2010-05-11 Kai Tietz <kai.tietz@onevision.com>
[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
f96b4a7b 11/* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
bde18da4 12 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
252b5132 13
f96b4a7b
NC
14 This file is part of the GNU Binutils.
15
2fa9fc65
NC
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
f96b4a7b 18 the Free Software Foundation; either version 3 of the License, or
2fa9fc65 19 (at your option) any later version.
252b5132 20
2fa9fc65
NC
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
252b5132 25
2fa9fc65
NC
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
f96b4a7b
NC
28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
29 MA 02110-1301, USA. */
30
252b5132
RH
31
32/* For WINDOWS_NT */
33/* The original file generated returned different default scripts depending
34 on whether certain switches were set, but these switches pertain to the
35 Linux system and that particular version of coff. In the NT case, we
36 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ
37 the correct entry point by default. */
38
db09f25b
AM
39#define TARGET_IS_${EMULATION_NAME}
40
41/* Do this before including bfd.h, so we prototype the right functions. */
db09f25b 42
7148cc28
NC
43#if defined(TARGET_IS_armpe) \
44 || defined(TARGET_IS_arm_epoc_pe) \
45 || defined(TARGET_IS_arm_wince_pe)
46#define bfd_arm_allocate_interworking_sections \
47 bfd_${EMULATION_NAME}_allocate_interworking_sections
48#define bfd_arm_get_bfd_for_interworking \
49 bfd_${EMULATION_NAME}_get_bfd_for_interworking
50#define bfd_arm_process_before_allocation \
51 bfd_${EMULATION_NAME}_process_before_allocation
52#endif
92b93329 53
252b5132 54#include "sysdep.h"
3db64b00 55#include "bfd.h"
252b5132
RH
56#include "bfdlink.h"
57#include "getopt.h"
58#include "libiberty.h"
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"
252b5132 69#include "coff/internal.h"
71add731 70
26d2d8a2
BF
71/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
72 header in generic PE code. */
73#include "coff/i386.h"
74#include "coff/pe.h"
75
71add731
ILT
76/* FIXME: This is a BFD internal header file, and we should not be
77 using it here. */
252b5132 78#include "../bfd/libcoff.h"
71add731 79
252b5132 80#include "deffile.h"
1069dd8d 81#include "pe-dll.h"
29e1a6e4 82#include "safe-ctype.h"
14fe918e 83
2be9b2c7
ILT
84/* Permit the emulation parameters to override the default section
85 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
86 it seem that include/coff/internal.h should not define
87 PE_DEF_SECTION_ALIGNMENT. */
88#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
89#undef PE_DEF_SECTION_ALIGNMENT
90#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
91#endif
92
7148cc28
NC
93#if defined(TARGET_IS_i386pe) \
94 || defined(TARGET_IS_shpe) \
95 || defined(TARGET_IS_mipspe) \
96 || defined(TARGET_IS_armpe) \
97 || defined(TARGET_IS_arm_epoc_pe) \
98 || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
99#define DLL_SUPPORT
100#endif
c6c37250 101
e468a046
KT
102#if defined(TARGET_IS_i386pe)
103#define DEFAULT_PSEUDO_RELOC_VERSION 2
104#else
105#define DEFAULT_PSEUDO_RELOC_VERSION 1
106#endif
107
344a211f 108#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 109#define PE_DEF_SUBSYSTEM 3
344a211f
NC
110#else
111#undef NT_EXE_IMAGE_BASE
112#undef PE_DEF_SECTION_ALIGNMENT
113#undef PE_DEF_FILE_ALIGNMENT
114#define NT_EXE_IMAGE_BASE 0x00010000
7148cc28
NC
115
116#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
117#define PE_DEF_SECTION_ALIGNMENT 0x00001000
118#define PE_DEF_SUBSYSTEM 9
119#else
120#define PE_DEF_SECTION_ALIGNMENT 0x00000400
121#define PE_DEF_SUBSYSTEM 2
122#endif
123#define PE_DEF_FILE_ALIGNMENT 0x00000200
124#endif
c6c37250 125
252b5132
RH
126static struct internal_extra_pe_aouthdr pe;
127static int dll;
decfa41e 128static int pe_subsystem = ${SUBSYSTEM};
26d2d8a2 129static flagword real_flags = 0;
252b5132 130static int support_old_code = 0;
6f798e5c 131static char * thumb_entry_symbol = NULL;
252b5132 132static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 133static unsigned short pe_dll_characteristics = 0;
252b5132 134
f0c87f88 135#ifdef DLL_SUPPORT
4cd89863 136static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
690a460e
NC
137static char *pe_out_def_filename = NULL;
138static char *pe_implib_filename = NULL;
5f577f7d 139static int pe_enable_auto_image_base = 0;
627427de 140static char *pe_dll_search_prefix = NULL;
f0c87f88 141#endif
252b5132
RH
142
143extern const char *output_filename;
144
145static void
0c7a8e5a 146gld_${EMULATION_NAME}_before_parse (void)
252b5132 147{
b804e4af
KT
148 int u;
149 /* Now we check target's default for getting proper symbol_char. */
150 u = pe_leading_underscore;
151 if (u == -1
152 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
153 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
154
155 if (u == -1)
156 abort ();
157 pe_leading_underscore = u;
158
5e2f1575 159 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 160 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 161#ifdef DLL_SUPPORT
b34976b6 162 config.dynamic_link = TRUE;
252b5132 163 config.has_shared = 1;
5b9c6027
DK
164EOF
165
166# Cygwin no longer wants these noisy warnings. Other PE
167# targets might like to consider adding themselves here.
168case ${target} in
169 *-*-cygwin*)
170 default_auto_import=1
171 ;;
172 *)
173 default_auto_import=-1
174 ;;
175esac
176
177fragment <<EOF
178 link_info.pei386_auto_import = ${default_auto_import};
e468a046
KT
179 /* Use by default version. */
180 link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
252b5132
RH
181#endif
182}
183\f
184/* PE format extra command line options. */
185
4cd89863 186/* Used for setting flags in the PE header. */
252b5132
RH
187#define OPTION_BASE_FILE (300 + 1)
188#define OPTION_DLL (OPTION_BASE_FILE + 1)
189#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
190#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
