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 |
4b95cf5c | 11 | /* Copyright (C) 1995-2014 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 = ${SUBSYSTEM}; |
26d2d8a2 | 130 | static flagword real_flags = 0; |
252b5132 | 131 | static int support_old_code = 0; |
6f798e5c | 132 | static char * thumb_entry_symbol = NULL; |
252b5132 | 133 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 134 | static unsigned short pe_dll_characteristics = 0; |
0cb112f7 | 135 | static bfd_boolean insert_timestamp = FALSE; |
61e2488c | 136 | static const char *emit_build_id; |
252b5132 | 137 | |
f0c87f88 | 138 | #ifdef DLL_SUPPORT |
4cd89863 | 139 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e NC |
140 | static char *pe_out_def_filename = NULL; |
141 | static char *pe_implib_filename = NULL; | |
5f577f7d | 142 | static int pe_enable_auto_image_base = 0; |
d0e6d77b | 143 | static unsigned long pe_auto_image_base = 0x61500000; |
627427de | 144 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 145 | #endif |
252b5132 RH |
146 | |
147 | extern const char *output_filename; | |
148 | ||
d74720d2 | 149 | static int is_underscoring (void) |
252b5132 | 150 | { |
d74720d2 KT |
151 | int u = 0; |
152 | if (pe_leading_underscore != -1) | |
153 | return pe_leading_underscore; | |
154 | if (!bfd_get_target_info ("${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) | |
61e2488c | 275 | #define OPTION_BUILD_ID (OPTION_INSERT_TIMESTAMP + 1) |
252b5132 | 276 | |
3bcf5557 | 277 | static void |
0c7a8e5a | 278 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
279 | (int ns ATTRIBUTE_UNUSED, |
280 | char **shortopts ATTRIBUTE_UNUSED, | |
281 | int nl, | |
282 | struct option **longopts, | |
283 | int nrl ATTRIBUTE_UNUSED, | |
284 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 | 285 | { |
27320b85 NC |
286 | static const struct option xtra_long[] = |
287 | { | |
288 | /* PE options. */ | |
3bcf5557 AM |
289 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
290 | {"dll", no_argument, NULL, OPTION_DLL}, | |
291 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
292 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
293 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
294 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
295 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
296 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
297 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
298 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
299 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
300 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
301 | {"stack", required_argument, NULL, OPTION_STACK}, | |
302 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
303 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
304 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
305 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
306 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
522f09cd KT |
307 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
308 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, | |
0cb112f7 | 309 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
c6c37250 | 310 | #ifdef DLL_SUPPORT |
d127ecce AM |
311 | /* getopt allows abbreviations, so we do this to stop it |
312 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
313 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
314 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
315 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
316 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
2927aaca | 317 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
3bcf5557 | 318 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
e1c37eb5 | 319 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
320 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
321 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
322 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
323 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
324 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
325 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, | |
326 | /* getopt() allows abbreviations, so we do this to stop it from | |
327 | treating -c as an abbreviation for these --compat-implib. */ | |
328 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
329 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
d0e6d77b | 330 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
3bcf5557 AM |
331 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
332 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
333 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
334 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
335 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
336 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
337 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
338 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
339 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
340 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 341 | #endif |
26d2d8a2 | 342 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
f69a2f97 | 343 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
88183869 DK |
344 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
345 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
346 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
347 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
348 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
349 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
350 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
351 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
352 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
353 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
61e2488c | 354 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
3bcf5557 AM |
355 | {NULL, no_argument, NULL, 0} |
356 | }; | |
252b5132 | 357 | |
d127ecce AM |
358 | *longopts |
359 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
360 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
361 | } | |
252b5132 RH |
362 | |
363 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 364 | parameters which may be input from the command line. */ |
252b5132 RH |
365 | |
366 | typedef struct | |
367 | { | |
368 | void *ptr; | |
369 | int size; | |
370 | int value; | |
371 | char *symbol; | |
372 | int inited; | |
522f09cd KT |
373 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
374 | C visible symbols can be prefixed by underscore dependent to target's | |
375 | settings. */ | |
376 | bfd_boolean is_c_symbol; | |
252b5132 RH |
377 | } definfo; |
378 | ||
522f09cd KT |
379 | /* Get symbol name dependent to kind and C visible state of |
380 | underscore. */ | |
381 | #define GET_INIT_SYMBOL_NAME(IDX) \ | |
382 | (init[(IDX)].symbol \ | |
d74720d2 | 383 | + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1)) |
522f09cd KT |
384 | |
385 | /* Decorates the C visible symbol by underscore, if target requires. */ | |
386 | #define U(CSTR) \ | |
d74720d2 | 387 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
522f09cd KT |
388 | |
389 | /* Get size of constant string for a possible underscore prefixed | |
390 | C visible symbol. */ | |
391 | #define U_SIZE(CSTR) \ | |
d74720d2 | 392 | (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1)) |
522f09cd | 393 | |
61e2488c | 394 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
252b5132 RH |
395 | |
396 | static definfo init[] = | |
397 | { | |
398 | /* imagebase must be first */ | |
399 | #define IMAGEBASEOFF 0 | |
522f09cd | 400 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
252b5132 | 401 | #define DLLOFF 1 |
522f09cd | 402 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
dffc6a64 | 403 | #define MSIMAGEBASEOFF 2 |
522f09cd KT |
404 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
405 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), | |
406 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), | |
407 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), | |
408 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), | |
409 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), | |
410 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), | |
7148cc28 | 411 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
522f09cd | 412 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
344a211f | 413 | #else |
522f09cd | 414 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
344a211f | 415 | #endif |
522f09cd KT |
416 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
417 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), | |
418 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), | |
419 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), | |
420 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), | |
421 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), | |
422 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), | |
423 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), | |
424 | { NULL, 0, 0, NULL, 0 , FALSE} | |
252b5132 RH |
425 | }; |
426 | ||
4cd89863 | 427 | |
252b5132 | 428 | static void |
0c7a8e5a | 429 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
430 | { |
431 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
432 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
433 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
434 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
435 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
436 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
437 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
438 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
439 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
440 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
441 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
442 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
443 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
444 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
445 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
522f09cd | 446 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
6f798e5c | 447 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
0cb112f7 CF |
448 | fprintf (file, _(" --insert-timestamp Use a real timestamp rather than zero.\n")); |
449 | fprintf (file, _(" This makes binaries non-deterministic\n")); | |
c6c37250 | 450 | #ifdef DLL_SUPPORT |
252b5132 RH |
451 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
452 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
453 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
454 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
2927aaca | 455 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
b34976b6 | 456 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
