ld/emultempl/vxworks.em

   1 if test -n "$VXWORKS_BASE_EM_FILE" ; then
   2 . "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em"
   3 fi
   4
   5 cat >>e${EMULATION_NAME}.c <<EOF
   6
   7 static int force_dynamic;
   8
   9 static void
  10 vxworks_before_parse (void)
  11 {
  12   ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse} ();
  13   config.rpath_separator = ';';
  14 }
  15
  16 static void
  17 vxworks_after_open (void)
  18 {
  19   ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} ();
  20
  21   if (force_dynamic
  22       && link_info.input_bfds
  23       && output_bfd->xvec->flavour == bfd_target_elf_flavour
  24       && !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds,
  25                                                  &link_info))
  26     einfo ("%X%P: Cannot create dynamic sections %E\n");
  27
  28   if (!force_dynamic
  29       && !link_info.shared
  30       && output_bfd->xvec->flavour == bfd_target_elf_flavour
  31       && elf_hash_table (&link_info)->dynamic_sections_created)
  32     einfo ("%X%P: Dynamic sections created in non-dynamic link\n");
  33 }
  34
  35 EOF
  36
  37 PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE'
  38 enum {
  39   OPTION_FORCE_DYNAMIC = 501
  40 };
  41 '
  42
  43 PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS'
  44   {"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC},
  45 '
  46
  47 PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS'
  48   fprintf (file, _("\
  49   --force-dynamic       Always create dynamic sections\n"));
  50 '
  51
  52 PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES'
  53     case OPTION_FORCE_DYNAMIC:
  54       force_dynamic = 1;
  55       break;
  56 '
  57
  58 # Hook in our routines above.  There are three possibilities:
  59 #
  60 #   (1) VXWORKS_BASE_EM_FILE did not set the hook's LDEMUL_FOO variable.
  61 #       We want to define LDEMUL_FOO to vxworks_foo in that case,
  62 #
  63 #   (2) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
  64 #       gld${EMULATION_NAME}_foo.  This means that the file has
  65 #       replaced elf32.em's default definition, so we simply #define
  66 #       the current value of LDEMUL_FOO to vxworks_foo.
  67 #
  68 #   (3) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to
  69 #       something other than gld${EMULATION_NAME}_foo.  We handle
  70 #       this case in the same way as (1).
  71 for override in before_parse after_open; do
  72   var="LDEMUL_`echo ${override} | tr a-z A-Z`"
  73   eval value=\$${var}
  74   if test "${value}" = "gld${EMULATION_NAME}_${override}"; then
  75     cat >>e${EMULATION_NAME}.c <<EOF
  76 #define ${value} vxworks_${override}
  77 EOF
  78   else
  79     eval $var=vxworks_${override}
  80   fi
  81 done