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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
e60cc415 | 3 | test -z "${ENTRY}" && ENTRY="_mainCRTStartup" |
3fc90ddb | 4 | if [ -z "$MACHINE" ]; then |
86af25fe L |
5 | OUTPUT_ARCH=${ARCH} |
6 | else | |
7 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
8 | fi | |
361d94e7 ILT |
9 | rm -f e${EMULATION_NAME}.c |
10 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) | |
92b93329 | 11 | fragment <<EOF |
f96b4a7b | 12 | /* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
bde18da4 | 13 | 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
252b5132 | 14 | |
f96b4a7b NC |
15 | This file is part of the GNU Binutils. |
16 | ||
2fa9fc65 NC |
17 | This program is free software; you can redistribute it and/or modify |
18 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 19 | the Free Software Foundation; either version 3 of the License, or |
2fa9fc65 | 20 | (at your option) any later version. |
252b5132 | 21 | |
2fa9fc65 NC |
22 | This program is distributed in the hope that it will be useful, |
23 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | GNU General Public License for more details. | |
252b5132 | 26 | |
2fa9fc65 NC |
27 | You should have received a copy of the GNU General Public License |
28 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
29 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
30 | MA 02110-1301, USA. */ | |
31 | ||
252b5132 RH |
32 | |
33 | /* For WINDOWS_NT */ | |
34 | /* The original file generated returned different default scripts depending | |
35 | on whether certain switches were set, but these switches pertain to the | |
36 | Linux system and that particular version of coff. In the NT case, we | |
37 | only determine if the subsystem is console or windows in order to select | |
3fc90ddb AJ |
38 | the correct entry point by default. */ |
39 | ||
db09f25b AM |
40 | #define TARGET_IS_${EMULATION_NAME} |
41 | ||
42 | /* Do this before including bfd.h, so we prototype the right functions. */ | |
db09f25b | 43 | |
7148cc28 NC |
44 | #if defined(TARGET_IS_armpe) \ |
45 | || defined(TARGET_IS_arm_epoc_pe) \ | |
46 | || defined(TARGET_IS_arm_wince_pe) | |
47 | #define bfd_arm_allocate_interworking_sections \ | |
48 | bfd_${EMULATION_NAME}_allocate_interworking_sections | |
49 | #define bfd_arm_get_bfd_for_interworking \ | |
50 | bfd_${EMULATION_NAME}_get_bfd_for_interworking | |
51 | #define bfd_arm_process_before_allocation \ | |
52 | bfd_${EMULATION_NAME}_process_before_allocation | |
53 | #endif | |
92b93329 | 54 | |
252b5132 | 55 | #include "sysdep.h" |
3db64b00 | 56 | #include "bfd.h" |
252b5132 RH |
57 | #include "bfdlink.h" |
58 | #include "getopt.h" | |
59 | #include "libiberty.h" | |
60 | #include "ld.h" | |
61 | #include "ldmain.h" | |
252b5132 RH |
62 | #include "ldexp.h" |
63 | #include "ldlang.h" | |
b71e2778 | 64 | #include "ldfile.h" |
252b5132 | 65 | #include "ldemul.h" |
df2a7313 | 66 | #include <ldgram.h> |
252b5132 RH |
67 | #include "ldlex.h" |
68 | #include "ldmisc.h" | |
69 | #include "ldctor.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 | ||
71add731 ILT |
77 | /* FIXME: This is a BFD internal header file, and we should not be |
78 | using it here. */ | |
252b5132 | 79 | #include "../bfd/libcoff.h" |
71add731 | 80 | |
252b5132 | 81 | #include "deffile.h" |
1069dd8d | 82 | #include "pe-dll.h" |
29e1a6e4 | 83 | #include "safe-ctype.h" |
14fe918e | 84 | |
2be9b2c7 ILT |
85 | /* Permit the emulation parameters to override the default section |
86 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes | |
87 | it seem that include/coff/internal.h should not define | |
88 | PE_DEF_SECTION_ALIGNMENT. */ | |
89 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} | |
90 | #undef PE_DEF_SECTION_ALIGNMENT | |
91 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} | |
92 | #endif | |
93 | ||
7148cc28 NC |
94 | #if defined(TARGET_IS_i386pe) \ |
95 | || defined(TARGET_IS_shpe) \ | |
96 | || defined(TARGET_IS_mipspe) \ | |
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 | |
344a211f | 103 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
c6c37250 | 104 | #define PE_DEF_SUBSYSTEM 3 |
344a211f NC |
105 | #else |
106 | #undef NT_EXE_IMAGE_BASE | |
107 | #undef PE_DEF_SECTION_ALIGNMENT | |
108 | #undef PE_DEF_FILE_ALIGNMENT | |
109 | #define NT_EXE_IMAGE_BASE 0x00010000 | |
7148cc28 NC |
110 | |
111 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) | |
344a211f NC |
112 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
113 | #define PE_DEF_SUBSYSTEM 9 | |
114 | #else | |
115 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 | |
116 | #define PE_DEF_SUBSYSTEM 2 | |
117 | #endif | |
118 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 | |
119 | #endif | |
c6c37250 | 120 | |
00479ba8 | 121 | #define U(S) ${INITIAL_SYMBOL_CHAR} S |
252b5132 RH |
122 | |
123 | static struct internal_extra_pe_aouthdr pe; | |
124 | static int dll; | |
26d2d8a2 | 125 | static flagword real_flags = 0; |
252b5132 | 126 | static int support_old_code = 0; |
6f798e5c | 127 | static char * thumb_entry_symbol = NULL; |
252b5132 | 128 | static lang_assignment_statement_type *image_base_statement = 0; |
2f563b51 | 129 | static unsigned short pe_dll_characteristics = 0; |
252b5132 | 130 | |
f0c87f88 | 131 | #ifdef DLL_SUPPORT |
4cd89863 | 132 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
690a460e NC |
133 | static char *pe_out_def_filename = NULL; |
134 | static char *pe_implib_filename = NULL; | |
5f577f7d | 135 | static int pe_enable_auto_image_base = 0; |
627427de | 136 | static char *pe_dll_search_prefix = NULL; |
f0c87f88 | 137 | #endif |
252b5132 RH |
138 | |
139 | extern const char *output_filename; | |
140 | ||
141 | static void | |
0c7a8e5a | 142 | gld_${EMULATION_NAME}_before_parse (void) |
252b5132 | 143 | { |
5e2f1575 | 144 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
db8d4f23 | 145 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
c6c37250 | 146 | #ifdef DLL_SUPPORT |
b34976b6 | 147 | config.dynamic_link = TRUE; |
252b5132 | 148 | config.has_shared = 1; |
5b9c6027 DK |
149 | EOF |
150 | ||
151 | # Cygwin no longer wants these noisy warnings. Other PE | |
152 | # targets might like to consider adding themselves here. | |
153 | case ${target} in | |
154 | *-*-cygwin*) | |
155 | default_auto_import=1 | |
156 | ;; | |
157 | *) | |
158 | default_auto_import=-1 | |
159 | ;; | |
160 | esac | |
161 | ||
162 | fragment <<EOF | |
163 | link_info.pei386_auto_import = ${default_auto_import}; | |
6cb442d3 | 164 | link_info.pei386_runtime_pseudo_reloc = 1; /* Use by default version 1. */ |
344a211f NC |
165 | |
166 | #if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2) | |
7148cc28 | 167 | #if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe |
a359509e | 168 | lang_default_entry ("WinMainCRTStartup"); |
344a211f | 169 | #else |
a359509e | 170 | lang_default_entry ("_WinMainCRTStartup"); |
344a211f | 171 | #endif |
e60cc415 DS |
172 | #else |
173 | lang_default_entry ("${ENTRY}"); | |
344a211f | 174 | #endif |
252b5132 RH |
175 | #endif |
176 | } | |
177 | \f | |
178 | /* PE format extra command line options. */ | |
179 | ||
4cd89863 | 180 | /* Used for setting flags in the PE header. */ |
252b5132 RH |
181 | #define OPTION_BASE_FILE (300 + 1) |
182 | #define OPTION_DLL (OPTION_BASE_FILE + 1) | |
183 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) | |
184 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) | |
185 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) | |
186 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) | |
187 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) | |
188 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) | |
189 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) | |
190 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) | |
191 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) | |
0c7a8e5a AM |
192 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
193 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) | |
252b5132 RH |
194 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
195 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) | |
196 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) | |
197 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) | |
198 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) | |
199 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1) | |
200 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) | |
201 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) | |
202 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) | |
203 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) | |
6f798e5c | 204 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
870df5dc NC |
205 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
206 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) | |
5f577f7d DD |
207 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
208 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) | |
1122a5fc NC |
209 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
210 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) | |
decc3638 CW |
211 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
212 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) | |
213 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) | |
70b0be79 | 214 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
2fa9fc65 NC |
215 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
216 | (OPTION_EXCLUDE_LIBS + 1) | |
217 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ | |
218 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) | |
26d2d8a2 BF |
219 | #define OPTION_LARGE_ADDRESS_AWARE \ |
220 | (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) | |
6cb442d3 KT |
221 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
222 | (OPTION_LARGE_ADDRESS_AWARE + 1) | |
223 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ | |
224 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) | |
e1c37eb5 DK |
225 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
226 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) | |
ce11ba6c | 227 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
88183869 DK |
228 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
229 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ | |
230 | (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) | |
231 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ | |
232 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) | |
2f563b51 DK |
233 | /* DLLCharacteristics flags */ |
234 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) | |