191#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
192#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
193#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
194#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
195#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
196#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
197#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
0c7a8e5a
AM
198#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
199#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
200#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
201#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
202#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
203#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
204#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
2927aaca
NC
205#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
206#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
252b5132
RH
207#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
208#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
209#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
210#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
6f798e5c 211#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
870df5dc
NC
212#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
213#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
5f577f7d
DD
214#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
215#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC
216#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
217#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW
218#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
219#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
220#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
70b0be79 221#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
2fa9fc65
NC
222#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
223 (OPTION_EXCLUDE_LIBS + 1)
224#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
225 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
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BF
226#define OPTION_LARGE_ADDRESS_AWARE \
227 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
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KT
228#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
229 (OPTION_LARGE_ADDRESS_AWARE + 1)
230#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
231 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
e1c37eb5
DK
232#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
233 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
ce11ba6c 234#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
88183869 235 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
522f09cd 236#define OPTION_NO_LEADING_UNDERSCORE \
88183869 237 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
522f09cd
KT
238#define OPTION_LEADING_UNDERSCORE \
239 (OPTION_NO_LEADING_UNDERSCORE + 1)
240#define OPTION_ENABLE_LONG_SECTION_NAMES \
241 (OPTION_LEADING_UNDERSCORE + 1)
88183869
DK
242#define OPTION_DISABLE_LONG_SECTION_NAMES \
243 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
2f563b51
DK
244/* DLLCharacteristics flags */
245#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
246#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
247#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
248#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
249#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
250#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
251#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
252#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
252b5132 253
3bcf5557 254static void
0c7a8e5a 255gld${EMULATION_NAME}_add_options
d127ecce
AM
256 (int ns ATTRIBUTE_UNUSED,
257 char **shortopts ATTRIBUTE_UNUSED,
258 int nl,
259 struct option **longopts,
260 int nrl ATTRIBUTE_UNUSED,
261 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557
AM
262{
263 static const struct option xtra_long[] = {
264 /* PE options */
265 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
266 {"dll", no_argument, NULL, OPTION_DLL},
267 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
268 {"heap", required_argument, NULL, OPTION_HEAP},
269 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
270 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
271 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
272 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
273 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
274 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
275 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
276 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
277 {"stack", required_argument, NULL, OPTION_STACK},
278 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
279 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
280 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
281 {"use-nul-prefixed-import-tables", no_argument, NULL,
282 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT
283 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
284 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
c6c37250 285#ifdef DLL_SUPPORT
d127ecce
AM
286 /* getopt allows abbreviations, so we do this to stop it
287 from treating -o as an abbreviation for this option. */
3bcf5557
AM
288 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
289 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
290 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
291 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 292 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
3bcf5557 293 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 294 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
295 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
296 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
297 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
