1 /* Copyright (C) 1991 Free Software Foundation, Inc.
3 This file is part of GLD, the Gnu Linker.
5 GLD is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 1, or (at your option)
10 GLD is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GLD; see the file COPYING. If not, write to
17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
27 * intel coff loader emulation specific stuff
33 /*#include "archures.h"*/
41 extern boolean lang_float_flag;
42 extern bfd *output_bfd;
46 extern enum bfd_architecture ldfile_output_architecture;
47 extern unsigned long ldfile_output_machine;
48 extern char *ldfile_output_machine_name;
51 typedef struct lib_list {
53 struct lib_list *next;
56 static lib_list_type *hll_list;
57 static lib_list_type **hll_list_tail = &hll_list;
59 static lib_list_type *syslib_list;
60 static lib_list_type **syslib_list_tail = &syslib_list;
65 lib_list_type ***list;
68 lib_list_type *element =
69 (lib_list_type *)(ldmalloc(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;
85 if (name != (char *)NULL) {
87 append(&hll_list_tail, name);
95 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",""));
116 env= (char *) getenv("I960BASE");
118 ldfile_add_library_path(concat(env,"/lib",""));
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 info("%P%F I960BASE and G960BASE not set\n");
140 ldfile_add_library_path(concat(name,"/lib",""));
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,
160 static void lnk960_after_parse()
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()
189 lnk960_after_allocation()
191 extern ld_config_type config;
192 if (config.relocateable_output == 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;
207 bfd_mach_i960_core ,"CORE",
208 bfd_mach_i960_kb_sb ,"KB",
209 bfd_mach_i960_kb_sb ,"SB",
210 bfd_mach_i960_mc ,"MC",
211 bfd_mach_i960_xa ,"XA",
212 bfd_mach_i960_ca ,"CA",
213 bfd_mach_i960_ka_sa ,"KA",
214 bfd_mach_i960_ka_sa ,"SA",
216 bfd_mach_i960_core ,"core",
217 bfd_mach_i960_kb_sb ,"kb",
218 bfd_mach_i960_kb_sb ,"sb",
219 bfd_mach_i960_mc ,"mc",
220 bfd_mach_i960_xa ,"xa",
221 bfd_mach_i960_ca ,"ca",
222 bfd_mach_i960_ka_sa ,"ka",
223 bfd_mach_i960_ka_sa ,"sa",
228 lnk960_set_output_arch()
230 /* Set the output architecture and machine if possible */
232 ldfile_output_machine = bfd_mach_i960_core;
233 for (i= 0; machine_table[i].name != (char*)NULL; i++) {
234 if (strcmp(ldfile_output_machine_name,machine_table[i].name)==0) {
235 ldfile_output_machine = machine_table[i].number;
239 bfd_set_arch_mach(output_bfd, ldfile_output_architecture, ldfile_output_machine);
243 lnk960_choose_target()
247 return bfd_make_targ_name(BFD_COFF_FORMAT, 0);
251 char *from_outside = getenv(TARGET_ENVIRON);
252 if (from_outside != (char *)NULL)
254 return LNK960_TARGET;
259 /* The default script if none is offered */
260 static char *lnk960_script =
261 #include "ldlnk960.x"
265 static char *lnk960_script_relocateable =
266 #include "ldlnk960r.x"
269 static char *lnk960_get_script()
271 extern ld_config_type config;
272 if (config.relocateable_output) {
273 return lnk960_script_relocateable;
275 return lnk960_script;
277 struct ld_emulation_xfer_struct ld_lnk960_emulation =
283 lnk960_after_allocation,
284 lnk960_set_output_arch,
285 lnk960_choose_target,
286 lnk960_before_allocation,