Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 123 insertions, 0 deletions

diff --git a/gdb/a68v-nat.c b/gdb/a68v-nat.c
new file mode 100644
index 0000000..95bb3c8
--- /dev/null
+++ b/gdb/a68v-nat.c
@@ -0,0 +1,123 @@
+/* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991 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
+(at your option) any later version.
+
+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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "defs.h"
+#include "inferior.h"
+
+#ifndef _ISP__M68K
+#define _ISP__M68K 1
+#endif
+
+#include <ptrace.h>
+
+extern int errno;
+
+void
+fetch_inferior_registers (ignored)
+    int ignored;
+{
+  struct ptrace_$data_regs_m68k inferior_registers;
+  struct ptrace_$floating_regs_m68k inferior_fp_registers;
+  struct ptrace_$control_regs_m68k inferior_control_registers;
+  extern char registers[];
+
+  ptrace_$init_control(&inferior_control_registers);
+  inferior_fp_registers.size = sizeof(inferior_fp_registers);
+
+  registers_fetched ();
+  
+  ptrace (PTRACE_GETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_registers,
+	  ptrace_$data_set,
+	  (PTRACE_ARG3_TYPE) &inferior_registers,
+	  ptrace_$data_set);
+
+  ptrace (PTRACE_GETREGS, inferior_pid,
+	(PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	ptrace_$floating_set_m68k,
+	(PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	ptrace_$floating_set_m68k);
+
+  ptrace (PTRACE_GETREGS, inferior_pid,
+	(PTRACE_ARG3_TYPE) &inferior_control_registers,
+	ptrace_$control_set_m68k,
+	(PTRACE_ARG3_TYPE) &inferior_control_registers,
+	ptrace_$control_set_m68k);
+
+  bcopy (&inferior_registers, registers, 16 * 4);
+  bcopy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
+	 sizeof inferior_fp_registers.regs);
+  *(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;
+  *(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;
+}
+
+/* Store our register values back into the inferior.
+   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;
+{
+  struct ptrace_$data_regs_m68k inferior_registers;
+  struct ptrace_$floating_regs_m68k inferior_fp_registers;
+  struct ptrace_$control_regs_m68k inferior_control_registers;
+  extern char registers[];
+
+  ptrace_$init_control(&inferior_control_registers);
+  inferior_fp_registers.size = sizeof(inferior_fp_registers);
+
+  ptrace (PTRACE_GETREGS, inferior_pid,
+	(PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	ptrace_$floating_set_m68k,
+	(PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	ptrace_$floating_set_m68k);
+
+  ptrace (PTRACE_GETREGS, inferior_pid,
+	(PTRACE_ARG3_TYPE) &inferior_control_registers,
+	ptrace_$control_set_m68k,
+	(PTRACE_ARG3_TYPE) &inferior_control_registers,
+	ptrace_$control_set_m68k);
+
+  bcopy (registers, &inferior_registers, sizeof(inferior_registers));
+
+  bcopy (&registers[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,
+	 sizeof inferior_fp_registers.regs);
+
+  inferior_control_registers.sr = *(int *)&registers[REGISTER_BYTE (PS_REGNUM)];
+  inferior_control_registers.pc = *(int *)&registers[REGISTER_BYTE (PC_REGNUM)];
+
+  ptrace (PTRACE_SETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_registers,
+	  ptrace_$data_set_m68k,
+	  (PTRACE_ARG3_TYPE) &inferior_registers,
+	  ptrace_$data_set_m68k);
+
+  ptrace (PTRACE_SETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	  ptrace_$floating_set_m68k,
+	  (PTRACE_ARG3_TYPE) &inferior_fp_registers,
+	  ptrace_$floating_set_m68k);
+
+  ptrace (PTRACE_SETREGS, inferior_pid,
+	  (PTRACE_ARG3_TYPE) &inferior_control_registers,
+	  ptrace_$control_set_m68k,
+	  (PTRACE_ARG3_TYPE) &inferior_control_registers,
+	  ptrace_$control_set_m68k);
+}