Oddity with address recorded for gcc instrumentation on ARM
Ryan Long
ryan.long at oarcorp.com
Fri Dec 18 19:51:36 UTC 2020
Hi,
We turned on gcc instrumentation with a test function, and got the following records.
Timestamp Channel CPU Event type Contents TID Prio PID Source
18:00:06.483 017 719 stream_0 0 FUNCTION_ENTRY code=0x104ec7 167837716 0 167837716
18:00:06.483 371 019 stream_0 0 FUNCTION_EXIT code=0x104ec7 167837716 0 167837716
Notice that the code value ends in "7". The actual address of the function is 0x104ec6.
Can someone explain this?
Thanks,
Ryan
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