/* Target-dependent code for OpenBSD/arm.
- Copyright (C) 2006 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007 Free Software Foundation, Inc.
This file is part of GDB.
};
\f
+/* Override default thumb breakpoints. */
+static const char arm_obsd_thumb_le_breakpoint[] = {0xfe, 0xdf};
+static const char arm_obsd_thumb_be_breakpoint[] = {0xdf, 0xfe};
+
static void
armobsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
/* OpenBSD/arm uses -fpcc-struct-return by default. */
tdep->struct_return = pcc_struct_return;
+
+ /* Single stepping. */
+ set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
+
+ /* Breakpoints. */
+ switch (info.byte_order)
+ {
+ case BFD_ENDIAN_BIG:
+ tdep->thumb_breakpoint = arm_obsd_thumb_be_breakpoint;
+ tdep->thumb_breakpoint_size = sizeof (arm_obsd_thumb_be_breakpoint);
+ break;
+
+ case BFD_ENDIAN_LITTLE:
+ tdep->thumb_breakpoint = arm_obsd_thumb_le_breakpoint;
+ tdep->thumb_breakpoint_size = sizeof (arm_obsd_thumb_le_breakpoint);
+ break;
+ }
}
\f