lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

71 files changed, 2853 insertions, 0 deletions

diff --git a/lib/mlibc/sysdeps/ironclad/crt-x86_64/crt0.S b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crt0.S
new file mode 100644
index 0000000..18d109e
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crt0.S
@@ -0,0 +1,9 @@
+
+.section .text
+.global _start
+_start:
+    mov $main, %rdi
+    call __mlibc_entry
+
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/ironclad/crt-x86_64/crti.S b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crti.S
new file mode 100644
index 0000000..911b078
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crti.S
@@ -0,0 +1,11 @@
+.section .init
+.global _init
+_init:
+	push %rax
+
+.section .fini
+.global _fini
+_fini:
+	push %rax
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/ironclad/crt-x86_64/crtn.S b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crtn.S
new file mode 100644
index 0000000..0187e50
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/crt-x86_64/crtn.S
@@ -0,0 +1,9 @@
+.section .init
+	pop %rax
+	ret
+
+.section .fini
+	pop %rax
+	ret
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/ironclad/generic/entry.cpp b/lib/mlibc/sysdeps/ironclad/generic/entry.cpp
new file mode 100644
index 0000000..2b8b914
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/entry.cpp
@@ -0,0 +1,35 @@
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <bits/ensure.h>
+#include <mlibc/elf/startup.h>
+
+// defined by the POSIX library
+void __mlibc_initLocale();
+
+extern "C" uintptr_t *__dlapi_entrystack();
+
+extern char **environ;
+static mlibc::exec_stack_data __mlibc_stack_data;
+
+struct LibraryGuard {
+	LibraryGuard();
+};
+
+static LibraryGuard guard;
+
+LibraryGuard::LibraryGuard() {
+	__mlibc_initLocale();
+
+	// Parse the exec() stack.
+	mlibc::parse_exec_stack(__dlapi_entrystack(), &__mlibc_stack_data);
+	mlibc::set_startup_data(__mlibc_stack_data.argc, __mlibc_stack_data.argv,
+			__mlibc_stack_data.envp);
+}
+
+extern "C" void __mlibc_entry(int (*main_fn)(int argc, char *argv[], char *env[])) {
+	// TODO: call __dlapi_enter, otherwise static builds will break (see Linux sysdeps)
+	auto result = main_fn(__mlibc_stack_data.argc, __mlibc_stack_data.argv, environ);
+	exit(result);
+}
+
diff --git a/lib/mlibc/sysdeps/ironclad/generic/generic.cpp b/lib/mlibc/sysdeps/ironclad/generic/generic.cpp
new file mode 100644
index 0000000..3d15365
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/generic.cpp
@@ -0,0 +1,1266 @@
+#include <mlibc-config.h>
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
+#include <errno.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <asm/ioctls.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/syscall.h>
+#include <sys/ironclad_devices.h>
+#include <sched.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <sys/file.h>
+#include <mlibc/tcb.hpp>
+
+namespace mlibc {
+
+void sys_libc_log(const char *message) {
+	ssize_t unused;
+	char new_line = '\n';
+	sys_write(2, message, strlen(message), &unused);
+	sys_write(2, &new_line, 1, &unused);
+}
+
+void sys_libc_panic() {
+	ssize_t unused;
+	char const *message = "mlibc panicked unrecoverably\n";
+	sys_write(2, message, strlen(message), &unused);
+	sys_exit(1);
+}
+
+void sys_exit(int status) {
+	int ret, errno;
+	SYSCALL1(SYSCALL_EXIT, status);
+	__builtin_unreachable();
+}
+
+int sys_tcb_set(void *pointer) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_ARCH_PRCTL, 1, pointer);
+	return errno;
+}
+
+int sys_thread_getname(void *tcb, char *name, size_t size) {
+	int ret, errno;
+	auto t = reinterpret_cast<Tcb *>(tcb);
+	SYSCALL3(SYSCALL_GETTIDID, t->tid, name, size);
+	return errno;
+}
+
+int sys_thread_setname(void *tcb, const char *name) {
+	int ret, errno;
+	size_t len = strlen(name);
+	auto t = reinterpret_cast<Tcb *>(tcb);
+	SYSCALL3(SYSCALL_SETTIDID, t->tid, name, len);
+	return errno;
+}
+
+int sys_open(const char *path, int flags, mode_t mode, int *fd) {
+	return sys_openat(AT_FDCWD, path, flags, mode, fd);
+}
+
+int sys_openat(int dirfd, const char *path, int flags, mode_t mode, int *fd) {
+	int ret, errno;
+
+	int path_len = strlen (path);
+	SYSCALL4(SYSCALL_OPEN, dirfd, path, path_len, flags);
+	if (ret != -1 && (flags & O_EXCL)) {
+		 SYSCALL1(SYSCALL_CLOSE, ret);
+		 return EEXIST;
+	}
+
+	if (ret == -1 && (flags & O_CREAT)) {
+		 SYSCALL5(SYSCALL_MAKENODE, AT_FDCWD, path, path_len, mode, 0);
+		 if (ret == -1) {
+			  return errno;
+		 }
+		 SYSCALL4(SYSCALL_OPEN,	AT_FDCWD, path, path_len, flags);
+	} else if (ret != -1 && (flags & O_TRUNC)) {
+		// If the file cannot be truncated, dont sweat it, some software
+		// depends on some things being truncate-able that ironclad does not
+		// allow. For example, some devices.
+		sys_ftruncate(ret, 0);
+	} else if (ret != -1 && (flags & O_DIRECTORY)) {
+		struct stat st;
+		sys_stat(fsfd_target::fd, ret, NULL, 0, &st);
+		if (!S_ISDIR (st.st_mode)) {
+			ret	= -1;
+			errno = ENOTDIR;
+		}
+	}
+
+	*fd = ret;
+	return errno;
+}
+
+int sys_open_dir(const char *path, int *handle) {
+	return sys_open(path, O_RDONLY | O_DIRECTORY, 0660, handle);
+}
+
+int sys_read_entries(int handle, void *buffer, size_t max_size, size_t *bytes_read) {
+	size_t ret;
+	int errno;
+	SYSCALL3(SYSCALL_GETDENTS, handle, buffer, max_size);
+	if (errno != 0) {
+		return errno;
+	} else {
+		*bytes_read = ret;
+		return 0;
+	}
+}
+
+void sys_thread_exit() {
+	 int ret, errno;
+	 SYSCALL0(SYSCALL_EXIT_THREAD);
+	 __builtin_unreachable();
+}
+
+int sys_close(int fd) {
+	int ret, errno;
+	SYSCALL1(SYSCALL_CLOSE, fd);
+	return errno;
+}
+
+void sys_sync() {
+	int ret, errno;
+	SYSCALL0(SYSCALL_SYNC);
+	if (ret != 0) {
+		sys_libc_log("mlibc: sync failed");
+	}
+}
+
+int sys_fsync(int fd) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_FSYNC, fd, 0);
+	return errno;
+}
+
+int sys_fdatasync(int fd) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_FSYNC, fd, 1);
+	return errno;
+}
+
+int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read) {
+	ssize_t ret;
+	int errno;
+	SYSCALL3(SYSCALL_READ, fd, buf, count);
+	*bytes_read = ret;
+	return errno;
+}
+
+int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written) {
+	ssize_t ret;
+	int errno;
+	SYSCALL3(SYSCALL_WRITE, fd, buf, count);
+	*bytes_written = ret;
+	return errno;
+}
+
+int sys_pread(int fd, void *buf, size_t n, off_t off, ssize_t *bytes_read) {
+	ssize_t ret;
+	int errno;
+	SYSCALL4(SYSCALL_PREAD, fd, buf, n, off);
+	*bytes_read = ret;
+	return errno;
+}
+
+int sys_pwrite(int fd, const void *buf, size_t n, off_t off, ssize_t *bytes_written) {
+	ssize_t ret;
+	int errno;
+	SYSCALL4(SYSCALL_WRITE, fd, buf, n, off);
+	*bytes_written = ret;
+	return errno;
+}
+
+int sys_seek(int fd, off_t offset, int whence, off_t *new_offset) {
+	ssize_t ret;
+	int errno;
+	SYSCALL3(SYSCALL_SEEK, fd, offset, whence);
+	*new_offset = ret;
+	return errno;
+}
+
+int sys_ftruncate (int fd, size_t size) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_TRUNCATE, fd, size);
+	return errno;
+}
+
+int sys_flock(int fd, int options) {
+	//  XXX: Shouldnt this use F_SETLKW and F_SETLK only when LOCK_NB ?
+	struct flock lock;
+	lock.l_whence = SEEK_SET;
+	lock.l_start = 0;
+	lock.l_len = (off_t)((uint64_t)-1);
+	lock.l_pid = sys_getpid();
+
+	switch (options & ~(LOCK_NB)) {
+		case LOCK_SH:
+			lock.l_type = F_RDLCK;
+			break;
+		case LOCK_EX:
+			lock.l_type = F_WRLCK;
+			break;
+		case LOCK_UN:
+			lock.l_type = F_UNLCK;
+			break;
+		default:
+			return -1;
+	}
+
+	int ret, errno;
+	SYSCALL3(SYSCALL_FCNTL, fd, F_SETLK, &lock);
+	return errno;
+}
+
+int sys_getpriority(int which, id_t who, int *value) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_GETPRIO, which, who);
+	*value = ret;
+	return errno;
+}
+
+int sys_setpriority(int which, id_t who, int value) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_SETPRIO, which, who, value);
+	return errno;
+}
+
+int sys_getrusage(int scope, struct rusage *usage) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_GETRUSAGE, scope, usage);
+
+	// Ironclad returns nanoseconds instead of microseconds for usage, so we
+	// have to compensate for that.
+	usage->ru_utime.tv_usec = usage->ru_utime.tv_usec / 1000;
+	usage->ru_stime.tv_usec = usage->ru_stime.tv_usec / 1000;
+
+	return errno;
+}
+
+int sys_anon_allocate(size_t size, void **pointer) {
+	return sys_vm_map(NULL, size, PROT_READ | PROT_WRITE, MAP_ANON, 0, 0, pointer);
+}
+
+int sys_anon_free(void *pointer, size_t size) {
+	return sys_vm_unmap(pointer, size);
+}
+
+int sys_vm_map(void *hint, size_t size, int prot, int flags, int fd, off_t offset, void **window) {
+	void *ret;
+	int errno;
+	SYSCALL6(SYSCALL_MMAP, hint, size, prot, flags, fd, offset);
+	*window = ret;
+	return errno;
+}
+
+int sys_getsockopt(int fd, int layer, int number, void *__restrict buffer, socklen_t *__restrict size) {
+	int ret, errno;
+	SYSCALL5(SYSCALL_GETSOCKOPT, fd, layer, number, buffer, size);
+	return errno;
+}
+
+int sys_setsockopt(int fd, int layer, int number, const void *buffer, socklen_t size) {
+	int ret, errno;
+	SYSCALL5(SYSCALL_SETSOCKOPT, fd, layer, number, buffer, size);
+	return errno;
+}
+
+int sys_vm_unmap(void *pointer, size_t size) {
+	int ret;
+	int errno;
+	SYSCALL2(SYSCALL_MUNMAP, pointer, size);
+	if (ret != 0) {
+		return errno;
+	} else {
+		return 0;
+	}
+}
+
+int sys_getcwd(char *buf, size_t size) {
+	buf[0] = '/';
+	buf[1] = '\0';
+	return 0;
+}
+
+int sys_vm_protect(void *pointer, size_t size, int prot) {
+	int ret;
+	int errno;
+	SYSCALL3(SYSCALL_MPROTECT, pointer, size, prot);
+	if (ret != 0) {
+		return errno;
+	}
+	return 0;
+}
+
+int sys_getsid(pid_t pid, pid_t *sid) {
+	//  STUB.
+	return 0;
+}
+
+pid_t sys_getpid() {
+	pid_t ret;
+	int errno;
+	SYSCALL0(SYSCALL_GETPID);
+	return ret;
+}
+
+pid_t sys_getppid() {
+	pid_t ret;
+	int errno;
+	SYSCALL0(SYSCALL_GETPPID);
+	return ret;
+}
+
+int sys_getgroups(size_t size, const gid_t *list, int *retval) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_GETGROUPS, size, list);
+	*retval = ret;
+	return errno;
+}
+
+int sys_setgroups(size_t size, const gid_t *list) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETGROUPS, size, list);
+	return errno;
+}
+
+int sys_sigaction(int signum, const struct sigaction *act, struct sigaction *oldact) {
+	return 0;
+}
+
+int sys_ptrace(long req, pid_t pid, void *addr, void *data, long *out) {
+	int ret, errno;
+	SYSCALL4(SYSCALL_PTRACE, req, pid, addr, data);
+	*out = (long)ret;
+	return errno;
+}
+
+int sys_fcntl(int fd, int request, va_list args, int *result) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_FCNTL, fd, request, va_arg(args, uint64_t));
+	*result = ret;
+	return errno;
+}
+
+int sys_sigprocmask(int how, const sigset_t *__restrict set, sigset_t *__restrict retrieve) {
+	return 0;
+}
+
+int sys_isatty(int fd) {
+	struct termios t;
+	if (sys_tcgetattr(fd, &t) == 0) {
+		return 0;
+	} else {
+		return ENOTTY;
+	}
+}
+
+int sys_getpgid(pid_t pid, pid_t *pgid) {
+	(void)pid;
+	// FIXME: Stub needed by mlibc.
