Messages in this thread | | | Date | Wed, 25 Jul 2007 10:03:15 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH][RFC] getting rid of stupid loop in BUG() |
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Jeremy Fitzhardinge wrote: > Linus Torvalds wrote: >> .. and I'm pretty sure it's immaterial. >> >> We don't just do the "ud2" instruction - we also do the file and line >> number information after it. Which means that __builtin_trap() is useless. >> > > No, not any more. The file and line info is out of line, in a separate > section, indexed by the ud2a's eip. The main problem with > __builtin_trap is that there's no certain way to get the actual ud2a eip > (ie, paste an asm label onto it). >
Same difference, then...
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