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authorPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
committerPaolo Abeni <pabeni@redhat.com>2024-09-27 08:13:52 +0200
commit3a39d672e7f48b8d6b91a09afa4b55352773b4b5 (patch)
treef7ec4043b508f48430dd09ac338c38acf7d5a6cd /tools/include/nolibc/compiler.h
parent151ac45348afc5b56baa584c7cd4876addf461ff (diff)
parent62a0e2fa40c5c06742b8b4997ba5095a3ec28503 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts and no adjacent changes. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'tools/include/nolibc/compiler.h')
-rw-r--r--tools/include/nolibc/compiler.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h
index beddc3665d69..9bc6a706a332 100644
--- a/tools/include/nolibc/compiler.h
+++ b/tools/include/nolibc/compiler.h
@@ -6,20 +6,30 @@
#ifndef _NOLIBC_COMPILER_H
#define _NOLIBC_COMPILER_H
+#if defined(__has_attribute)
+# define __nolibc_has_attribute(attr) __has_attribute(attr)
+#else
+# define __nolibc_has_attribute(attr) 0
+#endif
+
+#if __nolibc_has_attribute(naked)
+# define __nolibc_entrypoint __attribute__((naked))
+# define __nolibc_entrypoint_epilogue()
+#else
+# define __nolibc_entrypoint __attribute__((optimize("Os", "omit-frame-pointer")))
+# define __nolibc_entrypoint_epilogue() __builtin_unreachable()
+#endif /* __nolibc_has_attribute(naked) */
+
#if defined(__SSP__) || defined(__SSP_STRONG__) || defined(__SSP_ALL__) || defined(__SSP_EXPLICIT__)
#define _NOLIBC_STACKPROTECTOR
#endif /* defined(__SSP__) ... */
-#if defined(__has_attribute)
-# if __has_attribute(no_stack_protector)
-# define __no_stack_protector __attribute__((no_stack_protector))
-# else
-# define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector")))
-# endif
+#if __nolibc_has_attribute(no_stack_protector)
+# define __no_stack_protector __attribute__((no_stack_protector))
#else
# define __no_stack_protector __attribute__((__optimize__("-fno-stack-protector")))
-#endif /* defined(__has_attribute) */
+#endif /* __nolibc_has_attribute(no_stack_protector) */
#endif /* _NOLIBC_COMPILER_H */