+	*pgid = 0;
+	return 0;
+}
+
+int sys_execve(const char *path, char *const argv[], char *const envp[]) {
+	int ret, errno, argv_len, envp_len;
+	for (argv_len = 0; argv[argv_len] != NULL; argv_len++);
+	for (envp_len = 0; envp[envp_len] != NULL; envp_len++);
+
+	size_t path_len = strlen (path);
+	SYSCALL6(SYSCALL_EXEC, path, path_len, argv, argv_len, envp, envp_len);
+
+	if (ret == -1) {
+		return errno;
+	 }
+
+	return 0;
+}
+
+int sys_fork(pid_t *child) {
+	pid_t ret;
+	int errno;
+
+	SYSCALL6(SYSCALL_CLONE, 0, 0, 0, 0, 0, 1);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	if (child != NULL) {
+		*child = ret;
+	}
+
+	return 0;
+}
+
+int sys_getrlimit(int resource, struct rlimit *limit) {
+	uint64_t ret, errno;
+	SYSCALL1(SYSCALL_GETRLIMIT, resource);
+	limit->rlim_cur = ret;
+	limit->rlim_max = ret;
+	return errno;
+}
+
+int sys_setrlimit(int resource, const struct rlimit *limit) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETRLIMIT, resource, limit->rlim_cur);
+	return errno;
+}
+
+int sys_waitpid(pid_t pid, int *status, int flags, struct rusage *ru, pid_t *ret_pid) {
+	pid_t ret;
+	int errno;
+
+	if(ru) {
+		mlibc::infoLogger() << "mlibc: struct rusage in sys_waitpid is unsupported" << frg::endlog;
+		return ENOSYS;
+	}
+
+	SYSCALL3(SYSCALL_WAIT, pid, status, flags);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	*ret_pid = ret;
+	return errno;
+}
+
+int sys_uname(struct utsname *buf) {
+	int ret, errno;
+
+	SYSCALL3(SYSCALL_SYSCONF, 10, buf, sizeof(struct utsname));
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	return 0;
+}
+
+
+
+int sys_setpgid(pid_t pid, pid_t pgid) {
+	(void)pid;
+	(void)pgid;
+	return 0;
+}
+
+int sys_ttyname(int fd, char *buff, size_t size) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_TTYNAME, fd, buff, size);
+	return errno;
+}
+
+int sys_sethostname(const char *buff, size_t size) {
+	int ret, errno;
+
+	SYSCALL2(SYSCALL_SETHOSTNAME, buff, size);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	return 0;
+}
+
+int sys_chdir(const char *buff) {
+	int ret, errno;
+
+	size_t buff_len = strlen(buff);
+	SYSCALL4(SYSCALL_OPEN, AT_FDCWD, buff, buff_len, O_RDONLY);
+	if (ret == -1) {
+		return ENOENT;
+	}
+
+	SYSCALL1(SYSCALL_CHDIR, ret);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	return 0;
+}
+
+int sys_fchdir(int fd) {
+	int ret, errno;
+
+	SYSCALL1(SYSCALL_CHDIR, fd);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	return 0;
+}
+
+int sys_ioctl(int fd, unsigned long request, void *arg, int *result) {
+	int ret, errno;
+
+	if (request == TIOCGPGRP) {
+		*result = 0;
+		return 0;
+	} else if (request == TIOCSPGRP) {
+		return 0;
+	}
+
+	SYSCALL3(SYSCALL_IOCTL, fd, request, arg);
+
+	if (ret == -1) {
+		return errno;
+	}
+
+	*result = ret;
+	return 0;
+}
+
+void sys_yield(void) {
+	int ret, errno;
+	SYSCALL0(SYSCALL_SCHED_YIELD);
+}
+
+int sys_kill(int pid, int sig) {
+	int ret, errno;
+	if (sig == SIGKILL) {
+		SYSCALL1(SYSCALL_ACTUALLY_KILL, pid);
+	} else {
+		SYSCALL2(SYSCALL_SEND_SIGNAL, pid, sig);
+	}
+
+	return errno;
+}
+
+int sys_dup(int fd, int flags, int *newfd) {
+	int ret, errno;
+	if (flags & O_CLOEXEC) {
+		SYSCALL3(SYSCALL_FCNTL, fd, F_DUPFD_CLOEXEC, 0);
+	} else {
+		SYSCALL3(SYSCALL_FCNTL, fd, F_DUPFD, 0);
+	}
+	*newfd = ret;
+	return errno;
+}
+
+int sys_dup2(int fd, int flags, int newfd) {
+	int ret = sys_close(newfd);
+	if (ret != 0 && ret != EBADFD) {
+		return EBADFD;
+	}
+
+	int errno;
+	if (flags & O_CLOEXEC) {
+		SYSCALL3(SYSCALL_FCNTL, fd, F_DUPFD_CLOEXEC, newfd);
+	} else {
+		SYSCALL3(SYSCALL_FCNTL, fd, F_DUPFD, newfd);
+	}
+
+	if (ret != -1 && ret != newfd) {
+		return EBADFD;
+	} else {
+		return errno;
+	}
+}
+
+int sys_tcgetattr(int fd, struct termios *attr) {
+	 int ret;
+
+	 if (int r = sys_ioctl(fd, TCGETS, attr, &ret) != 0) {
+		  return r;
+	 }
+
+	 return 0;
+}
+
+int sys_tcsetattr(int fd, int optional_action, const struct termios *attr) {
+	 int ret;
+
+	 switch (optional_action) {
+		  case TCSANOW:
+				optional_action = TCSETS; break;
+		  case TCSADRAIN:
+				optional_action = TCSETSW; break;
+		  case TCSAFLUSH:
+				optional_action = TCSETSF; break;
+		  default:
+				__ensure(!"Unsupported tcsetattr");
+	 }
+
+	 if (int r = sys_ioctl(fd, optional_action, (void *)attr, &ret) != 0) {
+		  return r;
+	 }
+
+	 return 0;
+}
+
+int sys_tcflow(int fd, int action) {
+	int ret;
+	return sys_ioctl(fd, TCXONC, &action, &ret);
+}
+
+int sys_tcflush(int fd, int action) {
+	int ret;
+	return sys_ioctl(fd, TCFLSH, &action, &ret);
+}
+
+int sys_access(const char *path, int mode) {
+	int ret, errno;
+	size_t len = strlen(path);
+	SYSCALL5(SYSCALL_ACCESS, AT_FDCWD, path, len, mode, 0);
+	return errno;
+}
+
+int sys_faccessat(int dirfd, const char *pathname, int mode, int flags) {
+	int ret, errno;
+	size_t len = strlen(pathname);
+	SYSCALL5(SYSCALL_ACCESS, dirfd, pathname, len, mode, flags);
+	return errno;
+}
+
+struct futex_item {
+	 uint64_t addr;
+	 uint32_t expected;
+	 uint32_t flags;
+};
+
+int sys_futex_wait(int *pointer, int expected, const struct timespec *time) {
+	int ret, errno;
+	struct futex_item item = {.addr = (uint64_t)pointer, .expected = expected, .flags = 0};
+	if (time == NULL) {
+		 struct timespec t = {(time_t)-1, (time_t)-1};
+		 SYSCALL4(SYSCALL_FUTEX, 0b01, &item, 1, &t);
+	} else {
+		 SYSCALL4(SYSCALL_FUTEX, 0b01, &item, 1, time);
+	}
+	return errno;
+}
+
+int sys_futex_wake(int *pointer) {
+	int ret, errno;
+	struct futex_item item = {.addr = (uint64_t)pointer, .expected = 0, .flags = 0};
+	struct timespec t = {(time_t)-1, (time_t)-1};
+	SYSCALL4(SYSCALL_FUTEX, 0b10, &item, 1, &t);
+	return errno;
+}
+
+int sys_pipe(int *fds, int flags) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_PIPE, fds, flags);
+	return errno;
+}
+
+int sys_getentropy(void *buffer, size_t length) {
+	ssize_t ret;
+	int errno;
+	SYSCALL2(SYSCALL_GETRANDOM, buffer, length);
+	return errno;
+}
+
+int sys_mkdir(const char *path, mode_t mode) {
+	return sys_mkdirat(AT_FDCWD, path, mode);
+}
+
+int sys_mkdirat(int dirfd, const char *path, mode_t mode) {
+	int ret, errno;
+	size_t path_len = strlen (path);
+	SYSCALL5(SYSCALL_MAKENODE, dirfd, path, path_len, S_IFDIR | mode, 0);
+	return errno;
+}
+
+int sys_rmdir(const char* path){
+	int ret, errno;
+	size_t path_len = strlen (path);
+	SYSCALL3(SYSCALL_UNLINK, AT_FDCWD, path, path_len);
+	return errno;
+}
+
+int sys_unlinkat(int fd, const char *path, int flags) {
+	int ret, errno;
+	size_t path_len = strlen (path);
+	SYSCALL3(SYSCALL_UNLINK, fd, path, path_len);
+	return errno;
+}
+
+int sys_link(const char* srcpath, const char* destpath) {
+	int ret, errno;
+	size_t src_len = strlen (srcpath);
+	size_t dst_len = strlen (destpath);
+	SYSCALL6(SYSCALL_LINK, AT_FDCWD, srcpath, src_len, AT_FDCWD, destpath, dst_len);
+	return errno;
+}
+
+int sys_socket(int domain, int type, int protocol, int *fd) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_SOCKET, domain, type, protocol);
+	if (ret != -1) {
+		*fd = ret;
+		return 0;
+	} else {
+		return errno;
+	}
+}
+
+uid_t sys_getuid() {
+	uint64_t ret, errno;
+	SYSCALL0(SYSCALL_GETUID);
+	return (uid_t)ret;
+}
+
+uid_t sys_geteuid() {
+	uint64_t ret, errno;
+	SYSCALL0(SYSCALL_GETEUID);
+	return (uid_t)ret;
+}
+
+int sys_setuid(uid_t uid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETUIDS, uid, uid);
+	return ret;
+}
+
+int sys_seteuid(uid_t euid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETUIDS, ((uint64_t)-1), euid);
+	return ret;
+}
+
+int sys_setreuid(uid_t ruid, uid_t euid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETUIDS, ruid, euid);
+	return ret;
+}
+
+gid_t sys_getgid() {
+	uint64_t ret, errno;
+	SYSCALL0(SYSCALL_GETGID);
+	return (gid_t)ret;
+}
+
+gid_t sys_getegid() {
+	return sys_getgid();
+}
+
+int sys_setgid(gid_t gid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETGIDS, gid, gid);
+	return ret;
+}
+
+int sys_setegid(gid_t egid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETGIDS, ((uint64_t)-1), egid);
+	return ret;
+}
+
+int sys_setregid(gid_t rgid, gid_t egid) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SETGIDS, rgid, egid);
+	return ret;
+}
+
+int sys_setsid(pid_t *sid) {
+	return 0;
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+extern "C" void __mlibc_thread_entry();
+
+int sys_clone(void *tcb, pid_t *tid_out, void *stack) {
+	 int ret, errno;
+	 SYSCALL6(SYSCALL_CLONE, (uintptr_t)__mlibc_thread_entry, 0, stack, 0b10, tcb, 1);
+
+	 if (ret == -1) {
+		  return errno;
+	 }
+
+	 *tid_out = (pid_t)ret;
+	 return 0;
+}
+
+int sys_prepare_stack(void **stack, void *entry, void *arg, void *tcb, size_t *stack_size, size_t *guard_size) {
+	// TODO guard
+
+	mlibc::infoLogger() << "mlibc: sys_prepare_stack() does not setup a guard!" << frg::endlog;
+
+	*guard_size = 0;
+	*stack_size = *stack_size ? *stack_size : 0x400000;
+
+	if (!*stack) {
+		*stack = (void *)((char *)mmap(NULL, *stack_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0) + *stack_size);
+		if (*stack == MAP_FAILED) {
+			return errno;
+		}
+	}
+
+	void **stack_it = (void **)*stack;
+
+	*--stack_it = arg;
+	*--stack_it = tcb;
+	*--stack_it = entry;
+
+	*stack = (void *)stack_it;
+
+	return 0;
+}
+
+int sys_clock_getres(int clock, time_t *secs, long *nanos) {
+	struct timespec time;
+	int ret, errno;
+	SYSCALL3(SYSCALL_CLOCK, 0, clock, &time);
+	*secs  = time.tv_sec;
+	*nanos = time.tv_nsec;
+	return errno;
+}
+
+int sys_clock_get(int clock, time_t *secs, long *nanos) {
+	struct timespec time;
+	int ret, errno;
+	SYSCALL3(SYSCALL_CLOCK, 1, clock, &time);
+	*secs  = time.tv_sec;
+	*nanos = time.tv_nsec;
+	return errno;
+}
+
+int sys_clock_set(int clock, time_t secs, long nanos) {
+	struct timespec time = {.tv_sec = secs, .tv_nsec = nanos };
+	int ret, errno;
+	SYSCALL3(SYSCALL_CLOCK, 2, clock, &time);
+	return errno;
+}
+
+int sys_bind(int fd, const struct sockaddr *addr_ptr, socklen_t addrlen) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_BIND, fd, addr_ptr, addrlen);
+	return errno;
+}
+
+int sys_connect(int fd, const struct sockaddr *addr_ptr, socklen_t addrlen) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_CONNECT, fd, addr_ptr, addrlen);
+	return errno;
+}
+
+int sys_listen(int fd, int backlog) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_LISTEN, fd, backlog);
+	return errno;
+}
+
+int sys_accept(int fd, int *newfd, struct sockaddr *addr_ptr, socklen_t *addr_length, int flags) {
+	int ret, errno;
+	SYSCALL4(SYSCALL_ACCEPT, fd, addr_ptr, addr_length, flags);
+	*newfd = ret;
+	return errno;
+}
+
+
+int sys_sockname(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, socklen_t *actual_length) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_GETSOCKNAME, fd, addr_ptr, &max_addr_length);
+	*actual_length = max_addr_length;
+	return errno;
+}
+
+int sys_peername(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, socklen_t *actual_length) {
+	int ret, errno;
+	SYSCALL3(SYSCALL_GETPEERNAME, fd, addr_ptr, &max_addr_length);
+	*actual_length = max_addr_length;
+	return errno;
+}
+
+int sys_shutdown(int sockfd, int how) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_SHUTDOWN, sockfd, how);
+	return errno;
+}
+
+int sys_setitimer(int which, const struct itimerval *new_value, struct itimerval *old_value) {
+	return ENOSYS;
+}
+
+int sys_msg_recv(int fd, struct msghdr *hdr, int flags, ssize_t *length) {
+	if (hdr->msg_control != NULL) {
+		// mlibc::infoLogger() << "mlibc: recv() msg_control not supported!" << frg::endlog;
+	}
+
+	int ret;
+	size_t count = 0;
+	int errno;
+
+	for (int i = 0; i < hdr->msg_iovlen; i++) {
+		SYSCALL6(SYSCALL_RECVFROM, fd, hdr->msg_iov->iov_base, hdr->msg_iov->iov_len,
+					hdr->msg_flags, hdr->msg_name, hdr->msg_namelen);
+		if (ret == -1) {
+			return errno;
+		}
+		count += ret;
+	}
+
+	*length = count;
+	return 0;
+}
+
+int sys_msg_send(int fd, const struct msghdr *hdr, int flags, ssize_t *length) {
+	if (hdr->msg_control != NULL) {
+		// mlibc::infoLogger() << "mlibc: recv() msg_control not supported!" << frg::endlog;
+	}
+
+	int ret;
+	size_t count = 0;
+	int errno;
+
+	for (int i = 0; i < hdr->msg_iovlen; i++) {
+		SYSCALL6(SYSCALL_SENDTO, fd, hdr->msg_iov->iov_base, hdr->msg_iov->iov_len,
+					hdr->msg_flags, hdr->msg_name, hdr->msg_namelen);
+		if (ret == -1) {
+			return errno;
+		}
+		count += ret;
+	}
+
+	*length = count;
+	return 0;
+}
+
+
+int sys_ppoll(struct pollfd *fds, int nfds, const struct timespec *timeout, const sigset_t *sigmask, int *num_events) {
+	// XXX: Ironclad has no sigprogmask so this is basically a weird ppoll poll
+	// chimeral abomination.
