score formatting
[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
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
2be9b2c7
ILT
85/* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90#undef PE_DEF_SECTION_ALIGNMENT
91#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
92#endif
93
7148cc28
NC
94#if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
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)
0c7a8e5a
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)
5f577f7d
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)
dc9bd8c9 273#define OPTION_ENABLE_RELOC_SECTION (OPTION_BUILD_ID + 1)
252b5132 274
3bcf5557 275static void
0c7a8e5a 276gld${EMULATION_NAME}_add_options
d127ecce
AM
277 (int ns ATTRIBUTE_UNUSED,
278 char **shortopts ATTRIBUTE_UNUSED,
279 int nl,
280 struct option **longopts,
281 int nrl ATTRIBUTE_UNUSED,
282 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557 283{
27320b85
NC
284 static const struct option xtra_long[] =
285 {
286 /* PE options. */
3bcf5557
AM
287 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
288 {"dll", no_argument, NULL, OPTION_DLL},
289 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
290 {"heap", required_argument, NULL, OPTION_HEAP},
291 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
292 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
293 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
294 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
295 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
296 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
297 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
298 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
299 {"stack", required_argument, NULL, OPTION_STACK},
300 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
301 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
302 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
303 {"use-nul-prefixed-import-tables", no_argument, NULL,
304 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT
305 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
306 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
0cb112f7 307 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
eeb14e5a 308 {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
c6c37250 309#ifdef DLL_SUPPORT
d127ecce
AM
310 /* getopt allows abbreviations, so we do this to stop it
311 from treating -o as an abbreviation for this option. */
3bcf5557
AM
312 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
313 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
314 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
315 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 316 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
3bcf5557 317 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 318 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
319 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
320 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
321 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
322 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
3bcf5557
AM
323 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
324 /* getopt() allows abbreviations, so we do this to stop it from
325 treating -c as an abbreviation for these --compat-implib. */
326 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
327 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
d0e6d77b 328 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
3bcf5557
AM
329 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
330 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
331 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
332 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
333 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
334 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
335 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
336 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
337 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
338 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 339#endif
26d2d8a2 340 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
f69a2f97 341 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
88183869
DK
342 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
343 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
344 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
345 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
346 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
347 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
348 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
349 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
350 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
351 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
61e2488c 352 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
dc9bd8c9 353 {"enable-reloc-section", no_argument, NULL, OPTION_ENABLE_RELOC_SECTION},
3bcf5557
AM
354 {NULL, no_argument, NULL, 0}
355 };
252b5132 356
d127ecce
AM
357 *longopts
358 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
3bcf5557
AM
359 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
360}
252b5132
RH
361
362/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 363 parameters which may be input from the command line. */
252b5132
RH
364
365typedef struct
366{
367 void *ptr;
368 int size;
369 int value;
370 char *symbol;
371 int inited;
522f09cd
KT
372 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
373 C visible symbols can be prefixed by underscore dependent to target's
374 settings. */
375 bfd_boolean is_c_symbol;
252b5132
RH
376} definfo;
377
522f09cd
KT
378/* Get symbol name dependent to kind and C visible state of
379 underscore. */
380#define GET_INIT_SYMBOL_NAME(IDX) \
381 (init[(IDX)].symbol \
535b785f 382 + ((!init[(IDX)].is_c_symbol || is_underscoring () != 0) ? 0 : 1))
522f09cd
KT
383
384/* Decorates the C visible symbol by underscore, if target requires. */
385#define U(CSTR) \
d74720d2 386 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
522f09cd 387
61e2488c 388#define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc}
252b5132
RH
389
390static definfo init[] =
391{
392 /* imagebase must be first */
393#define IMAGEBASEOFF 0
522f09cd 394 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
252b5132 395#define DLLOFF 1
522f09cd 396 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
dffc6a64 397#define MSIMAGEBASEOFF 2
522f09cd
KT
398 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
399 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
400 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
401 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
402 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
403 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
404 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
7148cc28 405#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
522f09cd 406 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
344a211f 407#else
522f09cd 408 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
344a211f 409#endif
522f09cd
KT
410 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
411 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
412 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
413 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
414 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
415 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
416 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
417 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
418 { NULL, 0, 0, NULL, 0 , FALSE}
252b5132
RH
419};
420
4cd89863 421
252b5132 422static void
0c7a8e5a 423gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
424{
425 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
426 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
427 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
428 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
429 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
430 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
431 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
432 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
433 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
434 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
435 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
436 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
437 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
438 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
439 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 440 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
6f798e5c 441 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
eeb14e5a 442 fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n"));
0cb112f7 443 fprintf (file, _(" This makes binaries non-deterministic\n"));
c6c37250 444#ifdef DLL_SUPPORT
252b5132
RH
445 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
446 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
447 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
448 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 449 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
b34976b6 450 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
451 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
452 fprintf (file, _(" Exclude objects, archive members from auto\n"));
453 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
454 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
455 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
252b5132 456 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
d0e6d77b 457 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
e3c8793a
NC
458 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
459 create __imp_<SYMBOL> as well.\n"));
d0e6d77b
CF
460 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
461 (optionally starting with address) unless\n\
462 specifically set with --image-base\n"));
5f577f7d 463 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
464 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
465 an importlib, use <string><basename>.dll\n\
e3c8793a 466 in preference to lib<basename>.dll \n"));
c85f715a 467 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
e3c8793a 468 __imp_sym for DATA references\n"));
decc3638 469 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 470 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
471 adding pseudo-relocations resolved at\n\
472 runtime.\n"));
2fa9fc65
NC
473 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
474 auto-imported DATA.\n"));
e3c8793a
NC
475 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
476 or linking to DLLs (esp. auto-import)\n"));
252b5132 477#endif
26d2d8a2
BF
478 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
479 greater than 2 gigabytes\n"));
f69a2f97
NC
480 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
481 addresses greater than 2 gigabytes\n"));
88183869
DK
482 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
483 executable image files\n"));
484 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
485 in object files\n"));
df5f2391
AM
486 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
487 address space layout randomization (ASLR)\n"));
dc9bd8c9 488 fprintf (file, _(" --enable-reloc-section Create the base relocation table\n"));
df5f2391
AM
489 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
490 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
491 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
492 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
493 be called in this image\n"));
494 fprintf (file, _(" --no-bind Do not bind this image\n"));
495 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 496 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
61e2488c 497 fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
252b5132
RH
498}
499
4cd89863 500
252b5132 501static void
0c7a8e5a 502set_pe_name (char *name, long val)
252b5132 503{
d74720d2
KT
504 int i;
505 is_underscoring ();
4cd89863
NC
506
507 /* Find the name and set it. */
252b5132
RH
508 for (i = 0; init[i].ptr; i++)
509 {
522f09cd 510 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
252b5132
RH
511 {
512 init[i].value = val;
513 init[i].inited = 1;
dffc6a64
KT
514 if (strcmp (name,"__image_base__") == 0)
515 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
516 return;
517 }
518 }
939ba9d0 519 abort ();
252b5132
RH
520}
521
decfa41e
KT
522static void
523set_entry_point (void)
524{
525 const char *entry;
526 const char *initial_symbol_char;
d74720d2 527 int i;
decfa41e
KT
528
529 static const struct
6c19b93b
AM
530 {
531 const int value;
532 const char *entry;
533 }
decfa41e
KT
534 v[] =
535 {
536 { 1, "NtProcessStartup" },
537 { 2, "WinMainCRTStartup" },
538 { 3, "mainCRTStartup" },
539 { 7, "__PosixProcessStartup"},
540 { 9, "WinMainCRTStartup" },
541 {14, "mainCRTStartup" },
542 { 0, NULL }
543 };
544
545 /* Entry point name for arbitrary subsystem numbers. */
546 static const char default_entry[] = "mainCRTStartup";
547
0e1862bb 548 if (bfd_link_pic (&link_info) || dll)
decfa41e
KT
549 {
550#if defined (TARGET_IS_i386pe)
551 entry = "DllMainCRTStartup@12";
552#else
553 entry = "DllMainCRTStartup";
554#endif
555 }
556 else
557 {
decfa41e 558 for (i = 0; v[i].entry; i++)
6c19b93b
AM
559 if (v[i].value == pe_subsystem)
560 break;
decfa41e
KT
561
562 /* If no match, use the default. */
563 if (v[i].entry != NULL)
6c19b93b 564 entry = v[i].entry;
decfa41e 565 else
6c19b93b 566 entry = default_entry;
decfa41e
KT
567 }
568
d74720d2 569 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
522f09cd 570
decfa41e
KT
571 if (*initial_symbol_char != '\0')
572 {
573 char *alc_entry;
574
575 /* lang_default_entry expects its argument to be permanently
576 allocated, so we don't free this string. */
577 alc_entry = xmalloc (strlen (initial_symbol_char)
578 + strlen (entry)
579 + 1);
580 strcpy (alc_entry, initial_symbol_char);
581 strcat (alc_entry, entry);
582 entry = alc_entry;
583 }
584
585 lang_default_entry (entry);
586}
252b5132
RH
587
588static void
0c7a8e5a 589set_pe_subsystem (void)
252b5132
RH
590{
591 const char *sver;
33f362e1 592 char *end;
252b5132
RH
593 int len;
594 int i;
33f362e1 595 unsigned long temp_subsystem;
3fc90ddb 596 static const struct
252b5132
RH
597 {
598 const char *name;
599 const int value;
252b5132
RH
600 }
601 v[] =
602 {
decfa41e
KT
603 { "native", 1},
604 { "windows", 2},
605 { "console", 3},
606 { "posix", 7},
607 { "wince", 9},
608 { "xbox", 14},
609 { NULL, 0 }
252b5132
RH
610 };
611
33f362e1 612 /* Check for the presence of a version number. */
252b5132
RH
613 sver = strchr (optarg, ':');
614 if (sver == NULL)
615 len = strlen (optarg);
616 else
617 {
252b5132
RH
618 len = sver - optarg;
619 set_pe_name ("__major_subsystem_version__",
decfa41e 620 strtoul (sver + 1, &end, 0));
252b5132
RH
621 if (*end == '.')
