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1 | # This shell script emits a C file. -*- C -*- | |
2 | # It does some substitutions. | |
3 | (echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
4 | fragment <<EOF | |
5 | /* This file is part of GLD, the Gnu Linker. | |
6 | Copyright (C) 1999-2015 Free Software Foundation, Inc. | |
7 | ||
8 | This file is part of the GNU Binutils. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 3 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
23 | MA 02110-1301, USA. */ | |
24 | ||
25 | /* For TI COFF */ | |
26 | /* Need to determine load and run pages for output sections */ | |
27 | ||
28 | #define TARGET_IS_${EMULATION_NAME} | |
29 | ||
30 | #include "sysdep.h" | |
31 | #include "bfd.h" | |
32 | #include "bfdlink.h" | |
33 | #include "getopt.h" | |
34 | ||
35 | #include "ld.h" | |
36 | #include "ldmain.h" | |
37 | #include "ldmisc.h" | |
38 | #include "ldexp.h" | |
39 | #include "ldlang.h" | |
40 | #include "ldfile.h" | |
41 | #include "ldemul.h" | |
42 | ||
43 | static int coff_version; | |
44 | ||
45 | /* TI COFF extra command line options */ | |
46 | #define OPTION_COFF_FORMAT (300 + 1) | |
47 | ||
48 | static void | |
49 | gld${EMULATION_NAME}_add_options | |
50 | (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl, | |
51 | struct option **longopts, int nrl ATTRIBUTE_UNUSED, | |
52 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
53 | { | |
54 | static const struct option xtra_long[] = { | |
55 | /* TI COFF options */ | |
56 | {"format", required_argument, NULL, OPTION_COFF_FORMAT }, | |
57 | {NULL, no_argument, NULL, 0} | |
58 | }; | |
59 | ||
60 | *longopts = (struct option *) | |
61 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
62 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
63 | } | |
64 | ||
65 | static void | |
66 | gld_${EMULATION_NAME}_list_options (FILE * file) | |
67 | { | |
68 | fprintf (file, _(" --format 0|1|2 Specify which COFF version to use\n")); | |
69 | } | |
70 | ||
71 | static bfd_boolean | |
72 | gld${EMULATION_NAME}_handle_option (int optc) | |
73 | { | |
74 | switch (optc) | |
75 | { | |
76 | default: | |
77 | return FALSE; | |
78 | ||
79 | case OPTION_COFF_FORMAT: | |
80 | if ((*optarg == '0' || *optarg == '1' || *optarg == '2') | |
81 | && optarg[1] == '\0') | |
82 | { | |
83 | static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}"; | |
84 | coff_version = *optarg - '0'; | |
85 | buf[4] = *optarg; | |
86 | lang_add_output_format (buf, NULL, NULL, 0); | |
87 | } | |
88 | else | |
89 | { | |
90 | einfo (_("%P%F: invalid COFF format version %s\n"), optarg); | |
91 | } | |
92 | break; | |
93 | } | |
94 | return FALSE; | |
95 | } | |
96 | ||
97 | static void | |
98 | gld_${EMULATION_NAME}_before_parse(void) | |
99 | { | |
100 | #ifndef TARGET_ /* I.e., if not generic. */ | |
101 | ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown); | |
102 | #endif /* not TARGET_ */ | |
103 | } | |
104 | ||
105 | static char * | |
106 | gld_${EMULATION_NAME}_get_script (int *isfile) | |
107 | EOF | |
108 | if test x"$COMPILE_IN" = xyes | |
109 | then | |
110 | # Scripts compiled in. | |
111 | ||
112 | # sed commands to quote an ld script as a C string. | |
113 | sc='s/["\\]/\\&/g | |
114 | s/$/\\n\\/ | |
115 | 1s/^/"/ | |
116 | $s/$/n"/ | |
117 | ' | |
118 | fragment <<EOF | |
119 | { | |
120 | *isfile = 0; | |
121 | if (link_info.relocatable && config.build_constructors) | |
122 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; | |
123 | else if (link_info.relocatable) | |
124 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`; | |
125 | else if (!config.text_read_only) | |
126 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`; | |
127 | else if (!config.magic_demand_paged) | |
128 | return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`; | |
129 | else | |
130 | return `sed "$sc" ldscripts/${EMULATION_NAME}.x`; | |
131 | } | |
132 | EOF | |
133 | ||
134 | else | |
135 | # Scripts read from the filesystem. | |
136 | ||
137 | fragment <<EOF | |
138 | { | |
139 | *isfile = 1; | |
140 | ||
141 | if (link_info.relocatable && config.build_constructors) | |
142 | return "ldscripts/${EMULATION_NAME}.xu"; | |
143 | else if (link_info.relocatable) | |
144 | return "ldscripts/${EMULATION_NAME}.xr"; | |
145 | else if (!config.text_read_only) | |
146 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
147 | else if (!config.magic_demand_paged) | |
148 | return "ldscripts/${EMULATION_NAME}.xn"; | |
149 | else | |
150 | return "ldscripts/${EMULATION_NAME}.x"; | |
151 | } | |
152 | EOF | |
153 | ||
154 | fi | |
155 | ||
156 | fragment <<EOF | |
157 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
158 | { | |
159 | gld_${EMULATION_NAME}_before_parse, | |
160 | syslib_default, | |
161 | hll_default, | |
162 | after_parse_default, | |
163 | after_open_default, | |
164 | after_allocation_default, | |
165 | set_output_arch_default, | |
166 | ldemul_default_target, | |
167 | before_allocation_default, | |
168 | gld_${EMULATION_NAME}_get_script, | |
169 | "${EMULATION_NAME}", | |
170 | "${OUTPUT_FORMAT}", | |
171 | finish_default, | |
172 | NULL, /* create output section statements */ | |
173 | NULL, /* open dynamic archive */ | |
174 | NULL, /* place orphan */ | |
175 | NULL, /* set_symbols */ | |
176 | NULL, /* parse_args */ | |
177 | gld${EMULATION_NAME}_add_options, | |
178 | gld${EMULATION_NAME}_handle_option, | |
179 | NULL, /* unrecognized_file */ | |
180 | gld_${EMULATION_NAME}_list_options, | |
181 | NULL, /* recognized file */ | |
182 | NULL, /* find_potential_libraries */ | |
183 | NULL, /* new_vers_pattern */ | |
184 | NULL /* extra_map_file_text */ | |
185 | }; | |
186 | EOF |