+	int ret, errno;
+	if (timeout == NULL) {
+		 struct timespec t = {.tv_sec = (time_t)-1, .tv_nsec = (time_t)-1};
+		 SYSCALL3(SYSCALL_POLL, fds, nfds, &t);
+	} else {
+		 SYSCALL3(SYSCALL_POLL, fds, nfds, timeout);
+	}
+	if (ret == -1) {
+		return errno;
+	}
+
+	*num_events = ret;
+	return errno;
+}
+
+int sys_poll(struct pollfd *fds, nfds_t count, int timeout, int *num_events) {
+	struct timespec ts;
+	ts.tv_sec = timeout / 1000;
+	ts.tv_nsec = (timeout % 1000) * 1000000;
+	return sys_ppoll(fds, count, timeout == -1 ? NULL : &ts, NULL, num_events);
+}
+
+int sys_pselect(int nfds, fd_set *read_set, fd_set *write_set,
+		fd_set *except_set, const struct timespec *timeout,
+		const sigset_t *sigmask, int *num_events) {
+	struct pollfd *fds = (struct pollfd *)calloc(nfds, sizeof(struct pollfd));
+	if (fds == NULL) {
+		return ENOMEM;
+	}
+
+	for (int i = 0; i < nfds; i++) {
+		struct pollfd *fd = &fds[i];
+
+		if (read_set && FD_ISSET(i, read_set)) {
+			fd->events |= POLLIN;
+		}
+		if (write_set && FD_ISSET(i, write_set)) {
+			fd->events |= POLLOUT;
+		}
+		if (except_set && FD_ISSET(i, except_set)) {
+			fd->events |= POLLPRI;
+		}
+
+		if (!fd->events) {
+			fd->fd = -1;
+			continue;
+		}
+		fd->fd = i;
+	}
+
+	int ret = sys_ppoll(fds, nfds, timeout, sigmask, num_events);
+	if (ret != 0) {
+		free(fds);
+		return ret;
+	}
+
+	fd_set res_read_set, res_write_set, res_except_set;
+	FD_ZERO(&res_read_set);
+	FD_ZERO(&res_write_set);
+	FD_ZERO(&res_except_set);
+
+	for (int i = 0; i < nfds; i++) {
+		struct pollfd *fd = &fds[i];
+
+		if (read_set && FD_ISSET(i, read_set) && (fd->revents & (POLLIN | POLLERR | POLLHUP)) != 0) {
+			FD_SET(i, &res_read_set);
+		}
+		if (write_set && FD_ISSET(i, write_set) && (fd->revents & (POLLOUT | POLLERR | POLLHUP)) != 0) {
+			FD_SET(i, &res_write_set);
+		}
+		if (except_set && FD_ISSET(i, except_set) && (fd->revents & POLLPRI) != 0) {
+			FD_SET(i, &res_except_set);
+		}
+	}
+
+	free(fds);
+	if (read_set) {
+		*read_set = res_read_set;
+	}
+	if (write_set) {
+		*write_set = res_write_set;
+	}
+	if (except_set) {
+		*except_set = res_except_set;
+	}
+
+	return 0;
+}
+
+int sys_sleep(time_t *secs, long *nanos) {
+	struct timespec time = {.tv_sec = *secs, .tv_nsec = *nanos};
+	struct timespec rem  = {.tv_sec = 0, .tv_nsec = 0};
+
+	int ret, errno;
+	SYSCALL4(SYSCALL_CLOCK_NANOSLEEP, CLOCK_MONOTONIC, 0, &time, &rem);
+	*secs  = rem.tv_sec;
+	*nanos = rem.tv_nsec;
+	return errno;
+}
+
+int sys_gethostname(char *buffer, size_t bufsize) {
+	struct utsname buf;
+	if (uname(&buf)) {
+		return -1;
+	}
+
+	strncpy(buffer, buf.nodename, bufsize);
+	return 0;
+}
+
+int sys_utimensat(int dirfd, const char *pathname, const struct timespec times[2], int flags) {
+	int ret, errno;
+	if (pathname == NULL) {
+		pathname = "";
+		flags |= AT_EMPTY_PATH;
+	}
+
+	size_t path_len = strlen (pathname);
+	if (times == NULL) {
+		 time_t secs;
+		 long nsec;
+		 ret = sys_clock_get(CLOCK_REALTIME, &secs, &nsec);
+		 if (ret) {
+			  return ret;
+		 }
+		 struct timespec times2[2] = {0, 0};
+		 times2[0].tv_sec = secs;
+		 times2[0].tv_nsec = nsec;
+		 times2[1].tv_sec = secs;
+		 times2[1].tv_nsec = nsec;
+		 SYSCALL5(SYSCALL_UTIMES, dirfd, pathname, path_len, &times2[0], flags);
+	} else {
+		SYSCALL5(SYSCALL_UTIMES, dirfd, pathname, path_len, times, flags);
+	}
+
+	return errno;
+}
+
+int sys_sysconf(int num, long *rret) {
+	long ret, errno;
+	SYSCALL3(SYSCALL_SYSCONF, num, 0, 0);
+	*rret = ret;
+	return errno;
+}
+
+int sys_stat(fsfd_target fsfdt, int fd, const char *path, int flags, struct stat *statbuf) {
+	int ret, errno;
+	(void)flags;
+
+	switch (fsfdt) {
+		case fsfd_target::fd: {
+			SYSCALL5(SYSCALL_STAT, fd, "", 0, statbuf, AT_EMPTY_PATH);
+			break;
+		}
+		case fsfd_target::path: {
+			size_t len = strlen(path);
+			SYSCALL5(SYSCALL_STAT, AT_FDCWD, path, len, statbuf, flags);
+			break;
+		}
+		case fsfd_target::fd_path: {
+			size_t len = strlen(path);
+			SYSCALL5(SYSCALL_STAT, fd, path, len, statbuf, flags);
+			break;
+		}
+		default: {
+			__ensure(!"stat: Invalid fsfdt");
+			__builtin_unreachable();
+		}
+	}
+
+	return errno;
+}
+
+int sys_chmod(const char *pathname, mode_t mode) {
+	int ret, errno;
+	size_t len = strlen(pathname);
+	SYSCALL5(SYSCALL_FCHMOD, AT_FDCWD, pathname, len, mode, 0);
+	return errno;
+}
+
+int sys_fchmodat(int fd, const char *pathname, mode_t mode, int flags) {
+	int ret, errno;
+	size_t len = strlen(pathname);
+	SYSCALL5(SYSCALL_FCHMOD, fd, pathname, len, mode, flags);
+	return errno;
+}
+
+int sys_fchmod(int fd, mode_t mode) {
+	int ret, errno;
+	SYSCALL5(SYSCALL_FCHMOD, fd, "", 0, mode, AT_EMPTY_PATH);
+	return errno;
+}
+
+int sys_chown(const char *pathname, uid_t uid, gid_t gid) {
+	int ret, errno;
+	size_t len = strlen(pathname);
+	SYSCALL6(SYSCALL_FCHOWN, AT_FDCWD, pathname, len, uid, gid, 0);
+	return errno;
+}
+
+int sys_fchownat(int fd, const char *pathname, uid_t uid, gid_t gid, int flags) {
+	int ret, errno;
+	size_t len = strlen(pathname);
+	SYSCALL6(SYSCALL_FCHOWN, fd, pathname, len, uid, gid, flags);
+	return errno;
+}
+
+int sys_fchown(int fd, uid_t uid, gid_t gid) {
+	int ret, errno;
+	SYSCALL6(SYSCALL_FCHOWN, fd, "", 0, uid, gid, AT_EMPTY_PATH);
+	return errno;
+}
+
+int sys_umask(mode_t mode, mode_t *old) {
+	mode_t ret;
+	int errno;
+	SYSCALL1(SYSCALL_UMASK, mode);
+	*old = (mode_t)ret;
+	return errno;
+}
+
+int sys_fadvise(int fd, off_t offset, off_t length, int advice) {
+	int ret, errno;
+	SYSCALL4(SYSCALL_FADVISE, fd, offset, length, advice);
+	return errno;
+}
+
+int sys_readlink(const char *path, void *buffer, size_t max_size, ssize_t *length) {
+	ssize_t ret;
+	int errno;
+	size_t path_len = strlen(path);
+	SYSCALL5(SYSCALL_READLINK, AT_FDCWD, path, path_len, buffer, max_size);
+	if (ret == -1) {
+		return errno;
+	} else {
+		*length = ret;
+		return 0;
+	}
+}
+
+int sys_rename(const char *path, const char *new_path) {
+	int ret;
+	int errno;
+	size_t old_len = strlen(path);
+	size_t new_len = strlen(new_path);
+	SYSCALL7(SYSCALL_RENAME, AT_FDCWD, path, old_len, AT_FDCWD, new_path, new_len, 0);
+	return errno;
+}
+
+int sys_renameat(int olddirfd, const char *old_path, int newdirfd, const char *new_path) {
+	int ret;
+	int errno;
+	size_t old_len = strlen(old_path);
+	size_t new_len = strlen(new_path);
+	SYSCALL7(SYSCALL_RENAME, olddirfd, old_path, old_len, newdirfd, new_path, new_len, 0);
+	return errno;
+}
+
+int sys_mknodat(int dirfd, const char *path, mode_t mode, dev_t dev) {
+	int ret;
+	int errno;
+	size_t len = strlen(path);
+	SYSCALL5(SYSCALL_MAKENODE, dirfd, path, len, mode, dev);
+	return errno;
+}
+
+#define SC_LIST_MOUNTS 9
+struct mountinfo {
+	uint32_t type;
+	uint32_t flags;
+	char source[20];
+	uint32_t source_length;
+	char location[20];
+	uint32_t location_length;
+	uint64_t block_size;
+	uint64_t fragment_size;
+	uint64_t size_in_fragments;
+	uint64_t free_blocks;
+	uint64_t free_blocks_user;
+	uint64_t inode_count;
+	uint64_t free_inodes;
+	uint64_t free_inodes_user;
+	uint64_t max_filename;
+};
+
+#include <sys/mount.h>
+
+int sys_fstatvfs(int fd, struct statvfs *out) {
+	return sys_statvfs("/", out);
+}
+
+int sys_statvfs(const char *path, struct statvfs *out) {
+	long ret, errno;
+	struct mountinfo *buffer = (mountinfo *)malloc(5 * sizeof(struct mountinfo));
+	SYSCALL3(SYSCALL_SYSCONF, SC_LIST_MOUNTS, buffer, 5 * sizeof(struct mountinfo));
+	if (errno) {
+		free(buffer);
+		return errno;
+	} else if (ret > 5) {
+		free(buffer);
+		return 1;
+	}
+
+	for (int i = 0; i < ret; i++) {
+		if (!strncmp(path, buffer[i].location, buffer[i].location_length)) {
+			out->f_bsize  = buffer[i].block_size;
+			out->f_frsize = buffer[i].fragment_size;
+			out->f_blocks = buffer[i].size_in_fragments;
+			out->f_bfree  = buffer[i].free_blocks;
+			out->f_bavail = buffer[i].free_blocks_user;
+			out->f_files  = buffer[i].inode_count;
+			out->f_ffree  = buffer[i].free_inodes;
+			out->f_favail = buffer[i].free_inodes_user;
+			out->f_fsid = 0;
+			out->f_flag = buffer[i].flags;
+			out->f_namemax = buffer[i].max_filename;
+			if (buffer[i].type == MNT_EXT) {
+				strcpy(out->f_basetype, "ext");
+			} else {
+				strcpy(out->f_basetype, "fat");
+			}
+			return 0;
+		}
+	}
+
+	return EINVAL;
+}
+#endif
+} // namespace mlibc
diff --git a/lib/mlibc/sysdeps/ironclad/generic/mac.cpp b/lib/mlibc/sysdeps/ironclad/generic/mac.cpp
new file mode 100644
index 0000000..12b63d8
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/mac.cpp
@@ -0,0 +1,32 @@
+#include <sys/syscall.h>
+#include <sys/mac.h>
+#include <errno.h>
+#include <string.h>
+
+extern "C" {
+
+unsigned long get_mac_capabilities(void) {
+	int ret;
+	SYSCALL0(SYSCALL_GET_MAC_CAPABILITIES);
+	return ret;
+}
+
+int set_mac_capabilities(unsigned long request) {
+	int ret;
+	SYSCALL1(SYSCALL_SET_MAC_CAPABILITIES, request);
+	return ret;
+}
+
+int add_mac_permissions(const char *path, int flags) {
+	int ret;
+	SYSCALL3(SYSCALL_ADD_MAC_PERMISSIONS, path, strlen(path), flags);
+	return ret;
+}
+
+int set_mac_enforcement(unsigned long enforcement) {
+	int ret;
+	SYSCALL1(SYSCALL_SET_MAC_ENFORCEMENT, enforcement);
+	return ret;
+}
+
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/mntent.cpp b/lib/mlibc/sysdeps/ironclad/generic/mntent.cpp
new file mode 100644
index 0000000..d064af3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/mntent.cpp
@@ -0,0 +1,97 @@
+#include <errno.h>
+#include <mntent.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include <bits/ensure.h>
+
+namespace {
+
+char *internal_buf;
+size_t internal_bufsize;
+
+}
+
+#define SENTINEL (char *)&internal_buf
+
+FILE *setmntent(const char *name, const char *mode) {
+	return fopen(name, mode);
+}
+
+struct mntent *getmntent(FILE *f) {
+	static struct mntent mnt;
+	return getmntent_r(f, &mnt, SENTINEL, 0);
+}
+
+int addmntent(FILE *f, const struct mntent *mnt) {
+	if(fseek(f, 0, SEEK_END)) {
+		return 1;
+	}
+	return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
+		mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
+		mnt->mnt_freq, mnt->mnt_passno) < 0;
+}
+
+int endmntent(FILE *f) {
+	if(f) {
+		fclose(f);
+	}
+	return 1;
+}
+
+char *hasmntopt(const struct mntent *mnt, const char *opt) {
+	return strstr(mnt->mnt_opts, opt);
+}
+
+/* Adapted from musl */
+struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen) {
+	int n[8];
+	bool use_internal = (linebuf == SENTINEL);
+	int len;
+	size_t i;
+
+	mnt->mnt_freq = 0;
+	mnt->mnt_passno = 0;
+
+	do {
+		if(use_internal) {
+			getline(&internal_buf, &internal_bufsize, f);
+			linebuf = internal_buf;
+		} else {
+			fgets(linebuf, buflen, f);
+		}
+		if(feof(f) || ferror(f)) {
+			return 0;
+		}
+		if(!strchr(linebuf, '\n')) {
+			fscanf(f, "%*[^\n]%*[\n]");
+			errno = ERANGE;
+			return 0;
+		}
+
+		len = strlen(linebuf);
+		if(len > INT_MAX) {
+			continue;
+		}
+
+		for(i = 0; i < sizeof n / sizeof *n; i++) {
+			n[i] = len;
+		}
+
+		sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
+			n, n + 1, n + 2, n + 3, n + 4, n + 5, n + 6, n + 7,
+			&mnt->mnt_freq, &mnt->mnt_passno);
+	} while(linebuf[n[0]] == '#' || n[1] == len);
+
+	linebuf[n[1]] = 0;
+	linebuf[n[3]] = 0;
+	linebuf[n[5]] = 0;
+	linebuf[n[7]] = 0;
+
