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 |
2571583a | 11 | /* Copyright (C) 1995-2017 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_${EMULATION_NAME} |
39 | ||
40 | /* Do this before including bfd.h, so we prototype the right functions. */ | |
db09f25b | 41 | |
7148cc28 NC |
42 | #if defined(TARGET_IS_armpe) \ |
43 | || defined(TARGET_IS_arm_epoc_pe) \ | |
44 | || defined(TARGET_IS_arm_wince_pe) | |
45 | #define bfd_arm_allocate_interworking_sections \ | |
46 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
47 | #define bfd_arm_get_bfd_for_interworking \ | |
48 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
49 | #define bfd_arm_process_before_allocation \ | |
50 | bfd_${EMULATION_NAME}_process_before_allocation | |
51 | #endif | |
92b93329 | 52 | |
252b5132 | 53 | #include "sysdep.h" |
3db64b00 | 54 | #include "bfd.h" |
252b5132 RH |
55 | #include "bfdlink.h" |
56 | #include "getopt.h" | |
57 | #include "libiberty.h" | |
42627821 | 58 | #include "filenames.h" |
252b5132 RH |
59 | #include "ld.h" |
60 | #include "ldmain.h" | |
252b5132 RH |
61 | #include "ldexp.h" |
62 | #include "ldlang.h" | |
b71e2778 | 63 | #include "ldfile.h" |
252b5132 | 64 | #include "ldemul.h" |
df2a7313 | 65 | #include <ldgram.h> |
252b5132 RH |
66 | #include "ldlex.h" |
67 | #include "ldmisc.h" | |
68 | #include "ldctor.h" | |
61e2488c | 69 | #include "ldbuildid.h" |
252b5132 | 70 | #include "coff/internal.h" |
71add731 | 71 | |
26d2d8a2 BF |
72 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
73 | header in generic PE code. */ | |
74 | #include "coff/i386.h" | |
75 | #include "coff/pe.h" | |
76 | ||
61e2488c | 77 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 78 | using it here. */ |
252b5132 | 79 | #include "../bfd/libcoff.h" |
61e2488c | 80 | #include "../bfd/libpei.h" |
71add731 | 81 | |
252b5132 | 82 | #include "deffile.h" |
1069dd8d | 83 | #include "pe-dll.h" |
29e1a6e4 | 84 | #include "safe-ctype.h" |
14fe918e | 85 | |
2be9b2c7 ILT |
86 | /* Permit the emulation parameters to override the default section |
87 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
88 | it seem that include/coff/internal.h should not define | |
89 | PE_DEF_SECTION_ALIGNMENT. */ | |
90 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
91 | #undef PE_DEF_SECTION_ALIGNMENT | |
92 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
93 | #endif | |
94 | ||
7148cc28 NC |
95 | #if defined(TARGET_IS_i386pe) \ |
96 | || defined(TARGET_IS_shpe) \ | |
7148cc28 NC |
97 | || defined(TARGET_IS_armpe) \ |
98 | || defined(TARGET_IS_arm_epoc_pe) \ | |
99 | || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
100 | #define DLL_SUPPORT |
101 | #endif | |
c6c37250 | 102 | |
e468a046 KT |
103 | #if defined(TARGET_IS_i386pe) |
104 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
105 | #else | |
106 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
107 | #endif | |
108 | ||
344a211f | 109 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 110 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
111 | #else |
112 | #undef NT_EXE_IMAGE_BASE | |
113 | #undef PE_DEF_SECTION_ALIGNMENT | |
114 | #undef PE_DEF_FILE_ALIGNMENT | |
115 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
116 | |
117 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
118 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
119 | #define PE_DEF_SUBSYSTEM 9 | |
120 | #else | |
121 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
122 | #define PE_DEF_SUBSYSTEM 2 | |
123 | #endif | |
124 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
125 | #endif | |
c6c37250 | 126 | |
252b5132 RH |
127 | static struct internal_extra_pe_aouthdr pe; |
128 | static int dll; | |
decfa41e | 129 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 130 | static flagword real_flags = 0; |
252b5132 | 131 | static int support_old_code = 0; |
6f798e5c | 132 | static char * thumb_entry_symbol = NULL; |
252b5132 | 133 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 134 | static unsigned short pe_dll_characteristics = 0; |
eeb14e5a | 135 | static bfd_boolean insert_timestamp = TRUE; |
61e2488c | 136 | static const char *emit_build_id; |
252b5132 | 137 | |
f0c87f88 | 138 | #ifdef DLL_SUPPORT |
4cd89863 | 139 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e | 140 | static char *pe_out_def_filename = NULL; |
5f577f7d | 141 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 142 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 143 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 144 | #endif |
252b5132 RH |
145 | |
146 | extern const char *output_filename; | |
147 | ||
d74720d2 | 148 | static int is_underscoring (void) |
252b5132 | 149 | { |
d74720d2 KT |
150 | int u = 0; |
151 | if (pe_leading_underscore != -1) | |
152 | return pe_leading_underscore; | |
153 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) | |
b804e4af KT |
154 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
155 | ||
156 | if (u == -1) | |
157 | abort (); | |
d74720d2 KT |
158 | pe_leading_underscore = (u != 0 ? 1 : 0); |
159 | return pe_leading_underscore; | |
160 | } | |
b804e4af | 161 | |
d74720d2 KT |
162 | static void |
163 | gld_${EMULATION_NAME}_before_parse (void) | |
164 | { | |
165 | is_underscoring (); | |
5e2f1575 | 166 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 167 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 168 | #ifdef DLL_SUPPORT |
66be1055 | 169 | input_flags.dynamic = TRUE; |
252b5132 | 170 | config.has_shared = 1; |
5b9c6027 DK |
171 | EOF |
172 | ||
173 | # Cygwin no longer wants these noisy warnings. Other PE | |
174 | # targets might like to consider adding themselves here. | |
27320b85 NC |
175 | # See also the mail thread starting here for the reason why |
176 | # merge_rdata defaults to 0 for cygwin: | |
177 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html | |
5b9c6027 DK |
178 | case ${target} in |
179 | *-*-cygwin*) | |
180 | default_auto_import=1 | |
27320b85 | 181 | default_merge_rdata=0 |
ca5f2203 | 182 | ;; |
09db93a8 | 183 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
ca5f2203 KT |
184 | default_auto_import=1 |
185 | default_merge_rdata=0 | |
5b9c6027 DK |
186 | ;; |
187 | *) | |
188 | default_auto_import=-1 | |
ca5f2203 | 189 | default_merge_rdata=1 |
5b9c6027 DK |
190 | ;; |
191 | esac | |
192 | ||
193 | fragment <<EOF | |
194 | link_info.pei386_auto_import = ${default_auto_import}; | |
e468a046 KT |
195 | /* Use by default version. */ |
196 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; | |
252b5132 RH |
197 | #endif |
198 | } | |
199 | \f | |
ca5f2203 KT |
200 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
201 | version 2 is used and auto-import is enabled. */ | |
202 | #define MERGE_RDATA_V2 ${default_merge_rdata} | |
203 | ||
252b5132 RH |
204 | /* PE format extra command line options. */ |
205 | ||
4cd89863 | 206 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
207 | #define OPTION_BASE_FILE (300 + 1) |
208 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
209 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
210 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
211 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
212 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
213 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
214 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
215 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
216 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
217 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
218 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
219 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
220 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
221 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
222 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
223 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
224 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
2927aaca NC |
225 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
226 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) | |
252b5132 RH |
227 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
228 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
229 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
76359541 | 230 | #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1) |
870df5dc NC |
231 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
232 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
233 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
234 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
235 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
236 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
237 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
238 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
239 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 240 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
241 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
242 | (OPTION_EXCLUDE_LIBS + 1) | |
243 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
244 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
0cb112f7 | 245 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 NC |
246 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
247 | (OPTION_LARGE_ADDRESS_AWARE + 1) | |
6cb442d3 | 248 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 249 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
250 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
251 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
252 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
253 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 254 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 255 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
0cb112f7 CF |
256 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
257 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
258 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
259 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
260 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
261 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 262 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
263 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
264 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
265 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 266 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
267 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
268 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
269 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
270 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
271 | /* Determinism. */ |
272 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
273 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
274 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
252b5132 | 275 | |
3bcf5557 | 276 | static void |
0c7a8e5a | 277 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
278 | (int ns ATTRIBUTE_UNUSED, |
279 | char **shortopts ATTRIBUTE_UNUSED, | |
280 | int nl, | |
281 | struct option **longopts, | |
282 | int nrl ATTRIBUTE_UNUSED, | |
283 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 284 | { |
27320b85 NC |
285 | static const struct option xtra_long[] = |
286 | { | |
287 | /* PE options. */ | |
3bcf5557 AM |
288 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
289 | {"dll", no_argument, NULL, OPTION_DLL}, | |
290 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
291 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
292 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
293 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
294 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
295 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
296 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
297 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
298 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
299 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
300 | {"stack", required_argument, NULL, OPTION_STACK}, | |
301 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
