/* Low level interface for debugging AIX 4.3+ pthreads.
- Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1999-2014 Free Software Foundation, Inc.
Written by Nick Duffek <nsd@redhat.com>.
This file is part of GDB.
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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This module uses the libpthdebug.a library provided by AIX 4.3+ for
#include "inferior.h"
#include "regcache.h"
#include "gdbcmd.h"
-
-#if 0
-#include "coff/internal.h" /* for libcoff.h */
-#include "bfd/libcoff.h" /* for xcoff_data */
-#endif
+#include "ppc-tdep.h"
+#include <string.h>
+#include "observer.h"
#include <procinfo.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <sys/reg.h>
-#if 0
-#include <pthread.h>
-#endif
#include <sched.h>
#include <sys/pthdebug.h>
+#if !HAVE_DECL_GETTHRDS
+extern int getthrds (pid_t, struct thrdsinfo64 *, int, tid_t *, int);
+#endif
+
/* Whether to emit debugging output. */
static int debug_aix_thread;
#define PD_TID(ptid) (pd_active && ptid_get_tid (ptid) != 0)
-/* Build a thread ptid. */
-#define BUILD_THREAD(TID, PID) ptid_build (PID, 0, TID)
-
-/* Build and lwp ptid. */
-#define BUILD_LWP(LWP, PID) MERGEPID (PID, LWP)
-
/* pthdb_user_t value that we pass to pthdb functions. 0 causes
PTHDB_BAD_USER errors, so use 1. */
/* This module's target-specific operations, active while pd_able is true. */
-static struct target_ops ops;
-
-/* Copy of the target over which ops is pushed.
- This is more convenient than a pointer to child_ops or core_ops,
- because they lack current_target's default callbacks. */
-
-static struct target_ops base_ops;
+static struct target_ops aix_thread_ops;
/* Address of the function that libpthread will call when libpthdebug
is ready to be initialized. */
static int arch64;
-/* Saved pointer to previous owner of target_new_objfile_hook. */
-
-static void (*target_new_objfile_chain)(struct objfile *);
-
/* Forward declarations for pthdb callbacks. */
static int pdc_symbol_addrs (pthdb_user_t, pthdb_symbol_t *, int);
{
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "ptrace (%d, %d) = %d (errno = %d)",
+ "ptrace (%d, %d) = %d (errno = %d)\n",
req, id, ret, errno);
return ret == -1 ? 0 : 1;
}
break;
}
- error ("aix-thread: ptrace (%d, %d) returned %d (errno = %d %s)",
+ error (_("aix-thread: ptrace (%d, %d) returned %d (errno = %d %s)"),
req, id, ret, errno, safe_strerror (errno));
return 0; /* Not reached. */
}
-/* Call ptracex (REQ, ID, ADDR, DATA, BUF). Return success. */
+/* Call ptracex (REQ, ID, ADDR, DATA, BUF) or
+ ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
+ Return success. */
+
+#ifdef HAVE_PTRACE64
+# define ptracex(request, pid, addr, data, buf) \
+ ptrace64 (request, pid, addr, data, buf)
+#endif
static int
ptrace64aix (int req, int id, long long addr, int data, int *buf)
return ptrace_check (req, id, ptracex (req, id, addr, data, buf));
}
-/* Call ptrace (REQ, ID, ADDR, DATA, BUF). Return success. */
+/* Call ptrace (REQ, ID, ADDR, DATA, BUF) or
+ ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
+ Return success. */
+
+#ifdef HAVE_PTRACE64
+# define ptrace(request, pid, addr, data, buf) \
+ ptrace64 (request, pid, addr, data, buf)
+# define addr_ptr long long
+#else
+# define addr_ptr int *
+#endif
static int
-ptrace32 (int req, int id, int *addr, int data, int *buf)
+ptrace32 (int req, int id, addr_ptr addr, int data, int *buf)
{
errno = 0;
return ptrace_check (req, id,
- ptrace (req, id, (int *)addr, data, buf));
+ ptrace (req, id, addr, data, buf));
}
/* If *PIDP is a composite process/thread id, convert it to a
ptid = *ptidp;
if (PD_TID (ptid))
- *ptidp = pid_to_ptid (PIDGET (ptid));
+ *ptidp = pid_to_ptid (ptid_get_pid (ptid));
}
/* pthdb callback: for <i> from 0 to COUNT, set SYMBOLS[<i>].addr to
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_symbol_addrs (user = %ld, symbols = 0x%lx, count = %d)",
+ "pdc_symbol_addrs (user = %ld, symbols = 0x%lx, count = %d)\n",
user, (long) symbols, count);
for (i = 0; i < count; i++)
name = symbols[i].name;
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- " symbols[%d].name = \"%s\"", i, name);
+ " symbols[%d].name = \"%s\"\n", i, name);
if (!*name)
symbols[i].addr = 0;
if (!(ms = lookup_minimal_symbol (name, NULL, NULL)))
{
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, " returning PDC_FAILURE");
+ fprintf_unfiltered (gdb_stdlog, " returning PDC_FAILURE\n");
return PDC_FAILURE;
}
symbols[i].addr = SYMBOL_VALUE_ADDRESS (ms);
}
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, " symbols[%d].addr = 0x%llx",
- i, symbols[i].addr);
+ fprintf_unfiltered (gdb_stdlog, " symbols[%d].addr = %s\n",
+ i, hex_string (symbols[i].addr));
}
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, " returning PDC_SUCCESS");
+ fprintf_unfiltered (gdb_stdlog, " returning PDC_SUCCESS\n");
return PDC_SUCCESS;
}
this is needed, I have implemented what I think it should do,
however this code is untested. */
- uint64_t gprs64[32];
- uint32_t gprs32[32];
- double fprs[32];
+ uint64_t gprs64[ppc_num_gprs];
+ uint32_t gprs32[ppc_num_gprs];
+ double fprs[ppc_num_fprs];
struct ptxsprs sprs64;
struct ptsprs sprs32;
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, "pdc_read_regs tid=%d flags=%llx\n",
- (int)tid, flags);
+ fprintf_unfiltered (gdb_stdlog, "pdc_read_regs tid=%d flags=%s\n",
+ (int) tid, hex_string (flags));
/* General-purpose registers. */
if (flags & PTHDB_FLAG_GPRS)
}
else
{
- if (!ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL))
memset (gprs32, 0, sizeof (gprs32));
memcpy (context->gpr, gprs32, sizeof(gprs32));
}
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
- if (!ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL))
+ if (!ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
- memcpy (context->fpr, fprs, sizeof(fprs));
+ memcpy (context->fpr, fprs, sizeof(fprs));
}
/* Special-purpose registers. */
}
else
{
- if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
memcpy (&context->msr, &sprs32, sizeof(sprs32));
}
}
/* Write register function should be able to write requested context
- information to specified debuggee's kernel thread id.
+ information to specified debuggee's kernel thread id.
