Add output_type to bfd_link_info
[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
b90efa5b 11/* Copyright (C) 1995-2015 Free Software Foundation, Inc.
252b5132 12
f96b4a7b
NC
13 This file is part of the GNU Binutils.
14
2fa9fc65
NC
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
f96b4a7b 17 the Free Software Foundation; either version 3 of the License, or
2fa9fc65 18 (at your option) any later version.
252b5132 19
2fa9fc65
NC
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
252b5132 24
2fa9fc65
NC
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
f96b4a7b
NC
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
29
252b5132
RH
30
31/* For WINDOWS_NT */
32/* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ
36 the correct entry point by default. */
37
db09f25b
AM
38#define TARGET_IS_${EMULATION_NAME}
39
40/* Do this before including bfd.h, so we prototype the right functions. */
db09f25b 41
7148cc28
NC
42#if defined(TARGET_IS_armpe) \
43 || defined(TARGET_IS_arm_epoc_pe) \
44 || defined(TARGET_IS_arm_wince_pe)
45#define bfd_arm_allocate_interworking_sections \
46 bfd_${EMULATION_NAME}_allocate_interworking_sections
47#define bfd_arm_get_bfd_for_interworking \
48 bfd_${EMULATION_NAME}_get_bfd_for_interworking
49#define bfd_arm_process_before_allocation \
50 bfd_${EMULATION_NAME}_process_before_allocation
51#endif
92b93329 52
252b5132 53#include "sysdep.h"
3db64b00 54#include "bfd.h"
252b5132
RH
55#include "bfdlink.h"
56#include "getopt.h"
57#include "libiberty.h"
42627821 58#include "filenames.h"
252b5132
RH
59#include "ld.h"
60#include "ldmain.h"
252b5132
RH
61#include "ldexp.h"
62#include "ldlang.h"
b71e2778 63#include "ldfile.h"
252b5132 64#include "ldemul.h"
df2a7313 65#include <ldgram.h>
252b5132
RH
66#include "ldlex.h"
67#include "ldmisc.h"
68#include "ldctor.h"
61e2488c 69#include "ldbuildid.h"
252b5132 70#include "coff/internal.h"
71add731 71
26d2d8a2
BF
72/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
73 header in generic PE code. */
74#include "coff/i386.h"
75#include "coff/pe.h"
76
61e2488c 77/* FIXME: These are BFD internal header files, and we should not be
71add731 78 using it here. */
252b5132 79#include "../bfd/libcoff.h"
61e2488c 80#include "../bfd/libpei.h"
71add731 81
252b5132 82#include "deffile.h"
1069dd8d 83#include "pe-dll.h"
29e1a6e4 84#include "safe-ctype.h"
14fe918e 85
2be9b2c7
ILT
86/* Permit the emulation parameters to override the default section
87 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
88 it seem that include/coff/internal.h should not define
89 PE_DEF_SECTION_ALIGNMENT. */
90#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
91#undef PE_DEF_SECTION_ALIGNMENT
92#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
93#endif
94
7148cc28
NC
95#if defined(TARGET_IS_i386pe) \
96 || defined(TARGET_IS_shpe) \
7148cc28
NC
97 || defined(TARGET_IS_armpe) \
98 || defined(TARGET_IS_arm_epoc_pe) \
99 || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
100#define DLL_SUPPORT
101#endif
c6c37250 102
e468a046
KT
103#if defined(TARGET_IS_i386pe)
104#define DEFAULT_PSEUDO_RELOC_VERSION 2
105#else
106#define DEFAULT_PSEUDO_RELOC_VERSION 1
107#endif
108
344a211f 109#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 110#define PE_DEF_SUBSYSTEM 3
344a211f
NC
111#else
112#undef NT_EXE_IMAGE_BASE
113#undef PE_DEF_SECTION_ALIGNMENT
114#undef PE_DEF_FILE_ALIGNMENT
115#define NT_EXE_IMAGE_BASE 0x00010000
7148cc28
NC
116
117#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
118#define PE_DEF_SECTION_ALIGNMENT 0x00001000
119#define PE_DEF_SUBSYSTEM 9
120#else
121#define PE_DEF_SECTION_ALIGNMENT 0x00000400
122#define PE_DEF_SUBSYSTEM 2
123#endif
124#define PE_DEF_FILE_ALIGNMENT 0x00000200
125#endif
c6c37250 126
252b5132
RH
127static struct internal_extra_pe_aouthdr pe;
128static int dll;
decfa41e 129static int pe_subsystem = ${SUBSYSTEM};
26d2d8a2 130static flagword real_flags = 0;
252b5132 131static int support_old_code = 0;
6f798e5c 132static char * thumb_entry_symbol = NULL;
252b5132 133static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 134static unsigned short pe_dll_characteristics = 0;
eeb14e5a 135static bfd_boolean insert_timestamp = TRUE;
61e2488c 136static const char *emit_build_id;
252b5132 137
f0c87f88 138#ifdef DLL_SUPPORT
4cd89863 139static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
690a460e
NC
140static char *pe_out_def_filename = NULL;
141static char *pe_implib_filename = NULL;
5f577f7d 142static int pe_enable_auto_image_base = 0;
d0e6d77b 143static unsigned long pe_auto_image_base = 0x61500000;
627427de 144static char *pe_dll_search_prefix = NULL;
f0c87f88 145#endif
252b5132
RH
146
147extern const char *output_filename;
148
d74720d2 149static int is_underscoring (void)
252b5132 150{
d74720d2
KT
151 int u = 0;
152 if (pe_leading_underscore != -1)
153 return pe_leading_underscore;
154 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
b804e4af
KT
155 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
156
157 if (u == -1)
158 abort ();
d74720d2
KT
159 pe_leading_underscore = (u != 0 ? 1 : 0);
160 return pe_leading_underscore;
161}
b804e4af 162
d74720d2
KT
163static void
164gld_${EMULATION_NAME}_before_parse (void)
165{
166 is_underscoring ();
5e2f1575 167 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 168 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 169#ifdef DLL_SUPPORT
66be1055 170 input_flags.dynamic = TRUE;
252b5132 171 config.has_shared = 1;
5b9c6027
DK
172EOF
173
174# Cygwin no longer wants these noisy warnings. Other PE
175# targets might like to consider adding themselves here.
27320b85
NC
176# See also the mail thread starting here for the reason why
177# merge_rdata defaults to 0 for cygwin:
178# http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
5b9c6027
DK
179case ${target} in
180 *-*-cygwin*)
181 default_auto_import=1
27320b85 182 default_merge_rdata=0
ca5f2203 183 ;;
09db93a8 184 i[3-7]86-*-mingw* | x86_64-*-mingw*)
ca5f2203
KT
185 default_auto_import=1
186 default_merge_rdata=0
5b9c6027
DK
187 ;;
188 *)
189 default_auto_import=-1
ca5f2203 190 default_merge_rdata=1
5b9c6027
DK
191 ;;
192esac
193
194fragment <<EOF
195 link_info.pei386_auto_import = ${default_auto_import};
e468a046
KT
196 /* Use by default version. */
197 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
252b5132
RH
198#endif
199}
200\f
ca5f2203
KT
201/* Indicates if RDATA shall be merged into DATA when pseudo-relocation
202 version 2 is used and auto-import is enabled. */
203#define MERGE_RDATA_V2 ${default_merge_rdata}
204
252b5132
RH
205/* PE format extra command line options. */
206
4cd89863 207/* Used for setting flags in the PE header. */
252b5132
RH
208#define OPTION_BASE_FILE (300 + 1)
209#define OPTION_DLL (OPTION_BASE_FILE + 1)
210#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
211#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
212#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
213#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
214#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
215#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
216#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
217#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
218#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
0c7a8e5a
AM
219#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
220#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
221#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
222#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
223#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
224#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
225#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
2927aaca
NC
226#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
227#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
252b5132
RH
228#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
229#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
230#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
231#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
6f798e5c 232#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
870df5dc
NC
233#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
234#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
5f577f7d
DD
235#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
236#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC
237#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
238#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW
239#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
240#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
241#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
70b0be79 242#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
2fa9fc65
NC
243#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
244 (OPTION_EXCLUDE_LIBS + 1)
245#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
246 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
0cb112f7 247#define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
f69a2f97
NC
248#define OPTION_DISABLE_LARGE_ADDRESS_AWARE \
249 (OPTION_LARGE_ADDRESS_AWARE + 1)
6cb442d3 250#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
f69a2f97 251 (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1)
6cb442d3
KT
252#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
253 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
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DK
254#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
255 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
ce11ba6c 256#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
88183869 257 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
0cb112f7
CF
258#define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
259#define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1)
522f09cd
KT
260#define OPTION_ENABLE_LONG_SECTION_NAMES \
261 (OPTION_LEADING_UNDERSCORE + 1)
88183869
DK
262#define OPTION_DISABLE_LONG_SECTION_NAMES \
263 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
0cb112f7 264/* DLLCharacteristics flags. */
2f563b51
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265#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
266#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
267#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
e4492aa0 268#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
2f563b51
DK
269#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
270#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
271#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
272#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
0cb112f7
CF
273/* Determinism. */
274#define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1)
eeb14e5a
LZ
275#define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1)
276#define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1)
252b5132 277
3bcf5557 278static void
0c7a8e5a 279gld${EMULATION_NAME}_add_options
d127ecce
AM
280 (int ns ATTRIBUTE_UNUSED,
281 char **shortopts ATTRIBUTE_UNUSED,
282 int nl,
283 struct option **longopts,
284 int nrl ATTRIBUTE_UNUSED,
285 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557 286{
27320b85
NC
287 static const struct option xtra_long[] =
288 {
289 /* PE options. */
3bcf5557
AM
290 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
291 {"dll", no_argument, NULL, OPTION_DLL},
292 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
293 {"heap", required_argument, NULL, OPTION_HEAP},
294 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
295 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
296 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
297 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
298 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
299 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
300 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
301 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
302 {"stack", required_argument, NULL, OPTION_STACK},
303 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
304 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
305 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
306 {"use-nul-prefixed-import-tables", no_argument, NULL,
307 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT
308 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
309 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
0cb112f7 310 {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
eeb14e5a 311 {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
c6c37250 312#ifdef DLL_SUPPORT
d127ecce
AM
313 /* getopt allows abbreviations, so we do this to stop it
