From: "Liming Gao" <liming.gao@intel.com>
To: devel@edk2.groups.io
Subject: [Patch v2 09/11] CryptoPkg IntrinsicLib: Make _fltused always be used
Date: Tue, 15 Oct 2019 08:26:48 +0800 [thread overview]
Message-ID: <1571099210-12432-10-git-send-email-liming.gao@intel.com> (raw)
In-Reply-To: <1571099210-12432-1-git-send-email-liming.gao@intel.com>
With this change, global variable _fltused will not be removed by LTO
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
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.<BR>
+Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
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)
--
2.13.0.windows.1
next prev parent reply other threads:[~2019-10-15 0:27 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 0:26 [Patch v2 00/11] New Cross OS tool chain CLANG9 Liming Gao
2019-10-15 0:26 ` [Patch v2 01/11] BaseTools tools_def.template: Remove unnecessary $(DEST_DIR_DEBUG) path Liming Gao
2019-10-16 8:59 ` [edk2-devel] " Bob Feng
2019-10-15 0:26 ` [Patch v2 02/11] BaseTools tools_def: Add CLANG9 tool chain to directly generate PE image Liming Gao
2019-10-15 0:26 ` [Patch v2 03/11] BaseTools GenFw: Fix the issue to update the wrong size as SectionSize Liming Gao
2019-10-15 9:21 ` [edk2-devel] " Philippe Mathieu-Daudé
2019-10-16 9:27 ` Bob Feng
2019-10-17 2:18 ` Liming Gao
2019-10-15 0:26 ` [Patch v2 04/11] MdePkg Base.h: Add definition for CLANG9 tool chain Liming Gao
2019-10-15 9:32 ` [edk2-devel] " Philippe Mathieu-Daudé
2019-10-15 0:26 ` [Patch v2 05/11] MdePkg BaseIoLibIntrinsic: Remove __inline__ attribute for IO functions Liming Gao
2019-10-15 9:26 ` [edk2-devel] " Philippe Mathieu-Daudé
2019-10-22 1:42 ` Michael D Kinney
2019-10-15 0:26 ` [Patch v2 06/11] MdeModulePkg LzmaCustomDecompressLib: Update macro to be same in CLANG tool Liming Gao
2019-10-16 2:05 ` [edk2-devel] " Wu, Hao A
2019-10-15 0:26 ` [Patch v2 07/11] MdeModulePkg RegularExpressionDxe: Disable warning for CLANG9 tool chain Liming Gao
2019-10-16 2:06 ` [edk2-devel] " Wu, Hao A
2019-10-15 0:26 ` [Patch v2 08/11] CryptoPkg: Append options to make CLANG9 tool chain pass build Liming Gao
2019-10-15 9:29 ` [edk2-devel] " Philippe Mathieu-Daudé
2019-10-16 1:12 ` Wang, Jian J
2019-10-15 0:26 ` Liming Gao [this message]
2019-10-15 9:30 ` [edk2-devel] [Patch v2 09/11] CryptoPkg IntrinsicLib: Make _fltused always be used Philippe Mathieu-Daudé
2019-10-16 1:10 ` Wang, Jian J
2019-10-15 0:26 ` [Patch v2 10/11] EmulatorPkg: Enable CLANG9 tool chain Liming Gao
2019-10-16 9:32 ` [edk2-devel] " Ni, Ray
2019-10-17 3:31 ` Liming Gao
2019-10-17 5:21 ` Ni, Ray
2019-10-15 0:26 ` [Patch v2 11/11] OvmfPkg: " Liming Gao
2019-10-15 7:36 ` [edk2-devel] [Patch v2 00/11] New Cross OS tool chain CLANG9 Laszlo Ersek
2019-10-16 0:55 ` Liming Gao
2019-10-16 9:19 ` Bob Feng
2019-10-17 2:15 ` Liming Gao
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