302 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
303 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
304 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
305 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
306 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
307 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 308 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 309 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 310 | #ifdef DLL_SUPPORT |
d127ecce AM |
311 | /* getopt allows abbreviations, so we do this to stop it |
312 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
313 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
314 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
315 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
316 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 317 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 318 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 319 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
320 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
321 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
322 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
323 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
3bcf5557 AM |
324 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
325 | /* getopt() allows abbreviations, so we do this to stop it from | |
326 | treating -c as an abbreviation for these --compat-implib. */ | |
327 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
328 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 329 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
330 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
331 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
332 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
333 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
334 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
335 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
336 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
337 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
338 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
339 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 340 | #endif |
26d2d8a2 | 341 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 342 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
343 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
344 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
345 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
346 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
347 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
348 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
349 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
350 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
351 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
352 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
61e2488c | 353 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
3bcf5557 AM |
354 | {NULL, no_argument, NULL, 0} |
355 | }; | |
252b5132 | 356 | |
d127ecce AM |
357 | *longopts |
358 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
359 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
360 | } | |
252b5132 RH |
361 | |
362 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 363 | parameters which may be input from the command line. */ |
252b5132 RH |
364 | |
365 | typedef struct | |
366 | { | |
367 | void *ptr; | |
368 | int size; | |
369 | int value; | |
370 | char *symbol; | |
371 | int inited; | |
522f09cd KT |
372 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
373 | C visible symbols can be prefixed by underscore dependent to target's | |
374 | settings. */ | |
375 | bfd_boolean is_c_symbol; | |
252b5132 RH |
376 | } definfo; |
377 | ||
522f09cd KT |
378 | /* Get symbol name dependent to kind and C visible state of |
379 | underscore. */ | |
380 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
381 | (init[(IDX)].symbol \ | |
535b785f | 382 | + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1)) |
522f09cd KT |
383 | |
384 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
385 | #define U(CSTR) \ | |
d74720d2 | 386 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd KT |
387 | |
388 | /* Get size of constant string for a possible underscore prefixed | |
389 | C visible symbol. */ | |
390 | #define U_SIZE(CSTR) \ | |
d74720d2 | 391 | (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1)) |
522f09cd | 392 | |
61e2488c | 393 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
394 | |
395 | static definfo init[] = | |
396 | { | |
397 | /* imagebase must be first */ | |
398 | #define IMAGEBASEOFF 0 | |
522f09cd | 399 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
252b5132 | 400 | #define DLLOFF 1 |
522f09cd | 401 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
dffc6a64 | 402 | #define MSIMAGEBASEOFF 2 |
522f09cd KT |
403 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
404 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), | |
405 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), | |
406 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), | |
407 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), | |
408 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), | |
409 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), | |
7148cc28 | 410 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
522f09cd | 411 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
344a211f | 412 | #else |
522f09cd | 413 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
344a211f | 414 | #endif |
522f09cd KT |
415 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
416 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), | |
417 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), | |
418 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), | |
419 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), | |
420 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), | |
421 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), | |
422 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), | |
423 | { NULL, 0, 0, NULL, 0 , FALSE} | |
252b5132 RH |
424 | }; |
425 | ||
4cd89863 | 426 | |
252b5132 | 427 | static void |
0c7a8e5a | 428 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
429 | { |
430 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
431 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
432 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
433 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
434 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
435 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
436 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
437 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
438 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
439 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
440 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
441 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
442 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
443 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
444 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 445 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 446 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 447 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 448 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 449 | #ifdef DLL_SUPPORT |
252b5132 RH |
450 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
451 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
452 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
453 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 454 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 455 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
456 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
457 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
458 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
459 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
460 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
252b5132 | 461 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
d0e6d77b | 462 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
463 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
464 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
465 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
466 | (optionally starting with address) unless\n\ | |
467 | specifically set with --image-base\n")); | |
5f577f7d | 468 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
469 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
470 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 471 | in preference to lib<basename>.dll \n")); |
c85f715a | 472 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 473 | __imp_sym for DATA references\n")); |
decc3638 | 474 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 475 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
476 | adding pseudo-relocations resolved at\n\ |
477 | runtime.\n")); | |
2fa9fc65 NC |
478 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
479 | auto-imported DATA.\n")); | |
e3c8793a NC |
480 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
481 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 482 | #endif |
26d2d8a2 BF |
483 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
484 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
485 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
486 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
487 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
488 | executable image files\n")); | |
489 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
490 | in object files\n")); | |
2f563b51 DK |
491 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
492 | address space layout randomization (ASLR)\n")); | |
493 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
494 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
495 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
496 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
497 | be called in this image\n")); | |
498 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
499 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
522f09cd | 500 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
61e2488c | 501 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
252b5132 RH |
502 | } |
503 | ||
4cd89863 | 504 | |
252b5132 | 505 | static void |
0c7a8e5a | 506 | set_pe_name (char *name, long val) |
252b5132 | 507 | { |
d74720d2 KT |
508 | int i; |
509 | is_underscoring (); | |
4cd89863 NC |
510 | |
511 | /* Find the name and set it. */ | |
252b5132 RH |
512 | for (i = 0; init[i].ptr; i++) |
513 | { | |
522f09cd | 514 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
515 | { |
516 | init[i].value = val; | |
517 | init[i].inited = 1; | |
dffc6a64 KT |
518 | if (strcmp (name,"__image_base__") == 0) |
519 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
520 | return; |
521 | } | |
522 | } | |
939ba9d0 | 523 | abort (); |
252b5132 RH |
524 | } |
525 | ||
decfa41e KT |
526 | static void |
527 | set_entry_point (void) | |
528 | { | |
529 | const char *entry; | |
530 | const char *initial_symbol_char; | |
d74720d2 | 531 | int i; |
decfa41e KT |
532 | |
533 | static const struct | |
534 | { | |
535 | const int value; | |
536 | const char *entry; | |
537 | } | |
538 | v[] = | |
539 | { | |
540 | { 1, "NtProcessStartup" }, | |
541 | { 2, "WinMainCRTStartup" }, | |
542 | { 3, "mainCRTStartup" }, | |
543 | { 7, "__PosixProcessStartup"}, | |
544 | { 9, "WinMainCRTStartup" }, | |
545 | {14, "mainCRTStartup" }, | |
546 | { 0, NULL } | |
547 | }; | |
548 | ||
549 | /* Entry point name for arbitrary subsystem numbers. */ | |
550 | static const char default_entry[] = "mainCRTStartup"; | |
551 | ||
0e1862bb | 552 | if (bfd_link_pic (&link_info) || dll) |
decfa41e KT |
553 | { |
554 | #if defined (TARGET_IS_i386pe) | |
555 | entry = "DllMainCRTStartup@12"; | |
556 | #else | |
557 | entry = "DllMainCRTStartup"; | |
558 | #endif | |
559 | } | |
560 | else | |
561 | { | |
