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authorVasily Gorbik <gor@linux.ibm.com>2018-06-28 19:22:21 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-07-02 12:32:24 +0200
commitee6d777d3e93670af801a7288ee6281626f4ac2d (patch)
tree1d753afc3b9bbfb72d7a34757ca686f8e00e5252 /arch/s390/Makefile
parents390/build: add *.o.chkbss files to targets list (diff)
downloadlinux-dev-ee6d777d3e93670af801a7288ee6281626f4ac2d.tar.xz
linux-dev-ee6d777d3e93670af801a7288ee6281626f4ac2d.zip
s390/decompressor: support extra debug flags
Since decompressor cflags and aflags are made from scratch add extra debug flags when CONFIG_DEBUG_INFO is enabled. Also adds support for CONFIG_DEBUG_INFO_DWARF4 option. Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Makefile')
-rw-r--r--arch/s390/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index d25fbc170164..eee6703093c3 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -16,12 +16,16 @@ KBUILD_AFLAGS_MODULE += -fPIC
KBUILD_CFLAGS_MODULE += -fPIC
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64
+aflags_dwarf := -Wa,-gdwarf-2
KBUILD_AFLAGS_DECOMPRESSOR := -m64 -D__ASSEMBLY__
+KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
KBUILD_CFLAGS_DECOMPRESSOR := -m64 -O2
KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
+KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
+KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
UTS_MACHINE := s390x
STACK_SIZE := 16384
CHECKFLAGS += -D__s390__ -D__s390x__