235 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) | |
236 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) | |
237 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) | |
238 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) | |
239 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) | |
240 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) | |
241 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) | |
252b5132 | 242 | |
3bcf5557 | 243 | static void |
0c7a8e5a | 244 | gld${EMULATION_NAME}_add_options |
d127ecce AM |
245 | (int ns ATTRIBUTE_UNUSED, |
246 | char **shortopts ATTRIBUTE_UNUSED, | |
247 | int nl, | |
248 | struct option **longopts, | |
249 | int nrl ATTRIBUTE_UNUSED, | |
250 | struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 AM |
251 | { |
252 | static const struct option xtra_long[] = { | |
253 | /* PE options */ | |
254 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, | |
255 | {"dll", no_argument, NULL, OPTION_DLL}, | |
256 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, | |
257 | {"heap", required_argument, NULL, OPTION_HEAP}, | |
258 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, | |
259 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, | |
260 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, | |
261 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, | |
262 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, | |
263 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, | |
264 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, | |
265 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, | |
266 | {"stack", required_argument, NULL, OPTION_STACK}, | |
267 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, | |
268 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, | |
269 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
ce11ba6c KT |
270 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
271 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, | |
c6c37250 | 272 | #ifdef DLL_SUPPORT |
d127ecce AM |
273 | /* getopt allows abbreviations, so we do this to stop it |
274 | from treating -o as an abbreviation for this option. */ | |
3bcf5557 AM |
275 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
276 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, | |
277 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, | |
278 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, | |
279 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, | |
e1c37eb5 | 280 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
3bcf5557 AM |
281 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
282 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, | |
283 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, | |
284 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, | |
285 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, | |
286 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, | |
287 | /* getopt() allows abbreviations, so we do this to stop it from | |
288 | treating -c as an abbreviation for these --compat-implib. */ | |
289 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
290 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, | |
291 | {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, | |
292 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, | |
293 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, | |
294 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, | |
295 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, | |
296 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, | |
297 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, | |
298 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, | |
299 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, | |
6cb442d3 KT |
300 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
301 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, | |
252b5132 | 302 | #endif |
26d2d8a2 | 303 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
88183869 DK |
304 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
305 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, | |
2f563b51 DK |
306 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
307 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, | |
308 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, | |
309 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, | |
310 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, | |
311 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, | |
312 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, | |
313 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, | |
3bcf5557 AM |
314 | {NULL, no_argument, NULL, 0} |
315 | }; | |
252b5132 | 316 | |
d127ecce AM |
317 | *longopts |
318 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
319 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
320 | } | |
252b5132 RH |
321 | |
322 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack | |
4cd89863 | 323 | parameters which may be input from the command line. */ |
252b5132 RH |
324 | |
325 | typedef struct | |
326 | { | |
327 | void *ptr; | |
328 | int size; | |
329 | int value; | |
330 | char *symbol; | |
331 | int inited; | |
332 | } definfo; | |
333 | ||
334 | #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} | |
335 | ||
336 | static definfo init[] = | |
337 | { | |
338 | /* imagebase must be first */ | |
339 | #define IMAGEBASEOFF 0 | |
340 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), | |
341 | #define DLLOFF 1 | |
1069dd8d | 342 | {&dll, sizeof(dll), 0, "__dll__", 0}, |
dffc6a64 KT |
343 | #define MSIMAGEBASEOFF 2 |
344 | D(ImageBase, U ("__ImageBase"), NT_EXE_IMAGE_BASE), | |
252b5132 RH |
345 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT), |
346 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT), | |
347 | D(MajorOperatingSystemVersion,"__major_os_version__", 4), | |
348 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0), | |
349 | D(MajorImageVersion,"__major_image_version__", 1), | |
350 | D(MinorImageVersion,"__minor_image_version__", 0), | |
7148cc28 | 351 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
53baae48 | 352 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3), |
344a211f | 353 | #else |
252b5132 | 354 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4), |
344a211f | 355 | #endif |
252b5132 | 356 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), |
2be9b2c7 | 357 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}), |
3763134d | 358 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000), |
252b5132 RH |
359 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), |
360 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), | |
361 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), | |
362 | D(LoaderFlags,"__loader_flags__", 0x0), | |
2f563b51 | 363 | D(DllCharacteristics, "__dll_characteristics__", 0x0), |
252b5132 RH |
364 | { NULL, 0, 0, NULL, 0 } |
365 | }; | |
366 | ||
4cd89863 | 367 | |
252b5132 | 368 | static void |
0c7a8e5a | 369 | gld_${EMULATION_NAME}_list_options (FILE *file) |
252b5132 RH |
370 | { |
371 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); | |
372 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); | |
373 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); | |
374 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); | |
375 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); | |
376 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); | |
377 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); | |
378 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); | |
379 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); | |
380 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); | |
381 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); | |
382 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); | |
383 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); | |
384 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); | |
385 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); | |
6f798e5c | 386 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
c6c37250 | 387 | #ifdef DLL_SUPPORT |
252b5132 RH |
388 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
389 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); | |
390 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); | |
391 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); | |
b34976b6 | 392 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
e1c37eb5 DK |
393 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
394 | fprintf (file, _(" Exclude objects, archive members from auto\n")); | |
395 | fprintf (file, _(" export, place into import library instead.\n")); | |
252b5132 RH |
396 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
397 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); | |
398 | fprintf (file, _(" --out-implib <file> Generate import library\n")); | |
399 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); | |
0752a404 | 400 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n")); |
e3c8793a NC |
401 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
402 | create __imp_<SYMBOL> as well.\n")); | |
403 | fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\ | |
404 | unless user specifies one\n")); | |
5f577f7d | 405 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
489d0400 NC |
406 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
407 | an importlib, use <string><basename>.dll\n\ | |
e3c8793a | 408 | in preference to lib<basename>.dll \n")); |
489d0400 | 409 | fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\ |
e3c8793a | 410 | __imp_sym for DATA references\n")); |
decc3638 | 411 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
2fa9fc65 | 412 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
489d0400 NC |
413 | adding pseudo-relocations resolved at\n\ |
414 | runtime.\n")); | |
2fa9fc65 NC |
415 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
416 | auto-imported DATA.\n")); | |
e3c8793a NC |
417 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
418 | or linking to DLLs (esp. auto-import)\n")); | |
252b5132 | 419 | #endif |
26d2d8a2 BF |
420 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
421 | greater than 2 gigabytes\n")); | |
88183869 DK |
422 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
423 | executable image files\n")); | |
424 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ | |
425 | in object files\n")); | |
2f563b51 DK |
426 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
427 | address space layout randomization (ASLR)\n")); | |
428 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); | |
429 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); | |
430 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); | |
431 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ | |
432 | be called in this image\n")); | |
433 | fprintf (file, _(" --no-bind Do not bind this image\n")); | |
434 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); | |
435 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); | |
252b5132 RH |
436 | } |
437 | ||
4cd89863 | 438 | |
252b5132 | 439 | static void |
0c7a8e5a | 440 | set_pe_name (char *name, long val) |
252b5132 RH |
441 | { |
442 | int i; | |
4cd89863 NC |
443 | |
444 | /* Find the name and set it. */ | |
252b5132 RH |
445 | for (i = 0; init[i].ptr; i++) |
446 | { | |
447 | if (strcmp (name, init[i].symbol) == 0) | |
448 | { | |
449 | init[i].value = val; | |
450 | init[i].inited = 1; | |
dffc6a64 KT |
451 | if (strcmp (name,"__image_base__") == 0) |
452 | set_pe_name (U ("__ImageBase"), val); | |
252b5132 RH |
453 | return; |
454 | } | |
455 | } | |
939ba9d0 | 456 | abort (); |
252b5132 RH |
457 | } |
458 | ||
459 | ||
460 | static void | |
0c7a8e5a | 461 | set_pe_subsystem (void) |
252b5132 RH |
462 | { |
463 | const char *sver; | |
33f362e1 NC |
464 | const char *entry; |
465 | const char *initial_symbol_char; | |
466 | char *end; | |
252b5132 RH |
467 | int len; |
468 | int i; | |
33f362e1 NC |
469 | int subsystem; |
470 | unsigned long temp_subsystem; | |
3fc90ddb | 471 | static const struct |
252b5132 RH |
472 | { |
473 | const char *name; | |
474 | const int value; | |
475 | const char *entry; | |
476 | } | |
477 | v[] = | |
478 | { | |
33f362e1 | 479 | { "native", 1, "NtProcessStartup" }, |
2be9b2c7 ILT |
480 | { "windows", 2, "WinMainCRTStartup" }, |
481 | { "console", 3, "mainCRTStartup" }, | |
33f362e1 | 482 | { "posix", 7, "__PosixProcessStartup"}, |
00479ba8 | 483 | { "wince", 9, "WinMainCRTStartup" }, |
33f362e1 NC |
484 | { "xbox", 14, "mainCRTStartup" }, |
485 | { NULL, 0, NULL } | |
252b5132 | 486 | }; |
33f362e1 NC |
487 | /* Entry point name for arbitrary subsystem numbers. */ |
488 | static const char default_entry[] = "mainCRTStartup"; | |
252b5132 | 489 | |
33f362e1 | 490 | /* Check for the presence of a version number. */ |
252b5132 RH |
491 | sver = strchr (optarg, ':'); |
492 | if (sver == NULL) | |
493 | len = strlen (optarg); | |
494 | else | |
495 | { | |
252b5132 RH |
496 | len = sver - optarg; |
497 | set_pe_name ("__major_subsystem_version__", | |
498 | strtoul (sver + 1, &end, 0)); | |
499 | if (*end == '.') | |
500 | set_pe_name ("__minor_subsystem_version__", | |
501 | strtoul (end + 1, &end, 0)); | |
502 | if (*end != '\0') | |
503 | einfo (_("%P: warning: bad version number in -subsystem option\n")); | |
504 | } | |
505 | ||
33f362e1 NC |
506 | /* Check for numeric subsystem. */ |
507 | temp_subsystem = strtoul (optarg, & end, 0); | |
508 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) | |
252b5132 | 509 | { |
33f362e1 NC |
510 | /* Search list for a numeric match to use its entry point. */ |
511 | for (i = 0; v[i].name; i++) | |
512 | if (v[i].value == (int) temp_subsystem) | |
513 | break; | |
514 | ||
515 | /* If no match, use the default. */ | |
516 | if (v[i].name != NULL) | |
517 | entry = v[i].entry; | |
518 | else | |
519 | entry = default_entry; | |
520 | ||
521 | /* Use this subsystem. */ | |
522 | subsystem = (int) temp_subsystem; | |
523 | } | |
524 | else | |
525 | { | |
526 | /* Search for subsystem by name. */ | |
527 | for (i = 0; v[i].name; i++) | |
528 | if (strncmp (optarg, v[i].name, len) == 0 | |
529 | && v[i].name[len] == '\0') | |
530 | break; | |
252b5132 | 531 | |
33f362e1 NC |
532 | if (v[i].name == NULL) |
533 | { | |
534 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); | |
252b5132 RH |
535 | return; |
536 | } | |
33f362e1 NC |
537 | |
538 | entry = v[i].entry; | |
539 | subsystem = v[i].value; | |
252b5132 | 540 | } |
3fc90ddb | 541 | |
33f362e1 NC |
542 | set_pe_name ("__subsystem__", subsystem); |
543 | ||
544 | initial_symbol_char = ${INITIAL_SYMBOL_CHAR}; | |
545 | if (*initial_symbol_char != '\0') | |
546 | { | |
547 | char *alc_entry; | |
548 | ||
a359509e | 549 | /* lang_default_entry expects its argument to be permanently |
33f362e1 NC |
550 | allocated, so we don't free this string. */ |
551 | alc_entry = xmalloc (strlen (initial_symbol_char) | |
552 | + strlen (entry) | |
553 | + 1); | |
554 | strcpy (alc_entry, initial_symbol_char); | |
555 | strcat (alc_entry, entry); | |
556 | entry = alc_entry; | |
557 | } | |
558 | ||
a359509e | 559 | lang_default_entry (entry); |
33f362e1 NC |
560 | |
561 | return; | |
252b5132 RH |
562 | } |
563 | ||
564 | ||
252b5132 | 565 | static void |
0c7a8e5a | 566 | set_pe_value (char *name) |
252b5132 RH |
567 | { |
568 | char *end; | |
3fc90ddb | 569 | |
252b5132 | 570 | set_pe_name (name, strtoul (optarg, &end, 0)); |
3fc90ddb | 571 | |
252b5132 RH |
572 | if (end == optarg) |
573 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); | |
574 | ||
575 | optarg = end; | |
576 | } | |
577 | ||
4cd89863 | 578 | |
252b5132 | 579 | static void |
0c7a8e5a | 580 | set_pe_stack_heap (char *resname, char *comname) |
252b5132 RH |
581 | { |
582 | set_pe_value (resname); | |
3fc90ddb | 583 | |
252b5132 RH |
584 | if (*optarg == ',') |
585 | { | |
586 | optarg++; | |
587 | set_pe_value (comname); | |
588 | } | |
589 | else if (*optarg) | |
590 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); | |
591 | } | |
592 | ||
593 | ||
3bcf5557 | 594 | static bfd_boolean |
0c7a8e5a | 595 | gld${EMULATION_NAME}_handle_option (int optc) |
252b5132 | 596 | { |
252b5132 RH |
597 | switch (optc) |
598 | { | |
599 | default: | |
3bcf5557 | 600 | return FALSE; |
252b5132 RH |
601 | |
602 | case OPTION_BASE_FILE: | |
0c7a8e5a | 603 | link_info.base_file = fopen (optarg, FOPEN_WB); |
252b5132 RH |
604 | if (link_info.base_file == NULL) |
605 | { | |
606 | /* xgettext:c-format */ | |
607 | fprintf (stderr, _("%s: Can't open base file %s\n"), | |
608 | program_name, optarg); | |
609 | xexit (1); | |
610 | } | |
611 | break; | |
612 | ||
4cd89863 | 613 | /* PE options. */ |
3fc90ddb | 614 | case OPTION_HEAP: |
252b5132 RH |
615 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
616 | break; | |
3fc90ddb | 617 | case OPTION_STACK: |
252b5132 RH |
618 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
619 | break; | |
620 | case OPTION_SUBSYSTEM: | |
621 | set_pe_subsystem (); | |
622 | break; | |
623 | case OPTION_MAJOR_OS_VERSION: | |
624 | set_pe_value ("__major_os_version__"); | |
625 | break; | |
626 | case OPTION_MINOR_OS_VERSION: | |
627 | set_pe_value ("__minor_os_version__"); | |
628 | break; | |
629 | case OPTION_MAJOR_SUBSYSTEM_VERSION: | |
630 | set_pe_value ("__major_subsystem_version__"); | |
631 | break; | |
632 | case OPTION_MINOR_SUBSYSTEM_VERSION: | |
633 | set_pe_value ("__minor_subsystem_version__"); | |
634 | break; | |
635 | case OPTION_MAJOR_IMAGE_VERSION: | |
636 | set_pe_value ("__major_image_version__"); | |
637 | break; | |
638 | case OPTION_MINOR_IMAGE_VERSION: | |
639 | set_pe_value ("__minor_image_version__"); | |
640 | break; | |
641 | case OPTION_FILE_ALIGNMENT: | |
642 | set_pe_value ("__file_alignment__"); | |
643 | break; | |
644 | case OPTION_SECTION_ALIGNMENT: | |
645 | set_pe_value ("__section_alignment__"); | |
646 | break; | |
647 | case OPTION_DLL: | |
648 | set_pe_name ("__dll__", 1); | |
649 | break; | |
650 | case OPTION_IMAGE_BASE: | |
651 | set_pe_value ("__image_base__"); | |
652 | break; | |
653 | case OPTION_SUPPORT_OLD_CODE: | |
654 | support_old_code = 1; | |
655 | break; | |
6f798e5c NC |
656 | case OPTION_THUMB_ENTRY: |
657 | thumb_entry_symbol = optarg; | |
658 | break; | |
ce11ba6c KT |
659 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
660 | pe_use_nul_prefixed_import_tables = TRUE; | |
661 | break; | |
c6c37250 | 662 | #ifdef DLL_SUPPORT |
252b5132 RH |
663 | case OPTION_OUT_DEF: |
664 | pe_out_def_filename = xstrdup (optarg); | |
665 | break; | |
666 | case OPTION_EXPORT_ALL: | |
667 | pe_dll_export_everything = 1; | |
668 | break; | |
669 | case OPTION_EXCLUDE_SYMBOLS: | |
e1c37eb5 | 670 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
70b0be79 CF |
671 | break; |
672 | case OPTION_EXCLUDE_LIBS: | |
e1c37eb5 DK |
673 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
674 | break; | |
675 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: | |
676 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); | |
252b5132 RH |
677 | break; |
678 | case OPTION_KILL_ATS: | |
679 | pe_dll_kill_ats = 1; | |
680 | break; | |
681 | case OPTION_STDCALL_ALIASES: | |
682 | pe_dll_stdcall_aliases = 1; | |
683 | break; | |
684 | case OPTION_ENABLE_STDCALL_FIXUP: | |
685 | pe_enable_stdcall_fixup = 1; | |
686 | break; | |
687 | case OPTION_DISABLE_STDCALL_FIXUP: | |
688 | pe_enable_stdcall_fixup = 0; | |
689 | break; | |
690 | case OPTION_IMPLIB_FILENAME: | |
691 | pe_implib_filename = xstrdup (optarg); | |
692 | break; | |
870df5dc NC |
693 | case OPTION_WARN_DUPLICATE_EXPORTS: |
694 | pe_dll_warn_dup_exports = 1; | |
695 | break; | |
696 | case OPTION_IMP_COMPAT: | |
697 | pe_dll_compat_implib = 1; | |
698 | break; | |
5f577f7d DD |
699 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
700 | pe_enable_auto_image_base = 1; | |
701 | break; | |
702 | case OPTION_DISABLE_AUTO_IMAGE_BASE: | |
703 | pe_enable_auto_image_base = 0; | |
704 | break; | |
627427de | 705 | case OPTION_DLL_SEARCH_PREFIX: |
939ba9d0 | 706 | pe_dll_search_prefix = xstrdup (optarg); |
627427de | 707 | break; |
1122a5fc NC |
708 | case OPTION_NO_DEFAULT_EXCLUDES: |
709 | pe_dll_do_default_excludes = 0; | |
710 | break; | |
decc3638 | 711 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
e0076ab3 | 712 | link_info.pei386_auto_import = 1; |
decc3638 CW |
713 | break; |
714 | case OPTION_DLL_DISABLE_AUTO_IMPORT: | |
e0076ab3 | 715 | link_info.pei386_auto_import = 0; |
decc3638 | 716 | break; |
2fa9fc65 NC |
717 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
718 | link_info.pei386_runtime_pseudo_reloc = 1; | |
719 | break; | |
6cb442d3 KT |
720 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
721 | link_info.pei386_runtime_pseudo_reloc = 1; | |
722 | break; | |
723 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: | |
724 | link_info.pei386_runtime_pseudo_reloc = 2; | |
725 | break; | |
2fa9fc65 NC |
726 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
727 | link_info.pei386_runtime_pseudo_reloc = 0; | |
728 | break; | |
decc3638 CW |
729 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
730 | pe_dll_extra_pe_debug = 1; | |
731 | break; | |
c6c37250 | 732 | #endif |
26d2d8a2 BF |
733 | case OPTION_LARGE_ADDRESS_AWARE: |
734 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
735 | break; | |
88183869 DK |
736 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
737 | pe_use_coff_long_section_names = 1; | |
738 | break; | |
739 | case OPTION_DISABLE_LONG_SECTION_NAMES: | |
740 | pe_use_coff_long_section_names = 0; | |
741 | break; | |
2f563b51 DK |
742 | /* Get DLLCharacteristics bits */ |
743 | case OPTION_DYNAMIC_BASE: | |
744 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; | |
745 | break; | |
746 | case OPTION_FORCE_INTEGRITY: | |
747 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; | |
748 | break; | |
749 | case OPTION_NX_COMPAT: | |
750 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; | |
751 | break; | |
752 | case OPTION_NO_ISOLATION: | |
753 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; | |
754 | break; | |
755 | case OPTION_NO_SEH: | |
756 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; | |
757 | break; | |
758 | case OPTION_NO_BIND: | |
759 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; | |
760 | break; | |
761 | case OPTION_WDM_DRIVER: | |
762 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; | |
763 | break; | |
764 | case OPTION_TERMINAL_SERVER_AWARE: | |
765 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; | |
766 | break; | |
252b5132 | 767 | } |
2f563b51 DK |
768 | |
769 | /* Set DLLCharacteristics bits */ | |
770 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); | |
771 | ||
3bcf5557 | 772 | return TRUE; |
252b5132 RH |
773 | } |
774 | \f | |
5f577f7d | 775 | |
2ef53d66 | 776 | #ifdef DLL_SUPPORT |
3fc90ddb | 777 | static unsigned long |
5f577f7d DD |
778 | strhash (const char *str) |
779 | { | |
780 | const unsigned char *s; | |
781 | unsigned long hash; | |
782 | unsigned int c; | |
783 | unsigned int len; | |
784 | ||
785 | hash = 0; | |
786 | len = 0; | |
787 | s = (const unsigned char *) str; | |
788 | while ((c = *s++) != '\0') | |
789 | { | |
790 | hash += c + (c << 17); | |
791 | hash ^= hash >> 2; | |
792 | ++len; | |
793 | } | |
794 | hash += len + (len << 17); | |
795 | hash ^= hash >> 2; | |
796 | ||
797 | return hash; | |
798 | } | |
799 | ||
4cd89863 NC |
800 | /* Use the output file to create a image base for relocatable DLLs. */ |
801 | ||
5f577f7d DD |
802 | static unsigned long |
803 | compute_dll_image_base (const char *ofile) | |
804 | { | |
805 | unsigned long hash = strhash (ofile); | |
2c7fd14a | 806 | return 0x61300000 + ((hash << 16) & 0x0FFC0000); |
5f577f7d | 807 | } |
2ef53d66 | 808 | #endif |
5f577f7d | 809 | |
252b5132 RH |
810 | /* Assign values to the special symbols before the linker script is |
811 | read. */ | |
812 | ||
813 | static void | |
0c7a8e5a | 814 | gld_${EMULATION_NAME}_set_symbols (void) |
252b5132 RH |
815 | { |
816 | /* Run through and invent symbols for all the | |
4cd89863 | 817 | names and insert the defaults. */ |
252b5132 | 818 | int j; |
252b5132 RH |
819 | |
820 | if (!init[IMAGEBASEOFF].inited) | |
821 | { | |
1049f94e | 822 | if (link_info.relocatable) |
252b5132 | 823 | init[IMAGEBASEOFF].value = 0; |
db8acf26 | 824 | else if (init[DLLOFF].value || (link_info.shared && !link_info.pie)) |
d127ecce | 825 | { |
2ef53d66 | 826 | #ifdef DLL_SUPPORT |
d127ecce AM |
827 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
828 | ? compute_dll_image_base (output_filename) | |
829 | : NT_DLL_IMAGE_BASE); | |
2ef53d66 | 830 | #else |
d127ecce | 831 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
2ef53d66 | 832 | #endif |
d127ecce | 833 | } |
252b5132 RH |
834 | else |
835 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; | |
dffc6a64 | 836 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
252b5132 RH |
837 | } |
838 | ||
1049f94e AM |
839 | /* Don't do any symbol assignments if this is a relocatable link. */ |
840 | if (link_info.relocatable) | |
252b5132 RH |
841 | return; |
842 | ||
4cd89863 | 843 | /* Glue the assignments into the abs section. */ |
bde18da4 | 844 | push_stat_ptr (&abs_output_section->children); |
252b5132 RH |
845 | |
846 | for (j = 0; init[j].ptr; j++) | |
847 | { | |
848 | long val = init[j].value; | |
849 | lang_assignment_statement_type *rv; | |
2c382fb6 AM |
850 | rv = lang_add_assignment (exp_assop ('=', init[j].symbol, |
851 | exp_intop (val))); | |
939ba9d0 NC |
852 | if (init[j].size == sizeof (short)) |
853 | *(short *) init[j].ptr = val; | |
854 | else if (init[j].size == sizeof (int)) | |
855 | *(int *) init[j].ptr = val; | |
856 | else if (init[j].size == sizeof (long)) | |
857 | *(long *) init[j].ptr = val; | |
252b5132 | 858 | /* This might be a long long or other special type. */ |
939ba9d0 NC |
859 | else if (init[j].size == sizeof (bfd_vma)) |
860 | *(bfd_vma *) init[j].ptr = val; | |
861 | else abort (); | |
252b5132 RH |
862 | if (j == IMAGEBASEOFF) |
863 | image_base_statement = rv; | |
864 | } | |
4cd89863 | 865 | /* Restore the pointer. */ |
bde18da4 | 866 | pop_stat_ptr (); |
3fc90ddb | 867 | |
d127ecce | 868 | if (pe.FileAlignment > pe.SectionAlignment) |
252b5132 RH |
869 | { |
870 | einfo (_("%P: warning, file alignment > section alignment.\n")); | |
871 | } | |
872 | } | |
873 | ||
874 | /* This is called after the linker script and the command line options | |
875 | have been read. */ | |
876 | ||
877 | static void | |
0c7a8e5a | 878 | gld_${EMULATION_NAME}_after_parse (void) |
252b5132 | 879 | { |
8b747e1a DK |
880 | /* PR ld/6744: Warn the user if they have used an ELF-only |
881 | option hoping it will work on PE. */ | |
882 | if (link_info.export_dynamic) | |
883 | einfo (_("%P: warning: --export-dynamic is not supported for PE " | |
884 | "targets, did you mean --export-all-symbols?\n")); | |
97b11f40 AM |
885 | |
886 | after_parse_default (); | |
252b5132 RH |
887 | } |
888 | ||
aa3d9aba NC |
889 | /* pe-dll.c directly accesses pe_data_import_dll, |
890 | so it must be defined outside of #ifdef DLL_SUPPORT. | |
891 | Note - this variable is deliberately not initialised. | |
892 | This allows it to be treated as a common varaible, and only | |
893 | exist in one incarnation in a multiple target enabled linker. */ | |
894 | char * pe_data_import_dll; | |
72358f65 | 895 | |
2ef53d66 | 896 | #ifdef DLL_SUPPORT |
252b5132 RH |
897 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
898 | ||
b34976b6 | 899 | static bfd_boolean |
0c7a8e5a | 900 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
252b5132 | 901 | { |
decc3638 | 902 | int sl; |
0c7a8e5a | 903 | char *string = inf; |
4cd89863 | 904 | |
0c7a8e5a | 905 | sl = strlen (string); |
252b5132 RH |
906 | if (h->type == bfd_link_hash_defined |
907 | && strncmp (h->root.string, string, sl) == 0 | |
908 | && h->root.string[sl] == '@') | |
decc3638 CW |
909 | { |
910 | pe_undef_found_sym = h; | |
b34976b6 | 911 | return FALSE; |
decc3638 | 912 | } |
b34976b6 | 913 | return TRUE; |
252b5132 RH |
914 | } |
915 | ||
916 | static void | |
0c7a8e5a | 917 | pe_fixup_stdcalls (void) |
252b5132 RH |
918 | { |
919 | static int gave_warning_message = 0; | |
920 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 921 | |
3fc90ddb | 922 | if (pe_dll_extra_pe_debug) |
c9e38879 | 923 | printf ("%s\n", __FUNCTION__); |
3fc90ddb | 924 | |
f6e332e6 | 925 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
252b5132 | 926 | if (undef->type == bfd_link_hash_undefined) |
252b5132 | 927 | { |
c9e38879 NC |
928 | char* at = strchr (undef->root.string, '@'); |
929 | int lead_at = (*undef->root.string == '@'); | |
930 | /* For now, don't try to fixup fastcall symbols. */ | |
b34976b6 | 931 | |
c9e38879 NC |
932 | if (at && !lead_at) |
933 | { | |
934 | /* The symbol is a stdcall symbol, so let's look for a | |
935 | cdecl symbol with the same name and resolve to that. */ | |
936 | char *cname = xstrdup (undef->root.string /* + lead_at */); | |
937 | at = strchr (cname, '@'); | |
938 | *at = 0; | |
939 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); | |
940 | ||
941 | if (sym && sym->type == bfd_link_hash_defined) | |
942 | { | |
943 | undef->type = bfd_link_hash_defined; | |
944 | undef->u.def.value = sym->u.def.value; | |
945 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 946 | |
c9e38879 NC |
947 | if (pe_enable_stdcall_fixup == -1) |
948 | { | |
949 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
950 | undef->root.string, cname); | |
951 | if (! gave_warning_message) | |
952 | { | |
953 | gave_warning_message = 1; | |
939ba9d0 NC |
954 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
955 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
956 | } |
957 | } | |
958 | } | |
959 | } | |
960 | else | |
961 | { | |
962 | /* The symbol is a cdecl symbol, so we look for stdcall | |
4cd89863 | 963 | symbols - which means scanning the whole symbol table. */ |
c9e38879 NC |
964 | pe_undef_found_sym = 0; |
965 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, | |
0c7a8e5a | 966 | (char *) undef->root.string); |
c9e38879 NC |
967 | sym = pe_undef_found_sym; |
968 | if (sym) | |
969 | { | |
970 | undef->type = bfd_link_hash_defined; | |
971 | undef->u.def.value = sym->u.def.value; | |
972 | undef->u.def.section = sym->u.def.section; | |
4cd89863 | 973 | |
c9e38879 NC |
974 | if (pe_enable_stdcall_fixup == -1) |
975 | { | |
976 | einfo (_("Warning: resolving %s by linking to %s\n"), | |
977 | undef->root.string, sym->root.string); | |
978 | if (! gave_warning_message) | |
979 | { | |
980 | gave_warning_message = 1; | |
939ba9d0 NC |
981 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
982 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); | |
c9e38879 NC |
983 | } |
984 | } | |
985 | } | |
986 | } | |
252b5132 | 987 | } |
252b5132 | 988 | } |
decc3638 CW |
989 | |
990 | static int | |
0c7a8e5a | 991 | make_import_fixup (arelent *rel, asection *s) |
decc3638 | 992 | { |
fc0a2244 | 993 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
c99b8138 | 994 | char addend[4]; |
decc3638 | 995 | |
3fc90ddb | 996 | if (pe_dll_extra_pe_debug) |
c9e38879 | 997 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
0af1713e | 998 | (unsigned long) rel->address, (long) rel->addend); |
0d888aac | 999 | |
c99b8138 | 1000 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
c9e38879 NC |
1001 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
1002 | s->owner, s, rel->address); | |
0d888aac | 1003 | |
c99b8138 | 1004 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend)); |
0d888aac | 1005 | |
decc3638 CW |
1006 | return 1; |
1007 | } | |
1008 | ||
decc3638 | 1009 | static void |
0c7a8e5a | 1010 | pe_find_data_imports (void) |
decc3638 CW |
1011 | { |
1012 | struct bfd_link_hash_entry *undef, *sym; | |
