/* Low level interface for debugging HPUX/DCE threads for GDB, the GNU
|
/* Low level interface for debugging HPUX/DCE threads for GDB, the GNU
|
debugger.
|
debugger.
|
|
|
Copyright (C) 1996, 1998, 1999, 2000, 2001, 2004, 2007, 2008
|
Copyright (C) 1996, 1998, 1999, 2000, 2001, 2004, 2007, 2008
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
/* This module implements a sort of half target that sits between the
|
/* This module implements a sort of half target that sits between the
|
machine-independent parts of GDB and the ptrace interface (infptrace.c) to
|
machine-independent parts of GDB and the ptrace interface (infptrace.c) to
|
provide access to the HPUX user-mode thread implementation.
|
provide access to the HPUX user-mode thread implementation.
|
|
|
HPUX threads are true user-mode threads, which are invoked via the cma_*
|
HPUX threads are true user-mode threads, which are invoked via the cma_*
|
and pthread_* (DCE and Posix respectivly) interfaces. These are mostly
|
and pthread_* (DCE and Posix respectivly) interfaces. These are mostly
|
implemented in user-space, with all thread context kept in various
|
implemented in user-space, with all thread context kept in various
|
structures that live in the user's heap. For the most part, the kernel has
|
structures that live in the user's heap. For the most part, the kernel has
|
no knowlege of these threads.
|
no knowlege of these threads.
|
|
|
*/
|
*/
|
|
|
#include "defs.h"
|
#include "defs.h"
|
|
|
#define _CMA_NOWRAPPERS_
|
#define _CMA_NOWRAPPERS_
|
|
|
#include <cma_tcb_defs.h>
|
#include <cma_tcb_defs.h>
|
#include <cma_deb_core.h>
|
#include <cma_deb_core.h>
|
#include "gdbthread.h"
|
#include "gdbthread.h"
|
#include "target.h"
|
#include "target.h"
|
#include "inferior.h"
|
#include "inferior.h"
|
#include "regcache.h"
|
#include "regcache.h"
|
#include <fcntl.h>
|
#include <fcntl.h>
|
#include <string.h>
|
#include <string.h>
|
#include "gdb_stat.h"
|
#include "gdb_stat.h"
|
#include "gdbcore.h"
|
#include "gdbcore.h"
|
#include "hppa-tdep.h"
|
#include "hppa-tdep.h"
|
#include "observer.h"
|
#include "observer.h"
|
|
|
extern int child_suppress_run;
|
extern int child_suppress_run;
|
|
|
extern void _initialize_hpux_thread (void);
|
extern void _initialize_hpux_thread (void);
|
|
|
struct string_map
|
struct string_map
|
{
|
{
|
int num;
|
int num;
|
char *str;
|
char *str;
|
};
|
};
|
|
|
static int hpux_thread_active = 0;
|
static int hpux_thread_active = 0;
|
|
|
static ptid_t main_ptid; /* Real process ID */
|
static ptid_t main_ptid; /* Real process ID */
|
|
|
static CORE_ADDR P_cma__g_known_threads;
|
static CORE_ADDR P_cma__g_known_threads;
|
static CORE_ADDR P_cma__g_current_thread;
|
static CORE_ADDR P_cma__g_current_thread;
|
|
|
static void hpux_thread_resume (ptid_t ptid, int step,
|
static void hpux_thread_resume (ptid_t ptid, int step,
|
enum target_signal signo);
|
enum target_signal signo);
|
|
|
static void init_hpux_thread_ops (void);
|
static void init_hpux_thread_ops (void);
|
|
|
static struct target_ops hpux_thread_ops;
|
static struct target_ops hpux_thread_ops;
|
|
|
static ptid_t find_active_thread (void);
|
static ptid_t find_active_thread (void);
|
|
|
static int cached_thread;
|
static int cached_thread;
|
static cma__t_int_tcb cached_tcb;
|
static cma__t_int_tcb cached_tcb;
|
|
|
static ptid_t
|
static ptid_t
|
find_active_thread (void)
|
find_active_thread (void)
|
{
|
{
|
static cma__t_int_tcb tcb;
|
static cma__t_int_tcb tcb;
|
CORE_ADDR tcb_ptr;
|
CORE_ADDR tcb_ptr;
|
|
|
read_memory ((CORE_ADDR) P_cma__g_current_thread,
|
