[kvm-unit-tests,PULL,2/4] s390x: Remove .note.gnu.build-id section from the ELF files
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Message ID 1530007279-26545-3-git-send-email-thuth@redhat.com
State New
Headers show

Commit Message

Thomas Huth June 26, 2018, 10:01 a.m. UTC
While debugging another problem, we noticed that the low memory contains
some bytes which should not be there. Looks like the linker puts the
".note.gnu.build-id" section to address 0 if it has not explicitly
specified in the linker script. ARM and powerpc unit tests are apparently
already using --build-id=none to avoid this problem, so let's simply use
this linker flag in the s390x builds, too.

Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 s390x/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/s390x/Makefile b/s390x/Makefile
index d4275a1..6546a02 100644
--- a/s390x/Makefile
+++ b/s390x/Makefile
@@ -21,7 +21,7 @@  CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/s390x -I lib
 CFLAGS += -O2
 CFLAGS += -march=z900
 CFLAGS += -fno-delete-null-pointer-checks
-LDFLAGS += -nostdlib
+LDFLAGS += -nostdlib -Wl,--build-id=none
 
 # We want to keep intermediate files
 .PRECIOUS: %.o