Commit 8abfb3559ab6e1be7852b61455fe1197bf1cbd69 | zig

author	Jakub Konka <kubkon@jakubkonka.com> 2023-09-25 17:05:16+02:00
committer	Jakub Konka <kubkon@jakubkonka.com> 2023-09-26 21:07:47+02:00
log	8abfb3559ab6e1be7852b61455fe1197bf1cbd69
tree	b6b1f01a232864cf9fa91c53a6d9b4ab6e9ef63d
parent	aac04b4a5a70fc45f88d7b005e20c2cde271ff89

elf: test statically linking libc

1 files changed, 42 insertions(+), 4 deletions(-)

test
- link
  - elf.zig

test/link/elf.zig+42-4

...	...	@@ -11,12 +11,14 @@ pub fn build(b: *Build) void {
11	11	.os_tag = .linux,
12	12	};
13	13
14		elf_step.dependOn(testHelloStatic(b, .{ .target = target, .use_llvm = true }));
15		elf_step.dependOn(testHelloStatic(b, .{ .target = target, .use_llvm = false }));
	14	elf_step.dependOn(testLinkingZigStatic(b, .{ .target = target, .use_llvm = true }));
	15	elf_step.dependOn(testLinkingZigStatic(b, .{ .target = target, .use_llvm = false }));
	16	elf_step.dependOn(testLinkingCStatic(b, .{ .target = target, .use_llvm = true }));
	17	// elf_step.dependOn(testLinkingCStatic(b, .{ .target = target, .use_llvm = false })); // TODO arocc
16	18	}
17	19
18		fn testHelloStatic(b: Build, opts: Options) Step {
19		const test_step = addTestStep(b, "hello-static", opts);
	20	fn testLinkingZigStatic(b: Build, opts: Options) Step {
	21	const test_step = addTestStep(b, "linking-zig-static", opts);
20	22
21	23	const exe = addExecutable(b, opts);
22	24	addZigSourceBytes(exe,
...	...	@@ -42,6 +44,36 @@ fn testHelloStatic(b: Build, opts: Options) Step {
42	44	return test_step;
43	45	}
44	46
	47	fn testLinkingCStatic(b: Build, opts: Options) Step {
	48	const test_step = addTestStep(b, "linking-c-static", opts);
	49
	50	const exe = addExecutable(b, opts);
	51	addCSourceBytes(exe,
	52	\\#include <stdio.h>
	53	\\int main() {
	54	\\ printf("Hello World!\n");
	55	\\ return 0;
	56	\\}
	57	);
	58	exe.is_linking_libc = true;
	59	exe.linkage = .static;
	60
	61	const run = b.addRunArtifact(exe);
	62	run.expectStdOutEqual("Hello World!\n");
	63	test_step.dependOn(&run.step);
	64
	65	const check = exe.checkObject();
	66	check.checkStart();
	67	check.checkExact("header");
	68	check.checkExact("type EXEC");
	69	check.checkStart();
	70	check.checkExact("section headers");
	71	check.checkNotPresent("name .dynamic");
	72	test_step.dependOn(&check.step);
	73
	74	return test_step;
	75	}
	76
45	77	const Options = struct {
46	78	target: CrossTarget = .{ .os_tag = .linux },
47	79	optimize: std.builtin.OptimizeMode = .Debug,
...	...	@@ -78,6 +110,12 @@ fn addZigSourceBytes(comp: *Compile, bytes: []const u8) void {
78	110	comp.root_src = file;
79	111	}
80	112
	113	fn addCSourceBytes(comp: *Compile, bytes: []const u8) void {
	114	const b = comp.step.owner;
	115	const file = WriteFile.create(b).add("a.c", bytes);
	116	comp.addCSourceFile(.{ .file = file, .flags = &.{} });
	117	}
	118
81	119	const std = @import("std");
82	120
83	121	const Build = std.Build;