298 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
299 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
300 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
301 /* getopt() allows abbreviations, so we do this to stop it from
302 treating -c as an abbreviation for these --compat-implib. */
303 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
304 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
305 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
306 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
307 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
308 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
309 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
310 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
311 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
312 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
313 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
314 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
315 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 316#endif
26d2d8a2 317 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
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DK
318 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
319 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
320 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
321 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
322 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
323 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
324 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
325 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
326 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
327 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
3bcf5557
AM
328 {NULL, no_argument, NULL, 0}
329 };
252b5132 330
d127ecce
AM
331 *longopts
332 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
3bcf5557
AM
333 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
334}
252b5132
RH
335
336/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 337 parameters which may be input from the command line. */
252b5132
RH
338
339typedef struct
340{
341 void *ptr;
342 int size;
343 int value;
344 char *symbol;
345 int inited;
522f09cd
KT
346 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
347 C visible symbols can be prefixed by underscore dependent to target's
348 settings. */
349 bfd_boolean is_c_symbol;
252b5132
RH
350} definfo;
351
522f09cd
KT
352/* Get symbol name dependent to kind and C visible state of
353 underscore. */
354#define GET_INIT_SYMBOL_NAME(IDX) \
355 (init[(IDX)].symbol \
356 + ((init[(IDX)].is_c_symbol == FALSE || pe_leading_underscore != 0) ? 0 : 1))
357
358/* Decorates the C visible symbol by underscore, if target requires. */
359#define U(CSTR) \
360 (pe_leading_underscore == 0 ? CSTR : "_" CSTR)
361
362/* Get size of constant string for a possible underscore prefixed
363 C visible symbol. */
364#define U_SIZE(CSTR) \
365 (sizeof (CSTR) + pe_leading_underscore == 0 ? 0 : 1)
366
367#define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
252b5132
RH
368
369static definfo init[] =
370{
371 /* imagebase must be first */
372#define IMAGEBASEOFF 0
522f09cd 373 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
252b5132 374#define DLLOFF 1
522f09cd 375 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
dffc6a64 376#define MSIMAGEBASEOFF 2
522f09cd
KT
377 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
378 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
379 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
380 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
381 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
382 D(MajorImageVersion,"__major_image_version__", 1, FALSE),
383 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
7148cc28 384#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
522f09cd 385 D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
344a211f 386#else
522f09cd 387 D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
344a211f 388#endif
522f09cd
KT
389 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
390 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
391 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
392 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
393 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
394 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
395 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
396 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
397 { NULL, 0, 0, NULL, 0 , FALSE}
252b5132
RH
398};
399
4cd89863 400
252b5132 401static void
0c7a8e5a 402gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
403{
404 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
405 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
406 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
407 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
408 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
409 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
410 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
411 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
412 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
413 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
414 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
415 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
416 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
417 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
418 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 419 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
6f798e5c 420 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
c6c37250 421#ifdef DLL_SUPPORT
252b5132
RH
422 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
423 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
424 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
425 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 426 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
