toolchain/binutils/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, 0))
  72           {
  73             /* xgettext:c-format */
  74             einfo (_("Errors encountered processing file %s"), is->filename);
  75           }
  76       }
  77   }
  78
  79   /* We have seen it all. Allocate it, and carry on */
  80   bfd_elf32_arm_allocate_interworking_sections (& link_info);
  81 }
  82
  83 static void
  84 gld${EMULATION_NAME}_after_open (void)
  85 {
  86
  87   LANG_FOR_EACH_INPUT_STATEMENT (is)
  88     {
  89       /* The interworking bfd must be the last one to be processed */
  90       if (!is->next)
  91          bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
  92     }
  93 }
  94
  95 static char *
  96 gld${EMULATION_NAME}_get_script (int *isfile)
  97 EOF
  98
  99 if test -n "$COMPILE_IN"
 100 then
 101 # Scripts compiled in.
 102
 103 # sed commands to quote an ld script as a C string.
 104 sc="-f stringify.sed"
 105
 106 cat >>e${EMULATION_NAME}.c <<EOF
 107 {
 108   *isfile = 0;
 109
 110   if (link_info.relocatable && config.build_constructors)
 111     return
 112 EOF
 113 sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
 114 echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
 115 sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
 116 echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
 117 sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
 118 echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
 119 sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
 120 echo '  ; else return'                                 >> e${EMULATION_NAME}.c
 121 sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
 122 echo '; }'                                             >> e${EMULATION_NAME}.c
 123
 124 else
 125 # Scripts read from the filesystem.
 126
 127 cat >>e${EMULATION_NAME}.c <<EOF
 128 {
 129   *isfile = 1;
 130
 131   if (link_info.relocatable && config.build_constructors)
 132     return "ldscripts/${EMULATION_NAME}.xu";
 133   else if (link_info.relocatable)
 134     return "ldscripts/${EMULATION_NAME}.xr";
 135   else if (!config.text_read_only)
 136     return "ldscripts/${EMULATION_NAME}.xbn";
 137   else if (!config.magic_demand_paged)
 138     return "ldscripts/${EMULATION_NAME}.xn";
 139   else
 140     return "ldscripts/${EMULATION_NAME}.x";
 141 }
 142 EOF
 143
 144 fi
 145
 146 cat >>e${EMULATION_NAME}.c <<EOF
 147
 148 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 149 {
 150   gld${EMULATION_NAME}_before_parse,
 151   syslib_default,
 152   hll_default,
 153   after_parse_default,
 154   gld${EMULATION_NAME}_after_open,
 155   after_allocation_default,
 156   set_output_arch_default,
 157   ldemul_default_target,
 158   gld${EMULATION_NAME}_before_allocation,
 159   gld${EMULATION_NAME}_get_script,
 160   "${EMULATION_NAME}",
 161   "${OUTPUT_FORMAT}",
 162   NULL, /* finish */
 163   NULL, /* create output section statements */
 164   NULL, /* open dynamic archive */
 165   NULL, /* place orphan */
 166   NULL, /* set symbols */
 167   NULL, /* parse args */
 168   NULL, /* add_options */
 169   NULL, /* handle_option */
 170   NULL, /* unrecognized file */
 171   NULL, /* list options */
 172   NULL, /* recognized file */
 173   NULL, /* find_potential_libraries */
 174   NULL  /* new_vers_pattern */
 175 };
 176 EOF