/* Native-dependent code for AMD64 BSD's.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003-2014 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 "amd64-tdep.h"
#include "amd64-nat.h"
+#include "amd64bsd-nat.h"
#include "inf-ptrace.h"
\f
for all registers (including the floating-point registers). */
static void
-amd64bsd_fetch_inferior_registers (int regnum)
+amd64bsd_fetch_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
- if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
+ if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, 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"));
- amd64_supply_native_gregset (current_regcache, ®s, -1);
+ amd64_supply_native_gregset (regcache, ®s, -1);
if (regnum != -1)
return;
}
- if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum))
+ if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct fpreg fpregs;
- 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"));
- amd64_supply_fxsave (current_regcache, -1, &fpregs);
+ amd64_supply_fxsave (regcache, -1, &fpregs);
}
}
this for all registers (including the floating-point registers). */
static void
-amd64bsd_store_inferior_registers (int regnum)
+amd64bsd_store_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
- if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+
+ if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, 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"));
- amd64_collect_native_gregset (current_regcache, ®s, regnum);
+ amd64_collect_native_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"));
return;
}
- if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum))
+ if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
{
struct fpreg fpregs;
- 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"));
- amd64_collect_fxsave (current_regcache, regnum, &fpregs);
+ amd64_collect_fxsave (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"));
}
t->to_store_registers = amd64bsd_store_inferior_registers;
return t;
}
+\f
+
+/* Support for debug registers. */
+
+#ifdef HAVE_PT_GETDBREGS
+
+static unsigned long
+amd64bsd_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
+amd64bsd_dr_set (int regnum, unsigned long value)
+{
+ struct dbreg dbregs;
+
+ if (ptrace (PT_GETDBREGS, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ perror_with_name (_("Couldn't get debug registers"));
+
+ /* For some mysterious reason, some of the reserved bits in the
+ debug control register get set. Mask these off, otherwise the
+ ptrace call below will fail. */
+ DBREG_DRX ((&dbregs), 7) &= ~(0xffffffff0000fc00);
+
+ DBREG_DRX ((&dbregs), regnum) = value;
+
+ if (ptrace (PT_SETDBREGS, ptid_get_pid (inferior_ptid),
+ (PTRACE_TYPE_ARG3) &dbregs, 0) == -1)
+ perror_with_name (_("Couldn't write debug registers"));
+}
+
+void
+amd64bsd_dr_set_control (unsigned long control)
+{
+ amd64bsd_dr_set (7, control);
+}
+
+void
+amd64bsd_dr_set_addr (int regnum, CORE_ADDR addr)
+{
+ gdb_assert (regnum >= 0 && regnum <= 4);
+
+ amd64bsd_dr_set (regnum, addr);
+}
+
+CORE_ADDR
+amd64bsd_dr_get_addr (int regnum)
+{
+ return amd64bsd_dr_get (inferior_ptid, regnum);
+}
+
+unsigned long
+amd64bsd_dr_get_status (void)
+{
+ return amd64bsd_dr_get (inferior_ptid, 6);
+}
+
+unsigned long
+amd64bsd_dr_get_control (void)
+{
+ return amd64bsd_dr_get (inferior_ptid, 7);
+}
+
+#endif /* PT_GETDBREGS */