314 from treating -o as an abbreviation for this option. */
3bcf5557
AM
315 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
316 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
317 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
318 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 319 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
3bcf5557 320 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 321 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
322 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
323 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
324 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
325 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
326 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
327 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
328 /* getopt() allows abbreviations, so we do this to stop it from
329 treating -c as an abbreviation for these --compat-implib. */
330 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
331 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
d0e6d77b 332 {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
3bcf5557
AM
333 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
334 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
335 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
336 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
337 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
338 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
339 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
340 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
341 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
342 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 343#endif
26d2d8a2 344 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
f69a2f97 345 {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE},
88183869
DK
346 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
347 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
348 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
349 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
350 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
351 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
352 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
353 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
354 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
355 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
61e2488c 356 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
3bcf5557
AM
357 {NULL, no_argument, NULL, 0}
358 };
252b5132 359
d127ecce
AM
360 *longopts
361 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
3bcf5557
AM
362 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
363}
252b5132
RH
364
365/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 366 parameters which may be input from the command line. */
252b5132
RH
367
368typedef struct
369{
370 void *ptr;
371 int size;
372 int value;
373 char *symbol;
374 int inited;
522f09cd
KT
375 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
376 C visible symbols can be prefixed by underscore dependent to target's
377 settings. */
378 bfd_boolean is_c_symbol;
252b5132
RH
379} definfo;
380
522f09cd
KT
381/* Get symbol name dependent to kind and C visible state of
382 underscore. */
383#define GET_INIT_SYMBOL_NAME(IDX) \
384 (init[(IDX)].symbol \
d74720d2 385 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
522f09cd
KT
386
387/* Decorates the C visible symbol by underscore, if target requires. */
388#define U(CSTR) \
d74720d2 389 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
522f09cd
KT
390
391/* Get size of constant string for a possible underscore prefixed
392 C visible symbol. */
393#define U_SIZE(CSTR) \
d74720d2 394 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
522f09cd 395
61e2488c 396#define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc}
252b5132
RH
397
398static definfo init[] =
399{
400 /* imagebase must be first */
401#define IMAGEBASEOFF 0
522f09cd 402 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
252b5132 403#define DLLOFF 1
522f09cd 404 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
dffc6a64 405#define MSIMAGEBASEOFF 2
522f09cd
KT
406 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
407 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
408 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
409 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
410 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
411 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
412 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
7148cc28 413#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
522f09cd 414 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
344a211f 415#else
522f09cd 416 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
344a211f 417#endif
522f09cd
KT
418 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
419 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
420 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
421 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
422 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
423 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
424 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
425 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
426 { NULL, 0, 0, NULL, 0 , FALSE}
252b5132
RH
427};
428
4cd89863 429
252b5132 430static void
0c7a8e5a 431gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
432{
433 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
434 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
435 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
436 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
437 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
438 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
439 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
440 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
441 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
442 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
443 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
444 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
445 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
446 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
447 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 448 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
6f798e5c 449 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
eeb14e5a 450 fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n"));
0cb112f7 451 fprintf (file, _(" This makes binaries non-deterministic\n"));
c6c37250 452#ifdef DLL_SUPPORT
252b5132
RH
453 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
454 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
455 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
456 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 457 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
b34976b6 458 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
459 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
460 fprintf (file, _(" Exclude objects, archive members from auto\n"));
461 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
462 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
463 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
464 fprintf (file, _(" --out-implib <file> Generate import library\n"));
465 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
d0e6d77b 466 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n"));
e3c8793a
NC
467 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
468 create __imp_<SYMBOL> as well.\n"));
d0e6d77b
CF
469 fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\
470 (optionally starting with address) unless\n\
471 specifically set with --image-base\n"));
5f577f7d 472 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
473 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
474 an importlib, use <string><basename>.dll\n\
e3c8793a 475 in preference to lib<basename>.dll \n"));
c85f715a 476 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
e3c8793a 477 __imp_sym for DATA references\n"));
decc3638 478 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 479 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
480 adding pseudo-relocations resolved at\n\
481 runtime.\n"));
2fa9fc65
NC
482 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
483 auto-imported DATA.\n"));
e3c8793a
NC
484 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
485 or linking to DLLs (esp. auto-import)\n"));
252b5132 486#endif
26d2d8a2
BF
487 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
488 greater than 2 gigabytes\n"));
f69a2f97
NC
489 fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\
490 addresses greater than 2 gigabytes\n"));
88183869
DK
491 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
492 executable image files\n"));
493 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
494 in object files\n"));
2f563b51
DK
495 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
496 address space layout randomization (ASLR)\n"));
497 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
498 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
499 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
500 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
501 be called in this image\n"));
502 fprintf (file, _(" --no-bind Do not bind this image\n"));
503 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 504 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
61e2488c 505 fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
252b5132
RH
506}
507
4cd89863 508
252b5132 509static void
0c7a8e5a 510set_pe_name (char *name, long val)
252b5132 511{
d74720d2
KT
512 int i;
513 is_underscoring ();
4cd89863
NC
514
515 /* Find the name and set it. */
252b5132
RH
516 for (i = 0; init[i].ptr; i++)
517 {
522f09cd 518 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
252b5132
RH
519 {
520 init[i].value = val;
521 init[i].inited = 1;
dffc6a64
KT
522 if (strcmp (name,"__image_base__") == 0)
523 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
524 return;
525 }
526 }
939ba9d0 527 abort ();
252b5132
RH
528}
529
decfa41e
KT
530static void
531set_entry_point (void)
532{
533 const char *entry;
534 const char *initial_symbol_char;
d74720d2 535 int i;
decfa41e
KT
536
537 static const struct
538 {
539 const int value;
540 const char *entry;
541 }
542 v[] =
543 {
544 { 1, "NtProcessStartup" },
545 { 2, "WinMainCRTStartup" },
546 { 3, "mainCRTStartup" },
547 { 7, "__PosixProcessStartup"},
548 { 9, "WinMainCRTStartup" },
549 {14, "mainCRTStartup" },
550 { 0, NULL }
551 };
552
553 /* Entry point name for arbitrary subsystem numbers. */
554 static const char default_entry[] = "mainCRTStartup";
555
0e1862bb 556 if (bfd_link_pic (&link_info) || dll)
decfa41e
KT
557 {
558#if defined (TARGET_IS_i386pe)
559 entry = "DllMainCRTStartup@12";
560#else
561 entry = "DllMainCRTStartup";
562#endif
563 }
564 else
565 {
566
567 for (i = 0; v[i].entry; i++)
568 if (v[i].value == pe_subsystem)
569 break;
570
571 /* If no match, use the default. */
572 if (v[i].entry != NULL)
573 entry = v[i].entry;
574 else
575 entry = default_entry;
576 }
577
d74720d2 578 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
522f09cd 579
decfa41e
KT
580 if (*initial_symbol_char != '\0')
581 {
582 char *alc_entry;
583
584 /* lang_default_entry expects its argument to be permanently
585 allocated, so we don't free this string. */
586 alc_entry = xmalloc (strlen (initial_symbol_char)
587 + strlen (entry)
588 + 1);
589 strcpy (alc_entry, initial_symbol_char);
590 strcat (alc_entry, entry);
591 entry = alc_entry;
592 }
593
594 lang_default_entry (entry);
595}
252b5132
RH
596
597static void
0c7a8e5a 598set_pe_subsystem (void)
252b5132
RH
599{
600 const char *sver;
33f362e1 601 char *end;
252b5132
RH
602 int len;
603 int i;
33f362e1 604 unsigned long temp_subsystem;
3fc90ddb 605 static const struct
252b5132
RH
606 {
607 const char *name;
608 const int value;
252b5132
RH
609 }
610 v[] =
611 {
decfa41e
KT
612 { "native", 1},
613 { "windows", 2},
614 { "console", 3},
615 { "posix", 7},
616 { "wince", 9},
617 { "xbox", 14},
618 { NULL, 0 }
252b5132
RH
619 };
620
33f362e1 621 /* Check for the presence of a version number. */
252b5132
RH
622 sver = strchr (optarg, ':');
623 if (sver == NULL)
624 len = strlen (optarg);
625 else
626 {
252b5132
RH
627 len = sver - optarg;
628 set_pe_name ("__major_subsystem_version__",
decfa41e 629 strtoul (sver + 1, &end, 0));
252b5132
RH
630 if (*end == '.')
