1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3cat >e${EMULATION_NAME}.c <<EOF
4/* Copyright 1991, 1993, 1994, 1996, 1999, 2000, 2001, 2002, 2003, 2004
5   Free Software Foundation, Inc.
6
7This file is part of GLD, the Gnu Linker.
8
9GLD is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 1, or (at your option)
12any later version.
13
14GLD is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with GLD; see the file COPYING.  If not, write to the Free
21Software Foundation, 59 Temple Place - Suite 330, Boston, MA
2202111-1307, USA.  */
23
24/*
25 * emulate the Intels port of  gld
26 */
27
28
29#include "bfd.h"
30#include "sysdep.h"
31#include "libiberty.h"
32#include "safe-ctype.h"
33#include "bfdlink.h"
34
35#include "ld.h"
36#include "ldmisc.h"
37#include "ldmain.h"
38
39#include "ldexp.h"
40#include "ldlang.h"
41#include "ldfile.h"
42#include "ldemul.h"
43
44#ifdef GNU960
45
46static void
47gld960_before_parse (void)
48{
49  static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
50  char **p;
51  char *env ;
52
53  for ( p = env_variables; *p; p++ ){
54    env =  (char *) getenv(*p);
55    if (env) {
56      ldfile_add_library_path (concat (env,
57				       "/lib/libcoff",
58				       (const char *) NULL),
59			       FALSE);
60    }
61  }
62  ldfile_output_architecture = bfd_arch_i960;
63}
64
65#else	/* not GNU960 */
66
67static void gld960_before_parse (void)
68{
69  char *env ;
70  env =  getenv("G960LIB");
71  if (env) {
72    ldfile_add_library_path(env, FALSE);
73  }
74  env = getenv("G960BASE");
75  if (env)
76    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
77			     FALSE);
78  ldfile_output_architecture = bfd_arch_i960;
79}
80
81#endif	/* GNU960 */
82
83
84static void
85gld960_set_output_arch (void)
86{
87  if (ldfile_output_machine_name != NULL
88      && *ldfile_output_machine_name != '\0')
89    {
90      char *s, *s1;
91
92      s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
93      for (s1 = s; *s1 != '\0'; s1++)
94	*s1 = TOLOWER (*s1);
95      ldfile_set_output_arch (s, bfd_arch_unknown);
96      free (s);
97    }
98
99  set_output_arch_default ();
100}
101
102static char *
103gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
104{
105#ifdef GNU960
106
107  output_filename = "b.out";
108  return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
109
110#else
111
112  char *from_outside = getenv(TARGET_ENVIRON);
113  output_filename = "b.out";
114
115  if (from_outside != (char *)NULL)
116    return from_outside;
117
118  return "coff-Intel-little";
119
120#endif
121}
122
123static char *
124gld960_get_script (int *isfile)
125EOF
126
127if test -n "$COMPILE_IN"
128then
129# Scripts compiled in.
130
131# sed commands to quote an ld script as a C string.
132sc="-f stringify.sed"
133
134cat >>e${EMULATION_NAME}.c <<EOF
135{
136  *isfile = 0;
137
138  if (link_info.relocatable && config.build_constructors)
139    return
140EOF
141sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
142echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
143sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
144echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
145sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
146echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
147sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
148echo '  ; else return'                                 >> e${EMULATION_NAME}.c
149sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
150echo '; }'                                             >> e${EMULATION_NAME}.c
151
152else
153# Scripts read from the filesystem.
154
155cat >>e${EMULATION_NAME}.c <<EOF
156{
157  *isfile = 1;
158
159  if (link_info.relocatable && config.build_constructors)
160    return "ldscripts/${EMULATION_NAME}.xu";
161  else if (link_info.relocatable)
162    return "ldscripts/${EMULATION_NAME}.xr";
163  else if (!config.text_read_only)
164    return "ldscripts/${EMULATION_NAME}.xbn";
165  else if (!config.magic_demand_paged)
166    return "ldscripts/${EMULATION_NAME}.xn";
167  else
168    return "ldscripts/${EMULATION_NAME}.x";
169}
170EOF
171
172fi
173
174cat >>e${EMULATION_NAME}.c <<EOF
175
176struct ld_emulation_xfer_struct ld_gld960coff_emulation =
177{
178  gld960_before_parse,
179  syslib_default,
180  hll_default,
181  after_parse_default,
182  after_open_default,
183  after_allocation_default,
184  gld960_set_output_arch,
185  gld960_choose_target,
186  before_allocation_default,
187  gld960_get_script,
188  "960coff",
189  "",
190  NULL,	/* finish */
191  NULL,	/* create output section statements */
192  NULL,	/* open dynamic archive */
193  NULL,	/* place orphan */
194  NULL,	/* set symbols */
195  NULL,	/* parse args */
196  NULL,	/* add_options */
197  NULL,	/* handle_option */
198  NULL,	/* unrecognized file */
199  NULL,	/* list options */
200  NULL,	/* recognized file */
201  NULL,	/* find_potential_libraries */
202  NULL	/* new_vers_pattern */
203};
204EOF
205