vmlinux.lds.h: Create COMMON_DISCARDS

Collect the common DISCARD sections for architectures that need more
specialized discard control than what the standard DISCARDS section
provides.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: linux-arch@vger.kernel.org
Link: https://lore.kernel.org/r/20200821194310.3089815-2-keescook@chromium.org

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7616ff0..184b23d 100644 (file)
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -954,13 +954,16 @@
        EXIT_DATA
 #endif
 
+#define COMMON_DISCARDS                                                        \
+       *(.discard)                                                     \
+       *(.discard.*)                                                   \
+       *(.modinfo)
+
 #define DISCARDS                                                       \
        /DISCARD/ : {                                                   \
        EXIT_DISCARDS                                                   \
        EXIT_CALL                                                       \
-       *(.discard)                                                     \
-       *(.discard.*)                                                   \
-       *(.modinfo)                                                     \
+       COMMON_DISCARDS                                                 \
        }
 
 /**