decfa41e KT |
562 | for (i = 0; v[i].entry; i++) |
563 | if (v[i].value == pe_subsystem) | |
564 | break; | |
565 | ||
566 | /* If no match, use the default. */ | |
567 | if (v[i].entry != NULL) | |
568 | entry = v[i].entry; | |
569 | else | |
570 | entry = default_entry; | |
571 | } | |
572 | ||
d74720d2 | 573 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 574 | |
decfa41e KT |
575 | if (*initial_symbol_char != '\0') |
576 | { | |
577 | char *alc_entry; | |
578 | ||
579 | /* lang_default_entry expects its argument to be permanently | |
580 | allocated, so we don't free this string. */ | |
581 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
582 | + strlen (entry) | |
583 | + 1); | |
584 | strcpy (alc_entry, initial_symbol_char); | |
585 | strcat (alc_entry, entry); | |
586 | entry = alc_entry; | |
587 | } | |
588 | ||
589 | lang_default_entry (entry); | |
590 | } | |
252b5132 RH |
591 | |
592 | static void | |
0c7a8e5a | 593 | set_pe_subsystem (void) |
252b5132 RH |
594 | { |
595 | const char *sver; | |
33f362e1 | 596 | char *end; |
252b5132 RH |
597 | int len; |
598 | int i; | |
33f362e1 | 599 | unsigned long temp_subsystem; |
3fc90ddb | 600 | static const struct |
252b5132 RH |
601 | { |
602 | const char *name; | |
603 | const int value; | |
252b5132 RH |
604 | } |
605 | v[] = | |
606 | { | |
decfa41e KT |
607 | { "native", 1}, |
608 | { "windows", 2}, | |
609 | { "console", 3}, | |
610 | { "posix", 7}, | |
611 | { "wince", 9}, | |
612 | { "xbox", 14}, | |
613 | { NULL, 0 } | |
252b5132 RH |
614 | }; |
615 | ||
33f362e1 | 616 | /* Check for the presence of a version number. */ |
252b5132 RH |
617 | sver = strchr (optarg, ':'); |
618 | if (sver == NULL) | |
619 | len = strlen (optarg); | |
620 | else | |
621 | { | |
252b5132 RH |
622 | len = sver - optarg; |
623 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 624 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
625 | if (*end == '.') |
626 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 627 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
628 | if (*end != '\0') |
629 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
630 | } | |
631 | ||
33f362e1 NC |
632 | /* Check for numeric subsystem. */ |
633 | temp_subsystem = strtoul (optarg, & end, 0); | |
634 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 635 | { |
33f362e1 NC |
636 | /* Search list for a numeric match to use its entry point. */ |
637 | for (i = 0; v[i].name; i++) | |
638 | if (v[i].value == (int) temp_subsystem) | |
639 | break; | |
640 | ||
33f362e1 | 641 | /* Use this subsystem. */ |
decfa41e | 642 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
643 | } |
644 | else | |
645 | { | |
646 | /* Search for subsystem by name. */ | |
647 | for (i = 0; v[i].name; i++) | |
648 | if (strncmp (optarg, v[i].name, len) == 0 | |
649 | && v[i].name[len] == '\0') | |
650 | break; | |
252b5132 | 651 | |
33f362e1 NC |
652 | if (v[i].name == NULL) |
653 | { | |
654 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
252b5132 RH |
655 | return; |
656 | } | |
33f362e1 | 657 | |
decfa41e | 658 | pe_subsystem = v[i].value; |
252b5132 | 659 | } |
3fc90ddb | 660 | |
decfa41e | 661 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
662 | |
663 | return; | |
252b5132 RH |
664 | } |
665 | ||
666 | ||
252b5132 | 667 | static void |
0c7a8e5a | 668 | set_pe_value (char *name) |
252b5132 RH |
669 | { |
670 | char *end; | |
3fc90ddb | 671 | |
252b5132 | 672 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 673 | |
252b5132 RH |
674 | if (end == optarg) |
675 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
676 | ||
677 | optarg = end; | |
678 | } | |
679 | ||
4cd89863 | 680 | |
252b5132 | 681 | static void |
0c7a8e5a | 682 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
683 | { |
684 | set_pe_value (resname); | |
3fc90ddb | 685 | |
252b5132 RH |
686 | if (*optarg == ',') |
687 | { | |
688 | optarg++; | |
689 | set_pe_value (comname); | |
690 | } | |
691 | else if (*optarg) | |
692 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
693 | } | |
694 | ||
61e2488c | 695 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 696 | |
3bcf5557 | 697 | static bfd_boolean |
0c7a8e5a | 698 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 699 | { |
252b5132 RH |
700 | switch (optc) |
701 | { | |
702 | default: | |
3bcf5557 | 703 | return FALSE; |
252b5132 RH |
704 | |
705 | case OPTION_BASE_FILE: | |
0c7a8e5a | 706 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 707 | if (link_info.base_file == NULL) |
e922bcab | 708 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
709 | break; |
710 | ||
4cd89863 | 711 | /* PE options. */ |
3fc90ddb | 712 | case OPTION_HEAP: |
252b5132 RH |
713 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
714 | break; | |
3fc90ddb | 715 | case OPTION_STACK: |
252b5132 RH |
716 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
717 | break; | |
718 | case OPTION_SUBSYSTEM: | |
719 | set_pe_subsystem (); | |
720 | break; | |
721 | case OPTION_MAJOR_OS_VERSION: | |
722 | set_pe_value ("__major_os_version__"); | |
723 | break; | |
724 | case OPTION_MINOR_OS_VERSION: | |
725 | set_pe_value ("__minor_os_version__"); | |
726 | break; | |
727 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
728 | set_pe_value ("__major_subsystem_version__"); | |
729 | break; | |
730 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
731 | set_pe_value ("__minor_subsystem_version__"); | |
732 | break; | |
733 | case OPTION_MAJOR_IMAGE_VERSION: | |
734 | set_pe_value ("__major_image_version__"); | |
735 | break; | |
736 | case OPTION_MINOR_IMAGE_VERSION: | |
737 | set_pe_value ("__minor_image_version__"); | |
738 | break; | |
739 | case OPTION_FILE_ALIGNMENT: | |
740 | set_pe_value ("__file_alignment__"); | |
741 | break; | |
742 | case OPTION_SECTION_ALIGNMENT: | |
743 | set_pe_value ("__section_alignment__"); | |
744 | break; | |
745 | case OPTION_DLL: | |
746 | set_pe_name ("__dll__", 1); | |
747 | break; | |
748 | case OPTION_IMAGE_BASE: | |
749 | set_pe_value ("__image_base__"); | |
750 | break; | |
751 | case OPTION_SUPPORT_OLD_CODE: | |
752 | support_old_code = 1; | |
753 | break; | |
6f798e5c NC |
754 | case OPTION_THUMB_ENTRY: |
755 | thumb_entry_symbol = optarg; | |
756 | break; | |
ce11ba6c KT |
757 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
758 | pe_use_nul_prefixed_import_tables = TRUE; | |
759 | break; | |
522f09cd KT |
760 | case OPTION_NO_LEADING_UNDERSCORE: |
761 | pe_leading_underscore = 0; | |
762 | break; | |
763 | case OPTION_LEADING_UNDERSCORE: | |
764 | pe_leading_underscore = 1; | |
765 | break; | |
0cb112f7 CF |
766 | case OPTION_INSERT_TIMESTAMP: |
767 | insert_timestamp = TRUE; | |
768 | break; | |
eeb14e5a LZ |
769 | case OPTION_NO_INSERT_TIMESTAMP: |
770 | insert_timestamp = FALSE; | |
771 | break; | |
c6c37250 | 772 | #ifdef DLL_SUPPORT |
252b5132 RH |
773 | case OPTION_OUT_DEF: |
774 | pe_out_def_filename = xstrdup (optarg); | |
775 | break; | |
776 | case OPTION_EXPORT_ALL: | |
777 | pe_dll_export_everything = 1; | |
778 | break; | |
779 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 780 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 781 | break; |
2927aaca NC |
782 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
783 | pe_dll_exclude_all_symbols = 1; | |
784 | break; | |
70b0be79 | 785 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
786 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
787 | break; | |
788 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
789 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
790 | break; |
791 | case OPTION_KILL_ATS: | |
792 | pe_dll_kill_ats = 1; | |
793 | break; | |
794 | case OPTION_STDCALL_ALIASES: | |
795 | pe_dll_stdcall_aliases = 1; | |
796 | break; | |
797 | case OPTION_ENABLE_STDCALL_FIXUP: | |
798 | pe_enable_stdcall_fixup = 1; | |
799 | break; | |
800 | case OPTION_DISABLE_STDCALL_FIXUP: | |
801 | pe_enable_stdcall_fixup = 0; | |
802 | break; | |
870df5dc NC |
803 | case OPTION_WARN_DUPLICATE_EXPORTS: |
804 | pe_dll_warn_dup_exports = 1; | |
805 | break; | |
806 | case OPTION_IMP_COMPAT: | |
807 | pe_dll_compat_implib = 1; | |
808 | break; | |
5f577f7d DD |
809 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
810 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
811 | if (optarg && *optarg) |
812 | { | |
813 | char *end; | |
61e2488c | 814 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
815 | /* XXX should check that we actually parsed something */ |
816 | } | |
5f577f7d DD |
817 | break; |
818 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
819 | pe_enable_auto_image_base = 0; | |
820 | break; | |
627427de | 821 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 822 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 823 | break; |
1122a5fc NC |
824 | case OPTION_NO_DEFAULT_EXCLUDES: |
825 | pe_dll_do_default_excludes = 0; | |
826 | break; | |
decc3638 | 827 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 828 | link_info.pei386_auto_import = 1; |
decc3638 CW |
829 | break; |
830 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 831 | link_info.pei386_auto_import = 0; |
decc3638 | 832 | break; |
2fa9fc65 | 833 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
834 | link_info.pei386_runtime_pseudo_reloc = |
835 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 836 | break; |
6cb442d3 KT |
837 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
838 | link_info.pei386_runtime_pseudo_reloc = 1; | |
839 | break; | |
840 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
841 | link_info.pei386_runtime_pseudo_reloc = 2; | |
842 | break; | |
2fa9fc65 NC |
843 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
844 | link_info.pei386_runtime_pseudo_reloc = 0; | |
845 | break; | |
decc3638 CW |
846 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
847 | pe_dll_extra_pe_debug = 1; | |
848 | break; | |
c6c37250 | 849 | #endif |
26d2d8a2 BF |
850 | case OPTION_LARGE_ADDRESS_AWARE: |
851 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
852 | break; | |
f69a2f97 NC |
853 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
854 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
855 | break; | |
88183869 DK |
856 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
857 | pe_use_coff_long_section_names = 1; | |
858 | break; | |
859 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
860 | pe_use_coff_long_section_names = 0; | |
861 | break; | |
2f563b51 DK |
862 | /* Get DLLCharacteristics bits */ |
863 | case OPTION_DYNAMIC_BASE: | |
864 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
865 | break; | |
866 | case OPTION_FORCE_INTEGRITY: | |
867 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
868 | break; | |
869 | case OPTION_NX_COMPAT: | |
870 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
871 | break; | |
872 | case OPTION_NO_ISOLATION: | |
873 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
874 | break; | |
875 | case OPTION_NO_SEH: | |
876 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
877 | break; | |
878 | case OPTION_NO_BIND: | |
879 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
880 | break; | |
881 | case OPTION_WDM_DRIVER: | |
882 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
883 | break; | |
884 | case OPTION_TERMINAL_SERVER_AWARE: | |
885 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
886 | break; | |
61e2488c JT |
887 | case OPTION_BUILD_ID: |
888 | if (emit_build_id != NULL) | |
889 | { | |
890 | free ((char *) emit_build_id); | |
891 | emit_build_id = NULL; | |
892 | } | |
893 | if (optarg == NULL) | |
894 | optarg = DEFAULT_BUILD_ID_STYLE; | |
895 | if (strcmp (optarg, "none")) | |
896 | emit_build_id = xstrdup (optarg); | |
897 | break; | |
252b5132 | 898 | } |
2f563b51 DK |
899 | |
900 | /* Set DLLCharacteristics bits */ | |
901 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
902 | ||
3bcf5557 | 903 | return TRUE; |
252b5132 RH |
904 | } |
905 | \f | |
5f577f7d | 906 | |
2ef53d66 | 907 | #ifdef DLL_SUPPORT |
3fc90ddb | 908 | static unsigned long |
5f577f7d DD |
909 | strhash (const char *str) |
910 | { | |
911 | const unsigned char *s; | |
