| # SPDX-License-Identifier: GPL-2.0-or-later |
| |
| """ |
| trace-DIR.rs |
| """ |
| |
| __author__ = "Tanish Desai <tanishdesai37@gmail.com>" |
| __copyright__ = "Copyright 2025, Tanish Desai <tanishdesai37@gmail.com>" |
| __license__ = "GPL version 2 or (at your option) any later version" |
| |
| __maintainer__ = "Stefan Hajnoczi" |
| __email__ = "stefanha@redhat.com" |
| |
| |
| from tracetool import out |
| |
| |
| def generate(events, backend, group): |
| out('// SPDX-License-Identifier: GPL-2.0-or-later', |
| '// This file is @generated by tracetool, do not edit.', |
| '', |
| '#[allow(unused_imports)]', |
| 'use std::ffi::c_char;', |
| '#[allow(unused_imports)]', |
| 'use util::bindings;', |
| '', |
| '#[inline(always)]', |
| 'fn trace_event_state_is_enabled(dstate: u16) -> bool {', |
| ' (unsafe { trace_events_enabled_count }) != 0 && dstate != 0', |
| '}', |
| '', |
| 'extern "C" {', |
| ' static mut trace_events_enabled_count: u32;', |
| '}',) |
| |
| out('extern "C" {') |
| |
| for e in events: |
| out(' static mut %s: u16;' % e.api(e.QEMU_DSTATE)) |
| out('}') |
| |
| backend.generate_begin(events, group) |
| |
| for e in events: |
| out('', |
| '#[inline(always)]', |
| '#[allow(dead_code)]', |
| 'pub fn %(api)s(%(args)s)', |
| '{', |
| api=e.api(e.QEMU_TRACE), |
| args=e.args.rust_decl()) |
| |
| if "disable" not in e.properties: |
| backend.generate(e, group, check_trace_event_get_state=False) |
| if backend.check_trace_event_get_state: |
| event_id = 'TRACE_' + e.name.upper() |
| out(' if trace_event_state_is_enabled(unsafe { _%(event_id)s_DSTATE}) {', |
| event_id = event_id, |
| api=e.api()) |
| backend.generate(e, group, check_trace_event_get_state=True) |
| out(' }') |
| out('}') |
| |
| backend.generate_end(events, group) |
