Messages in this thread |  | | | Date | Thu, 16 Jul 2009 16:16:45 -0400 | | From | Masami Hiramatsu <> | | Subject | Re: [PATCH -tip -v12 02/11] x86: x86 instruction decoder build-time selftest |
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Sam Ravnborg wrote: >>>> + cmd_posttest = objdump -d $(objtree)/vmlinux | awk -f $(srctree)/arch/x86/scripts/distill.awk | $(obj)/test_get_len >>>> + >>> You are using the native objdump here. >>> But I assume this fails miserably when you build x86 on a powerpc host. >>> In other words - you broke an allyesconfig build for -next... >>> We have $(OBJDUMP) for this. >> Ah, I see... Would you know actual name of x86-objdump on the powerpc >> (or any other crosscompiling host)? I just set "OBJDUMP=objdump" is OK? >> I'm not so sure about cross-compiling kernel... > > Replacing objdump with $(OBJDUMP) will do the trick. > We set OBJDUMP to the correct value in the top-level makefile. > > Are there any parts of your user-space program that rely > on the host is little-endian? > If it does then it would fail on a power-pc target despite using the > correct objdump.
Hmm, as far as I can see, the result of get_next() macro with the types more than two bytes(s16, s32...) might be effected. But it doesn't effect get_insn_len test because those values are ignored.
Thank you,
-- Masami Hiramatsu
Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division
e-mail: mhiramat@redhat.com
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