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252b5132
RH
1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3fc90ddb 3if [ -z "$MACHINE" ]; then
86af25fe
L
4 OUTPUT_ARCH=${ARCH}
5else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7fi
361d94e7
ILT
8rm -f e${EMULATION_NAME}.c
9(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
92b93329 10fragment <<EOF
b3adc24a 11/* Copyright (C) 1995-2020 Free Software Foundation, Inc.
252b5132 12
f96b4a7b
NC
13 This file is part of the GNU Binutils.
14
2fa9fc65
NC
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
f96b4a7b 17 the Free Software Foundation; either version 3 of the License, or
2fa9fc65 18 (at your option) any later version.
252b5132 19
2fa9fc65
NC
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
252b5132 24
2fa9fc65
NC
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
f96b4a7b
NC
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
29
252b5132
RH
30
31/* For WINDOWS_NT */
32/* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ
36 the correct entry point by default. */
37
db09f25b
AM
38#define TARGET_IS_${EMULATION_NAME}
39
252b5132 40#include "sysdep.h"
3db64b00 41#include "bfd.h"
252b5132 42#include "bfdlink.h"
1ff6de03 43#include "ctf-api.h"
252b5132
RH
44#include "getopt.h"
45#include "libiberty.h"
42627821 46#include "filenames.h"
252b5132
RH
47#include "ld.h"
48#include "ldmain.h"
252b5132
RH
49#include "ldexp.h"
50#include "ldlang.h"
b71e2778 51#include "ldfile.h"
252b5132 52#include "ldemul.h"
df2a7313 53#include <ldgram.h>
252b5132
RH
54#include "ldlex.h"
55#include "ldmisc.h"
56#include "ldctor.h"
61e2488c 57#include "ldbuildid.h"
252b5132 58#include "coff/internal.h"
71add731 59
26d2d8a2
BF
60/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
61 header in generic PE code. */
62#include "coff/i386.h"
63#include "coff/pe.h"
64
61e2488c 65/* FIXME: These are BFD internal header files, and we should not be
71add731 66 using it here. */
252b5132 67#include "../bfd/libcoff.h"
61e2488c 68#include "../bfd/libpei.h"
71add731 69
f37164d7
AM
70#if defined(TARGET_IS_armpe) \
71 || defined(TARGET_IS_arm_wince_pe)
72#define bfd_arm_allocate_interworking_sections \
73 bfd_${EMULATION_NAME}_allocate_interworking_sections
74#define bfd_arm_get_bfd_for_interworking \
75 bfd_${EMULATION_NAME}_get_bfd_for_interworking
76#define bfd_arm_process_before_allocation \
77 bfd_${EMULATION_NAME}_process_before_allocation
78#include "coff-arm.h"
79#endif
80
252b5132 81#include "deffile.h"
1069dd8d 82#include "pe-dll.h"
29e1a6e4 83#include "safe-ctype.h"
14fe918e 84
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ILT
85/* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90#undef PE_DEF_SECTION_ALIGNMENT
91#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
92#endif
93
7148cc28
NC
94#if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
7148cc28 96 || defined(TARGET_IS_armpe) \
7148cc28 97 || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
98#define DLL_SUPPORT
99#endif
c6c37250 100
e468a046
KT
101#if defined(TARGET_IS_i386pe)
102#define DEFAULT_PSEUDO_RELOC_VERSION 2
103#else
104#define DEFAULT_PSEUDO_RELOC_VERSION 1
105#endif
106
344a211f 107#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 108#define PE_DEF_SUBSYSTEM 3
344a211f
NC
109#else
110#undef NT_EXE_IMAGE_BASE
111#undef PE_DEF_SECTION_ALIGNMENT
112#undef PE_DEF_FILE_ALIGNMENT
113#define NT_EXE_IMAGE_BASE 0x00010000
7148cc28
NC
114
115#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
116#define PE_DEF_SECTION_ALIGNMENT 0x00001000
117#define PE_DEF_SUBSYSTEM 9
118#else
119#define PE_DEF_SECTION_ALIGNMENT 0x00000400
120#define PE_DEF_SUBSYSTEM 2
121#endif
122#define PE_DEF_FILE_ALIGNMENT 0x00000200
123#endif
c6c37250 124
252b5132
RH
125static struct internal_extra_pe_aouthdr pe;
126static int dll;
decfa41e 127static int pe_subsystem = ${SUBSYSTEM};
26d2d8a2 128static flagword real_flags = 0;
252b5132 129static int support_old_code = 0;
6f798e5c 130static char * thumb_entry_symbol = NULL;
252b5132 131static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 132static unsigned short pe_dll_characteristics = 0;
eeb14e5a 133static bfd_boolean insert_timestamp = TRUE;
61e2488c 134static const char *emit_build_id;
252b5132 135
f0c87f88 136#ifdef DLL_SUPPORT
4cd89863 137static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
690a460e 138static char *pe_out_def_filename = NULL;
5f577f7d 139static int pe_enable_auto_image_base = 0;
d0e6d77b 140static unsigned long pe_auto_image_base = 0x61500000;
627427de 141static char *pe_dll_search_prefix = NULL;
f0c87f88 142#endif
252b5132
RH
143
144extern const char *output_filename;
145
d74720d2 146static int is_underscoring (void)
252b5132 147{
d74720d2
KT
148 int u = 0;
149 if (pe_leading_underscore != -1)
150 return pe_leading_underscore;
151 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
b804e4af
KT
152 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
153
154 if (u == -1)
155 abort ();
d74720d2
KT
156 pe_leading_underscore = (u != 0 ? 1 : 0);
157 return pe_leading_underscore;
158}
b804e4af 159
d74720d2
KT
160static void
161gld_${EMULATION_NAME}_before_parse (void)
162{
163 is_underscoring ();
5e2f1575 164 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 165 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 166#ifdef DLL_SUPPORT
66be1055 167 input_flags.dynamic = TRUE;
252b5132 168 config.has_shared = 1;
5b9c6027
DK
169EOF
170
171# Cygwin no longer wants these noisy warnings. Other PE
172# targets might like to consider adding themselves here.
27320b85
NC
173# See also the mail thread starting here for the reason why
174# merge_rdata defaults to 0 for cygwin:
175# http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
5b9c6027
DK
176case ${target} in
177 *-*-cygwin*)
178 default_auto_import=1
27320b85 179 default_merge_rdata=0
ca5f2203 180 ;;
09db93a8 181 i[3-7]86-*-mingw* | x86_64-*-mingw*)
ca5f2203
KT
182 default_auto_import=1
183 default_merge_rdata=0
5b9c6027
DK
184 ;;
185 *)
186 default_auto_import=-1
ca5f2203 187 default_merge_rdata=1
5b9c6027
DK
188 ;;
189esac
190
191fragment <<EOF
192 link_info.pei386_auto_import = ${default_auto_import};
e468a046
KT
193 /* Use by default version. */
194 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
252b5132
RH
195#endif
196}
197\f
ca5f2203
KT
198/* Indicates if RDATA shall be merged into DATA when pseudo-relocation
199 version 2 is used and auto-import is enabled. */
200#define MERGE_RDATA_V2 ${default_merge_rdata}
201
252b5132
RH
202/* PE format extra command line options. */
203
4cd89863 204/* Used for setting flags in the PE header. */
252b5132
RH
205#define OPTION_BASE_FILE (300 + 1)
206#define OPTION_DLL (OPTION_BASE_FILE + 1)
207#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
208#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
209#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
210#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
211#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
212#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
213#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
214#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
215#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
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AM
216#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
217#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
218#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
219#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
220#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
221#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
222#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
2927aaca
NC
223#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
224#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
252b5132
RH
225#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
226#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
227#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
76359541 228#define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1)
870df5dc
NC
229#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
230#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
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DD
231#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
232#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC
233#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
234#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW
235#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
236#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
237#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
70b0be79 238#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
2fa9fc65
NC
239#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
240 (OPTION_EXCLUDE_LIBS + 1)
241#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
242 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
6c19b93b 243#define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
f69a2f97 244#define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
6c19b93b 245 (OPTION_LARGE_ADDRESS_AWARE + 1)
6cb442d3 246#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
f69a2f97 247 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
6cb442d3
KT
248#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
249 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
e1c37eb5
DK
250#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
251 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
ce11ba6c 252#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
88183869 253 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
6c19b93b
AM
254#define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
255#define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
522f09cd
KT
256#define OPTION_ENABLE_LONG_SECTION_NAMES \
257 (OPTION_LEADING_UNDERSCORE + 1)
88183869
DK
258#define OPTION_DISABLE_LONG_SECTION_NAMES \
259 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
0cb112f7 260/* DLLCharacteristics flags. */
2f563b51
DK
261#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
262#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
263#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
e4492aa0 264#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
2f563b51
DK
265#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
266#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
267#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
268#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
0cb112f7
CF
269/* Determinism. */
270#define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1)
eeb14e5a
LZ
271#define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1)
272#define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1)
252b5132 273
3bcf5557 274static void
0c7a8e5a 275gld${EMULATION_NAME}_add_options
d127ecce
AM
276 (int ns ATTRIBUTE_UNUSED,
277 char **shortopts ATTRIBUTE_UNUSED,
278 int nl,
279 struct option **longopts,
280 int nrl ATTRIBUTE_UNUSED,
281 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557 282{
27320b85
NC
283 static const struct option xtra_long[] =
284 {
285 /* PE options. */
3bcf5557
AM
286 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
287 {"dll", no_argument, NULL, OPTION_DLL},
288 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
289 {"heap", required_argument, NULL, OPTION_HEAP},
290 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
291 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
292 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
293 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
294 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
295 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
296 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
297 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
298 {"stack", required_argument, NULL, OPTION_STACK},
299 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
300 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
301 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
302 {"use-nul-prefixed-import-tables", no_argument, NULL,
303 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT
304 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
305 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
0cb112f7 306 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
eeb14e5a 307 {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
