Re: [PATCH] Put the BUG __FILE__ and __LINE__ info out of line

From: Andi Kleen
Date: Thu Sep 28 2006 - 03:16:35 EST

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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