622 set_pe_name ("__minor_subsystem_version__",
decfa41e 623 strtoul (end + 1, &end, 0));
252b5132
RH
624 if (*end != '\0')
625 einfo (_("%P: warning: bad version number in -subsystem option\n"));
626 }
627
33f362e1
NC
628 /* Check for numeric subsystem. */
629 temp_subsystem = strtoul (optarg, & end, 0);
630 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 631 {
33f362e1
NC
632 /* Search list for a numeric match to use its entry point. */
633 for (i = 0; v[i].name; i++)
634 if (v[i].value == (int) temp_subsystem)
635 break;
636
33f362e1 637 /* Use this subsystem. */
decfa41e 638 pe_subsystem = (int) temp_subsystem;
33f362e1
NC
639 }
640 else
641 {
642 /* Search for subsystem by name. */
643 for (i = 0; v[i].name; i++)
644 if (strncmp (optarg, v[i].name, len) == 0
645 && v[i].name[len] == '\0')
646 break;
252b5132 647
33f362e1
NC
648 if (v[i].name == NULL)
649 {
df5f2391 650 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
252b5132
RH
651 return;
652 }
33f362e1 653
decfa41e 654 pe_subsystem = v[i].value;
252b5132 655 }
3fc90ddb 656
decfa41e 657 set_pe_name ("__subsystem__", pe_subsystem);
33f362e1
NC
658
659 return;
252b5132
RH
660}
661
662
252b5132 663static void
0c7a8e5a 664set_pe_value (char *name)
252b5132
RH
665{
666 char *end;
3fc90ddb 667
252b5132 668 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 669
252b5132 670 if (end == optarg)
df5f2391 671 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
252b5132
RH
672
673 optarg = end;
674}
675
4cd89863 676
252b5132 677static void
0c7a8e5a 678set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
679{
680 set_pe_value (resname);
3fc90ddb 681
252b5132
RH
682 if (*optarg == ',')
683 {
684 optarg++;
685 set_pe_value (comname);
686 }
687 else if (*optarg)
df5f2391 688 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
252b5132
RH
689}
690
61e2488c 691#define DEFAULT_BUILD_ID_STYLE "md5"
252b5132 692
3bcf5557 693static bfd_boolean
0c7a8e5a 694gld${EMULATION_NAME}_handle_option (int optc)
252b5132 695{
252b5132
RH
696 switch (optc)
697 {
698 default:
3bcf5557 699 return FALSE;
252b5132
RH
700
701 case OPTION_BASE_FILE:
0c7a8e5a 702 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 703 if (link_info.base_file == NULL)
e922bcab 704 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
705 break;
706
4cd89863 707 /* PE options. */
3fc90ddb 708 case OPTION_HEAP:
252b5132
RH
709 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
710 break;
3fc90ddb 711 case OPTION_STACK:
252b5132
RH
712 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
713 break;
714 case OPTION_SUBSYSTEM:
715 set_pe_subsystem ();
716 break;
717 case OPTION_MAJOR_OS_VERSION:
718 set_pe_value ("__major_os_version__");
719 break;
720 case OPTION_MINOR_OS_VERSION:
721 set_pe_value ("__minor_os_version__");
722 break;
723 case OPTION_MAJOR_SUBSYSTEM_VERSION:
724 set_pe_value ("__major_subsystem_version__");
725 break;
726 case OPTION_MINOR_SUBSYSTEM_VERSION:
727 set_pe_value ("__minor_subsystem_version__");
728 break;
729 case OPTION_MAJOR_IMAGE_VERSION:
730 set_pe_value ("__major_image_version__");
731 break;
732 case OPTION_MINOR_IMAGE_VERSION:
733 set_pe_value ("__minor_image_version__");
734 break;
735 case OPTION_FILE_ALIGNMENT:
736 set_pe_value ("__file_alignment__");
737 break;
738 case OPTION_SECTION_ALIGNMENT:
739 set_pe_value ("__section_alignment__");
740 break;
741 case OPTION_DLL:
742 set_pe_name ("__dll__", 1);
743 break;
744 case OPTION_IMAGE_BASE:
745 set_pe_value ("__image_base__");
746 break;
747 case OPTION_SUPPORT_OLD_CODE:
748 support_old_code = 1;
749 break;
6f798e5c
NC
750 case OPTION_THUMB_ENTRY:
751 thumb_entry_symbol = optarg;
752 break;
ce11ba6c
KT
753 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
754 pe_use_nul_prefixed_import_tables = TRUE;
755 break;
522f09cd
KT
756 case OPTION_NO_LEADING_UNDERSCORE:
757 pe_leading_underscore = 0;
758 break;
759 case OPTION_LEADING_UNDERSCORE:
760 pe_leading_underscore = 1;
761 break;
0cb112f7
CF
762 case OPTION_INSERT_TIMESTAMP:
763 insert_timestamp = TRUE;
764 break;
eeb14e5a
LZ
765 case OPTION_NO_INSERT_TIMESTAMP:
766 insert_timestamp = FALSE;
767 break;
c6c37250 768#ifdef DLL_SUPPORT
252b5132
RH
769 case OPTION_OUT_DEF:
770 pe_out_def_filename = xstrdup (optarg);
771 break;
772 case OPTION_EXPORT_ALL:
773 pe_dll_export_everything = 1;
774 break;
775 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 776 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79 777 break;
2927aaca
NC
778 case OPTION_EXCLUDE_ALL_SYMBOLS:
779 pe_dll_exclude_all_symbols = 1;
780 break;
70b0be79 781 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
782 pe_dll_add_excludes (optarg, EXCLUDELIBS);
783 break;
784 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
785 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
786 break;
787 case OPTION_KILL_ATS:
788 pe_dll_kill_ats = 1;
789 break;
790 case OPTION_STDCALL_ALIASES:
791 pe_dll_stdcall_aliases = 1;
792 break;
793 case OPTION_ENABLE_STDCALL_FIXUP:
794 pe_enable_stdcall_fixup = 1;
795 break;
796 case OPTION_DISABLE_STDCALL_FIXUP:
797 pe_enable_stdcall_fixup = 0;
798 break;
870df5dc
NC
799 case OPTION_WARN_DUPLICATE_EXPORTS:
800 pe_dll_warn_dup_exports = 1;
801 break;
802 case OPTION_IMP_COMPAT:
803 pe_dll_compat_implib = 1;
804 break;
5f577f7d
DD
805 case OPTION_ENABLE_AUTO_IMAGE_BASE:
806 pe_enable_auto_image_base = 1;
d0e6d77b
CF
807 if (optarg && *optarg)
808 {
809 char *end;
61e2488c 810 pe_auto_image_base = strtoul (optarg, &end, 0);
d0e6d77b
CF
811 /* XXX should check that we actually parsed something */
812 }
5f577f7d
DD
813 break;
814 case OPTION_DISABLE_AUTO_IMAGE_BASE:
815 pe_enable_auto_image_base = 0;
816 break;
627427de 817 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 818 pe_dll_search_prefix = xstrdup (optarg);
627427de 819 break;
1122a5fc
NC
820 case OPTION_NO_DEFAULT_EXCLUDES:
821 pe_dll_do_default_excludes = 0;
822 break;
decc3638 823 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 824 link_info.pei386_auto_import = 1;
decc3638
CW
825 break;
826 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 827 link_info.pei386_auto_import = 0;
decc3638 828 break;
2fa9fc65 829 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
e468a046
KT
830 link_info.pei386_runtime_pseudo_reloc =
831 DEFAULT_PSEUDO_RELOC_VERSION;
2fa9fc65 832 break;
6cb442d3
KT
833 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
834 link_info.pei386_runtime_pseudo_reloc = 1;
835 break;
836 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
837 link_info.pei386_runtime_pseudo_reloc = 2;
838 break;
2fa9fc65
NC
839 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
840 link_info.pei386_runtime_pseudo_reloc = 0;
841 break;
decc3638
CW
842 case OPTION_ENABLE_EXTRA_PE_DEBUG:
843 pe_dll_extra_pe_debug = 1;
844 break;
c6c37250 845#endif
26d2d8a2
BF
846 case OPTION_LARGE_ADDRESS_AWARE:
847 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
848 break;
f69a2f97
NC
849 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
850 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
851 break;
88183869
DK
852 case OPTION_ENABLE_LONG_SECTION_NAMES:
853 pe_use_coff_long_section_names = 1;
854 break;
855 case OPTION_DISABLE_LONG_SECTION_NAMES:
856 pe_use_coff_long_section_names = 0;
857 break;
2f563b51
DK
858/* Get DLLCharacteristics bits */
859 case OPTION_DYNAMIC_BASE:
860 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
dc9bd8c9
HD
861 /* fall through */
862 case OPTION_ENABLE_RELOC_SECTION:
863 pe_dll_enable_reloc_section = 1;
2f563b51
DK
864 break;
865 case OPTION_FORCE_INTEGRITY:
866 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
867 break;
868 case OPTION_NX_COMPAT:
869 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
870 break;
871 case OPTION_NO_ISOLATION:
