Dynamic linking and undump/unexec

[Viktor Dukhovni]

While indeed undump may be tricky for Dynamic executables under SunOS 4.0,
I am sure it is not impossible.

I have just sent a shared library "unexec" to be used with emacs 19.0 to
the FSF,  I am using it now to reliably build a shared emacs-18.55 Emacs
uses its own malloc,   so all one needs to do on entry is adjust the
break.

I had at one point been undumping TeX succesfully with 4.0.1 again (undump
needed some modification),  but this was made easy by the fact that TeX
does not use malloc.

I have not tries to unexec any executables that use the shared malloc, so
I cannot comment on how this might be done.  I approach would be to use
your own malloc and link it statically into any program you plan to
undump.

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