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_${EMULATION_NAME} |
39 | ||
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
252b5132 | 42 | #include "bfdlink.h" |
1ff6de03 | 43 | #include "ctf-api.h" |
252b5132 RH |
44 | #include "getopt.h" |
45 | #include "libiberty.h" | |
42627821 | 46 | #include "filenames.h" |
252b5132 RH |
47 | #include "ld.h" |
48 | #include "ldmain.h" | |
252b5132 RH |
49 | #include "ldexp.h" |
50 | #include "ldlang.h" | |
b71e2778 | 51 | #include "ldfile.h" |
252b5132 | 52 | #include "ldemul.h" |
df2a7313 | 53 | #include <ldgram.h> |
252b5132 RH |
54 | #include "ldlex.h" |
55 | #include "ldmisc.h" | |
56 | #include "ldctor.h" | |
61e2488c | 57 | #include "ldbuildid.h" |
252b5132 | 58 | #include "coff/internal.h" |
71add731 | 59 | |
26d2d8a2 BF |
60 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
61 | header in generic PE code. */ | |
62 | #include "coff/i386.h" | |
63 | #include "coff/pe.h" | |
64 | ||
61e2488c | 65 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 66 | using it here. */ |
252b5132 | 67 | #include "../bfd/libcoff.h" |
61e2488c | 68 | #include "../bfd/libpei.h" |
71add731 | 69 | |
f37164d7 AM |
70 | #if defined(TARGET_IS_armpe) \ |
71 | || defined(TARGET_IS_arm_wince_pe) | |
72 | #define bfd_arm_allocate_interworking_sections \ | |
73 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
74 | #define bfd_arm_get_bfd_for_interworking \ | |
75 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
76 | #define bfd_arm_process_before_allocation \ | |
77 | bfd_${EMULATION_NAME}_process_before_allocation | |
78 | #include "coff-arm.h" | |
79 | #endif | |
80 | ||
252b5132 | 81 | #include "deffile.h" |
1069dd8d | 82 | #include "pe-dll.h" |
29e1a6e4 | 83 | #include "safe-ctype.h" |
14fe918e | 84 | |
2be9b2c7 ILT |
85 | /* Permit the emulation parameters to override the default section |
86 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
87 | it seem that include/coff/internal.h should not define | |
88 | PE_DEF_SECTION_ALIGNMENT. */ | |
89 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
90 | #undef PE_DEF_SECTION_ALIGNMENT | |
91 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
92 | #endif | |
93 | ||
7148cc28 NC |
94 | #if defined(TARGET_IS_i386pe) \ |
95 | || defined(TARGET_IS_shpe) \ | |
7148cc28 | 96 | || defined(TARGET_IS_armpe) \ |
7148cc28 | 97 | || defined(TARGET_IS_arm_wince_pe) |
344a211f NC |
98 | #define DLL_SUPPORT |
99 | #endif | |
c6c37250 | 100 | |
e468a046 KT |
101 | #if defined(TARGET_IS_i386pe) |
102 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
103 | #else | |
104 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
105 | #endif | |
106 | ||
344a211f | 107 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 108 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
109 | #else |
110 | #undef NT_EXE_IMAGE_BASE | |
111 | #undef PE_DEF_SECTION_ALIGNMENT | |
112 | #undef PE_DEF_FILE_ALIGNMENT | |
113 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
114 | |
115 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
116 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
117 | #define PE_DEF_SUBSYSTEM 9 | |
118 | #else | |
119 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
120 | #define PE_DEF_SUBSYSTEM 2 | |
121 | #endif | |
122 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
123 | #endif | |
c6c37250 | 124 | |
252b5132 RH |
125 | static struct internal_extra_pe_aouthdr pe; |
126 | static int dll; | |
decfa41e | 127 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 128 | static flagword real_flags = 0; |
252b5132 | 129 | static int support_old_code = 0; |
6f798e5c | 130 | static char * thumb_entry_symbol = NULL; |
252b5132 | 131 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 132 | static unsigned short pe_dll_characteristics = 0; |
eeb14e5a | 133 | static bfd_boolean insert_timestamp = TRUE; |
61e2488c | 134 | static const char *emit_build_id; |
252b5132 | 135 | |
f0c87f88 | 136 | #ifdef DLL_SUPPORT |
4cd89863 | 137 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e | 138 | static char *pe_out_def_filename = NULL; |
5f577f7d | 139 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 140 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 141 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 142 | #endif |
252b5132 RH |
143 | |
144 | extern const char *output_filename; | |
145 | ||
d74720d2 | 146 | static int is_underscoring (void) |
252b5132 | 147 | { |
d74720d2 KT |
148 | int u = 0; |
149 | if (pe_leading_underscore != -1) | |
150 | return pe_leading_underscore; | |
151 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) | |
b804e4af KT |
152 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
153 | ||
154 | if (u == -1) | |
155 | abort (); | |
d74720d2 KT |
156 | pe_leading_underscore = (u != 0 ? 1 : 0); |
157 | return pe_leading_underscore; | |
158 | } | |
b804e4af | 159 | |
d74720d2 KT |
160 | static void |
161 | gld_${EMULATION_NAME}_before_parse (void) | |
162 | { | |
163 | is_underscoring (); | |
5e2f1575 | 164 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 165 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 166 | #ifdef DLL_SUPPORT |
66be1055 | 167 | input_flags.dynamic = TRUE; |
252b5132 | 168 | config.has_shared = 1; |
5b9c6027 DK |
169 | EOF |
170 | ||
171 | # Cygwin no longer wants these noisy warnings. Other PE | |
172 | # targets might like to consider adding themselves here. | |
27320b85 NC |
173 | # See also the mail thread starting here for the reason why |
174 | # merge_rdata defaults to 0 for cygwin: | |
175 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html | |
5b9c6027 DK |
176 | case ${target} in |
177 | *-*-cygwin*) | |
178 | default_auto_import=1 | |
27320b85 | 179 | default_merge_rdata=0 |
ca5f2203 | 180 | ;; |
09db93a8 | 181 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
ca5f2203 KT |
182 | default_auto_import=1 |
183 | default_merge_rdata=0 | |
5b9c6027 DK |
184 | ;; |
185 | *) | |
186 | default_auto_import=-1 | |
ca5f2203 | 187 | default_merge_rdata=1 |
5b9c6027 DK |
188 | ;; |
189 | esac | |
190 | ||
191 | fragment <<EOF | |
192 | link_info.pei386_auto_import = ${default_auto_import}; | |
e468a046 KT |
193 | /* Use by default version. */ |
194 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; | |
252b5132 RH |
195 | #endif |
196 | } | |
197 | \f | |
ca5f2203 KT |
198 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
199 | version 2 is used and auto-import is enabled. */ | |
200 | #define MERGE_RDATA_V2 ${default_merge_rdata} | |
201 | ||
252b5132 RH |
202 | /* PE format extra command line options. */ |
203 | ||
4cd89863 | 204 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
205 | #define OPTION_BASE_FILE (300 + 1) |
206 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
207 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
208 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
209 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
210 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
211 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
212 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
213 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
214 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
215 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
216 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
217 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
218 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
219 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
220 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
221 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
222 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
2927aaca NC |
223 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
224 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) | |
252b5132 RH |
225 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
226 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
227 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
76359541 | 228 | #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1) |
870df5dc NC |
229 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
230 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
231 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
232 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
233 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
234 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
235 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
236 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
237 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 238 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
239 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
240 | (OPTION_EXCLUDE_LIBS + 1) | |
241 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
242 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6c19b93b | 243 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 | 244 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
6c19b93b | 245 | (OPTION_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 | 246 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 247 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
248 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
249 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
250 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
251 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 252 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 253 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
6c19b93b AM |
254 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
255 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
256 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
257 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
258 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
259 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 260 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
261 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
262 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
263 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 264 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
265 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
266 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
267 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
268 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
269 | /* Determinism. */ |
270 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
271 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
272 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
252b5132 | 273 | |
3bcf5557 | 274 | static void |
0c7a8e5a | 275 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
276 | (int ns ATTRIBUTE_UNUSED, |
277 | char **shortopts ATTRIBUTE_UNUSED, | |
278 | int nl, | |
279 | struct option **longopts, | |
280 | int nrl ATTRIBUTE_UNUSED, | |
281 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 282 | { |
27320b85 NC |
283 | static const struct option xtra_long[] = |
284 | { | |
285 | /* PE options. */ | |
3bcf5557 AM |
286 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
287 | {"dll", no_argument, NULL, OPTION_DLL}, | |
288 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
289 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
290 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
291 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
292 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
293 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
294 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
