Messages in this thread | | | Date | Tue, 11 Mar 2014 21:58:44 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v5 0/7] arm64: Add ftrace support |
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On Wed, 12 Mar 2014 10:47:20 +0900 AKASHI Takahiro <takahiro.akashi@linaro.org> wrote:
> This happens when a header file, elf.h, on "your host machine" does not have > definitions of EM_AARCH64 nor R_AARCH64_ABS64 because "recordmcount" is a binary > utility on host(x86), not target. It is very likely for most distros. > (I mentioned this in the cover letter, but the description might not be clear.) > > Possible solutions are: > 1) Define both macros directly in scripts/recordmcount.c > 2) Use perl version of recordmcount > > Currently I take 1), but it is a workaround. > 2) should work with my current patch, too. But you need to remove HAVE_C_RECORDCOUNT > from arm64/Kconfig. > > Which one do you prefer? I will include a fix for 1) in the next revision, anyway. >
I'd recommend #1, where you add this:
/* AARCH64 is new, and most headers don't define it. */ #ifndef EM_AARCH64 #define EM_AARCH64 ## #define R_AARCH64_ABS64 ## #endif
Obviously fill in the blank for ##
-- Steve
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