457 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
458 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
459 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
460 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
461 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
462 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
463 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
d0e6d77b | 464 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
e3c8793a NC |
465 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
466 | create __imp_<SYMBOL> as well.\n")); | |
d0e6d77b CF |
467 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
468 | (optionally starting with address) unless\n\ | |
469 | specifically set with --image-base\n")); | |
5f577f7d | 470 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
471 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
472 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 473 | in preference to lib<basename>.dll \n")); |
c85f715a | 474 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
e3c8793a | 475 | __imp_sym for DATA references\n")); |
decc3638 | 476 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 477 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
478 | adding pseudo-relocations resolved at\n\ |
479 | runtime.\n")); | |
2fa9fc65 NC |
480 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
481 | auto-imported DATA.\n")); | |
e3c8793a NC |
482 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
483 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 484 | #endif |
26d2d8a2 BF |
485 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
486 | greater than 2 gigabytes\n")); | |
f69a2f97 NC |
487 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
488 | addresses greater than 2 gigabytes\n")); | |
88183869 DK |
489 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
490 | executable image files\n")); | |
491 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
492 | in object files\n")); | |
2f563b51 DK |
493 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
494 | address space layout randomization (ASLR)\n")); | |
495 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
496 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
497 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
498 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
499 | be called in this image\n")); | |
500 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
501 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
522f09cd | 502 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
61e2488c | 503 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
252b5132 RH |
504 | } |
505 | ||
4cd89863 | 506 | |
252b5132 | 507 | static void |
0c7a8e5a | 508 | set_pe_name (char *name, long val) |
252b5132 | 509 | { |
d74720d2 KT |
510 | int i; |
511 | is_underscoring (); | |
4cd89863 NC |
512 | |
513 | /* Find the name and set it. */ | |
252b5132 RH |
514 | for (i = 0; init[i].ptr; i++) |
515 | { | |
522f09cd | 516 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
252b5132 RH |
517 | { |
518 | init[i].value = val; | |
519 | init[i].inited = 1; | |
dffc6a64 KT |
520 | if (strcmp (name,"__image_base__") == 0) |
521 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
522 | return; |
523 | } | |
524 | } | |
939ba9d0 | 525 | abort (); |
252b5132 RH |
526 | } |
527 | ||
decfa41e KT |
528 | static void |
529 | set_entry_point (void) | |
530 | { | |
531 | const char *entry; | |
532 | const char *initial_symbol_char; | |
d74720d2 | 533 | int i; |
decfa41e KT |
534 | |
535 | static const struct | |
536 | { | |
537 | const int value; | |
538 | const char *entry; | |
539 | } | |
540 | v[] = | |
541 | { | |
542 | { 1, "NtProcessStartup" }, | |
543 | { 2, "WinMainCRTStartup" }, | |
544 | { 3, "mainCRTStartup" }, | |
545 | { 7, "__PosixProcessStartup"}, | |
546 | { 9, "WinMainCRTStartup" }, | |
547 | {14, "mainCRTStartup" }, | |
548 | { 0, NULL } | |
549 | }; | |
550 | ||
551 | /* Entry point name for arbitrary subsystem numbers. */ | |
552 | static const char default_entry[] = "mainCRTStartup"; | |
553 | ||
554 | if (link_info.shared || dll) | |
555 | { | |
556 | #if defined (TARGET_IS_i386pe) | |
557 | entry = "DllMainCRTStartup@12"; | |
558 | #else | |
559 | entry = "DllMainCRTStartup"; | |
560 | #endif | |
561 | } | |
562 | else | |
563 | { | |
564 | ||
565 | for (i = 0; v[i].entry; i++) | |
566 | if (v[i].value == pe_subsystem) | |
567 | break; | |
568 | ||
569 | /* If no match, use the default. */ | |
570 | if (v[i].entry != NULL) | |
571 | entry = v[i].entry; | |
572 | else | |
573 | entry = default_entry; | |
574 | } | |
575 | ||
d74720d2 | 576 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
522f09cd | 577 | |
decfa41e KT |
578 | if (*initial_symbol_char != '\0') |
579 | { | |
580 | char *alc_entry; | |
581 | ||
582 | /* lang_default_entry expects its argument to be permanently | |
583 | allocated, so we don't free this string. */ | |
584 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
585 | + strlen (entry) | |
586 | + 1); | |
587 | strcpy (alc_entry, initial_symbol_char); | |
588 | strcat (alc_entry, entry); | |
589 | entry = alc_entry; | |
590 | } | |
591 | ||
592 | lang_default_entry (entry); | |
593 | } | |
252b5132 RH |
594 | |
595 | static void | |
0c7a8e5a | 596 | set_pe_subsystem (void) |
252b5132 RH |
597 | { |
598 | const char *sver; | |
33f362e1 | 599 | char *end; |
252b5132 RH |
600 | int len; |
601 | int i; | |
33f362e1 | 602 | unsigned long temp_subsystem; |
3fc90ddb | 603 | static const struct |
252b5132 RH |
604 | { |
605 | const char *name; | |
606 | const int value; | |
252b5132 RH |
607 | } |
608 | v[] = | |
609 | { | |
decfa41e KT |
610 | { "native", 1}, |
611 | { "windows", 2}, | |
612 | { "console", 3}, | |
613 | { "posix", 7}, | |
614 | { "wince", 9}, | |
615 | { "xbox", 14}, | |
616 | { NULL, 0 } | |
252b5132 RH |
617 | }; |
618 | ||
33f362e1 | 619 | /* Check for the presence of a version number. */ |
252b5132 RH |
620 | sver = strchr (optarg, ':'); |
621 | if (sver == NULL) | |
622 | len = strlen (optarg); | |
623 | else | |
624 | { | |
252b5132 RH |
625 | len = sver - optarg; |
626 | set_pe_name ("__major_subsystem_version__", | |
decfa41e | 627 | strtoul (sver + 1, &end, 0)); |
252b5132 RH |
628 | if (*end == '.') |
629 | set_pe_name ("__minor_subsystem_version__", | |
decfa41e | 630 | strtoul (end + 1, &end, 0)); |
252b5132 RH |
631 | if (*end != '\0') |
632 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
633 | } | |
634 | ||
33f362e1 NC |
635 | /* Check for numeric subsystem. */ |
636 | temp_subsystem = strtoul (optarg, & end, 0); | |
637 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 638 | { |
33f362e1 NC |
639 | /* Search list for a numeric match to use its entry point. */ |
640 | for (i = 0; v[i].name; i++) | |
641 | if (v[i].value == (int) temp_subsystem) | |
642 | break; | |
643 | ||
33f362e1 | 644 | /* Use this subsystem. */ |
decfa41e | 645 | pe_subsystem = (int) temp_subsystem; |
33f362e1 NC |
646 | } |
647 | else | |
648 | { | |
649 | /* Search for subsystem by name. */ | |
650 | for (i = 0; v[i].name; i++) | |
651 | if (strncmp (optarg, v[i].name, len) == 0 | |
652 | && v[i].name[len] == '\0') | |
653 | break; | |
252b5132 | 654 | |
33f362e1 NC |
655 | if (v[i].name == NULL) |
656 | { | |
657 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
252b5132 RH |
658 | return; |
659 | } | |
33f362e1 | 660 | |
decfa41e | 661 | pe_subsystem = v[i].value; |
252b5132 | 662 | } |
3fc90ddb | 663 | |
decfa41e | 664 | set_pe_name ("__subsystem__", pe_subsystem); |
33f362e1 NC |
665 | |
666 | return; | |
252b5132 RH |
667 | } |
668 | ||
669 | ||
252b5132 | 670 | static void |
0c7a8e5a | 671 | set_pe_value (char *name) |
252b5132 RH |
672 | { |
673 | char *end; | |
3fc90ddb | 674 | |
252b5132 | 675 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 676 | |
252b5132 RH |
677 | if (end == optarg) |
678 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
679 | ||
680 | optarg = end; | |
681 | } | |
682 | ||
4cd89863 | 683 | |
252b5132 | 684 | static void |
0c7a8e5a | 685 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
686 | { |
687 | set_pe_value (resname); | |
3fc90ddb | 688 | |
252b5132 RH |
689 | if (*optarg == ',') |
690 | { | |
691 | optarg++; | |
692 | set_pe_value (comname); | |
693 | } | |
694 | else if (*optarg) | |
695 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
696 | } | |
697 | ||
61e2488c | 698 | #define DEFAULT_BUILD_ID_STYLE "md5" |
252b5132 | 699 | |
3bcf5557 | 700 | static bfd_boolean |
0c7a8e5a | 701 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 702 | { |
252b5132 RH |
703 | switch (optc) |
704 | { | |
705 | default: | |
3bcf5557 | 706 | return FALSE; |
252b5132 RH |
707 | |
708 | case OPTION_BASE_FILE: | |
0c7a8e5a | 709 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 | 710 | if (link_info.base_file == NULL) |
e922bcab | 711 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
252b5132 RH |
712 | break; |
713 | ||
4cd89863 | 714 | /* PE options. */ |
3fc90ddb | 715 | case OPTION_HEAP: |
252b5132 RH |
716 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
717 | break; | |
3fc90ddb | 718 | case OPTION_STACK: |
252b5132 RH |
719 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
720 | break; | |
721 | case OPTION_SUBSYSTEM: | |
722 | set_pe_subsystem (); | |
723 | break; | |
724 | case OPTION_MAJOR_OS_VERSION: | |
725 | set_pe_value ("__major_os_version__"); | |
726 | break; | |
727 | case OPTION_MINOR_OS_VERSION: | |
728 | set_pe_value ("__minor_os_version__"); | |
729 | break; | |
730 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
731 | set_pe_value ("__major_subsystem_version__"); | |
732 | break; | |
733 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
734 | set_pe_value ("__minor_subsystem_version__"); | |
735 | break; | |
736 | case OPTION_MAJOR_IMAGE_VERSION: | |
737 | set_pe_value ("__major_image_version__"); | |
738 | break; | |
739 | case OPTION_MINOR_IMAGE_VERSION: | |
740 | set_pe_value ("__minor_image_version__"); | |
741 | break; | |
742 | case OPTION_FILE_ALIGNMENT: | |
743 | set_pe_value ("__file_alignment__"); | |
744 | break; | |
745 | case OPTION_SECTION_ALIGNMENT: | |
746 | set_pe_value ("__section_alignment__"); | |
747 | break; | |
748 | case OPTION_DLL: | |
749 | set_pe_name ("__dll__", 1); | |
750 | break; | |
751 | case OPTION_IMAGE_BASE: | |
752 | set_pe_value ("__image_base__"); | |
753 | break; | |
754 | case OPTION_SUPPORT_OLD_CODE: | |
755 | support_old_code = 1; | |
756 | break; | |
6f798e5c NC |
757 | case OPTION_THUMB_ENTRY: |
758 | thumb_entry_symbol = optarg; | |
759 | break; | |
ce11ba6c KT |
760 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
761 | pe_use_nul_prefixed_import_tables = TRUE; | |
762 | break; | |
