Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3fc90ddb | 3 | if [ -z "$MACHINE" ]; then |
86af25fe L |
4 | OUTPUT_ARCH=${ARCH} |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
361d94e7 ILT |
8 | rm -f e${EMULATION_NAME}.c |
9 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 10 | fragment <<EOF |
6f2750fe | 11 | /* Copyright (C) 1995-2016 Free Software Foundation, Inc. |
252b5132 | 12 | |
f96b4a7b NC |
13 | This file is part of the GNU Binutils. |
14 | ||
2fa9fc65 NC |
15 | This program is free software; you can redistribute it and/or modify |
16 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 17 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 18 | (at your option) any later version. |
252b5132 | 19 | |
2fa9fc65 NC |
20 | This program is distributed in the hope that it will be useful, |
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | GNU General Public License for more details. | |
252b5132 | 24 | |
2fa9fc65 NC |
25 | You should have received a copy of the GNU General Public License |
26 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
27 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
28 | MA 02110-1301, USA. */ | |
29 | ||
252b5132 RH |
30 | |
31 | /* For WINDOWS_NT */ | |
32 | /* The original file generated returned different default scripts depending | |
33 | on whether certain switches were set, but these switches pertain to the | |
34 | Linux system and that particular version of coff. In the NT case, we | |
35 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
36 | the correct entry point by default. */ |
37 | ||
db09f25b AM |
38 | #define TARGET_IS_${EMULATION_NAME} |
39 | ||
40 | /* Do this before including bfd.h, so we prototype the right functions. */ | |
db09f25b | 41 | |
7148cc28 NC |
42 | #if defined(TARGET_IS_armpe) \ |
43 | || defined(TARGET_IS_arm_epoc_pe) \ | |
44 | || defined(TARGET_IS_arm_wince_pe) | |
45 | #define bfd_arm_allocate_interworking_sections \ | |
46 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
47 | #define bfd_arm_get_bfd_for_interworking \ | |
48 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
49 | #define bfd_arm_process_before_allocation \ | |
50 | bfd_${EMULATION_NAME}_process_before_allocation | |
51 | #endif | |
92b93329 | 52 | |
252b5132 | 53 | #include "sysdep.h" |
3db64b00 | 54 | #include "bfd.h" |
252b5132 RH |
55 | #include "bfdlink.h" |
56 | #include "getopt.h" | |
57 | #include "libiberty.h" | |
42627821 | 58 | #include "filenames.h" |
252b5132 RH |
59 | #include "ld.h" |
60 | #include "ldmain.h" | |
252b5132 RH |
61 | #include "ldexp.h" |
62 | #include "ldlang.h" | |
b71e2778 | 63 | #include "ldfile.h" |
252b5132 | 64 | #include "ldemul.h" |
df2a7313 | 65 | #include <ldgram.h> |
252b5132 RH |
66 | #include "ldlex.h" |
67 | #include "ldmisc.h" | |
68 | #include "ldctor.h" | |
61e2488c | 69 | #include "ldbuildid.h" |
252b5132 | 70 | #include "coff/internal.h" |
71add731 | 71 | |
26d2d8a2 BF |
72 | /* FIXME: See bfd/peXXigen.c for why we include an architecture specific |
73 | header in generic PE code. */ | |
74 | #include "coff/i386.h" | |
75 | #include "coff/pe.h" | |
76 | ||
61e2488c | 77 | /* FIXME: These are BFD internal header files, and we should not be |
71add731 | 78 | using it here. */ |
252b5132 | 79 | #include "../bfd/libcoff.h" |
61e2488c | 80 | #include "../bfd/libpei.h" |
71add731 | 81 | |
252b5132 | 82 | #include "deffile.h" |
1069dd8d | 83 | #include "pe-dll.h" |
29e1a6e4 | 84 | #include "safe-ctype.h" |
14fe918e | 85 | |
2be9b2c7 ILT |
86 | /* Permit the emulation parameters to override the default section |
87 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
88 | it seem that include/coff/internal.h should not define | |
89 | PE_DEF_SECTION_ALIGNMENT. */ | |
90 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
91 | #undef PE_DEF_SECTION_ALIGNMENT | |
92 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
93 | #endif | |
94 | ||
7148cc28 NC |
95 | #if defined(TARGET_IS_i386pe) \ |
96 | || defined(TARGET_IS_shpe) \ | |
7148cc28 NC |
97 | || defined(TARGET_IS_armpe) \ |
98 | || defined(TARGET_IS_arm_epoc_pe) \ | |
99 | || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
100 | #define DLL_SUPPORT |
101 | #endif | |
c6c37250 | 102 | |
e468a046 KT |
103 | #if defined(TARGET_IS_i386pe) |
104 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 | |
105 | #else | |
106 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 | |
107 | #endif | |
108 | ||
344a211f | 109 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 110 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
111 | #else |
112 | #undef NT_EXE_IMAGE_BASE | |
113 | #undef PE_DEF_SECTION_ALIGNMENT | |
114 | #undef PE_DEF_FILE_ALIGNMENT | |
115 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
116 | |
117 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
118 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
119 | #define PE_DEF_SUBSYSTEM 9 | |
120 | #else | |
121 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
122 | #define PE_DEF_SUBSYSTEM 2 | |
123 | #endif | |
124 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
125 | #endif | |
c6c37250 | 126 | |
252b5132 RH |
127 | static struct internal_extra_pe_aouthdr pe; |
128 | static int dll; | |
decfa41e | 129 | static int pe_subsystem = ${SUBSYSTEM}; |
26d2d8a2 | 130 | static flagword real_flags = 0; |
252b5132 | 131 | static int support_old_code = 0; |
6f798e5c | 132 | static char * thumb_entry_symbol = NULL; |
252b5132 | 133 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 134 | static unsigned short pe_dll_characteristics = 0; |
eeb14e5a | 135 | static bfd_boolean insert_timestamp = TRUE; |
61e2488c | 136 | static const char *emit_build_id; |
252b5132 | 137 | |
f0c87f88 | 138 | #ifdef DLL_SUPPORT |
4cd89863 | 139 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e NC |
140 | static char *pe_out_def_filename = NULL; |
141 | static char *pe_implib_filename = NULL; | |
5f577f7d | 142 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 143 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 144 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 145 | #endif |
252b5132 RH |
146 | |
147 | extern const char *output_filename; | |
148 | ||
d74720d2 | 149 | static int is_underscoring (void) |
252b5132 | 150 | { |
d74720d2 KT |
151 | int u = 0; |
152 | if (pe_leading_underscore != -1) | |
153 | return pe_leading_underscore; | |
154 | if (!bfd_get_target_info ("${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 |
66be1055 | 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) | |
231 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) | |
6f798e5c | 232 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
870df5dc NC |
233 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
234 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
235 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
236 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
237 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
238 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
239 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
240 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
241 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 242 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
243 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
244 | (OPTION_EXCLUDE_LIBS + 1) | |
245 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
246 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
0cb112f7 | 247 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
f69a2f97 NC |
248 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
249 | (OPTION_LARGE_ADDRESS_AWARE + 1) | |
6cb442d3 | 250 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
f69a2f97 | 251 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
6cb442d3 KT |
252 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
253 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
254 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
255 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 256 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 | 257 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
0cb112f7 CF |
258 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
259 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) | |
522f09cd KT |
260 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
261 | (OPTION_LEADING_UNDERSCORE + 1) | |
88183869 DK |
262 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
263 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
0cb112f7 | 264 | /* DLLCharacteristics flags. */ |
2f563b51 DK |
265 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
266 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
267 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
e4492aa0 | 268 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
2f563b51 DK |
269 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
270 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
271 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
272 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
0cb112f7 CF |
273 | /* Determinism. */ |
274 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) | |
eeb14e5a LZ |
275 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
276 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) | |
252b5132 | 277 | |
3bcf5557 | 278 | static void |
0c7a8e5a | 279 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
280 | (int ns ATTRIBUTE_UNUSED, |
281 | char **shortopts ATTRIBUTE_UNUSED, | |
282 | int nl, | |
283 | struct option **longopts, | |
284 | int nrl ATTRIBUTE_UNUSED, | |
285 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 286 | { |
27320b85 NC |
287 | static const struct option xtra_long[] = |
288 | { | |
289 | /* PE options. */ | |
3bcf5557 AM |
290 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
291 | {"dll", no_argument, NULL, OPTION_DLL}, | |
292 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
293 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
294 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
295 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
296 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
297 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
298 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
299 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
300 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
301 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
302 | {"stack", required_argument, NULL, OPTION_STACK}, | |
303 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
304 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
305 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
306 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
307 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
308 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
309 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 310 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
eeb14e5a | 311 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
c6c37250 | 312 | #ifdef DLL_SUPPORT |
d127ecce AM |
313 | /* getopt allows abbreviations, so we do this to stop it |
314 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
315 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
316 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
317 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
318 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 319 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 320 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 321 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
322 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
323 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
324 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
325 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