295 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
296 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
297 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
298 | {"stack", required_argument, NULL, OPTION_STACK}, | |
299 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
300 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
301 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
302 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
303 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
304 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
305 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 306 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 307 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 308 | #ifdef DLL_SUPPORT |
d127ecce AM |
309 | /* getopt allows abbreviations, so we do this to stop it |
310 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
311 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
312 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
313 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
314 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 315 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 316 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 317 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
318 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
319 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
320 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
321 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
3bcf5557 AM |
322 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
323 | /* getopt() allows abbreviations, so we do this to stop it from | |
324 | treating -c as an abbreviation for these --compat-implib. */ | |
325 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
326 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 327 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
328 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
329 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
330 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
331 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
332 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
333 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
334 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
335 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
336 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
337 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 338 | #endif |
26d2d8a2 | 339 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 340 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
341 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
342 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
343 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
344 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
345 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
346 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
347 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
348 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
349 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
350 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
61e2488c | 351 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
3bcf5557 AM |
352 | {NULL, no_argument, NULL, 0} |
353 | }; | |
252b5132 | 354 | |
d127ecce AM |
355 | *longopts |
356 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
357 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
358 | } | |
252b5132 RH |
359 | |
360 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 361 | parameters which may be input from the command line. */ |
252b5132 RH |
362 | |
363 | typedef struct | |
364 | { | |
365 | void *ptr; | |
366 | int size; | |
367 | int value; | |
368 | char *symbol; | |
369 | int inited; | |
522f09cd KT |
370 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
371 | C visible symbols can be prefixed by underscore dependent to target's | |
372 | settings. */ | |
373 | bfd_boolean is_c_symbol; | |
252b5132 RH |
374 | } definfo; |
375 | ||
522f09cd KT |
376 | /* Get symbol name dependent to kind and C visible state of |
377 | underscore. */ | |
378 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
379 | (init[(IDX)].symbol \ | |
535b785f | 380 | + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1)) |
522f09cd KT |
381 | |
382 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
383 | #define U(CSTR) \ | |
d74720d2 | 384 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd | 385 | |
61e2488c | 386 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
387 | |
388 | static definfo init[] = | |
389 | { | |
390 | /* imagebase must be first */ | |
391 | #define IMAGEBASEOFF 0 | |
522f09cd | 392 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
252b5132 | 393 | #define DLLOFF 1 |
522f09cd | 394 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
dffc6a64 | 395 | #define MSIMAGEBASEOFF 2 |
522f09cd KT |
396 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
397 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), | |
398 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), | |
399 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), | |
400 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), | |
401 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), | |
402 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), | |
7148cc28 | 403 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
522f09cd | 404 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
344a211f | 405 | #else |
522f09cd | 406 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
344a211f | 407 | #endif |
522f09cd KT |
408 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
409 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), | |
410 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), | |
411 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), | |
412 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), | |
413 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), | |
414 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), | |
415 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), | |
416 | { NULL, 0, 0, NULL, 0 , FALSE} | |
252b5132 RH |
417 | }; |
418 | ||
4cd89863 | 419 | |
252b5132 | 420 | static void |
0c7a8e5a | 421 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
422 | { |
423 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
424 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
425 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
426 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
427 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
428 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
429 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
430 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
431 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
432 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
433 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
434 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
435 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
436 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
437 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 438 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 439 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 440 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 441 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 442 | #ifdef DLL_SUPPORT |
252b5132 RH |
443 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
444 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
445 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
446 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 447 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 448 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
449 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
450 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
451 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
452 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
453 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
252b5132 | 454 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
d0e6d77b | 455 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
456 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
457 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
458 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
459 | (optionally starting with address) unless\n\ | |
460 | specifically set with --image-base\n")); | |
5f577f7d | 461 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
462 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
463 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 464 | in preference to lib<basename>.dll \n")); |
c85f715a | 465 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 466 | __imp_sym for DATA references\n")); |
decc3638 | 467 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 468 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
469 | adding pseudo-relocations resolved at\n\ |
470 | runtime.\n")); | |
2fa9fc65 NC |
471 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
472 | auto-imported DATA.\n")); | |
e3c8793a NC |
473 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
474 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 475 | #endif |
26d2d8a2 BF |
476 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
477 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
478 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
479 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
480 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
481 | executable image files\n")); | |
482 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
483 | in object files\n")); | |
df5f2391 AM |
484 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
485 | address space layout randomization (ASLR)\n")); | |
486 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
487 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
488 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
489 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
490 | be called in this image\n")); | |
491 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
492 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
522f09cd | 493 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
61e2488c | 494 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
252b5132 RH |
495 | } |
496 | ||
4cd89863 | 497 | |
252b5132 | 498 | static void |
0c7a8e5a | 499 | set_pe_name (char *name, long val) |
252b5132 | 500 | { |
d74720d2 KT |
501 | int i; |
502 | is_underscoring (); | |
4cd89863 NC |
503 | |
504 | /* Find the name and set it. */ | |
252b5132 RH |
505 | for (i = 0; init[i].ptr; i++) |
506 | { | |
522f09cd | 507 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
508 | { |
509 | init[i].value = val; | |
510 | init[i].inited = 1; | |
dffc6a64 KT |
511 | if (strcmp (name,"__image_base__") == 0) |
512 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
513 | return; |
514 | } | |
515 | } | |
939ba9d0 | 516 | abort (); |
252b5132 RH |
517 | } |
518 | ||
decfa41e KT |
519 | static void |
520 | set_entry_point (void) | |
521 | { | |
522 | const char *entry; | |
523 | const char *initial_symbol_char; | |
d74720d2 | 524 | int i; |
decfa41e KT |
525 | |
526 | static const struct | |
6c19b93b AM |
527 | { |
528 | const int value; | |
529 | const char *entry; | |
530 | } | |
decfa41e KT |
531 | v[] = |
532 | { | |
533 | { 1, "NtProcessStartup" }, | |
534 | { 2, "WinMainCRTStartup" }, | |
535 | { 3, "mainCRTStartup" }, | |