+	mnt->mnt_fsname = linebuf + n[0];
+	mnt->mnt_dir = linebuf + n[2];
+	mnt->mnt_type = linebuf + n[4];
+	mnt->mnt_opts = linebuf + n[6];
+
+	return mnt;
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/mount.cpp b/lib/mlibc/sysdeps/ironclad/generic/mount.cpp
new file mode 100644
index 0000000..feb6e4c
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/mount.cpp
@@ -0,0 +1,20 @@
+#include <errno.h>
+#include <sys/mount.h>
+#include <bits/ensure.h>
+#include <sys/syscall.h>
+#include <string.h>
+
+int mount(const char *source, const char *target, int type, int flags) {
+	int ret;
+	size_t source_len = strlen(source);
+	size_t target_len = strlen(target);
+	SYSCALL6(SYSCALL_MOUNT, source, source_len, target, target_len, type, flags);
+	return ret;
+}
+
+int umount(const char *target, int flags) {
+	int ret;
+	size_t target_len = strlen(target);
+	SYSCALL3(SYSCALL_UMOUNT, target, target_len, flags);
+	return ret;
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/ptrace.cpp b/lib/mlibc/sysdeps/ironclad/generic/ptrace.cpp
new file mode 100644
index 0000000..58a8dd2
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/ptrace.cpp
@@ -0,0 +1,9 @@
+#include <sys/syscall.h>
+#include <errno.h>
+#include <sys/ptrace.h>
+
+int ptrace(int request, pid_t pid, void *addr, void *data) {
+	int ret;
+	SYSCALL4(SYSCALL_PTRACE, request, pid, addr, data);
+	return ret;
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/pty.cpp b/lib/mlibc/sysdeps/ironclad/generic/pty.cpp
new file mode 100644
index 0000000..1626e4b
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/pty.cpp
@@ -0,0 +1,41 @@
+#include <asm/ioctls.h>
+#include <bits/ensure.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pty.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/syscall.h>
+#include <sys/ioctl.h>
+
+int openpty(int *mfd, int *sfd, char *name, const struct termios *ios, const struct winsize *win) {
+	int ret;
+	int fds[2];
+	SYSCALL1(SYSCALL_OPENPTY, fds);
+	if (errno) {
+		return -1;
+	}
+	*mfd = fds[0];
+	*sfd = fds[1];
+
+	if (name != NULL) {
+		ret = ttyname_r(*mfd, name, (size_t)-1);
+		if (ret) {
+			return -1;
+		}
+	}
+	if (ios != NULL) {
+		ret = tcsetattr(*mfd, TCSANOW, ios);
+		if (ret) {
+			return -1;
+		}
+	}
+	if (win != NULL) {
+		ret = ioctl(*mfd, TIOCGWINSZ, win);
+		if (ret) {
+			return -1;
+		}
+	}
+	return ret;
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/reboot.cpp b/lib/mlibc/sysdeps/ironclad/generic/reboot.cpp
new file mode 100644
index 0000000..45e8f03
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/reboot.cpp
@@ -0,0 +1,9 @@
+#include <errno.h>
+#include <sys/reboot.h>
+#include <sys/syscall.h>
+
+int reboot(int what) {
+	int ret, errno;
+	SYSCALL2(SYSCALL_REBOOT, what, 0);
+	return ret;
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/sched2.cpp b/lib/mlibc/sysdeps/ironclad/generic/sched2.cpp
new file mode 100644
index 0000000..9699517
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/sched2.cpp
@@ -0,0 +1,20 @@
+#include <sys/syscall.h>
+#include <sys/sched2.h>
+#include <errno.h>
+#include <string.h>
+
+extern "C" {
+
+int get_thread_sched(void) {
+	return 0;
+}
+
+int set_thread_sched(int flags) {
+	return 0;
+}
+
+int set_deadlines(int runtime, int period) {
+	return 0;
+}
+
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/thread.S b/lib/mlibc/sysdeps/ironclad/generic/thread.S
new file mode 100644
index 0000000..47ab6a9
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/thread.S
@@ -0,0 +1,9 @@
+.section .text
+.global __mlibc_thread_entry
+__mlibc_thread_entry:
+	pop %rdi
+	pop %rsi
+	pop %rdx
+	call __mlibc_thread_trampoline
+
+.section .note.GNU-stack,"",%progbits
diff --git a/lib/mlibc/sysdeps/ironclad/generic/thread.cpp b/lib/mlibc/sysdeps/ironclad/generic/thread.cpp
new file mode 100644
index 0000000..1b2f040
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/thread.cpp
@@ -0,0 +1,54 @@
+#include <sys/mman.h>
+#include <mlibc/debug.hpp>
+#include <errno.h>
+#include <mlibc/all-sysdeps.hpp>
+#include <bits/ensure.h>
+#include <mlibc/tcb.hpp>
+
+extern "C" void __mlibc_thread_trampoline(void *(*fn)(void *), Tcb *tcb, void *arg) {
+	while (__atomic_load_n(&tcb->tid, __ATOMIC_RELAXED) == 0) {
+		mlibc::sys_futex_wait(&tcb->tid, 0, nullptr);
+	}
+
+	tcb->invokeThreadFunc(reinterpret_cast<void *>(fn), arg);
+
+	__atomic_store_n(&tcb->didExit, 1, __ATOMIC_RELEASE);
+	mlibc::sys_futex_wake(&tcb->didExit);
+
+	mlibc::sys_thread_exit();
+}
+
+#define DEFAULT_STACK 0x20000
+
+namespace mlibc {
+	int sys_prepare_stack(void **stack, void *entry, void *arg, void *tcb, size_t *stack_size, size_t *guard_size, void **stack_base) {
+		// TODO guard
+
+		mlibc::infoLogger() << "mlibc: sys_prepare_stack() does not setup a guard!" << frg::endlog;
+
+		*guard_size = 0;
+
+		*stack_size = *stack_size ? *stack_size : DEFAULT_STACK;
+
+		if (!*stack) {
+			*stack_base = mmap(NULL, *stack_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+			if (*stack_base == MAP_FAILED) {
+				return errno;
+			}
+		} else {
+			*stack_base = *stack;
+		}
+
+		*stack = (void *)((char *)*stack_base + *stack_size);
+
+		void **stack_it = (void **)*stack;
+
+		*--stack_it = arg;
+		*--stack_it = tcb;
+		*--stack_it = entry;
+
+		*stack = (void *)stack_it;
+
+		return 0;
+	}
+}
diff --git a/lib/mlibc/sysdeps/ironclad/generic/utmpx.cpp b/lib/mlibc/sysdeps/ironclad/generic/utmpx.cpp
new file mode 100644
index 0000000..ec74e22
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/generic/utmpx.cpp
@@ -0,0 +1,76 @@
+#include <bits/ensure.h>
+#include <stddef.h>
+#include <errno.h>
+#include <utmpx.h>
+#include <stdio.h>
+#include <time.h>
+#include <paths.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+int utmpx_file = -1;
+
+void updwtmpx(const char *, const struct utmpx *) {
+	// Empty as musl does
+}
+
+void endutxent(void) {
+	if (utmpx_file >= 0) {
+		close(utmpx_file);
+	}
+}
+
+void setutxent(void) {
+	if (utmpx_file < 0) {
+		utmpx_file = open(UTMPX_FILE, O_RDWR | O_CREAT, 0755);
+	} else {
+		lseek(utmpx_file, 0, SEEK_SET);
+	}
+}
+
+struct utmpx returned;
+
+struct utmpx *getutxent(void) {
+	if (utmpx_file < 0) {
+		setutxent();
+		if (utmpx_file < 0) {
+			return NULL;
+		}
+	}
+
+	if (read(utmpx_file, &returned, sizeof(struct utmpx)) != sizeof(struct utmpx)) {
+		return NULL;
+	}
+
+	return &returned;
+}
+
+struct utmpx *pututxline(const struct utmpx *added) {
+	if (utmpx_file < 0) {
+		setutxent();
+		if (utmpx_file < 0) {
+			return NULL;
+		}
+	}
+
+	lseek(utmpx_file, 0, SEEK_END);
+	if (write(utmpx_file, added, sizeof(struct utmpx)) != sizeof(struct utmpx)) {
+		return NULL;
+	}
+
+	return (struct utmpx *)added;
+}
+
+int utmpxname(const char *path) {
+	if (utmpx_file > 0) {
+		close(utmpx_file);
+	}
+
+	utmpx_file = open(path, O_RDWR | O_CREAT, 0755);
+	if (utmpx_file > 0) {
+		lseek(utmpx_file, 0, SEEK_END);
+		return 1;
+	} else {
+		return 0;
+	}
+}
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/access.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/access.h
new file mode 120000
index 0000000..8f0556a
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/access.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/access.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/auxv.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/auxv.h
new file mode 120000
index 0000000..f9be899
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/auxv.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/auxv.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/blkcnt_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/blkcnt_t.h
new file mode 120000
index 0000000..02c7cf3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/blkcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/blkcnt_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/blksize_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/blksize_t.h
new file mode 120000
index 0000000..1745393
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/blksize_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/blksize_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/clockid_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/clockid_t.h
new file mode 120000
index 0000000..b05d507
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/clockid_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/clockid_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/dev_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/dev_t.h
new file mode 120000
index 0000000..e403f5b
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/dev_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/dev_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/epoll.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/epoll.h
new file mode 120000
index 0000000..0364554
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/epoll.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/epoll.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/errno.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/errno.h
new file mode 120000
index 0000000..ec9b8f6
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/errno.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/errno.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/fcntl.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fcntl.h
new file mode 120000
index 0000000..c60789c
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fcntl.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/fcntl.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsblkcnt_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsblkcnt_t.h
new file mode 120000
index 0000000..c5e0d6a
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsblkcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/fsblkcnt_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsfilcnt_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsfilcnt_t.h
new file mode 120000
index 0000000..b8925b8
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/fsfilcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/fsfilcnt_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/gid_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/gid_t.h
new file mode 120000
index 0000000..1ee9676
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/gid_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/gid_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/in.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/in.h
new file mode 120000
index 0000000..e10e010
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/in.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/in.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/ino_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ino_t.h
new file mode 120000
index 0000000..8da8d60
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ino_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/ino_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/inotify.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/inotify.h
new file mode 120000
index 0000000..95578b0