912 | unsigned long hash; | |
913 | unsigned int c; | |
914 | unsigned int len; | |
915 | ||
916 | hash = 0; | |
917 | len = 0; | |
918 | s = (const unsigned char *) str; | |
919 | while ((c = *s++) != '\0') | |
920 | { | |
921 | hash += c + (c << 17); | |
922 | hash ^= hash >> 2; | |
923 | ++len; | |
924 | } | |
925 | hash += len + (len << 17); | |
926 | hash ^= hash >> 2; | |
927 | ||
928 | return hash; | |
929 | } | |
930 | ||
4cd89863 NC |
931 | /* Use the output file to create a image base for relocatable DLLs. */ |
932 | ||
5f577f7d DD |
933 | static unsigned long |
934 | compute_dll_image_base (const char *ofile) | |
935 | { | |
936 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 937 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 938 | } |
2ef53d66 | 939 | #endif |
5f577f7d | 940 | |
252b5132 RH |
941 | /* Assign values to the special symbols before the linker script is |
942 | read. */ | |
943 | ||
944 | static void | |
0c7a8e5a | 945 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
946 | { |
947 | /* Run through and invent symbols for all the | |
4cd89863 | 948 | names and insert the defaults. */ |
d74720d2 | 949 | int j; |
b804e4af | 950 | |
d74720d2 | 951 | is_underscoring (); |
252b5132 RH |
952 | |
953 | if (!init[IMAGEBASEOFF].inited) | |
954 | { | |
0e1862bb | 955 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 956 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 957 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 958 | { |
2ef53d66 | 959 | #ifdef DLL_SUPPORT |
d127ecce AM |
960 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
961 | ? compute_dll_image_base (output_filename) | |
962 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 963 | #else |
d127ecce | 964 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 965 | #endif |
d127ecce | 966 | } |
252b5132 RH |
967 | else |
968 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 969 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
970 | } |
971 | ||
1049f94e | 972 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 973 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
974 | return; |
975 | ||
4cd89863 | 976 | /* Glue the assignments into the abs section. */ |
bde18da4 | 977 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
978 | |
979 | for (j = 0; init[j].ptr; j++) | |
980 | { | |
981 | long val = init[j].value; | |
982 | lang_assignment_statement_type *rv; | |
522f09cd | 983 | |
2e57b2af | 984 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
eb8476a6 | 985 | exp_intop (val), FALSE)); |
939ba9d0 NC |
986 | if (init[j].size == sizeof (short)) |
987 | *(short *) init[j].ptr = val; | |
988 | else if (init[j].size == sizeof (int)) | |
989 | *(int *) init[j].ptr = val; | |
990 | else if (init[j].size == sizeof (long)) | |
991 | *(long *) init[j].ptr = val; | |
252b5132 | 992 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
993 | else if (init[j].size == sizeof (bfd_vma)) |
994 | *(bfd_vma *) init[j].ptr = val; | |
995 | else abort (); | |
252b5132 RH |
996 | if (j == IMAGEBASEOFF) |
997 | image_base_statement = rv; | |
998 | } | |
4cd89863 | 999 | /* Restore the pointer. */ |
bde18da4 | 1000 | pop_stat_ptr (); |
3fc90ddb | 1001 | |
d127ecce | 1002 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 RH |
1003 | { |
1004 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | /* This is called after the linker script and the command line options | |
1009 | have been read. */ | |
1010 | ||
1011 | static void | |
0c7a8e5a | 1012 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1013 | { |
8b747e1a DK |
1014 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1015 | option hoping it will work on PE. */ | |
1016 | if (link_info.export_dynamic) | |
1017 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1018 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1019 | |
decfa41e KT |
1020 | set_entry_point (); |
1021 | ||
97b11f40 | 1022 | after_parse_default (); |
252b5132 RH |
1023 | } |
1024 | ||
aa3d9aba NC |
1025 | /* pe-dll.c directly accesses pe_data_import_dll, |
1026 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
1027 | Note - this variable is deliberately not initialised. | |
1028 | This allows it to be treated as a common varaible, and only | |
1029 | exist in one incarnation in a multiple target enabled linker. */ | |
1030 | char * pe_data_import_dll; | |
72358f65 | 1031 | |
2ef53d66 | 1032 | #ifdef DLL_SUPPORT |
252b5132 RH |
1033 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1034 | ||
b34976b6 | 1035 | static bfd_boolean |
0c7a8e5a | 1036 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1037 | { |
decc3638 | 1038 | int sl; |
0c7a8e5a | 1039 | char *string = inf; |
8a9eab9b | 1040 | const char *hs = h->root.string; |
4cd89863 | 1041 | |
0c7a8e5a | 1042 | sl = strlen (string); |
252b5132 | 1043 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1044 | && ((*hs == '@' && *string == '_' |
1045 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1046 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1047 | && h->root.string[sl] == '@') |
decc3638 CW |
1048 | { |
1049 | pe_undef_found_sym = h; | |
b34976b6 | 1050 | return FALSE; |
decc3638 | 1051 | } |
b34976b6 | 1052 | return TRUE; |
252b5132 RH |
1053 | } |
1054 | ||
67f101ee NC |
1055 | /* Change UNDEF to a defined symbol, taking data from SYM. */ |
1056 | ||
1057 | static void | |
1058 | change_undef (struct bfd_link_hash_entry * undef, | |
1059 | struct bfd_link_hash_entry * sym) | |
1060 | { | |
1061 | static bfd_boolean gave_warning_message = FALSE; | |
1062 | ||
1063 | undef->type = bfd_link_hash_defined; | |
1064 | undef->u.def.value = sym->u.def.value; | |
1065 | undef->u.def.section = sym->u.def.section; | |
1066 | ||
1067 | if (pe_enable_stdcall_fixup == -1) | |
1068 | { | |
1069 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
1070 | undef->root.string, sym->root.string); | |
1071 | ||
1072 | if (! gave_warning_message) | |
1073 | { | |
1074 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
1075 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
1076 | gave_warning_message = TRUE; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | /* PR 19803: Make sure that the linked symbol is not garbage collected. */ | |
1081 | lang_add_gc_name (sym->root.string); | |
1082 | } | |
1083 | ||
252b5132 | 1084 | static void |
0c7a8e5a | 1085 | pe_fixup_stdcalls (void) |
252b5132 | 1086 | { |
252b5132 | 1087 | struct bfd_link_hash_entry *undef, *sym; |
c9e38879 | 1088 | |
3fc90ddb | 1089 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1090 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1091 | |
f6e332e6 | 1092 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1093 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1094 | { |
67f101ee NC |
1095 | const char * name = undef->root.string; |
1096 | char * at; | |
1097 | int lead_at = (*name == '@'); | |
1098 | ||
8a9eab9b | 1099 | if (lead_at) |
67f101ee NC |
1100 | at = strchr (name + 1, '@'); |
1101 | else | |
1102 | at = strchr (name, '@'); | |
b34976b6 | 1103 | |
8a9eab9b | 1104 | if (at || lead_at) |
c9e38879 NC |
1105 | { |
1106 | /* The symbol is a stdcall symbol, so let's look for a | |
1107 | cdecl symbol with the same name and resolve to that. */ | |
67f101ee | 1108 | char *cname = xstrdup (name); |
8a9eab9b KT |
1109 | |
1110 | if (lead_at) | |
1111 | *cname = '_'; | |
67f101ee NC |
1112 | if (at) |
1113 | * strchr (cname, '@') = 0; | |
1114 | sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE); | |
c9e38879 NC |
1115 | |
1116 | if (sym && sym->type == bfd_link_hash_defined) | |
67f101ee | 1117 | change_undef (undef, sym); |
c9e38879 NC |
1118 | } |
1119 | else | |
1120 | { | |
1121 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1122 | symbols - which means scanning the whole symbol table. */ |
67f101ee | 1123 | pe_undef_found_sym = NULL; |
c9e38879 | 1124 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
67f101ee NC |
1125 | (char *) name); |
1126 | if (pe_undef_found_sym) | |
1127 | change_undef (undef, pe_undef_found_sym); | |
c9e38879 | 1128 | } |
252b5132 | 1129 | } |
252b5132 | 1130 | } |
decc3638 CW |
1131 | |
1132 | static int | |
fbea1508 | 1133 | make_import_fixup (arelent *rel, asection *s, char *name) |
decc3638 | 1134 | { |
fc0a2244 | 1135 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1136 | char addend[4]; |
decc3638 | 1137 | |
3fc90ddb | 1138 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1139 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1140 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1141 | |
c99b8138 | 1142 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
c9e38879 NC |
1143 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
1144 | s->owner, s, rel->address); | |
0d888aac | 1145 | |
fbea1508 | 1146 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend), name); |
0d888aac | 1147 | |
decc3638 CW |
1148 | return 1; |
1149 | } | |
1150 | ||
decc3638 | 1151 | static void |
0c7a8e5a | 1152 | pe_find_data_imports (void) |
decc3638 CW |
1153 | { |
1154 | struct bfd_link_hash_entry *undef, *sym; | |
fbea1508 AM |
1155 | size_t namelen; |
1156 | char *buf, *name; | |
c9e38879 | 1157 | |
4cd89863 NC |
1158 | if (link_info.pei386_auto_import == 0) |
1159 | return; | |
1160 | ||
fbea1508 AM |
1161 | namelen = 0; |
1162 | for (undef = link_info.hash->undefs; undef; undef = undef->u.undef.next) | |
1163 | { | |
1164 | if (undef->type == bfd_link_hash_undefined) | |
1165 | { | |
1166 | size_t len = strlen (undef->root.string); | |
1167 | if (namelen < len) | |
1168 | namelen = len; | |
1169 | } | |
1170 | } | |
1171 | if (namelen == 0) | |
1172 | return; | |
1173 | ||
1174 | /* We are being a bit cunning here. The buffer will have space for | |
1175 | prefixes at the beginning. The prefix is modified here and in a | |
1176 | number of functions called from this function. */ | |
1177 | #define PREFIX_LEN 32 | |
1178 | buf = xmalloc (PREFIX_LEN + namelen + 1); | |
1179 | name = buf + PREFIX_LEN; | |
1180 | ||
1181 | for (undef = link_info.hash->undefs; undef; undef = undef->u.undef.next) | |
decc3638 CW |
1182 | { |
1183 | if (undef->type == bfd_link_hash_undefined) | |
1af699f4 | 1184 | { |
fbea1508 | 1185 | char *impname; |
c9e38879 NC |
1186 | |
1187 | if (pe_dll_extra_pe_debug) | |
1188 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
1189 | ||
fbea1508 AM |
1190 | strcpy (name, undef->root.string); |
1191 | impname = name - (sizeof "__imp_" - 1); | |
1192 | memcpy (impname, "__imp_", sizeof "__imp_" - 1); | |
decc3638 | 1193 | |
fbea1508 | 1194 | sym = bfd_link_hash_lookup (link_info.hash, impname, 0, 0, 1); |
c9e38879 | 1195 | |
1af699f4 AM |
1196 | if (sym && sym->type == bfd_link_hash_defined) |
1197 | { | |
4cd89863 NC |
1198 | bfd *b = sym->u.def.section->owner; |
1199 | asymbol **symbols; | |
5c1d2f5f | 1200 | int nsyms, i; |
4cd89863 NC |
1201 | |
1202 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
1203 | { |
1204 | static bfd_boolean warned = FALSE; | |
1205 | ||
fbea1508 AM |
1206 | info_msg (_("Info: resolving %s by linking to %s " |
1207 | "(auto-import)\n"), name, impname); | |
8524166d NC |
1208 | |
1209 | /* PR linker/4844. */ | |
1210 | if (! warned) | |
1211 | { | |
1212 | warned = TRUE; | |
fbea1508 AM |
1213 | einfo (_("%P: warning: auto-importing has been activated " |
1214 | "without --enable-auto-import specified on the " | |
1215 | "command line.\nThis should work unless it " | |
1216 | "involves constant data structures referencing " | |
1217 | "symbols from auto-imported DLLs.\n")); | |
8524166d NC |
1218 | } |
1219 | } | |
4cd89863 | 1220 | |
5c1d2f5f AM |
1221 | if (!bfd_generic_link_read_symbols (b)) |
1222 | { | |
1223 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
1224 | return; | |
1225 | } | |
1226 | ||
1227 | symbols = bfd_get_outsymbols (b); | |
1228 | nsyms = bfd_get_symcount (b); | |
4cd89863 NC |
1229 | |
1230 | for (i = 0; i < nsyms; i++) | |
1231 | { | |
fbea1508 | 1232 | if (! CONST_STRNEQ (symbols[i]->name, U ("_head_"))) |
4cd89863 NC |
1233 | continue; |
1234 | ||
1235 | if (pe_dll_extra_pe_debug) | |
1236 | printf ("->%s\n", symbols[i]->name); | |
1237 | ||
522f09cd KT |
1238 | pe_data_import_dll = (char *) (symbols[i]->name |
1239 | + U_SIZE ("_head_") - 1); | |
4cd89863 NC |
1240 | break; |
1241 | } | |
1242 | ||
fbea1508 | 1243 | pe_walk_relocs_of_symbol (&link_info, name, make_import_fixup); |
4cd89863 NC |
1244 | |
1245 | /* Let's differentiate it somehow from defined. */ | |
1246 | undef->type = bfd_link_hash_defweak; | |
1247 | /* We replace original name with __imp_ prefixed, this | |
1248 | 1) may trash memory 2) leads to duplicate symbol generation. | |
839b0b3f | 1249 | Still, IMHO it's better than having name polluted. */ |
4cd89863 NC |
1250 | undef->root.string = sym->root.string; |
1251 | undef->u.def.value = sym->u.def.value; | |
1252 | undef->u.def.section = sym->u.def.section; | |
1af699f4 AM |
1253 | } |
1254 | } | |
decc3638 | 1255 | } |
fbea1508 | 1256 | free (buf); |
decc3638 | 1257 | } |
252b5132 | 1258 | |
b34976b6 | 1259 | static bfd_boolean |
0c7a8e5a | 1260 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1261 | { |
80cc85a9 | 1262 | printf ("+%s\n", h->string); |
c9e38879 | 1263 | |
b34976b6 | 1264 | return TRUE; |
decc3638 | 1265 | } |
4b83d615 | 1266 | #endif /* DLL_SUPPORT */ |
decc3638 | 1267 | |
e4492aa0 | 1268 | static void |
3efd345c DK |
1269 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1270 | { | |
1271 | int *found = (int *) obj; | |
1272 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1273 | *found = 1; | |
1274 | } | |
decc3638 | 1275 | |
61e2488c JT |
1276 | static bfd_boolean |
1277 | pecoff_checksum_contents (bfd *abfd, | |
1278 | void (*process) (const void *, size_t, void *), | |
1279 | void *arg) | |
1280 | { | |
1281 | file_ptr filepos = (file_ptr) 0; | |
1282 | ||
1283 | while (1) | |
1284 | { | |
1285 | unsigned char b; | |
1286 | int status; | |
1287 | ||
1288 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1289 | return 0; | |
1290 | ||
1291 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1292 | if (status < 1) | |
1293 | { | |
1294 | break; | |
1295 | } | |
1296 | ||
1297 | (*process) (&b, 1, arg); | |
1298 | filepos += 1; | |
1299 | } | |
1300 | ||
1301 | return TRUE; | |
1302 | } | |
1303 | ||
1304 | static bfd_boolean | |
1305 | write_build_id (bfd *abfd) | |
1306 | { | |
1307 | struct pe_tdata *t = pe_data (abfd); | |
1308 | asection *asec; | |
1309 | struct bfd_link_order *link_order = NULL; | |
1310 | unsigned char *contents; | |
1311 | bfd_size_type size; | |
1312 | bfd_size_type build_id_size; | |
1313 | unsigned char *build_id; | |
1314 | ||
74fffc39 | 1315 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1316 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1317 | { | |
1318 | struct bfd_link_order *l = NULL; | |
1319 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
1320 | { | |
b6518b38 | 1321 | if (l->type == bfd_indirect_link_order) |
61e2488c JT |
1322 | { |
1323 | if (l->u.indirect.section == t->build_id.sec) | |
1324 | { | |
1325 | link_order = l; | |
1326 | break; | |
1327 | } | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | if (link_order) | |
1332 | break; | |
1333 | } | |
1334 | ||
1335 | if (!link_order) | |
1336 | { | |
74fffc39 | 1337 | einfo (_("%P: warning: .buildid section discarded," |
61e2488c JT |
1338 | " --build-id ignored.\n")); |
1339 | return TRUE; | |
1340 | } | |
1341 | ||
1342 | if (t->build_id.sec->contents == NULL) | |
1343 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1344 | contents = t->build_id.sec->contents; | |
1345 | size = t->build_id.sec->size; | |
1346 | ||
1347 | build_id_size = compute_build_id_size (t->build_id.style); | |
1348 | build_id = xmalloc (build_id_size); | |
1349 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1350 | ||
1351 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1352 | ||
1353 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1354 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1355 | idd.Characteristics = 0; | |
1356 | idd.TimeDateStamp = 0; | |
1357 | idd.MajorVersion = 0; | |
1358 | idd.MinorVersion = 0; | |
1359 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1360 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1361 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1362 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1363 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1364 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1365 | ||
1366 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1367 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1368 | ||
1369 | /* Write the debug directory entry. */ | |
1370 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1371 | return 0; | |
1372 | ||
b6518b38 | 1373 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1374 | return 0; |
1375 | ||
1376 | /* Construct the CodeView record. */ | |
1377 | CODEVIEW_INFO cvinfo; | |
1378 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1379 | cvinfo.Age = 1; | |
1380 | ||
1381 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1382 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1383 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1384 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1385 | ||
1386 | free (build_id); | |
1387 | ||
1388 | /* Write the codeview record. */ | |
1389 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1390 | return 0; | |
1391 | ||
1392 | /* Record the location of the debug directory in the data directory. */ | |
1393 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1394 | = asec->vma - ib + link_order->offset; | |
1395 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1396 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1397 | ||
1398 | return TRUE; | |
1399 | } | |
1400 | ||
74fffc39 | 1401 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
61e2488c JT |
1402 | static bfd_boolean |
1403 | setup_build_id (bfd *ibfd) | |
1404 | { | |
1405 | asection *s; | |
1406 | flagword flags; | |
1407 | ||
1408 | if (!validate_build_id_style (emit_build_id)) | |
1409 | { | |
1410 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
1411 | return FALSE; | |
1412 | } | |
1413 | ||
1414 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1415 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1416 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1417 | if (s != NULL) |
1418 | { | |
1419 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1420 | t->build_id.after_write_object_contents = &write_build_id; | |
1421 | t->build_id.style = emit_build_id; | |
1422 | t->build_id.sec = s; | |
1423 | ||
1424 | /* Section is a fixed size: | |
1425 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1426 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1427 | null byte for PdbFileName. */ | |
1428 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1429 | + sizeof (CV_INFO_PDB70) + 1; | |
1430 | ||
1431 | return TRUE; | |
1432 | } | |
1433 | ||
74fffc39 | 1434 | einfo ("%P: warning: Cannot create .buildid section," |
61e2488c JT |
1435 | " --build-id ignored.\n"); |
1436 | return FALSE; | |
1437 | } | |
1438 | ||
252b5132 | 1439 | static void |
0c7a8e5a | 1440 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1441 | { |
5c3049d2 AM |
1442 | after_open_default (); |
1443 | ||
4b83d615 | 1444 | #ifdef DLL_SUPPORT |
3fc90ddb | 1445 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1446 | { |
1447 | bfd *a; | |
1448 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1449 | |
decc3638 CW |
1450 | printf ("%s()\n", __FUNCTION__); |
1451 | ||
f6e332e6 | 1452 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1453 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1454 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1455 | |
c72f2fb2 | 1456 | for (a = link_info.input_bfds; a; a = a->link.next) |
c9e38879 | 1457 | printf ("*%s\n",a->filename); |
decc3638 | 1458 | } |
4b83d615 | 1459 | #endif |
3fc90ddb | 1460 | |
61e2488c JT |
1461 | if (emit_build_id != NULL) |
1462 | { | |
1463 | bfd *abfd; | |
1464 | ||
1465 | /* Find a COFF input. */ | |
1466 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1467 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1468 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1469 | break; | |
1470 | ||
1471 | /* If there are no COFF input files do not try to | |
1472 | add a build-id section. */ | |
1473 | if (abfd == NULL | |
1474 | || !setup_build_id (abfd)) | |
1475 | { | |
1476 | free ((char *) emit_build_id); | |
1477 | emit_build_id = NULL; | |
1478 | } | |
1479 | } | |
1480 | ||
252b5132 RH |
1481 | /* Pass the wacky PE command line options into the output bfd. |
1482 | FIXME: This should be done via a function, rather than by | |
1483 | including an internal BFD header. */ | |
3fc90ddb | 1484 | |
f13a99db AM |
1485 | if (coff_data (link_info.output_bfd) == NULL |
1486 | || coff_data (link_info.output_bfd)->pe == 0) | |
1487 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1488 | link_info.output_bfd); | |
252b5132 | 1489 | |
f13a99db AM |
1490 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1491 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1492 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
0cb112f7 | 1493 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
3efd345c DK |
1494 | |
1495 | /* At this point we must decide whether to use long section names | |
1496 | in the output or not. If the user hasn't explicitly specified | |
1497 | on the command line, we leave it to the default for the format | |
1498 | (object files yes, image files no), except if there is debug | |
1499 | information present; GDB relies on the long section names to | |
1500 | find it, so enable it in that case. */ | |
1501 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1502 | { | |
0e1862bb | 1503 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1504 | pe_use_coff_long_section_names = 1; |
1505 | else | |
3efd345c | 1506 | { |
61e2488c JT |
1507 | /* Iterate over all sections of all input BFDs, checking |
1508 | for any that begin 'debug_' and are long names. */ | |
1509 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1510 | { | |
1511 | int found_debug = 0; | |
1512 | ||
1513 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1514 | if (found_debug) | |
1515 | { | |
1516 | pe_use_coff_long_section_names = 1; | |
1517 | break; | |
1518 | } | |
1519 | } | |
3efd345c DK |
1520 | } |
1521 | } | |
1522 | ||
88183869 | 1523 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1524 | |
c6c37250 | 1525 | #ifdef DLL_SUPPORT |
252b5132 RH |
1526 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
1527 | pe_fixup_stdcalls (); | |
1528 | ||
f13a99db | 1529 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1530 | |
3fc90ddb | 1531 | pe_find_data_imports (); |
decc3638 | 1532 | |
8a9eab9b KT |
1533 | /* As possibly new symbols are added by imports, we rerun |
1534 | stdcall/fastcall fixup here. */ | |
1535 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ | |
1536 | pe_fixup_stdcalls (); | |
1537 | ||
7148cc28 NC |
1538 | #if defined (TARGET_IS_i386pe) \ |
1539 | || defined (TARGET_IS_armpe) \ | |
1540 | || defined (TARGET_IS_arm_epoc_pe) \ | |
1541 | || defined (TARGET_IS_arm_wince_pe) | |
0e1862bb | 1542 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1543 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1544 | #else |
0e1862bb | 1545 | if (bfd_link_pic (&link_info)) |
f13a99db | 1546 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1547 | else |
1548 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1549 | #endif |
7148cc28 | 1550 | #endif /* DLL_SUPPORT */ |
252b5132 | 1551 | |
7148cc28 | 1552 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1553 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1554 | { |
1555 | /* The arm backend needs special fields in the output hash structure. | |
1556 | These will only be created if the output format is an arm format, | |
1557 | hence we do not support linking and changing output formats at the | |
1558 | same time. Use a link followed by objcopy to change output formats. */ | |
1559 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
1560 | return; | |
1561 | } | |
252b5132 RH |
1562 | { |
1563 | /* Find a BFD that can hold the interworking stubs. */ | |
