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7b12b91379
*) Rather than duplicate in various buggy ways the application of CFLAGS_NO_HARDENING and UNPROFILE (which apply to the same files), centralize it in Makefile.rules. UNPROFILE_OBJS mustn't be listed in USER_OBJS but are compiled as such. I've also verified that unprofile didn't work in the current form, because we set _c_flags directly (using CFLAGS and not USER_CFLAGS, which is wrong), which is normally used by c_flags, but we also override c_flags for all USER_OBJS, and there we don't call unprofile. Instead it only worked for unmap.o, the only one which wasn't a USER_OBJ. We need to set c_flags (which is not a public Kbuild API) to clear a lot of compilation flags like -nostdinc which Kbuild forces on everything. *) Rather than $(CFLAGS_$(notdir $@)), which expands to CFLAGS_anObj.s when building "anObj.s", use $(CFLAGS_$(*F).o) which always accesses CFLAGS_anObj.o, like done by Kbuild. *) Make c_flags apply to all targets having the same basename, rather than listing .s, .i, .lst and .o, with the use (which I tested) of $(USER_OBJS:.o=.%): c_flags = ... and of - $(obj)/unmap.c: _c_flags = ... + $(obj)/unmap.%: _c_flags = ... Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
23 lines
659 B
Makefile
23 lines
659 B
Makefile
obj-y = bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
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ptrace_user.o signal.o sigcontext.o syscalls.o sysrq.o \
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sys_call_table.o tls.o
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obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
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subarch-obj-y = lib/bitops.o kernel/semaphore.o
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subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o
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subarch-obj-$(CONFIG_MODULES) += kernel/module.o
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USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
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USER_OBJS += user-offsets.s
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extra-y += user-offsets.s
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extra-$(CONFIG_MODE_TT) += unmap.o
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UNPROFILE_OBJS := stub_segv.o
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CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
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include arch/um/scripts/Makefile.rules
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$(obj)/unmap.%: _c_flags = $(call unprofile,$(CFLAGS))
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