arm bfd.h tidy
[deliverable/binutils-gdb.git] / ld / emultempl / pe.em
CommitLineData
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
82704155 11/* Copyright (C) 1995-2019 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_${EMULATION_NAME}
39
252b5132 40#include "sysdep.h"
3db64b00 41#include "bfd.h"
252b5132
RH
42#include "bfdlink.h"
43#include "getopt.h"
44#include "libiberty.h"
42627821 45#include "filenames.h"
252b5132
RH
46#include "ld.h"
47#include "ldmain.h"
252b5132
RH
48#include "ldexp.h"
49#include "ldlang.h"
b71e2778 50#include "ldfile.h"
252b5132 51#include "ldemul.h"
df2a7313 52#include <ldgram.h>
252b5132
RH
53#include "ldlex.h"
54#include "ldmisc.h"
55#include "ldctor.h"
61e2488c 56#include "ldbuildid.h"
252b5132 57#include "coff/internal.h"
71add731 58
26d2d8a2
BF
59/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
60 header in generic PE code. */
61#include "coff/i386.h"
62#include "coff/pe.h"
63
61e2488c 64/* FIXME: These are BFD internal header files, and we should not be
71add731 65 using it here. */
252b5132 66#include "../bfd/libcoff.h"
61e2488c 67#include "../bfd/libpei.h"
71add731 68
f37164d7
AM
69#if defined(TARGET_IS_armpe) \
70 || defined(TARGET_IS_arm_wince_pe)
71#define bfd_arm_allocate_interworking_sections \
72 bfd_${EMULATION_NAME}_allocate_interworking_sections
73#define bfd_arm_get_bfd_for_interworking \
74 bfd_${EMULATION_NAME}_get_bfd_for_interworking
75#define bfd_arm_process_before_allocation \
76 bfd_${EMULATION_NAME}_process_before_allocation
77#include "coff-arm.h"
78#endif
79
252b5132 80#include "deffile.h"
1069dd8d 81#include "pe-dll.h"
29e1a6e4 82#include "safe-ctype.h"
14fe918e 83
2be9b2c7
ILT
84/* Permit the emulation parameters to override the default section
85 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
86 it seem that include/coff/internal.h should not define
87 PE_DEF_SECTION_ALIGNMENT. */
88#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
89#undef PE_DEF_SECTION_ALIGNMENT
90#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
91#endif
92
7148cc28
NC
93#if defined(TARGET_IS_i386pe) \
94 || defined(TARGET_IS_shpe) \
7148cc28 95 || defined(TARGET_IS_armpe) \
7148cc28 96 || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
97#define DLL_SUPPORT
98#endif
c6c37250 99
e468a046
KT
100#if defined(TARGET_IS_i386pe)
101#define DEFAULT_PSEUDO_RELOC_VERSION 2
102#else
103#define DEFAULT_PSEUDO_RELOC_VERSION 1
104#endif
105
344a211f 106#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 107#define PE_DEF_SUBSYSTEM 3
344a211f
NC
108#else
109#undef NT_EXE_IMAGE_BASE
110#undef PE_DEF_SECTION_ALIGNMENT
111#undef PE_DEF_FILE_ALIGNMENT
112#define NT_EXE_IMAGE_BASE 0x00010000
7148cc28
NC
113
114#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
115#define PE_DEF_SECTION_ALIGNMENT 0x00001000
116#define PE_DEF_SUBSYSTEM 9
117#else
118#define PE_DEF_SECTION_ALIGNMENT 0x00000400
119#define PE_DEF_SUBSYSTEM 2
120#endif
121#define PE_DEF_FILE_ALIGNMENT 0x00000200
122#endif
c6c37250 123
252b5132
RH
124static struct internal_extra_pe_aouthdr pe;
125static int dll;
decfa41e 126static int pe_subsystem = ${SUBSYSTEM};
26d2d8a2 127static flagword real_flags = 0;
252b5132 128static int support_old_code = 0;
6f798e5c 129static char * thumb_entry_symbol = NULL;
252b5132 130static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 131static unsigned short pe_dll_characteristics = 0;
eeb14e5a 132static bfd_boolean insert_timestamp = TRUE;
61e2488c 133static const char *emit_build_id;
252b5132 134
f0c87f88 135#ifdef DLL_SUPPORT
4cd89863 136static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
690a460e 137static char *pe_out_def_filename = NULL;
5f577f7d 138static int pe_enable_auto_image_base = 0;
d0e6d77b 139static unsigned long pe_auto_image_base = 0x61500000;
627427de 140static char *pe_dll_search_prefix = NULL;
f0c87f88 141#endif
252b5132
RH
142
143extern const char *output_filename;
144
d74720d2 145static int is_underscoring (void)
252b5132 146{
d74720d2
KT
147 int u = 0;
148 if (pe_leading_underscore != -1)
149 return pe_leading_underscore;
150 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
b804e4af
KT
151 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
152
153 if (u == -1)
154 abort ();
d74720d2
KT
155 pe_leading_underscore = (u != 0 ? 1 : 0);
156 return pe_leading_underscore;
157}
b804e4af 158
d74720d2
KT
159static void
160gld_${EMULATION_NAME}_before_parse (void)
161{
162 is_underscoring ();
5e2f1575 163 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 164 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 165#ifdef DLL_SUPPORT
66be1055 166 input_flags.dynamic = TRUE;
252b5132 167 config.has_shared = 1;
5b9c6027
DK
168EOF
169
170# Cygwin no longer wants these noisy warnings. Other PE
171# targets might like to consider adding themselves here.
27320b85
NC
172# See also the mail thread starting here for the reason why
173# merge_rdata defaults to 0 for cygwin:
174# http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
5b9c6027
DK
175case ${target} in
176 *-*-cygwin*)
177 default_auto_import=1
27320b85 178 default_merge_rdata=0
ca5f2203 179 ;;
09db93a8 180 i[3-7]86-*-mingw* | x86_64-*-mingw*)
ca5f2203
KT
181 default_auto_import=1
182 default_merge_rdata=0
5b9c6027
DK
183 ;;
184 *)
185 default_auto_import=-1
ca5f2203 186 default_merge_rdata=1
5b9c6027
DK
187 ;;
188esac
189
190fragment <<EOF
191 link_info.pei386_auto_import = ${default_auto_import};
e468a046
KT
192 /* Use by default version. */
193 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
252b5132
RH
194#endif
195}
196\f
ca5f2203
KT
197/* Indicates if RDATA shall be merged into DATA when pseudo-relocation
198 version 2 is used and auto-import is enabled. */
199#define MERGE_RDATA_V2 ${default_merge_rdata}
200
252b5132
RH
201/* PE format extra command line options. */
202
4cd89863 203/* Used for setting flags in the PE header. */
252b5132
RH
204#define OPTION_BASE_FILE (300 + 1)
205#define OPTION_DLL (OPTION_BASE_FILE + 1)
206#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
207#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
208#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
209#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
210#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
211#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
212#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
213#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
214#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
0c7a8e5a
AM
215#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
216#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
217#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
218#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
219#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
220#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
221#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
2927aaca
NC
222#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
223#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
252b5132
RH
224#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
225#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
226#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
76359541 227#define OPTION_THUMB_ENTRY (OPTION_DISABLE_STDCALL_FIXUP + 1)
870df5dc
NC
228#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
229#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
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DD
230#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
231#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC
232#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
233#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW
234#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
235#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
236#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
70b0be79 237#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
2fa9fc65
NC
238#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
239 (OPTION_EXCLUDE_LIBS + 1)
240#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
241 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
6c19b93b 242#define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
f69a2f97 243#define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
6c19b93b 244 (OPTION_LARGE_ADDRESS_AWARE + 1)
6cb442d3 245#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
f69a2f97 246 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
6cb442d3
KT
247#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
248 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
e1c37eb5
DK
249#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
250 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
ce11ba6c 251#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
88183869 252 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
6c19b93b
AM
253#define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
254#define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
522f09cd
KT
255#define OPTION_ENABLE_LONG_SECTION_NAMES \
256 (OPTION_LEADING_UNDERSCORE + 1)
88183869
DK
257#define OPTION_DISABLE_LONG_SECTION_NAMES \
258 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
0cb112f7 259/* DLLCharacteristics flags. */
2f563b51
DK
260#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
261#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
262#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
e4492aa0 263#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
2f563b51
DK
264#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
265#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
266#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
267#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
0cb112f7
CF
268/* Determinism. */
269#define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1)
eeb14e5a
LZ
270#define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1)
271#define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1)
252b5132 272
3bcf5557 273static void
0c7a8e5a 274gld${EMULATION_NAME}_add_options
d127ecce
AM
275 (int ns ATTRIBUTE_UNUSED,
276 char **shortopts ATTRIBUTE_UNUSED,
277 int nl,
278 struct option **longopts,
279 int nrl ATTRIBUTE_UNUSED,
280 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557 281{
27320b85
NC
282 static const struct option xtra_long[] =
283 {
284 /* PE options. */
3bcf5557
AM
285 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
286 {"dll", no_argument, NULL, OPTION_DLL},
287 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
288 {"heap", required_argument, NULL, OPTION_HEAP},
289 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
290 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
291 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
292 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
293 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
294 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
295 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
296 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
297 {"stack", required_argument, NULL, OPTION_STACK},
298 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
299 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
300 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
301 {"use-nul-prefixed-import-tables", no_argument, NULL,
302 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT
303 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
304 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
0cb112f7 305 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
eeb14e5a 306 {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
c6c37250 307#ifdef DLL_SUPPORT
d127ecce
AM
308 /* getopt allows abbreviations, so we do this to stop it
309 from treating -o as an abbreviation for this option. */
3bcf5557
AM
310 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
311 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
312 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
