arc: libgloss: Introduce hostlink interface

[newlib-cygwin.git] / libgloss / arc / hl / hl_argc.c

diff --git a/libgloss/arc/hl/hl_argc.c b/libgloss/arc/hl/hl_argc.c
new file mode 100644 (file)
index 0000000..9d17095
--- /dev/null
+++ b/libgloss/arc/hl/hl_argc.c
@@ -0,0 +1,45 @@
+/*
+ * hl_argc.c -- provide _argc().
+ *
+ * Copyright (c) 2024 Synopsys 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>
+
+#include "hl_toolchain.h"
+#include "hl_api.h"
+
+/* Implements HL_SYSCALL_ARGC.  */
+static __always_inline int
+_hl_argc (void)
+{
+  uint32_t ret;
+  volatile __uncached char *p;
+
+  p = _hl_message (HL_SYSCALL_ARGC, ":i", (uint32_t *) &ret);
+
+  if (p == NULL)
+    ret = 0;
+
+  _hl_delete ();
+
+  return ret;
+}
+
+/* See arc-main-helper.c.  */
+int
+_argc (void)
+{
+  return _hl_argc ();
+}