326 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
327 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, | |
328 | /* getopt() allows abbreviations, so we do this to stop it from | |
329 | treating -c as an abbreviation for these --compat-implib. */ | |
330 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
331 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 332 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
333 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
334 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
335 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
336 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
337 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
338 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
339 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
340 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
341 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
342 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 343 | #endif |
26d2d8a2 | 344 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 345 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
346 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
347 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
348 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
349 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
350 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
351 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
352 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
353 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
354 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
355 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
61e2488c | 356 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
3bcf5557 AM |
357 | {NULL, no_argument, NULL, 0} |
358 | }; | |
252b5132 | 359 | |
d127ecce AM |
360 | *longopts |
361 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
362 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
363 | } | |
252b5132 RH |
364 | |
365 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 366 | parameters which may be input from the command line. */ |
252b5132 RH |
367 | |
368 | typedef struct | |
369 | { | |
370 | void *ptr; | |
371 | int size; | |
372 | int value; | |
373 | char *symbol; | |
374 | int inited; | |
522f09cd KT |
375 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
376 | C visible symbols can be prefixed by underscore dependent to target's | |
377 | settings. */ | |
378 | bfd_boolean is_c_symbol; | |
252b5132 RH |
379 | } definfo; |
380 | ||
522f09cd KT |
381 | /* Get symbol name dependent to kind and C visible state of |
382 | underscore. */ | |
383 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
384 | (init[(IDX)].symbol \ | |
d74720d2 | 385 | + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1)) |
522f09cd KT |
386 | |
387 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
388 | #define U(CSTR) \ | |
d74720d2 | 389 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd KT |
390 | |
391 | /* Get size of constant string for a possible underscore prefixed | |
392 | C visible symbol. */ | |
393 | #define U_SIZE(CSTR) \ | |
d74720d2 | 394 | (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1)) |
522f09cd | 395 | |
61e2488c | 396 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
397 | |
398 | static definfo init[] = | |
399 | { | |
400 | /* imagebase must be first */ | |
401 | #define IMAGEBASEOFF 0 | |
522f09cd | 402 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
252b5132 | 403 | #define DLLOFF 1 |
522f09cd | 404 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
dffc6a64 | 405 | #define MSIMAGEBASEOFF 2 |
522f09cd KT |
406 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
407 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), | |
408 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), | |
409 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), | |
410 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), | |
411 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), | |
412 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), | |
7148cc28 | 413 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
522f09cd | 414 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
344a211f | 415 | #else |
522f09cd | 416 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
344a211f | 417 | #endif |
522f09cd KT |
418 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
419 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), | |
420 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), | |
421 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), | |
422 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), | |
423 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), | |
424 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), | |
425 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), | |
426 | { NULL, 0, 0, NULL, 0 , FALSE} | |
252b5132 RH |
427 | }; |
428 | ||
4cd89863 | 429 | |
252b5132 | 430 | static void |
0c7a8e5a | 431 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
432 | { |
433 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
434 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
435 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
436 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
437 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
438 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
439 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
440 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
441 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
442 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
443 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
444 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
445 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
446 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
447 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 448 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 449 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
eeb14e5a | 450 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
0cb112f7 | 451 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
c6c37250 | 452 | #ifdef DLL_SUPPORT |
252b5132 RH |
453 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
454 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
455 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
456 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 457 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 458 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
459 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
460 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
461 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
462 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
463 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
464 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
465 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
d0e6d77b | 466 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
467 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
468 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
469 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
470 | (optionally starting with address) unless\n\ | |
471 | specifically set with --image-base\n")); | |
5f577f7d | 472 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
473 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
474 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 475 | in preference to lib<basename>.dll \n")); |
c85f715a | 476 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 477 | __imp_sym for DATA references\n")); |
decc3638 | 478 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 479 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
480 | adding pseudo-relocations resolved at\n\ |
481 | runtime.\n")); | |
2fa9fc65 NC |
482 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
483 | auto-imported DATA.\n")); | |
e3c8793a NC |
484 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
485 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 486 | #endif |
26d2d8a2 BF |
487 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
488 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
489 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
490 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
491 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
492 | executable image files\n")); | |
493 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
494 | in object files\n")); | |
2f563b51 DK |
495 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
496 | address space layout randomization (ASLR)\n")); | |
497 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
498 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
499 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
500 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
501 | be called in this image\n")); | |
502 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
503 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
522f09cd | 504 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
61e2488c | 505 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
252b5132 RH |
506 | } |
507 | ||
4cd89863 | 508 | |
252b5132 | 509 | static void |
0c7a8e5a | 510 | set_pe_name (char *name, long val) |
252b5132 | 511 | { |
d74720d2 KT |
512 | int i; |
513 | is_underscoring (); | |
4cd89863 NC |
514 | |
515 | /* Find the name and set it. */ | |
252b5132 RH |
516 | for (i = 0; init[i].ptr; i++) |
517 | { | |
522f09cd | 518 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
519 | { |
520 | init[i].value = val; | |
521 | init[i].inited = 1; | |
dffc6a64 KT |
522 | if (strcmp (name,"__image_base__") == 0) |
523 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
524 | return; |
525 | } | |
526 | } | |
939ba9d0 | 527 | abort (); |
252b5132 RH |
528 | } |
529 | ||
decfa41e KT |
530 | static void |
531 | set_entry_point (void) | |
532 | { | |
533 | const char *entry; | |
534 | const char *initial_symbol_char; | |
d74720d2 | 535 | int i; |
decfa41e KT |
536 | |
537 | static const struct | |
538 | { | |
539 | const int value; | |
540 | const char *entry; | |
541 | } | |
542 | v[] = | |
543 | { | |
544 | { 1, "NtProcessStartup" }, | |
545 | { 2, "WinMainCRTStartup" }, | |
546 | { 3, "mainCRTStartup" }, | |
547 | { 7, "__PosixProcessStartup"}, | |
548 | { 9, "WinMainCRTStartup" }, | |
549 | {14, "mainCRTStartup" }, | |
550 | { 0, NULL } | |
551 | }; | |
552 | ||
553 | /* Entry point name for arbitrary subsystem numbers. */ | |
554 | static const char default_entry[] = "mainCRTStartup"; | |
555 | ||
0e1862bb | 556 | if (bfd_link_pic (&link_info) || dll) |
decfa41e KT |
557 | { |
558 | #if defined (TARGET_IS_i386pe) | |
559 | entry = "DllMainCRTStartup@12"; | |
560 | #else | |
561 | entry = "DllMainCRTStartup"; | |
562 | #endif | |
563 | } | |
564 | else | |
565 | { | |
566 | ||
567 | for (i = 0; v[i].entry; i++) | |
568 | if (v[i].value == pe_subsystem) | |
569 | break; | |
570 | ||
571 | /* If no match, use the default. */ | |
572 | if (v[i].entry != NULL) | |
573 | entry = v[i].entry; | |
574 | else | |
575 | entry = default_entry; | |
576 | } | |
577 | ||
d74720d2 | 578 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 579 | |
decfa41e KT |
580 | if (*initial_symbol_char != '\0') |
581 | { | |
582 | char *alc_entry; | |
583 | ||
584 | /* lang_default_entry expects its argument to be permanently | |
585 | allocated, so we don't free this string. */ | |
586 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
587 | + strlen (entry) | |
588 | + 1); | |
589 | strcpy (alc_entry, initial_symbol_char); | |
590 | strcat (alc_entry, entry); | |
591 | entry = alc_entry; | |
592 | } | |
593 | ||
594 | lang_default_entry (entry); | |
595 | } | |
252b5132 RH |
596 | |
597 | static void | |
0c7a8e5a | 598 | set_pe_subsystem (void) |
252b5132 RH |
599 | { |
600 | const char *sver; | |
33f362e1 | 601 | char *end; |
252b5132 RH |
602 | int len; |
603 | int i; | |
33f362e1 | 604 | unsigned long temp_subsystem; |
3fc90ddb | 605 | static const struct |
252b5132 RH |
606 | { |
607 | const char *name; | |
608 | const int value; | |
252b5132 RH |
609 | } |
610 | v[] = | |
611 | { | |
decfa41e KT |
612 | { "native", 1}, |
613 | { "windows", 2}, | |
614 | { "console", 3}, | |
615 | { "posix", 7}, | |
616 | { "wince", 9}, | |
617 | { "xbox", 14}, | |
618 | { NULL, 0 } | |
252b5132 RH |
619 | }; |
620 | ||
33f362e1 | 621 | /* Check for the presence of a version number. */ |
252b5132 RH |
622 | sver = strchr (optarg, ':'); |
623 | if (sver == NULL) | |
624 | len = strlen (optarg); | |
625 | else | |
626 | { | |
252b5132 RH |
627 | len = sver - optarg; |
628 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 629 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
630 | if (*end == '.') |
631 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 632 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
633 | if (*end != '\0') |
634 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
635 | } | |
636 | ||
33f362e1 NC |
637 | /* Check for numeric subsystem. */ |
638 | temp_subsystem = strtoul (optarg, & end, 0); | |
639 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 640 | { |
33f362e1 NC |
641 | /* Search list for a numeric match to use its entry point. */ |
642 | for (i = 0; v[i].name; i++) | |
643 | if (v[i].value == (int) temp_subsystem) | |
644 | break; | |
645 | ||
33f362e1 | 646 | /* Use this subsystem. */ |
decfa41e | 647 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
648 | } |
649 | else | |
650 | { | |
651 | /* Search for subsystem by name. */ | |
652 | for (i = 0; v[i].name; i++) | |
653 | if (strncmp (optarg, v[i].name, len) == 0 | |
654 | && v[i].name[len] == '\0') | |
655 | break; | |
252b5132 | 656 | |
33f362e1 NC |
657 | if (v[i].name == NULL) |
658 | { | |
659 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
252b5132 RH |
660 | return; |
661 | } | |
33f362e1 | 662 | |
decfa41e | 663 | pe_subsystem = v[i].value; |
252b5132 | 664 | } |
3fc90ddb | 665 | |
decfa41e | 666 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
667 | |
668 | return; | |
252b5132 RH |
669 | } |
670 | ||
671 | ||
252b5132 | 672 | static void |
0c7a8e5a | 673 | set_pe_value (char *name) |
252b5132 RH |
674 | { |
675 | char *end; | |
3fc90ddb | 676 | |
252b5132 | 677 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 678 | |
252b5132 RH |
679 | if (end == optarg) |
680 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
681 | ||
682 | optarg = end; | |
683 | } | |
684 | ||
4cd89863 | 685 | |
252b5132 | 686 | static void |
0c7a8e5a | 687 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
688 | { |
689 | set_pe_value (resname); | |
3fc90ddb | 690 | |
252b5132 RH |
691 | if (*optarg == ',') |
692 | { | |
693 | optarg++; | |
694 | set_pe_value (comname); | |
695 | } | |
696 | else if (*optarg) | |
697 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
698 | } | |
699 | ||
61e2488c | 700 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 701 | |
3bcf5557 | 702 | static bfd_boolean |
0c7a8e5a | 703 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 704 | { |
252b5132 RH |
705 | switch (optc) |
706 | { | |
707 | default: | |
3bcf5557 | 708 | return FALSE; |
252b5132 RH |
709 | |
710 | case OPTION_BASE_FILE: | |
0c7a8e5a | 711 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 712 | if (link_info.base_file == NULL) |
e922bcab | 713 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
714 | break; |
715 | ||
4cd89863 | 716 | /* PE options. */ |
3fc90ddb | 717 | case OPTION_HEAP: |
252b5132 RH |
718 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
719 | break; | |
3fc90ddb | 720 | case OPTION_STACK: |
252b5132 RH |
721 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
722 | break; | |
723 | case OPTION_SUBSYSTEM: | |
724 | set_pe_subsystem (); | |
725 | break; | |
726 | case OPTION_MAJOR_OS_VERSION: | |
727 | set_pe_value ("__major_os_version__"); | |
728 | break; | |
729 | case OPTION_MINOR_OS_VERSION: | |
730 | set_pe_value ("__minor_os_version__"); | |
731 | break; | |
732 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
733 | set_pe_value ("__major_subsystem_version__"); | |
734 | break; | |
735 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
736 | set_pe_value ("__minor_subsystem_version__"); | |
737 | break; | |
738 | case OPTION_MAJOR_IMAGE_VERSION: | |
739 | set_pe_value ("__major_image_version__"); | |
740 | break; | |
741 | case OPTION_MINOR_IMAGE_VERSION: | |
742 | set_pe_value ("__minor_image_version__"); | |
743 | break; | |
744 | case OPTION_FILE_ALIGNMENT: | |
745 | set_pe_value ("__file_alignment__"); | |
746 | break; | |
747 | case OPTION_SECTION_ALIGNMENT: | |
748 | set_pe_value ("__section_alignment__"); | |
749 | break; | |
750 | case OPTION_DLL: | |
751 | set_pe_name ("__dll__", 1); | |
752 | break; | |
753 | case OPTION_IMAGE_BASE: | |
754 | set_pe_value ("__image_base__"); | |
755 | break; | |
756 | case OPTION_SUPPORT_OLD_CODE: | |
757 | support_old_code = 1; | |
758 | break; | |
6f798e5c NC |
759 | case OPTION_THUMB_ENTRY: |
760 | thumb_entry_symbol = optarg; | |
761 | break; | |
ce11ba6c KT |
762 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
763 | pe_use_nul_prefixed_import_tables = TRUE; | |
764 | break; | |
522f09cd KT |
765 | case OPTION_NO_LEADING_UNDERSCORE: |
766 | pe_leading_underscore = 0; | |
767 | break; | |
768 | case OPTION_LEADING_UNDERSCORE: | |
769 | pe_leading_underscore = 1; | |
770 | break; | |
0cb112f7 CF |
771 | case OPTION_INSERT_TIMESTAMP: |
772 | insert_timestamp = TRUE; | |
773 | break; | |
eeb14e5a LZ |
774 | case OPTION_NO_INSERT_TIMESTAMP: |
775 | insert_timestamp = FALSE; | |
776 | break; | |
c6c37250 | 777 | #ifdef DLL_SUPPORT |
252b5132 RH |
778 | case OPTION_OUT_DEF: |
779 | pe_out_def_filename = xstrdup (optarg); | |
780 | break; | |
781 | case OPTION_EXPORT_ALL: | |
782 | pe_dll_export_everything = 1; | |
783 | break; | |
784 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 785 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 786 | break; |
2927aaca NC |
787 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
788 | pe_dll_exclude_all_symbols = 1; | |
789 | break; | |
70b0be79 | 790 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
791 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
792 | break; | |
793 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
794 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
795 | break; |
796 | case OPTION_KILL_ATS: | |
797 | pe_dll_kill_ats = 1; | |
798 | break; | |
799 | case OPTION_STDCALL_ALIASES: | |
800 | pe_dll_stdcall_aliases = 1; | |
801 | break; | |
802 | case OPTION_ENABLE_STDCALL_FIXUP: | |
803 | pe_enable_stdcall_fixup = 1; | |
804 | break; | |
805 | case OPTION_DISABLE_STDCALL_FIXUP: | |
806 | pe_enable_stdcall_fixup = 0; | |
807 | break; | |
808 | case OPTION_IMPLIB_FILENAME: | |
809 | pe_implib_filename = xstrdup (optarg); | |
810 | break; | |
870df5dc NC |
811 | case OPTION_WARN_DUPLICATE_EXPORTS: |
812 | pe_dll_warn_dup_exports = 1; | |
813 | break; | |
814 | case OPTION_IMP_COMPAT: | |
815 | pe_dll_compat_implib = 1; | |
816 | break; | |
5f577f7d DD |
817 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
818 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
819 | if (optarg && *optarg) |
820 | { | |
821 | char *end; | |
61e2488c | 822 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
823 | /* XXX should check that we actually parsed something */ |
824 | } | |
5f577f7d DD |
825 | break; |
826 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
827 | pe_enable_auto_image_base = 0; | |
828 | break; | |
627427de | 829 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 830 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 831 | break; |
1122a5fc NC |
832 | case OPTION_NO_DEFAULT_EXCLUDES: |
833 | pe_dll_do_default_excludes = 0; | |
834 | break; | |
decc3638 | 835 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 836 | link_info.pei386_auto_import = 1; |
decc3638 CW |
837 | break; |
838 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 839 | link_info.pei386_auto_import = 0; |
decc3638 | 840 | break; |
2fa9fc65 | 841 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
842 | link_info.pei386_runtime_pseudo_reloc = |
843 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 844 | break; |
6cb442d3 KT |
845 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
846 | link_info.pei386_runtime_pseudo_reloc = 1; | |
847 | break; | |
848 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
849 | link_info.pei386_runtime_pseudo_reloc = 2; | |
850 | break; | |
2fa9fc65 NC |
851 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
852 | link_info.pei386_runtime_pseudo_reloc = 0; | |
853 | break; | |
decc3638 CW |
854 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
855 | pe_dll_extra_pe_debug = 1; | |
856 | break; | |
c6c37250 | 857 | #endif |
26d2d8a2 BF |
858 | case OPTION_LARGE_ADDRESS_AWARE: |
859 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
860 | break; | |
f69a2f97 NC |
861 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
862 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
863 | break; | |
88183869 DK |
864 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
865 | pe_use_coff_long_section_names = 1; | |
866 | break; | |
867 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
868 | pe_use_coff_long_section_names = 0; | |
869 | break; | |
2f563b51 DK |
870 | /* Get DLLCharacteristics bits */ |
871 | case OPTION_DYNAMIC_BASE: | |
872 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
873 | break; | |
874 | case OPTION_FORCE_INTEGRITY: | |
875 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
876 | break; | |
877 | case OPTION_NX_COMPAT: | |
878 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
879 | break; | |
880 | case OPTION_NO_ISOLATION: | |
881 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
882 | break; | |
883 | case OPTION_NO_SEH: | |
884 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
885 | break; | |
886 | case OPTION_NO_BIND: | |
887 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
888 | break; | |
889 | case OPTION_WDM_DRIVER: | |
890 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
891 | break; | |
892 | case OPTION_TERMINAL_SERVER_AWARE: | |
893 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
894 | break; | |
61e2488c JT |
895 | case OPTION_BUILD_ID: |
896 | if (emit_build_id != NULL) | |
897 | { | |
898 | free ((char *) emit_build_id); | |
899 | emit_build_id = NULL; | |
900 | } | |
901 | if (optarg == NULL) | |
902 | optarg = DEFAULT_BUILD_ID_STYLE; | |
903 | if (strcmp (optarg, "none")) | |
904 | emit_build_id = xstrdup (optarg); | |
905 | break; | |
252b5132 | 906 | } |
2f563b51 DK |
907 | |
908 | /* Set DLLCharacteristics bits */ | |
909 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
910 | ||
3bcf5557 | 911 | return TRUE; |
252b5132 RH |
912 | } |
913 | \f | |
5f577f7d | 914 | |
2ef53d66 | 915 | #ifdef DLL_SUPPORT |
3fc90ddb | 916 | static unsigned long |
5f577f7d DD |
917 | strhash (const char *str) |
918 | { | |
919 | const unsigned char *s; | |
920 | unsigned long hash; | |
921 | unsigned int c; | |
922 | unsigned int len; | |
923 | ||
924 | hash = 0; | |
925 | len = 0; | |
926 | s = (const unsigned char *) str; | |
927 | while ((c = *s++) != '\0') | |
928 | { | |
929 | hash += c + (c << 17); | |
930 | hash ^= hash >> 2; | |
931 | ++len; | |
932 | } | |
933 | hash += len + (len << 17); | |
934 | hash ^= hash >> 2; | |
935 | ||
936 | return hash; | |
937 | } | |
938 | ||
4cd89863 NC |
939 | /* Use the output file to create a image base for relocatable DLLs. */ |
940 | ||
5f577f7d DD |
941 | static unsigned long |
942 | compute_dll_image_base (const char *ofile) | |
943 | { | |
944 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 945 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 946 | } |
2ef53d66 | 947 | #endif |
5f577f7d | 948 | |
252b5132 RH |
949 | /* Assign values to the special symbols before the linker script is |
950 | read. */ | |
951 | ||
952 | static void | |
0c7a8e5a | 953 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
954 | { |
955 | /* Run through and invent symbols for all the | |
4cd89863 | 956 | names and insert the defaults. */ |
d74720d2 | 957 | int j; |
b804e4af | 958 | |
d74720d2 | 959 | is_underscoring (); |
252b5132 RH |
960 | |
961 | if (!init[IMAGEBASEOFF].inited) | |
962 | { | |
0e1862bb | 963 | if (bfd_link_relocatable (&link_info)) |
252b5132 | 964 | init[IMAGEBASEOFF].value = 0; |
0e1862bb | 965 | else if (init[DLLOFF].value || bfd_link_dll (&link_info)) |
d127ecce | 966 | { |
2ef53d66 | 967 | #ifdef DLL_SUPPORT |
d127ecce AM |
968 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
969 | ? compute_dll_image_base (output_filename) | |
970 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 971 | #else |
d127ecce | 972 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 973 | #endif |
d127ecce | 974 | } |
252b5132 RH |
975 | else |
976 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 977 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
978 | } |
979 | ||
1049f94e | 980 | /* Don't do any symbol assignments if this is a relocatable link. */ |
0e1862bb | 981 | if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
982 | return; |
983 | ||
4cd89863 | 984 | /* Glue the assignments into the abs section. */ |
bde18da4 | 985 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
986 | |
987 | for (j = 0; init[j].ptr; j++) | |
988 | { | |
989 | long val = init[j].value; | |
990 | lang_assignment_statement_type *rv; | |
522f09cd | 991 | |
2e57b2af | 992 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
eb8476a6 | 993 | exp_intop (val), FALSE)); |
939ba9d0 NC |
994 | if (init[j].size == sizeof (short)) |
995 | *(short *) init[j].ptr = val; | |
996 | else if (init[j].size == sizeof (int)) | |
997 | *(int *) init[j].ptr = val; | |
998 | else if (init[j].size == sizeof (long)) | |
999 | *(long *) init[j].ptr = val; | |
252b5132 | 1000 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
1001 | else if (init[j].size == sizeof (bfd_vma)) |
1002 | *(bfd_vma *) init[j].ptr = val; | |
1003 | else abort (); | |
252b5132 RH |
1004 | if (j == IMAGEBASEOFF) |
1005 | image_base_statement = rv; | |
1006 | } | |
4cd89863 | 1007 | /* Restore the pointer. */ |
bde18da4 | 1008 | pop_stat_ptr (); |
3fc90ddb | 1009 | |
d127ecce | 1010 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 RH |
1011 | { |
1012 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | /* This is called after the linker script and the command line options | |
1017 | have been read. */ | |
1018 | ||
1019 | static void | |
0c7a8e5a | 1020 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1021 | { |
8b747e1a DK |
1022 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1023 | option hoping it will work on PE. */ | |
1024 | if (link_info.export_dynamic) | |
1025 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1026 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1027 | |
decfa41e KT |
1028 | set_entry_point (); |
1029 | ||
97b11f40 | 1030 | after_parse_default (); |
252b5132 RH |
1031 | } |
1032 | ||
aa3d9aba NC |
1033 | /* pe-dll.c directly accesses pe_data_import_dll, |
1034 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
1035 | Note - this variable is deliberately not initialised. | |
1036 | This allows it to be treated as a common varaible, and only | |
1037 | exist in one incarnation in a multiple target enabled linker. */ | |
1038 | char * pe_data_import_dll; | |
72358f65 | 1039 | |
2ef53d66 | 1040 | #ifdef DLL_SUPPORT |
252b5132 RH |
1041 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1042 | ||
b34976b6 | 1043 | static bfd_boolean |
0c7a8e5a | 1044 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1045 | { |
decc3638 | 1046 | int sl; |
0c7a8e5a | 1047 | char *string = inf; |
8a9eab9b | 1048 | const char *hs = h->root.string; |
4cd89863 | 1049 | |
0c7a8e5a | 1050 | sl = strlen (string); |
252b5132 | 1051 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1052 | && ((*hs == '@' && *string == '_' |
1053 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1054 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1055 | && h->root.string[sl] == '@') |
decc3638 CW |
1056 | { |
1057 | pe_undef_found_sym = h; | |
b34976b6 | 1058 | return FALSE; |
decc3638 | 1059 | } |
b34976b6 | 1060 | return TRUE; |
252b5132 RH |
1061 | } |
1062 | ||
1063 | static void | |
0c7a8e5a | 1064 | pe_fixup_stdcalls (void) |
252b5132 RH |
1065 | { |
1066 | static int gave_warning_message = 0; | |
1067 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 1068 | |
3fc90ddb | 1069 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1070 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1071 | |
f6e332e6 | 1072 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1073 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1074 | { |
c9e38879 NC |
1075 | char* at = strchr (undef->root.string, '@'); |
1076 | int lead_at = (*undef->root.string == '@'); | |
8a9eab9b KT |
1077 | if (lead_at) |
1078 | at = strchr (undef->root.string + 1, '@'); | |
b34976b6 | 1079 | |
8a9eab9b | 1080 | if (at || lead_at) |
c9e38879 NC |
1081 | { |
1082 | /* The symbol is a stdcall symbol, so let's look for a | |
1083 | cdecl symbol with the same name and resolve to that. */ | |
8a9eab9b KT |
1084 | char *cname = xstrdup (undef->root.string); |
1085 | ||
1086 | if (lead_at) | |
1087 | *cname = '_'; | |
c9e38879 | 1088 | at = strchr (cname, '@'); |
8a9eab9b KT |
1089 | if (at) |
1090 | *at = 0; | |
c9e38879 NC |
1091 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); |
1092 | ||
1093 | if (sym && sym->type == bfd_link_hash_defined) | |
1094 | { | |
1095 | undef->type = bfd_link_hash_defined; | |
1096 | undef->u.def.value = sym->u.def.value; | |
1097 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 1098 | |
c9e38879 NC |
1099 | if (pe_enable_stdcall_fixup == -1) |
1100 | { | |
1101 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
1102 | undef->root.string, cname); | |
1103 | if (! gave_warning_message) | |
1104 | { | |
1105 | gave_warning_message = 1; | |
939ba9d0 NC |
1106 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
1107 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
1108 | } |
1109 | } | |
1110 | } | |
1111 | } | |
1112 | else | |
1113 | { | |
1114 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1115 | symbols - which means scanning the whole symbol table. */ |
c9e38879 NC |
1116 | pe_undef_found_sym = 0; |
1117 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
0c7a8e5a | 1118 | (char *) undef->root.string); |
c9e38879 NC |
1119 | sym = pe_undef_found_sym; |
1120 | if (sym) | |
1121 | { | |
1122 | undef->type = bfd_link_hash_defined; | |
1123 | undef->u.def.value = sym->u.def.value; | |
1124 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 1125 | |
c9e38879 NC |
1126 | if (pe_enable_stdcall_fixup == -1) |
1127 | { | |
1128 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
1129 | undef->root.string, sym->root.string); | |
1130 | if (! gave_warning_message) | |
1131 | { | |
1132 | gave_warning_message = 1; | |
939ba9d0 NC |
1133 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
1134 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
1135 | } |
1136 | } | |
1137 | } | |
1138 | } | |
252b5132 | 1139 | } |
252b5132 | 1140 | } |
decc3638 CW |
1141 | |
1142 | static int | |
0c7a8e5a | 1143 | make_import_fixup (arelent *rel, asection *s) |
decc3638 | 1144 | { |
fc0a2244 | 1145 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1146 | char addend[4]; |
decc3638 | 1147 | |
3fc90ddb | 1148 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1149 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1150 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1151 | |
c99b8138 | 1152 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
c9e38879 NC |
1153 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
1154 | s->owner, s, rel->address); | |
0d888aac | 1155 | |
c99b8138 | 1156 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend)); |
0d888aac | 1157 | |
decc3638 CW |
1158 | return 1; |
1159 | } | |
1160 | ||
decc3638 | 1161 | static void |
0c7a8e5a | 1162 | pe_find_data_imports (void) |
decc3638 CW |
1163 | { |
1164 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 1165 | |
4cd89863 NC |
1166 | if (link_info.pei386_auto_import == 0) |
1167 | return; | |
1168 | ||
f6e332e6 | 1169 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
decc3638 CW |
1170 | { |
1171 | if (undef->type == bfd_link_hash_undefined) | |
1af699f4 AM |
1172 | { |
1173 | /* C++ symbols are *long*. */ | |
a2a4d60d NC |
1174 | #define BUF_SIZE 4096 |
1175 | char buf[BUF_SIZE]; | |
c9e38879 NC |
1176 | |
1177 | if (pe_dll_extra_pe_debug) | |
1178 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
1179 | ||
a2a4d60d NC |
1180 | if (strlen (undef->root.string) > (BUF_SIZE - 6)) |
1181 | { | |
1182 | /* PR linker/18466. */ | |
1183 | einfo (_("%P: internal error: symbol too long: %s\n"), | |
1184 | undef->root.string); | |
1185 | return; | |
1186 | } | |
1187 | ||
1af699f4 | 1188 | sprintf (buf, "__imp_%s", undef->root.string); |
decc3638 | 1189 | |
1af699f4 | 1190 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); |
c9e38879 | 1191 | |
1af699f4 AM |
1192 | if (sym && sym->type == bfd_link_hash_defined) |
1193 | { | |
4cd89863 NC |
1194 | bfd *b = sym->u.def.section->owner; |
1195 | asymbol **symbols; | |
5c1d2f5f | 1196 | int nsyms, i; |
4cd89863 NC |
1197 | |
1198 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
1199 | { |
1200 | static bfd_boolean warned = FALSE; | |
1201 | ||
1202 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), | |
1203 | undef->root.string, buf); | |
1204 | ||
1205 | /* PR linker/4844. */ | |
1206 | if (! warned) | |
1207 | { | |
1208 | warned = TRUE; | |
1209 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ | |
44e36d8a | 1210 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
8524166d NC |
1211 | } |
1212 | } | |
4cd89863 | 1213 | |
5c1d2f5f AM |
1214 | if (!bfd_generic_link_read_symbols (b)) |
1215 | { | |
1216 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
1217 | return; | |
1218 | } | |
1219 | ||
1220 | symbols = bfd_get_outsymbols (b); | |
1221 | nsyms = bfd_get_symcount (b); | |
4cd89863 NC |
1222 | |
1223 | for (i = 0; i < nsyms; i++) | |
1224 | { | |
522f09cd KT |
1225 | if (! CONST_STRNEQ (symbols[i]->name, |
1226 | U ("_head_"))) | |
4cd89863 NC |
1227 | continue; |
1228 | ||
1229 | if (pe_dll_extra_pe_debug) | |
1230 | printf ("->%s\n", symbols[i]->name); | |
1231 | ||
522f09cd KT |
1232 | pe_data_import_dll = (char *) (symbols[i]->name |
1233 | + U_SIZE ("_head_") - 1); | |
4cd89863 NC |
1234 | break; |
1235 | } | |
1236 | ||
1237 | pe_walk_relocs_of_symbol (&link_info, undef->root.string, | |
1238 | make_import_fixup); | |
1239 | ||
1240 | /* Let's differentiate it somehow from defined. */ | |
1241 | undef->type = bfd_link_hash_defweak; | |
1242 | /* We replace original name with __imp_ prefixed, this | |
1243 | 1) may trash memory 2) leads to duplicate symbol generation. | |
1244 | Still, IMHO it's better than having name poluted. */ | |
1245 | undef->root.string = sym->root.string; | |
1246 | undef->u.def.value = sym->u.def.value; | |
1247 | undef->u.def.section = sym->u.def.section; | |
1af699f4 AM |
1248 | } |
1249 | } | |
decc3638 CW |
1250 | } |
1251 | } | |
252b5132 | 1252 | |
b34976b6 | 1253 | static bfd_boolean |
0c7a8e5a | 1254 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1255 | { |
80cc85a9 | 1256 | printf ("+%s\n", h->string); |
c9e38879 | 1257 | |
b34976b6 | 1258 | return TRUE; |
decc3638 | 1259 | } |
4b83d615 | 1260 | #endif /* DLL_SUPPORT */ |
decc3638 | 1261 | |
e4492aa0 | 1262 | static void |
3efd345c DK |
1263 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1264 | { | |
1265 | int *found = (int *) obj; | |
1266 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1267 | *found = 1; | |
1268 | } | |
decc3638 | 1269 | |
61e2488c JT |
1270 | static bfd_boolean |
1271 | pecoff_checksum_contents (bfd *abfd, | |
1272 | void (*process) (const void *, size_t, void *), | |
1273 | void *arg) | |
1274 | { | |
1275 | file_ptr filepos = (file_ptr) 0; | |
1276 | ||
1277 | while (1) | |
1278 | { | |
1279 | unsigned char b; | |
1280 | int status; | |
1281 | ||
1282 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1283 | return 0; | |
1284 | ||
1285 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1286 | if (status < 1) | |
1287 | { | |
1288 | break; | |
1289 | } | |
1290 | ||
1291 | (*process) (&b, 1, arg); | |
1292 | filepos += 1; | |
1293 | } | |
1294 | ||
1295 | return TRUE; | |
1296 | } | |
1297 | ||
1298 | static bfd_boolean | |
1299 | write_build_id (bfd *abfd) | |
1300 | { | |
1301 | struct pe_tdata *t = pe_data (abfd); | |
1302 | asection *asec; | |
1303 | struct bfd_link_order *link_order = NULL; | |
1304 | unsigned char *contents; | |
1305 | bfd_size_type size; | |
1306 | bfd_size_type build_id_size; | |
1307 | unsigned char *build_id; | |
1308 | ||
74fffc39 | 1309 | /* Find the section the .buildid output section has been merged info. */ |
61e2488c JT |
1310 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
1311 | { | |
1312 | struct bfd_link_order *l = NULL; | |
1313 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
1314 | { | |
b6518b38 | 1315 | if (l->type == bfd_indirect_link_order) |
61e2488c JT |
1316 | { |
1317 | if (l->u.indirect.section == t->build_id.sec) | |
1318 | { | |
1319 | link_order = l; | |
1320 | break; | |
1321 | } | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | if (link_order) | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | if (!link_order) | |
1330 | { | |
74fffc39 | 1331 | einfo (_("%P: warning: .buildid section discarded," |
61e2488c JT |
1332 | " --build-id ignored.\n")); |
1333 | return TRUE; | |
1334 | } | |
1335 | ||
1336 | if (t->build_id.sec->contents == NULL) | |
1337 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1338 | contents = t->build_id.sec->contents; | |
1339 | size = t->build_id.sec->size; | |
1340 | ||
1341 | build_id_size = compute_build_id_size (t->build_id.style); | |
1342 | build_id = xmalloc (build_id_size); | |
1343 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1344 | ||
1345 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1346 | ||
1347 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1348 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1349 | idd.Characteristics = 0; | |
1350 | idd.TimeDateStamp = 0; | |
1351 | idd.MajorVersion = 0; | |
1352 | idd.MinorVersion = 0; | |
1353 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1354 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1355 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1356 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1357 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1358 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1359 | ||
1360 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1361 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1362 | ||
1363 | /* Write the debug directory entry. */ | |
1364 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1365 | return 0; | |
1366 | ||
b6518b38 | 1367 | if (bfd_bwrite (contents, size, abfd) != size) |
61e2488c JT |
1368 | return 0; |
1369 | ||
1370 | /* Construct the CodeView record. */ | |
1371 | CODEVIEW_INFO cvinfo; | |
1372 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1373 | cvinfo.Age = 1; | |
1374 | ||
1375 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1376 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1377 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1378 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1379 | ||
1380 | free (build_id); | |
1381 | ||
1382 | /* Write the codeview record. */ | |
1383 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1384 | return 0; | |
1385 | ||
1386 | /* Record the location of the debug directory in the data directory. */ | |
1387 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1388 | = asec->vma - ib + link_order->offset; | |
1389 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1390 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1391 | ||
1392 | return TRUE; | |
1393 | } | |
1394 | ||
74fffc39 | 1395 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
61e2488c JT |
1396 | static bfd_boolean |
1397 | setup_build_id (bfd *ibfd) | |
1398 | { | |
1399 | asection *s; | |
1400 | flagword flags; | |
1401 | ||
1402 | if (!validate_build_id_style (emit_build_id)) | |
1403 | { | |
1404 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
1405 | return FALSE; | |
1406 | } | |
1407 | ||
1408 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1409 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
74fffc39 | 1410 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
61e2488c JT |
1411 | if (s != NULL) |
1412 | { | |
1413 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1414 | t->build_id.after_write_object_contents = &write_build_id; | |
1415 | t->build_id.style = emit_build_id; | |
1416 | t->build_id.sec = s; | |
1417 | ||
1418 | /* Section is a fixed size: | |
1419 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1420 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1421 | null byte for PdbFileName. */ | |
1422 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1423 | + sizeof (CV_INFO_PDB70) + 1; | |
1424 | ||
1425 | return TRUE; | |
1426 | } | |
1427 | ||
74fffc39 | 1428 | einfo ("%P: warning: Cannot create .buildid section," |
61e2488c JT |
1429 | " --build-id ignored.\n"); |
1430 | return FALSE; | |
1431 | } | |
1432 | ||
252b5132 | 1433 | static void |
0c7a8e5a | 1434 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1435 | { |
5c3049d2 AM |
1436 | after_open_default (); |
1437 | ||
4b83d615 | 1438 | #ifdef DLL_SUPPORT |
3fc90ddb | 1439 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1440 | { |
1441 | bfd *a; | |
1442 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1443 | |
decc3638 CW |
1444 | printf ("%s()\n", __FUNCTION__); |
1445 | ||
f6e332e6 | 1446 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1447 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1448 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1449 | |
c72f2fb2 | 1450 | for (a = link_info.input_bfds; a; a = a->link.next) |
c9e38879 | 1451 | printf ("*%s\n",a->filename); |
decc3638 | 1452 | } |
4b83d615 | 1453 | #endif |
3fc90ddb | 1454 | |
61e2488c JT |
1455 | if (emit_build_id != NULL) |
1456 | { | |
1457 | bfd *abfd; | |
1458 | ||
1459 | /* Find a COFF input. */ | |
1460 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1461 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1462 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1463 | break; | |
1464 | ||
1465 | /* If there are no COFF input files do not try to | |
1466 | add a build-id section. */ | |
1467 | if (abfd == NULL | |
1468 | || !setup_build_id (abfd)) | |
1469 | { | |
1470 | free ((char *) emit_build_id); | |
1471 | emit_build_id = NULL; | |
1472 | } | |
1473 | } | |
1474 | ||
252b5132 RH |
1475 | /* Pass the wacky PE command line options into the output bfd. |
1476 | FIXME: This should be done via a function, rather than by | |
1477 | including an internal BFD header. */ | |
3fc90ddb | 1478 | |
f13a99db AM |
1479 | if (coff_data (link_info.output_bfd) == NULL |
1480 | || coff_data (link_info.output_bfd)->pe == 0) | |
1481 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1482 | link_info.output_bfd); | |
252b5132 | 1483 | |
f13a99db AM |
1484 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1485 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1486 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
0cb112f7 | 1487 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
3efd345c DK |
1488 | |
1489 | /* At this point we must decide whether to use long section names | |
1490 | in the output or not. If the user hasn't explicitly specified | |
1491 | on the command line, we leave it to the default for the format | |
1492 | (object files yes, image files no), except if there is debug | |
1493 | information present; GDB relies on the long section names to | |
1494 | find it, so enable it in that case. */ | |
1495 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1496 | { | |
0e1862bb | 1497 | if (bfd_link_relocatable (&link_info)) |
61e2488c JT |
1498 | pe_use_coff_long_section_names = 1; |
1499 | else | |
3efd345c | 1500 | { |
61e2488c JT |
1501 | /* Iterate over all sections of all input BFDs, checking |
1502 | for any that begin 'debug_' and are long names. */ | |
1503 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1504 | { | |
1505 | int found_debug = 0; | |
1506 | ||
1507 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1508 | if (found_debug) | |
1509 | { | |
1510 | pe_use_coff_long_section_names = 1; | |
1511 | break; | |
1512 | } | |
1513 | } | |
3efd345c DK |
1514 | } |
1515 | } | |
1516 | ||
88183869 | 1517 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1518 | |
c6c37250 | 1519 | #ifdef DLL_SUPPORT |
252b5132 RH |
1520 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
1521 | pe_fixup_stdcalls (); | |
1522 | ||
f13a99db | 1523 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1524 | |
3fc90ddb | 1525 | pe_find_data_imports (); |
decc3638 | 1526 | |
8a9eab9b KT |
1527 | /* As possibly new symbols are added by imports, we rerun |
1528 | stdcall/fastcall fixup here. */ | |
1529 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ | |
1530 | pe_fixup_stdcalls (); | |
1531 | ||
7148cc28 NC |
1532 | #if defined (TARGET_IS_i386pe) \ |
1533 | || defined (TARGET_IS_armpe) \ | |
1534 | || defined (TARGET_IS_arm_epoc_pe) \ | |
1535 | || defined (TARGET_IS_arm_wince_pe) | |
0e1862bb | 1536 | if (!bfd_link_relocatable (&link_info)) |
f13a99db | 1537 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 | 1538 | #else |
0e1862bb | 1539 | if (bfd_link_pic (&link_info)) |
f13a99db | 1540 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1541 | else |
1542 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1543 | #endif |
7148cc28 | 1544 | #endif /* DLL_SUPPORT */ |
252b5132 | 1545 | |
7148cc28 | 1546 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1547 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1548 | { |
1549 | /* The arm backend needs special fields in the output hash structure. | |
1550 | These will only be created if the output format is an arm format, | |
1551 | hence we do not support linking and changing output formats at the | |
1552 | same time. Use a link followed by objcopy to change output formats. */ | |
1553 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
1554 | return; | |
1555 | } | |
252b5132 RH |
1556 | { |
1557 | /* Find a BFD that can hold the interworking stubs. */ | |
1558 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1559 | { | |
7148cc28 | 1560 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1561 | break; |
1562 | } | |
1563 | } | |
1564 | #endif | |
c6c37250 | 1565 | |
486e80e2 | 1566 | { |
486e80e2 DD |
1567 | /* This next chunk of code tries to detect the case where you have |
1568 | two import libraries for the same DLL (specifically, | |
1569 | symbolically linking libm.a and libc.a in cygwin to | |
1570 | libcygwin.a). In those cases, it's possible for function | |
1571 | thunks from the second implib to be used but without the | |
1572 | head/tail objects, causing an improper import table. We detect | |
1573 | those cases and rename the "other" import libraries to match | |
1574 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1575 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1576 | |
1577 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1578 | { | |
1579 | if (is->the_bfd->my_archive) | |
1580 | { | |
1581 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1582 | asection *sec; | |
3fc90ddb | 1583 | |
6e45556a | 1584 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1585 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1586 | { | |
1587 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1588 | idata2 = 1; | |
0112cd26 | 1589 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1590 | is_imp = 1; |
1591 | reloc_count += sec->reloc_count; | |
1592 | } | |
3fc90ddb | 1593 | |
486e80e2 DD |
1594 | if (is_imp && !idata2 && reloc_count) |
1595 | { | |
6e45556a NC |
1596 | /* It is, look for the reference to head and see if it's |
1597 | from our own library. */ | |
486e80e2 DD |
1598 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1599 | { | |
1600 | int i; | |
6e45556a | 1601 | long relsize; |
102c86f8 | 1602 | asymbol **symbols; |
102c86f8 NC |
1603 | arelent **relocs; |
1604 | int nrelocs; | |
3fc90ddb | 1605 | |
102c86f8 | 1606 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1607 | if (relsize < 1) |
1608 | break; | |
3fc90ddb | 1609 | |
5c1d2f5f | 1610 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1611 | { |
5c1d2f5f AM |
1612 | einfo (_("%B%F: could not read symbols: %E\n"), |
1613 | is->the_bfd); | |
6e45556a NC |
1614 | return; |
1615 | } | |
5c1d2f5f | 1616 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1617 | |
d127ecce | 1618 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1619 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1620 | relocs, symbols); |
6e45556a NC |
1621 | if (nrelocs < 0) |
1622 | { | |
1623 | free (relocs); | |
44e36d8a | 1624 | einfo ("%X%P: unable to process relocs: %E\n"); |
6e45556a NC |
1625 | return; |
1626 | } | |
3fc90ddb | 1627 | |
6e45556a | 1628 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1629 | { |
fc0a2244 | 1630 | struct bfd_symbol *s; |
6e45556a | 1631 | struct bfd_link_hash_entry * blhe; |
2a08daf3 | 1632 | char *other_bfd_filename; |
6e45556a | 1633 | char *n; |
3fc90ddb | 1634 | |
486e80e2 | 1635 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1636 | |
6e45556a NC |
1637 | if (s->flags & BSF_LOCAL) |
1638 | continue; | |
3fc90ddb | 1639 | |
6e45556a NC |
1640 | /* Thunk section with reloc to another bfd. */ |
1641 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1642 | s->name, | |
b34976b6 | 1643 | FALSE, FALSE, TRUE); |
3fc90ddb | 1644 | |
6e45556a NC |
1645 | if (blhe == NULL |
1646 | || blhe->type != bfd_link_hash_defined) | |
1647 | continue; | |
3fc90ddb | 1648 | |
2a08daf3 DS |
1649 | other_bfd_filename |
1650 | = blhe->u.def.section->owner->my_archive | |
1651 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1652 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1653 | |
42627821 KT |
1654 | if (filename_cmp (bfd_get_filename |
1655 | (is->the_bfd->my_archive), | |
1656 | other_bfd_filename) == 0) | |
6e45556a | 1657 | continue; |
3fc90ddb | 1658 | |
c034e3e0 | 1659 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1660 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1661 | strcpy (n, other_bfd_filename); | |
1662 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
1663 | } |
1664 | ||
1665 | free (relocs); | |
6e45556a NC |
1666 | /* Note - we do not free the symbols, |
1667 | they are now cached in the BFD. */ | |
486e80e2 DD |
1668 | } |
1669 | } | |
1670 | } | |
1671 | } | |
1672 | } | |
1673 | ||
c6c37250 | 1674 | { |
f0c87f88 | 1675 | int is_ms_arch = 0; |
1069dd8d | 1676 | bfd *cur_arch = 0; |
c6c37250 | 1677 | lang_input_statement_type *is2; |
44dbf363 | 1678 | lang_input_statement_type *is3; |
1069dd8d | 1679 | |
c6c37250 DD |
1680 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1681 | /* Microsoft import libraries have every member named the same, | |
1682 | and not in the right order for us to link them correctly. We | |
1683 | must detect these and rename the members so that they'll link | |
1684 | correctly. There are three types of objects: the head, the | |
1685 | thunks, and the sentinel(s). The head is easy; it's the one | |
1686 | with idata2. We assume that the sentinels won't have relocs, | |
1687 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1688 | table for external references. */ |
c6c37250 DD |
1689 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1690 | { | |
1691 | if (is->the_bfd->my_archive) | |
1692 | { | |
44dbf363 | 1693 | char *pnt; |
c6c37250 | 1694 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1695 | |
c6c37250 DD |
1696 | if (cur_arch != arch) |
1697 | { | |
1698 | cur_arch = arch; | |
1699 | is_ms_arch = 1; | |
44dbf363 NC |
1700 | |
1701 | for (is3 = is; | |
1702 | is3 && is3->the_bfd->my_archive == arch; | |
1703 | is3 = (lang_input_statement_type *) is3->next) | |
1704 | { | |
1af699f4 | 1705 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1706 | members, so look for the first element with a .dll |
1707 | extension, and use that for the remainder of the | |
1708 | comparisons. */ | |
1709 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
42627821 | 1710 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1711 | break; |
44dbf363 NC |
1712 | } |
1713 | ||
1714 | if (is3 == NULL) | |
1715 | is_ms_arch = 0; | |
1716 | else | |
c6c37250 | 1717 | { |
44dbf363 NC |
1718 | /* OK, found one. Now look to see if the remaining |
1719 | (dynamic import) members use the same name. */ | |
1720 | for (is2 = is; | |
1721 | is2 && is2->the_bfd->my_archive == arch; | |
1722 | is2 = (lang_input_statement_type *) is2->next) | |
1723 | { | |
1724 | /* Skip static members, ie anything with a .obj | |
1725 | extension. */ | |
1726 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
42627821 | 1727 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1728 | continue; |
1729 | ||
42627821 KT |
1730 | if (filename_cmp (is3->the_bfd->filename, |
1731 | is2->the_bfd->filename)) | |
44dbf363 NC |
1732 | { |
1733 | is_ms_arch = 0; | |
1734 | break; | |
1735 | } | |
1736 | } | |
c6c37250 DD |
1737 | } |
1738 | } | |
1739 | ||
44dbf363 NC |
1740 | /* This fragment might have come from an .obj file in a Microsoft |
1741 | import, and not an actual import record. If this is the case, | |
1742 | then leave the filename alone. */ | |
1743 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1744 | ||
42627821 | 1745 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1746 | { |
1069dd8d | 1747 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1748 | asection *sec; |
1749 | char *new_name, seq; | |
1069dd8d | 1750 | |
c6c37250 DD |
1751 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1752 | { | |
1753 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1754 | idata2 = 1; | |
1755 | reloc_count += sec->reloc_count; | |
1756 | } | |
1757 | ||
1758 | if (idata2) /* .idata2 is the TOC */ | |
1759 | seq = 'a'; | |
1760 | else if (reloc_count > 0) /* thunks */ | |
1761 | seq = 'b'; | |
1762 | else /* sentinel */ | |
1763 | seq = 'c'; | |
1764 | ||
e4e24acb | 1765 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1766 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1767 | is->the_bfd->filename = new_name; | |
1768 | ||
690a460e | 1769 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1770 | sprintf (new_name, "%s.%c", is->filename, seq); |
1771 | is->filename = new_name; | |
1772 | } | |
1773 | } | |
1774 | } | |
1775 | } | |
54727719 NC |
1776 | |
1777 | { | |
1778 | /* The following chunk of code tries to identify jump stubs in | |
1779 | import libraries which are dead code and eliminates them | |
1780 | from the final link. For each exported symbol <sym>, there | |
1781 | is a object file in the import library with a .text section | |
d34c1c51 | 1782 | and several .idata\$* sections. The .text section contains the |
54727719 | 1783 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1784 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1785 | for __imp_<sym> which is the address of the slot for <sym> in |
1786 | the import address table. When a symbol is imported explicitly | |
1787 | using __declspec(dllimport) declaration, the compiler generates | |
1788 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1789 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1790 | needed. The following code tries to identify jump stub sections |
1791 | in import libraries which are not referred to by anyone and | |
1792 | marks them for exclusion from the final link. */ | |
1793 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1794 | { | |
1795 | if (is->the_bfd->my_archive) | |
1796 | { | |
1797 | int is_imp = 0; | |
1798 | asection *sec, *stub_sec = NULL; | |
1799 | ||
1800 | /* See if this is an import library thunk. */ | |
1801 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1802 | { | |
1803 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1804 | is_imp = 1; | |
1805 | /* The section containing the jmp stub has code | |
1806 | and has a reloc. */ | |
1807 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1808 | stub_sec = sec; | |
1809 | } | |
92b93329 | 1810 | |
54727719 NC |
1811 | if (is_imp && stub_sec) |
1812 | { | |
54727719 | 1813 | asymbol **symbols; |
5c1d2f5f | 1814 | long nsyms, src_count; |
54727719 NC |
1815 | struct bfd_link_hash_entry * blhe; |
1816 | ||
5c1d2f5f AM |
1817 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1818 | { | |
1819 | einfo (_("%B%F: could not read symbols: %E\n"), | |
1820 | is->the_bfd); | |
1821 | return; | |
1822 | } | |
1823 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1824 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1825 | |
5c1d2f5f | 1826 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1827 | { |
1828 | if (symbols[src_count]->section->id == stub_sec->id) | |
1829 | { | |
1830 | /* This symbol belongs to the section containing | |
1831 | the stub. */ | |
1832 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1833 | symbols[src_count]->name, | |
1834 | FALSE, FALSE, TRUE); | |
1835 | /* If the symbol in the stub section has no other | |
1836 | undefined references, exclude the stub section | |
1837 | from the final link. */ | |
e0605dbe AM |
1838 | if (blhe != NULL |
1839 | && blhe->type == bfd_link_hash_defined | |
1840 | && blhe->u.undef.next == NULL | |
1841 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1842 | stub_sec->flags |= SEC_EXCLUDE; |
1843 | } | |
1844 | } | |
54727719 NC |
1845 | } |
1846 | } | |
1847 | } | |
1848 | } | |
252b5132 RH |
1849 | } |
1850 | \f | |
3fc90ddb | 1851 | static void |
0c7a8e5a | 1852 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1853 | { |
1854 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1855 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1856 | { |
1857 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1858 | { | |
1859 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1860 | { | |
1861 | /* xgettext:c-format */ | |
1862 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1863 | } | |
1864 | } | |
1865 | } | |
1866 | ||
c9e38879 | 1867 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1868 | ppc_allocate_toc_section (&link_info); |
1869 | #endif /* TARGET_IS_ppcpe */ | |
1870 | ||
7148cc28 | 1871 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1872 | /* FIXME: we should be able to set the size of the interworking stub |
1873 | section. | |
1874 | ||
1875 | Here we rummage through the found bfds to collect glue | |
1876 | information. FIXME: should this be based on a command line | |
c9e38879 | 1877 | option? krk@cygnus.com. */ |
252b5132 RH |
1878 | { |
1879 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1880 | { | |
7148cc28 | 1881 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1882 | (is->the_bfd, & link_info, support_old_code)) |
1883 | { | |
1884 | /* xgettext:c-format */ | |
44e36d8a | 1885 | einfo (_("Errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1886 | is->filename); |
1887 | } | |
1888 | } | |
1889 | } | |
1890 | ||
c9e38879 | 1891 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 NC |
1892 | bfd_arm_allocate_interworking_sections (& link_info); |
1893 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ | |
8423293d | 1894 | |
1e035701 | 1895 | before_allocation_default (); |
252b5132 RH |
1896 | } |
1897 | \f | |
690a460e | 1898 | #ifdef DLL_SUPPORT |
252b5132 | 1899 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1900 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1901 | |
252b5132 | 1902 | static int |
0c7a8e5a | 1903 | saw_option (char *option) |
252b5132 RH |
1904 | { |
1905 | int i; | |
c9e38879 NC |
1906 | |
1907 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1908 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1909 | return init[i].inited; |
1910 | return 0; | |
1911 | } | |
690a460e | 1912 | #endif /* DLL_SUPPORT */ |
252b5132 | 1913 | |
b34976b6 | 1914 | static bfd_boolean |
0c7a8e5a | 1915 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1916 | { |
c6c37250 | 1917 | #ifdef DLL_SUPPORT |
252b5132 RH |
1918 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1919 | ||
42627821 | 1920 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1921 | { |
f2d3750d | 1922 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1923 | |
1924 | if (pe_def_file) | |
252b5132 | 1925 | { |
c9e38879 NC |
1926 | int i, buflen=0, len; |
1927 | char *buf; | |
252b5132 | 1928 | |
c9e38879 | 1929 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1930 | { |
939ba9d0 | 1931 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1932 | if (buflen < len + 2) |
1933 | buflen = len + 2; | |
252b5132 | 1934 | } |
252b5132 | 1935 | |
d127ecce | 1936 | buf = xmalloc (buflen); |
252b5132 | 1937 | |
c9e38879 NC |
1938 | for (i = 0; i < pe_def_file->num_exports; i++) |
1939 | { | |
1940 | struct bfd_link_hash_entry *h; | |
1941 | ||
522f09cd KT |
1942 | sprintf (buf, "%s%s", U (""), |
1943 | pe_def_file->exports[i].internal_name); | |
c9e38879 | 1944 | |
b34976b6 | 1945 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 NC |
1946 | if (h == (struct bfd_link_hash_entry *) NULL) |
1947 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1948 | if (h->type == bfd_link_hash_new) | |
1949 | { | |
1950 | h->type = bfd_link_hash_undefined; | |
1951 | h->u.undef.abfd = NULL; | |
1952 | bfd_link_add_undef (link_info.hash, h); | |
1953 | } | |
1954 | } | |
1955 | free (buf); | |
1956 | ||
1957 | /* def_file_print (stdout, pe_def_file); */ | |
1958 | if (pe_def_file->is_dll == 1) | |
64d94ba0 | 1959 | link_info.type = type_dll; |
c9e38879 NC |
1960 | |
1961 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1962 | { | |
f13a99db AM |
1963 | pe.ImageBase |
1964 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1965 | = init[IMAGEBASEOFF].value | |
1966 | = pe_def_file->base_address; | |
c9e38879 NC |
1967 | init[IMAGEBASEOFF].inited = 1; |
1968 | if (image_base_statement) | |
eb8476a6 MR |
1969 | image_base_statement->exp |
1970 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
1971 | FALSE); | |
c9e38879 | 1972 | } |
252b5132 | 1973 | |
c9e38879 NC |
1974 | if (pe_def_file->stack_reserve != -1 |
1975 | && ! saw_option ("__size_of_stack_reserve__")) | |
1976 | { | |
1977 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1978 | if (pe_def_file->stack_commit != -1) | |
1979 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1980 | } | |
1981 | if (pe_def_file->heap_reserve != -1 | |
1982 | && ! saw_option ("__size_of_heap_reserve__")) | |
1983 | { | |
1984 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1985 | if (pe_def_file->heap_commit != -1) | |
1986 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1987 | } | |
b34976b6 | 1988 | return TRUE; |
c9e38879 | 1989 | } |
252b5132 | 1990 | } |
252b5132 | 1991 | #endif |
b34976b6 | 1992 | return FALSE; |
252b5132 RH |
1993 | } |
1994 | ||
b34976b6 | 1995 | static bfd_boolean |
0c7a8e5a | 1996 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1997 | { |
c6c37250 | 1998 | #ifdef DLL_SUPPORT |
252b5132 | 1999 | #ifdef TARGET_IS_i386pe |
c6c37250 | 2000 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
2001 | #endif |
2002 | #ifdef TARGET_IS_shpe | |
2003 | pe_dll_id_target ("pei-shl"); | |
2004 | #endif | |
344a211f NC |
2005 | #ifdef TARGET_IS_armpe |
2006 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 NC |
2007 | #endif |
2008 | #ifdef TARGET_IS_arm_epoc_pe | |
2009 | pe_dll_id_target ("epoc-pei-arm-little"); | |
2010 | #endif | |
2011 | #ifdef TARGET_IS_arm_wince_pe | |
2012 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 2013 | #endif |
ff2bdb9c CF |
2014 | if (pe_bfd_is_dll (entry->the_bfd)) |
2015 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 2016 | #endif |
b34976b6 | 2017 | return FALSE; |
252b5132 RH |
2018 | } |
2019 | ||
2020 | static void | |
0c7a8e5a | 2021 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 2022 | { |
7148cc28 | 2023 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
2024 | struct bfd_link_hash_entry * h; |
2025 | ||
2026 | if (thumb_entry_symbol != NULL) | |
2027 | { | |
b34976b6 AM |
2028 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
2029 | FALSE, FALSE, TRUE); | |
3fc90ddb | 2030 | |
6f798e5c NC |
2031 | if (h != (struct bfd_link_hash_entry *) NULL |
2032 | && (h->type == bfd_link_hash_defined | |
2033 | || h->type == bfd_link_hash_defweak) | |
2034 | && h->u.def.section->output_section != NULL) | |
2035 | { | |
2036 | static char buffer[32]; | |
2037 | bfd_vma val; | |
3fc90ddb | 2038 | |
6f798e5c NC |
2039 | /* Special procesing is required for a Thumb entry symbol. The |
2040 | bottom bit of its address must be set. */ | |
2041 | val = (h->u.def.value | |
f13a99db | 2042 | + bfd_get_section_vma (link_info.output_bfd, |
6f798e5c NC |
2043 | h->u.def.section->output_section) |
2044 | + h->u.def.section->output_offset); | |
3fc90ddb | 2045 | |
6f798e5c | 2046 | val |= 1; |
3fc90ddb | 2047 | |
6f798e5c NC |
2048 | /* Now convert this value into a string and store it in entry_symbol |
2049 | where the lang_finish() function will pick it up. */ | |
2050 | buffer[0] = '0'; | |
2051 | buffer[1] = 'x'; | |
3fc90ddb | 2052 | |
6f798e5c | 2053 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 2054 | |
e3e942e9 | 2055 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 2056 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
2057 | thumb_entry_symbol, entry_symbol.name); |
2058 | entry_symbol.name = buffer; | |
6f798e5c NC |
2059 | } |
2060 | else | |
c58dea77 | 2061 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 2062 | } |
7148cc28 | 2063 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 2064 | |
1e035701 AM |
2065 | finish_default (); |
2066 | ||
c6c37250 | 2067 | #ifdef DLL_SUPPORT |
0e1862bb | 2068 | if (bfd_link_pic (&link_info) |
e8044f35 | 2069 | #if !defined(TARGET_IS_shpe) |
0e1862bb L |
2070 | || (!bfd_link_relocatable (&link_info) |
2071 | && pe_def_file->num_exports != 0) | |
2b817be1 NC |
2072 | #endif |
2073 | ) | |
252b5132 | 2074 | { |
f13a99db | 2075 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
252b5132 | 2076 | if (pe_implib_filename) |
e1c37eb5 | 2077 | pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info); |
252b5132 | 2078 | } |
e8044f35 | 2079 | #if defined(TARGET_IS_shpe) |
690a460e | 2080 | /* ARM doesn't need relocs. */ |
344a211f NC |
2081 | else |
2082 | { | |
f13a99db | 2083 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
2084 | } |
2085 | #endif | |
3fc90ddb | 2086 | |
252b5132 RH |
2087 | if (pe_out_def_filename) |
2088 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 2089 | #endif /* DLL_SUPPORT */ |
decc3638 | 2090 | |
c9e38879 | 2091 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 2092 | { |
f13a99db | 2093 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 2094 | |
decc3638 CW |
2095 | if (asec) |
2096 | { | |
1af699f4 AM |
2097 | asec->flags &= ~SEC_CODE; |
2098 | asec->flags |= SEC_DATA; | |
decc3638 CW |
2099 | } |
2100 | } | |
252b5132 RH |
2101 | } |
2102 | ||
2103 | \f | |
2104 | /* Place an orphan section. | |
2105 | ||
2106 | We use this to put sections in a reasonable place in the file, and | |
2107 | to ensure that they are aligned as required. | |
2108 | ||
d34c1c51 | 2109 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
2110 | goes into the output section .foo. All grouped sections are sorted |
2111 | by name. | |
2112 | ||
2113 | Grouped sections for the default sections are handled by the | |
2114 | default linker script using wildcards, and are sorted by | |
2115 | sort_sections. */ | |
2116 | ||
c2edb4b8 | 2117 | static lang_output_section_statement_type * |
8a99a385 AM |
2118 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2119 | const char *secname, | |
2120 | int constraint) | |
252b5132 | 2121 | { |
bcacc0f5 | 2122 | const char *orig_secname = secname; |
f0c87f88 | 2123 | char *dollar = NULL; |
aea4bd9d | 2124 | lang_output_section_statement_type *os; |
5ba47421 | 2125 | lang_statement_list_type add_child; |
b5f14a6d | 2126 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2127 | lang_statement_union_type **pl; |
252b5132 | 2128 | |
252b5132 | 2129 | /* Look through the script to see where to place this section. */ |
0e1862bb | 2130 | if (!bfd_link_relocatable (&link_info) |
d34c1c51 | 2131 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2132 | { |
bcacc0f5 | 2133 | size_t len = dollar - secname; |
afd7a018 | 2134 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2135 | memcpy (newname, secname, len); |
afd7a018 AM |
2136 | newname[len] = '\0'; |
2137 | secname = newname; | |
6eec49fc | 2138 | } |
252b5132 | 2139 | |
5ba47421 AM |
2140 | lang_list_init (&add_child); |
2141 | ||
d127ecce AM |
2142 | os = NULL; |
2143 | if (constraint == 0) | |
2144 | for (os = lang_output_section_find (secname); | |
2145 | os != NULL; | |
2146 | os = next_matching_output_section_statement (os, 0)) | |
2147 | { | |
2148 | /* If we don't match an existing output section, tell | |
2149 | lang_insert_orphan to create a new output section. */ | |
2150 | constraint = SPECIAL; | |
2151 | ||
2152 | if (os->bfd_section != NULL | |
2153 | && (os->bfd_section->flags == 0 | |
2154 | || ((s->flags ^ os->bfd_section->flags) | |
2155 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2156 | { | |
2157 | /* We already have an output section statement with this | |
2158 | name, and its bfd section has compatible flags. | |
2159 | If the section already exists but does not have any flags set, | |
2160 | then it has been created by the linker, probably as a result of | |
2161 | a --section-start command line switch. */ | |
b9c361e0 | 2162 | lang_add_section (&add_child, s, NULL, os); |
d127ecce AM |
2163 | break; |
2164 | } | |
b5f14a6d DD |
2165 | |
2166 | /* Save unused output sections in case we can match them | |
2167 | against orphans later. */ | |
2168 | if (os->bfd_section == NULL) | |
2169 | match_by_name = os; | |
d127ecce AM |
2170 | } |
2171 | ||
b5f14a6d DD |
2172 | /* If we didn't match an active output section, see if we matched an |
2173 | unused one and use that. */ | |
2174 | if (os == NULL && match_by_name) | |
2175 | { | |
b9c361e0 | 2176 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2177 | return match_by_name; |
2178 | } | |
2179 | ||
d127ecce | 2180 | if (os == NULL) |
252b5132 | 2181 | { |
afd7a018 AM |
2182 | static struct orphan_save hold[] = |
2183 | { | |
2184 | { ".text", | |
2185 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2186 | 0, 0, 0, 0 }, | |
d4874973 KT |
2187 | { ".idata", |
