Messages in this thread | | | Date | Wed, 22 Feb 2006 17:03:44 -0800 (PST) | Subject | Re: sys_mmap2 on different architectures | From | "David S. Miller" <> |
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From: "H. Peter Anvin" <hpa@zytor.com> Date: Wed, 22 Feb 2006 16:59:04 -0800
> On the other hand, sys32_mmap2 on SPARC64 matches the SPARC32 sys_mmap2 > in that the shift is hard-coded to 12: > > .globl sys32_mmap2 > sys32_mmap2: > sethi %hi(sys_mmap), %g1 > jmpl %g1 + %lo(sys_mmap), %g0 > sllx %o5, 12, %o5
Another good catch...
> At this point, I'm more than willing to treat SPARC as a special case, > but I really want to know what the rules actually _ARE_ as opposed to > what they are supposed to be (which they clearly are not.)
I have to admit I'm totally stumped...
Why are you invoking mmap2() instead of mmap64() btw? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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