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-rw-r--r--ChangeLog20
-rw-r--r--sysdeps/x86_64/multiarch/Makefile1
-rw-r--r--sysdeps/x86_64/multiarch/ifunc-unaligned-ssse3.h40
-rw-r--r--sysdeps/x86_64/multiarch/stpcpy-sse2.S33
-rw-r--r--sysdeps/x86_64/multiarch/stpcpy.S9
-rw-r--r--sysdeps/x86_64/multiarch/stpcpy.c41
-rw-r--r--sysdeps/x86_64/multiarch/stpncpy-c.c9
-rw-r--r--sysdeps/x86_64/multiarch/stpncpy.S8
-rw-r--r--sysdeps/x86_64/multiarch/stpncpy.c38
-rw-r--r--sysdeps/x86_64/multiarch/strcpy-sse2.S28
-rw-r--r--sysdeps/x86_64/multiarch/strcpy.S99
-rw-r--r--sysdeps/x86_64/multiarch/strcpy.c35
-rw-r--r--sysdeps/x86_64/multiarch/strncpy-c.c7
-rw-r--r--sysdeps/x86_64/multiarch/strncpy.S5
-rw-r--r--sysdeps/x86_64/multiarch/strncpy.c36
15 files changed, 278 insertions, 131 deletions
diff --git a/ChangeLog b/ChangeLog
index 5f9e5c09e7..bce6be9067 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,23 @@
+2017-06-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add
+	strcpy-sse2 and stpcpy-sse2.
+	* sysdeps/x86_64/multiarch/ifunc-unaligned-ssse3.h: New file.
+	* sysdeps/x86_64/multiarch/stpcpy-sse2.S: Likewise.
+	* sysdeps/x86_64/multiarch/stpcpy.c: Likewise.
+	* sysdeps/x86_64/multiarch/stpncpy.c: Likewise.
+	* sysdeps/x86_64/multiarch/strcpy-sse2.S: Likewise.
+	* sysdeps/x86_64/multiarch/strcpy.c: Likewise.
+	* sysdeps/x86_64/multiarch/strncpy.c: Likewise.
+	* sysdeps/x86_64/multiarch/stpcpy.S: Removed.
+	* sysdeps/x86_64/multiarch/stpncpy.S: Likewise.
+	* sysdeps/x86_64/multiarch/strcpy.S: Likewise.
+	* sysdeps/x86_64/multiarch/strncpy.S: Likewise.
+	* sysdeps/x86_64/multiarch/stpncpy-c.c (weak_alias): New.
+	(libc_hidden_def): Always defined as empty.
+	* sysdeps/x86_64/multiarch/strncpy-c.c (libc_hidden_builtin_def):
+	Always Defined as empty.
+
 2017-06-12  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	[BZ #15105]
diff --git a/sysdeps/x86_64/multiarch/Makefile b/sysdeps/x86_64/multiarch/Makefile
index c901704b11..202a19c492 100644
--- a/sysdeps/x86_64/multiarch/Makefile
+++ b/sysdeps/x86_64/multiarch/Makefile
@@ -18,6 +18,7 @@ sysdep_routines += strncat-c stpncpy-c strncpy-c strcmp-ssse3 \
 		   strrchr-sse2 strrchr-avx2 \
 		   strlen-sse2 strnlen-sse2 strlen-avx2 strnlen-avx2 \
 		   strncase_l-ssse3 strcat-ssse3 strncat-ssse3\
+		   strcpy-sse2 stpcpy-sse2 \
 		   strcpy-ssse3 strncpy-ssse3 stpcpy-ssse3 stpncpy-ssse3 \
 		   strcpy-sse2-unaligned strncpy-sse2-unaligned \
 		   stpcpy-sse2-unaligned stpncpy-sse2-unaligned \
diff --git a/sysdeps/x86_64/multiarch/ifunc-unaligned-ssse3.h b/sysdeps/x86_64/multiarch/ifunc-unaligned-ssse3.h
new file mode 100644
index 0000000000..5e7c47d42e
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/ifunc-unaligned-ssse3.h
@@ -0,0 +1,40 @@
+/* Common definition for ifunc selections optimized with SSE2, unaligned
+   SSE2 and SSSE3.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <init-arch.h>
+
+extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_unaligned)
+  attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden;
+
+static inline void *
+IFUNC_SELECTOR (void)
+{
+  const struct cpu_features* cpu_features = __get_cpu_features ();
+
+  if (CPU_FEATURES_ARCH_P (cpu_features, Fast_Unaligned_Load))
+    return OPTIMIZE (sse2_unaligned);
+
+  if (CPU_FEATURES_CPU_P (cpu_features, SSSE3))
+    return OPTIMIZE (ssse3);
