1 files changed, 88 insertions, 0 deletions
diff --git a/gdb/config/m68k/nm-hp300bsd.h b/gdb/config/m68k/nm-hp300bsd.h
new file mode 100644
index 00000000000..7aacbb18b35
--- /dev/null
+++ b/gdb/config/m68k/nm-hp300bsd.h
@@ -0,0 +1,88 @@
+/* Parameters for Hewlett-Packard 9000/300 native support under bsd.
+   Copyright 1986, 1987, 1989, 1991, 1992, 1993  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.  */
+
+/* Detect whether this is 4.3 or 4.4.  */
+
+#include <errno.h>
+#include <sys/param.h>
+#ifdef	BSD4_4
+
+/* BSD 4.4 alpha or better */
+
+/* We can attach to processes using ptrace.  */
+
+#define	ATTACH_DETACH
+#define	PTRACE_ATTACH	10
+#define	PTRACE_DETACH	11
+
+/* The third argument of ptrace is declared as this type.  */
+
+#define	PTRACE_ARG3_TYPE	caddr_t
+
+/* U_REGS_OFFSET is the offset of the registers within the u area for
+   ptrace purposes.  */
+#define U_REGS_OFFSET \
+  ptrace (PT_READ_U, inferior_pid, \
+	  (PTRACE_ARG3_TYPE) \
+	   (offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \
+    - USRSTACK
+
+/* No user structure in 4.4, registers are relative to kernel stack
+   which is fixed.  */
+#define KERNEL_U_ADDR	0xFFF00000
+
+/* FIXME: Is ONE_PROCESS_WRITETEXT still true now that the kernel has
+   copy-on-write?  It not, move it to the 4.3-specific section below
+   (now it is in xm-hp300bsd.h).  */
+
+#else
+
+/* This is BSD 4.3 or something like it.  */
+
+/* Get kernel u area address at run-time using BSD style nlist ().  */
+#define KERNEL_U_ADDR_BSD
+
+#endif
+
+/* This was once broken for 4.4, but probably because we had the wrong
+   KERNEL_U_ADDR.  */
+
+/* This is a piece of magic that is given a register number REGNO
+   and as BLOCKEND the address in the system of the end of the user structure
+   and stores in ADDR the address in the kernel or core dump
+   of that register.  */
+
+#define REGISTER_U_ADDR(addr, blockend, regno)				\
+{									\
+  if (regno < PS_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_regs[regno];		\
+  else if (regno == PS_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_stackadj;		\
+  else if (regno == PC_REGNUM)						\
+    addr = (int) &((struct frame *)(blockend))->f_pc;			\
+  else if (regno < FPC_REGNUM)						\
+    addr = (int)							\
+      &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
+  else if (regno == FPC_REGNUM)						\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr;	\
+  else if (regno == FPS_REGNUM)						\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr;	\
+  else									\
+    addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar;	\
+}