631 set_pe_name ("__minor_subsystem_version__",
decfa41e 632 strtoul (end + 1, &end, 0));
252b5132
RH
633 if (*end != '\0')
634 einfo (_("%P: warning: bad version number in -subsystem option\n"));
635 }
636
33f362e1
NC
637 /* Check for numeric subsystem. */
638 temp_subsystem = strtoul (optarg, & end, 0);
639 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 640 {
33f362e1
NC
641 /* Search list for a numeric match to use its entry point. */
642 for (i = 0; v[i].name; i++)
643 if (v[i].value == (int) temp_subsystem)
644 break;
645
33f362e1 646 /* Use this subsystem. */
decfa41e 647 pe_subsystem = (int) temp_subsystem;
33f362e1
NC
648 }
649 else
650 {
651 /* Search for subsystem by name. */
652 for (i = 0; v[i].name; i++)
653 if (strncmp (optarg, v[i].name, len) == 0
654 && v[i].name[len] == '\0')
655 break;
252b5132 656
33f362e1
NC
657 if (v[i].name == NULL)
658 {
659 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
252b5132
RH
660 return;
661 }
33f362e1 662
decfa41e 663 pe_subsystem = v[i].value;
252b5132 664 }
3fc90ddb 665
decfa41e 666 set_pe_name ("__subsystem__", pe_subsystem);
33f362e1
NC
667
668 return;
252b5132
RH
669}
670
671
252b5132 672static void
0c7a8e5a 673set_pe_value (char *name)
252b5132
RH
674{
675 char *end;
3fc90ddb 676
252b5132 677 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 678
252b5132
RH
679 if (end == optarg)
680 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
681
682 optarg = end;
683}
684
4cd89863 685
252b5132 686static void
0c7a8e5a 687set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
688{
689 set_pe_value (resname);
3fc90ddb 690
252b5132
RH
691 if (*optarg == ',')
692 {
693 optarg++;
694 set_pe_value (comname);
695 }
696 else if (*optarg)
697 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
698}
699
61e2488c 700#define DEFAULT_BUILD_ID_STYLE "md5"
252b5132 701
3bcf5557 702static bfd_boolean
0c7a8e5a 703gld${EMULATION_NAME}_handle_option (int optc)
252b5132 704{
252b5132
RH
705 switch (optc)
706 {
707 default:
3bcf5557 708 return FALSE;
252b5132
RH
709
710 case OPTION_BASE_FILE:
0c7a8e5a 711 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 712 if (link_info.base_file == NULL)
e922bcab 713 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
714 break;
715
4cd89863 716 /* PE options. */
3fc90ddb 717 case OPTION_HEAP:
252b5132
RH
718 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
719 break;
3fc90ddb 720 case OPTION_STACK:
252b5132
RH
721 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
722 break;
723 case OPTION_SUBSYSTEM:
724 set_pe_subsystem ();
725 break;
726 case OPTION_MAJOR_OS_VERSION:
727 set_pe_value ("__major_os_version__");
728 break;
729 case OPTION_MINOR_OS_VERSION:
730 set_pe_value ("__minor_os_version__");
731 break;
732 case OPTION_MAJOR_SUBSYSTEM_VERSION:
733 set_pe_value ("__major_subsystem_version__");
734 break;
735 case OPTION_MINOR_SUBSYSTEM_VERSION:
736 set_pe_value ("__minor_subsystem_version__");
737 break;
738 case OPTION_MAJOR_IMAGE_VERSION:
739 set_pe_value ("__major_image_version__");
740 break;
741 case OPTION_MINOR_IMAGE_VERSION:
742 set_pe_value ("__minor_image_version__");
743 break;
744 case OPTION_FILE_ALIGNMENT:
745 set_pe_value ("__file_alignment__");
746 break;
747 case OPTION_SECTION_ALIGNMENT:
748 set_pe_value ("__section_alignment__");
749 break;
750 case OPTION_DLL:
751 set_pe_name ("__dll__", 1);
752 break;
753 case OPTION_IMAGE_BASE:
754 set_pe_value ("__image_base__");
755 break;
756 case OPTION_SUPPORT_OLD_CODE:
757 support_old_code = 1;
758 break;
6f798e5c
NC
759 case OPTION_THUMB_ENTRY:
760 thumb_entry_symbol = optarg;
761 break;
ce11ba6c
KT
762 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
763 pe_use_nul_prefixed_import_tables = TRUE;
764 break;
522f09cd
KT
765 case OPTION_NO_LEADING_UNDERSCORE:
766 pe_leading_underscore = 0;
767 break;
768 case OPTION_LEADING_UNDERSCORE:
769 pe_leading_underscore = 1;
770 break;
0cb112f7
CF
771 case OPTION_INSERT_TIMESTAMP:
772 insert_timestamp = TRUE;
773 break;
eeb14e5a
LZ
774 case OPTION_NO_INSERT_TIMESTAMP:
775 insert_timestamp = FALSE;
776 break;
c6c37250 777#ifdef DLL_SUPPORT
252b5132
RH
778 case OPTION_OUT_DEF:
779 pe_out_def_filename = xstrdup (optarg);
780 break;
781 case OPTION_EXPORT_ALL:
782 pe_dll_export_everything = 1;
783 break;
784 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 785 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79 786 break;
2927aaca
NC
787 case OPTION_EXCLUDE_ALL_SYMBOLS:
788 pe_dll_exclude_all_symbols = 1;
789 break;
70b0be79 790 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
791 pe_dll_add_excludes (optarg, EXCLUDELIBS);
792 break;
793 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
794 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
795 break;
796 case OPTION_KILL_ATS:
797 pe_dll_kill_ats = 1;
798 break;
799 case OPTION_STDCALL_ALIASES:
800 pe_dll_stdcall_aliases = 1;
801 break;
802 case OPTION_ENABLE_STDCALL_FIXUP:
803 pe_enable_stdcall_fixup = 1;
804 break;
805 case OPTION_DISABLE_STDCALL_FIXUP:
806 pe_enable_stdcall_fixup = 0;
807 break;
808 case OPTION_IMPLIB_FILENAME:
809 pe_implib_filename = xstrdup (optarg);
810 break;
870df5dc
NC
811 case OPTION_WARN_DUPLICATE_EXPORTS:
812 pe_dll_warn_dup_exports = 1;
813 break;
814 case OPTION_IMP_COMPAT:
815 pe_dll_compat_implib = 1;
816 break;
5f577f7d
DD
817 case OPTION_ENABLE_AUTO_IMAGE_BASE:
818 pe_enable_auto_image_base = 1;
d0e6d77b
CF
819 if (optarg && *optarg)
820 {
821 char *end;
61e2488c 822 pe_auto_image_base = strtoul (optarg, &end, 0);
d0e6d77b
CF
823 /* XXX should check that we actually parsed something */
824 }
5f577f7d
DD
825 break;
826 case OPTION_DISABLE_AUTO_IMAGE_BASE:
827 pe_enable_auto_image_base = 0;
828 break;
627427de 829 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 830 pe_dll_search_prefix = xstrdup (optarg);
627427de 831 break;
1122a5fc
NC
832 case OPTION_NO_DEFAULT_EXCLUDES:
833 pe_dll_do_default_excludes = 0;
834 break;
decc3638 835 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 836 link_info.pei386_auto_import = 1;
decc3638
CW
837 break;
838 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 839 link_info.pei386_auto_import = 0;
decc3638 840 break;
2fa9fc65 841 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
e468a046
KT
842 link_info.pei386_runtime_pseudo_reloc =
843 DEFAULT_PSEUDO_RELOC_VERSION;
2fa9fc65 844 break;
6cb442d3
KT
845 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
846 link_info.pei386_runtime_pseudo_reloc = 1;
847 break;
848 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
849 link_info.pei386_runtime_pseudo_reloc = 2;
850 break;
2fa9fc65
NC
851 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
852 link_info.pei386_runtime_pseudo_reloc = 0;
853 break;
decc3638
CW
854 case OPTION_ENABLE_EXTRA_PE_DEBUG:
855 pe_dll_extra_pe_debug = 1;
856 break;
c6c37250 857#endif
26d2d8a2
BF
858 case OPTION_LARGE_ADDRESS_AWARE:
859 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
860 break;
f69a2f97
NC
861 case OPTION_DISABLE_LARGE_ADDRESS_AWARE:
862 real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE;
863 break;
88183869
DK
864 case OPTION_ENABLE_LONG_SECTION_NAMES:
865 pe_use_coff_long_section_names = 1;
866 break;
867 case OPTION_DISABLE_LONG_SECTION_NAMES:
868 pe_use_coff_long_section_names = 0;
869 break;
2f563b51
DK
870/* Get DLLCharacteristics bits */
871 case OPTION_DYNAMIC_BASE:
872 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
873 break;
874 case OPTION_FORCE_INTEGRITY:
875 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
876 break;
877 case OPTION_NX_COMPAT:
878 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
879 break;
880 case OPTION_NO_ISOLATION:
881 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
882 break;
883 case OPTION_NO_SEH:
884 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
885 break;
886 case OPTION_NO_BIND:
887 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
888 break;
889 case OPTION_WDM_DRIVER:
890 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
891 break;
892 case OPTION_TERMINAL_SERVER_AWARE:
893 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
894 break;
61e2488c
JT
895 case OPTION_BUILD_ID:
896 if (emit_build_id != NULL)
897 {
898 free ((char *) emit_build_id);
899 emit_build_id = NULL;
900 }
901 if (optarg == NULL)
902 optarg = DEFAULT_BUILD_ID_STYLE;
903 if (strcmp (optarg, "none"))
904 emit_build_id = xstrdup (optarg);
905 break;
252b5132 906 }
2f563b51
DK
907
908 /* Set DLLCharacteristics bits */
909 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
910
3bcf5557 911 return TRUE;
252b5132
RH
912}
913\f
5f577f7d 914
2ef53d66 915#ifdef DLL_SUPPORT
3fc90ddb 916static unsigned long
5f577f7d
DD
917strhash (const char *str)
918{
919 const unsigned char *s;
920 unsigned long hash;
921 unsigned int c;
922 unsigned int len;
923
924 hash = 0;
925 len = 0;
926 s = (const unsigned char *) str;
927 while ((c = *s++) != '\0')
928 {
929 hash += c + (c << 17);
930 hash ^= hash >> 2;
931 ++len;
932 }
933 hash += len + (len << 17);
934 hash ^= hash >> 2;
935
936 return hash;
937}
938
4cd89863
NC
939/* Use the output file to create a image base for relocatable DLLs. */
940
5f577f7d
DD
941static unsigned long
942compute_dll_image_base (const char *ofile)
943{
944 unsigned long hash = strhash (ofile);
d0e6d77b 945 return pe_auto_image_base + ((hash << 16) & 0x0FFC0000);
5f577f7d 946}
2ef53d66 947#endif
5f577f7d 948
252b5132
RH
949/* Assign values to the special symbols before the linker script is
950 read. */
951
952static void
0c7a8e5a 953gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
954{
955 /* Run through and invent symbols for all the
4cd89863 956 names and insert the defaults. */
d74720d2 957 int j;
b804e4af 958
d74720d2 959 is_underscoring ();
252b5132
RH
960
961 if (!init[IMAGEBASEOFF].inited)
962 {
0e1862bb 963 if (bfd_link_relocatable (&link_info))
252b5132 964 init[IMAGEBASEOFF].value = 0;
0e1862bb 965 else if (init[DLLOFF].value || bfd_link_dll (&link_info))
d127ecce 966 {
2ef53d66 967#ifdef DLL_SUPPORT
d127ecce
AM
968 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
969 ? compute_dll_image_base (output_filename)
970 : NT_DLL_IMAGE_BASE);
2ef53d66 971#else
d127ecce 972 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
2ef53d66 973#endif
d127ecce 974 }
252b5132
RH
975 else
976 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 977 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
978 }
979
1049f94e 980 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 981 if (bfd_link_relocatable (&link_info))
252b5132
RH
982 return;
983
4cd89863 984 /* Glue the assignments into the abs section. */
bde18da4 985 push_stat_ptr (&abs_output_section->children);
252b5132
RH
986
987 for (j = 0; init[j].ptr; j++)
988 {
989 long val = init[j].value;
990 lang_assignment_statement_type *rv;
522f09cd 991
2e57b2af 992 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
eb8476a6 993 exp_intop (val), FALSE));
939ba9d0
NC
994 if (init[j].size == sizeof (short))
995 *(short *) init[j].ptr = val;
996 else if (init[j].size == sizeof (int))
997 *(int *) init[j].ptr = val;
998 else if (init[j].size == sizeof (long))
999 *(long *) init[j].ptr = val;
252b5132 1000 /* This might be a long long or other special type. */
939ba9d0
NC
1001 else if (init[j].size == sizeof (bfd_vma))
1002 *(bfd_vma *) init[j].ptr = val;
1003 else abort ();
252b5132
RH
1004 if (j == IMAGEBASEOFF)
1005 image_base_statement = rv;
1006 }
4cd89863 1007 /* Restore the pointer. */
bde18da4 1008 pop_stat_ptr ();
3fc90ddb 1009
d127ecce 1010 if (pe.FileAlignment > pe.SectionAlignment)
252b5132
RH
1011 {
1012 einfo (_("%P: warning, file alignment > section alignment.\n"));
1013 }
1014}
1015
1016/* This is called after the linker script and the command line options
1017 have been read. */
1018
1019static void
0c7a8e5a 1020gld_${EMULATION_NAME}_after_parse (void)
252b5132 1021{
8b747e1a
DK
1022 /* PR ld/6744: Warn the user if they have used an ELF-only
1023 option hoping it will work on PE. */
1024 if (link_info.export_dynamic)
1025 einfo (_("%P: warning: --export-dynamic is not supported for PE "
1026 "targets, did you mean --export-all-symbols?\n"));
97b11f40 1027
decfa41e
KT
1028 set_entry_point ();
1029
97b11f40 1030 after_parse_default ();
252b5132
RH
1031}
1032
aa3d9aba
NC
1033/* pe-dll.c directly accesses pe_data_import_dll,
1034 so it must be defined outside of #ifdef DLL_SUPPORT.
