1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
cat >e${EMULATION_NAME}.c <<EOF
/* Copyright (C) 1991, 93, 94, 95, 96, 1999 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GLD is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GLD is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GLD; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/*
* emulate the Intels port of gld
*/
#include <ctype.h>
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
#include "bfdlink.h"
#include "ld.h"
#include "ldemul.h"
#include "ldfile.h"
#include "ldmisc.h"
#include "ldmain.h"
#ifdef GNU960
static void
gld960_before_parse()
{
static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
char **p;
char *env ;
for ( p = env_variables; *p; p++ ){
env = (char *) getenv(*p);
if (env) {
ldfile_add_library_path (concat (env,
"/lib/libcoff",
(const char *) NULL),
false);
}
}
ldfile_output_architecture = bfd_arch_i960;
}
#else /* not GNU960 */
static void gld960_before_parse()
{
char *env ;
env = getenv("G960LIB");
if (env) {
ldfile_add_library_path(env, false);
}
env = getenv("G960BASE");
if (env)
ldfile_add_library_path (concat (env, "/lib", (const char *) NULL),
false);
ldfile_output_architecture = bfd_arch_i960;
}
#endif /* GNU960 */
static void
gld960_set_output_arch()
{
if (ldfile_output_machine_name != NULL
&& *ldfile_output_machine_name != '\0')
{
char *s, *s1;
s = concat ("i960:", ldfile_output_machine_name, (char *) NULL);
for (s1 = s; *s1 != '\0'; s1++)
if (isupper ((unsigned char) *s1))
*s1 = tolower ((unsigned char) *s1);
ldfile_set_output_arch (s);
free (s);
}
set_output_arch_default ();
}
static char *
gld960_choose_target()
{
#ifdef GNU960
output_filename = "b.out";
return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
#else
char *from_outside = getenv(TARGET_ENVIRON);
output_filename = "b.out";
if (from_outside != (char *)NULL)
return from_outside;
return "coff-Intel-little";
#endif
}
static char *
gld960_get_script(isfile)
int *isfile;
EOF
if test -n "$COMPILE_IN"
then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc="-f stringify.sed"
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocateable == true && config.build_constructors == true)
return
EOF
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
echo ' ; else return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 1;
if (link_info.relocateable == true && config.build_constructors == true)
return "ldscripts/${EMULATION_NAME}.xu";
else if (link_info.relocateable == true)
return "ldscripts/${EMULATION_NAME}.xr";
else if (!config.text_read_only)
return "ldscripts/${EMULATION_NAME}.xbn";
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
else
return "ldscripts/${EMULATION_NAME}.x";
}
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
struct ld_emulation_xfer_struct ld_gld960coff_emulation =
{
gld960_before_parse,
syslib_default,
hll_default,
after_parse_default,
after_open_default,
after_allocation_default,
gld960_set_output_arch,
gld960_choose_target,
before_allocation_default,
gld960_get_script,
"960coff",
"",
NULL, /* finish */
NULL, /* create output section statements */
NULL, /* open dynamic archive */
NULL, /* place orphan */
NULL, /* set symbols */
NULL, /* parse args */
NULL, /* unrecognized file */
NULL, /* list options */
NULL /* recognized file */
};
EOF
|