c6c37250 308#ifdef DLL_SUPPORT
d127ecce
AM
309 /* getopt allows abbreviations, so we do this to stop it
310 from treating -o as an abbreviation for this option. */
3bcf5557
AM
311 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
312 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
313 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
314 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 315 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
3bcf5557 316 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 317 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
318 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
319 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
320 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
321 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
3bcf5557
AM
322 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
323 /* getopt() allows abbreviations, so we do this to stop it from
324 treating -c as an abbreviation for these --compat-implib. */
325 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
326 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
d0e6d77b 327 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
3bcf5557
AM
328 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
329 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
330 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
331 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
332 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
333 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
334 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
335 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
336 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
337 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 338#endif
26d2d8a2 339 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
f69a2f97 340 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
88183869
DK
341 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
342 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
343 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
344 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
345 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
346 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
347 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
348 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
349 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
350 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
61e2488c 351 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
3bcf5557
AM
352 {NULL, no_argument, NULL, 0}
353 };
252b5132 354
d127ecce
AM
355 *longopts
356 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
3bcf5557
AM
357 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
358}
252b5132
RH
359
360/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 361 parameters which may be input from the command line. */
252b5132
RH
362
363typedef struct
364{
365 void *ptr;
366 int size;
367 int value;
368 char *symbol;
369 int inited;
522f09cd
KT
370 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
371 C visible symbols can be prefixed by underscore dependent to target's
372 settings. */
373 bfd_boolean is_c_symbol;
252b5132
RH
374} definfo;
375
522f09cd
KT
376/* Get symbol name dependent to kind and C visible state of
377 underscore. */
378#define GET_INIT_SYMBOL_NAME(IDX) \
379 (init[(IDX)].symbol \
535b785f 380 + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1))
522f09cd
KT
381
382/* Decorates the C visible symbol by underscore, if target requires. */
383#define U(CSTR) \
d74720d2 384 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
522f09cd 385
61e2488c 386#define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc}
252b5132
RH
387
388static definfo init[] =
389{
390 /* imagebase must be first */
391#define IMAGEBASEOFF 0
522f09cd 392 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
252b5132 393#define DLLOFF 1
522f09cd 394 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
dffc6a64 395#define MSIMAGEBASEOFF 2
522f09cd
KT
396 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
397 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
398 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
399 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
400 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
401 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
402 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
7148cc28 403#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
522f09cd 404 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
344a211f 405#else
522f09cd 406 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
344a211f 407#endif
522f09cd
KT
408 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
409 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
410 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
411 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
412 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
413 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
414 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
415 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
416 { NULL, 0, 0, NULL, 0 , FALSE}
252b5132
RH
417};
418
4cd89863 419
252b5132 420static void
0c7a8e5a 421gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
422{
423 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
424 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
425 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
426 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
427 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
428 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
429 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
430 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
431 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
432 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
433 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
434 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
435 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
436 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
437 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 438 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
6f798e5c 439 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
eeb14e5a 440 fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n"));
0cb112f7 441 fprintf (file, _(" This makes binaries non-deterministic\n"));
c6c37250 442#ifdef DLL_SUPPORT
252b5132
RH
443 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
444 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
445 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
446 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 447 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
b34976b6 448 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
449 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
450 fprintf (file, _(" Exclude objects, archive members from auto\n"));
451 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
452 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
453 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
252b5132 454 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
d0e6d77b 455 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
e3c8793a
NC
456 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
457 create __imp_<SYMBOL> as well.\n"));
d0e6d77b
CF
458 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
459 (optionally starting with address) unless\n\
460 specifically set with --image-base\n"));
5f577f7d 461 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
462 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
463 an importlib, use <string><basename>.dll\n\
e3c8793a 464 in preference to lib<basename>.dll \n"));
c85f715a 465 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
e3c8793a 466 __imp_sym for DATA references\n"));
decc3638 467 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 468 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
469 adding pseudo-relocations resolved at\n\
470 runtime.\n"));
2fa9fc65
NC
471 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
472 auto-imported DATA.\n"));
e3c8793a
NC
473 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
474 or linking to DLLs (esp. auto-import)\n"));
252b5132 475#endif
26d2d8a2
BF
476 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
477 greater than 2 gigabytes\n"));
f69a2f97
NC
478 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
479 addresses greater than 2 gigabytes\n"));
88183869
DK
480 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
481 executable image files\n"));
482 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
483 in object files\n"));
df5f2391
AM
484 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
485 address space layout randomization (ASLR)\n"));
486 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
487 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
488 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
489 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
490 be called in this image\n"));
491 fprintf (file, _(" --no-bind Do not bind this image\n"));
492 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 493 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
61e2488c 494 fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
252b5132
RH
495}
496
4cd89863 497
252b5132 498static void
0c7a8e5a 499set_pe_name (char *name, long val)
252b5132 500{
d74720d2
KT
501 int i;
502 is_underscoring ();
4cd89863
NC
503
504 /* Find the name and set it. */
252b5132
RH
505 for (i = 0; init[i].ptr; i++)
506 {
522f09cd 507 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
252b5132
RH
508 {
509 init[i].value = val;
510 init[i].inited = 1;
dffc6a64
KT
511 if (strcmp (name,"__image_base__") == 0)
512 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
513 return;
514 }
515 }
939ba9d0 516 abort ();
252b5132
RH
517}
518
decfa41e
KT
519static void
520set_entry_point (void)
521{
522 const char *entry;
523 const char *initial_symbol_char;
d74720d2 524 int i;
decfa41e
KT
525
526 static const struct
6c19b93b
AM
527 {
528 const int value;
529 const char *entry;
530 }
decfa41e
KT
531 v[] =
532 {
533 { 1, "NtProcessStartup" },
534 { 2, "WinMainCRTStartup" },
535 { 3, "mainCRTStartup" },
536 { 7, "__PosixProcessStartup"},
537 { 9, "WinMainCRTStartup" },
538 {14, "mainCRTStartup" },
539 { 0, NULL }
540 };
541
542 /* Entry point name for arbitrary subsystem numbers. */
543 static const char default_entry[] = "mainCRTStartup";
544
0e1862bb 545 if (bfd_link_pic (&link_info) || dll)
decfa41e
KT
546 {
547#if defined (TARGET_IS_i386pe)
548 entry = "DllMainCRTStartup@12";
549#else
550 entry = "DllMainCRTStartup";
551#endif
552 }
553 else
554 {
decfa41e 555 for (i = 0; v[i].entry; i++)
6c19b93b
AM
556 if (v[i].value == pe_subsystem)
557 break;
decfa41e
KT
558
559 /* If no match, use the default. */
560 if (v[i].entry != NULL)
6c19b93b 561 entry = v[i].entry;
decfa41e 562 else
6c19b93b 563 entry = default_entry;
decfa41e
KT
564 }
565
d74720d2 566 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
522f09cd 567
decfa41e
KT
568 if (*initial_symbol_char != '\0')
569 {
570 char *alc_entry;
571
572 /* lang_default_entry expects its argument to be permanently
573 allocated, so we don't free this string. */
574 alc_entry = xmalloc (strlen (initial_symbol_char)
575 + strlen (entry)
576 + 1);
577 strcpy (alc_entry, initial_symbol_char);
578 strcat (alc_entry, entry);
579 entry = alc_entry;
580 }
581
582 lang_default_entry (entry);
583}
252b5132
RH
584
585static void
0c7a8e5a 586set_pe_subsystem (void)
252b5132
RH
587{
588 const char *sver;
33f362e1 589 char *end;
252b5132
RH
590 int len;
591 int i;
33f362e1 592 unsigned long temp_subsystem;
3fc90ddb 593 static const struct
252b5132
RH
594 {
595 const char *name;
596 const int value;
252b5132
RH
597 }
598 v[] =
599 {
decfa41e
KT
600 { "native", 1},
601 { "windows", 2},
602 { "console", 3},
603 { "posix", 7},
604 { "wince", 9},
605 { "xbox", 14},
606 { NULL, 0 }
252b5132
RH
607 };
608
33f362e1 609 /* Check for the presence of a version number. */
252b5132
RH
610 sver = strchr (optarg, ':');
611 if (sver == NULL)
612 len = strlen (optarg);
613 else
614 {
252b5132
RH
615 len = sver - optarg;
616 set_pe_name ("__major_subsystem_version__",
decfa41e 617 strtoul (sver + 1, &end, 0));
252b5132
RH
618 if (*end == '.')