read_memory ((CORE_ADDR) P_cma__g_current_thread,
|
(char *) &tcb_ptr,
|
(char *) &tcb_ptr,
|
sizeof tcb_ptr);
|
sizeof tcb_ptr);
|
|
|
read_memory (tcb_ptr, (char *) &tcb, sizeof tcb);
|
read_memory (tcb_ptr, (char *) &tcb, sizeof tcb);
|
|
|
return (ptid_build (PIDGET (main_ptid), 0,
|
return (ptid_build (PIDGET (main_ptid), 0,
|
cma_thread_get_unique (&tcb.prolog.client_thread)));
|
cma_thread_get_unique (&tcb.prolog.client_thread)));
|
}
|
}
|
|
|
static cma__t_int_tcb *find_tcb (ptid_t ptid);
|
static cma__t_int_tcb *find_tcb (ptid_t ptid);
|
|
|
static cma__t_int_tcb *
|
static cma__t_int_tcb *
|
find_tcb (ptid_t ptid)
|
find_tcb (ptid_t ptid)
|
{
|
{
|
cma__t_known_object queue_header;
|
cma__t_known_object queue_header;
|
cma__t_queue *queue_ptr;
|
cma__t_queue *queue_ptr;
|
int thread = ptid_get_tid (ptid);
|
int thread = ptid_get_tid (ptid);
|
|
|
if (thread == cached_thread)
|
if (thread == cached_thread)
|
return &cached_tcb;
|
return &cached_tcb;
|
|
|
read_memory ((CORE_ADDR) P_cma__g_known_threads,
|
read_memory ((CORE_ADDR) P_cma__g_known_threads,
|
(char *) &queue_header,
|
(char *) &queue_header,
|
sizeof queue_header);
|
sizeof queue_header);
|
|
|
for (queue_ptr = queue_header.queue.flink;
|
for (queue_ptr = queue_header.queue.flink;
|
queue_ptr != (cma__t_queue *) P_cma__g_known_threads;
|
queue_ptr != (cma__t_queue *) P_cma__g_known_threads;
|
queue_ptr = cached_tcb.threads.flink)
|
queue_ptr = cached_tcb.threads.flink)
|
{
|
{
|
cma__t_int_tcb *tcb_ptr;
|
cma__t_int_tcb *tcb_ptr;
|
|
|
tcb_ptr = cma__base (queue_ptr, threads, cma__t_int_tcb);
|
tcb_ptr = cma__base (queue_ptr, threads, cma__t_int_tcb);
|
|
|
read_memory ((CORE_ADDR) tcb_ptr, (char *) &cached_tcb, sizeof cached_tcb);
|
read_memory ((CORE_ADDR) tcb_ptr, (char *) &cached_tcb, sizeof cached_tcb);
|
|
|
if (cached_tcb.header.type == cma__c_obj_tcb)
|
if (cached_tcb.header.type == cma__c_obj_tcb)
|
if (cma_thread_get_unique (&cached_tcb.prolog.client_thread) == thread)
|
if (cma_thread_get_unique (&cached_tcb.prolog.client_thread) == thread)
|
{
|
{
|
cached_thread = thread;
|
cached_thread = thread;
|
return &cached_tcb;
|
return &cached_tcb;
|
}
|
}
|
}
|
}
|
|
|
error (_("Can't find TCB %d"), thread);
|
error (_("Can't find TCB %d"), thread);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Most target vector functions from here on actually just pass through to
|
/* Most target vector functions from here on actually just pass through to
|
inftarg.c, as they don't need to do anything specific for threads. */
|
inftarg.c, as they don't need to do anything specific for threads. */
|
|
|
static void
|
static void
|
hpux_thread_open (char *arg, int from_tty)
|
hpux_thread_open (char *arg, int from_tty)
|
{
|
{
|
deprecated_child_ops.to_open (arg, from_tty);
|
deprecated_child_ops.to_open (arg, from_tty);
|
}
|
}
|
|
|
/* Attach to process PID, then initialize for debugging it
|
/* Attach to process PID, then initialize for debugging it
|
and wait for the trace-trap that results from attaching. */
|
and wait for the trace-trap that results from attaching. */
|
|
|
static void
|
static void
|
hpux_thread_attach (char *args, int from_tty)
|
hpux_thread_attach (char *args, int from_tty)
|
{
|
{
|
deprecated_child_ops.to_attach (args, from_tty);
|
deprecated_child_ops.to_attach (args, from_tty);
|
|
|
/* XXX - might want to iterate over all the threads and register them. */
|
/* XXX - might want to iterate over all the threads and register them. */
|
}
|
}
|
|
|
/* Take a program previously attached to and detaches it.
|
/* Take a program previously attached to and detaches it.