536 | { 7, "__PosixProcessStartup"}, | |
537 | { 9, "WinMainCRTStartup" }, | |
538 | {14, "mainCRTStartup" }, | |
539 | { 0, NULL } | |
540 | }; | |
541 | ||
542 | /* Entry point name for arbitrary subsystem numbers. */ | |
543 | static const char default_entry[] = "mainCRTStartup"; | |
544 | ||
0e1862bb | 545 | if (bfd_link_pic (&link_info) || dll) |
decfa41e KT |
546 | { |
547 | #if defined (TARGET_IS_i386pe) | |
548 | entry = "DllMainCRTStartup@12"; | |
549 | #else | |
550 | entry = "DllMainCRTStartup"; | |
551 | #endif | |
552 | } | |
553 | else | |
554 | { | |
decfa41e | 555 | for (i = 0; v[i].entry; i++) |
6c19b93b AM |
556 | if (v[i].value == pe_subsystem) |
557 | break; | |
decfa41e KT |
558 | |
559 | /* If no match, use the default. */ | |
560 | if (v[i].entry != NULL) | |
6c19b93b | 561 | entry = v[i].entry; |
decfa41e | 562 | else |
6c19b93b | 563 | entry = default_entry; |
decfa41e KT |
564 | } |
565 | ||
d74720d2 | 566 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 567 | |
decfa41e KT |
568 | if (*initial_symbol_char != '\0') |
569 | { | |
570 | char *alc_entry; | |
571 | ||
572 | /* lang_default_entry expects its argument to be permanently | |
573 | allocated, so we don't free this string. */ | |
574 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
575 | + strlen (entry) | |
576 | + 1); | |
577 | strcpy (alc_entry, initial_symbol_char); | |
578 | strcat (alc_entry, entry); | |
579 | entry = alc_entry; | |
580 | } | |
581 | ||
582 | lang_default_entry (entry); | |
583 | } | |
252b5132 RH |
584 | |
585 | static void | |
0c7a8e5a | 586 | set_pe_subsystem (void) |
252b5132 RH |
587 | { |
588 | const char *sver; | |
33f362e1 | 589 | char *end; |
252b5132 RH |
590 | int len; |
591 | int i; | |
33f362e1 | 592 | unsigned long temp_subsystem; |
3fc90ddb | 593 | static const struct |
252b5132 RH |
594 | { |
595 | const char *name; | |
596 | const int value; | |
252b5132 RH |
597 | } |
598 | v[] = | |
599 | { | |
decfa41e KT |
600 | { "native", 1}, |
601 | { "windows", 2}, | |
602 | { "console", 3}, | |
603 | { "posix", 7}, | |
604 | { "wince", 9}, | |
605 | { "xbox", 14}, | |
606 | { NULL, 0 } | |
252b5132 RH |
607 | }; |
608 | ||
33f362e1 | 609 | /* Check for the presence of a version number. */ |
252b5132 RH |
610 | sver = strchr (optarg, ':'); |
611 | if (sver == NULL) | |
612 | len = strlen (optarg); | |
613 | else | |
614 | { | |
252b5132 RH |
615 | len = sver - optarg; |
616 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 617 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
618 | if (*end == '.') |
619 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 620 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
621 | if (*end != '\0') |
622 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
623 | } | |
624 | ||
33f362e1 NC |
625 | /* Check for numeric subsystem. */ |
626 | temp_subsystem = strtoul (optarg, & end, 0); | |
627 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 628 | { |
33f362e1 NC |
629 | /* Search list for a numeric match to use its entry point. */ |
630 | for (i = 0; v[i].name; i++) | |
631 | if (v[i].value == (int) temp_subsystem) | |
632 | break; | |
633 | ||
33f362e1 | 634 | /* Use this subsystem. */ |
decfa41e | 635 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
636 | } |
637 | else | |
638 | { | |
639 | /* Search for subsystem by name. */ | |
640 | for (i = 0; v[i].name; i++) | |
641 | if (strncmp (optarg, v[i].name, len) == 0 | |
642 | && v[i].name[len] == '\0') | |
643 | break; | |
252b5132 | 644 | |
33f362e1 NC |
645 | if (v[i].name == NULL) |
646 | { | |
df5f2391 | 647 | einfo (_("%F%P: invalid subsystem type %s\n"), optarg); |
252b5132 RH |
648 | return; |
649 | } | |
33f362e1 | 650 | |
decfa41e | 651 | pe_subsystem = v[i].value; |
252b5132 | 652 | } |
3fc90ddb | 653 | |
decfa41e | 654 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
655 | |
656 | return; | |
252b5132 RH |
657 | } |
658 | ||
659 | ||
252b5132 | 660 | static void |
0c7a8e5a | 661 | set_pe_value (char *name) |
252b5132 RH |
662 | { |
663 | char *end; | |
3fc90ddb | 664 | |
252b5132 | 665 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 666 | |
252b5132 | 667 | if (end == optarg) |
df5f2391 | 668 | einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg); |
252b5132 RH |
669 | |
670 | optarg = end; | |
671 | } | |
672 | ||
4cd89863 | 673 | |
252b5132 | 674 | static void |
0c7a8e5a | 675 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
676 | { |
677 | set_pe_value (resname); | |
3fc90ddb | 678 | |
252b5132 RH |
679 | if (*optarg == ',') |
680 | { | |
681 | optarg++; | |
682 | set_pe_value (comname); | |
683 | } | |
684 | else if (*optarg) | |
df5f2391 | 685 | einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg); |
252b5132 RH |
686 | } |
687 | ||
61e2488c | 688 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 689 | |
3bcf5557 | 690 | static bfd_boolean |
0c7a8e5a | 691 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 692 | { |
252b5132 RH |
693 | switch (optc) |
694 | { | |
695 | default: | |
3bcf5557 | 696 | return FALSE; |
252b5132 RH |
697 | |
698 | case OPTION_BASE_FILE: | |
0c7a8e5a | 699 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 700 | if (link_info.base_file == NULL) |
e922bcab | 701 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
702 | break; |
703 | ||
4cd89863 | 704 | /* PE options. */ |
3fc90ddb | 705 | case OPTION_HEAP: |
252b5132 RH |
706 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
707 | break; | |
3fc90ddb | 708 | case OPTION_STACK: |
252b5132 RH |
709 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
710 | break; | |
711 | case OPTION_SUBSYSTEM: | |
712 | set_pe_subsystem (); | |
713 | break; | |
714 | case OPTION_MAJOR_OS_VERSION: | |
715 | set_pe_value ("__major_os_version__"); | |
716 | break; | |
717 | case OPTION_MINOR_OS_VERSION: | |
718 | set_pe_value ("__minor_os_version__"); | |
719 | break; | |
720 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
721 | set_pe_value ("__major_subsystem_version__"); | |
722 | break; | |
723 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
724 | set_pe_value ("__minor_subsystem_version__"); | |
725 | break; | |
726 | case OPTION_MAJOR_IMAGE_VERSION: | |
727 | set_pe_value ("__major_image_version__"); | |
728 | break; | |
729 | case OPTION_MINOR_IMAGE_VERSION: | |
730 | set_pe_value ("__minor_image_version__"); | |
731 | break; | |
732 | case OPTION_FILE_ALIGNMENT: | |
733 | set_pe_value ("__file_alignment__"); | |
734 | break; | |
735 | case OPTION_SECTION_ALIGNMENT: | |
736 | set_pe_value ("__section_alignment__"); | |
737 | break; | |
738 | case OPTION_DLL: | |
739 | set_pe_name ("__dll__", 1); | |
740 | break; | |
741 | case OPTION_IMAGE_BASE: | |
742 | set_pe_value ("__image_base__"); | |
743 | break; | |
744 | case OPTION_SUPPORT_OLD_CODE: | |
745 | support_old_code = 1; | |
746 | break; | |
6f798e5c NC |
747 | case OPTION_THUMB_ENTRY: |
748 | thumb_entry_symbol = optarg; | |
749 | break; | |
ce11ba6c KT |
750 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
751 | pe_use_nul_prefixed_import_tables = TRUE; | |
752 | break; | |
522f09cd KT |
753 | case OPTION_NO_LEADING_UNDERSCORE: |
754 | pe_leading_underscore = 0; | |
755 | break; | |
756 | case OPTION_LEADING_UNDERSCORE: | |
757 | pe_leading_underscore = 1; | |
758 | break; | |
0cb112f7 CF |
759 | case OPTION_INSERT_TIMESTAMP: |
760 | insert_timestamp = TRUE; | |
761 | break; | |
eeb14e5a LZ |
762 | case OPTION_NO_INSERT_TIMESTAMP: |
763 | insert_timestamp = FALSE; | |
764 | break; | |
c6c37250 | 765 | #ifdef DLL_SUPPORT |
252b5132 RH |
766 | case OPTION_OUT_DEF: |
767 | pe_out_def_filename = xstrdup (optarg); | |
768 | break; | |
769 | case OPTION_EXPORT_ALL: | |
770 | pe_dll_export_everything = 1; | |
771 | break; | |
772 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 773 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 774 | break; |
2927aaca NC |
775 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
776 | pe_dll_exclude_all_symbols = 1; | |
777 | break; | |
70b0be79 | 778 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
779 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
780 | break; | |
781 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
782 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
783 | break; |
784 | case OPTION_KILL_ATS: | |
785 | pe_dll_kill_ats = 1; | |
786 | break; | |
787 | case OPTION_STDCALL_ALIASES: | |
788 | pe_dll_stdcall_aliases = 1; | |
789 | break; | |
790 | case OPTION_ENABLE_STDCALL_FIXUP: | |
791 | pe_enable_stdcall_fixup = 1; | |
792 | break; | |
793 | case OPTION_DISABLE_STDCALL_FIXUP: | |
794 | pe_enable_stdcall_fixup = 0; | |
795 | break; | |
870df5dc NC |
796 | case OPTION_WARN_DUPLICATE_EXPORTS: |
797 | pe_dll_warn_dup_exports = 1; | |
798 | break; | |
799 | case OPTION_IMP_COMPAT: | |
800 | pe_dll_compat_implib = 1; | |
801 | break; | |
5f577f7d DD |
802 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
803 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
804 | if (optarg && *optarg) |
805 | { | |
806 | char *end; | |
61e2488c | 807 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
808 | /* XXX should check that we actually parsed something */ |
809 | } | |
5f577f7d DD |
810 | break; |
811 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
812 | pe_enable_auto_image_base = 0; | |
813 | break; | |
627427de | 814 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 815 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 816 | break; |
1122a5fc NC |
817 | case OPTION_NO_DEFAULT_EXCLUDES: |
818 | pe_dll_do_default_excludes = 0; | |
819 | break; | |
decc3638 | 820 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 821 | link_info.pei386_auto_import = 1; |
decc3638 CW |
822 | break; |
823 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 824 | link_info.pei386_auto_import = 0; |
decc3638 | 825 | break; |
2fa9fc65 | 826 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
827 | link_info.pei386_runtime_pseudo_reloc = |
828 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 829 | break; |
6cb442d3 KT |
830 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
831 | link_info.pei386_runtime_pseudo_reloc = 1; | |
832 | break; | |
833 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
834 | link_info.pei386_runtime_pseudo_reloc = 2; | |
835 | break; | |
2fa9fc65 NC |
836 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
837 | link_info.pei386_runtime_pseudo_reloc = 0; | |
838 | break; | |
decc3638 CW |
839 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
840 | pe_dll_extra_pe_debug = 1; | |
841 | break; | |
c6c37250 | 842 | #endif |
26d2d8a2 BF |
843 | case OPTION_LARGE_ADDRESS_AWARE: |
844 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
845 | break; | |
f69a2f97 NC |
846 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
847 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
848 | break; | |
88183869 DK |
849 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
850 | pe_use_coff_long_section_names = 1; | |
851 | break; | |
852 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
853 | pe_use_coff_long_section_names = 0; | |
854 | break; | |
2f563b51 DK |
855 | /* Get DLLCharacteristics bits */ |
856 | case OPTION_DYNAMIC_BASE: | |
857 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
858 | break; | |
859 | case OPTION_FORCE_INTEGRITY: | |
860 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
861 | break; | |
862 | case OPTION_NX_COMPAT: | |
863 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
864 | break; | |
865 | case OPTION_NO_ISOLATION: | |
866 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
867 | break; | |
868 | case OPTION_NO_SEH: | |
