Function minimal_output

crates/asm-to-binary/tests/elf_output.rs:37–58

Build a minimal assembled program: _start calls main, main returns 42.

()

            .try_into()
            .expect("ELF field should have the expected width"),
    )
}
fn u64_le(buf: &[u8], off: usize) -> u64 {
    u64::from_le_bytes(
        buf[off..off + 8]
            .try_into()
            .expect("ELF field should have the expected width"),
    )
}

// Build a minimal program: _start calls main, main returns 42.
fn minimal_tokens() -> Vec<RvInstruction> {
    let a7: u8 = 17;
    let a0: u8 = 10;
    let ra: u8 = 1;

    vec![
        RvInstruction::Directive(".text".to_owned()),
        RvInstruction::Label("_start".to_owned()),
        RvInstruction::Pseudo(PseudoInstruction::Call {
            symbol: "main".to_owned(),
        }),
        RvInstruction::Pseudo(PseudoInstruction::Li { rd: a7, imm: 93 }),
        RvInstruction::Real(RealInstruction::Ecall(Ecall)),
        RvInstruction::Label("main".to_owned()),