tree 53dd2c0dec213c89a777ffddd77ebb6ac58d98bd
parent eb9c66da62ac8bcd6e6c33c093b4df6184d00eb1
author Fangrui Song <i@maskray.me> 1645575957 -0800
committer Copybara-Service <copybara-worker@google.com> 1645576111 -0800

[libFuzzer] Refactor GetNextInstructionPc/GetPreviousInstructionPc

Port the change to compiler-rt/lib/fuzzer/FuzzerTracePC.cpp .
Update RISCV to use PC-2: this is coarse (C extension may be disabled) but
sufficient for pure symbolization purpose.

The commit is separate from D120362 so that bisecting/reverting is easier.

GitOrigin-RevId: fc0bd3c2cee929ffbd75b5cca486f4c77f7d5c59