619 set_pe_name ("__minor_subsystem_version__",
decfa41e 620 strtoul (end + 1, &end, 0));
252b5132
RH
621 if (*end != '\0')
622 einfo (_("%P: warning: bad version number in -subsystem option\n"));
623 }
624
33f362e1
NC
625 /* Check for numeric subsystem. */
626 temp_subsystem = strtoul (optarg, & end, 0);
627 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 628 {
33f362e1
NC
629 /* Search list for a numeric match to use its entry point. */
630 for (i = 0; v[i].name; i++)
631 if (v[i].value == (int) temp_subsystem)
632 break;
633
33f362e1 634 /* Use this subsystem. */
decfa41e 635 pe_subsystem = (int) temp_subsystem;
33f362e1
NC
636 }
637 else
638 {
639 /* Search for subsystem by name. */
640 for (i = 0; v[i].name; i++)
641 if (strncmp (optarg, v[i].name, len) == 0
642 && v[i].name[len] == '\0')
643 break;
252b5132 644
33f362e1
NC
645 if (v[i].name == NULL)
646 {
df5f2391 647 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
252b5132
RH
648 return;
649 }
33f362e1 650
decfa41e 651 pe_subsystem = v[i].value;
252b5132 652 }
3fc90ddb 653
decfa41e 654 set_pe_name ("__subsystem__", pe_subsystem);
33f362e1
NC
655
656 return;
252b5132
RH
657}
658
659
252b5132 660static void
0c7a8e5a 661set_pe_value (char *name)
252b5132
RH
662{
663 char *end;
3fc90ddb 664
252b5132 665 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 666
252b5132 667 if (end == optarg)
df5f2391 668 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
252b5132
RH
669
670 optarg = end;
671}
672
4cd89863 673
252b5132 674static void
0c7a8e5a 675set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
676{
677 set_pe_value (resname);
3fc90ddb 678
252b5132
RH
679 if (*optarg == ',')
680 {
681 optarg++;
682 set_pe_value (comname);
683 }
684 else if (*optarg)
df5f2391 685 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
252b5132
RH
686}
687
61e2488c 688#define DEFAULT_BUILD_ID_STYLE "md5"
252b5132 689
3bcf5557 690static bfd_boolean
0c7a8e5a 691gld${EMULATION_NAME}_handle_option (int optc)
252b5132 692{
252b5132
RH
693 switch (optc)
694 {
695 default:
3bcf5557 696 return FALSE;
252b5132
RH
697
698 case OPTION_BASE_FILE:
0c7a8e5a 699 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 700 if (link_info.base_file == NULL)
e922bcab 701 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
702 break;
703
4cd89863 704 /* PE options. */
3fc90ddb 705 case OPTION_HEAP:
252b5132
RH
706 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
707 break;
3fc90ddb 708 case OPTION_STACK:
252b5132
RH
709 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
710 break;
711 case OPTION_SUBSYSTEM:
712 set_pe_subsystem ();
713 break;
714 case OPTION_MAJOR_OS_VERSION:
715 set_pe_value ("__major_os_version__");
716 break;
717 case OPTION_MINOR_OS_VERSION:
718 set_pe_value ("__minor_os_version__");
719 break;
720 case OPTION_MAJOR_SUBSYSTEM_VERSION:
721 set_pe_value ("__major_subsystem_version__");
722 break;
723 case OPTION_MINOR_SUBSYSTEM_VERSION:
724 set_pe_value ("__minor_subsystem_version__");
725 break;
726 case OPTION_MAJOR_IMAGE_VERSION:
727 set_pe_value ("__major_image_version__");
728 break;
729 case OPTION_MINOR_IMAGE_VERSION:
730 set_pe_value ("__minor_image_version__");
731 break;
732 case OPTION_FILE_ALIGNMENT:
733 set_pe_value ("__file_alignment__");
734 break;
735 case OPTION_SECTION_ALIGNMENT:
736 set_pe_value ("__section_alignment__");
737 break;
738 case OPTION_DLL:
739 set_pe_name ("__dll__", 1);
740 break;
741 case OPTION_IMAGE_BASE:
742 set_pe_value ("__image_base__");
743 break;
744 case OPTION_SUPPORT_OLD_CODE:
745 support_old_code = 1;
746 break;
6f798e5c
NC
747 case OPTION_THUMB_ENTRY:
748 thumb_entry_symbol = optarg;
749 break;
ce11ba6c
KT
750 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
751 pe_use_nul_prefixed_import_tables = TRUE;
752 break;
522f09cd
KT
753 case OPTION_NO_LEADING_UNDERSCORE:
754 pe_leading_underscore = 0;
755 break;
756 case OPTION_LEADING_UNDERSCORE:
757 pe_leading_underscore = 1;
758 break;
0cb112f7
CF
759 case OPTION_INSERT_TIMESTAMP:
760 insert_timestamp = TRUE;
761 break;
eeb14e5a
LZ
762 case OPTION_NO_INSERT_TIMESTAMP:
763 insert_timestamp = FALSE;
764 break;
c6c37250 765#ifdef DLL_SUPPORT
252b5132
RH
766 case OPTION_OUT_DEF:
767 pe_out_def_filename = xstrdup (optarg);
768 break;
769 case OPTION_EXPORT_ALL:
770 pe_dll_export_everything = 1;
771 break;
772 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 773 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79 774 break;
2927aaca
NC
775 case OPTION_EXCLUDE_ALL_SYMBOLS:
776 pe_dll_exclude_all_symbols = 1;
777 break;
70b0be79 778 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
779 pe_dll_add_excludes (optarg, EXCLUDELIBS);
780 break;
781 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
782 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
783 break;
784 case OPTION_KILL_ATS:
785 pe_dll_kill_ats = 1;
786 break;
787 case OPTION_STDCALL_ALIASES:
788 pe_dll_stdcall_aliases = 1;
789 break;
790 case OPTION_ENABLE_STDCALL_FIXUP:
791 pe_enable_stdcall_fixup = 1;
792 break;
793 case OPTION_DISABLE_STDCALL_FIXUP:
794 pe_enable_stdcall_fixup = 0;
795 break;
870df5dc
NC
796 case OPTION_WARN_DUPLICATE_EXPORTS:
797 pe_dll_warn_dup_exports = 1;
798 break;
799 case OPTION_IMP_COMPAT:
800 pe_dll_compat_implib = 1;
801 break;
5f577f7d
DD
802 case OPTION_ENABLE_AUTO_IMAGE_BASE:
803 pe_enable_auto_image_base = 1;
d0e6d77b
CF
804 if (optarg && *optarg)
805 {
806 char *end;
61e2488c 807 pe_auto_image_base = strtoul (optarg, &end, 0);
d0e6d77b
CF
808 /* XXX should check that we actually parsed something */
809 }
5f577f7d
DD
810 break;
811 case OPTION_DISABLE_AUTO_IMAGE_BASE:
812 pe_enable_auto_image_base = 0;
813 break;
627427de 814 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 815 pe_dll_search_prefix = xstrdup (optarg);
627427de 816 break;
1122a5fc
NC
817 case OPTION_NO_DEFAULT_EXCLUDES:
818 pe_dll_do_default_excludes = 0;
819 break;
decc3638 820 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 821 link_info.pei386_auto_import = 1;
decc3638
CW
822 break;
823 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 824 link_info.pei386_auto_import = 0;
decc3638 825 break;
2fa9fc65 826 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
e468a046
KT
827 link_info.pei386_runtime_pseudo_reloc =
828 DEFAULT_PSEUDO_RELOC_VERSION;
2fa9fc65 829 break;
6cb442d3
KT
830 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
831 link_info.pei386_runtime_pseudo_reloc = 1;
832 break;
833 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
834 link_info.pei386_runtime_pseudo_reloc = 2;
835 break;
2fa9fc65
NC
836 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
837 link_info.pei386_runtime_pseudo_reloc = 0;
838 break;
decc3638
CW
839 case OPTION_ENABLE_EXTRA_PE_DEBUG:
840 pe_dll_extra_pe_debug = 1;
841 break;
c6c37250 842#endif
26d2d8a2
BF
843 case OPTION_LARGE_ADDRESS_AWARE:
844 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
845 break;
f69a2f97
NC
846 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
847 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
848 break;
88183869
DK
849 case OPTION_ENABLE_LONG_SECTION_NAMES:
850 pe_use_coff_long_section_names = 1;
851 break;
852 case OPTION_DISABLE_LONG_SECTION_NAMES:
853 pe_use_coff_long_section_names = 0;
854 break;
2f563b51
DK
855/* Get DLLCharacteristics bits */
856 case OPTION_DYNAMIC_BASE:
857 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
858 break;
859 case OPTION_FORCE_INTEGRITY:
860 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
861 break;
862 case OPTION_NX_COMPAT:
863 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
864 break;
865 case OPTION_NO_ISOLATION:
866 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
867 break;
