From 933681b2084435ec2744e7042e3864cabd4fa879 Mon Sep 17 00:00:00 2001 From: Liming Gao Date: Thu, 17 Oct 2019 14:55:53 +0800 Subject: [PATCH] CryptoPkg IntrinsicLib: Make _fltused always be used BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1603 With this change, global variable _fltused will not be removed by LTO Signed-off-by: Liming Gao Reviewed-by: Jian J Wang Reviewed-by: Philippe Mathieu-Daude --- CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c b/CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c index 6e4d4a68cc..94fe341bec 100644 --- a/CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c +++ b/CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c @@ -2,7 +2,7 @@ Intrinsic Memory Routines Wrapper Implementation for OpenSSL-based Cryptographic Library. -Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.
+Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -13,9 +13,15 @@ SPDX-License-Identifier: BSD-2-Clause-Patent typedef UINTN size_t; +#if defined(__GNUC__) || defined(__clang__) + #define GLOBAL_USED __attribute__((used)) +#else + #define GLOBAL_USED +#endif + /* OpenSSL will use floating point support, and C compiler produces the _fltused symbol by default. Simply define this symbol here to satisfy the linker. */ -int _fltused = 1; +int GLOBAL_USED _fltused = 1; /* Sets buffers to a specified character */ void * memset (void *dest, int ch, size_t count) -- 2.39.2