313 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 314 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
3bcf5557 315 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 316 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
317 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
318 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
319 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
320 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
3bcf5557
AM
321 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
322 /* getopt() allows abbreviations, so we do this to stop it from
323 treating -c as an abbreviation for these --compat-implib. */
324 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
325 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
d0e6d77b 326 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
3bcf5557
AM
327 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
328 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
329 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
330 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
331 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
332 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
333 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
334 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
335 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
336 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 337#endif
26d2d8a2 338 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
f69a2f97 339 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
88183869
DK
340 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
341 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
342 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
343 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
344 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
345 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
346 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
347 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
348 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
349 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
61e2488c 350 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
3bcf5557
AM
351 {NULL, no_argument, NULL, 0}
352 };
252b5132 353
d127ecce
AM
354 *longopts
355 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
3bcf5557
AM
356 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
357}
252b5132
RH
358
359/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 360 parameters which may be input from the command line. */
252b5132
RH
361
362typedef struct
363{
364 void *ptr;
365 int size;
366 int value;
367 char *symbol;
368 int inited;
522f09cd
KT
369 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
370 C visible symbols can be prefixed by underscore dependent to target's
371 settings. */
372 bfd_boolean is_c_symbol;
252b5132
RH
373} definfo;
374
522f09cd
KT
375/* Get symbol name dependent to kind and C visible state of
376 underscore. */
377#define GET_INIT_SYMBOL_NAME(IDX) \
378 (init[(IDX)].symbol \
535b785f 379 + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1))
522f09cd
KT
380
381/* Decorates the C visible symbol by underscore, if target requires. */
382#define U(CSTR) \
d74720d2 383 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
522f09cd 384
61e2488c 385#define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc}
252b5132
RH
386
387static definfo init[] =
388{
389 /* imagebase must be first */
390#define IMAGEBASEOFF 0
522f09cd 391 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
252b5132 392#define DLLOFF 1
522f09cd 393 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
dffc6a64 394#define MSIMAGEBASEOFF 2
522f09cd
KT
395 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
396 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
397 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
398 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
399 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
400 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
401 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
7148cc28 402#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
522f09cd 403 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
344a211f 404#else
522f09cd 405 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
344a211f 406#endif
522f09cd
KT
407 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
408 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
409 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
410 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
411 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
412 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
413 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
414 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
415 { NULL, 0, 0, NULL, 0 , FALSE}
252b5132
RH
416};
417
4cd89863 418
252b5132 419static void
0c7a8e5a 420gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
421{
422 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
423 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
424 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
425 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
426 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
427 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
428 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
429 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
430 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
431 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
432 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
433 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
434 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
435 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
436 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 437 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
6f798e5c 438 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
eeb14e5a 439 fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n"));
0cb112f7 440 fprintf (file, _(" This makes binaries non-deterministic\n"));
c6c37250 441#ifdef DLL_SUPPORT
252b5132
RH
442 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
443 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
444 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
445 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 446 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
b34976b6 447 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
448 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
449 fprintf (file, _(" Exclude objects, archive members from auto\n"));
450 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
451 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
452 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
252b5132 453 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
d0e6d77b 454 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
e3c8793a
NC
455 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
456 create __imp_<SYMBOL> as well.\n"));
d0e6d77b
CF
457 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
458 (optionally starting with address) unless\n\
459 specifically set with --image-base\n"));
5f577f7d 460 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
461 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
462 an importlib, use <string><basename>.dll\n\
e3c8793a 463 in preference to lib<basename>.dll \n"));
c85f715a 464 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
e3c8793a 465 __imp_sym for DATA references\n"));
decc3638 466 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 467 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
468 adding pseudo-relocations resolved at\n\
469 runtime.\n"));
2fa9fc65
NC
470 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
471 auto-imported DATA.\n"));
e3c8793a
NC
472 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
473 or linking to DLLs (esp. auto-import)\n"));
252b5132 474#endif
26d2d8a2
BF
475 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
476 greater than 2 gigabytes\n"));
f69a2f97
NC
477 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
478 addresses greater than 2 gigabytes\n"));
88183869
DK
479 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
480 executable image files\n"));
481 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
482 in object files\n"));
df5f2391
AM
483 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
484 address space layout randomization (ASLR)\n"));
485 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
486 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
487 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
488 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
489 be called in this image\n"));
490 fprintf (file, _(" --no-bind Do not bind this image\n"));
491 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 492 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
61e2488c 493 fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
252b5132
RH
494}
495
4cd89863 496
252b5132 497static void
0c7a8e5a 498set_pe_name (char *name, long val)
252b5132 499{
d74720d2
KT
500 int i;
501 is_underscoring ();
4cd89863
NC
502
503 /* Find the name and set it. */
252b5132
RH
504 for (i = 0; init[i].ptr; i++)
505 {
522f09cd 506 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
252b5132
RH
507 {
508 init[i].value = val;
509 init[i].inited = 1;
dffc6a64
KT
510 if (strcmp (name,"__image_base__") == 0)
511 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
512 return;
513 }
514 }
939ba9d0 515 abort ();
252b5132
RH
516}
517
decfa41e
KT
518static void
519set_entry_point (void)
520{
521 const char *entry;
522 const char *initial_symbol_char;
d74720d2 523 int i;
decfa41e
KT
524
525 static const struct
6c19b93b
AM
526 {
527 const int value;
528 const char *entry;
529 }
decfa41e
KT
530 v[] =
531 {
532 { 1, "NtProcessStartup" },
533 { 2, "WinMainCRTStartup" },
534 { 3, "mainCRTStartup" },
535 { 7, "__PosixProcessStartup"},
536 { 9, "WinMainCRTStartup" },
537 {14, "mainCRTStartup" },
538 { 0, NULL }
539 };
540
541 /* Entry point name for arbitrary subsystem numbers. */
542 static const char default_entry[] = "mainCRTStartup";
543
0e1862bb 544 if (bfd_link_pic (&link_info) || dll)
decfa41e
KT
545 {
546#if defined (TARGET_IS_i386pe)
547 entry = "DllMainCRTStartup@12";
548#else
549 entry = "DllMainCRTStartup";
550#endif
551 }
552 else
553 {
decfa41e 554 for (i = 0; v[i].entry; i++)
6c19b93b
AM
555 if (v[i].value == pe_subsystem)
556 break;
decfa41e
KT
557
558 /* If no match, use the default. */
559 if (v[i].entry != NULL)
6c19b93b 560 entry = v[i].entry;
decfa41e 561 else
6c19b93b 562 entry = default_entry;
decfa41e
KT
563 }
564
d74720d2 565 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
522f09cd 566
decfa41e
KT
567 if (*initial_symbol_char != '\0')
568 {
569 char *alc_entry;
570
571 /* lang_default_entry expects its argument to be permanently
572 allocated, so we don't free this string. */
573 alc_entry = xmalloc (strlen (initial_symbol_char)
574 + strlen (entry)
575 + 1);
576 strcpy (alc_entry, initial_symbol_char);
577 strcat (alc_entry, entry);
578 entry = alc_entry;
579 }
580
581 lang_default_entry (entry);
582}
252b5132
RH
583
584static void
0c7a8e5a 585set_pe_subsystem (void)
252b5132
RH
586{
587 const char *sver;
33f362e1 588 char *end;
252b5132
RH
589 int len;
590 int i;
33f362e1 591 unsigned long temp_subsystem;
3fc90ddb 592 static const struct
252b5132
RH
593 {
594 const char *name;
595 const int value;
252b5132
RH
596 }
597 v[] =
598 {
decfa41e
KT
599 { "native", 1},
600 { "windows", 2},
601 { "console", 3},
602 { "posix", 7},
603 { "wince", 9},
604 { "xbox", 14},
605 { NULL, 0 }
252b5132
RH
606 };
607
33f362e1 608 /* Check for the presence of a version number. */
252b5132
RH
609 sver = strchr (optarg, ':');
610 if (sver == NULL)
611 len = strlen (optarg);
612 else
613 {
252b5132
RH
614 len = sver - optarg;
615 set_pe_name ("__major_subsystem_version__",
decfa41e 616 strtoul (sver + 1, &end, 0));
252b5132
RH
617 if (*end == '.')
618 set_pe_name ("__minor_subsystem_version__",
decfa41e 619 strtoul (end + 1, &end, 0));
252b5132
RH
620 if (*end != '\0')
621 einfo (_("%P: warning: bad version number in -subsystem option\n"));
622 }
623
33f362e1
NC
624 /* Check for numeric subsystem. */
625 temp_subsystem = strtoul (optarg, & end, 0);
626 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 627 {
33f362e1
NC
628 /* Search list for a numeric match to use its entry point. */
629 for (i = 0; v[i].name; i++)
630 if (v[i].value == (int) temp_subsystem)
631 break;
632
33f362e1 633 /* Use this subsystem. */
decfa41e 634 pe_subsystem = (int) temp_subsystem;
33f362e1
NC
635 }
636 else
637 {
638 /* Search for subsystem by name. */
639 for (i = 0; v[i].name; i++)
640 if (strncmp (optarg, v[i].name, len) == 0
641 && v[i].name[len] == '\0')
642 break;
252b5132 643
33f362e1
NC
644 if (v[i].name == NULL)
645 {
df5f2391 646 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
252b5132
RH
647 return;
648 }
33f362e1 649
decfa41e 650 pe_subsystem = v[i].value;
252b5132 651 }
3fc90ddb 652
decfa41e 653 set_pe_name ("__subsystem__", pe_subsystem);
33f362e1
NC
654
655 return;
252b5132
RH
656}
657
658
252b5132 659static void
0c7a8e5a 660set_pe_value (char *name)
252b5132
RH
661{
662 char *end;
3fc90ddb 663
252b5132 664 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 665
252b5132 666 if (end == optarg)
df5f2391 667 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
252b5132
RH
668
669 optarg = end;
670}
671
4cd89863 672
252b5132 673static void
0c7a8e5a 674set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
675{
676 set_pe_value (resname);
3fc90ddb 677
252b5132
RH
678 if (*optarg == ',')
679 {
680 optarg++;
681 set_pe_value (comname);
682 }
683 else if (*optarg)
df5f2391 684 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
252b5132
RH
685}
686
61e2488c 687#define DEFAULT_BUILD_ID_STYLE "md5"
252b5132 688
3bcf5557 689static bfd_boolean
0c7a8e5a 690gld${EMULATION_NAME}_handle_option (int optc)
252b5132 691{
252b5132
RH
692 switch (optc)
693 {
694 default:
3bcf5557 695 return FALSE;
252b5132
RH
696
697 case OPTION_BASE_FILE:
0c7a8e5a 698 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 699 if (link_info.base_file == NULL)
e922bcab 700 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
701 break;
702
4cd89863 703 /* PE options. */
3fc90ddb 704 case OPTION_HEAP:
252b5132
RH
705 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
706 break;
3fc90ddb 707 case OPTION_STACK:
252b5132
RH
708 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
709 break;
710 case OPTION_SUBSYSTEM:
711 set_pe_subsystem ();
712 break;
713 case OPTION_MAJOR_OS_VERSION:
714 set_pe_value ("__major_os_version__");
715 break;
716 case OPTION_MINOR_OS_VERSION:
717 set_pe_value ("__minor_os_version__");
718 break;
719 case OPTION_MAJOR_SUBSYSTEM_VERSION:
720 set_pe_value ("__major_subsystem_version__");
721 break;
722 case OPTION_MINOR_SUBSYSTEM_VERSION:
723 set_pe_value ("__minor_subsystem_version__");
724 break;
725 case OPTION_MAJOR_IMAGE_VERSION:
726 set_pe_value ("__major_image_version__");
727 break;
728 case OPTION_MINOR_IMAGE_VERSION:
729 set_pe_value ("__minor_image_version__");
730 break;
731 case OPTION_FILE_ALIGNMENT:
732 set_pe_value ("__file_alignment__");
733 break;
734 case OPTION_SECTION_ALIGNMENT:
735 set_pe_value ("__section_alignment__");
736 break;
737 case OPTION_DLL:
738 set_pe_name ("__dll__", 1);
739 break;
740 case OPTION_IMAGE_BASE:
741 set_pe_value ("__image_base__");
742 break;
743 case OPTION_SUPPORT_OLD_CODE:
744 support_old_code = 1;
745 break;
6f798e5c
NC
746 case OPTION_THUMB_ENTRY:
747 thumb_entry_symbol = optarg;
748 break;
ce11ba6c
KT
749 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
750 pe_use_nul_prefixed_import_tables = TRUE;
751 break;
522f09cd
KT
752 case OPTION_NO_LEADING_UNDERSCORE:
753 pe_leading_underscore = 0;
754 break;
755 case OPTION_LEADING_UNDERSCORE:
756 pe_leading_underscore = 1;
757 break;
0cb112f7
CF
758 case OPTION_INSERT_TIMESTAMP:
759 insert_timestamp = TRUE;
760 break;
eeb14e5a
LZ
761 case OPTION_NO_INSERT_TIMESTAMP:
762 insert_timestamp = FALSE;
763 break;
c6c37250 764#ifdef DLL_SUPPORT
252b5132
RH
765 case OPTION_OUT_DEF:
766 pe_out_def_filename = xstrdup (optarg);
767 break;
768 case OPTION_EXPORT_ALL:
769 pe_dll_export_everything = 1;
770 break;
771 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 772 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79 773 break;
2927aaca
NC
774 case OPTION_EXCLUDE_ALL_SYMBOLS:
775 pe_dll_exclude_all_symbols = 1;
776 break;
70b0be79 777 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
778 pe_dll_add_excludes (optarg, EXCLUDELIBS);
779 break;
780 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
781 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
782 break;
783 case OPTION_KILL_ATS:
784 pe_dll_kill_ats = 1;
785 break;
786 case OPTION_STDCALL_ALIASES:
787 pe_dll_stdcall_aliases = 1;
788 break;
789 case OPTION_ENABLE_STDCALL_FIXUP:
790 pe_enable_stdcall_fixup = 1;
791 break;
792 case OPTION_DISABLE_STDCALL_FIXUP:
793 pe_enable_stdcall_fixup = 0;
794 break;
870df5dc
NC
795 case OPTION_WARN_DUPLICATE_EXPORTS:
796 pe_dll_warn_dup_exports = 1;
797 break;
798 case OPTION_IMP_COMPAT:
799 pe_dll_compat_implib = 1;
800 break;
5f577f7d
DD
801 case OPTION_ENABLE_AUTO_IMAGE_BASE:
802 pe_enable_auto_image_base = 1;
d0e6d77b
CF
803 if (optarg && *optarg)
804 {
805 char *end;
61e2488c 806 pe_auto_image_base = strtoul (optarg, &end, 0);
d0e6d77b
CF
807 /* XXX should check that we actually parsed something */
808 }
5f577f7d
DD
809 break;
810 case OPTION_DISABLE_AUTO_IMAGE_BASE:
811 pe_enable_auto_image_base = 0;
812 break;
627427de 813 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 814 pe_dll_search_prefix = xstrdup (optarg);
627427de 815 break;
1122a5fc
NC
816 case OPTION_NO_DEFAULT_EXCLUDES:
817 pe_dll_do_default_excludes = 0;
818 break;
decc3638 819 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 820 link_info.pei386_auto_import = 1;
decc3638
CW
821 break;
822 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 823 link_info.pei386_auto_import = 0;
decc3638 824 break;
2fa9fc65 825 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
e468a046
KT
826 link_info.pei386_runtime_pseudo_reloc =
827 DEFAULT_PSEUDO_RELOC_VERSION;
2fa9fc65 828 break;
6cb442d3
KT
829 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
830 link_info.pei386_runtime_pseudo_reloc = 1;
831 break;
832 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
833 link_info.pei386_runtime_pseudo_reloc = 2;
834 break;
2fa9fc65
NC
835 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
836 link_info.pei386_runtime_pseudo_reloc = 0;
837 break;
decc3638
CW
838 case OPTION_ENABLE_EXTRA_PE_DEBUG:
839 pe_dll_extra_pe_debug = 1;
840 break;
c6c37250 841#endif
26d2d8a2
BF
842 case OPTION_LARGE_ADDRESS_AWARE:
843 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
844 break;
f69a2f97
NC
845 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
846 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
847 break;
88183869
DK
848 case OPTION_ENABLE_LONG_SECTION_NAMES:
849 pe_use_coff_long_section_names = 1;
850 break;
851 case OPTION_DISABLE_LONG_SECTION_NAMES:
852 pe_use_coff_long_section_names = 0;
853 break;
2f563b51
DK
854/* Get DLLCharacteristics bits */
855 case OPTION_DYNAMIC_BASE:
856 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
857 break;
858 case OPTION_FORCE_INTEGRITY:
859 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
860 break;
861 case OPTION_NX_COMPAT:
862 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
863 break;
864 case OPTION_NO_ISOLATION:
865 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
866 break;
