/* Low level interface for debugging AIX 4.3+ pthreads.
- Copyright (C) 1999, 2000, 2002, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2002, 2007, 2008, 2009
+ 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, 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 "gdbcmd.h"
#include "ppc-tdep.h"
#include "gdb_string.h"
+#include "observer.h"
#include <procinfo.h>
#include <sys/types.h>
static struct target_ops aix_thread_ops;
-/* Copy of the target over which ops is pushed. This is more
- convenient than a pointer to deprecated_child_ops or core_ops,
- because they lack current_target's default callbacks. */
-
-static struct target_ops base_target;
-
/* Address of the function that libpthread will call when libpthdebug
is ready to be initialized. */
static int arch64;
-/* Saved pointer to previous owner of
- deprecated_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);
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
- if (!ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL))
+ if (!ptrace32 (PTT_READ_FPRS, tid, (void *) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
- memcpy (context->fpr, fprs, sizeof(fprs));
+ memcpy (context->fpr, fprs, sizeof(fprs));
}
/* Special-purpose registers. */
}
else
{
- ptrace32 (PTT_WRITE_SPRS, tid, (int *) &context->msr, 0, NULL);
+ ptrace32 (PTT_WRITE_SPRS, tid, (void *) &context->msr, 0, NULL);
}
}
return 0;
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;
/* Check application word size. */
- arch64 = register_size (current_gdbarch, 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_target = current_target;
push_target (&aix_thread_ops);
pd_able = 1;
unpush_target (&aix_thread_ops);
}
-/* deprecated_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
-aix_thread_attach (char *args, int from_tty)
+aix_thread_attach (struct target_ops *ops, char *args, int from_tty)
{
- base_target.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 aix_thread_attach(). */
static void
-aix_thread_detach (char *args, int from_tty)
+aix_thread_detach (struct target_ops *ops, char *args, int from_tty)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
pd_disable ();
- base_target.to_detach (args, from_tty);
+ beneath->to_detach (beneath, args, from_tty);
}
/* Tell the inferior process to continue running thread PID if != -1
and all threads otherwise. */
static void
-aix_thread_resume (ptid_t ptid, int step, enum target_signal sig)
+aix_thread_resume (struct target_ops *ops,
+ ptid_t ptid, int step, enum target_signal sig)
{
struct thread_info *thread;
pthdb_tid_t tid[2];
if (!PD_TID (ptid))
{
struct cleanup *cleanup = save_inferior_ptid ();
+ struct target_ops *beneath = find_target_beneath (ops);
+
inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_target.to_resume (ptid, step, sig);
+ 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));
if (arch64)
ptrace64aix (PTT_CONTINUE, tid[0], 1,
- target_signal_to_host (sig), (int *) tid);
+ target_signal_to_host (sig), (void *) tid);
else
ptrace32 (PTT_CONTINUE, tid[0], (int *) 1,
- target_signal_to_host (sig), (int *) tid);
+ target_signal_to_host (sig), (void *) tid);
}
}
thread. */
static ptid_t
-aix_thread_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_target.to_wait (ptid, status);
+ ptid = beneath->to_wait (beneath, ptid, status, options);
do_cleanups (cleanup);
if (PIDGET (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 == TARGET_SIGNAL_TRAP)
+ {
+ struct regcache *regcache = get_thread_regcache (ptid);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
+ if (regcache_read_pc (regcache)
+ - gdbarch_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 (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
- regcache_raw_supply (current_regcache, tdep->ppc_gp0_regnum + 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)
{
- regcache_raw_supply (current_regcache, 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_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
/* This function should never be called on architectures without
floating-point registers. */
- gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
for (regno = 0; regno < ppc_num_fprs; regno++)
- regcache_raw_supply (current_regcache, regno + tdep->ppc_fp0_regnum,
+ regcache_raw_supply (regcache, regno + tdep->ppc_fp0_regnum,
(char *) (vals + regno));
}
/* Predicate to test whether given register number is a "special" register. */
static int
-special_register_p (int regno)
+special_register_p (struct gdbarch *gdbarch, int regno)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- return regno == PC_REGNUM
+ return regno == gdbarch_pc_regnum (gdbarch)
|| regno == tdep->ppc_ps_regnum
|| regno == tdep->ppc_cr_regnum
|| regno == tdep->ppc_lr_regnum
32-bit values. */
static void
-supply_sprs64 (uint64_t iar, uint64_t msr, uint32_t cr,
