Jumptables: How painful to hack?
Ian Lance Taylor
Wed Mar 31 07:57:00 GMT 1999
Date: Tue, 30 Mar 1999 21:09:18 -0800
From: Jason Merrill <email@example.com>
A question for folks who have worked on BFD for a while: How horrible are
jumptables to deal with? I'm looking at parameterizing the g++ ABI, and am
strongly considering that as an implementation strategy.
I started to reply, but then I realized that it depends upon what you
mean by the g++ ABI. Do you mean the code that g++ generates, or do
you mean the files in gcc/cp? The former already uses jumptables, of
course, since that's what virtual functions are, and I'm not sure in
what sense the latter has an ABI.
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