mirror of
https://github.com/ziglang/zig.git
synced 2025-02-10 14:40:16 +00:00
Andrew Kelley
GitHub
commit
d40c4e7c89
@ -578,6 +578,7 @@ set(ZIG_STD_FILES
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"os/linux/index.zig"
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"os/linux/vdso.zig"
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"os/linux/x86_64.zig"
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"os/linux/arm64.zig"
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"os/path.zig"
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"os/time.zig"
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"os/windows/advapi32.zig"
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@ -280,7 +280,7 @@ pub const LibCInstallation = struct {
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switch (builtin.arch) {
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builtin.Arch.i386 => try stream.write("x86"),
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builtin.Arch.x86_64 => try stream.write("x64"),
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builtin.Arch.aarch64 => try stream.write("arm"),
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builtin.Arch.aarch64v8 => try stream.write("arm"),
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else => return error.UnsupportedArchitecture,
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}
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const ucrt_lib_path = try std.os.path.join(loop.allocator, result_buf.toSliceConst(), "ucrt.lib");
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@ -355,7 +355,7 @@ pub const LibCInstallation = struct {
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switch (builtin.arch) {
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builtin.Arch.i386 => try stream.write("x86\\"),
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builtin.Arch.x86_64 => try stream.write("x64\\"),
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builtin.Arch.aarch64 => try stream.write("arm\\"),
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builtin.Arch.aarch64v8 => try stream.write("arm\\"),
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else => return error.UnsupportedArchitecture,
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}
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const kernel32_path = try std.os.path.join(loop.allocator, result_buf.toSliceConst(), "kernel32.lib");
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@ -330,7 +330,7 @@ fn constructLinkerArgsCoff(ctx: *Context) !void {
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switch (ctx.comp.target.getArch()) {
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builtin.Arch.i386 => try ctx.args.append(c"-MACHINE:X86"),
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builtin.Arch.x86_64 => try ctx.args.append(c"-MACHINE:X64"),
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builtin.Arch.aarch64 => try ctx.args.append(c"-MACHINE:ARM"),
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builtin.Arch.aarch64v8 => try ctx.args.append(c"-MACHINE:ARM"),
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else => return error.UnsupportedLinkArchitecture,
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}
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@ -556,7 +556,7 @@ fn constructLinkerArgsMachO(ctx: *Context) !void {
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}
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},
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DarwinPlatform.Kind.IPhoneOS => {
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if (ctx.comp.target.getArch() == builtin.Arch.aarch64) {
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if (ctx.comp.target.getArch() == builtin.Arch.aarch64v8) {
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// iOS does not need any crt1 files for arm64
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} else if (platform.versionLessThan(3, 1)) {
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try ctx.args.append(c"-lcrt1.o");
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@ -250,8 +250,20 @@ pub const Target = union(enum) {
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builtin.Arch.renderscript32,
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=> return 32,
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builtin.Arch.aarch64,
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builtin.Arch.aarch64_be,
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builtin.Arch.aarch64v8_3a,
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builtin.Arch.aarch64v8_2a,
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builtin.Arch.aarch64v8_1a,
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builtin.Arch.aarch64v8,
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builtin.Arch.aarch64v8r,
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builtin.Arch.aarch64v8m_baseline,
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builtin.Arch.aarch64v8m_mainline,
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builtin.Arch.aarch64_bev8_3a,
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builtin.Arch.aarch64_bev8_2a,
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builtin.Arch.aarch64_bev8_1a,
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builtin.Arch.aarch64_bev8,
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builtin.Arch.aarch64_bev8r,
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builtin.Arch.aarch64_bev8m_baseline,
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builtin.Arch.aarch64_bev8m_mainline,
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builtin.Arch.mips64,
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builtin.Arch.mips64el,
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builtin.Arch.powerpc64,
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@ -316,8 +328,23 @@ pub const Target = union(enum) {
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builtin.Arch.sparcel,
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=> return "/lib/ld-linux.so.2",
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builtin.Arch.aarch64 => return "/lib/ld-linux-aarch64.so.1",
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builtin.Arch.aarch64_be => return "/lib/ld-linux-aarch64_be.so.1",
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builtin.Arch.aarch64v8_3a,
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builtin.Arch.aarch64v8_2a,
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builtin.Arch.aarch64v8_1a,
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builtin.Arch.aarch64v8,
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builtin.Arch.aarch64v8r,
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builtin.Arch.aarch64v8m_baseline,
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builtin.Arch.aarch64v8m_mainline,
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=> return "/lib/ld-linux-aarch64.so.1",
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builtin.Arch.aarch64_bev8_3a,
