;
- struct cleanup *old_chain;
+ struct target_ops *beneath = find_target_beneath (ops);
save_ptid = inferior_ptid;
- old_chain = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- inferior_ptid = thread_to_lwp (inferior_ptid, PIDGET (main_ph.ptid));
- if (PIDGET (inferior_ptid) == -1)
+ inferior_ptid = thread_to_lwp (inferior_ptid, ptid_get_pid (main_ph.ptid));
+ if (ptid_get_pid (inferior_ptid) == -1)
inferior_ptid = procfs_first_available ();
- if (PIDGET (ptid) != -1)
+ if (ptid_get_pid (ptid) != -1)
{
ptid_t save_ptid = ptid;
ptid = thread_to_lwp (ptid, -2);
- if (PIDGET (ptid) == -2) /* Inactive thread. */
+ if (ptid_get_pid (ptid) == -2) /* Inactive thread. */
error (_("This version of Solaris can't start inactive threads."));
- if (info_verbose && PIDGET (ptid) == -1)
+ if (info_verbose && ptid_get_pid (ptid) == -1)
warning (_("Specified thread %ld seems to have terminated"),
- GET_THREAD (save_ptid));
+ ptid_get_tid (save_ptid));
}
- rtnval = procfs_ops.to_wait (ptid, ourstatus);
+ rtnval = beneath->to_wait (beneath, ptid, ourstatus, options);
if (ourstatus->kind != TARGET_WAITKIND_EXITED)
{
/* Map the LWP of interest back to the appropriate thread ID. */
rtnval = lwp_to_thread (rtnval);
- if (PIDGET (rtnval) == -1)
+ if (ptid_get_pid (rtnval) == -1)
rtnval = save_ptid;
/* See if we have a new thread. */
- if (is_thread (rtnval)
+ if (ptid_tid_p (rtnval)
&& !ptid_equal (rtnval, save_ptid)
- && !in_thread_list (rtnval))
+ && (!in_thread_list (rtnval)
+ || is_exited (rtnval)))
add_thread (rtnval);
}
package being initialized, since that can only happen after we've
found the shared libs. */
- do_cleanups (old_chain);
-
return rtnval;
}
static void
-sol_thread_fetch_registers (struct regcache *regcache, int regnum)
+sol_thread_fetch_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
thread_t thread;
td_thrhandle_t thandle;
prfpregset_t fpregset;
gdb_gregset_t *gregset_p = &gregset;
gdb_fpregset_t *fpregset_p = &fpregset;
+ struct target_ops *beneath = find_target_beneath (ops);
+ ptid_t ptid = regcache_get_ptid (regcache);
-#if 0
- int xregsize;
- caddr_t xregset;
-#endif
-
- if (!is_thread (inferior_ptid))
+ if (!ptid_tid_p (ptid))
{
- /* It's an LWP; pass the request on to procfs. */
- if (target_has_execution)
- procfs_ops.to_fetch_registers (regcache, regnum);
- else
- orig_core_ops.to_fetch_registers (regcache, regnum);
+ /* It's an LWP; pass the request on to the layer beneath. */
+ beneath->to_fetch_registers (beneath, regcache, regnum);
return;
}
- /* Solaris thread: convert INFERIOR_PTID into a td_thrhandle_t. */
- thread = GET_THREAD (inferior_ptid);
+ /* Solaris thread: convert PTID into a td_thrhandle_t. */
+ thread = ptid_get_tid (ptid);
if (thread == 0)
error (_("sol_thread_fetch_registers: thread == 0"));
supply_gregset (regcache, (const gdb_gregset_t *) gregset_p);
supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset_p);
-
-#if 0
- /* FIXME: libthread_db doesn't seem to handle this right. */
- val = td_thr_getxregsize (&thandle, &xregsize);
- if (val != TD_OK && val != TD_NOXREGS)
- error (_("sol_thread_fetch_registers: td_thr_getxregsize %s"),
- td_err_string (val));
-
- if (val == TD_OK)
- {
- xregset = alloca (xregsize);
- val = td_thr_getxregs (&thandle, xregset);
- if (val != TD_OK)
- error (_("sol_thread_fetch_registers: td_thr_getxregs %s"),
- td_err_string (val));
- }
-#endif
}
static void
-sol_thread_store_registers (struct regcache *regcache, int regnum)
+sol_thread_store_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
thread_t thread;
td_thrhandle_t thandle;
td_err_e val;
prgregset_t gregset;
prfpregset_t fpregset;
-#if 0
- int xregsize;
- caddr_t xregset;
-#endif
+ ptid_t ptid = regcache_get_ptid (regcache);
- if (!is_thread (inferior_ptid))
+ if (!ptid_tid_p (ptid))
{
- /* It's an LWP; pass the request on to procfs.c. */
- procfs_ops.to_store_registers (regcache, regnum);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ /* It's an LWP; pass the request on to the layer beneath. */
+ beneath->to_store_registers (beneath, regcache, regnum);
return;
