a39c9332075852c61878e2e8f86c74897f169bf2
[deliverable/binutils-gdb.git] / ld / emultempl / generic.em
1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 fragment <<EOF
4 /* This file is is generated by a shell script. DO NOT EDIT! */
5
6 /* emulate the original gld for the given ${EMULATION_NAME}
7 Copyright (C) 1991-2020 Free Software Foundation, Inc.
8 Written by Steve Chamberlain steve@cygnus.com
9
10 This file is part of the GNU Binutils.
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
25 MA 02110-1301, USA. */
26
27 #define TARGET_IS_${EMULATION_NAME}
28
29 #include "sysdep.h"
30 #include "bfd.h"
31 #include "bfdlink.h"
32 #include "ctf-api.h"
33
34 #include "ld.h"
35 #include "ldmain.h"
36 #include "ldmisc.h"
37
38 #include "ldexp.h"
39 #include "ldlang.h"
40 #include "ldfile.h"
41 #include "ldemul.h"
42
43 EOF
44
45 # Import any needed special functions and/or overrides.
46 #
47 if test -n "$EXTRA_EM_FILE" ; then
48 source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
49 fi
50
51 if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
52 fragment <<EOF
53
54 static void
55 gld${EMULATION_NAME}_before_parse (void)
56 {
57 #ifndef TARGET_ /* I.e., if not generic. */
58 ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
59 #endif /* not TARGET_ */
60 EOF
61 # The MSP430 port *needs* linker relaxtion in order to cope with large
62 # functions where conditional branches do not fit into a +/- 1024 byte range.
63 case ${target} in
64 msp430-*-* )
65 fragment <<EOF
66 if (!bfd_link_relocatable (&link_info))
67 TARGET_ENABLE_RELAXATION;
68 EOF
69 ;;
70 esac
71 fragment <<EOF
72 }
73
74 EOF
75 fi
76
77 if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
78 fragment <<EOF
79
80 static char *
81 gld${EMULATION_NAME}_get_script (int *isfile)
82 EOF
83
84 if test x"$COMPILE_IN" = xyes
85 then
86 # Scripts compiled in.
87
88 # sed commands to quote an ld script as a C string.
89 sc="-f stringify.sed"
90
91 fragment <<EOF
92 {
93 *isfile = 0;
94
95 if (bfd_link_relocatable (&link_info) && config.build_constructors)
96 return
97 EOF
98 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
99 echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
100 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
101 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
102 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
103 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
104 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
105 echo ' ; else return' >> e${EMULATION_NAME}.c
106 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
107 echo '; }' >> e${EMULATION_NAME}.c
108
109 else
110 # Scripts read from the filesystem.
111
112 fragment <<EOF
113 {
114 *isfile = 1;
115
116 if (bfd_link_relocatable (&link_info) && config.build_constructors)
117 return "ldscripts/${EMULATION_NAME}.xu";
118 else if (bfd_link_relocatable (&link_info))
119 return "ldscripts/${EMULATION_NAME}.xr";
120 else if (!config.text_read_only)
121 return "ldscripts/${EMULATION_NAME}.xbn";
122 else if (!config.magic_demand_paged)
123 return "ldscripts/${EMULATION_NAME}.xn";
124 else
125 return "ldscripts/${EMULATION_NAME}.x";
126 }
127 EOF
128 fi
129 fi
130
131 fragment <<EOF
132
133 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
134 {
135 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
136 ${LDEMUL_SYSLIB-syslib_default},
137 ${LDEMUL_HLL-hll_default},
138 ${LDEMUL_AFTER_PARSE-after_parse_default},
139 ${LDEMUL_AFTER_OPEN-after_open_default},
140 ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
141 ${LDEMUL_BEFORE_PLACE_ORPHANS-before_place_orphans_default},
142 ${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
143 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
144 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
145 ${LDEMUL_BEFORE_ALLOCATION-before_allocation_default},
146 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
147 "${EMULATION_NAME}",
148 "${OUTPUT_FORMAT}",
149 ${LDEMUL_FINISH-finish_default},
150 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
151 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-NULL},
152 ${LDEMUL_PLACE_ORPHAN-NULL},
153 ${LDEMUL_SET_SYMBOLS-NULL},
154 ${LDEMUL_PARSE_ARGS-NULL},
155 ${LDEMUL_ADD_OPTIONS-NULL},
156 ${LDEMUL_HANDLE_OPTION-NULL},
157 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
158 ${LDEMUL_LIST_OPTIONS-NULL},
159 ${LDEMUL_RECOGNIZED_FILE-NULL},
160 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
161 ${LDEMUL_NEW_VERS_PATTERN-NULL},
162 ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL},
163 ${LDEMUL_EMIT_CTF_EARLY-NULL},
164 ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL}
165 };
166 EOF
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