2004-10-07 Kei Sakamoto <sakamoto.kei@renesas.com>

[deliverable/binutils-gdb.git] / gdb / armnbsd-tdep.c

diff --git a/gdb/armnbsd-tdep.c b/gdb/armnbsd-tdep.c
index 0e7ab5443653f5946cd251ece8622b8568b1ea03..0d7c0b56dca577753db108b6d603b527beab3685 100644 (file)
--- a/gdb/armnbsd-tdep.c
+++ b/gdb/armnbsd-tdep.c
@@ -1,5 +1,6 @@
 /* Target-specific functions for ARM running under NetBSD.
-   Copyright 2002 Free Software Foundation, Inc.
+
+   Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -19,6 +20,9 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
+#include "osabi.h"
+
+#include "gdb_string.h"
 
 #include "arm-tdep.h"
 #include "nbsd-tdep.h"
@@ -26,11 +30,14 @@
 
 /* Description of the longjmp buffer.  */
 #define ARM_NBSD_JB_PC 24
-#define ARM_NBSD_JB_ELEMENT_SIZE INT_REGISTER_RAW_SIZE
+#define ARM_NBSD_JB_ELEMENT_SIZE INT_REGISTER_SIZE
 
 /* 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 const char arm_nbsd_arm_be_breakpoint[] = {0xe6, 0x00, 0x00, 0x11};
+static const char arm_nbsd_thumb_le_breakpoint[] = {0xfe, 0xde};
+static const char arm_nbsd_thumb_be_breakpoint[] = {0xde, 0xfe};
 
 static int
 arm_netbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
@@ -48,8 +55,26 @@ arm_netbsd_init_abi_common (struct gdbarch_info info,
   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);
+  switch (info.byte_order)
+    {
+    case BFD_ENDIAN_LITTLE:
+      tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint;
+      tdep->thumb_breakpoint = arm_nbsd_thumb_le_breakpoint;
+      tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint);
+      tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_le_breakpoint);
+      break;
+
+    case BFD_ENDIAN_BIG:
+      tdep->arm_breakpoint = arm_nbsd_arm_be_breakpoint;
+      tdep->thumb_breakpoint = arm_nbsd_thumb_be_breakpoint;
+      tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_be_breakpoint);
+      tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_be_breakpoint);
+      break;
+
+    default:
+      internal_error (__FILE__, __LINE__,
+                     "arm_gdbarch_init: bad byte order for float format");
+    }
 
   tdep->jb_pc = ARM_NBSD_JB_PC;
   tdep->jb_elt_size = ARM_NBSD_JB_ELEMENT_SIZE;
@@ -65,7 +90,7 @@ arm_netbsd_aout_init_abi (struct gdbarch_info info,
 
   set_gdbarch_in_solib_call_trampoline
     (gdbarch, arm_netbsd_aout_in_solib_call_trampoline);
-  tdep->fp_model = ARM_FLOAT_SOFT;
+  tdep->fp_model = ARM_FLOAT_SOFT_FPA;
 }
 
 static void
@@ -97,8 +122,8 @@ _initialize_arm_netbsd_tdep (void)
   gdbarch_register_osabi_sniffer (bfd_arch_arm, bfd_target_aout_flavour,
                                  arm_netbsd_aout_osabi_sniffer);
 
-  gdbarch_register_osabi (bfd_arch_arm, GDB_OSABI_NETBSD_AOUT,
+  gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_NETBSD_AOUT,
                           arm_netbsd_aout_init_abi);
-  gdbarch_register_osabi (bfd_arch_arm, GDB_OSABI_NETBSD_ELF,
+  gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_NETBSD_ELF,
                           arm_netbsd_elf_init_abi);
 }