}
- /* Solaris thread: convert INFERIOR_PTID into a td_thrhandle_t. */
- thread = GET_THREAD (inferior_ptid);
+ /* Solaris thread: convert PTID into a td_thrhandle_t. */
+ thread = ptid_get_tid (ptid);
val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
if (regnum != -1)
{
- /* Not writing all the registers. */
- char old_value[MAX_REGISTER_SIZE];
-
- /* Save new register value. */
- regcache_raw_collect (regcache, regnum, old_value);
-
val = p_td_thr_getgregs (&thandle, gregset);
if (val != TD_OK)
error (_("sol_thread_store_registers: td_thr_getgregs %s"),
if (val != TD_OK)
error (_("sol_thread_store_registers: td_thr_getfpregs %s"),
td_err_string (val));
-
- /* Restore new register value. */
- regcache_raw_supply (regcache, regnum, old_value);
-
-#if 0
- /* FIXME: libthread_db doesn't seem to handle this right. */
- val = td_thr_getxregsize (&thandle, &xregsize);
- if (val != TD_OK && val != TD_NOXREGS)
- error (_("sol_thread_store_registers: td_thr_getxregsize %s"),
- td_err_string (val));
-
- if (val == TD_OK)
- {
- xregset = alloca (xregsize);
- val = td_thr_getxregs (&thandle, xregset);
- if (val != TD_OK)
- error (_("sol_thread_store_registers: td_thr_getxregs %s"),
- td_err_string (val));
- }
-#endif
}
fill_gregset (regcache, (gdb_gregset_t *) &gregset, regnum);
if (val != TD_OK)
error (_("sol_thread_store_registers: td_thr_setfpregs %s"),
td_err_string (val));
-
-#if 0
- /* FIXME: libthread_db doesn't seem to handle this right. */
- val = td_thr_getxregsize (&thandle, &xregsize);
- if (val != TD_OK && val != TD_NOXREGS)
- error (_("sol_thread_store_registers: td_thr_getxregsize %s"),
- td_err_string (val));
-
- /* ??? Should probably do something about writing the xregs here,
- but what are they? */
-#endif
-}
-
-/* Get ready to modify the registers array. On machines which store
- individual registers, this doesn't need to do anything. On
- machines which store all the registers in one fell swoop, this
- makes sure that registers contains all the registers from the
- program being debugged. */
-
-static void
-sol_thread_prepare_to_store (struct regcache *regcache)
-{
- procfs_ops.to_prepare_to_store (regcache);
-}
-
-/* Transfer LEN bytes between GDB address MYADDR and target address
- MEMADDR. If DOWRITE is non-zero, transfer them to the target,
- otherwise transfer them from the target. TARGET is unused.
-
- Returns the number of bytes transferred. */
-
-static int
-sol_thread_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len,
- int dowrite, struct mem_attrib *attrib,
- struct target_ops *target)
-{
- int retval;
- struct cleanup *old_chain;
-
- old_chain = save_inferior_ptid ();
-
- if (is_thread (inferior_ptid) || !target_thread_alive (inferior_ptid))
- {
- /* It's either a thread or an LWP that isn't alive. Any live
- LWP will do so use the first available.
-
- NOTE: We don't need to call switch_to_thread; we're just
- reading memory. */
- inferior_ptid = procfs_first_available ();
- }
-
- if (target_has_execution)
- retval = procfs_ops.deprecated_xfer_memory (memaddr, myaddr, len,
- dowrite, attrib, target);
- else
- retval = orig_core_ops.deprecated_xfer_memory (memaddr, myaddr, len,
- dowrite, attrib, target);
-
- do_cleanups (old_chain);
-
- return retval;
}
/* Perform partial transfers on OBJECT. See target_read_partial and
target_write_partial for details of each variant. One, and only
one, of readbuf or writebuf must be non-NULL. */
-static LONGEST
+static enum target_xfer_status
sol_thread_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf,
const gdb_byte *writebuf,
- ULONGEST offset, LONGEST len)
+ ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
{
- int retval;
- struct cleanup *old_chain;
+ struct target_ops *beneath = find_target_beneath (ops);
- old_chain = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- if (is_thread (inferior_ptid) || !target_thread_alive (inferior_ptid))
+ if (ptid_tid_p (inferior_ptid) || !target_thread_alive (inferior_ptid))
{
/* It's either a thread or an LWP that isn't alive. Any live
LWP will do so use the first available.
