/* Solaris threads debugging interface.
- Copyright (C) 1996-2017 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
This file is part of GDB.
to provide access to the Solaris user-mode thread implementation.
Solaris threads are true user-mode threads, which are invoked via
- the thr_* and pthread_* (native and POSIX respectivly) interfaces.
+ the thr_* and pthread_* (native and POSIX respectively) interfaces.
These are mostly implemented in user-space, with all thread context
kept in various structures that live in the user's heap. These
should not be confused with lightweight processes (LWPs), which are
#include "regcache.h"
#include "solib.h"
#include "symfile.h"
-#include "observer.h"
+#include "observable.h"
#include "procfs.h"
#include "symtab.h"
#include "minsyms.h"
#include "objfiles.h"
-struct target_ops sol_thread_ops;
+static const target_info thread_db_target_info = {
+ "solaris-threads",
+ N_("Solaris threads and pthread."),
+ N_("Solaris threads and pthread support.")
+};
+
+class sol_thread_target final : public target_ops
+{
+public:
+ const target_info &info () const override
+ { return thread_db_target_info; }
+
+ strata stratum () const override { return thread_stratum; }
+
+ void detach (inferior *, int) override;
+ ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
+ void resume (ptid_t, int, enum gdb_signal) override;
+ void mourn_inferior () override;
+ std::string pid_to_str (ptid_t) override;
+ ptid_t get_ada_task_ptid (long lwp, long thread) override;
+
+ void fetch_registers (struct regcache *, int) override;
+ void store_registers (struct regcache *, int) override;
+
+ enum target_xfer_status xfer_partial (enum target_object object,
+ const char *annex,
+ gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len) override;
+
+ bool thread_alive (ptid_t ptid) override;
+ void update_thread_list () override;
+};
+
+static sol_thread_target sol_thread_ops;
/* Prototypes for supply_gregset etc. */
#include "gregset.h"
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 init_sol_thread_ops (void);
-
/* Default definitions: These must be defined in tm.h if they are to
be shared with a process module such as procfs. */
/* 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[] =
return buf;
}
-/* Return the libthread_db state string assicoated with STATECODE.
+/* Return the libthread_db state string associated 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[] =
td_thrhandle_t th;
td_err_e val;
- if (ptid_lwp_p (thread_id))
+ if (thread_id.lwp_p ())
return thread_id; /* It's already an LWP ID. */
/* It's a thread. Convert to LWP. */
- val = p_td_ta_map_id2thr (main_ta, ptid_get_tid (thread_id), &th);
+ val = p_td_ta_map_id2thr (main_ta, thread_id.tid (), &th);
if (val == TD_NOTHR)
- return pid_to_ptid (-1); /* Thread must have terminated. */
+ return ptid_t (-1); /* Thread must have terminated. */
else if (val != TD_OK)
error (_("thread_to_lwp: td_ta_map_id2thr %s"), td_err_string (val));
val = p_td_thr_get_info (&th, &ti);
if (val == TD_NOTHR)
- return pid_to_ptid (-1); /* Thread must have terminated. */
+ return ptid_t (-1); /* Thread must have terminated. */
else if (val != TD_OK)
error (_("thread_to_lwp: td_thr_get_info: %s"), td_err_string (val));
if (ti.ti_state != TD_THR_ACTIVE)
{
if (default_lwp != -1)
- return pid_to_ptid (default_lwp);
+ return ptid_t (default_lwp);
error (_("thread_to_lwp: thread state not active: %s"),
td_state_string (ti.ti_state));
}
- return ptid_build (ptid_get_pid (thread_id), ti.ti_lid, 0);
+ return ptid_t (thread_id.pid (), 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 (ptid_tid_p (lwp))
+ if (lwp.tid_p ())
return lwp; /* It's already a thread ID. */
/* It's an LWP. Convert it to a thread ID. */
