[issue13405] Add DTrace probes

[Jesús Cea Avión]

Jesús Cea Avión <jcea at jcea.es> added the comment:

Based on work done by skip.montanaro for issue4111.

05fde8943685.diff compiles correctly under Solaris 10 & derivatives, both in 32 and 64 bits.

I am working on 2.7 because I consider this feature important enough for providing a patch against 2.7, available to interested users. Of course, the plan is to integrate in 3.3 natively.

Currently the patch define two probes: function__entry and function__return. Both have three parameters: source code file, function and linenumber.

The code doesn't work under MacOS, I guess, and I can't help there.

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