ld/emultempl/armelf_oabi.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 cat >e${EMULATION_NAME}.c <<EOF
   4 /* This file is is generated by a shell script.  DO NOT EDIT! */
   5
   6 /* emulate the original gld for the given ${EMULATION_NAME}
   7    Copyright (C) 1991, 93, 96, 97, 98, 1999 Free Software Foundation, Inc.
   8    Written by Steve Chamberlain steve@cygnus.com
   9
  10 This file is part of GLD, the Gnu Linker.
  11
  12 This program is free software; you can redistribute it and/or modify
  13 it under the terms of the GNU General Public License as published by
  14 the Free Software Foundation; either version 2 of the License, or
  15 (at your option) any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 You should have received a copy of the GNU General Public License
  23 along with this program; if not, write to the Free Software
  24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  25
  26 #define TARGET_IS_${EMULATION_NAME}
  27
  28 #define bfd_elf32_arm_allocate_interworking_sections \
  29         bfd_elf32_arm_oabi_allocate_interworking_sections
  30 #define bfd_elf32_arm_get_bfd_for_interworking \
  31         bfd_elf32_arm_oabi_get_bfd_for_interworking
  32 #define bfd_elf32_arm_process_before_allocation \
  33         bfd_elf32_arm_oabi_process_before_allocation
  34
  35 #include "bfd.h"
  36 #include "sysdep.h"
  37 #include "bfdlink.h"
  38 #include "getopt.h"
  39
  40 #include "ld.h"
  41 #include "ldmain.h"
  42 #include "ldemul.h"
  43 #include "ldfile.h"
  44 #include "ldmisc.h"
  45
  46 #include "ldexp.h"
  47 #include "ldlang.h"
  48
  49 static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
  50 static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
  51 static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
  52
  53 static void
  54 gld${EMULATION_NAME}_before_parse ()
  55 {
  56 #ifndef TARGET_                 /* I.e., if not generic.  */
  57   ldfile_set_output_arch ("`echo ${ARCH}`");
  58 #endif /* not TARGET_ */
  59 }
  60
  61 /* This is called after the sections have been attached to output
  62    sections, but before any sizes or addresses have been set.  */
  63
  64 static void
  65 gld${EMULATION_NAME}_before_allocation ()
  66 {
  67   /* we should be able to set the size of the interworking stub section */
  68
  69   /* Here we rummage through the found bfds to collect glue information */
  70   /* FIXME: should this be based on a command line option? krk@cygnus.com */
  71   {
  72     LANG_FOR_EACH_INPUT_STATEMENT (is)
  73       {
  74         if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0))
  75           {
  76             /* xgettext:c-format */
  77             einfo (_("Errors encountered processing file %s"), is->filename);
  78           }
  79       }
  80   }
  81
  82   /* We have seen it all. Allocate it, and carry on */
  83   bfd_elf32_arm_allocate_interworking_sections (& link_info);
  84 }
  85
  86 static void
  87 gld${EMULATION_NAME}_after_open ()
  88 {
  89
  90   LANG_FOR_EACH_INPUT_STATEMENT (is)
  91     {
  92       /* The interworking bfd must be the last one to be processed */
  93       if (!is->next)
  94          bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
  95     }
  96 }
  97
  98 static char *
  99 gld${EMULATION_NAME}_get_script (isfile)
 100      int *isfile;
 101 EOF
 102
 103 if test -n "$COMPILE_IN"
 104 then
 105 # Scripts compiled in.
 106
 107 # sed commands to quote an ld script as a C string.
 108 sc="-f stringify.sed"
 109
 110 cat >>e${EMULATION_NAME}.c <<EOF
 111 {
 112   *isfile = 0;
 113
 114   if (link_info.relocateable == true && config.build_constructors == true)
 115     return
 116 EOF
 117 sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
 118 echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
 119 sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
 120 echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
 121 sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
 122 echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
 123 sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
 124 echo '  ; else return'                                     >> e${EMULATION_NAME}.c
 125 sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
 126 echo '; }'                                                 >> e${EMULATION_NAME}.c
 127
 128 else
 129 # Scripts read from the filesystem.
 130
 131 cat >>e${EMULATION_NAME}.c <<EOF
 132 {
 133   *isfile = 1;
 134
 135   if (link_info.relocateable == true && config.build_constructors == true)
 136     return "ldscripts/${EMULATION_NAME}.xu";
 137   else if (link_info.relocateable == true)
 138     return "ldscripts/${EMULATION_NAME}.xr";
 139   else if (!config.text_read_only)
 140     return "ldscripts/${EMULATION_NAME}.xbn";
 141   else if (!config.magic_demand_paged)
 142     return "ldscripts/${EMULATION_NAME}.xn";
 143   else
 144     return "ldscripts/${EMULATION_NAME}.x";
 145 }
 146 EOF
 147
 148 fi
 149
 150 cat >>e${EMULATION_NAME}.c <<EOF
 151
 152 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 153 {
 154   gld${EMULATION_NAME}_before_parse,
 155   syslib_default,
 156   hll_default,
 157   after_parse_default,
 158   gld${EMULATION_NAME}_after_open,
 159   after_allocation_default,
 160   set_output_arch_default,
 161   ldemul_default_target,
 162   gld${EMULATION_NAME}_before_allocation,
 163   gld${EMULATION_NAME}_get_script,
 164   "${EMULATION_NAME}",
 165   "${OUTPUT_FORMAT}",
 166   NULL, /* finish */
 167   NULL, /* create output section statements */
 168   NULL, /* open dynamic archive */
 169   NULL, /* place orphan */
 170   NULL, /* set symbols */
 171   NULL, /* parse args */
 172   NULL, /* unrecognized file */
 173   NULL, /* list options */
 174   NULL, /* recognized file */
 175   NULL  /* find_potential_libraries */
 176 };
 177 EOF