build: Build mlibc + add distclean target

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

4 files changed, 0 insertions, 397 deletions

diff --git a/lib/mlibc/sysdeps/dripos/generic/entry.cpp b/lib/mlibc/sysdeps/dripos/generic/entry.cpp
deleted file mode 100644
index 2b8b914..0000000
--- a/lib/mlibc/sysdeps/dripos/generic/entry.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-
-#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/dripos/generic/generic.cpp b/lib/mlibc/sysdeps/dripos/generic/generic.cpp
deleted file mode 100644
index 89203c3..0000000
--- a/lib/mlibc/sysdeps/dripos/generic/generic.cpp
+++ /dev/null
@@ -1,298 +0,0 @@
-#include <bits/ensure.h>
-#include <mlibc/debug.hpp>
-#include <mlibc/all-sysdeps.hpp>
-#include <mlibc/thread-entry.hpp>
-#include <errno.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <limits.h>
-
-namespace mlibc {
-
-void sys_libc_log(const char *message) {
-	unsigned long res;
-	asm volatile ("syscall" : "=a"(res)
-			: "a"(50), "D"(message)
-			: "rcx", "r11", "rdx");
-}
-
-void sys_libc_panic() {
-	mlibc::infoLogger() << "\e[31mmlibc: panic!" << frg::endlog;
-	asm volatile ("syscall" :
-			: "a"(12), "D"(1)
-			: "rcx", "r11", "rdx");
-}
-
-int sys_tcb_set(void *pointer) {
-	int res;
-	asm volatile ("syscall" : "=a"(res)
-			: "a"(300), "D"(pointer)
-			: "rcx", "r11", "rdx");
-	return res;
-}
-
-int sys_anon_allocate(size_t size, void **pointer) {
-	void *ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(9), "D"(0), "S"(size)
-			: "rcx", "r11");
-
-	if (!ret)
-		return sys_errno;
-
-	*pointer = ret;
-	return 0;
-}
-
-int sys_anon_free(void *pointer, size_t size) {
-	int unused_return;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(unused_return), "=d"(sys_errno)
-			: "a"(11), "D"(pointer), "S"(size)
-			: "rcx", "r11");
-
-	if (unused_return)
-		return sys_errno;
-
-	return 0;
-}
-
-#ifndef MLIBC_BUILDING_RTDL
-void sys_exit(int status) {
-	asm volatile ("syscall" :
-			: "a"(12), "D"(status)
-			: "rcx", "r11", "rdx");
-}
-#endif
-
-#ifndef MLIBC_BUILDING_RTDL
-int sys_clock_get(int clock, time_t *secs, long *nanos) {
-	return 0;
-}
-#endif
-
-int sys_open(const char *path, int flags, mode_t mode, int *fd) {
-	int ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(2), "D"(path), "S"(flags), "d"(0)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	*fd = ret;
-	return 0;
-}
-
-int sys_close(int fd) {
-	int ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(3), "D"(fd)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	return 0;
-}
-
-int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read) {
-	ssize_t ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(0), "D"(fd), "S"(buf), "d"(count)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	*bytes_read = ret;
-	return 0;
-}
-
-#ifndef MLIBC_BUILDING_RTDL
-int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written) {
-	ssize_t ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(1), "D"(fd), "S"(buf), "d"(count)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	*bytes_written = ret;
-	return 0;
-}
-#endif
-
-
-int sys_seek(int fd, off_t offset, int whence, off_t *new_offset) {
-	off_t ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(8), "D"(fd), "S"(offset), "d"(whence)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	*new_offset = ret;
-	return 0;
-}
-
-int sys_vm_map(void *hint, size_t size, int prot, int flags,
-		int fd, off_t offset, void **window) {
-	__ensure(flags & MAP_ANONYMOUS);
-	void *ret;
-	int sys_errno;
-
-	// mlibc::infoLogger() << "calling sys_vm_map with size: " << size << frg::endlog;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(9), "D"(hint), "S"(size)
-			: "rcx", "r11");
-
-	if (!ret)
-		return sys_errno;
-
-	*window = ret;
-
-	return 0;
-}
-
-int sys_vm_unmap(void *pointer, size_t size) {
-	return sys_anon_free(pointer, size);
-}
-
-int sys_futex_wait(int *pointer, int expected, const struct timespec *time) {
-	uint64_t err;
