1 files changed, 53 insertions, 0 deletions
diff --git a/gdb/config/sparc/xm-sun4os4.h b/gdb/config/sparc/xm-sun4os4.h
new file mode 100644
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+++ b/gdb/config/sparc/xm-sun4os4.h
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+/* Macro definitions for running gdb on a Sun 4 running sunos 4.
+   Copyright (C) 1989, 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "sparc/xm-sparc.h"
+#define FPU
+
+/* Large alloca's fail because the attempt to increase the stack limit in
+   main() fails because shared libraries are allocated just below the initial
+   stack limit.  The SunOS kernel will not allow the stack to grow into
+   the area occupied by the shared libraries.  Sun knows about this bug
+   but has no obvious fix for it.  */
+#define BROKEN_LARGE_ALLOCA
+
+/* SunOS 4.x has memory mapped files.  */
+
+#define HAVE_MMAP
+
+/* If you expect to use the mmalloc package to obtain mapped symbol files,
+   for now you have to specify some parameters that determine how gdb places
+   the mappings in it's address space.  See the comments in map_to_address()
+   for details.  This is expected to only be a short term solution.  Yes it
+   is a kludge.
+   FIXME:  Make this more automatic. */
+
+#define MMAP_BASE_ADDRESS	0xE0000000	/* First mapping here */
+#define MMAP_INCREMENT		0x01000000	/* Increment to next mapping */
+
+/* /usr/include/malloc.h defines these w/o prototypes (and uses
+   char * instead of void *).  */
+#define MALLOC_INCOMPATIBLE
+extern char* malloc PARAMS (());
+extern char* realloc PARAMS (());
+extern void free PARAMS (());
+
+/* SunOS 4.x uses nonstandard "char *" as type of third argument to ptrace() */
+
+#define PTRACE_ARG3_TYPE char*