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builtin.Arch.aarch64_bev8_2a,
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builtin.Arch.aarch64_bev8_1a,
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builtin.Arch.aarch64_bev8,
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builtin.Arch.aarch64_bev8r,
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builtin.Arch.aarch64_bev8m_baseline,
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builtin.Arch.aarch64_bev8m_mainline,
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=> return "/lib/ld-linux-aarch64_be.so.1",
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builtin.Arch.armv8_3a,
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builtin.Arch.armv8_2a,
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@ -530,7 +557,14 @@ pub const Target = union(enum) {
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pub fn getDarwinArchString(self: Target) []const u8 {
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const arch = self.getArch();
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switch (arch) {
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builtin.Arch.aarch64 => return "arm64",
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builtin.Arch.aarch64v8_3a,
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builtin.Arch.aarch64v8_2a,
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builtin.Arch.aarch64v8_1a,
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builtin.Arch.aarch64v8,
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builtin.Arch.aarch64v8r,
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builtin.Arch.aarch64v8m_baseline,
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builtin.Arch.aarch64v8m_mainline,
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=> return "arm64",
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builtin.Arch.thumb,
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builtin.Arch.armv8_3a,
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builtin.Arch.armv8_2a,
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@ -90,7 +90,7 @@ static void populate_termination(Termination *term, int status) {
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static void os_spawn_process_posix(const char *exe, ZigList<const char *> &args, Termination *term) {
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pid_t pid = fork();
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if (pid == -1)
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zig_panic("fork failed");
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zig_panic("fork failed: %s", strerror(errno));
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if (pid == 0) {
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// child
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const char **argv = allocate<const char *>(args.length + 2);
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@ -806,7 +806,7 @@ static int os_exec_process_posix(const char *exe, ZigList<const char *> &args,
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pid_t pid = fork();
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if (pid == -1)
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zig_panic("fork failed");
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zig_panic("fork failed: %s", strerror(errno));
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if (pid == 0) {
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// child
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if (dup2(stdin_pipe[0], STDIN_FILENO) == -1)
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@ -55,8 +55,22 @@ static const ArchType arch_list[] = {
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{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v5te},
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{ZigLLVM_armeb, ZigLLVM_ARMSubArch_v4t},
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{ZigLLVM_aarch64, ZigLLVM_NoSubArch},
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{ZigLLVM_aarch64_be, ZigLLVM_NoSubArch},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8_3a},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8_2a},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8_1a},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8r},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8m_baseline},
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{ZigLLVM_aarch64, ZigLLVM_ARMSubArch_v8m_mainline},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8_3a},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8_2a},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8_1a},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8r},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8m_baseline},
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{ZigLLVM_aarch64_be, ZigLLVM_ARMSubArch_v8m_mainline},
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{ZigLLVM_arc, ZigLLVM_NoSubArch},
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{ZigLLVM_avr, ZigLLVM_NoSubArch},
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{ZigLLVM_bpfel, ZigLLVM_NoSubArch},
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@ -943,8 +957,9 @@ const char *arch_stack_pointer_register_name(const ArchType *arch) {
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return "sp";
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case ZigLLVM_x86_64:
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return "rsp";
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case ZigLLVM_aarch64:
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return "sp";
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case ZigLLVM_arm:
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case ZigLLVM_thumb:
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case ZigLLVM_aarch64_be:
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@ -859,6 +859,11 @@ pub const Elf_MIPS_ABIFlags_v0 = extern struct {
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flags2: Elf32_Word,
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};
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pub const Auxv = switch (@sizeOf(usize)) {
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4 => Elf32_auxv_t,
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8 => Elf64_auxv_t,
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else => @compileError("expected pointer size of 32 or 64"),
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};
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pub const Ehdr = switch (@sizeOf(usize)) {
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4 => Elf32_Ehdr,
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8 => Elf64_Ehdr,
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@ -1044,7 +1044,9 @@ test "fmt.format" {
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const result = try bufPrint(buf1[0..], "f64: {}\n", math.nan_f64);
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assert(mem.eql(u8, result, "f64: nan\n"));