+
+  return OPTIMIZE (sse2);
+}
diff --git a/sysdeps/x86_64/multiarch/stpcpy-sse2.S b/sysdeps/x86_64/multiarch/stpcpy-sse2.S
new file mode 100644
index 0000000000..10d6cc71ef
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/stpcpy-sse2.S
@@ -0,0 +1,33 @@
+/* stpcpy optimized with SSE2.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if IS_IN (libc)
+
+# include <sysdep.h>
+# define __stpcpy __stpcpy_sse2
+
+# undef weak_alias
+# define weak_alias(ignored1, ignored2)
+# undef libc_hidden_def
+# define libc_hidden_def(__stpcpy)
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(stpcpy)
+#endif
+
+#define USE_AS_STPCPY
+#include <sysdeps/x86_64/stpcpy.S>
diff --git a/sysdeps/x86_64/multiarch/stpcpy.S b/sysdeps/x86_64/multiarch/stpcpy.S
deleted file mode 100644
index ee81ab6ae3..0000000000
--- a/sysdeps/x86_64/multiarch/stpcpy.S
+++ /dev/null
@@ -1,9 +0,0 @@
-/* Multiple versions of stpcpy
-   All versions must be listed in ifunc-impl-list.c.  */
-#define USE_AS_STPCPY
-#define STRCPY __stpcpy
-#include "strcpy.S"
-
-weak_alias (__stpcpy, stpcpy)
-libc_hidden_def (__stpcpy)
-libc_hidden_builtin_def (stpcpy)
diff --git a/sysdeps/x86_64/multiarch/stpcpy.c b/sysdeps/x86_64/multiarch/stpcpy.c
new file mode 100644
index 0000000000..7043584ba8
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/stpcpy.c
@@ -0,0 +1,41 @@
+/* Multiple versions of stpcpy.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Define multiple versions only for the definition in libc.  */
+#if IS_IN (libc)
+# define _HAVE_STRING_ARCH_stpcpy 1
+# define stpcpy __redirect_stpcpy
+# define __stpcpy __redirect___stpcpy
+# include <string.h>
+# undef stpcpy
+# undef __stpcpy
+
+# define SYMBOL_NAME stpcpy
+# include "ifunc-unaligned-ssse3.h"
+
+libc_ifunc_redirected (__redirect_stpcpy, __stpcpy, IFUNC_SELECTOR ());
+
+weak_alias (__stpcpy, stpcpy)
+# ifdef SHARED
+__hidden_ver1 (__stpcpy, __GI___stpcpy, __redirect___stpcpy)
+  __attribute__ ((visibility ("hidden")));
+__hidden_ver1 (stpcpy, __GI_stpcpy, __redirect_stpcpy)
+  __attribute__ ((visibility ("hidden")));
+# endif
+#endif
diff --git a/sysdeps/x86_64/multiarch/stpncpy-c.c b/sysdeps/x86_64/multiarch/stpncpy-c.c
index 2fde77dcab..b016e487e1 100644
--- a/sysdeps/x86_64/multiarch/stpncpy-c.c
+++ b/sysdeps/x86_64/multiarch/stpncpy-c.c
@@ -1,8 +1,7 @@
 #define STPNCPY __stpncpy_sse2
-#ifdef SHARED
+#undef weak_alias
+#define weak_alias(ignored1, ignored2)
 #undef libc_hidden_def
-#define libc_hidden_def(name) \
-  __hidden_ver1 (__stpncpy_sse2, __GI___stpncpy, __stpncpy_sse2);
-#endif
+#define libc_hidden_def(stpncpy)
 
-#include "stpncpy.c"
+#include <string/stpncpy.c>
diff --git a/sysdeps/x86_64/multiarch/stpncpy.S b/sysdeps/x86_64/multiarch/stpncpy.S
deleted file mode 100644
index 2698ca6a8c..0000000000
--- a/sysdeps/x86_64/multiarch/stpncpy.S
+++ /dev/null
@@ -1,8 +0,0 @@
-/* Multiple versions of stpncpy
-   All versions must be listed in ifunc-impl-list.c.  */
-#define STRCPY __stpncpy
-#define USE_AS_STPCPY
-#define USE_AS_STRNCPY
-#include "strcpy.S"
-
-weak_alias (__stpncpy, stpncpy)
diff --git a/sysdeps/x86_64/multiarch/stpncpy.c b/sysdeps/x86_64/multiarch/stpncpy.c
new file mode 100644
index 0000000000..36d5b4b023
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/stpncpy.c
@@ -0,0 +1,38 @@
