PTAL - I moved to using a code stub to bridge the entry hook to a function
with
native calling conventions. I figure this can easily be supported and
tested on
all platforms/architectures?
Does ARM have a high-resolution on-chip timer?
Note that I don't think it makes sense to enable the profiling in absence
of the
rdtsc instruction on ia32/x64, where it has been fixed in late CPUs to make
an
excellent wall-clock timer. I'm not sure how I'd go about that, however.
Also, I'm unsure about using the GetEntryHookLocation method to test for
whether
profiling is enabled. Maybe it would be better to expose another method
IsProfilingEnabled or some such?
https://chromiumcodereview.appspot.com/10706002/
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