1 files changed, 34 insertions, 0 deletions
diff --git a/sys/rt/boot.c b/sys/rt/boot.c
new file mode 100644
index 0000000..197e861
--- /dev/null
+++ b/sys/rt/boot.c
@@ -0,0 +1,34 @@
+#include <rt.h>
+
+int
+rt·boot(
+    int  (*main)(int,char **,char **), int argc, char **argv,
+    int  (*init)(int, char **, char **), void (*fini)(void),
+    void (*exit)(void)
+)
+{
+    char **envp = argv+argc+1;
+    rt·environ = envp;
+
+    if(exit)
+        rt·context.exit = exit;
+
+    if(fini)
+        rt·context.fini = fini;
+
+    if(init){
+        rt·context.init = init;
+        init(argc, argv, envp);
+    }
+
+    /* XXX:
+     * we could call __libc_start_main of musl here:
+     * this would give us the normal C runtime along with ours
+     * which would allow seamless linking to other libraries
+     * or we can implement a compatibility layer
+     */
+    rt·exit(main(argc, argv, envp));
+
+    /* should never get here */
+    return 0;
+}