|
The program resumes execution and will no longer stop
|
The program resumes execution and will no longer stop
|
on signals, etc. We'd better not have left any breakpoints
|
on signals, etc. We'd better not have left any breakpoints
|
in the program or it'll die when it hits one. For this
|
in the program or it'll die when it hits one. For this
|
to work, it may be necessary for the process to have been
|
to work, it may be necessary for the process to have been
|
previously attached. It *might* work if the program was
|
previously attached. It *might* work if the program was
|
started via the normal ptrace (PTRACE_TRACEME). */
|
started via the normal ptrace (PTRACE_TRACEME). */
|
|
|
static void
|
static void
|
hpux_thread_detach (char *args, int from_tty)
|
hpux_thread_detach (char *args, int from_tty)
|
{
|
{
|
deprecated_child_ops.to_detach (args, from_tty);
|
deprecated_child_ops.to_detach (args, from_tty);
|
}
|
}
|
|
|
/* Resume execution of process PID. If STEP is nozero, then
|
/* Resume execution of process PID. If STEP is nozero, then
|
just single step it. If SIGNAL is nonzero, restart it with that
|
just single step it. If SIGNAL is nonzero, restart it with that
|
signal activated. We may have to convert pid from a thread-id to an LWP id
|
signal activated. We may have to convert pid from a thread-id to an LWP id
|
for procfs. */
|
for procfs. */
|
|
|
static void
|
static void
|
hpux_thread_resume (ptid_t ptid, int step, enum target_signal signo)
|
hpux_thread_resume (ptid_t ptid, int step, enum target_signal signo)
|
{
|
{
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
|
|
old_chain = save_inferior_ptid ();
|
old_chain = save_inferior_ptid ();
|
|
|
ptid = main_ptid;
|
ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
|
|
deprecated_child_ops.to_resume (ptid, step, signo);
|
deprecated_child_ops.to_resume (ptid, step, signo);
|
|
|
cached_thread = 0;
|
cached_thread = 0;
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
}
|
}
|
|
|
/* Wait for any threads to stop. We may have to convert PID from a thread id
|
/* Wait for any threads to stop. We may have to convert PID from a thread id
|
to a LWP id, and vice versa on the way out. */
|
to a LWP id, and vice versa on the way out. */
|
|
|
static ptid_t
|
static ptid_t
|
hpux_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
|
hpux_thread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
|
{
|
{
|
ptid_t rtnval;
|
ptid_t rtnval;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
|
|
old_chain = save_inferior_ptid ();
|
old_chain = save_inferior_ptid ();
|
|
|
inferior_ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
|
|
if (!ptid_equal (ptid, minus_one_ptid))
|
if (!ptid_equal (ptid, minus_one_ptid))
|
ptid = main_ptid;
|
ptid = main_ptid;
|
|
|
rtnval = deprecated_child_ops.to_wait (ptid, ourstatus);
|
rtnval = deprecated_child_ops.to_wait (ptid, ourstatus);
|
|
|
rtnval = find_active_thread ();
|
rtnval = find_active_thread ();
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
|
|
return rtnval;
|
return rtnval;
|
}
|
}
|
|
|
static char regmap[] =
|
static char regmap[] =
|
{
|
{
|
-2, -1, -1, 0, 4, 8, 12, 16, 20, 24, /* flags, r1 -> r9 */
|
-2, -1, -1, 0, 4, 8, 12, 16, 20, 24, /* flags, r1 -> r9 */
|
28, 32, 36, 40, 44, 48, 52, 56, 60, -1, /* r10 -> r19 */
|
28, 32, 36, 40, 44, 48, 52, 56, 60, -1, /* r10 -> r19 */
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* r20 -> r29 */
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* r20 -> r29 */
|
|
|
/* r30, r31, sar, pcoqh, pcsqh, pcoqt, pcsqt, eiem, iir, isr */
|
/* r30, r31, sar, pcoqh, pcsqh, pcoqt, pcsqt, eiem, iir, isr */
|
-2, -1, -1, -2, -1, -1, -1, -1, -1, -1,