inferior_ptid = procfs_first_available ();
}
- if (target_has_execution)
- retval = procfs_ops.to_xfer_partial (ops, object, annex,
- readbuf, writebuf, offset, len);
- else
- retval = orig_core_ops.to_xfer_partial (ops, object, annex,
- readbuf, writebuf, offset, len);
-
- do_cleanups (old_chain);
-
- return retval;
+ return beneath->to_xfer_partial (beneath, object, annex, readbuf,
+ writebuf, offset, len, xfered_len);
}
-/* Print status information about what we're accessing. */
-
static void
-sol_thread_files_info (struct target_ops *ignore)
+check_for_thread_db (void)
{
- procfs_ops.to_files_info (ignore);
-}
+ td_err_e err;
+ ptid_t ptid;
-static void
-sol_thread_kill_inferior (void)
-{
- procfs_ops.to_kill ();
-}
+ /* Don't attempt to use thread_db for remote targets. */
+ if (!(target_can_run (¤t_target) || core_bfd))
+ return;
-static void
-sol_thread_notice_signals (ptid_t ptid)
-{
- procfs_ops.to_notice_signals (pid_to_ptid (PIDGET (ptid)));
-}
+ /* Do nothing if we couldn't load libthread_db.so.1. */
+ if (p_td_ta_new == NULL)
+ return;
-/* Fork an inferior process, and start debugging it with /proc. */
+ if (sol_thread_active)
+ /* Nothing to do. The thread library was already detected and the
+ target vector was already activated. */
+ return;
-static void
-sol_thread_create_inferior (char *exec_file, char *allargs, char **env,
- int from_tty)
-{
- procfs_ops.to_create_inferior (exec_file, allargs, env, from_tty);
+ /* Now, initialize libthread_db. This needs to be done after the
+ shared libraries are located because it needs information from
+ the user's thread library. */
- if (sol_thread_active && !ptid_equal (inferior_ptid, null_ptid))
+ err = p_td_init ();
+ if (err != TD_OK)
{
- /* Save for xfer_memory. */
- main_ph.ptid = inferior_ptid;
+ warning (_("sol_thread_new_objfile: td_init: %s"), td_err_string (err));
+ return;
+ }
+
+ /* Now attempt to open a connection to the thread library. */
+ err = p_td_ta_new (&main_ph, &main_ta);
+ switch (err)
+ {
+ case TD_NOLIBTHREAD:
+ /* No thread library was detected. */
+ break;
+ case TD_OK:
+ printf_unfiltered (_("[Thread debugging using libthread_db enabled]\n"));
+
+ /* The thread library was detected. Activate the sol_thread target. */
push_target (&sol_thread_ops);
+ sol_thread_active = 1;
+
+ main_ph.ptid = inferior_ptid; /* Save for xfer_memory. */
+ ptid = lwp_to_thread (inferior_ptid);
+ if (ptid_get_pid (ptid) != -1)
+ inferior_ptid = ptid;
- inferior_ptid = lwp_to_thread (inferior_ptid);
- if (PIDGET (inferior_ptid) == -1)
- inferior_ptid = main_ph.ptid;
+ target_update_thread_list ();
+ break;
- if (!in_thread_list (inferior_ptid))
- add_thread (inferior_ptid);
+ default:
+ warning (_("Cannot initialize thread debugging library: %s"),
+ td_err_string (err));
+ break;
}
}
static void
sol_thread_new_objfile (struct objfile *objfile)
{
- td_err_e val;
-
- if (!objfile)
- {
- sol_thread_active = 0;
- return;
- }
-
- /* Don't do anything if init failed to resolve the libthread_db
- library. */
- if (!procfs_suppress_run)
- return;
-
- /* Now, initialize libthread_db. This needs to be done after the
- shared libraries are located because it needs information from
- the user's thread library. */
-
- val = p_td_init ();
- if (val != TD_OK)
- {
- warning (_("sol_thread_new_objfile: td_init: %s"), td_err_string (val));
- return;
- }
-
- val = p_td_ta_new (&main_ph, &main_ta);
- if (val == TD_NOLIBTHREAD)
- return;
- else if (val != TD_OK)
- {
- warning (_("sol_thread_new_objfile: td_ta_new: %s"), td_err_string (val));
- return;
- }
-
- sol_thread_active = 1;
+ if (objfile != NULL)
+ check_for_thread_db ();
}
/* Clean up after the inferior dies. */
static void
-sol_thread_mourn_inferior (void)
+sol_thread_mourn_inferior (struct target_ops *ops)
{
- unpush_target (&sol_thread_ops);
- procfs_ops.to_mourn_inferior ();
-}
-
-/* Mark our target-struct as eligible for stray "run" and "attach"
- commands. */
-
-static int
-sol_thread_can_run (void)
-{
- return procfs_suppress_run;
-}
-
-/*
-
- LOCAL FUNCTION
+ struct target_ops *beneath = find_target_beneath (ops);
- sol_thread_alive - test thread for "aliveness"
+ sol_thread_active = 0;
- SYNOPSIS
+ unpush_target (ops);
- static bool sol_thread_alive (ptid_t ptid);
-
- DESCRIPTION
-
- returns true if thread still active in inferior.
