diff options
| -rw-r--r-- | absl/debugging/internal/stacktrace_riscv-inl.inc | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/absl/debugging/internal/stacktrace_riscv-inl.inc b/absl/debugging/internal/stacktrace_riscv-inl.inc index ba0775b2..7123b71b 100644 --- a/absl/debugging/internal/stacktrace_riscv-inl.inc +++ b/absl/debugging/internal/stacktrace_riscv-inl.inc @@ -159,21 +159,6 @@ static void ** NextStackFrame(void **old_frame_pointer, const void *uc) { const uintptr_t max_size = STRICT_UNWINDING ? 100000 : 1000000; const uintptr_t frame_size = ComputeStackFrameSize(old_frame_pointer, new_frame_pointer); - - // If we have a alternate signal stack, the stack pointer may not be - // contiguous. In such a case, we can simply skip the check and assume that - // the non-contiguity is permissible. - if (frame_size == kUnknownFrameSize) { - assert(old_frame_pointer >= new_frame_pointer); - - stack_t ss{}; - if (sigaltstack(nullptr, &ss) == 0) { - if (ss.ss_flags & SS_DISABLE) - return nullptr; - return new_frame_pointer; - } - } - if (frame_size == kUnknownFrameSize || frame_size > max_size) return nullptr; } |