* arm-tdep.h (struct gdbarch_tdep): Add fields for breakpoint

descriptions.
* arm-tdep.c (arm_default_arm_le_breakpoint)
(arm_default_arm_be_breakpoint, arm_default_thumb_le_breakpoint)
(arm_default_thumb_be_breakpoint): New.  Initialize them from
traditional breakpoint defines.
(arm_breakpoint_from_pc): Use new gdbarch_tdep entries.
(arm_gdbarch_init): Initialize new breakpoint variables.
* arm-linux-tdep.c (arm_linux_arm_le_breakpoint): New.
(arm_linux_init_abi): Initialize linux-specific breakpoint.
* armnbsd-tdep.c (arm_nbsd_arm_le_breakpoint): New.
(arm_netbsd_aout_init_abi, arm_netbsd_elf_init_abi): Split common
code out to ...
(arm_netbsd_init_abi_common): ... here; new function.
* config/arm/tm-arm.h (ARM_LE_BREAKPOINT, ARM_BE_BREAKPOINT)
(THUMB_LE_BREAKPOINT, THUMB_BE_BREAKPOINT): Delete.
* config/arm/tm-linux.h (ARM_LE_BREAKPOINT): Delete.
* config/arm/tm-nbsd.h (ARM_LE_BREAKPOINT): Delete.

1 files changed, 59 insertions, 0 deletions

diff --git a/gdb/armnbsd-tdep.c b/gdb/armnbsd-tdep.c
new file mode 100644
index 00000000000..25c2f164247
--- /dev/null
+++ b/gdb/armnbsd-tdep.c
@@ -0,0 +1,59 @@
+/* Target-specific functions for ARM running under NetBSD.
+   Copyright 2002 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 "arm-tdep.h"
+
+/* For compatibility with previous implemenations of GDB on arm/NetBSD,
+   override the default little-endian breakpoint.  */
+static const char arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6};
+
+static void
+arm_netbsd_init_abi_common (struct gdbarch_info info,
+			    struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  tdep->lowest_pc = 0x8000;
+  tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint;
+  tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint);
+}
+  
+static void
+arm_netbsd_aout_init_abi (struct gdbarch_info info, 
+			  struct gdbarch *gdbarch)
+{
+  arm_netbsd_init_abi_common (info, gdbarch);
+}
+
+static void
+arm_netbsd_elf_init_abi (struct gdbarch_info info, 
+			 struct gdbarch *gdbarch)
+{
+  arm_netbsd_init_abi_common (info, gdbarch);
+}
+
+void
+_initialize_arm_netbsd_tdep (void)
+{
+  arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_AOUT, arm_netbsd_aout_init_abi);
+  arm_gdbarch_register_os_abi (ARM_ABI_NETBSD_ELF, arm_netbsd_elf_init_abi);
+}