fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / um / Makefile

diff --git a/arch/um/Makefile b/arch/um/Makefile
index c58b657..5d5ed72 100644 (file)
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -1,4 +1,7 @@
-# 
+#
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies.
+#
 # Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
 # Licensed under the GPL
 #
@@ -17,7 +20,7 @@ core-y                        += $(ARCH_DIR)/kernel/          \
 
 # Have to precede the include because the included Makefiles reference them.
 SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \
-       module.h vm-flags.h elf.h ldt.h
+       module.h vm-flags.h elf.h host_ldt.h
 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))
 
 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
@@ -61,9 +64,14 @@ CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
 
 AFLAGS += $(ARCH_INCLUDE)
 
-USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
-USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
-       $(MODE_INCLUDE) -D_FILE_OFFSET_BITS=64
+USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
+       $(patsubst -I%,,$(CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
+       -D_FILE_OFFSET_BITS=64
+
+include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
+
+#This will adjust *FLAGS accordingly to the platform.
+include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
 
 # -Derrno=kernel_errno - This turns all kernel references to errno into
 # kernel_errno to separate them from the libc errno.  This allows -fno-common
@@ -71,15 +79,11 @@ USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
 # errnos.
 # These apply to kernelspace only.
 
-CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
-       -Dmktime=kernel_mktime
+KERNEL_DEFINES = -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
+       -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)
+CFLAGS += $(KERNEL_DEFINES)
 CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
 
-include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
-
-#This will adjust *FLAGS accordingly to the platform.
-include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
-
 # These are needed for clean and mrproper, since in that case .config is not
 # included; the values here are meaningless
 
@@ -88,17 +92,18 @@ CONFIG_KERNEL_HALF_GIGS ?= 0
 
 SIZE = (($(CONFIG_NEST_LEVEL) + $(CONFIG_KERNEL_HALF_GIGS)) * 0x20000000)
 
-.PHONY: linux
+PHONY += linux
 
 all: linux
 
 linux: vmlinux
-       ln -f $< $@
+       @echo '  LINK $@'
+       $(Q)ln -f $< $@
 
 define archhelp
   echo '* linux                - Binary kernel image (./linux) - for backward'
   echo '                  compatibility only, this creates a hard link to the'
-  echo '                  real kernel binary, the the "vmlinux" binary you'
+  echo '                  real kernel binary, the "vmlinux" binary you'
   echo '                  find in the kernel root.'
 endef
 
@@ -114,6 +119,10 @@ 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 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
@@ -126,7 +135,7 @@ CPPFLAGS_vmlinux.lds = -U$(SUBARCH) \
        -DSTART=$(START) -DELF_ARCH=$(ELF_ARCH) \
        -DELF_FORMAT="$(ELF_FORMAT)" $(CPP_MODE-y) \
        -DKERNEL_STACK_SIZE=$(STACK_SIZE) \
-       -DUNMAP_PATH=arch/um/sys-$(SUBARCH)/unmap_fin.o
+       -DUNMAP_PATH=arch/um/sys-$(SUBARCH)/unmap.o
 
 #The wrappers will select whether using "malloc" or the kernel allocator.
 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
@@ -147,8 +156,7 @@ CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
        $(ARCH_DIR)/include/user_constants.h \
        $(ARCH_DIR)/include/kern_constants.h $(ARCH_DIR)/Kconfig.arch
 
-MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \
-       $(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os
+MRPROPER_FILES += $(ARCH_SYMLINKS)
 
 archclean:
        @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
@@ -157,6 +165,7 @@ archclean:
 $(SYMLINK_HEADERS):
        @echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
+       $(Q)mkdir -p $(objtree)/include/asm-um
        $(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 else
        $(Q)cd $(TOPDIR)/$(dir $@) ; \
@@ -166,7 +175,7 @@ endif
 include/asm-um/arch:
        @echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-       $(Q)mkdir -p include/asm-um
+       $(Q)mkdir -p $(objtree)/include/asm-um
        $(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch
 else
        $(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
@@ -200,8 +209,8 @@ 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; \
@@ -216,13 +225,11 @@ 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