1564 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1565 | { | |
7148cc28 | 1566 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1567 | break; |
1568 | } | |
1569 | } | |
1570 | #endif | |
c6c37250 | 1571 | |
486e80e2 | 1572 | { |
486e80e2 DD |
1573 | /* This next chunk of code tries to detect the case where you have |
1574 | two import libraries for the same DLL (specifically, | |
1575 | symbolically linking libm.a and libc.a in cygwin to | |
1576 | libcygwin.a). In those cases, it's possible for function | |
1577 | thunks from the second implib to be used but without the | |
1578 | head/tail objects, causing an improper import table. We detect | |
1579 | those cases and rename the "other" import libraries to match | |
1580 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1581 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1582 | |
1583 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1584 | { | |
1585 | if (is->the_bfd->my_archive) | |
1586 | { | |
1587 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1588 | asection *sec; | |
3fc90ddb | 1589 | |
6e45556a | 1590 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1591 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1592 | { | |
1593 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1594 | idata2 = 1; | |
0112cd26 | 1595 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1596 | is_imp = 1; |
1597 | reloc_count += sec->reloc_count; | |
1598 | } | |
3fc90ddb | 1599 | |
486e80e2 DD |
1600 | if (is_imp && !idata2 && reloc_count) |
1601 | { | |
6e45556a NC |
1602 | /* It is, look for the reference to head and see if it's |
1603 | from our own library. */ | |
486e80e2 DD |
1604 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1605 | { | |
1606 | int i; | |
6e45556a | 1607 | long relsize; |
102c86f8 | 1608 | asymbol **symbols; |
102c86f8 NC |
1609 | arelent **relocs; |
1610 | int nrelocs; | |
3fc90ddb | 1611 | |
102c86f8 | 1612 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1613 | if (relsize < 1) |
1614 | break; | |
3fc90ddb | 1615 | |
5c1d2f5f | 1616 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1617 | { |
5c1d2f5f AM |
1618 | einfo (_("%B%F: could not read symbols: %E\n"), |
1619 | is->the_bfd); | |
6e45556a NC |
1620 | return; |
1621 | } | |
5c1d2f5f | 1622 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1623 | |
d127ecce | 1624 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1625 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1626 | relocs, symbols); |
6e45556a NC |
1627 | if (nrelocs < 0) |
1628 | { | |
1629 | free (relocs); | |
44e36d8a | 1630 | einfo ("%X%P: unable to process relocs: %E\n"); |
6e45556a NC |
1631 | return; |
1632 | } | |
3fc90ddb | 1633 | |
6e45556a | 1634 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1635 | { |
fc0a2244 | 1636 | struct bfd_symbol *s; |
6e45556a | 1637 | struct bfd_link_hash_entry * blhe; |
2a08daf3 | 1638 | char *other_bfd_filename; |
6e45556a | 1639 | char *n; |
3fc90ddb | 1640 | |
486e80e2 | 1641 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1642 | |
6e45556a NC |
1643 | if (s->flags & BSF_LOCAL) |
1644 | continue; | |
3fc90ddb | 1645 | |
6e45556a NC |
1646 | /* Thunk section with reloc to another bfd. */ |
1647 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1648 | s->name, | |
b34976b6 | 1649 | FALSE, FALSE, TRUE); |
3fc90ddb | 1650 | |
6e45556a NC |
1651 | if (blhe == NULL |
1652 | || blhe->type != bfd_link_hash_defined) | |
1653 | continue; | |
3fc90ddb | 1654 | |
2a08daf3 DS |
1655 | other_bfd_filename |
1656 | = blhe->u.def.section->owner->my_archive | |
1657 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1658 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1659 | |
42627821 KT |
1660 | if (filename_cmp (bfd_get_filename |
1661 | (is->the_bfd->my_archive), | |
1662 | other_bfd_filename) == 0) | |
6e45556a | 1663 | continue; |
3fc90ddb | 1664 | |
c034e3e0 | 1665 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1666 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1667 | strcpy (n, other_bfd_filename); | |
1668 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
1669 | } |
1670 | ||
1671 | free (relocs); | |
6e45556a NC |
1672 | /* Note - we do not free the symbols, |
1673 | they are now cached in the BFD. */ | |
486e80e2 DD |
1674 | } |
1675 | } | |
1676 | } | |
1677 | } | |
1678 | } | |
1679 | ||
c6c37250 | 1680 | { |
f0c87f88 | 1681 | int is_ms_arch = 0; |
1069dd8d | 1682 | bfd *cur_arch = 0; |
c6c37250 | 1683 | lang_input_statement_type *is2; |
44dbf363 | 1684 | lang_input_statement_type *is3; |
1069dd8d | 1685 | |
c6c37250 DD |
1686 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1687 | /* Microsoft import libraries have every member named the same, | |
1688 | and not in the right order for us to link them correctly. We | |
1689 | must detect these and rename the members so that they'll link | |
1690 | correctly. There are three types of objects: the head, the | |
1691 | thunks, and the sentinel(s). The head is easy; it's the one | |
1692 | with idata2. We assume that the sentinels won't have relocs, | |
1693 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1694 | table for external references. */ |
c6c37250 DD |
1695 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1696 | { | |
1697 | if (is->the_bfd->my_archive) | |
1698 | { | |
44dbf363 | 1699 | char *pnt; |
c6c37250 | 1700 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1701 | |
c6c37250 DD |
1702 | if (cur_arch != arch) |
1703 | { | |
1704 | cur_arch = arch; | |
1705 | is_ms_arch = 1; | |
44dbf363 NC |
1706 | |
1707 | for (is3 = is; | |
1708 | is3 && is3->the_bfd->my_archive == arch; | |
1709 | is3 = (lang_input_statement_type *) is3->next) | |
1710 | { | |
1af699f4 | 1711 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1712 | members, so look for the first element with a .dll |
1713 | extension, and use that for the remainder of the | |
1714 | comparisons. */ | |
1715 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
42627821 | 1716 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1717 | break; |
44dbf363 NC |
1718 | } |
1719 | ||
1720 | if (is3 == NULL) | |
1721 | is_ms_arch = 0; | |
1722 | else | |
c6c37250 | 1723 | { |
44dbf363 NC |
1724 | /* OK, found one. Now look to see if the remaining |
1725 | (dynamic import) members use the same name. */ | |
1726 | for (is2 = is; | |
1727 | is2 && is2->the_bfd->my_archive == arch; | |
1728 | is2 = (lang_input_statement_type *) is2->next) | |
1729 | { | |
1730 | /* Skip static members, ie anything with a .obj | |
1731 | extension. */ | |
1732 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
42627821 | 1733 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1734 | continue; |
1735 | ||
42627821 KT |
1736 | if (filename_cmp (is3->the_bfd->filename, |
1737 | is2->the_bfd->filename)) | |
44dbf363 NC |
1738 | { |
1739 | is_ms_arch = 0; | |
1740 | break; | |
1741 | } | |
1742 | } | |
c6c37250 DD |
1743 | } |
1744 | } | |
1745 | ||
44dbf363 NC |
1746 | /* This fragment might have come from an .obj file in a Microsoft |
1747 | import, and not an actual import record. If this is the case, | |
1748 | then leave the filename alone. */ | |
1749 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1750 | ||
42627821 | 1751 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1752 | { |
1069dd8d | 1753 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1754 | asection *sec; |
1755 | char *new_name, seq; | |
1069dd8d | 1756 | |
c6c37250 DD |
1757 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1758 | { | |
1759 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1760 | idata2 = 1; | |
1761 | reloc_count += sec->reloc_count; | |
1762 | } | |
1763 | ||
1764 | if (idata2) /* .idata2 is the TOC */ | |
1765 | seq = 'a'; | |
1766 | else if (reloc_count > 0) /* thunks */ | |
1767 | seq = 'b'; | |
1768 | else /* sentinel */ | |
1769 | seq = 'c'; | |
1770 | ||
e4e24acb | 1771 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1772 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1773 | is->the_bfd->filename = new_name; | |
1774 | ||
690a460e | 1775 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1776 | sprintf (new_name, "%s.%c", is->filename, seq); |
1777 | is->filename = new_name; | |
1778 | } | |
1779 | } | |
1780 | } | |
1781 | } | |
54727719 NC |
1782 | |
1783 | { | |
1784 | /* The following chunk of code tries to identify jump stubs in | |
1785 | import libraries which are dead code and eliminates them | |
1786 | from the final link. For each exported symbol <sym>, there | |
1787 | is a object file in the import library with a .text section | |
d34c1c51 | 1788 | and several .idata\$* sections. The .text section contains the |
54727719 | 1789 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1790 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1791 | for __imp_<sym> which is the address of the slot for <sym> in |
1792 | the import address table. When a symbol is imported explicitly | |
1793 | using __declspec(dllimport) declaration, the compiler generates | |
1794 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1795 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1796 | needed. The following code tries to identify jump stub sections |
1797 | in import libraries which are not referred to by anyone and | |
1798 | marks them for exclusion from the final link. */ | |
1799 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1800 | { | |
1801 | if (is->the_bfd->my_archive) | |
1802 | { | |
1803 | int is_imp = 0; | |
1804 | asection *sec, *stub_sec = NULL; | |
1805 | ||
1806 | /* See if this is an import library thunk. */ | |
1807 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1808 | { | |
1809 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1810 | is_imp = 1; | |
1811 | /* The section containing the jmp stub has code | |
1812 | and has a reloc. */ | |
1813 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1814 | stub_sec = sec; | |
1815 | } | |
92b93329 | 1816 | |
54727719 NC |
1817 | if (is_imp && stub_sec) |
1818 | { | |
54727719 | 1819 | asymbol **symbols; |
5c1d2f5f | 1820 | long nsyms, src_count; |
54727719 NC |
1821 | struct bfd_link_hash_entry * blhe; |
1822 | ||
5c1d2f5f AM |
1823 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1824 | { | |
1825 | einfo (_("%B%F: could not read symbols: %E\n"), | |
1826 | is->the_bfd); | |
1827 | return; | |
1828 | } | |
1829 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1830 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1831 | |
5c1d2f5f | 1832 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1833 | { |
1834 | if (symbols[src_count]->section->id == stub_sec->id) | |
1835 | { | |
1836 | /* This symbol belongs to the section containing | |
1837 | the stub. */ | |
1838 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1839 | symbols[src_count]->name, | |
1840 | FALSE, FALSE, TRUE); | |
1841 | /* If the symbol in the stub section has no other | |
1842 | undefined references, exclude the stub section | |
1843 | from the final link. */ | |
e0605dbe AM |
1844 | if (blhe != NULL |
1845 | && blhe->type == bfd_link_hash_defined | |
1846 | && blhe->u.undef.next == NULL | |
1847 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1848 | stub_sec->flags |= SEC_EXCLUDE; |
1849 | } | |
1850 | } | |
54727719 NC |
1851 | } |
1852 | } | |
1853 | } | |
1854 | } | |
252b5132 RH |
1855 | } |
1856 | \f | |
3fc90ddb | 1857 | static void |
0c7a8e5a | 1858 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1859 | { |
1860 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1861 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1862 | { |
1863 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1864 | { | |
1865 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1866 | { | |
1867 | /* xgettext:c-format */ | |
1868 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1869 | } | |
1870 | } | |
1871 | } | |
1872 | ||
c9e38879 | 1873 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1874 | ppc_allocate_toc_section (&link_info); |
1875 | #endif /* TARGET_IS_ppcpe */ | |
1876 | ||
