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 ${EMULATION_NAME}
   7    Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   8    2004 Free Software Foundation, Inc.
   9    Written by Steve Chamberlain steve@cygnus.com
  10
  11 This file is part of GLD, the Gnu Linker.
  12
  13 This program is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License as published by
  15 the Free Software Foundation; either version 2 of the License, or
  16 (at your option) any later version.
  17
  18 This program is distributed in the hope that it will be useful,
  19 but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 GNU General Public License for more details.
  22
  23 You should have received a copy of the GNU General Public License
  24 along with this program; if not, write to the Free Software
  25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  26
  27 #define TARGET_IS_${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
  51 gld${EMULATION_NAME}_before_parse (void)
  52 {
  53 #ifndef TARGET_                 /* I.e., if not generic.  */
  54   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
  55 #endif /* not TARGET_ */
  56 }
  57
  58 /* This is called after the sections have been attached to output
  59    sections, but before any sizes or addresses have been set.  */
  60
  61 static void
  62 gld${EMULATION_NAME}_before_allocation (void)
  63 {
  64   /* we should be able to set the size of the interworking stub section */
  65
  66   /* Here we rummage through the found bfds to collect glue information */
  67   /* FIXME: should this be based on a command line option? krk@cygnus.com */
  68   {
  69     LANG_FOR_EACH_INPUT_STATEMENT (is)
  70       {
  71         if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info,
  72                                                       0, 0))
  73           {
  74             /* xgettext:c-format */
  75             einfo (_("Errors encountered processing file %s"), is->filename);
  76           }
  77       }
  78   }
  79
  80   /* We have seen it all. Allocate it, and carry on */
  81   bfd_elf32_arm_allocate_interworking_sections (& link_info);
  82 }
  83
  84 static void
  85 gld${EMULATION_NAME}_after_open (void)
  86 {
  87
  88   LANG_FOR_EACH_INPUT_STATEMENT (is)
  89     {
  90       /* The interworking bfd must be the last one to be processed */
  91       if (!is->next)
  92          bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
  93     }
  94 }
  95
  96 static char *
  97 gld${EMULATION_NAME}_get_script (int *isfile)
  98 EOF
  99
 100 if test -n "$COMPILE_IN"
 101 then
 102 # Scripts compiled in.
 103
 104 # sed commands to quote an ld script as a C string.
 105 sc="-f stringify.sed"
 106
 107 cat >>e${EMULATION_NAME}.c <<EOF
 108 {
 109   *isfile = 0;
 110
 111   if (link_info.relocatable && config.build_constructors)
 112     return
 113 EOF
 114 sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
 115 echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
 116 sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
 117 echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
 118 sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
 119 echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
 120 sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
 121 echo '  ; else return'                                 >> e${EMULATION_NAME}.c
 122 sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
 123 echo '; }'                                             >> e${EMULATION_NAME}.c
 124
 125 else
 126 # Scripts read from the filesystem.
 127
 128 cat >>e${EMULATION_NAME}.c <<EOF
 129 {
 130   *isfile = 1;
 131
 132   if (link_info.relocatable && config.build_constructors)
 133     return "ldscripts/${EMULATION_NAME}.xu";
 134   else if (link_info.relocatable)
 135     return "ldscripts/${EMULATION_NAME}.xr";
 136   else if (!config.text_read_only)
 137     return "ldscripts/${EMULATION_NAME}.xbn";
 138   else if (!config.magic_demand_paged)
 139     return "ldscripts/${EMULATION_NAME}.xn";
 140   else
 141     return "ldscripts/${EMULATION_NAME}.x";
 142 }
 143 EOF
 144
 145 fi
 146
 147 cat >>e${EMULATION_NAME}.c <<EOF
 148
 149 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 150 {
 151   gld${EMULATION_NAME}_before_parse,
 152   syslib_default,
 153   hll_default,
 154   after_parse_default,
 155   gld${EMULATION_NAME}_after_open,
 156   after_allocation_default,
 157   set_output_arch_default,
 158   ldemul_default_target,
 159   gld${EMULATION_NAME}_before_allocation,
 160   gld${EMULATION_NAME}_get_script,
 161   "${EMULATION_NAME}",
 162   "${OUTPUT_FORMAT}",
 163   NULL, /* finish */
 164   NULL, /* create output section statements */
 165   NULL, /* open dynamic archive */
 166   NULL, /* place orphan */
 167   NULL, /* set symbols */
 168   NULL, /* parse args */
 169   NULL, /* add_options */
 170   NULL, /* handle_option */
 171   NULL, /* unrecognized file */
 172   NULL, /* list options */
 173   NULL, /* recognized file */
 174   NULL, /* find_potential_libraries */
 175   NULL  /* new_vers_pattern */
 176 };
 177 EOF