869 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
870 | break; | |
871 | case OPTION_NO_BIND: | |
872 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
873 | break; | |
874 | case OPTION_WDM_DRIVER: | |
875 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
876 | break; | |
877 | case OPTION_TERMINAL_SERVER_AWARE: | |
878 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
879 | break; | |
61e2488c JT |
880 | case OPTION_BUILD_ID: |
881 | if (emit_build_id != NULL) | |
882 | { | |
883 | free ((char *) emit_build_id); | |
884 | emit_build_id = NULL; | |
885 | } | |
886 | if (optarg == NULL) | |
887 | optarg = DEFAULT_BUILD_ID_STYLE; | |
888 | if (strcmp (optarg, "none")) | |
889 | emit_build_id = xstrdup (optarg); | |
890 | break; | |
252b5132 | 891 | } |
2f563b51 DK |
892 | |
893 | /* Set DLLCharacteristics bits */ | |
894 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
895 | ||
3bcf5557 | 896 | return TRUE; |
252b5132 RH |
897 | } |
898 | \f | |
5f577f7d | 899 | |
2ef53d66 | 900 | #ifdef DLL_SUPPORT |
3fc90ddb | 901 | static unsigned long |
5f577f7d DD |
902 | strhash (const char *str) |
903 | { | |
904 | const unsigned char *s; | |
905 | unsigned long hash; | |
906 | unsigned int c; | |
907 | unsigned int len; | |
908 | ||
909 | hash = 0; | |
910 | len = 0; | |
911 | s = (const unsigned char *) str; | |
912 | while ((c = *s++) != '\0') | |
913 | { | |
914 | hash += c + (c << 17); | |
915 | hash ^= hash >> 2; | |
916 | ++len; | |
917 | } | |
918 | hash += len + (len << 17); | |
919 | hash ^= hash >> 2; | |
920 | ||
921 | return hash; | |
922 | } | |
923 | ||
4cd89863 NC |
924 | /* Use the output file to create a image base for relocatable DLLs. */ |
925 | ||
5f577f7d DD |
926 | static unsigned long |
927 | compute_dll_image_base (const char *ofile) | |
928 | { | |
929 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 930 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 931 | } |
2ef53d66 | 932 | #endif |
5f577f7d | 933 | |
252b5132 RH |
934 | /* Assign values to the special symbols before the linker script is |
935 | read. */ | |
936 | ||
937 | static void | |
0c7a8e5a | 938 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
939 | { |
940 | /* Run through and invent symbols for all the | |
4cd89863 | 941 | names and insert the defaults. */ |
d74720d2 | 942 | int j; |
b804e4af | 943 | |
d74720d2 | 944 | is_underscoring (); |
252b5132 RH |
945 | |
946 | if (!init[IMAGEBASEOFF].inited) | |
947 | { | |
0e1862bb | 948 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 949 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 950 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 951 | { |
2ef53d66 | 952 | #ifdef DLL_SUPPORT |
d127ecce AM |
953 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
954 | ? compute_dll_image_base (output_filename) | |
955 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 956 | #else |
d127ecce | 957 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 958 | #endif |
d127ecce | 959 | } |
252b5132 RH |
960 | else |
961 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 962 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
963 | } |
964 | ||
1049f94e | 965 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 966 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
967 | return; |
968 | ||
4cd89863 | 969 | /* Glue the assignments into the abs section. */ |
bde18da4 | 970 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
971 | |
972 | for (j = 0; init[j].ptr; j++) | |
973 | { | |
974 | long val = init[j].value; | |
975 | lang_assignment_statement_type *rv; | |
522f09cd | 976 | |
2e57b2af | 977 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
eb8476a6 | 978 | exp_intop (val), FALSE)); |
939ba9d0 NC |
979 | if (init[j].size == sizeof (short)) |
980 | *(short *) init[j].ptr = val; | |
981 | else if (init[j].size == sizeof (int)) | |
982 | *(int *) init[j].ptr = val; | |
983 | else if (init[j].size == sizeof (long)) | |
984 | *(long *) init[j].ptr = val; | |
252b5132 | 985 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
986 | else if (init[j].size == sizeof (bfd_vma)) |
987 | *(bfd_vma *) init[j].ptr = val; | |
988 | else abort (); | |
252b5132 RH |
989 | if (j == IMAGEBASEOFF) |
990 | image_base_statement = rv; | |
991 | } | |
4cd89863 | 992 | /* Restore the pointer. */ |
bde18da4 | 993 | pop_stat_ptr (); |
3fc90ddb | 994 | |
d127ecce | 995 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 | 996 | { |
df5f2391 | 997 | einfo (_("%P: warning, file alignment > section alignment\n")); |
252b5132 RH |
998 | } |
999 | } | |
1000 | ||
1001 | /* This is called after the linker script and the command line options | |
1002 | have been read. */ | |
1003 | ||
1004 | static void | |
0c7a8e5a | 1005 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1006 | { |
8b747e1a DK |
1007 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1008 | option hoping it will work on PE. */ | |
1009 | if (link_info.export_dynamic) | |
1010 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1011 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1012 | |
decfa41e KT |
1013 | set_entry_point (); |
1014 | ||
97b11f40 | 1015 | after_parse_default (); |
252b5132 RH |
1016 | } |
1017 | ||
2ef53d66 | 1018 | #ifdef DLL_SUPPORT |
252b5132 RH |
1019 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1020 | ||
b34976b6 | 1021 | static bfd_boolean |
0c7a8e5a | 1022 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1023 | { |
decc3638 | 1024 | int sl; |
0c7a8e5a | 1025 | char *string = inf; |
8a9eab9b | 1026 | const char *hs = h->root.string; |
4cd89863 | 1027 | |
0c7a8e5a | 1028 | sl = strlen (string); |
252b5132 | 1029 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1030 | && ((*hs == '@' && *string == '_' |
1031 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1032 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1033 | && h->root.string[sl] == '@') |
decc3638 CW |
1034 | { |
1035 | pe_undef_found_sym = h; | |
b34976b6 | 1036 | return FALSE; |
decc3638 | 1037 | } |
b34976b6 | 1038 | return TRUE; |
252b5132 RH |
1039 | } |
1040 | ||
67f101ee NC |
1041 | /* Change UNDEF to a defined symbol, taking data from SYM. */ |
1042 | ||
1043 | static void | |
1044 | change_undef (struct bfd_link_hash_entry * undef, | |
1045 | struct bfd_link_hash_entry * sym) | |
1046 | { | |
1047 | static bfd_boolean gave_warning_message = FALSE; | |
1048 | ||
1049 | undef->type = bfd_link_hash_defined; | |
1050 | undef->u.def.value = sym->u.def.value; | |
1051 | undef->u.def.section = sym->u.def.section; | |
1052 | ||
1053 | if (pe_enable_stdcall_fixup == -1) | |
1054 | { | |
df5f2391 | 1055 | einfo (_("%P: warning: resolving %s by linking to %s\n"), |
67f101ee NC |
1056 | undef->root.string, sym->root.string); |
1057 | ||
1058 | if (! gave_warning_message) | |
1059 | { | |
1060 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
1061 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
1062 | gave_warning_message = TRUE; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | /* PR 19803: Make sure that the linked symbol is not garbage collected. */ | |
1067 | lang_add_gc_name (sym->root.string); | |
1068 | } | |
1069 | ||
252b5132 | 1070 | static void |
0c7a8e5a | 1071 | pe_fixup_stdcalls (void) |
252b5132 | 1072 | { |
252b5132 | 1073 | struct bfd_link_hash_entry *undef, *sym; |
c9e38879 | 1074 | |
3fc90ddb | 1075 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1076 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1077 | |
f6e332e6 | 1078 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1079 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1080 | { |
67f101ee NC |
1081 | const char * name = undef->root.string; |
1082 | char * at; | |
1083 | int lead_at = (*name == '@'); | |
1084 | ||
8a9eab9b | 1085 | if (lead_at) |
67f101ee NC |
1086 | at = strchr (name + 1, '@'); |
1087 | else | |
1088 | at = strchr (name, '@'); | |
b34976b6 | 1089 | |
8a9eab9b | 1090 | if (at || lead_at) |
c9e38879 NC |
1091 | { |
1092 | /* The symbol is a stdcall symbol, so let's look for a | |
1093 | cdecl symbol with the same name and resolve to that. */ | |
67f101ee | 1094 | char *cname = xstrdup (name); |
8a9eab9b KT |
1095 | |
1096 | if (lead_at) | |
1097 | *cname = '_'; | |
6c19b93b | 1098 | if (at) |
67f101ee NC |
1099 | * strchr (cname, '@') = 0; |
1100 | sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE); | |
c9e38879 NC |
1101 | |
1102 | if (sym && sym->type == bfd_link_hash_defined) | |
67f101ee | 1103 | change_undef (undef, sym); |
c9e38879 NC |
1104 | } |
1105 | else | |
1106 | { | |
1107 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1108 | symbols - which means scanning the whole symbol table. */ |
67f101ee | 1109 | pe_undef_found_sym = NULL; |
c9e38879 | 1110 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
67f101ee NC |
1111 | (char *) name); |
1112 | if (pe_undef_found_sym) | |
1113 | change_undef (undef, pe_undef_found_sym); | |
c9e38879 | 1114 | } |
252b5132 | 1115 | } |
252b5132 | 1116 | } |
decc3638 | 1117 | |
317ff008 EB |
1118 | static void |
1119 | make_import_fixup (arelent *rel, asection *s, char *name, const char *symname) | |
decc3638 | 1120 | { |
fc0a2244 | 1121 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1122 | char addend[4]; |
317ff008 | 1123 | bfd_vma _addend; |
decc3638 | 1124 | |
3fc90ddb | 1125 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1126 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1127 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1128 | |
c99b8138 | 1129 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
df5f2391 | 1130 | einfo (_("%P: %C: cannot get section contents - auto-import exception\n"), |
c9e38879 | 1131 | s->owner, s, rel->address); |
0d888aac | 1132 | |
317ff008 EB |
1133 | _addend = bfd_get_32 (s->owner, addend); |
1134 | pe_create_import_fixup (rel, s, _addend, name, symname); | |
decc3638 | 1135 | } |
252b5132 | 1136 | |
b34976b6 | 1137 | static bfd_boolean |
0c7a8e5a | 1138 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1139 | { |
80cc85a9 | 1140 | printf ("+%s\n", h->string); |
c9e38879 | 1141 | |
b34976b6 | 1142 | return TRUE; |
decc3638 | 1143 | } |
4b83d615 | 1144 | #endif /* DLL_SUPPORT */ |
decc3638 | 1145 | |
e4492aa0 | 1146 | static void |
3efd345c DK |
1147 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1148 | { | |
1149 | int *found = (int *) obj; | |
1150 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1151 | *found = 1; | |
1152 | } | |
decc3638 | 1153 | |
61e2488c JT |
1154 | static bfd_boolean |
1155 | pecoff_checksum_contents (bfd *abfd, | |
1156 | void (*process) (const void *, size_t, void *), | |
1157 | void *arg) | |
1158 | { | |
1159 | file_ptr filepos = (file_ptr) 0; | |
1160 | ||
1161 | while (1) | |
1162 | { | |
1163 | unsigned char b; | |
1164 | int status; | |
1165 | ||
1166 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1167 | return 0; | |
1168 | ||
1169 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1170 | if (status < 1) | |
6c19b93b AM |
1171 | { |
1172 | break; | |
1173 | } | |
61e2488c JT |
1174 | |
1175 | (*process) (&b, 1, arg); | |
1176 | filepos += 1; | |
1177 | } | |
1178 | ||
1179 | return TRUE; | |
1180 | } | |
1181 | ||
1182 | static bfd_boolean | |
1183 | write_build_id (bfd *abfd) | |
1184 | { | |
1185 | struct pe_tdata *t = pe_data (abfd); | |
1186 | asection *asec; | |
1187 | struct bfd_link_order *link_order = NULL; | |
1188 | unsigned char *contents; | |
1189 | bfd_size_type size; | |
1190 | bfd_size_type build_id_size; | |
1191 | unsigned char *build_id; | |
1192 | ||
74fffc39 | 1193 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1194 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1195 | { | |