1035 Note - this variable is deliberately not initialised.
1036 This allows it to be treated as a common varaible, and only
1037 exist in one incarnation in a multiple target enabled linker. */
1038char * pe_data_import_dll;
72358f65 1039
2ef53d66 1040#ifdef DLL_SUPPORT
252b5132
RH
1041static struct bfd_link_hash_entry *pe_undef_found_sym;
1042
b34976b6 1043static bfd_boolean
0c7a8e5a 1044pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 1045{
decc3638 1046 int sl;
0c7a8e5a 1047 char *string = inf;
8a9eab9b 1048 const char *hs = h->root.string;
4cd89863 1049
0c7a8e5a 1050 sl = strlen (string);
252b5132 1051 if (h->type == bfd_link_hash_defined
8a9eab9b
KT
1052 && ((*hs == '@' && *string == '_'
1053 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1054 || strncmp (hs, string, sl) == 0)
252b5132 1055 && h->root.string[sl] == '@')
decc3638
CW
1056 {
1057 pe_undef_found_sym = h;
b34976b6 1058 return FALSE;
decc3638 1059 }
b34976b6 1060 return TRUE;
252b5132
RH
1061}
1062
1063static void
0c7a8e5a 1064pe_fixup_stdcalls (void)
252b5132
RH
1065{
1066 static int gave_warning_message = 0;
1067 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1068
3fc90ddb 1069 if (pe_dll_extra_pe_debug)
c9e38879 1070 printf ("%s\n", __FUNCTION__);
3fc90ddb 1071
f6e332e6 1072 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 1073 if (undef->type == bfd_link_hash_undefined)
252b5132 1074 {
c9e38879
NC
1075 char* at = strchr (undef->root.string, '@');
1076 int lead_at = (*undef->root.string == '@');
8a9eab9b
KT
1077 if (lead_at)
1078 at = strchr (undef->root.string + 1, '@');
b34976b6 1079
8a9eab9b 1080 if (at || lead_at)
c9e38879
NC
1081 {
1082 /* The symbol is a stdcall symbol, so let's look for a
1083 cdecl symbol with the same name and resolve to that. */
8a9eab9b
KT
1084 char *cname = xstrdup (undef->root.string);
1085
1086 if (lead_at)
1087 *cname = '_';
c9e38879 1088 at = strchr (cname, '@');
8a9eab9b
KT
1089 if (at)
1090 *at = 0;
c9e38879
NC
1091 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1092
1093 if (sym && sym->type == bfd_link_hash_defined)
1094 {
1095 undef->type = bfd_link_hash_defined;
1096 undef->u.def.value = sym->u.def.value;
1097 undef->u.def.section = sym->u.def.section;
4cd89863 1098
c9e38879
NC
1099 if (pe_enable_stdcall_fixup == -1)
1100 {
1101 einfo (_("Warning: resolving %s by linking to %s\n"),
1102 undef->root.string, cname);
1103 if (! gave_warning_message)
1104 {
1105 gave_warning_message = 1;
939ba9d0
NC
1106 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1107 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
1108 }
1109 }
1110 }
1111 }
1112 else
1113 {
1114 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 1115 symbols - which means scanning the whole symbol table. */
c9e38879
NC
1116 pe_undef_found_sym = 0;
1117 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
0c7a8e5a 1118 (char *) undef->root.string);
c9e38879
NC
1119 sym = pe_undef_found_sym;
1120 if (sym)
1121 {
1122 undef->type = bfd_link_hash_defined;
1123 undef->u.def.value = sym->u.def.value;
1124 undef->u.def.section = sym->u.def.section;
4cd89863 1125
c9e38879
NC
1126 if (pe_enable_stdcall_fixup == -1)
1127 {
1128 einfo (_("Warning: resolving %s by linking to %s\n"),
1129 undef->root.string, sym->root.string);
1130 if (! gave_warning_message)
1131 {
1132 gave_warning_message = 1;
939ba9d0
NC
1133 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1134 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
1135 }
1136 }
1137 }
1138 }
252b5132 1139 }
252b5132 1140}
decc3638
CW
1141
1142static int
0c7a8e5a 1143make_import_fixup (arelent *rel, asection *s)
decc3638 1144{
fc0a2244 1145 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1146 char addend[4];
decc3638 1147
3fc90ddb 1148 if (pe_dll_extra_pe_debug)
c9e38879 1149 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1150 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1151
c99b8138 1152 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
c9e38879
NC
1153 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1154 s->owner, s, rel->address);
0d888aac 1155
c99b8138 1156 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
0d888aac 1157
decc3638
CW
1158 return 1;
1159}
1160
decc3638 1161static void
0c7a8e5a 1162pe_find_data_imports (void)
decc3638
CW
1163{
1164 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1165
4cd89863
NC
1166 if (link_info.pei386_auto_import == 0)
1167 return;
1168
f6e332e6 1169 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
decc3638
CW
1170 {
1171 if (undef->type == bfd_link_hash_undefined)
1af699f4
AM
1172 {
1173 /* C++ symbols are *long*. */
a2a4d60d
NC
1174#define BUF_SIZE 4096
1175 char buf[BUF_SIZE];
c9e38879
NC
1176
1177 if (pe_dll_extra_pe_debug)
1178 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1179
a2a4d60d
NC
1180 if (strlen (undef->root.string) > (BUF_SIZE - 6))
1181 {
1182 /* PR linker/18466. */
1183 einfo (_("%P: internal error: symbol too long: %s\n"),
1184 undef->root.string);
1185 return;
1186 }
1187
1af699f4 1188 sprintf (buf, "__imp_%s", undef->root.string);
decc3638 1189
1af699f4 1190 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
c9e38879 1191
1af699f4
AM
1192 if (sym && sym->type == bfd_link_hash_defined)
1193 {
4cd89863
NC
1194 bfd *b = sym->u.def.section->owner;
1195 asymbol **symbols;
5c1d2f5f 1196 int nsyms, i;
4cd89863
NC
1197
1198 if (link_info.pei386_auto_import == -1)
8524166d
NC
1199 {
1200 static bfd_boolean warned = FALSE;
1201
1202 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1203 undef->root.string, buf);
1204
1205 /* PR linker/4844. */
1206 if (! warned)
1207 {
1208 warned = TRUE;
1209 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
44e36d8a 1210This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
8524166d
NC
1211 }
1212 }
4cd89863 1213
5c1d2f5f
AM
1214 if (!bfd_generic_link_read_symbols (b))
1215 {
1216 einfo (_("%B%F: could not read symbols: %E\n"), b);
1217 return;
1218 }
1219
1220 symbols = bfd_get_outsymbols (b);
1221 nsyms = bfd_get_symcount (b);
4cd89863
NC
1222
1223 for (i = 0; i < nsyms; i++)
1224 {
522f09cd
KT
1225 if (! CONST_STRNEQ (symbols[i]->name,
1226 U ("_head_")))
4cd89863
NC
1227 continue;
1228
1229 if (pe_dll_extra_pe_debug)
1230 printf ("->%s\n", symbols[i]->name);
1231
522f09cd
KT
1232 pe_data_import_dll = (char *) (symbols[i]->name
1233 + U_SIZE ("_head_") - 1);
4cd89863
NC
1234 break;
1235 }
1236
1237 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1238 make_import_fixup);
1239
1240 /* Let's differentiate it somehow from defined. */
1241 undef->type = bfd_link_hash_defweak;
1242 /* We replace original name with __imp_ prefixed, this
1243 1) may trash memory 2) leads to duplicate symbol generation.