If successful return 0, else non-zero is returned. */
static int
however this code is untested. */
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, "pdc_write_regs tid=%d flags=%llx\n",
- (int)tid, flags);
+ fprintf_unfiltered (gdb_stdlog, "pdc_write_regs tid=%d flags=%s\n",
+ (int) tid, hex_string (flags));
/* General-purpose registers. */
if (flags & PTHDB_FLAG_GPRS)
{
if (arch64)
ptrace64aix (PTT_WRITE_GPRS, tid,
- (unsigned long)context->gpr, 0, NULL);
+ (unsigned long) context->gpr, 0, NULL);
else
- ptrace32 (PTT_WRITE_GPRS, tid, (int *)context->gpr, 0, NULL);
+ ptrace32 (PTT_WRITE_GPRS, tid, (uintptr_t) context->gpr, 0, NULL);
}
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
- ptrace32 (PTT_WRITE_FPRS, tid, (int *)context->fpr, 0, NULL);
+ ptrace32 (PTT_WRITE_FPRS, tid, (uintptr_t) context->fpr, 0, NULL);
}
/* Special-purpose registers. */
}
else
{
- ptrace32 (PTT_WRITE_SPRS, tid, (int *)&context->msr, 0, NULL);
+ ptrace32 (PTT_WRITE_SPRS, tid, (uintptr_t) &context->msr, 0, NULL);
}
}
return 0;
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_read_data (user = %ld, buf = 0x%lx, addr = 0x%llx, len = %ld)",
- user, (long) buf, addr, len);
+ "pdc_read_data (user = %ld, buf = 0x%lx, addr = %s, len = %ld)\n",
+ user, (long) buf, hex_string (addr), len);
status = target_read_memory (addr, buf, len);
ret = status == 0 ? PDC_SUCCESS : PDC_FAILURE;
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, " status=%d, returning %s",
+ fprintf_unfiltered (gdb_stdlog, " status=%d, returning %s\n",
status, pd_status2str (ret));
return ret;
}
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_write_data (user = %ld, buf = 0x%lx, addr = 0x%llx, len = %ld)",
- user, (long) buf, addr, len);
+ "pdc_write_data (user = %ld, buf = 0x%lx, addr = %s, len = %ld)\n",
+ user, (long) buf, hex_string (addr), len);
status = target_write_memory (addr, buf, len);
ret = status == 0 ? PDC_SUCCESS : PDC_FAILURE;
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, " status=%d, returning %s", status,
+ fprintf_unfiltered (gdb_stdlog, " status=%d, returning %s\n", status,
pd_status2str (ret));
return ret;
}
{
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_alloc (user = %ld, len = %ld, bufp = 0x%lx)",
+ "pdc_alloc (user = %ld, len = %ld, bufp = 0x%lx)\n",
user, len, (long) bufp);
*bufp = xmalloc (len);
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- " malloc returned 0x%lx", (long) *bufp);
+ " malloc returned 0x%lx\n", (long) *bufp);
/* Note: xmalloc() can't return 0; therefore PDC_FAILURE will never
be returned. */
{
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_realloc (user = %ld, buf = 0x%lx, len = %ld, bufp = 0x%lx)",
+ "pdc_realloc (user = %ld, buf = 0x%lx, len = %ld, bufp = 0x%lx)\n",
user, (long) buf, len, (long) bufp);
*bufp = xrealloc (buf, len);
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- " realloc returned 0x%lx", (long) *bufp);
+ " realloc returned 0x%lx\n", (long) *bufp);
return *bufp ? PDC_SUCCESS : PDC_FAILURE;
}
{
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "pdc_free (user = %ld, buf = 0x%lx)", user,
+ "pdc_free (user = %ld, buf = 0x%lx)\n", user,
(long) buf);
xfree (buf);
return PDC_SUCCESS;
{
switch (state)
{
- case PST_IDLE: return "idle"; /* being created */
- case PST_RUN: return "running"; /* running */
- case PST_SLEEP: return "sleeping"; /* awaiting an event */
- case PST_READY: return "ready"; /* runnable */
- case PST_TERM: return "finished"; /* awaiting a join/detach */
- default: return "unknown";
+ case PST_IDLE:
+ /* i18n: Like "Thread-Id %d, [state] idle" */
+ return _("idle"); /* being created */
+ case PST_RUN:
+ /* i18n: Like "Thread-Id %d, [state] running" */
+ return _("running"); /* running */
+ case PST_SLEEP:
+ /* i18n: Like "Thread-Id %d, [state] sleeping" */
+ return _("sleeping"); /* awaiting an event */
+ case PST_READY:
+ /* i18n: Like "Thread-Id %d, [state] ready" */
+ return _("ready"); /* runnable */
+ case PST_TERM:
+ /* i18n: Like "Thread-Id %d, [state] finished" */
+ return _("finished"); /* awaiting a join/detach */
+ default:
+ /* i18n: Like "Thread-Id %d, [state] unknown" */
+ return _("unknown");
}
}
return p1->pthid < p2->pthid ? -1 : p1->pthid > p2->pthid;
}
-/* iterate_over_threads() callback for counting GDB threads. */
+/* iterate_over_threads() callback for counting GDB threads.
+
+ Do not count the main thread (whose tid is zero). This matches
+ the list of threads provided by the pthreaddebug library, which
+ does not include that main thread either, and thus allows us
+ to compare the two lists. */
static int
giter_count (struct thread_info *thread, void *countp)
{
- (*(int *) countp)++;
+ if (PD_TID (thread->ptid))
+ (*(int *) countp)++;
return 0;
}
-/* iterate_over_threads() callback for accumulating GDB thread pids. */
+/* iterate_over_threads() callback for accumulating GDB thread pids.
+
+ Do not include the main thread (whose tid is zero). This matches
+ the list of threads provided by the pthreaddebug library, which
+ does not include that main thread either, and thus allows us
+ to compare the two lists. */
static int
giter_accum (struct thread_info *thread, void *bufp)
{
- **(struct thread_info ***) bufp = thread;
- (*(struct thread_info ***) bufp)++;
+ if (PD_TID (thread->ptid))
+ {
+ **(struct thread_info ***) bufp = thread;
+ (*(struct thread_info ***) bufp)++;
+ }
return 0;
}
return ptid_cmp (t1->ptid, t2->ptid);
}
+/* Search through the list of all kernel threads for the thread
+ that has stopped on a SIGTRAP signal, and return its TID.
+ Return 0 if none found. */
+
+static pthdb_tid_t
+get_signaled_thread (void)
+{
+ struct thrdsinfo64 thrinf;
+ tid_t ktid = 0;
+ int result = 0;
+
+ while (1)
+ {
+ if (getthrds (ptid_get_pid (inferior_ptid), &thrinf,
+ sizeof (thrinf), &ktid, 1) != 1)
+ break;
+
+ if (thrinf.ti_cursig == SIGTRAP)
+ return thrinf.ti_tid;
+ }
+
+ /* Didn't find any thread stopped on a SIGTRAP signal. */
+ return 0;
+}
+
/* Synchronize GDB's thread list with libpthdebug's.