1196 | struct bfd_link_order *l = NULL; | |
1197 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
6c19b93b AM |
1198 | { |
1199 | if (l->type == bfd_indirect_link_order) | |
1200 | { | |
1201 | if (l->u.indirect.section == t->build_id.sec) | |
1202 | { | |
1203 | link_order = l; | |
1204 | break; | |
1205 | } | |
1206 | } | |
1207 | } | |
61e2488c JT |
1208 | |
1209 | if (link_order) | |
6c19b93b | 1210 | break; |
61e2488c JT |
1211 | } |
1212 | ||
1213 | if (!link_order) | |
1214 | { | |
74fffc39 | 1215 | einfo (_("%P: warning: .buildid section discarded," |
df5f2391 | 1216 | " --build-id ignored\n")); |
61e2488c JT |
1217 | return TRUE; |
1218 | } | |
1219 | ||
1220 | if (t->build_id.sec->contents == NULL) | |
1221 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1222 | contents = t->build_id.sec->contents; | |
1223 | size = t->build_id.sec->size; | |
1224 | ||
1225 | build_id_size = compute_build_id_size (t->build_id.style); | |
1226 | build_id = xmalloc (build_id_size); | |
1227 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1228 | ||
1229 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1230 | ||
1231 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1232 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1233 | idd.Characteristics = 0; | |
1234 | idd.TimeDateStamp = 0; | |
1235 | idd.MajorVersion = 0; | |
1236 | idd.MinorVersion = 0; | |
1237 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1238 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1239 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1240 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1241 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1242 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1243 | ||
1244 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1245 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1246 | ||
1247 | /* Write the debug directory entry. */ | |
1248 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1249 | return 0; | |
1250 | ||
b6518b38 | 1251 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1252 | return 0; |
1253 | ||
1254 | /* Construct the CodeView record. */ | |
1255 | CODEVIEW_INFO cvinfo; | |
1256 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1257 | cvinfo.Age = 1; | |
1258 | ||
1259 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1260 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1261 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1262 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1263 | ||
1264 | free (build_id); | |
1265 | ||
1266 | /* Write the codeview record. */ | |
1267 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1268 | return 0; | |
1269 | ||
1270 | /* Record the location of the debug directory in the data directory. */ | |
1271 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1272 | = asec->vma - ib + link_order->offset; | |
1273 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1274 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1275 | ||
1276 | return TRUE; | |
1277 | } | |
1278 | ||
74fffc39 | 1279 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
61e2488c JT |
1280 | static bfd_boolean |
1281 | setup_build_id (bfd *ibfd) | |
1282 | { | |
1283 | asection *s; | |
1284 | flagword flags; | |
1285 | ||
1286 | if (!validate_build_id_style (emit_build_id)) | |
1287 | { | |
df5f2391 | 1288 | einfo (_("%P: warning: unrecognized --build-id style ignored\n")); |
61e2488c JT |
1289 | return FALSE; |
1290 | } | |
1291 | ||
1292 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1293 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1294 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1295 | if (s != NULL) |
1296 | { | |
1297 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1298 | t->build_id.after_write_object_contents = &write_build_id; | |
1299 | t->build_id.style = emit_build_id; | |
1300 | t->build_id.sec = s; | |
1301 | ||
1302 | /* Section is a fixed size: | |
1303 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1304 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1305 | null byte for PdbFileName. */ | |
1306 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1307 | + sizeof (CV_INFO_PDB70) + 1; | |
1308 | ||
1309 | return TRUE; | |
1310 | } | |
1311 | ||
df5f2391 AM |
1312 | einfo (_("%P: warning: cannot create .buildid section," |
1313 | " --build-id ignored\n")); | |
61e2488c JT |
1314 | return FALSE; |
1315 | } | |
1316 | ||
252b5132 | 1317 | static void |
0c7a8e5a | 1318 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1319 | { |
5c3049d2 AM |
1320 | after_open_default (); |
1321 | ||
4b83d615 | 1322 | #ifdef DLL_SUPPORT |
3fc90ddb | 1323 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1324 | { |
1325 | bfd *a; | |
1326 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1327 | |
decc3638 CW |
1328 | printf ("%s()\n", __FUNCTION__); |
1329 | ||
f6e332e6 | 1330 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1331 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1332 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1333 | |
c72f2fb2 | 1334 | for (a = link_info.input_bfds; a; a = a->link.next) |
c9e38879 | 1335 | printf ("*%s\n",a->filename); |
decc3638 | 1336 | } |
4b83d615 | 1337 | #endif |
3fc90ddb | 1338 | |
61e2488c JT |
1339 | if (emit_build_id != NULL) |
1340 | { | |
1341 | bfd *abfd; | |
1342 | ||
1343 | /* Find a COFF input. */ | |
1344 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1345 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1346 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1347 | break; | |
1348 | ||
1349 | /* If there are no COFF input files do not try to | |
1350 | add a build-id section. */ | |
1351 | if (abfd == NULL | |
1352 | || !setup_build_id (abfd)) | |
1353 | { | |
1354 | free ((char *) emit_build_id); | |
1355 | emit_build_id = NULL; | |
1356 | } | |
1357 | } | |
1358 | ||
252b5132 RH |
1359 | /* Pass the wacky PE command line options into the output bfd. |
1360 | FIXME: This should be done via a function, rather than by | |
1361 | including an internal BFD header. */ | |
3fc90ddb | 1362 | |
eabf307f AM |
1363 | if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour |
1364 | || coff_data (link_info.output_bfd) == NULL | |
f13a99db | 1365 | || coff_data (link_info.output_bfd)->pe == 0) |
df5f2391 | 1366 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"), |
f13a99db | 1367 | link_info.output_bfd); |
252b5132 | 1368 | |
f13a99db AM |
1369 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1370 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1371 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
0cb112f7 | 1372 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
3efd345c DK |
1373 | |
1374 | /* At this point we must decide whether to use long section names | |
1375 | in the output or not. If the user hasn't explicitly specified | |
1376 | on the command line, we leave it to the default for the format | |
1377 | (object files yes, image files no), except if there is debug | |
1378 | information present; GDB relies on the long section names to | |
1379 | find it, so enable it in that case. */ | |
1380 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1381 | { | |
0e1862bb | 1382 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1383 | pe_use_coff_long_section_names = 1; |
1384 | else | |
3efd345c | 1385 | { |
61e2488c JT |
1386 | /* Iterate over all sections of all input BFDs, checking |
1387 | for any that begin 'debug_' and are long names. */ | |
1388 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1389 | { | |
1390 | int found_debug = 0; | |
1391 | ||
1392 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1393 | if (found_debug) | |
1394 | { | |
1395 | pe_use_coff_long_section_names = 1; | |
1396 | break; | |
1397 | } | |
1398 | } | |
3efd345c DK |
1399 | } |
1400 | } | |
1401 | ||
88183869 | 1402 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1403 | |
c6c37250 | 1404 | #ifdef DLL_SUPPORT |
f13a99db | 1405 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1406 | |
317ff008 EB |
1407 | if (link_info.pei386_auto_import) /* -1=warn or 1=enable */ |
1408 | pe_find_data_imports (U ("_head_"), make_import_fixup); | |
decc3638 | 1409 | |
317ff008 EB |
1410 | /* The implementation of the feature is rather dumb and would cause the |
1411 | compilation time to go through the roof if there are many undefined | |
1412 | symbols in the link, so it needs to be run after auto-import. */ | |
1413 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */ | |
8a9eab9b KT |
1414 | pe_fixup_stdcalls (); |
1415 | ||
7148cc28 NC |
1416 | #if defined (TARGET_IS_i386pe) \ |
1417 | || defined (TARGET_IS_armpe) \ | |
7148cc28 | 1418 | || defined (TARGET_IS_arm_wince_pe) |
0e1862bb | 1419 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1420 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1421 | #else |
0e1862bb | 1422 | if (bfd_link_pic (&link_info)) |
f13a99db | 1423 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1424 | else |
1425 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1426 | #endif |
7148cc28 | 1427 | #endif /* DLL_SUPPORT */ |
252b5132 | 1428 | |
ddb00039 | 1429 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1430 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1431 | { |
1432 | /* The arm backend needs special fields in the output hash structure. | |
1433 | These will only be created if the output format is an arm format, | |
1434 | hence we do not support linking and changing output formats at the | |
1435 | same time. Use a link followed by objcopy to change output formats. */ | |
df5f2391 AM |
1436 | einfo (_("%F%P: error: cannot change output format " |
1437 | "whilst linking %s binaries\n"), "ARM"); | |
f11523b0 NC |
1438 | return; |
1439 | } | |
252b5132 RH |
1440 | { |
1441 | /* Find a BFD that can hold the interworking stubs. */ | |
1442 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1443 | { | |
7148cc28 | 1444 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1445 | break; |
1446 | } | |
1447 | } | |
1448 | #endif | |
c6c37250 | 1449 | |
486e80e2 | 1450 | { |
486e80e2 DD |
1451 | /* This next chunk of code tries to detect the case where you have |
1452 | two import libraries for the same DLL (specifically, | |
1453 | symbolically linking libm.a and libc.a in cygwin to | |
1454 | libcygwin.a). In those cases, it's possible for function | |
1455 | thunks from the second implib to be used but without the | |
1456 | head/tail objects, causing an improper import table. We detect | |
1457 | those cases and rename the "other" import libraries to match | |
1458 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1459 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1460 | |
1461 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1462 | { | |
1463 | if (is->the_bfd->my_archive) | |
1464 | { | |
1465 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1466 | asection *sec; | |
3fc90ddb | 1467 | |
6e45556a | 1468 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1469 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1470 | { | |
1471 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1472 | idata2 = 1; | |
0112cd26 | 1473 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1474 | is_imp = 1; |
1475 | reloc_count += sec->reloc_count; | |
1476 | } | |
3fc90ddb | 1477 | |
486e80e2 DD |
1478 | if (is_imp && !idata2 && reloc_count) |
1479 | { | |
6e45556a NC |
1480 | /* It is, look for the reference to head and see if it's |
1481 | from our own library. */ | |
486e80e2 DD |
1482 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1483 | { | |