1244 Still, IMHO it's better than having name poluted. */
1245 undef->root.string = sym->root.string;
1246 undef->u.def.value = sym->u.def.value;
1247 undef->u.def.section = sym->u.def.section;
1af699f4
AM
1248 }
1249 }
decc3638
CW
1250 }
1251}
252b5132 1252
b34976b6 1253static bfd_boolean
0c7a8e5a 1254pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1255{
80cc85a9 1256 printf ("+%s\n", h->string);
c9e38879 1257
b34976b6 1258 return TRUE;
decc3638 1259}
4b83d615 1260#endif /* DLL_SUPPORT */
decc3638 1261
e4492aa0 1262static void
3efd345c
DK
1263debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1264{
1265 int *found = (int *) obj;
1266 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1267 *found = 1;
1268}
decc3638 1269
61e2488c
JT
1270static bfd_boolean
1271pecoff_checksum_contents (bfd *abfd,
1272 void (*process) (const void *, size_t, void *),
1273 void *arg)
1274{
1275 file_ptr filepos = (file_ptr) 0;
1276
1277 while (1)
1278 {
1279 unsigned char b;
1280 int status;
1281
1282 if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
1283 return 0;
1284
1285 status = bfd_bread (&b, (bfd_size_type) 1, abfd);
1286 if (status < 1)
1287 {
1288 break;
1289 }
1290
1291 (*process) (&b, 1, arg);
1292 filepos += 1;
1293 }
1294
1295 return TRUE;
1296}
1297
1298static bfd_boolean
1299write_build_id (bfd *abfd)
1300{
1301 struct pe_tdata *t = pe_data (abfd);
1302 asection *asec;
1303 struct bfd_link_order *link_order = NULL;
1304 unsigned char *contents;
1305 bfd_size_type size;
1306 bfd_size_type build_id_size;
1307 unsigned char *build_id;
1308
74fffc39 1309 /* Find the section the .buildid output section has been merged info. */
61e2488c
JT
1310 for (asec = abfd->sections; asec != NULL; asec = asec->next)
1311 {
1312 struct bfd_link_order *l = NULL;
1313 for (l = asec->map_head.link_order; l != NULL; l = l->next)
1314 {
1315 if ((l->type == bfd_indirect_link_order))
1316 {
1317 if (l->u.indirect.section == t->build_id.sec)
1318 {
1319 link_order = l;
1320 break;
1321 }
1322 }
1323 }
1324
1325 if (link_order)
1326 break;
1327 }
1328
1329 if (!link_order)
1330 {
74fffc39 1331 einfo (_("%P: warning: .buildid section discarded,"
61e2488c
JT
1332 " --build-id ignored.\n"));
1333 return TRUE;
1334 }
1335
1336 if (t->build_id.sec->contents == NULL)
1337 t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
1338 contents = t->build_id.sec->contents;
1339 size = t->build_id.sec->size;
1340
1341 build_id_size = compute_build_id_size (t->build_id.style);
1342 build_id = xmalloc (build_id_size);
1343 generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
1344
1345 bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
1346
1347 /* Construct a debug directory entry which points to an immediately following CodeView record. */
1348 struct internal_IMAGE_DEBUG_DIRECTORY idd;
1349 idd.Characteristics = 0;
1350 idd.TimeDateStamp = 0;
1351 idd.MajorVersion = 0;
1352 idd.MinorVersion = 0;
1353 idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
1354 idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
1355 idd.AddressOfRawData = asec->vma - ib + link_order->offset
1356 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1357 idd.PointerToRawData = asec->filepos + link_order->offset
1358 + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1359
1360 struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
1361 _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
1362
1363 /* Write the debug directory entry. */
1364 if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
1365 return 0;
1366
1367 if ((bfd_bwrite (contents, size, abfd) != size))
1368 return 0;
1369
1370 /* Construct the CodeView record. */
1371 CODEVIEW_INFO cvinfo;
1372 cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
1373 cvinfo.Age = 1;
1374
1375 /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
1376 memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
1377 memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
1378 ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
1379
1380 free (build_id);
1381
1382 /* Write the codeview record. */
1383 if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
1384 return 0;
1385
1386 /* Record the location of the debug directory in the data directory. */
1387 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
1388 = asec->vma - ib + link_order->offset;
1389 pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
1390 = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
1391
1392 return TRUE;
1393}
1394
74fffc39 1395/* Make .buildid section, and set up coff_tdata->build_id. */
61e2488c
JT
1396static bfd_boolean
1397setup_build_id (bfd *ibfd)
1398{
1399 asection *s;
1400 flagword flags;
1401
1402 if (!validate_build_id_style (emit_build_id))
1403 {
1404 einfo ("%P: warning: unrecognized --build-id style ignored.\n");
1405 return FALSE;
1406 }
1407
1408 flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1409 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
74fffc39 1410 s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
61e2488c
JT
1411 if (s != NULL)
1412 {
1413 struct pe_tdata *t = pe_data (link_info.output_bfd);
1414 t->build_id.after_write_object_contents = &write_build_id;
1415 t->build_id.style = emit_build_id;
1416 t->build_id.sec = s;
1417
1418 /* Section is a fixed size:
1419 One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
1420 pointing at a CV_INFO_PDB70 record containing the build-id, with a
1421 null byte for PdbFileName. */
1422 s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
1423 + sizeof (CV_INFO_PDB70) + 1;
1424
1425 return TRUE;
1426 }
1427
74fffc39 1428 einfo ("%P: warning: Cannot create .buildid section,"
61e2488c
JT
1429 " --build-id ignored.\n");
1430 return FALSE;
1431}
1432
252b5132 1433static void
0c7a8e5a 1434gld_${EMULATION_NAME}_after_open (void)
252b5132 1435{
5c3049d2
AM
1436 after_open_default ();
1437
4b83d615 1438#ifdef DLL_SUPPORT
3fc90ddb 1439 if (pe_dll_extra_pe_debug)
decc3638
CW
1440 {
1441 bfd *a;
1442 struct bfd_link_hash_entry *sym;
c9e38879 1443
decc3638
CW
1444 printf ("%s()\n", __FUNCTION__);
1445
f6e332e6 1446 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1447 printf ("-%s\n", sym->root.string);
0c7a8e5a 1448 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638 1449
c72f2fb2 1450 for (a = link_info.input_bfds; a; a = a->link.next)
c9e38879 1451 printf ("*%s\n",a->filename);
decc3638 1452 }
4b83d615 1453#endif
3fc90ddb 1454
61e2488c
JT
1455 if (emit_build_id != NULL)
1456 {
1457 bfd *abfd;
1458
1459 /* Find a COFF input. */
1460 for (abfd = link_info.input_bfds;
c72f2fb2 1461 abfd != (bfd *) NULL; abfd = abfd->link.next)
61e2488c
JT
1462 if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1463 break;
1464
1465 /* If there are no COFF input files do not try to
1466 add a build-id section. */
1467 if (abfd == NULL
1468 || !setup_build_id (abfd))
1469 {
1470 free ((char *) emit_build_id);
1471 emit_build_id = NULL;
1472 }
1473 }
1474
252b5132
RH
1475 /* Pass the wacky PE command line options into the output bfd.
1476 FIXME: This should be done via a function, rather than by
1477 including an internal BFD header. */
3fc90ddb 1478
f13a99db
AM
1479 if (coff_data (link_info.output_bfd) == NULL
1480 || coff_data (link_info.output_bfd)->pe == 0)
1481 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1482 link_info.output_bfd);
252b5132 1483
f13a99db
AM
1484 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1485 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1486 pe_data (link_info.output_bfd)->real_flags |= real_flags;
0cb112f7 1487 pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
3efd345c
DK
1488
1489 /* At this point we must decide whether to use long section names
1490 in the output or not. If the user hasn't explicitly specified
1491 on the command line, we leave it to the default for the format
1492 (object files yes, image files no), except if there is debug
1493 information present; GDB relies on the long section names to
1494 find it, so enable it in that case. */
1495 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1496 {
0e1862bb 1497 if (bfd_link_relocatable (&link_info))
61e2488c
JT
1498 pe_use_coff_long_section_names = 1;
1499 else
3efd345c 1500 {
61e2488c
JT
1501 /* Iterate over all sections of all input BFDs, checking
1502 for any that begin 'debug_' and are long names. */
1503 LANG_FOR_EACH_INPUT_STATEMENT (is)
1504 {
1505 int found_debug = 0;
1506
1507 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1508 if (found_debug)
1509 {
1510 pe_use_coff_long_section_names = 1;
1511 break;
1512 }
1513 }
3efd345c
DK
1514 }
1515 }
1516
88183869 1517 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1518
c6c37250 1519#ifdef DLL_SUPPORT
252b5132
RH
1520 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1521 pe_fixup_stdcalls ();
1522
f13a99db 1523 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1524
3fc90ddb 1525 pe_find_data_imports ();
decc3638 1526
8a9eab9b
KT
1527 /* As possibly new symbols are added by imports, we rerun
1528 stdcall/fastcall fixup here. */
1529 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1530 pe_fixup_stdcalls ();
1531
7148cc28
NC
1532#if defined (TARGET_IS_i386pe) \
1533 || defined (TARGET_IS_armpe) \
1534 || defined (TARGET_IS_arm_epoc_pe) \
1535 || defined (TARGET_IS_arm_wince_pe)
0e1862bb 1536 if (!bfd_link_relocatable (&link_info))
f13a99db 1537 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28 1538#else
0e1862bb 1539 if (bfd_link_pic (&link_info))
f13a99db 1540 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1541 else
1542 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1543#endif
7148cc28 1544#endif /* DLL_SUPPORT */
252b5132 1545
7148cc28 1546#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1547 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1548 {
1549 /* The arm backend needs special fields in the output hash structure.