There are some benefits of doing this every time the inferior stops:
/* Apply differences between the two arrays to GDB's thread list. */
- infpid = PIDGET (inferior_ptid);
+ infpid = ptid_get_pid (inferior_ptid);
for (pi = gi = 0; pi < pcount || gi < gcount;)
{
if (pi == pcount)
}
else if (gi == gcount)
{
- thread = add_thread (BUILD_THREAD (pbuf[pi].pthid, infpid));
+ thread = add_thread (ptid_build (infpid, 0, pbuf[pi].pthid));
thread->private = xmalloc (sizeof (struct private_thread_info));
thread->private->pdtid = pbuf[pi].pdtid;
thread->private->tid = pbuf[pi].tid;
ptid_t pptid, gptid;
int cmp_result;
- pptid = BUILD_THREAD (pbuf[pi].pthid, infpid);
+ pptid = ptid_build (infpid, 0, pbuf[pi].pthid);
gptid = gbuf[gi]->ptid;
pdtid = pbuf[pi].pdtid;
tid = pbuf[pi].tid;
xfree (gbuf);
}
-/* Iterate_over_threads() callback for locating a thread whose kernel
- thread just received a trap signal. */
+/* Iterate_over_threads() callback for locating a thread, using
+ the TID of its associated kernel thread. */
static int
-iter_trap (struct thread_info *thread, void *unused)
+iter_tid (struct thread_info *thread, void *tidp)
{
- struct thrdsinfo64 thrinf;
- pthdb_tid_t tid;
-
- /* getthrds(3) isn't prototyped in any AIX 4.3.3 #include file. */
- extern int getthrds (pid_t, struct thrdsinfo64 *,
- int, pthdb_tid_t *, int);
-
- tid = thread->private->tid;
- if (tid == PTHDB_INVALID_TID)
- return 0;
+ const pthdb_tid_t tid = *(pthdb_tid_t *)tidp;
- if (getthrds (PIDGET (inferior_ptid), &thrinf,
- sizeof (thrinf), &tid, 1) != 1)
- return 0;
-
- return thrinf.ti_cursig == SIGTRAP;
+ return (thread->private->tid == tid);
}
/* Synchronize libpthdebug's state with the inferior and with GDB,
{
int status;
ptid_t ptid;
- struct thread_info *thread;
+ pthdb_tid_t tid;
+ struct thread_info *thread = NULL;
if (!pd_active)
return inferior_ptid;
/* Define "current thread" as one that just received a trap signal. */
- thread = iterate_over_threads (iter_trap, NULL);
+ tid = get_signaled_thread ();
+ if (tid != 0)
+ thread = iterate_over_threads (iter_tid, &tid);
if (!thread)
ptid = inferior_ptid;
else
return ptid;
}
-/* Try to start debugging threads in the current process.
+/* Try to start debugging threads in the current process.
If successful and SET_INFPID, set inferior_ptid to reflect the
current thread. */
return;
/* Check application word size. */
- arch64 = REGISTER_RAW_SIZE (0) == 8;
+ arch64 = register_size (target_gdbarch (), 0) == 8;
/* Check whether the application is pthreaded. */
stub_name = NULL;
status = pthdb_session_pthreaded (PD_USER, PTHDB_FLAG_REGS,
&pd_callbacks, &stub_name);
- if ((status != PTHDB_SUCCESS &&
- status != PTHDB_NOT_PTHREADED) || !stub_name)
+ if ((status != PTHDB_SUCCESS
+ && status != PTHDB_NOT_PTHREADED) || !stub_name)
return;
/* Set a breakpoint on the returned stub function. */
if (!(ms = lookup_minimal_symbol (stub_name, NULL, NULL)))
return;
pd_brk_addr = SYMBOL_VALUE_ADDRESS (ms);
- if (!create_thread_event_breakpoint (pd_brk_addr))
+ if (!create_thread_event_breakpoint (target_gdbarch (), pd_brk_addr))
return;
/* Prepare for thread debugging. */
- base_ops = current_target;
- push_target (&ops);
+ push_target (&aix_thread_ops);
pd_able = 1;
/* If we're debugging a core file or an attached inferior, the
if (pd_active)
pd_deactivate ();
pd_able = 0;
- unpush_target (&ops);
+ unpush_target (&aix_thread_ops);
}
-/* target_new_objfile_hook callback.
+/* new_objfile observer callback.
If OBJFILE is non-null, check whether a threaded application is
being debugged, and if so, prepare for thread debugging.
pd_enable ();
else
pd_disable ();
-
- if (target_new_objfile_chain)
- target_new_objfile_chain (objfile);
}
/* Attach to process specified by ARGS. */
static void
-ops_attach (char *args, int from_tty)
+aix_thread_attach (struct target_ops *ops, char *args, int from_tty)
{
- base_ops.to_attach (args, from_tty);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ beneath->to_attach (beneath, args, from_tty);
pd_activate (1);
}
-/* Detach from the process attached to by ops_attach(). */
+/* Detach from the process attached to by aix_thread_attach(). */
static void
-ops_detach (char *args, int from_tty)
+aix_thread_detach (struct target_ops *ops, const char *args, int from_tty)
{
- pd_deactivate ();
- base_ops.to_detach (args, from_tty);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ pd_disable ();
+ beneath->to_detach (beneath, args, from_tty);
}
/* Tell the inferior process to continue running thread PID if != -1
and all threads otherwise. */
static void
-ops_resume (ptid_t ptid, int step, enum target_signal sig)
+aix_thread_resume (struct target_ops *ops,
+ ptid_t ptid, int step, enum gdb_signal sig)
{
struct thread_info *thread;
pthdb_tid_t tid[2];
if (!PD_TID (ptid))
{
struct cleanup *cleanup = save_inferior_ptid ();
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_ops.to_resume (ptid, step, sig);
+ struct target_ops *beneath = find_target_beneath (ops);
+
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ beneath->to_resume (beneath, ptid, step, sig);
do_cleanups (cleanup);
}
else
{
- thread = find_thread_pid (ptid);
+ thread = find_thread_ptid (ptid);
if (!thread)
- error ("aix-thread resume: unknown pthread %ld",
- TIDGET (ptid));
+ error (_("aix-thread resume: unknown pthread %ld"),
+ ptid_get_lwp (ptid));
tid[0] = thread->private->tid;
if (tid[0] == PTHDB_INVALID_TID)
- error ("aix-thread resume: no tid for pthread %ld",
- TIDGET (ptid));
+ error (_("aix-thread resume: no tid for pthread %ld"),
+ ptid_get_lwp (ptid));
tid[1] = 0;
if (arch64)
- ptrace64aix (PTT_CONTINUE, tid[0], 1,
- target_signal_to_host (sig), (int *)tid);
+ ptrace64aix (PTT_CONTINUE, tid[0], (long long) 1,
+ gdb_signal_to_host (sig), (void *) tid);
else
- ptrace32 (PTT_CONTINUE, tid[0], (int *) 1,
- target_signal_to_host (sig), (int *)tid);
+ ptrace32 (PTT_CONTINUE, tid[0], (addr_ptr) 1,
+ gdb_signal_to_host (sig), (void *) tid);
}
}
thread. */
static ptid_t
-ops_wait (ptid_t ptid, struct target_waitstatus *status)
+aix_thread_wait (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *status, int options)
