smoke_asm_test.nx source
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1// smoke_asm_test.nx -- run nxasm_v2 on a small RV64 asm snippet + assert
2// that it produces non-zero output.
3
4import "syscalls.nx"
5import "nxasm_v2.nx"
6
7func main() -> i64 {
8 // A tiny program: main exits 30 via syscall.
9 let s: *u8 = " .text\n .globl main\nmain:\n addi sp, sp, -16\n sd ra, 8(sp)\n li a0, 30\n li a1, 0\n li a2, 0\n li a7, 93\n ecall\n mv a0, a0\n ld ra, 8(sp)\n addi sp, sp, 16\n ret\n"
10 var sl: i64 = 0
11 while s[sl] != 0 { sl = sl + 1 }
12
13 let out: *u8 = alloc(1024)
14 let n: i64 = assemble(s, sl, out, 1024)
15 if n <= 0 { return __syscall(93, 99, 0, 0, 0, 0, 0) }
16 return __syscall(93, n & 0xFF, 0, 0, 0, 0, 0)
17}