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d0d5edba ILT |
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 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 | |
20 | the 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 <ctype.h> | |
28 | #include "bfd.h" | |
29 | #include "sysdep.h" | |
30 | #include "libiberty.h" | |
31 | #include "bfdlink.h" | |
32 | ||
33 | #include "ld.h" | |
34 | #include "ldemul.h" | |
35 | #include "ldfile.h" | |
36 | #include "ldmisc.h" | |
37 | #include "ldmain.h" | |
38 | ||
39 | #ifdef GNU960 | |
40 | ||
41 | static void | |
42 | gld960_before_parse() | |
43 | { | |
44 | static char *env_variables[] = { "G960LIB", "G960BASE", 0 }; | |
45 | char **p; | |
46 | char *env ; | |
47 | ||
48 | for ( p = env_variables; *p; p++ ){ | |
49 | env = (char *) getenv(*p); | |
50 | if (env) { | |
51 | ldfile_add_library_path (concat (env, | |
52 | "/lib/libcoff", | |
53 | (const char *) NULL), | |
54 | false); | |
55 | } | |
56 | } | |
57 | ldfile_output_architecture = bfd_arch_i960; | |
58 | } | |
59 | ||
60 | #else /* not GNU960 */ | |
61 | ||
62 | static void gld960_before_parse() | |
63 | { | |
64 | char *env ; | |
65 | env = getenv("G960LIB"); | |
66 | if (env) { | |
67 | ldfile_add_library_path(env, false); | |
68 | } | |
69 | env = getenv("G960BASE"); | |
70 | if (env) | |
71 | ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), | |
72 | false); | |
73 | ldfile_output_architecture = bfd_arch_i960; | |
74 | } | |
75 | ||
76 | #endif /* GNU960 */ | |
77 | ||
78 | ||
79 | static void | |
80 | gld960_set_output_arch() | |
81 | { | |
82 | if (ldfile_output_machine_name != NULL | |
83 | && *ldfile_output_machine_name != '\0') | |
84 | { | |
85 | char *s, *s1; | |
86 | ||
87 | s = concat ("i960:", ldfile_output_machine_name, (char *) NULL); | |
88 | for (s1 = s; *s1 != '\0'; s1++) | |
89 | if (isupper ((unsigned char) *s1)) | |
90 | *s1 = tolower ((unsigned char) *s1); | |
91 | ldfile_set_output_arch (s); | |
92 | free (s); | |
93 | } | |
94 | ||
95 | set_output_arch_default (); | |
96 | } | |
97 | ||
98 | static char * | |
99 | gld960_choose_target() | |
100 | { | |
101 | #ifdef GNU960 | |
102 | ||
103 | output_filename = "b.out"; | |
104 | return bfd_make_targ_name(BFD_BOUT_FORMAT, 0); | |
105 | ||
106 | #else | |
107 | ||
108 | char *from_outside = getenv(TARGET_ENVIRON); | |
109 | output_filename = "b.out"; | |
110 | ||
111 | if (from_outside != (char *)NULL) | |
112 | return from_outside; | |
113 | ||
114 | return "coff-Intel-little"; | |
115 | ||
116 | #endif | |
117 | } | |
118 | ||
119 | static char * | |
120 | gld960_get_script(isfile) | |
121 | int *isfile; | |
122 | EOF | |
123 | ||
124 | if test -n "$COMPILE_IN" | |
125 | then | |
126 | # Scripts compiled in. | |
127 | ||
128 | # sed commands to quote an ld script as a C string. | |
129 | sc='s/["\\]/\\&/g | |
130 | s/$/\\n\\/ | |
131 | 1s/^/"/ | |
132 | $s/$/n"/ | |
133 | ' | |
134 | ||
135 | cat >>e${EMULATION_NAME}.c <<EOF | |
136 | { | |
137 | *isfile = 0; | |
138 | ||
139 | if (link_info.relocateable == true && config.build_constructors == true) | |
140 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; | |
141 | else if (link_info.relocateable == true) | |
142 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`; | |
143 | else if (!config.text_read_only) | |
144 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`; | |
145 | else if (!config.magic_demand_paged) | |
146 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`; | |
147 | else | |
148 | return `sed "$sc" ldscripts/${EMULATION_NAME}.x`; | |
149 | } | |
150 | EOF | |
151 | ||
152 | else | |
153 | # Scripts read from the filesystem. | |
154 | ||
155 | cat >>e${EMULATION_NAME}.c <<EOF | |
156 | { | |
157 | *isfile = 1; | |
158 | ||
159 | if (link_info.relocateable == true && config.build_constructors == true) | |
160 | return "ldscripts/${EMULATION_NAME}.xu"; | |
161 | else if (link_info.relocateable == true) | |
162 | return "ldscripts/${EMULATION_NAME}.xr"; | |
163 | else if (!config.text_read_only) | |
164 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
165 | else if (!config.magic_demand_paged) | |
166 | return "ldscripts/${EMULATION_NAME}.xn"; | |
167 | else | |
168 | return "ldscripts/${EMULATION_NAME}.x"; | |
169 | } | |
170 | EOF | |
171 | ||
172 | fi | |
173 | ||
174 | cat >>e${EMULATION_NAME}.c <<EOF | |
175 | ||
176 | struct ld_emulation_xfer_struct ld_gld960coff_emulation = | |
177 | { | |
178 | gld960_before_parse, | |
179 | syslib_default, | |
180 | hll_default, | |
181 | after_parse_default, | |
182 | after_open_default, | |
183 | after_allocation_default, | |
184 | gld960_set_output_arch, | |
185 | gld960_choose_target, | |
186 | before_allocation_default, | |
187 | gld960_get_script, | |
188 | "960coff", | |
189 | "" | |
190 | }; | |
191 | EOF |