if (!target_thread_alive (lwp))
- return pid_to_ptid (-1); /* Must be a defunct LPW. */
+ return ptid_t (-1); /* Must be a defunct LPW. */
- val = p_td_ta_map_lwp2thr (main_ta, ptid_get_lwp (lwp), &th);
+ val = p_td_ta_map_lwp2thr (main_ta, lwp.lwp (), &th);
if (val == TD_NOTHR)
- return pid_to_ptid (-1); /* Thread must have terminated. */
+ return ptid_t (-1); /* Thread must have terminated. */
else if (val != TD_OK)
error (_("lwp_to_thread: td_ta_map_lwp2thr: %s."), td_err_string (val));
val = p_td_thr_get_info (&th, &ti);
if (val == TD_NOTHR)
- return pid_to_ptid (-1); /* Thread must have terminated. */
+ return ptid_t (-1); /* Thread must have terminated. */
else if (val != TD_OK)
error (_("lwp_to_thread: td_thr_get_info: %s."), td_err_string (val));
- return ptid_build (ptid_get_pid (lwp), 0 , ti.ti_tid);
+ return ptid_t (lwp.pid (), 0 , ti.ti_tid);
}
\f
process to have been previously attached. It *might* work if the
program was started via the normal ptrace (PTRACE_TRACEME). */
-static void
-sol_thread_detach (struct target_ops *ops, const char *args, int from_tty)
+void
+sol_thread_target::detach (inferior *inf, int from_tty)
{
- struct target_ops *beneath = find_target_beneath (ops);
+ target_ops *beneath = this->beneath ();
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);
+ inferior_ptid = ptid_t (main_ph.ptid.pid ());
+ unpush_target (this);
+ beneath->detach (inf, from_tty);
}
-/* Resume execution of process PTID. If STEP is nozero, then just
+/* Resume execution of process PTID. If STEP is nonzero, then just
single step it. If SIGNAL is nonzero, restart it with that signal
activated. We may have to convert PTID from a thread ID to an LWP
ID for procfs. */
-static void
-sol_thread_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum gdb_signal signo)
+void
+sol_thread_target::resume (ptid_t ptid, int step, enum gdb_signal signo)
{
- struct cleanup *old_chain;
- struct target_ops *beneath = find_target_beneath (ops);
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = thread_to_lwp (inferior_ptid, ptid_get_pid (main_ph.ptid));
- if (ptid_get_pid (inferior_ptid) == -1)
+ inferior_ptid = thread_to_lwp (inferior_ptid, main_ph.ptid.pid ());
+ if (inferior_ptid.pid () == -1)
inferior_ptid = procfs_first_available ();
- if (ptid_get_pid (ptid) != -1)
+ if (ptid.pid () != -1)
{
ptid_t save_ptid = ptid;
ptid = thread_to_lwp (ptid, -2);
- if (ptid_get_pid (ptid) == -2) /* Inactive thread. */
+ if (ptid.pid () == -2) /* Inactive thread. */
error (_("This version of Solaris can't start inactive threads."));
- if (info_verbose && ptid_get_pid (ptid) == -1)
+ if (info_verbose && ptid.pid () == -1)
warning (_("Specified thread %ld seems to have terminated"),
- ptid_get_tid (save_ptid));
+ save_ptid.tid ());
}
- beneath->to_resume (beneath, ptid, step, signo);
-
- do_cleanups (old_chain);
+ beneath ()->resume (ptid, step, signo);
}
/* 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 (struct target_ops *ops,
- ptid_t ptid, struct target_waitstatus *ourstatus, int options)
+ptid_t
+sol_thread_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
+ int options)
{
ptid_t rtnval;
ptid_t save_ptid;
- struct target_ops *beneath = find_target_beneath (ops);
- struct cleanup *old_chain;
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, ptid_get_pid (main_ph.ptid));
- if (ptid_get_pid (inferior_ptid) == -1)
+ inferior_ptid = thread_to_lwp (inferior_ptid, main_ph.ptid.pid ());
+ if (inferior_ptid.pid () == -1)
inferior_ptid = procfs_first_available ();
- if (ptid_get_pid (ptid) != -1)
+ if (ptid.pid () != -1)
{
- ptid_t save_ptid = ptid;
+ ptid_t ptid_for_warning = ptid;
ptid = thread_to_lwp (ptid, -2);
- if (ptid_get_pid (ptid) == -2) /* Inactive thread. */