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}
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{
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if (builtin.arch != builtin.Arch.armv8) {
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// negative nan is not defined by IEE 754,
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// and ARM thus normalizes it to positive nan
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var buf1: [32]u8 = undefined;
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const result = try bufPrint(buf1[0..], "f64: {}\n", -math.nan_f64);
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assert(mem.eql(u8, result, "f64: -nan\n"));
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@ -8,7 +8,7 @@ pub const pi = 3.14159265358979323846264338327950288419716939937510;
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// float.h details
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pub const f64_true_min = 4.94065645841246544177e-324;
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pub const f64_min = 2.22507385850720138309e-308;
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pub const f64_min = 2.2250738585072014e-308;
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pub const f64_max = 1.79769313486231570815e+308;
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pub const f64_epsilon = 2.22044604925031308085e-16;
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pub const f64_toint = 1.0 / f64_epsilon;
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@ -650,3 +650,9 @@ pub fn lossyCast(comptime T: type, value: var) T {
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else => @compileError("bad type"),
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}
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}
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test "math.f64_min" {
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const f64_min_u64 = 0x0010000000000000;
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const fmin: f64 = f64_min;
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assert(@bitCast(u64, fmin) == f64_min_u64);
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}
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@ -655,16 +655,21 @@ fn posixExecveErrnoToErr(err: usize) PosixExecveError {
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}
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}
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pub var linux_aux_raw = []usize{0} ** 38;
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pub var linux_elf_aux_maybe: ?[*]std.elf.Auxv = null;
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pub var posix_environ_raw: [][*]u8 = undefined;
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/// See std.elf for the constants.
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pub fn linuxGetAuxVal(index: usize) usize {
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if (builtin.link_libc) {
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return usize(std.c.getauxval(index));
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} else {
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return linux_aux_raw[index];
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} else if (linux_elf_aux_maybe) |auxv| {
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var i: usize = 0;
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while (auxv[i].a_type != std.elf.AT_NULL) : (i += 1) {
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if (auxv[i].a_type == index)
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return auxv[i].a_un.a_val;
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}
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}
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return 0;
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}
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pub fn getBaseAddress() usize {
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@ -1676,7 +1681,7 @@ pub const Dir = struct {
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}
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while (true) {
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const result = posix.getdents(self.handle.fd, self.handle.buf.ptr, self.handle.buf.len);
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const result = posix.getdents64(self.handle.fd, self.handle.buf.ptr, self.handle.buf.len);
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const err = posix.getErrno(result);
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if (err > 0) {
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switch (err) {
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@ -1694,7 +1699,7 @@ pub const Dir = struct {
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break;
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}
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}
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const linux_entry = @ptrCast(*align(1) posix.dirent, &self.handle.buf[self.handle.index]);
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const linux_entry = @ptrCast(*align(1) posix.dirent64, &self.handle.buf[self.handle.index]);
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const next_index = self.handle.index + linux_entry.d_reclen;
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self.handle.index = next_index;
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@ -1705,8 +1710,7 @@ pub const Dir = struct {
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continue :start_over;
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}
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const type_char = self.handle.buf[next_index - 1];
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const entry_kind = switch (type_char) {
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const entry_kind = switch (linux_entry.d_type) {
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posix.DT_BLK => Entry.Kind.BlockDevice,
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posix.DT_CHR => Entry.Kind.CharacterDevice,
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posix.DT_DIR => Entry.Kind.Directory,
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465
std/os/linux/arm64.zig
Normal file
465
std/os/linux/arm64.zig
Normal file
@ -0,0 +1,465 @@
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const std = @import("../../index.zig");
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const linux = std.os.linux;
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const socklen_t = linux.socklen_t;
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const iovec = linux.iovec;
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pub const SYS_io_setup = 0;
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pub const SYS_io_destroy = 1;
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pub const SYS_io_submit = 2;
