Struct Function

Source

pub struct Function {
    pub name: String,
    pub gen: Vec<Vec<u8>>,
    pub esymbols: Vec<ExternSymbol>,
    pub vars: Vec<Variabel>,
    /* private fields */
}

Expand description

The Function class is a handler for the code generation of one function

Fields§

§name: String§gen: Vec<Vec<u8>>§esymbols: Vec<ExternSymbol>§vars: Vec<Variabel>

Implementations§

Source §

impl Function

Source

pub fn new(name: &str, adrmng: &mut AdressManager) -> Function

Examples found in repository ?

examples/jit.rs (lines 7-10)

5pub fn main() -> Result<()> {
6    let mut adr = AdressManager::new((0, 0));
7    let mut func = Function::new(
8        "five",
9        &mut adr
10    );
11
12    func.ret_int(5);
13
14    unsafe {
15        let typed = func.typed::<(), u32>().unwrap();
16        let res = typed();
17
18        println!("5 = {}", res);
19    };
20
21    Ok(())
22}

Source

pub fn asm_ret(&mut self) -> &mut Self

Adds a return

Source

pub fn asm_mov(&mut self, reg: REGISTER, value: u64) -> &mut Self

Adds a assembly mov command

Source

pub fn asm_mov_reg(&mut self, from: REGISTER, to: REGISTER) -> &mut Self

Adds a assembly mov from register to register command

Source

pub fn asm_adc(&mut self, reg: REGISTER, value: u64) -> &mut Self

Adds a assembly adc command

Source

pub fn asm_adc_reg(&mut self, dest: REGISTER, src: REGISTER) -> &mut Self

Adds a assembly adc command which adds the registers together

Source

pub fn ret_int(&mut self, value: u64) -> &mut Self

Returns an intenger

Examples found in repository ?

examples/simple.rs (line 9)

4pub fn main() -> Result<(), ArtifactError>{
5    let mut builder = Builder::new();
6
7    let func = builder.add_function("call");
8    func.call("callme");
9    func.ret_int(5);
10
11    builder.build("test.o")?;
12
13    Ok(())
14}

More examples

Hide additional examples

examples/jit.rs (line 12)

5pub fn main() -> Result<()> {
6    let mut adr = AdressManager::new((0, 0));
7    let mut func = Function::new(
8        "five",
9        &mut adr
10    );
11
12    func.ret_int(5);
13
14    unsafe {
15        let typed = func.typed::<(), u32>().unwrap();
16        let res = typed();
17
18        println!("5 = {}", res);
19    };
20
21    Ok(())
22}

Source

pub fn asm_call(&mut self, adr: u32) -> &mut Self

Adds an call to the adress

Source

pub fn call(&mut self, dest: &str) -> &mut Self

Calls a function with the name of dest

Examples found in repository ?

examples/simple.rs (line 8)

4pub fn main() -> Result<(), ArtifactError>{
5    let mut builder = Builder::new();
6
7    let func = builder.add_function("call");
8    func.call("callme");
9    func.ret_int(5);
10
11    builder.build("test.o")?;
12
13    Ok(())
14}