-
- */
+ beneath->to_mourn_inferior (beneath);
+}
/* Return true if PTID is still active in the inferior. */
static int
-sol_thread_alive (ptid_t ptid)
+sol_thread_alive (struct target_ops *ops, ptid_t ptid)
{
- if (is_thread (ptid))
+ if (ptid_tid_p (ptid))
{
/* It's a (user-level) thread. */
td_err_e val;
td_thrhandle_t th;
int pid;
- pid = GET_THREAD (ptid);
+ pid = ptid_get_tid (ptid);
if ((val = p_td_ta_map_id2thr (main_ta, pid, &th)) != TD_OK)
return 0; /* Thread not found. */
if ((val = p_td_thr_validate (&th)) != TD_OK)
}
else
{
- /* It's an LPW; pass the request on to procfs. */
- if (target_has_execution)
- return procfs_ops.to_thread_alive (ptid);
- else
- return orig_core_ops.to_thread_alive (ptid);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ /* It's an LPW; pass the request on to the layer below. */
+ return beneath->to_thread_alive (beneath, ptid);
}
}
-static void
-sol_thread_stop (ptid_t ptid)
-{
- procfs_ops.to_stop (ptid);
-}
\f
/* These routines implement the lower half of the thread_db interface,
i.e. the ps_* routines. */
Which one you have depends on the Solaris version and what patches
you've applied. On the theory that there are only two major
variants, we have configure check the prototype of ps_pdwrite (),
- and use that info to make appropriate typedefs here. */
+ and use that info to make appropriate typedefs here. */
#ifdef PROC_SERVICE_IS_OLD
typedef const struct ps_prochandle *gdb_ps_prochandle_t;
ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *ld_object_name,
const char *ld_symbol_name, gdb_ps_addr_t *ld_symbol_addr)
{
- struct minimal_symbol *ms;
+ struct bound_minimal_symbol ms;
ms = lookup_minimal_symbol (ld_symbol_name, NULL, NULL);
- if (!ms)
+ if (!ms.minsym)
return PS_NOSYM;
- *ld_symbol_addr = SYMBOL_VALUE_ADDRESS (ms);
+ *ld_symbol_addr = BMSYMBOL_VALUE_ADDRESS (ms);
return PS_OK;
}
static ps_err_e
rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr,
- char *buf, int size)
+ gdb_byte *buf, int size)
{
- struct cleanup *old_chain;
+ int ret;
- old_chain = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- if (is_thread (inferior_ptid) || !target_thread_alive (inferior_ptid))
+ if (ptid_tid_p (inferior_ptid) || !target_thread_alive (inferior_ptid))
{
/* It's either a thread or an LWP that isn't alive. Any live
LWP will do so use the first available.
addr &= 0xffffffff;
#endif
- while (size > 0)
- {
- int cc;
-
- /* FIXME: passing 0 as attrib argument. */
- if (target_has_execution)
- cc = procfs_ops.deprecated_xfer_memory (addr, buf, size,
- dowrite, 0, &procfs_ops);
- else
- cc = orig_core_ops.deprecated_xfer_memory (addr, buf, size,
- dowrite, 0, &core_ops);
-
- if (cc < 0)
- {
- if (dowrite == 0)
- print_sys_errmsg ("rw_common (): read", errno);
- else
- print_sys_errmsg ("rw_common (): write", errno);
-
- do_cleanups (old_chain);
-
- return PS_ERR;
- }
- else if (cc == 0)
- {
- if (dowrite == 0)
- warning (_("rw_common (): unable to read at addr 0x%lx"),
- (long) addr);
- else
- warning (_("rw_common (): unable to write at addr 0x%lx"),
- (long) addr);
-
- do_cleanups (old_chain);
-
- return PS_ERR;
- }
-
- size -= cc;
- buf += cc;
- }
-
- do_cleanups (old_chain);
+ if (dowrite)
+ ret = target_write_memory (addr, (gdb_byte *) buf, size);
+ else
+ ret = target_read_memory (addr, (gdb_byte *) buf, size);
- return PS_OK;
+ return (ret == 0 ? PS_OK : PS_ERR);
}
/* Copies SIZE bytes from target process .data segment to debugger memory. */
ps_pdread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_read_buf_t buf, gdb_ps_size_t size)
{
- return rw_common (0, ph, addr, buf, size);
+ return rw_common (0, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from debugger memory .data segment to target process. */
ps_pdwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_write_buf_t buf, gdb_ps_size_t size)
{
- return rw_common (1, ph, addr, (char *) buf, size);
+ return rw_common (1, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from target process .text segment to debugger memory. */