1550 These will only be created if the output format is an arm format,
1551 hence we do not support linking and changing output formats at the
1552 same time. Use a link followed by objcopy to change output formats. */
1553 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1554 return;
1555 }
252b5132
RH
1556 {
1557 /* Find a BFD that can hold the interworking stubs. */
1558 LANG_FOR_EACH_INPUT_STATEMENT (is)
1559 {
7148cc28 1560 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1561 break;
1562 }
1563 }
1564#endif
c6c37250 1565
486e80e2 1566 {
486e80e2
DD
1567 /* This next chunk of code tries to detect the case where you have
1568 two import libraries for the same DLL (specifically,
1569 symbolically linking libm.a and libc.a in cygwin to
1570 libcygwin.a). In those cases, it's possible for function
1571 thunks from the second implib to be used but without the
1572 head/tail objects, causing an improper import table. We detect
1573 those cases and rename the "other" import libraries to match
1574 the one the head/tail come from, so that the linker will sort
4cd89863 1575 things nicely and produce a valid import table. */
486e80e2
DD
1576
1577 LANG_FOR_EACH_INPUT_STATEMENT (is)
1578 {
1579 if (is->the_bfd->my_archive)
1580 {
1581 int idata2 = 0, reloc_count=0, is_imp = 0;
1582 asection *sec;
3fc90ddb 1583
6e45556a 1584 /* See if this is an import library thunk. */
486e80e2
DD
1585 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1586 {
1587 if (strcmp (sec->name, ".idata\$2") == 0)
1588 idata2 = 1;
0112cd26 1589 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1590 is_imp = 1;
1591 reloc_count += sec->reloc_count;
1592 }
3fc90ddb 1593
486e80e2
DD
1594 if (is_imp && !idata2 && reloc_count)
1595 {
6e45556a
NC
1596 /* It is, look for the reference to head and see if it's
1597 from our own library. */
486e80e2
DD
1598 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1599 {
1600 int i;
6e45556a 1601 long relsize;
102c86f8 1602 asymbol **symbols;
102c86f8
NC
1603 arelent **relocs;
1604 int nrelocs;
3fc90ddb 1605
102c86f8 1606 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1607 if (relsize < 1)
1608 break;
3fc90ddb 1609
5c1d2f5f 1610 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1611 {
5c1d2f5f
AM
1612 einfo (_("%B%F: could not read symbols: %E\n"),
1613 is->the_bfd);
6e45556a
NC
1614 return;
1615 }
5c1d2f5f 1616 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1617
d127ecce 1618 relocs = xmalloc ((size_t) relsize);
102c86f8 1619 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1620 relocs, symbols);
6e45556a
NC
1621 if (nrelocs < 0)
1622 {
1623 free (relocs);
44e36d8a 1624 einfo ("%X%P: unable to process relocs: %E\n");
6e45556a
NC
1625 return;
1626 }
3fc90ddb 1627
6e45556a 1628 for (i = 0; i < nrelocs; i++)
486e80e2 1629 {
fc0a2244 1630 struct bfd_symbol *s;
6e45556a 1631 struct bfd_link_hash_entry * blhe;
2a08daf3 1632 char *other_bfd_filename;
6e45556a 1633 char *n;
3fc90ddb 1634
486e80e2 1635 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1636
6e45556a
NC
1637 if (s->flags & BSF_LOCAL)
1638 continue;
3fc90ddb 1639
6e45556a
NC
1640 /* Thunk section with reloc to another bfd. */
1641 blhe = bfd_link_hash_lookup (link_info.hash,
1642 s->name,
b34976b6 1643 FALSE, FALSE, TRUE);
3fc90ddb 1644
6e45556a
NC
1645 if (blhe == NULL
1646 || blhe->type != bfd_link_hash_defined)
1647 continue;
3fc90ddb 1648
2a08daf3
DS
1649 other_bfd_filename
1650 = blhe->u.def.section->owner->my_archive
1651 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1652 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1653
42627821
KT
1654 if (filename_cmp (bfd_get_filename
1655 (is->the_bfd->my_archive),
1656 other_bfd_filename) == 0)
6e45556a 1657 continue;
3fc90ddb 1658
c034e3e0 1659 /* Rename this implib to match the other one. */
2a08daf3
DS
1660 n = xmalloc (strlen (other_bfd_filename) + 1);
1661 strcpy (n, other_bfd_filename);
1662 is->the_bfd->my_archive->filename = n;
486e80e2
DD
1663 }
1664
1665 free (relocs);
6e45556a
NC
1666 /* Note - we do not free the symbols,
1667 they are now cached in the BFD. */
486e80e2
DD
1668 }
1669 }
1670 }
1671 }
1672 }
1673
c6c37250 1674 {
f0c87f88 1675 int is_ms_arch = 0;
1069dd8d 1676 bfd *cur_arch = 0;
c6c37250 1677 lang_input_statement_type *is2;
44dbf363 1678 lang_input_statement_type *is3;
1069dd8d 1679
c6c37250
DD
1680 /* Careful - this is a shell script. Watch those dollar signs! */
1681 /* Microsoft import libraries have every member named the same,
1682 and not in the right order for us to link them correctly. We
1683 must detect these and rename the members so that they'll link
1684 correctly. There are three types of objects: the head, the
1685 thunks, and the sentinel(s). The head is easy; it's the one
1686 with idata2. We assume that the sentinels won't have relocs,
1687 and the thunks will. It's easier than checking the symbol
1069dd8d 1688 table for external references. */
c6c37250
DD
1689 LANG_FOR_EACH_INPUT_STATEMENT (is)
1690 {
1691 if (is->the_bfd->my_archive)
1692 {
44dbf363 1693 char *pnt;
c6c37250 1694 bfd *arch = is->the_bfd->my_archive;
44dbf363 1695
c6c37250
DD
1696 if (cur_arch != arch)
1697 {
1698 cur_arch = arch;
1699 is_ms_arch = 1;
44dbf363
NC
1700
1701 for (is3 = is;
1702 is3 && is3->the_bfd->my_archive == arch;
1703 is3 = (lang_input_statement_type *) is3->next)
1704 {
1af699f4 1705 /* A MS dynamic import library can also contain static
44dbf363
NC
1706 members, so look for the first element with a .dll
1707 extension, and use that for the remainder of the
1708 comparisons. */
1709 pnt = strrchr (is3->the_bfd->filename, '.');
42627821 1710 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
ff71f4f7 1711 break;
44dbf363
NC
1712 }
1713
1714 if (is3 == NULL)
1715 is_ms_arch = 0;
1716 else
c6c37250 1717 {
44dbf363
NC
1718 /* OK, found one. Now look to see if the remaining
1719 (dynamic import) members use the same name. */
1720 for (is2 = is;
1721 is2 && is2->the_bfd->my_archive == arch;
1722 is2 = (lang_input_statement_type *) is2->next)
1723 {
1724 /* Skip static members, ie anything with a .obj
1725 extension. */
1726 pnt = strrchr (is2->the_bfd->filename, '.');
42627821 1727 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
44dbf363
NC
1728 continue;
1729
42627821
KT
1730 if (filename_cmp (is3->the_bfd->filename,
1731 is2->the_bfd->filename))
44dbf363
NC
1732 {
1733 is_ms_arch = 0;
1734 break;
1735 }
1736 }
c6c37250
DD
1737 }
1738 }
1739
44dbf363
NC
1740 /* This fragment might have come from an .obj file in a Microsoft
1741 import, and not an actual import record. If this is the case,
1742 then leave the filename alone. */
1743 pnt = strrchr (is->the_bfd->filename, '.');
1744
42627821 1745 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
c6c37250 1746 {
1069dd8d 1747 int idata2 = 0, reloc_count=0;
c6c37250
DD
1748 asection *sec;
1749 char *new_name, seq;
1069dd8d 1750
c6c37250
DD
1751 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1752 {
1753 if (strcmp (sec->name, ".idata\$2") == 0)
1754 idata2 = 1;
1755 reloc_count += sec->reloc_count;
1756 }
1757
1758 if (idata2) /* .idata2 is the TOC */
1759 seq = 'a';
1760 else if (reloc_count > 0) /* thunks */
1761 seq = 'b';
1762 else /* sentinel */
1763 seq = 'c';
1764
e4e24acb 1765 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD
1766 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1767 is->the_bfd->filename = new_name;
1768
690a460e 1769 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1770 sprintf (new_name, "%s.%c", is->filename, seq);
1771 is->filename = new_name;
1772 }
1773 }
1774 }
1775 }
54727719
NC
1776
1777 {
1778 /* The following chunk of code tries to identify jump stubs in
1779 import libraries which are dead code and eliminates them
1780 from the final link. For each exported symbol <sym>, there
1781 is a object file in the import library with a .text section
d34c1c51 1782 and several .idata\$* sections. The .text section contains the
54727719 1783 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1784 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1785 for __imp_<sym> which is the address of the slot for <sym> in
1786 the import address table. When a symbol is imported explicitly
1787 using __declspec(dllimport) declaration, the compiler generates
1788 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1789 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1790 needed. The following code tries to identify jump stub sections
1791 in import libraries which are not referred to by anyone and
1792 marks them for exclusion from the final link. */
1793 LANG_FOR_EACH_INPUT_STATEMENT (is)
1794 {
1795 if (is->the_bfd->my_archive)
1796 {
1797 int is_imp = 0;
1798 asection *sec, *stub_sec = NULL;
1799
1800 /* See if this is an import library thunk. */
1801 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1802 {
1803 if (strncmp (sec->name, ".idata\$", 7) == 0)
1804 is_imp = 1;
1805 /* The section containing the jmp stub has code
1806 and has a reloc. */
1807 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1808 stub_sec = sec;
1809 }
92b93329 1810
54727719
NC
1811 if (is_imp && stub_sec)
1812 {
54727719 1813 asymbol **symbols;
5c1d2f5f 1814 long nsyms, src_count;
54727719
NC
1815 struct bfd_link_hash_entry * blhe;
1816
5c1d2f5f
AM
1817 if (!bfd_generic_link_read_symbols (is->the_bfd))
1818 {
1819 einfo (_("%B%F: could not read symbols: %E\n"),
1820 is->the_bfd);
1821 return;
1822 }
1823 symbols = bfd_get_outsymbols (is->the_bfd);
1824 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1825
5c1d2f5f 1826 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1827 {
1828 if (symbols[src_count]->section->id == stub_sec->id)
1829 {
1830 /* This symbol belongs to the section containing
1831 the stub. */
1832 blhe = bfd_link_hash_lookup (link_info.hash,
1833 symbols[src_count]->name,
1834 FALSE, FALSE, TRUE);
1835 /* If the symbol in the stub section has no other
1836 undefined references, exclude the stub section
1837 from the final link. */
e0605dbe
AM
1838 if (blhe != NULL
1839 && blhe->type == bfd_link_hash_defined
1840 && blhe->u.undef.next == NULL
1841 && blhe != link_info.hash->undefs_tail)
54727719
NC
1842 stub_sec->flags |= SEC_EXCLUDE;
1843 }
1844 }
54727719
NC
1845 }
1846 }
1847 }
1848 }
252b5132
RH
1849}
1850\f
3fc90ddb 1851static void
0c7a8e5a 1852gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1853{
1854#ifdef TARGET_IS_ppcpe
c9e38879 1855 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1856 {
1857 LANG_FOR_EACH_INPUT_STATEMENT (is)
1858 {
1859 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1860 {
1861 /* xgettext:c-format */
1862 einfo (_("Errors encountered processing file %s\n"), is->filename);
1863 }
1864 }
1865 }
1866
c9e38879 1867 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1868 ppc_allocate_toc_section (&link_info);
1869#endif /* TARGET_IS_ppcpe */
1870
7148cc28 1871#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1872 /* FIXME: we should be able to set the size of the interworking stub
1873 section.
