]>
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 | |
ef6379e1 JD |
8 | |
9 | case ${target} in | |
10 | *-*-cygwin*) | |
11 | cygwin_behavior=1 | |
12 | ;; | |
13 | *) | |
14 | cygwin_behavior=0; | |
15 | ;; | |
16 | esac | |
17 | ||
361d94e7 ILT |
18 | rm -f e${EMULATION_NAME}.c |
19 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 20 | fragment <<EOF |
a2c58332 | 21 | /* Copyright (C) 1995-2022 Free Software Foundation, Inc. |
252b5132 | 22 | |
f96b4a7b NC |
23 | This file is part of the GNU Binutils. |
24 | ||
2fa9fc65 NC |
25 | This program is free software; you can redistribute it and/or modify |
26 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 27 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 28 | (at your option) any later version. |
252b5132 | 29 | |
2fa9fc65 NC |
30 | This program is distributed in the hope that it will be useful, |
31 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
32 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
33 | GNU General Public License for more details. | |
252b5132 | 34 | |
2fa9fc65 NC |
35 | You should have received a copy of the GNU General Public License |
36 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
37 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
38 | MA 02110-1301, USA. */ | |
39 | ||
252b5132 RH |
40 | |
41 | /* For WINDOWS_NT */ | |
42 | /* The original file generated returned different default scripts depending | |
43 | on whether certain switches were set, but these switches pertain to the | |
44 | Linux system and that particular version of coff. In the NT case, we | |
45 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
46 | the correct entry point by default. */ |
47 | ||
db09f25b AM |
48 | #define TARGET_IS_${EMULATION_NAME} |
49 | ||
252b5132 | 50 | #include "sysdep.h" |
3db64b00 | 51 | #include "bfd.h" |
252b5132 | 52 | #include "bfdlink.h" |
1ff6de03 | 53 | #include "ctf-api.h" |
252b5132 RH |
54 | #include "getopt.h" |
55 | #include "libiberty.h" | |
42627821 | 56 | #include "filenames.h" |
252b5132 RH |
57 | #include "ld.h" |
58 | #include "ldmain.h" | |
252b5132 RH |
59 | #include "ldexp.h" |
60 | #include "ldlang.h" | |
b71e2778 | 61 | #include "ldfile.h" |
252b5132 | 62 | #include "ldemul.h" |
df2a7313 | 63 | #include <ldgram.h> |
252b5132 RH |
64 | #include "ldlex.h" |
65 | #include "ldmisc.h" | |
66 | #include "ldctor.h" | |
61e2488c | 67 | #include "ldbuildid.h" |
252b5132 | 68 | #include "coff/internal.h" |
71add731 | 69 | |
26d2d8a2 BF |
70 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
71 | header in generic PE code. */ | |
72 | #include "coff/i386.h" | |
73 | #include "coff/pe.h" | |
74 | ||
61e2488c | 75 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 76 | using it here. */ |
252b5132 | 77 | #include "../bfd/libcoff.h" |
61e2488c | 78 | #include "../bfd/libpei.h" |
71add731 | 79 | |
f37164d7 AM |
80 | #if defined(TARGET_IS_armpe) \ |
81 | || defined(TARGET_IS_arm_wince_pe) | |
82 | #define bfd_arm_allocate_interworking_sections \ | |
83 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
84 | #define bfd_arm_get_bfd_for_interworking \ | |
85 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
86 | #define bfd_arm_process_before_allocation \ | |
87 | bfd_${EMULATION_NAME}_process_before_allocation | |
88 | #include "coff-arm.h" | |
89 | #endif | |
90 | ||
252b5132 | 91 | #include "deffile.h" |
1069dd8d | 92 | #include "pe-dll.h" |
29e1a6e4 | 93 | #include "safe-ctype.h" |
14fe918e | 94 | |
2be9b2c7 ILT |
95 | /* Permit the emulation parameters to override the default section |
96 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
97 | it seem that include/coff/internal.h should not define | |
98 | PE_DEF_SECTION_ALIGNMENT. */ | |
99 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
100 | #undef PE_DEF_SECTION_ALIGNMENT | |
101 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
102 | #endif | |
103 | ||
7148cc28 NC |
104 | #if defined(TARGET_IS_i386pe) \ |
105 | || defined(TARGET_IS_shpe) \ | |
7148cc28 | 106 | || defined(TARGET_IS_armpe) \ |
7148cc28 | 107 | || defined(TARGET_IS_arm_wince_pe) |
344a211f NC |
108 | #define DLL_SUPPORT |
109 | #endif | |
c6c37250 | 110 | |
e468a046 KT |
111 | #if defined(TARGET_IS_i386pe) |
112 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
113 | #else | |
114 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
115 | #endif | |
116 | ||
ef6379e1 JD |
117 | #define DEFAULT_DLL_CHARACTERISTICS (${cygwin_behavior} ? 0 : \ |
118 | IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE \ | |
514b4e19 JD |
119 | | IMAGE_DLL_CHARACTERISTICS_NX_COMPAT) |
120 | ||
344a211f | 121 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 122 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
123 | #else |
124 | #undef NT_EXE_IMAGE_BASE | |
125 | #undef PE_DEF_SECTION_ALIGNMENT | |
126 | #undef PE_DEF_FILE_ALIGNMENT | |
127 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
128 | |
129 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
130 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
131 | #define PE_DEF_SUBSYSTEM 9 | |
132 | #else | |
133 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
134 | #define PE_DEF_SUBSYSTEM 2 | |
135 | #endif | |
136 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
137 | #endif | |
c6c37250 | 138 | |
252b5132 RH |
139 | static struct internal_extra_pe_aouthdr pe; |
140 | static int dll; | |
decfa41e | 141 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 142 | static flagword real_flags = 0; |
252b5132 | 143 | static int support_old_code = 0; |
6f798e5c | 144 | static char * thumb_entry_symbol = NULL; |
252b5132 | 145 | static lang_assignment_statement_type *image_base_statement = 0; |
514b4e19 | 146 | static unsigned short pe_dll_characteristics = DEFAULT_DLL_CHARACTERISTICS; |
f38a2680 | 147 | static bool insert_timestamp = true; |
61e2488c | 148 | static const char *emit_build_id; |
252b5132 | 149 | |
f0c87f88 | 150 | #ifdef DLL_SUPPORT |
4cd89863 | 151 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e | 152 | static char *pe_out_def_filename = NULL; |
5f577f7d | 153 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 154 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 155 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 156 | #endif |
252b5132 RH |
157 | |
158 | extern const char *output_filename; | |
159 | ||
d74720d2 | 160 | static int is_underscoring (void) |
252b5132 | 161 | { |
d74720d2 KT |
162 | int u = 0; |
163 | if (pe_leading_underscore != -1) | |
164 | return pe_leading_underscore; | |
165 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) | |
b804e4af KT |
166 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
167 | ||
168 | if (u == -1) | |
169 | abort (); | |
d74720d2 KT |
170 | pe_leading_underscore = (u != 0 ? 1 : 0); |
171 | return pe_leading_underscore; | |
172 | } | |
b804e4af | 173 | |
d74720d2 KT |
174 | static void |
175 | gld_${EMULATION_NAME}_before_parse (void) | |
176 | { | |
177 | is_underscoring (); | |
5e2f1575 | 178 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 179 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 180 | #ifdef DLL_SUPPORT |
f38a2680 | 181 | input_flags.dynamic = true; |
252b5132 | 182 | config.has_shared = 1; |
5b9c6027 DK |
183 | EOF |
184 | ||
185 | # Cygwin no longer wants these noisy warnings. Other PE | |
186 | # targets might like to consider adding themselves here. | |
27320b85 NC |
187 | # See also the mail thread starting here for the reason why |
188 | # merge_rdata defaults to 0 for cygwin: | |
189 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html | |
5b9c6027 DK |
190 | case ${target} in |
191 | *-*-cygwin*) | |
192 | default_auto_import=1 | |
27320b85 | 193 | default_merge_rdata=0 |
ca5f2203 | 194 | ;; |
09db93a8 | 195 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
ca5f2203 KT |
196 | default_auto_import=1 |
197 | default_merge_rdata=0 | |
5b9c6027 DK |
198 | ;; |
199 | *) | |
200 | default_auto_import=-1 | |
ca5f2203 | 201 | default_merge_rdata=1 |
5b9c6027 DK |
202 | ;; |
203 | esac | |
204 | ||
205 | fragment <<EOF | |
206 | link_info.pei386_auto_import = ${default_auto_import}; | |
e468a046 KT |
207 | /* Use by default version. */ |
208 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; | |
252b5132 RH |
209 | #endif |
210 | } | |
211 | \f | |
ca5f2203 KT |
212 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
213 | version 2 is used and auto-import is enabled. */ | |
214 | #define MERGE_RDATA_V2 ${default_merge_rdata} | |
215 | ||
252b5132 RH |
216 | /* PE format extra command line options. */ |
217 | ||
4cd89863 | 218 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
219 | #define OPTION_BASE_FILE (300 + 1) |
220 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
221 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
222 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
223 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
224 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
225 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
226 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
227 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
228 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
229 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
230 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
231 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
232 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
233 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
234 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
235 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
236 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
2927aaca NC |
237 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
238 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) | |
252b5132 RH |
239 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
240 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
241 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
76359541 | 242 | #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1) |
870df5dc NC |
243 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
244 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
245 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
246 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
247 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
248 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
249 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
250 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
251 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 252 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
253 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
254 | (OPTION_EXCLUDE_LIBS + 1) | |
255 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
256 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6c19b93b | 257 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 | 258 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
6c19b93b | 259 | (OPTION_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 | 260 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 261 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
262 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
263 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
264 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
265 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 266 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 267 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
6c19b93b AM |
268 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
269 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
270 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
271 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
272 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
273 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 274 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
275 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
276 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
277 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 278 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
279 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
280 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
281 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
282 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
283 | /* Determinism. */ |
284 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
285 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
286 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
dc9bd8c9 | 287 | #define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1) |
514b4e19 JD |
288 | #define OPTION_DISABLE_RELOC_SECTION (OPTION_ENABLE_RELOC_SECTION + 1) |
289 | /* DLL Characteristics flags. */ | |
290 | #define OPTION_DISABLE_DYNAMIC_BASE (OPTION_DISABLE_RELOC_SECTION + 1) | |
291 | #define OPTION_DISABLE_FORCE_INTEGRITY (OPTION_DISABLE_DYNAMIC_BASE + 1) | |
292 | #define OPTION_DISABLE_NX_COMPAT (OPTION_DISABLE_FORCE_INTEGRITY + 1) | |
293 | #define OPTION_DISABLE_NO_ISOLATION (OPTION_DISABLE_NX_COMPAT + 1) | |
294 | #define OPTION_DISABLE_NO_SEH (OPTION_DISABLE_NO_ISOLATION + 1) | |
295 | #define OPTION_DISABLE_NO_BIND (OPTION_DISABLE_NO_SEH + 1) | |
296 | #define OPTION_DISABLE_WDM_DRIVER (OPTION_DISABLE_NO_BIND + 1) | |
297 | #define OPTION_DISABLE_TERMINAL_SERVER_AWARE \ | |
298 | (OPTION_DISABLE_WDM_DRIVER + 1) | |
252b5132 | 299 | |
3bcf5557 | 300 | static void |
0c7a8e5a | 301 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
302 | (int ns ATTRIBUTE_UNUSED, |
303 | char **shortopts ATTRIBUTE_UNUSED, | |
304 | int nl, | |
305 | struct option **longopts, | |
306 | int nrl ATTRIBUTE_UNUSED, | |
307 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 308 | { |
27320b85 NC |
309 | static const struct option xtra_long[] = |
310 | { | |
311 | /* PE options. */ | |
3bcf5557 AM |
312 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
313 | {"dll", no_argument, NULL, OPTION_DLL}, | |
314 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
315 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
316 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
317 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
318 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
319 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
320 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
321 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
322 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
323 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
324 | {"stack", required_argument, NULL, OPTION_STACK}, | |
325 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
326 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
327 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
328 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
329 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
330 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
331 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 332 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 333 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 334 | #ifdef DLL_SUPPORT |
d127ecce AM |
335 | /* getopt allows abbreviations, so we do this to stop it |
336 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
337 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
338 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
339 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
340 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 341 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 342 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 343 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
344 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
345 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
346 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
347 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
3bcf5557 AM |
348 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
349 | /* getopt() allows abbreviations, so we do this to stop it from | |
350 | treating -c as an abbreviation for these --compat-implib. */ | |
351 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
352 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 353 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
354 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
355 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
356 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
357 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
358 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
359 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
360 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
361 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
362 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
363 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 364 | #endif |
26d2d8a2 | 365 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 366 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
367 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
368 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 | 369 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
514b4e19 | 370 | {"disable-dynamicbase",no_argument, NULL, OPTION_DISABLE_DYNAMIC_BASE}, |
2f563b51 | 371 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, |
514b4e19 | 372 | {"disable-forceinteg", no_argument, NULL, OPTION_DISABLE_FORCE_INTEGRITY}, |
2f563b51 | 373 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, |
514b4e19 | 374 | {"disable-nxcompat", no_argument, NULL, OPTION_DISABLE_NX_COMPAT}, |
2f563b51 | 375 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, |
514b4e19 | 376 | {"disable-no-isolation", no_argument, NULL, OPTION_DISABLE_NO_ISOLATION}, |
2f563b51 | 377 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, |
514b4e19 | 378 | {"disable-no-seh", no_argument, NULL, OPTION_DISABLE_NO_SEH}, |
2f563b51 | 379 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, |
514b4e19 | 380 | {"disable-no-bind", no_argument, NULL, OPTION_DISABLE_NO_BIND}, |
2f563b51 | 381 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, |
514b4e19 | 382 | {"disable-wdmdriver", no_argument, NULL, OPTION_DISABLE_WDM_DRIVER}, |
2f563b51 | 383 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, |
514b4e19 | 384 | {"disable-tsaware", no_argument, NULL, OPTION_DISABLE_TERMINAL_SERVER_AWARE}, |
61e2488c | 385 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
dc9bd8c9 | 386 | {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION}, |
514b4e19 | 387 | {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION}, |
3bcf5557 AM |
388 | {NULL, no_argument, NULL, 0} |
389 | }; | |
252b5132 | 390 | |
d127ecce AM |
391 | *longopts |
392 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
393 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
394 | } | |
252b5132 RH |
395 | |
396 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 397 | parameters which may be input from the command line. */ |
252b5132 RH |
398 | |
399 | typedef struct | |
400 | { | |
401 | void *ptr; | |
402 | int size; | |
403 | int value; | |
404 | char *symbol; | |
405 | int inited; | |
522f09cd KT |
406 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
407 | C visible symbols can be prefixed by underscore dependent to target's | |
408 | settings. */ | |
f38a2680 | 409 | bool is_c_symbol; |
252b5132 RH |
410 | } definfo; |
411 | ||
522f09cd KT |
412 | /* Get symbol name dependent to kind and C visible state of |
413 | underscore. */ | |
414 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
415 | (init[(IDX)].symbol \ | |
535b785f | 416 | + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1)) |
522f09cd KT |
417 | |
418 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
419 | #define U(CSTR) \ | |
d74720d2 | 420 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd | 421 | |
61e2488c | 422 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
423 | |
424 | static definfo init[] = | |
425 | { | |
426 | /* imagebase must be first */ | |
427 | #define IMAGEBASEOFF 0 | |
f38a2680 | 428 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, false), |
252b5132 | 429 | #define DLLOFF 1 |
f38a2680 | 430 | {&dll, sizeof(dll), 0, "__dll__", 0, false}, |
dffc6a64 | 431 | #define MSIMAGEBASEOFF 2 |
f38a2680 AM |
432 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, true), |
433 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, false), | |
434 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, false), | |
435 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, false), | |
436 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, false), | |
437 | D(MajorImageVersion,"__major_image_version__", 1, false), | |
438 | D(MinorImageVersion,"__minor_image_version__", 0, false), | |
7148cc28 | 439 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f38a2680 | 440 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, false), |
344a211f | 441 | #else |
f38a2680 | 442 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, false), |
344a211f | 443 | #endif |
f38a2680 AM |
444 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, false), |
445 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, false), | |
446 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, false), | |
447 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, false), | |
448 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, false), | |
449 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, false), | |
450 | D(LoaderFlags,"__loader_flags__", 0x0, false), | |
451 | D(DllCharacteristics, "__dll_characteristics__", DEFAULT_DLL_CHARACTERISTICS, false), | |
452 | { NULL, 0, 0, NULL, 0 , false} | |
252b5132 RH |
453 | }; |
454 | ||
4cd89863 | 455 | |
252b5132 | 456 | static void |
0c7a8e5a | 457 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
458 | { |
459 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
460 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
461 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
462 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
463 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
464 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
465 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
466 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
467 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
468 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
469 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
470 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
471 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
472 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
473 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 474 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 475 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 476 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 477 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 478 | #ifdef DLL_SUPPORT |
252b5132 RH |
479 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
480 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
481 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
482 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 483 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 484 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
485 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
486 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
487 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
488 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
489 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
252b5132 | 490 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
d0e6d77b | 491 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
492 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
493 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
494 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
495 | (optionally starting with address) unless\n\ | |
496 | specifically set with --image-base\n")); | |
5f577f7d | 497 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
498 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
499 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 500 | in preference to lib<basename>.dll \n")); |
c85f715a | 501 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 502 | __imp_sym for DATA references\n")); |
decc3638 | 503 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 504 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
505 | adding pseudo-relocations resolved at\n\ |
506 | runtime.\n")); | |
2fa9fc65 NC |
507 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
508 | auto-imported DATA.\n")); | |
e3c8793a NC |
509 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
510 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 511 | #endif |
26d2d8a2 BF |
512 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
513 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
514 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
515 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
516 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
517 | executable image files\n")); | |
518 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
519 | in object files\n")); | |
514b4e19 | 520 | fprintf (file, _(" --[disable-]dynamicbase Image base address may be relocated using\n\ |
df5f2391 | 521 | address space layout randomization (ASLR)\n")); |
dc9bd8c9 | 522 | fprintf (file, _(" --enable-reloc-section Create the base relocation table\n")); |
514b4e19 JD |
523 | fprintf (file, _(" --disable-reloc-section Do not create the base relocation table\n")); |
524 | fprintf (file, _(" --[disable-]forceinteg Code integrity checks are enforced\n")); | |
525 | fprintf (file, _(" --[disable-]nxcompat Image is compatible with data execution\n\ | |
526 | prevention\n")); | |
527 | fprintf (file, _(" --[disable-]no-isolation Image understands isolation but do not\n\ | |
528 | isolate the image\n")); | |
529 | fprintf (file, _(" --[disable-]no-seh Image does not use SEH. No SE handler may\n\ | |
df5f2391 | 530 | be called in this image\n")); |
514b4e19 JD |
531 | fprintf (file, _(" --[disable-]no-bind Do not bind this image\n")); |
532 | fprintf (file, _(" --[disable-]wdmdriver Driver uses the WDM model\n")); | |
533 | fprintf (file, _(" --[disable-]tsaware Image is Terminal Server aware\n")); | |
534 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); | |
252b5132 RH |
535 | } |
536 | ||
4cd89863 | 537 | |
252b5132 | 538 | static void |
0c7a8e5a | 539 | set_pe_name (char *name, long val) |
252b5132 | 540 | { |
d74720d2 KT |
541 | int i; |
542 | is_underscoring (); | |
4cd89863 NC |
543 | |
544 | /* Find the name and set it. */ | |
252b5132 RH |
545 | for (i = 0; init[i].ptr; i++) |
546 | { | |
522f09cd | 547 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
548 | { |
549 | init[i].value = val; | |
550 | init[i].inited = 1; | |
dffc6a64 KT |
551 | if (strcmp (name,"__image_base__") == 0) |
552 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
553 | return; |
554 | } | |
555 | } | |
939ba9d0 | 556 | abort (); |
252b5132 RH |
557 | } |
558 | ||
decfa41e KT |
559 | static void |
560 | set_entry_point (void) | |
561 | { | |
562 | const char *entry; | |
563 | const char *initial_symbol_char; | |
d74720d2 | 564 | int i; |
decfa41e KT |
565 | |
566 | static const struct | |
6c19b93b AM |
567 | { |
568 | const int value; | |
569 | const char *entry; | |
570 | } | |
decfa41e KT |
571 | v[] = |
572 | { | |
573 | { 1, "NtProcessStartup" }, | |
574 | { 2, "WinMainCRTStartup" }, | |
575 | { 3, "mainCRTStartup" }, | |
576 | { 7, "__PosixProcessStartup"}, | |
577 | { 9, "WinMainCRTStartup" }, | |
578 | {14, "mainCRTStartup" }, | |
579 | { 0, NULL } | |
580 | }; | |
581 | ||
582 | /* Entry point name for arbitrary subsystem numbers. */ | |
583 | static const char default_entry[] = "mainCRTStartup"; | |
584 | ||
307f2595 | 585 | if (bfd_link_dll (&link_info) || dll) |
decfa41e KT |
586 | { |
587 | #if defined (TARGET_IS_i386pe) | |
588 | entry = "DllMainCRTStartup@12"; | |
589 | #else | |
590 | entry = "DllMainCRTStartup"; | |
591 | #endif | |
592 | } | |
593 | else | |
594 | { | |
decfa41e | 595 | for (i = 0; v[i].entry; i++) |
6c19b93b AM |
596 | if (v[i].value == pe_subsystem) |
597 | break; | |
decfa41e KT |
598 | |
599 | /* If no match, use the default. */ | |
600 | if (v[i].entry != NULL) | |
6c19b93b | 601 | entry = v[i].entry; |
decfa41e | 602 | else |
6c19b93b | 603 | entry = default_entry; |
decfa41e KT |
604 | } |
605 | ||
d74720d2 | 606 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 607 | |
decfa41e KT |
608 | if (*initial_symbol_char != '\0') |
609 | { | |
610 | char *alc_entry; | |
611 | ||
612 | /* lang_default_entry expects its argument to be permanently | |
613 | allocated, so we don't free this string. */ | |
614 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
615 | + strlen (entry) | |
616 | + 1); | |
617 | strcpy (alc_entry, initial_symbol_char); | |
618 | strcat (alc_entry, entry); | |
619 | entry = alc_entry; | |
620 | } | |
621 | ||
622 | lang_default_entry (entry); | |
623 | } | |
252b5132 RH |
624 | |
625 | static void | |
0c7a8e5a | 626 | set_pe_subsystem (void) |
252b5132 RH |
627 | { |
628 | const char *sver; | |
33f362e1 | 629 | char *end; |
252b5132 RH |
630 | int len; |
631 | int i; | |
33f362e1 | 632 | unsigned long temp_subsystem; |
3fc90ddb | 633 | static const struct |
252b5132 RH |
634 | { |
635 | const char *name; | |
636 | const int value; | |
252b5132 RH |
637 | } |
638 | v[] = | |
639 | { | |
decfa41e KT |
640 | { "native", 1}, |
641 | { "windows", 2}, | |
642 | { "console", 3}, | |
643 | { "posix", 7}, | |
644 | { "wince", 9}, | |
645 | { "xbox", 14}, | |
646 | { NULL, 0 } | |
252b5132 RH |
647 | }; |
648 | ||
33f362e1 | 649 | /* Check for the presence of a version number. */ |
252b5132 RH |
650 | sver = strchr (optarg, ':'); |
651 | if (sver == NULL) | |
652 | len = strlen (optarg); | |
653 | else | |
654 | { | |
252b5132 RH |
655 | len = sver - optarg; |
656 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 657 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
658 | if (*end == '.') |
659 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 660 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
661 | if (*end != '\0') |
662 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
663 | } | |
664 | ||
33f362e1 NC |
665 | /* Check for numeric subsystem. */ |
666 | temp_subsystem = strtoul (optarg, & end, 0); | |
667 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 668 | { |
33f362e1 NC |
669 | /* Search list for a numeric match to use its entry point. */ |
670 | for (i = 0; v[i].name; i++) | |
671 | if (v[i].value == (int) temp_subsystem) | |
672 | break; | |
673 | ||
33f362e1 | 674 | /* Use this subsystem. */ |
decfa41e | 675 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
676 | } |
677 | else | |
678 | { | |
679 | /* Search for subsystem by name. */ | |
680 | for (i = 0; v[i].name; i++) | |
681 | if (strncmp (optarg, v[i].name, len) == 0 | |
682 | && v[i].name[len] == '\0') | |
683 | break; | |
252b5132 | 684 | |
33f362e1 NC |
685 | if (v[i].name == NULL) |
686 | { | |
df5f2391 | 687 | einfo (_("%F%P: invalid subsystem type %s\n"), optarg); |
252b5132 RH |
688 | return; |
689 | } | |
33f362e1 | 690 | |
decfa41e | 691 | pe_subsystem = v[i].value; |
252b5132 | 692 | } |
3fc90ddb | 693 | |
decfa41e | 694 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
695 | |
696 | return; | |
252b5132 RH |
697 | } |
698 | ||
699 | ||
252b5132 | 700 | static void |
0c7a8e5a | 701 | set_pe_value (char *name) |
252b5132 RH |
702 | { |
703 | char *end; | |
3fc90ddb | 704 | |
252b5132 | 705 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 706 | |
252b5132 | 707 | if (end == optarg) |
df5f2391 | 708 | einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg); |
252b5132 RH |
709 | |
710 | optarg = end; | |
711 | } | |
712 | ||
4cd89863 | 713 | |
252b5132 | 714 | static void |
0c7a8e5a | 715 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
716 | { |
717 | set_pe_value (resname); | |
3fc90ddb | 718 | |
252b5132 RH |
719 | if (*optarg == ',') |
720 | { | |
721 | optarg++; | |
722 | set_pe_value (comname); | |
723 | } | |
724 | else if (*optarg) | |
df5f2391 | 725 | einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg); |
252b5132 RH |
726 | } |
727 | ||
61e2488c | 728 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 729 | |
f38a2680 | 730 | static bool |
0c7a8e5a | 731 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 732 | { |
252b5132 RH |
733 | switch (optc) |
734 | { | |
735 | default: | |
f38a2680 | 736 | return false; |
252b5132 RH |
737 | |
738 | case OPTION_BASE_FILE: | |
0c7a8e5a | 739 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 740 | if (link_info.base_file == NULL) |
e922bcab | 741 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
742 | break; |
743 | ||
4cd89863 | 744 | /* PE options. */ |
3fc90ddb | 745 | case OPTION_HEAP: |
252b5132 RH |
746 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
747 | break; | |
3fc90ddb | 748 | case OPTION_STACK: |
252b5132 RH |
749 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
750 | break; | |
751 | case OPTION_SUBSYSTEM: | |
752 | set_pe_subsystem (); | |
753 | break; | |
754 | case OPTION_MAJOR_OS_VERSION: | |
755 | set_pe_value ("__major_os_version__"); | |
756 | break; | |
757 | case OPTION_MINOR_OS_VERSION: | |
758 | set_pe_value ("__minor_os_version__"); | |
759 | break; | |
760 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
761 | set_pe_value ("__major_subsystem_version__"); | |
762 | break; | |
763 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
764 | set_pe_value ("__minor_subsystem_version__"); | |
765 | break; | |
766 | case OPTION_MAJOR_IMAGE_VERSION: | |
767 | set_pe_value ("__major_image_version__"); | |
768 | break; | |
769 | case OPTION_MINOR_IMAGE_VERSION: | |
770 | set_pe_value ("__minor_image_version__"); | |
771 | break; | |
772 | case OPTION_FILE_ALIGNMENT: | |
773 | set_pe_value ("__file_alignment__"); | |
774 | break; | |
775 | case OPTION_SECTION_ALIGNMENT: | |
776 | set_pe_value ("__section_alignment__"); | |
777 | break; | |
778 | case OPTION_DLL: | |
779 | set_pe_name ("__dll__", 1); | |
780 | break; | |
781 | case OPTION_IMAGE_BASE: | |
782 | set_pe_value ("__image_base__"); | |
783 | break; | |
784 | case OPTION_SUPPORT_OLD_CODE: | |
785 | support_old_code = 1; | |
786 | break; | |
6f798e5c NC |
787 | case OPTION_THUMB_ENTRY: |
788 | thumb_entry_symbol = optarg; | |
789 | break; | |
ce11ba6c | 790 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
f38a2680 | 791 | pe_use_nul_prefixed_import_tables = true; |
ce11ba6c | 792 | break; |
522f09cd KT |
793 | case OPTION_NO_LEADING_UNDERSCORE: |
794 | pe_leading_underscore = 0; | |
795 | break; | |
796 | case OPTION_LEADING_UNDERSCORE: | |
797 | pe_leading_underscore = 1; | |
798 | break; | |
0cb112f7 | 799 | case OPTION_INSERT_TIMESTAMP: |
f38a2680 | 800 | insert_timestamp = true; |
0cb112f7 | 801 | break; |
eeb14e5a | 802 | case OPTION_NO_INSERT_TIMESTAMP: |
f38a2680 | 803 | insert_timestamp = false; |
eeb14e5a | 804 | break; |
c6c37250 | 805 | #ifdef DLL_SUPPORT |
252b5132 RH |
806 | case OPTION_OUT_DEF: |
807 | pe_out_def_filename = xstrdup (optarg); | |
808 | break; | |
809 | case OPTION_EXPORT_ALL: | |
810 | pe_dll_export_everything = 1; | |
811 | break; | |
812 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 813 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 814 | break; |
2927aaca NC |
815 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
816 | pe_dll_exclude_all_symbols = 1; | |
817 | break; | |
70b0be79 | 818 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
819 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
820 | break; | |
821 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
822 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
823 | break; |
824 | case OPTION_KILL_ATS: | |
825 | pe_dll_kill_ats = 1; | |
826 | break; | |
827 | case OPTION_STDCALL_ALIASES: | |
828 | pe_dll_stdcall_aliases = 1; | |
829 | break; | |
830 | case OPTION_ENABLE_STDCALL_FIXUP: | |
831 | pe_enable_stdcall_fixup = 1; | |
832 | break; | |
833 | case OPTION_DISABLE_STDCALL_FIXUP: | |
834 | pe_enable_stdcall_fixup = 0; | |
835 | break; | |
870df5dc NC |
836 | case OPTION_WARN_DUPLICATE_EXPORTS: |
837 | pe_dll_warn_dup_exports = 1; | |
838 | break; | |
839 | case OPTION_IMP_COMPAT: | |
840 | pe_dll_compat_implib = 1; | |
841 | break; | |
5f577f7d DD |
842 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
843 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
844 | if (optarg && *optarg) |
845 | { | |
846 | char *end; | |
61e2488c | 847 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
848 | /* XXX should check that we actually parsed something */ |
849 | } | |
5f577f7d DD |
850 | break; |
851 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
852 | pe_enable_auto_image_base = 0; | |
853 | break; | |
627427de | 854 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 855 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 856 | break; |
1122a5fc NC |
857 | case OPTION_NO_DEFAULT_EXCLUDES: |
858 | pe_dll_do_default_excludes = 0; | |
859 | break; | |
decc3638 | 860 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 861 | link_info.pei386_auto_import = 1; |
decc3638 CW |
862 | break; |
863 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 864 | link_info.pei386_auto_import = 0; |
decc3638 | 865 | break; |
2fa9fc65 | 866 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
867 | link_info.pei386_runtime_pseudo_reloc = |
868 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 869 | break; |
6cb442d3 KT |
870 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
871 | link_info.pei386_runtime_pseudo_reloc = 1; | |
872 | break; | |
873 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
874 | link_info.pei386_runtime_pseudo_reloc = 2; | |
875 | break; | |
2fa9fc65 NC |
876 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
877 | link_info.pei386_runtime_pseudo_reloc = 0; | |
878 | break; | |
decc3638 CW |
879 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
880 | pe_dll_extra_pe_debug = 1; | |
881 | break; | |
c6c37250 | 882 | #endif |
26d2d8a2 BF |
883 | case OPTION_LARGE_ADDRESS_AWARE: |
884 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
885 | break; | |
f69a2f97 NC |
886 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
887 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
888 | break; | |
88183869 DK |
889 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
890 | pe_use_coff_long_section_names = 1; | |
891 | break; | |
892 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
893 | pe_use_coff_long_section_names = 0; | |
894 | break; | |
2f563b51 DK |
895 | /* Get DLLCharacteristics bits */ |
896 | case OPTION_DYNAMIC_BASE: | |
897 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
dc9bd8c9 HD |
898 | /* fall through */ |
899 | case OPTION_ENABLE_RELOC_SECTION: | |
900 | pe_dll_enable_reloc_section = 1; | |
2f563b51 | 901 | break; |
514b4e19 JD |
902 | case OPTION_DISABLE_RELOC_SECTION: |
903 | pe_dll_enable_reloc_section = 0; | |
904 | /* fall through */ | |
905 | case OPTION_DISABLE_DYNAMIC_BASE: | |
906 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
907 | break; | |
2f563b51 DK |
908 | case OPTION_FORCE_INTEGRITY: |
909 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
910 | break; | |
514b4e19 JD |
911 | case OPTION_DISABLE_FORCE_INTEGRITY: |
912 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
913 | break; | |
2f563b51 DK |
914 | case OPTION_NX_COMPAT: |
915 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
916 | break; | |
514b4e19 JD |
917 | case OPTION_DISABLE_NX_COMPAT: |
918 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
919 | break; | |
2f563b51 DK |
920 | case OPTION_NO_ISOLATION: |
921 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
922 | break; | |
514b4e19 JD |
923 | case OPTION_DISABLE_NO_ISOLATION: |
924 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
925 | break; | |
2f563b51 DK |
926 | case OPTION_NO_SEH: |
927 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
928 | break; | |
514b4e19 JD |
929 | case OPTION_DISABLE_NO_SEH: |
930 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
931 | break; | |
2f563b51 DK |
932 | case OPTION_NO_BIND: |
933 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
934 | break; | |
514b4e19 JD |
935 | case OPTION_DISABLE_NO_BIND: |
936 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
937 | break; | |
2f563b51 DK |
938 | case OPTION_WDM_DRIVER: |
939 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
940 | break; | |
514b4e19 JD |
941 | case OPTION_DISABLE_WDM_DRIVER: |
942 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
943 | break; | |
2f563b51 DK |
944 | case OPTION_TERMINAL_SERVER_AWARE: |
945 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
946 | break; | |
514b4e19 JD |
947 | case OPTION_DISABLE_TERMINAL_SERVER_AWARE: |
948 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
949 | break; | |
61e2488c | 950 | case OPTION_BUILD_ID: |
5e2ab612 AM |
951 | free ((char *) emit_build_id); |
952 | emit_build_id = NULL; | |
61e2488c JT |
953 | if (optarg == NULL) |
954 | optarg = DEFAULT_BUILD_ID_STYLE; | |
955 | if (strcmp (optarg, "none")) | |
956 | emit_build_id = xstrdup (optarg); | |
957 | break; | |
252b5132 | 958 | } |
2f563b51 DK |
959 | |
960 | /* Set DLLCharacteristics bits */ | |
961 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
962 | ||
f38a2680 | 963 | return true; |
252b5132 RH |
964 | } |
965 | \f | |
5f577f7d | 966 | |
2ef53d66 | 967 | #ifdef DLL_SUPPORT |
3fc90ddb | 968 | static unsigned long |
5f577f7d DD |
969 | strhash (const char *str) |
970 | { | |
971 | const unsigned char *s; | |
972 | unsigned long hash; | |
973 | unsigned int c; | |
974 | unsigned int len; | |
975 | ||
976 | hash = 0; | |
977 | len = 0; | |
978 | s = (const unsigned char *) str; | |
979 | while ((c = *s++) != '\0') | |
980 | { | |
981 | hash += c + (c << 17); | |
982 | hash ^= hash >> 2; | |
983 | ++len; | |
984 | } | |
985 | hash += len + (len << 17); | |
986 | hash ^= hash >> 2; | |
987 | ||
988 | return hash; | |
989 | } | |
990 | ||
4cd89863 NC |
991 | /* Use the output file to create a image base for relocatable DLLs. */ |
992 | ||
5f577f7d DD |
993 | static unsigned long |
994 | compute_dll_image_base (const char *ofile) | |
995 | { | |
996 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 997 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 998 | } |
2ef53d66 | 999 | #endif |
5f577f7d | 1000 | |
252b5132 RH |
1001 | /* Assign values to the special symbols before the linker script is |
1002 | read. */ | |
1003 | ||
1004 | static void | |
0c7a8e5a | 1005 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
1006 | { |
1007 | /* Run through and invent symbols for all the | |
4cd89863 | 1008 | names and insert the defaults. */ |
d74720d2 | 1009 | int j; |
b804e4af | 1010 | |
d74720d2 | 1011 | is_underscoring (); |
252b5132 RH |
1012 | |
1013 | if (!init[IMAGEBASEOFF].inited) | |
1014 | { | |
0e1862bb | 1015 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 1016 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 1017 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 1018 | { |
2ef53d66 | 1019 | #ifdef DLL_SUPPORT |
d127ecce AM |
1020 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
1021 | ? compute_dll_image_base (output_filename) | |
1022 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 1023 | #else |
d127ecce | 1024 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 1025 | #endif |
d127ecce | 1026 | } |
252b5132 RH |
1027 | else |
1028 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 1029 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
1030 | } |
1031 | ||
1049f94e | 1032 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 1033 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
1034 | return; |
1035 | ||
4cd89863 | 1036 | /* Glue the assignments into the abs section. */ |
bde18da4 | 1037 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
1038 | |
1039 | for (j = 0; init[j].ptr; j++) | |
1040 | { | |
1041 | long val = init[j].value; | |
1042 | lang_assignment_statement_type *rv; | |
522f09cd | 1043 | |
2e57b2af | 1044 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
f38a2680 | 1045 | exp_intop (val), false)); |
939ba9d0 NC |
1046 | if (init[j].size == sizeof (short)) |
1047 | *(short *) init[j].ptr = val; | |
1048 | else if (init[j].size == sizeof (int)) | |
1049 | *(int *) init[j].ptr = val; | |
1050 | else if (init[j].size == sizeof (long)) | |
1051 | *(long *) init[j].ptr = val; | |
252b5132 | 1052 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
1053 | else if (init[j].size == sizeof (bfd_vma)) |
1054 | *(bfd_vma *) init[j].ptr = val; | |
1055 | else abort (); | |
252b5132 RH |
1056 | if (j == IMAGEBASEOFF) |
1057 | image_base_statement = rv; | |
1058 | } | |
4cd89863 | 1059 | /* Restore the pointer. */ |
bde18da4 | 1060 | pop_stat_ptr (); |
3fc90ddb | 1061 | |
d127ecce | 1062 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 | 1063 | { |
df5f2391 | 1064 | einfo (_("%P: warning, file alignment > section alignment\n")); |
252b5132 RH |
1065 | } |
1066 | } | |
1067 | ||
1068 | /* This is called after the linker script and the command line options | |
1069 | have been read. */ | |
1070 | ||
1071 | static void | |
0c7a8e5a | 1072 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1073 | { |
8b747e1a DK |
1074 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1075 | option hoping it will work on PE. */ | |
1076 | if (link_info.export_dynamic) | |
1077 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1078 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1079 | |
decfa41e KT |
1080 | set_entry_point (); |
1081 | ||
97b11f40 | 1082 | after_parse_default (); |
252b5132 RH |
1083 | } |
1084 | ||
2ef53d66 | 1085 | #ifdef DLL_SUPPORT |
252b5132 RH |
1086 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1087 | ||
f38a2680 | 1088 | static bool |
0c7a8e5a | 1089 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1090 | { |
decc3638 | 1091 | int sl; |
0c7a8e5a | 1092 | char *string = inf; |
8a9eab9b | 1093 | const char *hs = h->root.string; |
4cd89863 | 1094 | |
0c7a8e5a | 1095 | sl = strlen (string); |
252b5132 | 1096 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1097 | && ((*hs == '@' && *string == '_' |
1098 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1099 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1100 | && h->root.string[sl] == '@') |
decc3638 CW |
1101 | { |
1102 | pe_undef_found_sym = h; | |
f38a2680 | 1103 | return false; |
decc3638 | 1104 | } |
f38a2680 | 1105 | return true; |
252b5132 RH |
1106 | } |
1107 | ||
67f101ee NC |
1108 | /* Change UNDEF to a defined symbol, taking data from SYM. */ |
1109 | ||
1110 | static void | |
1111 | change_undef (struct bfd_link_hash_entry * undef, | |
1112 | struct bfd_link_hash_entry * sym) | |
1113 | { | |
f38a2680 | 1114 | static bool gave_warning_message = false; |
67f101ee NC |
1115 | |
1116 | undef->type = bfd_link_hash_defined; | |
1117 | undef->u.def.value = sym->u.def.value; | |
1118 | undef->u.def.section = sym->u.def.section; | |
1119 | ||
1120 | if (pe_enable_stdcall_fixup == -1) | |
1121 | { | |
df5f2391 | 1122 | einfo (_("%P: warning: resolving %s by linking to %s\n"), |
67f101ee NC |
1123 | undef->root.string, sym->root.string); |
1124 | ||
1125 | if (! gave_warning_message) | |
1126 | { | |
1127 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
1128 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
f38a2680 | 1129 | gave_warning_message = true; |
67f101ee NC |
1130 | } |
1131 | } | |
1132 | ||
1133 | /* PR 19803: Make sure that the linked symbol is not garbage collected. */ | |
1134 | lang_add_gc_name (sym->root.string); | |
1135 | } | |
1136 | ||
252b5132 | 1137 | static void |
0c7a8e5a | 1138 | pe_fixup_stdcalls (void) |
252b5132 | 1139 | { |
252b5132 | 1140 | struct bfd_link_hash_entry *undef, *sym; |
c9e38879 | 1141 | |
3fc90ddb | 1142 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1143 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1144 | |
f6e332e6 | 1145 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1146 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1147 | { |
67f101ee NC |
1148 | const char * name = undef->root.string; |
1149 | char * at; | |
1150 | int lead_at = (*name == '@'); | |
1151 | ||
8a9eab9b | 1152 | if (lead_at) |
67f101ee NC |
1153 | at = strchr (name + 1, '@'); |
1154 | else | |
1155 | at = strchr (name, '@'); | |
b34976b6 | 1156 | |
8a9eab9b | 1157 | if (at || lead_at) |
c9e38879 NC |
1158 | { |
1159 | /* The symbol is a stdcall symbol, so let's look for a | |
1160 | cdecl symbol with the same name and resolve to that. */ | |
67f101ee | 1161 | char *cname = xstrdup (name); |
8a9eab9b KT |
1162 | |
1163 | if (lead_at) | |
1164 | *cname = '_'; | |
6c19b93b | 1165 | if (at) |
67f101ee | 1166 | * strchr (cname, '@') = 0; |
f38a2680 | 1167 | sym = bfd_link_hash_lookup (link_info.hash, cname, false, false, true); |
c9e38879 NC |
1168 | |
1169 | if (sym && sym->type == bfd_link_hash_defined) | |
67f101ee | 1170 | change_undef (undef, sym); |
c9e38879 NC |
1171 | } |
1172 | else | |
1173 | { | |
1174 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1175 | symbols - which means scanning the whole symbol table. */ |
67f101ee | 1176 | pe_undef_found_sym = NULL; |
c9e38879 | 1177 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
67f101ee NC |
1178 | (char *) name); |
1179 | if (pe_undef_found_sym) | |
1180 | change_undef (undef, pe_undef_found_sym); | |
c9e38879 | 1181 | } |
252b5132 | 1182 | } |
252b5132 | 1183 | } |
decc3638 | 1184 | |
317ff008 EB |
1185 | static void |
1186 | make_import_fixup (arelent *rel, asection *s, char *name, const char *symname) | |
decc3638 | 1187 | { |
fc0a2244 | 1188 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1189 | char addend[4]; |
317ff008 | 1190 | bfd_vma _addend; |
decc3638 | 1191 | |