867 case OPTION_NO_SEH:
868 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
869 break;
870 case OPTION_NO_BIND:
871 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
872 break;
873 case OPTION_WDM_DRIVER:
874 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
875 break;
876 case OPTION_TERMINAL_SERVER_AWARE:
877 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
878 break;
61e2488c
JT
879 case OPTION_BUILD_ID:
880 if (emit_build_id != NULL)
881 {
882 free ((char *) emit_build_id);
883 emit_build_id = NULL;
884 }
885 if (optarg == NULL)
886 optarg = DEFAULT_BUILD_ID_STYLE;
887 if (strcmp (optarg, "none"))
888 emit_build_id = xstrdup (optarg);
889 break;
252b5132 890 }
2f563b51
DK
891
892 /* Set DLLCharacteristics bits */
893 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
894
3bcf5557 895 return TRUE;
252b5132
RH
896}
897\f
5f577f7d 898
2ef53d66 899#ifdef DLL_SUPPORT
3fc90ddb 900static unsigned long
5f577f7d
DD
901strhash (const char *str)
902{
903 const unsigned char *s;
904 unsigned long hash;
905 unsigned int c;
906 unsigned int len;
907
908 hash = 0;
909 len = 0;
910 s = (const unsigned char *) str;
911 while ((c = *s++) != '\0')
912 {
913 hash += c + (c << 17);
914 hash ^= hash >> 2;
915 ++len;
916 }
917 hash += len + (len << 17);
918 hash ^= hash >> 2;
919
920 return hash;
921}
922
4cd89863
NC
923/* Use the output file to create a image base for relocatable DLLs. */
924
5f577f7d
DD
925static unsigned long
926compute_dll_image_base (const char *ofile)
927{
928 unsigned long hash = strhash (ofile);
d0e6d77b 929 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
5f577f7d 930}
2ef53d66 931#endif
5f577f7d 932
252b5132
RH
933/* Assign values to the special symbols before the linker script is
934 read. */
935
936static void
0c7a8e5a 937gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
938{
939 /* Run through and invent symbols for all the
4cd89863 940 names and insert the defaults. */
d74720d2 941 int j;
b804e4af 942
d74720d2 943 is_underscoring ();
252b5132
RH
944
945 if (!init[IMAGEBASEOFF].inited)
946 {
0e1862bb 947 if (bfd_link_relocatable (&link_info))
252b5132 948 init[IMAGEBASEOFF].value = 0;
0e1862bb 949 else if (init[DLLOFF].value || bfd_link_dll (&link_info))
d127ecce 950 {
2ef53d66 951#ifdef DLL_SUPPORT
d127ecce
AM
952 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
953 ? compute_dll_image_base (output_filename)
954 : NT_DLL_IMAGE_BASE);
2ef53d66 955#else
d127ecce 956 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
2ef53d66 957#endif
d127ecce 958 }
252b5132
RH
959 else
960 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 961 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
962 }
963
1049f94e 964 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 965 if (bfd_link_relocatable (&link_info))
252b5132
RH
966 return;
967
4cd89863 968 /* Glue the assignments into the abs section. */
bde18da4 969 push_stat_ptr (&abs_output_section->children);
252b5132
RH
970
971 for (j = 0; init[j].ptr; j++)
972 {
973 long val = init[j].value;
974 lang_assignment_statement_type *rv;
522f09cd 975
2e57b2af 976 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
eb8476a6 977 exp_intop (val), FALSE));
939ba9d0
NC
978 if (init[j].size == sizeof (short))
979 *(short *) init[j].ptr = val;
980 else if (init[j].size == sizeof (int))
981 *(int *) init[j].ptr = val;
982 else if (init[j].size == sizeof (long))
983 *(long *) init[j].ptr = val;
252b5132 984 /* This might be a long long or other special type. */
939ba9d0
NC
985 else if (init[j].size == sizeof (bfd_vma))
986 *(bfd_vma *) init[j].ptr = val;
987 else abort ();
252b5132
RH
988 if (j == IMAGEBASEOFF)
989 image_base_statement = rv;
990 }
4cd89863 991 /* Restore the pointer. */
bde18da4 992 pop_stat_ptr ();
3fc90ddb 993
d127ecce 994 if (pe.FileAlignment > pe.SectionAlignment)
252b5132 995 {
df5f2391 996 einfo (_("%P: warning, file alignment > section alignment\n"));
252b5132
RH
997 }
998}
999
1000/* This is called after the linker script and the command line options
1001 have been read. */
1002
1003static void
0c7a8e5a 1004gld_${EMULATION_NAME}_after_parse (void)
252b5132 1005{
8b747e1a
DK
1006 /* PR ld/6744: Warn the user if they have used an ELF-only
1007 option hoping it will work on PE. */
1008 if (link_info.export_dynamic)
1009 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1010 "targets, did you mean --export-all-symbols?\n"));
97b11f40 1011
decfa41e
KT
1012 set_entry_point ();
1013
97b11f40 1014 after_parse_default ();
252b5132
RH
1015}
1016
2ef53d66 1017#ifdef DLL_SUPPORT
252b5132
RH
1018static struct bfd_link_hash_entry *pe_undef_found_sym;
1019
b34976b6 1020static bfd_boolean
0c7a8e5a 1021pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 1022{
decc3638 1023 int sl;
0c7a8e5a 1024 char *string = inf;
8a9eab9b 1025 const char *hs = h->root.string;
4cd89863 1026
0c7a8e5a 1027 sl = strlen (string);
252b5132 1028 if (h->type == bfd_link_hash_defined
8a9eab9b
KT
1029 && ((*hs == '@' && *string == '_'
1030 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1031 || strncmp (hs, string, sl) == 0)
252b5132 1032 && h->root.string[sl] == '@')
decc3638
CW
1033 {
1034 pe_undef_found_sym = h;
b34976b6 1035 return FALSE;
decc3638 1036 }
b34976b6 1037 return TRUE;
252b5132
RH
1038}
1039
67f101ee
NC
1040/* Change UNDEF to a defined symbol, taking data from SYM. */
1041
1042static void
1043change_undef (struct bfd_link_hash_entry * undef,
1044 struct bfd_link_hash_entry * sym)
1045{
1046 static bfd_boolean gave_warning_message = FALSE;
1047
1048 undef->type = bfd_link_hash_defined;
1049 undef->u.def.value = sym->u.def.value;
1050 undef->u.def.section = sym->u.def.section;
1051
1052 if (pe_enable_stdcall_fixup == -1)
1053 {
df5f2391 1054 einfo (_("%P: warning: resolving %s by linking to %s\n"),
67f101ee
NC
1055 undef->root.string, sym->root.string);
1056
1057 if (! gave_warning_message)
1058 {
1059 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1060 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1061 gave_warning_message = TRUE;
1062 }
1063 }
1064
1065 /* PR 19803: Make sure that the linked symbol is not garbage collected. */
1066 lang_add_gc_name (sym->root.string);
1067}
1068
252b5132 1069static void
0c7a8e5a 1070pe_fixup_stdcalls (void)
252b5132 1071{
252b5132 1072 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1073
3fc90ddb 1074 if (pe_dll_extra_pe_debug)
c9e38879 1075 printf ("%s\n", __FUNCTION__);
3fc90ddb 1076
f6e332e6 1077 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 1078 if (undef->type == bfd_link_hash_undefined)
252b5132 1079 {
67f101ee
NC
1080 const char * name = undef->root.string;
1081 char * at;
1082 int lead_at = (*name == '@');
1083
8a9eab9b 1084 if (lead_at)
67f101ee
NC
1085 at = strchr (name + 1, '@');
1086 else
1087 at = strchr (name, '@');
b34976b6 1088
8a9eab9b 1089 if (at || lead_at)
c9e38879
NC
1090 {
1091 /* The symbol is a stdcall symbol, so let's look for a
1092 cdecl symbol with the same name and resolve to that. */
67f101ee 1093 char *cname = xstrdup (name);
8a9eab9b
KT
1094
1095 if (lead_at)
1096 *cname = '_';
6c19b93b 1097 if (at)
67f101ee
NC
1098 * strchr (cname, '@') = 0;
1099 sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE);
c9e38879
NC
1100
1101 if (sym && sym->type == bfd_link_hash_defined)
67f101ee 1102 change_undef (undef, sym);
c9e38879
NC
1103 }
1104 else
1105 {
1106 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 1107 symbols - which means scanning the whole symbol table. */
67f101ee 1108 pe_undef_found_sym = NULL;
c9e38879 1109 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
67f101ee
NC
1110 (char *) name);
1111 if (pe_undef_found_sym)
1112 change_undef (undef, pe_undef_found_sym);
c9e38879 1113 }
252b5132 1114 }