1874
1875 Here we rummage through the found bfds to collect glue
1876 information. FIXME: should this be based on a command line
c9e38879 1877 option? krk@cygnus.com. */
252b5132
RH
1878 {
1879 LANG_FOR_EACH_INPUT_STATEMENT (is)
1880 {
7148cc28 1881 if (! bfd_arm_process_before_allocation
252b5132
RH
1882 (is->the_bfd, & link_info, support_old_code))
1883 {
1884 /* xgettext:c-format */
44e36d8a 1885 einfo (_("Errors encountered processing file %s for interworking\n"),
252b5132
RH
1886 is->filename);
1887 }
1888 }
1889 }
1890
c9e38879 1891 /* We have seen it all. Allocate it, and carry on. */
7148cc28
NC
1892 bfd_arm_allocate_interworking_sections (& link_info);
1893#endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
8423293d 1894
1e035701 1895 before_allocation_default ();
252b5132
RH
1896}
1897\f
690a460e 1898#ifdef DLL_SUPPORT
252b5132 1899/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1900 check here for .DEF files and pull them in automatically. */
690a460e 1901
252b5132 1902static int
0c7a8e5a 1903saw_option (char *option)
252b5132
RH
1904{
1905 int i;
c9e38879
NC
1906
1907 for (i = 0; init[i].ptr; i++)
522f09cd 1908 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
252b5132
RH
1909 return init[i].inited;
1910 return 0;
1911}
690a460e 1912#endif /* DLL_SUPPORT */
252b5132 1913
b34976b6 1914static bfd_boolean
0c7a8e5a 1915gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1916{
c6c37250 1917#ifdef DLL_SUPPORT
252b5132
RH
1918 const char *ext = entry->filename + strlen (entry->filename) - 4;
1919
42627821 1920 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
252b5132 1921 {
f2d3750d 1922 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1923
1924 if (pe_def_file)
252b5132 1925 {
c9e38879
NC
1926 int i, buflen=0, len;
1927 char *buf;
252b5132 1928
c9e38879 1929 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1930 {
939ba9d0 1931 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1932 if (buflen < len + 2)
1933 buflen = len + 2;
252b5132 1934 }
252b5132 1935
d127ecce 1936 buf = xmalloc (buflen);
252b5132 1937
c9e38879
NC
1938 for (i = 0; i < pe_def_file->num_exports; i++)
1939 {
1940 struct bfd_link_hash_entry *h;
1941
522f09cd
KT
1942 sprintf (buf, "%s%s", U (""),
1943 pe_def_file->exports[i].internal_name);
c9e38879 1944
b34976b6 1945 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879
NC
1946 if (h == (struct bfd_link_hash_entry *) NULL)
1947 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1948 if (h->type == bfd_link_hash_new)
1949 {
1950 h->type = bfd_link_hash_undefined;
1951 h->u.undef.abfd = NULL;
1952 bfd_link_add_undef (link_info.hash, h);
1953 }
1954 }
1955 free (buf);
1956
1957 /* def_file_print (stdout, pe_def_file); */
1958 if (pe_def_file->is_dll == 1)
0e1862bb
L
1959 {
1960 link_info.type = type_dll;
1961 link_info.pic = 1;
1962 }
c9e38879
NC
1963
1964 if (pe_def_file->base_address != (bfd_vma)(-1))
1965 {
f13a99db
AM
1966 pe.ImageBase
1967 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1968 = init[IMAGEBASEOFF].value
1969 = pe_def_file->base_address;
c9e38879
NC
1970 init[IMAGEBASEOFF].inited = 1;
1971 if (image_base_statement)
eb8476a6
MR
1972 image_base_statement->exp
1973 = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
1974 FALSE);
c9e38879 1975 }
252b5132 1976
c9e38879
NC
1977 if (pe_def_file->stack_reserve != -1
1978 && ! saw_option ("__size_of_stack_reserve__"))
1979 {
1980 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1981 if (pe_def_file->stack_commit != -1)
1982 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1983 }
1984 if (pe_def_file->heap_reserve != -1
1985 && ! saw_option ("__size_of_heap_reserve__"))
1986 {
1987 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1988 if (pe_def_file->heap_commit != -1)
1989 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1990 }
b34976b6 1991 return TRUE;
c9e38879 1992 }
252b5132 1993 }
252b5132 1994#endif
b34976b6 1995 return FALSE;
252b5132
RH
1996}
1997
b34976b6 1998static bfd_boolean
0c7a8e5a 1999gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 2000{
c6c37250 2001#ifdef DLL_SUPPORT
252b5132 2002#ifdef TARGET_IS_i386pe
c6c37250 2003 pe_dll_id_target ("pei-i386");
344a211f
NC
2004#endif
2005#ifdef TARGET_IS_shpe
2006 pe_dll_id_target ("pei-shl");
2007#endif
344a211f
NC
2008#ifdef TARGET_IS_armpe
2009 pe_dll_id_target ("pei-arm-little");
7148cc28
NC
2010#endif
2011#ifdef TARGET_IS_arm_epoc_pe
2012 pe_dll_id_target ("epoc-pei-arm-little");
2013#endif
2014#ifdef TARGET_IS_arm_wince_pe
2015 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 2016#endif
ff2bdb9c
CF
2017 if (pe_bfd_is_dll (entry->the_bfd))
2018 return pe_implied_import_dll (entry->filename);
252b5132 2019#endif
b34976b6 2020 return FALSE;
252b5132
RH
2021}
2022
2023static void
0c7a8e5a 2024gld_${EMULATION_NAME}_finish (void)
252b5132 2025{
7148cc28 2026#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
2027 struct bfd_link_hash_entry * h;
2028
2029 if (thumb_entry_symbol != NULL)
2030 {
b34976b6
AM
2031 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
2032 FALSE, FALSE, TRUE);
3fc90ddb 2033
6f798e5c
NC
2034 if (h != (struct bfd_link_hash_entry *) NULL
2035 && (h->type == bfd_link_hash_defined
2036 || h->type == bfd_link_hash_defweak)
2037 && h->u.def.section->output_section != NULL)
2038 {
2039 static char buffer[32];
2040 bfd_vma val;
3fc90ddb 2041
6f798e5c
NC
2042 /* Special procesing is required for a Thumb entry symbol. The
2043 bottom bit of its address must be set. */
2044 val = (h->u.def.value
f13a99db 2045 + bfd_get_section_vma (link_info.output_bfd,
6f798e5c
NC
2046 h->u.def.section->output_section)
2047 + h->u.def.section->output_offset);
3fc90ddb 2048
6f798e5c 2049 val |= 1;
3fc90ddb 2050
6f798e5c
NC
2051 /* Now convert this value into a string and store it in entry_symbol
2052 where the lang_finish() function will pick it up. */
2053 buffer[0] = '0';
2054 buffer[1] = 'x';
3fc90ddb 2055
6f798e5c 2056 sprintf_vma (buffer + 2, val);
3fc90ddb 2057
e3e942e9 2058 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 2059 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
2060 thumb_entry_symbol, entry_symbol.name);
2061 entry_symbol.name = buffer;
6f798e5c
NC
2062 }
2063 else
c58dea77 2064 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 2065 }
7148cc28 2066#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 2067
1e035701
AM
2068 finish_default ();
2069
c6c37250 2070#ifdef DLL_SUPPORT
0e1862bb 2071 if (bfd_link_pic (&link_info)
e8044f35 2072#if !defined(TARGET_IS_shpe)
0e1862bb
L
2073 || (!bfd_link_relocatable (&link_info)
2074 && pe_def_file->num_exports != 0)
2b817be1
NC
2075#endif
2076 )
252b5132 2077 {
f13a99db 2078 pe_dll_fill_sections (link_info.output_bfd, &link_info);
252b5132 2079 if (pe_implib_filename)
e1c37eb5 2080 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
252b5132 2081 }
e8044f35 2082#if defined(TARGET_IS_shpe)
690a460e 2083 /* ARM doesn't need relocs. */
344a211f
NC
2084 else
2085 {
f13a99db 2086 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
2087 }
2088#endif
3fc90ddb 2089
252b5132
RH
2090 if (pe_out_def_filename)
2091 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 2092#endif /* DLL_SUPPORT */
decc3638 2093
c9e38879 2094 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 2095 {
f13a99db 2096 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 2097
decc3638
CW
2098 if (asec)
2099 {
1af699f4
AM
2100 asec->flags &= ~SEC_CODE;
2101 asec->flags |= SEC_DATA;
decc3638
CW
2102 }
2103 }
252b5132
RH
2104}
2105
2106\f
2107/* Place an orphan section.
2108
2109 We use this to put sections in a reasonable place in the file, and
2110 to ensure that they are aligned as required.
2111
d34c1c51 2112 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
2113 goes into the output section .foo. All grouped sections are sorted
2114 by name.
2115
2116 Grouped sections for the default sections are handled by the
2117 default linker script using wildcards, and are sorted by
2118 sort_sections. */
2119
c2edb4b8 2120static lang_output_section_statement_type *
8a99a385
AM
2121gld_${EMULATION_NAME}_place_orphan (asection *s,
2122 const char *secname,
2123 int constraint)
252b5132 2124{
bcacc0f5 2125 const char *orig_secname = secname;
f0c87f88 2126 char *dollar = NULL;
aea4bd9d 2127 lang_output_section_statement_type *os;
5ba47421 2128 lang_statement_list_type add_child;
b5f14a6d 2129 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 2130 lang_statement_union_type **pl;
252b5132 2131
252b5132 2132 /* Look through the script to see where to place this section. */
0e1862bb 2133 if (!bfd_link_relocatable (&link_info)
d34c1c51 2134 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 2135 {
bcacc0f5 2136 size_t len = dollar - secname;
afd7a018 2137 char *newname = xmalloc (len + 1);
bcacc0f5 2138 memcpy (newname, secname, len);
afd7a018
AM
2139 newname[len] = '\0';
2140 secname = newname;
6eec49fc 2141 }
252b5132 2142
5ba47421
AM
2143 lang_list_init (&add_child);
2144
d127ecce
AM
2145 os = NULL;
2146 if (constraint == 0)
2147 for (os = lang_output_section_find (secname);
2148 os != NULL;
2149 os = next_matching_output_section_statement (os, 0))
2150 {
2151 /* If we don't match an existing output section, tell
2152 lang_insert_orphan to create a new output section. */
2153 constraint = SPECIAL;
2154
2155 if (os->bfd_section != NULL
2156 && (os->bfd_section->flags == 0
2157 || ((s->flags ^ os->bfd_section->flags)
2158 & (SEC_LOAD | SEC_ALLOC)) == 0))
2159 {
2160 /* We already have an output section statement with this
2161 name, and its bfd section has compatible flags.
