Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3fc90ddb | 3 | if [ -z "$MACHINE" ]; then |
86af25fe L |
4 | OUTPUT_ARCH=${ARCH} |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
361d94e7 ILT |
8 | rm -f e${EMULATION_NAME}.c |
9 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 10 | fragment <<EOF |
82704155 | 11 | /* Copyright (C) 1995-2019 Free Software Foundation, Inc. |
252b5132 | 12 | |
f96b4a7b NC |
13 | This file is part of the GNU Binutils. |
14 | ||
2fa9fc65 NC |
15 | This program is free software; you can redistribute it and/or modify |
16 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 17 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 18 | (at your option) any later version. |
252b5132 | 19 | |
2fa9fc65 NC |
20 | This program is distributed in the hope that it will be useful, |
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | GNU General Public License for more details. | |
252b5132 | 24 | |
2fa9fc65 NC |
25 | You should have received a copy of the GNU General Public License |
26 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
27 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
28 | MA 02110-1301, USA. */ | |
29 | ||
252b5132 RH |
30 | |
31 | /* For WINDOWS_NT */ | |
32 | /* The original file generated returned different default scripts depending | |
33 | on whether certain switches were set, but these switches pertain to the | |
34 | Linux system and that particular version of coff. In the NT case, we | |
35 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
36 | the correct entry point by default. */ |
37 | ||
db09f25b AM |
38 | #define TARGET_IS_${EMULATION_NAME} |
39 | ||
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
252b5132 RH |
42 | #include "bfdlink.h" |
43 | #include "getopt.h" | |
44 | #include "libiberty.h" | |
42627821 | 45 | #include "filenames.h" |
252b5132 RH |
46 | #include "ld.h" |
47 | #include "ldmain.h" | |
252b5132 RH |
48 | #include "ldexp.h" |
49 | #include "ldlang.h" | |
b71e2778 | 50 | #include "ldfile.h" |
252b5132 | 51 | #include "ldemul.h" |
df2a7313 | 52 | #include <ldgram.h> |
252b5132 RH |
53 | #include "ldlex.h" |
54 | #include "ldmisc.h" | |
55 | #include "ldctor.h" | |
61e2488c | 56 | #include "ldbuildid.h" |
252b5132 | 57 | #include "coff/internal.h" |
71add731 | 58 | |
26d2d8a2 BF |
59 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
60 | header in generic PE code. */ | |
61 | #include "coff/i386.h" | |
62 | #include "coff/pe.h" | |
63 | ||
61e2488c | 64 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 65 | using it here. */ |
252b5132 | 66 | #include "../bfd/libcoff.h" |
61e2488c | 67 | #include "../bfd/libpei.h" |
71add731 | 68 | |
f37164d7 AM |
69 | #if defined(TARGET_IS_armpe) \ |
70 | || defined(TARGET_IS_arm_wince_pe) | |
71 | #define bfd_arm_allocate_interworking_sections \ | |
72 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
73 | #define bfd_arm_get_bfd_for_interworking \ | |
74 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
75 | #define bfd_arm_process_before_allocation \ | |
76 | bfd_${EMULATION_NAME}_process_before_allocation | |
77 | #include "coff-arm.h" | |
78 | #endif | |
79 | ||
252b5132 | 80 | #include "deffile.h" |
1069dd8d | 81 | #include "pe-dll.h" |
29e1a6e4 | 82 | #include "safe-ctype.h" |
14fe918e | 83 | |
2be9b2c7 ILT |
84 | /* Permit the emulation parameters to override the default section |
85 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
86 | it seem that include/coff/internal.h should not define | |
87 | PE_DEF_SECTION_ALIGNMENT. */ | |
88 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
89 | #undef PE_DEF_SECTION_ALIGNMENT | |
90 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
91 | #endif | |
92 | ||
7148cc28 NC |
93 | #if defined(TARGET_IS_i386pe) \ |
94 | || defined(TARGET_IS_shpe) \ | |
7148cc28 | 95 | || defined(TARGET_IS_armpe) \ |
7148cc28 | 96 | || defined(TARGET_IS_arm_wince_pe) |
344a211f NC |
97 | #define DLL_SUPPORT |
98 | #endif | |
c6c37250 | 99 | |
e468a046 KT |
100 | #if defined(TARGET_IS_i386pe) |
101 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
102 | #else | |
103 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
104 | #endif | |
105 | ||
344a211f | 106 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 107 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
108 | #else |
109 | #undef NT_EXE_IMAGE_BASE | |
110 | #undef PE_DEF_SECTION_ALIGNMENT | |
111 | #undef PE_DEF_FILE_ALIGNMENT | |
112 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
113 | |
114 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
115 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
116 | #define PE_DEF_SUBSYSTEM 9 | |
117 | #else | |
118 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
119 | #define PE_DEF_SUBSYSTEM 2 | |
120 | #endif | |
121 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
122 | #endif | |
c6c37250 | 123 | |
252b5132 RH |
124 | static struct internal_extra_pe_aouthdr pe; |
125 | static int dll; | |
decfa41e | 126 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 127 | static flagword real_flags = 0; |
252b5132 | 128 | static int support_old_code = 0; |
6f798e5c | 129 | static char * thumb_entry_symbol = NULL; |
252b5132 | 130 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 131 | static unsigned short pe_dll_characteristics = 0; |
eeb14e5a | 132 | static bfd_boolean insert_timestamp = TRUE; |
61e2488c | 133 | static const char *emit_build_id; |
252b5132 | 134 | |
f0c87f88 | 135 | #ifdef DLL_SUPPORT |
4cd89863 | 136 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e | 137 | static char *pe_out_def_filename = NULL; |
5f577f7d | 138 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 139 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 140 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 141 | #endif |
252b5132 RH |
142 | |
143 | extern const char *output_filename; | |
144 | ||
d74720d2 | 145 | static int is_underscoring (void) |
252b5132 | 146 | { |
d74720d2 KT |
147 | int u = 0; |
148 | if (pe_leading_underscore != -1) | |
149 | return pe_leading_underscore; | |
150 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) | |
b804e4af KT |
151 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
152 | ||
153 | if (u == -1) | |
154 | abort (); | |
d74720d2 KT |
155 | pe_leading_underscore = (u != 0 ? 1 : 0); |
156 | return pe_leading_underscore; | |
157 | } | |
b804e4af | 158 | |
d74720d2 KT |
159 | static void |
160 | gld_${EMULATION_NAME}_before_parse (void) | |
161 | { | |
162 | is_underscoring (); | |
5e2f1575 | 163 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 164 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 165 | #ifdef DLL_SUPPORT |
66be1055 | 166 | input_flags.dynamic = TRUE; |
252b5132 | 167 | config.has_shared = 1; |
5b9c6027 DK |
168 | EOF |
169 | ||
170 | # Cygwin no longer wants these noisy warnings. Other PE | |
171 | # targets might like to consider adding themselves here. | |
27320b85 NC |
172 | # See also the mail thread starting here for the reason why |
173 | # merge_rdata defaults to 0 for cygwin: | |
174 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html | |
5b9c6027 DK |
175 | case ${target} in |
176 | *-*-cygwin*) | |
177 | default_auto_import=1 | |
27320b85 | 178 | default_merge_rdata=0 |
ca5f2203 | 179 | ;; |
09db93a8 | 180 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
ca5f2203 KT |
181 | default_auto_import=1 |
182 | default_merge_rdata=0 | |
5b9c6027 DK |
183 | ;; |
184 | *) | |
185 | default_auto_import=-1 | |
ca5f2203 | 186 | default_merge_rdata=1 |
5b9c6027 DK |
187 | ;; |
188 | esac | |
189 | ||
190 | fragment <<EOF | |
191 | link_info.pei386_auto_import = ${default_auto_import}; | |
e468a046 KT |
192 | /* Use by default version. */ |
193 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; | |
252b5132 RH |
194 | #endif |
195 | } | |
196 | \f | |
ca5f2203 KT |
197 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
198 | version 2 is used and auto-import is enabled. */ | |
199 | #define MERGE_RDATA_V2 ${default_merge_rdata} | |
200 | ||
252b5132 RH |
201 | /* PE format extra command line options. */ |
202 | ||
4cd89863 | 203 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
204 | #define OPTION_BASE_FILE (300 + 1) |
205 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
206 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
207 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
208 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
209 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
210 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
211 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
212 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
213 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
214 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
215 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
216 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
217 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
218 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
219 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
220 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
221 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
2927aaca NC |
222 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
223 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) | |
252b5132 RH |
224 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
225 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
226 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
76359541 | 227 | #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1) |
870df5dc NC |
228 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
229 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
230 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
231 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
232 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
233 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
234 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
235 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
236 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 237 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
238 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
239 | (OPTION_EXCLUDE_LIBS + 1) | |
240 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
241 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6c19b93b | 242 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 | 243 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
6c19b93b | 244 | (OPTION_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 | 245 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 246 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
247 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
248 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
249 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
250 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 251 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 252 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
6c19b93b AM |
253 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
254 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
255 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
256 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
257 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
258 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 259 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
260 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
261 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
262 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 263 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
264 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
265 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