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/inotify.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/inotify.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/ioctls.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ioctls.h
new file mode 120000
index 0000000..d532c47
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ioctls.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/ioctls.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/limits.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/limits.h
new file mode 120000
index 0000000..9f4938c
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/limits.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/limits.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/mode_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/mode_t.h
new file mode 120000
index 0000000..47764b7
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/mode_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/mode_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/mqueue.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/mqueue.h
new file mode 120000
index 0000000..394c37d
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/mqueue.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/mqueue.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/msg.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/msg.h
new file mode 120000
index 0000000..7c59866
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/msg.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/msg.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/nlink_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/nlink_t.h
new file mode 120000
index 0000000..a5c8e25
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/nlink_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/nlink_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/packet.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/packet.h
new file mode 120000
index 0000000..5a7a333
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/packet.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/packet.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/pid_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/pid_t.h
new file mode 120000
index 0000000..36e4068
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/pid_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/pid_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/poll.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/poll.h
new file mode 120000
index 0000000..156ddd9
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/poll.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/poll.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/ptrace.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ptrace.h
new file mode 120000
index 0000000..1260bf7
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/ptrace.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/ptrace.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/reboot.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/reboot.h
new file mode 120000
index 0000000..23c9af3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/reboot.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/reboot.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/resource.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/resource.h
new file mode 120000
index 0000000..e950420
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/resource.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/resource.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/seek-whence.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/seek-whence.h
new file mode 120000
index 0000000..fbd0a8f
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/seek-whence.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/seek-whence.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/shm.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/shm.h
new file mode 120000
index 0000000..f20c4fc
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/shm.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/shm.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/signal.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/signal.h
new file mode 120000
index 0000000..ae8aa10
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/signal.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/signal.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/socket.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/socket.h
new file mode 120000
index 0000000..5ddea1c
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/socket.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/socket.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/socklen_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/socklen_t.h
new file mode 120000
index 0000000..7db34a4
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/socklen_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/socklen_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/stat.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/stat.h
new file mode 120000
index 0000000..a307c32
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/stat.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/stat.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/statfs.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/statfs.h
new file mode 120000
index 0000000..bc1f622
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/statfs.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/statfs.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/statvfs.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/statvfs.h
new file mode 120000
index 0000000..e0b90f0
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/statvfs.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/statvfs.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/suseconds_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/suseconds_t.h
new file mode 120000
index 0000000..88197dd
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/suseconds_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/suseconds_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/termios.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/termios.h
new file mode 120000
index 0000000..a6bacb3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/termios.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/termios.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/time.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/time.h
new file mode 120000
index 0000000..fa8e486
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/time.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/time.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/uid_t.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/uid_t.h
new file mode 120000
index 0000000..1aebbe3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/uid_t.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/uid_t.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/utsname.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/utsname.h
new file mode 120000
index 0000000..0a5dbc8
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/utsname.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/utsname.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/vm-flags.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/vm-flags.h
new file mode 120000
index 0000000..6dc4788
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/vm-flags.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/vm-flags.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/wait.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/wait.h
new file mode 120000
index 0000000..a87457d
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/wait.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/wait.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/abi-bits/xattr.h b/lib/mlibc/sysdeps/ironclad/include/abi-bits/xattr.h
new file mode 120000
index 0000000..99e5aa3
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/abi-bits/xattr.h
@@ -0,0 +1 @@
+../../../../abis/ironclad/xattr.h
\ No newline at end of file
diff --git a/lib/mlibc/sysdeps/ironclad/include/asm/ioctls.h b/lib/mlibc/sysdeps/ironclad/include/asm/ioctls.h
new file mode 100644
index 0000000..aa9f0b4
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/asm/ioctls.h
@@ -0,0 +1,102 @@
+#ifndef _ASM_IOCTLS_H
+#define _ASM_IOCTLS_H
+
+// List of all the IOCTLs supported, for further explanation on the meanings
+// please refer to documentation. If you did not get any, good luck!
+// Some IOCTL codes may be the same, in which case the device they are used in
+// gives them meaning. Cross-device IOCTLs have more distinct values.
+
+#define PS2MOUSE_2_1_SCALING     1
+#define PS2MOUSE_1_1_SCALING     2
+#define PS2MOUSE_SET_RES         3
+#define PS2MOUSE_SET_SAMPLE_RATE 4
+#define RTC_RD_TIME              1
+#define RTC_SET_TIME             2
+#define FIOQSIZE                 0x5460
+#define TCGETS                   0x5401
+#define TCSETS                   0x5402
+#define TCSETSW                  0x5403
+#define TCSETSF                  0x5404
+#define TCGETA                   0x5405
+#define TCSETA                   0x5406
+#define TCSETAW                  0x5407
+#define TCSETAF                  0x5408
+#define TCSBRK                   0x5409
+#define TCXONC                   0x540A
+#define TCFLSH                   0x540B
+#define TIOCEXCL                 0x540C
+#define TIOCNXCL                 0x540D
+#define TIOCSCTTY                0x540E
+#define TIOCGPGRP                0x540F
+#define TIOCSPGRP                0x5410
+#define TIOCOUTQ                 0x5411
+#define TIOCSTI                  0x5412
+#define TIOCGWINSZ               0x5413
+#define TIOCSWINSZ               0x5414
+#define TIOCMGET                 0x5415
+#define TIOCMBIS                 0x5416
+#define TIOCMBIC                 0x5417
+#define TIOCMSET                 0x5418
+#define TIOCGSOFTCAR             0x5419
+#define TIOCSSOFTCAR             0x541A
+#define FIONREAD                 0x541B
+#define TIOCINQ                  FIONREAD
+#define TIOCLINUX                0x541C
+#define TIOCCONS                 0x541D
+#define TIOCGSERIAL              0x541E
+#define TIOCSSERIAL              0x541F
+#define TIOCPKT                  0x5420
+#define FIONBIO                  0x5421
+#define TIOCNOTTY                0x5422
+#define TIOCSETD                 0x5423
+#define TIOCGETD                 0x5424
+#define TCSBRKP                  0x5425
+#define TIOCSBRK                 0x5427
+#define TIOCCBRK                 0x5428
+#define TIOCGSID                 0x5429
+#define TCGETS2                  3
+#define TCSETS2                  3
+#define TCSETSW2                 3
+#define TCSETSF2                 3
+#define TIOCGRS485               0x542E
+#define TIOCSRS485               0x542F
+#define TIOCGPTN                 3
+#define TIOCSPTLCK               3
+#define TIOCGDEV                 3
+#define TCGETX                   0x5432
+#define TCSETX                   0x5433
+#define TCSETXF                  0x5434
+#define TCSETXW                  0x5435
+#define TIOCSIG                  0x36
