Messages in this thread | | | Date | Mon, 21 Apr 2008 08:11:18 +0200 | From | Sam Ravnborg <> | Subject | Re: [PATCH] Stringify support commas |
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On Sun, Apr 20, 2008 at 05:21:24PM -0400, Mathieu Desnoyers wrote: > * Sam Ravnborg (sam@ravnborg.org) wrote: > > On Sun, Apr 20, 2008 at 02:32:56PM -0400, Mathieu Desnoyers wrote: > > > #define MYDEF a, b, c > > > > > > __stringify(MYDEF) should be replaced by "a, b, c", but compilation fails > > > because the __stringify macro expects only one argument. Fix it by using > > > variable macro arguments in __stringify and __stringify_1. > > > > > > Needed in my current NMI safe iret paravirt support work so I can expand > > > a macro containing assembly code into a string. > > > > This is a no-no for those archs that still use -traditional. > > I dunno if this is a problem for you at the moment and the > > right fix is anyway to nuke -traditional. > > > > Sam > > A quick grep through arch/ gives me the following : > > arch/cris/arch-v10/boot/compressed/Makefile > @$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@ > arch/cris/arch-v10/boot/rescue/Makefile > asflags-y += -traditional > arch/cris/arch-v10/lib/Makefile > EXTRA_AFLAGS := -traditional > arch/h8300/boot/compressed/Makefile > EXTRA_AFLAGS := -traditional > arch/m32r/boot/compressed/Makefile > EXTRA_AFLAGS := -traditional > arch/m32r/kernel/Makefile > EXTRA_AFLAGS := -traditional > arch/m68k/fpsp040/Makefile > EXTRA_AFLAGS := -traditional > arch/m68k/ifpsp060/Makefile > EXTRA_AFLAGS := -traditional > arch/m68k/kernel/Makefile > EXTRA_AFLAGS := -traditional > arch/m68k/lib/Makefile > EXTRA_AFLAGS := -traditional > arch/m68k/math-emu/Makefile > EXTRA_AFLAGS := -traditional > arch/parisc/kernel/Makefile > AFLAGS_entry.o := -traditional > AFLAGS_pacache.o := -traditional > arch/powerpc/boot/Makefile > BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc > arch/s390/kernel/Makefile > EXTRA_AFLAGS := -traditional > arch/s390/lib/Makefile > EXTRA_AFLAGS := -traditional > arch/s390/math-emu/Makefile > EXTRA_AFLAGS := -traditional > arch/sh/boot/compressed/Makefile_32 > EXTRA_AFLAGS := -traditional > arch/sh/boot/compressed/Makefile_64 > EXTRA_AFLAGS := -traditional > > Would their removal break something ? I do not recall why they were added but removing -traditional from x86 was painless. So a simple approach would be to send a patch towards the arch maintainers. But even better to try it out with a cross toolchain first. Any breakage should be obvious.
Sam
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