diff options
| author | Martin Storsjö <martin@martin.st> | 2017-07-09 23:52:10 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2017-08-22 13:41:08 +0300 |
| commit | 7b7760ad6efb7b96122aa7133ad21e22653ae222 (patch) | |
| tree | 965eff02735c51e4a26e3f5c4e049a8316240e6d /libavutil/aarch64 | |
| parent | 0c99b900d874b60ce89b94742b2215f163c87a2b (diff) | |
| download | ffmpeg-7b7760ad6efb7b96122aa7133ad21e22653ae222.tar.gz | |
aarch64: Fix negative movrel offsets for windows
On windows, the offset for the relocation doesn't get stored in
the relocation itself, but as an unsigned immediate in the opcode.
Therefore, negative offsets has to be handled via a separate sub
instruction, just as on MachO.
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavutil/aarch64')
| -rw-r--r-- | libavutil/aarch64/asm.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavutil/aarch64/asm.S b/libavutil/aarch64/asm.S index 86d36cd57f..7e2af4df17 100644 --- a/libavutil/aarch64/asm.S +++ b/libavutil/aarch64/asm.S @@ -82,6 +82,15 @@ ELF .size \name, . - \name adrp \rd, \val+(\offset)@PAGE add \rd, \rd, \val+(\offset)@PAGEOFF .endif +#elif CONFIG_PIC && defined(_WIN32) + .if \offset < 0 + adrp \rd, \val + add \rd, \rd, :lo12:\val + sub \rd, \rd, -(\offset) + .else + adrp \rd, \val+(\offset) + add \rd, \rd, :lo12:\val+(\offset) + .endif #elif CONFIG_PIC adrp \rd, \val+(\offset) add \rd, \rd, :lo12:\val+(\offset) |