Improve release doc slightly.

[deliverable/binutils-gdb.git] / gdb / sun3-xdep.c

diff --git a/gdb/sun3-xdep.c b/gdb/sun3-xdep.c
index 6789cd66019b1ac5cde4f0b615b9f327d1691e66..03cc3ae4913893f1766a0bcdfa69c8a0a94fe232 100644 (file)
--- a/gdb/sun3-xdep.c
+++ b/gdb/sun3-xdep.c
@@ -1,38 +1,37 @@
-/* Sun-3 Machine-dependent code which would otherwise be in inflow.c and core.c,
-   for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
+/* Host-dependent code for Sun-3 for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
-GDB is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
 
-GDB is distributed in the hope that it will be useful,
+This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GDB; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-#include <stdio.h>
 #include "defs.h"
-#include "param.h"
 #include "inferior.h"
+#include "gdbcore.h"
 
 #include <sys/ptrace.h>
 #define KERNEL         /* To get floating point reg definitions */
 #include <machine/reg.h>
 
-#include "gdbcore.h"
-
 extern int errno;
 
+#if defined (GDB_TARGET_IS_SUN3)
+/* All of this stuff is only relevant if both host and target are sun3.  */
 void
-fetch_inferior_registers ()
+fetch_inferior_registers (regno)
+     int regno;
 {
   struct regs inferior_registers;
 #ifdef FP0_REGNUM
@@ -42,9 +41,11 @@ fetch_inferior_registers ()
 
   registers_fetched ();
   
-  ptrace (PTRACE_GETREGS, inferior_pid, &inferior_registers);
+  ptrace (PTRACE_GETREGS, inferior_pid,
+         (PTRACE_ARG3_TYPE) &inferior_registers);
 #ifdef FP0_REGNUM
-  ptrace (PTRACE_GETFPREGS, inferior_pid, &inferior_fp_registers);
+  ptrace (PTRACE_GETFPREGS, inferior_pid,
+         (PTRACE_ARG3_TYPE) &inferior_fp_registers);
 #endif 
   
   bcopy (&inferior_registers, registers, 16 * 4);
@@ -65,6 +66,7 @@ fetch_inferior_registers ()
    If REGNO is -1, do this for all registers.
    Otherwise, REGNO specifies which register (so we can save time).  */
 
+void
 store_inferior_registers (regno)
      int regno;
 {
@@ -88,19 +90,22 @@ store_inferior_registers (regno)
         sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
 #endif
 
-  ptrace (PTRACE_SETREGS, inferior_pid, &inferior_registers);
+  ptrace (PTRACE_SETREGS, inferior_pid,
+         (PTRACE_ARG3_TYPE) &inferior_registers);
 #if FP0_REGNUM
-  ptrace (PTRACE_SETFPREGS, inferior_pid, &inferior_fp_registers);
+  ptrace (PTRACE_SETFPREGS, inferior_pid,
+         (PTRACE_ARG3_TYPE) &inferior_fp_registers);
 #endif
 }
 
 /* Machine-dependent code for pulling registers out of a Sun-3 core file. */
 
 void
-fetch_core_registers (core_reg_sect, core_reg_size, which)
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
      char *core_reg_sect;
      unsigned core_reg_size;
      int which;
+     unsigned int reg_addr;    /* Unused in this version */
 {
   extern char registers[];
   struct regs *regs = (struct regs *) core_reg_sect;
@@ -110,8 +115,8 @@ fetch_core_registers (core_reg_sect, core_reg_size, which)
       error ("Can't find registers in core file");
 
     bcopy ((char *)regs, registers, 16 * 4);
-    supply_register (PS_REGNUM, &regs->r_ps);
-    supply_register (PC_REGNUM, &regs->r_pc);
+    supply_register (PS_REGNUM, (char *)&regs->r_ps);
+    supply_register (PC_REGNUM, (char *)&regs->r_pc);
 
   } else if (which == 2) {
 
@@ -119,6 +124,7 @@ fetch_core_registers (core_reg_sect, core_reg_size, which)
 
     if (core_reg_size >= sizeof (struct fpu))
       {
+#ifdef FP0_REGNUM
        bcopy (fpustruct->f_fpstatus.fps_regs,
              &registers[REGISTER_BYTE (FP0_REGNUM)],
              sizeof fpustruct->f_fpstatus.fps_regs);
@@ -126,8 +132,36 @@ fetch_core_registers (core_reg_sect, core_reg_size, which)
              &registers[REGISTER_BYTE (FPC_REGNUM)],
              sizeof fpustruct->f_fpstatus - 
                sizeof fpustruct->f_fpstatus.fps_regs);
+#endif
       }
     else
       fprintf (stderr, "Couldn't read float regs from core file\n");
   }
 }
+#else /* Not sun3 target.  */
+/* These functions shouldn't be called when we're cross-debugging.  */
+
+/* ARGSUSED */
+void
+fetch_inferior_registers (regno)
+     int regno;
+{
+}
+
+/* ARGSUSED */
+void
+store_inferior_registers (regno)
+     int regno;
+{
+}
+
+/* ARGSUSED */
+void
+fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
+     char *core_reg_sect;
+     unsigned core_reg_size;
+     int which;
+     unsigned int reg_addr;    /* Unused in this version */
+{
+}
+#endif /* Not sun3 target.  */