872 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
873 break;
874 case OPTION_NO_SEH:
875 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
876 break;
877 case OPTION_NO_BIND:
878 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
879 break;
880 case OPTION_WDM_DRIVER:
881 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
882 break;
883 case OPTION_TERMINAL_SERVER_AWARE:
884 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
885 break;
61e2488c
JT
886 case OPTION_BUILD_ID:
887 if (emit_build_id != NULL)
888 {
889 free ((char *) emit_build_id);
890 emit_build_id = NULL;
891 }
892 if (optarg == NULL)
893 optarg = DEFAULT_BUILD_ID_STYLE;
894 if (strcmp (optarg, "none"))
895 emit_build_id = xstrdup (optarg);
896 break;
252b5132 897 }
2f563b51
DK
898
899 /* Set DLLCharacteristics bits */
900 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
901
3bcf5557 902 return TRUE;
252b5132
RH
903}
904\f
5f577f7d 905
2ef53d66 906#ifdef DLL_SUPPORT
3fc90ddb 907static unsigned long
5f577f7d
DD
908strhash (const char *str)
909{
910 const unsigned char *s;
911 unsigned long hash;
912 unsigned int c;
913 unsigned int len;
914
915 hash = 0;
916 len = 0;
917 s = (const unsigned char *) str;
918 while ((c = *s++) != '\0')
919 {
920 hash += c + (c << 17);
921 hash ^= hash >> 2;
922 ++len;
923 }
924 hash += len + (len << 17);
925 hash ^= hash >> 2;
926
927 return hash;
928}
929
4cd89863
NC
930/* Use the output file to create a image base for relocatable DLLs. */
931
5f577f7d
DD
932static unsigned long
933compute_dll_image_base (const char *ofile)
934{
935 unsigned long hash = strhash (ofile);
d0e6d77b 936 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
5f577f7d 937}
2ef53d66 938#endif
5f577f7d 939
252b5132
RH
940/* Assign values to the special symbols before the linker script is
941 read. */
942
943static void
0c7a8e5a 944gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
945{
946 /* Run through and invent symbols for all the
4cd89863 947 names and insert the defaults. */
d74720d2 948 int j;
b804e4af 949
d74720d2 950 is_underscoring ();
252b5132
RH
951
952 if (!init[IMAGEBASEOFF].inited)
953 {
0e1862bb 954 if (bfd_link_relocatable (&link_info))
252b5132 955 init[IMAGEBASEOFF].value = 0;
0e1862bb 956 else if (init[DLLOFF].value || bfd_link_dll (&link_info))
d127ecce 957 {
2ef53d66 958#ifdef DLL_SUPPORT
d127ecce
AM
959 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
960 ? compute_dll_image_base (output_filename)
961 : NT_DLL_IMAGE_BASE);
2ef53d66 962#else
d127ecce 963 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
2ef53d66 964#endif
d127ecce 965 }
252b5132
RH
966 else
967 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 968 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
969 }
970
1049f94e 971 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 972 if (bfd_link_relocatable (&link_info))
252b5132
RH
973 return;
974
4cd89863 975 /* Glue the assignments into the abs section. */
bde18da4 976 push_stat_ptr (&abs_output_section->children);
252b5132
RH
977
978 for (j = 0; init[j].ptr; j++)
979 {
980 long val = init[j].value;
981 lang_assignment_statement_type *rv;
522f09cd 982
2e57b2af 983 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
eb8476a6 984 exp_intop (val), FALSE));
939ba9d0
NC
985 if (init[j].size == sizeof (short))
986 *(short *) init[j].ptr = val;
987 else if (init[j].size == sizeof (int))
988 *(int *) init[j].ptr = val;
989 else if (init[j].size == sizeof (long))
990 *(long *) init[j].ptr = val;
252b5132 991 /* This might be a long long or other special type. */
939ba9d0
NC
992 else if (init[j].size == sizeof (bfd_vma))
993 *(bfd_vma *) init[j].ptr = val;
994 else abort ();
252b5132
RH
995 if (j == IMAGEBASEOFF)
996 image_base_statement = rv;
997 }
4cd89863 998 /* Restore the pointer. */
bde18da4 999 pop_stat_ptr ();
3fc90ddb 1000
d127ecce 1001 if (pe.FileAlignment > pe.SectionAlignment)
252b5132 1002 {
df5f2391 1003 einfo (_("%P: warning, file alignment > section alignment\n"));
252b5132
RH
1004 }
1005}
1006
1007/* This is called after the linker script and the command line options
1008 have been read. */
1009
1010static void
0c7a8e5a 1011gld_${EMULATION_NAME}_after_parse (void)
252b5132 1012{
8b747e1a
DK
1013 /* PR ld/6744: Warn the user if they have used an ELF-only
1014 option hoping it will work on PE. */
1015 if (link_info.export_dynamic)
1016 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1017 "targets, did you mean --export-all-symbols?\n"));
97b11f40 1018
decfa41e
KT
1019 set_entry_point ();
1020
97b11f40 1021 after_parse_default ();
252b5132
RH
1022}
1023
2ef53d66 1024#ifdef DLL_SUPPORT
252b5132
RH
1025static struct bfd_link_hash_entry *pe_undef_found_sym;
1026
b34976b6 1027static bfd_boolean
0c7a8e5a 1028pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 1029{
decc3638 1030 int sl;
0c7a8e5a 1031 char *string = inf;
8a9eab9b 1032 const char *hs = h->root.string;
4cd89863 1033
0c7a8e5a 1034 sl = strlen (string);
252b5132 1035 if (h->type == bfd_link_hash_defined
8a9eab9b
KT
1036 && ((*hs == '@' && *string == '_'
1037 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1038 || strncmp (hs, string, sl) == 0)
252b5132 1039 && h->root.string[sl] == '@')
decc3638
CW
1040 {
1041 pe_undef_found_sym = h;
b34976b6 1042 return FALSE;
decc3638 1043 }
b34976b6 1044 return TRUE;
252b5132
RH
1045}
1046
67f101ee
NC
1047/* Change UNDEF to a defined symbol, taking data from SYM. */
1048
1049static void
1050change_undef (struct bfd_link_hash_entry * undef,
1051 struct bfd_link_hash_entry * sym)
1052{
1053 static bfd_boolean gave_warning_message = FALSE;
1054
1055 undef->type = bfd_link_hash_defined;
1056 undef->u.def.value = sym->u.def.value;
1057 undef->u.def.section = sym->u.def.section;
1058
1059 if (pe_enable_stdcall_fixup == -1)
1060 {
df5f2391 1061 einfo (_("%P: warning: resolving %s by linking to %s\n"),
67f101ee
NC
1062 undef->root.string, sym->root.string);
1063
1064 if (! gave_warning_message)
1065 {
1066 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1067 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1068 gave_warning_message = TRUE;
1069 }
1070 }
1071
1072 /* PR 19803: Make sure that the linked symbol is not garbage collected. */
1073 lang_add_gc_name (sym->root.string);
1074}
1075
252b5132 1076static void
0c7a8e5a 1077pe_fixup_stdcalls (void)
252b5132 1078{
252b5132 1079 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1080
3fc90ddb 1081 if (pe_dll_extra_pe_debug)
c9e38879 1082 printf ("%s\n", __FUNCTION__);
3fc90ddb 1083
f6e332e6 1084 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 1085 if (undef->type == bfd_link_hash_undefined)
252b5132 1086 {
67f101ee
NC
1087 const char * name = undef->root.string;
1088 char * at;
1089 int lead_at = (*name == '@');
1090
8a9eab9b 1091 if (lead_at)
67f101ee
NC
1092 at = strchr (name + 1, '@');
1093 else
1094 at = strchr (name, '@');
b34976b6 1095
8a9eab9b 1096 if (at || lead_at)
c9e38879
NC
1097 {
1098 /* The symbol is a stdcall symbol, so let's look for a
1099 cdecl symbol with the same name and resolve to that. */
67f101ee 1100 char *cname = xstrdup (name);
8a9eab9b
KT
1101
1102 if (lead_at)
1103 *cname = '_';
6c19b93b 1104 if (at)
67f101ee
NC
1105 * strchr (cname, '@') = 0;
1106 sym = bfd_link_hash_lookup (link_info.hash, cname, FALSE, FALSE, TRUE);
c9e38879
NC
1107
1108 if (sym && sym->type == bfd_link_hash_defined)
67f101ee 1109 change_undef (undef, sym);
c9e38879
NC
1110 }
1111 else
1112 {
1113 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 1114 symbols - which means scanning the whole symbol table. */
67f101ee 1115 pe_undef_found_sym = NULL;
c9e38879 1116 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
67f101ee
NC
1117 (char *) name);
1118 if (pe_undef_found_sym)
1119 change_undef (undef, pe_undef_found_sym);
