diff options
Diffstat (limited to 'arch/um/scripts')
| -rw-r--r-- | arch/um/scripts/Makefile.rules | 6 | ||||
| -rw-r--r-- | arch/um/scripts/Makefile.unmap | 22 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index 98346c71149..7459d09c233 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -10,6 +10,12 @@ USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file)) $(USER_OBJS) : c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) \ $(CFLAGS_$(notdir $@)) +# The stubs and unmap.o can't try to call mcount or update basic block data +define unprofile + $(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1))) +endef + + quiet_cmd_make_link = SYMLINK $@ cmd_make_link = ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir $@)-dir)/$(notdir $@) $@ diff --git a/arch/um/scripts/Makefile.unmap b/arch/um/scripts/Makefile.unmap new file mode 100644 index 00000000000..37a8f976529 --- /dev/null +++ b/arch/um/scripts/Makefile.unmap @@ -0,0 +1,22 @@ +clean-files += unmap_tmp.o unmap_fin.o unmap.o + +ifdef CONFIG_MODE_TT + +#Always build unmap_fin.o +extra-y += unmap_fin.o +#Do dependency tracking for unmap.o (it will be always built, but won't get the tracking unless we use this). +targets += unmap.o + +#XXX: partially copied from arch/um/scripts/Makefile.rules +$(obj)/unmap.o: _c_flags = $(call unprofile,$(CFLAGS)) + +quiet_cmd_wrapld = LD $@ +define cmd_wrapld + $(LD) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) -print-file-name=libc.a); \ + $(OBJCOPY) $(obj)/unmap_tmp.o $@ -G switcheroo +endef + +$(obj)/unmap_fin.o : $(obj)/unmap.o FORCE + $(call if_changed,wrapld) + +endif |