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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 Free Software Foundation, Inc.
6 This file is part of GLD, the Gnu Linker.
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.
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.
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
20 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
22 /* 
23  * emulate the Intels port of  gld
24  */
27 #include "bfd.h"
28 #include "sysdep.h"
29 #include "libiberty.h"
30 #include "bfdlink.h"
32 #include "ld.h"
33 #include "ldmisc.h"
34 #include "ldmain.h"
36 #include "ldexp.h"
37 #include "ldlang.h"
38 #include "ldfile.h"
39 #include "ldemul.h"
41 #ifdef GNU960
43 static void
44 gld960_before_parse()
46   static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
47   char **p;
48   char *env ;
50   for ( p = env_variables; *p; p++ ){
51     env =  (char *) getenv(*p);
52     if (env) {
53       ldfile_add_library_path (concat (env,
54                                        "/lib/libbout",
55                                        (const char *) NULL),
56                                false);
57     }
58   }
59   ldfile_output_architecture = bfd_arch_i960;
62 #else   /* not GNU960 */
64 static void gld960_before_parse()
66   char *env ;
67   env =  getenv("G960LIB");
68   if (env) {
69     ldfile_add_library_path(env, false);
70   }
71   env = getenv("G960BASE");
72   if (env)
73     ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), false);
74   ldfile_output_architecture = bfd_arch_i960;
77 #endif  /* GNU960 */
80 static void
81 gld960_set_output_arch()
83   bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
86 static char *
87 gld960_choose_target()
89 #ifdef GNU960
91   output_filename = "b.out";
92   return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
94 #else
96   char *from_outside = getenv(TARGET_ENVIRON);
97   output_filename = "b.out";
99   if (from_outside != (char *)NULL)
100     return from_outside;
102   return "b.out.little";
104 #endif
107 static char *
108 gld960_get_script(isfile)
109      int *isfile;
112 if test -n "$COMPILE_IN"
113 then
114 # Scripts compiled in.
116 # sed commands to quote an ld script as a C string.
117 sc="-f stringify.sed"
119 cat >>e${EMULATION_NAME}.c <<EOF
120 {                            
121   *isfile = 0;
123   if (link_info.relocateable == true && config.build_constructors == true)
124     return
126 sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
127 echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
128 sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
129 echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
130 sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
131 echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
132 sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
133 echo '  ; else return'                                     >> e${EMULATION_NAME}.c
134 sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
135 echo '; }'                                                 >> e${EMULATION_NAME}.c
137 else
138 # Scripts read from the filesystem.
140 cat >>e${EMULATION_NAME}.c <<EOF
141 {                            
142   *isfile = 1;
144   if (link_info.relocateable == true && config.build_constructors == true)
145     return "ldscripts/${EMULATION_NAME}.xu";
146   else if (link_info.relocateable == true)
147     return "ldscripts/${EMULATION_NAME}.xr";
148   else if (!config.text_read_only)
149     return "ldscripts/${EMULATION_NAME}.xbn";
150   else if (!config.magic_demand_paged)
151     return "ldscripts/${EMULATION_NAME}.xn";
152   else
153     return "ldscripts/${EMULATION_NAME}.x";
159 cat >>e${EMULATION_NAME}.c <<EOF
161 struct ld_emulation_xfer_struct ld_gld960_emulation = 
163   gld960_before_parse,
164   syslib_default,
165   hll_default,
166   after_parse_default,
167   after_open_default,
168   after_allocation_default,
169   gld960_set_output_arch,
170   gld960_choose_target,
171   before_allocation_default,
172   gld960_get_script,
173   "960",
174   "",
175   NULL, /* finish */
176   NULL, /* create output section statements */
177   NULL, /* open dynamic archive */
178   NULL, /* place orphan */
179   NULL, /* set symbols */
180   NULL, /* parse args */
181   NULL, /* unrecognized file */
182   NULL, /* list options */
183   NULL, /* recognized file */
184   NULL  /* find_potential_libraries */