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authorKimplul <kimi.h.kuparinen@gmail.com>2024-07-05 00:02:53 +0300
committerKimplul <kimi.h.kuparinen@gmail.com>2024-07-05 00:03:59 +0300
commit98f21e694a6b0964d6d08196cb6bfbc1c2ae2ff4 (patch)
treecbdba41381dc6e7a571001928eeb84996020db13 /include
parenta6557ed0233e2193cef0ab5b4cea7f1d7f19ad5d (diff)
downloadkmi-98f21e694a6b0964d6d08196cb6bfbc1c2ae2ff4.tar.gz
kmi-98f21e694a6b0964d6d08196cb6bfbc1c2ae2ff4.zip
fix some small build issues
+ Compiling for size emits memcpy() calls after they've already been removed by LTO, so add __used attribute to counteract this. Newer versions of GCC seem to prefer `-flto=auto` to just `-flto`, so use that. printf format %d -> %ld
Diffstat (limited to 'include')
-rw-r--r--include/kmi/attrs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/kmi/attrs.h b/include/kmi/attrs.h
index 5c15201..f789310 100644
--- a/include/kmi/attrs.h
+++ b/include/kmi/attrs.h
@@ -59,6 +59,10 @@
/** Weak linkage. */
#define __weak __attribute__((weak))
+/** Tell optimizer something is used, even though it might not seem like it.
+ * Special functions like memcpy() may need it. */
+#define __used __attribute__((used))
+
/** Main entry point of kernel proper. */
#define __main __section(".kernel.start") __noinline