266 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
267 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
268 | /* Determinism. */ |
269 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
270 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
271 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
252b5132 | 272 | |
3bcf5557 | 273 | static void |
0c7a8e5a | 274 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
275 | (int ns ATTRIBUTE_UNUSED, |
276 | char **shortopts ATTRIBUTE_UNUSED, | |
277 | int nl, | |
278 | struct option **longopts, | |
279 | int nrl ATTRIBUTE_UNUSED, | |
280 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 281 | { |
27320b85 NC |
282 | static const struct option xtra_long[] = |
283 | { | |
284 | /* PE options. */ | |
3bcf5557 AM |
285 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
286 | {"dll", no_argument, NULL, OPTION_DLL}, | |
287 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
288 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
289 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
290 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
291 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
292 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
293 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
294 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
295 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
296 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
297 | {"stack", required_argument, NULL, OPTION_STACK}, | |
298 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
299 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
300 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
301 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
302 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
303 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
304 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 305 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 306 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 307 | #ifdef DLL_SUPPORT |
d127ecce AM |
308 | /* getopt allows abbreviations, so we do this to stop it |
309 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
310 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
311 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
312 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
313 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 314 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 315 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 316 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
317 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
318 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
319 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
320 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
3bcf5557 AM |
321 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
322 | /* getopt() allows abbreviations, so we do this to stop it from | |
323 | treating -c as an abbreviation for these --compat-implib. */ | |
324 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
325 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 326 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
327 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
328 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
329 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
330 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
331 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
332 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
333 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
334 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
335 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
336 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 337 | #endif |
26d2d8a2 | 338 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 339 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
340 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
341 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
342 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
343 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
344 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
345 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
346 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
347 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
348 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
349 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
61e2488c | 350 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
3bcf5557 AM |
351 | {NULL, no_argument, NULL, 0} |
352 | }; | |
252b5132 | 353 | |
d127ecce AM |
354 | *longopts |
355 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
356 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
357 | } | |
252b5132 RH |
358 | |
359 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 360 | parameters which may be input from the command line. */ |
252b5132 RH |
361 | |
362 | typedef struct | |
363 | { | |
364 | void *ptr; | |
365 | int size; | |
366 | int value; | |
367 | char *symbol; | |
368 | int inited; | |
522f09cd KT |
369 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
370 | C visible symbols can be prefixed by underscore dependent to target's | |
371 | settings. */ | |
372 | bfd_boolean is_c_symbol; | |
252b5132 RH |
373 | } definfo; |
374 | ||
522f09cd KT |
375 | /* Get symbol name dependent to kind and C visible state of |
376 | underscore. */ | |
377 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
378 | (init[(IDX)].symbol \ | |
535b785f | 379 | + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1)) |
522f09cd KT |
380 | |
381 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
382 | #define U(CSTR) \ | |
d74720d2 | 383 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd | 384 | |
61e2488c | 385 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
386 | |
387 | static definfo init[] = | |
388 | { | |
389 | /* imagebase must be first */ | |
390 | #define IMAGEBASEOFF 0 | |
522f09cd | 391 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
252b5132 | 392 | #define DLLOFF 1 |
522f09cd | 393 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
dffc6a64 | 394 | #define MSIMAGEBASEOFF 2 |
522f09cd KT |
395 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
396 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), | |
397 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), | |
398 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), | |
399 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), | |
400 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), | |
401 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), | |
7148cc28 | 402 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
522f09cd | 403 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
344a211f | 404 | #else |
522f09cd | 405 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
344a211f | 406 | #endif |
522f09cd KT |
407 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
408 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), | |
409 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), | |
410 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), | |
411 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), | |
412 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), | |
413 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), | |
414 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), | |
415 | { NULL, 0, 0, NULL, 0 , FALSE} | |
252b5132 RH |
416 | }; |
417 | ||
4cd89863 | 418 | |
252b5132 | 419 | static void |
0c7a8e5a | 420 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
421 | { |
422 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
423 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
424 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
425 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
426 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
427 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
428 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
429 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
430 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
431 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
432 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
433 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
434 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
435 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
436 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 437 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 438 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 439 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 440 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 441 | #ifdef DLL_SUPPORT |
252b5132 RH |
442 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
443 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
444 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
445 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 446 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 447 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
448 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
449 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
450 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
451 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
452 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
252b5132 | 453 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
d0e6d77b | 454 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
455 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
456 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
457 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
458 | (optionally starting with address) unless\n\ | |
459 | specifically set with --image-base\n")); | |
5f577f7d | 460 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
461 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
462 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 463 | in preference to lib<basename>.dll \n")); |
c85f715a | 464 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 465 | __imp_sym for DATA references\n")); |
decc3638 | 466 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 467 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
468 | adding pseudo-relocations resolved at\n\ |
469 | runtime.\n")); | |
2fa9fc65 NC |
470 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
471 | auto-imported DATA.\n")); | |
e3c8793a NC |
472 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
473 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 474 | #endif |
26d2d8a2 BF |
475 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
476 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
477 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
478 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
479 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
480 | executable image files\n")); | |
481 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
482 | in object files\n")); | |
df5f2391 AM |
483 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
484 | address space layout randomization (ASLR)\n")); | |
485 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
486 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
487 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
488 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
489 | be called in this image\n")); | |
490 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
491 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
522f09cd | 492 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
61e2488c | 493 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
252b5132 RH |
494 | } |
