/* 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 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 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;
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. */
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);
}
}
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 regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
if (!PD_TID (inferior_ptid))
- base_target.to_fetch_registers (regno);
+ base_target.to_fetch_registers (regcache, regno);
else
{
thread = find_thread_pid (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 regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
if (!PD_TID (inferior_ptid))
- base_target.to_store_registers (regno);
+ base_target.to_store_registers (regcache, regno);
else
{
thread = find_thread_pid (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);
}
}
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