+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)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- regcache_raw_supply (current_regcache, PC_REGNUM, (char *) &iar);
- regcache_raw_supply (current_regcache, tdep->ppc_ps_regnum, (char *) &msr);
- regcache_raw_supply (current_regcache, tdep->ppc_cr_regnum, (char *) &cr);
- regcache_raw_supply (current_regcache, tdep->ppc_lr_regnum, (char *) &lr);
- regcache_raw_supply (current_regcache, tdep->ppc_ctr_regnum, (char *) &ctr);
- regcache_raw_supply (current_regcache, tdep->ppc_xer_regnum, (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 (current_regcache, tdep->ppc_fpscr_regnum,
+ regcache_raw_supply (regcache, tdep->ppc_fpscr_regnum,
(char *) &fpscr);
}
values. */
static void
-supply_sprs32 (uint32_t iar, uint32_t msr, uint32_t cr,
+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)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- regcache_raw_supply (current_regcache, PC_REGNUM, (char *) &iar);
- regcache_raw_supply (current_regcache, tdep->ppc_ps_regnum, (char *) &msr);
- regcache_raw_supply (current_regcache, tdep->ppc_cr_regnum, (char *) &cr);
- regcache_raw_supply (current_regcache, tdep->ppc_lr_regnum, (char *) &lr);
- regcache_raw_supply (current_regcache, tdep->ppc_ctr_regnum, (char *) &ctr);
- regcache_raw_supply (current_regcache, tdep->ppc_xer_regnum, (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 (current_regcache, tdep->ppc_fpscr_regnum,
+ regcache_raw_supply (regcache, tdep->ppc_fpscr_regnum,
(char *) &fpscr);
}
function. */
static void
-fetch_regs_user_thread (pthdb_pthread_t pdtid)
+fetch_regs_user_thread (struct regcache *regcache, pthdb_pthread_t pdtid)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
/* General-purpose registers. */
if (arch64)
- supply_gprs64 (ctx.gpr);
+ supply_gprs64 (regcache, ctx.gpr);
else
for (i = 0; i < ppc_num_gprs; i++)
- supply_reg32 (tdep->ppc_gp0_regnum + i, ctx.gpr[i]);
+ supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, ctx.gpr[i]);
/* Floating-point registers. */
- if (ppc_floating_point_unit_p (current_gdbarch))
- 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,
- ctx.fpscr);
+ 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,
- ctx.fpscr);
+ 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_kernel_thread (int regno, pthdb_tid_t tid)
+fetch_regs_kernel_thread (struct regcache *regcache, int regno,
+ pthdb_tid_t tid)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ 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];
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))
memset (gprs32, 0, sizeof (gprs32));
for (i = 0; i < ppc_num_gprs; i++)
- supply_reg32 (tdep->ppc_gp0_regnum + i, gprs32[i]);
+ supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, gprs32[i]);
}
}
/* Floating-point registers. */
- if (ppc_floating_point_unit_p (current_gdbarch)
+ 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, (void *) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
- supply_fprs (fprs);
+ supply_fprs (regcache, fprs);
}
/* Special-purpose registers. */
- if (regno == -1 || special_register_p (regno))
+ 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,
- sprs64.pt_fpscr);
+ 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
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
- supply_sprs32 (sprs32.pt_iar, sprs32.pt_msr, sprs32.pt_cr,
+ 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 (tdep->ppc_mq_regnum >= 0)
- regcache_raw_supply (current_regcache, tdep->ppc_mq_regnum,
+ regcache_raw_supply (regcache, tdep->ppc_mq_regnum,
(char *) &sprs32.pt_mq);
}
}
thread/process specified by inferior_ptid. */
static void
-aix_thread_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_target.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_user_thread (thread->private->pdtid);
+ fetch_regs_user_thread (regcache, thread->private->pdtid);
else
- fetch_regs_kernel_thread (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 (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
- if (register_cached (tdep->ppc_gp0_regnum + regno))
- regcache_raw_collect (current_regcache, tdep->ppc_gp0_regnum + regno,
+ if (regcache_valid_p (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 (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
- if (register_cached (tdep->ppc_gp0_regnum + regno))
- regcache_raw_collect (current_regcache, tdep->ppc_gp0_regnum + regno,
+ if (regcache_valid_p (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_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
/* This function should never be called on architectures without
floating-point registers. */
- gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
for (regno = tdep->ppc_fp0_regnum;
regno < tdep->ppc_fp0_regnum + ppc_num_fprs;
regno++)
- if (register_cached (regno))
- regcache_raw_collect (current_regcache, regno, vals + regno);
