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From: M1cha <sigmaepsilon92@gmail.com>
To: edk2-devel@lists.01.org
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Michael D Kinney <michael.d.kinney@intel.com>,
	Liming Gao <liming.gao@intel.com>
Subject: [PATCH 1/3] MdePkg: add RETURNS_TWICE attribute
Date: Fri, 22 Dec 2017 08:23:34 +0100	[thread overview]
Message-ID: <20171222072336.23504-2-sigmaepsilon92@gmail.com> (raw)
In-Reply-To: <20171222072336.23504-1-sigmaepsilon92@gmail.com>

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael Zimmermann <sigmaepsilon92@gmail.com>
---
 MdePkg/Include/Base.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index 22ab5d3715fb..c863de407418 100644
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -218,6 +218,16 @@ VERIFY_SIZE_OF (__VERIFY_UINT32_ENUM_SIZE, 4);
   #endif
 #endif
 
+#ifndef RETURNS_TWICE
+  #if defined (__GNUC__) || defined (__clang__)
+    #define RETURNS_TWICE  __attribute__((returns_twice))
+  #elif defined(_MSC_EXTENSIONS) && !defined(MDE_CPU_EBC)
+    #define RETURNS_TWICE
+  #else
+    #define RETURNS_TWICE
+  #endif
+#endif
+
 //
 // For symbol name in assembly code, an extra "_" is sometimes necessary
 //
-- 
2.15.1



  reply	other threads:[~2017-12-22  7:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-22  7:23 [PATCH 0/3] fix GCC optimizations and warnings for SetJump/LongJump M1cha
2017-12-22  7:23 ` M1cha [this message]
2017-12-22 15:24   ` [PATCH 1/3] MdePkg: add RETURNS_TWICE attribute Ard Biesheuvel
2017-12-22 18:27     ` Michael Zimmermann
2017-12-25  3:11     ` Gao, Liming
2017-12-25 15:50       ` Michael Zimmermann
2017-12-26 16:51         ` Gao, Liming
2017-12-26 20:00           ` Michael Zimmermann
2017-12-27 15:56             ` Gao, Liming
2017-12-22  7:23 ` [PATCH 2/3] MdePkg/BaseLib: add attribute 'RETURNS_TWICE' to SetJump M1cha
2017-12-22 15:27   ` Ard Biesheuvel
2017-12-22  7:23 ` [PATCH 3/3] MdePkg: add NORETURN attribute to LongJump and InternalLongJump M1cha
2017-12-22 15:27   ` Ard Biesheuvel
2017-12-22 17:55 ` [PATCH 0/3] fix GCC optimizations and warnings for SetJump/LongJump Kinney, Michael D
2017-12-22 18:26   ` Michael Zimmermann
2017-12-22 19:01     ` Kinney, Michael D

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