+/* Multiple versions of stpncpy.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Define multiple versions only for the definition in libc.  */
+#if IS_IN (libc)
+# define stpncpy __redirect_stpncpy
+# define __stpncpy __redirect___stpncpy
+# include <string.h>
+# undef stpncpy
+# undef __stpncpy
+
+# define SYMBOL_NAME stpncpy
+# include "ifunc-unaligned-ssse3.h"
+
+libc_ifunc_redirected (__redirect_stpncpy, __stpncpy, IFUNC_SELECTOR ());
+
+weak_alias (__stpncpy, stpncpy)
+# ifdef SHARED
+__hidden_ver1 (__stpncpy, __GI___stpncpy, __redirect___stpncpy)
+  __attribute__ ((visibility ("hidden")));
+# endif
+#endif
diff --git a/sysdeps/x86_64/multiarch/strcpy-sse2.S b/sysdeps/x86_64/multiarch/strcpy-sse2.S
new file mode 100644
index 0000000000..ee7cbbfad1
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/strcpy-sse2.S
@@ -0,0 +1,28 @@
+/* strcpy optimized with SSE2.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if IS_IN (libc)
+
+# include <sysdep.h>
+# define strcpy __strcpy_sse2
+
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(strcpy)
+#endif
+
+#include <sysdeps/x86_64/strcpy.S>
diff --git a/sysdeps/x86_64/multiarch/strcpy.S b/sysdeps/x86_64/multiarch/strcpy.S
deleted file mode 100644
index 77819ddc50..0000000000
--- a/sysdeps/x86_64/multiarch/strcpy.S
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Multiple versions of strcpy
-   All versions must be listed in ifunc-impl-list.c.
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
-   Contributed by Intel Corporation.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-#include <init-arch.h>
-
-#if !defined (USE_AS_STPCPY) && !defined (USE_AS_STRNCPY)
-# ifndef STRCPY
-#  define STRCPY strcpy
-# endif
-#endif
-
-#ifdef USE_AS_STPCPY
-# ifdef USE_AS_STRNCPY
-#  define STRCPY_SSSE3		__stpncpy_ssse3
-#  define STRCPY_SSE2		__stpncpy_sse2
-#  define STRCPY_SSE2_UNALIGNED __stpncpy_sse2_unaligned
-#  define __GI_STRCPY		__GI_stpncpy
-#  define __GI___STRCPY		__GI___stpncpy
-# else
-#  define STRCPY_SSSE3		__stpcpy_ssse3
-#  define STRCPY_SSE2		__stpcpy_sse2
-#  define STRCPY_SSE2_UNALIGNED	__stpcpy_sse2_unaligned
-#  define __GI_STRCPY		__GI_stpcpy
-#  define __GI___STRCPY		__GI___stpcpy
-# endif
-#else
-# ifdef USE_AS_STRNCPY
-#  define STRCPY_SSSE3		__strncpy_ssse3
-#  define STRCPY_SSE2		__strncpy_sse2
-#  define STRCPY_SSE2_UNALIGNED	__strncpy_sse2_unaligned
-#  define __GI_STRCPY		__GI_strncpy
-# else
-#  define STRCPY_SSSE3		__strcpy_ssse3
-#  define STRCPY_SSE2		__strcpy_sse2
-#  define STRCPY_SSE2_UNALIGNED	__strcpy_sse2_unaligned
-#  define __GI_STRCPY		__GI_strcpy
-# endif
-#endif
-
-
-/* Define multiple versions only for the definition in libc.  */
-#if IS_IN (libc)
-	.text
-ENTRY(STRCPY)
-	.type	STRCPY, @gnu_indirect_function
-	LOAD_RTLD_GLOBAL_RO_RDX
-	leaq	STRCPY_SSE2_UNALIGNED(%rip), %rax
-	HAS_ARCH_FEATURE (Fast_Unaligned_Load)
-	jnz	2f
-	leaq	STRCPY_SSE2(%rip), %rax
-	HAS_CPU_FEATURE (SSSE3)
-	jz	2f
-	leaq	STRCPY_SSSE3(%rip), %rax
-2:	ret
-END(STRCPY)
-
-# undef ENTRY
-# define ENTRY(name) \
-	.type STRCPY_SSE2, @function; \
-	.align 16; \
-	.globl STRCPY_SSE2; \
-	.hidden STRCPY_SSE2; \
-	STRCPY_SSE2: cfi_startproc; \
-	CALL_MCOUNT
-# undef END
-# define END(name) \
-	cfi_endproc; .size STRCPY_SSE2, .-STRCPY_SSE2
-# undef libc_hidden_builtin_def
-/* It doesn't make sense to send libc-internal strcpy calls through a PLT.