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pub const SYS_io_cancel = 3;
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pub const SYS_io_getevents = 4;
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pub const SYS_setxattr = 5;
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pub const SYS_lsetxattr = 6;
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pub const SYS_fsetxattr = 7;
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pub const SYS_getxattr = 8;
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pub const SYS_lgetxattr = 9;
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pub const SYS_fgetxattr = 10;
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pub const SYS_listxattr = 11;
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pub const SYS_llistxattr = 12;
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pub const SYS_flistxattr = 13;
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pub const SYS_removexattr = 14;
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pub const SYS_lremovexattr = 15;
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pub const SYS_fremovexattr = 16;
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pub const SYS_getcwd = 17;
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pub const SYS_lookup_dcookie = 18;
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pub const SYS_eventfd2 = 19;
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pub const SYS_epoll_create1 = 20;
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pub const SYS_epoll_ctl = 21;
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pub const SYS_epoll_pwait = 22;
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pub const SYS_dup = 23;
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pub const SYS_dup3 = 24;
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pub const SYS_fcntl = 25;
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pub const SYS_inotify_init1 = 26;
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pub const SYS_inotify_add_watch = 27;
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pub const SYS_inotify_rm_watch = 28;
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pub const SYS_ioctl = 29;
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pub const SYS_ioprio_set = 30;
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pub const SYS_ioprio_get = 31;
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pub const SYS_flock = 32;
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pub const SYS_mknodat = 33;
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pub const SYS_mkdirat = 34;
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pub const SYS_unlinkat = 35;
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pub const SYS_symlinkat = 36;
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pub const SYS_linkat = 37;
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pub const SYS_renameat = 38;
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pub const SYS_umount2 = 39;
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pub const SYS_mount = 40;
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pub const SYS_pivot_root = 41;
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pub const SYS_nfsservctl = 42;
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pub const SYS_statfs = 43;
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pub const SYS_fstatfs = 44;
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pub const SYS_truncate = 45;
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pub const SYS_ftruncate = 46;
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pub const SYS_fallocate = 47;
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pub const SYS_faccessat = 48;
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pub const SYS_chdir = 49;
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pub const SYS_fchdir = 50;
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pub const SYS_chroot = 51;
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pub const SYS_fchmod = 52;
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pub const SYS_fchmodat = 53;
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pub const SYS_fchownat = 54;
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pub const SYS_fchown = 55;
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pub const SYS_openat = 56;
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pub const SYS_close = 57;
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pub const SYS_vhangup = 58;
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pub const SYS_pipe2 = 59;
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pub const SYS_quotactl = 60;
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pub const SYS_getdents64 = 61;
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pub const SYS_lseek = 62;
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pub const SYS_read = 63;
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pub const SYS_write = 64;
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pub const SYS_readv = 65;
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pub const SYS_writev = 66;
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pub const SYS_pread64 = 67;
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pub const SYS_pwrite64 = 68;
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pub const SYS_preadv = 69;
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pub const SYS_pwritev = 70;
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pub const SYS_pselect6 = 72;
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pub const SYS_ppoll = 73;
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pub const SYS_signalfd4 = 74;
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pub const SYS_vmsplice = 75;
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pub const SYS_splice = 76;
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pub const SYS_tee = 77;
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pub const SYS_readlinkat = 78;
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pub const SYS_fstatat = 79;
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pub const SYS_fstat = 80;
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pub const SYS_sync = 81;
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pub const SYS_fsync = 82;
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pub const SYS_fdatasync = 83;
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pub const SYS_sync_file_range2 = 84;
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pub const SYS_sync_file_range = 84;
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pub const SYS_timerfd_create = 85;
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pub const SYS_timerfd_settime = 86;
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pub const SYS_timerfd_gettime = 87;
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pub const SYS_utimensat = 88;
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pub const SYS_acct = 89;