522f09cd KT |
763 | case OPTION_NO_LEADING_UNDERSCORE: |
764 | pe_leading_underscore = 0; | |
765 | break; | |
766 | case OPTION_LEADING_UNDERSCORE: | |
767 | pe_leading_underscore = 1; | |
768 | break; | |
0cb112f7 CF |
769 | case OPTION_INSERT_TIMESTAMP: |
770 | insert_timestamp = TRUE; | |
771 | break; | |
c6c37250 | 772 | #ifdef DLL_SUPPORT |
252b5132 RH |
773 | case OPTION_OUT_DEF: |
774 | pe_out_def_filename = xstrdup (optarg); | |
775 | break; | |
776 | case OPTION_EXPORT_ALL: | |
777 | pe_dll_export_everything = 1; | |
778 | break; | |
779 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 780 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 | 781 | break; |
2927aaca NC |
782 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
783 | pe_dll_exclude_all_symbols = 1; | |
784 | break; | |
70b0be79 | 785 | case OPTION_EXCLUDE_LIBS: |
e1c37eb5 DK |
786 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
787 | break; | |
788 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
789 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
790 | break; |
791 | case OPTION_KILL_ATS: | |
792 | pe_dll_kill_ats = 1; | |
793 | break; | |
794 | case OPTION_STDCALL_ALIASES: | |
795 | pe_dll_stdcall_aliases = 1; | |
796 | break; | |
797 | case OPTION_ENABLE_STDCALL_FIXUP: | |
798 | pe_enable_stdcall_fixup = 1; | |
799 | break; | |
800 | case OPTION_DISABLE_STDCALL_FIXUP: | |
801 | pe_enable_stdcall_fixup = 0; | |
802 | break; | |
803 | case OPTION_IMPLIB_FILENAME: | |
804 | pe_implib_filename = xstrdup (optarg); | |
805 | break; | |
870df5dc NC |
806 | case OPTION_WARN_DUPLICATE_EXPORTS: |
807 | pe_dll_warn_dup_exports = 1; | |
808 | break; | |
809 | case OPTION_IMP_COMPAT: | |
810 | pe_dll_compat_implib = 1; | |
811 | break; | |
5f577f7d DD |
812 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
813 | pe_enable_auto_image_base = 1; | |
d0e6d77b CF |
814 | if (optarg && *optarg) |
815 | { | |
816 | char *end; | |
61e2488c | 817 | pe_auto_image_base = strtoul (optarg, &end, 0); |
d0e6d77b CF |
818 | /* XXX should check that we actually parsed something */ |
819 | } | |
5f577f7d DD |
820 | break; |
821 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
822 | pe_enable_auto_image_base = 0; | |
823 | break; | |
627427de | 824 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 825 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 826 | break; |
1122a5fc NC |
827 | case OPTION_NO_DEFAULT_EXCLUDES: |
828 | pe_dll_do_default_excludes = 0; | |
829 | break; | |
decc3638 | 830 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 831 | link_info.pei386_auto_import = 1; |
decc3638 CW |
832 | break; |
833 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 834 | link_info.pei386_auto_import = 0; |
decc3638 | 835 | break; |
2fa9fc65 | 836 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
e468a046 KT |
837 | link_info.pei386_runtime_pseudo_reloc = |
838 | DEFAULT_PSEUDO_RELOC_VERSION; | |
2fa9fc65 | 839 | break; |
6cb442d3 KT |
840 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
841 | link_info.pei386_runtime_pseudo_reloc = 1; | |
842 | break; | |
843 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
844 | link_info.pei386_runtime_pseudo_reloc = 2; | |
845 | break; | |
2fa9fc65 NC |
846 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
847 | link_info.pei386_runtime_pseudo_reloc = 0; | |
848 | break; | |
decc3638 CW |
849 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
850 | pe_dll_extra_pe_debug = 1; | |
851 | break; | |
c6c37250 | 852 | #endif |
26d2d8a2 BF |
853 | case OPTION_LARGE_ADDRESS_AWARE: |
854 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
855 | break; | |
f69a2f97 NC |
856 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
857 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
858 | break; | |
88183869 DK |
859 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
860 | pe_use_coff_long_section_names = 1; | |
861 | break; | |
862 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
863 | pe_use_coff_long_section_names = 0; | |
864 | break; | |
2f563b51 DK |
865 | /* Get DLLCharacteristics bits */ |
866 | case OPTION_DYNAMIC_BASE: | |
867 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
868 | break; | |
869 | case OPTION_FORCE_INTEGRITY: | |
870 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
871 | break; | |
872 | case OPTION_NX_COMPAT: | |
873 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
874 | break; | |
875 | case OPTION_NO_ISOLATION: | |
876 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
877 | break; | |
878 | case OPTION_NO_SEH: | |
879 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
880 | break; | |
881 | case OPTION_NO_BIND: | |
882 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
883 | break; | |
884 | case OPTION_WDM_DRIVER: | |
885 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
886 | break; | |
887 | case OPTION_TERMINAL_SERVER_AWARE: | |
888 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
889 | break; | |
61e2488c JT |
890 | case OPTION_BUILD_ID: |
891 | if (emit_build_id != NULL) | |
892 | { | |
893 | free ((char *) emit_build_id); | |
894 | emit_build_id = NULL; | |
895 | } | |
896 | if (optarg == NULL) | |
897 | optarg = DEFAULT_BUILD_ID_STYLE; | |
898 | if (strcmp (optarg, "none")) | |
899 | emit_build_id = xstrdup (optarg); | |
900 | break; | |
252b5132 | 901 | } |
2f563b51 DK |
902 | |
903 | /* Set DLLCharacteristics bits */ | |
904 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
905 | ||
3bcf5557 | 906 | return TRUE; |
252b5132 RH |
907 | } |
908 | \f | |
5f577f7d | 909 | |
2ef53d66 | 910 | #ifdef DLL_SUPPORT |
3fc90ddb | 911 | static unsigned long |
5f577f7d DD |
912 | strhash (const char *str) |
913 | { | |
914 | const unsigned char *s; | |
915 | unsigned long hash; | |
916 | unsigned int c; | |
917 | unsigned int len; | |
918 | ||
919 | hash = 0; | |
920 | len = 0; | |
921 | s = (const unsigned char *) str; | |
922 | while ((c = *s++) != '\0') | |
923 | { | |
924 | hash += c + (c << 17); | |
925 | hash ^= hash >> 2; | |
926 | ++len; | |
927 | } | |
928 | hash += len + (len << 17); | |
929 | hash ^= hash >> 2; | |
930 | ||
931 | return hash; | |
932 | } | |
933 | ||
4cd89863 NC |
934 | /* Use the output file to create a image base for relocatable DLLs. */ |
935 | ||
5f577f7d DD |
936 | static unsigned long |
937 | compute_dll_image_base (const char *ofile) | |
938 | { | |
939 | unsigned long hash = strhash (ofile); | |
d0e6d77b | 940 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 941 | } |
2ef53d66 | 942 | #endif |
5f577f7d | 943 | |
252b5132 RH |
944 | /* Assign values to the special symbols before the linker script is |
945 | read. */ | |
946 | ||
947 | static void | |
0c7a8e5a | 948 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
949 | { |
950 | /* Run through and invent symbols for all the | |
4cd89863 | 951 | names and insert the defaults. */ |
d74720d2 | 952 | int j; |
b804e4af | 953 | |
d74720d2 | 954 | is_underscoring (); |
252b5132 RH |
955 | |
956 | if (!init[IMAGEBASEOFF].inited) | |
957 | { | |
1049f94e | 958 | if (link_info.relocatable) |
252b5132 | 959 | init[IMAGEBASEOFF].value = 0; |
db8acf26 | 960 | else if (init[DLLOFF].value || (link_info.shared && !link_info.pie)) |
d127ecce | 961 | { |
2ef53d66 | 962 | #ifdef DLL_SUPPORT |
d127ecce AM |
963 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
964 | ? compute_dll_image_base (output_filename) | |
965 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 966 | #else |
d127ecce | 967 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 968 | #endif |
d127ecce | 969 | } |
252b5132 RH |
970 | else |
971 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 972 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
973 | } |
974 | ||
1049f94e AM |
975 | /* Don't do any symbol assignments if this is a relocatable link. */ |
976 | if (link_info.relocatable) | |
252b5132 RH |
977 | return; |
978 | ||
4cd89863 | 979 | /* Glue the assignments into the abs section. */ |
bde18da4 | 980 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
981 | |
982 | for (j = 0; init[j].ptr; j++) | |
983 | { | |
984 | long val = init[j].value; | |
985 | lang_assignment_statement_type *rv; | |
522f09cd | 986 | |
2e57b2af | 987 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
eb8476a6 | 988 | exp_intop (val), FALSE)); |
939ba9d0 NC |
989 | if (init[j].size == sizeof (short)) |
990 | *(short *) init[j].ptr = val; | |
991 | else if (init[j].size == sizeof (int)) | |
992 | *(int *) init[j].ptr = val; | |
993 | else if (init[j].size == sizeof (long)) | |
994 | *(long *) init[j].ptr = val; | |
252b5132 | 995 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
996 | else if (init[j].size == sizeof (bfd_vma)) |
997 | *(bfd_vma *) init[j].ptr = val; | |
998 | else abort (); | |
252b5132 RH |
999 | if (j == IMAGEBASEOFF) |
1000 | image_base_statement = rv; | |
1001 | } | |
4cd89863 | 1002 | /* Restore the pointer. */ |
bde18da4 | 1003 | pop_stat_ptr (); |
3fc90ddb | 1004 | |
d127ecce | 1005 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 RH |
1006 | { |
1007 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | /* This is called after the linker script and the command line options | |
1012 | have been read. */ | |
1013 | ||
1014 | static void | |
0c7a8e5a | 1015 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 1016 | { |
8b747e1a DK |
1017 | /* PR ld/6744: Warn the user if they have used an ELF-only |
1018 | option hoping it will work on PE. */ | |
1019 | if (link_info.export_dynamic) | |
1020 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
1021 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 | 1022 | |
decfa41e KT |
1023 | set_entry_point (); |
1024 | ||
97b11f40 | 1025 | after_parse_default (); |
252b5132 RH |
1026 | } |
1027 | ||
aa3d9aba NC |
1028 | /* pe-dll.c directly accesses pe_data_import_dll, |
1029 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
1030 | Note - this variable is deliberately not initialised. | |
1031 | This allows it to be treated as a common varaible, and only | |
1032 | exist in one incarnation in a multiple target enabled linker. */ | |
1033 | char * pe_data_import_dll; | |
72358f65 | 1034 | |
2ef53d66 | 1035 | #ifdef DLL_SUPPORT |
252b5132 RH |
1036 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
1037 | ||
b34976b6 | 1038 | static bfd_boolean |
0c7a8e5a | 1039 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 1040 | { |
decc3638 | 1041 | int sl; |
0c7a8e5a | 1042 | char *string = inf; |
8a9eab9b | 1043 | const char *hs = h->root.string; |
4cd89863 | 1044 | |
0c7a8e5a | 1045 | sl = strlen (string); |
252b5132 | 1046 | if (h->type == bfd_link_hash_defined |
8a9eab9b KT |
1047 | && ((*hs == '@' && *string == '_' |
1048 | && strncmp (hs + 1, string + 1, sl - 1) == 0) | |
1049 | || strncmp (hs, string, sl) == 0) | |