495 | ||
4cd89863 | 496 | |
252b5132 | 497 | static void |
0c7a8e5a | 498 | set_pe_name (char *name, long val) |
252b5132 | 499 | { |
d74720d2 KT |
500 | int i; |
501 | is_underscoring (); | |
4cd89863 NC |
502 | |
503 | /* Find the name and set it. */ | |
252b5132 RH |
504 | for (i = 0; init[i].ptr; i++) |
505 | { | |
522f09cd | 506 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
507 | { |
508 | init[i].value = val; | |
509 | init[i].inited = 1; | |
dffc6a64 KT |
510 | if (strcmp (name,"__image_base__") == 0) |
511 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
512 | return; |
513 | } | |
514 | } | |
939ba9d0 | 515 | abort (); |
252b5132 RH |
516 | } |
517 | ||
decfa41e KT |
518 | static void |
519 | set_entry_point (void) | |
520 | { | |
521 | const char *entry; | |
522 | const char *initial_symbol_char; | |
d74720d2 | 523 | int i; |
decfa41e KT |
524 | |
525 | static const struct | |
6c19b93b AM |
526 | { |
527 | const int value; | |
528 | const char *entry; | |
529 | } | |
decfa41e KT |
530 | v[] = |
531 | { | |
532 | { 1, "NtProcessStartup" }, | |
533 | { 2, "WinMainCRTStartup" }, | |
534 | { 3, "mainCRTStartup" }, | |
535 | { 7, "__PosixProcessStartup"}, | |
536 | { 9, "WinMainCRTStartup" }, | |
537 | {14, "mainCRTStartup" }, | |
538 | { 0, NULL } | |
539 | }; | |
540 | ||
541 | /* Entry point name for arbitrary subsystem numbers. */ | |
542 | static const char default_entry[] = "mainCRTStartup"; | |
543 | ||
0e1862bb | 544 | if (bfd_link_pic (&link_info) || dll) |
decfa41e KT |
545 | { |
546 | #if defined (TARGET_IS_i386pe) | |
547 | entry = "DllMainCRTStartup@12"; | |
548 | #else | |
549 | entry = "DllMainCRTStartup"; | |
550 | #endif | |
551 | } | |
552 | else | |
553 | { | |
decfa41e | 554 | for (i = 0; v[i].entry; i++) |
6c19b93b AM |
555 | if (v[i].value == pe_subsystem) |
556 | break; | |
decfa41e KT |
557 | |
558 | /* If no match, use the default. */ | |
559 | if (v[i].entry != NULL) | |
6c19b93b | 560 | entry = v[i].entry; |
decfa41e | 561 | else |
6c19b93b | 562 | entry = default_entry; |
decfa41e KT |
563 | } |
564 | ||
d74720d2 | 565 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 566 | |
decfa41e KT |
567 | if (*initial_symbol_char != '\0') |
568 | { | |
569 | char *alc_entry; | |
570 | ||
571 | /* lang_default_entry expects its argument to be permanently | |
572 | allocated, so we don't free this string. */ | |
573 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
574 | + strlen (entry) | |
575 | + 1); | |
576 | strcpy (alc_entry, initial_symbol_char); | |
577 | strcat (alc_entry, entry); | |
578 | entry = alc_entry; | |
579 | } | |
580 | ||
581 | lang_default_entry (entry); | |
582 | } | |
252b5132 RH |
583 | |
584 | static void | |
0c7a8e5a | 585 | set_pe_subsystem (void) |
252b5132 RH |
586 | { |
587 | const char *sver; | |
33f362e1 | 588 | char *end; |
252b5132 RH |
589 | int len; |
590 | int i; | |
33f362e1 | 591 | unsigned long temp_subsystem; |
3fc90ddb | 592 | static const struct |
252b5132 RH |
593 | { |
594 | const char *name; | |
595 | const int value; | |
252b5132 RH |
596 | } |
597 | v[] = | |
598 | { | |
decfa41e KT |
599 | { "native", 1}, |
600 | { "windows", 2}, | |
601 | { "console", 3}, | |
602 | { "posix", 7}, | |
603 | { "wince", 9}, | |
604 | { "xbox", 14}, | |
605 | { NULL, 0 } | |
252b5132 RH |
606 | }; |
607 | ||
33f362e1 | 608 | /* Check for the presence of a version number. */ |
252b5132 RH |
609 | sver = strchr (optarg, ':'); |
610 | if (sver == NULL) | |
611 | len = strlen (optarg); | |
612 | else | |
613 | { | |
252b5132 RH |
614 | len = sver - optarg; |
615 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 616 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
617 | if (*end == '.') |
618 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 619 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
620 | if (*end != '\0') |
621 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
622 | } | |
623 | ||
33f362e1 NC |
624 | /* Check for numeric subsystem. */ |
625 | temp_subsystem = strtoul (optarg, & end, 0); | |
626 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 627 | { |
33f362e1 NC |
628 | /* Search list for a numeric match to use its entry point. */ |
629 | for (i = 0; v[i].name; i++) | |
630 | if (v[i].value == (int) temp_subsystem) | |
631 | break; | |
632 | ||
33f362e1 | 633 | /* Use this subsystem. */ |
decfa41e | 634 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
635 | } |
636 | else | |
637 | { | |
638 | /* Search for subsystem by name. */ | |
639 | for (i = 0; v[i].name; i++) | |
640 | if (strncmp (optarg, v[i].name, len) == 0 | |
641 | && v[i].name[len] == '\0') | |
642 | break; | |
252b5132 | 643 | |
33f362e1 NC |
644 | if (v[i].name == NULL) |
645 | { | |
df5f2391 | 646 | einfo (_("%F%P: invalid subsystem type %s\n"), optarg); |
252b5132 RH |
647 | return; |
648 | } | |
33f362e1 | 649 | |
decfa41e | 650 | pe_subsystem = v[i].value; |
252b5132 | 651 | } |
3fc90ddb | 652 | |
decfa41e | 653 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
654 | |
655 | return; | |
252b5132 RH |
656 | } |
657 | ||
658 | ||
252b5132 | 659 | static void |
0c7a8e5a | 660 | set_pe_value (char *name) |
252b5132 RH |
661 | { |
662 | char *end; | |
3fc90ddb | 663 | |
252b5132 | 664 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 665 | |
252b5132 | 666 | if (end == optarg) |
df5f2391 | 667 | einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg); |
252b5132 RH |
668 | |
669 | optarg = end; | |
670 | } | |
671 | ||
4cd89863 | 672 | |
252b5132 | 673 | static void |
0c7a8e5a | 674 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
675 | { |
676 | set_pe_value (resname); | |
3fc90ddb | 677 | |
252b5132 RH |
678 | if (*optarg == ',') |
679 | { | |
680 | optarg++; | |
681 | set_pe_value (comname); | |
682 | } | |
683 | else if (*optarg) | |
df5f2391 | 684 | einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg); |
252b5132 RH |
685 | } |
686 | ||
61e2488c | 687 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 688 | |
3bcf5557 | 689 | static bfd_boolean |
0c7a8e5a | 690 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 691 | { |
252b5132 RH |
692 | switch (optc) |
693 | { | |
694 | default: | |
3bcf5557 | 695 | return FALSE; |
252b5132 RH |
696 | |
697 | case OPTION_BASE_FILE: | |
0c7a8e5a | 698 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 699 | if (link_info.base_file == NULL) |
e922bcab | 700 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
701 | break; |
702 | ||
4cd89863 | 703 | /* PE options. */ |
3fc90ddb | 704 | case OPTION_HEAP: |
252b5132 RH |
705 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
706 | break; | |
3fc90ddb | 707 | case OPTION_STACK: |
252b5132 RH |
708 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
709 | break; | |
710 | case OPTION_SUBSYSTEM: | |
711 | set_pe_subsystem (); | |
712 | break; | |
713 | case OPTION_MAJOR_OS_VERSION: | |
714 | set_pe_value ("__major_os_version__"); | |
715 | break; | |
716 | case OPTION_MINOR_OS_VERSION: | |
717 | set_pe_value ("__minor_os_version__"); | |
718 | break; | |
719 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
720 | set_pe_value ("__major_subsystem_version__"); | |
721 | break; | |
722 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
723 | set_pe_value ("__minor_subsystem_version__"); | |
724 | break; | |
725 | case OPTION_MAJOR_IMAGE_VERSION: | |
726 | set_pe_value ("__major_image_version__"); | |
727 | break; | |
728 | case OPTION_MINOR_IMAGE_VERSION: | |
729 | set_pe_value ("__minor_image_version__"); | |
730 | break; | |
731 | case OPTION_FILE_ALIGNMENT: | |
732 | set_pe_value ("__file_alignment__"); | |
733 | break; | |
734 | case OPTION_SECTION_ALIGNMENT: | |
735 | set_pe_value ("__section_alignment__"); | |
736 | break; | |
737 | case OPTION_DLL: | |
738 | set_pe_name ("__dll__", 1); | |
739 | break; | |
740 | case OPTION_IMAGE_BASE: | |
741 | set_pe_value ("__image_base__"); | |
742 | break; | |
743 | case OPTION_SUPPORT_OLD_CODE: | |
744 | support_old_code = 1; | |
745 | break; | |
6f798e5c NC |
746 | case OPTION_THUMB_ENTRY: |
747 | thumb_entry_symbol = optarg; | |
748 | break; | |
ce11ba6c KT |
749 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
750 | pe_use_nul_prefixed_import_tables = TRUE; | |
751 | break; | |
522f09cd KT |
752 | case OPTION_NO_LEADING_UNDERSCORE: |
753 | pe_leading_underscore = 0; | |
754 | break; | |
755 | case OPTION_LEADING_UNDERSCORE: | |
756 | pe_leading_underscore = 1; | |
757 | break; | |
0cb112f7 CF |
758 | case OPTION_INSERT_TIMESTAMP: |
759 | insert_timestamp = TRUE; | |
760 | break; | |
eeb14e5a LZ |
761 | case OPTION_NO_INSERT_TIMESTAMP: |
762 | insert_timestamp = FALSE; | |
763 | break; | |
c6c37250 | 764 | #ifdef DLL_SUPPORT |
252b5132 RH |
765 | case OPTION_OUT_DEF: |
766 | pe_out_def_filename = xstrdup (optarg); | |
767 | break; | |
768 | case OPTION_EXPORT_ALL: | |
769 | pe_dll_export_everything = 1; | |
770 | break; | |
771 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 772 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 773 | break; |
2927aaca NC |
774 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
775 | pe_dll_exclude_all_symbols = 1; | |
776 | break; | |
70b0be79 | 777 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
778 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
779 | break; | |
780 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
781 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
782 | break; |
783 | case OPTION_KILL_ATS: | |
784 | pe_dll_kill_ats = 1; | |
785 | break; | |
786 | case OPTION_STDCALL_ALIASES: | |
787 | pe_dll_stdcall_aliases = 1; | |
788 | break; | |
789 | case OPTION_ENABLE_STDCALL_FIXUP: | |
790 | pe_enable_stdcall_fixup = 1; | |
791 | break; | |
792 | case OPTION_DISABLE_STDCALL_FIXUP: | |
793 | pe_enable_stdcall_fixup = 0; | |
794 | break; | |
870df5dc NC |
795 | case OPTION_WARN_DUPLICATE_EXPORTS: |
796 | pe_dll_warn_dup_exports = 1; | |
797 | break; | |
798 | case OPTION_IMP_COMPAT: | |
799 | pe_dll_compat_implib = 1; | |
800 | break; | |
5f577f7d DD |
801 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
802 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
803 | if (optarg && *optarg) |
804 | { | |
805 | char *end; | |
61e2488c | 806 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
807 | /* XXX should check that we actually parsed something */ |
808 | } | |
5f577f7d DD |
809 | break; |
810 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
811 | pe_enable_auto_image_base = 0; | |
812 | break; | |
627427de | 813 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 814 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 815 | break; |
1122a5fc NC |
816 | case OPTION_NO_DEFAULT_EXCLUDES: |
817 | pe_dll_do_default_excludes = 0; | |
818 | break; | |
decc3638 | 819 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 820 | link_info.pei386_auto_import = 1; |
decc3638 CW |
821 | break; |
822 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 823 | link_info.pei386_auto_import = 0; |
decc3638 | 824 | break; |
2fa9fc65 | 825 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
826 | link_info.pei386_runtime_pseudo_reloc = |
827 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 828 | break; |
6cb442d3 KT |
829 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
830 | link_info.pei386_runtime_pseudo_reloc = 1; | |
831 | break; | |
832 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
833 | link_info.pei386_runtime_pseudo_reloc = 2; | |
834 | break; | |
2fa9fc65 NC |
835 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
836 | link_info.pei386_runtime_pseudo_reloc = 0; | |
837 | break; | |
decc3638 CW |
838 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
839 | pe_dll_extra_pe_debug = 1; | |
840 | break; | |
c6c37250 | 841 | #endif |
26d2d8a2 BF |
842 | case OPTION_LARGE_ADDRESS_AWARE: |
843 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
844 | break; | |
f69a2f97 NC |
845 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
846 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
847 | break; | |
88183869 DK |
848 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
849 | pe_use_coff_long_section_names = 1; | |
850 | break; | |
851 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
852 | pe_use_coff_long_section_names = 0; | |
853 | break; | |
2f563b51 DK |
854 | /* Get DLLCharacteristics bits */ |
855 | case OPTION_DYNAMIC_BASE: | |
856 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
857 | break; | |
858 | case OPTION_FORCE_INTEGRITY: | |
859 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
860 | break; | |
861 | case OPTION_NX_COMPAT: | |
862 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
863 | break; | |
864 | case OPTION_NO_ISOLATION: | |
865 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
866 | break; | |
867 | case OPTION_NO_SEH: | |
868 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
869 | break; | |
870 | case OPTION_NO_BIND: | |
871 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
872 | break; | |
873 | case OPTION_WDM_DRIVER: | |
874 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
875 | break; | |
876 | case OPTION_TERMINAL_SERVER_AWARE: | |
877 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
878 | break; | |
61e2488c JT |
879 | case OPTION_BUILD_ID: |
880 | if (emit_build_id != NULL) | |
881 | { | |
882 | free ((char *) emit_build_id); | |
883 | emit_build_id = NULL; | |
884 | } | |
885 | if (optarg == NULL) | |
886 | optarg = DEFAULT_BUILD_ID_STYLE; | |
887 | if (strcmp (optarg, "none")) | |
888 | emit_build_id = xstrdup (optarg); | |
889 | break; | |
252b5132 | 890 | } |
2f563b51 DK |
891 | |
892 | /* Set DLLCharacteristics bits */ | |
893 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
894 | ||
3bcf5557 | 895 | return TRUE; |
252b5132 RH |
896 | } |
897 | \f | |
5f577f7d | 898 | |
2ef53d66 | 899 | #ifdef DLL_SUPPORT |
3fc90ddb | 900 | static unsigned long |
5f577f7d DD |
901 | strhash (const char *str) |
902 | { | |
903 | const unsigned char *s; | |
904 | unsigned long hash; | |
905 | unsigned int c; | |
906 | unsigned int len; | |
907 | ||
908 | hash = 0; | |
909 | len = 0; | |
910 | s = (const unsigned char *) str; | |
911 | while ((c = *s++) != '\0') | |
912 | { | |
913 | hash += c + (c << 17); | |
914 | hash ^= hash >> 2; | |
915 | ++len; | |
916 | } | |
917 | hash += len + (len << 17); | |
918 | hash ^= hash >> 2; | |
919 | ||
920 | return hash; | |
921 | } | |
922 | ||
4cd89863 NC |
923 | /* Use the output file to create a image base for relocatable DLLs. */ |
924 | ||
5f577f7d DD |
925 | static unsigned long |
926 | compute_dll_image_base (const char *ofile) | |
927 | { | |
928 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 929 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 930 | } |
2ef53d66 | 931 | #endif |
5f577f7d | 932 | |
252b5132 RH |
933 | /* Assign values to the special symbols before the linker script is |
934 | read. */ | |
935 | ||
936 | static void | |
0c7a8e5a | 937 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
938 | { |
939 | /* Run through and invent symbols for all the | |
4cd89863 | 940 | names and insert the defaults. */ |
d74720d2 | 941 | int j; |
b804e4af | 942 | |
d74720d2 | 943 | is_underscoring (); |
252b5132 RH |
944 | |
945 | if (!init[IMAGEBASEOFF].inited) | |
946 | { | |
0e1862bb | 947 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 948 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 949 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 950 | { |
2ef53d66 | 951 | #ifdef DLL_SUPPORT |
d127ecce AM |
952 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
953 | ? compute_dll_image_base (output_filename) | |
954 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 955 | #else |
d127ecce | 956 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 957 | #endif |
d127ecce | 958 | } |
252b5132 RH |
959 | else |
960 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 961 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
962 | } |
963 | ||
1049f94e | 964 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 965 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
966 | return; |
967 | ||
4cd89863 | 968 | /* Glue the assignments into the abs section. */ |
bde18da4 | 969 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
970 | |
971 | for (j = 0; init[j].ptr; j++) | |
972 | { | |
973 | long val = init[j].value; | |
974 | lang_assignment_statement_type *rv; | |
522f09cd | 975 | |
2e57b2af | 976 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
eb8476a6 | 977 | exp_intop (val), FALSE)); |
939ba9d0 NC |
978 | if (init[j].size == sizeof (short)) |
979 | *(short *) init[j].ptr = val; | |
980 | else if (init[j].size == sizeof (int)) | |
981 | *(int *) init[j].ptr = val; | |
982 | else if (init[j].size == sizeof (long)) | |
983 | *(long *) init[j].ptr = val; | |
252b5132 | 984 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
985 | else if (init[j].size == sizeof (bfd_vma)) |
986 | *(bfd_vma *) init[j].ptr = val; | |
987 | else abort (); | |
252b5132 RH |
988 | if (j == IMAGEBASEOFF) |
989 | image_base_statement = rv; | |
990 | } | |
4cd89863 | 991 | /* Restore the pointer. */ |
bde18da4 | 992 | pop_stat_ptr (); |
3fc90ddb | 993 | |
d127ecce | 994 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 | 995 | { |
df5f2391 | 996 | einfo (_("%P: warning, file alignment > section alignment\n")); |
252b5132 RH |
997 | } |
998 | } | |
999 | ||
1000 | /* This is called after the linker script and the command line options | |
1001 | have been read. */ | |
1002 | ||
1003 | static void | |
0c7a8e5a | 1004 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1005 | { |
8b747e1a DK |
1006 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1007 | option hoping it will work on PE. */ | |
1008 | if (link_info.export_dynamic) | |
1009 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1010 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1011 | |
decfa41e KT |
1012 | set_entry_point (); |
1013 | ||
97b11f40 | 1014 | after_parse_default (); |
252b5132 RH |
1015 | } |
1016 | ||
2ef53d66 | 1017 | #ifdef DLL_SUPPORT |
252b5132 RH |
1018 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1019 | ||
b34976b6 | 1020 | static bfd_boolean |
0c7a8e5a | 1021 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1022 | { |
decc3638 | 1023 | int sl; |
0c7a8e5a | 1024 | char *string = inf; |
8a9eab9b | 1025 | const char *hs = h->root.string; |
4cd89863 | 1026 | |
0c7a8e5a | 1027 | sl = strlen (string); |
252b5132 | 1028 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1029 | && ((*hs == '@' && *string == '_' |
1030 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1031 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1032 | && h->root.string[sl] == '@') |
decc3638 CW |
1033 | { |
1034 | pe_undef_found_sym = h; | |
b34976b6 | 1035 | return FALSE; |
decc3638 | 1036 | } |
b34976b6 | 1037 | return TRUE; |
252b5132 RH |
1038 | } |
1039 | ||
67f101ee NC |
1040 | /* Change UNDEF to a defined symbol, taking data from SYM. */ |
1041 | ||
1042 | static void | |
1043 | change_undef (struct bfd_link_hash_entry * undef, | |
1044 | struct bfd_link_hash_entry * sym) | |
1045 | { | |
1046 | static bfd_boolean gave_warning_message = FALSE; | |
1047 | ||
1048 | undef->type = bfd_link_hash_defined; | |
1049 | undef->u.def.value = sym->u.def.value; | |
1050 | undef->u.def.section = sym->u.def.section; | |
1051 | ||
1052 | if (pe_enable_stdcall_fixup == -1) | |
1053 | { | |
df5f2391 | 1054 | einfo (_("%P: warning: resolving %s by linking to %s\n"), |
67f101ee NC |
1055 | undef->root.string, sym->root.string); |
1056 | ||
1057 | if (! gave_warning_message) | |
1058 | { | |
1059 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
1060 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
1061 | gave_warning_message = TRUE; | |
1062 | } | |
1063 | } | |
1064 | ||
1065 | /* PR 19803: Make sure that the linked symbol is not garbage collected. */ | |
1066 | lang_add_gc_name (sym->root.string); | |
1067 | } | |
1068 | ||
252b5132 | 1069 | static void |
0c7a8e5a | 1070 | pe_fixup_stdcalls (void) |
252b5132 | 1071 | { |
252b5132 | 1072 | struct bfd_link_hash_entry *undef, *sym; |
c9e38879 | 1073 | |
3fc90ddb | 1074 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1075 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1076 | |
f6e332e6 | 1077 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1078 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1079 | { |
67f101ee NC |
1080 | const char * name = undef->root.string; |
1081 | char * at; | |
1082 | int lead_at = (*name == '@'); | |
1083 | ||
8a9eab9b | 1084 | if (lead_at) |
67f101ee NC |
1085 | at = strchr (name + 1, '@'); |
1086 | else | |
1087 | at = strchr (name, '@'); | |
b34976b6 | 1088 | |
8a9eab9b | 1089 | if (at || lead_at) |
c9e38879 NC |
1090 | { |
1091 | /* The symbol is a stdcall symbol, so let's look for a | |
1092 | cdecl symbol with the same name and resolve to that. */ | |
67f101ee | 1093 | char *cname = xstrdup (name); |
8a9eab9b KT |
1094 | |
1095 | if (lead_at) | |
1096 | *cname = '_'; | |
6c19b93b | 1097 | if (at) |
67f101ee NC |
1098 | * strchr (cname, '@') = 0; |
1099 | sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE); | |
c9e38879 NC |
1100 | |
1101 | if (sym && sym->type == bfd_link_hash_defined) | |
67f101ee | 1102 | change_undef (undef, sym); |
c9e38879 NC |
1103 | } |
1104 | else | |
1105 | { | |
1106 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1107 | symbols - which means scanning the whole symbol table. */ |
67f101ee | 1108 | pe_undef_found_sym = NULL; |
c9e38879 | 1109 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
67f101ee NC |
1110 | (char *) name); |
1111 | if (pe_undef_found_sym) | |
1112 | change_undef (undef, pe_undef_found_sym); | |
c9e38879 | 1113 | } |
252b5132 | 1114 | } |
252b5132 | 1115 | } |
decc3638 | 1116 | |
317ff008 EB |
1117 | static void |
1118 | make_import_fixup (arelent *rel, asection *s, char *name, const char *symname) | |
decc3638 | 1119 | { |
fc0a2244 | 1120 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1121 | char addend[4]; |
317ff008 | 1122 | bfd_vma _addend; |
decc3638 | 1123 | |
3fc90ddb | 1124 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1125 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1126 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1127 | |
c99b8138 | 1128 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
df5f2391 | 1129 | einfo (_("%P: %C: cannot get section contents - auto-import exception\n"), |
c9e38879 | 1130 | s->owner, s, rel->address); |
0d888aac | 1131 | |
317ff008 EB |
1132 | _addend = bfd_get_32 (s->owner, addend); |
1133 | pe_create_import_fixup (rel, s, _addend, name, symname); | |
decc3638 | 1134 | } |
252b5132 | 1135 | |
b34976b6 | 1136 | static bfd_boolean |
0c7a8e5a | 1137 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1138 | { |
80cc85a9 | 1139 | printf ("+%s\n", h->string); |
c9e38879 | 1140 | |
b34976b6 | 1141 | return TRUE; |
decc3638 | 1142 | } |
4b83d615 | 1143 | #endif /* DLL_SUPPORT */ |
decc3638 | 1144 | |
e4492aa0 | 1145 | static void |
3efd345c DK |
1146 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1147 | { | |
1148 | int *found = (int *) obj; | |
1149 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1150 | *found = 1; | |
1151 | } | |
decc3638 | 1152 | |
61e2488c JT |
1153 | static bfd_boolean |
1154 | pecoff_checksum_contents (bfd *abfd, | |
1155 | void (*process) (const void *, size_t, void *), | |
1156 | void *arg) | |
1157 | { | |
1158 | file_ptr filepos = (file_ptr) 0; | |
1159 | ||
1160 | while (1) | |
1161 | { | |
1162 | unsigned char b; | |
1163 | int status; | |
1164 | ||
