# 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! */ /* Linux a.out emulation code for ${EMULATION_NAME} Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. Written by Steve Chamberlain <sac@cygnus.com> Linux support by Eric Youngdale <ericy@cais.cais.com> This file is part of GLD, the Gnu Linker. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define TARGET_IS_${EMULATION_NAME} #include "bfd.h" #include "sysdep.h" #include "bfdlink.h" #include "ld.h" #include "config.h" #include "ldmain.h" #include "ldemul.h" #include "ldfile.h" #include "ldmisc.h" #include "ldexp.h" #include "ldlang.h" static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); static boolean gld${EMULATION_NAME}_open_dynamic_archive PARAMS ((const char *, lang_input_statement_type *)); static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); static void gld${EMULATION_NAME}_before_parse() { ldfile_output_architecture = bfd_arch_${ARCH}; config.dynamic_link = true; } /* Try to open a dynamic archive. This is where we know that Linux dynamic libraries have an extension of .sa. */ static boolean gld${EMULATION_NAME}_open_dynamic_archive (arch, entry) const char *arch; lang_input_statement_type *entry; { return ldfile_open_file_search (arch, entry, "lib", ".sa"); } /* This is called after the sections have been attached to output sections, but before any sizes or addresses have been set. */ static void gld${EMULATION_NAME}_before_allocation () { if (link_info.relocateable) return; /* Let the backend work out the sizes of any sections required by dynamic linking. */ if (! bfd_linux_size_dynamic_sections (output_bfd, &link_info)) einfo ("%P%F: failed to set dynamic section sizes: %E\n"); } 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='s/["\\]/\\&/g s/$/\\n\\/ 1s/^/"/ $s/$/n"/ ' cat >>e${EMULATION_NAME}.c <<EOF { *isfile = 0; if (link_info.relocateable == true && config.build_constructors == true) return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; else if (link_info.relocateable == true) return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`; else if (!config.text_read_only) return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`; else if (!config.magic_demand_paged) return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`; else return `sed "$sc" ldscripts/${EMULATION_NAME}.x`; } EOF else # Scripts read from the filesystem. cat >>e${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, 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, NULL, gld${EMULATION_NAME}_open_dynamic_archive }; EOF