Function kernel_cc_target_roundtrips

tests/integration/kernel_integration.rs:1599–1636

()

";

    let (outcome, uart) = run_tool_session(
        &["as", "ld"],
        &[("/a.s", a_s), ("/b.s", b_s)],
        "as /a.s /a.o\nas /b.s /b.o\nld /a.o /b.o /prog\nrun /prog\nexit\n",
        300_000_000,
    );

    assert!(!uart.contains("PANIC!"), "kernel panicked; uart={uart:?}");
    assert!(
        !uart.contains("unhandled exception"),
        "the linked program faulted; uart={uart:?}"
    );
    assert!(
        uart.contains("as: wrote /a.o") && uart.contains("as: wrote /b.o"),
        "assembler did not emit both objects; uart={uart:?}"
    );
    assert!(
        uart.contains("ld: wrote /prog"),
        "linker did not report success; uart={uart:?}"
    );
    assert!(
        uart.contains("[exit 42]"),
        "linked program did not exit 42 (relocations wrong?); uart={uart:?}"
    );
    assert!(
        matches!(outcome, StepOutcome::Halted(0)),
        "shell did not survive and exit cleanly; outcome={outcome:?} uart={uart:?}"
    );
}

// The client inlines no I/O, so puts/putc/exit resolve at link time against a
// separately assembled stdlib.s. Covers CALL_PLT, a local call, and PCREL_HI20.
#[test]
fn kernel_ld_links_stdlib_and_runs() {
    let client_s = b"\
.globl _start
.text
_start:
  la a0, msg
  call puts
  li a0, 33