+ if (ptid.pid () == -2) /* Inactive thread. */
error (_("This version of Solaris can't start inactive threads."));
- if (info_verbose && ptid_get_pid (ptid) == -1)
+ if (info_verbose && ptid.pid () == -1)
warning (_("Specified thread %ld seems to have terminated"),
- ptid_get_tid (save_ptid));
+ ptid_for_warning.tid ());
}
- rtnval = beneath->to_wait (beneath, ptid, ourstatus, options);
+ rtnval = beneath ()->wait (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 (ptid_get_pid (rtnval) == -1)
+ if (rtnval.pid () == -1)
rtnval = save_ptid;
/* See if we have a new thread. */
- if (ptid_tid_p (rtnval)
- && !ptid_equal (rtnval, save_ptid)
- && (!in_thread_list (rtnval)
- || is_exited (rtnval)))
- add_thread (rtnval);
+ if (rtnval.tid_p () && rtnval != save_ptid)
+ {
+ thread_info *thr = find_thread_ptid (current_inferior (), rtnval);
+ if (thr == NULL || thr->state == THREAD_EXITED)
+ {
+ process_stratum_target *proc_target
+ = current_inferior ()->process_target ();
+ add_thread (proc_target, rtnval);
+ }
+ }
}
/* During process initialization, we may get here without the thread
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 target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+sol_thread_target::fetch_registers (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);
+ ptid_t ptid = regcache->ptid ();
- if (!ptid_tid_p (ptid))
+ if (!ptid.tid_p ())
{
/* It's an LWP; pass the request on to the layer beneath. */
- beneath->to_fetch_registers (beneath, regcache, regnum);
+ beneath ()->fetch_registers (regcache, regnum);
return;
}
/* Solaris thread: convert PTID into a td_thrhandle_t. */
- thread = ptid_get_tid (ptid);
+ thread = ptid.tid ();
if (thread == 0)
error (_("sol_thread_fetch_registers: thread == 0"));
supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset_p);
}
-static void
-sol_thread_store_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
+void
+sol_thread_target::store_registers (struct regcache *regcache, int regnum)
{
thread_t thread;
td_thrhandle_t thandle;
td_err_e val;
prgregset_t gregset;
prfpregset_t fpregset;
- ptid_t ptid = regcache_get_ptid (regcache);
+ ptid_t ptid = regcache->ptid ();
- if (!ptid_tid_p (ptid))
+ if (!ptid.tid_p ())
{
- 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);
+ beneath ()->store_registers (regcache, regnum);
return;
}
/* Solaris thread: convert PTID into a td_thrhandle_t. */
- thread = ptid_get_tid (ptid);
+ thread = ptid.tid ();
val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
target_write_partial for details of each variant. One, and only
one, of readbuf or writebuf must be non-NULL. */
-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, ULONGEST len, ULONGEST *xfered_len)
+enum target_xfer_status
+sol_thread_target::xfer_partial (enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
{
- enum target_xfer_status retval;
- struct cleanup *old_chain;
- struct target_ops *beneath = find_target_beneath (ops);
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- old_chain = save_inferior_ptid ();
-
- if (ptid_tid_p (inferior_ptid) || !target_thread_alive (inferior_ptid))
+ if (inferior_ptid.tid_p () || !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 ();
}
- retval = beneath->to_xfer_partial (beneath, object, annex, readbuf,
- writebuf, offset, len, xfered_len);
-
- do_cleanups (old_chain);
-
- return retval;
+ return beneath ()->xfer_partial (object, annex, readbuf,
+ writebuf, offset, len, xfered_len);
}
static void
ptid_t ptid;
/* Don't attempt to use thread_db for remote targets. */
- if (!(target_can_run (¤t_target) || core_bfd))
+ if (!(target_can_run () || core_bfd))
return;
/* Do nothing if we couldn't load libthread_db.so.1. */
