86 lines
2.1 KiB
Zig
86 lines
2.1 KiB
Zig
const std = @import("std");
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const TestContext = @import("../../src-self-hosted/test.zig").TestContext;
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// These tests should work with all platforms, but we're using linux_x64 for
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// now for consistency. Will be expanded eventually.
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const linux_x64 = std.zig.CrossTarget{
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.cpu_arch = .x86_64,
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.os_tag = .linux,
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};
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pub fn addCases(ctx: *TestContext) !void {
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ctx.c("empty start function", linux_x64,
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\\export fn _start() noreturn {}
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,
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\\noreturn void _start(void) {}
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\\
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);
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ctx.c("less empty start function", linux_x64,
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\\fn main() noreturn {}
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\\
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\\export fn _start() noreturn {
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\\ main();
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\\}
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,
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\\noreturn void main(void);
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\\
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\\noreturn void _start(void) {
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\\ main();
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\\}
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\\
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\\noreturn void main(void) {}
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\\
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);
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// TODO: implement return values
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ctx.c("inline asm", linux_x64,
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\\fn exitGood() void {
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\\ asm volatile ("syscall"
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\\ :
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\\ : [number] "{rax}" (231),
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\\ [arg1] "{rdi}" (0)
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\\ );
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\\}
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\\
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\\export fn _start() noreturn {
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\\ exitGood();
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\\}
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,
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\\#include <stddef.h>
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\\
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\\void exitGood(void);
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\\
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\\noreturn void _start(void) {
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\\ exitGood();
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\\}
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\\
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\\void exitGood(void) {
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\\ register size_t rax_constant __asm__("rax") = 231;
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\\ register size_t rdi_constant __asm__("rdi") = 0;
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\\ __asm volatile ("syscall" :: ""(rax_constant), ""(rdi_constant));
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\\}
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\\
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);
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//ctx.c("basic return", linux_x64,
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// \\fn main() u8 {
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// \\ return 103;
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// \\}
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// \\
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// \\export fn _start() noreturn {
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// \\ _ = main();
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// \\}
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//,
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// \\#include <stdint.h>
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// \\
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// \\uint8_t main(void);
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// \\
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// \\noreturn void _start(void) {
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// \\ (void)main();
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// \\}
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// \\
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// \\uint8_t main(void) {
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// \\ return 103;
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// \\}
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// \\
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//);
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}
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