gen/
gen.rs

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//! Add example.
-//!
-//! Jit compile a function at runtime (generate native host code) which calls a function defined in
-//! the example based on the SystemV abi to demonstrate the [`juicebox_asm`] crate.
-
-#[cfg(not(any(target_arch = "x86_64", target_os = "linux")))]
-compile_error!("Only supported on x86_64 with SystemV abi");
-
-use juicebox_asm::insn::*;
-use juicebox_asm::{Asm, Imm16, Imm64, Imm8, Label, Reg16, Reg64::*, Runtime};
-use juicebox_asm::{MemOp, MemOp16, MemOp32, MemOp64, MemOp8};
-
-extern "C" fn add(a: u32, b: u32) -> u32 {
-    a + b
-}
-
-fn main() {
-    let mut asm1 = Asm::new();
-    asm1.xor(r11, r11);
-
-    assert!(0x7fu8 <= i8::MAX as u8);
-
-    asm1.add(MemOp::IndirectBaseIndex(rdi, r11), Imm8::from(0x10u8));
-    asm1.ret();
-
-    let code = asm1.into_code();
-    std::fs::write("jit.asm", &code).unwrap();
-
-    let mut asm2 = Asm::new();
-    asm2.mov(Reg16::cx, Imm16::from(1u16));
-    asm2.mov(MemOp::Indirect(rdi), Reg16::cx);
-    asm2.ret();
-
-    let mut rt = Runtime::new();
-    let fn1 = unsafe { rt.add_code::<extern "C" fn(*mut u64)>(code) };
-    let fn2 = unsafe { rt.add_code::<extern "C" fn(*mut u64)>(asm2.into_code()) };
-
-    let mut data = 0xffff_ffff_ffff_ff00u64;
-    fn1(&mut data as *mut u64);
-    println!("data={:x}", data);
-
-    let mut data = 0xffff_ffff_ffff_ffffu64;
-    fn2(&mut data as *mut u64);
-    println!("data={:x}", data);
-}
-

gen/gen.rs

gen/
gen.rs