!786 add Wl,-z,noseparate-code for so

From: @zhangnaichuan 
Reviewed-by: @yang_yanchao 
Signed-off-by: @yang_yanchao

add-Wl-z-noseparate-code-for-so.patch

@@ -0,0 +1,29 @@
+From 2eb52cc0dd1ce02871d4f863649a8656831805c7 Mon Sep 17 00:00:00 2001
+From: hongrongxuan <hongrongxuan@huawei.com>
+Date: Tue, 25 Oct 2022 21:24:21 +0800
+Subject: [PATCH] add Wl,-z,noseparate-code for so
+binutils 2.31 add a separate-code(default)/noseparate-code link option to separate
+.rodata from .text segment. Cause this is a dubious feature that intends to
+reduce the number of ROP gadgets, and this will reduce batch program's
+performance, like unixbench shell program, it will reduce 8%~10%. So
+add 'Wl,-z,noseparate-code' to disable this feature.
+
+Refrences:
+https://sourceware.org/pipermail/binutils/2018-February/101950.html
+https://reviews.llvmm.org/D64903
+https://packagehub.suse.com/packages/binutils/2_37-1050100_7_34_1/
+---
+ sysdeps/x86_64/Makeconfig | 1 +
+ 1 file changed, 1 insertion(+)
+ create mode 100644 sysdeps/x86_64/Makeconfig
+
+diff --git a/sysdeps/x86_64/Makeconfig b/sysdeps/x86_64/Makeconfig
+new file mode 100644
+index 00000000..5f544fd7
+--- /dev/null
++++ b/sysdeps/x86_64/Makeconfig
+@@ -0,0 +1 @@
++relro-LDFLAGS = -Wl,-z,relro -Wl,-z,noseparate-code
+--
+2.33.0
+

glibc.spec

@@ -67,7 +67,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.38
-Release: 	24
+Release: 	25
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -196,6 +196,7 @@ Patch9019: 0001-fix-glibc-build-error-on-x86.patch
 %if %{ENABLE_RELOC}
 Patch9021: reserve-relocation-information-for-sysboost.patch
 %endif
+Patch9022: add-Wl-z-noseparate-code-for-so.patch
 
 Provides: ldconfig rtld(GNU_HASH) bundled(gnulib)
 
@@ -1392,6 +1393,9 @@ fi
 %endif
 
 %changelog
+* Thu Apr 18 2024 zhangnaichuan <zhangnaichuan@huawei.com> - 2.38-25
+- add Wl,-z,noseparate-code for so
+
 * Tue Apr 9 2024 yangpan <yangpan51@huawei.com> - 2.38-24
 - disable sysboost