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-rw-r--r--arch/um/Makefile19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index a508e7a02891..f6ad832faf13 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -96,7 +96,8 @@ PHONY += linux
all: linux
linux: vmlinux
- ln -f $< $@
+ @echo ' LINK $@'
+ $(Q)ln -f $< $@
define archhelp
echo '* linux - Binary kernel image (./linux) - for backward'
@@ -117,6 +118,10 @@ prepare: $(ARCH_DIR)/include/kern_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
+CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) \
+ $(call cc-option, -fno-stack-protector,) \
+ $(call cc-option, -fno-stack-protector-all,)
+
CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
CONFIG_KERNEL_STACK_ORDER ?= 2
STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
@@ -203,8 +208,8 @@ endef
$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
$(call filechk,umlconfig)
-$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c
- $(CC) $(USER_CFLAGS) -S -o $@ $<
+$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
+ $(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
define filechk_gen-asm-offsets
(set -e; \
@@ -219,13 +224,11 @@ define filechk_gen-asm-offsets
echo ""; )
endef
-$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s
+$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
$(call filechk,gen-asm-offsets)
-CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
-
$(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
@echo ' SYMLINK $@'
- $(Q) ln -sf ../../../include/asm-um/asm-offsets.h $@
+ $(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
-export SUBARCH USER_CFLAGS OS
+export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS