OPPO Kernel Craftsman

Apr 12, 2024 · Fundamentals

Stack Unwinding on AArch64: Frame‑Pointer and DWARF .eh_frame/.debug_frame Implementations

The article explains how AArch64 stack unwinding works using both frame‑pointer based methods and DWARF .eh_frame/.debug_frame CFI data, detailing the calling convention, compiler effects, CIE/FDE structures, and their integration into Android’s simpleperf profiler for accurate back‑traces.