main_ph.ptid = inferior_ptid; /* Save for xfer_memory. */
ptid = lwp_to_thread (inferior_ptid);
- if (ptid_get_pid (ptid) != -1)
+ if (ptid.pid () != -1)
inferior_ptid = ptid;
target_update_thread_list ();
/* Clean up after the inferior dies. */
-static void
-sol_thread_mourn_inferior (struct target_ops *ops)
+void
+sol_thread_target::mourn_inferior ()
{
- struct target_ops *beneath = find_target_beneath (ops);
+ target_ops *beneath = this->beneath ();
sol_thread_active = 0;
- unpush_target (ops);
+ unpush_target (this);
- beneath->to_mourn_inferior (beneath);
+ beneath->mourn_inferior ();
}
/* Return true if PTID is still active in the inferior. */
-static int
-sol_thread_alive (struct target_ops *ops, ptid_t ptid)
+bool
+sol_thread_target::thread_alive (ptid_t ptid)
{
- if (ptid_tid_p (ptid))
+ if (ptid.tid_p ())
{
/* It's a (user-level) thread. */
td_err_e val;
td_thrhandle_t th;
int pid;
- 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)
- return 0; /* Thread not valid. */
- return 1; /* Known thread. */
+ pid = ptid.tid ();
+ val = p_td_ta_map_id2thr (main_ta, pid, &th);
+ if (val != TD_OK)
+ return false; /* Thread not found. */
+ val = p_td_thr_validate (&th);
+ if (val != TD_OK)
+ return false; /* Thread not valid. */
+ return true; /* Known thread. */
}
else
{
- 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);
+ return beneath ()->thread_alive (ptid);
}
}
/* These routines implement the lower half of the thread_db interface,
i.e. the ps_* routines. */
-/* Various versions of <proc_service.h> have slightly different
- function prototypes. In particular, we have
-
- NEWER OLDER
- struct ps_prochandle * const struct ps_prochandle *
- void* char*
- const void* char*
- int size_t
-
- 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. */
-
-#ifdef PROC_SERVICE_IS_OLD
-typedef const struct ps_prochandle *gdb_ps_prochandle_t;
-typedef char *gdb_ps_read_buf_t;
-typedef char *gdb_ps_write_buf_t;
-typedef int gdb_ps_size_t;
-typedef psaddr_t gdb_ps_addr_t;
-#else
-typedef struct ps_prochandle *gdb_ps_prochandle_t;
-typedef void *gdb_ps_read_buf_t;
-typedef const void *gdb_ps_write_buf_t;
-typedef size_t gdb_ps_size_t;
-typedef psaddr_t gdb_ps_addr_t;
-#endif
-
/* The next four routines are called by libthread_db to tell us to
stop and stop a particular process or lwp. Since GDB ensures that
these are all stopped by the time we call anything in thread_db,
/* Process stop. */
ps_err_e
-ps_pstop (gdb_ps_prochandle_t ph)
+ps_pstop (struct ps_prochandle *ph)
{
return PS_OK;
}
/* Process continue. */
ps_err_e
-ps_pcontinue (gdb_ps_prochandle_t ph)
+ps_pcontinue (struct ps_prochandle *ph)
{
return PS_OK;
}
/* LWP stop. */
ps_err_e
-ps_lstop (gdb_ps_prochandle_t ph, lwpid_t lwpid)
+ps_lstop (struct ps_prochandle *ph, lwpid_t lwpid)
{
return PS_OK;
}
/* LWP continue. */
ps_err_e
-ps_lcontinue (gdb_ps_prochandle_t ph, lwpid_t lwpid)
+ps_lcontinue (struct ps_prochandle *ph, lwpid_t lwpid)
{
return PS_OK;
}
/* Looks up the symbol LD_SYMBOL_NAME in the debugger's symbol table. */
ps_err_e
-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)
+ps_pglobal_lookup (struct ps_prochandle *ph, const char *ld_object_name,
+ const char *ld_symbol_name, psaddr_t *ld_symbol_addr)
{
struct bound_minimal_symbol ms;
/* Common routine for reading and writing memory. */
static ps_err_e
-rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr,
+rw_common (int dowrite, const struct ps_prochandle *ph, psaddr_t addr,
gdb_byte *buf, int size)
{
int ret;
- struct cleanup *old_chain;
- old_chain = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- if (ptid_tid_p (inferior_ptid) || !target_thread_alive (inferior_ptid))
+ if (inferior_ptid.tid_p () || !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.
