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plan9 codegen, add tests

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They generate an object file, but do not execute yet,
since we don't have something to execute them with.
This commit is contained in:
Jacob G-W 2021-07-08 18:25:21 -04:00 • committed by Andrew Kelley
parent 7b8a968f14
commit 7b5d139fd3
2 changed files with 41 additions and 0 deletions
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1
test/cases.zig
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@ -20,6 +20,7 @@ pub fn addCases(ctx: *TestContext) !void {
try @import("stage2/wasm.zig").addCases(ctx);
try @import("stage2/darwin.zig").addCases(ctx);
try @import("stage2/riscv64.zig").addCases(ctx);
try @import("stage2/plan9.zig").addCases(ctx);
{
var case = ctx.exe("hello world with updates", linux_x64);

40
test/stage2/plan9.zig Normal file
View file

@ -0,0 +1,40 @@
const std = @import("std");
const TestContext = @import("../../src/test.zig").TestContext;
pub fn addCases(ctx: *TestContext) !void {
const target: std.zig.CrossTarget = .{
.cpu_arch = .x86_64,
.os_tag = .plan9,
};
{
var case = ctx.exe("plan9: exiting correctly", target);
case.addCompareOutput("pub fn main() void {}", "");
}
{
var case = ctx.exe("plan9: hello world", target);
case.addCompareOutput(
\\pub fn main() void {
\\ const str = "Hello World!\n";
\\ asm volatile (
\\ \\push $0
\\ \\push %%r10
\\ \\push %%r11
\\ \\push $1
\\ \\push $0
\\ \\syscall
\\ \\pop %%r11
\\ \\pop %%r11
\\ \\pop %%r11
\\ \\pop %%r11
\\ \\pop %%r11
\\ :
\\ // pwrite
\\ : [syscall_number] "{rbp}" (51),
\\ [hey] "{r11}" (@ptrToInt(str)),
\\ [strlen] "{r10}" (str.len)
\\ : "rcx", "rbp", "r11", "memory"
\\ );
\\}
, "");
}
}