ps_ptread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_read_buf_t buf, gdb_ps_size_t size)
{
- return rw_common (0, ph, addr, buf, size);
+ return rw_common (0, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from debugger memory .text segment to target process. */
ps_ptwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
gdb_ps_write_buf_t buf, gdb_ps_size_t size)
{
- return rw_common (1, ph, addr, (char *) buf, size);
+ return rw_common (1, ph, addr, (gdb_byte *) buf, size);
}
/* Get general-purpose registers for LWP. */
ps_err_e
ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, prgregset_t gregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
+ ptid_t ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (ptid, target_gdbarch ());
- inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid));
- regcache = get_thread_regcache (inferior_ptid);
-
- if (target_has_execution)
- procfs_ops.to_fetch_registers (regcache, -1);
- else
- orig_core_ops.to_fetch_registers (regcache, -1);
+ target_fetch_registers (regcache, -1);
fill_gregset (regcache, (gdb_gregset_t *) gregset, -1);
- do_cleanups (old_chain);
-
return PS_OK;
}
ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
const prgregset_t gregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid));
- regcache = get_thread_regcache (inferior_ptid);
+ ptid_t ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (ptid, target_gdbarch ());
supply_gregset (regcache, (const gdb_gregset_t *) gregset);
- if (target_has_execution)
- procfs_ops.to_store_registers (regcache, -1);
- else
- orig_core_ops.to_store_registers (regcache, -1);
-
- do_cleanups (old_chain);
+ target_store_registers (regcache, -1);
return PS_OK;
}
ps_err_e
ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize)
{
-#if 0
- int lwp_fd;
- int regsize;
- ps_err_e val;
-
- val = get_lwp_fd (ph, lwpid, &lwp_fd);
- if (val != PS_OK)
- return val;
-
- if (ioctl (lwp_fd, PIOCGXREGSIZE, ®size))
- {
- if (errno == EINVAL)
- return PS_NOFREGS; /* XXX Wrong code, but this is the closest
- thing in proc_service.h */
-
- print_sys_errmsg ("ps_lgetxregsize (): PIOCGXREGSIZE", errno);
- return PS_ERR;
- }
-#endif
-
return PS_OK;
}
ps_err_e
ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
{
-#if 0
- int lwp_fd;
- ps_err_e val;
-
- val = get_lwp_fd (ph, lwpid, &lwp_fd);
- if (val != PS_OK)
- return val;
-
- if (ioctl (lwp_fd, PIOCGXREG, xregset))
- {
- print_sys_errmsg ("ps_lgetxregs (): PIOCGXREG", errno);
- return PS_ERR;
- }
-#endif
-
return PS_OK;
}
ps_err_e
ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
{
-#if 0
- int lwp_fd;
- ps_err_e val;
-
- val = get_lwp_fd (ph, lwpid, &lwp_fd);
- if (val != PS_OK)
- return val;
-
- if (ioctl (lwp_fd, PIOCSXREG, xregset))
- {
- print_sys_errmsg ("ps_lsetxregs (): PIOCSXREG", errno);
- return PS_ERR;
- }
-#endif
-
return PS_OK;
}
ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
prfpregset_t *fpregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
+ ptid_t ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (ptid, target_gdbarch ());
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid));
- regcache = get_thread_regcache (inferior_ptid);
-
- if (target_has_execution)
- procfs_ops.to_fetch_registers (regcache, -1);
- else
- orig_core_ops.to_fetch_registers (regcache, -1);
+ target_fetch_registers (regcache, -1);
fill_fpregset (regcache, (gdb_fpregset_t *) fpregset, -1);
- do_cleanups (old_chain);
-
return PS_OK;
}
-/* Set floating-point regs for LWP */
+/* Set floating-point regs for LWP. */
ps_err_e
ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
const prfpregset_t * fpregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = BUILD_LWP (lwpid, PIDGET (inferior_ptid));
- regcache = get_thread_regcache (inferior_ptid);
+ ptid_t ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (ptid, target_gdbarch ());
supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset);
- if (target_has_execution)
- procfs_ops.to_store_registers (regcache, -1);
