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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 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
5 | ||
6 | /* emulate the original gld for the given ${EMULATION_NAME} | |
7 | Copyright (C) 1991, 93, 96, 97, 1998 Free Software Foundation, Inc. | |
8 | Written by Steve Chamberlain steve@cygnus.com | |
9 | ||
10 | This file is part of GLD, the Gnu Linker. | |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
25 | ||
26 | #define TARGET_IS_${EMULATION_NAME} | |
27 | ||
28 | #include "bfd.h" | |
29 | #include "sysdep.h" | |
30 | #include "bfdlink.h" | |
31 | #include "getopt.h" | |
32 | ||
33 | #include "ld.h" | |
34 | #include "ldmain.h" | |
35 | #include "ldemul.h" | |
36 | #include "ldfile.h" | |
37 | #include "ldmisc.h" | |
38 | ||
39 | #include "ldexp.h" | |
40 | #include "ldlang.h" | |
41 | ||
42 | static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); | |
43 | static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
44 | static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); | |
45 | ||
46 | static void | |
47 | gld${EMULATION_NAME}_before_parse () | |
48 | { | |
49 | #ifndef TARGET_ /* I.e., if not generic. */ | |
50 | ldfile_set_output_arch ("`echo ${ARCH}`"); | |
51 | #endif /* not TARGET_ */ | |
52 | } | |
53 | ||
54 | /* This is called after the sections have been attached to output | |
55 | sections, but before any sizes or addresses have been set. */ | |
56 | ||
57 | static void | |
58 | gld${EMULATION_NAME}_before_allocation () | |
59 | { | |
60 | /* we should be able to set the size of the interworking stub section */ | |
61 | ||
62 | /* Here we rummage through the found bfds to collect glue information */ | |
63 | /* FIXME: should this be based on a command line option? krk@cygnus.com */ | |
64 | { | |
65 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
66 | { | |
67 | if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info)) | |
68 | { | |
69 | /* xgettext:c-format */ | |
70 | einfo (_("Errors encountered processing file %s"), is->filename); | |
71 | } | |
72 | } | |
73 | } | |
74 | ||
75 | /* We have seen it all. Allocate it, and carry on */ | |
76 | bfd_elf32_arm_allocate_interworking_sections (& link_info); | |
77 | } | |
78 | ||
79 | static void | |
80 | gld${EMULATION_NAME}_after_open () | |
81 | { | |
82 | ||
83 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
84 | { | |
85 | /* The interworking bfd must be the last one to be processed */ | |
86 | if (!is->next) | |
87 | bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info); | |
88 | } | |
89 | } | |
90 | ||
91 | static char * | |
92 | gld${EMULATION_NAME}_get_script (isfile) | |
93 | int *isfile; | |
94 | EOF | |
95 | ||
96 | if test -n "$COMPILE_IN" | |
97 | then | |
98 | # Scripts compiled in. | |
99 | ||
100 | # sed commands to quote an ld script as a C string. | |
101 | sc="-f ${srcdir}/emultempl/stringify.sed" | |
102 | ||
103 | cat >>e${EMULATION_NAME}.c <<EOF | |
104 | { | |
105 | *isfile = 0; | |
106 | ||
107 | if (link_info.relocateable == true && config.build_constructors == true) | |
108 | return | |
109 | EOF | |
110 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
111 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
112 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
113 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
114 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
115 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
116 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
117 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
118 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
119 | echo '; }' >> e${EMULATION_NAME}.c | |
120 | ||
121 | else | |
122 | # Scripts read from the filesystem. | |
123 | ||
124 | cat >>e${EMULATION_NAME}.c <<EOF | |
125 | { | |
126 | *isfile = 1; | |
127 | ||
128 | if (link_info.relocateable == true && config.build_constructors == true) | |
129 | return "ldscripts/${EMULATION_NAME}.xu"; | |
130 | else if (link_info.relocateable == true) | |
131 | return "ldscripts/${EMULATION_NAME}.xr"; | |
132 | else if (!config.text_read_only) | |
133 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
134 | else if (!config.magic_demand_paged) | |
135 | return "ldscripts/${EMULATION_NAME}.xn"; | |
136 | else | |
137 | return "ldscripts/${EMULATION_NAME}.x"; | |
138 | } | |
139 | EOF | |
140 | ||
141 | fi | |
142 | ||
143 | cat >>e${EMULATION_NAME}.c <<EOF | |
144 | ||
145 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
146 | { | |
147 | gld${EMULATION_NAME}_before_parse, | |
148 | syslib_default, | |
149 | hll_default, | |
150 | after_parse_default, | |
151 | gld${EMULATION_NAME}_after_open, | |
152 | after_allocation_default, | |
153 | set_output_arch_default, | |
154 | ldemul_default_target, | |
155 | gld${EMULATION_NAME}_before_allocation, | |
156 | gld${EMULATION_NAME}_get_script, | |
157 | "${EMULATION_NAME}", | |
158 | "${OUTPUT_FORMAT}", | |
159 | NULL, /* finish */ | |
160 | NULL, /* create output section statements */ | |
161 | NULL, /* open dynamic archive */ | |
162 | NULL, /* place orphan */ | |
163 | NULL, /* set_symbols */ | |
164 | NULL, | |
165 | NULL, /* unrecognised file */ | |
166 | NULL | |
167 | }; | |
168 | EOF |