868 case OPTION_NO_SEH:
869 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
870 break;
871 case OPTION_NO_BIND:
872 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
873 break;
874 case OPTION_WDM_DRIVER:
875 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
876 break;
877 case OPTION_TERMINAL_SERVER_AWARE:
878 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
879 break;
61e2488c
JT
880 case OPTION_BUILD_ID:
881 if (emit_build_id != NULL)
882 {
883 free ((char *) emit_build_id);
884 emit_build_id = NULL;
885 }
886 if (optarg == NULL)
887 optarg = DEFAULT_BUILD_ID_STYLE;
888 if (strcmp (optarg, "none"))
889 emit_build_id = xstrdup (optarg);
890 break;
252b5132 891 }
2f563b51
DK
892
893 /* Set DLLCharacteristics bits */
894 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
895
3bcf5557 896 return TRUE;
252b5132
RH
897}
898\f
5f577f7d 899
2ef53d66 900#ifdef DLL_SUPPORT
3fc90ddb 901static unsigned long
5f577f7d
DD
902strhash (const char *str)
903{
904 const unsigned char *s;
905 unsigned long hash;
906 unsigned int c;
907 unsigned int len;
908
909 hash = 0;
910 len = 0;
911 s = (const unsigned char *) str;
912 while ((c = *s++) != '\0')
913 {
914 hash += c + (c << 17);
915 hash ^= hash >> 2;
916 ++len;
917 }
918 hash += len + (len << 17);
919 hash ^= hash >> 2;
920
921 return hash;
922}
923
4cd89863
NC
924/* Use the output file to create a image base for relocatable DLLs. */
925
5f577f7d
DD
926static unsigned long
927compute_dll_image_base (const char *ofile)
928{
929 unsigned long hash = strhash (ofile);
d0e6d77b 930 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
5f577f7d 931}
2ef53d66 932#endif
5f577f7d 933
252b5132
RH
934/* Assign values to the special symbols before the linker script is
935 read. */
936
937static void
0c7a8e5a 938gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
939{
940 /* Run through and invent symbols for all the
4cd89863 941 names and insert the defaults. */
d74720d2 942 int j;
b804e4af 943
d74720d2 944 is_underscoring ();
252b5132
RH
945
946 if (!init[IMAGEBASEOFF].inited)
947 {
0e1862bb 948 if (bfd_link_relocatable (&link_info))
252b5132 949 init[IMAGEBASEOFF].value = 0;
0e1862bb 950 else if (init[DLLOFF].value || bfd_link_dll (&link_info))
d127ecce 951 {
2ef53d66 952#ifdef DLL_SUPPORT
d127ecce
AM
953 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
954 ? compute_dll_image_base (output_filename)
955 : NT_DLL_IMAGE_BASE);
2ef53d66 956#else
d127ecce 957 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
2ef53d66 958#endif
d127ecce 959 }
252b5132
RH
960 else
961 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 962 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
963 }
964
1049f94e 965 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 966 if (bfd_link_relocatable (&link_info))
252b5132
RH
967 return;
968
4cd89863 969 /* Glue the assignments into the abs section. */
bde18da4 970 push_stat_ptr (&abs_output_section->children);
252b5132
RH
971
972 for (j = 0; init[j].ptr; j++)
973 {
974 long val = init[j].value;
975 lang_assignment_statement_type *rv;
522f09cd 976
2e57b2af 977 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
eb8476a6 978 exp_intop (val), FALSE));
939ba9d0
NC
979 if (init[j].size == sizeof (short))
980 *(short *) init[j].ptr = val;
981 else if (init[j].size == sizeof (int))
982 *(int *) init[j].ptr = val;
983 else if (init[j].size == sizeof (long))
984 *(long *) init[j].ptr = val;
252b5132 985 /* This might be a long long or other special type. */
939ba9d0
NC
986 else if (init[j].size == sizeof (bfd_vma))
987 *(bfd_vma *) init[j].ptr = val;
988 else abort ();
252b5132
RH
989 if (j == IMAGEBASEOFF)
990 image_base_statement = rv;
991 }
4cd89863 992 /* Restore the pointer. */
bde18da4 993 pop_stat_ptr ();
3fc90ddb 994
d127ecce 995 if (pe.FileAlignment > pe.SectionAlignment)
252b5132 996 {
df5f2391 997 einfo (_("%P: warning, file alignment > section alignment\n"));
252b5132
RH
998 }
999}
1000
1001/* This is called after the linker script and the command line options
1002 have been read. */
1003
1004static void
0c7a8e5a 1005gld_${EMULATION_NAME}_after_parse (void)
252b5132 1006{
8b747e1a
DK
1007 /* PR ld/6744: Warn the user if they have used an ELF-only
1008 option hoping it will work on PE. */
1009 if (link_info.export_dynamic)
1010 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1011 "targets, did you mean --export-all-symbols?\n"));
97b11f40 1012
decfa41e
KT
1013 set_entry_point ();
1014
97b11f40 1015 after_parse_default ();
252b5132
RH
1016}
1017
2ef53d66 1018#ifdef DLL_SUPPORT
252b5132
RH
1019static struct bfd_link_hash_entry *pe_undef_found_sym;
1020
b34976b6 1021static bfd_boolean
0c7a8e5a 1022pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 1023{
decc3638 1024 int sl;
0c7a8e5a 1025 char *string = inf;
8a9eab9b 1026 const char *hs = h->root.string;
4cd89863 1027
0c7a8e5a 1028 sl = strlen (string);
252b5132 1029 if (h->type == bfd_link_hash_defined
8a9eab9b
KT
1030 && ((*hs == '@' && *string == '_'
1031 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1032 || strncmp (hs, string, sl) == 0)
252b5132 1033 && h->root.string[sl] == '@')
decc3638
CW
1034 {
1035 pe_undef_found_sym = h;
b34976b6 1036 return FALSE;
decc3638 1037 }
b34976b6 1038 return TRUE;
252b5132
RH
1039}
1040
67f101ee
NC
1041/* Change UNDEF to a defined symbol, taking data from SYM. */
1042
1043static void
1044change_undef (struct bfd_link_hash_entry * undef,
1045 struct bfd_link_hash_entry * sym)
1046{
1047 static bfd_boolean gave_warning_message = FALSE;
1048
1049 undef->type = bfd_link_hash_defined;
1050 undef->u.def.value = sym->u.def.value;
1051 undef->u.def.section = sym->u.def.section;
1052
1053 if (pe_enable_stdcall_fixup == -1)
1054 {
df5f2391 1055 einfo (_("%P: warning: resolving %s by linking to %s\n"),
67f101ee
NC
1056 undef->root.string, sym->root.string);
1057
1058 if (! gave_warning_message)
1059 {
1060 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1061 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1062 gave_warning_message = TRUE;
1063 }
1064 }
1065
1066 /* PR 19803: Make sure that the linked symbol is not garbage collected. */
1067 lang_add_gc_name (sym->root.string);
1068}
1069
252b5132 1070static void
0c7a8e5a 1071pe_fixup_stdcalls (void)
252b5132 1072{
252b5132 1073 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1074
3fc90ddb 1075 if (pe_dll_extra_pe_debug)
c9e38879 1076 printf ("%s\n", __FUNCTION__);
3fc90ddb 1077
f6e332e6 1078 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 1079 if (undef->type == bfd_link_hash_undefined)
252b5132 1080 {
67f101ee
NC
1081 const char * name = undef->root.string;
1082 char * at;
1083 int lead_at = (*name == '@');
1084
8a9eab9b 1085 if (lead_at)
67f101ee
NC
1086 at = strchr (name + 1, '@');
1087 else
1088 at = strchr (name, '@');
b34976b6 1089
8a9eab9b 1090 if (at || lead_at)
c9e38879
NC
1091 {
1092 /* The symbol is a stdcall symbol, so let's look for a
1093 cdecl symbol with the same name and resolve to that. */
67f101ee 1094 char *cname = xstrdup (name);
8a9eab9b
KT
1095
1096 if (lead_at)
1097 *cname = '_';
6c19b93b 1098 if (at)
67f101ee
NC
1099 * strchr (cname, '@') = 0;
1100 sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE);
c9e38879
NC
1101
1102 if (sym && sym->type == bfd_link_hash_defined)
67f101ee 1103 change_undef (undef, sym);
c9e38879
NC
1104 }
1105 else
1106 {
1107 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 1108 symbols - which means scanning the whole symbol table. */
67f101ee 1109 pe_undef_found_sym = NULL;
c9e38879 1110 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
67f101ee
NC
1111 (char *) name);
1112 if (pe_undef_found_sym)
1113 change_undef (undef, pe_undef_found_sym);
c9e38879 1114 }
252b5132 1115 }
