* configure.host: Add x86_64-*-freebsd*.

* configure.tgt: Add x86_64-*-freebsd*.
* Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets.
* amd64fbsd-nat.c: New file.
* amd64fbsd-tdep.c: New file.
* config/i386/nm-fbsd64.h: New file.
* config/i386/fbsd64.mh: New file.
* config/i386/fbsd64.mt: New file.

1 files changed, 108 insertions, 0 deletions

diff --git a/gdb/amd64fbsd-tdep.c b/gdb/amd64fbsd-tdep.c
new file mode 100644
index 00000000000..e72c14039eb
--- /dev/null
+++ b/gdb/amd64fbsd-tdep.c
@@ -0,0 +1,108 @@
+/* Target-dependent code for FreeBSD/amd64.
+   Copyright 2003 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 "arch-utils.h"
+#include "frame.h"
+#include "gdbcore.h"
+#include "regcache.h"
+#include "osabi.h"
+
+#include "gdb_string.h"
+
+#include "x86-64-tdep.h"
+
+/* Support for signal handlers.  */
+
+/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
+   routine, return the address of the associated sigcontext structure.  */
+
+static CORE_ADDR
+amd64fbsd_sigcontext_addr (struct frame_info *next_frame)
+{
+  char buf[8];
+  CORE_ADDR sp;
+
+  frame_unwind_register (next_frame, X86_64_RSP_REGNUM, buf);
+  sp = extract_unsigned_integer (buf, 8);
+
+  return read_memory_unsigned_integer (sp + 16, 8);
+}
+
+/* FreeBSD 5.1-RELEASE or later.  */
+
+/* Location of the signal trampoline.  */
+CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffc0;
+CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffe0;
+
+/* From <machine/signal.h>.  */
+int amd64fbsd_sc_reg_offset[X86_64_NUM_GREGS] =
+{
+  24 + 14 * 8,			/* %rax */
+  24 + 11 * 8,			/* %rbx */
+  24 + 13 * 8,			/* %rcx */
+  24 + 12 * 8,			/* %rdx */
+  24 + 9 * 8,			/* %rsi */
+  24 + 8 * 8,			/* %rdi */
+  24 + 10 * 8,			/* %rbp */
+  24 + 20 * 8,			/* %rsp */
+  24 + 7 * 8,			/* %r8 */
+  24 + 6 * 8,			/* %r9 */
+  24 + 5 * 8,			/* %r10 */
+  24 + 4 * 8,			/* %r11 */
+  24 + 3 * 8,			/* %r12 */
+  24 + 2 * 8,			/* %r13 */
+  24 + 1 * 8,			/* %r14 */
+  24 + 0 * 8,			/* %r15 */
+  24 + 17 * 8,			/* %rip */
+  24 + 19 * 8,			/* %eflags */
+  -1,				/* %ds */
+  -1,				/* %es */
+  -1,				/* %fs */
+  -1				/* %gs */
+};
+
+void
+amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  /* Obviously FreeBSD is BSD-based.  */
+  i386bsd_init_abi (info, gdbarch);
+
+  x86_64_init_abi (info, gdbarch);
+
+  tdep->sigtramp_start = amd64fbsd_sigtramp_start;
+  tdep->sigtramp_end = amd64fbsd_sigtramp_start;
+  tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
+  tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
+  tdep->sc_num_regs = X86_64_NUM_GREGS;
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+void _initialize_amd64fbsd_tdep (void);
+
+void
+_initialize_amd64fbsd_tdep (void)
+{
+  gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
+			  GDB_OSABI_FREEBSD_ELF, amd64fbsd_init_abi);
+}