c9e38879 1120 }
252b5132 1121 }
252b5132 1122}
decc3638 1123
317ff008
EB
1124static void
1125make_import_fixup (arelent *rel, asection *s, char *name, const char *symname)
decc3638 1126{
fc0a2244 1127 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1128 char addend[4];
317ff008 1129 bfd_vma _addend;
decc3638 1130
3fc90ddb 1131 if (pe_dll_extra_pe_debug)
c9e38879 1132 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1133 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1134
c99b8138 1135 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
df5f2391 1136 einfo (_("%P: %C: cannot get section contents - auto-import exception\n"),
c9e38879 1137 s->owner, s, rel->address);
0d888aac 1138
317ff008
EB
1139 _addend = bfd_get_32 (s->owner, addend);
1140 pe_create_import_fixup (rel, s, _addend, name, symname);
decc3638 1141}
252b5132 1142
b34976b6 1143static bfd_boolean
0c7a8e5a 1144pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1145{
80cc85a9 1146 printf ("+%s\n", h->string);
c9e38879 1147
b34976b6 1148 return TRUE;
decc3638 1149}
4b83d615 1150#endif /* DLL_SUPPORT */
decc3638 1151
e4492aa0 1152static void
3efd345c
DK
1153debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1154{
1155 int *found = (int *) obj;
1156 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1157 *found = 1;
1158}
decc3638 1159
61e2488c
JT
1160static bfd_boolean
1161pecoff_checksum_contents (bfd *abfd,
1162 void (*process) (const void *, size_t, void *),
1163 void *arg)
1164{
1165 file_ptr filepos = (file_ptr) 0;
1166
1167 while (1)
1168 {
1169 unsigned char b;
1170 int status;
1171
1172 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
1173 return 0;
1174
1175 status = bfd_bread (&b, (bfd_size_type) 1, abfd);
1176 if (status < 1)
6c19b93b
AM
1177 {
1178 break;
1179 }
61e2488c
JT
1180
1181 (*process) (&b, 1, arg);
1182 filepos += 1;
1183 }
1184
1185 return TRUE;
1186}
1187
1188static bfd_boolean
1189write_build_id (bfd *abfd)
1190{
1191 struct pe_tdata *t = pe_data (abfd);
1192 asection *asec;
1193 struct bfd_link_order *link_order = NULL;
1194 unsigned char *contents;
1195 bfd_size_type size;
1196 bfd_size_type build_id_size;
1197 unsigned char *build_id;
1198
74fffc39 1199 /* Find the section the .buildid output section has been merged info. */
61e2488c
JT
1200 for (asec = abfd->sections; asec != NULL; asec = asec->next)
1201 {
1202 struct bfd_link_order *l = NULL;
1203 for (l = asec->map_head.link_order; l != NULL; l = l->next)
6c19b93b
AM
1204 {
1205 if (l->type == bfd_indirect_link_order)
1206 {
1207 if (l->u.indirect.section == t->build_id.sec)
1208 {
1209 link_order = l;
1210 break;
1211 }
1212 }
1213 }
61e2488c
JT
1214
1215 if (link_order)
6c19b93b 1216 break;
61e2488c
JT
1217 }
1218
1219 if (!link_order)
1220 {
74fffc39 1221 einfo (_("%P: warning: .buildid section discarded,"
df5f2391 1222 " --build-id ignored\n"));
61e2488c
JT
1223 return TRUE;
1224 }
1225
1226 if (t->build_id.sec->contents == NULL)
1227 t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
1228 contents = t->build_id.sec->contents;
1229 size = t->build_id.sec->size;
1230
1231 build_id_size = compute_build_id_size (t->build_id.style);
1232 build_id = xmalloc (build_id_size);
1233 generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
1234
1235 bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
1236
1237 /* Construct a debug directory entry which points to an immediately following CodeView record. */
1238 struct internal_IMAGE_DEBUG_DIRECTORY idd;
1239 idd.Characteristics = 0;
1240 idd.TimeDateStamp = 0;
1241 idd.MajorVersion = 0;
1242 idd.MinorVersion = 0;
1243 idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
1244 idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
1245 idd.AddressOfRawData = asec->vma - ib + link_order->offset
1246 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1247 idd.PointerToRawData = asec->filepos + link_order->offset
1248 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1249
1250 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
1251 _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
1252
1253 /* Write the debug directory entry. */
1254 if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
1255 return 0;
1256
b6518b38 1257 if (bfd_bwrite (contents, size, abfd) != size)
61e2488c
JT
1258 return 0;
1259
1260 /* Construct the CodeView record. */
1261 CODEVIEW_INFO cvinfo;
1262 cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
1263 cvinfo.Age = 1;
1264
1265 /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
1266 memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
1267 memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
1268 ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
1269
1270 free (build_id);
1271
1272 /* Write the codeview record. */
1273 if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
1274 return 0;
1275
1276 /* Record the location of the debug directory in the data directory. */
1277 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
1278 = asec->vma - ib + link_order->offset;
1279 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
1280 = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1281
1282 return TRUE;
1283}
1284
74fffc39 1285/* Make .buildid section, and set up coff_tdata->build_id. */
61e2488c
JT
1286static bfd_boolean
1287setup_build_id (bfd *ibfd)
1288{
1289 asection *s;
1290 flagword flags;
1291
1292 if (!validate_build_id_style (emit_build_id))
1293 {
df5f2391 1294 einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
61e2488c
JT
1295 return FALSE;
1296 }
1297
1298 flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1299 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
74fffc39 1300 s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
61e2488c
JT
1301 if (s != NULL)
1302 {
1303 struct pe_tdata *t = pe_data (link_info.output_bfd);
1304 t->build_id.after_write_object_contents = &write_build_id;
1305 t->build_id.style = emit_build_id;
1306 t->build_id.sec = s;
1307
1308 /* Section is a fixed size:
1309 One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
1310 pointing at a CV_INFO_PDB70 record containing the build-id, with a
1311 null byte for PdbFileName. */
1312 s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
1313 + sizeof (CV_INFO_PDB70) + 1;
1314
1315 return TRUE;
1316 }
1317
df5f2391
AM
1318 einfo (_("%P: warning: cannot create .buildid section,"
1319 " --build-id ignored\n"));
61e2488c
JT
1320 return FALSE;
1321}
1322
252b5132 1323static void
0c7a8e5a 1324gld_${EMULATION_NAME}_after_open (void)
252b5132 1325{
5c3049d2
AM
1326 after_open_default ();
1327
4b83d615 1328#ifdef DLL_SUPPORT
3fc90ddb 1329 if (pe_dll_extra_pe_debug)
decc3638
CW
1330 {
1331 bfd *a;
1332 struct bfd_link_hash_entry *sym;
c9e38879 1333
decc3638
CW
1334 printf ("%s()\n", __FUNCTION__);
1335
f6e332e6 1336 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1337 printf ("-%s\n", sym->root.string);
0c7a8e5a 1338 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638 1339
c72f2fb2 1340 for (a = link_info.input_bfds; a; a = a->link.next)
c9e38879 1341 printf ("*%s\n",a->filename);
decc3638 1342 }
4b83d615 1343#endif
3fc90ddb 1344
61e2488c
JT
1345 if (emit_build_id != NULL)
1346 {
1347 bfd *abfd;
1348
1349 /* Find a COFF input. */
1350 for (abfd = link_info.input_bfds;
c72f2fb2 1351 abfd != (bfd *) NULL; abfd = abfd->link.next)
61e2488c
JT
1352 if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1353 break;
1354
1355 /* If there are no COFF input files do not try to
1356 add a build-id section. */
1357 if (abfd == NULL
1358 || !setup_build_id (abfd))
1359 {
1360 free ((char *) emit_build_id);
1361 emit_build_id = NULL;
1362 }
1363 }
1364
252b5132
RH
1365 /* Pass the wacky PE command line options into the output bfd.
