Messages in this thread | | | Date | 28 Sep 2006 09:16:17 +0200 | Date | Thu, 28 Sep 2006 09:16:17 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] Put the BUG __FILE__ and __LINE__ info out of line |
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On Wed, Sep 27, 2006 at 11:00:03PM -0700, Jeremy Fitzhardinge wrote: > When CONFIG_DEBUG_BUGVERBOSE is enabled, the embedded file and line > information makes a disassembler very unhappy, because it tries to > parse them as instructions (it probably makes the CPU's instruction > decoder a little unhappy too). > > This patch moves them out of line, and calls the ud2 from the code - > the call makes sure the original %eip is available on the top of the > stack. The result is a happy disassembler, with no loss of debugging > information.
x86-64 has a much better solution for this. Please copy that one.
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