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   2005 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, 51 Franklin Street - Fifth Floor, Boston, MA
2202110-1301, 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
44static void gld960_before_parse (void)
45{
46  char *env ;
47  env =  getenv("G960LIB");
48  if (env) {
49    ldfile_add_library_path(env, FALSE);
50  }
51  env = getenv("G960BASE");
52  if (env)
53    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
54			     FALSE);
55  ldfile_output_architecture = bfd_arch_i960;
56}
57
58static void
59gld960_set_output_arch (void)
60{
61  if (ldfile_output_machine_name != NULL
62      && *ldfile_output_machine_name != '\0')
63    {
64      char *s, *s1;
65
66      s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
67      for (s1 = s; *s1 != '\0'; s1++)
68	*s1 = TOLOWER (*s1);
69      ldfile_set_output_arch (s, bfd_arch_unknown);
70      free (s);
71    }
72
73  set_output_arch_default ();
74}
75
76static char *
77gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
78{
79  char *from_outside = getenv(TARGET_ENVIRON);
80  output_filename = "b.out";
81
82  if (from_outside != (char *)NULL)
83    return from_outside;
84
85  return "coff-Intel-little";
86}
87
88static char *
89gld960_get_script (int *isfile)
90EOF
91
92if test -n "$COMPILE_IN"
93then
94# Scripts compiled in.
95
96# sed commands to quote an ld script as a C string.
97sc="-f stringify.sed"
98
99cat >>e${EMULATION_NAME}.c <<EOF
100{
101  *isfile = 0;
102
103  if (link_info.relocatable && config.build_constructors)
104    return
105EOF
106sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
107echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
108sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
109echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
110sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
111echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
112sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
113echo '  ; else return'                                 >> e${EMULATION_NAME}.c
114sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
115echo '; }'                                             >> e${EMULATION_NAME}.c
116
117else
118# Scripts read from the filesystem.
119
120cat >>e${EMULATION_NAME}.c <<EOF
121{
122  *isfile = 1;
123
124  if (link_info.relocatable && config.build_constructors)
125    return "ldscripts/${EMULATION_NAME}.xu";
126  else if (link_info.relocatable)
127    return "ldscripts/${EMULATION_NAME}.xr";
128  else if (!config.text_read_only)
129    return "ldscripts/${EMULATION_NAME}.xbn";
130  else if (!config.magic_demand_paged)
131    return "ldscripts/${EMULATION_NAME}.xn";
132  else
133    return "ldscripts/${EMULATION_NAME}.x";
134}
135EOF
136
137fi
138
139cat >>e${EMULATION_NAME}.c <<EOF
140
141struct ld_emulation_xfer_struct ld_gld960coff_emulation =
142{
143  gld960_before_parse,
144  syslib_default,
145  hll_default,
146  after_parse_default,
147  after_open_default,
148  after_allocation_default,
149  gld960_set_output_arch,
150  gld960_choose_target,
151  before_allocation_default,
152  gld960_get_script,
153  "960coff",
154  "",
155  finish_default,
156  NULL,	/* create output section statements */
157  NULL,	/* open dynamic archive */
158  NULL,	/* place orphan */
159  NULL,	/* set symbols */
160  NULL,	/* parse args */
161  NULL,	/* add_options */
162  NULL,	/* handle_option */
163  NULL,	/* unrecognized file */
164  NULL,	/* list options */
165  NULL,	/* recognized file */
166  NULL,	/* find_potential_libraries */
167  NULL	/* new_vers_pattern */
168};
169EOF
170