else
ret = target_read_memory (addr, (gdb_byte *) buf, size);
- do_cleanups (old_chain);
-
return (ret == 0 ? PS_OK : PS_ERR);
}
/* Copies SIZE bytes from target process .data segment to debugger memory. */
ps_err_e
-ps_pdread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
- gdb_ps_read_buf_t buf, gdb_ps_size_t size)
+ps_pdread (struct ps_prochandle *ph, psaddr_t addr, void *buf, size_t size)
{
return rw_common (0, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from debugger memory .data segment to target process. */
ps_err_e
-ps_pdwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
- gdb_ps_write_buf_t buf, gdb_ps_size_t size)
+ps_pdwrite (struct ps_prochandle *ph, psaddr_t addr,
+ const void *buf, size_t size)
{
return rw_common (1, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from target process .text segment to debugger memory. */
ps_err_e
-ps_ptread (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
- gdb_ps_read_buf_t buf, gdb_ps_size_t size)
+ps_ptread (struct ps_prochandle *ph, psaddr_t addr, void *buf, size_t size)
{
return rw_common (0, ph, addr, (gdb_byte *) buf, size);
}
/* Copies SIZE bytes from debugger memory .text segment to target process. */
ps_err_e
-ps_ptwrite (gdb_ps_prochandle_t ph, gdb_ps_addr_t addr,
- gdb_ps_write_buf_t buf, gdb_ps_size_t size)
+ps_ptwrite (struct ps_prochandle *ph, psaddr_t addr,
+ const void *buf, size_t 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)
+ps_lgetregs (struct ps_prochandle *ph, lwpid_t lwpid, prgregset_t gregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
- regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
+ ptid_t ptid = ptid_t (inferior_ptid.pid (), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (current_inferior ()->process_target (),
+ ptid, target_gdbarch ());
target_fetch_registers (regcache, -1);
fill_gregset (regcache, (gdb_gregset_t *) gregset, -1);
- do_cleanups (old_chain);
-
return PS_OK;
}
/* Set general-purpose registers for LWP. */
ps_err_e
-ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
+ps_lsetregs (struct ps_prochandle *ph, lwpid_t lwpid,
const prgregset_t gregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
- regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
+ ptid_t ptid = ptid_t (inferior_ptid.pid (), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (current_inferior ()->process_target (),
+ ptid, target_gdbarch ());
supply_gregset (regcache, (const gdb_gregset_t *) gregset);
target_store_registers (regcache, -1);
- do_cleanups (old_chain);
-
return PS_OK;
}
/* Get size of extra register set. Currently a noop. */
ps_err_e
-ps_lgetxregsize (gdb_ps_prochandle_t ph, lwpid_t lwpid, int *xregsize)
+ps_lgetxregsize (struct ps_prochandle *ph, lwpid_t lwpid, int *xregsize)
{
return PS_OK;
}
/* Get extra register set. Currently a noop. */
ps_err_e
-ps_lgetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
+ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid, caddr_t xregset)
{
return PS_OK;
}
/* Set extra register set. Currently a noop. */
ps_err_e
-ps_lsetxregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, caddr_t xregset)
+ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid, caddr_t xregset)
{
return PS_OK;
}
/* Get floating-point registers for LWP. */
ps_err_e
-ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
