Hi Ken: I'm assuming you can speak to this because your email address is in memcpy_mck.S. The removal of -ffreestanding compiler flag in 2.6.17-rcX (commit id 6edfba1b33c701108717f4e036320fc39abe1912) causes strcpy calls with a known size for the source string to be replaced with memcpy which is faster. ia64 memcpy has return values which are unlike stdlibc and the other arch memcpy routines examined by me in the kernel. The ia64 return values are 0 for success and number of bytes copied for failure. Thus any instance of pointer = strcpy(dest, "some string") has zero assigned to pointer. I detected this when testing kgdb on 2.6.17-rc3. The implementation in memcpy_mck.S doesn't leave a single scratch register or predicate. I didn't pursue very long for a solution. thanks, bob - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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