3fc90ddb | 1192 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1193 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1194 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1195 | |
c99b8138 | 1196 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
df5f2391 | 1197 | einfo (_("%P: %C: cannot get section contents - auto-import exception\n"), |
c9e38879 | 1198 | s->owner, s, rel->address); |
0d888aac | 1199 | |
317ff008 EB |
1200 | _addend = bfd_get_32 (s->owner, addend); |
1201 | pe_create_import_fixup (rel, s, _addend, name, symname); | |
decc3638 | 1202 | } |
252b5132 | 1203 | |
f38a2680 | 1204 | static bool |
0c7a8e5a | 1205 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1206 | { |
80cc85a9 | 1207 | printf ("+%s\n", h->string); |
c9e38879 | 1208 | |
f38a2680 | 1209 | return true; |
decc3638 | 1210 | } |
4b83d615 | 1211 | #endif /* DLL_SUPPORT */ |
decc3638 | 1212 | |
e4492aa0 | 1213 | static void |
3efd345c DK |
1214 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1215 | { | |
1216 | int *found = (int *) obj; | |
1217 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1218 | *found = 1; | |
1219 | } | |
decc3638 | 1220 | |
f38a2680 | 1221 | static bool |
61e2488c JT |
1222 | pecoff_checksum_contents (bfd *abfd, |
1223 | void (*process) (const void *, size_t, void *), | |
1224 | void *arg) | |
1225 | { | |
1226 | file_ptr filepos = (file_ptr) 0; | |
1227 | ||
1228 | while (1) | |
1229 | { | |
1230 | unsigned char b; | |
1231 | int status; | |
1232 | ||
1233 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1234 | return 0; | |
1235 | ||
1236 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1237 | if (status < 1) | |
6c19b93b AM |
1238 | { |
1239 | break; | |
1240 | } | |
61e2488c JT |
1241 | |
1242 | (*process) (&b, 1, arg); | |
1243 | filepos += 1; | |
1244 | } | |
1245 | ||
f38a2680 | 1246 | return true; |
61e2488c JT |
1247 | } |
1248 | ||
f38a2680 | 1249 | static bool |
61e2488c JT |
1250 | write_build_id (bfd *abfd) |
1251 | { | |
1252 | struct pe_tdata *t = pe_data (abfd); | |
1253 | asection *asec; | |
1254 | struct bfd_link_order *link_order = NULL; | |
1255 | unsigned char *contents; | |
1256 | bfd_size_type size; | |
1257 | bfd_size_type build_id_size; | |
1258 | unsigned char *build_id; | |
1259 | ||
74fffc39 | 1260 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1261 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1262 | { | |
1263 | struct bfd_link_order *l = NULL; | |
1264 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
6c19b93b AM |
1265 | { |
1266 | if (l->type == bfd_indirect_link_order) | |
1267 | { | |
1268 | if (l->u.indirect.section == t->build_id.sec) | |
1269 | { | |
1270 | link_order = l; | |
1271 | break; | |
1272 | } | |
1273 | } | |
1274 | } | |
61e2488c JT |
1275 | |
1276 | if (link_order) | |
6c19b93b | 1277 | break; |
61e2488c JT |
1278 | } |
1279 | ||
1280 | if (!link_order) | |
1281 | { | |
74fffc39 | 1282 | einfo (_("%P: warning: .buildid section discarded," |
df5f2391 | 1283 | " --build-id ignored\n")); |
f38a2680 | 1284 | return true; |
61e2488c JT |
1285 | } |
1286 | ||
1287 | if (t->build_id.sec->contents == NULL) | |
1288 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1289 | contents = t->build_id.sec->contents; | |
1290 | size = t->build_id.sec->size; | |
1291 | ||
1292 | build_id_size = compute_build_id_size (t->build_id.style); | |
1293 | build_id = xmalloc (build_id_size); | |
1294 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1295 | ||
1296 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1297 | ||
1298 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1299 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1300 | idd.Characteristics = 0; | |
1301 | idd.TimeDateStamp = 0; | |
1302 | idd.MajorVersion = 0; | |
1303 | idd.MinorVersion = 0; | |
1304 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1305 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1306 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1307 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1308 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1309 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1310 | ||
1311 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1312 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1313 | ||
1314 | /* Write the debug directory entry. */ | |
1315 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1316 | return 0; | |
1317 | ||
b6518b38 | 1318 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1319 | return 0; |
1320 | ||
1321 | /* Construct the CodeView record. */ | |
1322 | CODEVIEW_INFO cvinfo; | |
1323 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1324 | cvinfo.Age = 1; | |
1325 | ||
1326 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1327 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1328 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1329 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1330 | ||
1331 | free (build_id); | |
1332 | ||
1333 | /* Write the codeview record. */ | |
1334 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1335 | return 0; | |
1336 | ||
1337 | /* Record the location of the debug directory in the data directory. */ | |
1338 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1339 | = asec->vma - ib + link_order->offset; | |
1340 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1341 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1342 | ||
f38a2680 | 1343 | return true; |
61e2488c JT |
1344 | } |
1345 | ||
74fffc39 | 1346 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
f38a2680 | 1347 | static bool |
61e2488c JT |
1348 | setup_build_id (bfd *ibfd) |
1349 | { | |
1350 | asection *s; | |
1351 | flagword flags; | |
1352 | ||
1353 | if (!validate_build_id_style (emit_build_id)) | |
1354 | { | |
df5f2391 | 1355 | einfo (_("%P: warning: unrecognized --build-id style ignored\n")); |
f38a2680 | 1356 | return false; |
61e2488c JT |
1357 | } |
1358 | ||
1359 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1360 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1361 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1362 | if (s != NULL) |
1363 | { | |
1364 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1365 | t->build_id.after_write_object_contents = &write_build_id; | |
1366 | t->build_id.style = emit_build_id; | |
1367 | t->build_id.sec = s; | |
1368 | ||
1369 | /* Section is a fixed size: | |
1370 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1371 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1372 | null byte for PdbFileName. */ | |
1373 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1374 | + sizeof (CV_INFO_PDB70) + 1; | |
1375 | ||
f38a2680 | 1376 | return true; |
61e2488c JT |
1377 | } |
1378 | ||
df5f2391 AM |
1379 | einfo (_("%P: warning: cannot create .buildid section," |
1380 | " --build-id ignored\n")); | |
f38a2680 | 1381 | return false; |
61e2488c JT |
1382 | } |
1383 | ||
252b5132 | 1384 | static void |
0c7a8e5a | 1385 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1386 | { |
5c3049d2 AM |
1387 | after_open_default (); |
1388 | ||
4b83d615 | 1389 | #ifdef DLL_SUPPORT |
3fc90ddb | 1390 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1391 | { |
1392 | bfd *a; | |
1393 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1394 | |
decc3638 CW |
1395 | printf ("%s()\n", __FUNCTION__); |
1396 | ||
f6e332e6 | 1397 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1398 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1399 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1400 | |
c72f2fb2 | 1401 | for (a = link_info.input_bfds; a; a = a->link.next) |
607b4833 | 1402 | printf ("*%s\n", bfd_get_filename (a)); |
decc3638 | 1403 | } |
4b83d615 | 1404 | #endif |
3fc90ddb | 1405 | |
61e2488c JT |
1406 | if (emit_build_id != NULL) |
1407 | { | |
1408 | bfd *abfd; | |
1409 | ||
1410 | /* Find a COFF input. */ | |
1411 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1412 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1413 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1414 | break; | |
1415 | ||
1416 | /* If there are no COFF input files do not try to | |
1417 | add a build-id section. */ | |
1418 | if (abfd == NULL | |
1419 | || !setup_build_id (abfd)) | |
1420 | { | |
1421 | free ((char *) emit_build_id); | |
1422 | emit_build_id = NULL; | |
1423 | } | |
1424 | } | |
1425 | ||
252b5132 RH |
1426 | /* Pass the wacky PE command line options into the output bfd. |
1427 | FIXME: This should be done via a function, rather than by | |
1428 | including an internal BFD header. */ | |
3fc90ddb | 1429 | |
eabf307f AM |
1430 | if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour |
1431 | || coff_data (link_info.output_bfd) == NULL | |
f13a99db | 1432 | || coff_data (link_info.output_bfd)->pe == 0) |
df5f2391 | 1433 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"), |
f13a99db | 1434 | link_info.output_bfd); |
252b5132 | 1435 | |
f13a99db AM |
1436 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1437 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1438 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
00386881 NC |
1439 | if (insert_timestamp) |
1440 | pe_data (link_info.output_bfd)->timestamp = -1; | |
1441 | else | |
1442 | pe_data (link_info.output_bfd)->timestamp = 0; | |
3efd345c DK |
1443 | |
1444 | /* At this point we must decide whether to use long section names | |
1445 | in the output or not. If the user hasn't explicitly specified | |
1446 | on the command line, we leave it to the default for the format | |
1447 | (object files yes, image files no), except if there is debug | |
1448 | information present; GDB relies on the long section names to | |
1449 | find it, so enable it in that case. */ | |
1450 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1451 | { | |
0e1862bb | 1452 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1453 | pe_use_coff_long_section_names = 1; |
1454 | else | |
3efd345c | 1455 | { |
61e2488c JT |
1456 | /* Iterate over all sections of all input BFDs, checking |
1457 | for any that begin 'debug_' and are long names. */ | |
1458 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1459 | { | |
1460 | int found_debug = 0; | |
1461 | ||
1462 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1463 | if (found_debug) | |
1464 | { | |
1465 | pe_use_coff_long_section_names = 1; | |
1466 | break; | |
1467 | } | |
1468 | } | |
3efd345c DK |
1469 | } |
1470 | } | |
1471 | ||
88183869 | 1472 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1473 | |
c6c37250 | 1474 | #ifdef DLL_SUPPORT |
f13a99db | 1475 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1476 | |
317ff008 EB |
1477 | if (link_info.pei386_auto_import) /* -1=warn or 1=enable */ |
1478 | pe_find_data_imports (U ("_head_"), make_import_fixup); | |
decc3638 | 1479 | |
317ff008 EB |
1480 | /* The implementation of the feature is rather dumb and would cause the |
1481 | compilation time to go through the roof if there are many undefined | |
1482 | symbols in the link, so it needs to be run after auto-import. */ | |
1483 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */ | |
8a9eab9b KT |
1484 | pe_fixup_stdcalls (); |
1485 | ||
7148cc28 NC |
1486 | #if defined (TARGET_IS_i386pe) \ |
1487 | || defined (TARGET_IS_armpe) \ | |
7148cc28 | 1488 | || defined (TARGET_IS_arm_wince_pe) |
0e1862bb | 1489 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1490 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1491 | #else |
0e1862bb | 1492 | if (bfd_link_pic (&link_info)) |
f13a99db | 1493 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1494 | else |
1495 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1496 | #endif |
7148cc28 | 1497 | #endif /* DLL_SUPPORT */ |
252b5132 | 1498 | |
ddb00039 | 1499 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1500 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1501 | { |
1502 | /* The arm backend needs special fields in the output hash structure. | |
1503 | These will only be created if the output format is an arm format, | |
1504 | hence we do not support linking and changing output formats at the | |
1505 | same time. Use a link followed by objcopy to change output formats. */ | |
df5f2391 AM |
1506 | einfo (_("%F%P: error: cannot change output format " |
1507 | "whilst linking %s binaries\n"), "ARM"); | |
f11523b0 NC |
1508 | return; |
1509 | } | |
252b5132 RH |
1510 | { |
1511 | /* Find a BFD that can hold the interworking stubs. */ | |
1512 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1513 | { | |
7148cc28 | 1514 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1515 | break; |
