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 Free Software Foundation, Inc.
5
6This file is part of GLD, the Gnu Linker.
7
8GLD is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 1, or (at your option)
11any later version.
12
13GLD is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GLD; see the file COPYING.  If not, write to
20the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
21
22/*
23 * emulate the Intels port of  gld
24 */
25
26
27#include "bfd.h"
28#include "sysdep.h"
29#include "libiberty.h"
30#include "bfdlink.h"
31
32#include "ld.h"
33#include "ldmisc.h"
34#include "ldmain.h"
35
36#include "ldexp.h"
37#include "ldlang.h"
38#include "ldfile.h"
39#include "ldemul.h"
40
41#ifdef GNU960
42
43static void
44gld960_before_parse()
45{
46  static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
47  char **p;
48  char *env ;
49
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;
60}
61
62#else	/* not GNU960 */
63
64static void gld960_before_parse()
65{
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;
75}
76
77#endif	/* GNU960 */
78
79
80static void
81gld960_set_output_arch()
82{
83  bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
84}
85
86static char *
87gld960_choose_target()
88{
89#ifdef GNU960
90
91  output_filename = "b.out";
92  return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
93
94#else
95
96  char *from_outside = getenv(TARGET_ENVIRON);
97  output_filename = "b.out";
98
99  if (from_outside != (char *)NULL)
100    return from_outside;
101
102  return "b.out.little";
103
104#endif
105}
106
107static char *
108gld960_get_script(isfile)
109     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.relocateable == true && config.build_constructors == true)
124    return
125EOF
126sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
127echo '  ; else if (link_info.relocateable == true) return' >> e${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${EMULATION_NAME}.c <<EOF
141{
142  *isfile = 1;
143
144  if (link_info.relocateable == true && config.build_constructors == true)
145    return "ldscripts/${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";
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,	/* unrecognized file */
182  NULL,	/* list options */
183  NULL,	/* recognized file */
184  NULL 	/* find_potential_libraries */
185};
186EOF
187