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| author | Henrik Gramner <henrik@gramner.com> | 2017-08-16 15:59:16 +0200 |
|---|---|---|
| committer | Henrik Gramner <henrik@gramner.com> | 2018-01-20 19:23:37 +0100 |
| commit | 6b6edd121699a87c17bd5eca9e94cdd125088c0e (patch) | |
| tree | c96678e8c4f0877d2208b8b3e8dc4813d7519f93 | |
| parent | 9e4b3675f226238ae132cada2bb82bcb00110aa6 (diff) | |
| download | ffmpeg-6b6edd121699a87c17bd5eca9e94cdd125088c0e.tar.gz | |
x86inc: Support creating global symbols from local labels
On ELF platforms such symbols needs to be flagged as functions with the
correct visibility to please certain linkers in some scenarios.
| -rw-r--r-- | libavutil/x86/x86inc.asm | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm index 57cd4d80de..de048f863d 100644 --- a/libavutil/x86/x86inc.asm +++ b/libavutil/x86/x86inc.asm @@ -4,9 +4,9 @@ ;* Copyright (C) 2005-2017 x264 project ;* ;* Authors: Loren Merritt <lorenm@u.washington.edu> +;* Henrik Gramner <henrik@gramner.com> ;* Anton Mitrofanov <BugMaster@narod.ru> ;* Fiona Glaser <fiona@x264.com> -;* Henrik Gramner <henrik@gramner.com> ;* ;* Permission to use, copy, modify, and/or distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above @@ -743,6 +743,16 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %endif %endmacro +; Create a global symbol from a local label with the correct name mangling and type +%macro cglobal_label 1 + %if FORMAT_ELF + global current_function %+ %1:function hidden + %else + global current_function %+ %1 + %endif + %1: +%endmacro + %macro cextern 1 %xdefine %1 mangle(private_prefix %+ _ %+ %1) CAT_XDEFINE cglobaled_, %1, 1 |