1366 FIXME: This should be done via a function, rather than by
1367 including an internal BFD header. */
3fc90ddb 1368
eabf307f
AM
1369 if (bfd_get_flavour (link_info.output_bfd) != bfd_target_coff_flavour
1370 || coff_data (link_info.output_bfd) == NULL
f13a99db 1371 || coff_data (link_info.output_bfd)->pe == 0)
df5f2391 1372 einfo (_("%F%P: cannot perform PE operations on non PE output file '%pB'\n"),
f13a99db 1373 link_info.output_bfd);
252b5132 1374
f13a99db
AM
1375 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1376 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1377 pe_data (link_info.output_bfd)->real_flags |= real_flags;
0cb112f7 1378 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
3efd345c
DK
1379
1380 /* At this point we must decide whether to use long section names
1381 in the output or not. If the user hasn't explicitly specified
1382 on the command line, we leave it to the default for the format
1383 (object files yes, image files no), except if there is debug
1384 information present; GDB relies on the long section names to
1385 find it, so enable it in that case. */
1386 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1387 {
0e1862bb 1388 if (bfd_link_relocatable (&link_info))
61e2488c
JT
1389 pe_use_coff_long_section_names = 1;
1390 else
3efd345c 1391 {
61e2488c
JT
1392 /* Iterate over all sections of all input BFDs, checking
1393 for any that begin 'debug_' and are long names. */
1394 LANG_FOR_EACH_INPUT_STATEMENT (is)
1395 {
1396 int found_debug = 0;
1397
1398 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1399 if (found_debug)
1400 {
1401 pe_use_coff_long_section_names = 1;
1402 break;
1403 }
1404 }
3efd345c
DK
1405 }
1406 }
1407
88183869 1408 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1409
c6c37250 1410#ifdef DLL_SUPPORT
f13a99db 1411 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1412
317ff008
EB
1413 if (link_info.pei386_auto_import) /* -1=warn or 1=enable */
1414 pe_find_data_imports (U ("_head_"), make_import_fixup);
decc3638 1415
317ff008
EB
1416 /* The implementation of the feature is rather dumb and would cause the
1417 compilation time to go through the roof if there are many undefined
1418 symbols in the link, so it needs to be run after auto-import. */
1419 if (pe_enable_stdcall_fixup) /* -1=warn or 1=enable */
8a9eab9b
KT
1420 pe_fixup_stdcalls ();
1421
7148cc28
NC
1422#if defined (TARGET_IS_i386pe) \
1423 || defined (TARGET_IS_armpe) \
7148cc28 1424 || defined (TARGET_IS_arm_wince_pe)
0e1862bb 1425 if (!bfd_link_relocatable (&link_info))
f13a99db 1426 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28 1427#else
0e1862bb 1428 if (bfd_link_pic (&link_info))
f13a99db 1429 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1430 else
1431 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1432#endif
7148cc28 1433#endif /* DLL_SUPPORT */
252b5132 1434
ddb00039 1435#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1436 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1437 {
1438 /* The arm backend needs special fields in the output hash structure.
1439 These will only be created if the output format is an arm format,
1440 hence we do not support linking and changing output formats at the
1441 same time. Use a link followed by objcopy to change output formats. */
df5f2391
AM
1442 einfo (_("%F%P: error: cannot change output format "
1443 "whilst linking %s binaries\n"), "ARM");
f11523b0
NC
1444 return;
1445 }
252b5132
RH
1446 {
1447 /* Find a BFD that can hold the interworking stubs. */
1448 LANG_FOR_EACH_INPUT_STATEMENT (is)
1449 {
7148cc28 1450 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1451 break;
1452 }
1453 }
1454#endif
c6c37250 1455
486e80e2 1456 {
486e80e2
DD
1457 /* This next chunk of code tries to detect the case where you have
1458 two import libraries for the same DLL (specifically,
1459 symbolically linking libm.a and libc.a in cygwin to
1460 libcygwin.a). In those cases, it's possible for function
1461 thunks from the second implib to be used but without the
1462 head/tail objects, causing an improper import table. We detect
1463 those cases and rename the "other" import libraries to match
1464 the one the head/tail come from, so that the linker will sort
4cd89863 1465 things nicely and produce a valid import table. */
486e80e2
DD
1466
1467 LANG_FOR_EACH_INPUT_STATEMENT (is)
1468 {
1469 if (is->the_bfd->my_archive)
1470 {
1471 int idata2 = 0, reloc_count=0, is_imp = 0;
1472 asection *sec;
3fc90ddb 1473
6e45556a 1474 /* See if this is an import library thunk. */
486e80e2
DD
1475 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1476 {
1477 if (strcmp (sec->name, ".idata\$2") == 0)
1478 idata2 = 1;
0112cd26 1479 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1480 is_imp = 1;
1481 reloc_count += sec->reloc_count;
1482 }
3fc90ddb 1483
486e80e2
DD
1484 if (is_imp && !idata2 && reloc_count)
1485 {
6e45556a
NC
1486 /* It is, look for the reference to head and see if it's
1487 from our own library. */
486e80e2
DD
1488 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1489 {
1490 int i;
6e45556a 1491 long relsize;
102c86f8 1492 asymbol **symbols;
102c86f8
NC
1493 arelent **relocs;
1494 int nrelocs;
3fc90ddb 1495
102c86f8 1496 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1497 if (relsize < 1)
1498 break;
3fc90ddb 1499
5c1d2f5f 1500 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1501 {
df5f2391 1502 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f 1503 is->the_bfd);
6e45556a
NC
1504 return;
1505 }
5c1d2f5f 1506 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1507
d127ecce 1508 relocs = xmalloc ((size_t) relsize);
102c86f8 1509 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1510 relocs, symbols);
6e45556a
NC
1511 if (nrelocs < 0)
1512 {
1513 free (relocs);
d003af55 1514 einfo (_("%X%P: unable to process relocs: %E\n"));
6e45556a
NC
1515 return;
1516 }
3fc90ddb 1517
6e45556a 1518 for (i = 0; i < nrelocs; i++)
486e80e2 1519 {
fc0a2244 1520 struct bfd_symbol *s;
6e45556a 1521 struct bfd_link_hash_entry * blhe;
b16c44de 1522 const char *other_bfd_filename;
6e45556a 1523 char *n;
3fc90ddb 1524
486e80e2 1525 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1526
6e45556a
NC
1527 if (s->flags & BSF_LOCAL)
1528 continue;
3fc90ddb 1529
6e45556a
NC
1530 /* Thunk section with reloc to another bfd. */
1531 blhe = bfd_link_hash_lookup (link_info.hash,
1532 s->name,
b34976b6 1533 FALSE, FALSE, TRUE);
3fc90ddb 1534
6e45556a
NC
1535 if (blhe == NULL
1536 || blhe->type != bfd_link_hash_defined)
1537 continue;
3fc90ddb 1538
2a08daf3
DS
1539 other_bfd_filename
1540 = blhe->u.def.section->owner->my_archive
1541 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1542 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1543
42627821
KT
1544 if (filename_cmp (bfd_get_filename
1545 (is->the_bfd->my_archive),
1546 other_bfd_filename) == 0)
6e45556a 1547 continue;
3fc90ddb 1548
c034e3e0 1549 /* Rename this implib to match the other one. */
2a08daf3
DS
1550 n = xmalloc (strlen (other_bfd_filename) + 1);
1551 strcpy (n, other_bfd_filename);
90d92a63 1552 bfd_set_filename (is->the_bfd->my_archive, n);
486e80e2
DD
1553 }
1554
1555 free (relocs);
6e45556a
NC
1556 /* Note - we do not free the symbols,
1557 they are now cached in the BFD. */
486e80e2
DD
1558 }
1559 }
1560 }
1561 }
1562 }
1563
c6c37250 1564 {
f0c87f88 1565 int is_ms_arch = 0;
1069dd8d 1566 bfd *cur_arch = 0;
c6c37250 1567 lang_input_statement_type *is2;
44dbf363 1568 lang_input_statement_type *is3;
1069dd8d 1569
c6c37250
DD
1570 /* Careful - this is a shell script. Watch those dollar signs! */
1571 /* Microsoft import libraries have every member named the same,
1572 and not in the right order for us to link them correctly. We
1573 must detect these and rename the members so that they'll link
1574 correctly. There are three types of objects: the head, the
1575 thunks, and the sentinel(s). The head is easy; it's the one
1576 with idata2. We assume that the sentinels won't have relocs,
1577 and the thunks will. It's easier than checking the symbol
1069dd8d 1578 table for external references. */
c6c37250
DD
1579 LANG_FOR_EACH_INPUT_STATEMENT (is)
1580 {
1581 if (is->the_bfd->my_archive)
1582 {
44dbf363 1583 char *pnt;
c6c37250 1584 bfd *arch = is->the_bfd->my_archive;
44dbf363 1585
c6c37250
DD
1586 if (cur_arch != arch)
1587 {
1588 cur_arch = arch;
1589 is_ms_arch = 1;
44dbf363
NC
1590
1591 for (is3 = is;
1592 is3 && is3->the_bfd->my_archive == arch;
1593 is3 = (lang_input_statement_type *) is3->next)
1594 {
1af699f4 1595 /* A MS dynamic import library can also contain static
44dbf363
NC
1596 members, so look for the first element with a .dll
1597 extension, and use that for the remainder of the
1598 comparisons. */
1599 pnt = strrchr (is3->the_bfd->filename, '.');
42627821 1600 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
ff71f4f7 1601 break;
44dbf363
NC
1602 }
1603
1604 if (is3 == NULL)
1605 is_ms_arch = 0;
1606 else
c6c37250 1607 {
44dbf363
NC
1608 /* OK, found one. Now look to see if the remaining
1609 (dynamic import) members use the same name. */
1610 for (is2 = is;
1611 is2 && is2->the_bfd->my_archive == arch;
1612 is2 = (lang_input_statement_type *) is2->next)
1613 {