+ if (regcache_valid_p (regcache, regno))
+ regcache_raw_collect (regcache, regno, vals + regno);
}
/* 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,
+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)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ 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 (current_gdbarch, PC_REGNUM));
-
- if (register_cached (PC_REGNUM))
- regcache_raw_collect (current_regcache, PC_REGNUM, iar);
- if (register_cached (tdep->ppc_ps_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_ps_regnum, msr);
- if (register_cached (tdep->ppc_cr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_cr_regnum, cr);
- if (register_cached (tdep->ppc_lr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_lr_regnum, lr);
- if (register_cached (tdep->ppc_ctr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_ctr_regnum, ctr);
- if (register_cached (tdep->ppc_xer_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_xer_regnum, xer);
+ gdb_assert (sizeof (*iar) == register_size
+ (gdbarch, gdbarch_pc_regnum (gdbarch)));
+
+ if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
+ regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
+ if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
+ if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
+ if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
+ if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
+ if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
if (tdep->ppc_fpscr_regnum >= 0
- && register_cached (tdep->ppc_fpscr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_fpscr_regnum, fpscr);
+ && regcache_valid_p (regcache, tdep->ppc_fpscr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_fpscr_regnum, fpscr);
}
static void
-fill_sprs32 (uint32_t *iar, uint32_t *msr, uint32_t *cr,
+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)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ 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 (current_gdbarch, PC_REGNUM));
-
- if (register_cached (PC_REGNUM))
- regcache_raw_collect (current_regcache, PC_REGNUM, iar);
- if (register_cached (tdep->ppc_ps_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_ps_regnum, msr);
- if (register_cached (tdep->ppc_cr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_cr_regnum, cr);
- if (register_cached (tdep->ppc_lr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_lr_regnum, lr);
- if (register_cached (tdep->ppc_ctr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_ctr_regnum, ctr);
- if (register_cached (tdep->ppc_xer_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_xer_regnum, xer);
+ gdb_assert (sizeof (*iar) == register_size (gdbarch,
+ gdbarch_pc_regnum (gdbarch)));
+
+ if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
+ regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
+ if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
+ if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
+ if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
+ if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
+ if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
if (tdep->ppc_fpscr_regnum >= 0
- && register_cached (tdep->ppc_fpscr_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_fpscr_regnum, fpscr);
+ && regcache_valid_p (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_user_thread (pthdb_pthread_t pdtid)
+store_regs_user_thread (const struct regcache *regcache, pthdb_pthread_t pdtid)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
uint32_t int32;
/* Collect general-purpose register values from the regcache. */
for (i = 0; i < ppc_num_gprs; i++)
- if (register_cached (tdep->ppc_gp0_regnum + i))
+ if (regcache_valid_p (regcache, tdep->ppc_gp0_regnum + i))
{
if (arch64)
{
- regcache_raw_collect (current_regcache, tdep->ppc_gp0_regnum + i,
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + i,
(void *) &int64);
ctx.gpr[i] = int64;
}
else
{
- regcache_raw_collect (current_regcache, tdep->ppc_gp0_regnum + i,
+ regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + i,
(void *) &int32);
ctx.gpr[i] = int32;
}
}
/* Collect floating-point register values from the regcache. */
- if (ppc_floating_point_unit_p (current_gdbarch))
- 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,
- &ctx.fpscr);
+ fill_sprs64 (regcache, &ctx.iar, &ctx.msr, &ctx.cr, &ctx.lr, &ctx.ctr,
+ &ctx.xer, &ctx.fpscr);
}
else
{
uint32_t tmp_iar, tmp_msr, tmp_cr, tmp_lr, tmp_ctr, tmp_xer,
tmp_fpscr;
- fill_sprs32 (&tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr, &tmp_ctr, &tmp_xer,
- &tmp_fpscr);
- if (register_cached (PC_REGNUM))
+ fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr, &tmp_ctr,
+ &tmp_xer, &tmp_fpscr);
+ if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
ctx.iar = tmp_iar;
