1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
4 /* intel coff loader emulation specific stuff
5 Copyright 1991, 1992, 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
6 2005, 2007, 2008 Free Software Foundation, Inc.
7 Written by Steve Chamberlain steve@cygnus.com
9 This file is part of the GNU Binutils.
11 This program 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 3 of the License, or
14 (at your option) any later version.
16 This program 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 this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
24 MA 02110-1301, USA. */
27 #include "libiberty.h"
31 /*#include "archures.h"*/
40 typedef struct lib_list {
42 struct lib_list *next;
45 static lib_list_type *hll_list;
46 static lib_list_type **hll_list_tail = &hll_list;
48 static lib_list_type *syslib_list;
49 static lib_list_type **syslib_list_tail = &syslib_list;
53 append (lib_list_type ***list, char *name)
55 lib_list_type *element = (lib_list_type *) xmalloc (sizeof (lib_list_type));
58 element->next = (lib_list_type *) NULL;
60 *list = &element->next;
64 static bfd_boolean had_hll = FALSE;
65 static bfd_boolean had_hll_name = FALSE;
68 lnk960_hll (char *name)
71 if (name != (char *) NULL)
74 append (&hll_list_tail, name);
79 lnk960_syslib (char *name)
81 append (&syslib_list_tail, name);
86 lnk960_before_parse (void)
88 char *name = getenv ("I960BASE");
90 if (name == (char *) NULL)
92 name = getenv("G960BASE");
93 if (name == (char *) NULL)
94 einfo ("%P%F I960BASE and G960BASE not set\n");
97 ldfile_add_library_path (concat (name, "/lib", (const char *) NULL), FALSE);
98 ldfile_output_architecture = bfd_arch_i960;
99 ldfile_output_machine = bfd_mach_i960_core;
103 add_on (lib_list_type *list, lang_input_file_enum_type search)
107 lang_add_input_file (list->name, search, (char *) NULL);
113 lnk960_after_parse (void)
115 /* If there has been no arch, default to -KB */
116 if (ldfile_output_machine_name[0] == 0)
117 ldfile_add_arch ("KB");
119 /* if there has been no hll list then add our own */
121 if (had_hll && !had_hll_name)
123 append (&hll_list_tail, "cg");
124 if (ldfile_output_machine == bfd_mach_i960_ka_sa
125 || ldfile_output_machine == bfd_mach_i960_ca)
126 append (&hll_list_tail, "fpg");
129 add_on (hll_list, lang_input_file_is_l_enum);
130 add_on (syslib_list, lang_input_file_is_search_file_enum);
134 lnk960_after_allocation (void)
136 if (!link_info.relocatable)
138 lang_abs_symbol_at_end_of (".text", "_etext");
139 lang_abs_symbol_at_end_of (".data", "_edata");
140 lang_abs_symbol_at_beginning_of (".bss", "_bss_start");
141 lang_abs_symbol_at_end_of (".bss", "_end");
148 unsigned long number;
153 { bfd_mach_i960_core ,"CORE" },
154 { bfd_mach_i960_kb_sb ,"KB" },
155 { bfd_mach_i960_kb_sb ,"SB" },
156 { bfd_mach_i960_mc ,"MC" },
157 { bfd_mach_i960_xa ,"XA" },
158 { bfd_mach_i960_ca ,"CA" },
159 { bfd_mach_i960_ka_sa ,"KA" },
160 { bfd_mach_i960_ka_sa ,"SA" },
161 { bfd_mach_i960_jx ,"JX" },
162 { bfd_mach_i960_hx ,"HX" },
164 { bfd_mach_i960_core ,"core" },
165 { bfd_mach_i960_kb_sb ,"kb" },
166 { bfd_mach_i960_kb_sb ,"sb" },
167 { bfd_mach_i960_mc ,"mc" },
168 { bfd_mach_i960_xa ,"xa" },
169 { bfd_mach_i960_ca ,"ca" },
170 { bfd_mach_i960_ka_sa ,"ka" },
171 { bfd_mach_i960_ka_sa ,"sa" },
172 { bfd_mach_i960_jx ,"jx" },
173 { bfd_mach_i960_hx ,"hx" },
179 lnk960_set_output_arch (void)
181 /* Set the output architecture and machine if possible */
183 ldfile_output_machine = bfd_mach_i960_core;
184 for (i= 0; machine_table[i].name != (char*) NULL; i++)
186 if (strcmp (ldfile_output_machine_name, machine_table[i].name) == 0)
188 ldfile_output_machine = machine_table[i].number;
192 bfd_set_arch_mach (link_info.output_bfd, ldfile_output_architecture,
193 ldfile_output_machine);
197 lnk960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
199 char *from_outside = getenv (TARGET_ENVIRON);
200 if (from_outside != (char *) NULL)
203 return "coff-Intel-little";
205 return "coff-Intel-big";
210 lnk960_get_script (int *isfile)
213 if test -n "$COMPILE_IN"
215 # Scripts compiled in.
217 # sed commands to quote an ld script as a C string.
218 sc="-f stringify.sed"
224 if (link_info.relocatable && config.build_constructors)
227 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
228 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
229 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
230 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
231 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
232 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
233 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
234 echo ' ; else return' >> e${EMULATION_NAME}.c
235 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
236 echo '; }' >> e${EMULATION_NAME}.c
239 # Scripts read from the filesystem.
245 if (link_info.relocatable && config.build_constructors)
246 return "ldscripts/${EMULATION_NAME}.xu";
247 else if (link_info.relocatable)
248 return "ldscripts/${EMULATION_NAME}.xr";
249 else if (!config.text_read_only)
250 return "ldscripts/${EMULATION_NAME}.xbn";
251 else if (!config.magic_demand_paged)
252 return "ldscripts/${EMULATION_NAME}.xn";
254 return "ldscripts/${EMULATION_NAME}.x";
262 struct ld_emulation_xfer_struct ld_lnk960_emulation =
269 lnk960_after_allocation,
270 lnk960_set_output_arch,
271 lnk960_choose_target,
272 before_allocation_default,
277 NULL, /* create output section statements */
278 NULL, /* open dynamic archive */
279 NULL, /* place orphan */
280 NULL, /* set symbols */
281 NULL, /* parse args */
282 NULL, /* add_options */
283 NULL, /* handle_option */
284 NULL, /* unrecognized file */
285 NULL, /* list options */
286 NULL, /* recognized file */
287 NULL, /* find_potential_libraries */
288 NULL /* new_vers_pattern */