Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | cat >e${EMULATION_NAME}.c <<EOF | |
48f6162b | 4 | /* Copyright 1991, 1993, 1994, 1996, 1999, 2000, 2001 |
b71e2778 | 5 | Free Software Foundation, Inc. |
252b5132 RH |
6 | |
7 | This file is part of GLD, the Gnu Linker. | |
8 | ||
9 | GLD is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 1, or (at your option) | |
12 | any later version. | |
13 | ||
14 | GLD is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with GLD; see the file COPYING. If not, write to the Free | |
21 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
22 | 02111-1307, USA. */ | |
23 | ||
24 | /* | |
25 | * emulate the Intels port of gld | |
26 | */ | |
27 | ||
28 | ||
252b5132 RH |
29 | #include "bfd.h" |
30 | #include "sysdep.h" | |
31 | #include "libiberty.h" | |
3882b010 | 32 | #include "safe-ctype.h" |
252b5132 RH |
33 | #include "bfdlink.h" |
34 | ||
35 | #include "ld.h" | |
252b5132 RH |
36 | #include "ldmisc.h" |
37 | #include "ldmain.h" | |
38 | ||
b71e2778 AM |
39 | #include "ldexp.h" |
40 | #include "ldlang.h" | |
41 | #include "ldfile.h" | |
42 | #include "ldemul.h" | |
43 | ||
48f6162b AJ |
44 | static void gld960_before_parse PARAMS ((void)); |
45 | static void gld960_set_output_arch PARAMS ((void)); | |
46 | static char *gld960_choose_target PARAMS ((void)); | |
47 | static char *gld960_get_script PARAMS ((int *)); | |
48 | ||
252b5132 RH |
49 | #ifdef GNU960 |
50 | ||
51 | static void | |
52 | gld960_before_parse() | |
53 | { | |
54 | static char *env_variables[] = { "G960LIB", "G960BASE", 0 }; | |
55 | char **p; | |
56 | char *env ; | |
57 | ||
58 | for ( p = env_variables; *p; p++ ){ | |
59 | env = (char *) getenv(*p); | |
60 | if (env) { | |
61 | ldfile_add_library_path (concat (env, | |
62 | "/lib/libcoff", | |
63 | (const char *) NULL), | |
64 | false); | |
65 | } | |
66 | } | |
67 | ldfile_output_architecture = bfd_arch_i960; | |
68 | } | |
69 | ||
70 | #else /* not GNU960 */ | |
71 | ||
72 | static void gld960_before_parse() | |
73 | { | |
74 | char *env ; | |
75 | env = getenv("G960LIB"); | |
76 | if (env) { | |
77 | ldfile_add_library_path(env, false); | |
78 | } | |
79 | env = getenv("G960BASE"); | |
80 | if (env) | |
81 | ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), | |
82 | false); | |
83 | ldfile_output_architecture = bfd_arch_i960; | |
84 | } | |
85 | ||
86 | #endif /* GNU960 */ | |
87 | ||
88 | ||
89 | static void | |
90 | gld960_set_output_arch() | |
91 | { | |
92 | if (ldfile_output_machine_name != NULL | |
93 | && *ldfile_output_machine_name != '\0') | |
94 | { | |
95 | char *s, *s1; | |
96 | ||
97 | s = concat ("i960:", ldfile_output_machine_name, (char *) NULL); | |
98 | for (s1 = s; *s1 != '\0'; s1++) | |
3882b010 | 99 | *s1 = TOLOWER (*s1); |
252b5132 RH |
100 | ldfile_set_output_arch (s); |
101 | free (s); | |
102 | } | |
103 | ||
104 | set_output_arch_default (); | |
105 | } | |
106 | ||
107 | static char * | |
108 | gld960_choose_target() | |
109 | { | |
110 | #ifdef GNU960 | |
111 | ||
112 | output_filename = "b.out"; | |
113 | return bfd_make_targ_name(BFD_BOUT_FORMAT, 0); | |
114 | ||
115 | #else | |
116 | ||
117 | char *from_outside = getenv(TARGET_ENVIRON); | |
118 | output_filename = "b.out"; | |
119 | ||
120 | if (from_outside != (char *)NULL) | |
121 | return from_outside; | |
122 | ||
123 | return "coff-Intel-little"; | |
124 | ||
125 | #endif | |
126 | } | |
127 | ||
128 | static char * | |
129 | gld960_get_script(isfile) | |
130 | int *isfile; | |
131 | EOF | |
132 | ||
133 | if test -n "$COMPILE_IN" | |
134 | then | |
135 | # Scripts compiled in. | |
136 | ||
137 | # sed commands to quote an ld script as a C string. | |
597e2591 | 138 | sc="-f stringify.sed" |
252b5132 RH |
139 | |
140 | cat >>e${EMULATION_NAME}.c <<EOF | |
141 | { | |
142 | *isfile = 0; | |
143 | ||
144 | if (link_info.relocateable == true && config.build_constructors == true) | |
597e2591 | 145 | return |
252b5132 | 146 | EOF |
597e2591 ILT |
147 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
148 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
149 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
150 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
151 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
152 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
153 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
154 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
155 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
156 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
157 | |
158 | else | |
159 | # Scripts read from the filesystem. | |
160 | ||
161 | cat >>e${EMULATION_NAME}.c <<EOF | |
162 | { | |
163 | *isfile = 1; | |
164 | ||
165 | if (link_info.relocateable == true && config.build_constructors == true) | |
166 | return "ldscripts/${EMULATION_NAME}.xu"; | |
167 | else if (link_info.relocateable == true) | |
168 | return "ldscripts/${EMULATION_NAME}.xr"; | |
169 | else if (!config.text_read_only) | |
170 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
171 | else if (!config.magic_demand_paged) | |
172 | return "ldscripts/${EMULATION_NAME}.xn"; | |
173 | else | |
174 | return "ldscripts/${EMULATION_NAME}.x"; | |
175 | } | |
176 | EOF | |
177 | ||
178 | fi | |
179 | ||
180 | cat >>e${EMULATION_NAME}.c <<EOF | |
181 | ||
182 | struct ld_emulation_xfer_struct ld_gld960coff_emulation = | |
183 | { | |
184 | gld960_before_parse, | |
185 | syslib_default, | |
186 | hll_default, | |
187 | after_parse_default, | |
188 | after_open_default, | |
189 | after_allocation_default, | |
190 | gld960_set_output_arch, | |
191 | gld960_choose_target, | |
192 | before_allocation_default, | |
193 | gld960_get_script, | |
194 | "960coff", | |
e1c47aa4 AM |
195 | "", |
196 | NULL, /* finish */ | |
197 | NULL, /* create output section statements */ | |
198 | NULL, /* open dynamic archive */ | |
199 | NULL, /* place orphan */ | |
200 | NULL, /* set symbols */ | |
201 | NULL, /* parse args */ | |
202 | NULL, /* unrecognized file */ | |
203 | NULL, /* list options */ | |
40d109bf AM |
204 | NULL, /* recognized file */ |
205 | NULL /* find_potential_libraries */ | |
252b5132 RH |
206 | }; |
207 | EOF |