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pub const SYS_capget = 90;
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pub const SYS_capset = 91;
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pub const SYS_personality = 92;
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pub const SYS_exit = 93;
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pub const SYS_exit_group = 94;
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pub const SYS_waitid = 95;
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pub const SYS_set_tid_address = 96;
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pub const SYS_unshare = 97;
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pub const SYS_futex = 98;
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pub const SYS_set_robust_list = 99;
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pub const SYS_get_robust_list = 100;
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pub const SYS_nanosleep = 101;
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pub const SYS_getitimer = 102;
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pub const SYS_setitimer = 103;
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pub const SYS_kexec_load = 104;
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pub const SYS_init_module = 105;
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pub const SYS_delete_module = 106;
|
||||
pub const SYS_timer_create = 107;
|
||||
pub const SYS_timer_gettime = 108;
|
||||
pub const SYS_timer_getoverrun = 109;
|
||||
pub const SYS_timer_settime = 110;
|
||||
pub const SYS_timer_delete = 111;
|
||||
pub const SYS_clock_settime = 112;
|
||||
pub const SYS_clock_gettime = 113;
|
||||
pub const SYS_clock_getres = 114;
|
||||
pub const SYS_clock_nanosleep = 115;
|
||||
pub const SYS_syslog = 116;
|
||||
pub const SYS_ptrace = 117;
|
||||
pub const SYS_sched_setparam = 118;
|
||||
pub const SYS_sched_setscheduler = 119;
|
||||
pub const SYS_sched_getscheduler = 120;
|
||||
pub const SYS_sched_getparam = 121;
|
||||
pub const SYS_sched_setaffinity = 122;
|
||||
pub const SYS_sched_getaffinity = 123;
|
||||
pub const SYS_sched_yield = 124;
|
||||
pub const SYS_sched_get_priority_max = 125;
|
||||
pub const SYS_sched_get_priority_min = 126;
|
||||
pub const SYS_sched_rr_get_interval = 127;
|
||||
pub const SYS_restart_syscall = 128;
|
||||
pub const SYS_kill = 129;
|
||||
pub const SYS_tkill = 130;
|
||||
pub const SYS_tgkill = 131;
|
||||
pub const SYS_sigaltstack = 132;
|
||||
pub const SYS_rt_sigsuspend = 133;
|
||||
pub const SYS_rt_sigaction = 134;
|
||||
pub const SYS_rt_sigprocmask = 135;
|
||||
pub const SYS_rt_sigpending = 136;
|
||||
pub const SYS_rt_sigtimedwait = 137;
|
||||
pub const SYS_rt_sigqueueinfo = 138;
|
||||
pub const SYS_rt_sigreturn = 139;
|
||||
pub const SYS_setpriority = 140;
|
||||
pub const SYS_getpriority = 141;
|
||||
pub const SYS_reboot = 142;
|
||||
pub const SYS_setregid = 143;
|
||||
pub const SYS_setgid = 144;
|
||||
pub const SYS_setreuid = 145;
|
||||
pub const SYS_setuid = 146;
|
||||
pub const SYS_setresuid = 147;
|
||||
pub const SYS_getresuid = 148;
|
||||
pub const SYS_setresgid = 149;
|
||||
pub const SYS_getresgid = 150;
|
||||
pub const SYS_setfsuid = 151;
|
||||
pub const SYS_setfsgid = 152;
|
||||
pub const SYS_times = 153;
|
||||
pub const SYS_setpgid = 154;
|
||||
pub const SYS_getpgid = 155;
|
||||
pub const SYS_getsid = 156;
|
||||
pub const SYS_setsid = 157;
|
||||
pub const SYS_getgroups = 158;
|
||||
pub const SYS_setgroups = 159;
|
||||
pub const SYS_uname = 160;
|
||||
pub const SYS_sethostname = 161;
|
||||
pub const SYS_setdomainname = 162;
|
||||
pub const SYS_getrlimit = 163;
|
||||
pub const SYS_setrlimit = 164;
|
||||
pub const SYS_getrusage = 165;
|
||||
pub const SYS_umask = 166;
|
||||
pub const SYS_prctl = 167;
|
||||
pub const SYS_getcpu = 168;
|
||||
pub const SYS_gettimeofday = 169;
|
||||
pub const SYS_settimeofday = 170;
|
||||
pub const SYS_adjtimex = 171;
|
||||
pub const SYS_getpid = 172;
|
||||
pub const SYS_getppid = 173;
|
||||
pub const SYS_getuid = 174;
|
||||
pub const SYS_geteuid = 175;
|
||||
pub const SYS_getgid = 176;
|
||||
pub const SYS_getegid = 177;
|
||||
pub const SYS_gettid = 178;
|
||||
pub const SYS_sysinfo = 179;
|
||||
pub const SYS_mq_open = 180;
|
||||
pub const SYS_mq_unlink = 181;
|
||||
pub const SYS_mq_timedsend = 182;
|
||||
pub const SYS_mq_timedreceive = 183;
|
||||
pub const SYS_mq_notify = 184;
|
||||
pub const SYS_mq_getsetattr = 185;
|
||||
pub const SYS_msgget = 186;
|
||||
pub const SYS_msgctl = 187;
|
||||
pub const SYS_msgrcv = 188;
|
||||
pub const SYS_msgsnd = 189;
|
||||
pub const SYS_semget = 190;
|
||||
pub const SYS_semctl = 191;
|
||||
pub const SYS_semtimedop = 192;
|
||||
pub const SYS_semop = 193;
|
||||
pub const SYS_shmget = 194;
|
||||
pub const SYS_shmctl = 195;
|
||||
pub const SYS_shmat = 196;
|
||||
pub const SYS_shmdt = 197;
|
||||
pub const SYS_socket = 198;
|
||||
pub const SYS_socketpair = 199;
|
||||
pub const SYS_bind = 200;
|
||||
pub const SYS_listen = 201;
|
||||
pub const SYS_accept = 202;
|
||||
pub const SYS_connect = 203;
|
||||
pub const SYS_getsockname = 204;
|
||||
pub const SYS_getpeername = 205;
|
||||
pub const SYS_sendto = 206;
|
||||
pub const SYS_recvfrom = 207;
|
||||
pub const SYS_setsockopt = 208;
|
||||
pub const SYS_getsockopt = 209;
|
||||
pub const SYS_shutdown = 210;
|
||||
pub const SYS_sendmsg = 211;
|
||||
pub const SYS_recvmsg = 212;
|
||||
pub const SYS_readahead = 213;
|
||||
pub const SYS_brk = 214;
|
||||
pub const SYS_munmap = 215;
|
||||
pub const SYS_mremap = 216;
|
||||
pub const SYS_add_key = 217;
|
||||
pub const SYS_request_key = 218;
|
||||
pub const SYS_keyctl = 219;
|
||||
pub const SYS_clone = 220;
|
||||
pub const SYS_execve = 221;
|
||||
pub const SYS_mmap = 222;
|
||||
pub const SYS_fadvise64 = 223;
|
||||
pub const SYS_swapon = 224;
|
||||
pub const SYS_swapoff = 225;
|
||||
pub const SYS_mprotect = 226;
|
||||
pub const SYS_msync = 227;
|
||||
pub const SYS_mlock = 228;
|
||||
pub const SYS_munlock = 229;
|
||||
pub const SYS_mlockall = 230;
|
||||
pub const SYS_munlockall = 231;
|
||||
pub const SYS_mincore = 232;
|
||||
pub const SYS_madvise = 233;
|
||||
pub const SYS_remap_file_pages = 234;
|
||||
pub const SYS_mbind = 235;
|
||||
pub const SYS_get_mempolicy = 236;
|
||||
pub const SYS_set_mempolicy = 237;
|
||||
pub const SYS_migrate_pages = 238;
|
||||
pub const SYS_move_pages = 239;
|
||||
pub const SYS_rt_tgsigqueueinfo = 240;
|
||||
pub const SYS_perf_event_open = 241;
|
||||
pub const SYS_accept4 = 242;
|
||||
pub const SYS_recvmmsg = 243;
|
||||
pub const SYS_arch_specific_syscall = 244;
|
||||
pub const SYS_wait4 = 260;
|
||||
pub const SYS_prlimit64 = 261;
|
||||
pub const SYS_fanotify_init = 262;
|
||||
pub const SYS_fanotify_mark = 263;
|
||||
pub const SYS_clock_adjtime = 266;
|
||||
pub const SYS_syncfs = 267;
|
||||
pub const SYS_setns = 268;
|
||||
pub const SYS_sendmmsg = 269;
|
||||
pub const SYS_process_vm_readv = 270;
|
||||
pub const SYS_process_vm_writev = 271;
|
||||
pub const SYS_kcmp = 272;