|
-2, -1, -1, -2, -1, -1, -1, -1, -1, -1,
|
|
|
/* ior, ipsw, goto, sr4, sr0, sr1, sr2, sr3, sr5, sr6 */
|
/* ior, ipsw, goto, sr4, sr0, sr1, sr2, sr3, sr5, sr6 */
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
|
/* sr7, cr0, cr8, cr9, ccr, cr12, cr13, cr24, cr25, cr26 */
|
/* sr7, cr0, cr8, cr9, ccr, cr12, cr13, cr24, cr25, cr26 */
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
|
-1, -1, -1, -1, /* mpsfu_high, mpsfu_low, mpsfu_ovflo, pad */
|
-1, -1, -1, -1, /* mpsfu_high, mpsfu_low, mpsfu_ovflo, pad */
|
144, -1, -1, -1, -1, -1, -1, -1, /* fpsr, fpe1 -> fpe7 */
|
144, -1, -1, -1, -1, -1, -1, -1, /* fpsr, fpe1 -> fpe7 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr4 -> fr7 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr4 -> fr7 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr8 -> fr11 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr8 -> fr11 */
|
136, -1, 128, -1, 120, -1, 112, -1, /* fr12 -> fr15 */
|
136, -1, 128, -1, 120, -1, 112, -1, /* fr12 -> fr15 */
|
104, -1, 96, -1, 88, -1, 80, -1, /* fr16 -> fr19 */
|
104, -1, 96, -1, 88, -1, 80, -1, /* fr16 -> fr19 */
|
72, -1, 64, -1, -1, -1, -1, -1, /* fr20 -> fr23 */
|
72, -1, 64, -1, -1, -1, -1, -1, /* fr20 -> fr23 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr24 -> fr27 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr24 -> fr27 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr28 -> fr31 */
|
-1, -1, -1, -1, -1, -1, -1, -1, /* fr28 -> fr31 */
|
};
|
};
|
|
|
static void
|
static void
|
hpux_thread_fetch_registers (struct regcache *regcache, int regno)
|
hpux_thread_fetch_registers (struct regcache *regcache, int regno)
|
{
|
{
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
cma__t_int_tcb tcb, *tcb_ptr;
|
cma__t_int_tcb tcb, *tcb_ptr;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
int i;
|
int i;
|
int first_regno, last_regno;
|
int first_regno, last_regno;
|
|
|
tcb_ptr = find_tcb (inferior_ptid);
|
tcb_ptr = find_tcb (inferior_ptid);
|
|
|
old_chain = save_inferior_ptid ();
|
old_chain = save_inferior_ptid ();
|
|
|
inferior_ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
|
|
if (tcb_ptr->state == cma__c_state_running)
|
if (tcb_ptr->state == cma__c_state_running)
|
{
|
{
|
deprecated_child_ops.to_fetch_registers (regcache, regno);
|
deprecated_child_ops.to_fetch_registers (regcache, regno);
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (regno == -1)
|
if (regno == -1)
|
{
|
{
|
first_regno = 0;
|
first_regno = 0;
|
last_regno = gdbarch_num_regs (gdbarch) - 1;
|
last_regno = gdbarch_num_regs (gdbarch) - 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
first_regno = regno;
|
first_regno = regno;
|
last_regno = regno;
|
last_regno = regno;
|
}
|
}
|
|
|
for (regno = first_regno; regno <= last_regno; regno++)
|
for (regno = first_regno; regno <= last_regno; regno++)
|
{
|
{
|
if (regmap[regno] == -1)
|
if (regmap[regno] == -1)
|
deprecated_child_ops.to_fetch_registers (regcache, regno);
|
deprecated_child_ops.to_fetch_registers (regcache, regno);
|
else
|
else
|
{
|
{
|
unsigned char buf[MAX_REGISTER_SIZE];
|
unsigned char buf[MAX_REGISTER_SIZE];
|
CORE_ADDR sp;
|
CORE_ADDR sp;
|
|
|
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
|
|
if (regno == HPPA_FLAGS_REGNUM)
|
if (regno == HPPA_FLAGS_REGNUM)
|
/* Flags must be 0 to avoid bogus value for SS_INSYSCALL */
|
/* Flags must be 0 to avoid bogus value for SS_INSYSCALL */
|
memset (buf, '\000', register_size (gdbarch, regno));
|
memset (buf, '\000', register_size (gdbarch, regno));
|
else if (regno == HPPA_SP_REGNUM)
|
else if (regno == HPPA_SP_REGNUM)
|
store_unsigned_integer (buf, sizeof sp, sp);
|