1614 /* Skip static members, ie anything with a .obj
1615 extension. */
1616 pnt = strrchr (is2->the_bfd->filename, '.');
42627821 1617 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
44dbf363
NC
1618 continue;
1619
42627821
KT
1620 if (filename_cmp (is3->the_bfd->filename,
1621 is2->the_bfd->filename))
44dbf363
NC
1622 {
1623 is_ms_arch = 0;
1624 break;
1625 }
1626 }
c6c37250
DD
1627 }
1628 }
1629
44dbf363
NC
1630 /* This fragment might have come from an .obj file in a Microsoft
1631 import, and not an actual import record. If this is the case,
1632 then leave the filename alone. */
1633 pnt = strrchr (is->the_bfd->filename, '.');
1634
42627821 1635 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
c6c37250 1636 {
1069dd8d 1637 int idata2 = 0, reloc_count=0;
c6c37250
DD
1638 asection *sec;
1639 char *new_name, seq;
1069dd8d 1640
c6c37250
DD
1641 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1642 {
1643 if (strcmp (sec->name, ".idata\$2") == 0)
1644 idata2 = 1;
1645 reloc_count += sec->reloc_count;
1646 }
1647
1648 if (idata2) /* .idata2 is the TOC */
1649 seq = 'a';
1650 else if (reloc_count > 0) /* thunks */
1651 seq = 'b';
1652 else /* sentinel */
1653 seq = 'c';
1654
e4e24acb 1655 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250 1656 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
90d92a63 1657 bfd_set_filename (is->the_bfd, new_name);
c6c37250 1658
690a460e 1659 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1660 sprintf (new_name, "%s.%c", is->filename, seq);
1661 is->filename = new_name;
1662 }
1663 }
1664 }
1665 }
54727719
NC
1666
1667 {
1668 /* The following chunk of code tries to identify jump stubs in
1669 import libraries which are dead code and eliminates them
1670 from the final link. For each exported symbol <sym>, there
1671 is a object file in the import library with a .text section
d34c1c51 1672 and several .idata\$* sections. The .text section contains the
54727719 1673 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1674 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1675 for __imp_<sym> which is the address of the slot for <sym> in
1676 the import address table. When a symbol is imported explicitly
1677 using __declspec(dllimport) declaration, the compiler generates
1678 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1679 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1680 needed. The following code tries to identify jump stub sections
1681 in import libraries which are not referred to by anyone and
1682 marks them for exclusion from the final link. */
1683 LANG_FOR_EACH_INPUT_STATEMENT (is)
1684 {
1685 if (is->the_bfd->my_archive)
1686 {
1687 int is_imp = 0;
1688 asection *sec, *stub_sec = NULL;
1689
1690 /* See if this is an import library thunk. */
1691 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1692 {
1693 if (strncmp (sec->name, ".idata\$", 7) == 0)
1694 is_imp = 1;
1695 /* The section containing the jmp stub has code
1696 and has a reloc. */
1697 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1698 stub_sec = sec;
1699 }
92b93329 1700
54727719
NC
1701 if (is_imp && stub_sec)
1702 {
54727719 1703 asymbol **symbols;
5c1d2f5f 1704 long nsyms, src_count;
54727719
NC
1705 struct bfd_link_hash_entry * blhe;
1706
5c1d2f5f
AM
1707 if (!bfd_generic_link_read_symbols (is->the_bfd))
1708 {
df5f2391 1709 einfo (_("%F%P: %pB: could not read symbols: %E\n"),
5c1d2f5f
AM
1710 is->the_bfd);
1711 return;
1712 }
1713 symbols = bfd_get_outsymbols (is->the_bfd);
1714 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1715
5c1d2f5f 1716 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1717 {
1718 if (symbols[src_count]->section->id == stub_sec->id)
1719 {
1720 /* This symbol belongs to the section containing
1721 the stub. */
1722 blhe = bfd_link_hash_lookup (link_info.hash,
1723 symbols[src_count]->name,
1724 FALSE, FALSE, TRUE);
1725 /* If the symbol in the stub section has no other
1726 undefined references, exclude the stub section
1727 from the final link. */
e0605dbe
AM
1728 if (blhe != NULL
1729 && blhe->type == bfd_link_hash_defined
1730 && blhe->u.undef.next == NULL
1731 && blhe != link_info.hash->undefs_tail)
54727719
NC
1732 stub_sec->flags |= SEC_EXCLUDE;
1733 }
1734 }
54727719
NC
1735 }
1736 }
1737 }
1738 }
252b5132
RH
1739}
1740\f
3fc90ddb 1741static void
0c7a8e5a 1742gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1743{
1744#ifdef TARGET_IS_ppcpe
c9e38879 1745 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1746 {
1747 LANG_FOR_EACH_INPUT_STATEMENT (is)
1748 {
1749 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1750 {
1751 /* xgettext:c-format */
df5f2391 1752 einfo (_("%P: errors encountered processing file %s\n"), is->filename);
252b5132
RH
1753 }
1754 }
1755 }
1756
c9e38879 1757 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1758 ppc_allocate_toc_section (&link_info);
1759#endif /* TARGET_IS_ppcpe */
1760
ddb00039 1761#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1762 /* FIXME: we should be able to set the size of the interworking stub
1763 section.
1764
1765 Here we rummage through the found bfds to collect glue
1766 information. FIXME: should this be based on a command line
c9e38879 1767 option? krk@cygnus.com. */
252b5132
RH
1768 {
1769 LANG_FOR_EACH_INPUT_STATEMENT (is)
1770 {
7148cc28 1771 if (! bfd_arm_process_before_allocation
252b5132
RH
1772 (is->the_bfd, & link_info, support_old_code))
1773 {
1774 /* xgettext:c-format */
df5f2391 1775 einfo (_("%P: errors encountered processing file %s for interworking\n"),
252b5132
RH
1776 is->filename);
1777 }
1778 }
1779 }
1780
c9e38879 1781 /* We have seen it all. Allocate it, and carry on. */
7148cc28 1782 bfd_arm_allocate_interworking_sections (& link_info);
ddb00039 1783#endif /* TARGET_IS_armpe || TARGET_IS_arm_wince_pe */
8423293d 1784
1e035701 1785 before_allocation_default ();
252b5132
RH
1786}
1787\f
690a460e 1788#ifdef DLL_SUPPORT
252b5132 1789/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1790 check here for .DEF files and pull them in automatically. */
690a460e 1791
252b5132 1792static int
0c7a8e5a 1793saw_option (char *option)
252b5132
RH
1794{
1795 int i;
c9e38879
NC
1796
1797 for (i = 0; init[i].ptr; i++)
522f09cd 1798 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
252b5132
RH
1799 return init[i].inited;
1800 return 0;
1801}
690a460e 1802#endif /* DLL_SUPPORT */
252b5132 1803
b34976b6 1804static bfd_boolean
0c7a8e5a 1805gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1806{
c6c37250 1807#ifdef DLL_SUPPORT
252b5132
RH
1808 const char *ext = entry->filename + strlen (entry->filename) - 4;
1809
42627821 1810 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
252b5132 1811 {
f2d3750d 1812 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1813
1814 if (pe_def_file)
252b5132 1815 {
c9e38879
NC
1816 int i, buflen=0, len;
1817 char *buf;
252b5132 1818
c9e38879 1819 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1820 {
939ba9d0 1821 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1822 if (buflen < len + 2)
1823 buflen = len + 2;
252b5132 1824 }
252b5132 1825
d127ecce 1826 buf = xmalloc (buflen);
252b5132 1827
c9e38879
NC
1828 for (i = 0; i < pe_def_file->num_exports; i++)
1829 {
1830 struct bfd_link_hash_entry *h;
1831
522f09cd 1832 sprintf (buf, "%s%s", U (""),
6c19b93b 1833 pe_def_file->exports[i].internal_name);
c9e38879 1834
b34976b6 1835 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879 1836 if (h == (struct bfd_link_hash_entry *) NULL)
df5f2391 1837 einfo (_("%F%P: bfd_link_hash_lookup failed: %E\n"));
c9e38879
NC
1838 if (h->type == bfd_link_hash_new)
1839 {
1840 h->type = bfd_link_hash_undefined;
1841 h->u.undef.abfd = NULL;
1842 bfd_link_add_undef (link_info.hash, h);
1843 }
1844 }
1845 free (buf);
1846
1847 /* def_file_print (stdout, pe_def_file); */
1848 if (pe_def_file->is_dll == 1)
64d94ba0 1849 link_info.type = type_dll;
c9e38879
NC
1850
1851 if (pe_def_file->base_address != (bfd_vma)(-1))
1852 {
f13a99db
AM
1853 pe.ImageBase
1854 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1855 = init[IMAGEBASEOFF].value
1856 = pe_def_file->base_address;
c9e38879
NC
1857 init[IMAGEBASEOFF].inited = 1;
1858 if (image_base_statement)
eb8476a6
MR
1859 image_base_statement->exp
1860 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1861 FALSE);
c9e38879 1862 }
252b5132 1863
c9e38879
NC
1864 if (pe_def_file->stack_reserve != -1
1865 && ! saw_option ("__size_of_stack_reserve__"))
1866 {
1867 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1868 if (pe_def_file->stack_commit != -1)
1869 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1870 }
1871 if (pe_def_file->heap_reserve != -1
1872 && ! saw_option ("__size_of_heap_reserve__"))
1873 {
1874 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1875 if (pe_def_file->heap_commit != -1)
1876 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1877 }
b34976b6 1878 return TRUE;
c9e38879 1879 }
252b5132 1880 }
252b5132 1881#endif
b34976b6 1882 return FALSE;
252b5132
RH
1883}
1884
b34976b6 1885static bfd_boolean
0c7a8e5a 1886gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1887{
c6c37250 1888#ifdef DLL_SUPPORT
252b5132 1889#ifdef TARGET_IS_i386pe
c6c37250 1890 pe_dll_id_target ("pei-i386");