252b5132 1115}
decc3638 1116
317ff008
EB
1117static void
1118make_import_fixup (arelent *rel, asection *s, char *name, const char *symname)
decc3638 1119{
fc0a2244 1120 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1121 char addend[4];
317ff008 1122 bfd_vma _addend;
decc3638 1123
3fc90ddb 1124 if (pe_dll_extra_pe_debug)
c9e38879 1125 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1126 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1127
c99b8138 1128 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
df5f2391 1129 einfo (_("%P: %C: cannot get section contents - auto-import exception\n"),
c9e38879 1130 s->owner, s, rel->address);
0d888aac 1131
317ff008
EB
1132 _addend = bfd_get_32 (s->owner, addend);
1133 pe_create_import_fixup (rel, s, _addend, name, symname);
decc3638 1134}
252b5132 1135
b34976b6 1136static bfd_boolean
0c7a8e5a 1137pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1138{
80cc85a9 1139 printf ("+%s\n", h->string);
c9e38879 1140
b34976b6 1141 return TRUE;
decc3638 1142}
4b83d615 1143#endif /* DLL_SUPPORT */
decc3638 1144
e4492aa0 1145static void
3efd345c
DK
1146debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1147{
1148 int *found = (int *) obj;
1149 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1150 *found = 1;
1151}
decc3638 1152
61e2488c
JT
1153static bfd_boolean
1154pecoff_checksum_contents (bfd *abfd,
1155 void (*process) (const void *, size_t, void *),
1156 void *arg)
1157{
1158 file_ptr filepos = (file_ptr) 0;
1159
1160 while (1)
1161 {
1162 unsigned char b;
1163 int status;
1164
1165 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
1166 return 0;
1167
1168 status = bfd_bread (&b, (bfd_size_type) 1, abfd);
1169 if (status < 1)
6c19b93b
AM
1170 {
1171 break;
1172 }
61e2488c
JT
1173
1174 (*process) (&b, 1, arg);
1175 filepos += 1;
1176 }
1177
1178 return TRUE;
1179}
1180
1181static bfd_boolean
1182write_build_id (bfd *abfd)
1183{
1184 struct pe_tdata *t = pe_data (abfd);
1185 asection *asec;
1186 struct bfd_link_order *link_order = NULL;
1187 unsigned char *contents;
1188 bfd_size_type size;
1189 bfd_size_type build_id_size;
1190 unsigned char *build_id;
1191
74fffc39 1192 /* Find the section the .buildid output section has been merged info. */
61e2488c
JT
1193 for (asec = abfd->sections; asec != NULL; asec = asec->next)
1194 {
1195 struct bfd_link_order *l = NULL;
1196 for (l = asec->map_head.link_order; l != NULL; l = l->next)
6c19b93b
AM
1197 {
1198 if (l->type == bfd_indirect_link_order)
1199 {
1200 if (l->u.indirect.section == t->build_id.sec)
1201 {
1202 link_order = l;
1203 break;
1204 }
1205 }
1206 }
61e2488c
JT
1207
1208 if (link_order)
6c19b93b 1209 break;
61e2488c
JT
1210 }
1211
1212 if (!link_order)
1213 {
74fffc39 1214 einfo (_("%P: warning: .buildid section discarded,"
df5f2391 1215 " --build-id ignored\n"));
61e2488c
JT
1216 return TRUE;
1217 }
1218
1219 if (t->build_id.sec->contents == NULL)
1220 t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
1221 contents = t->build_id.sec->contents;
1222 size = t->build_id.sec->size;
1223
1224 build_id_size = compute_build_id_size (t->build_id.style);
1225 build_id = xmalloc (build_id_size);
1226 generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
1227
1228 bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
1229
1230 /* Construct a debug directory entry which points to an immediately following CodeView record. */
1231 struct internal_IMAGE_DEBUG_DIRECTORY idd;
1232 idd.Characteristics = 0;
1233 idd.TimeDateStamp = 0;
1234 idd.MajorVersion = 0;
1235 idd.MinorVersion = 0;
1236 idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
1237 idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
1238 idd.AddressOfRawData = asec->vma - ib + link_order->offset
1239 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1240 idd.PointerToRawData = asec->filepos + link_order->offset
1241 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1242
1243 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
1244 _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
1245
1246 /* Write the debug directory entry. */
1247 if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
1248 return 0;
1249
b6518b38 1250 if (bfd_bwrite (contents, size, abfd) != size)
61e2488c
JT
1251 return 0;
1252
1253 /* Construct the CodeView record. */
1254 CODEVIEW_INFO cvinfo;
1255 cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
1256 cvinfo.Age = 1;
1257
1258 /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
1259 memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
1260 memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
1261 ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
1262
1263 free (build_id);
1264
1265 /* Write the codeview record. */
1266 if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
1267 return 0;
1268
1269 /* Record the location of the debug directory in the data directory. */
1270 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
1271 = asec->vma - ib + link_order->offset;
1272 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
1273 = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1274
1275 return TRUE;
1276}
1277
74fffc39 1278/* Make .buildid section, and set up coff_tdata->build_id. */
61e2488c
JT
1279static bfd_boolean
1280setup_build_id (bfd *ibfd)
1281{
1282 asection *s;
1283 flagword flags;
1284
1285 if (!validate_build_id_style (emit_build_id))
1286 {
df5f2391 1287 einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
61e2488c
JT
1288 return FALSE;
1289 }
1290
1291 flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1292 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
74fffc39 1293 s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
61e2488c
JT
1294 if (s != NULL)
1295 {
1296 struct pe_tdata *t = pe_data (link_info.output_bfd);
1297 t->build_id.after_write_object_contents = &write_build_id;
1298 t->build_id.style = emit_build_id;
1299 t->build_id.sec = s;
1300
1301 /* Section is a fixed size:
1302 One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
1303 pointing at a CV_INFO_PDB70 record containing the build-id, with a
1304 null byte for PdbFileName. */
1305 s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
1306 + sizeof (CV_INFO_PDB70) + 1;
1307
1308 return TRUE;
1309 }
1310
df5f2391
AM
1311 einfo (_("%P: warning: cannot create .buildid section,"
1312 " --build-id ignored\n"));
61e2488c
JT
1313 return FALSE;
1314}
1315
252b5132 1316static void
0c7a8e5a 1317gld_${EMULATION_NAME}_after_open (void)
252b5132 1318{
5c3049d2
AM
1319 after_open_default ();
1320
4b83d615 1321#ifdef DLL_SUPPORT
3fc90ddb 1322 if (pe_dll_extra_pe_debug)
decc3638
CW
1323 {
1324 bfd *a;
1325 struct bfd_link_hash_entry *sym;
c9e38879 1326
decc3638
CW
1327 printf ("%s()\n", __FUNCTION__);
1328
f6e332e6 1329 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1330 printf ("-%s\n", sym->root.string);
0c7a8e5a 1331 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638 1332
c72f2fb2 1333 for (a = link_info.input_bfds; a; a = a->link.next)
c9e38879 1334 printf ("*%s\n",a->filename);
decc3638 1335 }
4b83d615 1336#endif
3fc90ddb 1337
61e2488c
JT
1338 if (emit_build_id != NULL)
1339 {
1340 bfd *abfd;
1341
1342 /* Find a COFF input. */
1343 for (abfd = link_info.input_bfds;
c72f2fb2 1344 abfd != (bfd *) NULL; abfd = abfd->link.next)
61e2488c
JT
1345 if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1346 break;
1347
1348 /* If there are no COFF input files do not try to
1349 add a build-id section. */
1350 if (abfd == NULL
1351 || !setup_build_id (abfd))
1352 {
1353 free ((char *) emit_build_id);
1354 emit_build_id = NULL;
1355 }
1356 }
1357
252b5132
RH
1358 /* Pass the wacky PE command line options into the output bfd.