store_unsigned_integer (buf, sizeof sp, sp);
|
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
read_memory (sp - 20, buf, register_size (gdbarch, regno));
|
read_memory (sp - 20, buf, register_size (gdbarch, regno));
|
else
|
else
|
read_memory (sp + regmap[regno], buf,
|
read_memory (sp + regmap[regno], buf,
|
register_size (gdbarch, regno));
|
register_size (gdbarch, regno));
|
|
|
regcache_raw_supply (regcache, regno, buf);
|
regcache_raw_supply (regcache, regno, buf);
|
}
|
}
|
}
|
}
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
}
|
}
|
|
|
static void
|
static void
|
hpux_thread_store_registers (struct regcache *regcache, int regno)
|
hpux_thread_store_registers (struct regcache *regcache, int regno)
|
{
|
{
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
struct gdbarch *gdbarch = get_regcache_arch (regcache);
|
cma__t_int_tcb tcb, *tcb_ptr;
|
cma__t_int_tcb tcb, *tcb_ptr;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
int i;
|
int i;
|
int first_regno, last_regno;
|
int first_regno, last_regno;
|
|
|
tcb_ptr = find_tcb (inferior_ptid);
|
tcb_ptr = find_tcb (inferior_ptid);
|
|
|
old_chain = save_inferior_ptid ();
|
old_chain = save_inferior_ptid ();
|
|
|
inferior_ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
|
|
if (tcb_ptr->state == cma__c_state_running)
|
if (tcb_ptr->state == cma__c_state_running)
|
{
|
{
|
deprecated_child_ops.to_store_registers (regcache, regno);
|
deprecated_child_ops.to_store_registers (regcache, regno);
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (regno == -1)
|
if (regno == -1)
|
{
|
{
|
first_regno = 0;
|
first_regno = 0;
|
last_regno = gdbarch_num_regs (gdbarch) - 1;
|
last_regno = gdbarch_num_regs (gdbarch) - 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
first_regno = regno;
|
first_regno = regno;
|
last_regno = regno;
|
last_regno = regno;
|
}
|
}
|
|
|
for (regno = first_regno; regno <= last_regno; regno++)
|
for (regno = first_regno; regno <= last_regno; regno++)
|
{
|
{
|
if (regmap[regno] == -1)
|
if (regmap[regno] == -1)
|
deprecated_child_ops.to_store_registers (regcache, regno);
|
deprecated_child_ops.to_store_registers (regcache, regno);
|
else
|
else
|
{
|
{
|
unsigned char buf[MAX_REGISTER_SIZE];
|
unsigned char buf[MAX_REGISTER_SIZE];
|
CORE_ADDR sp;
|
CORE_ADDR sp;
|
|
|
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
sp = (CORE_ADDR) tcb_ptr->static_ctx.sp - 160;
|
|
|
if (regno == HPPA_FLAGS_REGNUM)
|
if (regno == HPPA_FLAGS_REGNUM)
|
deprecated_child_ops.to_store_registers (regcache, regno); /* Let lower layer handle this... */
|
deprecated_child_ops.to_store_registers (regcache, regno); /* Let lower layer handle this... */
|
else if (regno == HPPA_SP_REGNUM)
|
else if (regno == HPPA_SP_REGNUM)
|
{
|
{
|
regcache_raw_collect (regcache, regno, buf);
|
regcache_raw_collect (regcache, regno, buf);
|
write_memory ((CORE_ADDR) &tcb_ptr->static_ctx.sp, buf,
|
write_memory ((CORE_ADDR) &tcb_ptr->static_ctx.sp, buf,
|
register_size (gdbarch, regno));
|
register_size (gdbarch, regno));
|
tcb_ptr->static_ctx.sp
|
tcb_ptr->static_ctx.sp
|
= (cma__t_hppa_regs *) ((CORE_ADDR) buf + 160);
|
= (cma__t_hppa_regs *) ((CORE_ADDR) buf + 160);
|
}
|
}
|
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
else if (regno == HPPA_PCOQ_HEAD_REGNUM)
|
{
|
{
|
regcache_raw_collect (regcache, regno, buf);
|
regcache_raw_collect (regcache, regno, buf);
|
write_memory (sp - 20, buf,
|
write_memory (sp - 20, buf,
|
register_size (gdbarch, regno));
|
register_size (gdbarch, regno));
|
}
|
}
|
else
|
else
|
{
|
{
|
regcache_raw_collect (regcache, regno, buf);
|
regcache_raw_collect (regcache, regno, buf);
|
write_memory (sp + regmap[regno], buf,
|
