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test/link/macho: test merge literals on x86_64

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This commit is contained in:
Jakub Konka 2024-05-22 12:21:51 +02:00
parent 03d0a68356
commit 78b441e8de
1 changed files with 119 additions and 2 deletions
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121
test/link/macho.zig
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@ -38,6 +38,7 @@ pub fn testAll(b: *Build, build_opts: BuildOptions) *Step {
macho_step.dependOn(testLayout(b, .{ .target = default_target }));
macho_step.dependOn(testLinkingStaticLib(b, .{ .target = default_target }));
macho_step.dependOn(testLinksection(b, .{ .target = default_target }));
macho_step.dependOn(testMergeLiteralsX64(b, .{ .target = x86_64_target }));
macho_step.dependOn(testMergeLiteralsArm64(b, .{ .target = aarch64_target }));
macho_step.dependOn(testMergeLiteralsArm642(b, .{ .target = aarch64_target }));
macho_step.dependOn(testMhExecuteHeader(b, .{ .target = default_target }));
@ -917,8 +918,124 @@ fn testLinksection(b: *Build, opts: Options) *Step {
return test_step;
}
fn testMergeLiteralsX64(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "merge-literals-x64", opts);
const a_o = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
\\.globl _q1
\\.globl _s1
\\
\\.align 4
\\_q1:
\\ lea L._q1(%rip), %rax
\\ mov (%rax), %xmm0
\\ ret
\\
\\.section __TEXT,__cstring,cstring_literals
\\l._s1:
\\ .asciz "hello"
\\
\\.section __TEXT,__literal8,8byte_literals
\\.align 8
\\L._q1:
\\ .double 1.2345
\\
\\.section __DATA,__data
\\.align 8
\\_s1:
\\ .quad l._s1
});
const b_o = addObject(b, opts, .{ .name = "b", .asm_source_bytes =
\\.globl _q2
\\.globl _s2
\\.globl _s3
\\
\\.align 4
\\_q2:
\\ lea L._q2(%rip), %rax
\\ mov (%rax), %xmm0
\\ ret
\\
\\.section __TEXT,__cstring,cstring_literals
\\l._s2:
\\ .asciz "hello"
\\l._s3:
\\ .asciz "world"
\\
\\.section __TEXT,__literal8,8byte_literals
\\.align 8
\\L._q2:
\\ .double 1.2345
\\
\\.section __DATA,__data
\\.align 8
\\_s2:
\\ .quad l._s2
\\_s3:
\\ .quad l._s3
});
const main_o = addObject(b, opts, .{ .name = "main", .c_source_bytes =
\\#include <stdio.h>
\\extern double q1();
\\extern double q2();
\\extern const char* s1;
\\extern const char* s2;
\\extern const char* s3;
\\int main() {
\\ printf("%s, %s, %s, %f, %f", s1, s2, s3, q1(), q2());
\\ return 0;
\\}
});
const runWithChecks = struct {
fn runWithChecks(step: *Step, exe: *Compile) void {
const run = addRunArtifact(exe);
run.expectStdOutEqual("hello, hello, world, 1.234500, 1.234500");
step.dependOn(&run.step);
const check = exe.checkObject();
check.dumpSection("__TEXT,__const");
check.checkContains("\x8d\x97n\x12\x83\xc0\xf3?");
check.dumpSection("__TEXT,__cstring");
check.checkContains("hello\x00world\x00%s, %s, %s, %f, %f\x00");
step.dependOn(&check.step);
}
}.runWithChecks;
{
const exe = addExecutable(b, opts, .{ .name = "main1" });
exe.addObject(a_o);
exe.addObject(b_o);
exe.addObject(main_o);
runWithChecks(test_step, exe);
}
{
const exe = addExecutable(b, opts, .{ .name = "main2" });
exe.addObject(b_o);
exe.addObject(a_o);
exe.addObject(main_o);
runWithChecks(test_step, exe);
}
{
const c_o = addObject(b, opts, .{ .name = "c" });
c_o.addObject(a_o);
c_o.addObject(b_o);
c_o.addObject(main_o);
const exe = addExecutable(b, opts, .{ .name = "main3" });
exe.addObject(c_o);
runWithChecks(test_step, exe);
}
return test_step;
}
fn testMergeLiteralsArm64(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "merge-literals", opts);
const test_step = addTestStep(b, "merge-literals-arm64", opts);
const a_o = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
\\.globl _q1
@ -1038,7 +1155,7 @@ fn testMergeLiteralsArm64(b: *Build, opts: Options) *Step {
/// which is also the case for the system linker and lld - linking succeeds, runtime segfaults.
/// It should also be mentioned that runtime segfault is not due to the linker but faulty input asm.
fn testMergeLiteralsArm642(b: *Build, opts: Options) *Step {
const test_step = addTestStep(b, "merge-literals-2", opts);
const test_step = addTestStep(b, "merge-literals-arm64-2", opts);
const a_o = addObject(b, opts, .{ .name = "a", .asm_source_bytes =
\\.globl _q1