b34976b6 427 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
428 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
429 fprintf (file, _(" Exclude objects, archive members from auto\n"));
430 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
431 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
432 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
433 fprintf (file, _(" --out-implib <file> Generate import library\n"));
434 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
0752a404 435 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
e3c8793a
NC
436 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
437 create __imp_<SYMBOL> as well.\n"));
438 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
439 unless user specifies one\n"));
5f577f7d 440 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
441 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
442 an importlib, use <string><basename>.dll\n\
e3c8793a 443 in preference to lib<basename>.dll \n"));
489d0400 444 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
e3c8793a 445 __imp_sym for DATA references\n"));
decc3638 446 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 447 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
448 adding pseudo-relocations resolved at\n\
449 runtime.\n"));
2fa9fc65
NC
450 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
451 auto-imported DATA.\n"));
e3c8793a
NC
452 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
453 or linking to DLLs (esp. auto-import)\n"));
252b5132 454#endif
26d2d8a2
BF
455 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
456 greater than 2 gigabytes\n"));
88183869
DK
457 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
458 executable image files\n"));
459 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
460 in object files\n"));
2f563b51
DK
461 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
462 address space layout randomization (ASLR)\n"));
463 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
464 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
465 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
466 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
467 be called in this image\n"));
468 fprintf (file, _(" --no-bind Do not bind this image\n"));
469 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 470 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
252b5132
RH
471}
472
4cd89863 473
252b5132 474static void
0c7a8e5a 475set_pe_name (char *name, long val)
252b5132 476{
b804e4af
KT
477 int i, u;
478
479 /* Now we check target's default for getting proper symbol_char. */
480 u = pe_leading_underscore;
481 if (u == -1
482 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
483 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
484
485 if (u == -1)
486 abort ();
487 pe_leading_underscore = u;
4cd89863
NC
488
489 /* Find the name and set it. */
252b5132
RH
490 for (i = 0; init[i].ptr; i++)
491 {
522f09cd 492 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
252b5132
RH
493 {
494 init[i].value = val;
495 init[i].inited = 1;
dffc6a64
KT
496 if (strcmp (name,"__image_base__") == 0)
497 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
498 return;
499 }
500 }
939ba9d0 501 abort ();
252b5132
RH
502}
503
decfa41e
KT
504static void
505set_entry_point (void)
506{
507 const char *entry;
508 const char *initial_symbol_char;
522f09cd 509 int i, u = -1;
decfa41e
KT
510
511 static const struct
512 {
513 const int value;
514 const char *entry;
515 }
516 v[] =
517 {
518 { 1, "NtProcessStartup" },
519 { 2, "WinMainCRTStartup" },
520 { 3, "mainCRTStartup" },
521 { 7, "__PosixProcessStartup"},
522 { 9, "WinMainCRTStartup" },
523 {14, "mainCRTStartup" },
524 { 0, NULL }
525 };
526
527 /* Entry point name for arbitrary subsystem numbers. */
528 static const char default_entry[] = "mainCRTStartup";
529
530 if (link_info.shared || dll)
531 {
532#if defined (TARGET_IS_i386pe)
533 entry = "DllMainCRTStartup@12";
534#else
535 entry = "DllMainCRTStartup";
536#endif
537 }
538 else
539 {
540
541 for (i = 0; v[i].entry; i++)
542 if (v[i].value == pe_subsystem)
543 break;
544
545 /* If no match, use the default. */
546 if (v[i].entry != NULL)
547 entry = v[i].entry;
548 else
549 entry = default_entry;
550 }
551
522f09cd
KT
552 /* Now we check target's default for getting proper symbol_char. */
553 u = pe_leading_underscore;
b804e4af
KT
554 if (u == -1
555 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
522f09cd
KT
556 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
557
b804e4af 558 if (u == -1)
522f09cd 559 abort ();
b804e4af 560 initial_symbol_char = (u == 1 ? "_" : "");
522f09cd
KT
561 pe_leading_underscore = u;
562
decfa41e
KT
563 if (*initial_symbol_char != '\0')
564 {
565 char *alc_entry;
566
567 /* lang_default_entry expects its argument to be permanently
568 allocated, so we don't free this string. */
569 alc_entry = xmalloc (strlen (initial_symbol_char)
570 + strlen (entry)
571 + 1);
572 strcpy (alc_entry, initial_symbol_char);
573 strcat (alc_entry, entry);
574 entry = alc_entry;
575 }
576
577 lang_default_entry (entry);
578}
252b5132
RH
579
580static void
0c7a8e5a 581set_pe_subsystem (void)
252b5132
RH
582{
583 const char *sver;
33f362e1 584 char *end;
252b5132
RH
585 int len;
586 int i;
33f362e1 587 unsigned long temp_subsystem;
3fc90ddb 588 static const struct
252b5132
RH
589 {
590 const char *name;
591 const int value;
252b5132
RH
592 }
593 v[] =
594 {
decfa41e
KT
595 { "native", 1},
596 { "windows", 2},
597 { "console", 3},
598 { "posix", 7},
599 { "wince", 9},
600 { "xbox", 14},
601 { NULL, 0 }
252b5132
RH
602 };
603
33f362e1 604 /* Check for the presence of a version number. */
252b5132
RH
605 sver = strchr (optarg, ':');
606 if (sver == NULL)
607 len = strlen (optarg);
608 else
609 {
252b5132
RH
610 len = sver - optarg;
611 set_pe_name ("__major_subsystem_version__",
decfa41e 612 strtoul (sver + 1, &end, 0));
252b5132
RH
613 if (*end == '.')