{
struct cleanup *cleanup = save_inferior_ptid ();
+ struct target_ops *beneath = find_target_beneath (ops);
pid_to_prc (&ptid);
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- ptid = base_ops.to_wait (ptid, status);
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ ptid = beneath->to_wait (beneath, ptid, status, options);
do_cleanups (cleanup);
- if (PIDGET (ptid) == -1)
+ if (ptid_get_pid (ptid) == -1)
return pid_to_ptid (-1);
/* Check whether libpthdebug might be ready to be initialized. */
- if (!pd_active && status->kind == TARGET_WAITKIND_STOPPED &&
- status->value.sig == TARGET_SIGNAL_TRAP &&
- read_pc_pid (ptid) - DECR_PC_AFTER_BREAK == pd_brk_addr)
- return pd_activate (0);
+ if (!pd_active && status->kind == TARGET_WAITKIND_STOPPED
+ && status->value.sig == GDB_SIGNAL_TRAP)
+ {
+ struct regcache *regcache = get_thread_regcache (ptid);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
+ if (regcache_read_pc (regcache)
+ - target_decr_pc_after_break (gdbarch) == pd_brk_addr)
+ return pd_activate (0);
+ }
return pd_update (0);
}
/* Record that the 64-bit general-purpose registers contain VALS. */
static void
-supply_gprs64 (uint64_t *vals)
+supply_gprs64 (struct regcache *regcache, uint64_t *vals)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
- for (regno = 0; regno < 32; regno++)
- supply_register (regno, (char *) (vals + regno));
+ for (regno = 0; regno < ppc_num_gprs; regno++)
+ regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + regno,
+ (char *) (vals + regno));
}
/* Record that 32-bit register REGNO contains VAL. */
static void
-supply_reg32 (int regno, uint32_t val)
+supply_reg32 (struct regcache *regcache, int regno, uint32_t val)
{
- supply_register (regno, (char *) &val);
+ regcache_raw_supply (regcache, regno, (char *) &val);
}
/* Record that the floating-point registers contain VALS. */
static void
-supply_fprs (double *vals)
+supply_fprs (struct regcache *regcache, double *vals)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
- for (regno = 0; regno < 32; regno++)
- supply_register (regno + FP0_REGNUM, (char *) (vals + regno));
+ /* This function should never be called on architectures without
+ floating-point registers. */
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
+
+ for (regno = tdep->ppc_fp0_regnum;
+ regno < tdep->ppc_fp0_regnum + ppc_num_fprs;
+ regno++)
+ regcache_raw_supply (regcache, regno,
+ (char *) (vals + regno - tdep->ppc_fp0_regnum));
+}
+
+/* Predicate to test whether given register number is a "special" register. */
+static int
+special_register_p (struct gdbarch *gdbarch, int regno)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ return regno == gdbarch_pc_regnum (gdbarch)
+ || regno == tdep->ppc_ps_regnum
+ || regno == tdep->ppc_cr_regnum
+ || regno == tdep->ppc_lr_regnum
+ || regno == tdep->ppc_ctr_regnum
+ || regno == tdep->ppc_xer_regnum
+ || (tdep->ppc_fpscr_regnum >= 0 && regno == tdep->ppc_fpscr_regnum)
+ || (tdep->ppc_mq_regnum >= 0 && regno == tdep->ppc_mq_regnum);
}
+
/* Record that the special registers contain the specified 64-bit and
32-bit values. */
static void
-supply_sprs64 (uint64_t iar, uint64_t msr, uint32_t cr,
- uint64_t lr, uint64_t ctr, uint32_t xer)
+supply_sprs64 (struct regcache *regcache,
+ uint64_t iar, uint64_t msr, uint32_t cr,
+ uint64_t lr, uint64_t ctr, uint32_t xer,
+ uint32_t fpscr)
{
- int regno = FIRST_UISA_SP_REGNUM;
-
- supply_register (regno, (char *) &iar);
- supply_register (regno + 1, (char *) &msr);
- supply_register (regno + 2, (char *) &cr);
- supply_register (regno + 3, (char *) &lr);
- supply_register (regno + 4, (char *) &ctr);
- supply_register (regno + 5, (char *) &xer);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch),
+ (char *) &iar);
+ regcache_raw_supply (regcache, tdep->ppc_ps_regnum, (char *) &msr);
+ regcache_raw_supply (regcache, tdep->ppc_cr_regnum, (char *) &cr);
+ regcache_raw_supply (regcache, tdep->ppc_lr_regnum, (char *) &lr);
+ regcache_raw_supply (regcache, tdep->ppc_ctr_regnum, (char *) &ctr);
+ regcache_raw_supply (regcache, tdep->ppc_xer_regnum, (char *) &xer);
+ if (tdep->ppc_fpscr_regnum >= 0)
+ regcache_raw_supply (regcache, tdep->ppc_fpscr_regnum,
+ (char *) &fpscr);
}
/* Record that the special registers contain the specified 32-bit
values. */
static void
-supply_sprs32 (uint32_t iar, uint32_t msr, uint32_t cr,
- uint32_t lr, uint32_t ctr, uint32_t xer)
+supply_sprs32 (struct regcache *regcache,
+ uint32_t iar, uint32_t msr, uint32_t cr,
+ uint32_t lr, uint32_t ctr, uint32_t xer,
+ uint32_t fpscr)
{
- int regno = FIRST_UISA_SP_REGNUM;
-
- supply_register (regno, (char *) &iar);
- supply_register (regno + 1, (char *) &msr);
- supply_register (regno + 2, (char *) &cr);
- supply_register (regno + 3, (char *) &lr);
- supply_register (regno + 4, (char *) &ctr);
- supply_register (regno + 5, (char *) &xer);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch),
+ (char *) &iar);
+ regcache_raw_supply (regcache, tdep->ppc_ps_regnum, (char *) &msr);
+ regcache_raw_supply (regcache, tdep->ppc_cr_regnum, (char *) &cr);
+ regcache_raw_supply (regcache, tdep->ppc_lr_regnum, (char *) &lr);
+ regcache_raw_supply (regcache, tdep->ppc_ctr_regnum, (char *) &ctr);
+ regcache_raw_supply (regcache, tdep->ppc_xer_regnum, (char *) &xer);
+ if (tdep->ppc_fpscr_regnum >= 0)
+ regcache_raw_supply (regcache, tdep->ppc_fpscr_regnum,
+ (char *) &fpscr);
}
/* Fetch all registers from pthread PDTID, which doesn't have a kernel
function. */
static void
-fetch_regs_lib (pthdb_pthread_t pdtid)
+fetch_regs_user_thread (struct regcache *regcache, pthdb_pthread_t pdtid)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, "fetch_regs_lib %lx\n", (long)pdtid);
+ fprintf_unfiltered (gdb_stdlog,
+ "fetch_regs_user_thread %lx\n", (long) pdtid);
status = pthdb_pthread_context (pd_session, pdtid, &ctx);
if (status != PTHDB_SUCCESS)
- error ("aix-thread: fetch_registers: pthdb_pthread_context returned %s",
+ error (_("aix-thread: fetch_registers: pthdb_pthread_context returned %s"),
pd_status2str (status));
/* General-purpose registers. */
if (arch64)
- supply_gprs64 (ctx.gpr);
