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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | cat >e${EMULATION_NAME}.c <<EOF | |
4 | /* Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GLD, the Gnu Linker. | |
7 | ||
8 | GLD 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 1, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GLD 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 GLD; see the file COPYING. If not, write to the Free | |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
22 | ||
23 | /* | |
24 | * emulate the Intels port of gld | |
25 | */ | |
26 | ||
27 | ||
28 | #include <ctype.h> | |
29 | #include "bfd.h" | |
30 | #include "sysdep.h" | |
31 | #include "libiberty.h" | |
32 | #include "bfdlink.h" | |
33 | ||
34 | #include "ld.h" | |
35 | #include "ldemul.h" | |
36 | #include "ldfile.h" | |
37 | #include "ldmisc.h" | |
38 | #include "ldmain.h" | |
39 | ||
40 | #ifdef GNU960 | |
41 | ||
42 | static void | |
43 | gld960_before_parse() | |
44 | { | |
45 | static char *env_variables[] = { "G960LIB", "G960BASE", 0 }; | |
46 | char **p; | |
47 | char *env ; | |
48 | ||
49 | for ( p = env_variables; *p; p++ ){ | |
50 | env = (char *) getenv(*p); | |
51 | if (env) { | |
52 | ldfile_add_library_path (concat (env, | |
53 | "/lib/libcoff", | |
54 | (const char *) NULL), | |
55 | false); | |
56 | } | |
57 | } | |
58 | ldfile_output_architecture = bfd_arch_i960; | |
59 | } | |
60 | ||
61 | #else /* not GNU960 */ | |
62 | ||
63 | static void gld960_before_parse() | |
64 | { | |
65 | char *env ; | |
66 | env = getenv("G960LIB"); | |
67 | if (env) { | |
68 | ldfile_add_library_path(env, false); | |
69 | } | |
70 | env = getenv("G960BASE"); | |
71 | if (env) | |
72 | ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), | |
73 | false); | |
74 | ldfile_output_architecture = bfd_arch_i960; | |
75 | } | |
76 | ||
77 | #endif /* GNU960 */ | |
78 | ||
79 | ||
80 | static void | |
81 | gld960_set_output_arch() | |
82 | { | |
83 | if (ldfile_output_machine_name != NULL | |
84 | && *ldfile_output_machine_name != '\0') | |
85 | { | |
86 | char *s, *s1; | |
87 | ||
88 | s = concat ("i960:", ldfile_output_machine_name, (char *) NULL); | |
89 | for (s1 = s; *s1 != '\0'; s1++) | |
90 | if (isupper ((unsigned char) *s1)) | |
91 | *s1 = tolower ((unsigned char) *s1); | |
92 | ldfile_set_output_arch (s); | |
93 | free (s); | |
94 | } | |
95 | ||
96 | set_output_arch_default (); | |
97 | } | |
98 | ||
99 | static char * | |
100 | gld960_choose_target() | |
101 | { | |
102 | #ifdef GNU960 | |
103 | ||
104 | output_filename = "b.out"; | |
105 | return bfd_make_targ_name(BFD_BOUT_FORMAT, 0); | |
106 | ||
107 | #else | |
108 | ||
109 | char *from_outside = getenv(TARGET_ENVIRON); | |
110 | output_filename = "b.out"; | |
111 | ||
112 | if (from_outside != (char *)NULL) | |
113 | return from_outside; | |
114 | ||
115 | return "coff-Intel-little"; | |
116 | ||
117 | #endif | |
118 | } | |
119 | ||
120 | static char * | |
121 | gld960_get_script(isfile) | |
122 | int *isfile; | |
123 | EOF | |
124 | ||
125 | if test -n "$COMPILE_IN" | |
126 | then | |
127 | # Scripts compiled in. | |
128 | ||
129 | # sed commands to quote an ld script as a C string. | |
130 | sc='s/["\\]/\\&/g | |
131 | s/$/\\n\\/ | |
132 | 1s/^/"/ | |
133 | $s/$/n"/ | |
134 | ' | |
135 | ||
136 | cat >>e${EMULATION_NAME}.c <<EOF | |
137 | { | |
138 | *isfile = 0; | |
139 | ||
140 | if (link_info.relocateable == true && config.build_constructors == true) | |
141 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; | |
142 | else if (link_info.relocateable == true) | |
143 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`; | |
144 | else if (!config.text_read_only) | |
145 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`; | |
146 | else if (!config.magic_demand_paged) | |
147 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`; | |
148 | else | |
149 | return `sed "$sc" ldscripts/${EMULATION_NAME}.x`; | |
150 | } | |
151 | EOF | |
152 | ||
153 | else | |
154 | # Scripts read from the filesystem. | |
155 | ||
156 | cat >>e${EMULATION_NAME}.c <<EOF | |
157 | { | |
158 | *isfile = 1; | |
159 | ||
160 | if (link_info.relocateable == true && config.build_constructors == true) | |
161 | return "ldscripts/${EMULATION_NAME}.xu"; | |
162 | else if (link_info.relocateable == true) | |
163 | return "ldscripts/${EMULATION_NAME}.xr"; | |
164 | else if (!config.text_read_only) | |
165 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
166 | else if (!config.magic_demand_paged) | |
167 | return "ldscripts/${EMULATION_NAME}.xn"; | |
168 | else | |
169 | return "ldscripts/${EMULATION_NAME}.x"; | |
170 | } | |
171 | EOF | |
172 | ||
173 | fi | |
174 | ||
175 | cat >>e${EMULATION_NAME}.c <<EOF | |
176 | ||
177 | struct ld_emulation_xfer_struct ld_gld960coff_emulation = | |
178 | { | |
179 | gld960_before_parse, | |
180 | syslib_default, | |
181 | hll_default, | |
182 | after_parse_default, | |
183 | after_open_default, | |
184 | after_allocation_default, | |
185 | gld960_set_output_arch, | |
186 | gld960_choose_target, | |
187 | before_allocation_default, | |
188 | gld960_get_script, | |
189 | "960coff", | |
190 | "" | |
191 | }; | |
192 | EOF |