614 set_pe_name ("__minor_subsystem_version__",
decfa41e 615 strtoul (end + 1, &end, 0));
252b5132
RH
616 if (*end != '\0')
617 einfo (_("%P: warning: bad version number in -subsystem option\n"));
618 }
619
33f362e1
NC
620 /* Check for numeric subsystem. */
621 temp_subsystem = strtoul (optarg, & end, 0);
622 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 623 {
33f362e1
NC
624 /* Search list for a numeric match to use its entry point. */
625 for (i = 0; v[i].name; i++)
626 if (v[i].value == (int) temp_subsystem)
627 break;
628
33f362e1 629 /* Use this subsystem. */
decfa41e 630 pe_subsystem = (int) temp_subsystem;
33f362e1
NC
631 }
632 else
633 {
634 /* Search for subsystem by name. */
635 for (i = 0; v[i].name; i++)
636 if (strncmp (optarg, v[i].name, len) == 0
637 && v[i].name[len] == '\0')
638 break;
252b5132 639
33f362e1
NC
640 if (v[i].name == NULL)
641 {
642 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
252b5132
RH
643 return;
644 }
33f362e1 645
decfa41e 646 pe_subsystem = v[i].value;
252b5132 647 }
3fc90ddb 648
decfa41e 649 set_pe_name ("__subsystem__", pe_subsystem);
33f362e1
NC
650
651 return;
252b5132
RH
652}
653
654
252b5132 655static void
0c7a8e5a 656set_pe_value (char *name)
252b5132
RH
657{
658 char *end;
3fc90ddb 659
252b5132 660 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 661
252b5132
RH
662 if (end == optarg)
663 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
664
665 optarg = end;
666}
667
4cd89863 668
252b5132 669static void
0c7a8e5a 670set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
671{
672 set_pe_value (resname);
3fc90ddb 673
252b5132
RH
674 if (*optarg == ',')
675 {
676 optarg++;
677 set_pe_value (comname);
678 }
679 else if (*optarg)
680 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
681}
682
683
3bcf5557 684static bfd_boolean
0c7a8e5a 685gld${EMULATION_NAME}_handle_option (int optc)
252b5132 686{
252b5132
RH
687 switch (optc)
688 {
689 default:
3bcf5557 690 return FALSE;
252b5132
RH
691
692 case OPTION_BASE_FILE:
0c7a8e5a 693 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132
RH
694 if (link_info.base_file == NULL)
695 {
696 /* xgettext:c-format */
697 fprintf (stderr, _("%s: Can't open base file %s\n"),
698 program_name, optarg);
699 xexit (1);
700 }
701 break;
702
4cd89863 703 /* PE options. */
3fc90ddb 704 case OPTION_HEAP:
252b5132
RH
705 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
706 break;
3fc90ddb 707 case OPTION_STACK:
252b5132
RH
708 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
709 break;
710 case OPTION_SUBSYSTEM:
711 set_pe_subsystem ();
712 break;
713 case OPTION_MAJOR_OS_VERSION:
714 set_pe_value ("__major_os_version__");
715 break;
716 case OPTION_MINOR_OS_VERSION:
717 set_pe_value ("__minor_os_version__");
718 break;
719 case OPTION_MAJOR_SUBSYSTEM_VERSION:
720 set_pe_value ("__major_subsystem_version__");
721 break;
722 case OPTION_MINOR_SUBSYSTEM_VERSION:
723 set_pe_value ("__minor_subsystem_version__");
724 break;
725 case OPTION_MAJOR_IMAGE_VERSION:
726 set_pe_value ("__major_image_version__");
727 break;
728 case OPTION_MINOR_IMAGE_VERSION:
729 set_pe_value ("__minor_image_version__");
730 break;
731 case OPTION_FILE_ALIGNMENT:
732 set_pe_value ("__file_alignment__");
733 break;
734 case OPTION_SECTION_ALIGNMENT:
735 set_pe_value ("__section_alignment__");
736 break;
737 case OPTION_DLL:
738 set_pe_name ("__dll__", 1);
739 break;
740 case OPTION_IMAGE_BASE:
741 set_pe_value ("__image_base__");
742 break;
743 case OPTION_SUPPORT_OLD_CODE:
744 support_old_code = 1;
745 break;
6f798e5c
NC
746 case OPTION_THUMB_ENTRY:
747 thumb_entry_symbol = optarg;
