1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3cat >e${EMULATION_NAME}.c <<EOF
4/* Copyright 1991, 1992, 1994, 1999, 2000, 2001, 2002, 2003
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
21the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
22
23/*
24 * emulate the Intels port of  gld
25 */
26
27
28#include "bfd.h"
29#include "sysdep.h"
30#include "libiberty.h"
31#include "bfdlink.h"
32
33#include "ld.h"
34#include "ldmisc.h"
35#include "ldmain.h"
36
37#include "ldexp.h"
38#include "ldlang.h"
39#include "ldfile.h"
40#include "ldemul.h"
41
42#ifdef GNU960
43
44static void
45gld960_before_parse (void)
46{
47  static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
48  char **p;
49  char *env ;
50
51  for ( p = env_variables; *p; p++ ){
52    env =  (char *) getenv(*p);
53    if (env) {
54      ldfile_add_library_path (concat (env,
55				       "/lib/libbout",
56				       (const char *) NULL),
57			       FALSE);
58    }
59  }
60  ldfile_output_architecture = bfd_arch_i960;
61}
62
63#else	/* not GNU960 */
64
65static void gld960_before_parse (void)
66{
67  char *env ;
68  env =  getenv("G960LIB");
69  if (env) {
70    ldfile_add_library_path(env, FALSE);
71  }
72  env = getenv("G960BASE");
73  if (env)
74    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), FALSE);
75  ldfile_output_architecture = bfd_arch_i960;
76}
77
78#endif	/* GNU960 */
79
80
81static void
82gld960_set_output_arch (void)
83{
84  bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
85}
86
87static char *
88gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
89{
90#ifdef GNU960
91
92  output_filename = "b.out";
93  return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
94
95#else
96
97  char *from_outside = getenv(TARGET_ENVIRON);
98  output_filename = "b.out";
99
100  if (from_outside != (char *)NULL)
101    return from_outside;
102
103  return "b.out.little";
104
105#endif
106}
107
108static char *
109gld960_get_script (int *isfile)
110EOF
111
112if test -n "$COMPILE_IN"
113then
114# Scripts compiled in.
115
116# sed commands to quote an ld script as a C string.
117sc="-f stringify.sed"
118
119cat >>e${EMULATION_NAME}.c <<EOF
120{
121  *isfile = 0;
122
123  if (link_info.relocatable && config.build_constructors)
124    return
125EOF
126sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
127echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
128sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
129echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
130sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
131echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
132sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
133echo '  ; else return'                                 >> e${EMULATION_NAME}.c
134sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
135echo '; }'                                             >> e${EMULATION_NAME}.c
136
137else
138# Scripts read from the filesystem.
139
140cat >>e${EMULATION_NAME}.c <<EOF
141{
142  *isfile = 1;
143
144  if (link_info.relocatable && config.build_constructors)
145    return "ldscripts/${EMULATION_NAME}.xu";
146  else if (link_info.relocatable)
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";
154}
155EOF
156
157fi
158
159cat >>e${EMULATION_NAME}.c <<EOF
160
161struct ld_emulation_xfer_struct ld_gld960_emulation =
162{
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,	/* add_options */
182  NULL,	/* handle_option */
183  NULL,	/* unrecognized file */
184  NULL,	/* list options */
185  NULL,	/* recognized file */
186  NULL,	/* find_potential_libraries */
187  NULL	/* new_vers_pattern */
188};
189EOF
190