> On Mon, Dec 23, 2013 at 10:51:43AM -0500, Landon Fuller wrote: >> Other than performance overhead, would there be any reason to not >> enable it by default? > > some ports, suchs as the go port, can not build with trace mode enabled. > they need DYLD_INSERT_LIBRARIES to be empty or rely on other > implementation details of the linker (such as not calling malloc(3)).
Ah, right. AFAIK, Go also directly issues syscalls, which would end-run this implementation. -landonf
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