+#define TIOCVHANGUP              0x5437
+#define TIOCGPKT                 3
+#define TIOCGPTLCK               3
+#define TIOCGEXCL                3
+#define TIOCGPTPEER              3
+#define TIOCGISO7816             3
+#define TIOCSISO7816             3
+#define FIONCLEX                 0x5450
+#define FIOCLEX                  0x5451
+#define FIOASYNC                 0x5452
+#define TIOCSERCONFIG            0x5453
+#define TIOCSERGWILD             0x5454
+#define TIOCSERSWILD             0x5455
+#define TIOCGLCKTRMIOS           0x5456
+#define TIOCSLCKTRMIOS           0x5457
+#define TIOCSERGSTRUCT           0x5458
+#define TIOCSERGETLSR            0x5459
+#define TIOCSERGETMULTI          0x545A
+#define TIOCSERSETMULTI          0x545B
+#define TIOCMIWAIT               0x545C
+#define TIOCGICOUNT              0x545D
+#define TIOCPKT_DATA             0
+#define TIOCPKT_FLUSHREAD        1
+#define TIOCPKT_FLUSHWRITE       2
+#define TIOCPKT_STOP             4
+#define TIOCPKT_START            8
+#define TIOCPKT_NOSTOP           16
+#define TIOCPKT_DOSTOP           32
+#define TIOCPKT_IOCTL            64
+#define TIOCSER_TEMT	            0x01
+
+#endif /* _ASM_IOCTLS_H */
diff --git a/lib/mlibc/sysdeps/ironclad/include/linux/fb.h b/lib/mlibc/sysdeps/ironclad/include/linux/fb.h
new file mode 100644
index 0000000..563ce82
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/linux/fb.h
@@ -0,0 +1,397 @@
+#ifndef _SYS_FB_H
+#define _SYS_FB_H
+
+#include <stddef.h>
+
+/* Definitions of frame buffers						*/
+
+#define FB_MAX			32	/* sufficient for now */
+
+/* ioctls
+   0x46 is 'F'								*/
+#define FBIOGET_VSCREENINFO	0x4600
+#define FBIOPUT_VSCREENINFO	0x4601
+#define FBIOGET_FSCREENINFO	0x4602
+#define FBIOGETCMAP		0x4604
+#define FBIOPUTCMAP		0x4605
+#define FBIOPAN_DISPLAY		0x4606
+#define FBIO_CURSOR            _IOWR('F', 0x08, struct fb_cursor)
+/* 0x4607-0x460B are defined below */
+/* #define FBIOGET_MONITORSPEC	0x460C */
+/* #define FBIOPUT_MONITORSPEC	0x460D */
+/* #define FBIOSWITCH_MONIBIT	0x460E */
+#define FBIOGET_CON2FBMAP	0x460F
+#define FBIOPUT_CON2FBMAP	0x4610
+#define FBIOBLANK		0x4611		/* arg: 0 or vesa level + 1 */
+#define FBIOGET_VBLANK		_IOR('F', 0x12, struct fb_vblank)
+#define FBIO_ALLOC              0x4613
+#define FBIO_FREE               0x4614
+#define FBIOGET_GLYPH           0x4615
+#define FBIOGET_HWCINFO         0x4616
+#define FBIOPUT_MODEINFO        0x4617
+#define FBIOGET_DISPINFO        0x4618
+
+#define FB_TYPE_PACKED_PIXELS		0	/* Packed Pixels	*/
+#define FB_TYPE_PLANES			1	/* Non interleaved planes */
+#define FB_TYPE_INTERLEAVED_PLANES	2	/* Interleaved planes	*/
+#define FB_TYPE_TEXT			3	/* Text/attributes	*/
+#define FB_TYPE_VGA_PLANES		4	/* EGA/VGA planes	*/
+#define FB_TYPE_FOURCC			5	/* Type identified by a V4L2 FOURCC */
+
+#define FB_AUX_TEXT_MDA		0	/* Monochrome text */
+#define FB_AUX_TEXT_CGA		1	/* CGA/EGA/VGA Color text */
+#define FB_AUX_TEXT_S3_MMIO	2	/* S3 MMIO fasttext */
+#define FB_AUX_TEXT_MGA_STEP16	3	/* MGA Millenium I: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_MGA_STEP8	4	/* other MGAs:      text, attr,  6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_GROUP	8	/* 8-15: SVGA tileblit compatible modes */
+#define FB_AUX_TEXT_SVGA_MASK	7	/* lower three bits says step */
+#define FB_AUX_TEXT_SVGA_STEP2	8	/* SVGA text mode:  text, attr */
+#define FB_AUX_TEXT_SVGA_STEP4	9	/* SVGA text mode:  text, attr,  2 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP8	10	/* SVGA text mode:  text, attr,  6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP16	11	/* SVGA text mode:  text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_SVGA_LAST	15	/* reserved up to 15 */
+
+#define FB_AUX_VGA_PLANES_VGA4		0	/* 16 color planes (EGA/VGA) */
+#define FB_AUX_VGA_PLANES_CFB4		1	/* CFB4 in planes (VGA) */
+#define FB_AUX_VGA_PLANES_CFB8		2	/* CFB8 in planes (VGA) */
+
+#define FB_VISUAL_MONO01		0	/* Monochr. 1=Black 0=White */
+#define FB_VISUAL_MONO10		1	/* Monochr. 1=White 0=Black */
+#define FB_VISUAL_TRUECOLOR		2	/* True color	*/
+#define FB_VISUAL_PSEUDOCOLOR		3	/* Pseudo color (like atari) */
+#define FB_VISUAL_DIRECTCOLOR		4	/* Direct color */
+#define FB_VISUAL_STATIC_PSEUDOCOLOR	5	/* Pseudo color readonly */
+#define FB_VISUAL_FOURCC		6	/* Visual identified by a V4L2 FOURCC */
+
+#define FB_ACCEL_NONE		0	/* no hardware accelerator	*/
+#define FB_ACCEL_ATARIBLITT	1	/* Atari Blitter		*/
+#define FB_ACCEL_AMIGABLITT	2	/* Amiga Blitter                */
+#define FB_ACCEL_S3_TRIO64	3	/* Cybervision64 (S3 Trio64)    */
+#define FB_ACCEL_NCR_77C32BLT	4	/* RetinaZ3 (NCR 77C32BLT)      */
+#define FB_ACCEL_S3_VIRGE	5	/* Cybervision64/3D (S3 ViRGE)	*/
+#define FB_ACCEL_ATI_MACH64GX	6	/* ATI Mach 64GX family		*/
+#define FB_ACCEL_DEC_TGA	7	/* DEC 21030 TGA		*/
+#define FB_ACCEL_ATI_MACH64CT	8	/* ATI Mach 64CT family		*/
+#define FB_ACCEL_ATI_MACH64VT	9	/* ATI Mach 64CT family VT class */
+#define FB_ACCEL_ATI_MACH64GT	10	/* ATI Mach 64CT family GT class */
+#define FB_ACCEL_SUN_CREATOR	11	/* Sun Creator/Creator3D	*/
+#define FB_ACCEL_SUN_CGSIX	12	/* Sun cg6			*/
+#define FB_ACCEL_SUN_LEO	13	/* Sun leo/zx			*/
+#define FB_ACCEL_IMS_TWINTURBO	14	/* IMS Twin Turbo		*/
+#define FB_ACCEL_3DLABS_PERMEDIA2 15	/* 3Dlabs Permedia 2		*/
+#define FB_ACCEL_MATROX_MGA2064W 16	/* Matrox MGA2064W (Millenium)	*/
+#define FB_ACCEL_MATROX_MGA1064SG 17	/* Matrox MGA1064SG (Mystique)	*/
+#define FB_ACCEL_MATROX_MGA2164W 18	/* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGA2164W_AGP 19	/* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGAG100	20	/* Matrox G100 (Productiva G100) */
+#define FB_ACCEL_MATROX_MGAG200	21	/* Matrox G200 (Myst, Mill, ...) */
+#define FB_ACCEL_SUN_CG14	22	/* Sun cgfourteen		 */
+#define FB_ACCEL_SUN_BWTWO	23	/* Sun bwtwo			*/
+#define FB_ACCEL_SUN_CGTHREE	24	/* Sun cgthree			*/
+#define FB_ACCEL_SUN_TCX	25	/* Sun tcx			*/
+#define FB_ACCEL_MATROX_MGAG400	26	/* Matrox G400			*/
+#define FB_ACCEL_NV3		27	/* nVidia RIVA 128              */
+#define FB_ACCEL_NV4		28	/* nVidia RIVA TNT		*/
+#define FB_ACCEL_NV5		29	/* nVidia RIVA TNT2		*/
+#define FB_ACCEL_CT_6555x	30	/* C&T 6555x			*/
+#define FB_ACCEL_3DFX_BANSHEE	31	/* 3Dfx Banshee			*/
+#define FB_ACCEL_ATI_RAGE128	32	/* ATI Rage128 family		*/
+#define FB_ACCEL_IGS_CYBER2000	33	/* CyberPro 2000		*/
+#define FB_ACCEL_IGS_CYBER2010	34	/* CyberPro 2010		*/
+#define FB_ACCEL_IGS_CYBER5000	35	/* CyberPro 5000		*/
+#define FB_ACCEL_SIS_GLAMOUR    36	/* SiS 300/630/540              */
+#define FB_ACCEL_3DLABS_PERMEDIA3 37	/* 3Dlabs Permedia 3		*/
+#define FB_ACCEL_ATI_RADEON	38	/* ATI Radeon family		*/
+#define FB_ACCEL_I810           39      /* Intel 810/815                */
+#define FB_ACCEL_SIS_GLAMOUR_2  40	/* SiS 315, 650, 740		*/
+#define FB_ACCEL_SIS_XABRE      41	/* SiS 330 ("Xabre")		*/
+#define FB_ACCEL_I830           42      /* Intel 830M/845G/85x/865G     */
+#define FB_ACCEL_NV_10          43      /* nVidia Arch 10               */
+#define FB_ACCEL_NV_20          44      /* nVidia Arch 20               */
+#define FB_ACCEL_NV_30          45      /* nVidia Arch 30               */
+#define FB_ACCEL_NV_40          46      /* nVidia Arch 40               */
+#define FB_ACCEL_XGI_VOLARI_V	47	/* XGI Volari V3XT, V5, V8      */
+#define FB_ACCEL_XGI_VOLARI_Z	48	/* XGI Volari Z7                */
+#define FB_ACCEL_OMAP1610	49	/* TI OMAP16xx                  */
+#define FB_ACCEL_TRIDENT_TGUI	50	/* Trident TGUI			*/
+#define FB_ACCEL_TRIDENT_3DIMAGE 51	/* Trident 3DImage		*/
+#define FB_ACCEL_TRIDENT_BLADE3D 52	/* Trident Blade3D		*/
+#define FB_ACCEL_TRIDENT_BLADEXP 53	/* Trident BladeXP		*/
+#define FB_ACCEL_CIRRUS_ALPINE   53	/* Cirrus Logic 543x/544x/5480	*/
+#define FB_ACCEL_NEOMAGIC_NM2070 90	/* NeoMagic NM2070              */
+#define FB_ACCEL_NEOMAGIC_NM2090 91	/* NeoMagic NM2090              */
+#define FB_ACCEL_NEOMAGIC_NM2093 92	/* NeoMagic NM2093              */
+#define FB_ACCEL_NEOMAGIC_NM2097 93	/* NeoMagic NM2097              */
+#define FB_ACCEL_NEOMAGIC_NM2160 94	/* NeoMagic NM2160              */
+#define FB_ACCEL_NEOMAGIC_NM2200 95	/* NeoMagic NM2200              */
+#define FB_ACCEL_NEOMAGIC_NM2230 96	/* NeoMagic NM2230              */
+#define FB_ACCEL_NEOMAGIC_NM2360 97	/* NeoMagic NM2360              */
+#define FB_ACCEL_NEOMAGIC_NM2380 98	/* NeoMagic NM2380              */
+#define FB_ACCEL_PXA3XX		 99	/* PXA3xx			*/
+
+#define FB_ACCEL_SAVAGE4        0x80	/* S3 Savage4                   */
+#define FB_ACCEL_SAVAGE3D       0x81	/* S3 Savage3D                  */
+#define FB_ACCEL_SAVAGE3D_MV    0x82	/* S3 Savage3D-MV               */
+#define FB_ACCEL_SAVAGE2000     0x83	/* S3 Savage2000                */
+#define FB_ACCEL_SAVAGE_MX_MV   0x84	/* S3 Savage/MX-MV              */
+#define FB_ACCEL_SAVAGE_MX      0x85	/* S3 Savage/MX                 */
+#define FB_ACCEL_SAVAGE_IX_MV   0x86	/* S3 Savage/IX-MV              */
+#define FB_ACCEL_SAVAGE_IX      0x87	/* S3 Savage/IX                 */
+#define FB_ACCEL_PROSAVAGE_PM   0x88	/* S3 ProSavage PM133           */
+#define FB_ACCEL_PROSAVAGE_KM   0x89	/* S3 ProSavage KM133           */
+#define FB_ACCEL_S3TWISTER_P    0x8a	/* S3 Twister                   */
+#define FB_ACCEL_S3TWISTER_K    0x8b	/* S3 TwisterK                  */
+#define FB_ACCEL_SUPERSAVAGE    0x8c    /* S3 Supersavage               */
+#define FB_ACCEL_PROSAVAGE_DDR  0x8d	/* S3 ProSavage DDR             */
+#define FB_ACCEL_PROSAVAGE_DDRK 0x8e	/* S3 ProSavage DDR-K           */
+
+#define FB_ACCEL_PUV3_UNIGFX	0xa0	/* PKUnity-v3 Unigfx		*/
+
+#define FB_CAP_FOURCC		1	/* Device supports FOURCC-based formats */
+
+struct fb_fix_screeninfo {
+	char id[16];			/* identification string eg "TT Builtin" */
+	unsigned long smem_start;	/* Start of frame buffer mem */
+					/* (physical address) */
+	uint32_t smem_len;			/* Length of frame buffer mem */
+	uint32_t type;			/* see FB_TYPE_*		*/
+	uint32_t type_aux;			/* Interleave for interleaved Planes */
+	uint32_t visual;			/* see FB_VISUAL_*		*/
+	uint16_t xpanstep;			/* zero if no hardware panning  */
+	uint16_t ypanstep;			/* zero if no hardware panning  */
+	uint16_t ywrapstep;		/* zero if no hardware ywrap    */
+	uint32_t line_length;		/* length of a line in bytes    */
+	unsigned long mmio_start;	/* Start of Memory Mapped I/O   */
+					/* (physical address) */
+	uint32_t mmio_len;			/* Length of Memory Mapped I/O  */
+	uint32_t accel;			/* Indicate to driver which	*/
+					/*  specific chip/card we have	*/
+	uint16_t capabilities;		/* see FB_CAP_*			*/
+	uint16_t reserved[2];		/* Reserved for future compatibility */
+};
+
+/* Interpretation of offset for color fields: All offsets are from the right,
+ * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
+ * can use the offset as right argument to <<). A pixel afterwards is a bit
+ * stream and is written to video memory as that unmodified.
+ *
+ * For pseudocolor: offset and length should be the same for all color
+ * components. Offset specifies the position of the least significant bit
+ * of the palette index in a pixel value. Length indicates the number
+ * of available palette entries (i.e. # of entries = 1 << length).