748 break;
ce11ba6c
KT
749 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
750 pe_use_nul_prefixed_import_tables = TRUE;
751 break;
522f09cd
KT
752 case OPTION_NO_LEADING_UNDERSCORE:
753 pe_leading_underscore = 0;
754 break;
755 case OPTION_LEADING_UNDERSCORE:
756 pe_leading_underscore = 1;
757 break;
c6c37250 758#ifdef DLL_SUPPORT
252b5132
RH
759 case OPTION_OUT_DEF:
760 pe_out_def_filename = xstrdup (optarg);
761 break;
762 case OPTION_EXPORT_ALL:
763 pe_dll_export_everything = 1;
764 break;
765 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 766 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79 767 break;
2927aaca
NC
768 case OPTION_EXCLUDE_ALL_SYMBOLS:
769 pe_dll_exclude_all_symbols = 1;
770 break;
70b0be79 771 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
772 pe_dll_add_excludes (optarg, EXCLUDELIBS);
773 break;
774 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
775 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
776 break;
777 case OPTION_KILL_ATS:
778 pe_dll_kill_ats = 1;
779 break;
780 case OPTION_STDCALL_ALIASES:
781 pe_dll_stdcall_aliases = 1;
782 break;
783 case OPTION_ENABLE_STDCALL_FIXUP:
784 pe_enable_stdcall_fixup = 1;
785 break;
786 case OPTION_DISABLE_STDCALL_FIXUP:
787 pe_enable_stdcall_fixup = 0;
788 break;
789 case OPTION_IMPLIB_FILENAME:
790 pe_implib_filename = xstrdup (optarg);
791 break;
870df5dc
NC
792 case OPTION_WARN_DUPLICATE_EXPORTS:
793 pe_dll_warn_dup_exports = 1;
794 break;
795 case OPTION_IMP_COMPAT:
796 pe_dll_compat_implib = 1;
797 break;
5f577f7d
DD
798 case OPTION_ENABLE_AUTO_IMAGE_BASE:
799 pe_enable_auto_image_base = 1;
800 break;
801 case OPTION_DISABLE_AUTO_IMAGE_BASE:
802 pe_enable_auto_image_base = 0;
803 break;
627427de 804 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 805 pe_dll_search_prefix = xstrdup (optarg);
627427de 806 break;
1122a5fc
NC
807 case OPTION_NO_DEFAULT_EXCLUDES:
808 pe_dll_do_default_excludes = 0;
809 break;
decc3638 810 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 811 link_info.pei386_auto_import = 1;
decc3638
CW
812 break;
813 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 814 link_info.pei386_auto_import = 0;
decc3638 815 break;
2fa9fc65 816 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
e468a046
KT
817 link_info.pei386_runtime_pseudo_reloc =
818 DEFAULT_PSEUDO_RELOC_VERSION;
2fa9fc65 819 break;
6cb442d3
KT
820 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
821 link_info.pei386_runtime_pseudo_reloc = 1;
822 break;
823 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
824 link_info.pei386_runtime_pseudo_reloc = 2;
825 break;
2fa9fc65
NC
826 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
827 link_info.pei386_runtime_pseudo_reloc = 0;
828 break;
decc3638
CW
829 case OPTION_ENABLE_EXTRA_PE_DEBUG:
830 pe_dll_extra_pe_debug = 1;
831 break;
c6c37250 832#endif
26d2d8a2
BF
833 case OPTION_LARGE_ADDRESS_AWARE:
834 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
835 break;
88183869
DK
836 case OPTION_ENABLE_LONG_SECTION_NAMES:
837 pe_use_coff_long_section_names = 1;
838 break;
839 case OPTION_DISABLE_LONG_SECTION_NAMES:
840 pe_use_coff_long_section_names = 0;
841 break;
2f563b51
DK
842/* Get DLLCharacteristics bits */
843 case OPTION_DYNAMIC_BASE:
844 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
845 break;
846 case OPTION_FORCE_INTEGRITY:
847 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
848 break;
849 case OPTION_NX_COMPAT:
850 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
851 break;
852 case OPTION_NO_ISOLATION:
853 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