344a211f
NC
1891#endif
1892#ifdef TARGET_IS_shpe
1893 pe_dll_id_target ("pei-shl");
1894#endif
344a211f
NC
1895#ifdef TARGET_IS_armpe
1896 pe_dll_id_target ("pei-arm-little");
7148cc28 1897#endif
7148cc28
NC
1898#ifdef TARGET_IS_arm_wince_pe
1899 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 1900#endif
ff2bdb9c
CF
1901 if (pe_bfd_is_dll (entry->the_bfd))
1902 return pe_implied_import_dll (entry->filename);
252b5132 1903#endif
b34976b6 1904 return FALSE;
252b5132
RH
1905}
1906
1907static void
0c7a8e5a 1908gld_${EMULATION_NAME}_finish (void)
252b5132 1909{
ddb00039 1910#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
1911 struct bfd_link_hash_entry * h;
1912
1913 if (thumb_entry_symbol != NULL)
1914 {
b34976b6
AM
1915 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1916 FALSE, FALSE, TRUE);
3fc90ddb 1917
6f798e5c
NC
1918 if (h != (struct bfd_link_hash_entry *) NULL
1919 && (h->type == bfd_link_hash_defined
1920 || h->type == bfd_link_hash_defweak)
1921 && h->u.def.section->output_section != NULL)
1922 {
1923 static char buffer[32];
1924 bfd_vma val;
3fc90ddb 1925
6f798e5c
NC
1926 /* Special procesing is required for a Thumb entry symbol. The
1927 bottom bit of its address must be set. */
1928 val = (h->u.def.value
fd361982 1929 + bfd_section_vma (h->u.def.section->output_section)
6f798e5c 1930 + h->u.def.section->output_offset);
3fc90ddb 1931
6f798e5c 1932 val |= 1;
3fc90ddb 1933
6f798e5c
NC
1934 /* Now convert this value into a string and store it in entry_symbol
1935 where the lang_finish() function will pick it up. */
1936 buffer[0] = '0';
1937 buffer[1] = 'x';
3fc90ddb 1938
6f798e5c 1939 sprintf_vma (buffer + 2, val);
3fc90ddb 1940
e3e942e9 1941 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1942 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
1943 thumb_entry_symbol, entry_symbol.name);
1944 entry_symbol.name = buffer;
6f798e5c
NC
1945 }
1946 else
c58dea77 1947 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 1948 }
ddb00039 1949#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 1950
1e035701
AM
1951 finish_default ();
1952
c6c37250 1953#ifdef DLL_SUPPORT
0e1862bb 1954 if (bfd_link_pic (&link_info)
e8044f35 1955#if !defined(TARGET_IS_shpe)
dc9bd8c9 1956 || pe_dll_enable_reloc_section
0e1862bb
L
1957 || (!bfd_link_relocatable (&link_info)
1958 && pe_def_file->num_exports != 0)
2b817be1
NC
1959#endif
1960 )
252b5132 1961 {
f13a99db 1962 pe_dll_fill_sections (link_info.output_bfd, &link_info);
76359541
TP
1963 if (command_line.out_implib_filename)
1964 pe_dll_generate_implib (pe_def_file, command_line.out_implib_filename,
1965 &link_info);
252b5132 1966 }
e8044f35 1967#if defined(TARGET_IS_shpe)
690a460e 1968 /* ARM doesn't need relocs. */
344a211f
NC
1969 else
1970 {
f13a99db 1971 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
1972 }
1973#endif
3fc90ddb 1974
252b5132
RH
1975 if (pe_out_def_filename)
1976 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1977#endif /* DLL_SUPPORT */
decc3638 1978
c9e38879 1979 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 1980 {
f13a99db 1981 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 1982
decc3638
CW
1983 if (asec)
1984 {
1af699f4
AM
1985 asec->flags &= ~SEC_CODE;
1986 asec->flags |= SEC_DATA;
decc3638
CW
1987 }
1988 }
252b5132
RH
1989}
1990
1991\f
1992/* Place an orphan section.
1993
1994 We use this to put sections in a reasonable place in the file, and
1995 to ensure that they are aligned as required.
1996
d34c1c51 1997 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
1998 goes into the output section .foo. All grouped sections are sorted
1999 by name.
2000
2001 Grouped sections for the default sections are handled by the
2002 default linker script using wildcards, and are sorted by
2003 sort_sections. */
2004
c2edb4b8 2005static lang_output_section_statement_type *
8a99a385
AM
2006gld_${EMULATION_NAME}_place_orphan (asection *s,
2007 const char *secname,
2008 int constraint)
252b5132 2009{
bcacc0f5 2010 const char *orig_secname = secname;
f0c87f88 2011 char *dollar = NULL;
aea4bd9d 2012 lang_output_section_statement_type *os;
5ba47421 2013 lang_statement_list_type add_child;
b5f14a6d 2014 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 2015 lang_statement_union_type **pl;
252b5132 2016
252b5132 2017 /* Look through the script to see where to place this section. */
0e1862bb 2018 if (!bfd_link_relocatable (&link_info)
d34c1c51 2019 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 2020 {
bcacc0f5 2021 size_t len = dollar - secname;
afd7a018 2022 char *newname = xmalloc (len + 1);
bcacc0f5 2023 memcpy (newname, secname, len);
afd7a018
AM
2024 newname[len] = '\0';
2025 secname = newname;
6eec49fc 2026 }
252b5132 2027
5ba47421
AM
2028 lang_list_init (&add_child);
2029
d127ecce
AM
2030 os = NULL;
2031 if (constraint == 0)
2032 for (os = lang_output_section_find (secname);
2033 os != NULL;
2034 os = next_matching_output_section_statement (os, 0))
2035 {
2036 /* If we don't match an existing output section, tell
2037 lang_insert_orphan to create a new output section. */
2038 constraint = SPECIAL;
2039
2040 if (os->bfd_section != NULL
2041 && (os->bfd_section->flags == 0
2042 || ((s->flags ^ os->bfd_section->flags)
2043 & (SEC_LOAD | SEC_ALLOC)) == 0))
2044 {
2045 /* We already have an output section statement with this
2046 name, and its bfd section has compatible flags.
2047 If the section already exists but does not have any flags set,
2048 then it has been created by the linker, probably as a result of
2049 a --section-start command line switch. */
b9c361e0 2050 lang_add_section (&add_child, s, NULL, os);
d127ecce
AM
2051 break;
2052 }
b5f14a6d
DD
2053
2054 /* Save unused output sections in case we can match them
2055 against orphans later. */
2056 if (os->bfd_section == NULL)
2057 match_by_name = os;
d127ecce
AM
2058 }
2059
b5f14a6d
DD
2060 /* If we didn't match an active output section, see if we matched an
2061 unused one and use that. */
2062 if (os == NULL && match_by_name)
2063 {
b9c361e0 2064 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
2065 return match_by_name;
2066 }
2067
d127ecce 2068 if (os == NULL)
252b5132 2069 {
afd7a018
AM
2070 static struct orphan_save hold[] =
2071 {
2072 { ".text",
2073 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2074 0, 0, 0, 0 },
d4874973
KT
2075 { ".idata",
2076 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2077 0, 0, 0, 0 },
afd7a018
AM
2078 { ".rdata",
2079 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2080 0, 0, 0, 0 },
2081 { ".data",
2082 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2083 0, 0, 0, 0 },
2084 { ".bss",
2085 SEC_ALLOC,
2086 0, 0, 0, 0 }
2087 };
2088 enum orphan_save_index
2089 {
2090 orphan_text = 0,
d4874973 2091 orphan_idata,
afd7a018
AM
2092 orphan_rodata,
2093 orphan_data,
2094 orphan_bss
2095 };
2096 static int orphan_init_done = 0;
6a345e87 2097 struct orphan_save *place;
afd7a018 2098 lang_output_section_statement_type *after;
252b5132 2099 etree_type *address;
93638471
AM
2100 flagword flags;
2101 asection *nexts;
afd7a018
AM
2102
2103 if (!orphan_init_done)
2104 {
2105 struct orphan_save *ho;
2106 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2107 if (ho->name != NULL)
2108 {
2109 ho->os = lang_output_section_find (ho->name);
2110 if (ho->os != NULL && ho->os->flags == 0)
2111 ho->os->flags = ho->flags;
2112 }
2113 orphan_init_done = 1;
2114 }
252b5132 2115
523f4c92
L
2116 flags = s->flags;
2117 if (!bfd_link_relocatable (&link_info))
2118 {
2119 nexts = s;
2120 while ((nexts = bfd_get_next_section_by_name (nexts->owner,
2121 nexts)))
2122 if (nexts->output_section == NULL
2123 && (nexts->flags & SEC_EXCLUDE) == 0
2124 && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
2125 && (nexts->owner->flags & DYNAMIC) == 0
00f93c44 2126 && !bfd_input_just_syms (nexts->owner))
523f4c92
L
2127 flags = (((flags ^ SEC_READONLY)
2128 | (nexts->flags ^ SEC_READONLY))
2129 ^ SEC_READONLY);
2130 }
2131
252b5132
RH
2132 /* Try to put the new output section in a reasonable place based
2133 on the section name and section flags. */
aea4bd9d 2134
252b5132 2135 place = NULL;
93638471 2136 if ((flags & SEC_ALLOC) == 0)
5ba47421 2137 ;
93638471 2138 else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
afd7a018 2139 place = &hold[orphan_bss];
93638471 2140 else if ((flags & SEC_READONLY) == 0)
afd7a018 2141 place = &hold[orphan_data];
93638471 2142 else if ((flags & SEC_CODE) == 0)
d4874973
KT
2143 {
2144 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2145 : &hold[orphan_rodata]);
2146 }
1af699f4 2147 else
afd7a018 2148 place = &hold[orphan_text];
1af699f4 2149
afd7a018 2150 after = NULL;
1af699f4
AM
2151 if (place != NULL)
2152 {
afd7a018
AM
2153 if (place->os == NULL)
2154 place->os = lang_output_section_find (place->name);
2155 after = place->os;
2156 if (after == NULL)
93638471
AM
2157 after = lang_output_section_find_by_flags (s, flags, &place->os,
2158 NULL);
afd7a018
AM
2159 if (after == NULL)
2160 /* *ABS* is always the first output section statement. */
8ce18f9c 2161 after = (void *) lang_os_list.head;
252b5132
RH
2162 }
2163
4bf0cafb
DK
2164 /* All sections in an executable must be aligned to a page boundary.