+ */
+struct fb_bitfield {
+	uint32_t offset;			/* beginning of bitfield	*/
+	uint32_t length;			/* length of bitfield		*/
+	uint32_t msb_right;		/* != 0 : Most significant bit is */
+					/* right */
+};
+
+#define FB_NONSTD_HAM		1	/* Hold-And-Modify (HAM)        */
+#define FB_NONSTD_REV_PIX_IN_B	2	/* order of pixels in each byte is reversed */
+
+#define FB_ACTIVATE_NOW		0	/* set values immediately (or vbl)*/
+#define FB_ACTIVATE_NXTOPEN	1	/* activate on next open	*/
+#define FB_ACTIVATE_TEST	2	/* don't set, round up impossible */
+#define FB_ACTIVATE_MASK       15
+					/* values			*/
+#define FB_ACTIVATE_VBL	       16	/* activate values on next vbl  */
+#define FB_CHANGE_CMAP_VBL     32	/* change colormap on vbl	*/
+#define FB_ACTIVATE_ALL	       64	/* change all VCs on this fb	*/
+#define FB_ACTIVATE_FORCE     128	/* force apply even when no change*/
+#define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
+#define FB_ACTIVATE_KD_TEXT   512       /* for KDSET vt ioctl */
+
+#define FB_ACCELF_TEXT		1	/* (OBSOLETE) see fb_info.flags and vc_mode */
+
+#define FB_SYNC_HOR_HIGH_ACT	1	/* horizontal sync high active	*/
+#define FB_SYNC_VERT_HIGH_ACT	2	/* vertical sync high active	*/
+#define FB_SYNC_EXT		4	/* external sync		*/
+#define FB_SYNC_COMP_HIGH_ACT	8	/* composite sync high active   */
+#define FB_SYNC_BROADCAST	16	/* broadcast video timings      */
+					/* vtotal = 144d/288n/576i => PAL  */
+					/* vtotal = 121d/242n/484i => NTSC */
+#define FB_SYNC_ON_GREEN	32	/* sync on green */
+
+#define FB_VMODE_NONINTERLACED  0	/* non interlaced */
+#define FB_VMODE_INTERLACED	1	/* interlaced	*/
+#define FB_VMODE_DOUBLE		2	/* double scan */
+#define FB_VMODE_ODD_FLD_FIRST	4	/* interlaced: top line first */
+#define FB_VMODE_MASK		255
+
+#define FB_VMODE_YWRAP		256	/* ywrap instead of panning     */
+#define FB_VMODE_SMOOTH_XPAN	512	/* smooth xpan possible (internally used) */
+#define FB_VMODE_CONUPDATE	512	/* don't update x/yoffset	*/
+
+/*
+ * Display rotation support
+ */
+#define FB_ROTATE_UR      0
+#define FB_ROTATE_CW      1
+#define FB_ROTATE_UD      2
+#define FB_ROTATE_CCW     3
+
+#define PICOS2KHZ(a) (1000000000UL/(a))
+#define KHZ2PICOS(a) (1000000000UL/(a))
+
+struct fb_var_screeninfo {
+	uint32_t xres;			/* visible resolution		*/
+	uint32_t yres;
+	uint32_t xres_virtual;		/* virtual resolution		*/
+	uint32_t yres_virtual;
+	uint32_t xoffset;			/* offset from virtual to visible */
+	uint32_t yoffset;			/* resolution			*/
+
+	uint32_t bits_per_pixel;		/* guess what			*/
+	uint32_t grayscale;		/* 0 = color, 1 = grayscale,	*/
+					/* >1 = FOURCC			*/
+	struct fb_bitfield red;		/* bitfield in fb mem if true color, */
+	struct fb_bitfield green;	/* else only length is significant */
+	struct fb_bitfield blue;
+	struct fb_bitfield transp;	/* transparency			*/
+
+	uint32_t nonstd;			/* != 0 Non standard pixel format */
+
+	uint32_t activate;			/* see FB_ACTIVATE_*		*/
+
+	uint32_t height;			/* height of picture in mm    */
+	uint32_t width;			/* width of picture in mm     */
+
+	uint32_t accel_flags;		/* (OBSOLETE) see fb_info.flags */
+
+	/* Timing: All values in pixclocks, except pixclock (of course) */
+	uint32_t pixclock;			/* pixel clock in ps (pico seconds) */
+	uint32_t left_margin;		/* time from sync to picture	*/
+	uint32_t right_margin;		/* time from picture to sync	*/
+	uint32_t upper_margin;		/* time from sync to picture	*/
+	uint32_t lower_margin;
+	uint32_t hsync_len;		/* length of horizontal sync	*/
+	uint32_t vsync_len;		/* length of vertical sync	*/
+	uint32_t sync;			/* see FB_SYNC_*		*/
+	uint32_t vmode;			/* see FB_VMODE_*		*/
+	uint32_t rotate;			/* angle we rotate counter clockwise */
+	uint32_t colorspace;		/* colorspace for FOURCC-based modes */
+	uint32_t reserved[4];		/* Reserved for future compatibility */
+};
+
+struct fb_cmap {
+	uint32_t start;			/* First entry	*/
+	uint32_t len;			/* Number of entries */
+	uint16_t *red;			/* Red values	*/
+	uint16_t *green;
+	uint16_t *blue;
+	uint16_t *transp;			/* transparency, can be NULL */
+};
+
+struct fb_con2fbmap {
+	uint32_t console;
+	uint32_t framebuffer;
+};
+
+/* VESA Blanking Levels */
+#define VESA_NO_BLANKING        0
+#define VESA_VSYNC_SUSPEND      1
+#define VESA_HSYNC_SUSPEND      2
+#define VESA_POWERDOWN          3
+
+
+enum {
+	/* screen: unblanked, hsync: on,  vsync: on */
+	FB_BLANK_UNBLANK       = VESA_NO_BLANKING,
+
+	/* screen: blanked,   hsync: on,  vsync: on */
+	FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,
+
+	/* screen: blanked,   hsync: on,  vsync: off */
+	FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
+
+	/* screen: blanked,   hsync: off, vsync: on */
+	FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
+
+	/* screen: blanked,   hsync: off, vsync: off */
+	FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
+};
+
+#define FB_VBLANK_VBLANKING	0x001	/* currently in a vertical blank */
+#define FB_VBLANK_HBLANKING	0x002	/* currently in a horizontal blank */
+#define FB_VBLANK_HAVE_VBLANK	0x004	/* vertical blanks can be detected */
+#define FB_VBLANK_HAVE_HBLANK	0x008	/* horizontal blanks can be detected */
+#define FB_VBLANK_HAVE_COUNT	0x010	/* global retrace counter is available */
+#define FB_VBLANK_HAVE_VCOUNT	0x020	/* the vcount field is valid */
+#define FB_VBLANK_HAVE_HCOUNT	0x040	/* the hcount field is valid */
+#define FB_VBLANK_VSYNCING	0x080	/* currently in a vsync */
+#define FB_VBLANK_HAVE_VSYNC	0x100	/* verical syncs can be detected */
+
+struct fb_vblank {
+	uint32_t flags;			/* FB_VBLANK flags */
+	uint32_t count;			/* counter of retraces since boot */
+	uint32_t vcount;			/* current scanline position */
+	uint32_t hcount;			/* current scandot position */
+	uint32_t reserved[4];		/* reserved for future compatibility */
+};
+
+/* Internal HW accel */
+#define ROP_COPY 0
+#define ROP_XOR  1
+
+struct fb_copyarea {
+	uint32_t dx;
+	uint32_t dy;
+	uint32_t width;
+	uint32_t height;
+	uint32_t sx;
+	uint32_t sy;
+};
+
+struct fb_fillrect {
+	uint32_t dx;	/* screen-relative */
+	uint32_t dy;
+	uint32_t width;
+	uint32_t height;
+	uint32_t color;
+	uint32_t rop;
+};
+
+struct fb_image {
+	uint32_t dx;		/* Where to place image */
+	uint32_t dy;
+	uint32_t width;		/* Size of image */
+	uint32_t height;
+	uint32_t fg_color;		/* Only used when a mono bitmap */
+	uint32_t bg_color;
+	uint8_t  depth;		/* Depth of the image */
+	const char *data;	/* Pointer to image data */
+	struct fb_cmap cmap;	/* color map info */
+};
+
+/*
+ * hardware cursor control
+ */
+
+#define FB_CUR_SETIMAGE 0x01
+#define FB_CUR_SETPOS   0x02
+#define FB_CUR_SETHOT   0x04
+#define FB_CUR_SETCMAP  0x08
+#define FB_CUR_SETSHAPE 0x10
+#define FB_CUR_SETSIZE	0x20
+#define FB_CUR_SETALL   0xFF
+
+struct fbcurpos {
+	uint16_t x, y;
+};
+
+struct fb_cursor {
+	uint16_t set;		/* what to set */
+	uint16_t enable;		/* cursor on/off */
+	uint16_t rop;		/* bitop operation */
+	const char *mask;	/* cursor mask bits */
+	struct fbcurpos hot;	/* cursor hot spot */
+	struct fb_image	image;	/* Cursor image */
+};
+
+/* Settings for the generic backlight code */
+#define FB_BACKLIGHT_LEVELS	128
+#define FB_BACKLIGHT_MAX	0xFF
+
+
+#endif /* _SYS_FB_H */
diff --git a/lib/mlibc/sysdeps/ironclad/include/mntent.h b/lib/mlibc/sysdeps/ironclad/include/mntent.h
new file mode 100644
index 0000000..e5e49e7
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/mntent.h
@@ -0,0 +1,46 @@
+#ifndef _MNTENT_H
+#define _MNTENT_H
+
+#include <stdio.h>
+
+// TODO: Refer to _PATH_MOUNTED
+#define MOUNTED "/etc/mtab"
+
+/* Generic mount options */
+#define MNTOPT_DEFAULTS "defaults"		/* Use all default options. */
+#define MNTOPT_RO       "ro"			/* Read only. */
+#define MNTOPT_RW       "rw"			/* Read/write. */
+#define MNTOPT_SUID     "suid"			/* Set uid allowed. */
+#define MNTOPT_NOSUID   "nosuid"		/* No set uid allowed. */
+#define MNTOPT_NOAUTO   "noauto"		/* Do not auto mount. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct mntent {
+	char *mnt_fsname;
+	char *mnt_dir;
+	char *mnt_type;
+	char *mnt_opts;
+	int mnt_freq;
+	int mnt_passno;
+};
+
+FILE *setmntent(const char *, const char *);
+
+struct mntent *getmntent(FILE *);
+
+int addmntent(FILE *, const struct mntent *);
+
+int endmntent(FILE *);
+
+char *hasmntopt(const struct mntent *, const char *);
+
+struct mntent *getmntent_r(FILE *, struct mntent *,  char *, int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _MNTENT_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/pty.h b/lib/mlibc/sysdeps/ironclad/include/pty.h
new file mode 100644
index 0000000..0468b46
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/pty.h
@@ -0,0 +1,16 @@
+#ifndef _PTY_H
+#define _PTY_H
+
+#include <termios.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int openpty(int *mfd, int *sfd, char *name, const struct termios *ios, const struct winsize *win);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _PTY_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/ironclad_devices.h b/lib/mlibc/sysdeps/ironclad/include/sys/ironclad_devices.h
new file mode 100644
index 0000000..74f47f8
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/ironclad_devices.h
@@ -0,0 +1,44 @@
+#ifndef _SYS_IRONCLAD_DEVICES_H
+#define _SYS_IRONCLAD_DEVICES_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <asm/ioctls.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PS2MOUSE_2_1_SCALING     1
+#define PS2MOUSE_1_1_SCALING     2
+#define PS2MOUSE_SET_RES         3
+#define PS2MOUSE_SET_SAMPLE_RATE 4
+
+struct ironclad_mouse_data {
+	int  x_variation;
+	int  y_variation;
+	bool is_left;
+	bool is_right;
+};
+
+#define RTC_RD_TIME  1
+#define RTC_SET_TIME 2
+
+struct rtc_time {
+	int tm_sec;
+	int tm_min;
+	int tm_hour;
+	int tm_mday;
+	int tm_mon;
+	int tm_year;
+	int tm_wday;     /* unused */
+	int tm_yday;     /* unused */
+	int tm_isdst;    /* unused */
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_IRONCLAD_DEVICES_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/mac.h b/lib/mlibc/sysdeps/ironclad/include/sys/mac.h
new file mode 100644
index 0000000..d4cf76d
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/mac.h
@@ -0,0 +1,46 @@
+#ifndef _SYS_MAC_H
+#define _SYS_MAC_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAC_CAP_SCHED   0b00000000001
+#define MAC_CAP_SPAWN   0b00000000010
+#define MAC_CAP_ENTROPY 0b00000000100
+#define MAC_CAP_SYS_MEM 0b00000001000
+#define MAC_CAP_USE_NET 0b00000010000
+#define MAC_CAP_SYS_NET 0b00000100000
+#define MAC_CAP_SYS_MNT 0b00001000000
+#define MAC_CAP_SYS_PWR 0b00010000000
+#define MAC_CAP_PTRACE  0b00100000000
+#define MAC_CAP_SETUID  0b01000000000
+#define MAC_CAP_SYS_MAC 0b10000000000
+#define MAC_CAP_CLOCK  0b100000000000
+#define MAC_CAP_SIGNALALL 0b1000000000000
+unsigned long get_mac_capabilities(void);
+int set_mac_capabilities(unsigned long request);
+
+#define MAC_PERM_CONTENTS 0b0000001
+#define MAC_PERM_READ     0b0000010
+#define MAC_PERM_WRITE    0b0000100
+#define MAC_PERM_EXEC     0b0001000
+#define MAC_PERM_APPEND   0b0010000
+#define MAC_PERM_FLOCK    0b0100000
+#define MAC_PERM_DEV      0b1000000
+int add_mac_permissions(const char *path, int flags);
+
+#define MAC_DENY            0b001
+#define MAC_DENY_AND_SCREAM 0b010
+#define MAC_KILL            0b100
+int set_mac_enforcement(unsigned long enforcement);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_MAC_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/mount.h b/lib/mlibc/sysdeps/ironclad/include/sys/mount.h
new file mode 100644
index 0000000..51263fa
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/mount.h
@@ -0,0 +1,24 @@
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MNT_EXT 1
+#define MNT_FAT 2
+
+#define MS_RDONLY   0b001
+#define MS_REMOUNT  0b010
+#define MS_RELATIME 0b100
+
+#define MNT_FORCE 1
+
+int mount(const char *source, const char *target, int type, int flags);
+int umount(const char *target, int flags);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_MOUNT_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/ptrace.h b/lib/mlibc/sysdeps/ironclad/include/sys/ptrace.h
new file mode 100644
index 0000000..3993753
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/ptrace.h
@@ -0,0 +1,23 @@
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PTRACE_ATTACH  1
+#define PTRACE_DETACH  2
+#define PTRACE_CONT    3
+#define PTRACE_SYSCALL 4
+#define PTRACE_GETREGS 5