+ supply_gprs64 (regcache, ctx.gpr);
else
- for (i = 0; i < 32; i++)
- supply_reg32 (i, ctx.gpr[i]);
+ for (i = 0; i < ppc_num_gprs; i++)
+ supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, ctx.gpr[i]);
/* Floating-point registers. */
- supply_fprs (ctx.fpr);
+ if (ppc_floating_point_unit_p (gdbarch))
+ supply_fprs (regcache, ctx.fpr);
/* Special registers. */
if (arch64)
- supply_sprs64 (ctx.iar, ctx.msr, ctx.cr, ctx.lr, ctx.ctr, ctx.xer);
+ supply_sprs64 (regcache, ctx.iar, ctx.msr, ctx.cr, ctx.lr, ctx.ctr,
+ ctx.xer, ctx.fpscr);
else
- supply_sprs32 (ctx.iar, ctx.msr, ctx.cr, ctx.lr, ctx.ctr, ctx.xer);
+ supply_sprs32 (regcache, ctx.iar, ctx.msr, ctx.cr, ctx.lr, ctx.ctr,
+ ctx.xer, ctx.fpscr);
}
/* Fetch register REGNO if != -1 or all registers otherwise from
be retrieved. */
static void
-fetch_regs_kern (int regno, pthdb_tid_t tid)
+fetch_regs_kernel_thread (struct regcache *regcache, int regno,
+ pthdb_tid_t tid)
{
- uint64_t gprs64[32];
- uint32_t gprs32[32];
- double fprs[32];
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ uint64_t gprs64[ppc_num_gprs];
+ uint32_t gprs32[ppc_num_gprs];
+ double fprs[ppc_num_fprs];
struct ptxsprs sprs64;
struct ptsprs sprs32;
int i;
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "fetch_regs_kern tid=%lx regno=%d arch64=%d\n",
- (long)tid, regno, arch64);
+ "fetch_regs_kernel_thread tid=%lx regno=%d arch64=%d\n",
+ (long) tid, regno, arch64);
/* General-purpose registers. */
- if (regno == -1 || regno < FP0_REGNUM)
+ if (regno == -1
+ || (tdep->ppc_gp0_regnum <= regno
+ && regno < tdep->ppc_gp0_regnum + ppc_num_gprs))
{
if (arch64)
{
if (!ptrace64aix (PTT_READ_GPRS, tid,
(unsigned long) gprs64, 0, NULL))
memset (gprs64, 0, sizeof (gprs64));
- supply_gprs64 (gprs64);
+ supply_gprs64 (regcache, gprs64);
}
else
{
- if (!ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL))
memset (gprs32, 0, sizeof (gprs32));
- for (i = 0; i < 32; i++)
- supply_reg32 (i, gprs32[i]);
+ for (i = 0; i < ppc_num_gprs; i++)
+ supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, gprs32[i]);
}
}
/* Floating-point registers. */
- if (regno == -1 || (regno >= FP0_REGNUM && regno <= FPLAST_REGNUM))
+ if (ppc_floating_point_unit_p (gdbarch)
+ && (regno == -1
+ || (regno >= tdep->ppc_fp0_regnum
+ && regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
- if (!ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL))
+ if (!ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
- supply_fprs (fprs);
+ supply_fprs (regcache, fprs);
}
/* Special-purpose registers. */
- if (regno == -1 ||
- (regno > FPLAST_REGNUM && regno <= LAST_UISA_SP_REGNUM))
+ if (regno == -1 || special_register_p (gdbarch, regno))
{
if (arch64)
{
if (!ptrace64aix (PTT_READ_SPRS, tid,
(unsigned long) &sprs64, 0, NULL))
memset (&sprs64, 0, sizeof (sprs64));
- supply_sprs64 (sprs64.pt_iar, sprs64.pt_msr, sprs64.pt_cr,
- sprs64.pt_lr, sprs64.pt_ctr, sprs64.pt_xer);
+ supply_sprs64 (regcache, sprs64.pt_iar, sprs64.pt_msr,
+ sprs64.pt_cr, sprs64.pt_lr, sprs64.pt_ctr,
+ sprs64.pt_xer, sprs64.pt_fpscr);
}
else
{
- if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (!ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
- supply_sprs32 (sprs32.pt_iar, sprs32.pt_msr, sprs32.pt_cr,
- sprs32.pt_lr, sprs32.pt_ctr, sprs32.pt_xer);
+ supply_sprs32 (regcache, sprs32.pt_iar, sprs32.pt_msr, sprs32.pt_cr,
+ sprs32.pt_lr, sprs32.pt_ctr, sprs32.pt_xer,
+ sprs32.pt_fpscr);
- if (REGISTER_RAW_SIZE (LAST_UISA_SP_REGNUM))
- supply_register (LAST_UISA_SP_REGNUM, (char *) &sprs32.pt_mq);
+ if (tdep->ppc_mq_regnum >= 0)
+ regcache_raw_supply (regcache, tdep->ppc_mq_regnum,
+ (char *) &sprs32.pt_mq);
}
}
}
thread/process specified by inferior_ptid. */
static void
-ops_fetch_registers (int regno)
+aix_thread_fetch_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
+ struct target_ops *beneath = find_target_beneath (ops);
if (!PD_TID (inferior_ptid))
- base_ops.to_fetch_registers (regno);
+ beneath->to_fetch_registers (beneath, regcache, regno);
else
{
- thread = find_thread_pid (inferior_ptid);
+ thread = find_thread_ptid (inferior_ptid);
tid = thread->private->tid;
if (tid == PTHDB_INVALID_TID)
- fetch_regs_lib (thread->private->pdtid);
+ fetch_regs_user_thread (regcache, thread->private->pdtid);
else
- fetch_regs_kern (regno, tid);
+ fetch_regs_kernel_thread (regcache, regno, tid);
}
}
/* Store the gp registers into an array of uint32_t or uint64_t. */
static void
-fill_gprs64 (uint64_t *vals)
+fill_gprs64 (const struct regcache *regcache, uint64_t *vals)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
- for (regno = 0; regno < FP0_REGNUM; regno++)
- if (register_cached (regno))
- regcache_collect (regno, vals + regno);
+ for (regno = 0; regno < ppc_num_gprs; regno++)
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + regno))
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + regno,
+ vals + regno);
}
static void
-fill_gprs32 (uint32_t *vals)
+fill_gprs32 (const struct regcache *regcache, uint32_t *vals)
{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
- for (regno = 0; regno < FP0_REGNUM; regno++)
- if (register_cached (regno))
- regcache_collect (regno, vals + regno);
+ for (regno = 0; regno < ppc_num_gprs; regno++)
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + regno))
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + regno,
+ vals + regno);
}
/* Store the floating point registers into a double array. */
static void
-fill_fprs (double *vals)
+fill_fprs (const struct regcache *regcache, double *vals)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
- for (regno = FP0_REGNUM; regno < FPLAST_REGNUM; regno++)
- if (register_cached (regno))
- regcache_collect (regno, vals + regno);
+ /* This function should never be called on architectures without
+ floating-point registers. */
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
+
+ for (regno = tdep->ppc_fp0_regnum;
+ regno < tdep->ppc_fp0_regnum + ppc_num_fprs;
+ regno++)
+ if (REG_VALID == regcache_register_status (regcache, regno))
+ regcache_raw_collect (regcache, regno,
+ vals + regno - tdep->ppc_fp0_regnum);
}
