1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3cat >e${EMULATION_NAME}.c <<EOF
4/* Copyright 1991, 1992, 1994, 1999, 2000, 2001, 2002, 2003, 2005
5   Free Software Foundation, Inc.
6
7This file is part of GLD, the Gnu Linker.
8
9GLD is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 1, or (at your option)
12any later version.
13
14GLD is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with GLD; see the file COPYING.  If not, write to
21the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
22
23/*
24 * emulate the Intels port of  gld
25 */
26
27
28#include "bfd.h"
29#include "sysdep.h"
30#include "libiberty.h"
31#include "bfdlink.h"
32
33#include "ld.h"
34#include "ldmisc.h"
35#include "ldmain.h"
36
37#include "ldexp.h"
38#include "ldlang.h"
39#include "ldfile.h"
40#include "ldemul.h"
41
42static void gld960_before_parse (void)
43{
44  char *env ;
45  env =  getenv("G960LIB");
46  if (env) {
47    ldfile_add_library_path(env, FALSE);
48  }
49  env = getenv("G960BASE");
50  if (env)
51    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), FALSE);
52  ldfile_output_architecture = bfd_arch_i960;
53}
54
55static void
56gld960_set_output_arch (void)
57{
58  bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
59}
60
61static char *
62gld960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
63{
64  char *from_outside = getenv(TARGET_ENVIRON);
65  output_filename = "b.out";
66
67  if (from_outside != (char *)NULL)
68    return from_outside;
69
70  return "b.out.little";
71}
72
73static char *
74gld960_get_script (int *isfile)
75EOF
76
77if test -n "$COMPILE_IN"
78then
79# Scripts compiled in.
80
81# sed commands to quote an ld script as a C string.
82sc="-f stringify.sed"
83
84cat >>e${EMULATION_NAME}.c <<EOF
85{
86  *isfile = 0;
87
88  if (link_info.relocatable && config.build_constructors)
89    return
90EOF
91sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
92echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
93sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
94echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
95sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
96echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
97sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
98echo '  ; else return'                                 >> e${EMULATION_NAME}.c
99sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
100echo '; }'                                             >> e${EMULATION_NAME}.c
101
102else
103# Scripts read from the filesystem.
104
105cat >>e${EMULATION_NAME}.c <<EOF
106{
107  *isfile = 1;
108
109  if (link_info.relocatable && config.build_constructors)
110    return "ldscripts/${EMULATION_NAME}.xu";
111  else if (link_info.relocatable)
112    return "ldscripts/${EMULATION_NAME}.xr";
113  else if (!config.text_read_only)
114    return "ldscripts/${EMULATION_NAME}.xbn";
115  else if (!config.magic_demand_paged)
116    return "ldscripts/${EMULATION_NAME}.xn";
117  else
118    return "ldscripts/${EMULATION_NAME}.x";
119}
120EOF
121
122fi
123
124cat >>e${EMULATION_NAME}.c <<EOF
125
126struct ld_emulation_xfer_struct ld_gld960_emulation =
127{
128  gld960_before_parse,
129  syslib_default,
130  hll_default,
131  after_parse_default,
132  after_open_default,
133  after_allocation_default,
134  gld960_set_output_arch,
135  gld960_choose_target,
136  before_allocation_default,
137  gld960_get_script,
138  "960",
139  "",
140  finish_default,
141  NULL,	/* create output section statements */
142  NULL,	/* open dynamic archive */
143  NULL,	/* place orphan */
144  NULL,	/* set symbols */
145  NULL,	/* parse args */
146  NULL,	/* add_options */
147  NULL,	/* handle_option */
148  NULL,	/* unrecognized file */
149  NULL,	/* list options */
150  NULL,	/* recognized file */
151  NULL,	/* find_potential_libraries */
152  NULL	/* new_vers_pattern */
153};
154EOF
155