252b5132 | 1050 | && h->root.string[sl] == '@') |
decc3638 CW |
1051 | { |
1052 | pe_undef_found_sym = h; | |
b34976b6 | 1053 | return FALSE; |
decc3638 | 1054 | } |
b34976b6 | 1055 | return TRUE; |
252b5132 RH |
1056 | } |
1057 | ||
1058 | static void | |
0c7a8e5a | 1059 | pe_fixup_stdcalls (void) |
252b5132 RH |
1060 | { |
1061 | static int gave_warning_message = 0; | |
1062 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 1063 | |
3fc90ddb | 1064 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1065 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 1066 | |
f6e332e6 | 1067 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 1068 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 1069 | { |
c9e38879 NC |
1070 | char* at = strchr (undef->root.string, '@'); |
1071 | int lead_at = (*undef->root.string == '@'); | |
8a9eab9b KT |
1072 | if (lead_at) |
1073 | at = strchr (undef->root.string + 1, '@'); | |
b34976b6 | 1074 | |
8a9eab9b | 1075 | if (at || lead_at) |
c9e38879 NC |
1076 | { |
1077 | /* The symbol is a stdcall symbol, so let's look for a | |
1078 | cdecl symbol with the same name and resolve to that. */ | |
8a9eab9b KT |
1079 | char *cname = xstrdup (undef->root.string); |
1080 | ||
1081 | if (lead_at) | |
1082 | *cname = '_'; | |
c9e38879 | 1083 | at = strchr (cname, '@'); |
8a9eab9b KT |
1084 | if (at) |
1085 | *at = 0; | |
c9e38879 NC |
1086 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); |
1087 | ||
1088 | if (sym && sym->type == bfd_link_hash_defined) | |
1089 | { | |
1090 | undef->type = bfd_link_hash_defined; | |
1091 | undef->u.def.value = sym->u.def.value; | |
1092 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 1093 | |
c9e38879 NC |
1094 | if (pe_enable_stdcall_fixup == -1) |
1095 | { | |
1096 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
1097 | undef->root.string, cname); | |
1098 | if (! gave_warning_message) | |
1099 | { | |
1100 | gave_warning_message = 1; | |
939ba9d0 NC |
1101 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
1102 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
1103 | } |
1104 | } | |
1105 | } | |
1106 | } | |
1107 | else | |
1108 | { | |
1109 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 1110 | symbols - which means scanning the whole symbol table. */ |
c9e38879 NC |
1111 | pe_undef_found_sym = 0; |
1112 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
0c7a8e5a | 1113 | (char *) undef->root.string); |
c9e38879 NC |
1114 | sym = pe_undef_found_sym; |
1115 | if (sym) | |
1116 | { | |
1117 | undef->type = bfd_link_hash_defined; | |
1118 | undef->u.def.value = sym->u.def.value; | |
1119 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 1120 | |
c9e38879 NC |
1121 | if (pe_enable_stdcall_fixup == -1) |
1122 | { | |
1123 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
1124 | undef->root.string, sym->root.string); | |
1125 | if (! gave_warning_message) | |
1126 | { | |
1127 | gave_warning_message = 1; | |
939ba9d0 NC |
1128 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
1129 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
1130 | } |
1131 | } | |
1132 | } | |
1133 | } | |
252b5132 | 1134 | } |
252b5132 | 1135 | } |
decc3638 CW |
1136 | |
1137 | static int | |
0c7a8e5a | 1138 | make_import_fixup (arelent *rel, asection *s) |
decc3638 | 1139 | { |
fc0a2244 | 1140 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 1141 | char addend[4]; |
decc3638 | 1142 | |
3fc90ddb | 1143 | if (pe_dll_extra_pe_debug) |
c9e38879 | 1144 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 1145 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 1146 | |
c99b8138 | 1147 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
c9e38879 NC |
1148 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
1149 | s->owner, s, rel->address); | |
0d888aac | 1150 | |
c99b8138 | 1151 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend)); |
0d888aac | 1152 | |
decc3638 CW |
1153 | return 1; |
1154 | } | |
1155 | ||
decc3638 | 1156 | static void |
0c7a8e5a | 1157 | pe_find_data_imports (void) |
decc3638 CW |
1158 | { |
1159 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 1160 | |
4cd89863 NC |
1161 | if (link_info.pei386_auto_import == 0) |
1162 | return; | |
1163 | ||
f6e332e6 | 1164 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
decc3638 CW |
1165 | { |
1166 | if (undef->type == bfd_link_hash_undefined) | |
1af699f4 AM |
1167 | { |
1168 | /* C++ symbols are *long*. */ | |
1169 | char buf[4096]; | |
c9e38879 NC |
1170 | |
1171 | if (pe_dll_extra_pe_debug) | |
1172 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
1173 | ||
1af699f4 | 1174 | sprintf (buf, "__imp_%s", undef->root.string); |
decc3638 | 1175 | |
1af699f4 | 1176 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); |
c9e38879 | 1177 | |
1af699f4 AM |
1178 | if (sym && sym->type == bfd_link_hash_defined) |
1179 | { | |
4cd89863 NC |
1180 | bfd *b = sym->u.def.section->owner; |
1181 | asymbol **symbols; | |
5c1d2f5f | 1182 | int nsyms, i; |
4cd89863 NC |
1183 | |
1184 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
1185 | { |
1186 | static bfd_boolean warned = FALSE; | |
1187 | ||
1188 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), | |
1189 | undef->root.string, buf); | |
1190 | ||
1191 | /* PR linker/4844. */ | |
1192 | if (! warned) | |
1193 | { | |
1194 | warned = TRUE; | |
1195 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ | |
44e36d8a | 1196 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
8524166d NC |
1197 | } |
1198 | } | |
4cd89863 | 1199 | |
5c1d2f5f AM |
1200 | if (!bfd_generic_link_read_symbols (b)) |
1201 | { | |
1202 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
1203 | return; | |
1204 | } | |
1205 | ||
1206 | symbols = bfd_get_outsymbols (b); | |
1207 | nsyms = bfd_get_symcount (b); | |
4cd89863 NC |
1208 | |
1209 | for (i = 0; i < nsyms; i++) | |
1210 | { | |
522f09cd KT |
1211 | if (! CONST_STRNEQ (symbols[i]->name, |
1212 | U ("_head_"))) | |
4cd89863 NC |
1213 | continue; |
1214 | ||
1215 | if (pe_dll_extra_pe_debug) | |
1216 | printf ("->%s\n", symbols[i]->name); | |
1217 | ||
522f09cd KT |
1218 | pe_data_import_dll = (char *) (symbols[i]->name |
1219 | + U_SIZE ("_head_") - 1); | |
4cd89863 NC |
1220 | break; |
1221 | } | |
1222 | ||
1223 | pe_walk_relocs_of_symbol (&link_info, undef->root.string, | |
1224 | make_import_fixup); | |
1225 | ||
1226 | /* Let's differentiate it somehow from defined. */ | |
1227 | undef->type = bfd_link_hash_defweak; | |
1228 | /* We replace original name with __imp_ prefixed, this | |
1229 | 1) may trash memory 2) leads to duplicate symbol generation. | |
1230 | Still, IMHO it's better than having name poluted. */ | |
1231 | undef->root.string = sym->root.string; | |
1232 | undef->u.def.value = sym->u.def.value; | |
1233 | undef->u.def.section = sym->u.def.section; | |
1af699f4 AM |
1234 | } |
1235 | } | |
decc3638 CW |
1236 | } |
1237 | } | |
252b5132 | 1238 | |
b34976b6 | 1239 | static bfd_boolean |
0c7a8e5a | 1240 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1241 | { |
80cc85a9 | 1242 | printf ("+%s\n", h->string); |
c9e38879 | 1243 | |
b34976b6 | 1244 | return TRUE; |
decc3638 | 1245 | } |
4b83d615 | 1246 | #endif /* DLL_SUPPORT */ |
decc3638 | 1247 | |
e4492aa0 | 1248 | static void |
3efd345c DK |
1249 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
1250 | { | |
1251 | int *found = (int *) obj; | |
1252 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1253 | *found = 1; | |
1254 | } | |
decc3638 | 1255 | |
61e2488c JT |
1256 | static bfd_boolean |
1257 | pecoff_checksum_contents (bfd *abfd, | |
1258 | void (*process) (const void *, size_t, void *), | |
1259 | void *arg) | |
1260 | { | |
1261 | file_ptr filepos = (file_ptr) 0; | |
1262 | ||
1263 | while (1) | |
1264 | { | |
1265 | unsigned char b; | |
1266 | int status; | |
1267 | ||
1268 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) | |
1269 | return 0; | |
1270 | ||
1271 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); | |
1272 | if (status < 1) | |
1273 | { | |
1274 | break; | |
1275 | } | |
1276 | ||
1277 | (*process) (&b, 1, arg); | |
1278 | filepos += 1; | |
1279 | } | |
1280 | ||
1281 | return TRUE; | |
1282 | } | |
1283 | ||
1284 | static bfd_boolean | |
1285 | write_build_id (bfd *abfd) | |
1286 | { | |
1287 | struct pe_tdata *t = pe_data (abfd); | |
1288 | asection *asec; | |
1289 | struct bfd_link_order *link_order = NULL; | |
1290 | unsigned char *contents; | |
1291 | bfd_size_type size; | |
1292 | bfd_size_type build_id_size; | |
1293 | unsigned char *build_id; | |
1294 | ||
1295 | /* Find the section the .build-id output section has been merged info. */ | |
1296 | for (asec = abfd->sections; asec != NULL; asec = asec->next) | |
1297 | { | |
1298 | struct bfd_link_order *l = NULL; | |
1299 | for (l = asec->map_head.link_order; l != NULL; l = l->next) | |
1300 | { | |
1301 | if ((l->type == bfd_indirect_link_order)) | |
1302 | { | |
1303 | if (l->u.indirect.section == t->build_id.sec) | |
1304 | { | |
1305 | link_order = l; | |
1306 | break; | |
1307 | } | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | if (link_order) | |
1312 | break; | |
1313 | } | |
1314 | ||
1315 | if (!link_order) | |
1316 | { | |
1317 | einfo (_("%P: warning: .build-id section discarded," | |
1318 | " --build-id ignored.\n")); | |
1319 | return TRUE; | |
1320 | } | |
1321 | ||
1322 | if (t->build_id.sec->contents == NULL) | |
1323 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); | |
1324 | contents = t->build_id.sec->contents; | |
1325 | size = t->build_id.sec->size; | |
1326 | ||
1327 | build_id_size = compute_build_id_size (t->build_id.style); | |
1328 | build_id = xmalloc (build_id_size); | |
1329 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); | |
1330 | ||
1331 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; | |
1332 | ||
1333 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ | |
1334 | struct internal_IMAGE_DEBUG_DIRECTORY idd; | |
1335 | idd.Characteristics = 0; | |
1336 | idd.TimeDateStamp = 0; | |
1337 | idd.MajorVersion = 0; | |
1338 | idd.MinorVersion = 0; | |
1339 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; | |
1340 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; | |
1341 | idd.AddressOfRawData = asec->vma - ib + link_order->offset | |
1342 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1343 | idd.PointerToRawData = asec->filepos + link_order->offset | |
1344 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1345 | ||
1346 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; | |
1347 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); | |
1348 | ||
1349 | /* Write the debug directory entry. */ | |
1350 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) | |
1351 | return 0; | |
1352 | ||
1353 | if ((bfd_bwrite (contents, size, abfd) != size)) | |
1354 | return 0; | |
1355 | ||
1356 | /* Construct the CodeView record. */ | |
1357 | CODEVIEW_INFO cvinfo; | |
1358 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; | |
1359 | cvinfo.Age = 1; | |
1360 | ||
1361 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ | |
1362 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); | |
1363 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) | |
1364 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); | |
1365 | ||
1366 | free (build_id); | |
1367 | ||
1368 | /* Write the codeview record. */ | |
1369 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) | |
1370 | return 0; | |
1371 | ||
1372 | /* Record the location of the debug directory in the data directory. */ | |
1373 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress | |
1374 | = asec->vma - ib + link_order->offset; | |
1375 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size | |
1376 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); | |
1377 | ||
1378 | return TRUE; | |
1379 | } | |
1380 | ||
1381 | /* Make .build-id section, and set up coff_tdata->build_id. */ | |
1382 | static bfd_boolean | |
1383 | setup_build_id (bfd *ibfd) | |
1384 | { | |
1385 | asection *s; | |
1386 | flagword flags; | |
1387 | ||
1388 | if (!validate_build_id_style (emit_build_id)) | |
1389 | { | |
1390 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
1391 | return FALSE; | |
1392 | } | |
1393 | ||
1394 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1395 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
1396 | s = bfd_make_section_anyway_with_flags (ibfd, ".build-id", flags); | |
1397 | if (s != NULL) | |
1398 | { | |
1399 | struct pe_tdata *t = pe_data (link_info.output_bfd); | |
1400 | t->build_id.after_write_object_contents = &write_build_id; | |
1401 | t->build_id.style = emit_build_id; | |
1402 | t->build_id.sec = s; | |
1403 | ||
1404 | /* Section is a fixed size: | |
1405 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, | |
1406 | pointing at a CV_INFO_PDB70 record containing the build-id, with a | |
1407 | null byte for PdbFileName. */ | |
1408 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) | |
1409 | + sizeof (CV_INFO_PDB70) + 1; | |
1410 | ||
1411 | return TRUE; | |
1412 | } | |
1413 | ||
1414 | einfo ("%P: warning: Cannot create .build-id section," | |
1415 | " --build-id ignored.\n"); | |
1416 | return FALSE; | |
1417 | } | |
1418 | ||
252b5132 | 1419 | static void |
0c7a8e5a | 1420 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1421 | { |
5c3049d2 AM |
1422 | after_open_default (); |
1423 | ||
4b83d615 | 1424 | #ifdef DLL_SUPPORT |
3fc90ddb | 1425 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1426 | { |
1427 | bfd *a; | |
1428 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1429 | |
decc3638 CW |
1430 | printf ("%s()\n", __FUNCTION__); |
1431 | ||
f6e332e6 | 1432 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1433 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1434 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 | 1435 | |
c72f2fb2 | 1436 | for (a = link_info.input_bfds; a; a = a->link.next) |
c9e38879 | 1437 | printf ("*%s\n",a->filename); |
decc3638 | 1438 | } |
4b83d615 | 1439 | #endif |
3fc90ddb | 1440 | |
61e2488c JT |
1441 | if (emit_build_id != NULL) |
1442 | { | |
1443 | bfd *abfd; | |
1444 | ||
1445 | /* Find a COFF input. */ | |
1446 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1447 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
61e2488c JT |
1448 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
1449 | break; | |
1450 | ||
1451 | /* If there are no COFF input files do not try to | |
1452 | add a build-id section. */ | |
1453 | if (abfd == NULL | |
1454 | || !setup_build_id (abfd)) | |
1455 | { | |
1456 | free ((char *) emit_build_id); | |
1457 | emit_build_id = NULL; | |
1458 | } | |
1459 | } | |
1460 | ||
252b5132 RH |
1461 | /* Pass the wacky PE command line options into the output bfd. |
1462 | FIXME: This should be done via a function, rather than by | |
1463 | including an internal BFD header. */ | |
3fc90ddb | 1464 | |
f13a99db AM |
1465 | if (coff_data (link_info.output_bfd) == NULL |
1466 | || coff_data (link_info.output_bfd)->pe == 0) | |
1467 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1468 | link_info.output_bfd); | |
252b5132 | 1469 | |
f13a99db AM |
1470 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1471 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1472 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
0cb112f7 | 1473 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
3efd345c DK |
1474 | |
1475 | /* At this point we must decide whether to use long section names | |
1476 | in the output or not. If the user hasn't explicitly specified | |
1477 | on the command line, we leave it to the default for the format | |
1478 | (object files yes, image files no), except if there is debug | |
1479 | information present; GDB relies on the long section names to | |
1480 | find it, so enable it in that case. */ | |
1481 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1482 | { | |
61e2488c JT |
1483 | if (link_info.relocatable) |
1484 | pe_use_coff_long_section_names = 1; | |
1485 | else | |
3efd345c | 1486 | { |
61e2488c JT |
1487 | /* Iterate over all sections of all input BFDs, checking |
1488 | for any that begin 'debug_' and are long names. */ | |
1489 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1490 | { | |
1491 | int found_debug = 0; | |
1492 | ||
1493 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1494 | if (found_debug) | |
1495 | { | |
1496 | pe_use_coff_long_section_names = 1; | |
1497 | break; | |
1498 | } | |
1499 | } | |
3efd345c DK |
1500 | } |
1501 | } | |
1502 | ||
88183869 | 1503 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1504 | |
c6c37250 | 1505 | #ifdef DLL_SUPPORT |
252b5132 RH |
1506 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
1507 | pe_fixup_stdcalls (); | |
1508 | ||
f13a99db | 1509 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1510 | |
3fc90ddb | 1511 | pe_find_data_imports (); |
decc3638 | 1512 | |
8a9eab9b KT |
1513 | /* As possibly new symbols are added by imports, we rerun |
1514 | stdcall/fastcall fixup here. */ | |
1515 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ | |
1516 | pe_fixup_stdcalls (); | |
1517 | ||
7148cc28 NC |
1518 | #if defined (TARGET_IS_i386pe) \ |
1519 | || defined (TARGET_IS_armpe) \ | |
1520 | || defined (TARGET_IS_arm_epoc_pe) \ | |
1521 | || defined (TARGET_IS_arm_wince_pe) | |
1049f94e | 1522 | if (!link_info.relocatable) |
f13a99db | 1523 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 NC |
1524 | #else |
1525 | if (link_info.shared) | |
f13a99db | 1526 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1527 | else |
1528 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1529 | #endif |
7148cc28 | 1530 | #endif /* DLL_SUPPORT */ |
252b5132 | 1531 | |
7148cc28 | 1532 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1533 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1534 | { |
1535 | /* The arm backend needs special fields in the output hash structure. | |
1536 | These will only be created if the output format is an arm format, | |
1537 | hence we do not support linking and changing output formats at the | |
1538 | same time. Use a link followed by objcopy to change output formats. */ | |
1539 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
1540 | return; | |
1541 | } | |
252b5132 RH |
1542 | { |
1543 | /* Find a BFD that can hold the interworking stubs. */ | |
1544 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1545 | { | |
7148cc28 | 1546 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1547 | break; |
1548 | } | |
1549 | } | |
1550 | #endif | |
c6c37250 | 1551 | |
486e80e2 | 1552 | { |
486e80e2 DD |
1553 | /* This next chunk of code tries to detect the case where you have |
1554 | two import libraries for the same DLL (specifically, | |
1555 | symbolically linking libm.a and libc.a in cygwin to | |
1556 | libcygwin.a). In those cases, it's possible for function | |
1557 | thunks from the second implib to be used but without the | |
1558 | head/tail objects, causing an improper import table. We detect | |
1559 | those cases and rename the "other" import libraries to match | |
1560 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1561 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1562 | |
1563 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1564 | { | |
1565 | if (is->the_bfd->my_archive) | |
1566 | { | |
1567 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1568 | asection *sec; | |
3fc90ddb | 1569 | |
6e45556a | 1570 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1571 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1572 | { | |
1573 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1574 | idata2 = 1; | |
0112cd26 | 1575 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1576 | is_imp = 1; |
1577 | reloc_count += sec->reloc_count; | |
1578 | } | |
3fc90ddb | 1579 | |
486e80e2 DD |
1580 | if (is_imp && !idata2 && reloc_count) |
1581 | { | |
6e45556a NC |
1582 | /* It is, look for the reference to head and see if it's |
1583 | from our own library. */ | |
486e80e2 DD |
1584 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1585 | { | |
1586 | int i; | |
6e45556a | 1587 | long relsize; |
102c86f8 | 1588 | asymbol **symbols; |
102c86f8 NC |
1589 | arelent **relocs; |
1590 | int nrelocs; | |
3fc90ddb | 1591 | |
102c86f8 | 1592 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1593 | if (relsize < 1) |
1594 | break; | |
3fc90ddb | 1595 | |
5c1d2f5f | 1596 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1597 | { |
5c1d2f5f AM |
1598 | einfo (_("%B%F: could not read symbols: %E\n"), |
1599 | is->the_bfd); | |
6e45556a NC |
1600 | return; |
1601 | } | |
5c1d2f5f | 1602 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1603 | |
d127ecce | 1604 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1605 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1606 | relocs, symbols); |
6e45556a NC |
1607 | if (nrelocs < 0) |
1608 | { | |
1609 | free (relocs); | |
44e36d8a | 1610 | einfo ("%X%P: unable to process relocs: %E\n"); |
6e45556a NC |
1611 | return; |
1612 | } | |
3fc90ddb | 1613 | |
6e45556a | 1614 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1615 | { |
fc0a2244 | 1616 | struct bfd_symbol *s; |
6e45556a | 1617 | struct bfd_link_hash_entry * blhe; |
2a08daf3 | 1618 | char *other_bfd_filename; |
6e45556a | 1619 | char *n; |
3fc90ddb | 1620 | |
486e80e2 | 1621 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1622 | |
6e45556a NC |
1623 | if (s->flags & BSF_LOCAL) |
1624 | continue; | |
3fc90ddb | 1625 | |
6e45556a NC |
1626 | /* Thunk section with reloc to another bfd. */ |
1627 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1628 | s->name, | |
b34976b6 | 1629 | FALSE, FALSE, TRUE); |
3fc90ddb | 1630 | |
6e45556a NC |
1631 | if (blhe == NULL |
1632 | || blhe->type != bfd_link_hash_defined) | |
1633 | continue; | |
3fc90ddb | 1634 | |
2a08daf3 DS |
1635 | other_bfd_filename |
1636 | = blhe->u.def.section->owner->my_archive | |
1637 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1638 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1639 | |
42627821 KT |
1640 | if (filename_cmp (bfd_get_filename |
1641 | (is->the_bfd->my_archive), | |
1642 | other_bfd_filename) == 0) | |
6e45556a | 1643 | continue; |
3fc90ddb | 1644 | |
c034e3e0 | 1645 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1646 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1647 | strcpy (n, other_bfd_filename); | |
1648 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
1649 | } |
1650 | ||
1651 | free (relocs); | |
6e45556a NC |
1652 | /* Note - we do not free the symbols, |
1653 | they are now cached in the BFD. */ | |
486e80e2 DD |
1654 | } |
1655 | } | |
1656 | } | |
1657 | } | |
1658 | } | |
1659 | ||
c6c37250 | 1660 | { |
f0c87f88 | 1661 | int is_ms_arch = 0; |
1069dd8d | 1662 | bfd *cur_arch = 0; |
c6c37250 | 1663 | lang_input_statement_type *is2; |
44dbf363 | 1664 | lang_input_statement_type *is3; |
1069dd8d | 1665 | |
c6c37250 DD |
1666 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1667 | /* Microsoft import libraries have every member named the same, | |
1668 | and not in the right order for us to link them correctly. We | |
1669 | must detect these and rename the members so that they'll link | |
1670 | correctly. There are three types of objects: the head, the | |
1671 | thunks, and the sentinel(s). The head is easy; it's the one | |
1672 | with idata2. We assume that the sentinels won't have relocs, | |
1673 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1674 | table for external references. */ |
c6c37250 DD |
1675 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1676 | { | |
1677 | if (is->the_bfd->my_archive) | |
1678 | { | |
44dbf363 | 1679 | char *pnt; |
c6c37250 | 1680 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1681 | |
c6c37250 DD |
1682 | if (cur_arch != arch) |
1683 | { | |
1684 | cur_arch = arch; | |
1685 | is_ms_arch = 1; | |
44dbf363 NC |
1686 | |
1687 | for (is3 = is; | |
1688 | is3 && is3->the_bfd->my_archive == arch; | |
1689 | is3 = (lang_input_statement_type *) is3->next) | |
1690 | { | |
1af699f4 | 1691 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1692 | members, so look for the first element with a .dll |
1693 | extension, and use that for the remainder of the | |
1694 | comparisons. */ | |
1695 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
42627821 | 1696 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
ff71f4f7 | 1697 | break; |
44dbf363 NC |
1698 | } |
1699 | ||
1700 | if (is3 == NULL) | |
1701 | is_ms_arch = 0; | |
1702 | else | |
c6c37250 | 1703 | { |
44dbf363 NC |
1704 | /* OK, found one. Now look to see if the remaining |
1705 | (dynamic import) members use the same name. */ | |
1706 | for (is2 = is; | |
1707 | is2 && is2->the_bfd->my_archive == arch; | |
1708 | is2 = (lang_input_statement_type *) is2->next) | |
1709 | { | |
1710 | /* Skip static members, ie anything with a .obj | |
1711 | extension. */ | |
1712 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
42627821 | 1713 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
44dbf363 NC |
1714 | continue; |
1715 | ||
42627821 KT |
1716 | if (filename_cmp (is3->the_bfd->filename, |
1717 | is2->the_bfd->filename)) | |
44dbf363 NC |
1718 | { |
1719 | is_ms_arch = 0; | |
1720 | break; | |
1721 | } | |
1722 | } | |
c6c37250 DD |
1723 | } |
1724 | } | |
1725 | ||
44dbf363 NC |
1726 | /* This fragment might have come from an .obj file in a Microsoft |
1727 | import, and not an actual import record. If this is the case, | |
1728 | then leave the filename alone. */ | |
1729 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1730 | ||
42627821 | 1731 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
c6c37250 | 1732 | { |
1069dd8d | 1733 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1734 | asection *sec; |
1735 | char *new_name, seq; | |
1069dd8d | 1736 | |
c6c37250 DD |
1737 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1738 | { | |
1739 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1740 | idata2 = 1; | |
1741 | reloc_count += sec->reloc_count; | |
1742 | } | |
1743 | ||
1744 | if (idata2) /* .idata2 is the TOC */ | |
1745 | seq = 'a'; | |
1746 | else if (reloc_count > 0) /* thunks */ | |
1747 | seq = 'b'; | |
1748 | else /* sentinel */ | |
1749 | seq = 'c'; | |
1750 | ||
e4e24acb | 1751 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1752 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1753 | is->the_bfd->filename = new_name; | |
1754 | ||
690a460e | 1755 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1756 | sprintf (new_name, "%s.%c", is->filename, seq); |
1757 | is->filename = new_name; | |
1758 | } | |
1759 | } | |
1760 | } | |
1761 | } | |
54727719 NC |
1762 | |
1763 | { | |
1764 | /* The following chunk of code tries to identify jump stubs in | |
1765 | import libraries which are dead code and eliminates them | |
1766 | from the final link. For each exported symbol <sym>, there | |
1767 | is a object file in the import library with a .text section | |
d34c1c51 | 1768 | and several .idata\$* sections. The .text section contains the |
54727719 | 1769 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1770 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1771 | for __imp_<sym> which is the address of the slot for <sym> in |
1772 | the import address table. When a symbol is imported explicitly | |
1773 | using __declspec(dllimport) declaration, the compiler generates | |
1774 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1775 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1776 | needed. The following code tries to identify jump stub sections |
1777 | in import libraries which are not referred to by anyone and | |
1778 | marks them for exclusion from the final link. */ | |
1779 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1780 | { | |
1781 | if (is->the_bfd->my_archive) | |
1782 | { | |
1783 | int is_imp = 0; | |
1784 | asection *sec, *stub_sec = NULL; | |
1785 | ||
1786 | /* See if this is an import library thunk. */ | |
1787 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1788 | { | |
1789 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1790 | is_imp = 1; | |
1791 | /* The section containing the jmp stub has code | |
1792 | and has a reloc. */ | |
1793 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1794 | stub_sec = sec; | |
1795 | } | |
92b93329 | 1796 | |
54727719 NC |
1797 | if (is_imp && stub_sec) |
1798 | { | |
54727719 | 1799 | asymbol **symbols; |
5c1d2f5f | 1800 | long nsyms, src_count; |
54727719 NC |
1801 | struct bfd_link_hash_entry * blhe; |
1802 | ||
5c1d2f5f AM |
1803 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1804 | { | |
1805 | einfo (_("%B%F: could not read symbols: %E\n"), | |
1806 | is->the_bfd); | |
1807 | return; | |
1808 | } | |
1809 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1810 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1811 | |
5c1d2f5f | 1812 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1813 | { |
1814 | if (symbols[src_count]->section->id == stub_sec->id) | |
1815 | { | |
1816 | /* This symbol belongs to the section containing | |
1817 | the stub. */ | |
1818 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1819 | symbols[src_count]->name, | |
1820 | FALSE, FALSE, TRUE); | |
1821 | /* If the symbol in the stub section has no other | |
1822 | undefined references, exclude the stub section | |
1823 | from the final link. */ | |
e0605dbe AM |
1824 | if (blhe != NULL |
1825 | && blhe->type == bfd_link_hash_defined | |
1826 | && blhe->u.undef.next == NULL | |
1827 | && blhe != link_info.hash->undefs_tail) | |
54727719 NC |
1828 | stub_sec->flags |= SEC_EXCLUDE; |
1829 | } | |
1830 | } | |
54727719 NC |
1831 | } |
1832 | } | |
1833 | } | |
1834 | } | |
252b5132 RH |
1835 | } |
1836 | \f | |
3fc90ddb | 1837 | static void |
0c7a8e5a | 1838 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1839 | { |
1840 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1841 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1842 | { |
1843 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1844 | { | |
1845 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1846 | { | |
1847 | /* xgettext:c-format */ | |
1848 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1849 | } | |
1850 | } | |
1851 | } | |
1852 | ||
c9e38879 | 1853 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1854 | ppc_allocate_toc_section (&link_info); |
1855 | #endif /* TARGET_IS_ppcpe */ | |
1856 | ||
7148cc28 | 1857 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1858 | /* FIXME: we should be able to set the size of the interworking stub |
1859 | section. | |
1860 | ||
1861 | Here we rummage through the found bfds to collect glue | |
1862 | information. FIXME: should this be based on a command line | |
c9e38879 | 1863 | option? krk@cygnus.com. */ |
252b5132 RH |
1864 | { |
1865 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1866 | { | |
7148cc28 | 1867 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1868 | (is->the_bfd, & link_info, support_old_code)) |
1869 | { | |
1870 | /* xgettext:c-format */ | |
44e36d8a | 1871 | einfo (_("Errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1872 | is->filename); |
1873 | } | |
1874 | } | |
1875 | } | |
1876 | ||
c9e38879 | 1877 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 NC |
1878 | bfd_arm_allocate_interworking_sections (& link_info); |
1879 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ | |
8423293d | 1880 | |
1e035701 | 1881 | before_allocation_default (); |
252b5132 RH |
1882 | } |
1883 | \f | |
690a460e | 1884 | #ifdef DLL_SUPPORT |
252b5132 | 1885 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1886 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1887 | |
252b5132 | 1888 | static int |
0c7a8e5a | 1889 | saw_option (char *option) |
252b5132 RH |
1890 | { |
1891 | int i; | |
c9e38879 NC |
1892 | |
1893 | for (i = 0; init[i].ptr; i++) | |
522f09cd | 1894 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
252b5132 RH |
1895 | return init[i].inited; |
1896 | return 0; | |
1897 | } | |
690a460e | 1898 | #endif /* DLL_SUPPORT */ |
252b5132 | 1899 | |
b34976b6 | 1900 | static bfd_boolean |
0c7a8e5a | 1901 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1902 | { |
c6c37250 | 1903 | #ifdef DLL_SUPPORT |
252b5132 RH |
1904 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1905 | ||
42627821 | 1906 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
