[Webkit-unassigned] [Bug 28886] Build error using JIT with gcc 4.1.2 and ARM v5

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Sep 11 09:31:15 PDT 2009


--- Comment #21 from Gabor Loki <loki at inf.u-szeged.hu>  2009-09-11 09:31:13 PDT ---
> 2./ It might be better to use the CLEAR_INSN_CACHE guard to test if
> __clear_cache is available than testing for a specific GCC version. Andre can
> you see if CLEAR_INSN_CACHE is defined in your environment.

CLEAR_INSN_CACHE is definied in gcc/config/arm/linux-eabi.h (GCC source), but
it is not explicitly exported. You can check the predefinied macros with 'gcc
-c -E -dM empty.file' command.

So, we are not able to use CLEAR_INSN_CACHE. The current guard it better. The
_clear_cache function is available since GCC 3.4.6 from lib1funcs.asm.

Btw, please use '#else' directive instead of '#elif' without expression.

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