在 2012年1月6日 上午11:32，Fredrick <fjohnber@zoho.com>写道：
Hi,
I am not able to understand the DEFINE macro used in arch/powerpc/kernel/asm-offsets.c
I suppose the DEFINE is present in include/linux/kbuild.h where it says #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
What does the above mean?
-Fredrick
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Oh, This is the inline ASM in gcc, pls refer to http://ibiblio.org/gferg/ldp/GCC-Inline-Assembly-HOWTO.html -- ======================================= Pixelworks Room 301-303 No. 88,Lane 887 Zuchongzhi Road, Zhangjiang Hi-tech Park, Shanghai 201203, China Best Regards, Jun zhao/赵军 +++++++++++++++++++++++++++++++++++++++