+ps_lgetfpregs (struct ps_prochandle *ph, lwpid_t lwpid,
prfpregset_t *fpregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
- regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
+ ptid_t ptid = ptid_t (inferior_ptid.pid (), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (current_inferior ()->process_target (),
+ ptid, target_gdbarch ());
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. */
ps_err_e
-ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid,
+ps_lsetfpregs (struct ps_prochandle *ph, lwpid_t lwpid,
const prfpregset_t * fpregset)
{
- struct cleanup *old_chain;
- struct regcache *regcache;
-
- old_chain = save_inferior_ptid ();
-
- inferior_ptid = ptid_build (ptid_get_pid (inferior_ptid), lwpid, 0);
- regcache = get_thread_arch_regcache (inferior_ptid, target_gdbarch ());
+ ptid_t ptid = ptid_t (inferior_ptid.pid (), lwpid, 0);
+ struct regcache *regcache
+ = get_thread_arch_regcache (current_inferior ()->process_target (),
+ ptid, target_gdbarch ());
supply_fpregset (regcache, (const gdb_fpregset_t *) fpregset);
target_store_registers (regcache, -1);
- do_cleanups (old_chain);
-
return PS_OK;
}
-#ifdef PR_MODEL_LP64
/* Identify process as 32-bit or 64-bit. At the moment we're using
BFD to do this. There might be a more Solaris-specific
(e.g. procfs) method, but this ought to work. */
ps_err_e
-ps_pdmodel (gdb_ps_prochandle_t ph, int *data_model)
+ps_pdmodel (struct ps_prochandle *ph, int *data_model)
{
if (exec_bfd == 0)
*data_model = PR_MODEL_UNKNOWN;
return PS_OK;
}
-#endif /* PR_MODEL_LP64 */
#if (defined(__i386__) || defined(__x86_64__)) && defined (sun)
of libthread_db would fail because of ps_lgetLDT being undefined. */
ps_err_e
-ps_lgetLDT (gdb_ps_prochandle_t ph, lwpid_t lwpid,
- struct ssd *pldt)
+ps_lgetLDT (struct ps_prochandle *ph, lwpid_t lwpid, struct ssd *pldt) /* ARI: editCase function */
{
/* NOTE: only used on Solaris, therefore OK to refer to procfs.c. */
struct ssd *ret;
/* FIXME: can't I get the process ID from the prochandle or
something? */
- if (ptid_get_pid (inferior_ptid) <= 0 || lwpid <= 0)
+ if (inferior_ptid.pid () <= 0 || lwpid <= 0)
return PS_BADLID;
- ret = procfs_find_LDT_entry (ptid_build (ptid_get_pid (inferior_ptid),
+ ret = procfs_find_LDT_entry (ptid_t (inferior_ptid.pid (),
lwpid, 0));
if (ret)
{
/* Convert PTID to printable form. */
-static char *
-solaris_pid_to_str (struct target_ops *ops, ptid_t ptid)
+std::string
+sol_thread_target::pid_to_str (ptid_t ptid)
{
- static char buf[100];
-
- if (ptid_tid_p (ptid))
+ if (ptid.tid_p ())
{
ptid_t lwp;
lwp = thread_to_lwp (ptid, -2);
- 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));
+ if (lwp.pid () == -1)
+ return string_printf ("Thread %ld (defunct)",
+ ptid.tid ());
+ else if (lwp.pid () != -2)
+ return string_printf ("Thread %ld (LWP %ld)",
+ ptid.tid (), lwp.lwp ());
else
- xsnprintf (buf, sizeof (buf), "Thread %ld ",
- ptid_get_tid (ptid));
+ return string_printf ("Thread %ld ",
+ ptid.tid ());
}
- else if (ptid_get_lwp (ptid) != 0)
- xsnprintf (buf, sizeof (buf), "LWP %ld ", ptid_get_lwp (ptid));
+ else if (ptid.lwp () != 0)
+ return string_printf ("LWP %ld ", ptid.lwp ());
else
- xsnprintf (buf, sizeof (buf), "process %d ", ptid_get_pid (ptid));
-
- return buf;
+ return string_printf ("process %d ", ptid.pid ());
}
\f
{
td_err_e retval;
td_thrinfo_t ti;
