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Commit | Line | Data |
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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3fc90ddb | 3 | if [ -z "$MACHINE" ]; then |
86af25fe L |
4 | OUTPUT_ARCH=${ARCH} |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
361d94e7 ILT |
8 | rm -f e${EMULATION_NAME}.c |
9 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 10 | fragment <<EOF |
250d07de | 11 | /* Copyright (C) 1995-2021 Free Software Foundation, Inc. |
252b5132 | 12 | |
f96b4a7b NC |
13 | This file is part of the GNU Binutils. |
14 | ||
2fa9fc65 NC |
15 | This program is free software; you can redistribute it and/or modify |
16 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 17 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 18 | (at your option) any later version. |
252b5132 | 19 | |
2fa9fc65 NC |
20 | This program is distributed in the hope that it will be useful, |
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | GNU General Public License for more details. | |
252b5132 | 24 | |
2fa9fc65 NC |
25 | You should have received a copy of the GNU General Public License |
26 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
27 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
28 | MA 02110-1301, USA. */ | |
29 | ||
252b5132 RH |
30 | |
31 | /* For WINDOWS_NT */ | |
32 | /* The original file generated returned different default scripts depending | |
33 | on whether certain switches were set, but these switches pertain to the | |
34 | Linux system and that particular version of coff. In the NT case, we | |
35 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
36 | the correct entry point by default. */ |
37 | ||
db09f25b AM |
38 | #define TARGET_IS_${EMULATION_NAME} |
39 | ||
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
252b5132 | 42 | #include "bfdlink.h" |
1ff6de03 | 43 | #include "ctf-api.h" |
252b5132 RH |
44 | #include "getopt.h" |
45 | #include "libiberty.h" | |
42627821 | 46 | #include "filenames.h" |
252b5132 RH |
47 | #include "ld.h" |
48 | #include "ldmain.h" | |
252b5132 RH |
49 | #include "ldexp.h" |
50 | #include "ldlang.h" | |
b71e2778 | 51 | #include "ldfile.h" |
252b5132 | 52 | #include "ldemul.h" |
df2a7313 | 53 | #include <ldgram.h> |
252b5132 RH |
54 | #include "ldlex.h" |
55 | #include "ldmisc.h" | |
56 | #include "ldctor.h" | |
61e2488c | 57 | #include "ldbuildid.h" |
252b5132 | 58 | #include "coff/internal.h" |
71add731 | 59 | |
26d2d8a2 BF |
60 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
61 | header in generic PE code. */ | |
62 | #include "coff/i386.h" | |
63 | #include "coff/pe.h" | |
64 | ||
61e2488c | 65 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 66 | using it here. */ |
252b5132 | 67 | #include "../bfd/libcoff.h" |
61e2488c | 68 | #include "../bfd/libpei.h" |
71add731 | 69 | |
f37164d7 AM |
70 | #if defined(TARGET_IS_armpe) \ |
71 | || defined(TARGET_IS_arm_wince_pe) | |
72 | #define bfd_arm_allocate_interworking_sections \ | |
73 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
74 | #define bfd_arm_get_bfd_for_interworking \ | |
75 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
76 | #define bfd_arm_process_before_allocation \ | |
77 | bfd_${EMULATION_NAME}_process_before_allocation | |
78 | #include "coff-arm.h" | |
79 | #endif | |
80 | ||
252b5132 | 81 | #include "deffile.h" |
1069dd8d | 82 | #include "pe-dll.h" |
29e1a6e4 | 83 | #include "safe-ctype.h" |
14fe918e | 84 | |
2be9b2c7 ILT |
85 | /* Permit the emulation parameters to override the default section |
86 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
87 | it seem that include/coff/internal.h should not define | |
88 | PE_DEF_SECTION_ALIGNMENT. */ | |
89 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
90 | #undef PE_DEF_SECTION_ALIGNMENT | |
91 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
92 | #endif | |
93 | ||
7148cc28 NC |
94 | #if defined(TARGET_IS_i386pe) \ |
95 | || defined(TARGET_IS_shpe) \ | |
7148cc28 | 96 | || defined(TARGET_IS_armpe) \ |
7148cc28 | 97 | || defined(TARGET_IS_arm_wince_pe) |
344a211f NC |
98 | #define DLL_SUPPORT |
99 | #endif | |
c6c37250 | 100 | |
e468a046 KT |
101 | #if defined(TARGET_IS_i386pe) |
102 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
103 | #else | |
104 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
105 | #endif | |
106 | ||
514b4e19 JD |
107 | #define DEFAULT_DLL_CHARACTERISTICS (IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE \ |
108 | | IMAGE_DLL_CHARACTERISTICS_NX_COMPAT) | |
109 | ||
344a211f | 110 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 111 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
112 | #else |
113 | #undef NT_EXE_IMAGE_BASE | |
114 | #undef PE_DEF_SECTION_ALIGNMENT | |
115 | #undef PE_DEF_FILE_ALIGNMENT | |
116 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
117 | |
118 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
119 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
120 | #define PE_DEF_SUBSYSTEM 9 | |
121 | #else | |
122 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
123 | #define PE_DEF_SUBSYSTEM 2 | |
124 | #endif | |
125 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
126 | #endif | |
c6c37250 | 127 | |
252b5132 RH |
128 | static struct internal_extra_pe_aouthdr pe; |
129 | static int dll; | |
decfa41e | 130 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 131 | static flagword real_flags = 0; |
252b5132 | 132 | static int support_old_code = 0; |
6f798e5c | 133 | static char * thumb_entry_symbol = NULL; |
252b5132 | 134 | static lang_assignment_statement_type *image_base_statement = 0; |
514b4e19 | 135 | static unsigned short pe_dll_characteristics = DEFAULT_DLL_CHARACTERISTICS; |
f38a2680 | 136 | static bool insert_timestamp = true; |
61e2488c | 137 | static const char *emit_build_id; |
252b5132 | 138 | |
f0c87f88 | 139 | #ifdef DLL_SUPPORT |
4cd89863 | 140 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e | 141 | static char *pe_out_def_filename = NULL; |
5f577f7d | 142 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 143 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 144 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 145 | #endif |
252b5132 RH |
146 | |
147 | extern const char *output_filename; | |
148 | ||
d74720d2 | 149 | static int is_underscoring (void) |
252b5132 | 150 | { |
d74720d2 KT |
151 | int u = 0; |
152 | if (pe_leading_underscore != -1) | |
153 | return pe_leading_underscore; | |
154 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) | |
b804e4af KT |
155 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
156 | ||
157 | if (u == -1) | |
158 | abort (); | |
d74720d2 KT |
159 | pe_leading_underscore = (u != 0 ? 1 : 0); |
160 | return pe_leading_underscore; | |
161 | } | |
b804e4af | 162 | |
d74720d2 KT |
163 | static void |
164 | gld_${EMULATION_NAME}_before_parse (void) | |
165 | { | |
166 | is_underscoring (); | |
5e2f1575 | 167 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 168 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 169 | #ifdef DLL_SUPPORT |
f38a2680 | 170 | input_flags.dynamic = true; |
252b5132 | 171 | config.has_shared = 1; |
5b9c6027 DK |
172 | EOF |
173 | ||
174 | # Cygwin no longer wants these noisy warnings. Other PE | |
175 | # targets might like to consider adding themselves here. | |
27320b85 NC |
176 | # See also the mail thread starting here for the reason why |
177 | # merge_rdata defaults to 0 for cygwin: | |
178 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html | |
5b9c6027 DK |
179 | case ${target} in |
180 | *-*-cygwin*) | |
181 | default_auto_import=1 | |
27320b85 | 182 | default_merge_rdata=0 |
ca5f2203 | 183 | ;; |
09db93a8 | 184 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
ca5f2203 KT |
185 | default_auto_import=1 |
186 | default_merge_rdata=0 | |
5b9c6027 DK |
187 | ;; |
188 | *) | |
189 | default_auto_import=-1 | |
ca5f2203 | 190 | default_merge_rdata=1 |
5b9c6027 DK |
191 | ;; |
192 | esac | |
193 | ||
194 | fragment <<EOF | |
195 | link_info.pei386_auto_import = ${default_auto_import}; | |
e468a046 KT |
196 | /* Use by default version. */ |
197 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; | |
252b5132 RH |
198 | #endif |
199 | } | |
200 | \f | |
ca5f2203 KT |
201 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
202 | version 2 is used and auto-import is enabled. */ | |
203 | #define MERGE_RDATA_V2 ${default_merge_rdata} | |
204 | ||
252b5132 RH |
205 | /* PE format extra command line options. */ |
206 | ||
4cd89863 | 207 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
208 | #define OPTION_BASE_FILE (300 + 1) |
209 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
210 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
211 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
212 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
213 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
214 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
215 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
216 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
217 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
218 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
219 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
220 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
221 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
222 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
223 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
224 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
225 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
2927aaca NC |
226 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
227 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) | |
252b5132 RH |
228 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
229 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
230 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
76359541 | 231 | #define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1) |
870df5dc NC |
232 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
233 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
234 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
235 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
236 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
237 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
238 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
239 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
240 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 241 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
242 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
243 | (OPTION_EXCLUDE_LIBS + 1) | |
244 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
245 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6c19b93b | 246 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 | 247 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
6c19b93b | 248 | (OPTION_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 | 249 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 250 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
251 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
252 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
253 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
254 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 255 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 256 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
6c19b93b AM |
257 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
258 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
259 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
260 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
261 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
262 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 263 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
264 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
265 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
266 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 267 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
268 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
269 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
270 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
271 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
272 | /* Determinism. */ |
273 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
274 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
275 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
