#include #include static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) { // This ensures the vDSO is a direct link-time dependency of anything that // needs this initializer code. #pragma comment(lib, "zircon") uint32_t features; zx_status_t status = _zx_system_get_features(ZX_FEATURE_KIND_CPU, &features); __aarch64_have_lse_atomics = status == ZX_OK && (features & ZX_ARM64_FEATURE_ISA_ATOMICS) != 0; }