arm64: Add assembly annotations for weak-PI-alias madness

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>
Link: https://lore.kernel.org/r/75545b3c4129b20b887474bb58a9cf302bf2132b.1622128527.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h
index ba89a9af820ab959edbb1134246a28a51b8f393e..9906541a6861963ba26d297e0577f44c927d085a 100644 (file)
--- 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