dc9bd8c9 | 276 | #define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1) |
514b4e19 JD |
277 | #define OPTION_DISABLE_RELOC_SECTION (OPTION_ENABLE_RELOC_SECTION + 1) |
278 | /* DLL Characteristics flags. */ | |
279 | #define OPTION_DISABLE_DYNAMIC_BASE (OPTION_DISABLE_RELOC_SECTION + 1) | |
280 | #define OPTION_DISABLE_FORCE_INTEGRITY (OPTION_DISABLE_DYNAMIC_BASE + 1) | |
281 | #define OPTION_DISABLE_NX_COMPAT (OPTION_DISABLE_FORCE_INTEGRITY + 1) | |
282 | #define OPTION_DISABLE_NO_ISOLATION (OPTION_DISABLE_NX_COMPAT + 1) | |
283 | #define OPTION_DISABLE_NO_SEH (OPTION_DISABLE_NO_ISOLATION + 1) | |
284 | #define OPTION_DISABLE_NO_BIND (OPTION_DISABLE_NO_SEH + 1) | |
285 | #define OPTION_DISABLE_WDM_DRIVER (OPTION_DISABLE_NO_BIND + 1) | |
286 | #define OPTION_DISABLE_TERMINAL_SERVER_AWARE \ | |
287 | (OPTION_DISABLE_WDM_DRIVER + 1) | |
252b5132 | 288 | |
3bcf5557 | 289 | static void |
0c7a8e5a | 290 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
291 | (int ns ATTRIBUTE_UNUSED, |
292 | char **shortopts ATTRIBUTE_UNUSED, | |
293 | int nl, | |
294 | struct option **longopts, | |
295 | int nrl ATTRIBUTE_UNUSED, | |
296 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 297 | { |
27320b85 NC |
298 | static const struct option xtra_long[] = |
299 | { | |
300 | /* PE options. */ | |
3bcf5557 AM |
301 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
302 | {"dll", no_argument, NULL, OPTION_DLL}, | |
303 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
304 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
305 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
306 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
307 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
308 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
309 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
310 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
311 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
312 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
313 | {"stack", required_argument, NULL, OPTION_STACK}, | |
314 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
315 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
316 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
317 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
318 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
319 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
320 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 321 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 322 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 323 | #ifdef DLL_SUPPORT |
d127ecce AM |
324 | /* getopt allows abbreviations, so we do this to stop it |
325 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
326 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
327 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
328 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
329 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 330 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 331 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 332 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
333 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
334 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
335 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
336 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
3bcf5557 AM |
337 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
338 | /* getopt() allows abbreviations, so we do this to stop it from | |
339 | treating -c as an abbreviation for these --compat-implib. */ | |
340 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
341 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 342 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
343 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
344 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
345 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
346 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
347 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
348 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
349 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
350 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
351 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
352 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 353 | #endif |
26d2d8a2 | 354 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 355 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
356 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
357 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 | 358 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
514b4e19 | 359 | {"disable-dynamicbase",no_argument, NULL, OPTION_DISABLE_DYNAMIC_BASE}, |
2f563b51 | 360 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, |
514b4e19 | 361 | {"disable-forceinteg", no_argument, NULL, OPTION_DISABLE_FORCE_INTEGRITY}, |
2f563b51 | 362 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, |
514b4e19 | 363 | {"disable-nxcompat", no_argument, NULL, OPTION_DISABLE_NX_COMPAT}, |
2f563b51 | 364 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, |
514b4e19 | 365 | {"disable-no-isolation", no_argument, NULL, OPTION_DISABLE_NO_ISOLATION}, |
2f563b51 | 366 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, |
514b4e19 | 367 | {"disable-no-seh", no_argument, NULL, OPTION_DISABLE_NO_SEH}, |
2f563b51 | 368 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, |
514b4e19 | 369 | {"disable-no-bind", no_argument, NULL, OPTION_DISABLE_NO_BIND}, |
2f563b51 | 370 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, |
514b4e19 | 371 | {"disable-wdmdriver", no_argument, NULL, OPTION_DISABLE_WDM_DRIVER}, |
2f563b51 | 372 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, |
514b4e19 | 373 | {"disable-tsaware", no_argument, NULL, OPTION_DISABLE_TERMINAL_SERVER_AWARE}, |
61e2488c | 374 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
dc9bd8c9 | 375 | {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION}, |
514b4e19 | 376 | {"disable-reloc-section", no_argument, NULL, OPTION_DISABLE_RELOC_SECTION}, |
3bcf5557 AM |
377 | {NULL, no_argument, NULL, 0} |
378 | }; | |
252b5132 | 379 | |
d127ecce AM |
380 | *longopts |
381 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
382 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
383 | } | |
252b5132 RH |
384 | |
385 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 386 | parameters which may be input from the command line. */ |
252b5132 RH |
387 | |
388 | typedef struct | |
389 | { | |
390 | void *ptr; | |
391 | int size; | |
392 | int value; | |
393 | char *symbol; | |
394 | int inited; | |
522f09cd KT |
395 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
396 | C visible symbols can be prefixed by underscore dependent to target's | |
397 | settings. */ | |
f38a2680 | 398 | bool is_c_symbol; |
252b5132 RH |
399 | } definfo; |
400 | ||
522f09cd KT |
401 | /* Get symbol name dependent to kind and C visible state of |
402 | underscore. */ | |
403 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
404 | (init[(IDX)].symbol \ | |
535b785f | 405 | + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1)) |
522f09cd KT |
406 | |
407 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
408 | #define U(CSTR) \ | |
d74720d2 | 409 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd | 410 | |
61e2488c | 411 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
412 | |
413 | static definfo init[] = | |
414 | { | |
415 | /* imagebase must be first */ | |
416 | #define IMAGEBASEOFF 0 | |
f38a2680 | 417 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, false), |
252b5132 | 418 | #define DLLOFF 1 |
f38a2680 | 419 | {&dll, sizeof(dll), 0, "__dll__", 0, false}, |
dffc6a64 | 420 | #define MSIMAGEBASEOFF 2 |
f38a2680 AM |
421 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, true), |
422 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, false), | |
423 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, false), | |
424 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, false), | |
425 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, false), | |
426 | D(MajorImageVersion,"__major_image_version__", 1, false), | |
427 | D(MinorImageVersion,"__minor_image_version__", 0, false), | |
7148cc28 | 428 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f38a2680 | 429 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, false), |
344a211f | 430 | #else |
f38a2680 | 431 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, false), |
344a211f | 432 | #endif |
f38a2680 AM |
433 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, false), |
434 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, false), | |
435 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, false), | |
436 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, false), | |
437 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, false), | |
438 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, false), | |
439 | D(LoaderFlags,"__loader_flags__", 0x0, false), | |
440 | D(DllCharacteristics, "__dll_characteristics__", DEFAULT_DLL_CHARACTERISTICS, false), | |
441 | { NULL, 0, 0, NULL, 0 , false} | |
252b5132 RH |
442 | }; |
443 | ||
4cd89863 | 444 | |
252b5132 | 445 | static void |
0c7a8e5a | 446 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
447 | { |
448 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
449 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
450 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
451 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
452 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
453 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
454 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
455 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
456 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
457 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
458 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
459 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
460 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
461 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
462 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 463 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 464 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 465 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 466 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 467 | #ifdef DLL_SUPPORT |
252b5132 RH |
468 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
469 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
470 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
471 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 472 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 473 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
474 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
475 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
476 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
477 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
478 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
252b5132 | 479 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
d0e6d77b | 480 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
481 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
482 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
483 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
484 | (optionally starting with address) unless\n\ | |
485 | specifically set with --image-base\n")); | |
5f577f7d | 486 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
487 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
488 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 489 | in preference to lib<basename>.dll \n")); |
c85f715a | 490 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 491 | __imp_sym for DATA references\n")); |
decc3638 | 492 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 493 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
494 | adding pseudo-relocations resolved at\n\ |
495 | runtime.\n")); | |
2fa9fc65 NC |
496 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
497 | auto-imported DATA.\n")); | |
e3c8793a NC |
498 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
499 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 500 | #endif |
26d2d8a2 BF |
501 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
502 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
503 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
504 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
505 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
506 | executable image files\n")); | |
507 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
508 | in object files\n")); | |
514b4e19 | 509 | fprintf (file, _(" --[disable-]dynamicbase Image base address may be relocated using\n\ |
df5f2391 | 510 | address space layout randomization (ASLR)\n")); |
dc9bd8c9 | 511 | fprintf (file, _(" --enable-reloc-section Create the base relocation table\n")); |
514b4e19 JD |
512 | fprintf (file, _(" --disable-reloc-section Do not create the base relocation table\n")); |
513 | fprintf (file, _(" --[disable-]forceinteg Code integrity checks are enforced\n")); | |
514 | fprintf (file, _(" --[disable-]nxcompat Image is compatible with data execution\n\ | |
515 | prevention\n")); | |
516 | fprintf (file, _(" --[disable-]no-isolation Image understands isolation but do not\n\ | |
517 | isolate the image\n")); | |
518 | fprintf (file, _(" --[disable-]no-seh Image does not use SEH. No SE handler may\n\ | |
df5f2391 | 519 | be called in this image\n")); |
514b4e19 JD |
520 | fprintf (file, _(" --[disable-]no-bind Do not bind this image\n")); |
521 | fprintf (file, _(" --[disable-]wdmdriver Driver uses the WDM model\n")); | |
522 | fprintf (file, _(" --[disable-]tsaware Image is Terminal Server aware\n")); | |
523 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); | |
252b5132 RH |
524 | } |
525 | ||
4cd89863 | 526 | |
252b5132 | 527 | static void |
0c7a8e5a | 528 | set_pe_name (char *name, long val) |
252b5132 | 529 | { |
d74720d2 KT |
530 | int i; |
531 | is_underscoring (); | |
4cd89863 NC |
532 | |
533 | /* Find the name and set it. */ | |
252b5132 RH |
534 | for (i = 0; init[i].ptr; i++) |
535 | { | |
522f09cd | 536 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
537 | { |
538 | init[i].value = val; | |
539 | init[i].inited = 1; | |
dffc6a64 KT |
540 | if (strcmp (name,"__image_base__") == 0) |
541 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
542 | return; |
543 | } | |
544 | } | |
939ba9d0 | 545 | abort (); |
252b5132 RH |
546 | } |
547 | ||
decfa41e KT |
548 | static void |
549 | set_entry_point (void) | |
550 | { | |
551 | const char *entry; | |
552 | const char *initial_symbol_char; | |
d74720d2 | 553 | int i; |
decfa41e KT |
554 | |
555 | static const struct | |
6c19b93b AM |
556 | { |
557 | const int value; | |
558 | const char *entry; | |
559 | } | |
decfa41e KT |
560 | v[] = |
561 | { | |
562 | { 1, "NtProcessStartup" }, | |
563 | { 2, "WinMainCRTStartup" }, | |
564 | { 3, "mainCRTStartup" }, | |
565 | { 7, "__PosixProcessStartup"}, | |
566 | { 9, "WinMainCRTStartup" }, | |
567 | {14, "mainCRTStartup" }, | |
568 | { 0, NULL } | |
569 | }; | |
570 | ||
571 | /* Entry point name for arbitrary subsystem numbers. */ | |
572 | static const char default_entry[] = "mainCRTStartup"; | |
573 | ||
307f2595 | 574 | if (bfd_link_dll (&link_info) || dll) |
decfa41e KT |
575 | { |
576 | #if defined (TARGET_IS_i386pe) | |
577 | entry = "DllMainCRTStartup@12"; | |
578 | #else | |
579 | entry = "DllMainCRTStartup"; | |
580 | #endif | |
581 | } | |
582 | else | |
583 | { | |
decfa41e | 584 | for (i = 0; v[i].entry; i++) |
6c19b93b AM |
585 | if (v[i].value == pe_subsystem) |
586 | break; | |
decfa41e KT |
587 | |
588 | /* If no match, use the default. */ | |
589 | if (v[i].entry != NULL) | |
6c19b93b | 590 | entry = v[i].entry; |
decfa41e | 591 | else |
6c19b93b | 592 | entry = default_entry; |
decfa41e KT |
593 | } |
594 | ||
d74720d2 | 595 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 596 | |
decfa41e KT |
597 | if (*initial_symbol_char != '\0') |
598 | { | |
599 | char *alc_entry; | |
600 | ||
601 | /* lang_default_entry expects its argument to be permanently | |
602 | allocated, so we don't free this string. */ | |
603 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
604 | + strlen (entry) | |
605 | + 1); | |
606 | strcpy (alc_entry, initial_symbol_char); | |
607 | strcat (alc_entry, entry); | |
608 | entry = alc_entry; | |
609 | } | |
610 | ||
611 | lang_default_entry (entry); | |
612 | } | |
252b5132 RH |
613 | |
614 | static void | |
0c7a8e5a | 615 | set_pe_subsystem (void) |
252b5132 RH |
616 | { |
617 | const char *sver; | |
33f362e1 | 618 | char *end; |
252b5132 RH |
619 | int len; |
620 | int i; | |
33f362e1 | 621 | unsigned long temp_subsystem; |
3fc90ddb | 622 | static const struct |
252b5132 RH |
623 | { |
624 | const char *name; | |
625 | const int value; | |
252b5132 RH |
626 | } |
627 | v[] = | |
628 | { | |
decfa41e KT |
629 | { "native", 1}, |
630 | { "windows", 2}, | |
631 | { "console", 3}, | |
632 | { "posix", 7}, | |
633 | { "wince", 9}, | |
634 | { "xbox", 14}, | |
635 | { NULL, 0 } | |
252b5132 RH |
636 | }; |
637 | ||
33f362e1 | 638 | /* Check for the presence of a version number. */ |
252b5132 RH |
639 | sver = strchr (optarg, ':'); |
640 | if (sver == NULL) | |
641 | len = strlen (optarg); | |
642 | else | |
643 | { | |
252b5132 RH |
644 | len = sver - optarg; |
645 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 646 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
647 | if (*end == '.') |
648 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 649 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
650 | if (*end != '\0') |
651 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
652 | } | |
653 | ||
33f362e1 NC |
654 | /* Check for numeric subsystem. */ |
655 | temp_subsystem = strtoul (optarg, & end, 0); | |
656 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 657 | { |
33f362e1 NC |
658 | /* Search list for a numeric match to use its entry point. */ |
659 | for (i = 0; v[i].name; i++) | |
660 | if (v[i].value == (int) temp_subsystem) | |
661 | break; | |
662 | ||
33f362e1 | 663 | /* Use this subsystem. */ |
decfa41e | 664 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
665 | } |
666 | else | |
667 | { | |
668 | /* Search for subsystem by name. */ | |
669 | for (i = 0; v[i].name; i++) | |
670 | if (strncmp (optarg, v[i].name, len) == 0 | |
671 | && v[i].name[len] == '\0') | |
672 | break; | |
252b5132 | 673 | |
33f362e1 NC |
674 | if (v[i].name == NULL) |
675 | { | |
df5f2391 | 676 | einfo (_("%F%P: invalid subsystem type %s\n"), optarg); |
252b5132 RH |
677 | return; |
678 | } | |
33f362e1 | 679 | |
decfa41e | 680 | pe_subsystem = v[i].value; |
252b5132 | 681 | } |
3fc90ddb | 682 | |
decfa41e | 683 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
684 | |
685 | return; | |
252b5132 RH |
686 | } |
687 | ||
688 | ||
252b5132 | 689 | static void |
0c7a8e5a | 690 | set_pe_value (char *name) |
252b5132 RH |
691 | { |
692 | char *end; | |
3fc90ddb | 693 | |
252b5132 | 694 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 695 | |
252b5132 | 696 | if (end == optarg) |
df5f2391 | 697 | einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg); |
252b5132 RH |
698 | |
699 | optarg = end; | |
700 | } | |
701 | ||
4cd89863 | 702 | |
252b5132 | 703 | static void |
0c7a8e5a | 704 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
705 | { |
706 | set_pe_value (resname); | |
3fc90ddb | 707 | |
252b5132 RH |
708 | if (*optarg == ',') |
709 | { | |
710 | optarg++; | |
711 | set_pe_value (comname); | |
712 | } | |
713 | else if (*optarg) | |
df5f2391 | 714 | einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg); |
252b5132 RH |
715 | } |
716 | ||
61e2488c | 717 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 718 | |
f38a2680 | 719 | static bool |
0c7a8e5a | 720 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 721 | { |
252b5132 RH |
722 | switch (optc) |
723 | { | |
724 | default: | |
f38a2680 | 725 | return false; |
252b5132 RH |
726 | |
727 | case OPTION_BASE_FILE: | |
0c7a8e5a | 728 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 729 | if (link_info.base_file == NULL) |
e922bcab | 730 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
731 | break; |
732 | ||
4cd89863 | 733 | /* PE options. */ |
3fc90ddb | 734 | case OPTION_HEAP: |
252b5132 RH |
735 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
736 | break; | |
3fc90ddb | 737 | case OPTION_STACK: |
252b5132 RH |
738 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
739 | break; | |
740 | case OPTION_SUBSYSTEM: | |
741 | set_pe_subsystem (); | |
742 | break; | |
743 | case OPTION_MAJOR_OS_VERSION: | |
744 | set_pe_value ("__major_os_version__"); | |
745 | break; | |
746 | case OPTION_MINOR_OS_VERSION: | |
747 | set_pe_value ("__minor_os_version__"); | |
748 | break; | |
749 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
750 | set_pe_value ("__major_subsystem_version__"); | |
751 | break; | |
752 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
753 | set_pe_value ("__minor_subsystem_version__"); | |
754 | break; | |
755 | case OPTION_MAJOR_IMAGE_VERSION: | |
756 | set_pe_value ("__major_image_version__"); | |
757 | break; | |
758 | case OPTION_MINOR_IMAGE_VERSION: | |
759 | set_pe_value ("__minor_image_version__"); | |
760 | break; | |
761 | case OPTION_FILE_ALIGNMENT: | |
762 | set_pe_value ("__file_alignment__"); | |
763 | break; | |
764 | case OPTION_SECTION_ALIGNMENT: | |
765 | set_pe_value ("__section_alignment__"); | |
766 | break; | |
767 | case OPTION_DLL: | |
768 | set_pe_name ("__dll__", 1); | |
769 | break; | |
770 | case OPTION_IMAGE_BASE: | |
771 | set_pe_value ("__image_base__"); | |
772 | break; | |
773 | case OPTION_SUPPORT_OLD_CODE: | |
774 | support_old_code = 1; | |
775 | break; | |
6f798e5c NC |
776 | case OPTION_THUMB_ENTRY: |
777 | thumb_entry_symbol = optarg; | |
778 | break; | |
ce11ba6c | 779 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
f38a2680 | 780 | pe_use_nul_prefixed_import_tables = true; |
ce11ba6c | 781 | break; |
522f09cd KT |
782 | case OPTION_NO_LEADING_UNDERSCORE: |
783 | pe_leading_underscore = 0; | |
784 | break; | |
785 | case OPTION_LEADING_UNDERSCORE: | |
786 | pe_leading_underscore = 1; | |
787 | break; | |
0cb112f7 | 788 | case OPTION_INSERT_TIMESTAMP: |
f38a2680 | 789 | insert_timestamp = true; |
0cb112f7 | 790 | break; |
eeb14e5a | 791 | case OPTION_NO_INSERT_TIMESTAMP: |
f38a2680 | 792 | insert_timestamp = false; |
eeb14e5a | 793 | break; |
c6c37250 | 794 | #ifdef DLL_SUPPORT |
252b5132 RH |
795 | case OPTION_OUT_DEF: |
796 | pe_out_def_filename = xstrdup (optarg); | |
797 | break; | |
798 | case OPTION_EXPORT_ALL: | |
799 | pe_dll_export_everything = 1; | |
800 | break; | |
801 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 802 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 803 | break; |
2927aaca NC |
804 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
805 | pe_dll_exclude_all_symbols = 1; | |
806 | break; | |
70b0be79 | 807 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
808 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
809 | break; | |
810 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
811 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
812 | break; |
813 | case OPTION_KILL_ATS: | |
814 | pe_dll_kill_ats = 1; | |
815 | break; | |
816 | case OPTION_STDCALL_ALIASES: | |
817 | pe_dll_stdcall_aliases = 1; | |
818 | break; | |
819 | case OPTION_ENABLE_STDCALL_FIXUP: | |
820 | pe_enable_stdcall_fixup = 1; | |
821 | break; | |
822 | case OPTION_DISABLE_STDCALL_FIXUP: | |
823 | pe_enable_stdcall_fixup = 0; | |
824 | break; | |
870df5dc NC |
825 | case OPTION_WARN_DUPLICATE_EXPORTS: |
826 | pe_dll_warn_dup_exports = 1; | |
827 | break; | |
828 | case OPTION_IMP_COMPAT: | |
829 | pe_dll_compat_implib = 1; | |
830 | break; | |
5f577f7d DD |
831 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
832 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
833 | if (optarg && *optarg) |
834 | { | |
835 | char *end; | |
61e2488c | 836 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
837 | /* XXX should check that we actually parsed something */ |
838 | } | |
5f577f7d DD |
839 | break; |
840 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
841 | pe_enable_auto_image_base = 0; | |
842 | break; | |
627427de | 843 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 844 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 845 | break; |
1122a5fc NC |
846 | case OPTION_NO_DEFAULT_EXCLUDES: |
847 | pe_dll_do_default_excludes = 0; | |
848 | break; | |
decc3638 | 849 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 850 | link_info.pei386_auto_import = 1; |
decc3638 CW |
851 | break; |
852 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 853 | link_info.pei386_auto_import = 0; |
decc3638 | 854 | break; |
2fa9fc65 | 855 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
856 | link_info.pei386_runtime_pseudo_reloc = |
