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understanding it 6 months from now.
While I'm at it, try to make it a little more efficient (because 50-60% of
time in a typical profiling run is spent in the function-entry counting),
and collapse profil.c into gmon.c.
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interrupted) rather than LR (the return address from the function we
interrupted).
Also, change u_short and u_int to unsigned short and unsigned int, since
gcc recently decided that those aren't part of the C99 standard.
Finally, add profilable versions of memcpy, memset, and friends, because
they get called a lot in the course of unit testing, and it would be nice
to know who's calling them.
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A previous version of this code ran over the RTOS, where threads used the
Process Stack, while the SysTick interrupt used the Main Stack. Now
everything's on the main stack, so we need to account for 2 extra words
that SysTick_Handler pushes on the stack at entry.
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interrupted) rather than LR (the return address from the function we
interrupted).
Also, change u_short and u_int to unsigned short and unsigned int, since
gcc recently decided that those aren't part of the C99 standard.
Finally, add profilable versions of memcpy, memset, and friends, because
they get called a lot in the course of unit testing, and it would be nice
to know who's calling them.
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A previous version of this code ran over the RTOS, where threads used the
Process Stack, while the SysTick interrupt used the Main Stack. Now
everything's on the main stack, so we need to account for 2 extra words
that SysTick_Handler pushes on the stack at entry.
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