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 int free PARAMS (());
+
+/* SunOS 4.x uses nonstandard "char *" as type of third argument to ptrace() */
+
+#define PTRACE_ARG3_TYPE char*