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Diffstat (limited to 'ld/emultempl/gld960c.em')
| -rw-r--r-- | ld/emultempl/gld960c.em | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/ld/emultempl/gld960c.em b/ld/emultempl/gld960c.em new file mode 100644 index 0000000..20cb5ed --- /dev/null +++ b/ld/emultempl/gld960c.em @@ -0,0 +1,192 @@ +# This shell script emits a C file. -*- C -*- +# It does some substitutions. +cat >e${EMULATION_NAME}.c <<EOF +/* Copyright (C) 1991, 1993, 1994, 1995, 1996 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, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ + +/* + * emulate the Intels port of gld + */ + + +#include <ctype.h> +#include "bfd.h" +#include "sysdep.h" +#include "libiberty.h" +#include "bfdlink.h" + +#include "ld.h" +#include "ldemul.h" +#include "ldfile.h" +#include "ldmisc.h" +#include "ldmain.h" + +#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/libcoff", + (const char *) NULL), + false); + } + } + 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, false); + } + env = getenv("G960BASE"); + if (env) + ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), + false); + ldfile_output_architecture = bfd_arch_i960; +} + +#endif /* GNU960 */ + + +static void +gld960_set_output_arch() +{ + if (ldfile_output_machine_name != NULL + && *ldfile_output_machine_name != '\0') + { + char *s, *s1; + + s = concat ("i960:", ldfile_output_machine_name, (char *) NULL); + for (s1 = s; *s1 != '\0'; s1++) + if (isupper ((unsigned char) *s1)) + *s1 = tolower ((unsigned char) *s1); + ldfile_set_output_arch (s); + free (s); + } + + set_output_arch_default (); +} + +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 "coff-Intel-little"; + +#endif +} + +static char * +gld960_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_gld960coff_emulation = +{ + gld960_before_parse, + syslib_default, + hll_default, + after_parse_default, + after_open_default, + after_allocation_default, + gld960_set_output_arch, + gld960_choose_target, + before_allocation_default, + gld960_get_script, + "960coff", + "" +}; +EOF |