1165 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1166 | return 0; | |
1167 | ||
1168 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1169 | if (status < 1) | |
6c19b93b AM |
1170 | { |
1171 | break; | |
1172 | } | |
61e2488c JT |
1173 | |
1174 | (*process) (&b, 1, arg); | |
1175 | filepos += 1; | |
1176 | } | |
1177 | ||
1178 | return TRUE; | |
1179 | } | |
1180 | ||
1181 | static bfd_boolean | |
1182 | write_build_id (bfd *abfd) | |
1183 | { | |
1184 | struct pe_tdata *t = pe_data (abfd); | |
1185 | asection *asec; | |
1186 | struct bfd_link_order *link_order = NULL; | |
1187 | unsigned char *contents; | |
1188 | bfd_size_type size; | |
1189 | bfd_size_type build_id_size; | |
1190 | unsigned char *build_id; | |
1191 | ||
74fffc39 | 1192 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1193 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1194 | { | |
1195 | struct bfd_link_order *l = NULL; | |
1196 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
6c19b93b AM |
1197 | { |
1198 | if (l->type == bfd_indirect_link_order) | |
1199 | { | |
1200 | if (l->u.indirect.section == t->build_id.sec) | |
1201 | { | |
1202 | link_order = l; | |
1203 | break; | |
1204 | } | |
1205 | } | |
1206 | } | |
61e2488c JT |
1207 | |
1208 | if (link_order) | |
6c19b93b | 1209 | break; |
61e2488c JT |
1210 | } |
1211 | ||
1212 | if (!link_order) | |
1213 | { | |
74fffc39 | 1214 | einfo (_("%P: warning: .buildid section discarded," |
df5f2391 | 1215 | " --build-id ignored\n")); |
61e2488c JT |
1216 | return TRUE; |
1217 | } | |
1218 | ||
1219 | if (t->build_id.sec->contents == NULL) | |
1220 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1221 | contents = t->build_id.sec->contents; | |
1222 | size = t->build_id.sec->size; | |
1223 | ||
1224 | build_id_size = compute_build_id_size (t->build_id.style); | |
1225 | build_id = xmalloc (build_id_size); | |
1226 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1227 | ||
1228 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1229 | ||
1230 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1231 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1232 | idd.Characteristics = 0; | |
1233 | idd.TimeDateStamp = 0; | |
1234 | idd.MajorVersion = 0; | |
1235 | idd.MinorVersion = 0; | |
1236 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1237 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1238 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1239 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1240 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1241 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1242 | ||
1243 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1244 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1245 | ||
1246 | /* Write the debug directory entry. */ | |
1247 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1248 | return 0; | |
1249 | ||
b6518b38 | 1250 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1251 | return 0; |
1252 | ||
1253 | /* Construct the CodeView record. */ | |
1254 | CODEVIEW_INFO cvinfo; | |
1255 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1256 | cvinfo.Age = 1; | |
1257 | ||
1258 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1259 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1260 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1261 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1262 | ||
1263 | free (build_id); | |
1264 | ||
1265 | /* Write the codeview record. */ | |
1266 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1267 | return 0; | |
1268 | ||
1269 | /* Record the location of the debug directory in the data directory. */ | |
1270 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1271 | = asec->vma - ib + link_order->offset; | |
1272 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1273 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1274 | ||
1275 | return TRUE; | |
1276 | } | |
1277 | ||
74fffc39 | 1278 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
61e2488c JT |
1279 | static bfd_boolean |
1280 | setup_build_id (bfd *ibfd) | |
1281 | { | |
1282 | asection *s; | |
1283 | flagword flags; | |
1284 | ||
1285 | if (!validate_build_id_style (emit_build_id)) | |
1286 | { | |
df5f2391 | 1287 | einfo (_("%P: warning: unrecognized --build-id style ignored\n")); |
61e2488c JT |
1288 | return FALSE; |
1289 | } | |
1290 | ||
1291 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1292 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1293 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1294 | if (s != NULL) |
1295 | { | |
1296 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1297 | t->build_id.after_write_object_contents = &write_build_id; | |
1298 | t->build_id.style = emit_build_id; | |
1299 | t->build_id.sec = s; | |
1300 | ||
1301 | /* Section is a fixed size: | |
1302 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1303 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1304 | null byte for PdbFileName. */ | |
1305 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1306 | + sizeof (CV_INFO_PDB70) + 1; | |
1307 | ||
1308 | return TRUE; | |
1309 | } | |
1310 | ||
df5f2391 AM |
1311 | einfo (_("%P: warning: cannot create .buildid section," |
1312 | " --build-id ignored\n")); | |
61e2488c JT |
1313 | return FALSE; |
1314 | } | |
1315 | ||
252b5132 | 1316 | static void |
0c7a8e5a | 1317 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1318 | { |
5c3049d2 AM |
1319 | after_open_default (); |
1320 | ||
4b83d615 | 1321 | #ifdef DLL_SUPPORT |
3fc90ddb | 1322 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1323 | { |
1324 | bfd *a; | |
1325 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1326 | |
decc3638 CW |
1327 | printf ("%s()\n", __FUNCTION__); |
1328 | ||
f6e332e6 | 1329 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1330 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1331 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1332 | |
c72f2fb2 | 1333 | for (a = link_info.input_bfds; a; a = a->link.next) |
c9e38879 | 1334 | printf ("*%s\n",a->filename); |
decc3638 | 1335 | } |
4b83d615 | 1336 | #endif |
3fc90ddb | 1337 | |
61e2488c JT |
1338 | if (emit_build_id != NULL) |
1339 | { | |
1340 | bfd *abfd; | |
1341 | ||
1342 | /* Find a COFF input. */ | |
1343 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1344 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1345 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1346 | break; | |
1347 | ||
1348 | /* If there are no COFF input files do not try to | |
1349 | add a build-id section. */ | |
1350 | if (abfd == NULL | |
1351 | || !setup_build_id (abfd)) | |
1352 | { | |
1353 | free ((char *) emit_build_id); | |
1354 | emit_build_id = NULL; | |
1355 | } | |
1356 | } | |
1357 | ||
252b5132 RH |
1358 | /* Pass the wacky PE command line options into the output bfd. |
1359 | FIXME: This should be done via a function, rather than by | |
1360 | including an internal BFD header. */ | |
3fc90ddb | 1361 | |
eabf307f AM |
1362 | if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour |
1363 | || coff_data (link_info.output_bfd) == NULL | |
f13a99db | 1364 | || coff_data (link_info.output_bfd)->pe == 0) |
df5f2391 | 1365 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"), |
f13a99db | 1366 | link_info.output_bfd); |
252b5132 | 1367 | |
f13a99db AM |
1368 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1369 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1370 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
0cb112f7 | 1371 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
3efd345c DK |
1372 | |
1373 | /* At this point we must decide whether to use long section names | |
1374 | in the output or not. If the user hasn't explicitly specified | |
1375 | on the command line, we leave it to the default for the format | |
1376 | (object files yes, image files no), except if there is debug | |
1377 | information present; GDB relies on the long section names to | |
1378 | find it, so enable it in that case. */ | |
1379 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1380 | { | |
0e1862bb | 1381 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1382 | pe_use_coff_long_section_names = 1; |
1383 | else | |
3efd345c | 1384 | { |
61e2488c JT |
1385 | /* Iterate over all sections of all input BFDs, checking |
1386 | for any that begin 'debug_' and are long names. */ | |
1387 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1388 | { | |
1389 | int found_debug = 0; | |
1390 | ||
1391 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1392 | if (found_debug) | |
1393 | { | |
1394 | pe_use_coff_long_section_names = 1; | |
1395 | break; | |
1396 | } | |
1397 | } | |
3efd345c DK |
1398 | } |
1399 | } | |
1400 | ||
88183869 | 1401 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1402 | |
c6c37250 | 1403 | #ifdef DLL_SUPPORT |
f13a99db | 1404 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1405 | |
317ff008 EB |
1406 | if (link_info.pei386_auto_import) /* -1=warn or 1=enable */ |
1407 | pe_find_data_imports (U ("_head_"), make_import_fixup); | |
decc3638 | 1408 | |
317ff008 EB |
1409 | /* The implementation of the feature is rather dumb and would cause the |
1410 | compilation time to go through the roof if there are many undefined | |
1411 | symbols in the link, so it needs to be run after auto-import. */ | |
1412 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */ | |
8a9eab9b KT |
1413 | pe_fixup_stdcalls (); |
1414 | ||
7148cc28 NC |
1415 | #if defined (TARGET_IS_i386pe) \ |
1416 | || defined (TARGET_IS_armpe) \ | |
7148cc28 | 1417 | || defined (TARGET_IS_arm_wince_pe) |
0e1862bb | 1418 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1419 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1420 | #else |
0e1862bb | 1421 | if (bfd_link_pic (&link_info)) |
f13a99db | 1422 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1423 | else |
1424 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1425 | #endif |
7148cc28 | 1426 | #endif /* DLL_SUPPORT */ |
252b5132 | 1427 | |
ddb00039 | 1428 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1429 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1430 | { |
1431 | /* The arm backend needs special fields in the output hash structure. | |
1432 | These will only be created if the output format is an arm format, | |
1433 | hence we do not support linking and changing output formats at the | |
1434 | same time. Use a link followed by objcopy to change output formats. */ | |
df5f2391 AM |
1435 | einfo (_("%F%P: error: cannot change output format " |
1436 | "whilst linking %s binaries\n"), "ARM"); | |
f11523b0 NC |
1437 | return; |
1438 | } | |
252b5132 RH |
1439 | { |
1440 | /* Find a BFD that can hold the interworking stubs. */ | |
1441 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1442 | { | |
7148cc28 | 1443 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1444 | break; |
1445 | } | |
1446 | } | |
1447 | #endif | |
c6c37250 | 1448 | |
486e80e2 | 1449 | { |
486e80e2 DD |
1450 | /* This next chunk of code tries to detect the case where you have |
1451 | two import libraries for the same DLL (specifically, | |
1452 | symbolically linking libm.a and libc.a in cygwin to | |
1453 | libcygwin.a). In those cases, it's possible for function | |
1454 | thunks from the second implib to be used but without the | |
1455 | head/tail objects, causing an improper import table. We detect | |
1456 | those cases and rename the "other" import libraries to match | |
1457 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1458 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1459 | |
1460 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1461 | { | |
1462 | if (is->the_bfd->my_archive) | |
1463 | { | |
1464 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1465 | asection *sec; | |
3fc90ddb | 1466 | |