1484 | int i; | |
6e45556a | 1485 | long relsize; |
102c86f8 | 1486 | asymbol **symbols; |
102c86f8 NC |
1487 | arelent **relocs; |
1488 | int nrelocs; | |
3fc90ddb | 1489 | |
102c86f8 | 1490 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1491 | if (relsize < 1) |
1492 | break; | |
3fc90ddb | 1493 | |
5c1d2f5f | 1494 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1495 | { |
df5f2391 | 1496 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f | 1497 | is->the_bfd); |
6e45556a NC |
1498 | return; |
1499 | } | |
5c1d2f5f | 1500 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1501 | |
d127ecce | 1502 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1503 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1504 | relocs, symbols); |
6e45556a NC |
1505 | if (nrelocs < 0) |
1506 | { | |
1507 | free (relocs); | |
d003af55 | 1508 | einfo (_("%X%P: unable to process relocs: %E\n")); |
6e45556a NC |
1509 | return; |
1510 | } | |
3fc90ddb | 1511 | |
6e45556a | 1512 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1513 | { |
fc0a2244 | 1514 | struct bfd_symbol *s; |
6e45556a | 1515 | struct bfd_link_hash_entry * blhe; |
b16c44de | 1516 | const char *other_bfd_filename; |
6e45556a | 1517 | char *n; |
3fc90ddb | 1518 | |
486e80e2 | 1519 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1520 | |
6e45556a NC |
1521 | if (s->flags & BSF_LOCAL) |
1522 | continue; | |
3fc90ddb | 1523 | |
6e45556a NC |
1524 | /* Thunk section with reloc to another bfd. */ |
1525 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1526 | s->name, | |
b34976b6 | 1527 | FALSE, FALSE, TRUE); |
3fc90ddb | 1528 | |
6e45556a NC |
1529 | if (blhe == NULL |
1530 | || blhe->type != bfd_link_hash_defined) | |
1531 | continue; | |
3fc90ddb | 1532 | |
2a08daf3 DS |
1533 | other_bfd_filename |
1534 | = blhe->u.def.section->owner->my_archive | |
1535 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1536 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1537 | |
42627821 KT |
1538 | if (filename_cmp (bfd_get_filename |
1539 | (is->the_bfd->my_archive), | |
1540 | other_bfd_filename) == 0) | |
6e45556a | 1541 | continue; |
3fc90ddb | 1542 | |
c034e3e0 | 1543 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1544 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1545 | strcpy (n, other_bfd_filename); | |
90d92a63 | 1546 | bfd_set_filename (is->the_bfd->my_archive, n); |
486e80e2 DD |
1547 | } |
1548 | ||
1549 | free (relocs); | |
6e45556a NC |
1550 | /* Note - we do not free the symbols, |
1551 | they are now cached in the BFD. */ | |
486e80e2 DD |
1552 | } |
1553 | } | |
1554 | } | |
1555 | } | |
1556 | } | |
1557 | ||
c6c37250 | 1558 | { |
f0c87f88 | 1559 | int is_ms_arch = 0; |
1069dd8d | 1560 | bfd *cur_arch = 0; |
c6c37250 | 1561 | lang_input_statement_type *is2; |
44dbf363 | 1562 | lang_input_statement_type *is3; |
1069dd8d | 1563 | |
c6c37250 DD |
1564 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1565 | /* Microsoft import libraries have every member named the same, | |
1566 | and not in the right order for us to link them correctly. We | |
1567 | must detect these and rename the members so that they'll link | |
1568 | correctly. There are three types of objects: the head, the | |
1569 | thunks, and the sentinel(s). The head is easy; it's the one | |
1570 | with idata2. We assume that the sentinels won't have relocs, | |
1571 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1572 | table for external references. */ |
c6c37250 DD |
1573 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1574 | { | |
1575 | if (is->the_bfd->my_archive) | |
1576 | { | |
44dbf363 | 1577 | char *pnt; |
c6c37250 | 1578 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1579 | |
c6c37250 DD |
1580 | if (cur_arch != arch) |
1581 | { | |
1582 | cur_arch = arch; | |
1583 | is_ms_arch = 1; | |
44dbf363 NC |
1584 | |
1585 | for (is3 = is; | |
1586 | is3 && is3->the_bfd->my_archive == arch; | |
1587 | is3 = (lang_input_statement_type *) is3->next) | |
1588 | { | |
1af699f4 | 1589 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1590 | members, so look for the first element with a .dll |
1591 | extension, and use that for the remainder of the | |
1592 | comparisons. */ | |
1593 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
42627821 | 1594 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1595 | break; |
44dbf363 NC |
1596 | } |
1597 | ||
1598 | if (is3 == NULL) | |
1599 | is_ms_arch = 0; | |
1600 | else | |
c6c37250 | 1601 | { |
44dbf363 NC |
1602 | /* OK, found one. Now look to see if the remaining |
1603 | (dynamic import) members use the same name. */ | |
1604 | for (is2 = is; | |
1605 | is2 && is2->the_bfd->my_archive == arch; | |
1606 | is2 = (lang_input_statement_type *) is2->next) | |
1607 | { | |
1608 | /* Skip static members, ie anything with a .obj | |
1609 | extension. */ | |
1610 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
42627821 | 1611 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1612 | continue; |
1613 | ||
42627821 KT |
1614 | if (filename_cmp (is3->the_bfd->filename, |
1615 | is2->the_bfd->filename)) | |
44dbf363 NC |
1616 | { |
1617 | is_ms_arch = 0; | |
1618 | break; | |
1619 | } | |
1620 | } | |
c6c37250 DD |
1621 | } |
1622 | } | |
1623 | ||
44dbf363 NC |
1624 | /* This fragment might have come from an .obj file in a Microsoft |
1625 | import, and not an actual import record. If this is the case, | |
1626 | then leave the filename alone. */ | |
1627 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1628 | ||
42627821 | 1629 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1630 | { |
1069dd8d | 1631 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1632 | asection *sec; |
1633 | char *new_name, seq; | |
1069dd8d | 1634 | |
c6c37250 DD |
1635 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1636 | { | |
1637 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1638 | idata2 = 1; | |
1639 | reloc_count += sec->reloc_count; | |
1640 | } | |
1641 | ||
1642 | if (idata2) /* .idata2 is the TOC */ | |
1643 | seq = 'a'; | |
1644 | else if (reloc_count > 0) /* thunks */ | |
1645 | seq = 'b'; | |
1646 | else /* sentinel */ | |
1647 | seq = 'c'; | |
1648 | ||
e4e24acb | 1649 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 | 1650 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
90d92a63 | 1651 | bfd_set_filename (is->the_bfd, new_name); |
c6c37250 | 1652 | |
690a460e | 1653 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1654 | sprintf (new_name, "%s.%c", is->filename, seq); |
1655 | is->filename = new_name; | |
1656 | } | |
1657 | } | |
1658 | } | |
1659 | } | |
54727719 NC |
1660 | |
1661 | { | |
1662 | /* The following chunk of code tries to identify jump stubs in | |
1663 | import libraries which are dead code and eliminates them | |
1664 | from the final link. For each exported symbol <sym>, there | |
1665 | is a object file in the import library with a .text section | |
d34c1c51 | 1666 | and several .idata\$* sections. The .text section contains the |
54727719 | 1667 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1668 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1669 | for __imp_<sym> which is the address of the slot for <sym> in |
1670 | the import address table. When a symbol is imported explicitly | |
1671 | using __declspec(dllimport) declaration, the compiler generates | |
1672 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1673 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1674 | needed. The following code tries to identify jump stub sections |
1675 | in import libraries which are not referred to by anyone and | |
1676 | marks them for exclusion from the final link. */ | |
1677 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1678 | { | |
1679 | if (is->the_bfd->my_archive) | |
1680 | { | |
1681 | int is_imp = 0; | |
1682 | asection *sec, *stub_sec = NULL; | |
1683 | ||
1684 | /* See if this is an import library thunk. */ | |
1685 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1686 | { | |
1687 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1688 | is_imp = 1; | |
1689 | /* The section containing the jmp stub has code | |
1690 | and has a reloc. */ | |
1691 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1692 | stub_sec = sec; | |
1693 | } | |
92b93329 | 1694 | |
54727719 NC |
1695 | if (is_imp && stub_sec) |
1696 | { | |
54727719 | 1697 | asymbol **symbols; |
5c1d2f5f | 1698 | long nsyms, src_count; |
54727719 NC |
1699 | struct bfd_link_hash_entry * blhe; |
1700 | ||
5c1d2f5f AM |
1701 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1702 | { | |
df5f2391 | 1703 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f AM |
1704 | is->the_bfd); |
1705 | return; | |
1706 | } | |
1707 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1708 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1709 | |
5c1d2f5f | 1710 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1711 | { |
1712 | if (symbols[src_count]->section->id == stub_sec->id) | |
1713 | { | |
1714 | /* This symbol belongs to the section containing | |
1715 | the stub. */ | |
1716 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1717 | symbols[src_count]->name, | |
1718 | FALSE, FALSE, TRUE); | |
1719 | /* If the symbol in the stub section has no other | |
1720 | undefined references, exclude the stub section | |
1721 | from the final link. */ | |
e0605dbe AM |
1722 | if (blhe != NULL |
1723 | && blhe->type == bfd_link_hash_defined | |
1724 | && blhe->u.undef.next == NULL | |
1725 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1726 | stub_sec->flags |= SEC_EXCLUDE; |
1727 | } | |
1728 | } | |
54727719 NC |
1729 | } |
1730 | } | |
1731 | } | |
1732 | } | |
252b5132 RH |
1733 | } |
1734 | \f | |
3fc90ddb | 1735 | static void |
0c7a8e5a | 1736 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1737 | { |
1738 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1739 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1740 | { |
1741 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1742 | { | |
1743 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1744 | { | |
1745 | /* xgettext:c-format */ | |
df5f2391 | 1746 | einfo (_("%P: errors encountered processing file %s\n"), is->filename); |
252b5132 RH |
1747 | } |
1748 | } | |
1749 | } | |
1750 | ||
c9e38879 | 1751 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1752 | ppc_allocate_toc_section (&link_info); |
1753 | #endif /* TARGET_IS_ppcpe */ | |
1754 | ||
ddb00039 | 1755 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1756 | /* FIXME: we should be able to set the size of the interworking stub |
1757 | section. | |
1758 | ||
1759 | Here we rummage through the found bfds to collect glue | |
1760 | information. FIXME: should this be based on a command line | |
c9e38879 | 1761 | option? krk@cygnus.com. */ |
252b5132 RH |
1762 | { |
1763 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1764 | { | |
7148cc28 | 1765 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1766 | (is->the_bfd, & link_info, support_old_code)) |
1767 | { | |
1768 | /* xgettext:c-format */ | |
df5f2391 | 1769 | einfo (_("%P: errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1770 | is->filename); |
1771 | } | |
1772 | } | |
1773 | } | |
1774 | ||
c9e38879 | 1775 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 | 1776 | bfd_arm_allocate_interworking_sections (& link_info); |
ddb00039 | 1777 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */ |
8423293d | 1778 | |
1e035701 | 1779 | before_allocation_default (); |
252b5132 RH |
1780 | } |
1781 | \f | |
690a460e | 1782 | #ifdef DLL_SUPPORT |