- else
- orig_core_ops.to_store_registers (regcache, -1);
-
- do_cleanups (old_chain);
+ target_store_registers (regcache, -1);
return PS_OK;
}
struct ssd *pldt)
{
/* NOTE: only used on Solaris, therefore OK to refer to procfs.c. */
- extern struct ssd *procfs_find_LDT_entry (ptid_t);
struct ssd *ret;
/* FIXME: can't I get the process ID from the prochandle or
something? */
- if (PIDGET (inferior_ptid) <= 0 || lwpid <= 0)
+ if (ptid_get_pid (inferior_ptid) <= 0 || lwpid <= 0)
return PS_BADLID;
- ret = procfs_find_LDT_entry (BUILD_LWP (lwpid, PIDGET (inferior_ptid)));
+ ret = procfs_find_LDT_entry (ptid_build (ptid_get_pid (inferior_ptid),
+ lwpid, 0));
if (ret)
{
memcpy (pldt, ret, sizeof (struct ssd));
/* Convert PTID to printable form. */
-char *
-solaris_pid_to_str (ptid_t ptid)
+static const char *
+solaris_pid_to_str (struct target_ops *ops, ptid_t ptid)
{
static char buf[100];
- /* In case init failed to resolve the libthread_db library. */
- if (!procfs_suppress_run)
- return procfs_pid_to_str (ptid);
-
- if (is_thread (ptid))
+ if (ptid_tid_p (ptid))
{
ptid_t lwp;
lwp = thread_to_lwp (ptid, -2);
- if (PIDGET (lwp) == -1)
- sprintf (buf, "Thread %ld (defunct)", GET_THREAD (ptid));
- else if (PIDGET (lwp) != -2)
- sprintf (buf, "Thread %ld (LWP %ld)",
- GET_THREAD (ptid), GET_LWP (lwp));
+ if (ptid_get_pid (lwp) == -1)
+ xsnprintf (buf, sizeof (buf), "Thread %ld (defunct)",
+ ptid_get_tid (ptid));
+ else if (ptid_get_pid (lwp) != -2)
+ xsnprintf (buf, sizeof (buf), "Thread %ld (LWP %ld)",
+ ptid_get_tid (ptid), ptid_get_lwp (lwp));
else
- sprintf (buf, "Thread %ld ", GET_THREAD (ptid));
+ xsnprintf (buf, sizeof (buf), "Thread %ld ",
+ ptid_get_tid (ptid));
}
- else if (GET_LWP (ptid) != 0)
- sprintf (buf, "LWP %ld ", GET_LWP (ptid));
+ else if (ptid_get_lwp (ptid) != 0)
+ xsnprintf (buf, sizeof (buf), "LWP %ld ", ptid_get_lwp (ptid));
else
- sprintf (buf, "process %d ", PIDGET (ptid));
+ xsnprintf (buf, sizeof (buf), "process %d ", ptid_get_pid (ptid));
return buf;
}
\f
-/* Worker bee for find_new_threads. Callback function that gets
+/* Worker bee for update_thread_list. Callback function that gets
called once per user-level thread (i.e. not for LWP's). */
static int
-sol_find_new_threads_callback (const td_thrhandle_t *th, void *ignored)
+sol_update_thread_list_callback (const td_thrhandle_t *th, void *ignored)
{
td_err_e retval;
td_thrinfo_t ti;
if (retval != TD_OK)
return -1;
- ptid = BUILD_THREAD (ti.ti_tid, PIDGET (inferior_ptid));
- if (!in_thread_list (ptid))
+ ptid = ptid_build (ptid_get_pid (inferior_ptid), 0, ti.ti_tid);
+ if (!in_thread_list (ptid) || is_exited (ptid))
add_thread (ptid);
return 0;
}
static void
-sol_find_new_threads (void)
+sol_update_thread_list (struct target_ops *ops)
{
- /* Don't do anything if init failed to resolve the libthread_db
- library. */
- if (!procfs_suppress_run)
- return;
+ struct target_ops *beneath = find_target_beneath (ops);
- if (PIDGET (inferior_ptid) == -1)
- {
- printf_filtered ("No process.\n");
- return;
- }
+ /* Delete dead threads. */
+ prune_threads ();
- /* First Find any new LWP's. */
- procfs_ops.to_find_new_threads ();
+ /* Find any new LWP's. */
+ beneath->to_update_thread_list (beneath);
/* Then find any new user-level threads. */
- p_td_ta_thr_iter (main_ta, sol_find_new_threads_callback, (void *) 0,
+ p_td_ta_thr_iter (main_ta, sol_update_thread_list_callback, (void *) 0,
TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY,
TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS);
}
-static void
-sol_core_open (char *filename, int from_tty)
-{
- orig_core_ops.to_open (filename, from_tty);
-}
-
-static void
-sol_core_close (int quitting)
-{
- orig_core_ops.to_close (quitting);
-}
-
-static void
-sol_core_detach (char *args, int from_tty)
-{
- unpush_target (&core_ops);
- orig_core_ops.to_detach (args, from_tty);
-}
-
-static void
-sol_core_files_info (struct target_ops *t)
-{
- orig_core_ops.to_files_info (t);
-}
-
