qword: Move mount to own header

.gitignore

@@ -1,2 +1,3 @@
+build
 subprojects/cxxshim
 subprojects/frigg

sysdeps/qword/generic/generic.cpp

@@ -650,21 +650,6 @@ int sys_setuid(uid_t uid) {
     return ret;
 }
 
-int sys_mount(const char *source, const char *target,
-    const char *filesystemtype, unsigned long mountflags,
-    const void *data) {
-
-    int ret;
-    register unsigned long arg4_reg asm("r10") = mountflags;
-	register const void *arg5_reg asm("r8") = data;
-
-    asm volatile ("syscall" : "=a" (ret)
-            : "a"(41), "D"(source), "S"(target),
-            "d"(filesystemtype), "r"(arg4_reg), "r"(arg5_reg)
-            : "rcx", "r11");
-    return ret;
-}
-
 #endif // MLIBC_BUILDING_RTDL
 
 } // namespace mlibc

sysdeps/qword/generic/mount.cpp

@@ -0,0 +1,16 @@
+
+#include <qword/mount.h>
+
+int mount(const char *source, const char *target,
+    const char *filesystemtype, unsigned long mountflags,
+    const void *data) {
+
+    int ret;
+    register unsigned long arg4_reg asm("r10") = mountflags;
+	register const void *arg5_reg asm("r8") = data;
+    asm volatile ("syscall" : "=a" (ret)
+            : "a"(41), "D"(source), "S"(target),
+            "d"(filesystemtype), "r"(arg4_reg), "r"(arg5_reg)
+            : "rcx", "r11");
+    return ret;
+}

sysdeps/qword/include/qword/mount.h

@@ -0,0 +1,16 @@
+#ifndef _QWORD_MOUNT_H
+#define _QWORD_MOUNT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int mount(const char *source, const char *target,
+    const char *filesystemtype, unsigned long mountflags,
+    const void *data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _QWORD_MOUNT_H

sysdeps/qword/meson.build

@@ -6,7 +6,8 @@ rtdl_sources += files(
 libc_sources += files(
 	'generic/entry.cpp',
 	'generic/generic.cpp',
-	'generic/memstats.cpp'
+	'generic/memstats.cpp',
+	'generic/mount.cpp'
 )
 
 if not no_headers
@@ -19,6 +20,7 @@ if not no_headers
 	)
 	install_headers(
 		'include/qword/memstats.h',
+		'include/qword/mount.h',
 		subdir: 'qword'
 	)
 endif