2165 In a relocatable link, just preserve the incoming alignment; the
2166 address is discarded by lang_insert_orphan in that case, anyway. */
afd7a018 2167 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
2168 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2169 &add_child);
0e1862bb 2170 if (bfd_link_relocatable (&link_info))
4bf0cafb 2171 {
3d9c8f6b 2172 os->section_alignment = exp_intop (1U << s->alignment_power);
4bf0cafb
DK
2173 os->bfd_section->alignment_power = s->alignment_power;
2174 }
252b5132
RH
2175 }
2176
011aa75f
AM
2177 /* If the section name has a '\$', sort it with the other '\$'
2178 sections. */
2179 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2180 {
2181 lang_input_section_type *ls;
2182 const char *lname;
252b5132 2183
011aa75f
AM
2184 if ((*pl)->header.type != lang_input_section_enum)
2185 continue;
252b5132 2186
011aa75f 2187 ls = &(*pl)->input_section;
252b5132 2188
fd361982 2189 lname = bfd_section_name (ls->section);
011aa75f
AM
2190 if (strchr (lname, '\$') != NULL
2191 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2192 break;
2193 }
5ba47421 2194
011aa75f
AM
2195 if (add_child.head != NULL)
2196 {
2197 *add_child.tail = *pl;
2198 *pl = add_child.head;
2199 }
252b5132 2200
c2edb4b8 2201 return os;
252b5132
RH
2202}
2203
b34976b6 2204static bfd_boolean
0c7a8e5a 2205gld_${EMULATION_NAME}_open_dynamic_archive
d127ecce
AM
2206 (const char *arch ATTRIBUTE_UNUSED,
2207 search_dirs_type *search,
0c7a8e5a 2208 lang_input_statement_type *entry)
690a460e 2209{
45e948fe
NC
2210 static const struct
2211 {
2212 const char * format;
2213 bfd_boolean use_prefix;
2214 }
2215 libname_fmt [] =
2216 {
2217 /* Preferred explicit import library for dll's. */
2218 { "lib%s.dll.a", FALSE },
2219 /* Alternate explicit import library for dll's. */
2220 { "%s.dll.a", FALSE },
2221 /* "libfoo.a" could be either an import lib or a static lib.
6c19b93b
AM
2222 For backwards compatibility, libfoo.a needs to precede
2223 libfoo.dll and foo.dll in the search. */
45e948fe 2224 { "lib%s.a", FALSE },
92b93329 2225 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe 2226 { "%s.lib", FALSE },
f6c4d4b1
NC
2227 /* PR 22948 - Check for an import library. */
2228 { "lib%s.lib", FALSE },
45e948fe
NC
2229#ifdef DLL_SUPPORT
2230 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2231 { "%s%s.dll", TRUE },
2232#endif
2233 /* Try "libfoo.dll" (default preferred dll name). */
2234 { "lib%s.dll", FALSE },
2235 /* Finally try 'native' dll name "foo.dll". */
2236 { "%s.dll", FALSE },
2237 /* Note: If adding more formats to this table, make sure to check to
2238 see if their length is longer than libname_fmt[0].format, and if
2239 so, update the call to xmalloc() below. */
2240 { NULL, FALSE }
2241 };
b1d9458a 2242 static unsigned int format_max_len = 0;
690a460e 2243 const char * filename;
45e948fe
NC
2244 char * full_string;
2245 char * base_string;
2246 unsigned int i;
2247
690a460e 2248
d4ae5fb0 2249 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
b34976b6 2250 return FALSE;
690a460e
NC
2251
2252 filename = entry->filename;
2253
b1d9458a
NC
2254 if (format_max_len == 0)
2255 /* We need to allow space in the memory that we are going to allocate
2256 for the characters in the format string. Since the format array is
2257 static we only need to calculate this information once. In theory
2258 this value could also be computed statically, but this introduces
2259 the possibility for a discrepancy and hence a possible memory
2260 corruption. The lengths we compute here will be too long because
2261 they will include any formating characters (%s) in the strings, but
2262 this will not matter. */
2263 for (i = 0; libname_fmt[i].format; i++)
2264 if (format_max_len < strlen (libname_fmt[i].format))
2265 format_max_len = strlen (libname_fmt[i].format);
2266
45e948fe
NC
2267 full_string = xmalloc (strlen (search->name)
2268 + strlen (filename)
b1d9458a 2269 + format_max_len
b9a69188 2270#ifdef DLL_SUPPORT
45e948fe
NC
2271 + (pe_dll_search_prefix
2272 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 2273#endif
b1d9458a
NC
2274 /* Allow for the terminating NUL and for the path
2275 separator character that is inserted between
2276 search->name and the start of the format string. */
2277 + 2);
690a460e 2278
45e948fe
NC
2279 sprintf (full_string, "%s/", search->name);
2280 base_string = full_string + strlen (full_string);
690a460e 2281
45e948fe 2282 for (i = 0; libname_fmt[i].format; i++)
690a460e 2283 {
92b93329 2284#ifdef DLL_SUPPORT
45e948fe 2285 if (libname_fmt[i].use_prefix)
1af699f4 2286 {
45e948fe
NC
2287 if (!pe_dll_search_prefix)
2288 continue;
2289 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2290 }
45e948fe
NC
2291 else
2292#endif
2293 sprintf (base_string, libname_fmt[i].format, filename);
2294
2295 if (ldfile_try_open_bfd (full_string, entry))
2296 break;
2297 }
2298
2299 if (!libname_fmt[i].format)
2300 {
2301 free (full_string);
2302 return FALSE;
690a460e 2303 }
602e90d3 2304
45e948fe 2305 entry->filename = full_string;
690a460e 2306
b34976b6 2307 return TRUE;
690a460e
NC
2308}
2309
344a211f 2310static int
0c7a8e5a
AM
2311gld_${EMULATION_NAME}_find_potential_libraries
2312 (char *name, lang_input_statement_type *entry)
344a211f
NC
2313{
2314 return ldfile_open_file_search (name, entry, "", ".lib");
2315}
252b5132
RH
2316\f
2317static char *
0c7a8e5a 2318gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2319EOF
2320# Scripts compiled in.
2321# sed commands to quote an ld script as a C string.
597e2591 2322sc="-f stringify.sed"
252b5132 2323
92b93329 2324fragment <<EOF
3fc90ddb 2325{
252b5132
RH
2326 *isfile = 0;
2327
0e1862bb 2328 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
2329 return
2330EOF
1af699f4 2331sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 2332echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
1af699f4
AM
2333sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2334echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2335sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2336echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2337sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0 2338if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
ca5f2203 2339echo ' ; 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
2340sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2341fi
1af699f4
AM
2342echo ' ; else return' >> e${EMULATION_NAME}.c
2343sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2344echo '; }' >> e${EMULATION_NAME}.c
252b5132 2345
92b93329 2346fragment <<EOF
252b5132
RH
2347
2348
3fc90ddb 2349struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2350{
2351 gld_${EMULATION_NAME}_before_parse,
2352 syslib_default,
2353 hll_default,
2354 gld_${EMULATION_NAME}_after_parse,
2355 gld_${EMULATION_NAME}_after_open,
5c3261b0 2356 after_check_relocs_default,
252b5132
RH
2357 after_allocation_default,
2358 set_output_arch_default,
2359 ldemul_default_target,
2360 gld_${EMULATION_NAME}_before_allocation,
2361 gld_${EMULATION_NAME}_get_script,
2362 "${EMULATION_NAME}",
2363 "${OUTPUT_FORMAT}",
4cd89863
NC
2364 gld_${EMULATION_NAME}_finish,
2365 NULL, /* Create output section statements. */
690a460e 2366 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2367 gld_${EMULATION_NAME}_place_orphan,
2368 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2369 NULL, /* parse_args */
2370 gld${EMULATION_NAME}_add_options,
2371 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2372 gld_${EMULATION_NAME}_unrecognized_file,
2373 gld_${EMULATION_NAME}_list_options,
344a211f 2374 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2375 gld_${EMULATION_NAME}_find_potential_libraries,
7a2f2d82 2376 NULL, /* new_vers_pattern. */
1ff6de03
NA
2377 NULL, /* extra_map_file_text. */
2378 ${LDEMUL_EMIT_CTF_EARLY-NULL},
2379 ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL}
252b5132
RH
2380};
2381EOF
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