# This shell script emits a C file. -*- C -*- # It does some substitutions. cat >em_${EMULATION_NAME}.c <<EOF /* Copyright (C) 1991 Free Software Foundation, Inc. This file is part of GLD, the Gnu Linker. GLD 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 1, or (at your option) any later version. GLD 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 GLD; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * emulate the Intels port of gld */ #include "bfd.h" #include "sysdep.h" #include "ld.h" #include "config.h" #include "ldemul.h" #include "ldfile.h" #include "ldmisc.h" /* IMPORTS */ extern char *output_filename; extern boolean lang_float_flag; extern enum bfd_architecture ldfile_output_architecture; extern unsigned long ldfile_output_machine; extern char *ldfile_output_machine_name; extern bfd *output_bfd; #ifdef GNU960 static void gld960_before_parse() { static char *env_variables[] = { "G960LIB", "G960BASE", 0 }; char **p; char *env ; for ( p = env_variables; *p; p++ ){ env = (char *) getenv(*p); if (env) { ldfile_add_library_path(concat(env,"/lib/libbout","")); } } ldfile_output_architecture = bfd_arch_i960; } #else /* not GNU960 */ static void gld960_before_parse() { char *env ; env = getenv("G960LIB"); if (env) { ldfile_add_library_path(env); } env = getenv("G960BASE"); if (env) { ldfile_add_library_path(concat(env,"/lib","")); } ldfile_output_architecture = bfd_arch_i960; } #endif /* GNU960 */ static void gld960_set_output_arch() { bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core); } static char * gld960_choose_target() { #ifdef GNU960 output_filename = "b.out"; return bfd_make_targ_name(BFD_BOUT_FORMAT, 0); #else char *from_outside = getenv(TARGET_ENVIRON); output_filename = "b.out"; if (from_outside != (char *)NULL) return from_outside; return "b.out.little"; #endif } static char * gld960_get_script(isfile) int *isfile; EOF if test "$DEFAULT_EMULATION" = "$EMULATION_NAME" then # Scripts compiled in. # sed commands to quote an ld script as a C string. sc='s/["\\]/\\&/g s/$/\\n\\/ 1s/^/"{/ $s/$/n}"/ ' cat >>em_${EMULATION_NAME}.c <<EOF { extern ld_config_type config; *isfile = 0; if (config.relocateable_output == true && config.build_constructors == true) return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; else if (config.relocateable_output == true) return `sed "$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/${EMULATION_NAME}.x`; } EOF else # Scripts read from the filesystem. cat >>em_${EMULATION_NAME}.c <<EOF { extern ld_config_type config; *isfile = 1; if (config.relocateable_output == true && config.build_constructors == true) return "ldscripts/${EMULATION_NAME}.xu"; else if (config.relocateable_output == true) return "ldscripts/${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/${EMULATION_NAME}.x"; } EOF fi cat >>em_${EMULATION_NAME}.c <<EOF struct ld_emulation_xfer_struct ld_gld960_emulation = { gld960_before_parse, syslib_default, hll_default, after_parse_default, after_allocation_default, gld960_set_output_arch, gld960_choose_target, before_allocation_default, gld960_get_script, "960", "" }; EOF