252b5132 1116}
decc3638 1117
317ff008
EB
1118static void
1119make_import_fixup (arelent *rel, asection *s, char *name, const char *symname)
decc3638 1120{
fc0a2244 1121 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1122 char addend[4];
317ff008 1123 bfd_vma _addend;
decc3638 1124
3fc90ddb 1125 if (pe_dll_extra_pe_debug)
c9e38879 1126 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1127 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1128
c99b8138 1129 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
df5f2391 1130 einfo (_("%P: %C: cannot get section contents - auto-import exception\n"),
c9e38879 1131 s->owner, s, rel->address);
0d888aac 1132
317ff008
EB
1133 _addend = bfd_get_32 (s->owner, addend);
1134 pe_create_import_fixup (rel, s, _addend, name, symname);
decc3638 1135}
252b5132 1136
b34976b6 1137static bfd_boolean
0c7a8e5a 1138pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1139{
80cc85a9 1140 printf ("+%s\n", h->string);
c9e38879 1141
b34976b6 1142 return TRUE;
decc3638 1143}
4b83d615 1144#endif /* DLL_SUPPORT */
decc3638 1145
e4492aa0 1146static void
3efd345c
DK
1147debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1148{
1149 int *found = (int *) obj;
1150 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1151 *found = 1;
1152}
decc3638 1153
61e2488c
JT
1154static bfd_boolean
1155pecoff_checksum_contents (bfd *abfd,
1156 void (*process) (const void *, size_t, void *),
1157 void *arg)
1158{
1159 file_ptr filepos = (file_ptr) 0;
1160
1161 while (1)
1162 {
1163 unsigned char b;
1164 int status;
1165
1166 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
1167 return 0;
1168
1169 status = bfd_bread (&b, (bfd_size_type) 1, abfd);
1170 if (status < 1)
6c19b93b
AM
1171 {
1172 break;
1173 }
61e2488c
JT
1174
1175 (*process) (&b, 1, arg);
1176 filepos += 1;
1177 }
1178
1179 return TRUE;
1180}
1181
1182static bfd_boolean
1183write_build_id (bfd *abfd)
1184{
1185 struct pe_tdata *t = pe_data (abfd);
1186 asection *asec;
1187 struct bfd_link_order *link_order = NULL;
1188 unsigned char *contents;
1189 bfd_size_type size;
1190 bfd_size_type build_id_size;
1191 unsigned char *build_id;
1192
74fffc39 1193 /* Find the section the .buildid output section has been merged info. */
61e2488c
JT
1194 for (asec = abfd->sections; asec != NULL; asec = asec->next)
1195 {
1196 struct bfd_link_order *l = NULL;
1197 for (l = asec->map_head.link_order; l != NULL; l = l->next)
6c19b93b
AM
1198 {
1199 if (l->type == bfd_indirect_link_order)
1200 {
1201 if (l->u.indirect.section == t->build_id.sec)
1202 {
1203 link_order = l;
1204 break;
1205 }
1206 }
1207 }
61e2488c
JT
1208
1209 if (link_order)
6c19b93b 1210 break;
61e2488c
JT
1211 }
1212
1213 if (!link_order)
1214 {
74fffc39 1215 einfo (_("%P: warning: .buildid section discarded,"
df5f2391 1216 " --build-id ignored\n"));
61e2488c
JT
1217 return TRUE;
1218 }
1219
1220 if (t->build_id.sec->contents == NULL)
1221 t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
1222 contents = t->build_id.sec->contents;
1223 size = t->build_id.sec->size;
1224
1225 build_id_size = compute_build_id_size (t->build_id.style);
1226 build_id = xmalloc (build_id_size);
1227 generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
1228
1229 bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
1230
1231 /* Construct a debug directory entry which points to an immediately following CodeView record. */
1232 struct internal_IMAGE_DEBUG_DIRECTORY idd;
1233 idd.Characteristics = 0;
1234 idd.TimeDateStamp = 0;
1235 idd.MajorVersion = 0;
1236 idd.MinorVersion = 0;
1237 idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
1238 idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
1239 idd.AddressOfRawData = asec->vma - ib + link_order->offset
1240 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1241 idd.PointerToRawData = asec->filepos + link_order->offset
1242 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1243
1244 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
1245 _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
1246
1247 /* Write the debug directory entry. */
1248 if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
1249 return 0;
1250
b6518b38 1251 if (bfd_bwrite (contents, size, abfd) != size)
61e2488c
JT
1252 return 0;
1253
1254 /* Construct the CodeView record. */
1255 CODEVIEW_INFO cvinfo;
1256 cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
1257 cvinfo.Age = 1;
1258
1259 /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
1260 memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
1261 memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
1262 ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
1263
1264 free (build_id);
1265
1266 /* Write the codeview record. */
1267 if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
1268 return 0;
1269
1270 /* Record the location of the debug directory in the data directory. */
1271 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
1272 = asec->vma - ib + link_order->offset;
1273 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
1274 = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1275
1276 return TRUE;
1277}
1278
74fffc39 1279/* Make .buildid section, and set up coff_tdata->build_id. */
61e2488c
JT
1280static bfd_boolean
1281setup_build_id (bfd *ibfd)
1282{
1283 asection *s;
1284 flagword flags;
1285
1286 if (!validate_build_id_style (emit_build_id))
1287 {
df5f2391 1288 einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
61e2488c
JT
1289 return FALSE;
1290 }
1291
1292 flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1293 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
74fffc39 1294 s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
61e2488c
JT
1295 if (s != NULL)
1296 {
1297 struct pe_tdata *t = pe_data (link_info.output_bfd);
1298 t->build_id.after_write_object_contents = &write_build_id;
1299 t->build_id.style = emit_build_id;
1300 t->build_id.sec = s;
1301
1302 /* Section is a fixed size:
1303 One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
1304 pointing at a CV_INFO_PDB70 record containing the build-id, with a
1305 null byte for PdbFileName. */
1306 s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
1307 + sizeof (CV_INFO_PDB70) + 1;
1308
1309 return TRUE;
1310 }
1311
df5f2391
AM
1312 einfo (_("%P: warning: cannot create .buildid section,"
1313 " --build-id ignored\n"));
61e2488c
JT
1314 return FALSE;
1315}
1316
252b5132 1317static void
0c7a8e5a 1318gld_${EMULATION_NAME}_after_open (void)
252b5132 1319{
5c3049d2
AM
1320 after_open_default ();
1321
4b83d615 1322#ifdef DLL_SUPPORT
3fc90ddb 1323 if (pe_dll_extra_pe_debug)
decc3638
CW
1324 {
1325 bfd *a;
1326 struct bfd_link_hash_entry *sym;
c9e38879 1327
decc3638
CW
1328 printf ("%s()\n", __FUNCTION__);
1329
f6e332e6 1330 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1331 printf ("-%s\n", sym->root.string);
0c7a8e5a 1332 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638 1333
c72f2fb2 1334 for (a = link_info.input_bfds; a; a = a->link.next)
c9e38879 1335 printf ("*%s\n",a->filename);
decc3638 1336 }
4b83d615 1337#endif
3fc90ddb 1338
61e2488c
JT
1339 if (emit_build_id != NULL)
1340 {
1341 bfd *abfd;
1342
1343 /* Find a COFF input. */
1344 for (abfd = link_info.input_bfds;
c72f2fb2 1345 abfd != (bfd *) NULL; abfd = abfd->link.next)
61e2488c
JT
1346 if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1347 break;
1348
1349 /* If there are no COFF input files do not try to
1350 add a build-id section. */
1351 if (abfd == NULL
1352 || !setup_build_id (abfd))
1353 {
1354 free ((char *) emit_build_id);
1355 emit_build_id = NULL;
1356 }
1357 }
1358
252b5132
RH
1359 /* Pass the wacky PE command line options into the output bfd.
