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 ${EMULATION_NAME}
   7    Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000
   8    Free Software Foundation, Inc.
   9    Written by Steve Chamberlain steve@cygnus.com
  10
  11 This file is part of GLD, the Gnu Linker.
  12
  13 This program is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License as published by
  15 the Free Software Foundation; either version 2 of the License, or
  16 (at your option) any later version.
  17
  18 This program is distributed in the hope that it will be useful,
  19 but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 GNU General Public License for more details.
  22
  23 You should have received a copy of the GNU General Public License
  24 along with this program; if not, write to the Free Software
  25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  26
  27 #define TARGET_IS_${EMULATION_NAME}
  28
  29 #define bfd_elf32_arm_allocate_interworking_sections \
  30         bfd_elf32_arm_oabi_allocate_interworking_sections
  31 #define bfd_elf32_arm_get_bfd_for_interworking \
  32         bfd_elf32_arm_oabi_get_bfd_for_interworking
  33 #define bfd_elf32_arm_process_before_allocation \
  34         bfd_elf32_arm_oabi_process_before_allocation
  35
  36 #include "bfd.h"
  37 #include "sysdep.h"
  38 #include "bfdlink.h"
  39 #include "getopt.h"
  40
  41 #include "ld.h"
  42 #include "ldmain.h"
  43 #include "ldmisc.h"
  44
  45 #include "ldexp.h"
  46 #include "ldlang.h"
  47 #include "ldfile.h"
  48 #include "ldemul.h"
  49
  50 static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
  51 static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
  52 static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
  53
  54 static void
  55 gld${EMULATION_NAME}_before_parse ()
  56 {
  57 #ifndef TARGET_                 /* I.e., if not generic.  */
  58   ldfile_set_output_arch ("`echo ${ARCH}`");
  59 #endif /* not TARGET_ */
  60 }
  61
  62 /* This is called after the sections have been attached to output
  63    sections, but before any sizes or addresses have been set.  */
  64
  65 static void
  66 gld${EMULATION_NAME}_before_allocation ()
  67 {
  68   /* we should be able to set the size of the interworking stub section */
  69
  70   /* Here we rummage through the found bfds to collect glue information */
  71   /* FIXME: should this be based on a command line option? krk@cygnus.com */
  72   {
  73     LANG_FOR_EACH_INPUT_STATEMENT (is)
  74       {
  75         if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0))
  76           {
  77             /* xgettext:c-format */
  78             einfo (_("Errors encountered processing file %s"), is->filename);
  79           }
  80       }
  81   }
  82
  83   /* We have seen it all. Allocate it, and carry on */
  84   bfd_elf32_arm_allocate_interworking_sections (& link_info);
  85 }
  86
  87 static void
  88 gld${EMULATION_NAME}_after_open ()
  89 {
  90
  91   LANG_FOR_EACH_INPUT_STATEMENT (is)
  92     {
  93       /* The interworking bfd must be the last one to be processed */
  94       if (!is->next)
  95          bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
  96     }
  97 }
  98
  99 static char *
 100 gld${EMULATION_NAME}_get_script (isfile)
 101      int *isfile;
 102 EOF
 103
 104 if test -n "$COMPILE_IN"
 105 then
 106 # Scripts compiled in.
 107
 108 # sed commands to quote an ld script as a C string.
 109 sc="-f stringify.sed"
 110
 111 cat >>e${EMULATION_NAME}.c <<EOF
 112 {
 113   *isfile = 0;
 114
 115   if (link_info.relocateable == true && config.build_constructors == true)
 116     return
 117 EOF
 118 sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
 119 echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
 120 sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
 121 echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
 122 sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
 123 echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
 124 sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
 125 echo '  ; else return'                                     >> e${EMULATION_NAME}.c
 126 sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
 127 echo '; }'                                                 >> e${EMULATION_NAME}.c
 128
 129 else
 130 # Scripts read from the filesystem.
 131
 132 cat >>e${EMULATION_NAME}.c <<EOF
 133 {
 134   *isfile = 1;
 135
 136   if (link_info.relocateable == true && config.build_constructors == true)
 137     return "ldscripts/${EMULATION_NAME}.xu";
 138   else if (link_info.relocateable == true)
 139     return "ldscripts/${EMULATION_NAME}.xr";
 140   else if (!config.text_read_only)
 141     return "ldscripts/${EMULATION_NAME}.xbn";
 142   else if (!config.magic_demand_paged)
 143     return "ldscripts/${EMULATION_NAME}.xn";
 144   else
 145     return "ldscripts/${EMULATION_NAME}.x";
 146 }
 147 EOF
 148
 149 fi
 150
 151 cat >>e${EMULATION_NAME}.c <<EOF
 152
 153 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 154 {
 155   gld${EMULATION_NAME}_before_parse,
 156   syslib_default,
 157   hll_default,
 158   after_parse_default,
 159   gld${EMULATION_NAME}_after_open,
 160   after_allocation_default,
 161   set_output_arch_default,
 162   ldemul_default_target,
 163   gld${EMULATION_NAME}_before_allocation,
 164   gld${EMULATION_NAME}_get_script,
 165   "${EMULATION_NAME}",
 166   "${OUTPUT_FORMAT}",
 167   NULL, /* finish */
 168   NULL, /* create output section statements */
 169   NULL, /* open dynamic archive */
 170   NULL, /* place orphan */
 171   NULL, /* set symbols */
 172   NULL, /* parse args */
 173   NULL, /* unrecognized file */
 174   NULL, /* list options */
 175   NULL, /* recognized file */
 176   NULL  /* find_potential_libraries */
 177 };
 178 EOF