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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 ${EMULATION_NAME} | |
a2b64bed | 7 | Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000 |
b71e2778 | 8 | Free Software Foundation, Inc. |
252b5132 RH |
9 | Written by Steve Chamberlain steve@cygnus.com |
10 | ||
11 | This file is part of GLD, the Gnu Linker. | |
12 | ||
13 | This program is free software; you can redistribute it and/or modify | |
14 | it under the terms of the GNU General Public License as published by | |
15 | the Free Software Foundation; either version 2 of the License, or | |
16 | (at your option) any later version. | |
17 | ||
18 | This program is distributed in the hope that it will be useful, | |
19 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | GNU General Public License for more details. | |
22 | ||
23 | You should have received a copy of the GNU General Public License | |
24 | along with this program; if not, write to the Free Software | |
25 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
26 | ||
27 | #define TARGET_IS_${EMULATION_NAME} | |
28 | ||
29 | #define bfd_elf32_arm_allocate_interworking_sections \ | |
30 | bfd_elf32_arm_oabi_allocate_interworking_sections | |
31 | #define bfd_elf32_arm_get_bfd_for_interworking \ | |
32 | bfd_elf32_arm_oabi_get_bfd_for_interworking | |
33 | #define bfd_elf32_arm_process_before_allocation \ | |
34 | bfd_elf32_arm_oabi_process_before_allocation | |
35 | ||
36 | #include "bfd.h" | |
37 | #include "sysdep.h" | |
38 | #include "bfdlink.h" | |
39 | #include "getopt.h" | |
40 | ||
41 | #include "ld.h" | |
42 | #include "ldmain.h" | |
252b5132 RH |
43 | #include "ldmisc.h" |
44 | ||
45 | #include "ldexp.h" | |
46 | #include "ldlang.h" | |
b71e2778 AM |
47 | #include "ldfile.h" |
48 | #include "ldemul.h" | |
252b5132 RH |
49 | |
50 | static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); | |
51 | static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
52 | static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); | |
53 | ||
54 | static void | |
55 | gld${EMULATION_NAME}_before_parse () | |
56 | { | |
57 | #ifndef TARGET_ /* I.e., if not generic. */ | |
58 | ldfile_set_output_arch ("`echo ${ARCH}`"); | |
59 | #endif /* not TARGET_ */ | |
60 | } | |
61 | ||
62 | /* This is called after the sections have been attached to output | |
63 | sections, but before any sizes or addresses have been set. */ | |
64 | ||
65 | static void | |
66 | gld${EMULATION_NAME}_before_allocation () | |
67 | { | |
68 | /* we should be able to set the size of the interworking stub section */ | |
69 | ||
70 | /* Here we rummage through the found bfds to collect glue information */ | |
71 | /* FIXME: should this be based on a command line option? krk@cygnus.com */ | |
72 | { | |
73 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
74 | { | |
7ca69e9e | 75 | if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0)) |
252b5132 RH |
76 | { |
77 | /* xgettext:c-format */ | |
78 | einfo (_("Errors encountered processing file %s"), is->filename); | |
79 | } | |
80 | } | |
81 | } | |
82 | ||
83 | /* We have seen it all. Allocate it, and carry on */ | |
84 | bfd_elf32_arm_allocate_interworking_sections (& link_info); | |
85 | } | |
86 | ||
87 | static void | |
88 | gld${EMULATION_NAME}_after_open () | |
89 | { | |
90 | ||
91 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
92 | { | |
93 | /* The interworking bfd must be the last one to be processed */ | |
94 | if (!is->next) | |
95 | bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info); | |
96 | } | |
97 | } | |
98 | ||
99 | static char * | |
100 | gld${EMULATION_NAME}_get_script (isfile) | |
101 | int *isfile; | |
102 | EOF | |
103 | ||
104 | if test -n "$COMPILE_IN" | |
105 | then | |
106 | # Scripts compiled in. | |
107 | ||
108 | # sed commands to quote an ld script as a C string. | |
597e2591 | 109 | sc="-f stringify.sed" |
252b5132 RH |
110 | |
111 | cat >>e${EMULATION_NAME}.c <<EOF | |
112 | { | |
113 | *isfile = 0; | |
114 | ||
115 | if (link_info.relocateable == true && config.build_constructors == true) | |
116 | return | |
117 | EOF | |
118 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
119 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
120 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
121 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
122 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
123 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
124 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
125 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
126 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
127 | echo '; }' >> e${EMULATION_NAME}.c | |
128 | ||
129 | else | |
130 | # Scripts read from the filesystem. | |
131 | ||
132 | cat >>e${EMULATION_NAME}.c <<EOF | |
133 | { | |
134 | *isfile = 1; | |
135 | ||
136 | if (link_info.relocateable == true && config.build_constructors == true) | |
137 | return "ldscripts/${EMULATION_NAME}.xu"; | |
138 | else if (link_info.relocateable == true) | |
139 | return "ldscripts/${EMULATION_NAME}.xr"; | |
140 | else if (!config.text_read_only) | |
141 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
142 | else if (!config.magic_demand_paged) | |
143 | return "ldscripts/${EMULATION_NAME}.xn"; | |
144 | else | |
145 | return "ldscripts/${EMULATION_NAME}.x"; | |
146 | } | |
147 | EOF | |
148 | ||
149 | fi | |
150 | ||
151 | cat >>e${EMULATION_NAME}.c <<EOF | |
152 | ||
153 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = | |
154 | { | |
155 | gld${EMULATION_NAME}_before_parse, | |
156 | syslib_default, | |
157 | hll_default, | |
158 | after_parse_default, | |
159 | gld${EMULATION_NAME}_after_open, | |
160 | after_allocation_default, | |
161 | set_output_arch_default, | |
162 | ldemul_default_target, | |
163 | gld${EMULATION_NAME}_before_allocation, | |
164 | gld${EMULATION_NAME}_get_script, | |
165 | "${EMULATION_NAME}", | |
166 | "${OUTPUT_FORMAT}", | |
e1c47aa4 AM |
167 | NULL, /* finish */ |
168 | NULL, /* create output section statements */ | |
169 | NULL, /* open dynamic archive */ | |
170 | NULL, /* place orphan */ | |
171 | NULL, /* set symbols */ | |
172 | NULL, /* parse args */ | |
173 | NULL, /* unrecognized file */ | |
174 | NULL, /* list options */ | |
40d109bf AM |
175 | NULL, /* recognized file */ |
176 | NULL /* find_potential_libraries */ | |
252b5132 RH |
177 | }; |
178 | EOF |