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generic_fp stacktrace: aarch64 frame pointer may be 8 byte aligned

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Yikai Zhao 2024-05-24 19:33:00 +08:00 committed by Aliaksiej Kandracienka (aka Aliaksei Kandratsenka)
parent 7b9dc8e1fc
commit 38b19664d3
1 changed files with 5 additions and 1 deletions
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6
src/stacktrace_generic_fp-inl.h
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@ -177,8 +177,12 @@ int capture(void **result, int max_depth, int skip_count,
// older gcc's (circa gcc 6 or so) did something that looks right,
// but not recent ones).
constexpr uintptr_t kAlignment = 4;
#elif defined(__aarch64__)
// aarch64 ABI does not specify the frame pointer location, so we can only
// know it's 8 byte aligned (as the register size)
constexpr uintptr_t kAlignment = 8;
#else
// This is simplistic yet. Here we're targeting x86, aarch64 and
// This is simplistic yet. Here we're targeting x86 and
// riscv. They all have 16 bytes stack alignment (even 32 bit
// riscv). This can be made more elaborate as we consider more
// architectures.