In message <Pine.LNX.4.44.0211181040490.24137-100000@chaos.physics.uiowa.edu> y
ou write:
> On Fri, 15 Nov 2002, Richard Henderson wrote:
>
> > [...]
> >
> > ld -T z.ld -shared -o z.so z.o
>
> BTW, this reminds me of something various people and me have been thinking
> about for some time, i.e. postprocessing the .o files to generate the
> actual module object.
See below, I made it go via ".raw.o" (this code is from the module
alias / device tables patch). Renaming the .o files to ".mod" or
".kso" is probably cleaner and clearer.
Cheers,
Rusty.
-- Anyone who quotes me in their sig is an idiot. -- Rusty Russell.diff -urpN --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal working-2.5-bk-devicetable-base/scripts/Makefile.build working-2.5-bk-devicetable/scripts/Makefile.build --- working-2.5-bk-devicetable-base/scripts/Makefile.build 2002-11-13 18:54:56.000000000 +1100 +++ working-2.5-bk-devicetable/scripts/Makefile.build 2002-11-14 03:41:30.000000000 +1100 @@ -91,7 +91,8 @@ cmd_cc_i_c = $(CPP) $(c_flags) - quiet_cmd_cc_o_c = CC $@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< -%.o: %.c FORCE +# Not for modules +$(sort $(objs-y) $(multi-objs)) %.o: %.c FORCE $(call if_changed_dep,cc_o_c) quiet_cmd_cc_lst_c = MKLST $@ @@ -100,6 +101,16 @@ cmd_cc_lst_c = $(CC) $(c_flags) -g %.lst: %.c FORCE $(call if_changed_dep,cc_lst_c) +# Modules need to go via "finishing" step. +quiet_cmd_modfinish = FINISH $@ +cmd_modfinish = sh scripts/modfinish $< $@ + +$(patsubst %.o,%.raw.o,$(filter-out $(multi-used-m),$(obj-m))): %.raw.o: %.c + $(call if_changed_dep,cc_o_c) + +$(obj-m): %.o: %.raw.o + $(call cmd,modfinish) + # Compile assembler sources (.S) # --------------------------------------------------------------------------- @@ -161,7 +172,7 @@ targets += $(L_TARGET) endif # -# Rule to link composite objects +# Rule to link composite objects (builtin) # quiet_cmd_link_multi = LD $@ @@ -174,8 +185,16 @@ cmd_link_multi = $(LD) $(LDFLAGS) $(EXTR $(multi-used-y) : %.o: $(multi-objs-y) FORCE $(call if_changed,link_multi) -$(multi-used-m) : %.o: $(multi-objs-m) FORCE - $(call if_changed,link_multi) +# +# Rule to link composite objects (module) +# + +quiet_cmd_link_mmulti = LD $@ +cmd_link_mmulti = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(addprefix $(obj)/,$($(subst $(obj)/,,$(@:.raw.o=-objs))) $($(subst $(obj)/,,$(@:.raw.o=-y)))),$^) + +# Need finishing step +$(multi-used-m:.o=.raw.o) : %.raw.o: $(multi-objs-m) FORCE + $(call if_changed,link_mmulti) targets += $(multi-used-y) $(multi-used-m) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Nov 23 2002 - 22:00:26 EST