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arm64: Add assembly annotations for weak-PI-alias madness
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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>
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Robin Murphy authored and Will Deacon committed Jun 1, 2021
1 parent 020b199 commit b6c4ea4
Showing 1 changed file with 8 additions and 0 deletions.
8 changes: 8 additions & 0 deletions arch/arm64/include/asm/linkage.h
Original file line number Diff line number Diff line change
Expand Up @@ -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

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