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
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;
50 static void append PARAMS ((lib_list_type ***, char *));
51 static void lnk960_hll PARAMS ((char *));
52 static void lnk960_syslib PARAMS ((char *));
53 static void lnk960_before_parse PARAMS ((void));
54 static void add_on PARAMS ((lib_list_type *, lang_input_file_enum_type));
55 static void lnk960_after_parse PARAMS ((void));
56 static void lnk960_before_allocation PARAMS ((void));
57 static void lnk960_after_allocation PARAMS ((void));
58 static void lnk960_set_output_arch PARAMS ((void));
59 static char *lnk960_choose_target PARAMS ((int, char **));
60 static char *lnk960_get_script PARAMS ((int *));
65 lib_list_type ***list;
68 lib_list_type *element =
69 (lib_list_type *)(xmalloc(sizeof(lib_list_type)));
72 element->next = (lib_list_type *)NULL;
74 *list = &element->next;
78 static boolean had_hll = false;
79 static boolean had_hll_name = false;
86 if (name != (char *)NULL) {
88 append(&hll_list_tail, name);
96 append(&syslib_list_tail,name);
103 lnk960_before_parse()
105 static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
109 for ( p = env_variables; *p; p++ ){
110 env = (char *) getenv(*p);
112 ldfile_add_library_path(concat(env,"/lib/libcoff",""), false);
116 env= (char *) getenv("I960BASE");
118 ldfile_add_library_path(concat(env,"/lib",""), false);
121 ldfile_output_architecture = bfd_arch_i960;
122 ldfile_output_machine = bfd_mach_i960_core;
125 #else /* not GNU960 */
128 lnk960_before_parse()
130 char *name = getenv("I960BASE");
132 if (name == (char *)NULL) {
133 name = getenv("G960BASE");
134 if (name == (char *)NULL) {
135 einfo("%P%F I960BASE and G960BASE not set\n");
140 ldfile_add_library_path(concat(name,"/lib",""), false);
141 ldfile_output_architecture = bfd_arch_i960;
142 ldfile_output_machine = bfd_mach_i960_core;
151 lang_input_file_enum_type search;
154 lang_add_input_file(list->name,
163 /* If there has been no arch, default to -KB */
164 if (ldfile_output_machine_name[0] ==0) {
165 ldfile_add_arch("KB");
168 /* if there has been no hll list then add our own */
170 if(had_hll && !had_hll_name) {
171 append(&hll_list_tail,"cg");
172 if (ldfile_output_machine == bfd_mach_i960_ka_sa ||
173 ldfile_output_machine == bfd_mach_i960_ca) {
175 append(&hll_list_tail,"fpg");
180 add_on(hll_list, lang_input_file_is_l_enum);
181 add_on(syslib_list, lang_input_file_is_search_file_enum);
185 lnk960_before_allocation()
190 lnk960_after_allocation()
192 if (link_info.relocateable == false) {
193 lang_abs_symbol_at_end_of(".text","_etext");
194 lang_abs_symbol_at_end_of(".data","_edata");
195 lang_abs_symbol_at_beginning_of(".bss","_bss_start");
196 lang_abs_symbol_at_end_of(".bss","_end");
203 unsigned long number;
208 { bfd_mach_i960_core ,"CORE" },
209 { bfd_mach_i960_kb_sb ,"KB" },
210 { bfd_mach_i960_kb_sb ,"SB" },
211 { bfd_mach_i960_mc ,"MC" },
212 { bfd_mach_i960_xa ,"XA" },
213 { bfd_mach_i960_ca ,"CA" },
214 { bfd_mach_i960_ka_sa ,"KA" },
215 { bfd_mach_i960_ka_sa ,"SA" },
216 { bfd_mach_i960_jx ,"JX" },
217 { bfd_mach_i960_hx ,"HX" },
219 { bfd_mach_i960_core ,"core" },
220 { bfd_mach_i960_kb_sb ,"kb" },
221 { bfd_mach_i960_kb_sb ,"sb" },
222 { bfd_mach_i960_mc ,"mc" },
223 { bfd_mach_i960_xa ,"xa" },
224 { bfd_mach_i960_ca ,"ca" },
225 { bfd_mach_i960_ka_sa ,"ka" },
226 { bfd_mach_i960_ka_sa ,"sa" },
227 { bfd_mach_i960_jx ,"jx" },
228 { bfd_mach_i960_hx ,"hx" },
234 lnk960_set_output_arch()
236 /* Set the output architecture and machine if possible */
238 ldfile_output_machine = bfd_mach_i960_core;
239 for (i= 0; machine_table[i].name != (char*)NULL; i++) {
240 if (strcmp(ldfile_output_machine_name,machine_table[i].name)==0) {
241 ldfile_output_machine = machine_table[i].number;
245 bfd_set_arch_mach(output_bfd, ldfile_output_architecture, ldfile_output_machine);
249 lnk960_choose_target (argc, argv)
250 int argc ATTRIBUTE_UNUSED;
251 char **argv ATTRIBUTE_UNUSED;
255 return bfd_make_targ_name(BFD_COFF_FORMAT, 0);
259 char *from_outside = getenv(TARGET_ENVIRON);
260 if (from_outside != (char *)NULL)
263 return "coff-Intel-little";
265 return "coff-Intel-big";
272 lnk960_get_script(isfile)
276 if test -n "$COMPILE_IN"
278 # Scripts compiled in.
280 # sed commands to quote an ld script as a C string.
281 sc="-f stringify.sed"
283 cat >>e${EMULATION_NAME}.c <<EOF
287 if (link_info.relocateable == true && config.build_constructors == true)
290 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
291 echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
292 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
293 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
294 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
295 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
296 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
297 echo ' ; else return' >> e${EMULATION_NAME}.c
298 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
299 echo '; }' >> e${EMULATION_NAME}.c
302 # Scripts read from the filesystem.
304 cat >>e${EMULATION_NAME}.c <<EOF
308 if (link_info.relocateable == true && config.build_constructors == true)
309 return "ldscripts/${EMULATION_NAME}.xu";
310 else if (link_info.relocateable == true)
311 return "ldscripts/${EMULATION_NAME}.xr";
312 else if (!config.text_read_only)
313 return "ldscripts/${EMULATION_NAME}.xbn";
314 else if (!config.magic_demand_paged)
315 return "ldscripts/${EMULATION_NAME}.xn";
317 return "ldscripts/${EMULATION_NAME}.x";
323 cat >>e${EMULATION_NAME}.c <<EOF
325 struct ld_emulation_xfer_struct ld_lnk960_emulation =
331 NULL, /* after_open */
332 lnk960_after_allocation,
333 lnk960_set_output_arch,
334 lnk960_choose_target,
335 lnk960_before_allocation,
340 NULL, /* create output section statements */
341 NULL, /* open dynamic archive */
342 NULL, /* place orphan */
343 NULL, /* set symbols */
344 NULL, /* parse args */
345 NULL, /* unrecognized file */
346 NULL, /* list options */
347 NULL, /* recognized file */
348 NULL /* find_potential_libraries */