I'm playing with patching the perl source and am attempting to create a new super global variable for nefarious purposes. I've added the following code to one of the opcodes in pp_ctl.c:

SV* super_i;
super_i = get_sv("main::buu_test_i", TRUE);
SvIV_set(super_i, 42);
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Which *seems* to work properly. Unfortunately once I compile I can't seem to access my new variable from perl code. That is, when I try to print out what I think is the variable I just set I get undef. Do I need some special magic to make it accessible from perl, or do I need a specific perl command to invoke it? (I've tried $buu_test_i, $main::buu_test_i, and so on).

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