252b5132 | 1907 | { |
f2d3750d | 1908 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1909 | |
1910 | if (pe_def_file) | |
252b5132 | 1911 | { |
c9e38879 NC |
1912 | int i, buflen=0, len; |
1913 | char *buf; | |
252b5132 | 1914 | |
c9e38879 | 1915 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1916 | { |
939ba9d0 | 1917 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1918 | if (buflen < len + 2) |
1919 | buflen = len + 2; | |
252b5132 | 1920 | } |
252b5132 | 1921 | |
d127ecce | 1922 | buf = xmalloc (buflen); |
252b5132 | 1923 | |
c9e38879 NC |
1924 | for (i = 0; i < pe_def_file->num_exports; i++) |
1925 | { | |
1926 | struct bfd_link_hash_entry *h; | |
1927 | ||
522f09cd KT |
1928 | sprintf (buf, "%s%s", U (""), |
1929 | pe_def_file->exports[i].internal_name); | |
c9e38879 | 1930 | |
b34976b6 | 1931 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 NC |
1932 | if (h == (struct bfd_link_hash_entry *) NULL) |
1933 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1934 | if (h->type == bfd_link_hash_new) | |
1935 | { | |
1936 | h->type = bfd_link_hash_undefined; | |
1937 | h->u.undef.abfd = NULL; | |
1938 | bfd_link_add_undef (link_info.hash, h); | |
1939 | } | |
1940 | } | |
1941 | free (buf); | |
1942 | ||
1943 | /* def_file_print (stdout, pe_def_file); */ | |
1944 | if (pe_def_file->is_dll == 1) | |
1945 | link_info.shared = 1; | |
1946 | ||
1947 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1948 | { | |
f13a99db AM |
1949 | pe.ImageBase |
1950 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1951 | = init[IMAGEBASEOFF].value | |
1952 | = pe_def_file->base_address; | |
c9e38879 NC |
1953 | init[IMAGEBASEOFF].inited = 1; |
1954 | if (image_base_statement) | |
eb8476a6 MR |
1955 | image_base_statement->exp |
1956 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), | |
1957 | FALSE); | |
c9e38879 | 1958 | } |
252b5132 | 1959 | |
c9e38879 NC |
1960 | if (pe_def_file->stack_reserve != -1 |
1961 | && ! saw_option ("__size_of_stack_reserve__")) | |
1962 | { | |
1963 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1964 | if (pe_def_file->stack_commit != -1) | |
1965 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1966 | } | |
1967 | if (pe_def_file->heap_reserve != -1 | |
1968 | && ! saw_option ("__size_of_heap_reserve__")) | |
1969 | { | |
1970 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1971 | if (pe_def_file->heap_commit != -1) | |
1972 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1973 | } | |
b34976b6 | 1974 | return TRUE; |
c9e38879 | 1975 | } |
252b5132 | 1976 | } |
252b5132 | 1977 | #endif |
b34976b6 | 1978 | return FALSE; |
252b5132 RH |
1979 | } |
1980 | ||
b34976b6 | 1981 | static bfd_boolean |
0c7a8e5a | 1982 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1983 | { |
c6c37250 | 1984 | #ifdef DLL_SUPPORT |
252b5132 | 1985 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1986 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1987 | #endif |
1988 | #ifdef TARGET_IS_shpe | |
1989 | pe_dll_id_target ("pei-shl"); | |
1990 | #endif | |
344a211f NC |
1991 | #ifdef TARGET_IS_armpe |
1992 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 NC |
1993 | #endif |
1994 | #ifdef TARGET_IS_arm_epoc_pe | |
1995 | pe_dll_id_target ("epoc-pei-arm-little"); | |
1996 | #endif | |
1997 | #ifdef TARGET_IS_arm_wince_pe | |
1998 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1999 | #endif |
ff2bdb9c CF |
2000 | if (pe_bfd_is_dll (entry->the_bfd)) |
2001 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 2002 | #endif |
b34976b6 | 2003 | return FALSE; |
252b5132 RH |
2004 | } |
2005 | ||
2006 | static void | |
0c7a8e5a | 2007 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 2008 | { |
7148cc28 | 2009 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
2010 | struct bfd_link_hash_entry * h; |
2011 | ||
2012 | if (thumb_entry_symbol != NULL) | |
2013 | { | |
b34976b6 AM |
2014 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
2015 | FALSE, FALSE, TRUE); | |
3fc90ddb | 2016 | |
6f798e5c NC |
2017 | if (h != (struct bfd_link_hash_entry *) NULL |
2018 | && (h->type == bfd_link_hash_defined | |
2019 | || h->type == bfd_link_hash_defweak) | |
2020 | && h->u.def.section->output_section != NULL) | |
2021 | { | |
2022 | static char buffer[32]; | |
2023 | bfd_vma val; | |
3fc90ddb | 2024 | |
6f798e5c NC |
2025 | /* Special procesing is required for a Thumb entry symbol. The |
2026 | bottom bit of its address must be set. */ | |
2027 | val = (h->u.def.value | |
f13a99db | 2028 | + bfd_get_section_vma (link_info.output_bfd, |
6f798e5c NC |
2029 | h->u.def.section->output_section) |
2030 | + h->u.def.section->output_offset); | |
3fc90ddb | 2031 | |
6f798e5c | 2032 | val |= 1; |
3fc90ddb | 2033 | |
6f798e5c NC |
2034 | /* Now convert this value into a string and store it in entry_symbol |
2035 | where the lang_finish() function will pick it up. */ | |
2036 | buffer[0] = '0'; | |
2037 | buffer[1] = 'x'; | |
3fc90ddb | 2038 | |
6f798e5c | 2039 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 2040 | |
e3e942e9 | 2041 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 2042 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
2043 | thumb_entry_symbol, entry_symbol.name); |
2044 | entry_symbol.name = buffer; | |
6f798e5c NC |
2045 | } |
2046 | else | |
c58dea77 | 2047 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 2048 | } |
7148cc28 | 2049 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 2050 | |
1e035701 AM |
2051 | finish_default (); |
2052 | ||
c6c37250 | 2053 | #ifdef DLL_SUPPORT |
2b817be1 | 2054 | if (link_info.shared |
e8044f35 | 2055 | #if !defined(TARGET_IS_shpe) |
d127ecce | 2056 | || (!link_info.relocatable && pe_def_file->num_exports != 0) |
2b817be1 NC |
2057 | #endif |
2058 | ) | |
252b5132 | 2059 | { |
f13a99db | 2060 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
252b5132 | 2061 | if (pe_implib_filename) |
e1c37eb5 | 2062 | pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info); |
252b5132 | 2063 | } |
e8044f35 | 2064 | #if defined(TARGET_IS_shpe) |
690a460e | 2065 | /* ARM doesn't need relocs. */ |
344a211f NC |
2066 | else |
2067 | { | |
f13a99db | 2068 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
2069 | } |
2070 | #endif | |
3fc90ddb | 2071 | |
252b5132 RH |
2072 | if (pe_out_def_filename) |
2073 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 2074 | #endif /* DLL_SUPPORT */ |
decc3638 | 2075 | |
c9e38879 | 2076 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 2077 | { |
f13a99db | 2078 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 2079 | |
decc3638 CW |
2080 | if (asec) |
2081 | { | |
1af699f4 AM |
2082 | asec->flags &= ~SEC_CODE; |
2083 | asec->flags |= SEC_DATA; | |
decc3638 CW |
2084 | } |
2085 | } | |
252b5132 RH |
2086 | } |
2087 | ||
2088 | \f | |
2089 | /* Place an orphan section. | |
2090 | ||
2091 | We use this to put sections in a reasonable place in the file, and | |
2092 | to ensure that they are aligned as required. | |
2093 | ||
d34c1c51 | 2094 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
2095 | goes into the output section .foo. All grouped sections are sorted |
2096 | by name. | |
2097 | ||
2098 | Grouped sections for the default sections are handled by the | |
2099 | default linker script using wildcards, and are sorted by | |
2100 | sort_sections. */ | |
2101 | ||
c2edb4b8 | 2102 | static lang_output_section_statement_type * |
8a99a385 AM |
2103 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
2104 | const char *secname, | |
2105 | int constraint) | |
252b5132 | 2106 | { |
bcacc0f5 | 2107 | const char *orig_secname = secname; |
f0c87f88 | 2108 | char *dollar = NULL; |
aea4bd9d | 2109 | lang_output_section_statement_type *os; |
5ba47421 | 2110 | lang_statement_list_type add_child; |
b5f14a6d | 2111 | lang_output_section_statement_type *match_by_name = NULL; |
011aa75f | 2112 | lang_statement_union_type **pl; |
252b5132 | 2113 | |
252b5132 | 2114 | /* Look through the script to see where to place this section. */ |
afd7a018 | 2115 | if (!link_info.relocatable |
d34c1c51 | 2116 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 2117 | { |
bcacc0f5 | 2118 | size_t len = dollar - secname; |
afd7a018 | 2119 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 2120 | memcpy (newname, secname, len); |
afd7a018 AM |
2121 | newname[len] = '\0'; |
2122 | secname = newname; | |
6eec49fc | 2123 | } |
252b5132 | 2124 | |
5ba47421 AM |
2125 | lang_list_init (&add_child); |
2126 | ||
d127ecce AM |
2127 | os = NULL; |
2128 | if (constraint == 0) | |
2129 | for (os = lang_output_section_find (secname); | |
2130 | os != NULL; | |
2131 | os = next_matching_output_section_statement (os, 0)) | |
2132 | { | |
2133 | /* If we don't match an existing output section, tell | |
2134 | lang_insert_orphan to create a new output section. */ | |
2135 | constraint = SPECIAL; | |
2136 | ||
2137 | if (os->bfd_section != NULL | |
2138 | && (os->bfd_section->flags == 0 | |
2139 | || ((s->flags ^ os->bfd_section->flags) | |
2140 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
2141 | { | |
2142 | /* We already have an output section statement with this | |
2143 | name, and its bfd section has compatible flags. | |
2144 | If the section already exists but does not have any flags set, | |
2145 | then it has been created by the linker, probably as a result of | |
2146 | a --section-start command line switch. */ | |
b9c361e0 | 2147 | lang_add_section (&add_child, s, NULL, os); |
d127ecce AM |
2148 | break; |
2149 | } | |
b5f14a6d DD |
2150 | |
2151 | /* Save unused output sections in case we can match them | |
2152 | against orphans later. */ | |
2153 | if (os->bfd_section == NULL) | |
2154 | match_by_name = os; | |
d127ecce AM |
2155 | } |
2156 | ||
b5f14a6d DD |
2157 | /* If we didn't match an active output section, see if we matched an |
2158 | unused one and use that. */ | |
2159 | if (os == NULL && match_by_name) | |
2160 | { | |
b9c361e0 | 2161 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2162 | return match_by_name; |
2163 | } | |
2164 | ||
d127ecce | 2165 | if (os == NULL) |
252b5132 | 2166 | { |
afd7a018 AM |
2167 | static struct orphan_save hold[] = |
2168 | { | |
2169 | { ".text", | |
2170 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2171 | 0, 0, 0, 0 }, | |
d4874973 KT |
2172 | { ".idata", |
2173 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2174 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2175 | { ".rdata", |
2176 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2177 | 0, 0, 0, 0 }, | |
2178 | { ".data", | |
2179 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2180 | 0, 0, 0, 0 }, | |
2181 | { ".bss", | |
2182 | SEC_ALLOC, | |
2183 | 0, 0, 0, 0 } | |
2184 | }; | |
2185 | enum orphan_save_index | |
2186 | { | |
2187 | orphan_text = 0, | |