2162 If the section already exists but does not have any flags set,
2163 then it has been created by the linker, probably as a result of
2164 a --section-start command line switch. */
b9c361e0 2165 lang_add_section (&add_child, s, NULL, os);
d127ecce
AM
2166 break;
2167 }
b5f14a6d
DD
2168
2169 /* Save unused output sections in case we can match them
2170 against orphans later. */
2171 if (os->bfd_section == NULL)
2172 match_by_name = os;
d127ecce
AM
2173 }
2174
b5f14a6d
DD
2175 /* If we didn't match an active output section, see if we matched an
2176 unused one and use that. */
2177 if (os == NULL && match_by_name)
2178 {
b9c361e0 2179 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
2180 return match_by_name;
2181 }
2182
d127ecce 2183 if (os == NULL)
252b5132 2184 {
afd7a018
AM
2185 static struct orphan_save hold[] =
2186 {
2187 { ".text",
2188 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2189 0, 0, 0, 0 },
d4874973
KT
2190 { ".idata",
2191 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2192 0, 0, 0, 0 },
afd7a018
AM
2193 { ".rdata",
2194 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2195 0, 0, 0, 0 },
2196 { ".data",
2197 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2198 0, 0, 0, 0 },
2199 { ".bss",
2200 SEC_ALLOC,
2201 0, 0, 0, 0 }
2202 };
2203 enum orphan_save_index
2204 {
2205 orphan_text = 0,
d4874973 2206 orphan_idata,
afd7a018
AM
2207 orphan_rodata,
2208 orphan_data,
2209 orphan_bss
2210 };
2211 static int orphan_init_done = 0;
6a345e87 2212 struct orphan_save *place;
afd7a018 2213 lang_output_section_statement_type *after;
252b5132 2214 etree_type *address;
afd7a018
AM
2215
2216 if (!orphan_init_done)
2217 {
2218 struct orphan_save *ho;
2219 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2220 if (ho->name != NULL)
2221 {
2222 ho->os = lang_output_section_find (ho->name);
2223 if (ho->os != NULL && ho->os->flags == 0)
2224 ho->os->flags = ho->flags;
2225 }
2226 orphan_init_done = 1;
2227 }
252b5132
RH
2228
2229 /* Try to put the new output section in a reasonable place based
2230 on the section name and section flags. */
aea4bd9d 2231
252b5132 2232 place = NULL;
5ba47421
AM
2233 if ((s->flags & SEC_ALLOC) == 0)
2234 ;
afd7a018
AM
2235 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2236 place = &hold[orphan_bss];
2237 else if ((s->flags & SEC_READONLY) == 0)
2238 place = &hold[orphan_data];
2239 else if ((s->flags & SEC_CODE) == 0)
d4874973
KT
2240 {
2241 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
2242 : &hold[orphan_rodata]);
2243 }
1af699f4 2244 else
afd7a018 2245 place = &hold[orphan_text];
1af699f4 2246
afd7a018 2247 after = NULL;
1af699f4
AM
2248 if (place != NULL)
2249 {
afd7a018
AM
2250 if (place->os == NULL)
2251 place->os = lang_output_section_find (place->name);
2252 after = place->os;
2253 if (after == NULL)
390fbbf1 2254 after = lang_output_section_find_by_flags (s, &place->os, NULL);
afd7a018
AM
2255 if (after == NULL)
2256 /* *ABS* is always the first output section statement. */
2257 after = (&lang_output_section_statement.head
2258 ->output_section_statement);
252b5132
RH
2259 }
2260
4bf0cafb
DK
2261 /* All sections in an executable must be aligned to a page boundary.
2262 In a relocatable link, just preserve the incoming alignment; the
2263 address is discarded by lang_insert_orphan in that case, anyway. */
afd7a018 2264 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
2265 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2266 &add_child);
0e1862bb 2267 if (bfd_link_relocatable (&link_info))
4bf0cafb
DK
2268 {
2269 os->section_alignment = s->alignment_power;
2270 os->bfd_section->alignment_power = s->alignment_power;
2271 }
252b5132
RH
2272 }
2273
011aa75f
AM
2274 /* If the section name has a '\$', sort it with the other '\$'
2275 sections. */
2276 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2277 {
2278 lang_input_section_type *ls;
2279 const char *lname;
252b5132 2280
011aa75f
AM
2281 if ((*pl)->header.type != lang_input_section_enum)
2282 continue;
252b5132 2283
011aa75f 2284 ls = &(*pl)->input_section;
252b5132 2285
011aa75f
AM
2286 lname = bfd_get_section_name (ls->section->owner, ls->section);
2287 if (strchr (lname, '\$') != NULL
2288 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2289 break;
2290 }
5ba47421 2291
011aa75f
AM
2292 if (add_child.head != NULL)
2293 {
2294 *add_child.tail = *pl;
2295 *pl = add_child.head;
2296 }
252b5132 2297
c2edb4b8 2298 return os;
252b5132
RH
2299}
2300
b34976b6 2301static bfd_boolean
0c7a8e5a 2302gld_${EMULATION_NAME}_open_dynamic_archive
d127ecce
AM
2303 (const char *arch ATTRIBUTE_UNUSED,
2304 search_dirs_type *search,
0c7a8e5a 2305 lang_input_statement_type *entry)
690a460e 2306{
45e948fe
NC
2307 static const struct
2308 {
2309 const char * format;
2310 bfd_boolean use_prefix;
2311 }
2312 libname_fmt [] =
2313 {
2314 /* Preferred explicit import library for dll's. */
2315 { "lib%s.dll.a", FALSE },
2316 /* Alternate explicit import library for dll's. */
2317 { "%s.dll.a", FALSE },
2318 /* "libfoo.a" could be either an import lib or a static lib.
2319 For backwards compatibility, libfoo.a needs to precede
2320 libfoo.dll and foo.dll in the search. */
2321 { "lib%s.a", FALSE },
92b93329 2322 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe
NC
2323 { "%s.lib", FALSE },
2324#ifdef DLL_SUPPORT
2325 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2326 { "%s%s.dll", TRUE },
2327#endif
2328 /* Try "libfoo.dll" (default preferred dll name). */
2329 { "lib%s.dll", FALSE },
2330 /* Finally try 'native' dll name "foo.dll". */
2331 { "%s.dll", FALSE },
2332 /* Note: If adding more formats to this table, make sure to check to
2333 see if their length is longer than libname_fmt[0].format, and if
2334 so, update the call to xmalloc() below. */
2335 { NULL, FALSE }
2336 };
b1d9458a 2337 static unsigned int format_max_len = 0;
690a460e 2338 const char * filename;
45e948fe
NC
2339 char * full_string;
2340 char * base_string;
2341 unsigned int i;
2342
690a460e 2343
d4ae5fb0 2344 if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
b34976b6 2345 return FALSE;
690a460e
NC
2346
2347 filename = entry->filename;
2348
b1d9458a
NC
2349 if (format_max_len == 0)
2350 /* We need to allow space in the memory that we are going to allocate
2351 for the characters in the format string. Since the format array is
2352 static we only need to calculate this information once. In theory
2353 this value could also be computed statically, but this introduces
2354 the possibility for a discrepancy and hence a possible memory
2355 corruption. The lengths we compute here will be too long because
2356 they will include any formating characters (%s) in the strings, but
2357 this will not matter. */
2358 for (i = 0; libname_fmt[i].format; i++)
2359 if (format_max_len < strlen (libname_fmt[i].format))
2360 format_max_len = strlen (libname_fmt[i].format);
2361
45e948fe
NC
2362 full_string = xmalloc (strlen (search->name)
2363 + strlen (filename)
b1d9458a 2364 + format_max_len
b9a69188 2365#ifdef DLL_SUPPORT
45e948fe
NC
2366 + (pe_dll_search_prefix
2367 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 2368#endif
b1d9458a
NC
2369 /* Allow for the terminating NUL and for the path
2370 separator character that is inserted between
2371 search->name and the start of the format string. */
2372 + 2);
690a460e 2373
45e948fe
NC
2374 sprintf (full_string, "%s/", search->name);
2375 base_string = full_string + strlen (full_string);
690a460e 2376
45e948fe 2377 for (i = 0; libname_fmt[i].format; i++)
690a460e 2378 {
92b93329 2379#ifdef DLL_SUPPORT
45e948fe 2380 if (libname_fmt[i].use_prefix)
1af699f4 2381 {
45e948fe
NC
2382 if (!pe_dll_search_prefix)
2383 continue;
2384 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2385 }
45e948fe
NC
2386 else
2387#endif
2388 sprintf (base_string, libname_fmt[i].format, filename);
2389
2390 if (ldfile_try_open_bfd (full_string, entry))
2391 break;
2392 }
2393
2394 if (!libname_fmt[i].format)
2395 {
2396 free (full_string);
2397 return FALSE;
690a460e 2398 }
602e90d3 2399
45e948fe 2400 entry->filename = full_string;
690a460e 2401
b34976b6 2402 return TRUE;
690a460e
NC
2403}
2404
344a211f 2405static int
0c7a8e5a
AM
2406gld_${EMULATION_NAME}_find_potential_libraries
2407 (char *name, lang_input_statement_type *entry)
344a211f
NC
2408{
2409 return ldfile_open_file_search (name, entry, "", ".lib");
2410}
252b5132
RH
2411\f
2412static char *
0c7a8e5a 2413gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2414EOF
2415# Scripts compiled in.
2416# sed commands to quote an ld script as a C string.
597e2591 2417sc="-f stringify.sed"
252b5132 2418
92b93329 2419fragment <<EOF
3fc90ddb 2420{
252b5132
RH
2421 *isfile = 0;
2422
0e1862bb 2423 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
2424 return
2425EOF
1af699f4 2426sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 2427echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
1af699f4
AM
2428sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2429echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2430sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2431echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2432sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0 2433if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
ca5f2203 2434echo ' ; 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
2435sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2436fi
1af699f4
AM
2437echo ' ; else return' >> e${EMULATION_NAME}.c
2438sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2439echo '; }' >> e${EMULATION_NAME}.c
252b5132 2440
92b93329 2441fragment <<EOF
252b5132
RH
2442
2443
3fc90ddb 2444struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2445{
2446 gld_${EMULATION_NAME}_before_parse,
2447 syslib_default,
2448 hll_default,
2449 gld_${EMULATION_NAME}_after_parse,
2450 gld_${EMULATION_NAME}_after_open,
2451 after_allocation_default,
2452 set_output_arch_default,
2453 ldemul_default_target,
2454 gld_${EMULATION_NAME}_before_allocation,
2455 gld_${EMULATION_NAME}_get_script,
2456 "${EMULATION_NAME}",
2457 "${OUTPUT_FORMAT}",
4cd89863
NC
2458 gld_${EMULATION_NAME}_finish,
2459 NULL, /* Create output section statements. */
690a460e 2460 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2461 gld_${EMULATION_NAME}_place_orphan,
2462 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2463 NULL, /* parse_args */
2464 gld${EMULATION_NAME}_add_options,
2465 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2466 gld_${EMULATION_NAME}_unrecognized_file,
2467 gld_${EMULATION_NAME}_list_options,
344a211f 2468 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2469 gld_${EMULATION_NAME}_find_potential_libraries,
7a2f2d82
DD
2470 NULL, /* new_vers_pattern. */
2471 NULL /* extra_map_file_text. */
252b5132
RH
2472};
2473EOF
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