1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3fragment <<EOF
4/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
5
6   This file is part of the GNU Binutils.
7
8   This program 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 3 of the License, or
11   (at your option) any later version.
12
13   This program 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.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21   MA 02110-1301, USA.  */
22
23
24/* Emulate the Intel's port of gld.  */
25
26#include "sysdep.h"
27#include "bfd.h"
28#include "libiberty.h"
29#include "safe-ctype.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
41static void gld960_before_parse (void)
42{
43  char *env ;
44  env =  getenv("G960LIB");
45  if (env) {
46    ldfile_add_library_path(env, FALSE);
47  }
48  env = getenv("G960BASE");
49  if (env)
50    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
51			     FALSE);
52  ldfile_output_architecture = bfd_arch_i960;
53}
54
55static void
56gld960_set_output_arch (void)
57{
58  if (ldfile_output_machine_name != NULL
59      && *ldfile_output_machine_name != '\0')
60    {
61      char *s, *s1;
62
63      s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
64      for (s1 = s; *s1 != '\0'; s1++)
65	*s1 = TOLOWER (*s1);
66      ldfile_set_output_arch (s, bfd_arch_unknown);
67      free (s);
68    }
69
70  set_output_arch_default ();
71}
72
73static char *
74gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
75{
76  char *from_outside = getenv(TARGET_ENVIRON);
77  output_filename = "b.out";
78
79  if (from_outside != (char *)NULL)
80    return from_outside;
81
82  return "coff-Intel-little";
83}
84
85static char *
86gld960_get_script (int *isfile)
87EOF
88
89if test x"$COMPILE_IN" = xyes
90then
91# Scripts compiled in.
92
93# sed commands to quote an ld script as a C string.
94sc="-f stringify.sed"
95
96fragment <<EOF
97{
98  *isfile = 0;
99
100  if (bfd_link_relocatable (&link_info) && config.build_constructors)
101    return
102EOF
103sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
104echo '  ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
105sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
106echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
107sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
108echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
109sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
110echo '  ; else return'                                 >> e${EMULATION_NAME}.c
111sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
112echo '; }'                                             >> e${EMULATION_NAME}.c
113
114else
115# Scripts read from the filesystem.
116
117fragment <<EOF
118{
119  *isfile = 1;
120
121  if (bfd_link_relocatable (&link_info) && config.build_constructors)
122    return "ldscripts/${EMULATION_NAME}.xu";
123  else if (bfd_link_relocatable (&link_info))
124    return "ldscripts/${EMULATION_NAME}.xr";
125  else if (!config.text_read_only)
126    return "ldscripts/${EMULATION_NAME}.xbn";
127  else if (!config.magic_demand_paged)
128    return "ldscripts/${EMULATION_NAME}.xn";
129  else
130    return "ldscripts/${EMULATION_NAME}.x";
131}
132EOF
133
134fi
135
136fragment <<EOF
137
138struct ld_emulation_xfer_struct ld_gld960coff_emulation =
139{
140  gld960_before_parse,
141  syslib_default,
142  hll_default,
143  after_parse_default,
144  after_open_default,
145  after_allocation_default,
146  gld960_set_output_arch,
147  gld960_choose_target,
148  before_allocation_default,
149  gld960_get_script,
150  "960coff",
151  "",
152  finish_default,
153  NULL,	/* create output section statements */
154  NULL,	/* open dynamic archive */
155  NULL,	/* place orphan */
156  NULL,	/* set symbols */
157  NULL,	/* parse args */
158  NULL,	/* add_options */
159  NULL,	/* handle_option */
160  NULL,	/* unrecognized file */
161  NULL,	/* list options */
162  NULL,	/* recognized file */
163  NULL,	/* find_potential_libraries */
164  NULL,	/* new_vers_pattern */
165  NULL	/* extra_map_file_text */
166};
167EOF
168