/* GNU/Linux/PowerPC64 specific low level interface, for the remote server for
GDB.
- Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2005
+ Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2005, 2007, 2008
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
#include "linux-low.h"
return 0;
}
+/* Provide only a fill function for the general register set. ps_lgetregs
+ will use this for NPTL support. */
+
+static void ppc_fill_gregset (void *buf)
+{
+ int i;
+
+ for (i = 0; i < 32; i++)
+ collect_register (i, (char *) buf + ppc_regmap[i]);
+
+ for (i = 64; i < 70; i++)
+ collect_register (i, (char *) buf + ppc_regmap[i]);
+}
+
+#ifdef __ALTIVEC__
+
+#ifndef PTRACE_GETVRREGS
+#define PTRACE_GETVRREGS 18
+#define PTRACE_SETVRREGS 19
+#endif
+
+#define SIZEOF_VRREGS 33*16+4
+
+static void
+ppc_fill_vrregset (void *buf)
+{
+ int i, base;
+ char *regset = buf;
+
+ base = find_regno ("vr0");
+ for (i = 0; i < 32; i++)
+ collect_register (base + i, ®set[i * 16]);
+
+ collect_register_by_name ("vscr", ®set[32 * 16 + 12]);
+ collect_register_by_name ("vrsave", ®set[33 * 16]);
+}
+
+static void
+ppc_store_vrregset (const void *buf)
+{
+ int i, base;
+ const char *regset = buf;
+
+ base = find_regno ("vr0");
+ for (i = 0; i < 32; i++)
+ supply_register (base + i, ®set[i * 16]);
+
+ supply_register_by_name ("vscr", ®set[32 * 16 + 12]);
+ supply_register_by_name ("vrsave", ®set[33 * 16]);
+}
+
+#endif /* __ALTIVEC__ */
+
+struct regset_info target_regsets[] = {
+ /* List the extra register sets before GENERAL_REGS. That way we will
+ fetch them every time, but still fall back to PTRACE_PEEKUSER for the
+ general registers. Some kernels support these, but not the newer
+ PPC_PTRACE_GETREGS. */
+#ifdef __ALTIVEC__
+ { PTRACE_GETVRREGS, PTRACE_SETVRREGS, SIZEOF_VRREGS, EXTENDED_REGS,
+ ppc_fill_vrregset, ppc_store_vrregset },
+#endif
+ { 0, 0, 0, GENERAL_REGS, ppc_fill_gregset, NULL },
+ { 0, 0, -1, -1, NULL, NULL }
+};
+
struct linux_target_ops the_low_target = {
ppc_num_regs,
ppc_regmap,
NULL,
0,
ppc_breakpoint_at,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 1
};