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-rw-r--r--include/stub-tag.h7
-rw-r--r--include/stubs-biarch.h12
2 files changed, 15 insertions, 4 deletions
diff --git a/include/stub-tag.h b/include/stub-tag.h
index 3004d6f429..d4d10c8341 100644
--- a/include/stub-tag.h
+++ b/include/stub-tag.h
@@ -1,5 +1,4 @@
 /* This header is included into every file that declares a stub function.
- * The build process looks for this header in .d files to decide whether
- * or not it needs to scan the corresponding .c file for entries to add to
- * <gnu/stubs.h>.
- */
+   It is obsolete now, but hasn't died to avoid removing all those
+   #include's.  Every such file should use the `stub_warning' macro for
+   each of its functions, and that is sufficient.  */
diff --git a/include/stubs-biarch.h b/include/stubs-biarch.h
new file mode 100644
index 0000000000..fc086bd894
--- /dev/null
+++ b/include/stubs-biarch.h
@@ -0,0 +1,12 @@
+/* This file selects the right generated file of `__stub_FUNCTION' macros
+   based on the architecture being compiled for.  */
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+# include <gnu/stubs-32.h>
+#elif __WORDSIZE == 64
+# include <gnu/stubs-64.h>
+#else
+# error "unexpected value for __WORDSIZE macro"
+#endif