c9e38879 | 1013 | |
4cd89863 NC |
1014 | if (link_info.pei386_auto_import == 0) |
1015 | return; | |
1016 | ||
f6e332e6 | 1017 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
decc3638 CW |
1018 | { |
1019 | if (undef->type == bfd_link_hash_undefined) | |
1af699f4 AM |
1020 | { |
1021 | /* C++ symbols are *long*. */ | |
1022 | char buf[4096]; | |
c9e38879 NC |
1023 | |
1024 | if (pe_dll_extra_pe_debug) | |
1025 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); | |
1026 | ||
1af699f4 | 1027 | sprintf (buf, "__imp_%s", undef->root.string); |
decc3638 | 1028 | |
1af699f4 | 1029 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); |
c9e38879 | 1030 | |
1af699f4 AM |
1031 | if (sym && sym->type == bfd_link_hash_defined) |
1032 | { | |
4cd89863 NC |
1033 | bfd *b = sym->u.def.section->owner; |
1034 | asymbol **symbols; | |
5c1d2f5f | 1035 | int nsyms, i; |
4cd89863 NC |
1036 | |
1037 | if (link_info.pei386_auto_import == -1) | |
8524166d NC |
1038 | { |
1039 | static bfd_boolean warned = FALSE; | |
1040 | ||
1041 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), | |
1042 | undef->root.string, buf); | |
1043 | ||
1044 | /* PR linker/4844. */ | |
1045 | if (! warned) | |
1046 | { | |
1047 | warned = TRUE; | |
1048 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ | |
44e36d8a | 1049 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
8524166d NC |
1050 | } |
1051 | } | |
4cd89863 | 1052 | |
5c1d2f5f AM |
1053 | if (!bfd_generic_link_read_symbols (b)) |
1054 | { | |
1055 | einfo (_("%B%F: could not read symbols: %E\n"), b); | |
1056 | return; | |
1057 | } | |
1058 | ||
1059 | symbols = bfd_get_outsymbols (b); | |
1060 | nsyms = bfd_get_symcount (b); | |
4cd89863 NC |
1061 | |
1062 | for (i = 0; i < nsyms; i++) | |
1063 | { | |
00479ba8 | 1064 | if (! CONST_STRNEQ (symbols[i]->name, U ("_head_"))) |
4cd89863 NC |
1065 | continue; |
1066 | ||
1067 | if (pe_dll_extra_pe_debug) | |
1068 | printf ("->%s\n", symbols[i]->name); | |
1069 | ||
1070 | pe_data_import_dll = (char*) (symbols[i]->name + | |
00479ba8 | 1071 | sizeof (U ("_head_")) - 1); |
4cd89863 NC |
1072 | break; |
1073 | } | |
1074 | ||
1075 | pe_walk_relocs_of_symbol (&link_info, undef->root.string, | |
1076 | make_import_fixup); | |
1077 | ||
1078 | /* Let's differentiate it somehow from defined. */ | |
1079 | undef->type = bfd_link_hash_defweak; | |
1080 | /* We replace original name with __imp_ prefixed, this | |
1081 | 1) may trash memory 2) leads to duplicate symbol generation. | |
1082 | Still, IMHO it's better than having name poluted. */ | |
1083 | undef->root.string = sym->root.string; | |
1084 | undef->u.def.value = sym->u.def.value; | |
1085 | undef->u.def.section = sym->u.def.section; | |
1af699f4 AM |
1086 | } |
1087 | } | |
decc3638 CW |
1088 | } |
1089 | } | |
252b5132 | 1090 | |
b34976b6 | 1091 | static bfd_boolean |
0c7a8e5a | 1092 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
decc3638 | 1093 | { |
3fc90ddb | 1094 | if (pe_dll_extra_pe_debug) |
0c7a8e5a | 1095 | printf ("+%s\n", h->string); |
c9e38879 | 1096 | |
b34976b6 | 1097 | return TRUE; |
decc3638 | 1098 | } |
4b83d615 | 1099 | #endif /* DLL_SUPPORT */ |
decc3638 | 1100 | |
3efd345c DK |
1101 | static void |
1102 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) | |
1103 | { | |
1104 | int *found = (int *) obj; | |
1105 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) | |
1106 | *found = 1; | |
1107 | } | |
decc3638 | 1108 | |
252b5132 | 1109 | static void |
0c7a8e5a | 1110 | gld_${EMULATION_NAME}_after_open (void) |
252b5132 | 1111 | { |
4b83d615 | 1112 | #ifdef DLL_SUPPORT |
3fc90ddb | 1113 | if (pe_dll_extra_pe_debug) |
decc3638 CW |
1114 | { |
1115 | bfd *a; | |
1116 | struct bfd_link_hash_entry *sym; | |
c9e38879 | 1117 | |
decc3638 CW |
1118 | printf ("%s()\n", __FUNCTION__); |
1119 | ||
f6e332e6 | 1120 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
1af699f4 | 1121 | printf ("-%s\n", sym->root.string); |
0c7a8e5a | 1122 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
decc3638 CW |
1123 | |
1124 | for (a = link_info.input_bfds; a; a = a->link_next) | |
c9e38879 | 1125 | printf ("*%s\n",a->filename); |
decc3638 | 1126 | } |
4b83d615 | 1127 | #endif |
3fc90ddb | 1128 | |
252b5132 RH |
1129 | /* Pass the wacky PE command line options into the output bfd. |
1130 | FIXME: This should be done via a function, rather than by | |
1131 | including an internal BFD header. */ | |
3fc90ddb | 1132 | |
f13a99db AM |
1133 | if (coff_data (link_info.output_bfd) == NULL |
1134 | || coff_data (link_info.output_bfd)->pe == 0) | |
1135 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), | |
1136 | link_info.output_bfd); | |
252b5132 | 1137 | |
f13a99db AM |
1138 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
1139 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; | |
1140 | pe_data (link_info.output_bfd)->real_flags |= real_flags; | |
3efd345c DK |
1141 | |
1142 | /* At this point we must decide whether to use long section names | |
1143 | in the output or not. If the user hasn't explicitly specified | |
1144 | on the command line, we leave it to the default for the format | |
1145 | (object files yes, image files no), except if there is debug | |
1146 | information present; GDB relies on the long section names to | |
1147 | find it, so enable it in that case. */ | |
1148 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) | |
1149 | { | |
1150 | /* Iterate over all sections of all input BFDs, checking | |
1151 | for any that begin 'debug_' and are long names. */ | |
1152 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1153 | { | |
1154 | int found_debug = 0; | |
1155 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); | |
1156 | if (found_debug) | |
1157 | { | |
1158 | pe_use_coff_long_section_names = 1; | |
1159 | break; | |
1160 | } | |
1161 | } | |
1162 | } | |
1163 | ||
88183869 | 1164 | pe_output_file_set_long_section_names (link_info.output_bfd); |
252b5132 | 1165 | |
c6c37250 | 1166 | #ifdef DLL_SUPPORT |
252b5132 RH |
1167 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
1168 | pe_fixup_stdcalls (); | |
1169 | ||
f13a99db | 1170 | pe_process_import_defs (link_info.output_bfd, &link_info); |
939ba9d0 | 1171 | |
3fc90ddb | 1172 | pe_find_data_imports (); |
decc3638 | 1173 | |
7148cc28 NC |
1174 | #if defined (TARGET_IS_i386pe) \ |
1175 | || defined (TARGET_IS_armpe) \ | |
1176 | || defined (TARGET_IS_arm_epoc_pe) \ | |
1177 | || defined (TARGET_IS_arm_wince_pe) | |
1049f94e | 1178 | if (!link_info.relocatable) |
f13a99db | 1179 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
7148cc28 NC |
1180 | #else |
1181 | if (link_info.shared) | |
f13a99db | 1182 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
1491f1f0 DK |
1183 | else |
1184 | pe_exe_build_sections (link_info.output_bfd, &link_info); | |
344a211f | 1185 | #endif |
7148cc28 | 1186 | #endif /* DLL_SUPPORT */ |
252b5132 | 1187 | |
7148cc28 | 1188 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
f13a99db | 1189 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
f11523b0 NC |
1190 | { |
1191 | /* The arm backend needs special fields in the output hash structure. | |
1192 | These will only be created if the output format is an arm format, | |
1193 | hence we do not support linking and changing output formats at the | |
1194 | same time. Use a link followed by objcopy to change output formats. */ | |
1195 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); | |
1196 | return; | |
1197 | } | |
252b5132 RH |
1198 | { |
1199 | /* Find a BFD that can hold the interworking stubs. */ | |
1200 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1201 | { | |
7148cc28 | 1202 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
252b5132 RH |
1203 | break; |
1204 | } | |
1205 | } | |
1206 | #endif | |
c6c37250 | 1207 | |
486e80e2 | 1208 | { |
486e80e2 DD |
1209 | /* This next chunk of code tries to detect the case where you have |
1210 | two import libraries for the same DLL (specifically, | |
1211 | symbolically linking libm.a and libc.a in cygwin to | |
1212 | libcygwin.a). In those cases, it's possible for function | |
1213 | thunks from the second implib to be used but without the | |
1214 | head/tail objects, causing an improper import table. We detect | |
1215 | those cases and rename the "other" import libraries to match | |
1216 | the one the head/tail come from, so that the linker will sort | |
4cd89863 | 1217 | things nicely and produce a valid import table. */ |
486e80e2 DD |
1218 | |
1219 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1220 | { | |
1221 | if (is->the_bfd->my_archive) | |
1222 | { | |
1223 | int idata2 = 0, reloc_count=0, is_imp = 0; | |
1224 | asection *sec; | |
3fc90ddb | 1225 | |
6e45556a | 1226 | /* See if this is an import library thunk. */ |
486e80e2 DD |
1227 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1228 | { | |
1229 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1230 | idata2 = 1; | |
0112cd26 | 1231 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
486e80e2 DD |
1232 | is_imp = 1; |
1233 | reloc_count += sec->reloc_count; | |
1234 | } | |
3fc90ddb | 1235 | |
486e80e2 DD |
1236 | if (is_imp && !idata2 && reloc_count) |
1237 | { | |
6e45556a NC |
1238 | /* It is, look for the reference to head and see if it's |
1239 | from our own library. */ | |
486e80e2 DD |
1240 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1241 | { | |
1242 | int i; | |
6e45556a | 1243 | long relsize; |
102c86f8 | 1244 | asymbol **symbols; |
102c86f8 NC |
1245 | arelent **relocs; |
1246 | int nrelocs; | |
3fc90ddb | 1247 | |
102c86f8 | 1248 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
6e45556a NC |
1249 | if (relsize < 1) |
1250 | break; | |
3fc90ddb | 1251 | |
5c1d2f5f | 1252 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
6e45556a | 1253 | { |
5c1d2f5f AM |
1254 | einfo (_("%B%F: could not read symbols: %E\n"), |
1255 | is->the_bfd); | |
6e45556a NC |
1256 | return; |
1257 | } | |
5c1d2f5f | 1258 | symbols = bfd_get_outsymbols (is->the_bfd); |
3fc90ddb | 1259 | |
d127ecce | 1260 | relocs = xmalloc ((size_t) relsize); |
102c86f8 | 1261 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
f6e332e6 | 1262 | relocs, symbols); |
6e45556a NC |
1263 | if (nrelocs < 0) |
1264 | { | |
1265 | free (relocs); | |
44e36d8a | 1266 | einfo ("%X%P: unable to process relocs: %E\n"); |
6e45556a NC |
1267 | return; |
1268 | } | |
3fc90ddb | 1269 | |
6e45556a | 1270 | for (i = 0; i < nrelocs; i++) |
486e80e2 | 1271 | { |
fc0a2244 | 1272 | struct bfd_symbol *s; |
6e45556a | 1273 | struct bfd_link_hash_entry * blhe; |
2a08daf3 | 1274 | char *other_bfd_filename; |
6e45556a | 1275 | char *n; |
3fc90ddb | 1276 | |