6e45556a | 1467 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1468 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1469 | { | |
1470 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1471 | idata2 = 1; | |
0112cd26 | 1472 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1473 | is_imp = 1; |
1474 | reloc_count += sec->reloc_count; | |
1475 | } | |
3fc90ddb | 1476 | |
486e80e2 DD |
1477 | if (is_imp && !idata2 && reloc_count) |
1478 | { | |
6e45556a NC |
1479 | /* It is, look for the reference to head and see if it's |
1480 | from our own library. */ | |
486e80e2 DD |
1481 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1482 | { | |
1483 | int i; | |
6e45556a | 1484 | long relsize; |
102c86f8 | 1485 | asymbol **symbols; |
102c86f8 NC |
1486 | arelent **relocs; |
1487 | int nrelocs; | |
3fc90ddb | 1488 | |
102c86f8 | 1489 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1490 | if (relsize < 1) |
1491 | break; | |
3fc90ddb | 1492 | |
5c1d2f5f | 1493 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1494 | { |
df5f2391 | 1495 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f | 1496 | is->the_bfd); |
6e45556a NC |
1497 | return; |
1498 | } | |
5c1d2f5f | 1499 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1500 | |
d127ecce | 1501 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1502 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1503 | relocs, symbols); |
6e45556a NC |
1504 | if (nrelocs < 0) |
1505 | { | |
1506 | free (relocs); | |
d003af55 | 1507 | einfo (_("%X%P: unable to process relocs: %E\n")); |
6e45556a NC |
1508 | return; |
1509 | } | |
3fc90ddb | 1510 | |
6e45556a | 1511 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1512 | { |
fc0a2244 | 1513 | struct bfd_symbol *s; |
6e45556a | 1514 | struct bfd_link_hash_entry * blhe; |
b16c44de | 1515 | const char *other_bfd_filename; |
6e45556a | 1516 | char *n; |
3fc90ddb | 1517 | |
486e80e2 | 1518 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1519 | |
6e45556a NC |
1520 | if (s->flags & BSF_LOCAL) |
1521 | continue; | |
3fc90ddb | 1522 | |
6e45556a NC |
1523 | /* Thunk section with reloc to another bfd. */ |
1524 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1525 | s->name, | |
b34976b6 | 1526 | FALSE, FALSE, TRUE); |
3fc90ddb | 1527 | |
6e45556a NC |
1528 | if (blhe == NULL |
1529 | || blhe->type != bfd_link_hash_defined) | |
1530 | continue; | |
3fc90ddb | 1531 | |
2a08daf3 DS |
1532 | other_bfd_filename |
1533 | = blhe->u.def.section->owner->my_archive | |
1534 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1535 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1536 | |
42627821 KT |
1537 | if (filename_cmp (bfd_get_filename |
1538 | (is->the_bfd->my_archive), | |
1539 | other_bfd_filename) == 0) | |
6e45556a | 1540 | continue; |
3fc90ddb | 1541 | |
c034e3e0 | 1542 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1543 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1544 | strcpy (n, other_bfd_filename); | |
90d92a63 | 1545 | bfd_set_filename (is->the_bfd->my_archive, n); |
486e80e2 DD |
1546 | } |
1547 | ||
1548 | free (relocs); | |
6e45556a NC |
1549 | /* Note - we do not free the symbols, |
1550 | they are now cached in the BFD. */ | |
486e80e2 DD |
1551 | } |
1552 | } | |
1553 | } | |
1554 | } | |
1555 | } | |
1556 | ||
c6c37250 | 1557 | { |
f0c87f88 | 1558 | int is_ms_arch = 0; |
1069dd8d | 1559 | bfd *cur_arch = 0; |
c6c37250 | 1560 | lang_input_statement_type *is2; |
44dbf363 | 1561 | lang_input_statement_type *is3; |
1069dd8d | 1562 | |
c6c37250 DD |
1563 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1564 | /* Microsoft import libraries have every member named the same, | |
1565 | and not in the right order for us to link them correctly. We | |
1566 | must detect these and rename the members so that they'll link | |
1567 | correctly. There are three types of objects: the head, the | |
1568 | thunks, and the sentinel(s). The head is easy; it's the one | |
1569 | with idata2. We assume that the sentinels won't have relocs, | |
1570 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1571 | table for external references. */ |
c6c37250 DD |
1572 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1573 | { | |
1574 | if (is->the_bfd->my_archive) | |
1575 | { | |
44dbf363 | 1576 | char *pnt; |
c6c37250 | 1577 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1578 | |
c6c37250 DD |
1579 | if (cur_arch != arch) |
1580 | { | |
1581 | cur_arch = arch; | |
1582 | is_ms_arch = 1; | |
44dbf363 NC |
1583 | |
1584 | for (is3 = is; | |
1585 | is3 && is3->the_bfd->my_archive == arch; | |
1586 | is3 = (lang_input_statement_type *) is3->next) | |
1587 | { | |
1af699f4 | 1588 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1589 | members, so look for the first element with a .dll |
1590 | extension, and use that for the remainder of the | |
1591 | comparisons. */ | |
1592 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
42627821 | 1593 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1594 | break; |
44dbf363 NC |
1595 | } |
1596 | ||
1597 | if (is3 == NULL) | |
1598 | is_ms_arch = 0; | |
1599 | else | |
c6c37250 | 1600 | { |
44dbf363 NC |
1601 | /* OK, found one. Now look to see if the remaining |
1602 | (dynamic import) members use the same name. */ | |
1603 | for (is2 = is; | |
1604 | is2 && is2->the_bfd->my_archive == arch; | |
1605 | is2 = (lang_input_statement_type *) is2->next) | |
1606 | { | |
1607 | /* Skip static members, ie anything with a .obj | |
1608 | extension. */ | |
1609 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
42627821 | 1610 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1611 | continue; |
1612 | ||
42627821 KT |
1613 | if (filename_cmp (is3->the_bfd->filename, |
1614 | is2->the_bfd->filename)) | |
44dbf363 NC |
1615 | { |
1616 | is_ms_arch = 0; | |
1617 | break; | |
1618 | } | |
1619 | } | |
c6c37250 DD |
1620 | } |
1621 | } | |
1622 | ||
44dbf363 NC |
1623 | /* This fragment might have come from an .obj file in a Microsoft |
1624 | import, and not an actual import record. If this is the case, | |
1625 | then leave the filename alone. */ | |
1626 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1627 | ||
42627821 | 1628 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1629 | { |
1069dd8d | 1630 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1631 | asection *sec; |
1632 | char *new_name, seq; | |
1069dd8d | 1633 | |
c6c37250 DD |
1634 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1635 | { | |
1636 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1637 | idata2 = 1; | |
1638 | reloc_count += sec->reloc_count; | |
1639 | } | |
1640 | ||
1641 | if (idata2) /* .idata2 is the TOC */ | |
1642 | seq = 'a'; | |
1643 | else if (reloc_count > 0) /* thunks */ | |
1644 | seq = 'b'; | |
1645 | else /* sentinel */ | |
1646 | seq = 'c'; | |
1647 | ||
e4e24acb | 1648 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 | 1649 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
90d92a63 | 1650 | bfd_set_filename (is->the_bfd, new_name); |
c6c37250 | 1651 | |
690a460e | 1652 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1653 | sprintf (new_name, "%s.%c", is->filename, seq); |
1654 | is->filename = new_name; | |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | } | |
54727719 NC |
1659 | |
1660 | { | |
1661 | /* The following chunk of code tries to identify jump stubs in | |
1662 | import libraries which are dead code and eliminates them | |
1663 | from the final link. For each exported symbol <sym>, there | |
1664 | is a object file in the import library with a .text section | |
d34c1c51 | 1665 | and several .idata\$* sections. The .text section contains the |
54727719 | 1666 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1667 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1668 | for __imp_<sym> which is the address of the slot for <sym> in |
1669 | the import address table. When a symbol is imported explicitly | |
1670 | using __declspec(dllimport) declaration, the compiler generates | |
1671 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1672 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1673 | needed. The following code tries to identify jump stub sections |
1674 | in import libraries which are not referred to by anyone and | |
1675 | marks them for exclusion from the final link. */ | |
1676 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1677 | { | |
1678 | if (is->the_bfd->my_archive) | |
1679 | { | |
1680 | int is_imp = 0; | |
1681 | asection *sec, *stub_sec = NULL; | |
1682 | ||
1683 | /* See if this is an import library thunk. */ | |
1684 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1685 | { | |
1686 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1687 | is_imp = 1; | |
1688 | /* The section containing the jmp stub has code | |
1689 | and has a reloc. */ | |
1690 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1691 | stub_sec = sec; | |
1692 | } | |
92b93329 | 1693 | |
54727719 NC |
1694 | if (is_imp && stub_sec) |
1695 | { | |
54727719 | 1696 | asymbol **symbols; |
5c1d2f5f | 1697 | long nsyms, src_count; |
54727719 NC |
1698 | struct bfd_link_hash_entry * blhe; |
1699 | ||
5c1d2f5f AM |
1700 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1701 | { | |
df5f2391 | 1702 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f AM |
1703 | is->the_bfd); |
1704 | return; | |
1705 | } | |
1706 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1707 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1708 | |
5c1d2f5f | 1709 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1710 | { |
1711 | if (symbols[src_count]->section->id == stub_sec->id) | |
1712 | { | |
1713 | /* This symbol belongs to the section containing | |
1714 | the stub. */ | |
1715 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1716 | symbols[src_count]->name, | |
1717 | FALSE, FALSE, TRUE); | |
1718 | /* If the symbol in the stub section has no other | |
1719 | undefined references, exclude the stub section | |
1720 | from the final link. */ | |
e0605dbe AM |
1721 | if (blhe != NULL |
1722 | && blhe->type == bfd_link_hash_defined | |
1723 | && blhe->u.undef.next == NULL | |
1724 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1725 | stub_sec->flags |= SEC_EXCLUDE; |
1726 | } | |
1727 | } | |
54727719 NC |
1728 | } |
1729 | } | |
1730 | } | |
1731 | } | |
252b5132 RH |
1732 | } |
1733 | \f | |
3fc90ddb | 1734 | static void |
0c7a8e5a | 1735 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1736 | { |
1737 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1738 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1739 | { |
1740 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1741 | { | |
1742 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1743 | { | |
1744 | /* xgettext:c-format */ | |
df5f2391 | 1745 | einfo (_("%P: errors encountered processing file %s\n"), is->filename); |
252b5132 RH |
1746 | } |
1747 | } | |
1748 | } | |
1749 | ||
c9e38879 | 1750 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1751 | ppc_allocate_toc_section (&link_info); |
1752 | #endif /* TARGET_IS_ppcpe */ | |
1753 | ||
ddb00039 | 1754 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1755 | /* FIXME: we should be able to set the size of the interworking stub |
1756 | section. | |
1757 | ||
1758 | Here we rummage through the found bfds to collect glue | |
1759 | information. FIXME: should this be based on a command line | |
c9e38879 | 1760 | option? krk@cygnus.com. */ |
252b5132 RH |
1761 | { |
1762 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1763 | { | |
7148cc28 | 1764 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1765 | (is->the_bfd, & link_info, support_old_code)) |
1766 | { | |
1767 | /* xgettext:c-format */ | |
df5f2391 | 1768 | einfo (_("%P: errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1769 | is->filename); |
