motiejus/zig
1
Fork 0
Code Releases Activity

stage2 aarch64: add basic function pro/epilogue

Browse Source 
Fix typo in `nop` implementation.
Simplify `aarch64` macOS tests.
This commit is contained in:
Jakub Konka
2021-01-17 11:26:02 +01:00
parent e292f33de7
commit b25cf7db02
3 changed files with 88 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files

101
test/stage2/aarch64.zig
View File

@@ -17,97 +17,60 @@ pub fn addCases(ctx: *TestContext) !void {
// Regular old hello world
case.addCompareOutput(
\\extern "c" fn write(usize, usize, usize) void;
\\extern "c" fn exit(usize) noreturn;
\\
\\export fn _start() noreturn {
\\ print();
\\
\\ exit();
\\ exit(0);
\\}
\\
\\fn print() void {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (4),
\\ [arg1] "{x0}" (1),
\\ [arg2] "{x1}" (@ptrToInt("Hello, World!\n")),
\\ [arg3] "{x2}" (14)
\\ : "memory"
\\ );
\\ return;
\\}
\\
\\fn exit() noreturn {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (1),
\\ [arg1] "{x0}" (0)
\\ : "memory"
\\ );
\\ unreachable;
\\ const msg = @ptrToInt("Hello, World!\n");
\\ const len = 14;
\\ write(1, msg, len);
\\}
,
"Hello, World!\n",
);
// Now change the message only
case.addCompareOutput(
\\extern "c" fn write(usize, usize, usize) void;
\\extern "c" fn exit(usize) noreturn;
\\
\\export fn _start() noreturn {
\\ print();
\\
\\ exit();
\\ exit(0);
\\}
\\
\\fn print() void {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (4),
\\ [arg1] "{x0}" (1),
\\ [arg2] "{x1}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
\\ [arg3] "{x2}" (104)
\\ : "memory"
\\ );
\\ return;
\\}
\\
\\fn exit() noreturn {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (1),
\\ [arg1] "{x0}" (0)
\\ : "memory"
\\ );
\\ unreachable;
\\ const msg = @ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n");
\\ const len = 104;
\\ write(1, msg, len);
\\}
,
"What is up? This is a longer message that will force the data to be relocated in virtual address space.\n",
);
// Now we print it twice.
case.addCompareOutput(
\\extern "c" fn write(usize, usize, usize) void;
\\extern "c" fn exit(usize) noreturn;
\\
\\export fn _start() noreturn {
\\ print();
\\ print();
\\
\\ exit();
\\ exit(0);
\\}
\\
\\fn print() void {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (4),
\\ [arg1] "{x0}" (1),
\\ [arg2] "{x1}" (@ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n")),
\\ [arg3] "{x2}" (104)
\\ : "memory"
\\ );
\\ return;
\\}
\\
\\fn exit() noreturn {
\\ asm volatile ("svc #0x80"
\\ :
\\ : [number] "{x16}" (1),
\\ [arg1] "{x0}" (0)
\\ : "memory"
\\ );
\\ unreachable;
\\ const msg = @ptrToInt("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n");
\\ const len = 104;
\\ write(1, msg, len);
\\}
,
\\What is up? This is a longer message that will force the data to be relocated in virtual address space.
@@ -200,24 +163,6 @@ pub fn addCases(ctx: *TestContext) !void {
);
}
{
var case = ctx.exe("hello world linked to libc", macos_aarch64);
// TODO rewrite this test once we handle more int conversions and return args.
case.addCompareOutput(
\\extern "c" fn write(usize, usize, usize) void;
\\extern "c" fn exit(usize) noreturn;
\\
\\export fn _start() noreturn {
\\ write(1, @ptrToInt("Hello,"), 6);
\\ write(1, @ptrToInt(" World!\n,"), 8);
\\ exit(0);
\\}
,
"Hello, World!\n",
);
}
{
var case = ctx.exe("only libc exit", macos_aarch64);