1516 | } | |
1517 | } | |
1518 | #endif | |
c6c37250 | 1519 | |
486e80e2 | 1520 | { |
486e80e2 DD |
1521 | /* This next chunk of code tries to detect the case where you have |
1522 | two import libraries for the same DLL (specifically, | |
1523 | symbolically linking libm.a and libc.a in cygwin to | |
1524 | libcygwin.a). In those cases, it's possible for function | |
1525 | thunks from the second implib to be used but without the | |
1526 | head/tail objects, causing an improper import table. We detect | |
1527 | those cases and rename the "other" import libraries to match | |
1528 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1529 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1530 | |
1531 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1532 | { | |
1533 | if (is->the_bfd->my_archive) | |
1534 | { | |
1535 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1536 | asection *sec; | |
3fc90ddb | 1537 | |
6e45556a | 1538 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1539 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1540 | { | |
1541 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1542 | idata2 = 1; | |
08dedd66 | 1543 | if (startswith (sec->name, ".idata\$")) |
486e80e2 DD |
1544 | is_imp = 1; |
1545 | reloc_count += sec->reloc_count; | |
1546 | } | |
3fc90ddb | 1547 | |
486e80e2 DD |
1548 | if (is_imp && !idata2 && reloc_count) |
1549 | { | |
6e45556a NC |
1550 | /* It is, look for the reference to head and see if it's |
1551 | from our own library. */ | |
486e80e2 DD |
1552 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1553 | { | |
1554 | int i; | |
6e45556a | 1555 | long relsize; |
102c86f8 | 1556 | asymbol **symbols; |
102c86f8 NC |
1557 | arelent **relocs; |
1558 | int nrelocs; | |
3fc90ddb | 1559 | |
102c86f8 | 1560 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1561 | if (relsize < 1) |
1562 | break; | |
3fc90ddb | 1563 | |
5c1d2f5f | 1564 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1565 | { |
df5f2391 | 1566 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f | 1567 | is->the_bfd); |
6e45556a NC |
1568 | return; |
1569 | } | |
5c1d2f5f | 1570 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1571 | |
d127ecce | 1572 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1573 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1574 | relocs, symbols); |
6e45556a NC |
1575 | if (nrelocs < 0) |
1576 | { | |
1577 | free (relocs); | |
d003af55 | 1578 | einfo (_("%X%P: unable to process relocs: %E\n")); |
6e45556a NC |
1579 | return; |
1580 | } | |
3fc90ddb | 1581 | |
6e45556a | 1582 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1583 | { |
fc0a2244 | 1584 | struct bfd_symbol *s; |
6e45556a | 1585 | struct bfd_link_hash_entry * blhe; |
b16c44de | 1586 | const char *other_bfd_filename; |
3fc90ddb | 1587 | |
486e80e2 | 1588 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1589 | |
6e45556a NC |
1590 | if (s->flags & BSF_LOCAL) |
1591 | continue; | |
3fc90ddb | 1592 | |
6e45556a NC |
1593 | /* Thunk section with reloc to another bfd. */ |
1594 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1595 | s->name, | |
f38a2680 | 1596 | false, false, true); |
3fc90ddb | 1597 | |
6e45556a NC |
1598 | if (blhe == NULL |
1599 | || blhe->type != bfd_link_hash_defined) | |
1600 | continue; | |
3fc90ddb | 1601 | |
2a08daf3 DS |
1602 | other_bfd_filename |
1603 | = blhe->u.def.section->owner->my_archive | |
1604 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1605 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1606 | |
42627821 KT |
1607 | if (filename_cmp (bfd_get_filename |
1608 | (is->the_bfd->my_archive), | |
1609 | other_bfd_filename) == 0) | |
6e45556a | 1610 | continue; |
3fc90ddb | 1611 | |
c034e3e0 | 1612 | /* Rename this implib to match the other one. */ |
7b958a48 AM |
1613 | if (!bfd_set_filename (is->the_bfd->my_archive, |
1614 | other_bfd_filename)) | |
1615 | einfo ("%F%P: %pB: %E\n", is->the_bfd); | |
486e80e2 DD |
1616 | } |
1617 | ||
1618 | free (relocs); | |
6e45556a NC |
1619 | /* Note - we do not free the symbols, |
1620 | they are now cached in the BFD. */ | |
486e80e2 DD |
1621 | } |
1622 | } | |
1623 | } | |
1624 | } | |
1625 | } | |
1626 | ||
c6c37250 | 1627 | { |
f0c87f88 | 1628 | int is_ms_arch = 0; |
1069dd8d | 1629 | bfd *cur_arch = 0; |
c6c37250 | 1630 | lang_input_statement_type *is2; |
44dbf363 | 1631 | lang_input_statement_type *is3; |
1069dd8d | 1632 | |
c6c37250 DD |
1633 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1634 | /* Microsoft import libraries have every member named the same, | |
1635 | and not in the right order for us to link them correctly. We | |
1636 | must detect these and rename the members so that they'll link | |
1637 | correctly. There are three types of objects: the head, the | |
1638 | thunks, and the sentinel(s). The head is easy; it's the one | |
1639 | with idata2. We assume that the sentinels won't have relocs, | |
1640 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1641 | table for external references. */ |
c6c37250 DD |
1642 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1643 | { | |
1644 | if (is->the_bfd->my_archive) | |
1645 | { | |
44dbf363 | 1646 | char *pnt; |
c6c37250 | 1647 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1648 | |
c6c37250 DD |
1649 | if (cur_arch != arch) |
1650 | { | |
1651 | cur_arch = arch; | |
1652 | is_ms_arch = 1; | |
44dbf363 NC |
1653 | |
1654 | for (is3 = is; | |
1655 | is3 && is3->the_bfd->my_archive == arch; | |
1656 | is3 = (lang_input_statement_type *) is3->next) | |
1657 | { | |
1af699f4 | 1658 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1659 | members, so look for the first element with a .dll |
1660 | extension, and use that for the remainder of the | |
1661 | comparisons. */ | |
607b4833 | 1662 | pnt = strrchr (bfd_get_filename (is3->the_bfd), '.'); |
42627821 | 1663 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1664 | break; |
44dbf363 NC |
1665 | } |
1666 | ||
1667 | if (is3 == NULL) | |
1668 | is_ms_arch = 0; | |
1669 | else | |
c6c37250 | 1670 | { |
44dbf363 NC |
1671 | /* OK, found one. Now look to see if the remaining |
1672 | (dynamic import) members use the same name. */ | |
1673 | for (is2 = is; | |
1674 | is2 && is2->the_bfd->my_archive == arch; | |
1675 | is2 = (lang_input_statement_type *) is2->next) | |
1676 | { | |
1677 | /* Skip static members, ie anything with a .obj | |
1678 | extension. */ | |
607b4833 | 1679 | pnt = strrchr (bfd_get_filename (is2->the_bfd), '.'); |
42627821 | 1680 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1681 | continue; |
1682 | ||
607b4833 AM |
1683 | if (filename_cmp (bfd_get_filename (is3->the_bfd), |
1684 | bfd_get_filename (is2->the_bfd))) | |
44dbf363 NC |
1685 | { |
1686 | is_ms_arch = 0; | |
1687 | break; | |
1688 | } | |
1689 | } | |
c6c37250 DD |
1690 | } |
1691 | } | |
1692 | ||
44dbf363 NC |
1693 | /* This fragment might have come from an .obj file in a Microsoft |
1694 | import, and not an actual import record. If this is the case, | |
1695 | then leave the filename alone. */ | |
607b4833 | 1696 | pnt = strrchr (bfd_get_filename (is->the_bfd), '.'); |
44dbf363 | 1697 | |
42627821 | 1698 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1699 | { |
1069dd8d | 1700 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1701 | asection *sec; |
1702 | char *new_name, seq; | |
1069dd8d | 1703 | |
c6c37250 DD |
1704 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1705 | { | |
1706 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1707 | idata2 = 1; | |
1708 | reloc_count += sec->reloc_count; | |
1709 | } | |
1710 | ||
1711 | if (idata2) /* .idata2 is the TOC */ | |
1712 | seq = 'a'; | |
1713 | else if (reloc_count > 0) /* thunks */ | |
1714 | seq = 'b'; | |
1715 | else /* sentinel */ | |
1716 | seq = 'c'; | |
1717 | ||
7b958a48 AM |
1718 | new_name |
1719 | = xmalloc (strlen (bfd_get_filename (is->the_bfd)) + 3); | |
1720 | sprintf (new_name, "%s.%c", | |
1721 | bfd_get_filename (is->the_bfd), seq); | |
1722 | is->filename = bfd_set_filename (is->the_bfd, new_name); | |
1723 | free (new_name); | |
1724 | if (!is->filename) | |
1725 | einfo ("%F%P: %pB: %E\n", is->the_bfd); | |
c6c37250 DD |
1726 | } |
1727 | } | |
1728 | } | |
1729 | } | |
54727719 NC |
1730 | |
1731 | { | |
1732 | /* The following chunk of code tries to identify jump stubs in | |
1733 | import libraries which are dead code and eliminates them | |
1734 | from the final link. For each exported symbol <sym>, there | |
1735 | is a object file in the import library with a .text section | |
d34c1c51 | 1736 | and several .idata\$* sections. The .text section contains the |
54727719 | 1737 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1738 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1739 | for __imp_<sym> which is the address of the slot for <sym> in |
1740 | the import address table. When a symbol is imported explicitly | |
1741 | using __declspec(dllimport) declaration, the compiler generates | |
1742 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1743 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1744 | needed. The following code tries to identify jump stub sections |
1745 | in import libraries which are not referred to by anyone and | |
1746 | marks them for exclusion from the final link. */ | |
1747 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1748 | { | |
1749 | if (is->the_bfd->my_archive) | |
1750 | { | |
1751 | int is_imp = 0; | |
1752 | asection *sec, *stub_sec = NULL; | |
1753 | ||
1754 | /* See if this is an import library thunk. */ | |
1755 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1756 | { | |
1757 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1758 | is_imp = 1; | |
1759 | /* The section containing the jmp stub has code | |
1760 | and has a reloc. */ | |
1761 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1762 | stub_sec = sec; | |
1763 | } | |
92b93329 | 1764 | |
54727719 NC |
1765 | if (is_imp && stub_sec) |
1766 | { | |
54727719 | 1767 | asymbol **symbols; |
5c1d2f5f | 1768 | long nsyms, src_count; |
54727719 NC |
1769 | struct bfd_link_hash_entry * blhe; |
1770 | ||
5c1d2f5f AM |
1771 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1772 | { | |
df5f2391 | 1773 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f AM |
1774 | is->the_bfd); |
1775 | return; | |
1776 | } | |
1777 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1778 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1779 | |
5c1d2f5f | 1780 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1781 | { |
1782 | if (symbols[src_count]->section->id == stub_sec->id) | |
1783 | { | |
1784 | /* This symbol belongs to the section containing | |
1785 | the stub. */ | |
1786 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1787 | symbols[src_count]->name, | |
f38a2680 | 1788 | false, false, true); |
54727719 NC |
1789 | /* If the symbol in the stub section has no other |
1790 | undefined references, exclude the stub section | |
1791 | from the final link. */ | |
e0605dbe AM |
1792 | if (blhe != NULL |
1793 | && blhe->type == bfd_link_hash_defined | |
1794 | && blhe->u.undef.next == NULL | |
1795 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1796 | stub_sec->flags |= SEC_EXCLUDE; |
1797 | } | |
1798 | } | |
54727719 NC |
1799 | } |
1800 | } | |
1801 | } | |
1802 | } | |
252b5132 RH |
1803 | } |
1804 | \f | |
3fc90ddb | 1805 | static void |
0c7a8e5a | 1806 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 | 1807 | { |
ddb00039 | 1808 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1809 | /* FIXME: we should be able to set the size of the interworking stub |
1810 | section. | |
1811 | ||
1812 | Here we rummage through the found bfds to collect glue | |
1813 | information. FIXME: should this be based on a command line | |
c9e38879 | 1814 | option? krk@cygnus.com. */ |
252b5132 RH |
1815 | { |
1816 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1817 | { | |
7148cc28 | 1818 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1819 | (is->the_bfd, & link_info, support_old_code)) |
1820 | { | |
1821 | /* xgettext:c-format */ | |
df5f2391 | 1822 | einfo (_("%P: errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1823 | is->filename); |
1824 | } | |
1825 | } | |
1826 | } | |
1827 | ||
c9e38879 | 1828 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 | 1829 | bfd_arm_allocate_interworking_sections (& link_info); |
ddb00039 | 1830 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */ |
8423293d | 1831 | |
1e035701 | 1832 | before_allocation_default (); |
252b5132 RH |
