ld/emultempl/generic.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 fragment <<EOF
   4 /* This file is is generated by a shell script.  DO NOT EDIT! */
   5
   6 /* emulate the original gld for the given ${EMULATION_NAME}
   7    Copyright (C) 1991-2024 Free Software Foundation, Inc.
   8    Written by Steve Chamberlain steve@cygnus.com
   9
  10    This file is part of the GNU Binutils.
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program; if not, write to the Free Software
  24    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  25    MA 02110-1301, USA.  */
  26
  27 #define TARGET_IS_${EMULATION_NAME}
  28
  29 #include "sysdep.h"
  30 #include "bfd.h"
  31 #include "bfdlink.h"
  32 #include "ctf-api.h"
  33
  34 #include "ld.h"
  35 #include "ldmain.h"
  36 #include "ldmisc.h"
  37
  38 #include "ldexp.h"
  39 #include "ldlang.h"
  40 #include "ldfile.h"
  41 #include "ldemul.h"
  42
  43 EOF
  44
  45 # Import any needed special functions and/or overrides.
  46 #
  47 if test -n "$EXTRA_EM_FILE" ; then
  48   source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
  49 fi
  50
  51 if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
  52 fragment <<EOF
  53
  54 static void
  55 gld${EMULATION_NAME}_before_parse (void)
  56 {
  57 #ifndef TARGET_                 /* I.e., if not generic.  */
  58   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
  59 #endif /* not TARGET_ */
  60 EOF
  61   # The MSP430 port *needs* linker relaxtion in order to cope with large
  62   # functions where conditional branches do not fit into a +/- 1024 byte range.
  63   case ${target} in
  64     msp430-*-* )
  65 fragment <<EOF
  66   if (!bfd_link_relocatable (&link_info))
  67     TARGET_ENABLE_RELAXATION;
  68 EOF
  69     ;;
  70   esac
  71 fragment <<EOF
  72 }
  73
  74 EOF
  75 fi
  76
  77 if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
  78 fragment <<EOF
  79
  80 static char *
  81 gld${EMULATION_NAME}_get_script (int *isfile)
  82 EOF
  83
  84 if test x"$COMPILE_IN" = xyes
  85 then
  86 # Scripts compiled in.
  87
  88 # sed commands to quote an ld script as a C string.
  89 sc="-f ${srcdir}/emultempl/stringify.sed"
  90
  91 fragment <<EOF
  92 {
  93   *isfile = 0;
  94
  95   if (bfd_link_relocatable (&link_info) && config.build_constructors)
  96     return
  97 EOF
  98 sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
  99 echo '  ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
 100 sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
 101 echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
 102 sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
 103 echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
 104 sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
 105 echo '  ; else return'                                 >> e${EMULATION_NAME}.c
 106 sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
 107 echo '; }'                                             >> e${EMULATION_NAME}.c
 108
 109 else
 110 # Scripts read from the filesystem.
 111
 112 fragment <<EOF
 113 {
 114   *isfile = 1;
 115
 116   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 117     return "ldscripts/${EMULATION_NAME}.xu";
 118   else if (bfd_link_relocatable (&link_info))
 119     return "ldscripts/${EMULATION_NAME}.xr";
 120   else if (!config.text_read_only)
 121     return "ldscripts/${EMULATION_NAME}.xbn";
 122   else if (!config.magic_demand_paged)
 123     return "ldscripts/${EMULATION_NAME}.xn";
 124   else
 125     return "ldscripts/${EMULATION_NAME}.x";
 126 }
 127 EOF
 128 fi
 129 fi
 130
 131 source_em ${srcdir}/emultempl/emulation.em