write_memory (sp + regmap[regno], buf,
|
register_size (gdbarch, regno));
|
register_size (gdbarch, regno));
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
}
|
}
|
|
|
/* Get ready to modify the registers array. On machines which store
|
/* Get ready to modify the registers array. On machines which store
|
individual registers, this doesn't need to do anything. On machines
|
individual registers, this doesn't need to do anything. On machines
|
which store all the registers in one fell swoop, this makes sure
|
which store all the registers in one fell swoop, this makes sure
|
that registers contains all the registers from the program being
|
that registers contains all the registers from the program being
|
debugged. */
|
debugged. */
|
|
|
static void
|
static void
|
hpux_thread_prepare_to_store (struct regcache *regcache)
|
hpux_thread_prepare_to_store (struct regcache *regcache)
|
{
|
{
|
deprecated_child_ops.to_prepare_to_store (regcache);
|
deprecated_child_ops.to_prepare_to_store (regcache);
|
}
|
}
|
|
|
static int
|
static int
|
hpux_thread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
|
hpux_thread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
|
int dowrite, struct mem_attrib *attribs,
|
int dowrite, struct mem_attrib *attribs,
|
struct target_ops *target)
|
struct target_ops *target)
|
{
|
{
|
int retval;
|
int retval;
|
struct cleanup *old_chain;
|
struct cleanup *old_chain;
|
|
|
old_chain = save_inferior_ptid ();
|
old_chain = save_inferior_ptid ();
|
|
|
inferior_ptid = main_ptid;
|
inferior_ptid = main_ptid;
|
|
|
retval =
|
retval =
|
deprecated_child_ops.deprecated_xfer_memory (memaddr, myaddr, len, dowrite, attribs, target);
|
deprecated_child_ops.deprecated_xfer_memory (memaddr, myaddr, len, dowrite, attribs, target);
|
|
|
do_cleanups (old_chain);
|
do_cleanups (old_chain);
|
|
|
return retval;
|
return retval;
|
}
|
}
|
|
|
/* Print status information about what we're accessing. */
|
/* Print status information about what we're accessing. */
|
|
|
static void
|
static void
|
hpux_thread_files_info (struct target_ops *ignore)
|
hpux_thread_files_info (struct target_ops *ignore)
|
{
|
{
|
deprecated_child_ops.to_files_info (ignore);
|
deprecated_child_ops.to_files_info (ignore);
|
}
|
}
|
|
|
static void
|
static void
|
hpux_thread_kill_inferior (void)
|
hpux_thread_kill_inferior (void)
|
{
|
{
|
deprecated_child_ops.to_kill ();
|
deprecated_child_ops.to_kill ();
|
}
|
}
|
|
|
static void
|
static void
|
hpux_thread_notice_signals (ptid_t ptid)
|
hpux_thread_notice_signals (ptid_t ptid)
|
{
|
{
|
deprecated_child_ops.to_notice_signals (ptid);
|
deprecated_child_ops.to_notice_signals (ptid);
|
}
|
}
|
|
|
/* Fork an inferior process, and start debugging it with /proc. */
|
/* Fork an inferior process, and start debugging it with /proc. */
|
|
|
static void
|
static void
|
hpux_thread_create_inferior (char *exec_file, char *allargs, char **env,
|
hpux_thread_create_inferior (char *exec_file, char *allargs, char **env,
|
int from_tty)
|
int from_tty)
|
{
|
{
|
deprecated_child_ops.to_create_inferior (exec_file, allargs, env, from_tty);
|
deprecated_child_ops.to_create_inferior (exec_file, allargs, env, from_tty);
|
|
|
if (hpux_thread_active)
|
if (hpux_thread_active)
|
{
|
{
|
main_ptid = inferior_ptid;
|
main_ptid = inferior_ptid;
|
|
|
push_target (&hpux_thread_ops);
|
push_target (&hpux_thread_ops);
|
|
|
inferior_ptid = find_active_thread ();
|
inferior_ptid = find_active_thread ();
|
|
|
add_thread (inferior_ptid);
|
add_thread (inferior_ptid);
|
}
|
}
|
}
|
}
|
|
|
/* This routine is called whenever a new symbol table is read in, or when all
|
