fridtjof/qemu-cr16
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tracetool/simple: add Rust support

Browse source 
Signed-off-by: Tanish Desai <tanishdesai37@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20250929154938.594389-13-pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Tanish Desai 2025-09-29 17:49:34 +02:00 • committed by Stefan Hajnoczi
parent 357f926979
commit 42f73f264a
3 changed files with 49 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
scripts/tracetool/backend/simple.py
View file

@ -98,3 +98,10 @@ def generate_c(event, group):
out(' trace_record_finish(&rec);',
'}',
'')
def generate_rs(event, group):
out(' extern "C" { fn _simple_%(api)s(%(rust_args)s); }',
' unsafe { _simple_%(api)s(%(args)s); }',
api=event.api(),
rust_args=event.args.rust_decl_extern(),
args=event.args.rust_call_extern())

40
tests/tracetool/simple.rs Normal file
View file

@ -0,0 +1,40 @@
// 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;
}
extern "C" {
static mut _TRACE_TEST_BLAH_DSTATE: u16;
static mut _TRACE_TEST_WIBBLE_DSTATE: u16;
}
#[inline(always)]
#[allow(dead_code)]
pub fn trace_test_blah(_context: *mut (), _filename: &std::ffi::CStr)
{
if trace_event_state_is_enabled(unsafe { _TRACE_TEST_BLAH_DSTATE}) {
extern "C" { fn _simple_trace_test_blah(_context: *mut (), _filename: *const std::ffi::c_char); }
unsafe { _simple_trace_test_blah(_context, _filename.as_ptr()); }
}
}
#[inline(always)]
#[allow(dead_code)]
pub fn trace_test_wibble(_context: *mut (), _value: std::ffi::c_int)
{
if trace_event_state_is_enabled(unsafe { _TRACE_TEST_WIBBLE_DSTATE}) {
extern "C" { fn _simple_trace_test_wibble(_context: *mut (), _value: std::ffi::c_int); }
unsafe { _simple_trace_test_wibble(_context, _value); }
}
}

2
tests/tracetool/tracetool-test.py
View file

@ -14,6 +14,8 @@ def get_formats(backend):
"c",
"h",
]
if backend in {"simple"}:
formats += ["rs"]
if backend == "dtrace":
formats += [
"d",