1833 | } |
1834 | \f | |
690a460e | 1835 | #ifdef DLL_SUPPORT |
252b5132 | 1836 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1837 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1838 | |
252b5132 | 1839 | static int |
0c7a8e5a | 1840 | saw_option (char *option) |
252b5132 RH |
1841 | { |
1842 | int i; | |
c9e38879 NC |
1843 | |
1844 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1845 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1846 | return init[i].inited; |
1847 | return 0; | |
1848 | } | |
690a460e | 1849 | #endif /* DLL_SUPPORT */ |
252b5132 | 1850 | |
f38a2680 | 1851 | static bool |
0c7a8e5a | 1852 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1853 | { |
c6c37250 | 1854 | #ifdef DLL_SUPPORT |
252b5132 RH |
1855 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1856 | ||
42627821 | 1857 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1858 | { |
f2d3750d | 1859 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1860 | |
1861 | if (pe_def_file) | |
252b5132 | 1862 | { |
c9e38879 NC |
1863 | int i, buflen=0, len; |
1864 | char *buf; | |
252b5132 | 1865 | |
c9e38879 | 1866 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1867 | { |
939ba9d0 | 1868 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1869 | if (buflen < len + 2) |
1870 | buflen = len + 2; | |
252b5132 | 1871 | } |
252b5132 | 1872 | |
d127ecce | 1873 | buf = xmalloc (buflen); |
252b5132 | 1874 | |
c9e38879 NC |
1875 | for (i = 0; i < pe_def_file->num_exports; i++) |
1876 | { | |
1877 | struct bfd_link_hash_entry *h; | |
1878 | ||
522f09cd | 1879 | sprintf (buf, "%s%s", U (""), |
6c19b93b | 1880 | pe_def_file->exports[i].internal_name); |
c9e38879 | 1881 | |
f38a2680 | 1882 | h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true); |
c9e38879 | 1883 | if (h == (struct bfd_link_hash_entry *) NULL) |
df5f2391 | 1884 | einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n")); |
c9e38879 NC |
1885 | if (h->type == bfd_link_hash_new) |
1886 | { | |
1887 | h->type = bfd_link_hash_undefined; | |
1888 | h->u.undef.abfd = NULL; | |
1889 | bfd_link_add_undef (link_info.hash, h); | |
1890 | } | |
1891 | } | |
1892 | free (buf); | |
1893 | ||
1894 | /* def_file_print (stdout, pe_def_file); */ | |
1895 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1896 | link_info.type = type_dll; |
c9e38879 NC |
1897 | |
1898 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1899 | { | |
f13a99db AM |
1900 | pe.ImageBase |
1901 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1902 | = init[IMAGEBASEOFF].value | |
1903 | = pe_def_file->base_address; | |
c9e38879 NC |
1904 | init[IMAGEBASEOFF].inited = 1; |
1905 | if (image_base_statement) | |
eb8476a6 MR |
1906 | image_base_statement->exp |
1907 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
f38a2680 | 1908 | false); |
c9e38879 | 1909 | } |
252b5132 | 1910 | |
c9e38879 NC |
1911 | if (pe_def_file->stack_reserve != -1 |
1912 | && ! saw_option ("__size_of_stack_reserve__")) | |
1913 | { | |
1914 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1915 | if (pe_def_file->stack_commit != -1) | |
1916 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1917 | } | |
1918 | if (pe_def_file->heap_reserve != -1 | |
1919 | && ! saw_option ("__size_of_heap_reserve__")) | |
1920 | { | |
1921 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1922 | if (pe_def_file->heap_commit != -1) | |
1923 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1924 | } | |
f38a2680 | 1925 | return true; |
c9e38879 | 1926 | } |
252b5132 | 1927 | } |
252b5132 | 1928 | #endif |
f38a2680 | 1929 | return false; |
252b5132 RH |
1930 | } |
1931 | ||
f38a2680 | 1932 | static bool |
0c7a8e5a | 1933 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1934 | { |
c6c37250 | 1935 | #ifdef DLL_SUPPORT |
252b5132 | 1936 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1937 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1938 | #endif |
1939 | #ifdef TARGET_IS_shpe | |
1940 | pe_dll_id_target ("pei-shl"); | |
1941 | #endif | |
344a211f NC |
1942 | #ifdef TARGET_IS_armpe |
1943 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 | 1944 | #endif |
7148cc28 NC |
1945 | #ifdef TARGET_IS_arm_wince_pe |
1946 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1947 | #endif |
ff2bdb9c CF |
1948 | if (pe_bfd_is_dll (entry->the_bfd)) |
1949 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1950 | #endif |
f38a2680 | 1951 | return false; |
252b5132 RH |
1952 | } |
1953 | ||
1954 | static void | |
0c7a8e5a | 1955 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1956 | { |
ddb00039 | 1957 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1958 | struct bfd_link_hash_entry * h; |
1959 | ||
1960 | if (thumb_entry_symbol != NULL) | |
1961 | { | |
b34976b6 | 1962 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
f38a2680 | 1963 | false, false, true); |
3fc90ddb | 1964 | |
6f798e5c NC |
1965 | if (h != (struct bfd_link_hash_entry *) NULL |
1966 | && (h->type == bfd_link_hash_defined | |
1967 | || h->type == bfd_link_hash_defweak) | |
1968 | && h->u.def.section->output_section != NULL) | |
1969 | { | |
1970 | static char buffer[32]; | |
1971 | bfd_vma val; | |
3fc90ddb | 1972 | |
6f798e5c NC |
1973 | /* Special procesing is required for a Thumb entry symbol. The |
1974 | bottom bit of its address must be set. */ | |
1975 | val = (h->u.def.value | |
fd361982 | 1976 | + bfd_section_vma (h->u.def.section->output_section) |
6f798e5c | 1977 | + h->u.def.section->output_offset); |
3fc90ddb | 1978 | |
6f798e5c | 1979 | val |= 1; |
3fc90ddb | 1980 | |
6f798e5c NC |
1981 | /* Now convert this value into a string and store it in entry_symbol |
1982 | where the lang_finish() function will pick it up. */ | |
1983 | buffer[0] = '0'; | |
1984 | buffer[1] = 'x'; | |
3fc90ddb | 1985 | |
6f798e5c | 1986 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1987 | |
e3e942e9 | 1988 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1989 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1990 | thumb_entry_symbol, entry_symbol.name); |
1991 | entry_symbol.name = buffer; | |
6f798e5c NC |
1992 | } |
1993 | else | |
c58dea77 | 1994 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1995 | } |
ddb00039 | 1996 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1997 | |
1e035701 AM |
1998 | finish_default (); |
1999 | ||
c6c37250 | 2000 | #ifdef DLL_SUPPORT |
0e1862bb | 2001 | if (bfd_link_pic (&link_info) |
e8044f35 | 2002 | #if !defined(TARGET_IS_shpe) |
dc9bd8c9 | 2003 | || pe_dll_enable_reloc_section |
0e1862bb L |
2004 | || (!bfd_link_relocatable (&link_info) |
2005 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
2006 | #endif |
2007 | ) | |
252b5132 | 2008 | { |
f13a99db | 2009 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
9cdc5bac | 2010 | if (command_line.out_implib_filename |
51dee44b JD |
2011 | && (pe_def_file->num_exports != 0 |
2012 | || bfd_link_pic (&link_info))) | |
76359541 TP |
2013 | pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename, |
2014 | &link_info); | |
252b5132 | 2015 | } |
e8044f35 | 2016 | #if defined(TARGET_IS_shpe) |
690a460e | 2017 | /* ARM doesn't need relocs. */ |
344a211f NC |
2018 | else |
2019 | { | |
f13a99db | 2020 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
2021 | } |
2022 | #endif | |
3fc90ddb | 2023 | |
252b5132 RH |
2024 | if (pe_out_def_filename) |
2025 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 2026 | #endif /* DLL_SUPPORT */ |
decc3638 | 2027 | |
c9e38879 | 2028 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 2029 | { |
f13a99db | 2030 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 2031 | |
decc3638 CW |
2032 | if (asec) |
2033 | { | |
1af699f4 AM |
2034 | asec->flags &= ~SEC_CODE; |
2035 | asec->flags |= SEC_DATA; | |
decc3638 CW |
2036 | } |
2037 | } | |
252b5132 RH |
2038 | } |
2039 | ||
2040 | \f | |
2041 | /* Place an orphan section. | |
2042 | ||
2043 | We use this to put sections in a reasonable place in the file, and | |
2044 | to ensure that they are aligned as required. | |
2045 | ||
d34c1c51 | 2046 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
2047 | goes into the output section .foo. All grouped sections are sorted |
2048 | by name. | |
2049 | ||
2050 | Grouped sections for the default sections are handled by the | |
2051 | default linker script using wildcards, and are sorted by | |
2052 | sort_sections. */ | |
2053 | ||
c2edb4b8 | 2054 | static lang_output_section_statement_type * |
8a99a385 AM |
2055 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2056 | const char *secname, | |
2057 | int constraint) | |
252b5132 | 2058 | { |
bcacc0f5 | 2059 | const char *orig_secname = secname; |
f0c87f88 | 2060 | char *dollar = NULL; |
aea4bd9d | 2061 | lang_output_section_statement_type *os; |
5ba47421 | 2062 | lang_statement_list_type add_child; |
b5f14a6d | 2063 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2064 | lang_statement_union_type **pl; |
252b5132 | 2065 | |
252b5132 | 2066 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2067 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2068 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2069 | { |
bcacc0f5 | 2070 | size_t len = dollar - secname; |
afd7a018 | 2071 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2072 | memcpy (newname, secname, len); |
afd7a018 AM |
2073 | newname[len] = '\0'; |
2074 | secname = newname; | |
6eec49fc | 2075 | } |
252b5132 | 2076 | |
5ba47421 AM |
2077 | lang_list_init (&add_child); |
2078 | ||
d127ecce AM |
2079 | os = NULL; |
2080 | if (constraint == 0) | |
2081 | for (os = lang_output_section_find (secname); | |
2082 | os != NULL; | |
2083 | os = next_matching_output_section_statement (os, 0)) | |
2084 | { | |
2085 | /* If we don't match an existing output section, tell | |
2086 | lang_insert_orphan to create a new output section. */ | |
2087 | constraint = SPECIAL; | |
2088 | ||
2089 | if (os->bfd_section != NULL | |
2090 | && (os->bfd_section->flags == 0 | |
2091 | || ((s->flags ^ os->bfd_section->flags) | |
2092 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2093 | { | |
2094 | /* We already have an output section statement with this | |
2095 | name, and its bfd section has compatible flags. | |
2096 | If the section already exists but does not have any flags set, | |
2097 | then it has been created by the linker, probably as a result of | |
2098 | a --section-start command line switch. */ | |
b209b5a6 | 2099 | lang_add_section (&add_child, s, NULL, NULL, os); |
d127ecce AM |
2100 | break; |
2101 | } | |
b5f14a6d DD |
2102 | |
2103 | /* Save unused output sections in case we can match them | |
2104 | against orphans later. */ | |
2105 | if (os->bfd_section == NULL) | |
2106 | match_by_name = os; | |
d127ecce AM |
2107 | } |
2108 | ||
b5f14a6d DD |
2109 | /* If we didn't match an active output section, see if we matched an |
2110 | unused one and use that. */ | |
2111 | if (os == NULL && match_by_name) | |
2112 | { | |
b209b5a6 | 2113 | lang_add_section (&match_by_name->children, s, NULL, NULL, match_by_name); |
b5f14a6d DD |
2114 | return match_by_name; |
2115 | } | |
2116 | ||
d127ecce | 2117 | if (os == NULL) |
252b5132 | 2118 | { |
afd7a018 AM |
2119 | static struct orphan_save hold[] = |
2120 | { | |
2121 | { ".text", | |
2122 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2123 | 0, 0, 0, 0 }, | |
d4874973 KT |
2124 | { ".idata", |
2125 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2126 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2127 | { ".rdata", |
2128 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2129 | 0, 0, 0, 0 }, | |
2130 | { ".data", | |
2131 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2132 | 0, 0, 0, 0 }, | |
2133 | { ".bss", | |
2134 | SEC_ALLOC, | |
2135 | 0, 0, 0, 0 } | |
2136 | }; | |
2137 | enum orphan_save_index | |
2138 | { | |
2139 | orphan_text = 0, | |
d4874973 | 2140 | orphan_idata, |
afd7a018 AM |
2141 | orphan_rodata, |
2142 | orphan_data, | |
2143 | orphan_bss | |
2144 | }; | |
2145 | static int orphan_init_done = 0; | |
6a345e87 | 2146 | struct orphan_save *place; |
afd7a018 | 2147 | lang_output_section_statement_type *after; |
252b5132 | 2148 | etree_type *address; |
93638471 AM |
2149 | flagword flags; |
2150 | asection *nexts; | |
afd7a018 AM |
2151 | |
2152 | if (!orphan_init_done) | |
2153 | { | |
2154 | struct orphan_save *ho; | |
2155 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2156 | if (ho->name != NULL) | |
2157 | { | |
2158 | ho->os = lang_output_section_find (ho->name); | |
2159 | if (ho->os != NULL && ho->os->flags == 0) | |
2160 | ho->os->flags = ho->flags; | |