486e80e2 | 1277 | s = (relocs[i]->sym_ptr_ptr)[0]; |
3fc90ddb | 1278 | |
6e45556a NC |
1279 | if (s->flags & BSF_LOCAL) |
1280 | continue; | |
3fc90ddb | 1281 | |
6e45556a NC |
1282 | /* Thunk section with reloc to another bfd. */ |
1283 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1284 | s->name, | |
b34976b6 | 1285 | FALSE, FALSE, TRUE); |
3fc90ddb | 1286 | |
6e45556a NC |
1287 | if (blhe == NULL |
1288 | || blhe->type != bfd_link_hash_defined) | |
1289 | continue; | |
3fc90ddb | 1290 | |
2a08daf3 DS |
1291 | other_bfd_filename |
1292 | = blhe->u.def.section->owner->my_archive | |
1293 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) | |
1294 | : bfd_get_filename (blhe->u.def.section->owner); | |
3fc90ddb | 1295 | |
2a08daf3 DS |
1296 | if (strcmp (bfd_get_filename (is->the_bfd->my_archive), |
1297 | other_bfd_filename) == 0) | |
6e45556a | 1298 | continue; |
3fc90ddb | 1299 | |
c034e3e0 | 1300 | /* Rename this implib to match the other one. */ |
2a08daf3 DS |
1301 | n = xmalloc (strlen (other_bfd_filename) + 1); |
1302 | strcpy (n, other_bfd_filename); | |
1303 | is->the_bfd->my_archive->filename = n; | |
486e80e2 DD |
1304 | } |
1305 | ||
1306 | free (relocs); | |
6e45556a NC |
1307 | /* Note - we do not free the symbols, |
1308 | they are now cached in the BFD. */ | |
486e80e2 DD |
1309 | } |
1310 | } | |
1311 | } | |
1312 | } | |
1313 | } | |
1314 | ||
c6c37250 | 1315 | { |
f0c87f88 | 1316 | int is_ms_arch = 0; |
1069dd8d | 1317 | bfd *cur_arch = 0; |
c6c37250 | 1318 | lang_input_statement_type *is2; |
44dbf363 | 1319 | lang_input_statement_type *is3; |
1069dd8d | 1320 | |
c6c37250 DD |
1321 | /* Careful - this is a shell script. Watch those dollar signs! */ |
1322 | /* Microsoft import libraries have every member named the same, | |
1323 | and not in the right order for us to link them correctly. We | |
1324 | must detect these and rename the members so that they'll link | |
1325 | correctly. There are three types of objects: the head, the | |
1326 | thunks, and the sentinel(s). The head is easy; it's the one | |
1327 | with idata2. We assume that the sentinels won't have relocs, | |
1328 | and the thunks will. It's easier than checking the symbol | |
1069dd8d | 1329 | table for external references. */ |
c6c37250 DD |
1330 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
1331 | { | |
1332 | if (is->the_bfd->my_archive) | |
1333 | { | |
44dbf363 | 1334 | char *pnt; |
c6c37250 | 1335 | bfd *arch = is->the_bfd->my_archive; |
44dbf363 | 1336 | |
c6c37250 DD |
1337 | if (cur_arch != arch) |
1338 | { | |
1339 | cur_arch = arch; | |
1340 | is_ms_arch = 1; | |
44dbf363 NC |
1341 | |
1342 | for (is3 = is; | |
1343 | is3 && is3->the_bfd->my_archive == arch; | |
1344 | is3 = (lang_input_statement_type *) is3->next) | |
1345 | { | |
1af699f4 | 1346 | /* A MS dynamic import library can also contain static |
44dbf363 NC |
1347 | members, so look for the first element with a .dll |
1348 | extension, and use that for the remainder of the | |
1349 | comparisons. */ | |
1350 | pnt = strrchr (is3->the_bfd->filename, '.'); | |
07a68a80 | 1351 | if (pnt != NULL && strcmp (pnt, ".dll") == 0) |
ff71f4f7 | 1352 | break; |
44dbf363 NC |
1353 | } |
1354 | ||
1355 | if (is3 == NULL) | |
1356 | is_ms_arch = 0; | |
1357 | else | |
c6c37250 | 1358 | { |
44dbf363 NC |
1359 | /* OK, found one. Now look to see if the remaining |
1360 | (dynamic import) members use the same name. */ | |
1361 | for (is2 = is; | |
1362 | is2 && is2->the_bfd->my_archive == arch; | |
1363 | is2 = (lang_input_statement_type *) is2->next) | |
1364 | { | |
1365 | /* Skip static members, ie anything with a .obj | |
1366 | extension. */ | |
1367 | pnt = strrchr (is2->the_bfd->filename, '.'); | |
1368 | if (pnt != NULL && strcmp (pnt, ".obj") == 0) | |
1369 | continue; | |
1370 | ||
1371 | if (strcmp (is3->the_bfd->filename, | |
1372 | is2->the_bfd->filename)) | |
1373 | { | |
1374 | is_ms_arch = 0; | |
1375 | break; | |
1376 | } | |
1377 | } | |
c6c37250 DD |
1378 | } |
1379 | } | |
1380 | ||
44dbf363 NC |
1381 | /* This fragment might have come from an .obj file in a Microsoft |
1382 | import, and not an actual import record. If this is the case, | |
1383 | then leave the filename alone. */ | |
1384 | pnt = strrchr (is->the_bfd->filename, '.'); | |
1385 | ||
1386 | if (is_ms_arch && (strcmp (pnt, ".dll") == 0)) | |
c6c37250 | 1387 | { |
1069dd8d | 1388 | int idata2 = 0, reloc_count=0; |
c6c37250 DD |
1389 | asection *sec; |
1390 | char *new_name, seq; | |
1069dd8d | 1391 | |
c6c37250 DD |
1392 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
1393 | { | |
1394 | if (strcmp (sec->name, ".idata\$2") == 0) | |
1395 | idata2 = 1; | |
1396 | reloc_count += sec->reloc_count; | |
1397 | } | |
1398 | ||
1399 | if (idata2) /* .idata2 is the TOC */ | |
1400 | seq = 'a'; | |
1401 | else if (reloc_count > 0) /* thunks */ | |
1402 | seq = 'b'; | |
1403 | else /* sentinel */ | |
1404 | seq = 'c'; | |
1405 | ||
e4e24acb | 1406 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
c6c37250 DD |
1407 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
1408 | is->the_bfd->filename = new_name; | |
1409 | ||
690a460e | 1410 | new_name = xmalloc (strlen (is->filename) + 3); |
c6c37250 DD |
1411 | sprintf (new_name, "%s.%c", is->filename, seq); |
1412 | is->filename = new_name; | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | } | |
54727719 NC |
1417 | |
1418 | { | |
1419 | /* The following chunk of code tries to identify jump stubs in | |
1420 | import libraries which are dead code and eliminates them | |
1421 | from the final link. For each exported symbol <sym>, there | |
1422 | is a object file in the import library with a .text section | |
d34c1c51 | 1423 | and several .idata\$* sections. The .text section contains the |
54727719 | 1424 | symbol definition for <sym> which is a jump stub of the form |
d34c1c51 | 1425 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
54727719 NC |
1426 | for __imp_<sym> which is the address of the slot for <sym> in |
1427 | the import address table. When a symbol is imported explicitly | |
1428 | using __declspec(dllimport) declaration, the compiler generates | |
1429 | a reference to __imp_<sym> which directly resolves to the | |
d34c1c51 | 1430 | symbol in .idata\$5, in which case the jump stub code is not |
54727719 NC |
1431 | needed. The following code tries to identify jump stub sections |
1432 | in import libraries which are not referred to by anyone and | |
1433 | marks them for exclusion from the final link. */ | |
1434 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1435 | { | |
1436 | if (is->the_bfd->my_archive) | |
1437 | { | |
1438 | int is_imp = 0; | |
1439 | asection *sec, *stub_sec = NULL; | |
1440 | ||
1441 | /* See if this is an import library thunk. */ | |
1442 | for (sec = is->the_bfd->sections; sec; sec = sec->next) | |
1443 | { | |
1444 | if (strncmp (sec->name, ".idata\$", 7) == 0) | |
1445 | is_imp = 1; | |
1446 | /* The section containing the jmp stub has code | |
1447 | and has a reloc. */ | |
1448 | if ((sec->flags & SEC_CODE) && sec->reloc_count) | |
1449 | stub_sec = sec; | |
1450 | } | |
92b93329 | 1451 | |
54727719 NC |
1452 | if (is_imp && stub_sec) |
1453 | { | |
54727719 | 1454 | asymbol **symbols; |
5c1d2f5f | 1455 | long nsyms, src_count; |
54727719 NC |
1456 | struct bfd_link_hash_entry * blhe; |
1457 | ||
5c1d2f5f AM |
1458 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
1459 | { | |
1460 | einfo (_("%B%F: could not read symbols: %E\n"), | |
1461 | is->the_bfd); | |
1462 | return; | |
1463 | } | |
1464 | symbols = bfd_get_outsymbols (is->the_bfd); | |
1465 | nsyms = bfd_get_symcount (is->the_bfd); | |
54727719 | 1466 | |
5c1d2f5f | 1467 | for (src_count = 0; src_count < nsyms; src_count++) |
54727719 NC |
1468 | { |
1469 | if (symbols[src_count]->section->id == stub_sec->id) | |
1470 | { | |
1471 | /* This symbol belongs to the section containing | |
1472 | the stub. */ | |
1473 | blhe = bfd_link_hash_lookup (link_info.hash, | |
1474 | symbols[src_count]->name, | |
1475 | FALSE, FALSE, TRUE); | |
1476 | /* If the symbol in the stub section has no other | |
1477 | undefined references, exclude the stub section | |
1478 | from the final link. */ | |
1479 | if (blhe && (blhe->type == bfd_link_hash_defined) | |
1480 | && (blhe->u.undef.next == NULL)) | |
1481 | stub_sec->flags |= SEC_EXCLUDE; | |
1482 | } | |
1483 | } | |
54727719 NC |
1484 | } |
1485 | } | |
1486 | } | |
1487 | } | |
252b5132 RH |
1488 | } |
1489 | \f | |
3fc90ddb | 1490 | static void |
0c7a8e5a | 1491 | gld_${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1492 | { |
1493 | #ifdef TARGET_IS_ppcpe | |
c9e38879 | 1494 | /* Here we rummage through the found bfds to collect toc information. */ |
252b5132 RH |
1495 | { |
1496 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1497 | { | |
1498 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) | |
1499 | { | |
1500 | /* xgettext:c-format */ | |
1501 | einfo (_("Errors encountered processing file %s\n"), is->filename); | |
1502 | } | |
1503 | } | |
1504 | } | |
1505 | ||
c9e38879 | 1506 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
1507 | ppc_allocate_toc_section (&link_info); |
1508 | #endif /* TARGET_IS_ppcpe */ | |
1509 | ||
7148cc28 | 1510 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
252b5132 RH |
1511 | /* FIXME: we should be able to set the size of the interworking stub |
1512 | section. | |
1513 | ||
1514 | Here we rummage through the found bfds to collect glue | |
1515 | information. FIXME: should this be based on a command line | |
c9e38879 | 1516 | option? krk@cygnus.com. */ |
252b5132 RH |
1517 | { |
1518 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1519 | { | |
7148cc28 | 1520 | if (! bfd_arm_process_before_allocation |
252b5132 RH |
1521 | (is->the_bfd, & link_info, support_old_code)) |
1522 | { | |
1523 | /* xgettext:c-format */ | |
44e36d8a | 1524 | einfo (_("Errors encountered processing file %s for interworking\n"), |
252b5132 RH |
1525 | is->filename); |
1526 | } | |
1527 | } | |
1528 | } | |
1529 | ||
c9e38879 | 1530 | /* We have seen it all. Allocate it, and carry on. */ |
7148cc28 NC |
1531 | bfd_arm_allocate_interworking_sections (& link_info); |
1532 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ | |
8423293d | 1533 | |
1e035701 | 1534 | before_allocation_default (); |
252b5132 RH |
1535 | } |
1536 | \f | |
690a460e | 1537 | #ifdef DLL_SUPPORT |
252b5132 | 1538 | /* This is called when an input file isn't recognized as a BFD. We |
c9e38879 | 1539 | check here for .DEF files and pull them in automatically. */ |
690a460e | 1540 | |
252b5132 | 1541 | static int |
