/* For BFD64 and bfd_vma. */
#include "bfd.h"
+
+/* The target is partially multi-arched. Both "tm.h" and the
+ multi-arch vector provide definitions. "tm.h" normally overrides
+ the multi-arch vector (but there are a few exceptions). */
+
+#define GDB_MULTI_ARCH_PARTIAL 1
+
+/* The target is multi-arched. The MULTI-ARCH vector provides all
+ definitions. "tm.h" is included and may provide definitions of
+ non- multi-arch macros.. */
+
+#define GDB_MULTI_ARCH_TM 2
+
+/* The target is pure multi-arch. The MULTI-ARCH vector provides all
+ definitions. "tm.h" is linked to an empty file. */
+
+#define GDB_MULTI_ARCH_PURE 3
+
+
+
/* An address in the program being debugged. Host byte order. Rather
than duplicate all the logic in BFD which figures out what type
this is (long, long long, etc.) and whether it needs to be 64
};
\f
-/* Host machine definition. This will be a symlink to one of the
- xm-*.h files, built by the `configure' script. */
+/* Optional host machine definition. Pure autoconf targets will not
+ need a "xm.h" file. This will be a symlink to one of the xm-*.h
+ files, built by the `configure' script. */
+#ifdef GDB_XM_FILE
#include "xm.h"
+#endif
-/* Native machine support. This will be a symlink to one of the
- nm-*.h files, built by the `configure' script. */
+/* Optional native machine support. Non-native (and possibly pure
+ multi-arch) targets do not need a "nm.h" file. This will be a
+ symlink to one of the nm-*.h files, built by the `configure'
+ script. */
+#ifdef GDB_NM_FILE
#include "nm.h"
+#endif
-/* Target machine definition. This will be a symlink to one of the
+/* Optional target machine definition. Pure multi-arch configurations
+ do not need a "tm.h" file. This will be a symlink to one of the
tm-*.h files, built by the `configure' script. */
+#ifdef GDB_TM_FILE
#include "tm.h"
+#endif
+
+/* GDB_MULTI_ARCH is normally set by configure.in using information
+ from configure.tgt or the config/%/%.mt Makefile fragment. Since
+ some targets have defined it in their "tm.h" file, delay providing
+ a default definition until after "tm.h" has been included.. */
+
+#ifndef GDB_MULTI_ARCH
+#define GDB_MULTI_ARCH 0
+#endif
+
/* If the xm.h file did not define the mode string used to open the
files, assume that binary files are opened the same way as text