/* Worker bee for the "info sol-thread" command. This is a callback
function that gets called once for each Solaris user-level thread
(i.e. not for LWPs) in the inferior. Print anything interesting
/* Print thr_create start function. */
if (ti.ti_startfunc != 0)
{
- struct minimal_symbol *msym;
- msym = lookup_minimal_symbol_by_pc (ti.ti_startfunc);
- if (msym)
- printf_filtered (" startfunc: %s\n",
- DEPRECATED_SYMBOL_NAME (msym));
- else
- printf_filtered (" startfunc: 0x%s\n", paddr (ti.ti_startfunc));
+ const struct bound_minimal_symbol msym
+ = lookup_minimal_symbol_by_pc (ti.ti_startfunc);
+
+ printf_filtered (" startfunc=%s",
+ msym.minsym
+ ? MSYMBOL_PRINT_NAME (msym.minsym)
+ : paddress (target_gdbarch (), ti.ti_startfunc));
}
/* If thread is asleep, print function that went to sleep. */
if (ti.ti_state == TD_THR_SLEEP)
{
- struct minimal_symbol *msym;
- msym = lookup_minimal_symbol_by_pc (ti.ti_pc);
- if (msym)
- printf_filtered (" - Sleep func: %s\n",
- DEPRECATED_SYMBOL_NAME (msym));
- else
- printf_filtered (" - Sleep func: 0x%s\n", paddr (ti.ti_startfunc));
+ const struct bound_minimal_symbol msym
+ = lookup_minimal_symbol_by_pc (ti.ti_pc);
+
+ printf_filtered (" sleepfunc=%s",
+ msym.minsym
+ ? MSYMBOL_PRINT_NAME (msym.minsym)
+ : paddress (target_gdbarch (), ti.ti_pc));
}
- /* Wrap up line, if necessary. */
- if (ti.ti_state != TD_THR_SLEEP && ti.ti_startfunc == 0)
- printf_filtered ("\n"); /* don't you hate counting newlines? */
+ printf_filtered ("\n");
}
else
warning (_("info sol-thread: failed to get info for thread."));
TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS);
}
+/* Callback routine used to find a thread based on the TID part of
+ its PTID. */
+
static int
-sol_find_memory_regions (int (*func) (CORE_ADDR, unsigned long,
- int, int, int, void *),
- void *data)
+thread_db_find_thread_from_tid (struct thread_info *thread, void *data)
{
- return procfs_ops.to_find_memory_regions (func, data);
-}
+ long *tid = (long *) data;
-static char *
-sol_make_note_section (bfd *obfd, int *note_size)
-{
- return procfs_ops.to_make_corefile_notes (obfd, note_size);
+ if (ptid_get_tid (thread->ptid) == *tid)
+ return 1;
+
+ return 0;
}
-static int
-ignore (struct bp_target_info *bp_tgt)
+static ptid_t
+sol_get_ada_task_ptid (struct target_ops *self, long lwp, long thread)
{
- return 0;
+ struct thread_info *thread_info =
+ iterate_over_threads (thread_db_find_thread_from_tid, &thread);
+
+ if (thread_info == NULL)
+ {
+ /* The list of threads is probably not up to date. Find any
+ thread that is missing from the list, and try again. */
+ sol_update_thread_list (¤t_target);
+ thread_info = iterate_over_threads (thread_db_find_thread_from_tid,
+ &thread);
+ }
+
+ gdb_assert (thread_info != NULL);
+
+ return (thread_info->ptid);
}
static void
sol_thread_ops.to_shortname = "solaris-threads";
sol_thread_ops.to_longname = "Solaris threads and pthread.";
sol_thread_ops.to_doc = "Solaris threads and pthread support.";
- sol_thread_ops.to_open = sol_thread_open;
- sol_thread_ops.to_attach = sol_thread_attach;
sol_thread_ops.to_detach = sol_thread_detach;
sol_thread_ops.to_resume = sol_thread_resume;
sol_thread_ops.to_wait = sol_thread_wait;
sol_thread_ops.to_fetch_registers = sol_thread_fetch_registers;
sol_thread_ops.to_store_registers = sol_thread_store_registers;
- sol_thread_ops.to_prepare_to_store = sol_thread_prepare_to_store;
- sol_thread_ops.deprecated_xfer_memory = sol_thread_xfer_memory;
sol_thread_ops.to_xfer_partial = sol_thread_xfer_partial;
- sol_thread_ops.to_files_info = sol_thread_files_info;
- sol_thread_ops.to_insert_breakpoint = memory_insert_breakpoint;
- sol_thread_ops.to_remove_breakpoint = memory_remove_breakpoint;
- sol_thread_ops.to_terminal_init = terminal_init_inferior;
- sol_thread_ops.to_terminal_inferior = terminal_inferior;
- sol_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output;
- sol_thread_ops.to_terminal_ours = terminal_ours;
- sol_thread_ops.to_terminal_save_ours = terminal_save_ours;
