1 files changed, 65 insertions, 0 deletions
diff --git a/wirish/start_c.c b/wirish/start_c.c
new file mode 100644
index 0000000..cb96fc5
--- /dev/null
+++ b/wirish/start_c.c
@@ -0,0 +1,65 @@
+/* CS3 start_c routine.
+ *
+ * Copyright (c) 2006, 2007 CodeSourcery Inc
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#include <stddef.h>
+
+extern void __libc_init_array (void);
+
+extern int main (int, char **, char **);
+
+extern void exit (int) __attribute__ ((noreturn, weak));
+
+extern char _data, _edata;
+extern char _bss, _ebss;
+
+struct rom_img_cfg {
+  long long *img_start;
+};
+
+extern char _lm_rom_img_cfgp;
+
+void  __attribute__ ((noreturn))
+__cs3_start_c (void)
+{
+  struct rom_img_cfg *img_cfg = (struct rom_img_cfg*)&_lm_rom_img_cfgp;
+  long long *src;
+  long long *dst;
+  int exit_code;
+
+  /* Initialize .data, if necessary. */
+  src = img_cfg->img_start;
+  dst = (long long*)&_data;
+  if (src != dst) {
+    while (dst < (long long*)&_edata) {
+      *dst++ = *src++;
+    }
+  }
+
+  /* Zero .bss. */
+  dst = (long long*)&_bss;
+  while (dst < (long long*)&_ebss) {
+    *dst++ = 0;
+  }
+
+  /* Run initializers.  */
+  __libc_init_array ();
+
+  exit_code = main (0, NULL, NULL);
+  if (exit)
+    exit (exit_code);
+  /* If exit is NULL, make sure we don't return. */
+  for (;;)
+    continue;
+}