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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 ${EMULATION_NAME} | |
7 | Copyright (C) 1991, 93, 96, 97, 98, 1999 Free Software Foundation, Inc. | |
8 | Written by Steve Chamberlain steve@cygnus.com | |
9 | ||
10 | This file is part of GLD, the Gnu Linker. | |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
25 | ||
26 | #define TARGET_IS_${EMULATION_NAME} | |
27 | ||
28 | #define bfd_elf32_arm_allocate_interworking_sections \ | |
29 | bfd_elf32_arm_oabi_allocate_interworking_sections | |
30 | #define bfd_elf32_arm_get_bfd_for_interworking \ | |
31 | bfd_elf32_arm_oabi_get_bfd_for_interworking | |
32 | #define bfd_elf32_arm_process_before_allocation \ | |
33 | bfd_elf32_arm_oabi_process_before_allocation | |
34 | ||
35 | #include "bfd.h" | |
36 | #include "sysdep.h" | |
37 | #include "bfdlink.h" | |
38 | #include "getopt.h" | |
39 | ||
40 | #include "ld.h" | |
41 | #include "ldmain.h" | |
42 | #include "ldemul.h" | |
43 | #include "ldfile.h" | |
44 | #include "ldmisc.h" | |
45 | ||
46 | #include "ldexp.h" | |
47 | #include "ldlang.h" | |
48 | ||
49 | static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); | |
50 | static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
51 | static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); | |
52 | ||
53 | static void | |
54 | gld${EMULATION_NAME}_before_parse () | |
55 | { | |
56 | #ifndef TARGET_ /* I.e., if not generic. */ | |
57 | ldfile_set_output_arch ("`echo ${ARCH}`"); | |
58 | #endif /* not TARGET_ */ | |
59 | } | |
60 | ||
61 | /* This is called after the sections have been attached to output | |
62 | sections, but before any sizes or addresses have been set. */ | |
63 | ||
64 | static void | |
65 | gld${EMULATION_NAME}_before_allocation () | |
66 | { | |
67 | /* we should be able to set the size of the interworking stub section */ | |
68 | ||
69 | /* Here we rummage through the found bfds to collect glue information */ | |
70 | /* FIXME: should this be based on a command line option? krk@cygnus.com */ | |
71 | { | |
72 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
73 | { | |
7ca69e9e | 74 | if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0)) |
252b5132 RH |
75 | { |
76 | /* xgettext:c-format */ | |
77 | einfo (_("Errors encountered processing file %s"), is->filename); | |
78 | } | |
79 | } | |
80 | } | |
81 | ||
82 | /* We have seen it all. Allocate it, and carry on */ | |
83 | bfd_elf32_arm_allocate_interworking_sections (& link_info); | |
84 | } | |
85 | ||
86 | static void | |
87 | gld${EMULATION_NAME}_after_open () | |
88 | { | |
89 | ||
90 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
91 | { | |
92 | /* The interworking bfd must be the last one to be processed */ | |
93 | if (!is->next) | |
94 | bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info); | |
95 | } | |
96 | } | |
97 | ||
98 | static char * | |
99 | gld${EMULATION_NAME}_get_script (isfile) | |
100 | int *isfile; | |
101 | EOF | |
102 | ||
103 | if test -n "$COMPILE_IN" | |
104 | then | |
105 | # Scripts compiled in. | |
106 | ||
107 | # sed commands to quote an ld script as a C string. | |
108 | sc="-f ${srcdir}/emultempl/stringify.sed" | |
109 | ||
110 | cat >>e${EMULATION_NAME}.c <<EOF | |
111 | { | |
112 | *isfile = 0; | |
113 | ||
114 | if (link_info.relocateable == true && config.build_constructors == true) | |
115 | return | |
116 | EOF | |
117 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
118 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
119 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
120 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
121 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
122 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
123 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
124 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
125 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
126 | echo '; }' >> e${EMULATION_NAME}.c | |
127 | ||
128 | else | |
129 | # Scripts read from the filesystem. | |
130 | ||
131 | cat >>e${EMULATION_NAME}.c <<EOF | |
132 | { | |
133 | *isfile = 1; | |
134 | ||
135 | if (link_info.relocateable == true && config.build_constructors == true) | |
136 | return "ldscripts/${EMULATION_NAME}.xu"; | |
137 | else if (link_info.relocateable == true) | |
138 | return "ldscripts/${EMULATION_NAME}.xr"; | |
139 | else if (!config.text_read_only) | |
140 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
141 | else if (!config.magic_demand_paged) | |
142 | return "ldscripts/${EMULATION_NAME}.xn"; | |
143 | else | |
144 | return "ldscripts/${EMULATION_NAME}.x"; | |
145 | } | |
146 | EOF | |
147 | ||
148 | fi | |
149 | ||
150 | cat >>e${EMULATION_NAME}.c <<EOF | |
151 | ||
152 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
153 | { | |
154 | gld${EMULATION_NAME}_before_parse, | |
155 | syslib_default, | |
156 | hll_default, | |
157 | after_parse_default, | |
158 | gld${EMULATION_NAME}_after_open, | |
159 | after_allocation_default, | |
160 | set_output_arch_default, | |
161 | ldemul_default_target, | |
162 | gld${EMULATION_NAME}_before_allocation, | |
163 | gld${EMULATION_NAME}_get_script, | |
164 | "${EMULATION_NAME}", | |
165 | "${OUTPUT_FORMAT}", | |
166 | NULL, /* finish */ | |
167 | NULL, /* create output section statements */ | |
168 | NULL, /* open dynamic archive */ | |
169 | NULL, /* place orphan */ | |
170 | NULL, /* set_symbols */ | |
171 | NULL, | |
172 | NULL, /* unrecognised file */ | |
173 | NULL | |
174 | }; | |
175 | EOF |