7148cc28 | 1877 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1878 | /* FIXME: we should be able to set the size of the interworking stub |
1879 | section. | |
1880 | ||
1881 | Here we rummage through the found bfds to collect glue | |
1882 | information. FIXME: should this be based on a command line | |
c9e38879 | 1883 | option? krk@cygnus.com. */ |
252b5132 RH |
1884 | { |
1885 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1886 | { | |
7148cc28 | 1887 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1888 | (is->the_bfd, & link_info, support_old_code)) |
1889 | { | |
1890 | /* xgettext:c-format */ | |
44e36d8a | 1891 | einfo (_("Errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1892 | is->filename); |
1893 | } | |
1894 | } | |
1895 | } | |
1896 | ||
c9e38879 | 1897 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 NC |
1898 | bfd_arm_allocate_interworking_sections (& link_info); |
1899 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ | |
8423293d | 1900 | |
1e035701 | 1901 | before_allocation_default (); |
252b5132 RH |
1902 | } |
1903 | \f | |
690a460e | 1904 | #ifdef DLL_SUPPORT |
252b5132 | 1905 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1906 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1907 | |
252b5132 | 1908 | static int |
0c7a8e5a | 1909 | saw_option (char *option) |
252b5132 RH |
1910 | { |
1911 | int i; | |
c9e38879 NC |
1912 | |
1913 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1914 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1915 | return init[i].inited; |
1916 | return 0; | |
1917 | } | |
690a460e | 1918 | #endif /* DLL_SUPPORT */ |
252b5132 | 1919 | |
b34976b6 | 1920 | static bfd_boolean |
0c7a8e5a | 1921 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1922 | { |
c6c37250 | 1923 | #ifdef DLL_SUPPORT |
252b5132 RH |
1924 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1925 | ||
42627821 | 1926 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1927 | { |
f2d3750d | 1928 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1929 | |
1930 | if (pe_def_file) | |
252b5132 | 1931 | { |
c9e38879 NC |
1932 | int i, buflen=0, len; |
1933 | char *buf; | |
252b5132 | 1934 | |
c9e38879 | 1935 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1936 | { |
939ba9d0 | 1937 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1938 | if (buflen < len + 2) |
1939 | buflen = len + 2; | |
252b5132 | 1940 | } |
252b5132 | 1941 | |
d127ecce | 1942 | buf = xmalloc (buflen); |
252b5132 | 1943 | |
c9e38879 NC |
1944 | for (i = 0; i < pe_def_file->num_exports; i++) |
1945 | { | |
1946 | struct bfd_link_hash_entry *h; | |
1947 | ||
522f09cd KT |
1948 | sprintf (buf, "%s%s", U (""), |
1949 | pe_def_file->exports[i].internal_name); | |
c9e38879 | 1950 | |
b34976b6 | 1951 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 NC |
1952 | if (h == (struct bfd_link_hash_entry *) NULL) |
1953 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1954 | if (h->type == bfd_link_hash_new) | |
1955 | { | |
1956 | h->type = bfd_link_hash_undefined; | |
1957 | h->u.undef.abfd = NULL; | |
1958 | bfd_link_add_undef (link_info.hash, h); | |
1959 | } | |
1960 | } | |
1961 | free (buf); | |
1962 | ||
1963 | /* def_file_print (stdout, pe_def_file); */ | |
1964 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1965 | link_info.type = type_dll; |
c9e38879 NC |
1966 | |
1967 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1968 | { | |
f13a99db AM |
1969 | pe.ImageBase |
1970 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1971 | = init[IMAGEBASEOFF].value | |
1972 | = pe_def_file->base_address; | |
c9e38879 NC |
1973 | init[IMAGEBASEOFF].inited = 1; |
1974 | if (image_base_statement) | |
eb8476a6 MR |
1975 | image_base_statement->exp |
1976 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
1977 | FALSE); | |
c9e38879 | 1978 | } |
252b5132 | 1979 | |
c9e38879 NC |
1980 | if (pe_def_file->stack_reserve != -1 |
1981 | && ! saw_option ("__size_of_stack_reserve__")) | |
1982 | { | |
1983 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1984 | if (pe_def_file->stack_commit != -1) | |
1985 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1986 | } | |
1987 | if (pe_def_file->heap_reserve != -1 | |
1988 | && ! saw_option ("__size_of_heap_reserve__")) | |
1989 | { | |
1990 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1991 | if (pe_def_file->heap_commit != -1) | |
1992 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1993 | } | |
b34976b6 | 1994 | return TRUE; |
c9e38879 | 1995 | } |
252b5132 | 1996 | } |
252b5132 | 1997 | #endif |
b34976b6 | 1998 | return FALSE; |
252b5132 RH |
1999 | } |
2000 | ||
b34976b6 | 2001 | static bfd_boolean |
0c7a8e5a | 2002 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 2003 | { |
c6c37250 | 2004 | #ifdef DLL_SUPPORT |
252b5132 | 2005 | #ifdef TARGET_IS_i386pe |
c6c37250 | 2006 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
2007 | #endif |
2008 | #ifdef TARGET_IS_shpe | |
2009 | pe_dll_id_target ("pei-shl"); | |
2010 | #endif | |
344a211f NC |
2011 | #ifdef TARGET_IS_armpe |
2012 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 NC |
2013 | #endif |
2014 | #ifdef TARGET_IS_arm_epoc_pe | |
2015 | pe_dll_id_target ("epoc-pei-arm-little"); | |
2016 | #endif | |
2017 | #ifdef TARGET_IS_arm_wince_pe | |
2018 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 2019 | #endif |
ff2bdb9c CF |
2020 | if (pe_bfd_is_dll (entry->the_bfd)) |
2021 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 2022 | #endif |
b34976b6 | 2023 | return FALSE; |
252b5132 RH |
2024 | } |
2025 | ||
2026 | static void | |
0c7a8e5a | 2027 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 2028 | { |
7148cc28 | 2029 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
2030 | struct bfd_link_hash_entry * h; |
2031 | ||
2032 | if (thumb_entry_symbol != NULL) | |
2033 | { | |
b34976b6 AM |
2034 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
2035 | FALSE, FALSE, TRUE); | |
3fc90ddb | 2036 | |
6f798e5c NC |
2037 | if (h != (struct bfd_link_hash_entry *) NULL |
2038 | && (h->type == bfd_link_hash_defined | |
2039 | || h->type == bfd_link_hash_defweak) | |
2040 | && h->u.def.section->output_section != NULL) | |
2041 | { | |
2042 | static char buffer[32]; | |
2043 | bfd_vma val; | |
3fc90ddb | 2044 | |
6f798e5c NC |
2045 | /* Special procesing is required for a Thumb entry symbol. The |
2046 | bottom bit of its address must be set. */ | |
2047 | val = (h->u.def.value | |
f13a99db | 2048 | + bfd_get_section_vma (link_info.output_bfd, |
6f798e5c NC |
2049 | h->u.def.section->output_section) |
2050 | + h->u.def.section->output_offset); | |
3fc90ddb | 2051 | |
6f798e5c | 2052 | val |= 1; |
3fc90ddb | 2053 | |
6f798e5c NC |
2054 | /* Now convert this value into a string and store it in entry_symbol |
2055 | where the lang_finish() function will pick it up. */ | |
2056 | buffer[0] = '0'; | |
2057 | buffer[1] = 'x'; | |
3fc90ddb | 2058 | |
6f798e5c | 2059 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 2060 | |
e3e942e9 | 2061 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 2062 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
2063 | thumb_entry_symbol, entry_symbol.name); |
2064 | entry_symbol.name = buffer; | |
6f798e5c NC |
2065 | } |
2066 | else | |
c58dea77 | 2067 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 2068 | } |
7148cc28 | 2069 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 2070 | |
1e035701 AM |
2071 | finish_default (); |
2072 | ||
c6c37250 | 2073 | #ifdef DLL_SUPPORT |
0e1862bb | 2074 | if (bfd_link_pic (&link_info) |
e8044f35 | 2075 | #if !defined(TARGET_IS_shpe) |
0e1862bb L |
2076 | || (!bfd_link_relocatable (&link_info) |
2077 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
2078 | #endif |
2079 | ) | |
252b5132 | 2080 | { |
f13a99db | 2081 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
76359541 TP |
2082 | if (command_line.out_implib_filename) |
2083 | pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename, | |
2084 | &link_info); | |
252b5132 | 2085 | } |
e8044f35 | 2086 | #if defined(TARGET_IS_shpe) |
690a460e | 2087 | /* ARM doesn't need relocs. */ |
344a211f NC |
2088 | else |
2089 | { | |
f13a99db | 2090 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
2091 | } |
2092 | #endif | |
3fc90ddb | 2093 | |
252b5132 RH |
2094 | if (pe_out_def_filename) |
2095 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 2096 | #endif /* DLL_SUPPORT */ |
decc3638 | 2097 | |
c9e38879 | 2098 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 2099 | { |
f13a99db | 2100 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 2101 | |
decc3638 CW |
2102 | if (asec) |
2103 | { | |
1af699f4 AM |
2104 | asec->flags &= ~SEC_CODE; |
2105 | asec->flags |= SEC_DATA; | |
decc3638 CW |
2106 | } |
2107 | } | |
252b5132 RH |
2108 | } |
2109 | ||
2110 | \f | |
2111 | /* Place an orphan section. | |
2112 | ||
2113 | We use this to put sections in a reasonable place in the file, and | |
2114 | to ensure that they are aligned as required. | |
2115 | ||
d34c1c51 | 2116 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
2117 | goes into the output section .foo. All grouped sections are sorted |
2118 | by name. | |
2119 | ||
2120 | Grouped sections for the default sections are handled by the | |
2121 | default linker script using wildcards, and are sorted by | |
2122 | sort_sections. */ | |
2123 | ||
c2edb4b8 | 2124 | static lang_output_section_statement_type * |
8a99a385 AM |
2125 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2126 | const char *secname, | |
2127 | int constraint) | |
252b5132 | 2128 | { |
bcacc0f5 | 2129 | const char *orig_secname = secname; |
f0c87f88 | 2130 | char *dollar = NULL; |
aea4bd9d | 2131 | lang_output_section_statement_type *os; |
5ba47421 | 2132 | lang_statement_list_type add_child; |
b5f14a6d | 2133 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2134 | lang_statement_union_type **pl; |
252b5132 | 2135 | |
252b5132 | 2136 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2137 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2138 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2139 | { |
bcacc0f5 | 2140 | size_t len = dollar - secname; |
afd7a018 | 2141 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2142 | memcpy (newname, secname, len); |
afd7a018 AM |
2143 | newname[len] = '\0'; |
2144 | secname = newname; | |
6eec49fc | 2145 | } |
252b5132 | 2146 | |
5ba47421 AM |
2147 | lang_list_init (&add_child); |
2148 | ||
d127ecce AM |
2149 | os = NULL; |
2150 | if (constraint == 0) | |
2151 | for (os = lang_output_section_find (secname); | |
2152 | os != NULL; | |
2153 | os = next_matching_output_section_statement (os, 0)) | |
2154 | { | |
2155 | /* If we don't match an existing output section, tell | |
2156 | lang_insert_orphan to create a new output section. */ | |
2157 | constraint = SPECIAL; | |
2158 | ||
2159 | if (os->bfd_section != NULL | |
2160 | && (os->bfd_section->flags == 0 | |
2161 | || ((s->flags ^ os->bfd_section->flags) | |
2162 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2163 | { | |
2164 | /* We already have an output section statement with this | |
2165 | name, and its bfd section has compatible flags. | |
2166 | If the section already exists but does not have any flags set, | |
2167 | then it has been created by the linker, probably as a result of | |
2168 | a --section-start command line switch. */ | |
b9c361e0 | 2169 | lang_add_section (&add_child, s, NULL, os); |
d127ecce AM |
2170 | break; |
2171 | } | |
b5f14a6d DD |
2172 | |
2173 | /* Save unused output sections in case we can match them | |
2174 | against orphans later. */ | |
2175 | if (os->bfd_section == NULL) | |
2176 | match_by_name = os; | |
d127ecce AM |
2177 | } |
2178 | ||
b5f14a6d DD |
2179 | /* If we didn't match an active output section, see if we matched an |
2180 | unused one and use that. */ | |
2181 | if (os == NULL && match_by_name) | |
2182 | { | |
b9c361e0 | 2183 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2184 | return match_by_name; |
2185 | } | |
2186 | ||
d127ecce | 2187 | if (os == NULL) |
252b5132 | 2188 | { |
afd7a018 AM |
2189 | static struct orphan_save hold[] = |
2190 | { | |
2191 | { ".text", | |