1359 FIXME: This should be done via a function, rather than by
1360 including an internal BFD header. */
3fc90ddb 1361
eabf307f
AM
1362 if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour
1363 || coff_data (link_info.output_bfd) == NULL
f13a99db 1364 || coff_data (link_info.output_bfd)->pe == 0)
df5f2391 1365 einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"),
f13a99db 1366 link_info.output_bfd);
252b5132 1367
f13a99db
AM
1368 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1369 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1370 pe_data (link_info.output_bfd)->real_flags |= real_flags;
0cb112f7 1371 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
3efd345c
DK
1372
1373 /* At this point we must decide whether to use long section names
1374 in the output or not. If the user hasn't explicitly specified
1375 on the command line, we leave it to the default for the format
1376 (object files yes, image files no), except if there is debug
1377 information present; GDB relies on the long section names to
1378 find it, so enable it in that case. */
1379 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1380 {
0e1862bb 1381 if (bfd_link_relocatable (&link_info))
61e2488c
JT
1382 pe_use_coff_long_section_names = 1;
1383 else
3efd345c 1384 {
61e2488c
JT
1385 /* Iterate over all sections of all input BFDs, checking
1386 for any that begin 'debug_' and are long names. */
1387 LANG_FOR_EACH_INPUT_STATEMENT (is)
1388 {
1389 int found_debug = 0;
1390
1391 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1392 if (found_debug)
1393 {
1394 pe_use_coff_long_section_names = 1;
1395 break;
1396 }
1397 }
3efd345c
DK
1398 }
1399 }
1400
88183869 1401 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1402
c6c37250 1403#ifdef DLL_SUPPORT
f13a99db 1404 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1405
317ff008
EB
1406 if (link_info.pei386_auto_import) /* -1=warn or 1=enable */
1407 pe_find_data_imports (U ("_head_"), make_import_fixup);
decc3638 1408
317ff008
EB
1409 /* The implementation of the feature is rather dumb and would cause the
1410 compilation time to go through the roof if there are many undefined
1411 symbols in the link, so it needs to be run after auto-import. */
1412 if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */
8a9eab9b
KT
1413 pe_fixup_stdcalls ();
1414
7148cc28
NC
1415#if defined (TARGET_IS_i386pe) \
1416 || defined (TARGET_IS_armpe) \
7148cc28 1417 || defined (TARGET_IS_arm_wince_pe)
0e1862bb 1418 if (!bfd_link_relocatable (&link_info))
f13a99db 1419 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28 1420#else
0e1862bb 1421 if (bfd_link_pic (&link_info))
f13a99db 1422 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1423 else
1424 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1425#endif
7148cc28 1426#endif /* DLL_SUPPORT */
252b5132 1427
ddb00039 1428#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1429 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1430 {
1431 /* The arm backend needs special fields in the output hash structure.
1432 These will only be created if the output format is an arm format,
1433 hence we do not support linking and changing output formats at the
1434 same time. Use a link followed by objcopy to change output formats. */
df5f2391
AM
1435 einfo (_("%F%P: error: cannot change output format "
1436 "whilst linking %s binaries\n"), "ARM");
f11523b0
NC
1437 return;
1438 }
252b5132
RH
1439 {
1440 /* Find a BFD that can hold the interworking stubs. */
1441 LANG_FOR_EACH_INPUT_STATEMENT (is)
1442 {
7148cc28 1443 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1444 break;
1445 }
1446 }
1447#endif
c6c37250 1448
486e80e2 1449 {
486e80e2
DD
1450 /* This next chunk of code tries to detect the case where you have
1451 two import libraries for the same DLL (specifically,
1452 symbolically linking libm.a and libc.a in cygwin to
1453 libcygwin.a). In those cases, it's possible for function
1454 thunks from the second implib to be used but without the
1455 head/tail objects, causing an improper import table. We detect
1456 those cases and rename the "other" import libraries to match
1457 the one the head/tail come from, so that the linker will sort
4cd89863 1458 things nicely and produce a valid import table. */
486e80e2
DD
1459
1460 LANG_FOR_EACH_INPUT_STATEMENT (is)
1461 {
1462 if (is->the_bfd->my_archive)
1463 {
1464 int idata2 = 0, reloc_count=0, is_imp = 0;
1465 asection *sec;
3fc90ddb 1466
6e45556a 1467 /* See if this is an import library thunk. */
486e80e2
DD
1468 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1469 {
1470 if (strcmp (sec->name, ".idata\$2") == 0)
1471 idata2 = 1;
0112cd26 1472 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1473 is_imp = 1;
1474 reloc_count += sec->reloc_count;
1475 }
3fc90ddb 1476
486e80e2
DD
1477 if (is_imp && !idata2 && reloc_count)
1478 {
6e45556a
NC
1479 /* It is, look for the reference to head and see if it's
1480 from our own library. */
486e80e2
DD
1481 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1482 {
1483 int i;
6e45556a 1484 long relsize;
102c86f8 1485 asymbol **symbols;
102c86f8
NC
1486 arelent **relocs;
1487 int nrelocs;
3fc90ddb 1488
102c86f8 1489 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1490 if (relsize < 1)
1491 break;
3fc90ddb 1492
5c1d2f5f 1493 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1494 {
df5f2391 1495 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f 1496 is->the_bfd);
6e45556a
NC
1497 return;
1498 }
5c1d2f5f 1499 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1500
d127ecce 1501 relocs = xmalloc ((size_t) relsize);
102c86f8 1502 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1503 relocs, symbols);
6e45556a
NC
1504 if (nrelocs < 0)
1505 {
1506 free (relocs);
d003af55 1507 einfo (_("%X%P: unable to process relocs: %E\n"));
6e45556a
NC
1508 return;
1509 }
3fc90ddb 1510
6e45556a 1511 for (i = 0; i < nrelocs; i++)
486e80e2 1512 {
fc0a2244 1513 struct bfd_symbol *s;
6e45556a 1514 struct bfd_link_hash_entry * blhe;
b16c44de 1515 const char *other_bfd_filename;
6e45556a 1516 char *n;
3fc90ddb 1517
486e80e2 1518 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1519
6e45556a
NC
1520 if (s->flags & BSF_LOCAL)
1521 continue;
3fc90ddb 1522
6e45556a
NC
1523 /* Thunk section with reloc to another bfd. */
1524 blhe = bfd_link_hash_lookup (link_info.hash,
1525 s->name,
b34976b6 1526 FALSE, FALSE, TRUE);
3fc90ddb 1527
6e45556a
NC
1528 if (blhe == NULL
1529 || blhe->type != bfd_link_hash_defined)
1530 continue;
3fc90ddb 1531
2a08daf3
DS
1532 other_bfd_filename
1533 = blhe->u.def.section->owner->my_archive
1534 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1535 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1536
42627821
KT
1537 if (filename_cmp (bfd_get_filename
1538 (is->the_bfd->my_archive),
1539 other_bfd_filename) == 0)
6e45556a 1540 continue;
3fc90ddb 1541
c034e3e0 1542 /* Rename this implib to match the other one. */
2a08daf3
DS
1543 n = xmalloc (strlen (other_bfd_filename) + 1);
1544 strcpy (n, other_bfd_filename);
90d92a63 1545 bfd_set_filename (is->the_bfd->my_archive, n);
486e80e2
DD
1546 }
1547
1548 free (relocs);
6e45556a
NC
1549 /* Note - we do not free the symbols,
1550 they are now cached in the BFD. */
486e80e2
DD
1551 }
1552 }
1553 }
1554 }
1555 }
1556
c6c37250 1557 {
f0c87f88 1558 int is_ms_arch = 0;
1069dd8d 1559 bfd *cur_arch = 0;
c6c37250 1560 lang_input_statement_type *is2;
44dbf363 1561 lang_input_statement_type *is3;
1069dd8d 1562
c6c37250
DD
1563 /* Careful - this is a shell script. Watch those dollar signs! */
1564 /* Microsoft import libraries have every member named the same,
1565 and not in the right order for us to link them correctly. We
1566 must detect these and rename the members so that they'll link
1567 correctly. There are three types of objects: the head, the
1568 thunks, and the sentinel(s). The head is easy; it's the one
1569 with idata2. We assume that the sentinels won't have relocs,
1570 and the thunks will. It's easier than checking the symbol
1069dd8d 1571 table for external references. */
c6c37250
DD
1572 LANG_FOR_EACH_INPUT_STATEMENT (is)
1573 {
1574 if (is->the_bfd->my_archive)
1575 {
44dbf363 1576 char *pnt;
c6c37250 1577 bfd *arch = is->the_bfd->my_archive;
44dbf363 1578
c6c37250
DD
1579 if (cur_arch != arch)
1580 {
1581 cur_arch = arch;
1582 is_ms_arch = 1;
44dbf363
NC
1583
1584 for (is3 = is;
1585 is3 && is3->the_bfd->my_archive == arch;
1586 is3 = (lang_input_statement_type *) is3->next)
1587 {
1af699f4 1588 /* A MS dynamic import library can also contain static
44dbf363
NC
1589 members, so look for the first element with a .dll
1590 extension, and use that for the remainder of the
1591 comparisons. */
1592 pnt = strrchr (is3->the_bfd->filename, '.');
42627821 1593 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
ff71f4f7 1594 break;
44dbf363
NC
1595 }
1596
1597 if (is3 == NULL)
1598 is_ms_arch = 0;
1599 else
c6c37250 1600 {
44dbf363
NC
1601 /* OK, found one. Now look to see if the remaining
1602 (dynamic import) members use the same name. */
1603 for (is2 = is;
1604 is2 && is2->the_bfd->my_archive == arch;
1605 is2 = (lang_input_statement_type *) is2->next)
1606 {
1607 /* Skip static members, ie anything with a .obj
1608 extension. */
1609 pnt = strrchr (is2->the_bfd->filename, '.');
42627821 1610 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
44dbf363
NC
1611 continue;
1612
42627821
KT
1613 if (filename_cmp (is3->the_bfd->filename,
1614 is2->the_bfd->filename))
44dbf363
NC
1615 {
1616 is_ms_arch = 0;
1617 break;
1618 }
1619 }
c6c37250
DD
1620 }
1621 }
1622
44dbf363
NC
1623 /* This fragment might have come from an .obj file in a Microsoft
1624 import, and not an actual import record. If this is the case,
1625 then leave the filename alone. */
1626 pnt = strrchr (is->the_bfd->filename, '.');
1627
42627821 1628 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
c6c37250 1629 {
1069dd8d 1630 int idata2 = 0, reloc_count=0;
c6c37250
DD
1631 asection *sec;
1632 char *new_name, seq;
1069dd8d 1633
c6c37250
DD
1634 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1635 {
1636 if (strcmp (sec->name, ".idata\$2") == 0)
1637 idata2 = 1;
1638 reloc_count += sec->reloc_count;
1639 }
1640
1641 if (idata2) /* .idata2 is the TOC */
1642 seq = 'a';
1643 else if (reloc_count > 0) /* thunks */
1644 seq = 'b';
1645 else /* sentinel */
1646 seq = 'c';
1647
e4e24acb 1648 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250 1649 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
90d92a63 1650 bfd_set_filename (is->the_bfd, new_name);
c6c37250 1651
690a460e 1652 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1653 sprintf (new_name, "%s.%c", is->filename, seq);
1654 is->filename = new_name;
1655 }
1656 }
1657 }
1658 }
54727719
NC
1659
1660 {
1661 /* The following chunk of code tries to identify jump stubs in
1662 import libraries which are dead code and eliminates them
1663 from the final link. For each exported symbol <sym>, there
1664 is a object file in the import library with a .text section
d34c1c51 1665 and several .idata\$* sections. The .text section contains the
54727719 1666 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1667 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1668 for __imp_<sym> which is the address of the slot for <sym> in
1669 the import address table. When a symbol is imported explicitly
1670 using __declspec(dllimport) declaration, the compiler generates
1671 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1672 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1673 needed. The following code tries to identify jump stub sections
1674 in import libraries which are not referred to by anyone and
1675 marks them for exclusion from the final link. */
1676 LANG_FOR_EACH_INPUT_STATEMENT (is)
1677 {
1678 if (is->the_bfd->my_archive)
1679 {
1680 int is_imp = 0;
1681 asection *sec, *stub_sec = NULL;
1682
1683 /* See if this is an import library thunk. */
1684 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1685 {
1686 if (strncmp (sec->name, ".idata\$", 7) == 0)
1687 is_imp = 1;
1688 /* The section containing the jmp stub has code
1689 and has a reloc. */
1690 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1691 stub_sec = sec;
1692 }
92b93329 1693
54727719
NC
1694 if (is_imp && stub_sec)
1695 {
54727719 1696 asymbol **symbols;
5c1d2f5f 1697 long nsyms, src_count;
54727719
NC
1698 struct bfd_link_hash_entry * blhe;
1699
5c1d2f5f
AM
1700 if (!bfd_generic_link_read_symbols (is->the_bfd))
1701 {
df5f2391 1702 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f
AM
1703 is->the_bfd);
1704 return;
1705 }
1706 symbols = bfd_get_outsymbols (is->the_bfd);
1707 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1708
5c1d2f5f 1709 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1710 {
1711 if (symbols[src_count]->section->id == stub_sec->id)
1712 {
1713 /* This symbol belongs to the section containing
1714 the stub. */
1715 blhe = bfd_link_hash_lookup (link_info.hash,
1716 symbols[src_count]->name,
1717 FALSE, FALSE, TRUE);
1718 /* If the symbol in the stub section has no other
1719 undefined references, exclude the stub section
1720 from the final link. */
e0605dbe
AM
1721 if (blhe != NULL
1722 && blhe->type == bfd_link_hash_defined
1723 && blhe->u.undef.next == NULL
1724 && blhe != link_info.hash->undefs_tail)
54727719
NC
1725 stub_sec->flags |= SEC_EXCLUDE;
1726 }
1727 }
54727719
NC
1728 }
1729 }
1730 }
1731 }
252b5132
RH
1732}
1733\f
3fc90ddb 1734static void
0c7a8e5a 1735gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1736{
1737#ifdef TARGET_IS_ppcpe
c9e38879 1738 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1739 {
1740 LANG_FOR_EACH_INPUT_STATEMENT (is)
1741 {
1742 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1743 {
1744 /* xgettext:c-format */
df5f2391 1745 einfo (_("%P: errors encountered processing file %s\n"), is->filename);
252b5132
RH
1746 }
1747 }
1748 }
1749
c9e38879 1750 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1751 ppc_allocate_toc_section (&link_info);
1752#endif /* TARGET_IS_ppcpe */
1753
ddb00039 1754#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1755 /* FIXME: we should be able to set the size of the interworking stub
1756 section.