0c7a8e5a | 1542 | saw_option (char *option) |
252b5132 RH |
1543 | { |
1544 | int i; | |
c9e38879 NC |
1545 | |
1546 | for (i = 0; init[i].ptr; i++) | |
252b5132 RH |
1547 | if (strcmp (init[i].symbol, option) == 0) |
1548 | return init[i].inited; | |
1549 | return 0; | |
1550 | } | |
690a460e | 1551 | #endif /* DLL_SUPPORT */ |
252b5132 | 1552 | |
b34976b6 | 1553 | static bfd_boolean |
0c7a8e5a | 1554 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1555 | { |
c6c37250 | 1556 | #ifdef DLL_SUPPORT |
252b5132 RH |
1557 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
1558 | ||
1559 | if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0) | |
252b5132 | 1560 | { |
f2d3750d | 1561 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
c9e38879 NC |
1562 | |
1563 | if (pe_def_file) | |
252b5132 | 1564 | { |
c9e38879 NC |
1565 | int i, buflen=0, len; |
1566 | char *buf; | |
252b5132 | 1567 | |
c9e38879 | 1568 | for (i = 0; i < pe_def_file->num_exports; i++) |
252b5132 | 1569 | { |
939ba9d0 | 1570 | len = strlen (pe_def_file->exports[i].internal_name); |
c9e38879 NC |
1571 | if (buflen < len + 2) |
1572 | buflen = len + 2; | |
252b5132 | 1573 | } |
252b5132 | 1574 | |
d127ecce | 1575 | buf = xmalloc (buflen); |
252b5132 | 1576 | |
c9e38879 NC |
1577 | for (i = 0; i < pe_def_file->num_exports; i++) |
1578 | { | |
1579 | struct bfd_link_hash_entry *h; | |
1580 | ||
00479ba8 | 1581 | sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name); |
c9e38879 | 1582 | |
b34976b6 | 1583 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
c9e38879 NC |
1584 | if (h == (struct bfd_link_hash_entry *) NULL) |
1585 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); | |
1586 | if (h->type == bfd_link_hash_new) | |
1587 | { | |
1588 | h->type = bfd_link_hash_undefined; | |
1589 | h->u.undef.abfd = NULL; | |
1590 | bfd_link_add_undef (link_info.hash, h); | |
1591 | } | |
1592 | } | |
1593 | free (buf); | |
1594 | ||
1595 | /* def_file_print (stdout, pe_def_file); */ | |
1596 | if (pe_def_file->is_dll == 1) | |
1597 | link_info.shared = 1; | |
1598 | ||
1599 | if (pe_def_file->base_address != (bfd_vma)(-1)) | |
1600 | { | |
f13a99db AM |
1601 | pe.ImageBase |
1602 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase | |
1603 | = init[IMAGEBASEOFF].value | |
1604 | = pe_def_file->base_address; | |
c9e38879 NC |
1605 | init[IMAGEBASEOFF].inited = 1; |
1606 | if (image_base_statement) | |
f13a99db AM |
1607 | image_base_statement->exp = exp_assop ('=', "__image_base__", |
1608 | exp_intop (pe.ImageBase)); | |
c9e38879 | 1609 | } |
252b5132 | 1610 | |
c9e38879 NC |
1611 | if (pe_def_file->stack_reserve != -1 |
1612 | && ! saw_option ("__size_of_stack_reserve__")) | |
1613 | { | |
1614 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; | |
1615 | if (pe_def_file->stack_commit != -1) | |
1616 | pe.SizeOfStackCommit = pe_def_file->stack_commit; | |
1617 | } | |
1618 | if (pe_def_file->heap_reserve != -1 | |
1619 | && ! saw_option ("__size_of_heap_reserve__")) | |
1620 | { | |
1621 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; | |
1622 | if (pe_def_file->heap_commit != -1) | |
1623 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; | |
1624 | } | |
b34976b6 | 1625 | return TRUE; |
c9e38879 | 1626 | } |
252b5132 | 1627 | } |
252b5132 | 1628 | #endif |
b34976b6 | 1629 | return FALSE; |
252b5132 RH |
1630 | } |
1631 | ||
b34976b6 | 1632 | static bfd_boolean |
0c7a8e5a | 1633 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
252b5132 | 1634 | { |
c6c37250 | 1635 | #ifdef DLL_SUPPORT |
252b5132 | 1636 | #ifdef TARGET_IS_i386pe |
c6c37250 | 1637 | pe_dll_id_target ("pei-i386"); |
344a211f NC |
1638 | #endif |
1639 | #ifdef TARGET_IS_shpe | |
1640 | pe_dll_id_target ("pei-shl"); | |
1641 | #endif | |
1642 | #ifdef TARGET_IS_mipspe | |
1643 | pe_dll_id_target ("pei-mips"); | |
1644 | #endif | |
1645 | #ifdef TARGET_IS_armpe | |
1646 | pe_dll_id_target ("pei-arm-little"); | |
7148cc28 NC |
1647 | #endif |
1648 | #ifdef TARGET_IS_arm_epoc_pe | |
1649 | pe_dll_id_target ("epoc-pei-arm-little"); | |
1650 | #endif | |
1651 | #ifdef TARGET_IS_arm_wince_pe | |
1652 | pe_dll_id_target ("pei-arm-wince-little"); | |
c6c37250 | 1653 | #endif |
ff2bdb9c CF |
1654 | if (pe_bfd_is_dll (entry->the_bfd)) |
1655 | return pe_implied_import_dll (entry->filename); | |
252b5132 | 1656 | #endif |
b34976b6 | 1657 | return FALSE; |
252b5132 RH |
1658 | } |
1659 | ||
1660 | static void | |
0c7a8e5a | 1661 | gld_${EMULATION_NAME}_finish (void) |
252b5132 | 1662 | { |
7148cc28 | 1663 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
6f798e5c NC |
1664 | struct bfd_link_hash_entry * h; |
1665 | ||
1666 | if (thumb_entry_symbol != NULL) | |
1667 | { | |
b34976b6 AM |
1668 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
1669 | FALSE, FALSE, TRUE); | |
3fc90ddb | 1670 | |
6f798e5c NC |
1671 | if (h != (struct bfd_link_hash_entry *) NULL |
1672 | && (h->type == bfd_link_hash_defined | |
1673 | || h->type == bfd_link_hash_defweak) | |
1674 | && h->u.def.section->output_section != NULL) | |
1675 | { | |
1676 | static char buffer[32]; | |
1677 | bfd_vma val; | |
3fc90ddb | 1678 | |
6f798e5c NC |
1679 | /* Special procesing is required for a Thumb entry symbol. The |
1680 | bottom bit of its address must be set. */ | |
1681 | val = (h->u.def.value | |
f13a99db | 1682 | + bfd_get_section_vma (link_info.output_bfd, |
6f798e5c NC |
1683 | h->u.def.section->output_section) |
1684 | + h->u.def.section->output_offset); | |
3fc90ddb | 1685 | |
6f798e5c | 1686 | val |= 1; |
3fc90ddb | 1687 | |
6f798e5c NC |
1688 | /* Now convert this value into a string and store it in entry_symbol |
1689 | where the lang_finish() function will pick it up. */ | |
1690 | buffer[0] = '0'; | |
1691 | buffer[1] = 'x'; | |
3fc90ddb | 1692 | |
6f798e5c | 1693 | sprintf_vma (buffer + 2, val); |
3fc90ddb | 1694 | |
e3e942e9 | 1695 | if (entry_symbol.name != NULL && entry_from_cmdline) |
6f798e5c | 1696 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
e3e942e9 AM |
1697 | thumb_entry_symbol, entry_symbol.name); |
1698 | entry_symbol.name = buffer; | |
6f798e5c NC |
1699 | } |
1700 | else | |
c58dea77 | 1701 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
6f798e5c | 1702 | } |
7148cc28 | 1703 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
6f798e5c | 1704 | |
1e035701 AM |
1705 | finish_default (); |
1706 | ||
c6c37250 | 1707 | #ifdef DLL_SUPPORT |
2b817be1 NC |
1708 | if (link_info.shared |
1709 | #if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe) | |
d127ecce | 1710 | || (!link_info.relocatable && pe_def_file->num_exports != 0) |
2b817be1 NC |
1711 | #endif |
1712 | ) | |
252b5132 | 1713 | { |
f13a99db | 1714 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
252b5132 | 1715 | if (pe_implib_filename) |
e1c37eb5 | 1716 | pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info); |
252b5132 | 1717 | } |
344a211f | 1718 | #if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) |
690a460e | 1719 | /* ARM doesn't need relocs. */ |
344a211f NC |
1720 | else |
1721 | { | |
f13a99db | 1722 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
344a211f NC |
1723 | } |
1724 | #endif | |
3fc90ddb | 1725 | |
252b5132 RH |
1726 | if (pe_out_def_filename) |
1727 | pe_dll_generate_def_file (pe_out_def_filename); | |
690a460e | 1728 | #endif /* DLL_SUPPORT */ |
decc3638 | 1729 | |
c9e38879 | 1730 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
decc3638 | 1731 | { |
f13a99db | 1732 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
c9e38879 | 1733 | |
decc3638 CW |
1734 | if (asec) |
1735 | { | |
1af699f4 AM |
1736 | asec->flags &= ~SEC_CODE; |
1737 | asec->flags |= SEC_DATA; | |
decc3638 CW |
1738 | } |
1739 | } | |
252b5132 RH |
1740 | } |
1741 | ||
1742 | \f | |
1743 | /* Place an orphan section. | |
1744 | ||
1745 | We use this to put sections in a reasonable place in the file, and | |
1746 | to ensure that they are aligned as required. | |
1747 | ||
d34c1c51 | 1748 | We handle grouped sections here as well. A section named .foo\$nn |
252b5132 RH |
1749 | goes into the output section .foo. All grouped sections are sorted |
1750 | by name. | |
1751 | ||
1752 | Grouped sections for the default sections are handled by the | |
1753 | default linker script using wildcards, and are sorted by | |
1754 | sort_sections. */ | |
1755 | ||
c2edb4b8 | 1756 | static lang_output_section_statement_type * |
8a99a385 AM |
1757 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
1758 | const char *secname, | |
1759 | int constraint) | |
252b5132 | 1760 | { |
bcacc0f5 | 1761 | const char *orig_secname = secname; |
f0c87f88 | 1762 | char *dollar = NULL; |
aea4bd9d | 1763 | lang_output_section_statement_type *os; |
5ba47421 | 1764 | lang_statement_list_type add_child; |
011aa75f | 1765 | lang_statement_union_type **pl; |
252b5132 | 1766 | |
252b5132 | 1767 | /* Look through the script to see where to place this section. */ |
afd7a018 | 1768 | if (!link_info.relocatable |
d34c1c51 | 1769 | && (dollar = strchr (secname, '\$')) != NULL) |
6eec49fc | 1770 | { |
bcacc0f5 | 1771 | size_t len = dollar - secname; |
afd7a018 | 1772 | char *newname = xmalloc (len + 1); |
bcacc0f5 | 1773 | memcpy (newname, secname, len); |
afd7a018 AM |
1774 | newname[len] = '\0'; |
1775 | secname = newname; | |
6eec49fc | 1776 | } |
252b5132 | 1777 | |
5ba47421 AM |
1778 | lang_list_init (&add_child); |
1779 | ||
d127ecce AM |
1780 | os = NULL; |
1781 | if (constraint == 0) | |
1782 | for (os = lang_output_section_find (secname); | |
1783 | os != NULL; | |
1784 | os = next_matching_output_section_statement (os, 0)) | |
1785 | { | |
1786 | /* If we don't match an existing output section, tell | |
1787 | lang_insert_orphan to create a new output section. */ | |
1788 | constraint = SPECIAL; | |
1789 | ||
1790 | if (os->bfd_section != NULL | |
1791 | && (os->bfd_section->flags == 0 | |
1792 | || ((s->flags ^ os->bfd_section->flags) | |
1793 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
1794 | { | |
1795 | /* We already have an output section statement with this | |
1796 | name, and its bfd section has compatible flags. | |
1797 | If the section already exists but does not have any flags set, | |
1798 | then it has been created by the linker, probably as a result of | |
1799 | a --section-start command line switch. */ | |
1800 | lang_add_section (&add_child, s, os); | |
1801 | break; | |
1802 | } | |
1803 | } | |
1804 | ||
1805 | if (os == NULL) | |
252b5132 | 1806 | { |
afd7a018 AM |
1807 | static struct orphan_save hold[] = |
1808 | { | |
1809 | { ".text", | |
1810 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1811 | 0, 0, 0, 0 }, | |
1812 | { ".rdata", | |