1770 | } | |
1771 | } | |
1772 | } | |
1773 | ||
c9e38879 | 1774 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 | 1775 | bfd_arm_allocate_interworking_sections (& link_info); |
ddb00039 | 1776 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */ |
8423293d | 1777 | |
1e035701 | 1778 | before_allocation_default (); |
252b5132 RH |
1779 | } |
1780 | \f | |
690a460e | 1781 | #ifdef DLL_SUPPORT |
252b5132 | 1782 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1783 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1784 | |
252b5132 | 1785 | static int |
0c7a8e5a | 1786 | saw_option (char *option) |
252b5132 RH |
1787 | { |
1788 | int i; | |
c9e38879 NC |
1789 | |
1790 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1791 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1792 | return init[i].inited; |
1793 | return 0; | |
1794 | } | |
690a460e | 1795 | #endif /* DLL_SUPPORT */ |
252b5132 | 1796 | |
b34976b6 | 1797 | static bfd_boolean |
0c7a8e5a | 1798 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1799 | { |
c6c37250 | 1800 | #ifdef DLL_SUPPORT |
252b5132 RH |
1801 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1802 | ||
42627821 | 1803 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1804 | { |
f2d3750d | 1805 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1806 | |
1807 | if (pe_def_file) | |
252b5132 | 1808 | { |
c9e38879 NC |
1809 | int i, buflen=0, len; |
1810 | char *buf; | |
252b5132 | 1811 | |
c9e38879 | 1812 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1813 | { |
939ba9d0 | 1814 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1815 | if (buflen < len + 2) |
1816 | buflen = len + 2; | |
252b5132 | 1817 | } |
252b5132 | 1818 | |
d127ecce | 1819 | buf = xmalloc (buflen); |
252b5132 | 1820 | |
c9e38879 NC |
1821 | for (i = 0; i < pe_def_file->num_exports; i++) |
1822 | { | |
1823 | struct bfd_link_hash_entry *h; | |
1824 | ||
522f09cd | 1825 | sprintf (buf, "%s%s", U (""), |
6c19b93b | 1826 | pe_def_file->exports[i].internal_name); |
c9e38879 | 1827 | |
b34976b6 | 1828 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 | 1829 | if (h == (struct bfd_link_hash_entry *) NULL) |
df5f2391 | 1830 | einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n")); |
c9e38879 NC |
1831 | if (h->type == bfd_link_hash_new) |
1832 | { | |
1833 | h->type = bfd_link_hash_undefined; | |
1834 | h->u.undef.abfd = NULL; | |
1835 | bfd_link_add_undef (link_info.hash, h); | |
1836 | } | |
1837 | } | |
1838 | free (buf); | |
1839 | ||
1840 | /* def_file_print (stdout, pe_def_file); */ | |
1841 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1842 | link_info.type = type_dll; |
c9e38879 NC |
1843 | |
1844 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1845 | { | |
f13a99db AM |
1846 | pe.ImageBase |
1847 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1848 | = init[IMAGEBASEOFF].value | |
1849 | = pe_def_file->base_address; | |
c9e38879 NC |
1850 | init[IMAGEBASEOFF].inited = 1; |
1851 | if (image_base_statement) | |
eb8476a6 MR |
1852 | image_base_statement->exp |
1853 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
1854 | FALSE); | |
c9e38879 | 1855 | } |
252b5132 | 1856 | |
c9e38879 NC |
1857 | if (pe_def_file->stack_reserve != -1 |
1858 | && ! saw_option ("__size_of_stack_reserve__")) | |
1859 | { | |
1860 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1861 | if (pe_def_file->stack_commit != -1) | |
1862 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1863 | } | |
1864 | if (pe_def_file->heap_reserve != -1 | |
1865 | && ! saw_option ("__size_of_heap_reserve__")) | |
1866 | { | |
1867 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1868 | if (pe_def_file->heap_commit != -1) | |
1869 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1870 | } | |
b34976b6 | 1871 | return TRUE; |
c9e38879 | 1872 | } |
252b5132 | 1873 | } |
252b5132 | 1874 | #endif |
b34976b6 | 1875 | return FALSE; |
252b5132 RH |
1876 | } |
1877 | ||
b34976b6 | 1878 | static bfd_boolean |
0c7a8e5a | 1879 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1880 | { |
c6c37250 | 1881 | #ifdef DLL_SUPPORT |
252b5132 | 1882 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1883 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1884 | #endif |
1885 | #ifdef TARGET_IS_shpe | |
1886 | pe_dll_id_target ("pei-shl"); | |
1887 | #endif | |
344a211f NC |
1888 | #ifdef TARGET_IS_armpe |
1889 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 | 1890 | #endif |
7148cc28 NC |
1891 | #ifdef TARGET_IS_arm_wince_pe |
1892 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1893 | #endif |
ff2bdb9c CF |
1894 | if (pe_bfd_is_dll (entry->the_bfd)) |
1895 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1896 | #endif |
b34976b6 | 1897 | return FALSE; |
252b5132 RH |
1898 | } |
1899 | ||
1900 | static void | |
0c7a8e5a | 1901 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1902 | { |
ddb00039 | 1903 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1904 | struct bfd_link_hash_entry * h; |
1905 | ||
1906 | if (thumb_entry_symbol != NULL) | |
1907 | { | |
b34976b6 AM |
1908 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
1909 | FALSE, FALSE, TRUE); | |
3fc90ddb | 1910 | |
6f798e5c NC |
1911 | if (h != (struct bfd_link_hash_entry *) NULL |
1912 | && (h->type == bfd_link_hash_defined | |
1913 | || h->type == bfd_link_hash_defweak) | |
1914 | && h->u.def.section->output_section != NULL) | |
1915 | { | |
1916 | static char buffer[32]; | |
1917 | bfd_vma val; | |
3fc90ddb | 1918 | |
6f798e5c NC |
1919 | /* Special procesing is required for a Thumb entry symbol. The |
1920 | bottom bit of its address must be set. */ | |
1921 | val = (h->u.def.value | |
fd361982 | 1922 | + bfd_section_vma (h->u.def.section->output_section) |
6f798e5c | 1923 | + h->u.def.section->output_offset); |
3fc90ddb | 1924 | |
6f798e5c | 1925 | val |= 1; |
3fc90ddb | 1926 | |
6f798e5c NC |
1927 | /* Now convert this value into a string and store it in entry_symbol |
1928 | where the lang_finish() function will pick it up. */ | |
1929 | buffer[0] = '0'; | |
1930 | buffer[1] = 'x'; | |
3fc90ddb | 1931 | |
6f798e5c | 1932 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1933 | |
e3e942e9 | 1934 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1935 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1936 | thumb_entry_symbol, entry_symbol.name); |
1937 | entry_symbol.name = buffer; | |
6f798e5c NC |
1938 | } |
1939 | else | |
c58dea77 | 1940 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1941 | } |
ddb00039 | 1942 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1943 | |
1e035701 AM |
1944 | finish_default (); |
1945 | ||
c6c37250 | 1946 | #ifdef DLL_SUPPORT |
0e1862bb | 1947 | if (bfd_link_pic (&link_info) |
e8044f35 | 1948 | #if !defined(TARGET_IS_shpe) |
0e1862bb L |
1949 | || (!bfd_link_relocatable (&link_info) |
1950 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
1951 | #endif |
1952 | ) | |
252b5132 | 1953 | { |
f13a99db | 1954 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
76359541 TP |
1955 | if (command_line.out_implib_filename) |
1956 | pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename, | |
1957 | &link_info); | |
252b5132 | 1958 | } |
e8044f35 | 1959 | #if defined(TARGET_IS_shpe) |
690a460e | 1960 | /* ARM doesn't need relocs. */ |
344a211f NC |
1961 | else |
1962 | { | |
f13a99db | 1963 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
1964 | } |
1965 | #endif | |
3fc90ddb | 1966 | |
252b5132 RH |
1967 | if (pe_out_def_filename) |
1968 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 1969 | #endif /* DLL_SUPPORT */ |
decc3638 | 1970 | |
c9e38879 | 1971 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 1972 | { |
f13a99db | 1973 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 1974 | |
decc3638 CW |
1975 | if (asec) |
1976 | { | |
1af699f4 AM |
1977 | asec->flags &= ~SEC_CODE; |
1978 | asec->flags |= SEC_DATA; | |
decc3638 CW |
1979 | } |
1980 | } | |
252b5132 RH |
1981 | } |
1982 | ||
1983 | \f | |
1984 | /* Place an orphan section. | |
1985 | ||
1986 | We use this to put sections in a reasonable place in the file, and | |
1987 | to ensure that they are aligned as required. | |
1988 | ||
d34c1c51 | 1989 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
1990 | goes into the output section .foo. All grouped sections are sorted |
1991 | by name. | |
1992 | ||
1993 | Grouped sections for the default sections are handled by the | |
1994 | default linker script using wildcards, and are sorted by | |
1995 | sort_sections. */ | |
1996 | ||
c2edb4b8 | 1997 | static lang_output_section_statement_type * |
8a99a385 AM |
1998 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
1999 | const char *secname, | |
2000 | int constraint) | |
252b5132 | 2001 | { |
bcacc0f5 | 2002 | const char *orig_secname = secname; |
f0c87f88 | 2003 | char *dollar = NULL; |
aea4bd9d | 2004 | lang_output_section_statement_type *os; |
5ba47421 | 2005 | lang_statement_list_type add_child; |
b5f14a6d | 2006 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2007 | lang_statement_union_type **pl; |
252b5132 | 2008 | |
252b5132 | 2009 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2010 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2011 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2012 | { |
bcacc0f5 | 2013 | size_t len = dollar - secname; |
afd7a018 | 2014 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2015 | memcpy (newname, secname, len); |
afd7a018 AM |
2016 | newname[len] = '\0'; |
2017 | secname = newname; | |
6eec49fc | 2018 | } |
252b5132 | 2019 | |
5ba47421 AM |
2020 | lang_list_init (&add_child); |
2021 | ||
d127ecce AM |
2022 | os = NULL; |
2023 | if (constraint == 0) | |
2024 | for (os = lang_output_section_find (secname); | |
2025 | os != NULL; | |
2026 | os = next_matching_output_section_statement (os, 0)) | |
2027 | { | |
2028 | /* If we don't match an existing output section, tell | |
2029 | lang_insert_orphan to create a new output section. */ | |
2030 | constraint = SPECIAL; | |
2031 | ||
2032 | if (os->bfd_section != NULL | |
2033 | && (os->bfd_section->flags == 0 | |
2034 | || ((s->flags ^ os->bfd_section->flags) | |
2035 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2036 | { | |
2037 | /* We already have an output section statement with this | |
2038 | name, and its bfd section has compatible flags. | |
2039 | If the section already exists but does not have any flags set, | |
2040 | then it has been created by the linker, probably as a result of | |
2041 | a --section-start command line switch. */ | |
b9c361e0 | 2042 | lang_add_section (&add_child, s, NULL, os); |
d127ecce AM |
2043 | break; |
2044 | } | |
b5f14a6d DD |
2045 | |
2046 | /* Save unused output sections in case we can match them | |
2047 | against orphans later. */ | |
2048 | if (os->bfd_section == NULL) | |
2049 | match_by_name = os; | |
d127ecce AM |
2050 | } |
2051 | ||
b5f14a6d DD |
2052 | /* If we didn't match an active output section, see if we matched an |
2053 | unused one and use that. */ | |
2054 | if (os == NULL && match_by_name) | |
2055 | { | |
b9c361e0 | 2056 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2057 | return match_by_name; |
2058 | } | |
2059 | ||
d127ecce | 2060 | if (os == NULL) |
252b5132 | 2061 | { |
afd7a018 AM |
2062 | static struct orphan_save hold[] = |
2063 | { | |
2064 | { ".text", | |
2065 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2066 | 0, 0, 0, 0 }, | |
d4874973 KT |
2067 | { ".idata", |
2068 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2069 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2070 | { ".rdata", |
2071 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2072 | 0, 0, 0, 0 }, | |
2073 | { ".data", | |
2074 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2075 | 0, 0, 0, 0 }, | |
2076 | { ".bss", | |
2077 | SEC_ALLOC, | |