/* This routine is called whenever a new symbol table is read in, or when all
|
symbol tables are removed. libthread_db can only be initialized when it
|
symbol tables are removed. libthread_db can only be initialized when it
|
finds the right variables in libthread.so. Since it's a shared library,
|
finds the right variables in libthread.so. Since it's a shared library,
|
those variables don't show up until the library gets mapped and the symbol
|
those variables don't show up until the library gets mapped and the symbol
|
table is read in. */
|
table is read in. */
|
|
|
static void
|
static void
|
hpux_thread_new_objfile (struct objfile *objfile)
|
hpux_thread_new_objfile (struct objfile *objfile)
|
{
|
{
|
struct minimal_symbol *ms;
|
struct minimal_symbol *ms;
|
|
|
if (!objfile)
|
if (!objfile)
|
{
|
{
|
hpux_thread_active = 0;
|
hpux_thread_active = 0;
|
return;
|
return;
|
}
|
}
|
|
|
ms = lookup_minimal_symbol ("cma__g_known_threads", NULL, objfile);
|
ms = lookup_minimal_symbol ("cma__g_known_threads", NULL, objfile);
|
|
|
if (!ms)
|
if (!ms)
|
return;
|
return;
|
|
|
P_cma__g_known_threads = SYMBOL_VALUE_ADDRESS (ms);
|
P_cma__g_known_threads = SYMBOL_VALUE_ADDRESS (ms);
|
|
|
ms = lookup_minimal_symbol ("cma__g_current_thread", NULL, objfile);
|
ms = lookup_minimal_symbol ("cma__g_current_thread", NULL, objfile);
|
|
|
if (!ms)
|
if (!ms)
|
return;
|
return;
|
|
|
P_cma__g_current_thread = SYMBOL_VALUE_ADDRESS (ms);
|
P_cma__g_current_thread = SYMBOL_VALUE_ADDRESS (ms);
|
|
|
hpux_thread_active = 1;
|
hpux_thread_active = 1;
|
}
|
}
|
|
|
/* Clean up after the inferior dies. */
|
/* Clean up after the inferior dies. */
|
|
|
static void
|
static void
|
hpux_thread_mourn_inferior (void)
|
hpux_thread_mourn_inferior (void)
|
{
|
{
|
deprecated_child_ops.to_mourn_inferior ();
|
deprecated_child_ops.to_mourn_inferior ();
|
}
|
}
|
|
|
/* Mark our target-struct as eligible for stray "run" and "attach" commands. */
|
/* Mark our target-struct as eligible for stray "run" and "attach" commands. */
|
|
|
static int
|
static int
|
hpux_thread_can_run (void)
|
hpux_thread_can_run (void)
|
{
|
{
|
return child_suppress_run;
|
return child_suppress_run;
|
}
|
}
|
|
|
static int
|
static int
|
hpux_thread_alive (ptid_t ptid)
|
hpux_thread_alive (ptid_t ptid)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static void
|
static void
|
hpux_thread_stop (void)
|
hpux_thread_stop (void)
|
{
|
{
|
deprecated_child_ops.to_stop ();
|
deprecated_child_ops.to_stop ();
|
}
|
}
|
|
|
/* Convert a pid to printable form. */
|
/* Convert a pid to printable form. */
|
|
|
char *
|
char *
|
hpux_pid_to_str (ptid_t ptid)
|
hpux_pid_to_str (ptid_t ptid)
|
{
|
{
|
static char buf[100];
|
static char buf[100];
|
int pid = PIDGET (ptid);
|
int pid = PIDGET (ptid);
|
|
|
sprintf (buf, "Thread %ld", ptid_get_tid (ptid));
|
sprintf (buf, "Thread %ld", ptid_get_tid (ptid));
|
|
|
return buf;
|
return buf;
|
}
|
}
|
|
|
static void
|
static void
|
init_hpux_thread_ops (void)
|
init_hpux_thread_ops (void)
|
{
|
{
|
hpux_thread_ops.to_shortname = "hpux-threads";
|
hpux_thread_ops.to_shortname = "hpux-threads";
|
hpux_thread_ops.to_longname = "HPUX threads and pthread.";
|
hpux_thread_ops.to_longname = "HPUX threads and pthread.";
|
hpux_thread_ops.to_doc = "HPUX threads and pthread support.";
|
hpux_thread_ops.to_doc = "HPUX threads and pthread support.";
|
hpux_thread_ops.to_open = hpux_thread_open;
|
hpux_thread_ops.to_open = hpux_thread_open;
|
hpux_thread_ops.to_attach = hpux_thread_attach;
|
hpux_thread_ops.to_attach = hpux_thread_attach;
|
hpux_thread_ops.to_detach = hpux_thread_detach;
|
hpux_thread_ops.to_detach = hpux_thread_detach;
|
hpux_thread_ops.to_resume = hpux_thread_resume;
