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[binutils.git] / ld / emultempl / gld960.em
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1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 cat >e${EMULATION_NAME}.c <<EOF
4 /* Copyright 1991, 1992, 1994, 1999, 2000, 2001
5    Free Software Foundation, Inc.
7 This file is part of GLD, the Gnu Linker.
9 GLD is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 1, or (at your option)
12 any later version.
14 GLD is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GLD; see the file COPYING.  If not, write to
21 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
23 /* 
24  * emulate the Intels port of  gld
25  */
28 #include "bfd.h"
29 #include "sysdep.h"
30 #include "libiberty.h"
31 #include "bfdlink.h"
33 #include "ld.h"
34 #include "ldmisc.h"
35 #include "ldmain.h"
37 #include "ldexp.h"
38 #include "ldlang.h"
39 #include "ldfile.h"
40 #include "ldemul.h"
42 static void gld960_before_parse PARAMS ((void));
43 static char *gld960_choose_target PARAMS ((int, char **));
44 static void gld960_set_output_arch PARAMS ((void));
45 static char *gld960_get_script PARAMS ((int *));
47 #ifdef GNU960
49 static void
50 gld960_before_parse()
52   static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
53   char **p;
54   char *env ;
56   for ( p = env_variables; *p; p++ ){
57     env =  (char *) getenv(*p);
58     if (env) {
59       ldfile_add_library_path (concat (env,
60                                        "/lib/libbout",
61                                        (const char *) NULL),
62                                false);
63     }
64   }
65   ldfile_output_architecture = bfd_arch_i960;
68 #else   /* not GNU960 */
70 static void gld960_before_parse()
72   char *env ;
73   env =  getenv("G960LIB");
74   if (env) {
75     ldfile_add_library_path(env, false);
76   }
77   env = getenv("G960BASE");
78   if (env)
79     ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), false);
80   ldfile_output_architecture = bfd_arch_i960;
83 #endif  /* GNU960 */
86 static void
87 gld960_set_output_arch()
89   bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
92 static char *
93 gld960_choose_target (argc, argv)
94      int argc ATTRIBUTE_UNUSED;
95      char **argv ATTRIBUTE_UNUSED;
97 #ifdef GNU960
99   output_filename = "b.out";
100   return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
102 #else
104   char *from_outside = getenv(TARGET_ENVIRON);
105   output_filename = "b.out";
107   if (from_outside != (char *)NULL)
108     return from_outside;
110   return "b.out.little";
112 #endif
115 static char *
116 gld960_get_script(isfile)
117      int *isfile;
120 if test -n "$COMPILE_IN"
121 then
122 # Scripts compiled in.
124 # sed commands to quote an ld script as a C string.
125 sc="-f stringify.sed"
127 cat >>e${EMULATION_NAME}.c <<EOF
128 {                            
129   *isfile = 0;
131   if (link_info.relocateable == true && config.build_constructors == true)
132     return
134 sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
135 echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
136 sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
137 echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
138 sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
139 echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
140 sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
141 echo '  ; else return'                                     >> e${EMULATION_NAME}.c
142 sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
143 echo '; }'                                                 >> e${EMULATION_NAME}.c
145 else
146 # Scripts read from the filesystem.
148 cat >>e${EMULATION_NAME}.c <<EOF
149 {                            
150   *isfile = 1;
152   if (link_info.relocateable == true && config.build_constructors == true)
153     return "ldscripts/${EMULATION_NAME}.xu";
154   else if (link_info.relocateable == true)
155     return "ldscripts/${EMULATION_NAME}.xr";
156   else if (!config.text_read_only)
157     return "ldscripts/${EMULATION_NAME}.xbn";
158   else if (!config.magic_demand_paged)
159     return "ldscripts/${EMULATION_NAME}.xn";
160   else
161     return "ldscripts/${EMULATION_NAME}.x";
167 cat >>e${EMULATION_NAME}.c <<EOF
169 struct ld_emulation_xfer_struct ld_gld960_emulation = 
171   gld960_before_parse,
172   syslib_default,
173   hll_default,
174   after_parse_default,
175   after_open_default,
176   after_allocation_default,
177   gld960_set_output_arch,
178   gld960_choose_target,
179   before_allocation_default,
180   gld960_get_script,
181   "960",
182   "",
183   NULL, /* finish */
184   NULL, /* create output section statements */
185   NULL, /* open dynamic archive */
186   NULL, /* place orphan */
187   NULL, /* set symbols */
188   NULL, /* parse args */
189   NULL, /* unrecognized file */
190   NULL, /* list options */
191   NULL, /* recognized file */
192   NULL, /* find_potential_libraries */
193   NULL  /* new_vers_pattern */