meta: move photon/libc to root

libc/stdlib/abort.c

@@ -0,0 +1,16 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+/* defined in dyld/main.c */
+extern const char *dyld_exec_path(void);
+
+_Noreturn void abort(void)
+{
+    /* yes we're faking the job number shut up */
+    char header[64];
+    snprintf(header, sizeof header, "[1] %6d abort", getpid());
+
+    fprintf(stderr, "%-20s %s\n", header, dyld_exec_path());
+    exit(-1);
+}