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This is a note I sent to Tom and Eric last night:
This suggests to me that the right thing to do isn't to piecemeal replace all the ptrace calls with froggy_ptrace--functionally, this buys us almost nothing other than the ability to aay "we don't use ptrace," and it slows things down.
I suspect the real answer is to write a new
gdb backend, based on gdb/config/i386/linux.mh (and, I guess,
gdb/config/i386/linux64.h). (Judging from something you said a while
back, this may have been obvious to you all along; I just got my Aha! a
couple hours ago.)
I've spent the last hour or so looking over the code represented by the
linux.mh config and adapting it to froggy is a long way from
trivial--several months, at a minimum, possibly as much as six months or
more.
After a bit more discussion today, it looks like this is the way we'll go. Eric would like to see it ready for Fedora 11, which freezes in April
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