- ptid_t ptid;
retval = p_td_thr_get_info (th, &ti);
if (retval != TD_OK)
return -1;
- ptid = ptid_build (ptid_get_pid (inferior_ptid), 0, ti.ti_tid);
- if (!in_thread_list (ptid) || is_exited (ptid))
- add_thread (ptid);
+ ptid_t ptid = ptid_t (inferior_ptid.pid (), 0, ti.ti_tid);
+ thread_info *thr = find_thread_ptid (current_inferior (), ptid);
+ if (thr == NULL || thr->state == THREAD_EXITED)
+ {
+ process_stratum_target *proc_target
+ = current_inferior ()->process_target ();
+ add_thread (proc_target, ptid);
+ }
return 0;
}
-static void
-sol_update_thread_list (struct target_ops *ops)
+void
+sol_thread_target::update_thread_list ()
{
- struct target_ops *beneath = find_target_beneath (ops);
-
/* Delete dead threads. */
prune_threads ();
/* Find any new LWP's. */
- beneath->to_update_thread_list (beneath);
+ beneath ()->update_thread_list ();
/* Then find any new user-level threads. */
p_td_ta_thr_iter (main_ta, sol_update_thread_list_callback, (void *) 0,
printf_filtered (" startfunc=%s",
msym.minsym
- ? MSYMBOL_PRINT_NAME (msym.minsym)
+ ? msym.minsym->print_name ()
: paddress (target_gdbarch (), ti.ti_startfunc));
}
printf_filtered (" sleepfunc=%s",
msym.minsym
- ? MSYMBOL_PRINT_NAME (msym.minsym)
+ ? msym.minsym->print_name ()
: paddress (target_gdbarch (), ti.ti_pc));
}
inferior. */
static void
-info_solthreads (char *args, int from_tty)
+info_solthreads (const char *args, int from_tty)
{
- p_td_ta_thr_iter (main_ta, info_cb, args,
+ p_td_ta_thr_iter (main_ta, info_cb, (void *) args,
TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY,
TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS);
}
{
long *tid = (long *) data;
- if (ptid_get_tid (thread->ptid) == *tid)
+ if (thread->ptid.tid () == *tid)
return 1;
return 0;
}
-static ptid_t
-sol_get_ada_task_ptid (struct target_ops *self, long lwp, long thread)
+ptid_t
+sol_thread_target::get_ada_task_ptid (long lwp, long thread)
{
struct thread_info *thread_info =
iterate_over_threads (thread_db_find_thread_from_tid, &thread);
{
/* 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);
+ update_thread_list ();
thread_info = iterate_over_threads (thread_db_find_thread_from_tid,
&thread);
}
return (thread_info->ptid);
}
-static void
-init_sol_thread_ops (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_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_xfer_partial = sol_thread_xfer_partial;
- sol_thread_ops.to_mourn_inferior = sol_thread_mourn_inferior;
- sol_thread_ops.to_thread_alive = sol_thread_alive;
- sol_thread_ops.to_pid_to_str = solaris_pid_to_str;
- 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;
-}
-
-/* Silence -Wmissing-prototypes. */
-extern void _initialize_sol_thread (void);
-
void
_initialize_sol_thread (void)
{
void *dlhandle;
- init_sol_thread_ops ();
-
dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW);
if (!dlhandle)
goto die;
resolve (td_thr_getgregs);
resolve (td_thr_setgregs);
- complete_target_initialization (&sol_thread_ops);
-
add_cmd ("sol-threads", class_maintenance, info_solthreads,
_("Show info on Solaris user threads."), &maintenanceinfolist);
/* Hook into new_objfile notification. */
- observer_attach_new_objfile (sol_thread_new_objfile);
+ gdb::observers::new_objfile.attach (sol_thread_new_objfile);
return;
die:
projects / deliverable / binutils-gdb.git / blobdiff