1360 FIXME: This should be done via a function, rather than by
1361 including an internal BFD header. */
3fc90ddb 1362
eabf307f
AM
1363 if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour
1364 || coff_data (link_info.output_bfd) == NULL
f13a99db 1365 || coff_data (link_info.output_bfd)->pe == 0)
df5f2391 1366 einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"),
f13a99db 1367 link_info.output_bfd);
252b5132 1368
f13a99db
AM
1369 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1370 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1371 pe_data (link_info.output_bfd)->real_flags |= real_flags;
0cb112f7 1372 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
3efd345c
DK
1373
1374 /* At this point we must decide whether to use long section names
1375 in the output or not. If the user hasn't explicitly specified
1376 on the command line, we leave it to the default for the format
1377 (object files yes, image files no), except if there is debug
1378 information present; GDB relies on the long section names to
1379 find it, so enable it in that case. */
1380 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1381 {
0e1862bb 1382 if (bfd_link_relocatable (&link_info))
61e2488c
JT
1383 pe_use_coff_long_section_names = 1;
1384 else
3efd345c 1385 {
61e2488c
JT
1386 /* Iterate over all sections of all input BFDs, checking
1387 for any that begin 'debug_' and are long names. */
1388 LANG_FOR_EACH_INPUT_STATEMENT (is)
1389 {
1390 int found_debug = 0;
1391
1392 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1393 if (found_debug)
1394 {
1395 pe_use_coff_long_section_names = 1;
1396 break;
1397 }
1398 }
3efd345c
DK
1399 }
1400 }
1401
88183869 1402 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1403
c6c37250 1404#ifdef DLL_SUPPORT
f13a99db 1405 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1406
317ff008
EB
1407 if (link_info.pei386_auto_import) /* -1=warn or 1=enable */
1408 pe_find_data_imports (U ("_head_"), make_import_fixup);
decc3638 1409
317ff008
EB
1410 /* The implementation of the feature is rather dumb and would cause the
1411 compilation time to go through the roof if there are many undefined
1412 symbols in the link, so it needs to be run after auto-import. */
1413 if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */
8a9eab9b
KT
1414 pe_fixup_stdcalls ();
1415
7148cc28
NC
1416#if defined (TARGET_IS_i386pe) \
1417 || defined (TARGET_IS_armpe) \
7148cc28 1418 || defined (TARGET_IS_arm_wince_pe)
0e1862bb 1419 if (!bfd_link_relocatable (&link_info))
f13a99db 1420 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28 1421#else
0e1862bb 1422 if (bfd_link_pic (&link_info))
f13a99db 1423 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1424 else
1425 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1426#endif
7148cc28 1427#endif /* DLL_SUPPORT */
252b5132 1428
ddb00039 1429#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1430 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1431 {
1432 /* The arm backend needs special fields in the output hash structure.
1433 These will only be created if the output format is an arm format,
1434 hence we do not support linking and changing output formats at the
1435 same time. Use a link followed by objcopy to change output formats. */
df5f2391
AM
1436 einfo (_("%F%P: error: cannot change output format "
1437 "whilst linking %s binaries\n"), "ARM");
f11523b0
NC
1438 return;
1439 }
252b5132
RH
1440 {
1441 /* Find a BFD that can hold the interworking stubs. */
1442 LANG_FOR_EACH_INPUT_STATEMENT (is)
1443 {
7148cc28 1444 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1445 break;
1446 }
1447 }
1448#endif
c6c37250 1449
486e80e2 1450 {
486e80e2
DD
1451 /* This next chunk of code tries to detect the case where you have
1452 two import libraries for the same DLL (specifically,
1453 symbolically linking libm.a and libc.a in cygwin to
1454 libcygwin.a). In those cases, it's possible for function
1455 thunks from the second implib to be used but without the
1456 head/tail objects, causing an improper import table. We detect
1457 those cases and rename the "other" import libraries to match
1458 the one the head/tail come from, so that the linker will sort
4cd89863 1459 things nicely and produce a valid import table. */
486e80e2
DD
1460
1461 LANG_FOR_EACH_INPUT_STATEMENT (is)
1462 {
1463 if (is->the_bfd->my_archive)
1464 {
1465 int idata2 = 0, reloc_count=0, is_imp = 0;
1466 asection *sec;
3fc90ddb 1467
6e45556a 1468 /* See if this is an import library thunk. */
486e80e2
DD
1469 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1470 {
1471 if (strcmp (sec->name, ".idata\$2") == 0)
1472 idata2 = 1;
0112cd26 1473 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1474 is_imp = 1;
1475 reloc_count += sec->reloc_count;
1476 }
3fc90ddb 1477
486e80e2
DD
1478 if (is_imp && !idata2 && reloc_count)
1479 {
6e45556a
NC
1480 /* It is, look for the reference to head and see if it's
1481 from our own library. */
486e80e2
DD
1482 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1483 {
1484 int i;
6e45556a 1485 long relsize;
102c86f8 1486 asymbol **symbols;
102c86f8
NC
1487 arelent **relocs;
1488 int nrelocs;
3fc90ddb 1489
102c86f8 1490 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1491 if (relsize < 1)
1492 break;
3fc90ddb 1493
5c1d2f5f 1494 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1495 {
df5f2391 1496 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f 1497 is->the_bfd);
6e45556a
NC
1498 return;
1499 }
5c1d2f5f 1500 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1501
d127ecce 1502 relocs = xmalloc ((size_t) relsize);
102c86f8 1503 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1504 relocs, symbols);
6e45556a
NC
1505 if (nrelocs < 0)
1506 {
1507 free (relocs);
d003af55 1508 einfo (_("%X%P: unable to process relocs: %E\n"));
6e45556a
NC
1509 return;
1510 }
3fc90ddb 1511
6e45556a 1512 for (i = 0; i < nrelocs; i++)
486e80e2 1513 {
fc0a2244 1514 struct bfd_symbol *s;
6e45556a 1515 struct bfd_link_hash_entry * blhe;
b16c44de 1516 const char *other_bfd_filename;
6e45556a 1517 char *n;
3fc90ddb 1518
486e80e2 1519 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1520
6e45556a
NC
1521 if (s->flags & BSF_LOCAL)
1522 continue;
3fc90ddb 1523
6e45556a
NC
1524 /* Thunk section with reloc to another bfd. */
1525 blhe = bfd_link_hash_lookup (link_info.hash,
1526 s->name,
b34976b6 1527 FALSE, FALSE, TRUE);
3fc90ddb 1528
6e45556a
NC
1529 if (blhe == NULL
1530 || blhe->type != bfd_link_hash_defined)
1531 continue;
3fc90ddb 1532
2a08daf3
DS
1533 other_bfd_filename
1534 = blhe->u.def.section->owner->my_archive
1535 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1536 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1537
42627821
KT
1538 if (filename_cmp (bfd_get_filename
1539 (is->the_bfd->my_archive),
1540 other_bfd_filename) == 0)
6e45556a 1541 continue;
3fc90ddb 1542
c034e3e0 1543 /* Rename this implib to match the other one. */
2a08daf3
DS
1544 n = xmalloc (strlen (other_bfd_filename) + 1);
1545 strcpy (n, other_bfd_filename);
90d92a63 1546 bfd_set_filename (is->the_bfd->my_archive, n);
486e80e2
DD
1547 }
1548
1549 free (relocs);
6e45556a
NC
1550 /* Note - we do not free the symbols,
1551 they are now cached in the BFD. */
486e80e2
DD
1552 }
1553 }
1554 }
1555 }
1556 }
1557
c6c37250 1558 {
f0c87f88 1559 int is_ms_arch = 0;
1069dd8d 1560 bfd *cur_arch = 0;
c6c37250 1561 lang_input_statement_type *is2;
44dbf363 1562 lang_input_statement_type *is3;
1069dd8d 1563
c6c37250
DD
1564 /* Careful - this is a shell script. Watch those dollar signs! */
1565 /* Microsoft import libraries have every member named the same,
1566 and not in the right order for us to link them correctly. We
1567 must detect these and rename the members so that they'll link
1568 correctly. There are three types of objects: the head, the
1569 thunks, and the sentinel(s). The head is easy; it's the one
1570 with idata2. We assume that the sentinels won't have relocs,
1571 and the thunks will. It's easier than checking the symbol
1069dd8d 1572 table for external references. */
c6c37250
DD
1573 LANG_FOR_EACH_INPUT_STATEMENT (is)
1574 {
1575 if (is->the_bfd->my_archive)
1576 {
44dbf363 1577 char *pnt;
c6c37250 1578 bfd *arch = is->the_bfd->my_archive;
44dbf363 1579
c6c37250
DD
1580 if (cur_arch != arch)
1581 {
1582 cur_arch = arch;
1583 is_ms_arch = 1;
44dbf363
NC
1584
1585 for (is3 = is;
1586 is3 && is3->the_bfd->my_archive == arch;
1587 is3 = (lang_input_statement_type *) is3->next)
1588 {
1af699f4 1589 /* A MS dynamic import library can also contain static
44dbf363
NC
1590 members, so look for the first element with a .dll
1591 extension, and use that for the remainder of the
1592 comparisons. */
1593 pnt = strrchr (is3->the_bfd->filename, '.');
42627821 1594 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
ff71f4f7 1595 break;
44dbf363
NC
1596 }
1597
1598 if (is3 == NULL)
1599 is_ms_arch = 0;
1600 else
c6c37250 1601 {
44dbf363
NC
1602 /* OK, found one. Now look to see if the remaining
1603 (dynamic import) members use the same name. */
1604 for (is2 = is;
1605 is2 && is2->the_bfd->my_archive == arch;
1606 is2 = (lang_input_statement_type *) is2->next)
1607 {
1608 /* Skip static members, ie anything with a .obj
1609 extension. */
1610 pnt = strrchr (is2->the_bfd->filename, '.');
42627821 1611 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
44dbf363
NC
1612 continue;
1613
42627821
KT
1614 if (filename_cmp (is3->the_bfd->filename,
1615 is2->the_bfd->filename))
44dbf363
NC
1616 {
1617 is_ms_arch = 0;
1618 break;
1619 }
1620 }
c6c37250
DD
1621 }
1622 }
1623
44dbf363
NC
1624 /* This fragment might have come from an .obj file in a Microsoft
1625 import, and not an actual import record. If this is the case,
1626 then leave the filename alone. */
1627 pnt = strrchr (is->the_bfd->filename, '.');
1628
42627821 1629 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
c6c37250 1630 {
1069dd8d 1631 int idata2 = 0, reloc_count=0;
c6c37250
DD
1632 asection *sec;
1633 char *new_name, seq;
1069dd8d 1634
c6c37250
DD
1635 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1636 {
1637 if (strcmp (sec->name, ".idata\$2") == 0)
1638 idata2 = 1;
1639 reloc_count += sec->reloc_count;
1640 }
1641
1642 if (idata2) /* .idata2 is the TOC */
1643 seq = 'a';
1644 else if (reloc_count > 0) /* thunks */
1645 seq = 'b';
1646 else /* sentinel */
1647 seq = 'c';
1648
e4e24acb 1649 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250 1650 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
90d92a63 1651 bfd_set_filename (is->the_bfd, new_name);
c6c37250 1652
690a460e 1653 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1654 sprintf (new_name, "%s.%c", is->filename, seq);
1655 is->filename = new_name;
1656 }
1657 }
1658 }
1659 }
54727719
NC
1660
1661 {
1662 /* The following chunk of code tries to identify jump stubs in
1663 import libraries which are dead code and eliminates them
1664 from the final link. For each exported symbol <sym>, there
1665 is a object file in the import library with a .text section
d34c1c51 1666 and several .idata\$* sections. The .text section contains the
54727719 1667 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1668 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1669 for __imp_<sym> which is the address of the slot for <sym> in
1670 the import address table. When a symbol is imported explicitly
1671 using __declspec(dllimport) declaration, the compiler generates
1672 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1673 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1674 needed. The following code tries to identify jump stub sections
1675 in import libraries which are not referred to by anyone and
1676 marks them for exclusion from the final link. */
1677 LANG_FOR_EACH_INPUT_STATEMENT (is)
1678 {
1679 if (is->the_bfd->my_archive)
1680 {
1681 int is_imp = 0;
1682 asection *sec, *stub_sec = NULL;
1683
1684 /* See if this is an import library thunk. */
1685 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1686 {
1687 if (strncmp (sec->name, ".idata\$", 7) == 0)
1688 is_imp = 1;
1689 /* The section containing the jmp stub has code
1690 and has a reloc. */
1691 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1692 stub_sec = sec;
1693 }
92b93329 1694
54727719
NC
1695 if (is_imp && stub_sec)
1696 {
54727719 1697 asymbol **symbols;
5c1d2f5f 1698 long nsyms, src_count;
54727719
NC
1699 struct bfd_link_hash_entry * blhe;
1700
5c1d2f5f
AM
1701 if (!bfd_generic_link_read_symbols (is->the_bfd))
1702 {
df5f2391 1703 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f
AM
1704 is->the_bfd);
1705 return;
1706 }
1707 symbols = bfd_get_outsymbols (is->the_bfd);
1708 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1709
5c1d2f5f 1710 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1711 {
1712 if (symbols[src_count]->section->id == stub_sec->id)
1713 {
1714 /* This symbol belongs to the section containing
1715 the stub. */
1716 blhe = bfd_link_hash_lookup (link_info.hash,
1717 symbols[src_count]->name,
1718 FALSE, FALSE, TRUE);
1719 /* If the symbol in the stub section has no other
1720 undefined references, exclude the stub section
1721 from the final link. */
e0605dbe
AM
1722 if (blhe != NULL
1723 && blhe->type == bfd_link_hash_defined
1724 && blhe->u.undef.next == NULL
1725 && blhe != link_info.hash->undefs_tail)
54727719
NC
1726 stub_sec->flags |= SEC_EXCLUDE;
1727 }
1728 }
54727719
NC
1729 }
1730 }
1731 }
1732 }
252b5132
RH
1733}
1734\f
3fc90ddb 1735static void
0c7a8e5a 1736gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1737{
1738#ifdef TARGET_IS_ppcpe
c9e38879 1739 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1740 {
1741 LANG_FOR_EACH_INPUT_STATEMENT (is)
1742 {
1743 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1744 {
1745 /* xgettext:c-format */
df5f2391 1746 einfo (_("%P: errors encountered processing file %s\n"), is->filename);
252b5132
RH
1747 }
1748 }
1749 }
1750
c9e38879 1751 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1752 ppc_allocate_toc_section (&link_info);
1753#endif /* TARGET_IS_ppcpe */
1754
ddb00039 1755#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1756 /* FIXME: we should be able to set the size of the interworking stub
1757 section.