- sol_thread_ops.to_terminal_info = child_terminal_info;
- sol_thread_ops.to_kill = sol_thread_kill_inferior;
- sol_thread_ops.to_create_inferior = sol_thread_create_inferior;
sol_thread_ops.to_mourn_inferior = sol_thread_mourn_inferior;
- sol_thread_ops.to_can_run = sol_thread_can_run;
- sol_thread_ops.to_notice_signals = sol_thread_notice_signals;
sol_thread_ops.to_thread_alive = sol_thread_alive;
sol_thread_ops.to_pid_to_str = solaris_pid_to_str;
- sol_thread_ops.to_find_new_threads = sol_find_new_threads;
- sol_thread_ops.to_stop = sol_thread_stop;
- sol_thread_ops.to_stratum = process_stratum;
- sol_thread_ops.to_has_all_memory = 1;
- sol_thread_ops.to_has_memory = 1;
- sol_thread_ops.to_has_stack = 1;
- sol_thread_ops.to_has_registers = 1;
- sol_thread_ops.to_has_execution = 1;
- sol_thread_ops.to_has_thread_control = tc_none;
- sol_thread_ops.to_find_memory_regions = sol_find_memory_regions;
- sol_thread_ops.to_make_corefile_notes = sol_make_note_section;
+ sol_thread_ops.to_update_thread_list = sol_update_thread_list;
+ sol_thread_ops.to_stratum = thread_stratum;
+ sol_thread_ops.to_get_ada_task_ptid = sol_get_ada_task_ptid;
sol_thread_ops.to_magic = OPS_MAGIC;
}
-static void
-init_sol_core_ops (void)
-{
- sol_core_ops.to_shortname = "solaris-core";
- sol_core_ops.to_longname = "Solaris core threads and pthread.";
- sol_core_ops.to_doc = "Solaris threads and pthread support for core files.";
- sol_core_ops.to_open = sol_core_open;
- sol_core_ops.to_close = sol_core_close;
- sol_core_ops.to_attach = sol_thread_attach;
- sol_core_ops.to_detach = sol_core_detach;
- sol_core_ops.to_fetch_registers = sol_thread_fetch_registers;
- sol_core_ops.deprecated_xfer_memory = sol_thread_xfer_memory;
- sol_core_ops.to_xfer_partial = sol_thread_xfer_partial;
- sol_core_ops.to_files_info = sol_core_files_info;
- sol_core_ops.to_insert_breakpoint = ignore;
- sol_core_ops.to_remove_breakpoint = ignore;
- sol_core_ops.to_create_inferior = sol_thread_create_inferior;
- sol_core_ops.to_stratum = core_stratum;
- sol_core_ops.to_has_memory = 1;
- sol_core_ops.to_has_stack = 1;
- sol_core_ops.to_has_registers = 1;
- sol_core_ops.to_has_thread_control = tc_none;
- sol_core_ops.to_thread_alive = sol_thread_alive;
- sol_core_ops.to_pid_to_str = solaris_pid_to_str;
- /* On Solaris/x86, when debugging a threaded core file from process
- <n>, the following causes "info threads" to produce "procfs:
- couldn't find pid <n> in procinfo list" where <n> is the pid of
- the process that produced the core file. Disable it for now. */
-#if 0
- sol_core_ops.to_find_new_threads = sol_find_new_threads;
-#endif
- sol_core_ops.to_magic = OPS_MAGIC;
-}
-
-/* We suppress the call to add_target of core_ops in corelow because
- if there are two targets in the stratum core_stratum,
- find_core_target won't know which one to return. See corelow.c for
- an additonal comment on coreops_suppress_target. */
-int coreops_suppress_target = 1;
-
void
_initialize_sol_thread (void)
{
void *dlhandle;
init_sol_thread_ops ();
- init_sol_core_ops ();
dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW);
if (!dlhandle)
goto die;
#define resolve(X) \
- if (!(p_##X = dlsym (dlhandle, #X))) \
+ if (!(p_##X = (X ## _ftype *) dlsym (dlhandle, #X))) \
goto die;
resolve (td_log);
resolve (td_thr_getgregs);
resolve (td_thr_setgregs);
- add_target (&sol_thread_ops);
-
- procfs_suppress_run = 1;
+ complete_target_initialization (&sol_thread_ops);
add_cmd ("sol-threads", class_maintenance, info_solthreads,
_("Show info on Solaris user threads."), &maintenanceinfolist);
- memcpy (&orig_core_ops, &core_ops, sizeof (struct target_ops));
- memcpy (&core_ops, &sol_core_ops, sizeof (struct target_ops));
- add_target (&core_ops);
-
/* Hook into new_objfile notification. */
observer_attach_new_objfile (sol_thread_new_objfile);
return;
if (dlhandle)
dlclose (dlhandle);
- /* Allow the user to debug non-threaded core files. */
- add_target (&core_ops);
-
return;
}
projects / deliverable / binutils-gdb.git / blobdiff