glibc/glibc-upstream-2.39-266.patch
2026-05-19 15:08:01 -04:00

37 lines
1.4 KiB
Diff

commit c74d59a656f8f98ee48b501a0d0653f4d9b3b59d
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Nov 6 11:14:53 2025 +0100
aarch64: Do not link conform tests with -Wl,-z,force-bti (bug 33601)
If the toolchain does not default to generate BTI markers in GCC,
the main program for conform runtime tests will not have the
BTI marker that -Wl,-z,force-bti requires. Without -Wl,-z,force-bti,
the link editor will not tell the dynamic linker to enable BTI,
and the missing BTI marker is harmless.
Reviewed-by: Yury Khrustalev <yury.khrustalev@arm.com>
(cherry picked from commit 75b6b263e928eaca01d836f6bb8b539346b6bb2d)
diff --git a/sysdeps/aarch64/Makefile b/sysdeps/aarch64/Makefile
index 141d7d9cc2bbbce7..eb34f4541e9710ba 100644
--- a/sysdeps/aarch64/Makefile
+++ b/sysdeps/aarch64/Makefile
@@ -2,11 +2,15 @@ long-double-fcts = yes
ifeq (yes,$(aarch64-bti))
# Mark linker output BTI compatible, it warns on non-BTI inputs.
+# Do not do this for conform tests because they may not be compiled
+# with the appropriate compiler flags.
+ifneq ($(subdir),conform)
sysdep-LDFLAGS += -Wl,-z,force-bti
# Make warnings fatal outside the test system.
LDFLAGS-lib.so += -Wl,--fatal-warnings
LDFLAGS-rtld += -Wl,-z,force-bti,--fatal-warnings
-endif
+endif # $(subdir) != conform
+endif # $(aarch64-bit)
ifeq ($(subdir),elf)
sysdep-dl-routines += dl-bti