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[5/8] arm64: Add assembly annotations for weak-PI-alias madness

Message ID 93210932f8a83f88c69195d5c72a3c1bf4b02222.1620738177.git.robin.murphy@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64: String function updates | expand

Commit Message

Robin Murphy May 11, 2021, 4:12 p.m. UTC 
Add yet another set of assembly symbol annotations, this time for the
borderline-absurd situation of a function aliasing to a weak symbol
which itself also wants a position-independent alias.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 arch/arm64/include/asm/linkage.h | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h
index ba89a9af820a..9906541a6861 100644
--- a/arch/arm64/include/asm/linkage.h
+++ b/arch/arm64/include/asm/linkage.h
@@ -56,8 +56,16 @@ 
 		SYM_FUNC_START_ALIAS(__pi_##x);	\
 		SYM_FUNC_START_WEAK(x)
 
+#define SYM_FUNC_START_WEAK_ALIAS_PI(x)		\
+		SYM_FUNC_START_ALIAS(__pi_##x);	\
+		SYM_START(x, SYM_L_WEAK, SYM_A_ALIGN)
+
 #define SYM_FUNC_END_PI(x)			\
 		SYM_FUNC_END(x);		\
 		SYM_FUNC_END_ALIAS(__pi_##x)
 
+#define SYM_FUNC_END_ALIAS_PI(x)		\
+		SYM_FUNC_END_ALIAS(x);		\
+		SYM_FUNC_END_ALIAS(__pi_##x)
+
 #endif