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AlainODea/stop_on_ld.d

Created March 23, 2014 17:15
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Using DTrace to stop (freeze, but not kill) a program when it runs ld (used to debug GHC issues)
Raw
stop_on_ld.d
#!/usr/sbin/dtrace -s
#pragma D option destructive
syscall::exec*:entry
/copyinstr(arg0) == "/usr/bin/ld"/
{
trace(pid);
stop();
system("pargs %d", pid);
exit(0);
}
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