1758
1759 Here we rummage through the found bfds to collect glue
1760 information. FIXME: should this be based on a command line
c9e38879 1761 option? krk@cygnus.com. */
252b5132
RH
1762 {
1763 LANG_FOR_EACH_INPUT_STATEMENT (is)
1764 {
7148cc28 1765 if (! bfd_arm_process_before_allocation
252b5132
RH
1766 (is->the_bfd, & link_info, support_old_code))
1767 {
1768 /* xgettext:c-format */
df5f2391 1769 einfo (_("%P: errors encountered processing file %s for interworking\n"),
252b5132
RH
1770 is->filename);
1771 }
1772 }
1773 }
1774
c9e38879 1775 /* We have seen it all. Allocate it, and carry on. */
7148cc28 1776 bfd_arm_allocate_interworking_sections (& link_info);
ddb00039 1777#endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */
8423293d 1778
1e035701 1779 before_allocation_default ();
252b5132
RH
1780}
1781\f
690a460e 1782#ifdef DLL_SUPPORT
252b5132 1783/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1784 check here for .DEF files and pull them in automatically. */
690a460e 1785
252b5132 1786static int
0c7a8e5a 1787saw_option (char *option)
252b5132
RH
1788{
1789 int i;
c9e38879
NC
1790
1791 for (i = 0; init[i].ptr; i++)
522f09cd 1792 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
252b5132
RH
1793 return init[i].inited;
1794 return 0;
1795}
690a460e 1796#endif /* DLL_SUPPORT */
252b5132 1797
b34976b6 1798static bfd_boolean
0c7a8e5a 1799gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1800{
c6c37250 1801#ifdef DLL_SUPPORT
252b5132
RH
1802 const char *ext = entry->filename + strlen (entry->filename) - 4;
1803
42627821 1804 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
252b5132 1805 {
f2d3750d 1806 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1807
1808 if (pe_def_file)
252b5132 1809 {
c9e38879
NC
1810 int i, buflen=0, len;
1811 char *buf;
252b5132 1812
c9e38879 1813 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1814 {
939ba9d0 1815 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1816 if (buflen < len + 2)
1817 buflen = len + 2;
252b5132 1818 }
252b5132 1819
d127ecce 1820 buf = xmalloc (buflen);
252b5132 1821
c9e38879
NC
1822 for (i = 0; i < pe_def_file->num_exports; i++)
1823 {
1824 struct bfd_link_hash_entry *h;
1825
522f09cd 1826 sprintf (buf, "%s%s", U (""),
6c19b93b 1827 pe_def_file->exports[i].internal_name);
c9e38879 1828
b34976b6 1829 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879 1830 if (h == (struct bfd_link_hash_entry *) NULL)
df5f2391 1831 einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n"));
c9e38879
NC
1832 if (h->type == bfd_link_hash_new)
1833 {
1834 h->type = bfd_link_hash_undefined;
1835 h->u.undef.abfd = NULL;
1836 bfd_link_add_undef (link_info.hash, h);
1837 }
1838 }
1839 free (buf);
1840
1841 /* def_file_print (stdout, pe_def_file); */
1842 if (pe_def_file->is_dll == 1)
64d94ba0 1843 link_info.type = type_dll;
c9e38879
NC
1844
1845 if (pe_def_file->base_address != (bfd_vma)(-1))
1846 {
f13a99db
AM
1847 pe.ImageBase
1848 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1849 = init[IMAGEBASEOFF].value
1850 = pe_def_file->base_address;
c9e38879
NC
1851 init[IMAGEBASEOFF].inited = 1;
1852 if (image_base_statement)
eb8476a6
MR
1853 image_base_statement->exp
1854 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1855 FALSE);
c9e38879 1856 }
252b5132 1857
c9e38879
NC
1858 if (pe_def_file->stack_reserve != -1
1859 && ! saw_option ("__size_of_stack_reserve__"))
1860 {
1861 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1862 if (pe_def_file->stack_commit != -1)
1863 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1864 }
1865 if (pe_def_file->heap_reserve != -1
1866 && ! saw_option ("__size_of_heap_reserve__"))
1867 {
1868 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1869 if (pe_def_file->heap_commit != -1)
1870 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1871 }
b34976b6 1872 return TRUE;
c9e38879 1873 }
252b5132 1874 }
252b5132 1875#endif
b34976b6 1876 return FALSE;
252b5132
RH
1877}
1878
b34976b6 1879static bfd_boolean
0c7a8e5a 1880gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1881{
c6c37250 1882#ifdef DLL_SUPPORT
252b5132 1883#ifdef TARGET_IS_i386pe
c6c37250 1884 pe_dll_id_target ("pei-i386");
344a211f
NC
1885#endif
1886#ifdef TARGET_IS_shpe
1887 pe_dll_id_target ("pei-shl");
1888#endif
344a211f
NC
1889#ifdef TARGET_IS_armpe
1890 pe_dll_id_target ("pei-arm-little");
7148cc28 1891#endif
7148cc28
NC
1892#ifdef TARGET_IS_arm_wince_pe
1893 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 1894#endif
ff2bdb9c
CF
1895 if (pe_bfd_is_dll (entry->the_bfd))
1896 return pe_implied_import_dll (entry->filename);
252b5132 1897#endif
b34976b6 1898 return FALSE;
252b5132
RH
1899}
1900
1901static void
0c7a8e5a 1902gld_${EMULATION_NAME}_finish (void)
252b5132 1903{
ddb00039 1904#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
1905 struct bfd_link_hash_entry * h;
1906
1907 if (thumb_entry_symbol != NULL)
1908 {
b34976b6
AM
1909 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1910 FALSE, FALSE, TRUE);
3fc90ddb 1911
6f798e5c
NC
1912 if (h != (struct bfd_link_hash_entry *) NULL
1913 && (h->type == bfd_link_hash_defined
1914 || h->type == bfd_link_hash_defweak)
1915 && h->u.def.section->output_section != NULL)
1916 {
1917 static char buffer[32];
1918 bfd_vma val;
3fc90ddb 1919
6f798e5c
NC
1920 /* Special procesing is required for a Thumb entry symbol. The
1921 bottom bit of its address must be set. */
1922 val = (h->u.def.value
fd361982 1923 + bfd_section_vma (h->u.def.section->output_section)
6f798e5c 1924 + h->u.def.section->output_offset);
3fc90ddb 1925
6f798e5c 1926 val |= 1;
3fc90ddb 1927
6f798e5c
NC
1928 /* Now convert this value into a string and store it in entry_symbol
1929 where the lang_finish() function will pick it up. */
1930 buffer[0] = '0';
1931 buffer[1] = 'x';
3fc90ddb 1932
6f798e5c 1933 sprintf_vma (buffer + 2, val);
3fc90ddb 1934
e3e942e9 1935 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1936 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
1937 thumb_entry_symbol, entry_symbol.name);
1938 entry_symbol.name = buffer;
6f798e5c
NC
1939 }
1940 else
c58dea77 1941 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 1942 }
ddb00039 1943#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 1944
1e035701
AM
1945 finish_default ();
1946
c6c37250 1947#ifdef DLL_SUPPORT
0e1862bb 1948 if (bfd_link_pic (&link_info)
e8044f35 1949#if !defined(TARGET_IS_shpe)
0e1862bb
L
1950 || (!bfd_link_relocatable (&link_info)
1951 && pe_def_file->num_exports != 0)
2b817be1
NC
1952#endif
1953 )
252b5132 1954 {
f13a99db 1955 pe_dll_fill_sections (link_info.output_bfd, &link_info);
76359541
TP
1956 if (command_line.out_implib_filename)
1957 pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename,
1958 &link_info);
252b5132 1959 }
e8044f35 1960#if defined(TARGET_IS_shpe)
690a460e 1961 /* ARM doesn't need relocs. */
344a211f
NC
1962 else
1963 {
f13a99db 1964 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
1965 }
1966#endif
3fc90ddb 1967
252b5132
RH
1968 if (pe_out_def_filename)
1969 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1970#endif /* DLL_SUPPORT */
decc3638 1971
c9e38879 1972 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 1973 {
f13a99db 1974 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 1975
decc3638
CW
1976 if (asec)
1977 {
1af699f4
AM
1978 asec->flags &= ~SEC_CODE;
1979 asec->flags |= SEC_DATA;
decc3638
CW
1980 }
1981 }
252b5132
RH
1982}
1983
1984\f
1985/* Place an orphan section.
1986
1987 We use this to put sections in a reasonable place in the file, and
1988 to ensure that they are aligned as required.
1989
d34c1c51 1990 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
1991 goes into the output section .foo. All grouped sections are sorted
1992 by name.
1993
1994 Grouped sections for the default sections are handled by the
1995 default linker script using wildcards, and are sorted by
1996 sort_sections. */
1997
c2edb4b8 1998static lang_output_section_statement_type *
8a99a385
AM
1999gld_${EMULATION_NAME}_place_orphan (asection *s,
2000 const char *secname,
2001 int constraint)
252b5132 2002{
bcacc0f5 2003 const char *orig_secname = secname;
f0c87f88 2004 char *dollar = NULL;
aea4bd9d 2005 lang_output_section_statement_type *os;
5ba47421 2006 lang_statement_list_type add_child;
b5f14a6d 2007 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 2008 lang_statement_union_type **pl;
252b5132 2009
252b5132 2010 /* Look through the script to see where to place this section. */
0e1862bb 2011 if (!bfd_link_relocatable (&link_info)
d34c1c51 2012 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 2013 {
bcacc0f5 2014 size_t len = dollar - secname;
afd7a018 2015 char *newname = xmalloc (len + 1);
bcacc0f5 2016 memcpy (newname, secname, len);
afd7a018
AM
2017 newname[len] = '\0';
2018 secname = newname;
6eec49fc 2019 }
252b5132 2020
5ba47421
AM
2021 lang_list_init (&add_child);
2022
d127ecce
AM
2023 os = NULL;
2024 if (constraint == 0)
2025 for (os = lang_output_section_find (secname);
2026 os != NULL;
2027 os = next_matching_output_section_statement (os, 0))
2028 {
2029 /* If we don't match an existing output section, tell
2030 lang_insert_orphan to create a new output section. */
2031 constraint = SPECIAL;
2032
2033 if (os->bfd_section != NULL
2034 && (os->bfd_section->flags == 0
2035 || ((s->flags ^ os->bfd_section->flags)
2036 & (SEC_LOAD | SEC_ALLOC)) == 0))
2037 {
2038 /* We already have an output section statement with this
2039 name, and its bfd section has compatible flags.
2040 If the section already exists but does not have any flags set,
2041 then it has been created by the linker, probably as a result of
2042 a --section-start command line switch. */
b9c361e0 2043 lang_add_section (&add_child, s, NULL, os);
d127ecce
AM
2044 break;
2045 }
b5f14a6d
DD
2046
2047 /* Save unused output sections in case we can match them
2048 against orphans later. */
2049 if (os->bfd_section == NULL)
2050 match_by_name = os;
d127ecce
AM
2051 }
2052
b5f14a6d
DD
2053 /* If we didn't match an active output section, see if we matched an
2054 unused one and use that. */
2055 if (os == NULL && match_by_name)
2056 {
b9c361e0 2057 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
2058 return match_by_name;
2059 }
2060
d127ecce 2061 if (os == NULL)
252b5132 2062 {
afd7a018
AM
2063 static struct orphan_save hold[] =
2064 {
2065 { ".text",
2066 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2067 0, 0, 0, 0 },
d4874973
KT
2068 { ".idata",
2069 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2070 0, 0, 0, 0 },
afd7a018
AM
2071 { ".rdata",
2072 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2073 0, 0, 0, 0 },
2074 { ".data",
2075 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2076 0, 0, 0, 0 },
2077 { ".bss",
2078 SEC_ALLOC,
2079 0, 0, 0, 0 }
2080 };
2081 enum orphan_save_index
2082 {
2083 orphan_text = 0,
d4874973 2084 orphan_idata,
afd7a018
AM
2085 orphan_rodata,
2086 orphan_data,
2087 orphan_bss
2088 };
2089 static int orphan_init_done = 0;
6a345e87 2090 struct orphan_save *place;
afd7a018 2091 lang_output_section_statement_type *after;
252b5132 2092 etree_type *address;
93638471
AM
2093 flagword flags;
2094 asection *nexts;
afd7a018
AM
2095
2096 if (!orphan_init_done)
2097 {
2098 struct orphan_save *ho;
2099 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2100 if (ho->name != NULL)
2101 {
2102 ho->os = lang_output_section_find (ho->name);
2103 if (ho->os != NULL && ho->os->flags == 0)
2104 ho->os->flags = ho->flags;
2105 }
2106 orphan_init_done = 1;
2107 }
252b5132 2108
523f4c92
L
2109 flags = s->flags;
2110 if (!bfd_link_relocatable (&link_info))
2111 {
2112 nexts = s;
2113 while ((nexts = bfd_get_next_section_by_name (nexts->owner,
2114 nexts)))
2115 if (nexts->output_section == NULL
2116 && (nexts->flags & SEC_EXCLUDE) == 0
2117 && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
2118 && (nexts->owner->flags & DYNAMIC) == 0
00f93c44 2119 && !bfd_input_just_syms (nexts->owner))
523f4c92
L
2120 flags = (((flags ^ SEC_READONLY)
2121 | (nexts->flags ^ SEC_READONLY))
2122 ^ SEC_READONLY);
2123 }
2124
252b5132
RH
2125 /* Try to put the new output section in a reasonable place based
2126 on the section name and section flags. */
aea4bd9d 2127
252b5132 2128 place = NULL;
93638471 2129 if ((flags & SEC_ALLOC) == 0)
5ba47421 2130 ;
93638471 2131 else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
afd7a018 2132 place = &hold[orphan_bss];
93638471 2133 else if ((flags & SEC_READONLY) == 0)
afd7a018 2134 place = &hold[orphan_data];
93638471 2135 else if ((flags & SEC_CODE) == 0)
d4874973
KT
2136 {
2137 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2138 : &hold[orphan_rodata]);
2139 }
1af699f4 2140 else
afd7a018 2141 place = &hold[orphan_text];
1af699f4 2142
afd7a018 2143 after = NULL;
1af699f4
AM
2144 if (place != NULL)
2145 {
afd7a018
AM
2146 if (place->os == NULL)
2147 place->os = lang_output_section_find (place->name);
2148 after = place->os;
2149 if (after == NULL)
93638471
AM
2150 after = lang_output_section_find_by_flags (s, flags, &place->os,
2151 NULL);
afd7a018
AM
2152 if (after == NULL)
2153 /* *ABS* is always the first output section statement. */
8ce18f9c 2154 after = (void *) lang_os_list.head;
252b5132
RH
2155 }
2156
4bf0cafb
DK
2157 /* All sections in an executable must be aligned to a page boundary.