|
||||
pub const SYS_finit_module = 273;
|
||||
pub const SYS_sched_setattr = 274;
|
||||
pub const SYS_sched_getattr = 275;
|
||||
pub const SYS_renameat2 = 276;
|
||||
pub const SYS_seccomp = 277;
|
||||
pub const SYS_getrandom = 278;
|
||||
pub const SYS_memfd_create = 279;
|
||||
pub const SYS_bpf = 280;
|
||||
pub const SYS_execveat = 281;
|
||||
pub const SYS_userfaultfd = 282;
|
||||
pub const SYS_membarrier = 283;
|
||||
pub const SYS_mlock2 = 284;
|
||||
pub const SYS_copy_file_range = 285;
|
||||
pub const SYS_preadv2 = 286;
|
||||
pub const SYS_pwritev2 = 287;
|
||||
pub const SYS_pkey_mprotect = 288;
|
||||
pub const SYS_pkey_alloc = 289;
|
||||
pub const SYS_pkey_free = 290;
|
||||
pub const SYS_statx = 291;
|
||||
pub const SYS_io_pgetevents = 292;
|
||||
pub const SYS_syscalls = 293;
|
||||
|
||||
pub const O_CREAT = 0o100;
|
||||
pub const O_EXCL = 0o200;
|
||||
pub const O_NOCTTY = 0o400;
|
||||
pub const O_TRUNC = 0o1000;
|
||||
pub const O_APPEND = 0o2000;
|
||||
pub const O_NONBLOCK = 0o4000;
|
||||
pub const O_DSYNC = 0o10000;
|
||||
pub const O_SYNC = 0o4010000;
|
||||
pub const O_RSYNC = 0o4010000;
|
||||
pub const O_DIRECTORY = 0o200000;
|
||||
pub const O_NOFOLLOW = 0o400000;
|
||||
pub const O_CLOEXEC = 0o2000000;
|
||||
|
||||
pub const O_ASYNC = 0o20000;
|
||||
pub const O_DIRECT = 0o40000;
|
||||
pub const O_LARGEFILE = 0;
|
||||
pub const O_NOATIME = 0o1000000;
|
||||
pub const O_PATH = 0o10000000;
|
||||
pub const O_TMPFILE = 0o20200000;
|
||||
pub const O_NDELAY = O_NONBLOCK;
|
||||
|
||||
pub const F_DUPFD = 0;
|
||||
pub const F_GETFD = 1;
|
||||
pub const F_SETFD = 2;
|
||||
pub const F_GETFL = 3;
|
||||
pub const F_SETFL = 4;
|
||||
|
||||
pub const F_SETOWN = 8;
|
||||
pub const F_GETOWN = 9;
|
||||
pub const F_SETSIG = 10;
|
||||
pub const F_GETSIG = 11;
|
||||
|
||||
pub const F_GETLK = 5;
|
||||
pub const F_SETLK = 6;
|
||||
pub const F_SETLKW = 7;
|
||||
|
||||
pub const F_SETOWN_EX = 15;
|
||||
pub const F_GETOWN_EX = 16;
|
||||
|
||||
pub const F_GETOWNER_UIDS = 17;
|
||||
|
||||
pub const AT_FDCWD = -100;
|
||||
pub const AT_SYMLINK_NOFOLLOW = 0x100;
|
||||
pub const AT_REMOVEDIR = 0x200;
|
||||
pub const AT_SYMLINK_FOLLOW = 0x400;
|
||||
pub const AT_NO_AUTOMOUNT = 0x800;
|
||||
pub const AT_EMPTY_PATH = 0x1000;
|
||||
|
||||
pub const VDSO_USEFUL = true;
|
||||
pub const VDSO_CGT_SYM = "__kernel_clock_gettime";
|
||||
pub const VDSO_CGT_VER = "LINUX_2.6.39";
|
||||
|
||||
pub fn syscall0(number: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall1(number: usize, arg1: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall2(number: usize, arg1: usize, arg2: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1),
|
||||
[arg2] "{x1}" (arg2)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall3(number: usize, arg1: usize, arg2: usize, arg3: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1),
|
||||
[arg2] "{x1}" (arg2),
|
||||
[arg3] "{x2}" (arg3)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall4(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1),
|
||||
[arg2] "{x1}" (arg2),
|
||||
[arg3] "{x2}" (arg3),
|
||||
[arg4] "{x3}" (arg4)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall5(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1),
|
||||
[arg2] "{x1}" (arg2),
|
||||
[arg3] "{x2}" (arg3),
|
||||
[arg4] "{x3}" (arg4),
|
||||
[arg5] "{x4}" (arg5)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn syscall6(
|
||||
number: usize,
|
||||
arg1: usize,
|
||||
arg2: usize,
|
||||
arg3: usize,
|
||||
arg4: usize,
|
||||
arg5: usize,
|
||||
arg6: usize,
|
||||
) usize {
|
||||
return asm volatile ("svc #0"
|
||||
: [ret] "={x0}" (-> usize)
|
||||
: [number] "{x8}" (number),
|
||||
[arg1] "{x0}" (arg1),
|
||||
[arg2] "{x1}" (arg2),
|
||||
[arg3] "{x2}" (arg3),
|
||||
[arg4] "{x3}" (arg4),
|
||||
[arg5] "{x4}" (arg5),
|
||||
[arg6] "{x5}" (arg6)
|
||||
);
|
||||
}
|
||||
|
||||
/// This matches the libc clone function.
|
||||
pub extern fn clone(func: extern fn (arg: usize) u8, stack: usize, flags: u32, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
|
||||
|
||||
pub const msghdr = extern struct {
|
||||
msg_name: *u8,
|
||||
msg_namelen: socklen_t,
|
||||
msg_iov: *iovec,
|
||||
msg_iovlen: i32,
|
||||
__pad1: i32,
|
||||
msg_control: *u8,
|
||||
msg_controllen: socklen_t,
|
||||
__pad2: socklen_t,
|
||||
msg_flags: i32,
|
||||
};
|
||||
|
||||
/// Renamed to Stat to not conflict with the stat function.
|
||||
pub const Stat = extern struct {
|
||||
dev: u64,
|
||||
ino: u64,
|
||||
nlink: usize,
|
||||
|
||||
mode: u32,
|
||||
uid: u32,
|
||||
gid: u32,
|
||||
__pad0: u32,
|
||||
rdev: u64,
|
||||
size: i64,
|
||||
blksize: isize,
|
||||
blocks: i64,
|
||||
|
||||
atim: timespec,
|
||||
mtim: timespec,
|
||||
ctim: timespec,
|
||||
__unused: [3]isize,
|
||||
};
|
||||
|
||||
pub const timespec = extern struct {
|
||||
tv_sec: isize,
|
||||
tv_nsec: isize,
|
||||
};
|
||||
|
||||
pub const timeval = extern struct {
|
||||
tv_sec: isize,
|
||||
tv_usec: isize,
|
||||
};
|
||||
|
||||
pub const timezone = extern struct {
|
||||
tz_minuteswest: i32,
|
||||
tz_dsttime: i32,
|
||||
};
|
||||
|
||||
pub const Elf_Symndx = u32;
|
||||
@ -5,6 +5,7 @@ const vdso = @import("vdso.zig");
|
||||
pub use switch (builtin.arch) {
|
||||
builtin.Arch.x86_64 => @import("x86_64.zig"),
|
||||
builtin.Arch.i386 => @import("i386.zig"),
|
||||
builtin.Arch.aarch64v8 => @import("arm64.zig"),
|
||||
else => @compileError("unsupported arch"),
|
||||
};
|
||||
pub use @import("errno.zig");
|
||||
@ -697,7 +698,11 @@ pub fn getErrno(r: usize) usize {
|
||||
}
|
||||
|
||||
pub fn dup2(old: i32, new: i32) usize {
|
||||
return syscall2(SYS_dup2, @intCast(usize, old), @intCast(usize, new));
|
||||
return dup3(old, new, 0);
|
||||
}
|
||||
|
||||
pub fn dup3(old: i32, new: i32, flags: u32) usize {
|
||||
return syscall3(SYS_dup3, @intCast(usize, old), @intCast(usize, new), flags);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
@ -716,7 +721,7 @@ pub fn execve(path: [*]const u8, argv: [*]const ?[*]const u8, envp: [*]const ?[*
|
||||
}
|
||||
|
||||
pub fn fork() usize {
|
||||
return syscall0(SYS_fork);
|
||||
return clone2(SIGCHLD, 0);
|
||||
}
|
||||
|
||||
/// This must be inline, and inline call the syscall function, because if the
|
||||
@ -740,8 +745,8 @@ pub fn getcwd(buf: [*]u8, size: usize) usize {
|
||||
return syscall2(SYS_getcwd, @ptrToInt(buf), size);
|
||||
}
|
||||
|
||||
pub fn getdents(fd: i32, dirp: [*]u8, count: usize) usize {
|
||||
return syscall3(SYS_getdents, @intCast(usize, fd), @ptrToInt(dirp), count);
|
||||
pub fn getdents64(fd: i32, dirp: [*]u8, count: usize) usize {
|
||||
return syscall3(SYS_getdents64, @intCast(usize, fd), @ptrToInt(dirp), count);
|
||||
}
|
||||
|
||||
pub fn inotify_init1(flags: u32) usize {
|
||||
@ -763,16 +768,26 @@ pub fn isatty(fd: i32) bool {
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn readlink(noalias path: [*]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize {
|
||||
return syscall3(SYS_readlink, @ptrToInt(path), @ptrToInt(buf_ptr), buf_len);
|
||||