1757
1758 Here we rummage through the found bfds to collect glue
1759 information. FIXME: should this be based on a command line
c9e38879 1760 option? krk@cygnus.com. */
252b5132
RH
1761 {
1762 LANG_FOR_EACH_INPUT_STATEMENT (is)
1763 {
7148cc28 1764 if (! bfd_arm_process_before_allocation
252b5132
RH
1765 (is->the_bfd, & link_info, support_old_code))
1766 {
1767 /* xgettext:c-format */
df5f2391 1768 einfo (_("%P: errors encountered processing file %s for interworking\n"),
252b5132
RH
1769 is->filename);
1770 }
1771 }
1772 }
1773
c9e38879 1774 /* We have seen it all. Allocate it, and carry on. */
7148cc28 1775 bfd_arm_allocate_interworking_sections (& link_info);
ddb00039 1776#endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */
8423293d 1777
1e035701 1778 before_allocation_default ();
252b5132
RH
1779}
1780\f
690a460e 1781#ifdef DLL_SUPPORT
252b5132 1782/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1783 check here for .DEF files and pull them in automatically. */
690a460e 1784
252b5132 1785static int
0c7a8e5a 1786saw_option (char *option)
252b5132
RH
1787{
1788 int i;
c9e38879
NC
1789
1790 for (i = 0; init[i].ptr; i++)
522f09cd 1791 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
252b5132
RH
1792 return init[i].inited;
1793 return 0;
1794}
690a460e 1795#endif /* DLL_SUPPORT */
252b5132 1796
b34976b6 1797static bfd_boolean
0c7a8e5a 1798gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1799{
c6c37250 1800#ifdef DLL_SUPPORT
252b5132
RH
1801 const char *ext = entry->filename + strlen (entry->filename) - 4;
1802
42627821 1803 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
252b5132 1804 {
f2d3750d 1805 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1806
1807 if (pe_def_file)
252b5132 1808 {
c9e38879
NC
1809 int i, buflen=0, len;
1810 char *buf;
252b5132 1811
c9e38879 1812 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1813 {
939ba9d0 1814 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1815 if (buflen < len + 2)
1816 buflen = len + 2;
252b5132 1817 }
252b5132 1818
d127ecce 1819 buf = xmalloc (buflen);
252b5132 1820
c9e38879
NC
1821 for (i = 0; i < pe_def_file->num_exports; i++)
1822 {
1823 struct bfd_link_hash_entry *h;
1824
522f09cd 1825 sprintf (buf, "%s%s", U (""),
6c19b93b 1826 pe_def_file->exports[i].internal_name);
c9e38879 1827
b34976b6 1828 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879 1829 if (h == (struct bfd_link_hash_entry *) NULL)
df5f2391 1830 einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n"));
c9e38879
NC
1831 if (h->type == bfd_link_hash_new)
1832 {
1833 h->type = bfd_link_hash_undefined;
1834 h->u.undef.abfd = NULL;
1835 bfd_link_add_undef (link_info.hash, h);
1836 }
1837 }
1838 free (buf);
1839
1840 /* def_file_print (stdout, pe_def_file); */
1841 if (pe_def_file->is_dll == 1)
64d94ba0 1842 link_info.type = type_dll;
c9e38879
NC
1843
1844 if (pe_def_file->base_address != (bfd_vma)(-1))
1845 {
f13a99db
AM
1846 pe.ImageBase
1847 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1848 = init[IMAGEBASEOFF].value
1849 = pe_def_file->base_address;
c9e38879
NC
1850 init[IMAGEBASEOFF].inited = 1;
1851 if (image_base_statement)
eb8476a6
MR
1852 image_base_statement->exp
1853 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1854 FALSE);
c9e38879 1855 }
252b5132 1856
c9e38879
NC
1857 if (pe_def_file->stack_reserve != -1
1858 && ! saw_option ("__size_of_stack_reserve__"))
1859 {
1860 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1861 if (pe_def_file->stack_commit != -1)
1862 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1863 }
1864 if (pe_def_file->heap_reserve != -1
1865 && ! saw_option ("__size_of_heap_reserve__"))
1866 {
1867 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1868 if (pe_def_file->heap_commit != -1)
1869 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1870 }
b34976b6 1871 return TRUE;
c9e38879 1872 }
252b5132 1873 }
252b5132 1874#endif
b34976b6 1875 return FALSE;
252b5132
RH
1876}
1877
b34976b6 1878static bfd_boolean
0c7a8e5a 1879gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1880{
c6c37250 1881#ifdef DLL_SUPPORT
252b5132 1882#ifdef TARGET_IS_i386pe
c6c37250 1883 pe_dll_id_target ("pei-i386");
344a211f
NC
1884#endif
1885#ifdef TARGET_IS_shpe
1886 pe_dll_id_target ("pei-shl");
1887#endif
344a211f
NC
1888#ifdef TARGET_IS_armpe
1889 pe_dll_id_target ("pei-arm-little");
7148cc28 1890#endif
7148cc28
NC
1891#ifdef TARGET_IS_arm_wince_pe
1892 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 1893#endif
ff2bdb9c
CF
1894 if (pe_bfd_is_dll (entry->the_bfd))
1895 return pe_implied_import_dll (entry->filename);
252b5132 1896#endif
b34976b6 1897 return FALSE;
252b5132
RH
1898}
1899
1900static void
0c7a8e5a 1901gld_${EMULATION_NAME}_finish (void)
252b5132 1902{
ddb00039 1903#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
1904 struct bfd_link_hash_entry * h;
1905
1906 if (thumb_entry_symbol != NULL)
1907 {
b34976b6
AM
1908 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1909 FALSE, FALSE, TRUE);
3fc90ddb 1910
6f798e5c
NC
1911 if (h != (struct bfd_link_hash_entry *) NULL
1912 && (h->type == bfd_link_hash_defined
1913 || h->type == bfd_link_hash_defweak)
1914 && h->u.def.section->output_section != NULL)
1915 {
1916 static char buffer[32];
1917 bfd_vma val;
3fc90ddb 1918
6f798e5c
NC
1919 /* Special procesing is required for a Thumb entry symbol. The
1920 bottom bit of its address must be set. */
1921 val = (h->u.def.value
fd361982 1922 + bfd_section_vma (h->u.def.section->output_section)
6f798e5c 1923 + h->u.def.section->output_offset);
3fc90ddb 1924
6f798e5c 1925 val |= 1;
3fc90ddb 1926
6f798e5c
NC
1927 /* Now convert this value into a string and store it in entry_symbol
1928 where the lang_finish() function will pick it up. */
1929 buffer[0] = '0';
1930 buffer[1] = 'x';
3fc90ddb 1931
6f798e5c 1932 sprintf_vma (buffer + 2, val);
3fc90ddb 1933
e3e942e9 1934 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1935 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
1936 thumb_entry_symbol, entry_symbol.name);
1937 entry_symbol.name = buffer;
6f798e5c
NC
1938 }
1939 else
c58dea77 1940 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 1941 }
ddb00039 1942#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 1943
1e035701
AM
1944 finish_default ();
1945
c6c37250 1946#ifdef DLL_SUPPORT
0e1862bb 1947 if (bfd_link_pic (&link_info)
e8044f35 1948#if !defined(TARGET_IS_shpe)
0e1862bb
L
1949 || (!bfd_link_relocatable (&link_info)
1950 && pe_def_file->num_exports != 0)
2b817be1
NC
1951#endif
1952 )
252b5132 1953 {
f13a99db 1954 pe_dll_fill_sections (link_info.output_bfd, &link_info);
76359541
TP
1955 if (command_line.out_implib_filename)
1956 pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename,
1957 &link_info);
252b5132 1958 }
e8044f35 1959#if defined(TARGET_IS_shpe)
690a460e 1960 /* ARM doesn't need relocs. */
344a211f
NC
1961 else
1962 {
f13a99db 1963 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
1964 }
1965#endif
3fc90ddb 1966
252b5132
RH
1967 if (pe_out_def_filename)
1968 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1969#endif /* DLL_SUPPORT */
decc3638 1970
c9e38879 1971 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 1972 {
f13a99db 1973 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 1974
decc3638
CW
1975 if (asec)
1976 {
1af699f4
AM
1977 asec->flags &= ~SEC_CODE;
1978 asec->flags |= SEC_DATA;
decc3638
CW
1979 }
1980 }
252b5132
RH
1981}
1982
1983\f
1984/* Place an orphan section.
1985
1986 We use this to put sections in a reasonable place in the file, and
1987 to ensure that they are aligned as required.
1988
d34c1c51 1989 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
1990 goes into the output section .foo. All grouped sections are sorted
1991 by name.
1992
1993 Grouped sections for the default sections are handled by the
1994 default linker script using wildcards, and are sorted by
1995 sort_sections. */
1996
c2edb4b8 1997static lang_output_section_statement_type *
8a99a385
AM
1998gld_${EMULATION_NAME}_place_orphan (asection *s,
1999 const char *secname,
2000 int constraint)
252b5132 2001{
bcacc0f5 2002 const char *orig_secname = secname;
f0c87f88 2003 char *dollar = NULL;
aea4bd9d 2004 lang_output_section_statement_type *os;
5ba47421 2005 lang_statement_list_type add_child;
b5f14a6d 2006 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 2007 lang_statement_union_type **pl;
252b5132 2008
252b5132 2009 /* Look through the script to see where to place this section. */
0e1862bb 2010 if (!bfd_link_relocatable (&link_info)
d34c1c51 2011 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 2012 {
bcacc0f5 2013 size_t len = dollar - secname;
afd7a018 2014 char *newname = xmalloc (len + 1);
bcacc0f5 2015 memcpy (newname, secname, len);
afd7a018
AM
2016 newname[len] = '\0';
2017 secname = newname;
6eec49fc 2018 }
252b5132 2019
5ba47421
AM
2020 lang_list_init (&add_child);
2021
d127ecce
AM
2022 os = NULL;
2023 if (constraint == 0)
2024 for (os = lang_output_section_find (secname);
2025 os != NULL;
2026 os = next_matching_output_section_statement (os, 0))
2027 {
2028 /* If we don't match an existing output section, tell
2029 lang_insert_orphan to create a new output section. */
2030 constraint = SPECIAL;
2031
2032 if (os->bfd_section != NULL
2033 && (os->bfd_section->flags == 0
2034 || ((s->flags ^ os->bfd_section->flags)
2035 & (SEC_LOAD | SEC_ALLOC)) == 0))
2036 {
2037 /* We already have an output section statement with this
2038 name, and its bfd section has compatible flags.
2039 If the section already exists but does not have any flags set,
2040 then it has been created by the linker, probably as a result of
2041 a --section-start command line switch. */
b9c361e0 2042 lang_add_section (&add_child, s, NULL, os);
d127ecce
AM
2043 break;
2044 }
b5f14a6d
DD
2045
2046 /* Save unused output sections in case we can match them
2047 against orphans later. */
2048 if (os->bfd_section == NULL)
2049 match_by_name = os;
d127ecce
AM
2050 }
2051
b5f14a6d
DD
2052 /* If we didn't match an active output section, see if we matched an
2053 unused one and use that. */
2054 if (os == NULL && match_by_name)
2055 {
b9c361e0 2056 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
2057 return match_by_name;
2058 }
2059
d127ecce 2060 if (os == NULL)
252b5132 2061 {
afd7a018
AM
2062 static struct orphan_save hold[] =
2063 {
2064 { ".text",
2065 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2066 0, 0, 0, 0 },
d4874973
KT
2067 { ".idata",
2068 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2069 0, 0, 0, 0 },
afd7a018
AM
2070 { ".rdata",
2071 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2072 0, 0, 0, 0 },
2073 { ".data",
2074 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2075 0, 0, 0, 0 },
2076 { ".bss",
2077 SEC_ALLOC,
2078 0, 0, 0, 0 }
2079 };
2080 enum orphan_save_index
2081 {
2082 orphan_text = 0,
d4874973 2083 orphan_idata,
afd7a018
AM
2084 orphan_rodata,
2085 orphan_data,
2086 orphan_bss
2087 };
2088 static int orphan_init_done = 0;
6a345e87 2089 struct orphan_save *place;
afd7a018 2090 lang_output_section_statement_type *after;
252b5132 2091 etree_type *address;
93638471
AM
2092 flagword flags;
2093 asection *nexts;
afd7a018
AM
2094
2095 if (!orphan_init_done)
2096 {
2097 struct orphan_save *ho;
2098 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2099 if (ho->name != NULL)
2100 {
2101 ho->os = lang_output_section_find (ho->name);
2102 if (ho->os != NULL && ho->os->flags == 0)
2103 ho->os->flags = ho->flags;
2104 }
2105 orphan_init_done = 1;
2106 }
252b5132 2107
523f4c92
L
2108 flags = s->flags;
2109 if (!bfd_link_relocatable (&link_info))
2110 {
2111 nexts = s;
2112 while ((nexts = bfd_get_next_section_by_name (nexts->owner,
2113 nexts)))
2114 if (nexts->output_section == NULL
2115 && (nexts->flags & SEC_EXCLUDE) == 0
2116 && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
2117 && (nexts->owner->flags & DYNAMIC) == 0
00f93c44 2118 && !bfd_input_just_syms (nexts->owner))
523f4c92
L
2119 flags = (((flags ^ SEC_READONLY)
2120 | (nexts->flags ^ SEC_READONLY))
2121 ^ SEC_READONLY);
2122 }
2123
252b5132
RH
2124 /* Try to put the new output section in a reasonable place based
2125 on the section name and section flags. */
aea4bd9d 2126
252b5132 2127 place = NULL;
93638471 2128 if ((flags & SEC_ALLOC) == 0)
5ba47421 2129 ;
93638471 2130 else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
afd7a018 2131 place = &hold[orphan_bss];
93638471 2132 else if ((flags & SEC_READONLY) == 0)
afd7a018 2133 place = &hold[orphan_data];
93638471 2134 else if ((flags & SEC_CODE) == 0)
d4874973
KT
2135 {
2136 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2137 : &hold[orphan_rodata]);
2138 }
1af699f4 2139 else
afd7a018 2140 place = &hold[orphan_text];
1af699f4 2141
afd7a018 2142 after = NULL;
1af699f4
AM
2143 if (place != NULL)
2144 {
afd7a018
AM
2145 if (place->os == NULL)
2146 place->os = lang_output_section_find (place->name);
2147 after = place->os;
2148 if (after == NULL)
93638471
AM
2149 after = lang_output_section_find_by_flags (s, flags, &place->os,
2150 NULL);
afd7a018
AM
2151 if (after == NULL)
2152 /* *ABS* is always the first output section statement. */
5c1e6d53 2153 after = &lang_os_list.head->output_section_statement;
252b5132
RH
2154 }
2155
4bf0cafb
DK
2156 /* All sections in an executable must be aligned to a page boundary.