/* Store the special registers into the specified 64-bit and 32-bit
locations. */
static void
-fill_sprs64 (uint64_t *iar, uint64_t *msr, uint32_t *cr,
- uint64_t *lr, uint64_t *ctr, uint32_t *xer)
+fill_sprs64 (const struct regcache *regcache,
+ uint64_t *iar, uint64_t *msr, uint32_t *cr,
+ uint64_t *lr, uint64_t *ctr, uint32_t *xer,
+ uint32_t *fpscr)
{
- int regno = FIRST_UISA_SP_REGNUM;
-
- gdb_assert (sizeof (*iar) == REGISTER_RAW_SIZE (regno));
-
- if (register_cached (regno))
- regcache_collect (regno, iar);
- if (register_cached (regno + 1))
- regcache_collect (regno + 1, msr);
- if (register_cached (regno + 2))
- regcache_collect (regno + 2, cr);
- if (register_cached (regno + 3))
- regcache_collect (regno + 3, lr);
- if (register_cached (regno + 4))
- regcache_collect (regno + 4, ctr);
- if (register_cached (regno + 5))
- regcache_collect (regno + 5, xer);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ /* Verify that the size of the size of the IAR buffer is the
+ same as the raw size of the PC (in the register cache). If
+ they're not, then either GDB has been built incorrectly, or
+ there's some other kind of internal error. To be really safe,
+ we should check all of the sizes. */
+ gdb_assert (sizeof (*iar) == register_size
+ (gdbarch, gdbarch_pc_regnum (gdbarch)));
+
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
+ regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ctr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_xer_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
+ if (tdep->ppc_fpscr_regnum >= 0
+ && REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_fpscr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_fpscr_regnum, fpscr);
}
static void
-fill_sprs32 (unsigned long *iar, unsigned long *msr, unsigned long *cr,
- unsigned long *lr, unsigned long *ctr, unsigned long *xer)
+fill_sprs32 (const struct regcache *regcache,
+ uint32_t *iar, uint32_t *msr, uint32_t *cr,
+ uint32_t *lr, uint32_t *ctr, uint32_t *xer,
+ uint32_t *fpscr)
{
- int regno = FIRST_UISA_SP_REGNUM;
-
- /* If this assert() fails, the most likely reason is that GDB was
- built incorrectly. In order to make use of many of the header
- files in /usr/include/sys, GDB needs to be configured so that
- sizeof (long) == 4). */
- gdb_assert (sizeof (*iar) == REGISTER_RAW_SIZE (regno));
-
- if (register_cached (regno))
- regcache_collect (regno, iar);
- if (register_cached (regno + 1))
- regcache_collect (regno + 1, msr);
- if (register_cached (regno + 2))
- regcache_collect (regno + 2, cr);
- if (register_cached (regno + 3))
- regcache_collect (regno + 3, lr);
- if (register_cached (regno + 4))
- regcache_collect (regno + 4, ctr);
- if (register_cached (regno + 5))
- regcache_collect (regno + 5, xer);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ /* Verify that the size of the size of the IAR buffer is the
+ same as the raw size of the PC (in the register cache). If
+ they're not, then either GDB has been built incorrectly, or
+ there's some other kind of internal error. To be really safe,
+ we should check all of the sizes. */
+ gdb_assert (sizeof (*iar) == register_size (gdbarch,
+ gdbarch_pc_regnum (gdbarch)));
+
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
+ regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ctr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_xer_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
+ if (tdep->ppc_fpscr_regnum >= 0
+ && REG_VALID == regcache_register_status (regcache, tdep->ppc_fpscr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_fpscr_regnum, fpscr);
}
/* Store all registers into pthread PDTID, which doesn't have a kernel
but I doubt it's worth the effort. */
static void
-store_regs_lib (pthdb_pthread_t pdtid)
+store_regs_user_thread (const struct regcache *regcache, pthdb_pthread_t pdtid)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
uint32_t int32;
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog,
- "store_regs_lib %lx\n", (long)pdtid);
+ "store_regs_user_thread %lx\n", (long) pdtid);
/* Retrieve the thread's current context for its non-register
values. */
status = pthdb_pthread_context (pd_session, pdtid, &ctx);
if (status != PTHDB_SUCCESS)
- error ("aix-thread: store_registers: pthdb_pthread_context returned %s",
+ error (_("aix-thread: store_registers: pthdb_pthread_context returned %s"),
pd_status2str (status));
/* Collect general-purpose register values from the regcache. */
- for (i = 0; i < 32; i++)
- if (register_cached (i))
+ for (i = 0; i < ppc_num_gprs; i++)
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + i))
{
if (arch64)
{
- regcache_collect (i, (void *) &int64);
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + i,
+ (void *) &int64);
ctx.gpr[i] = int64;
}
else
{
- regcache_collect (i, (void *) &int32);
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + i,
+ (void *) &int32);
ctx.gpr[i] = int32;
}
}
/* Collect floating-point register values from the regcache. */
- fill_fprs (ctx.fpr);
+ if (ppc_floating_point_unit_p (gdbarch))
+ fill_fprs (regcache, ctx.fpr);
/* Special registers (always kept in ctx as 64 bits). */
if (arch64)
{
- fill_sprs64 (&ctx.iar, &ctx.msr, &ctx.cr, &ctx.lr, &ctx.ctr, &ctx.xer);
+ fill_sprs64 (regcache, &ctx.iar, &ctx.msr, &ctx.cr, &ctx.lr, &ctx.ctr,
+ &ctx.xer, &ctx.fpscr);
}
else
{
/* Problem: ctx.iar etc. are 64 bits, but raw_registers are 32.
- Solution: use 32-bit temp variables. (The assert() in fill_sprs32()
- will fail if the size of an unsigned long is incorrect. If this
- happens, GDB needs to be reconfigured so that longs are 32-bits.) */
- unsigned long tmp_iar, tmp_msr, tmp_cr, tmp_lr, tmp_ctr, tmp_xer;
-
- fill_sprs32 (&tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr, &tmp_ctr, &tmp_xer);
- if (register_cached (FIRST_UISA_SP_REGNUM))
+ Solution: use 32-bit temp variables. */
+ uint32_t tmp_iar, tmp_msr, tmp_cr, tmp_lr, tmp_ctr, tmp_xer,
+ tmp_fpscr;
+
+ fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr, &tmp_ctr,
+ &tmp_xer, &tmp_fpscr);
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
ctx.iar = tmp_iar;
- if (register_cached (FIRST_UISA_SP_REGNUM + 1))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