857 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 858 | break; |
6cb442d3 KT |
859 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
860 | link_info.pei386_runtime_pseudo_reloc = 1; | |
861 | break; | |
862 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
863 | link_info.pei386_runtime_pseudo_reloc = 2; | |
864 | break; | |
2fa9fc65 NC |
865 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
866 | link_info.pei386_runtime_pseudo_reloc = 0; | |
867 | break; | |
decc3638 CW |
868 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
869 | pe_dll_extra_pe_debug = 1; | |
870 | break; | |
c6c37250 | 871 | #endif |
26d2d8a2 BF |
872 | case OPTION_LARGE_ADDRESS_AWARE: |
873 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
874 | break; | |
f69a2f97 NC |
875 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
876 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
877 | break; | |
88183869 DK |
878 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
879 | pe_use_coff_long_section_names = 1; | |
880 | break; | |
881 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
882 | pe_use_coff_long_section_names = 0; | |
883 | break; | |
2f563b51 DK |
884 | /* Get DLLCharacteristics bits */ |
885 | case OPTION_DYNAMIC_BASE: | |
886 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
dc9bd8c9 HD |
887 | /* fall through */ |
888 | case OPTION_ENABLE_RELOC_SECTION: | |
889 | pe_dll_enable_reloc_section = 1; | |
2f563b51 | 890 | break; |
514b4e19 JD |
891 | case OPTION_DISABLE_RELOC_SECTION: |
892 | pe_dll_enable_reloc_section = 0; | |
893 | /* fall through */ | |
894 | case OPTION_DISABLE_DYNAMIC_BASE: | |
895 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
896 | break; | |
2f563b51 DK |
897 | case OPTION_FORCE_INTEGRITY: |
898 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
899 | break; | |
514b4e19 JD |
900 | case OPTION_DISABLE_FORCE_INTEGRITY: |
901 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
902 | break; | |
2f563b51 DK |
903 | case OPTION_NX_COMPAT: |
904 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
905 | break; | |
514b4e19 JD |
906 | case OPTION_DISABLE_NX_COMPAT: |
907 | pe_dll_characteristics &= ~ IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
908 | break; | |
2f563b51 DK |
909 | case OPTION_NO_ISOLATION: |
910 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
911 | break; | |
514b4e19 JD |
912 | case OPTION_DISABLE_NO_ISOLATION: |
913 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
914 | break; | |
2f563b51 DK |
915 | case OPTION_NO_SEH: |
916 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
917 | break; | |
514b4e19 JD |
918 | case OPTION_DISABLE_NO_SEH: |
919 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
920 | break; | |
2f563b51 DK |
921 | case OPTION_NO_BIND: |
922 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
923 | break; | |
514b4e19 JD |
924 | case OPTION_DISABLE_NO_BIND: |
925 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
926 | break; | |
2f563b51 DK |
927 | case OPTION_WDM_DRIVER: |
928 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
929 | break; | |
514b4e19 JD |
930 | case OPTION_DISABLE_WDM_DRIVER: |
931 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
932 | break; | |
2f563b51 DK |
933 | case OPTION_TERMINAL_SERVER_AWARE: |
934 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
935 | break; | |
514b4e19 JD |
936 | case OPTION_DISABLE_TERMINAL_SERVER_AWARE: |
937 | pe_dll_characteristics &= ~ IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
938 | break; | |
61e2488c | 939 | case OPTION_BUILD_ID: |
5e2ab612 AM |
940 | free ((char *) emit_build_id); |
941 | emit_build_id = NULL; | |
61e2488c JT |
942 | if (optarg == NULL) |
943 | optarg = DEFAULT_BUILD_ID_STYLE; | |
944 | if (strcmp (optarg, "none")) | |
945 | emit_build_id = xstrdup (optarg); | |
946 | break; | |
252b5132 | 947 | } |
2f563b51 DK |
948 | |
949 | /* Set DLLCharacteristics bits */ | |
950 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
951 | ||
f38a2680 | 952 | return true; |
252b5132 RH |
953 | } |
954 | \f | |
5f577f7d | 955 | |
2ef53d66 | 956 | #ifdef DLL_SUPPORT |
3fc90ddb | 957 | static unsigned long |
5f577f7d DD |
958 | strhash (const char *str) |
959 | { | |
960 | const unsigned char *s; | |
961 | unsigned long hash; | |
962 | unsigned int c; | |
963 | unsigned int len; | |
964 | ||
965 | hash = 0; | |
966 | len = 0; | |
967 | s = (const unsigned char *) str; | |
968 | while ((c = *s++) != '\0') | |
969 | { | |
970 | hash += c + (c << 17); | |
971 | hash ^= hash >> 2; | |
972 | ++len; | |
973 | } | |
974 | hash += len + (len << 17); | |
975 | hash ^= hash >> 2; | |
976 | ||
977 | return hash; | |
978 | } | |
979 | ||
4cd89863 NC |
980 | /* Use the output file to create a image base for relocatable DLLs. */ |
981 | ||
5f577f7d DD |
982 | static unsigned long |
983 | compute_dll_image_base (const char *ofile) | |
984 | { | |
985 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 986 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 987 | } |
2ef53d66 | 988 | #endif |
5f577f7d | 989 | |
252b5132 RH |
990 | /* Assign values to the special symbols before the linker script is |
991 | read. */ | |
992 | ||
993 | static void | |
0c7a8e5a | 994 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
995 | { |
996 | /* Run through and invent symbols for all the | |
4cd89863 | 997 | names and insert the defaults. */ |
d74720d2 | 998 | int j; |
b804e4af | 999 | |
d74720d2 | 1000 | is_underscoring (); |
252b5132 RH |
1001 | |
1002 | if (!init[IMAGEBASEOFF].inited) | |
1003 | { | |
0e1862bb | 1004 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 1005 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 1006 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 1007 | { |
2ef53d66 | 1008 | #ifdef DLL_SUPPORT |
d127ecce AM |
1009 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
1010 | ? compute_dll_image_base (output_filename) | |
1011 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 1012 | #else |
d127ecce | 1013 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 1014 | #endif |
d127ecce | 1015 | } |
252b5132 RH |
1016 | else |
1017 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 1018 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
1019 | } |
1020 | ||
1049f94e | 1021 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 1022 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
1023 | return; |
1024 | ||
4cd89863 | 1025 | /* Glue the assignments into the abs section. */ |
bde18da4 | 1026 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
1027 | |
1028 | for (j = 0; init[j].ptr; j++) | |
1029 | { | |
1030 | long val = init[j].value; | |
1031 | lang_assignment_statement_type *rv; | |
522f09cd | 1032 | |
2e57b2af | 1033 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
f38a2680 | 1034 | exp_intop (val), false)); |
939ba9d0 NC |
1035 | if (init[j].size == sizeof (short)) |
1036 | *(short *) init[j].ptr = val; | |
1037 | else if (init[j].size == sizeof (int)) | |
1038 | *(int *) init[j].ptr = val; | |
1039 | else if (init[j].size == sizeof (long)) | |
1040 | *(long *) init[j].ptr = val; | |
252b5132 | 1041 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
1042 | else if (init[j].size == sizeof (bfd_vma)) |
1043 | *(bfd_vma *) init[j].ptr = val; | |
1044 | else abort (); | |
252b5132 RH |
1045 | if (j == IMAGEBASEOFF) |
1046 | image_base_statement = rv; | |
1047 | } | |
4cd89863 | 1048 | /* Restore the pointer. */ |
bde18da4 | 1049 | pop_stat_ptr (); |
3fc90ddb | 1050 | |
d127ecce | 1051 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 | 1052 | { |
df5f2391 | 1053 | einfo (_("%P: warning, file alignment > section alignment\n")); |
252b5132 RH |
1054 | } |
1055 | } | |
1056 | ||
1057 | /* This is called after the linker script and the command line options | |
1058 | have been read. */ | |
1059 | ||
1060 | static void | |
0c7a8e5a | 1061 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1062 | { |
8b747e1a DK |
1063 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1064 | option hoping it will work on PE. */ | |
1065 | if (link_info.export_dynamic) | |
1066 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1067 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1068 | |
decfa41e KT |
1069 | set_entry_point (); |
1070 | ||
97b11f40 | 1071 | after_parse_default (); |
252b5132 RH |
1072 | } |
1073 | ||
2ef53d66 | 1074 | #ifdef DLL_SUPPORT |
252b5132 RH |
1075 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1076 | ||
f38a2680 | 1077 | static bool |
0c7a8e5a | 1078 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1079 | { |
decc3638 | 1080 | int sl; |
0c7a8e5a | 1081 | char *string = inf; |
8a9eab9b | 1082 | const char *hs = h->root.string; |
4cd89863 | 1083 | |
0c7a8e5a | 1084 | sl = strlen (string); |
252b5132 | 1085 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1086 | && ((*hs == '@' && *string == '_' |
1087 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1088 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1089 | && h->root.string[sl] == '@') |
decc3638 CW |
1090 | { |
1091 | pe_undef_found_sym = h; | |
f38a2680 | 1092 | return false; |
decc3638 | 1093 | } |
f38a2680 | 1094 | return true; |
252b5132 RH |
1095 | } |
1096 | ||
67f101ee NC |
1097 | /* Change UNDEF to a defined symbol, taking data from SYM. */ |
1098 | ||
1099 | static void | |
1100 | change_undef (struct bfd_link_hash_entry * undef, | |
1101 | struct bfd_link_hash_entry * sym) | |
1102 | { | |
f38a2680 | 1103 | static bool gave_warning_message = false; |
67f101ee NC |
1104 | |
1105 | undef->type = bfd_link_hash_defined; | |
1106 | undef->u.def.value = sym->u.def.value; | |
1107 | undef->u.def.section = sym->u.def.section; | |
1108 | ||
1109 | if (pe_enable_stdcall_fixup == -1) | |
1110 | { | |
df5f2391 | 1111 | einfo (_("%P: warning: resolving %s by linking to %s\n"), |
67f101ee NC |
1112 | undef->root.string, sym->root.string); |
1113 | ||
1114 | if (! gave_warning_message) | |
1115 | { | |
1116 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); | |
1117 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
f38a2680 | 1118 | gave_warning_message = true; |
67f101ee NC |
1119 | } |
1120 | } | |
1121 | ||
1122 | /* PR 19803: Make sure that the linked symbol is not garbage collected. */ | |
1123 | lang_add_gc_name (sym->root.string); | |
1124 | } | |
1125 | ||
252b5132 | 1126 | static void |
0c7a8e5a | 1127 | pe_fixup_stdcalls (void) |
252b5132 | 1128 | { |
252b5132 | 1129 | struct bfd_link_hash_entry *undef, *sym; |
c9e38879 | 1130 | |
3fc90ddb | 1131 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1132 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1133 | |
f6e332e6 | 1134 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1135 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1136 | { |
67f101ee NC |
1137 | const char * name = undef->root.string; |
1138 | char * at; | |
1139 | int lead_at = (*name == '@'); | |
1140 | ||
8a9eab9b | 1141 | if (lead_at) |
67f101ee NC |
1142 | at = strchr (name + 1, '@'); |
1143 | else | |
1144 | at = strchr (name, '@'); | |
b34976b6 | 1145 | |
8a9eab9b | 1146 | if (at || lead_at) |
c9e38879 NC |
1147 | { |
1148 | /* The symbol is a stdcall symbol, so let's look for a | |
1149 | cdecl symbol with the same name and resolve to that. */ | |
67f101ee | 1150 | char *cname = xstrdup (name); |
8a9eab9b KT |
1151 | |
1152 | if (lead_at) | |
1153 | *cname = '_'; | |
6c19b93b | 1154 | if (at) |
67f101ee | 1155 | * strchr (cname, '@') = 0; |
f38a2680 | 1156 | sym = bfd_link_hash_lookup (link_info.hash, cname, false, false, true); |
c9e38879 NC |
1157 | |
1158 | if (sym && sym->type == bfd_link_hash_defined) | |
67f101ee | 1159 | change_undef (undef, sym); |
c9e38879 NC |
1160 | } |
1161 | else | |
1162 | { | |
1163 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1164 | symbols - which means scanning the whole symbol table. */ |
67f101ee | 1165 | pe_undef_found_sym = NULL; |
c9e38879 | 1166 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
67f101ee NC |
1167 | (char *) name); |
1168 | if (pe_undef_found_sym) | |
1169 | change_undef (undef, pe_undef_found_sym); | |
c9e38879 | 1170 | } |
252b5132 | 1171 | } |
252b5132 | 1172 | } |
decc3638 | 1173 | |
317ff008 EB |
1174 | static void |
1175 | make_import_fixup (arelent *rel, asection *s, char *name, const char *symname) | |
decc3638 | 1176 | { |
fc0a2244 | 1177 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1178 | char addend[4]; |
317ff008 | 1179 | bfd_vma _addend; |
decc3638 | 1180 | |
