mclangc/src/compiler/x86_64_linux_nasm/utils.rs
2024-03-14 09:13:01 +02:00

37 lines
724 B
Rust

pub const DBG_PRINT: &'static str = "
_dbg_print:
mov r9, -3689348814741910323
sub rsp, 40
mov BYTE [rsp+31], 10
lea rcx, [rsp+30]
.L2:
mov rax, rdi
lea r8, [rsp+32]
mul r9
mov rax, rdi
sub r8, rcx
shr rdx, 3
lea rsi, [rdx+rdx*4]
add rsi, rsi
sub rax, rsi
add eax, 48
mov BYTE [rcx], al
mov rax, rdi
mov rdi, rdx
mov rdx, rcx
sub rcx, 1
cmp rax, 9
ja .L2
lea rax, [rsp+32]
mov edi, 1
sub rdx, rax
xor eax, eax
lea rsi, [rsp+32+rdx]
mov rdx, r8
mov rax, 1
syscall
add rsp, 40
ret
";