/* Native-dependent code for modern i386 BSD's.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2000-2013 Free Software Foundation, Inc.
This file is part of GDB.
#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, PIDGET (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)
{
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)
{