3fc90ddb | 1181 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1182 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1183 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1184 | |
c99b8138 | 1185 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
df5f2391 | 1186 | einfo (_("%P: %C: cannot get section contents - auto-import exception\n"), |
c9e38879 | 1187 | s->owner, s, rel->address); |
0d888aac | 1188 | |
317ff008 EB |
1189 | _addend = bfd_get_32 (s->owner, addend); |
1190 | pe_create_import_fixup (rel, s, _addend, name, symname); | |
decc3638 | 1191 | } |
252b5132 | 1192 | |
f38a2680 | 1193 | static bool |
0c7a8e5a | 1194 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1195 | { |
80cc85a9 | 1196 | printf ("+%s\n", h->string); |
c9e38879 | 1197 | |
f38a2680 | 1198 | return true; |
decc3638 | 1199 | } |
4b83d615 | 1200 | #endif /* DLL_SUPPORT */ |
decc3638 | 1201 | |
e4492aa0 | 1202 | static void |
3efd345c DK |
1203 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1204 | { | |
1205 | int *found = (int *) obj; | |
1206 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1207 | *found = 1; | |
1208 | } | |
decc3638 | 1209 | |
f38a2680 | 1210 | static bool |
61e2488c JT |
1211 | pecoff_checksum_contents (bfd *abfd, |
1212 | void (*process) (const void *, size_t, void *), | |
1213 | void *arg) | |
1214 | { | |
1215 | file_ptr filepos = (file_ptr) 0; | |
1216 | ||
1217 | while (1) | |
1218 | { | |
1219 | unsigned char b; | |
1220 | int status; | |
1221 | ||
1222 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1223 | return 0; | |
1224 | ||
1225 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1226 | if (status < 1) | |
6c19b93b AM |
1227 | { |
1228 | break; | |
1229 | } | |
61e2488c JT |
1230 | |
1231 | (*process) (&b, 1, arg); | |
1232 | filepos += 1; | |
1233 | } | |
1234 | ||
f38a2680 | 1235 | return true; |
61e2488c JT |
1236 | } |
1237 | ||
f38a2680 | 1238 | static bool |
61e2488c JT |
1239 | write_build_id (bfd *abfd) |
1240 | { | |
1241 | struct pe_tdata *t = pe_data (abfd); | |
1242 | asection *asec; | |
1243 | struct bfd_link_order *link_order = NULL; | |
1244 | unsigned char *contents; | |
1245 | bfd_size_type size; | |
1246 | bfd_size_type build_id_size; | |
1247 | unsigned char *build_id; | |
1248 | ||
74fffc39 | 1249 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1250 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1251 | { | |
1252 | struct bfd_link_order *l = NULL; | |
1253 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
6c19b93b AM |
1254 | { |
1255 | if (l->type == bfd_indirect_link_order) | |
1256 | { | |
1257 | if (l->u.indirect.section == t->build_id.sec) | |
1258 | { | |
1259 | link_order = l; | |
1260 | break; | |
1261 | } | |
1262 | } | |
1263 | } | |
61e2488c JT |
1264 | |
1265 | if (link_order) | |
6c19b93b | 1266 | break; |
61e2488c JT |
1267 | } |
1268 | ||
1269 | if (!link_order) | |
1270 | { | |
74fffc39 | 1271 | einfo (_("%P: warning: .buildid section discarded," |
df5f2391 | 1272 | " --build-id ignored\n")); |
f38a2680 | 1273 | return true; |
61e2488c JT |
1274 | } |
1275 | ||
1276 | if (t->build_id.sec->contents == NULL) | |
1277 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1278 | contents = t->build_id.sec->contents; | |
1279 | size = t->build_id.sec->size; | |
1280 | ||
1281 | build_id_size = compute_build_id_size (t->build_id.style); | |
1282 | build_id = xmalloc (build_id_size); | |
1283 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1284 | ||
1285 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1286 | ||
1287 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1288 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1289 | idd.Characteristics = 0; | |
1290 | idd.TimeDateStamp = 0; | |
1291 | idd.MajorVersion = 0; | |
1292 | idd.MinorVersion = 0; | |
1293 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1294 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1295 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1296 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1297 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1298 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1299 | ||
1300 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1301 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1302 | ||
1303 | /* Write the debug directory entry. */ | |
1304 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1305 | return 0; | |
1306 | ||
b6518b38 | 1307 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1308 | return 0; |
1309 | ||
1310 | /* Construct the CodeView record. */ | |
1311 | CODEVIEW_INFO cvinfo; | |
1312 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1313 | cvinfo.Age = 1; | |
1314 | ||
1315 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1316 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1317 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1318 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1319 | ||
1320 | free (build_id); | |
1321 | ||
1322 | /* Write the codeview record. */ | |
1323 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1324 | return 0; | |
1325 | ||
1326 | /* Record the location of the debug directory in the data directory. */ | |
1327 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1328 | = asec->vma - ib + link_order->offset; | |
1329 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1330 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1331 | ||
f38a2680 | 1332 | return true; |
61e2488c JT |
1333 | } |
1334 | ||
74fffc39 | 1335 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
f38a2680 | 1336 | static bool |
61e2488c JT |
1337 | setup_build_id (bfd *ibfd) |
1338 | { | |
1339 | asection *s; | |
1340 | flagword flags; | |
1341 | ||
1342 | if (!validate_build_id_style (emit_build_id)) | |
1343 | { | |
df5f2391 | 1344 | einfo (_("%P: warning: unrecognized --build-id style ignored\n")); |
f38a2680 | 1345 | return false; |
61e2488c JT |
1346 | } |
1347 | ||
1348 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1349 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1350 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1351 | if (s != NULL) |
1352 | { | |
1353 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1354 | t->build_id.after_write_object_contents = &write_build_id; | |
1355 | t->build_id.style = emit_build_id; | |
1356 | t->build_id.sec = s; | |
1357 | ||
1358 | /* Section is a fixed size: | |
1359 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1360 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1361 | null byte for PdbFileName. */ | |
1362 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1363 | + sizeof (CV_INFO_PDB70) + 1; | |
1364 | ||
f38a2680 | 1365 | return true; |
61e2488c JT |
1366 | } |
1367 | ||
df5f2391 AM |
1368 | einfo (_("%P: warning: cannot create .buildid section," |
1369 | " --build-id ignored\n")); | |
f38a2680 | 1370 | return false; |
61e2488c JT |
1371 | } |
1372 | ||
252b5132 | 1373 | static void |
0c7a8e5a | 1374 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1375 | { |
5c3049d2 AM |
1376 | after_open_default (); |
1377 | ||
4b83d615 | 1378 | #ifdef DLL_SUPPORT |
3fc90ddb | 1379 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1380 | { |
1381 | bfd *a; | |
1382 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1383 | |
decc3638 CW |
1384 | printf ("%s()\n", __FUNCTION__); |
1385 | ||
f6e332e6 | 1386 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1387 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1388 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1389 | |
c72f2fb2 | 1390 | for (a = link_info.input_bfds; a; a = a->link.next) |
607b4833 | 1391 | printf ("*%s\n", bfd_get_filename (a)); |
decc3638 | 1392 | } |
4b83d615 | 1393 | #endif |
3fc90ddb | 1394 | |
61e2488c JT |
1395 | if (emit_build_id != NULL) |
1396 | { | |
1397 | bfd *abfd; | |
1398 | ||
1399 | /* Find a COFF input. */ | |
1400 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1401 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1402 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1403 | break; | |
1404 | ||
1405 | /* If there are no COFF input files do not try to | |
1406 | add a build-id section. */ | |
1407 | if (abfd == NULL | |
1408 | || !setup_build_id (abfd)) | |
1409 | { | |
1410 | free ((char *) emit_build_id); | |
1411 | emit_build_id = NULL; | |
1412 | } | |
1413 | } | |
1414 | ||
252b5132 RH |
1415 | /* Pass the wacky PE command line options into the output bfd. |
1416 | FIXME: This should be done via a function, rather than by | |
1417 | including an internal BFD header. */ | |
3fc90ddb | 1418 | |
eabf307f AM |
1419 | if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour |
1420 | || coff_data (link_info.output_bfd) == NULL | |
f13a99db | 1421 | || coff_data (link_info.output_bfd)->pe == 0) |
df5f2391 | 1422 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"), |
f13a99db | 1423 | link_info.output_bfd); |
252b5132 | 1424 | |
f13a99db AM |
1425 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1426 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1427 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
00386881 NC |
1428 | if (insert_timestamp) |
1429 | pe_data (link_info.output_bfd)->timestamp = -1; | |
1430 | else | |
1431 | pe_data (link_info.output_bfd)->timestamp = 0; | |
3efd345c DK |
1432 | |
1433 | /* At this point we must decide whether to use long section names | |
1434 | in the output or not. If the user hasn't explicitly specified | |
1435 | on the command line, we leave it to the default for the format | |
1436 | (object files yes, image files no), except if there is debug | |
1437 | information present; GDB relies on the long section names to | |
1438 | find it, so enable it in that case. */ | |
1439 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1440 | { | |
0e1862bb | 1441 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1442 | pe_use_coff_long_section_names = 1; |
1443 | else | |
3efd345c | 1444 | { |
61e2488c JT |
1445 | /* Iterate over all sections of all input BFDs, checking |
1446 | for any that begin 'debug_' and are long names. */ | |
1447 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1448 | { | |
1449 | int found_debug = 0; | |
1450 | ||
1451 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1452 | if (found_debug) | |
1453 | { | |
1454 | pe_use_coff_long_section_names = 1; | |
1455 | break; | |
1456 | } | |
1457 | } | |
3efd345c DK |
1458 | } |
1459 | } | |
1460 | ||
88183869 | 1461 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1462 | |
c6c37250 | 1463 | #ifdef DLL_SUPPORT |
f13a99db | 1464 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1465 | |
317ff008 EB |
1466 | if (link_info.pei386_auto_import) /* -1=warn or 1=enable */ |
1467 | pe_find_data_imports (U ("_head_"), make_import_fixup); | |
decc3638 | 1468 | |
317ff008 EB |
1469 | /* The implementation of the feature is rather dumb and would cause the |
1470 | compilation time to go through the roof if there are many undefined | |
1471 | symbols in the link, so it needs to be run after auto-import. */ | |
1472 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */ | |
8a9eab9b KT |
1473 | pe_fixup_stdcalls (); |
1474 | ||
7148cc28 NC |
1475 | #if defined (TARGET_IS_i386pe) \ |
1476 | || defined (TARGET_IS_armpe) \ | |
7148cc28 | 1477 | || defined (TARGET_IS_arm_wince_pe) |
0e1862bb | 1478 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1479 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1480 | #else |
0e1862bb | 1481 | if (bfd_link_pic (&link_info)) |
f13a99db | 1482 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1483 | else |
1484 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1485 | #endif |
7148cc28 | 1486 | #endif /* DLL_SUPPORT */ |
252b5132 | 1487 | |
ddb00039 | 1488 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1489 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1490 | { |
1491 | /* The arm backend needs special fields in the output hash structure. | |
1492 | These will only be created if the output format is an arm format, | |
1493 | hence we do not support linking and changing output formats at the | |
1494 | same time. Use a link followed by objcopy to change output formats. */ | |
df5f2391 AM |
1495 | einfo (_("%F%P: error: cannot change output format " |
1496 | "whilst linking %s binaries\n"), "ARM"); | |
f11523b0 NC |
1497 | return; |
1498 | } | |
252b5132 RH |
1499 | { |
1500 | /* Find a BFD that can hold the interworking stubs. */ | |
1501 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1502 | { | |
7148cc28 | 1503 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1504 | break; |
