2006-03-28 23:00:00

by Jeff Dike

[permalink] [raw]
Subject: [PATCH 4/10] UML - Clean up remapping code build magic

From: Al Viro <[email protected]>
uml: kills unmap magic

Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Jeff Dike <[email protected]>

arch/um/Makefile | 2 +-
arch/um/scripts/Makefile.unmap | 22 ----------------------
arch/um/sys-i386/Makefile | 5 +++--
arch/um/sys-x86_64/Makefile | 5 +++--
4 files changed, 7 insertions(+), 27 deletions(-)
delete mode 100644 arch/um/scripts/Makefile.unmap

Index: linux-2.6.16-mm/arch/um/Makefile
===================================================================
--- linux-2.6.16-mm.orig/arch/um/Makefile 2006-03-28 09:30:36.000000000 -0500
+++ linux-2.6.16-mm/arch/um/Makefile 2006-03-28 09:34:20.000000000 -0500
@@ -129,7 +129,7 @@ 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
Index: linux-2.6.16-mm/arch/um/scripts/Makefile.unmap
===================================================================
--- linux-2.6.16-mm.orig/arch/um/scripts/Makefile.unmap 2005-10-28 12:58:12.000000000 -0400
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,22 +0,0 @@
-clean-files += unmap_tmp.o unmap_fin.o unmap.o
-
-ifdef CONFIG_MODE_TT
-
-#Always build unmap_fin.o
-extra-y += unmap_fin.o
-#Do dependency tracking for unmap.o (it will be always built, but won't get the tracking unless we use this).
-targets += unmap.o
-
-#XXX: partially copied from arch/um/scripts/Makefile.rules
-$(obj)/unmap.o: _c_flags = $(call unprofile,$(CFLAGS))
-
-quiet_cmd_wrapld = LD $@
-define cmd_wrapld
- $(LD) $(LDFLAGS) -r -o $(obj)/unmap_tmp.o $< ; \
- $(OBJCOPY) $(UML_OBJCOPYFLAGS) $(obj)/unmap_tmp.o $@ -G switcheroo
-endef
-
-$(obj)/unmap_fin.o : $(obj)/unmap.o FORCE
- $(call if_changed,wrapld)
-
-endif
Index: linux-2.6.16-mm/arch/um/sys-i386/Makefile
===================================================================
--- linux-2.6.16-mm.orig/arch/um/sys-i386/Makefile 2006-03-28 09:34:18.000000000 -0500
+++ linux-2.6.16-mm/arch/um/sys-i386/Makefile 2006-03-28 09:34:20.000000000 -0500
@@ -11,6 +11,7 @@ USER_OBJS := bugs.o ptrace_user.o sigcon

include arch/um/scripts/Makefile.rules

-$(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS))
+extra-$(CONFIG_MODE_TT) += unmap.o

-include arch/um/scripts/Makefile.unmap
+$(obj)/stub_segv.o $(obj)/unmap.o: \
+ _c_flags = $(call unprofile,$(CFLAGS))
Index: linux-2.6.16-mm/arch/um/sys-x86_64/Makefile
===================================================================
--- linux-2.6.16-mm.orig/arch/um/sys-x86_64/Makefile 2006-03-28 09:34:18.000000000 -0500
+++ linux-2.6.16-mm/arch/um/sys-x86_64/Makefile 2006-03-28 09:34:20.000000000 -0500
@@ -19,6 +19,7 @@ USER_OBJS := ptrace_user.o sigcontext.o

include arch/um/scripts/Makefile.rules

-$(obj)/stub_segv.o: _c_flags = $(call unprofile,$(CFLAGS))
+extra-$(CONFIG_MODE_TT) += unmap.o

-include arch/um/scripts/Makefile.unmap
+$(obj)/stub_segv.o $(obj)/unmap.o: \
+ _c_flags = $(call unprofile,$(CFLAGS))