ctx.msr = tmp_msr;
- if (register_cached (FIRST_UISA_SP_REGNUM + 2))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
ctx.cr = tmp_cr;
- if (register_cached (FIRST_UISA_SP_REGNUM + 3))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
ctx.lr = tmp_lr;
- if (register_cached (FIRST_UISA_SP_REGNUM + 4))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_ctr_regnum))
ctx.ctr = tmp_ctr;
- if (register_cached (FIRST_UISA_SP_REGNUM + 5))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_xer_regnum))
ctx.xer = tmp_xer;
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_xer_regnum))
+ ctx.fpscr = tmp_fpscr;
}
status = pthdb_pthread_setcontext (pd_session, pdtid, &ctx);
if (status != PTHDB_SUCCESS)
- error ("aix-thread: store_registers: pthdb_pthread_setcontext returned %s",
+ error (_("aix-thread: store_registers: "
+ "pthdb_pthread_setcontext returned %s"),
pd_status2str (status));
}
group. */
static void
-store_regs_kern (int regno, pthdb_tid_t tid)
+store_regs_kernel_thread (const struct regcache *regcache, int regno,
+ pthdb_tid_t tid)
{
- uint64_t gprs64[32];
- uint32_t gprs32[32];
- double fprs[32];
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ uint64_t gprs64[ppc_num_gprs];
+ uint32_t gprs32[ppc_num_gprs];
+ double fprs[ppc_num_fprs];
struct ptxsprs sprs64;
struct ptsprs sprs32;
int i;
if (debug_aix_thread)
- fprintf_unfiltered (gdb_stdlog, "store_regs_kern tid=%lx regno=%d\n",
- (long)tid, regno);
+ fprintf_unfiltered (gdb_stdlog,
+ "store_regs_kernel_thread tid=%lx regno=%d\n",
+ (long) tid, regno);
/* General-purpose registers. */
- if (regno == -1 || regno < FP0_REGNUM)
+ if (regno == -1
+ || (tdep->ppc_gp0_regnum <= regno
+ && regno < tdep->ppc_gp0_regnum + ppc_num_fprs))
{
if (arch64)
{
/* Pre-fetch: some regs may not be in the cache. */
ptrace64aix (PTT_READ_GPRS, tid, (unsigned long) gprs64, 0, NULL);
- fill_gprs64 (gprs64);
+ fill_gprs64 (regcache, gprs64);
ptrace64aix (PTT_WRITE_GPRS, tid, (unsigned long) gprs64, 0, NULL);
}
else
{
/* Pre-fetch: some regs may not be in the cache. */
- ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL);
- fill_gprs32 (gprs32);
- ptrace32 (PTT_WRITE_GPRS, tid, gprs32, 0, NULL);
+ ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL);
+ fill_gprs32 (regcache, gprs32);
+ ptrace32 (PTT_WRITE_GPRS, tid, (uintptr_t) gprs32, 0, NULL);
}
}
/* Floating-point registers. */
- if (regno == -1 || (regno >= FP0_REGNUM && regno <= FPLAST_REGNUM))
+ if (ppc_floating_point_unit_p (gdbarch)
+ && (regno == -1
+ || (regno >= tdep->ppc_fp0_regnum
+ && regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
/* Pre-fetch: some regs may not be in the cache. */
- ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL);
- fill_fprs (fprs);
- ptrace32 (PTT_WRITE_FPRS, tid, (int *) fprs, 0, NULL);
+ ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL);
+ fill_fprs (regcache, fprs);
+ ptrace32 (PTT_WRITE_FPRS, tid, (uintptr_t) fprs, 0, NULL);
}
/* Special-purpose registers. */
- if (regno == -1 ||
- (regno > FPLAST_REGNUM && regno <= LAST_UISA_SP_REGNUM))
+ if (regno == -1 || special_register_p (gdbarch, regno))
{
if (arch64)
{
/* Pre-fetch: some registers won't be in the cache. */
ptrace64aix (PTT_READ_SPRS, tid,
(unsigned long) &sprs64, 0, NULL);
- fill_sprs64 (&sprs64.pt_iar, &sprs64.pt_msr, &sprs64.pt_cr,
- &sprs64.pt_lr, &sprs64.pt_ctr, &sprs64.pt_xer);
+ fill_sprs64 (regcache, &sprs64.pt_iar, &sprs64.pt_msr,
+ &sprs64.pt_cr, &sprs64.pt_lr, &sprs64.pt_ctr,
+ &sprs64.pt_xer, &sprs64.pt_fpscr);
ptrace64aix (PTT_WRITE_SPRS, tid,
(unsigned long) &sprs64, 0, NULL);
}
else
{
- /* Pre-fetch: some registers won't be in the cache. */
- ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL);
-
- fill_sprs32 (&sprs32.pt_iar, &sprs32.pt_msr, &sprs32.pt_cr,
- &sprs32.pt_lr, &sprs32.pt_ctr, &sprs32.pt_xer);
+ /* The contents of "struct ptspr" were declared as "unsigned
+ long" up to AIX 5.2, but are "unsigned int" since 5.3.
+ Use temporaries to work around this problem. Also, add an
+ assert here to make sure we fail if the system header files
+ use "unsigned long", and the size of that type is not what
+ the headers expect. */
+ uint32_t tmp_iar, tmp_msr, tmp_cr, tmp_lr, tmp_ctr, tmp_xer,
+ tmp_fpscr;
- if (REGISTER_RAW_SIZE (LAST_UISA_SP_REGNUM))
- if (register_cached (LAST_UISA_SP_REGNUM))
- regcache_collect (LAST_UISA_SP_REGNUM, &sprs32.pt_mq);
+ gdb_assert (sizeof (sprs32.pt_iar) == 4);
- ptrace32 (PTT_WRITE_SPRS, tid, (int *) &sprs32, 0, NULL);
+ /* Pre-fetch: some registers won't be in the cache. */
+ ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL);
+
+ fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr,
+ &tmp_ctr, &tmp_xer, &tmp_fpscr);
+
+ sprs32.pt_iar = tmp_iar;
+ sprs32.pt_msr = tmp_msr;
+ sprs32.pt_cr = tmp_cr;
+ sprs32.pt_lr = tmp_lr;
+ sprs32.pt_ctr = tmp_ctr;
+ sprs32.pt_xer = tmp_xer;
+ sprs32.pt_fpscr = tmp_fpscr;
+
+ if (tdep->ppc_mq_regnum >= 0)
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_mq_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_mq_regnum,
+ &sprs32.pt_mq);
+
+ ptrace32 (PTT_WRITE_SPRS, tid, (uintptr_t) &sprs32, 0, NULL);
}
}
}
thread/process specified by inferior_ptid. */
static void
-ops_store_registers (int regno)
+aix_thread_store_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
+ struct target_ops *beneath = find_target_beneath (ops);
if (!PD_TID (inferior_ptid))
- base_ops.to_store_registers (regno);
+ beneath->to_store_registers (beneath, regcache, regno);
else
{
- thread = find_thread_pid (inferior_ptid);
+ thread = find_thread_ptid (inferior_ptid);
tid = thread->private->tid;
if (tid == PTHDB_INVALID_TID)
- store_regs_lib (thread->private->pdtid);
+ store_regs_user_thread (regcache, thread->private->pdtid);
else
- store_regs_kern (regno, tid);
+ store_regs_kernel_thread (regcache, regno, tid);
}
}
-/* Transfer LEN bytes of memory from GDB address MYADDR to target
- address MEMADDR if WRITE and vice versa otherwise. */
+/* Attempt a transfer all LEN bytes starting at OFFSET between the
+ inferior's OBJECT:ANNEX space and GDB's READBUF/WRITEBUF buffer.