2188 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2189 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2190 | { ".rdata", |
2191 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2192 | 0, 0, 0, 0 }, | |
2193 | { ".data", | |
2194 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2195 | 0, 0, 0, 0 }, | |
2196 | { ".bss", | |
2197 | SEC_ALLOC, | |
2198 | 0, 0, 0, 0 } | |
2199 | }; | |
2200 | enum orphan_save_index | |
2201 | { | |
2202 | orphan_text = 0, | |
d4874973 | 2203 | orphan_idata, |
afd7a018 AM |
2204 | orphan_rodata, |
2205 | orphan_data, | |
2206 | orphan_bss | |
2207 | }; | |
2208 | static int orphan_init_done = 0; | |
6a345e87 | 2209 | struct orphan_save *place; |
afd7a018 | 2210 | lang_output_section_statement_type *after; |
252b5132 | 2211 | etree_type *address; |
93638471 AM |
2212 | flagword flags; |
2213 | asection *nexts; | |
afd7a018 AM |
2214 | |
2215 | if (!orphan_init_done) | |
2216 | { | |
2217 | struct orphan_save *ho; | |
2218 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2219 | if (ho->name != NULL) | |
2220 | { | |
2221 | ho->os = lang_output_section_find (ho->name); | |
2222 | if (ho->os != NULL && ho->os->flags == 0) | |
2223 | ho->os->flags = ho->flags; | |
2224 | } | |
2225 | orphan_init_done = 1; | |
2226 | } | |
252b5132 RH |
2227 | |
2228 | /* Try to put the new output section in a reasonable place based | |
2229 | on the section name and section flags. */ | |
aea4bd9d | 2230 | |
93638471 AM |
2231 | flags = s->flags; |
2232 | nexts = s; | |
2233 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, nexts))) | |
2234 | if (nexts->output_section == NULL | |
2235 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2236 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2237 | && (nexts->owner->flags & DYNAMIC) == 0 | |
2238 | && nexts->owner->usrdata != NULL | |
2239 | && !(((lang_input_statement_type *) nexts->owner->usrdata) | |
2240 | ->flags.just_syms)) | |
2241 | flags = (((flags ^ SEC_READONLY) | (nexts->flags ^ SEC_READONLY)) | |
2242 | ^ SEC_READONLY); | |
252b5132 | 2243 | place = NULL; |
93638471 | 2244 | if ((flags & SEC_ALLOC) == 0) |
5ba47421 | 2245 | ; |
93638471 | 2246 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
afd7a018 | 2247 | place = &hold[orphan_bss]; |
93638471 | 2248 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2249 | place = &hold[orphan_data]; |
93638471 | 2250 | else if ((flags & SEC_CODE) == 0) |
d4874973 KT |
2251 | { |
2252 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2253 | : &hold[orphan_rodata]); | |
2254 | } | |
1af699f4 | 2255 | else |
afd7a018 | 2256 | place = &hold[orphan_text]; |
1af699f4 | 2257 | |
afd7a018 | 2258 | after = NULL; |
1af699f4 AM |
2259 | if (place != NULL) |
2260 | { | |
afd7a018 AM |
2261 | if (place->os == NULL) |
2262 | place->os = lang_output_section_find (place->name); | |
2263 | after = place->os; | |
2264 | if (after == NULL) | |
93638471 AM |
2265 | after = lang_output_section_find_by_flags (s, flags, &place->os, |
2266 | NULL); | |
afd7a018 AM |
2267 | if (after == NULL) |
2268 | /* *ABS* is always the first output section statement. */ | |
2269 | after = (&lang_output_section_statement.head | |
2270 | ->output_section_statement); | |
252b5132 RH |
2271 | } |
2272 | ||
4bf0cafb DK |
2273 | /* All sections in an executable must be aligned to a page boundary. |
2274 | In a relocatable link, just preserve the incoming alignment; the | |
2275 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2276 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2277 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2278 | &add_child); | |
0e1862bb | 2279 | if (bfd_link_relocatable (&link_info)) |
4bf0cafb DK |
2280 | { |
2281 | os->section_alignment = s->alignment_power; | |
2282 | os->bfd_section->alignment_power = s->alignment_power; | |
2283 | } | |
252b5132 RH |
2284 | } |
2285 | ||
011aa75f AM |
2286 | /* If the section name has a '\$', sort it with the other '\$' |
2287 | sections. */ | |
2288 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2289 | { | |
2290 | lang_input_section_type *ls; | |
2291 | const char *lname; | |
252b5132 | 2292 | |
011aa75f AM |
2293 | if ((*pl)->header.type != lang_input_section_enum) |
2294 | continue; | |
252b5132 | 2295 | |
011aa75f | 2296 | ls = &(*pl)->input_section; |
252b5132 | 2297 | |
011aa75f AM |
2298 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
2299 | if (strchr (lname, '\$') != NULL | |
2300 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2301 | break; | |
2302 | } | |
5ba47421 | 2303 | |
011aa75f AM |
2304 | if (add_child.head != NULL) |
2305 | { | |
2306 | *add_child.tail = *pl; | |
2307 | *pl = add_child.head; | |
2308 | } | |
252b5132 | 2309 | |
c2edb4b8 | 2310 | return os; |
252b5132 RH |
2311 | } |
2312 | ||
b34976b6 | 2313 | static bfd_boolean |
0c7a8e5a | 2314 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2315 | (const char *arch ATTRIBUTE_UNUSED, |
2316 | search_dirs_type *search, | |
0c7a8e5a | 2317 | lang_input_statement_type *entry) |
690a460e | 2318 | { |
45e948fe NC |
2319 | static const struct |
2320 | { | |
2321 | const char * format; | |
2322 | bfd_boolean use_prefix; | |
2323 | } | |
2324 | libname_fmt [] = | |
2325 | { | |
2326 | /* Preferred explicit import library for dll's. */ | |
2327 | { "lib%s.dll.a", FALSE }, | |
2328 | /* Alternate explicit import library for dll's. */ | |
2329 | { "%s.dll.a", FALSE }, | |
2330 | /* "libfoo.a" could be either an import lib or a static lib. | |
2331 | For backwards compatibility, libfoo.a needs to precede | |
2332 | libfoo.dll and foo.dll in the search. */ | |
2333 | { "lib%s.a", FALSE }, | |
92b93329 | 2334 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe NC |
2335 | { "%s.lib", FALSE }, |
2336 | #ifdef DLL_SUPPORT | |
2337 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
2338 | { "%s%s.dll", TRUE }, | |
2339 | #endif | |
2340 | /* Try "libfoo.dll" (default preferred dll name). */ | |
2341 | { "lib%s.dll", FALSE }, | |
2342 | /* Finally try 'native' dll name "foo.dll". */ | |
2343 | { "%s.dll", FALSE }, | |
2344 | /* Note: If adding more formats to this table, make sure to check to | |
2345 | see if their length is longer than libname_fmt[0].format, and if | |
2346 | so, update the call to xmalloc() below. */ | |
2347 | { NULL, FALSE } | |
2348 | }; | |
b1d9458a | 2349 | static unsigned int format_max_len = 0; |
690a460e | 2350 | const char * filename; |
45e948fe NC |
2351 | char * full_string; |
2352 | char * base_string; | |
2353 | unsigned int i; | |
2354 | ||
690a460e | 2355 | |
d4ae5fb0 | 2356 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
b34976b6 | 2357 | return FALSE; |
690a460e NC |
2358 | |
2359 | filename = entry->filename; | |
2360 | ||
b1d9458a NC |
2361 | if (format_max_len == 0) |
2362 | /* We need to allow space in the memory that we are going to allocate | |
2363 | for the characters in the format string. Since the format array is | |
2364 | static we only need to calculate this information once. In theory | |
2365 | this value could also be computed statically, but this introduces | |
2366 | the possibility for a discrepancy and hence a possible memory | |
2367 | corruption. The lengths we compute here will be too long because | |
2368 | they will include any formating characters (%s) in the strings, but | |
2369 | this will not matter. */ | |
2370 | for (i = 0; libname_fmt[i].format; i++) | |
2371 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2372 | format_max_len = strlen (libname_fmt[i].format); | |
2373 | ||
45e948fe NC |
2374 | full_string = xmalloc (strlen (search->name) |
2375 | + strlen (filename) | |
b1d9458a | 2376 | + format_max_len |
b9a69188 | 2377 | #ifdef DLL_SUPPORT |
45e948fe NC |
2378 | + (pe_dll_search_prefix |
2379 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2380 | #endif |
b1d9458a NC |
2381 | /* Allow for the terminating NUL and for the path |
2382 | separator character that is inserted between | |
2383 | search->name and the start of the format string. */ | |
2384 | + 2); | |
690a460e | 2385 | |
45e948fe NC |
2386 | sprintf (full_string, "%s/", search->name); |
2387 | base_string = full_string + strlen (full_string); | |
690a460e | 2388 | |
45e948fe | 2389 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2390 | { |
92b93329 | 2391 | #ifdef DLL_SUPPORT |
45e948fe | 2392 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2393 | { |
45e948fe NC |
2394 | if (!pe_dll_search_prefix) |
2395 | continue; | |
2396 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2397 | } |
45e948fe NC |
2398 | else |
2399 | #endif | |
2400 | sprintf (base_string, libname_fmt[i].format, filename); | |
2401 | ||
2402 | if (ldfile_try_open_bfd (full_string, entry)) | |
2403 | break; | |
2404 | } | |
2405 | ||
2406 | if (!libname_fmt[i].format) | |
2407 | { | |
2408 | free (full_string); | |
2409 | return FALSE; | |
690a460e | 2410 | } |
602e90d3 | 2411 | |
45e948fe | 2412 | entry->filename = full_string; |
690a460e | 2413 | |
b34976b6 | 2414 | return TRUE; |
690a460e NC |
2415 | } |
2416 | ||
344a211f | 2417 | static int |
0c7a8e5a AM |
2418 | gld_${EMULATION_NAME}_find_potential_libraries |
2419 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2420 | { |
2421 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2422 | } | |
252b5132 RH |
2423 | \f |
2424 | static char * | |
0c7a8e5a | 2425 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2426 | EOF |
2427 | # Scripts compiled in. | |
2428 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2429 | sc="-f stringify.sed" |
252b5132 | 2430 | |
92b93329 | 2431 | fragment <<EOF |
3fc90ddb | 2432 | { |
252b5132 RH |
2433 | *isfile = 0; |
2434 | ||
0e1862bb | 2435 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
2436 | return |
2437 | EOF | |
1af699f4 | 2438 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2439 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
1af699f4 AM |
2440 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2441 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2442 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2443 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2444 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2445 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2446 | 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 |
2447 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2448 | fi | |
1af699f4 AM |
2449 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2450 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2451 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2452 | |
92b93329 | 2453 | fragment <<EOF |
252b5132 RH |
2454 | |
2455 | ||
3fc90ddb | 2456 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2457 | { |
2458 | gld_${EMULATION_NAME}_before_parse, | |
2459 | syslib_default, | |
2460 | hll_default, | |
2461 | gld_${EMULATION_NAME}_after_parse, | |
2462 | gld_${EMULATION_NAME}_after_open, | |
2463 | after_allocation_default, | |
2464 | set_output_arch_default, | |
2465 | ldemul_default_target, | |
2466 | gld_${EMULATION_NAME}_before_allocation, | |
2467 | gld_${EMULATION_NAME}_get_script, | |
2468 | "${EMULATION_NAME}", | |
2469 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2470 | gld_${EMULATION_NAME}_finish, |
2471 | NULL, /* Create output section statements. */ | |
690a460e | 2472 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2473 | gld_${EMULATION_NAME}_place_orphan, |
2474 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2475 | NULL, /* parse_args */ |
2476 | gld${EMULATION_NAME}_add_options, | |
2477 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2478 | gld_${EMULATION_NAME}_unrecognized_file, |
2479 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2480 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2481 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 DD |
2482 | NULL, /* new_vers_pattern. */ |
2483 | NULL /* extra_map_file_text. */ | |
252b5132 RH |
2484 | }; |
2485 | EOF |