d4874973 | 2188 | orphan_idata, |
afd7a018 AM |
2189 | orphan_rodata, |
2190 | orphan_data, | |
2191 | orphan_bss | |
2192 | }; | |
2193 | static int orphan_init_done = 0; | |
6a345e87 | 2194 | struct orphan_save *place; |
afd7a018 | 2195 | lang_output_section_statement_type *after; |
252b5132 | 2196 | etree_type *address; |
afd7a018 AM |
2197 | |
2198 | if (!orphan_init_done) | |
2199 | { | |
2200 | struct orphan_save *ho; | |
2201 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
2202 | if (ho->name != NULL) | |
2203 | { | |
2204 | ho->os = lang_output_section_find (ho->name); | |
2205 | if (ho->os != NULL && ho->os->flags == 0) | |
2206 | ho->os->flags = ho->flags; | |
2207 | } | |
2208 | orphan_init_done = 1; | |
2209 | } | |
252b5132 RH |
2210 | |
2211 | /* Try to put the new output section in a reasonable place based | |
2212 | on the section name and section flags. */ | |
aea4bd9d | 2213 | |
252b5132 | 2214 | place = NULL; |
5ba47421 AM |
2215 | if ((s->flags & SEC_ALLOC) == 0) |
2216 | ; | |
afd7a018 AM |
2217 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
2218 | place = &hold[orphan_bss]; | |
2219 | else if ((s->flags & SEC_READONLY) == 0) | |
2220 | place = &hold[orphan_data]; | |
2221 | else if ((s->flags & SEC_CODE) == 0) | |
d4874973 KT |
2222 | { |
2223 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] | |
2224 | : &hold[orphan_rodata]); | |
2225 | } | |
1af699f4 | 2226 | else |
afd7a018 | 2227 | place = &hold[orphan_text]; |
1af699f4 | 2228 | |
afd7a018 | 2229 | after = NULL; |
1af699f4 AM |
2230 | if (place != NULL) |
2231 | { | |
afd7a018 AM |
2232 | if (place->os == NULL) |
2233 | place->os = lang_output_section_find (place->name); | |
2234 | after = place->os; | |
2235 | if (after == NULL) | |
390fbbf1 | 2236 | after = lang_output_section_find_by_flags (s, &place->os, NULL); |
afd7a018 AM |
2237 | if (after == NULL) |
2238 | /* *ABS* is always the first output section statement. */ | |
2239 | after = (&lang_output_section_statement.head | |
2240 | ->output_section_statement); | |
252b5132 RH |
2241 | } |
2242 | ||
4bf0cafb DK |
2243 | /* All sections in an executable must be aligned to a page boundary. |
2244 | In a relocatable link, just preserve the incoming alignment; the | |
2245 | address is discarded by lang_insert_orphan in that case, anyway. */ | |
afd7a018 | 2246 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
8a99a385 AM |
2247 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
2248 | &add_child); | |
4bf0cafb DK |
2249 | if (link_info.relocatable) |
2250 | { | |
2251 | os->section_alignment = s->alignment_power; | |
2252 | os->bfd_section->alignment_power = s->alignment_power; | |
2253 | } | |
252b5132 RH |
2254 | } |
2255 | ||
011aa75f AM |
2256 | /* If the section name has a '\$', sort it with the other '\$' |
2257 | sections. */ | |
2258 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
2259 | { | |
2260 | lang_input_section_type *ls; | |
2261 | const char *lname; | |
252b5132 | 2262 | |
011aa75f AM |
2263 | if ((*pl)->header.type != lang_input_section_enum) |
2264 | continue; | |
252b5132 | 2265 | |
011aa75f | 2266 | ls = &(*pl)->input_section; |
252b5132 | 2267 | |
011aa75f AM |
2268 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
2269 | if (strchr (lname, '\$') != NULL | |
2270 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
2271 | break; | |
2272 | } | |
5ba47421 | 2273 | |
011aa75f AM |
2274 | if (add_child.head != NULL) |
2275 | { | |
2276 | *add_child.tail = *pl; | |
2277 | *pl = add_child.head; | |
2278 | } | |
252b5132 | 2279 | |
c2edb4b8 | 2280 | return os; |
252b5132 RH |
2281 | } |
2282 | ||
b34976b6 | 2283 | static bfd_boolean |
0c7a8e5a | 2284 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
2285 | (const char *arch ATTRIBUTE_UNUSED, |
2286 | search_dirs_type *search, | |
0c7a8e5a | 2287 | lang_input_statement_type *entry) |
690a460e | 2288 | { |
45e948fe NC |
2289 | static const struct |
2290 | { | |
2291 | const char * format; | |
2292 | bfd_boolean use_prefix; | |
2293 | } | |
2294 | libname_fmt [] = | |
2295 | { | |
2296 | /* Preferred explicit import library for dll's. */ | |
2297 | { "lib%s.dll.a", FALSE }, | |
2298 | /* Alternate explicit import library for dll's. */ | |
2299 | { "%s.dll.a", FALSE }, | |
2300 | /* "libfoo.a" could be either an import lib or a static lib. | |
2301 | For backwards compatibility, libfoo.a needs to precede | |
2302 | libfoo.dll and foo.dll in the search. */ | |
2303 | { "lib%s.a", FALSE }, | |
92b93329 | 2304 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe NC |
2305 | { "%s.lib", FALSE }, |
2306 | #ifdef DLL_SUPPORT | |
2307 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
2308 | { "%s%s.dll", TRUE }, | |
2309 | #endif | |
2310 | /* Try "libfoo.dll" (default preferred dll name). */ | |
2311 | { "lib%s.dll", FALSE }, | |
2312 | /* Finally try 'native' dll name "foo.dll". */ | |
2313 | { "%s.dll", FALSE }, | |
2314 | /* Note: If adding more formats to this table, make sure to check to | |
2315 | see if their length is longer than libname_fmt[0].format, and if | |
2316 | so, update the call to xmalloc() below. */ | |
2317 | { NULL, FALSE } | |
2318 | }; | |
b1d9458a | 2319 | static unsigned int format_max_len = 0; |
690a460e | 2320 | const char * filename; |
45e948fe NC |
2321 | char * full_string; |
2322 | char * base_string; | |
2323 | unsigned int i; | |
2324 | ||
690a460e | 2325 | |
d4ae5fb0 | 2326 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
b34976b6 | 2327 | return FALSE; |
690a460e NC |
2328 | |
2329 | filename = entry->filename; | |
2330 | ||
b1d9458a NC |
2331 | if (format_max_len == 0) |
2332 | /* We need to allow space in the memory that we are going to allocate | |
2333 | for the characters in the format string. Since the format array is | |
2334 | static we only need to calculate this information once. In theory | |
2335 | this value could also be computed statically, but this introduces | |
2336 | the possibility for a discrepancy and hence a possible memory | |
2337 | corruption. The lengths we compute here will be too long because | |
2338 | they will include any formating characters (%s) in the strings, but | |
2339 | this will not matter. */ | |
2340 | for (i = 0; libname_fmt[i].format; i++) | |
2341 | if (format_max_len < strlen (libname_fmt[i].format)) | |
2342 | format_max_len = strlen (libname_fmt[i].format); | |
2343 | ||
45e948fe NC |
2344 | full_string = xmalloc (strlen (search->name) |
2345 | + strlen (filename) | |
b1d9458a | 2346 | + format_max_len |
b9a69188 | 2347 | #ifdef DLL_SUPPORT |
45e948fe NC |
2348 | + (pe_dll_search_prefix |
2349 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 2350 | #endif |
b1d9458a NC |
2351 | /* Allow for the terminating NUL and for the path |
2352 | separator character that is inserted between | |
2353 | search->name and the start of the format string. */ | |
2354 | + 2); | |
690a460e | 2355 | |
45e948fe NC |
2356 | sprintf (full_string, "%s/", search->name); |
2357 | base_string = full_string + strlen (full_string); | |
690a460e | 2358 | |
45e948fe | 2359 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 2360 | { |
92b93329 | 2361 | #ifdef DLL_SUPPORT |
45e948fe | 2362 | if (libname_fmt[i].use_prefix) |
1af699f4 | 2363 | { |
45e948fe NC |
2364 | if (!pe_dll_search_prefix) |
2365 | continue; | |
2366 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 2367 | } |
45e948fe NC |
2368 | else |
2369 | #endif | |
2370 | sprintf (base_string, libname_fmt[i].format, filename); | |
2371 | ||
2372 | if (ldfile_try_open_bfd (full_string, entry)) | |
2373 | break; | |
2374 | } | |
2375 | ||
2376 | if (!libname_fmt[i].format) | |
2377 | { | |
2378 | free (full_string); | |
2379 | return FALSE; | |
690a460e | 2380 | } |
602e90d3 | 2381 | |
45e948fe | 2382 | entry->filename = full_string; |
690a460e | 2383 | |
b34976b6 | 2384 | return TRUE; |
690a460e NC |
2385 | } |
2386 | ||
344a211f | 2387 | static int |
0c7a8e5a AM |
2388 | gld_${EMULATION_NAME}_find_potential_libraries |
2389 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2390 | { |
2391 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2392 | } | |
252b5132 RH |
2393 | \f |
2394 | static char * | |
0c7a8e5a | 2395 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2396 | EOF |
2397 | # Scripts compiled in. | |
2398 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2399 | sc="-f stringify.sed" |
252b5132 | 2400 | |
92b93329 | 2401 | fragment <<EOF |
3fc90ddb | 2402 | { |
252b5132 RH |
2403 | *isfile = 0; |
2404 | ||
1049f94e | 2405 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
2406 | return |
2407 | EOF | |
1af699f4 AM |
2408 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
2409 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
2410 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
2411 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2412 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2413 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2414 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 | 2415 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
ca5f2203 | 2416 | 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 |
2417 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
2418 | fi | |
1af699f4 AM |
2419 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2420 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2421 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2422 | |
92b93329 | 2423 | fragment <<EOF |
252b5132 RH |
2424 | |
2425 | ||
3fc90ddb | 2426 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2427 | { |
2428 | gld_${EMULATION_NAME}_before_parse, | |
2429 | syslib_default, | |
2430 | hll_default, | |
2431 | gld_${EMULATION_NAME}_after_parse, | |
2432 | gld_${EMULATION_NAME}_after_open, | |
2433 | after_allocation_default, | |
2434 | set_output_arch_default, | |
2435 | ldemul_default_target, | |
2436 | gld_${EMULATION_NAME}_before_allocation, | |
2437 | gld_${EMULATION_NAME}_get_script, | |
2438 | "${EMULATION_NAME}", | |
2439 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2440 | gld_${EMULATION_NAME}_finish, |
2441 | NULL, /* Create output section statements. */ | |
690a460e | 2442 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2443 | gld_${EMULATION_NAME}_place_orphan, |
2444 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2445 | NULL, /* parse_args */ |
2446 | gld${EMULATION_NAME}_add_options, | |
2447 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2448 | gld_${EMULATION_NAME}_unrecognized_file, |
2449 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2450 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2451 | gld_${EMULATION_NAME}_find_potential_libraries, |
7a2f2d82 DD |
2452 | NULL, /* new_vers_pattern. */ |
2453 | NULL /* extra_map_file_text. */ | |
252b5132 RH |
2454 | }; |
2455 | EOF |