|
hpux_thread_ops.to_resume = hpux_thread_resume;
|
hpux_thread_ops.to_wait = hpux_thread_wait;
|
hpux_thread_ops.to_wait = hpux_thread_wait;
|
hpux_thread_ops.to_fetch_registers = hpux_thread_fetch_registers;
|
hpux_thread_ops.to_fetch_registers = hpux_thread_fetch_registers;
|
hpux_thread_ops.to_store_registers = hpux_thread_store_registers;
|
hpux_thread_ops.to_store_registers = hpux_thread_store_registers;
|
hpux_thread_ops.to_prepare_to_store = hpux_thread_prepare_to_store;
|
hpux_thread_ops.to_prepare_to_store = hpux_thread_prepare_to_store;
|
hpux_thread_ops.deprecated_xfer_memory = hpux_thread_xfer_memory;
|
hpux_thread_ops.deprecated_xfer_memory = hpux_thread_xfer_memory;
|
hpux_thread_ops.to_files_info = hpux_thread_files_info;
|
hpux_thread_ops.to_files_info = hpux_thread_files_info;
|
hpux_thread_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
hpux_thread_ops.to_insert_breakpoint = memory_insert_breakpoint;
|
hpux_thread_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
hpux_thread_ops.to_remove_breakpoint = memory_remove_breakpoint;
|
hpux_thread_ops.to_terminal_init = terminal_init_inferior;
|
hpux_thread_ops.to_terminal_init = terminal_init_inferior;
|
hpux_thread_ops.to_terminal_inferior = terminal_inferior;
|
hpux_thread_ops.to_terminal_inferior = terminal_inferior;
|
hpux_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output;
|
hpux_thread_ops.to_terminal_ours_for_output = terminal_ours_for_output;
|
hpux_thread_ops.to_terminal_save_ours = terminal_save_ours;
|
hpux_thread_ops.to_terminal_save_ours = terminal_save_ours;
|
hpux_thread_ops.to_terminal_ours = terminal_ours;
|
hpux_thread_ops.to_terminal_ours = terminal_ours;
|
hpux_thread_ops.to_terminal_info = child_terminal_info;
|
hpux_thread_ops.to_terminal_info = child_terminal_info;
|
hpux_thread_ops.to_kill = hpux_thread_kill_inferior;
|
hpux_thread_ops.to_kill = hpux_thread_kill_inferior;
|
hpux_thread_ops.to_create_inferior = hpux_thread_create_inferior;
|
hpux_thread_ops.to_create_inferior = hpux_thread_create_inferior;
|
hpux_thread_ops.to_mourn_inferior = hpux_thread_mourn_inferior;
|
hpux_thread_ops.to_mourn_inferior = hpux_thread_mourn_inferior;
|
hpux_thread_ops.to_can_run = hpux_thread_can_run;
|
hpux_thread_ops.to_can_run = hpux_thread_can_run;
|
hpux_thread_ops.to_notice_signals = hpux_thread_notice_signals;
|
hpux_thread_ops.to_notice_signals = hpux_thread_notice_signals;
|
hpux_thread_ops.to_thread_alive = hpux_thread_alive;
|
hpux_thread_ops.to_thread_alive = hpux_thread_alive;
|
hpux_thread_ops.to_stop = hpux_thread_stop;
|
hpux_thread_ops.to_stop = hpux_thread_stop;
|
hpux_thread_ops.to_stratum = process_stratum;
|
hpux_thread_ops.to_stratum = process_stratum;
|
hpux_thread_ops.to_has_all_memory = 1;
|
hpux_thread_ops.to_has_all_memory = 1;
|
hpux_thread_ops.to_has_memory = 1;
|
hpux_thread_ops.to_has_memory = 1;
|
hpux_thread_ops.to_has_stack = 1;
|
hpux_thread_ops.to_has_stack = 1;
|
hpux_thread_ops.to_has_registers = 1;
|
hpux_thread_ops.to_has_registers = 1;
|
hpux_thread_ops.to_has_execution = 1;
|
hpux_thread_ops.to_has_execution = 1;
|
hpux_thread_ops.to_magic = OPS_MAGIC;
|
hpux_thread_ops.to_magic = OPS_MAGIC;
|
}
|
}
|
|
|
void
|
void
|
_initialize_hpux_thread (void)
|
_initialize_hpux_thread (void)
|
{
|
{
|
init_hpux_thread_ops ();
|
init_hpux_thread_ops ();
|
add_target (&hpux_thread_ops);
|
add_target (&hpux_thread_ops);
|
|
|
child_suppress_run = 1;
|
child_suppress_run = 1;
|
/* Hook into new_objfile notification. */
|
/* Hook into new_objfile notification. */
|
observer_attach_new_objfile (hpux_thread_new_objfile);
|
observer_attach_new_objfile (hpux_thread_new_objfile);
|
}
|
}
|
|
|