2078 | 0, 0, 0, 0 } | |
2079 | }; | |
2080 | enum orphan_save_index | |
2081 | { | |
2082 | orphan_text = 0, | |
d4874973 | 2083 | orphan_idata, |
afd7a018 AM |
2084 | orphan_rodata, |
2085 | orphan_data, | |
2086 | orphan_bss | |
2087 | }; | |
2088 | static int orphan_init_done = 0; | |
6a345e87 | 2089 | struct orphan_save *place; |
afd7a018 | 2090 | lang_output_section_statement_type *after; |
252b5132 | 2091 | etree_type *address; |
93638471 AM |
2092 | flagword flags; |
2093 | asection *nexts; | |
afd7a018 AM |
2094 | |
2095 | if (!orphan_init_done) | |
2096 | { | |
2097 | struct orphan_save *ho; | |
2098 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2099 | if (ho->name != NULL) | |
2100 | { | |
2101 | ho->os = lang_output_section_find (ho->name); | |
2102 | if (ho->os != NULL && ho->os->flags == 0) | |
2103 | ho->os->flags = ho->flags; | |
2104 | } | |
2105 | orphan_init_done = 1; | |
2106 | } | |
252b5132 | 2107 | |
523f4c92 L |
2108 | flags = s->flags; |
2109 | if (!bfd_link_relocatable (&link_info)) | |
2110 | { | |
2111 | nexts = s; | |
2112 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, | |
2113 | nexts))) | |
2114 | if (nexts->output_section == NULL | |
2115 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2116 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2117 | && (nexts->owner->flags & DYNAMIC) == 0 | |
00f93c44 | 2118 | && !bfd_input_just_syms (nexts->owner)) |
523f4c92 L |
2119 | flags = (((flags ^ SEC_READONLY) |
2120 | | (nexts->flags ^ SEC_READONLY)) | |
2121 | ^ SEC_READONLY); | |
2122 | } | |
2123 | ||
252b5132 RH |
2124 | /* Try to put the new output section in a reasonable place based |
2125 | on the section name and section flags. */ | |
aea4bd9d | 2126 | |
252b5132 | 2127 | place = NULL; |
93638471 | 2128 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2129 | ; |
93638471 | 2130 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2131 | place = &hold[orphan_bss]; |
93638471 | 2132 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2133 | place = &hold[orphan_data]; |
93638471 | 2134 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2135 | { |
2136 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2137 | : &hold[orphan_rodata]); | |
2138 | } | |
1af699f4 | 2139 | else |
afd7a018 | 2140 | place = &hold[orphan_text]; |
1af699f4 | 2141 | |
afd7a018 | 2142 | after = NULL; |
1af699f4 AM |
2143 | if (place != NULL) |
2144 | { | |
afd7a018 AM |
2145 | if (place->os == NULL) |
2146 | place->os = lang_output_section_find (place->name); | |
2147 | after = place->os; | |
2148 | if (after == NULL) | |
93638471 AM |
2149 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2150 | NULL); | |
afd7a018 AM |
2151 | if (after == NULL) |
2152 | /* *ABS* is always the first output section statement. */ | |
5c1e6d53 | 2153 | after = &lang_os_list.head->output_section_statement; |
252b5132 RH |
2154 | } |
2155 | ||
4bf0cafb DK |
2156 | /* All sections in an executable must be aligned to a page boundary. |
2157 | In a relocatable link, just preserve the incoming alignment; the | |
2158 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2159 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2160 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2161 | &add_child); | |
0e1862bb | 2162 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb | 2163 | { |
3d9c8f6b | 2164 | os->section_alignment = exp_intop (1U << s->alignment_power); |
4bf0cafb DK |
2165 | os->bfd_section->alignment_power = s->alignment_power; |
2166 | } | |
252b5132 RH |
2167 | } |
2168 | ||
011aa75f AM |
2169 | /* If the section name has a '\$', sort it with the other '\$' |
2170 | sections. */ | |
2171 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2172 | { | |
2173 | lang_input_section_type *ls; | |
2174 | const char *lname; | |
252b5132 | 2175 | |
011aa75f AM |
2176 | if ((*pl)->header.type != lang_input_section_enum) |
2177 | continue; | |
252b5132 | 2178 | |
011aa75f | 2179 | ls = &(*pl)->input_section; |
252b5132 | 2180 | |
fd361982 | 2181 | lname = bfd_section_name (ls->section); |
011aa75f AM |
2182 | if (strchr (lname, '\$') != NULL |
2183 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2184 | break; | |
2185 | } | |
5ba47421 | 2186 | |
011aa75f AM |
2187 | if (add_child.head != NULL) |
2188 | { | |
2189 | *add_child.tail = *pl; | |
2190 | *pl = add_child.head; | |
2191 | } | |
252b5132 | 2192 | |
c2edb4b8 | 2193 | return os; |
252b5132 RH |
2194 | } |
2195 | ||
b34976b6 | 2196 | static bfd_boolean |
0c7a8e5a | 2197 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2198 | (const char *arch ATTRIBUTE_UNUSED, |
2199 | search_dirs_type *search, | |
0c7a8e5a | 2200 | lang_input_statement_type *entry) |
690a460e | 2201 | { |
45e948fe NC |
2202 | static const struct |
2203 | { | |
2204 | const char * format; | |
2205 | bfd_boolean use_prefix; | |
2206 | } | |
2207 | libname_fmt [] = | |
2208 | { | |
2209 | /* Preferred explicit import library for dll's. */ | |
2210 | { "lib%s.dll.a", FALSE }, | |
2211 | /* Alternate explicit import library for dll's. */ | |
2212 | { "%s.dll.a", FALSE }, | |
2213 | /* "libfoo.a" could be either an import lib or a static lib. | |
6c19b93b AM |
2214 | For backwards compatibility, libfoo.a needs to precede |
2215 | libfoo.dll and foo.dll in the search. */ | |
45e948fe | 2216 | { "lib%s.a", FALSE }, |
92b93329 | 2217 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe | 2218 | { "%s.lib", FALSE }, |
f6c4d4b1 NC |
2219 | /* PR 22948 - Check for an import library. */ |
2220 | { "lib%s.lib", FALSE }, | |
45e948fe NC |
2221 | #ifdef DLL_SUPPORT |
2222 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
2223 | { "%s%s.dll", TRUE }, | |
2224 | #endif | |
2225 | /* Try "libfoo.dll" (default preferred dll name). */ | |
2226 | { "lib%s.dll", FALSE }, | |
2227 | /* Finally try 'native' dll name "foo.dll". */ | |
2228 | { "%s.dll", FALSE }, | |
2229 | /* Note: If adding more formats to this table, make sure to check to | |
2230 | see if their length is longer than libname_fmt[0].format, and if | |
2231 | so, update the call to xmalloc() below. */ | |
2232 | { NULL, FALSE } | |
2233 | }; | |
b1d9458a | 2234 | static unsigned int format_max_len = 0; |
690a460e | 2235 | const char * filename; |
45e948fe NC |
2236 | char * full_string; |
2237 | char * base_string; | |
2238 | unsigned int i; | |
2239 | ||
690a460e | 2240 | |
d4ae5fb0 | 2241 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
b34976b6 | 2242 | return FALSE; |
690a460e NC |
2243 | |
2244 | filename = entry->filename; | |
2245 | ||
b1d9458a NC |
2246 | if (format_max_len == 0) |
2247 | /* We need to allow space in the memory that we are going to allocate | |
2248 | for the characters in the format string. Since the format array is | |
2249 | static we only need to calculate this information once. In theory | |
2250 | this value could also be computed statically, but this introduces | |
2251 | the possibility for a discrepancy and hence a possible memory | |
2252 | corruption. The lengths we compute here will be too long because | |
2253 | they will include any formating characters (%s) in the strings, but | |
2254 | this will not matter. */ | |
2255 | for (i = 0; libname_fmt[i].format; i++) | |
2256 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2257 | format_max_len = strlen (libname_fmt[i].format); | |
2258 | ||
45e948fe NC |
2259 | full_string = xmalloc (strlen (search->name) |
2260 | + strlen (filename) | |
b1d9458a | 2261 | + format_max_len |
b9a69188 | 2262 | #ifdef DLL_SUPPORT |
45e948fe NC |
2263 | + (pe_dll_search_prefix |
2264 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2265 | #endif |
b1d9458a NC |
2266 | /* Allow for the terminating NUL and for the path |
2267 | separator character that is inserted between | |
2268 | search->name and the start of the format string. */ | |
2269 | + 2); | |
690a460e | 2270 | |
45e948fe NC |
2271 | sprintf (full_string, "%s/", search->name); |
2272 | base_string = full_string + strlen (full_string); | |
690a460e | 2273 | |
45e948fe | 2274 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2275 | { |
92b93329 | 2276 | #ifdef DLL_SUPPORT |
45e948fe | 2277 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2278 | { |
45e948fe NC |
2279 | if (!pe_dll_search_prefix) |
2280 | continue; | |
2281 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2282 | } |
45e948fe NC |
2283 | else |
2284 | #endif | |
2285 | sprintf (base_string, libname_fmt[i].format, filename); | |
2286 | ||
2287 | if (ldfile_try_open_bfd (full_string, entry)) | |
2288 | break; | |
2289 | } | |
2290 | ||
2291 | if (!libname_fmt[i].format) | |
2292 | { | |
2293 | free (full_string); | |
2294 | return FALSE; | |
690a460e | 2295 | } |
602e90d3 | 2296 | |
45e948fe | 2297 | entry->filename = full_string; |
690a460e | 2298 | |
b34976b6 | 2299 | return TRUE; |
690a460e NC |
2300 | } |
2301 | ||
344a211f | 2302 | static int |
0c7a8e5a AM |
2303 | gld_${EMULATION_NAME}_find_potential_libraries |
2304 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2305 | { |
2306 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2307 | } | |
252b5132 RH |
2308 | \f |
2309 | static char * | |
0c7a8e5a | 2310 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2311 | EOF |
2312 | # Scripts compiled in. | |
2313 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2314 | sc="-f stringify.sed" |
252b5132 | 2315 | |
92b93329 | 2316 | fragment <<EOF |
3fc90ddb | 2317 | { |
252b5132 RH |
2318 | *isfile = 0; |
2319 | ||
0e1862bb | 2320 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2321 | return |
2322 | EOF | |
1af699f4 | 2323 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2324 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2325 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2326 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2327 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2328 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2329 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2330 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2331 | echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c |
e2a83dd0 NC |
2332 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2333 | fi | |
1af699f4 AM |
2334 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2335 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2336 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2337 | |
92b93329 | 2338 | fragment <<EOF |
252b5132 RH |
2339 | |
2340 | ||
3fc90ddb | 2341 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2342 | { |
2343 | gld_${EMULATION_NAME}_before_parse, | |
2344 | syslib_default, | |
2345 | hll_default, | |
2346 | gld_${EMULATION_NAME}_after_parse, | |
2347 | gld_${EMULATION_NAME}_after_open, | |
5c3261b0 | 2348 | after_check_relocs_default, |
252b5132 RH |
2349 | after_allocation_default, |
2350 | set_output_arch_default, | |
2351 | ldemul_default_target, | |
2352 | gld_${EMULATION_NAME}_before_allocation, | |
2353 | gld_${EMULATION_NAME}_get_script, | |
2354 | "${EMULATION_NAME}", | |
2355 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2356 | gld_${EMULATION_NAME}_finish, |
2357 | NULL, /* Create output section statements. */ | |
690a460e | 2358 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2359 | gld_${EMULATION_NAME}_place_orphan, |
2360 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2361 | NULL, /* parse_args */ |
2362 | gld${EMULATION_NAME}_add_options, | |
2363 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2364 | gld_${EMULATION_NAME}_unrecognized_file, |
2365 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2366 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2367 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 DD |
2368 | NULL, /* new_vers_pattern. */ |
2369 | NULL /* extra_map_file_text. */ | |
252b5132 RH |
2370 | }; |
2371 | EOF |