To satisfy latest CVS gcc:
[platform/upstream/binutils.git] / ld / emultempl / gld960c.em
1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 cat >e${EMULATION_NAME}.c <<EOF
4 /* Copyright (C) 1991, 93, 94, 95, 96, 1999 Free Software Foundation, Inc.
5
6 This file is part of GLD, the Gnu Linker.
7
8 GLD is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 1, or (at your option)
11 any later version.
12
13 GLD is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GLD; see the file COPYING.  If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
21 02111-1307, USA.  */
22
23 /* 
24  * emulate the Intels port of  gld
25  */
26
27
28 #include <ctype.h>
29 #include "bfd.h"
30 #include "sysdep.h"
31 #include "libiberty.h"
32 #include "bfdlink.h"
33
34 #include "ld.h"
35 #include "ldemul.h"
36 #include "ldfile.h"
37 #include "ldmisc.h"
38 #include "ldmain.h"
39
40 #ifdef GNU960
41
42 static void
43 gld960_before_parse()
44 {
45   static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
46   char **p;
47   char *env ;
48
49   for ( p = env_variables; *p; p++ ){
50     env =  (char *) getenv(*p);
51     if (env) {
52       ldfile_add_library_path (concat (env,
53                                        "/lib/libcoff",
54                                        (const char *) NULL),
55                                false);
56     }
57   }
58   ldfile_output_architecture = bfd_arch_i960;
59 }
60
61 #else   /* not GNU960 */
62
63 static void gld960_before_parse()
64 {
65   char *env ;
66   env =  getenv("G960LIB");
67   if (env) {
68     ldfile_add_library_path(env, false);
69   }
70   env = getenv("G960BASE");
71   if (env)
72     ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
73                              false);
74   ldfile_output_architecture = bfd_arch_i960;
75 }
76
77 #endif  /* GNU960 */
78
79
80 static void
81 gld960_set_output_arch()
82 {
83   if (ldfile_output_machine_name != NULL
84       && *ldfile_output_machine_name != '\0')
85     {
86       char *s, *s1;
87
88       s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
89       for (s1 = s; *s1 != '\0'; s1++)
90         if (isupper ((unsigned char) *s1))
91           *s1 = tolower ((unsigned char) *s1);
92       ldfile_set_output_arch (s);
93       free (s);
94     }
95
96   set_output_arch_default ();
97 }
98
99 static char *
100 gld960_choose_target()
101 {
102 #ifdef GNU960
103
104   output_filename = "b.out";
105   return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
106
107 #else
108
109   char *from_outside = getenv(TARGET_ENVIRON);
110   output_filename = "b.out";
111
112   if (from_outside != (char *)NULL)
113     return from_outside;
114
115   return "coff-Intel-little";
116
117 #endif
118 }
119
120 static char *
121 gld960_get_script(isfile)
122      int *isfile;
123 EOF
124
125 if test -n "$COMPILE_IN"
126 then
127 # Scripts compiled in.
128
129 # sed commands to quote an ld script as a C string.
130 sc="-f stringify.sed"
131
132 cat >>e${EMULATION_NAME}.c <<EOF
133 {                            
134   *isfile = 0;
135
136   if (link_info.relocateable == true && config.build_constructors == true)
137     return
138 EOF
139 sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
140 echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
141 sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
142 echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
143 sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
144 echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
145 sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
146 echo '  ; else return'                                     >> e${EMULATION_NAME}.c
147 sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
148 echo '; }'                                                 >> e${EMULATION_NAME}.c
149
150 else
151 # Scripts read from the filesystem.
152
153 cat >>e${EMULATION_NAME}.c <<EOF
154 {                            
155   *isfile = 1;
156
157   if (link_info.relocateable == true && config.build_constructors == true)
158     return "ldscripts/${EMULATION_NAME}.xu";
159   else if (link_info.relocateable == true)
160     return "ldscripts/${EMULATION_NAME}.xr";
161   else if (!config.text_read_only)
162     return "ldscripts/${EMULATION_NAME}.xbn";
163   else if (!config.magic_demand_paged)
164     return "ldscripts/${EMULATION_NAME}.xn";
165   else
166     return "ldscripts/${EMULATION_NAME}.x";
167 }
168 EOF
169
170 fi
171
172 cat >>e${EMULATION_NAME}.c <<EOF
173
174 struct ld_emulation_xfer_struct ld_gld960coff_emulation = 
175 {
176   gld960_before_parse,
177   syslib_default,
178   hll_default,
179   after_parse_default,
180   after_open_default,
181   after_allocation_default,
182   gld960_set_output_arch,
183   gld960_choose_target,
184   before_allocation_default,
185   gld960_get_script,
186   "960coff",
187   "",
188   NULL, /* finish */
189   NULL, /* create output section statements */
190   NULL, /* open dynamic archive */
191   NULL, /* place orphan */
192   NULL, /* set symbols */
193   NULL, /* parse args */
194   NULL, /* unrecognized file */
195   NULL, /* list options */
196   NULL  /* recognized file */
197 };
198 EOF