1813 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1814 | 0, 0, 0, 0 }, | |
1815 | { ".data", | |
1816 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1817 | 0, 0, 0, 0 }, | |
1818 | { ".bss", | |
1819 | SEC_ALLOC, | |
1820 | 0, 0, 0, 0 } | |
1821 | }; | |
1822 | enum orphan_save_index | |
1823 | { | |
1824 | orphan_text = 0, | |
1825 | orphan_rodata, | |
1826 | orphan_data, | |
1827 | orphan_bss | |
1828 | }; | |
1829 | static int orphan_init_done = 0; | |
6a345e87 | 1830 | struct orphan_save *place; |
afd7a018 | 1831 | lang_output_section_statement_type *after; |
252b5132 | 1832 | etree_type *address; |
afd7a018 AM |
1833 | |
1834 | if (!orphan_init_done) | |
1835 | { | |
1836 | struct orphan_save *ho; | |
1837 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1838 | if (ho->name != NULL) | |
1839 | { | |
1840 | ho->os = lang_output_section_find (ho->name); | |
1841 | if (ho->os != NULL && ho->os->flags == 0) | |
1842 | ho->os->flags = ho->flags; | |
1843 | } | |
1844 | orphan_init_done = 1; | |
1845 | } | |
252b5132 RH |
1846 | |
1847 | /* Try to put the new output section in a reasonable place based | |
1848 | on the section name and section flags. */ | |
aea4bd9d | 1849 | |
252b5132 | 1850 | place = NULL; |
5ba47421 AM |
1851 | if ((s->flags & SEC_ALLOC) == 0) |
1852 | ; | |
afd7a018 AM |
1853 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
1854 | place = &hold[orphan_bss]; | |
1855 | else if ((s->flags & SEC_READONLY) == 0) | |
1856 | place = &hold[orphan_data]; | |
1857 | else if ((s->flags & SEC_CODE) == 0) | |
1858 | place = &hold[orphan_rodata]; | |
1af699f4 | 1859 | else |
afd7a018 | 1860 | place = &hold[orphan_text]; |
1af699f4 | 1861 | |
afd7a018 | 1862 | after = NULL; |
1af699f4 AM |
1863 | if (place != NULL) |
1864 | { | |
afd7a018 AM |
1865 | if (place->os == NULL) |
1866 | place->os = lang_output_section_find (place->name); | |
1867 | after = place->os; | |
1868 | if (after == NULL) | |
390fbbf1 | 1869 | after = lang_output_section_find_by_flags (s, &place->os, NULL); |
afd7a018 AM |
1870 | if (after == NULL) |
1871 | /* *ABS* is always the first output section statement. */ | |
1872 | after = (&lang_output_section_statement.head | |
1873 | ->output_section_statement); | |
252b5132 RH |
1874 | } |
1875 | ||
afd7a018 AM |
1876 | /* All sections in an executable must be aligned to a page boundary. */ |
1877 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); | |
8a99a385 AM |
1878 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
1879 | &add_child); | |
252b5132 RH |
1880 | } |
1881 | ||
011aa75f AM |
1882 | /* If the section name has a '\$', sort it with the other '\$' |
1883 | sections. */ | |
1884 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) | |
1885 | { | |
1886 | lang_input_section_type *ls; | |
1887 | const char *lname; | |
252b5132 | 1888 | |
011aa75f AM |
1889 | if ((*pl)->header.type != lang_input_section_enum) |
1890 | continue; | |
252b5132 | 1891 | |
011aa75f | 1892 | ls = &(*pl)->input_section; |
252b5132 | 1893 | |
011aa75f AM |
1894 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
1895 | if (strchr (lname, '\$') != NULL | |
1896 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) | |
1897 | break; | |
1898 | } | |
5ba47421 | 1899 | |
011aa75f AM |
1900 | if (add_child.head != NULL) |
1901 | { | |
1902 | *add_child.tail = *pl; | |
1903 | *pl = add_child.head; | |
1904 | } | |
252b5132 | 1905 | |
c2edb4b8 | 1906 | return os; |
252b5132 RH |
1907 | } |
1908 | ||
b34976b6 | 1909 | static bfd_boolean |
0c7a8e5a | 1910 | gld_${EMULATION_NAME}_open_dynamic_archive |
d127ecce AM |
1911 | (const char *arch ATTRIBUTE_UNUSED, |
1912 | search_dirs_type *search, | |
0c7a8e5a | 1913 | lang_input_statement_type *entry) |
690a460e | 1914 | { |
45e948fe NC |
1915 | static const struct |
1916 | { | |
1917 | const char * format; | |
1918 | bfd_boolean use_prefix; | |
1919 | } | |
1920 | libname_fmt [] = | |
1921 | { | |
1922 | /* Preferred explicit import library for dll's. */ | |
1923 | { "lib%s.dll.a", FALSE }, | |
1924 | /* Alternate explicit import library for dll's. */ | |
1925 | { "%s.dll.a", FALSE }, | |
1926 | /* "libfoo.a" could be either an import lib or a static lib. | |
1927 | For backwards compatibility, libfoo.a needs to precede | |
1928 | libfoo.dll and foo.dll in the search. */ | |
1929 | { "lib%s.a", FALSE }, | |
92b93329 | 1930 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
45e948fe NC |
1931 | { "%s.lib", FALSE }, |
1932 | #ifdef DLL_SUPPORT | |
1933 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ | |
1934 | { "%s%s.dll", TRUE }, | |
1935 | #endif | |
1936 | /* Try "libfoo.dll" (default preferred dll name). */ | |
1937 | { "lib%s.dll", FALSE }, | |
1938 | /* Finally try 'native' dll name "foo.dll". */ | |
1939 | { "%s.dll", FALSE }, | |
1940 | /* Note: If adding more formats to this table, make sure to check to | |
1941 | see if their length is longer than libname_fmt[0].format, and if | |
1942 | so, update the call to xmalloc() below. */ | |
1943 | { NULL, FALSE } | |
1944 | }; | |
b1d9458a | 1945 | static unsigned int format_max_len = 0; |
690a460e | 1946 | const char * filename; |
45e948fe NC |
1947 | char * full_string; |
1948 | char * base_string; | |
1949 | unsigned int i; | |
1950 | ||
690a460e NC |
1951 | |
1952 | if (! entry->is_archive) | |
b34976b6 | 1953 | return FALSE; |
690a460e NC |
1954 | |
1955 | filename = entry->filename; | |
1956 | ||
b1d9458a NC |
1957 | if (format_max_len == 0) |
1958 | /* We need to allow space in the memory that we are going to allocate | |
1959 | for the characters in the format string. Since the format array is | |
1960 | static we only need to calculate this information once. In theory | |
1961 | this value could also be computed statically, but this introduces | |
1962 | the possibility for a discrepancy and hence a possible memory | |
1963 | corruption. The lengths we compute here will be too long because | |
1964 | they will include any formating characters (%s) in the strings, but | |
1965 | this will not matter. */ | |
1966 | for (i = 0; libname_fmt[i].format; i++) | |
1967 | if (format_max_len < strlen (libname_fmt[i].format)) | |
1968 | format_max_len = strlen (libname_fmt[i].format); | |
1969 | ||
45e948fe NC |
1970 | full_string = xmalloc (strlen (search->name) |
1971 | + strlen (filename) | |
b1d9458a | 1972 | + format_max_len |
b9a69188 | 1973 | #ifdef DLL_SUPPORT |
45e948fe NC |
1974 | + (pe_dll_search_prefix |
1975 | ? strlen (pe_dll_search_prefix) : 0) | |
b9a69188 | 1976 | #endif |
b1d9458a NC |
1977 | /* Allow for the terminating NUL and for the path |
1978 | separator character that is inserted between | |
1979 | search->name and the start of the format string. */ | |
1980 | + 2); | |
690a460e | 1981 | |
45e948fe NC |
1982 | sprintf (full_string, "%s/", search->name); |
1983 | base_string = full_string + strlen (full_string); | |
690a460e | 1984 | |
45e948fe | 1985 | for (i = 0; libname_fmt[i].format; i++) |
690a460e | 1986 | { |
92b93329 | 1987 | #ifdef DLL_SUPPORT |
45e948fe | 1988 | if (libname_fmt[i].use_prefix) |
1af699f4 | 1989 | { |
45e948fe NC |
1990 | if (!pe_dll_search_prefix) |
1991 | continue; | |
1992 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); | |
1af699f4 | 1993 | } |
45e948fe NC |
1994 | else |
1995 | #endif | |
1996 | sprintf (base_string, libname_fmt[i].format, filename); | |
1997 | ||
1998 | if (ldfile_try_open_bfd (full_string, entry)) | |
1999 | break; | |
2000 | } | |
2001 | ||
2002 | if (!libname_fmt[i].format) | |
2003 | { | |
2004 | free (full_string); | |
2005 | return FALSE; | |
690a460e | 2006 | } |
602e90d3 | 2007 | |
45e948fe | 2008 | entry->filename = full_string; |
690a460e | 2009 | |
b34976b6 | 2010 | return TRUE; |
690a460e NC |
2011 | } |
2012 | ||
344a211f | 2013 | static int |
0c7a8e5a AM |
2014 | gld_${EMULATION_NAME}_find_potential_libraries |
2015 | (char *name, lang_input_statement_type *entry) | |
344a211f NC |
2016 | { |
2017 | return ldfile_open_file_search (name, entry, "", ".lib"); | |
2018 | } | |
252b5132 RH |
2019 | \f |
2020 | static char * | |
0c7a8e5a | 2021 | gld_${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2022 | EOF |
2023 | # Scripts compiled in. | |
2024 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2025 | sc="-f stringify.sed" |
252b5132 | 2026 | |
92b93329 | 2027 | fragment <<EOF |
3fc90ddb | 2028 | { |
252b5132 RH |
2029 | *isfile = 0; |
2030 | ||
1049f94e | 2031 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
2032 | return |
2033 | EOF | |
1af699f4 AM |
2034 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
2035 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
2036 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
2037 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2038 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
2039 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
2040 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
e2a83dd0 NC |
2041 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
2042 | echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c | |
2043 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c | |
2044 | fi | |
1af699f4 AM |
2045 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2046 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2047 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 | 2048 | |
92b93329 | 2049 | fragment <<EOF |
252b5132 RH |
2050 | |
2051 | ||
3fc90ddb | 2052 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
2053 | { |
2054 | gld_${EMULATION_NAME}_before_parse, | |
2055 | syslib_default, | |
2056 | hll_default, | |
2057 | gld_${EMULATION_NAME}_after_parse, | |
2058 | gld_${EMULATION_NAME}_after_open, | |
2059 | after_allocation_default, | |
2060 | set_output_arch_default, | |
2061 | ldemul_default_target, | |
2062 | gld_${EMULATION_NAME}_before_allocation, | |
2063 | gld_${EMULATION_NAME}_get_script, | |
2064 | "${EMULATION_NAME}", | |
2065 | "${OUTPUT_FORMAT}", | |
4cd89863 NC |
2066 | gld_${EMULATION_NAME}_finish, |
2067 | NULL, /* Create output section statements. */ | |
690a460e | 2068 | gld_${EMULATION_NAME}_open_dynamic_archive, |
252b5132 RH |
2069 | gld_${EMULATION_NAME}_place_orphan, |
2070 | gld_${EMULATION_NAME}_set_symbols, | |
3bcf5557 AM |
2071 | NULL, /* parse_args */ |
2072 | gld${EMULATION_NAME}_add_options, | |
2073 | gld${EMULATION_NAME}_handle_option, | |
252b5132 RH |
2074 | gld_${EMULATION_NAME}_unrecognized_file, |
2075 | gld_${EMULATION_NAME}_list_options, | |
344a211f | 2076 | gld_${EMULATION_NAME}_recognized_file, |
fac1652d | 2077 | gld_${EMULATION_NAME}_find_potential_libraries, |
4cd89863 | 2078 | NULL /* new_vers_pattern. */ |
252b5132 RH |
2079 | }; |
2080 | EOF |