return readlinkat(AT_FDCWD, path, buf_ptr, buf_len);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn readlinkat(dirfd: i32, noalias path: [*]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize {
|
||||
return syscall4(SYS_readlinkat, @intCast(usize, dirfd), @ptrToInt(path), @ptrToInt(buf_ptr), buf_len);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn mkdir(path: [*]const u8, mode: u32) usize {
|
||||
return syscall2(SYS_mkdir, @ptrToInt(path), mode);
|
||||
return mkdirat(AT_FDCWD, path, mode);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn mount(special: [*]const u8, dir: [*]const u8, fstype: [*]const u8, flags: usize, data: usize) usize {
|
||||
pub fn mkdirat(dirfd: i32, path: [*]const u8, mode: u32) usize {
|
||||
return syscall3(SYS_mkdirat, @intCast(usize, dirfd), @ptrToInt(path), mode);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn mount(special: [*]const u8, dir: [*]const u8, fstype: [*]const u8, flags: u32, data: usize) usize {
|
||||
return syscall5(SYS_mount, @ptrToInt(special), @ptrToInt(dir), @ptrToInt(fstype), flags, data);
|
||||
}
|
||||
|
||||
@ -816,28 +831,38 @@ pub fn pwritev(fd: i32, iov: [*]const iovec_const, count: usize, offset: u64) us
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn rmdir(path: [*]const u8) usize {
|
||||
return syscall1(SYS_rmdir, @ptrToInt(path));
|
||||
return unlinkat(AT_FDCWD, path, AT_REMOVEDIR);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn symlink(existing: [*]const u8, new: [*]const u8) usize {
|
||||
return syscall2(SYS_symlink, @ptrToInt(existing), @ptrToInt(new));
|
||||
return symlinkat(existing, AT_FDCWD, new);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn symlinkat(existing: [*]const u8, newfd: i32, newpath: [*]const u8) usize {
|
||||
return syscall3(SYS_symlinkat, @ptrToInt(existing), @intCast(usize, newfd), @ptrToInt(newpath));
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn pread(fd: i32, buf: [*]u8, count: usize, offset: usize) usize {
|
||||
return syscall4(SYS_pread, @intCast(usize, fd), @ptrToInt(buf), count, offset);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn access(path: [*]const u8, mode: u32) usize {
|
||||
return syscall2(SYS_access, @ptrToInt(path), mode);
|
||||
return faccessat(AT_FDCWD, path, mode);
|
||||
}
|
||||
|
||||
pub fn faccessat(dirfd: i32, path: [*]const u8, mode: u32) usize {
|
||||
return syscall3(SYS_faccessat, @intCast(usize, dirfd), @ptrToInt(path), mode);
|
||||
}
|
||||
|
||||
pub fn pipe(fd: *[2]i32) usize {
|
||||
return pipe2(fd, 0);
|
||||
}
|
||||
|
||||
pub fn pipe2(fd: *[2]i32, flags: usize) usize {
|
||||
pub fn pipe2(fd: *[2]i32, flags: u32) usize {
|
||||
return syscall2(SYS_pipe2, @ptrToInt(fd), flags);
|
||||
}
|
||||
|
||||
@ -851,12 +876,17 @@ pub fn pwrite(fd: i32, buf: [*]const u8, count: usize, offset: usize) usize {
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn rename(old: [*]const u8, new: [*]const u8) usize {
|
||||
return syscall2(SYS_rename, @ptrToInt(old), @ptrToInt(new));
|
||||
return renameat2(AT_FDCWD, old, AT_FDCWD, new, 0);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn renameat2(oldfd: i32, oldpath: [*]const u8, newfd: i32, newpath: [*]const u8, flags: u32) usize {
|
||||
return syscall5(SYS_renameat2, @intCast(usize, oldfd), @ptrToInt(oldpath), @intCast(usize, newfd), @ptrToInt(newpath), flags);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn open(path: [*]const u8, flags: u32, perm: usize) usize {
|
||||
return syscall3(SYS_open, @ptrToInt(path), flags, perm);
|
||||
return openat(AT_FDCWD, path, flags, perm);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
@ -865,7 +895,7 @@ pub fn create(path: [*]const u8, perm: usize) usize {
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn openat(dirfd: i32, path: [*]const u8, flags: usize, mode: usize) usize {
|
||||
pub fn openat(dirfd: i32, path: [*]const u8, flags: u32, mode: usize) usize {
|
||||
return syscall4(SYS_openat, @intCast(usize, dirfd), @ptrToInt(path), flags, mode);
|
||||
}
|
||||
|
||||
@ -875,7 +905,7 @@ pub fn clone5(flags: usize, child_stack_ptr: usize, parent_tid: *i32, child_tid:
|
||||
}
|
||||
|
||||
/// See also `clone` (from the arch-specific include)
|
||||
pub fn clone2(flags: usize, child_stack_ptr: usize) usize {
|
||||
pub fn clone2(flags: u32, child_stack_ptr: usize) usize {
|
||||
return syscall2(SYS_clone, flags, child_stack_ptr);
|
||||
}
|
||||
|
||||
@ -898,7 +928,7 @@ pub fn exit_group(status: i32) noreturn {
|
||||
}
|
||||
|
||||
pub fn getrandom(buf: [*]u8, count: usize, flags: u32) usize {
|
||||
return syscall3(SYS_getrandom, @ptrToInt(buf), count, @intCast(usize, flags));
|
||||
return syscall3(SYS_getrandom, @ptrToInt(buf), count, flags);
|
||||
}
|
||||
|
||||
pub fn kill(pid: i32, sig: i32) usize {
|
||||
@ -907,7 +937,12 @@ pub fn kill(pid: i32, sig: i32) usize {
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn unlink(path: [*]const u8) usize {
|
||||
return syscall1(SYS_unlink, @ptrToInt(path));
|
||||
return unlinkat(AT_FDCWD, path, 0);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn unlinkat(dirfd: i32, path: [*]const u8, flags: u32) usize {
|
||||
return syscall3(SYS_unlinkat, @intCast(usize, dirfd), @ptrToInt(path), flags);
|
||||
}
|
||||
|
||||
pub fn waitpid(pid: i32, status: *i32, options: i32) usize {
|
||||
@ -1222,12 +1257,17 @@ pub fn fstat(fd: i32, stat_buf: *Stat) usize {
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn stat(pathname: [*]const u8, statbuf: *Stat) usize {
|
||||
return syscall2(SYS_stat, @ptrToInt(pathname), @ptrToInt(statbuf));
|
||||
return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn lstat(pathname: [*]const u8, statbuf: *Stat) usize {
|
||||
return syscall2(SYS_lstat, @ptrToInt(pathname), @ptrToInt(statbuf));
|
||||
return fstatat(AF_FDCWD, pathname, statbuf, AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
pub fn fstatat(dirfd: i32, path: [*]const u8, stat_buf: *Stat, flags: u32) usize {
|
||||
return syscall4(SYS_fstatat, @intCast(usize, dirfd), @ptrToInt(path), @ptrToInt(stat_buf), flags);
|
||||
}
|
||||
|
||||
// TODO https://github.com/ziglang/zig/issues/265
|
||||
@ -1318,7 +1358,18 @@ pub fn epoll_ctl(epoll_fd: i32, op: u32, fd: i32, ev: *epoll_event) usize {
|
||||
}
|
||||
|
||||
pub fn epoll_wait(epoll_fd: i32, events: [*]epoll_event, maxevents: u32, timeout: i32) usize {
|
||||
return syscall4(SYS_epoll_wait, @intCast(usize, epoll_fd), @ptrToInt(events), @intCast(usize, maxevents), @intCast(usize, timeout));
|
||||
return epoll_pwait(epoll_fd, events, maxevents, timeout, null);
|
||||
}
|
||||
|
||||
pub fn epoll_pwait(epoll_fd: i32, events: [*]epoll_event, maxevents: u32, timeout: i32, sigmask: ?*sigset_t) usize {
|
||||
return syscall6(SYS_epoll_pwait,
|
||||
@intCast(usize, epoll_fd),
|
||||
@ptrToInt(events),
|
||||
@intCast(usize, maxevents),
|
||||
@intCast(usize, timeout),
|
||||
@ptrToInt(sigmask),
|
||||
@sizeOf(sigset_t)
|
||||
);
|
||||
}
|
||||
|
||||
pub fn eventfd(count: u32, flags: u32) usize {
|
||||
@ -1326,7 +1377,7 @@ pub fn eventfd(count: u32, flags: u32) usize {
|
||||
}
|
||||
|
||||