2158 In a relocatable link, just preserve the incoming alignment; the
2159 address is discarded by lang_insert_orphan in that case, anyway. */
afd7a018 2160 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
2161 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2162 &add_child);
0e1862bb 2163 if (bfd_link_relocatable (&link_info))
4bf0cafb 2164 {
3d9c8f6b 2165 os->section_alignment = exp_intop (1U << s->alignment_power);
4bf0cafb
DK
2166 os->bfd_section->alignment_power = s->alignment_power;
2167 }
252b5132
RH
2168 }
2169
011aa75f
AM
2170 /* If the section name has a '\$', sort it with the other '\$'
2171 sections. */
2172 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2173 {
2174 lang_input_section_type *ls;
2175 const char *lname;
252b5132 2176
011aa75f
AM
2177 if ((*pl)->header.type != lang_input_section_enum)
2178 continue;
252b5132 2179
011aa75f 2180 ls = &(*pl)->input_section;
252b5132 2181
fd361982 2182 lname = bfd_section_name (ls->section);
011aa75f
AM
2183 if (strchr (lname, '\$') != NULL
2184 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2185 break;
2186 }
5ba47421 2187
011aa75f
AM
2188 if (add_child.head != NULL)
2189 {
2190 *add_child.tail = *pl;
2191 *pl = add_child.head;
2192 }
252b5132 2193
c2edb4b8 2194 return os;
252b5132
RH
2195}
2196
b34976b6 2197static bfd_boolean
0c7a8e5a 2198gld_${EMULATION_NAME}_open_dynamic_archive
d127ecce
AM
2199 (const char *arch ATTRIBUTE_UNUSED,
2200 search_dirs_type *search,
0c7a8e5a 2201 lang_input_statement_type *entry)
690a460e 2202{
45e948fe
NC
2203 static const struct
2204 {
2205 const char * format;
2206 bfd_boolean use_prefix;
2207 }
2208 libname_fmt [] =
2209 {
2210 /* Preferred explicit import library for dll's. */
2211 { "lib%s.dll.a", FALSE },
2212 /* Alternate explicit import library for dll's. */
2213 { "%s.dll.a", FALSE },
2214 /* "libfoo.a" could be either an import lib or a static lib.
6c19b93b
AM
2215 For backwards compatibility, libfoo.a needs to precede
2216 libfoo.dll and foo.dll in the search. */
45e948fe 2217 { "lib%s.a", FALSE },
92b93329 2218 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe 2219 { "%s.lib", FALSE },
f6c4d4b1
NC
2220 /* PR 22948 - Check for an import library. */
2221 { "lib%s.lib", FALSE },
45e948fe
NC
2222#ifdef DLL_SUPPORT
2223 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2224 { "%s%s.dll", TRUE },
2225#endif
2226 /* Try "libfoo.dll" (default preferred dll name). */
2227 { "lib%s.dll", FALSE },
2228 /* Finally try 'native' dll name "foo.dll". */
2229 { "%s.dll", FALSE },
2230 /* Note: If adding more formats to this table, make sure to check to
2231 see if their length is longer than libname_fmt[0].format, and if
2232 so, update the call to xmalloc() below. */
2233 { NULL, FALSE }
2234 };
b1d9458a 2235 static unsigned int format_max_len = 0;
690a460e 2236 const char * filename;
45e948fe
NC
2237 char * full_string;
2238 char * base_string;
2239 unsigned int i;
2240
690a460e 2241
d4ae5fb0 2242 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
b34976b6 2243 return FALSE;
690a460e
NC
2244
2245 filename = entry->filename;
2246
b1d9458a
NC
2247 if (format_max_len == 0)
2248 /* We need to allow space in the memory that we are going to allocate
2249 for the characters in the format string. Since the format array is
2250 static we only need to calculate this information once. In theory
2251 this value could also be computed statically, but this introduces
2252 the possibility for a discrepancy and hence a possible memory
2253 corruption. The lengths we compute here will be too long because
2254 they will include any formating characters (%s) in the strings, but
2255 this will not matter. */
2256 for (i = 0; libname_fmt[i].format; i++)
2257 if (format_max_len < strlen (libname_fmt[i].format))
2258 format_max_len = strlen (libname_fmt[i].format);
2259
45e948fe
NC
2260 full_string = xmalloc (strlen (search->name)
2261 + strlen (filename)
b1d9458a 2262 + format_max_len
b9a69188 2263#ifdef DLL_SUPPORT
45e948fe
NC
2264 + (pe_dll_search_prefix
2265 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 2266#endif
b1d9458a
NC
2267 /* Allow for the terminating NUL and for the path
2268 separator character that is inserted between
2269 search->name and the start of the format string. */
2270 + 2);
690a460e 2271
45e948fe
NC
2272 sprintf (full_string, "%s/", search->name);
2273 base_string = full_string + strlen (full_string);
690a460e 2274
45e948fe 2275 for (i = 0; libname_fmt[i].format; i++)
690a460e 2276 {
92b93329 2277#ifdef DLL_SUPPORT
45e948fe 2278 if (libname_fmt[i].use_prefix)
1af699f4 2279 {
45e948fe
NC
2280 if (!pe_dll_search_prefix)
2281 continue;
2282 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2283 }
45e948fe
NC
2284 else
2285#endif
2286 sprintf (base_string, libname_fmt[i].format, filename);
2287
2288 if (ldfile_try_open_bfd (full_string, entry))
2289 break;
2290 }
2291
2292 if (!libname_fmt[i].format)
2293 {
2294 free (full_string);
2295 return FALSE;
690a460e 2296 }
602e90d3 2297
45e948fe 2298 entry->filename = full_string;
690a460e 2299
b34976b6 2300 return TRUE;
690a460e
NC
2301}
2302
344a211f 2303static int
0c7a8e5a
AM
2304gld_${EMULATION_NAME}_find_potential_libraries
2305 (char *name, lang_input_statement_type *entry)
344a211f
NC
2306{
2307 return ldfile_open_file_search (name, entry, "", ".lib");
2308}
252b5132
RH
2309\f
2310static char *
0c7a8e5a 2311gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2312EOF
2313# Scripts compiled in.
2314# sed commands to quote an ld script as a C string.
597e2591 2315sc="-f stringify.sed"
252b5132 2316
92b93329 2317fragment <<EOF
3fc90ddb 2318{
252b5132
RH
2319 *isfile = 0;
2320
0e1862bb 2321 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
2322 return
2323EOF
1af699f4 2324sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 2325echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
1af699f4
AM
2326sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2327echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2328sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2329echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2330sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0 2331if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
ca5f2203 2332echo ' ; 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
2333sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2334fi
1af699f4
AM
2335echo ' ; else return' >> e${EMULATION_NAME}.c
2336sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2337echo '; }' >> e${EMULATION_NAME}.c
252b5132 2338
92b93329 2339fragment <<EOF
252b5132
RH
2340
2341
3fc90ddb 2342struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2343{
2344 gld_${EMULATION_NAME}_before_parse,
2345 syslib_default,
2346 hll_default,
2347 gld_${EMULATION_NAME}_after_parse,
2348 gld_${EMULATION_NAME}_after_open,
5c3261b0 2349 after_check_relocs_default,
252b5132
RH
2350 after_allocation_default,
2351 set_output_arch_default,
2352 ldemul_default_target,
2353 gld_${EMULATION_NAME}_before_allocation,
2354 gld_${EMULATION_NAME}_get_script,
2355 "${EMULATION_NAME}",
2356 "${OUTPUT_FORMAT}",
4cd89863
NC
2357 gld_${EMULATION_NAME}_finish,
2358 NULL, /* Create output section statements. */
690a460e 2359 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2360 gld_${EMULATION_NAME}_place_orphan,
2361 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2362 NULL, /* parse_args */
2363 gld${EMULATION_NAME}_add_options,
2364 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2365 gld_${EMULATION_NAME}_unrecognized_file,
2366 gld_${EMULATION_NAME}_list_options,
344a211f 2367 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2368 gld_${EMULATION_NAME}_find_potential_libraries,
7a2f2d82 2369 NULL, /* new_vers_pattern. */
1ff6de03
NA
2370 NULL, /* extra_map_file_text. */
2371 ${LDEMUL_EMIT_CTF_EARLY-NULL},
2372 ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL}
252b5132
RH
2373};
2374EOF