[PATCH] powerpc/vdso32: Drop -mabi=elfv1 for 32 bit objects
flat view
STALE2830d
From: Joel Stanley <joel@jms.id.au>
Date: 2019-01-10 01:44:48
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
From: Daniel Axtens <redacted> All 64-bit objects need to specify the flag to be compiled correctly, we just don't need it for 32-bit objects. GCC just ignored it, but clang doesn't. Link: https://github.com/ClangBuiltLinux/linux/issues/240 Signed-off-by: Daniel Axtens <redacted> Signed-off-by: Joel Stanley <joel@jms.id.au> --- arch/powerpc/kernel/vdso32/Makefile | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 50112d4473bb..6bd41756e0c7 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile@@ -34,6 +34,20 @@ obj-y += vdso32_wrapper.o extra-y += vdso32.lds CPPFLAGS_vdso32.lds += -P -C -Upowerpc +# clang refuses to accept -mabi=elfv1 for when using the +# 64-bit target in 32-bit mode +ifdef CONFIG_CC_IS_CLANG +ifdef CONFIG_PPC64 +AFLAGS_REMOVE_getcpu.o += -mabi=elfv1 +endif +AFLAGS_REMOVE_sigtramp.o += -mabi=elfv1 +AFLAGS_REMOVE_gettimeofday.o += -mabi=elfv1 +AFLAGS_REMOVE_datapage.o += -mabi=elfv1 +AFLAGS_REMOVE_cacheflush.o += -mabi=elfv1 +AFLAGS_REMOVE_note.o += -mabi=elfv1 +endif + + # Force dependency (incbin is bad) $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
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2.19.1