[PATCH] D107388: Work around non-existence of ElfW(type) macro on FreeBSD

[Dimitry Andric via Phabricator via llvm-commits]

dim updated this revision to Diff 363875.
dim added a comment.

Add comment about the FreeBSD ElfW(type) workaround.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D107388/new/

https://reviews.llvm.org/D107388

Files:
  compiler-rt/lib/profile/InstrProfilingPlatformLinux.c


Index: compiler-rt/lib/profile/InstrProfilingPlatformLinux.c
===================================================================
--- compiler-rt/lib/profile/InstrProfilingPlatformLinux.c
+++ compiler-rt/lib/profile/InstrProfilingPlatformLinux.c
@@ -18,6 +18,11 @@
 #include "InstrProfilingInternal.h"
 
 #if defined(__FreeBSD__) && !defined(ElfW)
+/*
+ * FreeBSD's elf.h and link.h headers do not define the ElfW(type) macro yet.
+ * If this is added to all supported FreeBSD versions in the future, this
+ * compatibility macro can be removed.
+ */
 #define ElfW(type) __ElfN(type)
 #endif
 


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