From c37e58cc19272304e88611a4b838b01890d982cf Mon Sep 17 00:00:00 2001 From: Ed Maste Date: Sun, 30 Sep 2018 15:08:18 +0000 Subject: [PATCH] Update ifunc attribute support documentation Previously we documented GNU binutils and glibc versions required for ifunc support, but our own lld linker and FreeBSD's rtld also support ifuncs. Differential Revision: https://reviews.llvm.org/D52696 llvm-svn: 343408 --- clang/include/clang/Basic/AttrDocs.td | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clang/include/clang/Basic/AttrDocs.td b/clang/include/clang/Basic/AttrDocs.td index aaa1935e0d72..f2ecdfda26e7 100644 --- a/clang/include/clang/Basic/AttrDocs.td +++ b/clang/include/clang/Basic/AttrDocs.td @@ -3370,7 +3370,7 @@ The symbol name of the resolver function is given in quotes. A function with th The ``ifunc`` attribute may only be used on a function declaration. A function declaration with an ``ifunc`` attribute is considered to be a definition of the declared entity. The entity must not have weak linkage; for example, in C++, it cannot be applied to a declaration if a definition at that location would be considered inline. -Not all targets support this attribute. ELF targets support this attribute when using binutils v2.20.1 or higher and glibc v2.11.1 or higher. Non-ELF targets currently do not support this attribute. +Not all targets support this attribute. ELF target support depends on both the linker and runtime linker, and is available in at least lld 4.0 and later, binutils 2.20.1 and later, glibc v2.11.1 and later, and FreeBSD 9.1 and later. Non-ELF targets currently do not support this attribute. }]; }