+int ptrace(int request, pid_t pid, void *addr, void *data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_PTRACE_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/reboot.h b/lib/mlibc/sysdeps/ironclad/include/sys/reboot.h
new file mode 100644
index 0000000..c2dbbf2
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/reboot.h
@@ -0,0 +1,16 @@
+#ifndef _SYS_REBOOT_H
+#define _SYS_REBOOT_H
+
+#include <abi-bits/reboot.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int reboot(int arg);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_REBOOT_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/sched2.h b/lib/mlibc/sysdeps/ironclad/include/sys/sched2.h
new file mode 100644
index 0000000..caeb86a
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/sched2.h
@@ -0,0 +1,24 @@
+#ifndef _SYS_SCHED2_H
+#define _SYS_SCHED2_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define THREAD_RT     0b0001
+#define THREAD_MONO   0b0010
+#define THREAD_MLOCK  0b0100
+#define THREAD_BANNED 0b1000
+int get_thread_sched(void);
+int set_thread_sched(int flags);
+int set_deadlines(int runtime, int period);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SCHED2_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/sys/syscall.h b/lib/mlibc/sysdeps/ironclad/include/sys/syscall.h
new file mode 100644
index 0000000..01ab016
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/sys/syscall.h
@@ -0,0 +1,187 @@
+#ifndef _SYS_SYSCALL_H
+#define _SYS_SYSCALL_H
+
+#include <stddef.h>
+
+#define SYSCALL0(NUM) ({ \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL1(NUM, ARG0) ({ \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL2(NUM, ARG0, ARG1) ({ \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL3(NUM, ARG0, ARG1, ARG2) ({ \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL4(NUM, ARG0, ARG1, ARG2, ARG3) ({ \
+	register __typeof(ARG3) arg_r12 asm("r12") = ARG3; \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2), \
+					"r"(arg_r12) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL5(NUM, ARG0, ARG1, ARG2, ARG3, ARG4) ({ \
+	register __typeof(ARG3) arg_r12 asm("r12") = ARG3; \
+	register __typeof(ARG4) arg_r8 asm("r8") = ARG4; \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2), \
+					"r"(arg_r12), "r"(arg_r8) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL6(NUM, ARG0, ARG1, ARG2, ARG3, ARG4, ARG5) ({ \
+	register __typeof(ARG3) arg_r12 asm("r12") = ARG3; \
+	register __typeof(ARG4) arg_r8 asm("r8") = ARG4; \
+	register __typeof(ARG5) arg_r9 asm("r9") = ARG5; \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2), \
+					"r"(arg_r12), "r"(arg_r8), "r"(arg_r9) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL6(NUM, ARG0, ARG1, ARG2, ARG3, ARG4, ARG5) ({ \
+	register __typeof(ARG3) arg_r12 asm("r12") = ARG3; \
+	register __typeof(ARG4) arg_r8  asm("r8")  = ARG4; \
+	register __typeof(ARG5) arg_r9  asm("r9")  = ARG5; \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2), \
+					"r"(arg_r12), "r"(arg_r8), "r"(arg_r9) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL7(NUM, ARG0, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) ({ \
+	register __typeof(ARG3) arg_r12 asm("r12") = ARG3; \
+	register __typeof(ARG4) arg_r8  asm("r8")  = ARG4; \
+	register __typeof(ARG5) arg_r9  asm("r9")  = ARG5; \
+	register __typeof(ARG6) arg_r10 asm("r10") = ARG6; \
+	asm volatile ("syscall" \
+				  : "=a"(ret), "=d"(errno) \
+				  : "a"(NUM), "D"(ARG0), "S"(ARG1), "d"(ARG2), \
+					"r"(arg_r12), "r"(arg_r8), "r"(arg_r9), "r"(arg_r10) \
+				  : "rcx", "r11", "memory"); \
+})
+
+#define SYSCALL_EXIT                  0
+#define SYSCALL_ARCH_PRCTL            1
+#define SYSCALL_OPEN                  2
+#define SYSCALL_CLOSE                 3
+#define SYSCALL_READ                  4
+#define SYSCALL_WRITE                 5
+#define SYSCALL_SEEK                  6
+#define SYSCALL_MMAP                  7
+#define SYSCALL_MUNMAP                8
+#define SYSCALL_GETPID                9
+#define SYSCALL_GETPPID              10
+#define SYSCALL_EXEC                 11
+#define SYSCALL_CLONE                12
+#define SYSCALL_WAIT                 13
+#define SYSCALL_SOCKET               14
+#define SYSCALL_SETHOSTNAME          15
+#define SYSCALL_UNLINK               16
+#define SYSCALL_STAT                 17
+#define SYSCALL_GETCWD               18
+#define SYSCALL_CHDIR                19
+#define SYSCALL_IOCTL                20
+#define SYSCALL_SCHED_YIELD          21
+#define SYSCALL_DELETE_TCLUSTER      22
+#define SYSCALL_PIPE                 23
+#define SYSCALL_GETUID               24
+#define SYSCALL_RENAME               25
+#define SYSCALL_SYSCONF              26
+#define SYSCALL_SPAWN                27
+#define SYSCALL_GETTID               28
+#define SYSCALL_MANAGE_TCLUSTER      29
+#define SYSCALL_FCNTL                30
+#define SYSCALL_EXIT_THREAD          31
+#define SYSCALL_GETRANDOM            32
+#define SYSCALL_MPROTECT             33
+#define SYSCALL_SYNC                 34
+#define SYSCALL_SET_MAC_CAPABILITIES 35
+#define SYSCALL_GET_MAC_CAPABILITIES 36
+#define SYSCALL_ADD_MAC_PERMISSIONS  37
+#define SYSCALL_SET_MAC_ENFORCEMENT  38
+#define SYSCALL_MOUNT                39
+#define SYSCALL_UMOUNT               40
+#define SYSCALL_READLINK             41
+#define SYSCALL_GETDENTS             42
+#define SYSCALL_MAKENODE             43
+#define SYSCALL_TRUNCATE             44
+#define SYSCALL_BIND                 45
+#define SYSCALL_SYMLINK              46
+#define SYSCALL_CONNECT              47
+#define SYSCALL_OPENPTY              48
+#define SYSCALL_FSYNC                49
+#define SYSCALL_LINK                 50
+#define SYSCALL_PTRACE               51
+#define SYSCALL_LISTEN               52
+#define SYSCALL_ACCEPT               53
+#define SYSCALL_GETRLIMIT            54
+#define SYSCALL_SETRLIMIT            55
+#define SYSCALL_ACCESS               56
+#define SYSCALL_POLL                 57
+#define SYSCALL_GETEUID              58
+#define SYSCALL_SETUIDS              59
+#define SYSCALL_FCHMOD               60
+#define SYSCALL_UMASK                61
+#define SYSCALL_REBOOT               62
+#define SYSCALL_FCHOWN               63
+#define SYSCALL_PREAD                64
+#define SYSCALL_PWRITE               65
+#define SYSCALL_GETSOCKNAME          66
+#define SYSCALL_GETPEERNAME          67
+#define SYSCALL_SHUTDOWN             68
+#define SYSCALL_FUTEX                69
+#define SYSCALL_CLOCK                70
+#define SYSCALL_CLOCK_NANOSLEEP      71
+#define SYSCALL_GETRUSAGE            72
+#define SYSCALL_RECVFROM             73
+#define SYSCALL_SENDTO               74
+#define SYSCALL_CONFIG_NETINTER      75
+#define SYSCALL_UTIMES               76
+#define SYSCALL_CREATE_TCLUSTER      77
+#define SYSCALL_SWITCH_TCLUSTER      78
+#define SYSCALL_ACTUALLY_KILL        79
+#define SYSCALL_SIGNALPOST           80
+#define SYSCALL_SEND_SIGNAL          81
+#define SYSCALL_GETPRIO              82
+#define SYSCALL_SETPRIO              83
+#define SYSCALL_GETGID               84
+#define SYSCALL_GETEGID              85
+#define SYSCALL_SETGIDS              86
+#define SYSCALL_GETGROUPS            87
+#define SYSCALL_SETGROUPS            88
+#define SYSCALL_TTYNAME              89
+#define SYSCALL_FADVISE              90
+#define SYSCALL_SHMAT                91
+#define SYSCALL_SHMCTL               92
+#define SYSCALL_SHMDT                93
+#define SYSCALL_SHMGET               94
+#define SYSCALL_GETSOCKOPT           95
+#define SYSCALL_SETSOCKOPT           96
+#define SYSCALL_GETTIDID             97
+#define SYSCALL_SETTIDID             98
+
+#endif // _SYS_SYSCALL_H
diff --git a/lib/mlibc/sysdeps/ironclad/include/utmpx.h b/lib/mlibc/sysdeps/ironclad/include/utmpx.h
new file mode 100644
index 0000000..2d7d3e1
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/include/utmpx.h
@@ -0,0 +1,63 @@
+
+#ifndef  _UTMPX_H
+#define  _UTMPX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/pid_t.h>
+#include <bits/posix/timeval.h>
+
+#define UTMPX_FILE "/var/run/utmp"
+#define WTMPX_FILE "/var/run/wtmp"
+
+// Struct definition taken from musl
+struct utmpx {
+	short ut_type;
+	short __ut_pad1;
+	pid_t ut_pid;
+	char ut_line[32];
+	char ut_id[4];
+	char ut_user[32];
+	char ut_host[256];
+	struct {
+		short __e_termination;
+		short __e_exit;
+	} ut_exit;
+	int ut_session, __ut_pad2;
+	struct timeval ut_tv;
+	unsigned ut_addr_v6[4];
+	char __unused[20];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+void updwtmpx(const char *, const struct utmpx *);
+int utmpxname(const char *);
+struct utmpx *pututxline(const struct utmpx *);
+struct utmpx *getutxent(void);
+void setutxent(void);
+void endutxent(void);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#define EMPTY           0
+#define RUN_LVL         1
+#define BOOT_TIME       2
+#define NEW_TIME        3
+#define OLD_TIME        4
+#define INIT_PROCESS    5
+#define LOGIN_PROCESS   6
+#define USER_PROCESS    7
+#define DEAD_PROCESS    8
+
+#define __UT_HOSTSIZE 256
+#define __UT_NAMESIZE 32
+#define __UT_LINESIZE 32
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _UTMPX_H
diff --git a/lib/mlibc/sysdeps/ironclad/meson.build b/lib/mlibc/sysdeps/ironclad/meson.build
new file mode 100644
index 0000000..a23203c
--- /dev/null
+++ b/lib/mlibc/sysdeps/ironclad/meson.build
@@ -0,0 +1,125 @@
+
+rtdl_sources += files(
+	'generic/generic.cpp'
+)
+
+libc_sources += files(
+	'generic/entry.cpp',
+	'generic/ptrace.cpp',
+	'generic/generic.cpp',
+	'generic/mntent.cpp',
+	'generic/mount.cpp',
+	'generic/reboot.cpp',
+	'generic/pty.cpp',
+	'generic/thread.cpp',
+	'generic/mac.cpp',
+	'generic/sched2.cpp',
+	'generic/thread.S',
+	'generic/utmpx.cpp'
+)
+
+if not no_headers
+	install_headers(
+		'include/abi-bits/access.h',
+		'include/abi-bits/auxv.h',
+		'include/abi-bits/seek-whence.h',
+		'include/abi-bits/vm-flags.h',
+		'include/abi-bits/errno.h',
+		'include/abi-bits/fcntl.h',
+		'include/abi-bits/in.h',
+		'include/abi-bits/reboot.h',
+		'include/abi-bits/resource.h',
+		'include/abi-bits/stat.h',
+		'include/abi-bits/signal.h',
+		'include/abi-bits/socket.h',
+		'include/abi-bits/termios.h',
+		'include/abi-bits/time.h',
+		'include/abi-bits/blkcnt_t.h',
+		'include/abi-bits/blksize_t.h',
+		'include/abi-bits/dev_t.h',
+		'include/abi-bits/gid_t.h',
+		'include/abi-bits/ino_t.h',
+		'include/abi-bits/mode_t.h',
+		'include/abi-bits/nlink_t.h',
+		'include/abi-bits/pid_t.h',
+		'include/abi-bits/uid_t.h',
+		'include/abi-bits/wait.h',
+		'include/abi-bits/limits.h',
+		'include/abi-bits/utsname.h',
+		'include/abi-bits/ptrace.h',
+		'include/abi-bits/poll.h',
+		'include/abi-bits/epoll.h',
+		'include/abi-bits/packet.h',
+		'include/abi-bits/inotify.h',
+		'include/abi-bits/clockid_t.h',
+		'include/abi-bits/shm.h',
+		'include/abi-bits/mqueue.h',
+		'include/abi-bits/suseconds_t.h',
+		'include/abi-bits/fsfilcnt_t.h',
+		'include/abi-bits/fsblkcnt_t.h',
+		'include/abi-bits/socklen_t.h',
+		'include/abi-bits/statfs.h',
+		'include/abi-bits/statvfs.h',
+		'include/abi-bits/ioctls.h',
+		'include/abi-bits/xattr.h',
+		'include/abi-bits/msg.h',
+		subdir: 'abi-bits',
+		follow_symlinks: true
+	)
+	install_headers(
+		'include/sys/sched2.h',
+		'include/sys/ironclad_devices.h',
+		'include/sys/mac.h',
+		'include/sys/syscall.h',
+		'include/sys/reboot.h',
+		'include/sys/mount.h',
+		'include/sys/ptrace.h',
+		subdir: 'sys'
+	)
+
+	install_headers(
+		'include/asm/ioctls.h',
+		subdir: 'asm'
+	)
+
+	install_headers(
+		'include/linux/fb.h',
+		subdir: 'linux'
+	)
+
+	install_headers(
+		'include/mntent.h',
+		'include/pty.h',
+		'include/utmpx.h'
+	)
+endif
+
+if not headers_only
+	crt = custom_target('crt0',
+		build_by_default: true,
+		command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+		input: 'crt-x86_64/crt0.S',
+		output: 'crt0.o',
+		install: true,
+		install_dir: get_option('libdir')
+	)
+
+	custom_target('crti',
+		build_by_default: true,
+		command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+		input: 'crt-x86_64/crti.S',
+		output: 'crti.o',
+		install: true,
+		install_dir: get_option('libdir')
+	)
+
+	custom_target('crtn',
+		build_by_default: true,
+		command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+		input: 'crt-x86_64/crtn.S',
+		output: 'crtn.o',
+		install: true,
+		install_dir: get_option('libdir')
+	)
+endif
+