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Diffstat (limited to 'gnu/usr.bin/binutils/gdb/ppcobsd-nat.c')
-rw-r--r--gnu/usr.bin/binutils/gdb/ppcobsd-nat.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c b/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c
new file mode 100644
index 00000000000..978a3cd9d69
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/ppcobsd-nat.c
@@ -0,0 +1,103 @@
+/* Functions specific to running gdb native on a Powerpc System.
+ Copyright (C) 1993, 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 <sys/types.h>
+#include <sys/ptrace.h>
+#include <sys/param.h>
+#include <sys/signal.h> /* for MAXSIG in sys/user.h */
+#include <sys/types.h> /* for ushort in sys/dir.h */
+#include <sys/dir.h> /* for struct direct in sys/user.h */
+#include <sys/user.h>
+#include <machine/reg.h>
+#include "defs.h"
+#include "inferior.h"
+#include "target.h"
+#include "gdbcore.h"
+
+#include <nlist.h>
+
+#if !defined (offsetof)
+#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
+#endif
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+
+/*
+ * this gets fp and gpr?
+ */
+
+ ptrace (PT_GETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+ memcpy (&registers, &inferior_registers,
+ sizeof(inferior_registers));
+
+
+ registers_fetched ();
+}
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+
+
+ memcpy (&inferior_registers, &registers,
+ sizeof(inferior_registers));
+ ptrace (PT_SETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+
+}
+/* Return the address in the core dump or inferior of register REGNO.
+ BLOCKEND is the address of the end of the user structure. */
+
+CORE_ADDR
+register_addr (regno, blockend)
+ int regno;
+ CORE_ADDR blockend;
+{
+ int ppcreg[] =
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* fp 0-15 */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* fp 16-31 */
+ 36, 37, 33, 32, 35, 34 , 0 };
+ /* "pc", "ps", "cnd", "lr", "cnt", "xer", "mq" */
+ /*
+ 32 lr
+ 33 cr
+ 34 xer
+ 35 ctr
+ 36 srr0
+ 37 srr1
+ */
+ if (regno < NUM_REGS) {
+ return (blockend + REGISTER_BYTE(regno));
+ } else
+ {
+ fprintf_unfiltered (gdb_stderr, "\
+Internal error: invalid register number %d in REGISTER_U_ADDR\n",
+ regno);
+ return blockend;
+ }
+}