+ Return the number of bytes actually transferred. */
-static int
-ops_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
- struct mem_attrib *attrib,
- struct target_ops *target)
+static LONGEST
+aix_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)
{
- int n;
- struct cleanup *cleanup = save_inferior_ptid ();
+ struct cleanup *old_chain = save_inferior_ptid ();
+ LONGEST xfer;
+ struct target_ops *beneath = find_target_beneath (ops);
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- n = base_ops.to_xfer_memory (memaddr, myaddr, len,
- write, attrib, &base_ops);
- do_cleanups (cleanup);
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ xfer = beneath->to_xfer_partial (beneath, object, annex,
+ readbuf, writebuf, offset, len);
- return n;
-}
-
-/* Kill and forget about the inferior process. */
-
-static void
-ops_kill (void)
-{
- struct cleanup *cleanup = save_inferior_ptid ();
-
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_ops.to_kill ();
- do_cleanups (cleanup);
+ do_cleanups (old_chain);
+ return xfer;
}
/* Clean up after the inferior exits. */
static void
-ops_mourn_inferior (void)
+aix_thread_mourn_inferior (struct target_ops *ops)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
pd_deactivate ();
- base_ops.to_mourn_inferior ();
+ beneath->to_mourn_inferior (beneath);
}
/* Return whether thread PID is still valid. */
static int
-ops_thread_alive (ptid_t ptid)
+aix_thread_thread_alive (struct target_ops *ops, ptid_t ptid)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
if (!PD_TID (ptid))
- return base_ops.to_thread_alive (ptid);
+ return beneath->to_thread_alive (beneath, ptid);
/* We update the thread list every time the child stops, so all
valid threads should be in the thread list. */
"info threads" output. */
static char *
-ops_pid_to_str (ptid_t ptid)
+aix_thread_pid_to_str (struct target_ops *ops, ptid_t ptid)
{
static char *ret = NULL;
+ struct target_ops *beneath = find_target_beneath (ops);
if (!PD_TID (ptid))
- return base_ops.to_pid_to_str (ptid);
+ return beneath->to_pid_to_str (beneath, ptid);
/* Free previous return value; a new one will be allocated by
- xasprintf(). */
+ xstrprintf(). */
xfree (ret);
- xasprintf (&ret, "Thread %ld", ptid_get_tid (ptid));
+ ret = xstrprintf (_("Thread %ld"), ptid_get_tid (ptid));
return ret;
}
THREAD, for use in "info threads" output. */
static char *
-ops_extra_thread_info (struct thread_info *thread)
+aix_thread_extra_thread_info (struct thread_info *thread)
{
struct ui_file *buf;
int status;
pthdb_suspendstate_t suspendstate;
pthdb_detachstate_t detachstate;
int cancelpend;
- long length;
static char *ret = NULL;
if (!PD_TID (thread->ptid))
tid = thread->private->tid;
if (tid != PTHDB_INVALID_TID)
- fprintf_unfiltered (buf, "tid %d", tid);
+ /* i18n: Like "thread-identifier %d, [state] running, suspended" */
+ fprintf_unfiltered (buf, _("tid %d"), (int)tid);
status = pthdb_pthread_state (pd_session, pdtid, &state);
if (status != PTHDB_SUCCESS)
status = pthdb_pthread_suspendstate (pd_session, pdtid,
&suspendstate);
if (status == PTHDB_SUCCESS && suspendstate == PSS_SUSPENDED)
- fprintf_unfiltered (buf, ", suspended");
+ /* i18n: Like "Thread-Id %d, [state] running, suspended" */
+ fprintf_unfiltered (buf, _(", suspended"));
status = pthdb_pthread_detachstate (pd_session, pdtid,
&detachstate);
if (status == PTHDB_SUCCESS && detachstate == PDS_DETACHED)
- fprintf_unfiltered (buf, ", detached");
+ /* i18n: Like "Thread-Id %d, [state] running, detached" */
+ fprintf_unfiltered (buf, _(", detached"));
pthdb_pthread_cancelpend (pd_session, pdtid, &cancelpend);
if (status == PTHDB_SUCCESS && cancelpend)
- fprintf_unfiltered (buf, ", cancel pending");
+ /* i18n: Like "Thread-Id %d, [state] running, cancel pending" */
+ fprintf_unfiltered (buf, _(", cancel pending"));
ui_file_write (buf, "", 1);
xfree (ret); /* Free old buffer. */
- ret = ui_file_xstrdup (buf, &length);
+ ret = ui_file_xstrdup (buf, NULL);
ui_file_delete (buf);
return ret;
}
-/* Initialize target ops. */
+static ptid_t
+aix_thread_get_ada_task_ptid (long lwp, long thread)
+{
+ return ptid_build (ptid_get_pid (inferior_ptid), 0, thread);
+}
+
+/* Initialize target aix_thread_ops. */
static void
-init_ops (void)
+init_aix_thread_ops (void)
{
- ops.to_shortname = "aix-threads";
- ops.to_longname = "AIX pthread support";
- ops.to_doc = "AIX pthread support";
-
- ops.to_attach = ops_attach;
- ops.to_detach = ops_detach;
- ops.to_resume = ops_resume;
- ops.to_wait = ops_wait;
- ops.to_fetch_registers = ops_fetch_registers;
- ops.to_store_registers = ops_store_registers;
- ops.to_xfer_memory = ops_xfer_memory;
- /* No need for ops.to_create_inferior, because we activate thread
+ aix_thread_ops.to_shortname = "aix-threads";
+ aix_thread_ops.to_longname = _("AIX pthread support");
+ aix_thread_ops.to_doc = _("AIX pthread support");
+
+ aix_thread_ops.to_attach = aix_thread_attach;
+ aix_thread_ops.to_detach = aix_thread_detach;
+ aix_thread_ops.to_resume = aix_thread_resume;
+ aix_thread_ops.to_wait = aix_thread_wait;
+ aix_thread_ops.to_fetch_registers = aix_thread_fetch_registers;
+ aix_thread_ops.to_store_registers = aix_thread_store_registers;
+ aix_thread_ops.to_xfer_partial = aix_thread_xfer_partial;
+ /* No need for aix_thread_ops.to_create_inferior, because we activate thread
debugging when the inferior reaches pd_brk_addr. */
- ops.to_kill = ops_kill;
- ops.to_mourn_inferior = ops_mourn_inferior;
- ops.to_thread_alive = ops_thread_alive;
- ops.to_pid_to_str = ops_pid_to_str;
- ops.to_extra_thread_info = ops_extra_thread_info;
- ops.to_stratum = thread_stratum;
- ops.to_magic = OPS_MAGIC;
+ aix_thread_ops.to_mourn_inferior = aix_thread_mourn_inferior;
+ aix_thread_ops.to_thread_alive = aix_thread_thread_alive;
+ aix_thread_ops.to_pid_to_str = aix_thread_pid_to_str;
+ aix_thread_ops.to_extra_thread_info = aix_thread_extra_thread_info;
+ aix_thread_ops.to_get_ada_task_ptid = aix_thread_get_ada_task_ptid;
+ aix_thread_ops.to_stratum = thread_stratum;
+ aix_thread_ops.to_magic = OPS_MAGIC;
}
/* Module startup initialization function, automagically called by
init.c. */
+void _initialize_aix_thread (void);
+
void
_initialize_aix_thread (void)
{
- init_ops ();
- add_target (&ops);
+ init_aix_thread_ops ();
+ complete_target_initialization (&aix_thread_ops);
/* Notice when object files get loaded and unloaded. */
- target_new_objfile_chain = target_new_objfile_hook;
- target_new_objfile_hook = new_objfile;
-
- add_show_from_set (add_set_cmd ("aix-thread", no_class, var_zinteger,
- (char *) &debug_aix_thread,
- "Set debugging of AIX thread module.\n"
- "Enables printf debugging output.\n",
- &setdebuglist),
- &showdebuglist);
+ observer_attach_new_objfile (new_objfile);
+
+ add_setshow_boolean_cmd ("aix-thread", class_maintenance, &debug_aix_thread,
+ _("Set debugging of AIX thread module."),
+ _("Show debugging of AIX thread module."),
+ _("Enables debugging output (used to debug GDB)."),
+ NULL, NULL,
+ /* FIXME: i18n: Debugging of AIX thread
+ module is \"%d\". */
+ &setdebuglist, &showdebuglist);
}
projects / deliverable / binutils-gdb.git / blobdiff