- if (register_cached (tdep->ppc_ps_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
ctx.msr = tmp_msr;
- if (register_cached (tdep->ppc_cr_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
ctx.cr = tmp_cr;
- if (register_cached (tdep->ppc_lr_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
ctx.lr = tmp_lr;
- if (register_cached (tdep->ppc_ctr_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
ctx.ctr = tmp_ctr;
- if (register_cached (tdep->ppc_xer_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
ctx.xer = tmp_xer;
- if (register_cached (tdep->ppc_xer_regnum))
+ if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
ctx.fpscr = tmp_fpscr;
}
group. */
static void
-store_regs_kernel_thread (int regno, pthdb_tid_t tid)
+store_regs_kernel_thread (const struct regcache *regcache, int regno,
+ pthdb_tid_t tid)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ 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];
{
/* 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);
+ fill_gprs32 (regcache, gprs32);
ptrace32 (PTT_WRITE_GPRS, tid, gprs32, 0, NULL);
}
}
/* Floating-point registers. */
- if (ppc_floating_point_unit_p (current_gdbarch)
+ 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, (void *) fprs, 0, NULL);
+ fill_fprs (regcache, fprs);
+ ptrace32 (PTT_WRITE_FPRS, tid, (void *) fprs, 0, NULL);
}
/* Special-purpose registers. */
- if (regno == -1 || special_register_p (regno))
+ 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,
- &sprs64.pt_fpscr);
+ 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);
}
/* Pre-fetch: some registers won't be in the cache. */
ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL);
- fill_sprs32 (&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);
sprs32.pt_iar = tmp_iar;
sprs32.pt_msr = tmp_msr;
sprs32.pt_fpscr = tmp_fpscr;
if (tdep->ppc_mq_regnum >= 0)
- if (register_cached (tdep->ppc_mq_regnum))
- regcache_raw_collect (current_regcache, tdep->ppc_mq_regnum,
+ if (regcache_valid_p (regcache, tdep->ppc_mq_regnum))
+ regcache_raw_collect (regcache, tdep->ppc_mq_regnum,
&sprs32.pt_mq);
ptrace32 (PTT_WRITE_SPRS, tid, (int *) &sprs32, 0, NULL);
thread/process specified by inferior_ptid. */
static void
-aix_thread_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_target.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_user_thread (thread->private->pdtid);
+ store_regs_user_thread (regcache, thread->private->pdtid);
else
- store_regs_kernel_thread (regno, tid);
+ store_regs_kernel_thread (regcache, regno, tid);
}
}
{
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));
- xfer = base_target.to_xfer_partial (ops, object, annex,
- readbuf, writebuf, offset, len);
+ xfer = beneath->to_xfer_partial (beneath, object, annex,
+ readbuf, writebuf, offset, len);
do_cleanups (old_chain);
return xfer;
}
-/* Kill and forget about the inferior process. */
-
-static void
-aix_thread_kill (void)
-{
- struct cleanup *cleanup = save_inferior_ptid ();
-
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_target.to_kill ();
- do_cleanups (cleanup);
-}
-
/* Clean up after the inferior exits. */
static void
-aix_thread_mourn_inferior (void)
+aix_thread_mourn_inferior (struct target_ops *ops)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
pd_deactivate ();
- base_target.to_mourn_inferior ();
+ beneath->to_mourn_inferior (beneath);
}
/* Return whether thread PID is still valid. */
static int
-aix_thread_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_target.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 *
-aix_thread_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_target.to_pid_to_str (ptid);
+ return beneath->to_pid_to_str (beneath, ptid);
/* Free previous return value; a new one will be allocated by
xstrprintf(). */
pthdb_suspendstate_t suspendstate;
pthdb_detachstate_t detachstate;
int cancelpend;
- long length;
static char *ret = NULL;
if (!PD_TID (thread->ptid))
xfree (ret); /* Free old buffer. */
- ret = ui_file_xstrdup (buf, &length);
+ ret = ui_file_xstrdup (buf, NULL);
ui_file_delete (buf);
return ret;
}
+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_aix_thread_ops (void)
{
- 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;
+ 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. */
- aix_thread_ops.to_kill = aix_thread_kill;
- 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_stratum = thread_stratum;
- aix_thread_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
add_target (&aix_thread_ops);
/* Notice when object files get loaded and unloaded. */
- target_new_objfile_chain = deprecated_target_new_objfile_hook;
- deprecated_target_new_objfile_hook = new_objfile;
+ observer_attach_new_objfile (new_objfile);
add_setshow_boolean_cmd ("aix-thread", class_maintenance, &debug_aix_thread,
_("Set debugging of AIX thread module."),
projects / deliverable / binutils-gdb.git / blobdiff