With apple tools, the linker fails with errors like these, if the
offset is negative:
ld: in section __TEXT,__text reloc 8: symbol index out of range for
architecture arm64
This is cherry-picked from libav commit
c44a8a3eabcd6acd2ba79f32ec8a432e6ebe552c.
---
libavutil/aarch64/asm.S | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/libavutil/aarch64/asm.S b/libavutil/aarch64/asm.S
index ff34e7a..523b8c5 100644
--- a/libavutil/aarch64/asm.S
+++ b/libavutil/aarch64/asm.S
@@ -72,15 +72,21 @@ ELF .size \name, . - \name
\name:
.endm
-.macro movrel rd, val
+.macro movrel rd, val, offset=0
#if CONFIG_PIC && defined(__APPLE__)
+ .if \offset < 0
adrp \rd, \val@PAGE
add \rd, \rd, \val@PAGEOFF
+ sub \rd, \rd, -(\offset)
+ .else
+ adrp \rd, \val+(\offset)@PAGE
+ add \rd, \rd, \val+(\offset)@PAGEOFF
+ .endif
#elif CONFIG_PIC
- adrp \rd, \val
- add \rd, \rd, :lo12:\val
+ adrp \rd, \val+\offset
+ add \rd, \rd, :lo12:\val+\offset
#else
- ldr \rd, =\val
+ ldr \rd, =\val+\offset
#endif
.endm
--
2.7.4
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