2192 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2193 | 0, 0, 0, 0 }, | |
d4874973 KT |
2194 | { ".idata", |
2195 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2196 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2197 | { ".rdata", |
2198 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2199 | 0, 0, 0, 0 }, | |
2200 | { ".data", | |
2201 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2202 | 0, 0, 0, 0 }, | |
2203 | { ".bss", | |
2204 | SEC_ALLOC, | |
2205 | 0, 0, 0, 0 } | |
2206 | }; | |
2207 | enum orphan_save_index | |
2208 | { | |
2209 | orphan_text = 0, | |
d4874973 | 2210 | orphan_idata, |
afd7a018 AM |
2211 | orphan_rodata, |
2212 | orphan_data, | |
2213 | orphan_bss | |
2214 | }; | |
2215 | static int orphan_init_done = 0; | |
6a345e87 | 2216 | struct orphan_save *place; |
afd7a018 | 2217 | lang_output_section_statement_type *after; |
252b5132 | 2218 | etree_type *address; |
93638471 AM |
2219 | flagword flags; |
2220 | asection *nexts; | |
afd7a018 AM |
2221 | |
2222 | if (!orphan_init_done) | |
2223 | { | |
2224 | struct orphan_save *ho; | |
2225 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2226 | if (ho->name != NULL) | |
2227 | { | |
2228 | ho->os = lang_output_section_find (ho->name); | |
2229 | if (ho->os != NULL && ho->os->flags == 0) | |
2230 | ho->os->flags = ho->flags; | |
2231 | } | |
2232 | orphan_init_done = 1; | |
2233 | } | |
252b5132 | 2234 | |
523f4c92 L |
2235 | flags = s->flags; |
2236 | if (!bfd_link_relocatable (&link_info)) | |
2237 | { | |
2238 | nexts = s; | |
2239 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, | |
2240 | nexts))) | |
2241 | if (nexts->output_section == NULL | |
2242 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2243 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2244 | && (nexts->owner->flags & DYNAMIC) == 0 | |
2245 | && nexts->owner->usrdata != NULL | |
2246 | && !(((lang_input_statement_type *) nexts->owner->usrdata) | |
2247 | ->flags.just_syms)) | |
2248 | flags = (((flags ^ SEC_READONLY) | |
2249 | | (nexts->flags ^ SEC_READONLY)) | |
2250 | ^ SEC_READONLY); | |
2251 | } | |
2252 | ||
252b5132 RH |
2253 | /* Try to put the new output section in a reasonable place based |
2254 | on the section name and section flags. */ | |
aea4bd9d | 2255 | |
252b5132 | 2256 | place = NULL; |
93638471 | 2257 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2258 | ; |
93638471 | 2259 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2260 | place = &hold[orphan_bss]; |
93638471 | 2261 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2262 | place = &hold[orphan_data]; |
93638471 | 2263 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2264 | { |
2265 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2266 | : &hold[orphan_rodata]); | |
2267 | } | |
1af699f4 | 2268 | else |
afd7a018 | 2269 | place = &hold[orphan_text]; |
1af699f4 | 2270 | |
afd7a018 | 2271 | after = NULL; |
1af699f4 AM |
2272 | if (place != NULL) |
2273 | { | |
afd7a018 AM |
2274 | if (place->os == NULL) |
2275 | place->os = lang_output_section_find (place->name); | |
2276 | after = place->os; | |
2277 | if (after == NULL) | |
93638471 AM |
2278 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2279 | NULL); | |
afd7a018 AM |
2280 | if (after == NULL) |
2281 | /* *ABS* is always the first output section statement. */ | |
2282 | after = (&lang_output_section_statement.head | |
2283 | ->output_section_statement); | |
252b5132 RH |
2284 | } |
2285 | ||
4bf0cafb DK |
2286 | /* All sections in an executable must be aligned to a page boundary. |
2287 | In a relocatable link, just preserve the incoming alignment; the | |
2288 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2289 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2290 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2291 | &add_child); | |
0e1862bb | 2292 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb DK |
2293 | { |
2294 | os->section_alignment = s->alignment_power; | |
2295 | os->bfd_section->alignment_power = s->alignment_power; | |
2296 | } | |
252b5132 RH |
2297 | } |
2298 | ||
011aa75f AM |
2299 | /* If the section name has a '\$', sort it with the other '\$' |
2300 | sections. */ | |
2301 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2302 | { | |
2303 | lang_input_section_type *ls; | |
2304 | const char *lname; | |
252b5132 | 2305 | |
011aa75f AM |
2306 | if ((*pl)->header.type != lang_input_section_enum) |
2307 | continue; | |
252b5132 | 2308 | |
011aa75f | 2309 | ls = &(*pl)->input_section; |
252b5132 | 2310 | |
011aa75f AM |
2311 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
2312 | if (strchr (lname, '\$') != NULL | |
2313 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2314 | break; | |
2315 | } | |
5ba47421 | 2316 | |
011aa75f AM |
2317 | if (add_child.head != NULL) |
2318 | { | |
2319 | *add_child.tail = *pl; | |
2320 | *pl = add_child.head; | |
2321 | } | |
252b5132 | 2322 | |
c2edb4b8 | 2323 | return os; |
252b5132 RH |
2324 | } |
2325 | ||
b34976b6 | 2326 | static bfd_boolean |
0c7a8e5a | 2327 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2328 | (const char *arch ATTRIBUTE_UNUSED, |
2329 | search_dirs_type *search, | |
0c7a8e5a | 2330 | lang_input_statement_type *entry) |
690a460e | 2331 | { |
45e948fe NC |
2332 | static const struct |
2333 | { | |
2334 | const char * format; | |
2335 | bfd_boolean use_prefix; | |
2336 | } | |
2337 | libname_fmt [] = | |
2338 | { | |
2339 | /* Preferred explicit import library for dll's. */ | |
2340 | { "lib%s.dll.a", FALSE }, | |
2341 | /* Alternate explicit import library for dll's. */ | |
2342 | { "%s.dll.a", FALSE }, | |
2343 | /* "libfoo.a" could be either an import lib or a static lib. | |
2344 | For backwards compatibility, libfoo.a needs to precede | |
2345 | libfoo.dll and foo.dll in the search. */ | |
2346 | { "lib%s.a", FALSE }, | |
92b93329 | 2347 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe NC |
2348 | { "%s.lib", FALSE }, |
2349 | #ifdef DLL_SUPPORT | |
2350 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
2351 | { "%s%s.dll", TRUE }, | |
2352 | #endif | |
2353 | /* Try "libfoo.dll" (default preferred dll name). */ | |
2354 | { "lib%s.dll", FALSE }, | |
2355 | /* Finally try 'native' dll name "foo.dll". */ | |
2356 | { "%s.dll", FALSE }, | |
2357 | /* Note: If adding more formats to this table, make sure to check to | |
2358 | see if their length is longer than libname_fmt[0].format, and if | |
2359 | so, update the call to xmalloc() below. */ | |
2360 | { NULL, FALSE } | |
2361 | }; | |
b1d9458a | 2362 | static unsigned int format_max_len = 0; |
690a460e | 2363 | const char * filename; |
45e948fe NC |
2364 | char * full_string; |
2365 | char * base_string; | |
2366 | unsigned int i; | |
2367 | ||
690a460e | 2368 | |
d4ae5fb0 | 2369 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
b34976b6 | 2370 | return FALSE; |
690a460e NC |
2371 | |
2372 | filename = entry->filename; | |
2373 | ||
b1d9458a NC |
2374 | if (format_max_len == 0) |
2375 | /* We need to allow space in the memory that we are going to allocate | |
2376 | for the characters in the format string. Since the format array is | |
2377 | static we only need to calculate this information once. In theory | |
2378 | this value could also be computed statically, but this introduces | |
2379 | the possibility for a discrepancy and hence a possible memory | |
2380 | corruption. The lengths we compute here will be too long because | |
2381 | they will include any formating characters (%s) in the strings, but | |
2382 | this will not matter. */ | |
2383 | for (i = 0; libname_fmt[i].format; i++) | |
2384 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2385 | format_max_len = strlen (libname_fmt[i].format); | |
2386 | ||
45e948fe NC |
2387 | full_string = xmalloc (strlen (search->name) |
2388 | + strlen (filename) | |
b1d9458a | 2389 | + format_max_len |
b9a69188 | 2390 | #ifdef DLL_SUPPORT |
45e948fe NC |
2391 | + (pe_dll_search_prefix |
2392 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2393 | #endif |
b1d9458a NC |
2394 | /* Allow for the terminating NUL and for the path |
2395 | separator character that is inserted between | |
2396 | search->name and the start of the format string. */ | |
2397 | + 2); | |
690a460e | 2398 | |
45e948fe NC |
2399 | sprintf (full_string, "%s/", search->name); |
2400 | base_string = full_string + strlen (full_string); | |
690a460e | 2401 | |
45e948fe | 2402 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2403 | { |
92b93329 | 2404 | #ifdef DLL_SUPPORT |
45e948fe | 2405 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2406 | { |
45e948fe NC |
2407 | if (!pe_dll_search_prefix) |
2408 | continue; | |
2409 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2410 | } |
45e948fe NC |
2411 | else |
2412 | #endif | |
2413 | sprintf (base_string, libname_fmt[i].format, filename); | |
2414 | ||
2415 | if (ldfile_try_open_bfd (full_string, entry)) | |
2416 | break; | |
2417 | } | |
2418 | ||
2419 | if (!libname_fmt[i].format) | |
2420 | { | |
2421 | free (full_string); | |
2422 | return FALSE; | |
690a460e | 2423 | } |
602e90d3 | 2424 | |
45e948fe | 2425 | entry->filename = full_string; |
690a460e | 2426 | |
b34976b6 | 2427 | return TRUE; |
690a460e NC |
2428 | } |
2429 | ||
344a211f | 2430 | static int |
0c7a8e5a AM |
2431 | gld_${EMULATION_NAME}_find_potential_libraries |
2432 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2433 | { |
2434 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2435 | } | |
252b5132 RH |
2436 | \f |
2437 | static char * | |
0c7a8e5a | 2438 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2439 | EOF |
2440 | # Scripts compiled in. | |
2441 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2442 | sc="-f stringify.sed" |
252b5132 | 2443 | |
92b93329 | 2444 | fragment <<EOF |
3fc90ddb | 2445 | { |
252b5132 RH |
2446 | *isfile = 0; |
2447 | ||
0e1862bb | 2448 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2449 | return |
2450 | EOF | |
1af699f4 | 2451 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2452 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2453 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2454 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2455 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2456 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2457 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2458 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2459 | 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 |
2460 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2461 | fi | |
1af699f4 AM |
2462 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2463 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2464 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2465 | |
92b93329 | 2466 | fragment <<EOF |
252b5132 RH |
2467 | |
2468 | ||
3fc90ddb | 2469 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2470 | { |
2471 | gld_${EMULATION_NAME}_before_parse, | |
2472 | syslib_default, | |
2473 | hll_default, | |
2474 | gld_${EMULATION_NAME}_after_parse, | |
2475 | gld_${EMULATION_NAME}_after_open, | |
2476 | after_allocation_default, | |
2477 | set_output_arch_default, | |
2478 | ldemul_default_target, | |
2479 | gld_${EMULATION_NAME}_before_allocation, | |
2480 | gld_${EMULATION_NAME}_get_script, | |
2481 | "${EMULATION_NAME}", | |
2482 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2483 | gld_${EMULATION_NAME}_finish, |
2484 | NULL, /* Create output section statements. */ | |
690a460e | 2485 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2486 | gld_${EMULATION_NAME}_place_orphan, |
2487 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2488 | NULL, /* parse_args */ |
2489 | gld${EMULATION_NAME}_add_options, | |
2490 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2491 | gld_${EMULATION_NAME}_unrecognized_file, |
2492 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2493 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2494 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 DD |
2495 | NULL, /* new_vers_pattern. */ |
2496 | NULL /* extra_map_file_text. */ | |
252b5132 RH |
2497 | }; |
2498 | EOF |