| # This shell script emits a C file. -*- C -*- |
| # It does some substitutions. |
| cat >e${EMULATION_NAME}.c <<EOF |
| /* This file is is generated by a shell script. DO NOT EDIT! */ |
| |
| /* emulate the original gld for the given ${EMULATION_NAME} |
| Copyright (C) 1991, 93, 96, 97, 1998 Free Software Foundation, Inc. |
| Written by Steve Chamberlain steve@cygnus.com |
| |
| This file is part of GLD, the Gnu Linker. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| |
| #define TARGET_IS_${EMULATION_NAME} |
| |
| #include "bfd.h" |
| #include "sysdep.h" |
| #include "bfdlink.h" |
| #include "getopt.h" |
| |
| #include "ld.h" |
| #include "ldmain.h" |
| #include "ldemul.h" |
| #include "ldfile.h" |
| #include "ldmisc.h" |
| |
| #include "ldexp.h" |
| #include "ldlang.h" |
| |
| static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); |
| static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); |
| static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); |
| static int gld${EMULATION_NAME}_parse_args PARAMS((int, char **)); |
| static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *)); |
| |
| /* If true, then interworking stubs which support calls to old, non-interworking |
| aware ARM code should be generated. */ |
| |
| static int support_old_code = 0; |
| |
| #define OPTION_SUPPORT_OLD_CODE 300 |
| |
| static struct option longopts[] = |
| { |
| {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, |
| {NULL, no_argument, NULL, 0} |
| }; |
| |
| static void |
| gld${EMULATION_NAME}_list_options (file) |
| FILE * file; |
| { |
| fprintf (file, _(" --support-old-code Support interworking with old code\n")); |
| } |
| |
| static int |
| gld${EMULATION_NAME}_parse_args (argc, argv) |
| int argc; |
| char ** argv; |
| { |
| int longind; |
| int optc; |
| int prevoptind = optind; |
| int prevopterr = opterr; |
| int wanterror; |
| static int lastoptind = -1; |
| |
| if (lastoptind != optind) |
| opterr = 0; |
| |
| wanterror = opterr; |
| lastoptind = optind; |
| |
| optc = getopt_long_only (argc, argv, "-", longopts, & longind); |
| opterr = prevopterr; |
| |
| switch (optc) |
| { |
| default: |
| if (wanterror) |
| xexit (1); |
| optind = prevoptind; |
| return 0; |
| |
| case OPTION_SUPPORT_OLD_CODE: |
| support_old_code = 1; |
| break; |
| } |
| |
| return 1; |
| } |
| |
| static void |
| gld${EMULATION_NAME}_before_parse () |
| { |
| #ifndef TARGET_ /* I.e., if not generic. */ |
| ldfile_set_output_arch ("`echo ${ARCH}`"); |
| #endif /* not TARGET_ */ |
| } |
| |
| /* This is called after the sections have been attached to output |
| sections, but before any sizes or addresses have been set. */ |
| |
| static void |
| gld${EMULATION_NAME}_before_allocation () |
| { |
| /* we should be able to set the size of the interworking stub section */ |
| |
| /* Here we rummage through the found bfds to collect glue information */ |
| /* FIXME: should this be based on a command line option? krk@cygnus.com */ |
| { |
| LANG_FOR_EACH_INPUT_STATEMENT (is) |
| { |
| if (! bfd_arm_process_before_allocation |
| (is->the_bfd, & link_info, support_old_code)) |
| { |
| /* xgettext:c-format */ |
| einfo (_("Errors encountered processing file %s"), is->filename); |
| } |
| } |
| } |
| |
| /* We have seen it all. Allocate it, and carry on */ |
| bfd_arm_allocate_interworking_sections (& link_info); |
| } |
| |
| static void |
| gld${EMULATION_NAME}_after_open () |
| { |
| LANG_FOR_EACH_INPUT_STATEMENT (is) |
| { |
| if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
| break; |
| } |
| } |
| |
| static char * |
| gld${EMULATION_NAME}_get_script (isfile) |
| int *isfile; |
| EOF |
| |
| if test -n "$COMPILE_IN" |
| then |
| # Scripts compiled in. |
| |
| # sed commands to quote an ld script as a C string. |
| sc="-f ${srcdir}/emultempl/stringify.sed" |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| { |
| *isfile = 0; |
| |
| if (link_info.relocateable == true && config.build_constructors == true) |
| return |
| EOF |
| sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
| echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
| echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c |
| echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c |
| echo ' ; else return' >> e${EMULATION_NAME}.c |
| sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c |
| echo '; }' >> e${EMULATION_NAME}.c |
| |
| else |
| # Scripts read from the filesystem. |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| { |
| *isfile = 1; |
| |
| if (link_info.relocateable == true && config.build_constructors == true) |
| return "ldscripts/${EMULATION_NAME}.xu"; |
| else if (link_info.relocateable == true) |
| return "ldscripts/${EMULATION_NAME}.xr"; |
| else if (!config.text_read_only) |
| return "ldscripts/${EMULATION_NAME}.xbn"; |
| else if (!config.magic_demand_paged) |
| return "ldscripts/${EMULATION_NAME}.xn"; |
| else |
| return "ldscripts/${EMULATION_NAME}.x"; |
| } |
| EOF |
| |
| fi |
| |
| cat >>e${EMULATION_NAME}.c <<EOF |
| |
| struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
| { |
| gld${EMULATION_NAME}_before_parse, |
| syslib_default, |
| hll_default, |
| after_parse_default, |
| gld${EMULATION_NAME}_after_open, |
| after_allocation_default, |
| set_output_arch_default, |
| ldemul_default_target, |
| gld${EMULATION_NAME}_before_allocation, |
| gld${EMULATION_NAME}_get_script, |
| "${EMULATION_NAME}", |
| "${OUTPUT_FORMAT}", |
| NULL, /* finish */ |
| NULL, /* create output section statements */ |
| NULL, /* open dynamic archive */ |
| NULL, /* place orphan */ |
| NULL, /* set_symbols */ |
| gld${EMULATION_NAME}_parse_args, |
| NULL, /* unrecognised file */ |
| gld${EMULATION_NAME}_list_options |
| }; |
| EOF |