libgloss/arc/hl/hl_argc.c

   1 /*
   2  * hl_argc.c -- provide _argc().
   3  *
   4  * Copyright (c) 2024 Synopsys Inc.
   5  *
   6  * The authors hereby grant permission to use, copy, modify, distribute,
   7  * and license this software and its documentation for any purpose, provided
   8  * that existing copyright notices are retained in all copies and that this
   9  * notice is included verbatim in any distributions. No written agreement,
  10  * license, or royalty fee is required for any of the authorized uses.
  11  * Modifications to this software may be copyrighted by their authors
  12  * and need not follow the licensing terms described here, provided that
  13  * the new terms are clearly indicated on the first page of each file where
  14  * they apply.
  15  *
  16  */
  17
  18 #include <stddef.h>
  19
  20 #include "hl_toolchain.h"
  21 #include "hl_api.h"
  22
  23 /* Implements HL_SYSCALL_ARGC.  */
  24 static __always_inline int
  25 _hl_argc (void)
  26 {
  27   uint32_t ret;
  28   volatile __uncached char *p;
  29
  30   p = _hl_message (HL_SYSCALL_ARGC, ":i", (uint32_t *) &ret);
  31
  32   if (p == NULL)
  33     ret = 0;
  34
  35   _hl_delete ();
  36
  37   return ret;
  38 }
  39
  40 /* See arc-main-helper.c.  */
  41 int
  42 _argc (void)
  43 {
  44   return _hl_argc ();
  45 }