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authorJoseph Myers <joseph@codesourcery.com>2017-08-21 17:52:05 +0000
committerJoseph Myers <joseph@codesourcery.com>2017-08-21 17:52:05 +0000
commitdf1deda60050cc8a68156cf6c81ad42363647a29 (patch)
tree3897cf1e15499771560632ea8c0cbe1bba30c6bd /include
parent831bbd55271eacc0190a13954bd347f0a521b096 (diff)
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Revert "Add hidden visibility to internal function prototypes".
The commit commit 568ff4296c72534e49c8d9c83c33f3a0069cccc7 Author: H.J. Lu <hjl.tools@gmail.com> Date: Mon Aug 21 05:50:38 2017 -0700 Add hidden visibility to internal function prototypes breaks the build of the testsuite for many platforms: https://sourceware.org/ml/libc-testresults/2017-q3/msg00300.html The errors are of the following form, building math/atest-exp: [...] /scratch/jmyers/glibc-bot/build/glibcs/aarch64-linux-gnu/glibc/stdlib/rshift.o: In function `__mpn_rshift': /scratch/jmyers/glibc-bot/build/glibcs/aarch64-linux-gnu/glibc-src/stdlib/rshift.c:45: undefined reference to `__assert_fail' /scratch/jmyers/glibc-bot/install/compilers/aarch64-linux-gnu/lib/gcc/aarch64-glibc-linux-gnu/7.2.1/../../../../aarch64-glibc-linux-gnu/bin/ld: /scratch/jmyers/glibc-bot/build/glibcs/aarch64-linux-gnu/glibc/math/atest-exp: hidden symbol `__assert_fail' isn't defined /scratch/jmyers/glibc-bot/install/compilers/aarch64-linux-gnu/lib/gcc/aarch64-glibc-linux-gnu/7.2.1/../../../../aarch64-glibc-linux-gnu/bin/ld: final link failed: Bad value This test is using various objects from the build of libc. Some of those objects contain references to __assert_fail. Because those references are hidden, they cannot refer to __assert_fail from libc.so. Given the tests using internal objects those symbols in libc.a can't safely be made hidden, so this patch reverts the problem commit until any alternative approach that doesn't break the build can be found.
Diffstat (limited to 'include')
-rw-r--r--include/libc-symbols.h16
1 files changed, 2 insertions, 14 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index fe3571a..d6a1c26 100644
--- a/include/libc-symbols.h
+++ b/include/libc-symbols.h
@@ -513,20 +513,8 @@ for linking")
# endif
#else
# ifndef __ASSEMBLER__
-# if !defined SHARED && IS_IN (libc) && !defined LIBC_NONSHARED \
- && !defined NO_HIDDEN
-# define __hidden_proto_hiddenattr(attrs...) \
- __attribute__ ((visibility ("hidden"), ##attrs))
-# define hidden_proto(name, attrs...) \
- __hidden_proto (name, , name, ##attrs)
-# define hidden_tls_proto(name, attrs...) \
- __hidden_proto (name, __thread, name, ##attrs)
-# define __hidden_proto(name, thread, internal, attrs...) \
- extern thread __typeof (name) name __hidden_proto_hiddenattr (attrs);
-# else
-# define hidden_proto(name, attrs...)
-# define hidden_tls_proto(name, attrs...)
-# endif
+# define hidden_proto(name, attrs...)
+# define hidden_tls_proto(name, attrs...)
# else
# define HIDDEN_JUMPTARGET(name) JUMPTARGET(name)
# endif /* Not __ASSEMBLER__ */