-	asm volatile ("syscall"
-			: "=d"(err)
-			: "a"(66), "D"(pointer), "S"(expected)
-			: "rcx", "r11");
-
-	if (err) {
-		return -1;
-	}
-
-	return 0;
-}
-
-int sys_futex_wake(int *pointer) {
-	uint64_t err;
-	asm volatile ("syscall"
-			: "=d"(err)
-			: "a"(65), "D"(pointer)
-			: "rcx", "r11");
-
-	if (err) {
-		return -1;
-	}
-
-	return 0;
-}
-
-// All remaining functions are disabled in ldso.
-#ifndef MLIBC_BUILDING_RTDL
-
-int sys_clone(void *tcb, pid_t *tid_out, void *stack) {
-	int tid;
-
-	asm volatile ("syscall"
-		: "=a"(tid)
-		: "a"(67), "D"(__mlibc_start_thread), "S"(stack), "d"(tcb)
-		: "rcx", "r11");
-
-	if (tid_out)
-		*tid_out = tid;
-
-	return 0;
-}
-
-void sys_thread_exit() {
-	asm volatile ("syscall"
-			:
-			: "a"(68)
-			: "rcx", "r11");
-	__builtin_trap();
-}
-
-int sys_sleep(time_t *secs, long *nanos) {
-	long ms = (*nanos / 1000000) + (*secs * 1000);
-	asm volatile ("syscall"
-		:
-		: "a"(6), "D"(ms)
-		: "rcx", "r11");
-	*secs = 0;
-	*nanos = 0;
-	return 0;
-}
-
-int sys_fork(pid_t *child) {
-	pid_t ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(57)
-			: "rcx", "r11");
-
-	if (ret == -1)
-		return sys_errno;
-
-	*child = ret;
-	return 0;
-}
-
-int sys_execve(const char *path, char *const argv[], char *const envp[]) {
-	int ret;
-	int sys_errno;
-
-	asm volatile ("syscall"
-			: "=a"(ret), "=d"(sys_errno)
-			: "a"(59), "D"(path), "S"(argv), "d"(envp)
-			: "rcx", "r11");
-
-	if (sys_errno != 0)
-		return sys_errno;
-
-	return 0;
-}
-
-pid_t sys_getpid() {
-	pid_t pid;
-	asm volatile ("syscall" : "=a"(pid)
-			: "a"(5)
-			: "rcx", "r11", "rdx");
-	return pid;
-}
-pid_t sys_getppid() {
-	pid_t ppid;
-	asm volatile ("syscall" : "=a"(ppid)
-			: "a"(14)
-			: "rcx", "r11", "rdx");
-	return ppid;
-}
-
-#endif // MLIBC_BUILDING_RTDL
-
-} // namespace mlibc
diff --git a/lib/mlibc/sysdeps/dripos/generic/thread.cpp b/lib/mlibc/sysdeps/dripos/generic/thread.cpp
deleted file mode 100644
index 42cd758..0000000
--- a/lib/mlibc/sysdeps/dripos/generic/thread.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <mlibc/thread-entry.hpp>
-#include <mlibc/all-sysdeps.hpp>
-#include <mlibc/tcb.hpp>
-#include <bits/ensure.h>
-#include <sys/mman.h>
-#include <stdint.h>
-#include <stddef.h>
-
-extern "C" void __mlibc_enter_thread(void *entry, void *user_arg, Tcb *tcb) {
-	// Wait until our parent sets up the TID.
-	while(!__atomic_load_n(&tcb->tid, __ATOMIC_RELAXED))
-		mlibc::sys_futex_wait(&tcb->tid, 0, nullptr);
-
-	if(mlibc::sys_tcb_set(tcb))
-		__ensure(!"sys_tcb_set() failed");
-
-	tcb->invokeThreadFunc(entry, user_arg);
-
-	auto self = reinterpret_cast<Tcb *>(tcb);
-
-	__atomic_store_n(&self->didExit, 1, __ATOMIC_RELEASE);
-	mlibc::sys_futex_wake(&self->didExit);
-
-	mlibc::sys_thread_exit();
-}
-
-namespace mlibc {
-
-static constexpr size_t default_stacksize = 0x200000;
-
-int sys_prepare_stack(void **stack, void *entry, void *user_arg, void *tcb, size_t *stack_size, size_t *guard_size, void **stack_base) {
-	if (!*stack_size)
-		*stack_size = default_stacksize;
-	*guard_size = 0;
-
-	if (*stack) {
-		*stack_base = *stack;
-	} else {
-		*stack_base = mmap(nullptr, *stack_size,
-						PROT_READ | PROT_WRITE,
-						MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-	}
-	
-	uintptr_t *sp = reinterpret_cast<uintptr_t *>(reinterpret_cast<uintptr_t>(*stack_base) + *stack_size);
-
-	*--sp = reinterpret_cast<uintptr_t>(tcb);
-	*--sp = reinterpret_cast<uintptr_t>(user_arg);
-	*--sp = reinterpret_cast<uintptr_t>(entry);
-	*stack = reinterpret_cast<void*>(sp);
-	return 0;
-}
-
-} //namespace mlibc
diff --git a/lib/mlibc/sysdeps/dripos/generic/thread_entry.S b/lib/mlibc/sysdeps/dripos/generic/thread_entry.S
deleted file mode 100644
index 51e703b..0000000
--- a/lib/mlibc/sysdeps/dripos/generic/thread_entry.S
+++ /dev/null
@@ -1,11 +0,0 @@
-
-.section .text
-.global __mlibc_start_thread
-__mlibc_start_thread:
-	pop %rdi
-	pop %rsi
-	pop %rdx
-	call __mlibc_enter_thread
-
-.section .note.GNU-stack,"",%progbits
-