1505 | } | |
1506 | } | |
1507 | #endif | |
c6c37250 | 1508 | |
486e80e2 | 1509 | { |
486e80e2 DD |
1510 | /* This next chunk of code tries to detect the case where you have |
1511 | two import libraries for the same DLL (specifically, | |
1512 | symbolically linking libm.a and libc.a in cygwin to | |
1513 | libcygwin.a). In those cases, it's possible for function | |
1514 | thunks from the second implib to be used but without the | |
1515 | head/tail objects, causing an improper import table. We detect | |
1516 | those cases and rename the "other" import libraries to match | |
1517 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1518 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1519 | |
1520 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1521 | { | |
1522 | if (is->the_bfd->my_archive) | |
1523 | { | |
1524 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1525 | asection *sec; | |
3fc90ddb | 1526 | |
6e45556a | 1527 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1528 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1529 | { | |
1530 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1531 | idata2 = 1; | |
08dedd66 | 1532 | if (startswith (sec->name, ".idata\$")) |
486e80e2 DD |
1533 | is_imp = 1; |
1534 | reloc_count += sec->reloc_count; | |
1535 | } | |
3fc90ddb | 1536 | |
486e80e2 DD |
1537 | if (is_imp && !idata2 && reloc_count) |
1538 | { | |
6e45556a NC |
1539 | /* It is, look for the reference to head and see if it's |
1540 | from our own library. */ | |
486e80e2 DD |
1541 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1542 | { | |
1543 | int i; | |
6e45556a | 1544 | long relsize; |
102c86f8 | 1545 | asymbol **symbols; |
102c86f8 NC |
1546 | arelent **relocs; |
1547 | int nrelocs; | |
3fc90ddb | 1548 | |
102c86f8 | 1549 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1550 | if (relsize < 1) |
1551 | break; | |
3fc90ddb | 1552 | |
5c1d2f5f | 1553 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1554 | { |
df5f2391 | 1555 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f | 1556 | is->the_bfd); |
6e45556a NC |
1557 | return; |
1558 | } | |
5c1d2f5f | 1559 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1560 | |
d127ecce | 1561 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1562 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1563 | relocs, symbols); |
6e45556a NC |
1564 | if (nrelocs < 0) |
1565 | { | |
1566 | free (relocs); | |
d003af55 | 1567 | einfo (_("%X%P: unable to process relocs: %E\n")); |
6e45556a NC |
1568 | return; |
1569 | } | |
3fc90ddb | 1570 | |
6e45556a | 1571 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1572 | { |
fc0a2244 | 1573 | struct bfd_symbol *s; |
6e45556a | 1574 | struct bfd_link_hash_entry * blhe; |
b16c44de | 1575 | const char *other_bfd_filename; |
3fc90ddb | 1576 | |
486e80e2 | 1577 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1578 | |
6e45556a NC |
1579 | if (s->flags & BSF_LOCAL) |
1580 | continue; | |
3fc90ddb | 1581 | |
6e45556a NC |
1582 | /* Thunk section with reloc to another bfd. */ |
1583 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1584 | s->name, | |
f38a2680 | 1585 | false, false, true); |
3fc90ddb | 1586 | |
6e45556a NC |
1587 | if (blhe == NULL |
1588 | || blhe->type != bfd_link_hash_defined) | |
1589 | continue; | |
3fc90ddb | 1590 | |
2a08daf3 DS |
1591 | other_bfd_filename |
1592 | = blhe->u.def.section->owner->my_archive | |
1593 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1594 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1595 | |
42627821 KT |
1596 | if (filename_cmp (bfd_get_filename |
1597 | (is->the_bfd->my_archive), | |
1598 | other_bfd_filename) == 0) | |
6e45556a | 1599 | continue; |
3fc90ddb | 1600 | |
c034e3e0 | 1601 | /* Rename this implib to match the other one. */ |
7b958a48 AM |
1602 | if (!bfd_set_filename (is->the_bfd->my_archive, |
1603 | other_bfd_filename)) | |
1604 | einfo ("%F%P: %pB: %E\n", is->the_bfd); | |
486e80e2 DD |
1605 | } |
1606 | ||
1607 | free (relocs); | |
6e45556a NC |
1608 | /* Note - we do not free the symbols, |
1609 | they are now cached in the BFD. */ | |
486e80e2 DD |
1610 | } |
1611 | } | |
1612 | } | |
1613 | } | |
1614 | } | |
1615 | ||
c6c37250 | 1616 | { |
f0c87f88 | 1617 | int is_ms_arch = 0; |
1069dd8d | 1618 | bfd *cur_arch = 0; |
c6c37250 | 1619 | lang_input_statement_type *is2; |
44dbf363 | 1620 | lang_input_statement_type *is3; |
1069dd8d | 1621 | |
c6c37250 DD |
1622 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1623 | /* Microsoft import libraries have every member named the same, | |
1624 | and not in the right order for us to link them correctly. We | |
1625 | must detect these and rename the members so that they'll link | |
1626 | correctly. There are three types of objects: the head, the | |
1627 | thunks, and the sentinel(s). The head is easy; it's the one | |
1628 | with idata2. We assume that the sentinels won't have relocs, | |
1629 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1630 | table for external references. */ |
c6c37250 DD |
1631 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1632 | { | |
1633 | if (is->the_bfd->my_archive) | |
1634 | { | |
44dbf363 | 1635 | char *pnt; |
c6c37250 | 1636 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1637 | |
c6c37250 DD |
1638 | if (cur_arch != arch) |
1639 | { | |
1640 | cur_arch = arch; | |
1641 | is_ms_arch = 1; | |
44dbf363 NC |
1642 | |
1643 | for (is3 = is; | |
1644 | is3 && is3->the_bfd->my_archive == arch; | |
1645 | is3 = (lang_input_statement_type *) is3->next) | |
1646 | { | |
1af699f4 | 1647 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1648 | members, so look for the first element with a .dll |
1649 | extension, and use that for the remainder of the | |
1650 | comparisons. */ | |
607b4833 | 1651 | pnt = strrchr (bfd_get_filename (is3->the_bfd), '.'); |
42627821 | 1652 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1653 | break; |
44dbf363 NC |
1654 | } |
1655 | ||
1656 | if (is3 == NULL) | |
1657 | is_ms_arch = 0; | |
1658 | else | |
c6c37250 | 1659 | { |
44dbf363 NC |
1660 | /* OK, found one. Now look to see if the remaining |
1661 | (dynamic import) members use the same name. */ | |
1662 | for (is2 = is; | |
1663 | is2 && is2->the_bfd->my_archive == arch; | |
1664 | is2 = (lang_input_statement_type *) is2->next) | |
1665 | { | |
1666 | /* Skip static members, ie anything with a .obj | |
1667 | extension. */ | |
607b4833 | 1668 | pnt = strrchr (bfd_get_filename (is2->the_bfd), '.'); |
42627821 | 1669 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1670 | continue; |
1671 | ||
607b4833 AM |
1672 | if (filename_cmp (bfd_get_filename (is3->the_bfd), |
1673 | bfd_get_filename (is2->the_bfd))) | |
44dbf363 NC |
1674 | { |
1675 | is_ms_arch = 0; | |
1676 | break; | |
1677 | } | |
1678 | } | |
c6c37250 DD |
1679 | } |
1680 | } | |
1681 | ||
44dbf363 NC |
1682 | /* This fragment might have come from an .obj file in a Microsoft |
1683 | import, and not an actual import record. If this is the case, | |
1684 | then leave the filename alone. */ | |
607b4833 | 1685 | pnt = strrchr (bfd_get_filename (is->the_bfd), '.'); |
44dbf363 | 1686 | |
42627821 | 1687 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1688 | { |
1069dd8d | 1689 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1690 | asection *sec; |
1691 | char *new_name, seq; | |
1069dd8d | 1692 | |
c6c37250 DD |
1693 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1694 | { | |
1695 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1696 | idata2 = 1; | |
1697 | reloc_count += sec->reloc_count; | |
1698 | } | |
1699 | ||
1700 | if (idata2) /* .idata2 is the TOC */ | |
1701 | seq = 'a'; | |
1702 | else if (reloc_count > 0) /* thunks */ | |
1703 | seq = 'b'; | |
1704 | else /* sentinel */ | |
1705 | seq = 'c'; | |
1706 | ||
7b958a48 AM |
1707 | new_name |
1708 | = xmalloc (strlen (bfd_get_filename (is->the_bfd)) + 3); | |
1709 | sprintf (new_name, "%s.%c", | |
1710 | bfd_get_filename (is->the_bfd), seq); | |
1711 | is->filename = bfd_set_filename (is->the_bfd, new_name); | |
1712 | free (new_name); | |
1713 | if (!is->filename) | |
1714 | einfo ("%F%P: %pB: %E\n", is->the_bfd); | |
c6c37250 DD |
1715 | } |
1716 | } | |
1717 | } | |
1718 | } | |
54727719 NC |
1719 | |
1720 | { | |
1721 | /* The following chunk of code tries to identify jump stubs in | |
1722 | import libraries which are dead code and eliminates them | |
1723 | from the final link. For each exported symbol <sym>, there | |
1724 | is a object file in the import library with a .text section | |
d34c1c51 | 1725 | and several .idata\$* sections. The .text section contains the |
54727719 | 1726 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1727 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1728 | for __imp_<sym> which is the address of the slot for <sym> in |
1729 | the import address table. When a symbol is imported explicitly | |
1730 | using __declspec(dllimport) declaration, the compiler generates | |
1731 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1732 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1733 | needed. The following code tries to identify jump stub sections |
1734 | in import libraries which are not referred to by anyone and | |
1735 | marks them for exclusion from the final link. */ | |
1736 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1737 | { | |
1738 | if (is->the_bfd->my_archive) | |
1739 | { | |
1740 | int is_imp = 0; | |
1741 | asection *sec, *stub_sec = NULL; | |
1742 | ||
1743 | /* See if this is an import library thunk. */ | |
1744 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1745 | { | |
1746 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1747 | is_imp = 1; | |
1748 | /* The section containing the jmp stub has code | |
1749 | and has a reloc. */ | |
1750 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1751 | stub_sec = sec; | |
1752 | } | |
92b93329 | 1753 | |
54727719 NC |
1754 | if (is_imp && stub_sec) |
1755 | { | |
54727719 | 1756 | asymbol **symbols; |
5c1d2f5f | 1757 | long nsyms, src_count; |
54727719 NC |
1758 | struct bfd_link_hash_entry * blhe; |
1759 | ||
5c1d2f5f AM |
1760 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1761 | { | |
df5f2391 | 1762 | einfo (_("%F%P: %pB: could not read symbols: %E\n"), |
5c1d2f5f AM |
1763 | is->the_bfd); |
1764 | return; | |
1765 | } | |
1766 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1767 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1768 | |
5c1d2f5f | 1769 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1770 | { |
1771 | if (symbols[src_count]->section->id == stub_sec->id) | |
1772 | { | |
1773 | /* This symbol belongs to the section containing | |
1774 | the stub. */ | |
1775 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1776 | symbols[src_count]->name, | |
f38a2680 | 1777 | false, false, true); |
54727719 NC |
1778 | /* If the symbol in the stub section has no other |
1779 | undefined references, exclude the stub section | |
1780 | from the final link. */ | |
e0605dbe AM |
1781 | if (blhe != NULL |
1782 | && blhe->type == bfd_link_hash_defined | |
1783 | && blhe->u.undef.next == NULL | |
1784 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1785 | stub_sec->flags |= SEC_EXCLUDE; |
1786 | } | |
1787 | } | |
54727719 NC |
1788 | } |
1789 | } | |
1790 | } | |
1791 | } | |
252b5132 RH |
1792 | } |
1793 | \f | |
3fc90ddb | 1794 | static void |
0c7a8e5a | 1795 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 | 1796 | { |
ddb00039 | 1797 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1798 | /* FIXME: we should be able to set the size of the interworking stub |
1799 | section. | |
1800 | ||
1801 | Here we rummage through the found bfds to collect glue | |
1802 | information. FIXME: should this be based on a command line | |
c9e38879 | 1803 | option? krk@cygnus.com. */ |
252b5132 RH |
1804 | { |
1805 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1806 | { | |
7148cc28 | 1807 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1808 | (is->the_bfd, & link_info, support_old_code)) |
1809 | { | |
1810 | /* xgettext:c-format */ | |
df5f2391 | 1811 | einfo (_("%P: errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1812 | is->filename); |
1813 | } | |
1814 | } | |
1815 | } | |
1816 | ||
c9e38879 | 1817 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 | 1818 | bfd_arm_allocate_interworking_sections (& link_info); |
ddb00039 | 1819 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */ |
8423293d | 1820 | |
1e035701 | 1821 | before_allocation_default (); |
252b5132 RH |
