gcc/config/vxworks-driver.cc

   1 /* Copyright (C) 2022-2023 Free Software Foundation, Inc.
   2
   3 This file is part of GCC.
   4
   5 GCC is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 3, or (at your option)
   8 any later version.
   9
  10 GCC is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GCC; see the file COPYING3.  If not see
  17 <http://www.gnu.org/licenses/>.  */
  18
  19 #include "config.h"
  20 #include "system.h"
  21 #include "coretypes.h"
  22 #include "tm.h"
  23 #include "opts.h"
  24
  25 /* Perform early driver flags initializations that can't be achieved
  26    with specs.  In particular, we need to explicitly request a static
  27    link for rtps by default before lang_specific_driver gets control.  */
  28
  29 void vxworks_driver_init (unsigned int *in_decoded_options_count,
  30                           struct cl_decoded_option **in_decoded_options)
  31 {
  32   unsigned int i;
  33   struct cl_decoded_option *decoded_options = *in_decoded_options;
  34
  35   /* Arrange to add -static if we are going to link a rtp and there is no
  36      trace of any explicit request for a specific kind of link.  */
  37   bool wont_link = false;
  38   bool mrtp = false;
  39   bool link_kind_indication = false;
  40
  41   /* The new argument list will be contained in this.  */
  42   struct cl_decoded_option *new_decoded_options;
  43   unsigned int num_options = *in_decoded_options_count;
  44
  45   for (i = 1; i < num_options; i++)
  46     {
  47       if (decoded_options[i].errors & CL_ERR_MISSING_ARG)
  48         continue;
  49
  50       switch (decoded_options[i].opt_index)
  51         {
  52         case OPT_static:
  53         case OPT_shared:
  54         case OPT_Bdynamic:
  55         case OPT_Bstatic:
  56         case OPT_non_static:
  57           link_kind_indication = true;
  58           break;
  59
  60         case OPT_c:
  61         case OPT_r:
  62         case OPT_S:
  63         case OPT_E:
  64         case OPT_M:
  65         case OPT_MM:
  66         case OPT_fsyntax_only:
  67           wont_link = true;
  68           break;
  69
  70         case OPT_mrtp:
  71           mrtp = true;
  72           break;
  73
  74         default:
  75           break;
  76       }
  77     }
  78
  79   if (!wont_link && mrtp && !link_kind_indication)
  80     {
  81       num_options++;
  82       new_decoded_options = XNEWVEC(struct cl_decoded_option, num_options);
  83
  84       for (i = 0; i < num_options - 1; i++)
  85         new_decoded_options[i] = decoded_options[i];
  86
  87       generate_option(OPT_static, NULL, 1, CL_DRIVER,
  88                       &new_decoded_options[num_options - 1]);
  89
  90       *in_decoded_options = new_decoded_options;
  91       *in_decoded_options_count = num_options;
  92     }
  93 }