252b5132 | 1783 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1784 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1785 | |
252b5132 | 1786 | static int |
0c7a8e5a | 1787 | saw_option (char *option) |
252b5132 RH |
1788 | { |
1789 | int i; | |
c9e38879 NC |
1790 | |
1791 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1792 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1793 | return init[i].inited; |
1794 | return 0; | |
1795 | } | |
690a460e | 1796 | #endif /* DLL_SUPPORT */ |
252b5132 | 1797 | |
b34976b6 | 1798 | static bfd_boolean |
0c7a8e5a | 1799 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1800 | { |
c6c37250 | 1801 | #ifdef DLL_SUPPORT |
252b5132 RH |
1802 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1803 | ||
42627821 | 1804 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1805 | { |
f2d3750d | 1806 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1807 | |
1808 | if (pe_def_file) | |
252b5132 | 1809 | { |
c9e38879 NC |
1810 | int i, buflen=0, len; |
1811 | char *buf; | |
252b5132 | 1812 | |
c9e38879 | 1813 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1814 | { |
939ba9d0 | 1815 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1816 | if (buflen < len + 2) |
1817 | buflen = len + 2; | |
252b5132 | 1818 | } |
252b5132 | 1819 | |
d127ecce | 1820 | buf = xmalloc (buflen); |
252b5132 | 1821 | |
c9e38879 NC |
1822 | for (i = 0; i < pe_def_file->num_exports; i++) |
1823 | { | |
1824 | struct bfd_link_hash_entry *h; | |
1825 | ||
522f09cd | 1826 | sprintf (buf, "%s%s", U (""), |
6c19b93b | 1827 | pe_def_file->exports[i].internal_name); |
c9e38879 | 1828 | |
b34976b6 | 1829 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 | 1830 | if (h == (struct bfd_link_hash_entry *) NULL) |
df5f2391 | 1831 | einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n")); |
c9e38879 NC |
1832 | if (h->type == bfd_link_hash_new) |
1833 | { | |
1834 | h->type = bfd_link_hash_undefined; | |
1835 | h->u.undef.abfd = NULL; | |
1836 | bfd_link_add_undef (link_info.hash, h); | |
1837 | } | |
1838 | } | |
1839 | free (buf); | |
1840 | ||
1841 | /* def_file_print (stdout, pe_def_file); */ | |
1842 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1843 | link_info.type = type_dll; |
c9e38879 NC |
1844 | |
1845 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1846 | { | |
f13a99db AM |
1847 | pe.ImageBase |
1848 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1849 | = init[IMAGEBASEOFF].value | |
1850 | = pe_def_file->base_address; | |
c9e38879 NC |
1851 | init[IMAGEBASEOFF].inited = 1; |
1852 | if (image_base_statement) | |
eb8476a6 MR |
1853 | image_base_statement->exp |
1854 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
1855 | FALSE); | |
c9e38879 | 1856 | } |
252b5132 | 1857 | |
c9e38879 NC |
1858 | if (pe_def_file->stack_reserve != -1 |
1859 | && ! saw_option ("__size_of_stack_reserve__")) | |
1860 | { | |
1861 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1862 | if (pe_def_file->stack_commit != -1) | |
1863 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1864 | } | |
1865 | if (pe_def_file->heap_reserve != -1 | |
1866 | && ! saw_option ("__size_of_heap_reserve__")) | |
1867 | { | |
1868 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1869 | if (pe_def_file->heap_commit != -1) | |
1870 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1871 | } | |
b34976b6 | 1872 | return TRUE; |
c9e38879 | 1873 | } |
252b5132 | 1874 | } |
252b5132 | 1875 | #endif |
b34976b6 | 1876 | return FALSE; |
252b5132 RH |
1877 | } |
1878 | ||
b34976b6 | 1879 | static bfd_boolean |
0c7a8e5a | 1880 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1881 | { |
c6c37250 | 1882 | #ifdef DLL_SUPPORT |
252b5132 | 1883 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1884 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1885 | #endif |
1886 | #ifdef TARGET_IS_shpe | |
1887 | pe_dll_id_target ("pei-shl"); | |
1888 | #endif | |
344a211f NC |
1889 | #ifdef TARGET_IS_armpe |
1890 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 | 1891 | #endif |
7148cc28 NC |
1892 | #ifdef TARGET_IS_arm_wince_pe |
1893 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1894 | #endif |
ff2bdb9c CF |
1895 | if (pe_bfd_is_dll (entry->the_bfd)) |
1896 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1897 | #endif |
b34976b6 | 1898 | return FALSE; |
252b5132 RH |
1899 | } |
1900 | ||
1901 | static void | |
0c7a8e5a | 1902 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1903 | { |
ddb00039 | 1904 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1905 | struct bfd_link_hash_entry * h; |
1906 | ||
1907 | if (thumb_entry_symbol != NULL) | |
1908 | { | |
b34976b6 AM |
1909 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
1910 | FALSE, FALSE, TRUE); | |
3fc90ddb | 1911 | |
6f798e5c NC |
1912 | if (h != (struct bfd_link_hash_entry *) NULL |
1913 | && (h->type == bfd_link_hash_defined | |
1914 | || h->type == bfd_link_hash_defweak) | |
1915 | && h->u.def.section->output_section != NULL) | |
1916 | { | |
1917 | static char buffer[32]; | |
1918 | bfd_vma val; | |
3fc90ddb | 1919 | |
6f798e5c NC |
1920 | /* Special procesing is required for a Thumb entry symbol. The |
1921 | bottom bit of its address must be set. */ | |
1922 | val = (h->u.def.value | |
fd361982 | 1923 | + bfd_section_vma (h->u.def.section->output_section) |
6f798e5c | 1924 | + h->u.def.section->output_offset); |
3fc90ddb | 1925 | |
6f798e5c | 1926 | val |= 1; |
3fc90ddb | 1927 | |
6f798e5c NC |
1928 | /* Now convert this value into a string and store it in entry_symbol |
1929 | where the lang_finish() function will pick it up. */ | |
1930 | buffer[0] = '0'; | |
1931 | buffer[1] = 'x'; | |
3fc90ddb | 1932 | |
6f798e5c | 1933 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1934 | |
e3e942e9 | 1935 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1936 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1937 | thumb_entry_symbol, entry_symbol.name); |
1938 | entry_symbol.name = buffer; | |
6f798e5c NC |
1939 | } |
1940 | else | |
c58dea77 | 1941 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1942 | } |
ddb00039 | 1943 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1944 | |
1e035701 AM |
1945 | finish_default (); |
1946 | ||
c6c37250 | 1947 | #ifdef DLL_SUPPORT |
0e1862bb | 1948 | if (bfd_link_pic (&link_info) |
e8044f35 | 1949 | #if !defined(TARGET_IS_shpe) |
0e1862bb L |
1950 | || (!bfd_link_relocatable (&link_info) |
1951 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
1952 | #endif |
1953 | ) | |
252b5132 | 1954 | { |
f13a99db | 1955 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
76359541 TP |
1956 | if (command_line.out_implib_filename) |
1957 | pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename, | |
1958 | &link_info); | |
252b5132 | 1959 | } |
e8044f35 | 1960 | #if defined(TARGET_IS_shpe) |
690a460e | 1961 | /* ARM doesn't need relocs. */ |
344a211f NC |
1962 | else |
1963 | { | |
f13a99db | 1964 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
1965 | } |
1966 | #endif | |
3fc90ddb | 1967 | |
252b5132 RH |
1968 | if (pe_out_def_filename) |
1969 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 1970 | #endif /* DLL_SUPPORT */ |
decc3638 | 1971 | |
c9e38879 | 1972 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 1973 | { |
f13a99db | 1974 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 1975 | |
decc3638 CW |
1976 | if (asec) |
1977 | { | |
1af699f4 AM |
1978 | asec->flags &= ~SEC_CODE; |
1979 | asec->flags |= SEC_DATA; | |
decc3638 CW |
1980 | } |
1981 | } | |
252b5132 RH |
1982 | } |
1983 | ||
1984 | \f | |
1985 | /* Place an orphan section. | |
1986 | ||
1987 | We use this to put sections in a reasonable place in the file, and | |
1988 | to ensure that they are aligned as required. | |
1989 | ||
d34c1c51 | 1990 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
1991 | goes into the output section .foo. All grouped sections are sorted |
1992 | by name. | |
1993 | ||
1994 | Grouped sections for the default sections are handled by the | |
1995 | default linker script using wildcards, and are sorted by | |
1996 | sort_sections. */ | |
1997 | ||
c2edb4b8 | 1998 | static lang_output_section_statement_type * |
8a99a385 AM |
1999 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2000 | const char *secname, | |
2001 | int constraint) | |
252b5132 | 2002 | { |
bcacc0f5 | 2003 | const char *orig_secname = secname; |
f0c87f88 | 2004 | char *dollar = NULL; |
aea4bd9d | 2005 | lang_output_section_statement_type *os; |
5ba47421 | 2006 | lang_statement_list_type add_child; |
b5f14a6d | 2007 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2008 | lang_statement_union_type **pl; |
252b5132 | 2009 | |
252b5132 | 2010 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2011 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2012 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2013 | { |
bcacc0f5 | 2014 | size_t len = dollar - secname; |
afd7a018 | 2015 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2016 | memcpy (newname, secname, len); |
afd7a018 AM |
2017 | newname[len] = '\0'; |
2018 | secname = newname; | |
6eec49fc | 2019 | } |
252b5132 | 2020 | |
5ba47421 AM |
2021 | lang_list_init (&add_child); |
2022 | ||
d127ecce AM |
2023 | os = NULL; |
2024 | if (constraint == 0) | |
2025 | for (os = lang_output_section_find (secname); | |
2026 | os != NULL; | |
2027 | os = next_matching_output_section_statement (os, 0)) | |
2028 | { | |
2029 | /* If we don't match an existing output section, tell | |
2030 | lang_insert_orphan to create a new output section. */ | |
2031 | constraint = SPECIAL; | |
2032 | ||
2033 | if (os->bfd_section != NULL | |
2034 | && (os->bfd_section->flags == 0 | |
2035 | || ((s->flags ^ os->bfd_section->flags) | |
2036 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2037 | { | |
2038 | /* We already have an output section statement with this | |
2039 | name, and its bfd section has compatible flags. | |
2040 | If the section already exists but does not have any flags set, | |
2041 | then it has been created by the linker, probably as a result of | |
2042 | a --section-start command line switch. */ | |
b9c361e0 | 2043 | lang_add_section (&add_child, s, NULL, os); |
d127ecce AM |
2044 | break; |
2045 | } | |
b5f14a6d DD |
2046 | |
2047 | /* Save unused output sections in case we can match them | |
2048 | against orphans later. */ | |
2049 | if (os->bfd_section == NULL) | |
2050 | match_by_name = os; | |
d127ecce AM |
2051 | } |
2052 | ||
b5f14a6d DD |
2053 | /* If we didn't match an active output section, see if we matched an |
2054 | unused one and use that. */ | |
2055 | if (os == NULL && match_by_name) | |
2056 | { | |
b9c361e0 | 2057 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2058 | return match_by_name; |
2059 | } | |
2060 | ||
d127ecce | 2061 | if (os == NULL) |
252b5132 | 2062 | { |
afd7a018 AM |
2063 | static struct orphan_save hold[] = |
2064 | { | |
2065 | { ".text", | |
2066 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2067 | 0, 0, 0, 0 }, | |
d4874973 KT |
2068 | { ".idata", |
2069 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2070 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2071 | { ".rdata", |
2072 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2073 | 0, 0, 0, 0 }, | |
2074 | { ".data", | |
2075 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2076 | 0, 0, 0, 0 }, | |
2077 | { ".bss", | |
2078 | SEC_ALLOC, | |
2079 | 0, 0, 0, 0 } | |
2080 | }; | |
2081 | enum orphan_save_index | |
2082 | { | |
2083 | orphan_text = 0, | |
d4874973 | 2084 | orphan_idata, |
afd7a018 AM |
2085 | orphan_rodata, |
2086 | orphan_data, | |
2087 | orphan_bss | |
2088 | }; | |