1822 | } |
1823 | \f | |
690a460e | 1824 | #ifdef DLL_SUPPORT |
252b5132 | 1825 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1826 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1827 | |
252b5132 | 1828 | static int |
0c7a8e5a | 1829 | saw_option (char *option) |
252b5132 RH |
1830 | { |
1831 | int i; | |
c9e38879 NC |
1832 | |
1833 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1834 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1835 | return init[i].inited; |
1836 | return 0; | |
1837 | } | |
690a460e | 1838 | #endif /* DLL_SUPPORT */ |
252b5132 | 1839 | |
f38a2680 | 1840 | static bool |
0c7a8e5a | 1841 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1842 | { |
c6c37250 | 1843 | #ifdef DLL_SUPPORT |
252b5132 RH |
1844 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1845 | ||
42627821 | 1846 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1847 | { |
f2d3750d | 1848 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1849 | |
1850 | if (pe_def_file) | |
252b5132 | 1851 | { |
c9e38879 NC |
1852 | int i, buflen=0, len; |
1853 | char *buf; | |
252b5132 | 1854 | |
c9e38879 | 1855 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1856 | { |
939ba9d0 | 1857 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1858 | if (buflen < len + 2) |
1859 | buflen = len + 2; | |
252b5132 | 1860 | } |
252b5132 | 1861 | |
d127ecce | 1862 | buf = xmalloc (buflen); |
252b5132 | 1863 | |
c9e38879 NC |
1864 | for (i = 0; i < pe_def_file->num_exports; i++) |
1865 | { | |
1866 | struct bfd_link_hash_entry *h; | |
1867 | ||
522f09cd | 1868 | sprintf (buf, "%s%s", U (""), |
6c19b93b | 1869 | pe_def_file->exports[i].internal_name); |
c9e38879 | 1870 | |
f38a2680 | 1871 | h = bfd_link_hash_lookup (link_info.hash, buf, true, true, true); |
c9e38879 | 1872 | if (h == (struct bfd_link_hash_entry *) NULL) |
df5f2391 | 1873 | einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n")); |
c9e38879 NC |
1874 | if (h->type == bfd_link_hash_new) |
1875 | { | |
1876 | h->type = bfd_link_hash_undefined; | |
1877 | h->u.undef.abfd = NULL; | |
1878 | bfd_link_add_undef (link_info.hash, h); | |
1879 | } | |
1880 | } | |
1881 | free (buf); | |
1882 | ||
1883 | /* def_file_print (stdout, pe_def_file); */ | |
1884 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1885 | link_info.type = type_dll; |
c9e38879 NC |
1886 | |
1887 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1888 | { | |
f13a99db AM |
1889 | pe.ImageBase |
1890 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1891 | = init[IMAGEBASEOFF].value | |
1892 | = pe_def_file->base_address; | |
c9e38879 NC |
1893 | init[IMAGEBASEOFF].inited = 1; |
1894 | if (image_base_statement) | |
eb8476a6 MR |
1895 | image_base_statement->exp |
1896 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
f38a2680 | 1897 | false); |
c9e38879 | 1898 | } |
252b5132 | 1899 | |
c9e38879 NC |
1900 | if (pe_def_file->stack_reserve != -1 |
1901 | && ! saw_option ("__size_of_stack_reserve__")) | |
1902 | { | |
1903 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1904 | if (pe_def_file->stack_commit != -1) | |
1905 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1906 | } | |
1907 | if (pe_def_file->heap_reserve != -1 | |
1908 | && ! saw_option ("__size_of_heap_reserve__")) | |
1909 | { | |
1910 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1911 | if (pe_def_file->heap_commit != -1) | |
1912 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1913 | } | |
f38a2680 | 1914 | return true; |
c9e38879 | 1915 | } |
252b5132 | 1916 | } |
252b5132 | 1917 | #endif |
f38a2680 | 1918 | return false; |
252b5132 RH |
1919 | } |
1920 | ||
f38a2680 | 1921 | static bool |
0c7a8e5a | 1922 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1923 | { |
c6c37250 | 1924 | #ifdef DLL_SUPPORT |
252b5132 | 1925 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1926 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1927 | #endif |
1928 | #ifdef TARGET_IS_shpe | |
1929 | pe_dll_id_target ("pei-shl"); | |
1930 | #endif | |
344a211f NC |
1931 | #ifdef TARGET_IS_armpe |
1932 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 | 1933 | #endif |
7148cc28 NC |
1934 | #ifdef TARGET_IS_arm_wince_pe |
1935 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1936 | #endif |
ff2bdb9c CF |
1937 | if (pe_bfd_is_dll (entry->the_bfd)) |
1938 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1939 | #endif |
f38a2680 | 1940 | return false; |
252b5132 RH |
1941 | } |
1942 | ||
1943 | static void | |
0c7a8e5a | 1944 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1945 | { |
ddb00039 | 1946 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1947 | struct bfd_link_hash_entry * h; |
1948 | ||
1949 | if (thumb_entry_symbol != NULL) | |
1950 | { | |
b34976b6 | 1951 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
f38a2680 | 1952 | false, false, true); |
3fc90ddb | 1953 | |
6f798e5c NC |
1954 | if (h != (struct bfd_link_hash_entry *) NULL |
1955 | && (h->type == bfd_link_hash_defined | |
1956 | || h->type == bfd_link_hash_defweak) | |
1957 | && h->u.def.section->output_section != NULL) | |
1958 | { | |
1959 | static char buffer[32]; | |
1960 | bfd_vma val; | |
3fc90ddb | 1961 | |
6f798e5c NC |
1962 | /* Special procesing is required for a Thumb entry symbol. The |
1963 | bottom bit of its address must be set. */ | |
1964 | val = (h->u.def.value | |
fd361982 | 1965 | + bfd_section_vma (h->u.def.section->output_section) |
6f798e5c | 1966 | + h->u.def.section->output_offset); |
3fc90ddb | 1967 | |
6f798e5c | 1968 | val |= 1; |
3fc90ddb | 1969 | |
6f798e5c NC |
1970 | /* Now convert this value into a string and store it in entry_symbol |
1971 | where the lang_finish() function will pick it up. */ | |
1972 | buffer[0] = '0'; | |
1973 | buffer[1] = 'x'; | |
3fc90ddb | 1974 | |
6f798e5c | 1975 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1976 | |
e3e942e9 | 1977 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1978 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1979 | thumb_entry_symbol, entry_symbol.name); |
1980 | entry_symbol.name = buffer; | |
6f798e5c NC |
1981 | } |
1982 | else | |
c58dea77 | 1983 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1984 | } |
ddb00039 | 1985 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1986 | |
1e035701 AM |
1987 | finish_default (); |
1988 | ||
c6c37250 | 1989 | #ifdef DLL_SUPPORT |
0e1862bb | 1990 | if (bfd_link_pic (&link_info) |
e8044f35 | 1991 | #if !defined(TARGET_IS_shpe) |
dc9bd8c9 | 1992 | || pe_dll_enable_reloc_section |
0e1862bb L |
1993 | || (!bfd_link_relocatable (&link_info) |
1994 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
1995 | #endif |
1996 | ) | |
252b5132 | 1997 | { |
f13a99db | 1998 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
9cdc5bac | 1999 | if (command_line.out_implib_filename |
51dee44b JD |
2000 | && (pe_def_file->num_exports != 0 |
2001 | || bfd_link_pic (&link_info))) | |
76359541 TP |
2002 | pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename, |
2003 | &link_info); | |
252b5132 | 2004 | } |
e8044f35 | 2005 | #if defined(TARGET_IS_shpe) |
690a460e | 2006 | /* ARM doesn't need relocs. */ |
344a211f NC |
2007 | else |
2008 | { | |
f13a99db | 2009 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
2010 | } |
2011 | #endif | |
3fc90ddb | 2012 | |
252b5132 RH |
2013 | if (pe_out_def_filename) |
2014 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 2015 | #endif /* DLL_SUPPORT */ |
decc3638 | 2016 | |
c9e38879 | 2017 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 2018 | { |
f13a99db | 2019 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 2020 | |
decc3638 CW |
2021 | if (asec) |
2022 | { | |
1af699f4 AM |
2023 | asec->flags &= ~SEC_CODE; |
2024 | asec->flags |= SEC_DATA; | |
decc3638 CW |
2025 | } |
2026 | } | |
252b5132 RH |
2027 | } |
2028 | ||
2029 | \f | |
2030 | /* Place an orphan section. | |
2031 | ||
2032 | We use this to put sections in a reasonable place in the file, and | |
2033 | to ensure that they are aligned as required. | |
2034 | ||
d34c1c51 | 2035 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
2036 | goes into the output section .foo. All grouped sections are sorted |
2037 | by name. | |
2038 | ||
2039 | Grouped sections for the default sections are handled by the | |
2040 | default linker script using wildcards, and are sorted by | |
2041 | sort_sections. */ | |
2042 | ||
c2edb4b8 | 2043 | static lang_output_section_statement_type * |
8a99a385 AM |
2044 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2045 | const char *secname, | |
2046 | int constraint) | |
252b5132 | 2047 | { |
bcacc0f5 | 2048 | const char *orig_secname = secname; |
f0c87f88 | 2049 | char *dollar = NULL; |
aea4bd9d | 2050 | lang_output_section_statement_type *os; |
5ba47421 | 2051 | lang_statement_list_type add_child; |
b5f14a6d | 2052 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2053 | lang_statement_union_type **pl; |
252b5132 | 2054 | |
252b5132 | 2055 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2056 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2057 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2058 | { |
bcacc0f5 | 2059 | size_t len = dollar - secname; |
afd7a018 | 2060 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2061 | memcpy (newname, secname, len); |
afd7a018 AM |
2062 | newname[len] = '\0'; |
2063 | secname = newname; | |
6eec49fc | 2064 | } |
252b5132 | 2065 | |
5ba47421 AM |
2066 | lang_list_init (&add_child); |
2067 | ||
d127ecce AM |
2068 | os = NULL; |
2069 | if (constraint == 0) | |
2070 | for (os = lang_output_section_find (secname); | |
2071 | os != NULL; | |
2072 | os = next_matching_output_section_statement (os, 0)) | |
2073 | { | |
2074 | /* If we don't match an existing output section, tell | |
2075 | lang_insert_orphan to create a new output section. */ | |
2076 | constraint = SPECIAL; | |
2077 | ||
2078 | if (os->bfd_section != NULL | |
2079 | && (os->bfd_section->flags == 0 | |
2080 | || ((s->flags ^ os->bfd_section->flags) | |
2081 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2082 | { | |
2083 | /* We already have an output section statement with this | |
2084 | name, and its bfd section has compatible flags. | |
2085 | If the section already exists but does not have any flags set, | |
2086 | then it has been created by the linker, probably as a result of | |
2087 | a --section-start command line switch. */ | |
b209b5a6 | 2088 | lang_add_section (&add_child, s, NULL, NULL, os); |
d127ecce AM |
2089 | break; |
2090 | } | |
b5f14a6d DD |
2091 | |
2092 | /* Save unused output sections in case we can match them | |
2093 | against orphans later. */ | |
2094 | if (os->bfd_section == NULL) | |
2095 | match_by_name = os; | |
d127ecce AM |
2096 | } |
2097 | ||
b5f14a6d DD |
2098 | /* If we didn't match an active output section, see if we matched an |
2099 | unused one and use that. */ | |
2100 | if (os == NULL && match_by_name) | |
2101 | { | |
b209b5a6 | 2102 | lang_add_section (&match_by_name->children, s, NULL, NULL, match_by_name); |
b5f14a6d DD |
2103 | return match_by_name; |
2104 | } | |
2105 | ||
d127ecce | 2106 | if (os == NULL) |
252b5132 | 2107 | { |
afd7a018 AM |
2108 | static struct orphan_save hold[] = |
2109 | { | |
2110 | { ".text", | |
2111 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2112 | 0, 0, 0, 0 }, | |
d4874973 KT |
2113 | { ".idata", |
2114 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2115 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2116 | { ".rdata", |
2117 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2118 | 0, 0, 0, 0 }, | |
2119 | { ".data", | |
2120 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2121 | 0, 0, 0, 0 }, | |
2122 | { ".bss", | |
2123 | SEC_ALLOC, | |
2124 | 0, 0, 0, 0 } | |
2125 | }; | |
2126 | enum orphan_save_index | |
2127 | { | |
2128 | orphan_text = 0, | |
d4874973 | 2129 | orphan_idata, |
afd7a018 AM |
2130 | orphan_rodata, |
2131 | orphan_data, | |
2132 | orphan_bss | |
2133 | }; | |
2134 | static int orphan_init_done = 0; | |
6a345e87 | 2135 | struct orphan_save *place; |
afd7a018 | 2136 | lang_output_section_statement_type *after; |
252b5132 | 2137 | etree_type *address; |
93638471 AM |
2138 | flagword flags; |
2139 | asection *nexts; | |
afd7a018 AM |
2140 | |
2141 | if (!orphan_init_done) | |
2142 | { | |
2143 | struct orphan_save *ho; | |
2144 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2145 | if (ho->name != NULL) | |
2146 | { | |
2147 | ho->os = lang_output_section_find (ho->name); | |
2148 | if (ho->os != NULL && ho->os->flags == 0) | |
2149 | ho->os->flags = ho->flags; | |
