summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/Makefile
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
commit282c335ad1bf4d21fcedff132e19995c24c09adc (patch)
treed24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /arch/powerpc/Makefile
parentAdding upstream version 4.19.289. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/Makefile')
-rw-r--r--arch/powerpc/Makefile24
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index b2e0fd873..daddada1a 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -113,6 +113,9 @@ KBUILD_LDFLAGS += -m elf$(BITS)$(LDEMULATION)
KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET)
endif
+cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard=tls
+cflags-$(CONFIG_STACKPROTECTOR) += -mstack-protector-guard-reg=r2
+
LDFLAGS_vmlinux-y := -Bstatic
LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie
LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y)
@@ -419,9 +422,12 @@ archclean:
archprepare: checkbin
-# Use the file '.tmp_gas_check' for binutils tests, as gas won't output
-# to stdout and these checks are run even on install targets.
-TOUT := .tmp_gas_check
+ifdef CONFIG_STACKPROTECTOR
+prepare: stack_protector_prepare
+
+stack_protector_prepare: prepare0
+ $(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h))
+endif
# Check toolchain versions:
# - gcc-4.6 is the minimum kernel-wide version so nothing required.
@@ -433,7 +439,11 @@ checkbin:
echo -n '*** Please use a different binutils version.' ; \
false ; \
fi
-
-
-CLEAN_FILES += $(TOUT)
-
+ @if test "x${CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT}" = "xy" -a \
+ "x${CONFIG_LD_IS_BFD}" = "xy" -a \
+ "${CONFIG_LD_VERSION}" = "23700" ; then \
+ echo -n '*** binutils 2.37 drops unused section symbols, which recordmcount ' ; \
+ echo 'is unable to handle.' ; \
+ echo '*** Please use a different binutils version.' ; \
+ false ; \
+ fi