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authorNoah Goldstein <goldstein.w.n@gmail.com>2021-10-21 15:53:58 -0500
committerNoah Goldstein <goldstein.w.n@gmail.com>2021-10-26 16:51:29 -0500
commit9894127d202d8c0c821d852658057a03ba3cc3d2 (patch)
treeb2517795f8aa1613ffb17a5d23a8804e9d1860b6 /sysdeps/x86_64
parent44829b3ddb64e99e37343a0f25b2c082387d31a5 (diff)
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String: Add hidden defs for __memcmpeq() to enable internal usage
No bug.

This commit adds hidden defs for all declarations of __memcmpeq. This
enables usage of __memcmpeq without the PLT for usage internal to
GLIBC.
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/memcmp.S1
-rw-r--r--sysdeps/x86_64/multiarch/memcmp-sse2.S3
-rw-r--r--sysdeps/x86_64/multiarch/memcmp.c1
3 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/x86_64/memcmp.S b/sysdeps/x86_64/memcmp.S
index 1b351ee092..8a03e572e8 100644
--- a/sysdeps/x86_64/memcmp.S
+++ b/sysdeps/x86_64/memcmp.S
@@ -361,3 +361,4 @@ weak_alias (memcmp, bcmp)
 #undef __memcmpeq
 strong_alias (memcmp, __memcmpeq)
 libc_hidden_builtin_def (memcmp)
+libc_hidden_def (__memcmpeq)
diff --git a/sysdeps/x86_64/multiarch/memcmp-sse2.S b/sysdeps/x86_64/multiarch/memcmp-sse2.S
index af737c5e6c..7b30b7ca2e 100644
--- a/sysdeps/x86_64/multiarch/memcmp-sse2.S
+++ b/sysdeps/x86_64/multiarch/memcmp-sse2.S
@@ -22,6 +22,9 @@
 # ifdef SHARED
 #  undef libc_hidden_builtin_def
 #  define libc_hidden_builtin_def(name)
+
+#  undef libc_hidden_def
+#  define libc_hidden_def(ignored)
 # endif
 
 # undef weak_alias
diff --git a/sysdeps/x86_64/multiarch/memcmp.c b/sysdeps/x86_64/multiarch/memcmp.c
index 4a3aad2c9c..7b3409b1dd 100644
--- a/sysdeps/x86_64/multiarch/memcmp.c
+++ b/sysdeps/x86_64/multiarch/memcmp.c
@@ -31,6 +31,7 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ());
 weak_alias (memcmp, bcmp)
 # undef __memcmpeq
 strong_alias (memcmp, __memcmpeq)
+libc_hidden_def (__memcmpeq)
 
 # ifdef SHARED
 __hidden_ver1 (memcmp, __GI_memcmp, __redirect_memcmp)