gccjit 5.0.0

Higher-level Rust bindings for libgccjit.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94

use std::ffi::CString;
use std::marker::PhantomData;
use std::os::raw::c_int;

use crate::with_lib;

use {lvalue, object, rvalue, Context, LValue, Object, RValue, ToObject};

#[derive(Copy, Clone)]
pub struct ExtendedAsm<'ctx> {
    marker: PhantomData<&'ctx Context<'ctx>>,
    ptr: *mut gccjit_sys::gcc_jit_extended_asm,
}

impl<'ctx> ToObject<'ctx> for ExtendedAsm<'ctx> {
    fn to_object(&self) -> Object<'ctx> {
        with_lib(|lib| unsafe {
            let ptr = lib.gcc_jit_extended_asm_as_object(self.ptr);
            object::from_ptr(ptr)
        })
    }
}

impl<'ctx> ExtendedAsm<'ctx> {
    pub fn set_volatile_flag(&self, flag: bool) {
        with_lib(|lib| unsafe {
            lib.gcc_jit_extended_asm_set_volatile_flag(self.ptr, flag as c_int);
        })
    }

    pub fn set_inline_flag(&self, flag: bool) {
        with_lib(|lib| unsafe {
            lib.gcc_jit_extended_asm_set_inline_flag(self.ptr, flag as c_int);
        })
    }

    pub fn add_output_operand(
        &self,
        asm_symbolic_name: Option<&str>,
        constraint: &str,
        dest: LValue<'ctx>,
    ) {
        let asm_symbolic_name = asm_symbolic_name.map(|name| CString::new(name).unwrap());
        let asm_symbolic_name = match asm_symbolic_name {
            Some(name) => name.as_ptr(),
            None => std::ptr::null_mut(),
        };
        let constraint = CString::new(constraint).unwrap();
        with_lib(|lib| unsafe {
            lib.gcc_jit_extended_asm_add_output_operand(
                self.ptr,
                asm_symbolic_name,
                constraint.as_ptr(),
                lvalue::get_ptr(&dest),
            );
        })
    }

    pub fn add_input_operand(
        &self,
        asm_symbolic_name: Option<&str>,
        constraint: &str,
        src: RValue<'ctx>,
    ) {
        let asm_symbolic_name = asm_symbolic_name.map(|name| CString::new(name).unwrap());
        let asm_symbolic_name = match asm_symbolic_name {
            Some(name) => name.as_ptr(),
            None => std::ptr::null_mut(),
        };
        let constraint = CString::new(constraint).unwrap();
        with_lib(|lib| unsafe {
            lib.gcc_jit_extended_asm_add_input_operand(
                self.ptr,
                asm_symbolic_name,
                constraint.as_ptr(),
                rvalue::get_ptr(&src),
            );
        })
    }

    pub fn add_clobber(&self, victim: &str) {
        let victim = CString::new(victim).unwrap();
        with_lib(|lib| unsafe {
            lib.gcc_jit_extended_asm_add_clobber(self.ptr, victim.as_ptr());
        })
    }

    pub unsafe fn from_ptr(ptr: *mut gccjit_sys::gcc_jit_extended_asm) -> Self {
        Self {
            marker: PhantomData,
            ptr,
        }
    }
}