2150 | } | |
2151 | orphan_init_done = 1; | |
2152 | } | |
252b5132 | 2153 | |
523f4c92 L |
2154 | flags = s->flags; |
2155 | if (!bfd_link_relocatable (&link_info)) | |
2156 | { | |
2157 | nexts = s; | |
2158 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, | |
2159 | nexts))) | |
2160 | if (nexts->output_section == NULL | |
2161 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2162 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2163 | && (nexts->owner->flags & DYNAMIC) == 0 | |
00f93c44 | 2164 | && !bfd_input_just_syms (nexts->owner)) |
523f4c92 L |
2165 | flags = (((flags ^ SEC_READONLY) |
2166 | | (nexts->flags ^ SEC_READONLY)) | |
2167 | ^ SEC_READONLY); | |
2168 | } | |
2169 | ||
252b5132 RH |
2170 | /* Try to put the new output section in a reasonable place based |
2171 | on the section name and section flags. */ | |
aea4bd9d | 2172 | |
252b5132 | 2173 | place = NULL; |
93638471 | 2174 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2175 | ; |
93638471 | 2176 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2177 | place = &hold[orphan_bss]; |
93638471 | 2178 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2179 | place = &hold[orphan_data]; |
93638471 | 2180 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2181 | { |
2182 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2183 | : &hold[orphan_rodata]); | |
2184 | } | |
1af699f4 | 2185 | else |
afd7a018 | 2186 | place = &hold[orphan_text]; |
1af699f4 | 2187 | |
afd7a018 | 2188 | after = NULL; |
1af699f4 AM |
2189 | if (place != NULL) |
2190 | { | |
afd7a018 AM |
2191 | if (place->os == NULL) |
2192 | place->os = lang_output_section_find (place->name); | |
2193 | after = place->os; | |
2194 | if (after == NULL) | |
93638471 AM |
2195 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2196 | NULL); | |
afd7a018 AM |
2197 | if (after == NULL) |
2198 | /* *ABS* is always the first output section statement. */ | |
8ce18f9c | 2199 | after = (void *) lang_os_list.head; |
252b5132 RH |
2200 | } |
2201 | ||
4bf0cafb DK |
2202 | /* All sections in an executable must be aligned to a page boundary. |
2203 | In a relocatable link, just preserve the incoming alignment; the | |
2204 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2205 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2206 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2207 | &add_child); | |
0e1862bb | 2208 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb | 2209 | { |
3d9c8f6b | 2210 | os->section_alignment = exp_intop (1U << s->alignment_power); |
4bf0cafb DK |
2211 | os->bfd_section->alignment_power = s->alignment_power; |
2212 | } | |
252b5132 RH |
2213 | } |
2214 | ||
011aa75f AM |
2215 | /* If the section name has a '\$', sort it with the other '\$' |
2216 | sections. */ | |
2217 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2218 | { | |
2219 | lang_input_section_type *ls; | |
2220 | const char *lname; | |
252b5132 | 2221 | |
011aa75f AM |
2222 | if ((*pl)->header.type != lang_input_section_enum) |
2223 | continue; | |
252b5132 | 2224 | |
011aa75f | 2225 | ls = &(*pl)->input_section; |
252b5132 | 2226 | |
fd361982 | 2227 | lname = bfd_section_name (ls->section); |
011aa75f AM |
2228 | if (strchr (lname, '\$') != NULL |
2229 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2230 | break; | |
2231 | } | |
5ba47421 | 2232 | |
011aa75f AM |
2233 | if (add_child.head != NULL) |
2234 | { | |
2235 | *add_child.tail = *pl; | |
2236 | *pl = add_child.head; | |
2237 | } | |
252b5132 | 2238 | |
c2edb4b8 | 2239 | return os; |
252b5132 RH |
2240 | } |
2241 | ||
f38a2680 | 2242 | static bool |
0c7a8e5a | 2243 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2244 | (const char *arch ATTRIBUTE_UNUSED, |
2245 | search_dirs_type *search, | |
0c7a8e5a | 2246 | lang_input_statement_type *entry) |
690a460e | 2247 | { |
45e948fe NC |
2248 | static const struct |
2249 | { | |
2250 | const char * format; | |
f38a2680 | 2251 | bool use_prefix; |
45e948fe NC |
2252 | } |
2253 | libname_fmt [] = | |
2254 | { | |
2255 | /* Preferred explicit import library for dll's. */ | |
f38a2680 | 2256 | { "lib%s.dll.a", false }, |
45e948fe | 2257 | /* Alternate explicit import library for dll's. */ |
f38a2680 | 2258 | { "%s.dll.a", false }, |
45e948fe | 2259 | /* "libfoo.a" could be either an import lib or a static lib. |
6c19b93b AM |
2260 | For backwards compatibility, libfoo.a needs to precede |
2261 | libfoo.dll and foo.dll in the search. */ | |
f38a2680 | 2262 | { "lib%s.a", false }, |
92b93329 | 2263 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
f38a2680 | 2264 | { "%s.lib", false }, |
f6c4d4b1 | 2265 | /* PR 22948 - Check for an import library. */ |
f38a2680 | 2266 | { "lib%s.lib", false }, |
45e948fe NC |
2267 | #ifdef DLL_SUPPORT |
2268 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
f38a2680 | 2269 | { "%s%s.dll", true }, |
45e948fe NC |
2270 | #endif |
2271 | /* Try "libfoo.dll" (default preferred dll name). */ | |
f38a2680 | 2272 | { "lib%s.dll", false }, |
45e948fe | 2273 | /* Finally try 'native' dll name "foo.dll". */ |
f38a2680 | 2274 | { "%s.dll", false }, |
45e948fe NC |
2275 | /* Note: If adding more formats to this table, make sure to check to |
2276 | see if their length is longer than libname_fmt[0].format, and if | |
2277 | so, update the call to xmalloc() below. */ | |
f38a2680 | 2278 | { NULL, false } |
45e948fe | 2279 | }; |
b1d9458a | 2280 | static unsigned int format_max_len = 0; |
690a460e | 2281 | const char * filename; |
45e948fe NC |
2282 | char * full_string; |
2283 | char * base_string; | |
2284 | unsigned int i; | |
2285 | ||
690a460e | 2286 | |
d4ae5fb0 | 2287 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
f38a2680 | 2288 | return false; |
690a460e NC |
2289 | |
2290 | filename = entry->filename; | |
2291 | ||
b1d9458a NC |
2292 | if (format_max_len == 0) |
2293 | /* We need to allow space in the memory that we are going to allocate | |
2294 | for the characters in the format string. Since the format array is | |
2295 | static we only need to calculate this information once. In theory | |
2296 | this value could also be computed statically, but this introduces | |
2297 | the possibility for a discrepancy and hence a possible memory | |
2298 | corruption. The lengths we compute here will be too long because | |
2299 | they will include any formating characters (%s) in the strings, but | |
2300 | this will not matter. */ | |
2301 | for (i = 0; libname_fmt[i].format; i++) | |
2302 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2303 | format_max_len = strlen (libname_fmt[i].format); | |
2304 | ||
45e948fe NC |
2305 | full_string = xmalloc (strlen (search->name) |
2306 | + strlen (filename) | |
b1d9458a | 2307 | + format_max_len |
b9a69188 | 2308 | #ifdef DLL_SUPPORT |
45e948fe NC |
2309 | + (pe_dll_search_prefix |
2310 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2311 | #endif |
b1d9458a NC |
2312 | /* Allow for the terminating NUL and for the path |
2313 | separator character that is inserted between | |
2314 | search->name and the start of the format string. */ | |
2315 | + 2); | |
690a460e | 2316 | |
45e948fe NC |
2317 | sprintf (full_string, "%s/", search->name); |
2318 | base_string = full_string + strlen (full_string); | |
690a460e | 2319 | |
45e948fe | 2320 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2321 | { |
92b93329 | 2322 | #ifdef DLL_SUPPORT |
45e948fe | 2323 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2324 | { |
45e948fe NC |
2325 | if (!pe_dll_search_prefix) |
2326 | continue; | |
2327 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2328 | } |
45e948fe NC |
2329 | else |
2330 | #endif | |
2331 | sprintf (base_string, libname_fmt[i].format, filename); | |
2332 | ||
2333 | if (ldfile_try_open_bfd (full_string, entry)) | |
2334 | break; | |
2335 | } | |
2336 | ||
2337 | if (!libname_fmt[i].format) | |
2338 | { | |
2339 | free (full_string); | |
f38a2680 | 2340 | return false; |
690a460e | 2341 | } |
602e90d3 | 2342 | |
45e948fe | 2343 | entry->filename = full_string; |
690a460e | 2344 | |
f38a2680 | 2345 | return true; |
690a460e NC |
2346 | } |
2347 | ||
344a211f | 2348 | static int |
0c7a8e5a AM |
2349 | gld_${EMULATION_NAME}_find_potential_libraries |
2350 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2351 | { |
2352 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2353 | } | |
252b5132 RH |
2354 | \f |
2355 | static char * | |
0c7a8e5a | 2356 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 | 2357 | EOF |
1c9c9b9b AM |
2358 | |
2359 | if test x"$COMPILE_IN" = xyes | |
2360 | then | |
252b5132 | 2361 | # Scripts compiled in. |
1c9c9b9b | 2362 | |
252b5132 | 2363 | # sed commands to quote an ld script as a C string. |
597e2591 | 2364 | sc="-f stringify.sed" |
252b5132 | 2365 | |
92b93329 | 2366 | fragment <<EOF |
3fc90ddb | 2367 | { |
252b5132 RH |
2368 | *isfile = 0; |
2369 | ||
0e1862bb | 2370 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2371 | return |
2372 | EOF | |
1af699f4 | 2373 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2374 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2375 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2376 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2377 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2378 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2379 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2380 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2381 | 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 |
2382 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2383 | fi | |
1af699f4 AM |
2384 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2385 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2386 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2387 | |
1c9c9b9b AM |
2388 | else |
2389 | # Scripts read from the filesystem. | |
2390 | ||
2391 | fragment <<EOF | |
2392 | { | |
2393 | *isfile = 1; | |
2394 | ||
2395 | if (bfd_link_relocatable (&link_info) && config.build_constructors) | |
2396 | return "ldscripts/${EMULATION_NAME}.xu"; | |
2397 | else if (bfd_link_relocatable (&link_info)) | |
2398 | return "ldscripts/${EMULATION_NAME}.xr"; | |
2399 | else if (!config.text_read_only) | |
2400 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
2401 | else if (!config.magic_demand_paged) | |
2402 | return "ldscripts/${EMULATION_NAME}.xn"; | |
2403 | EOF | |
2404 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then | |
2405 | fragment <<EOF | |
2406 | else if (link_info.pei386_auto_import == 1 | |
2407 | && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) | |
2408 | return "ldscripts/${EMULATION_NAME}.xa"; | |
2409 | EOF | |
2410 | fi | |
2411 | fragment <<EOF | |
2412 | else | |
2413 | return "ldscripts/${EMULATION_NAME}.x"; | |
2414 | } | |
2415 | EOF | |
2416 | fi | |
2417 | ||
92b93329 | 2418 | fragment <<EOF |
252b5132 RH |
2419 | |
2420 | ||
3fc90ddb | 2421 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2422 | { |
2423 | gld_${EMULATION_NAME}_before_parse, | |
2424 | syslib_default, | |
2425 | hll_default, | |
2426 | gld_${EMULATION_NAME}_after_parse, | |
2427 | gld_${EMULATION_NAME}_after_open, | |
5c3261b0 | 2428 | after_check_relocs_default, |
9b538ba7 | 2429 | before_place_orphans_default, |
252b5132 RH |
2430 | after_allocation_default, |
2431 | set_output_arch_default, | |
2432 | ldemul_default_target, | |
2433 | gld_${EMULATION_NAME}_before_allocation, | |
2434 | gld_${EMULATION_NAME}_get_script, | |
2435 | "${EMULATION_NAME}", | |
2436 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2437 | gld_${EMULATION_NAME}_finish, |
2438 | NULL, /* Create output section statements. */ | |
690a460e | 2439 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2440 | gld_${EMULATION_NAME}_place_orphan, |
2441 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2442 | NULL, /* parse_args */ |
2443 | gld${EMULATION_NAME}_add_options, | |
2444 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2445 | gld_${EMULATION_NAME}_unrecognized_file, |
2446 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2447 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2448 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 | 2449 | NULL, /* new_vers_pattern. */ |
1ff6de03 NA |
2450 | NULL, /* extra_map_file_text. */ |
2451 | ${LDEMUL_EMIT_CTF_EARLY-NULL}, | |
3d16b64e NA |
2452 | ${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL}, |
2453 | ${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL}, | |
3edf7b9f | 2454 | ${LDEMUL_PRINT_SYMBOL-NULL} |
252b5132 RH |
2455 | }; |
2456 | EOF |