sysdeps/qword: Add __mlibc_entry function

sysdeps/managarm/generic/entry.cpp

@@ -80,7 +80,7 @@ LibraryGuard::LibraryGuard() {
 	}
 }
 
-// The environmet was build by the LibraryGuard.
+// The environment was build by the LibraryGuard.
 extern char **environ;
 
 extern "C" void __mlibc_entry(int (*main_function)(int argc, char *argv[], char *env[])) {

sysdeps/qword/generic/entry.cpp

@@ -0,0 +1,14 @@
+
+#include <stdlib.h>
+
+// TODO: Fill this as we do in managarm.
+static int __mlibc_argc;
+static char **__mlibc_argv;
+
+extern char **environ;
+
+extern "C" void __mlibc_entry(int (*main_function)(int argc, char *argv[], char *env[])) {
+	auto result = main_function(__mlibc_argc, __mlibc_argv, environ);
+	exit(result);
+}
+

sysdeps/qword/meson.build

@@ -9,6 +9,7 @@ rtdl_sources += files(
 
 libc_include_dirs += include_directories('include')
 libc_sources += files(
+	'generic/entry.cpp',
 	'generic/file.cpp'
 )