/* Native-dependent code for modern i386 BSD's.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2015 Free Software Foundation, Inc.
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/>. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
-#include "gdb_assert.h"
#include <signal.h>
-#include <stddef.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
so that we try PT_GETXMMREGS the first time around. */
static int have_ptrace_xmmregs = -1;
#endif
+
+#ifdef PT_GETXSTATE_INFO
+size_t i386bsd_xsave_len;
+#endif
\f
/* Supply the general-purpose registers in GREGS, to REGCACHE. */
for all registers (including the floating point registers). */
static void
-i386bsd_fetch_inferior_registers (int regnum)
+i386bsd_fetch_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
if (regnum == -1 || GETREGS_SUPPLIES (regnum))
{
struct reg regs;
- if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- i386bsd_supply_gregset (current_regcache, ®s);
+ i386bsd_supply_gregset (regcache, ®s);
if (regnum != -1)
return;
}
struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512];
+#endif
+
+#ifdef PT_GETXSTATE_INFO
+ if (i386bsd_xsave_len != 0)
+ {
+ char *xstateregs;
+
+ xstateregs = alloca (i386bsd_xsave_len);
+ if (ptrace (PT_GETXSTATE, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) xstateregs, 0) == -1)
+ perror_with_name (_("Couldn't get extended state status"));
+ i387_supply_xsave (regcache, -1, xstateregs);
+ return;
+ }
+#endif
+
+#ifdef HAVE_PT_GETXMMREGS
if (have_ptrace_xmmregs != 0
- && ptrace(PT_GETXMMREGS, PIDGET (inferior_ptid),
+ && ptrace(PT_GETXMMREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) xmmregs, 0) == 0)
{
have_ptrace_xmmregs = 1;
- i387_supply_fxsave (current_regcache, -1, xmmregs);
+ i387_supply_fxsave (regcache, -1, xmmregs);
}
else
{
- if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+ have_ptrace_xmmregs = 0;
+#endif
+ if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
- i387_supply_fsave (current_regcache, -1, &fpregs);
+ i387_supply_fsave (regcache, -1, &fpregs);
+#ifdef HAVE_PT_GETXMMREGS
}
-#else
- if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
- (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
- perror_with_name (_("Couldn't get floating point status"));
-
- i387_supply_fsave (current_regcache, -1, &fpregs);
#endif
}
}
this for all registers (including the floating point registers). */
static void
-i386bsd_store_inferior_registers (int regnum)
+i386bsd_store_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
if (regnum == -1 || GETREGS_SUPPLIES (regnum))
{
struct reg regs;
- if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- i386bsd_collect_gregset (current_regcache, ®s, regnum);
+ i386bsd_collect_gregset (regcache, ®s, regnum);
- if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
char xmmregs[512];
+#endif
+
+#ifdef PT_GETXSTATE_INFO
+ if (i386bsd_xsave_len != 0)
+ {
+ char *xstateregs;
+
+ xstateregs = alloca (i386bsd_xsave_len);
+ if (ptrace (PT_GETXSTATE, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) xstateregs, 0) == -1)
+ perror_with_name (_("Couldn't get extended state status"));
+
+ i387_collect_xsave (regcache, -1, xstateregs, 0);
+
+ if (ptrace (PT_SETXSTATE, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) xstateregs, i386bsd_xsave_len) == -1)
+ perror_with_name (_("Couldn't write extended state status"));
+ return;
+ }
+#endif
+#ifdef HAVE_PT_GETXMMREGS
if (have_ptrace_xmmregs != 0
- && ptrace(PT_GETXMMREGS, PIDGET (inferior_ptid),
+ && ptrace(PT_GETXMMREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) xmmregs, 0) == 0)
{
have_ptrace_xmmregs = 1;
- i387_collect_fxsave (current_regcache, regnum, xmmregs);
+ i387_collect_fxsave (regcache, regnum, xmmregs);
- if (ptrace (PT_SETXMMREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_SETXMMREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) xmmregs, 0) == -1)
perror_with_name (_("Couldn't write XMM registers"));
}
{
have_ptrace_xmmregs = 0;
#endif
- if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
- i387_collect_fsave (current_regcache, regnum, &fpregs);
+ i387_collect_fsave (regcache, regnum, &fpregs);
- if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_SETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
#ifdef HAVE_PT_GETXMMREGS
#define DBREG_DRX(d, x) ((&d->dr0)[x])
#endif
+static unsigned long
+i386bsd_dr_get (ptid_t ptid, int regnum)
+{
+ struct dbreg dbregs;
+
+ if (ptrace (PT_GETDBREGS, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ perror_with_name (_("Couldn't read debug registers"));
+
+ return DBREG_DRX ((&dbregs), regnum);
+}
+
static void
i386bsd_dr_set (int regnum, unsigned int value)
{
struct dbreg dbregs;
- if (ptrace (PT_GETDBREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETDBREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
perror_with_name (_("Couldn't get debug registers"));
DBREG_DRX ((&dbregs), regnum) = value;
- if (ptrace (PT_SETDBREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_SETDBREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
perror_with_name (_("Couldn't write debug registers"));
}
i386bsd_dr_set (regnum, addr);
}
-void
-i386bsd_dr_reset_addr (int regnum)
+CORE_ADDR
+i386bsd_dr_get_addr (int regnum)
{
- gdb_assert (regnum >= 0 && regnum <= 4);
-
- i386bsd_dr_set (regnum, 0);
+ return i386bsd_dr_get (inferior_ptid, regnum);
}
unsigned long
i386bsd_dr_get_status (void)
{
- struct dbreg dbregs;
-
- /* FIXME: kettenis/2001-03-31: Calling perror_with_name if the
- ptrace call fails breaks debugging remote targets. The correct
- way to fix this is to add the hardware breakpoint and watchpoint
- stuff to the target vector. For now, just return zero if the
- ptrace call fails. */
- if (ptrace (PT_GETDBREGS, PIDGET (inferior_ptid),
- (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
-#if 0
- perror_with_name (_("Couldn't read debug registers"));
-#else
- return 0;
-#endif
+ return i386bsd_dr_get (inferior_ptid, 6);
+}
- return DBREG_DRX ((&dbregs), 6);
+unsigned long
+i386bsd_dr_get_control (void)
+{
+ return i386bsd_dr_get (inferior_ptid, 7);
}
#endif /* PT_GETDBREGS */
\f
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_i386bsd_nat (void);
+
void
_initialize_i386bsd_nat (void)
{
projects / deliverable / binutils-gdb.git / blobdiff