1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 cat >e${EMULATION_NAME}.c <<EOF
4 /* intel coff loader emulation specific stuff
5 Copyright 1991, 1992, 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003
6 Free Software Foundation, Inc.
7 Written by Steve Chamberlain steve@cygnus.com
9 This file is part of GLD, the Gnu Linker.
11 GLD is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2, or (at your option)
16 GLD is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with GLD; see the file COPYING. If not, write to
23 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #include "libiberty.h"
30 /*#include "archures.h"*/
39 typedef struct lib_list {
41 struct lib_list *next;
44 static lib_list_type *hll_list;
45 static lib_list_type **hll_list_tail = &hll_list;
47 static lib_list_type *syslib_list;
48 static lib_list_type **syslib_list_tail = &syslib_list;
52 append (lib_list_type ***list, char *name)
54 lib_list_type *element = (lib_list_type *) xmalloc (sizeof (lib_list_type));
57 element->next = (lib_list_type *) NULL;
59 *list = &element->next;
63 static bfd_boolean had_hll = FALSE;
64 static bfd_boolean had_hll_name = FALSE;
67 lnk960_hll (char *name)
70 if (name != (char *) NULL)
73 append (&hll_list_tail, name);
78 lnk960_syslib (char *name)
80 append (&syslib_list_tail, name);
87 lnk960_before_parse (void)
89 static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
93 for (p = env_variables; *p; p++)
95 env = (char *) getenv (*p);
97 ldfile_add_library_path (concat (env, "/lib/libcoff", ""), FALSE);
100 env = (char *) getenv ("I960BASE");
102 ldfile_add_library_path(concat (env, "/lib", ""), FALSE);
104 ldfile_output_architecture = bfd_arch_i960;
105 ldfile_output_machine = bfd_mach_i960_core;
108 #else /* not GNU960 */
111 lnk960_before_parse (void)
113 char *name = getenv ("I960BASE");
115 if (name == (char *) NULL)
117 name = getenv("G960BASE");
118 if (name == (char *) NULL)
119 einfo ("%P%F I960BASE and G960BASE not set\n");
123 ldfile_add_library_path (concat (name, "/lib", ""), FALSE);
124 ldfile_output_architecture = bfd_arch_i960;
125 ldfile_output_machine = bfd_mach_i960_core;
132 add_on (lib_list_type *list, lang_input_file_enum_type search)
136 lang_add_input_file (list->name, search, (char *) NULL);
142 lnk960_after_parse (void)
144 /* If there has been no arch, default to -KB */
145 if (ldfile_output_machine_name[0] == 0)
146 ldfile_add_arch ("KB");
148 /* if there has been no hll list then add our own */
150 if (had_hll && !had_hll_name)
152 append (&hll_list_tail, "cg");
153 if (ldfile_output_machine == bfd_mach_i960_ka_sa
154 || ldfile_output_machine == bfd_mach_i960_ca)
155 append (&hll_list_tail, "fpg");
158 add_on (hll_list, lang_input_file_is_l_enum);
159 add_on (syslib_list, lang_input_file_is_search_file_enum);
163 lnk960_before_allocation (void)
168 lnk960_after_allocation (void)
170 if (!link_info.relocatable)
172 lang_abs_symbol_at_end_of (".text", "_etext");
173 lang_abs_symbol_at_end_of (".data", "_edata");
174 lang_abs_symbol_at_beginning_of (".bss", "_bss_start");
175 lang_abs_symbol_at_end_of (".bss", "_end");
182 unsigned long number;
187 { bfd_mach_i960_core ,"CORE" },
188 { bfd_mach_i960_kb_sb ,"KB" },
189 { bfd_mach_i960_kb_sb ,"SB" },
190 { bfd_mach_i960_mc ,"MC" },
191 { bfd_mach_i960_xa ,"XA" },
192 { bfd_mach_i960_ca ,"CA" },
193 { bfd_mach_i960_ka_sa ,"KA" },
194 { bfd_mach_i960_ka_sa ,"SA" },
195 { bfd_mach_i960_jx ,"JX" },
196 { bfd_mach_i960_hx ,"HX" },
198 { bfd_mach_i960_core ,"core" },
199 { bfd_mach_i960_kb_sb ,"kb" },
200 { bfd_mach_i960_kb_sb ,"sb" },
201 { bfd_mach_i960_mc ,"mc" },
202 { bfd_mach_i960_xa ,"xa" },
203 { bfd_mach_i960_ca ,"ca" },
204 { bfd_mach_i960_ka_sa ,"ka" },
205 { bfd_mach_i960_ka_sa ,"sa" },
206 { bfd_mach_i960_jx ,"jx" },
207 { bfd_mach_i960_hx ,"hx" },
213 lnk960_set_output_arch (void)
215 /* Set the output architecture and machine if possible */
217 ldfile_output_machine = bfd_mach_i960_core;
218 for (i= 0; machine_table[i].name != (char*) NULL; i++)
220 if (strcmp (ldfile_output_machine_name, machine_table[i].name) == 0)
222 ldfile_output_machine = machine_table[i].number;
226 bfd_set_arch_mach (output_bfd, ldfile_output_architecture,
227 ldfile_output_machine);
231 lnk960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
235 return bfd_make_targ_name (BFD_COFF_FORMAT, 0);
239 char *from_outside = getenv (TARGET_ENVIRON);
240 if (from_outside != (char *) NULL)
243 return "coff-Intel-little";
245 return "coff-Intel-big";
252 lnk960_get_script (int *isfile)
255 if test -n "$COMPILE_IN"
257 # Scripts compiled in.
259 # sed commands to quote an ld script as a C string.
260 sc="-f stringify.sed"
262 cat >>e${EMULATION_NAME}.c <<EOF
266 if (link_info.relocatable && config.build_constructors)
269 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
270 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
271 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
272 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
273 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
274 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
275 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
276 echo ' ; else return' >> e${EMULATION_NAME}.c
277 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
278 echo '; }' >> e${EMULATION_NAME}.c
281 # Scripts read from the filesystem.
283 cat >>e${EMULATION_NAME}.c <<EOF
287 if (link_info.relocatable && config.build_constructors)
288 return "ldscripts/${EMULATION_NAME}.xu";
289 else if (link_info.relocatable)
290 return "ldscripts/${EMULATION_NAME}.xr";
291 else if (!config.text_read_only)
292 return "ldscripts/${EMULATION_NAME}.xbn";
293 else if (!config.magic_demand_paged)
294 return "ldscripts/${EMULATION_NAME}.xn";
296 return "ldscripts/${EMULATION_NAME}.x";
302 cat >>e${EMULATION_NAME}.c <<EOF
304 struct ld_emulation_xfer_struct ld_lnk960_emulation =
310 NULL, /* after_open */
311 lnk960_after_allocation,
312 lnk960_set_output_arch,
313 lnk960_choose_target,
314 lnk960_before_allocation,
319 NULL, /* create output section statements */
320 NULL, /* open dynamic archive */
321 NULL, /* place orphan */
322 NULL, /* set symbols */
323 NULL, /* parse args */
324 NULL, /* add_options */
325 NULL, /* handle_option */
326 NULL, /* unrecognized file */
327 NULL, /* list options */
328 NULL, /* recognized file */
329 NULL, /* find_potential_libraries */
330 NULL /* new_vers_pattern */