pub fn timerfd_create(clockid: i32, flags: u32) usize {
|
||||
return syscall2(SYS_timerfd_create, @intCast(usize, clockid), @intCast(usize, flags));
|
||||
return syscall2(SYS_timerfd_create, @intCast(usize, clockid), flags);
|
||||
}
|
||||
|
||||
pub const itimerspec = extern struct {
|
||||
@ -1339,7 +1390,7 @@ pub fn timerfd_gettime(fd: i32, curr_value: *itimerspec) usize {
|
||||
}
|
||||
|
||||
pub fn timerfd_settime(fd: i32, flags: u32, new_value: *const itimerspec, old_value: ?*itimerspec) usize {
|
||||
return syscall4(SYS_timerfd_settime, @intCast(usize, fd), @intCast(usize, flags), @ptrToInt(new_value), @ptrToInt(old_value));
|
||||
return syscall4(SYS_timerfd_settime, @intCast(usize, fd), flags, @ptrToInt(new_value), @ptrToInt(old_value));
|
||||
}
|
||||
|
||||
pub const _LINUX_CAPABILITY_VERSION_1 = 0x19980330;
|
||||
@ -1449,7 +1500,7 @@ pub const cap_user_data_t = extern struct {
|
||||
};
|
||||
|
||||
pub fn unshare(flags: usize) usize {
|
||||
return syscall1(SYS_unshare, @intCast(usize, flags));
|
||||
return syscall1(SYS_unshare, flags);
|
||||
}
|
||||
|
||||
pub fn capget(hdrp: *cap_user_header_t, datap: *cap_user_data_t) usize {
|
||||
@ -1468,6 +1519,14 @@ pub const inotify_event = extern struct {
|
||||
//name: [?]u8,
|
||||
};
|
||||
|
||||
pub const dirent64 = extern struct {
|
||||
d_ino: u64,
|
||||
d_off: u64,
|
||||
d_reclen: u16,
|
||||
d_type: u8,
|
||||
d_name: u8, // field address is the address of first byte of name https://github.com/ziglang/zig/issues/173
|
||||
};
|
||||
|
||||
test "import" {
|
||||
if (builtin.os == builtin.Os.linux) {
|
||||
_ = @import("test.zig");
|
||||
|
||||
@ -5,7 +5,7 @@ const cstr = std.cstr;
|
||||
const mem = std.mem;
|
||||
|
||||
pub fn lookup(vername: []const u8, name: []const u8) usize {
|
||||
const vdso_addr = std.os.linux_aux_raw[std.elf.AT_SYSINFO_EHDR];
|
||||
const vdso_addr = std.os.linuxGetAuxVal(std.elf.AT_SYSINFO_EHDR);
|
||||
if (vdso_addr == 0) return 0;
|
||||
|
||||
const eh = @intToPtr(*elf.Ehdr, vdso_addr);
|
||||
|
||||
@ -266,6 +266,8 @@ pub const SYS_mknodat = 259;
|
||||
pub const SYS_fchownat = 260;
|
||||
pub const SYS_futimesat = 261;
|
||||
pub const SYS_newfstatat = 262;
|
||||
// https://github.com/ziglang/zig/issues/1439
|
||||
pub const SYS_fstatat = 262;
|
||||
pub const SYS_unlinkat = 263;
|
||||
pub const SYS_renameat = 264;
|
||||
pub const SYS_linkat = 265;
|
||||
@ -371,6 +373,13 @@ pub const F_GETOWN_EX = 16;
|
||||
|
||||
pub const F_GETOWNER_UIDS = 17;
|
||||
|
||||
pub const AT_FDCWD = -100;
|
||||
pub const AT_SYMLINK_NOFOLLOW = 0x100;
|
||||
pub const AT_REMOVEDIR = 0x200;
|
||||
pub const AT_SYMLINK_FOLLOW = 0x400;
|
||||
pub const AT_NO_AUTOMOUNT = 0x800;
|
||||
pub const AT_EMPTY_PATH = 0x1000;
|
||||
|
||||
pub const VDSO_USEFUL = true;
|
||||
pub const VDSO_CGT_SYM = "__vdso_clock_gettime";
|
||||
pub const VDSO_CGT_VER = "LINUX_2.6";
|
||||
@ -521,11 +530,4 @@ pub const timezone = extern struct {
|
||||
tz_dsttime: i32,
|
||||
};
|
||||
|
||||
pub const dirent = extern struct {
|
||||
d_ino: usize,
|
||||
d_off: usize,
|
||||
d_reclen: u16,
|
||||
d_name: u8, // field address is the address of first byte of name
|
||||
};
|
||||
|
||||
pub const Elf_Symndx = u32;
|
||||
|
||||
@ -30,6 +30,11 @@ nakedcc fn _start() noreturn {
|
||||
: [argc] "=r" (-> [*]usize)
|
||||
);
|
||||
},
|
||||
builtin.Arch.aarch64v8 => {
|
||||
argc_ptr = asm ("mov %[argc], sp"
|
||||
: [argc] "=r" (-> [*]usize)
|
||||
);
|
||||
},
|
||||
else => @compileError("unsupported arch"),
|
||||
}
|
||||
// If LLVM inlines stack variables into _start, they will overwrite
|
||||
@ -54,11 +59,8 @@ fn posixCallMainAndExit() noreturn {
|
||||
const envp = @ptrCast([*][*]u8, envp_optional)[0..envp_count];
|
||||
if (builtin.os == builtin.Os.linux) {
|
||||
const auxv = @ptrCast([*]usize, envp.ptr + envp_count + 1);
|
||||
var i: usize = 0;
|
||||
while (auxv[i] != 0) : (i += 2) {
|
||||
if (auxv[i] < std.os.linux_aux_raw.len) std.os.linux_aux_raw[auxv[i]] = auxv[i + 1];
|
||||
}
|
||||
std.debug.assert(std.os.linux_aux_raw[std.elf.AT_PAGESZ] == std.os.page_size);
|
||||
std.os.linux_elf_aux_maybe = @ptrCast([*]std.elf.Auxv, auxv);
|
||||
std.debug.assert(std.os.linuxGetAuxVal(std.elf.AT_PAGESZ) == std.os.page_size);
|
||||
}
|
||||
|
||||
std.os.posix.exit(callMainWithArgs(argc, argv, envp));
|
||||
|
||||
@ -60,7 +60,7 @@ comptime {
|
||||
{
|
||||
@export("__stack_chk_fail", __stack_chk_fail, builtin.GlobalLinkage.Strong);
|
||||
}
|
||||
if (builtin.os == builtin.Os.linux and builtin.arch == builtin.Arch.x86_64) {
|
||||
if (builtin.os == builtin.Os.linux) {
|
||||
@export("clone", clone, builtin.GlobalLinkage.Strong);
|
||||
}
|
||||
}
|
||||
@ -72,32 +72,64 @@ extern fn __stack_chk_fail() noreturn {
|
||||
// it causes a segfault in release mode. this is a workaround of calling it
|
||||
// across .o file boundaries. fix comptime @ptrCast of nakedcc functions.
|
||||
nakedcc fn clone() void {
|
||||
asm volatile (
|
||||
\\ xor %%eax,%%eax
|
||||
\\ mov $56,%%al
|
||||
\\ mov %%rdi,%%r11
|
||||
\\ mov %%rdx,%%rdi
|
||||
\\ mov %%r8,%%rdx
|
||||
\\ mov %%r9,%%r8
|
||||
\\ mov 8(%%rsp),%%r10
|
||||
\\ mov %%r11,%%r9
|
||||
\\ and $-16,%%rsi
|
||||
\\ sub $8,%%rsi
|
||||
\\ mov %%rcx,(%%rsi)
|
||||
\\ syscall
|
||||
\\ test %%eax,%%eax
|
||||
\\ jnz 1f
|
||||
\\ xor %%ebp,%%ebp
|
||||
\\ pop %%rdi
|
||||
\\ call *%%r9
|
||||
\\ mov %%eax,%%edi
|
||||
\\ xor %%eax,%%eax
|
||||
\\ mov $60,%%al
|
||||
\\ syscall
|
||||
\\ hlt
|
||||
\\1: ret
|
||||
\\
|
||||
);
|
||||
if (builtin.arch == builtin.Arch.x86_64) {
|
||||
asm volatile (
|
||||
\\ xor %%eax,%%eax
|
||||
\\ mov $56,%%al // SYS_clone
|
||||
\\ mov %%rdi,%%r11
|
||||
\\ mov %%rdx,%%rdi
|
||||
\\ mov %%r8,%%rdx
|
||||
\\ mov %%r9,%%r8
|
||||
\\ mov 8(%%rsp),%%r10
|
||||
\\ mov %%r11,%%r9
|
||||
\\ and $-16,%%rsi
|
||||
\\ sub $8,%%rsi
|
||||
\\ mov %%rcx,(%%rsi)
|
||||
\\ syscall
|
||||
\\ test %%eax,%%eax
|
||||
\\ jnz 1f
|
||||
\\ xor %%ebp,%%ebp
|
||||
\\ pop %%rdi
|
||||
\\ call *%%r9
|
||||
\\ mov %%eax,%%edi
|
||||
\\ xor %%eax,%%eax
|
||||
\\ mov $60,%%al // SYS_exit
|
||||
\\ syscall
|
||||
\\ hlt
|
||||
\\1: ret
|
||||
\\
|
||||
);
|
||||
} else if (builtin.arch == builtin.Arch.aarch64v8) {
|
||||
// __clone(func, stack, flags, arg, ptid, tls, ctid)
|
||||
// x0, x1, w2, x3, x4, x5, x6
|
||||
|
||||
// syscall(SYS_clone, flags, stack, ptid, tls, ctid)
|
||||
// x8, x0, x1, x2, x3, x4
|
||||
asm volatile (
|
||||
\\ // align stack and save func,arg
|
||||
\\ and x1,x1,#-16
|
||||
\\ stp x0,x3,[x1,#-16]!
|
||||
\\
|
||||
\\ // syscall
|
||||
\\ uxtw x0,w2
|
||||
\\ mov x2,x4
|
||||
\\ mov x3,x5
|
||||
\\ mov x4,x6
|
||||
\\ mov x8,#220 // SYS_clone
|
||||
\\ svc #0
|
||||
\\
|
||||
\\ cbz x0,1f
|
||||
\\ // parent
|
||||
\\ ret
|
||||
\\ // child
|
||||
\\1: ldp x1,x0,[sp],#16
|
||||
\\ blr x1
|
||||
\\ mov x8,#93 // SYS_exit
|
||||
\\ svc #0
|
||||
);
|
||||
} else {
|
||||
@compileError("Implement clone() for this arch.");
|
||||
}
|
||||
}
|
||||
|
||||
const math = @import("../math/index.zig");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user