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From 7327af4c323f6d4f500bf4aaa66a9cac6236772f Mon Sep 17 00:00:00 2001
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From: Jim Meyering <meyering@redhat.com>
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Date: Wed, 26 Oct 2011 20:08:52 +0200
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Subject: [PATCH] Revert "Use leaf function attribute in __THROW"
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This reverts commit aa78043a4aafe5db1a1a76d544a833b63b4c5f5c
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and the related 49a43d80ec5c97cf6136b1ee2687414773b2d5aa.
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This fixes http://bugzilla.redhat.com/747377
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---
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misc/sys/cdefs.h | 15 +++------------
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2 files changed, 3 insertions(+), 14 deletions(-)
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diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
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index 72073e8..165a94a 100644
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--- a/misc/sys/cdefs.h
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+++ b/misc/sys/cdefs.h
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@@ -38,27 +38,18 @@
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#ifdef __GNUC__
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-/* All functions, except those with callbacks, are leaf functions. */
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-# if __GNUC_PREREQ (4, 6) && !defined _LIBC
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-# define __LEAF , __leaf__
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-# define __LEAF_ATTR __attribute__ ((__leaf__))
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-# else
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-# define __LEAF
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-# define __LEAF_ATTR
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-# endif
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-
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/* GCC can always grok prototypes. For C++ programs we add throw()
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to help it optimize the function calls. But this works only with
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gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions
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as non-throwing using a function attribute since programs can use
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the -fexceptions options for C code as well. */
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# if !defined __cplusplus && __GNUC_PREREQ (3, 3)
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-# define __THROW __attribute__ ((__nothrow__ __LEAF))
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-# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
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+# define __THROW __attribute__ ((__nothrow__))
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+# define __NTH(fct) __attribute__ ((__nothrow__)) fct
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# else
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# if defined __cplusplus && __GNUC_PREREQ (2,8)
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# define __THROW throw ()
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-# define __NTH(fct) __LEAF_ATTR fct throw ()
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+# define __NTH(fct) fct throw ()
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# else
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# define __THROW
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# define __NTH(fct) fct
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--
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1.7.7.1
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