2161 | } | |
2162 | orphan_init_done = 1; | |
2163 | } | |
252b5132 | 2164 | |
523f4c92 L |
2165 | flags = s->flags; |
2166 | if (!bfd_link_relocatable (&link_info)) | |
2167 | { | |
2168 | nexts = s; | |
2169 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, | |
2170 | nexts))) | |
2171 | if (nexts->output_section == NULL | |
2172 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2173 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2174 | && (nexts->owner->flags & DYNAMIC) == 0 | |
00f93c44 | 2175 | && !bfd_input_just_syms (nexts->owner)) |
523f4c92 L |
2176 | flags = (((flags ^ SEC_READONLY) |
2177 | | (nexts->flags ^ SEC_READONLY)) | |
2178 | ^ SEC_READONLY); | |
2179 | } | |
2180 | ||
252b5132 RH |
2181 | /* Try to put the new output section in a reasonable place based |
2182 | on the section name and section flags. */ | |
aea4bd9d | 2183 | |
252b5132 | 2184 | place = NULL; |
93638471 | 2185 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2186 | ; |
93638471 | 2187 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2188 | place = &hold[orphan_bss]; |
93638471 | 2189 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2190 | place = &hold[orphan_data]; |
93638471 | 2191 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2192 | { |
2193 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2194 | : &hold[orphan_rodata]); | |
2195 | } | |
1af699f4 | 2196 | else |
afd7a018 | 2197 | place = &hold[orphan_text]; |
1af699f4 | 2198 | |
afd7a018 | 2199 | after = NULL; |
1af699f4 AM |
2200 | if (place != NULL) |
2201 | { | |
afd7a018 AM |
2202 | if (place->os == NULL) |
2203 | place->os = lang_output_section_find (place->name); | |
2204 | after = place->os; | |
2205 | if (after == NULL) | |
93638471 AM |
2206 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2207 | NULL); | |
afd7a018 AM |
2208 | if (after == NULL) |
2209 | /* *ABS* is always the first output section statement. */ | |
8ce18f9c | 2210 | after = (void *) lang_os_list.head; |
252b5132 RH |
2211 | } |
2212 | ||
4bf0cafb DK |
2213 | /* All sections in an executable must be aligned to a page boundary. |
2214 | In a relocatable link, just preserve the incoming alignment; the | |
2215 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2216 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2217 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2218 | &add_child); | |
0e1862bb | 2219 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb | 2220 | { |
3d9c8f6b | 2221 | os->section_alignment = exp_intop (1U << s->alignment_power); |
4bf0cafb DK |
2222 | os->bfd_section->alignment_power = s->alignment_power; |
2223 | } | |
252b5132 RH |
2224 | } |
2225 | ||
011aa75f AM |
2226 | /* If the section name has a '\$', sort it with the other '\$' |
2227 | sections. */ | |
2228 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2229 | { | |
2230 | lang_input_section_type *ls; | |
2231 | const char *lname; | |
252b5132 | 2232 | |
011aa75f AM |
2233 | if ((*pl)->header.type != lang_input_section_enum) |
2234 | continue; | |
252b5132 | 2235 | |
011aa75f | 2236 | ls = &(*pl)->input_section; |
252b5132 | 2237 | |
fd361982 | 2238 | lname = bfd_section_name (ls->section); |
011aa75f AM |
2239 | if (strchr (lname, '\$') != NULL |
2240 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2241 | break; | |
2242 | } | |
5ba47421 | 2243 | |
011aa75f AM |
2244 | if (add_child.head != NULL) |
2245 | { | |
2246 | *add_child.tail = *pl; | |
2247 | *pl = add_child.head; | |
2248 | } | |
252b5132 | 2249 | |
c2edb4b8 | 2250 | return os; |
252b5132 RH |
2251 | } |
2252 | ||
f38a2680 | 2253 | static bool |
0c7a8e5a | 2254 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2255 | (const char *arch ATTRIBUTE_UNUSED, |
2256 | search_dirs_type *search, | |
0c7a8e5a | 2257 | lang_input_statement_type *entry) |
690a460e | 2258 | { |
45e948fe NC |
2259 | static const struct |
2260 | { | |
2261 | const char * format; | |
f38a2680 | 2262 | bool use_prefix; |
45e948fe NC |
2263 | } |
2264 | libname_fmt [] = | |
2265 | { | |
2266 | /* Preferred explicit import library for dll's. */ | |
f38a2680 | 2267 | { "lib%s.dll.a", false }, |
45e948fe | 2268 | /* Alternate explicit import library for dll's. */ |
f38a2680 | 2269 | { "%s.dll.a", false }, |
45e948fe | 2270 | /* "libfoo.a" could be either an import lib or a static lib. |
6c19b93b AM |
2271 | For backwards compatibility, libfoo.a needs to precede |
2272 | libfoo.dll and foo.dll in the search. */ | |
f38a2680 | 2273 | { "lib%s.a", false }, |
92b93329 | 2274 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
f38a2680 | 2275 | { "%s.lib", false }, |
f6c4d4b1 | 2276 | /* PR 22948 - Check for an import library. */ |
f38a2680 | 2277 | { "lib%s.lib", false }, |
45e948fe NC |
2278 | #ifdef DLL_SUPPORT |
2279 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
f38a2680 | 2280 | { "%s%s.dll", true }, |
45e948fe NC |
2281 | #endif |
2282 | /* Try "libfoo.dll" (default preferred dll name). */ | |
f38a2680 | 2283 | { "lib%s.dll", false }, |
45e948fe | 2284 | /* Finally try 'native' dll name "foo.dll". */ |
f38a2680 | 2285 | { "%s.dll", false }, |
45e948fe NC |
2286 | /* Note: If adding more formats to this table, make sure to check to |
2287 | see if their length is longer than libname_fmt[0].format, and if | |
2288 | so, update the call to xmalloc() below. */ | |
f38a2680 | 2289 | { NULL, false } |
45e948fe | 2290 | }; |
b1d9458a | 2291 | static unsigned int format_max_len = 0; |
690a460e | 2292 | const char * filename; |
45e948fe NC |
2293 | char * full_string; |
2294 | char * base_string; | |
2295 | unsigned int i; | |
2296 | ||
690a460e | 2297 | |
d4ae5fb0 | 2298 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
f38a2680 | 2299 | return false; |
690a460e NC |
2300 | |
2301 | filename = entry->filename; | |
2302 | ||
b1d9458a NC |
2303 | if (format_max_len == 0) |
2304 | /* We need to allow space in the memory that we are going to allocate | |
2305 | for the characters in the format string. Since the format array is | |
2306 | static we only need to calculate this information once. In theory | |
2307 | this value could also be computed statically, but this introduces | |
2308 | the possibility for a discrepancy and hence a possible memory | |
2309 | corruption. The lengths we compute here will be too long because | |
2310 | they will include any formating characters (%s) in the strings, but | |
2311 | this will not matter. */ | |
2312 | for (i = 0; libname_fmt[i].format; i++) | |
2313 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2314 | format_max_len = strlen (libname_fmt[i].format); | |
2315 | ||
45e948fe NC |
2316 | full_string = xmalloc (strlen (search->name) |
2317 | + strlen (filename) | |
b1d9458a | 2318 | + format_max_len |
b9a69188 | 2319 | #ifdef DLL_SUPPORT |
45e948fe NC |
2320 | + (pe_dll_search_prefix |
2321 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2322 | #endif |
b1d9458a NC |
2323 | /* Allow for the terminating NUL and for the path |
2324 | separator character that is inserted between | |
2325 | search->name and the start of the format string. */ | |
2326 | + 2); | |
690a460e | 2327 | |
45e948fe NC |
2328 | sprintf (full_string, "%s/", search->name); |
2329 | base_string = full_string + strlen (full_string); | |
690a460e | 2330 | |
45e948fe | 2331 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2332 | { |
92b93329 | 2333 | #ifdef DLL_SUPPORT |
45e948fe | 2334 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2335 | { |
45e948fe NC |
2336 | if (!pe_dll_search_prefix) |
2337 | continue; | |
2338 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2339 | } |
45e948fe NC |
2340 | else |
2341 | #endif | |
2342 | sprintf (base_string, libname_fmt[i].format, filename); | |
2343 | ||
2344 | if (ldfile_try_open_bfd (full_string, entry)) | |
2345 | break; | |
2346 | } | |
2347 | ||
2348 | if (!libname_fmt[i].format) | |
2349 | { | |
2350 | free (full_string); | |
f38a2680 | 2351 | return false; |
690a460e | 2352 | } |
602e90d3 | 2353 | |
45e948fe | 2354 | entry->filename = full_string; |
690a460e | 2355 | |
f38a2680 | 2356 | return true; |
690a460e NC |
2357 | } |
2358 | ||
344a211f | 2359 | static int |
0c7a8e5a AM |
2360 | gld_${EMULATION_NAME}_find_potential_libraries |
2361 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2362 | { |
2363 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2364 | } | |
252b5132 RH |
2365 | \f |
2366 | static char * | |
0c7a8e5a | 2367 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 | 2368 | EOF |
1c9c9b9b AM |
2369 | |
2370 | if test x"$COMPILE_IN" = xyes | |
2371 | then | |
252b5132 | 2372 | # Scripts compiled in. |
1c9c9b9b | 2373 | |
252b5132 | 2374 | # sed commands to quote an ld script as a C string. |
597e2591 | 2375 | sc="-f stringify.sed" |
252b5132 | 2376 | |
92b93329 | 2377 | fragment <<EOF |
3fc90ddb | 2378 | { |
252b5132 RH |
2379 | *isfile = 0; |
2380 | ||
0e1862bb | 2381 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2382 | return |
2383 | EOF | |
1af699f4 | 2384 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2385 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2386 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2387 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2388 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2389 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2390 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2391 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2392 | 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 |
2393 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2394 | fi | |
1af699f4 AM |
2395 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2396 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2397 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2398 | |
1c9c9b9b AM |
2399 | else |
2400 | # Scripts read from the filesystem. | |
2401 | ||
2402 | fragment <<EOF | |
2403 | { | |
2404 | *isfile = 1; | |
2405 | ||
2406 | if (bfd_link_relocatable (&link_info) && config.build_constructors) | |
2407 | return "ldscripts/${EMULATION_NAME}.xu"; | |
2408 | else if (bfd_link_relocatable (&link_info)) | |
2409 | return "ldscripts/${EMULATION_NAME}.xr"; | |
2410 | else if (!config.text_read_only) | |
2411 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
2412 | else if (!config.magic_demand_paged) | |
2413 | return "ldscripts/${EMULATION_NAME}.xn"; | |
2414 | EOF | |
2415 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then | |
2416 | fragment <<EOF | |
2417 | else if (link_info.pei386_auto_import == 1 | |
2418 | && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) | |
2419 | return "ldscripts/${EMULATION_NAME}.xa"; | |
2420 | EOF | |
2421 | fi | |
2422 | fragment <<EOF | |
2423 | else | |
2424 | return "ldscripts/${EMULATION_NAME}.x"; | |
2425 | } | |
2426 | EOF | |
2427 | fi | |
2428 | ||
92b93329 | 2429 | fragment <<EOF |
252b5132 RH |
2430 | |
2431 | ||
3fc90ddb | 2432 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2433 | { |
2434 | gld_${EMULATION_NAME}_before_parse, | |
2435 | syslib_default, | |
2436 | hll_default, | |
2437 | gld_${EMULATION_NAME}_after_parse, | |
2438 | gld_${EMULATION_NAME}_after_open, | |
5c3261b0 | 2439 | after_check_relocs_default, |
9b538ba7 | 2440 | before_place_orphans_default, |
252b5132 RH |
2441 | after_allocation_default, |
2442 | set_output_arch_default, | |
2443 | ldemul_default_target, | |
2444 | gld_${EMULATION_NAME}_before_allocation, | |
2445 | gld_${EMULATION_NAME}_get_script, | |
2446 | "${EMULATION_NAME}", | |
2447 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2448 | gld_${EMULATION_NAME}_finish, |
2449 | NULL, /* Create output section statements. */ | |
690a460e | 2450 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2451 | gld_${EMULATION_NAME}_place_orphan, |
2452 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2453 | NULL, /* parse_args */ |
2454 | gld${EMULATION_NAME}_add_options, | |
2455 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2456 | gld_${EMULATION_NAME}_unrecognized_file, |
2457 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2458 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2459 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 | 2460 | NULL, /* new_vers_pattern. */ |
1ff6de03 NA |
2461 | NULL, /* extra_map_file_text. */ |
2462 | ${LDEMUL_EMIT_CTF_EARLY-NULL}, | |
3d16b64e NA |
2463 | ${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL}, |
2464 | ${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL}, | |
3edf7b9f | 2465 | ${LDEMUL_PRINT_SYMBOL-NULL} |
252b5132 RH |
2466 | }; |
2467 | EOF |