2157 In a relocatable link, just preserve the incoming alignment; the
2158 address is discarded by lang_insert_orphan in that case, anyway. */
afd7a018 2159 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
2160 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2161 &add_child);
0e1862bb 2162 if (bfd_link_relocatable (&link_info))
4bf0cafb 2163 {
3d9c8f6b 2164 os->section_alignment = exp_intop (1U << s->alignment_power);
4bf0cafb
DK
2165 os->bfd_section->alignment_power = s->alignment_power;
2166 }
252b5132
RH
2167 }
2168
011aa75f
AM
2169 /* If the section name has a '\$', sort it with the other '\$'
2170 sections. */
2171 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2172 {
2173 lang_input_section_type *ls;
2174 const char *lname;
252b5132 2175
011aa75f
AM
2176 if ((*pl)->header.type != lang_input_section_enum)
2177 continue;
252b5132 2178
011aa75f 2179 ls = &(*pl)->input_section;
252b5132 2180
fd361982 2181 lname = bfd_section_name (ls->section);
011aa75f
AM
2182 if (strchr (lname, '\$') != NULL
2183 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2184 break;
2185 }
5ba47421 2186
011aa75f
AM
2187 if (add_child.head != NULL)
2188 {
2189 *add_child.tail = *pl;
2190 *pl = add_child.head;
2191 }
252b5132 2192
c2edb4b8 2193 return os;
252b5132
RH
2194}
2195
b34976b6 2196static bfd_boolean
0c7a8e5a 2197gld_${EMULATION_NAME}_open_dynamic_archive
d127ecce
AM
2198 (const char *arch ATTRIBUTE_UNUSED,
2199 search_dirs_type *search,
0c7a8e5a 2200 lang_input_statement_type *entry)
690a460e 2201{
45e948fe
NC
2202 static const struct
2203 {
2204 const char * format;
2205 bfd_boolean use_prefix;
2206 }
2207 libname_fmt [] =
2208 {
2209 /* Preferred explicit import library for dll's. */
2210 { "lib%s.dll.a", FALSE },
2211 /* Alternate explicit import library for dll's. */
2212 { "%s.dll.a", FALSE },
2213 /* "libfoo.a" could be either an import lib or a static lib.
6c19b93b
AM
2214 For backwards compatibility, libfoo.a needs to precede
2215 libfoo.dll and foo.dll in the search. */
45e948fe 2216 { "lib%s.a", FALSE },
92b93329 2217 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe 2218 { "%s.lib", FALSE },
f6c4d4b1
NC
2219 /* PR 22948 - Check for an import library. */
2220 { "lib%s.lib", FALSE },
45e948fe
NC
2221#ifdef DLL_SUPPORT
2222 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2223 { "%s%s.dll", TRUE },
2224#endif
2225 /* Try "libfoo.dll" (default preferred dll name). */
2226 { "lib%s.dll", FALSE },
2227 /* Finally try 'native' dll name "foo.dll". */
2228 { "%s.dll", FALSE },
2229 /* Note: If adding more formats to this table, make sure to check to
2230 see if their length is longer than libname_fmt[0].format, and if
2231 so, update the call to xmalloc() below. */
2232 { NULL, FALSE }
2233 };
b1d9458a 2234 static unsigned int format_max_len = 0;
690a460e 2235 const char * filename;
45e948fe
NC
2236 char * full_string;
2237 char * base_string;
2238 unsigned int i;
2239
690a460e 2240
d4ae5fb0 2241 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
b34976b6 2242 return FALSE;
690a460e
NC
2243
2244 filename = entry->filename;
2245
b1d9458a
NC
2246 if (format_max_len == 0)
2247 /* We need to allow space in the memory that we are going to allocate
2248 for the characters in the format string. Since the format array is
2249 static we only need to calculate this information once. In theory
2250 this value could also be computed statically, but this introduces
2251 the possibility for a discrepancy and hence a possible memory
2252 corruption. The lengths we compute here will be too long because
2253 they will include any formating characters (%s) in the strings, but
2254 this will not matter. */
2255 for (i = 0; libname_fmt[i].format; i++)
2256 if (format_max_len < strlen (libname_fmt[i].format))
2257 format_max_len = strlen (libname_fmt[i].format);
2258
45e948fe
NC
2259 full_string = xmalloc (strlen (search->name)
2260 + strlen (filename)
b1d9458a 2261 + format_max_len
b9a69188 2262#ifdef DLL_SUPPORT
45e948fe
NC
2263 + (pe_dll_search_prefix
2264 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 2265#endif
b1d9458a
NC
2266 /* Allow for the terminating NUL and for the path
2267 separator character that is inserted between
2268 search->name and the start of the format string. */
2269 + 2);
690a460e 2270
45e948fe
NC
2271 sprintf (full_string, "%s/", search->name);
2272 base_string = full_string + strlen (full_string);
690a460e 2273
45e948fe 2274 for (i = 0; libname_fmt[i].format; i++)
690a460e 2275 {
92b93329 2276#ifdef DLL_SUPPORT
45e948fe 2277 if (libname_fmt[i].use_prefix)
1af699f4 2278 {
45e948fe
NC
2279 if (!pe_dll_search_prefix)
2280 continue;
2281 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2282 }
45e948fe
NC
2283 else
2284#endif
2285 sprintf (base_string, libname_fmt[i].format, filename);
2286
2287 if (ldfile_try_open_bfd (full_string, entry))
2288 break;
2289 }
2290
2291 if (!libname_fmt[i].format)
2292 {
2293 free (full_string);
2294 return FALSE;
690a460e 2295 }
602e90d3 2296
45e948fe 2297 entry->filename = full_string;
690a460e 2298
b34976b6 2299 return TRUE;
690a460e
NC
2300}
2301
344a211f 2302static int
0c7a8e5a
AM
2303gld_${EMULATION_NAME}_find_potential_libraries
2304 (char *name, lang_input_statement_type *entry)
344a211f
NC
2305{
2306 return ldfile_open_file_search (name, entry, "", ".lib");
2307}
252b5132
RH
2308\f
2309static char *
0c7a8e5a 2310gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2311EOF
2312# Scripts compiled in.
2313# sed commands to quote an ld script as a C string.
597e2591 2314sc="-f stringify.sed"
252b5132 2315
92b93329 2316fragment <<EOF
3fc90ddb 2317{
252b5132
RH
2318 *isfile = 0;
2319
0e1862bb 2320 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
2321 return
2322EOF
1af699f4 2323sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 2324echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
1af699f4
AM
2325sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2326echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2327sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2328echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2329sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0 2330if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
ca5f2203 2331echo ' ; 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
2332sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2333fi
1af699f4
AM
2334echo ' ; else return' >> e${EMULATION_NAME}.c
2335sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2336echo '; }' >> e${EMULATION_NAME}.c
252b5132 2337
92b93329 2338fragment <<EOF
252b5132
RH
2339
2340
3fc90ddb 2341struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2342{
2343 gld_${EMULATION_NAME}_before_parse,
2344 syslib_default,
2345 hll_default,
2346 gld_${EMULATION_NAME}_after_parse,
2347 gld_${EMULATION_NAME}_after_open,
5c3261b0 2348 after_check_relocs_default,
252b5132
RH
2349 after_allocation_default,
2350 set_output_arch_default,
2351 ldemul_default_target,
2352 gld_${EMULATION_NAME}_before_allocation,
2353 gld_${EMULATION_NAME}_get_script,
2354 "${EMULATION_NAME}",
2355 "${OUTPUT_FORMAT}",
4cd89863
NC
2356 gld_${EMULATION_NAME}_finish,
2357 NULL, /* Create output section statements. */
690a460e 2358 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2359 gld_${EMULATION_NAME}_place_orphan,
2360 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2361 NULL, /* parse_args */
2362 gld${EMULATION_NAME}_add_options,
2363 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2364 gld_${EMULATION_NAME}_unrecognized_file,
2365 gld_${EMULATION_NAME}_list_options,
344a211f 2366 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2367 gld_${EMULATION_NAME}_find_potential_libraries,
7a2f2d82
DD
2368 NULL, /* new_vers_pattern. */
2369 NULL /* extra_map_file_text. */
252b5132
RH
2370};
2371EOF
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