-   The speedup we get from using SSSE3 instruction is likely eaten away
-   by the indirect call in the PLT.  */
-# define libc_hidden_builtin_def(name) \
-	.globl __GI_STRCPY; __GI_STRCPY = STRCPY_SSE2
-# undef libc_hidden_def
-# define libc_hidden_def(name) \
-	.globl __GI___STRCPY; __GI___STRCPY = STRCPY_SSE2
-#endif
-
-#ifndef USE_AS_STRNCPY
-#include "../strcpy.S"
-#endif
diff --git a/sysdeps/x86_64/multiarch/strcpy.c b/sysdeps/x86_64/multiarch/strcpy.c
new file mode 100644
index 0000000000..d8757df387
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/strcpy.c
@@ -0,0 +1,35 @@
+/* Multiple versions of strcpy.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Define multiple versions only for the definition in libc.  */
+#if IS_IN (libc)
+# define strcpy __redirect_strcpy
+# include <string.h>
+# undef strcpy
+
+# define SYMBOL_NAME strcpy
+# include "ifunc-unaligned-ssse3.h"
+
+libc_ifunc_redirected (__redirect_strcpy, strcpy, IFUNC_SELECTOR ());
+
+# ifdef SHARED
+__hidden_ver1 (strcpy, __GI_strcpy, __redirect_strcpy)
+  __attribute__ ((visibility ("hidden")));
+# endif
+#endif
diff --git a/sysdeps/x86_64/multiarch/strncpy-c.c b/sysdeps/x86_64/multiarch/strncpy-c.c
index 296c32cb5d..57c45ac7ab 100644
--- a/sysdeps/x86_64/multiarch/strncpy-c.c
+++ b/sysdeps/x86_64/multiarch/strncpy-c.c
@@ -1,8 +1,5 @@
 #define STRNCPY __strncpy_sse2
-#ifdef SHARED
 #undef libc_hidden_builtin_def
-#define libc_hidden_builtin_def(name) \
-  __hidden_ver1 (__strncpy_sse2, __GI_strncpy, __strncpy_sse2);
-#endif
+#define libc_hidden_builtin_def(strncpy)
 
-#include "strncpy.c"
+#include <string/strncpy.c>
diff --git a/sysdeps/x86_64/multiarch/strncpy.S b/sysdeps/x86_64/multiarch/strncpy.S
deleted file mode 100644
index 6d87a0ba35..0000000000
--- a/sysdeps/x86_64/multiarch/strncpy.S
+++ /dev/null
@@ -1,5 +0,0 @@
-/* Multiple versions of strncpy
-   All versions must be listed in ifunc-impl-list.c.  */
-#define STRCPY strncpy
-#define USE_AS_STRNCPY
-#include "strcpy.S"
diff --git a/sysdeps/x86_64/multiarch/strncpy.c b/sysdeps/x86_64/multiarch/strncpy.c
new file mode 100644
index 0000000000..7b71cb9ed8
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/strncpy.c
@@ -0,0 +1,36 @@
+/* Multiple versions of strncpy.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Define multiple versions only for the definition in libc.  */
+#if IS_IN (libc)
+# define _HAVE_STRING_ARCH_strncpy 1
+# define strncpy __redirect_strncpy
+# include <string.h>
+# undef strncpy
+
+# define SYMBOL_NAME strncpy
+# include "ifunc-unaligned-ssse3.h"
+
+libc_ifunc_redirected (__redirect_strncpy, strncpy, IFUNC_SELECTOR ());
+
+# ifdef SHARED
+__hidden_ver1 (strncpy, __GI_strncpy, __redirect_strncpy)
+  __attribute__ ((visibility ("hidden")));
+# endif
+#endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-11 11:47:04 +0000