2089 | static int orphan_init_done = 0; | |
6a345e87 | 2090 | struct orphan_save *place; |
afd7a018 | 2091 | lang_output_section_statement_type *after; |
252b5132 | 2092 | etree_type *address; |
93638471 AM |
2093 | flagword flags; |
2094 | asection *nexts; | |
afd7a018 AM |
2095 | |
2096 | if (!orphan_init_done) | |
2097 | { | |
2098 | struct orphan_save *ho; | |
2099 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2100 | if (ho->name != NULL) | |
2101 | { | |
2102 | ho->os = lang_output_section_find (ho->name); | |
2103 | if (ho->os != NULL && ho->os->flags == 0) | |
2104 | ho->os->flags = ho->flags; | |
2105 | } | |
2106 | orphan_init_done = 1; | |
2107 | } | |
252b5132 | 2108 | |
523f4c92 L |
2109 | flags = s->flags; |
2110 | if (!bfd_link_relocatable (&link_info)) | |
2111 | { | |
2112 | nexts = s; | |
2113 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, | |
2114 | nexts))) | |
2115 | if (nexts->output_section == NULL | |
2116 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2117 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2118 | && (nexts->owner->flags & DYNAMIC) == 0 | |
00f93c44 | 2119 | && !bfd_input_just_syms (nexts->owner)) |
523f4c92 L |
2120 | flags = (((flags ^ SEC_READONLY) |
2121 | | (nexts->flags ^ SEC_READONLY)) | |
2122 | ^ SEC_READONLY); | |
2123 | } | |
2124 | ||
252b5132 RH |
2125 | /* Try to put the new output section in a reasonable place based |
2126 | on the section name and section flags. */ | |
aea4bd9d | 2127 | |
252b5132 | 2128 | place = NULL; |
93638471 | 2129 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2130 | ; |
93638471 | 2131 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2132 | place = &hold[orphan_bss]; |
93638471 | 2133 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2134 | place = &hold[orphan_data]; |
93638471 | 2135 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2136 | { |
2137 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2138 | : &hold[orphan_rodata]); | |
2139 | } | |
1af699f4 | 2140 | else |
afd7a018 | 2141 | place = &hold[orphan_text]; |
1af699f4 | 2142 | |
afd7a018 | 2143 | after = NULL; |
1af699f4 AM |
2144 | if (place != NULL) |
2145 | { | |
afd7a018 AM |
2146 | if (place->os == NULL) |
2147 | place->os = lang_output_section_find (place->name); | |
2148 | after = place->os; | |
2149 | if (after == NULL) | |
93638471 AM |
2150 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2151 | NULL); | |
afd7a018 AM |
2152 | if (after == NULL) |
2153 | /* *ABS* is always the first output section statement. */ | |
8ce18f9c | 2154 | after = (void *) lang_os_list.head; |
252b5132 RH |
2155 | } |
2156 | ||
4bf0cafb DK |
2157 | /* All sections in an executable must be aligned to a page boundary. |
2158 | In a relocatable link, just preserve the incoming alignment; the | |
2159 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2160 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2161 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2162 | &add_child); | |
0e1862bb | 2163 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb | 2164 | { |
3d9c8f6b | 2165 | os->section_alignment = exp_intop (1U << s->alignment_power); |
4bf0cafb DK |
2166 | os->bfd_section->alignment_power = s->alignment_power; |
2167 | } | |
252b5132 RH |
2168 | } |
2169 | ||
011aa75f AM |
2170 | /* If the section name has a '\$', sort it with the other '\$' |
2171 | sections. */ | |
2172 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2173 | { | |
2174 | lang_input_section_type *ls; | |
2175 | const char *lname; | |
252b5132 | 2176 | |
011aa75f AM |
2177 | if ((*pl)->header.type != lang_input_section_enum) |
2178 | continue; | |
252b5132 | 2179 | |
011aa75f | 2180 | ls = &(*pl)->input_section; |
252b5132 | 2181 | |
fd361982 | 2182 | lname = bfd_section_name (ls->section); |
011aa75f AM |
2183 | if (strchr (lname, '\$') != NULL |
2184 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2185 | break; | |
2186 | } | |
5ba47421 | 2187 | |
011aa75f AM |
2188 | if (add_child.head != NULL) |
2189 | { | |
2190 | *add_child.tail = *pl; | |
2191 | *pl = add_child.head; | |
2192 | } | |
252b5132 | 2193 | |
c2edb4b8 | 2194 | return os; |
252b5132 RH |
2195 | } |
2196 | ||
b34976b6 | 2197 | static bfd_boolean |
0c7a8e5a | 2198 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2199 | (const char *arch ATTRIBUTE_UNUSED, |
2200 | search_dirs_type *search, | |
0c7a8e5a | 2201 | lang_input_statement_type *entry) |
690a460e | 2202 | { |
45e948fe NC |
2203 | static const struct |
2204 | { | |
2205 | const char * format; | |
2206 | bfd_boolean use_prefix; | |
2207 | } | |
2208 | libname_fmt [] = | |
2209 | { | |
2210 | /* Preferred explicit import library for dll's. */ | |
2211 | { "lib%s.dll.a", FALSE }, | |
2212 | /* Alternate explicit import library for dll's. */ | |
2213 | { "%s.dll.a", FALSE }, | |
2214 | /* "libfoo.a" could be either an import lib or a static lib. | |
6c19b93b AM |
2215 | For backwards compatibility, libfoo.a needs to precede |
2216 | libfoo.dll and foo.dll in the search. */ | |
45e948fe | 2217 | { "lib%s.a", FALSE }, |
92b93329 | 2218 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe | 2219 | { "%s.lib", FALSE }, |
f6c4d4b1 NC |
2220 | /* PR 22948 - Check for an import library. */ |
2221 | { "lib%s.lib", FALSE }, | |
45e948fe NC |
2222 | #ifdef DLL_SUPPORT |
2223 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
2224 | { "%s%s.dll", TRUE }, | |
2225 | #endif | |
2226 | /* Try "libfoo.dll" (default preferred dll name). */ | |
2227 | { "lib%s.dll", FALSE }, | |
2228 | /* Finally try 'native' dll name "foo.dll". */ | |
2229 | { "%s.dll", FALSE }, | |
2230 | /* Note: If adding more formats to this table, make sure to check to | |
2231 | see if their length is longer than libname_fmt[0].format, and if | |
2232 | so, update the call to xmalloc() below. */ | |
2233 | { NULL, FALSE } | |
2234 | }; | |
b1d9458a | 2235 | static unsigned int format_max_len = 0; |
690a460e | 2236 | const char * filename; |
45e948fe NC |
2237 | char * full_string; |
2238 | char * base_string; | |
2239 | unsigned int i; | |
2240 | ||
690a460e | 2241 | |
d4ae5fb0 | 2242 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
b34976b6 | 2243 | return FALSE; |
690a460e NC |
2244 | |
2245 | filename = entry->filename; | |
2246 | ||
b1d9458a NC |
2247 | if (format_max_len == 0) |
2248 | /* We need to allow space in the memory that we are going to allocate | |
2249 | for the characters in the format string. Since the format array is | |
2250 | static we only need to calculate this information once. In theory | |
2251 | this value could also be computed statically, but this introduces | |
2252 | the possibility for a discrepancy and hence a possible memory | |
2253 | corruption. The lengths we compute here will be too long because | |
2254 | they will include any formating characters (%s) in the strings, but | |
2255 | this will not matter. */ | |
2256 | for (i = 0; libname_fmt[i].format; i++) | |
2257 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2258 | format_max_len = strlen (libname_fmt[i].format); | |
2259 | ||
45e948fe NC |
2260 | full_string = xmalloc (strlen (search->name) |
2261 | + strlen (filename) | |
b1d9458a | 2262 | + format_max_len |
b9a69188 | 2263 | #ifdef DLL_SUPPORT |
45e948fe NC |
2264 | + (pe_dll_search_prefix |
2265 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2266 | #endif |
b1d9458a NC |
2267 | /* Allow for the terminating NUL and for the path |
2268 | separator character that is inserted between | |
2269 | search->name and the start of the format string. */ | |
2270 | + 2); | |
690a460e | 2271 | |
45e948fe NC |
2272 | sprintf (full_string, "%s/", search->name); |
2273 | base_string = full_string + strlen (full_string); | |
690a460e | 2274 | |
45e948fe | 2275 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2276 | { |
92b93329 | 2277 | #ifdef DLL_SUPPORT |
45e948fe | 2278 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2279 | { |
45e948fe NC |
2280 | if (!pe_dll_search_prefix) |
2281 | continue; | |
2282 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2283 | } |
45e948fe NC |
2284 | else |
2285 | #endif | |
2286 | sprintf (base_string, libname_fmt[i].format, filename); | |
2287 | ||
2288 | if (ldfile_try_open_bfd (full_string, entry)) | |
2289 | break; | |
2290 | } | |
2291 | ||
2292 | if (!libname_fmt[i].format) | |
2293 | { | |
2294 | free (full_string); | |
2295 | return FALSE; | |
690a460e | 2296 | } |
602e90d3 | 2297 | |
45e948fe | 2298 | entry->filename = full_string; |
690a460e | 2299 | |
b34976b6 | 2300 | return TRUE; |
690a460e NC |
2301 | } |
2302 | ||
344a211f | 2303 | static int |
0c7a8e5a AM |
2304 | gld_${EMULATION_NAME}_find_potential_libraries |
2305 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2306 | { |
2307 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2308 | } | |
252b5132 RH |
2309 | \f |
2310 | static char * | |
0c7a8e5a | 2311 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2312 | EOF |
2313 | # Scripts compiled in. | |
2314 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2315 | sc="-f stringify.sed" |
252b5132 | 2316 | |
92b93329 | 2317 | fragment <<EOF |
3fc90ddb | 2318 | { |
252b5132 RH |
2319 | *isfile = 0; |
2320 | ||
0e1862bb | 2321 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2322 | return |
2323 | EOF | |
1af699f4 | 2324 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2325 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2326 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2327 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2328 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2329 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2330 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2331 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2332 | 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 |
2333 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2334 | fi | |
1af699f4 AM |
2335 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2336 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2337 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2338 | |
92b93329 | 2339 | fragment <<EOF |
252b5132 RH |
2340 | |
2341 | ||
3fc90ddb | 2342 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2343 | { |
2344 | gld_${EMULATION_NAME}_before_parse, | |
2345 | syslib_default, | |
2346 | hll_default, | |
2347 | gld_${EMULATION_NAME}_after_parse, | |
2348 | gld_${EMULATION_NAME}_after_open, | |
5c3261b0 | 2349 | after_check_relocs_default, |
252b5132 RH |
2350 | after_allocation_default, |
2351 | set_output_arch_default, | |
2352 | ldemul_default_target, | |
2353 | gld_${EMULATION_NAME}_before_allocation, | |
2354 | gld_${EMULATION_NAME}_get_script, | |
2355 | "${EMULATION_NAME}", | |
2356 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2357 | gld_${EMULATION_NAME}_finish, |
2358 | NULL, /* Create output section statements. */ | |
690a460e | 2359 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2360 | gld_${EMULATION_NAME}_place_orphan, |
2361 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2362 | NULL, /* parse_args */ |
2363 | gld${EMULATION_NAME}_add_options, | |
2364 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2365 | gld_${EMULATION_NAME}_unrecognized_file, |
2366 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2367 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2368 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 | 2369 | NULL, /* new_vers_pattern. */ |
1ff6de03 NA |
2370 | NULL, /* extra_map_file_text. */ |
2371 | ${LDEMUL_EMIT_CTF_EARLY-NULL}, | |
2372 | ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL} | |
252b5132 RH |
2373 | }; |
2374 | EOF |