854 break;
855 case OPTION_NO_SEH:
856 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
857 break;
858 case OPTION_NO_BIND:
859 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
860 break;
861 case OPTION_WDM_DRIVER:
862 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
863 break;
864 case OPTION_TERMINAL_SERVER_AWARE:
865 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
866 break;
252b5132 867 }
2f563b51
DK
868
869 /* Set DLLCharacteristics bits */
870 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
871
3bcf5557 872 return TRUE;
252b5132
RH
873}
874\f
5f577f7d 875
2ef53d66 876#ifdef DLL_SUPPORT
3fc90ddb 877static unsigned long
5f577f7d
DD
878strhash (const char *str)
879{
880 const unsigned char *s;
881 unsigned long hash;
882 unsigned int c;
883 unsigned int len;
884
885 hash = 0;
886 len = 0;
887 s = (const unsigned char *) str;
888 while ((c = *s++) != '\0')
889 {
890 hash += c + (c << 17);
891 hash ^= hash >> 2;
892 ++len;
893 }
894 hash += len + (len << 17);
895 hash ^= hash >> 2;
896
897 return hash;
898}
899
4cd89863
NC
900/* Use the output file to create a image base for relocatable DLLs. */
901
5f577f7d
DD
902static unsigned long
903compute_dll_image_base (const char *ofile)
904{
905 unsigned long hash = strhash (ofile);
2c7fd14a 906 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
5f577f7d 907}
2ef53d66 908#endif
5f577f7d 909
252b5132
RH
910/* Assign values to the special symbols before the linker script is
911 read. */
912
913static void
0c7a8e5a 914gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
915{
916 /* Run through and invent symbols for all the
4cd89863 917 names and insert the defaults. */
b804e4af
KT
918 int j, u;
919 /* Now we check target's default for getting proper symbol_char. */
920 u = pe_leading_underscore;
921 if (u == -1
922 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
923 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
924
925 if (u == -1)
926 abort ();
927 pe_leading_underscore = u;
252b5132
RH
928
929 if (!init[IMAGEBASEOFF].inited)
930 {
1049f94e 931 if (link_info.relocatable)
252b5132 932 init[IMAGEBASEOFF].value = 0;
db8acf26 933 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
d127ecce 934 {
2ef53d66 935#ifdef DLL_SUPPORT
d127ecce
AM
936 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
937 ? compute_dll_image_base (output_filename)
938 : NT_DLL_IMAGE_BASE);
2ef53d66 939#else
d127ecce 940 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
2ef53d66 941#endif
d127ecce 942 }
252b5132
RH
943 else
944 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 945 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
946 }
947
1049f94e
AM
948 /* Don't do any symbol assignments if this is a relocatable link. */
949 if (link_info.relocatable)
252b5132
RH
950 return;
951
4cd89863 952 /* Glue the assignments into the abs section. */
bde18da4 953 push_stat_ptr (&abs_output_section->children);
252b5132
RH
954
955 for (j = 0; init[j].ptr; j++)
956 {
957 long val = init[j].value;
958 lang_assignment_statement_type *rv;
522f09cd
KT
959
960 rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
2c382fb6 961 exp_intop (val)));
939ba9d0
NC
962 if (init[j].size == sizeof (short))
963 *(short *) init[j].ptr = val;
964 else if (init[j].size == sizeof (int))
965 *(int *) init[j].ptr = val;
966 else if (init[j].size == sizeof (long))
967 *(long *) init[j].ptr = val;
252b5132 968 /* This might be a long long or other special type. */
939ba9d0
NC
969 else if (init[j].size == sizeof (bfd_vma))
970 *(bfd_vma *) init[j].ptr = val;
971 else abort ();
252b5132
RH
972 if (j == IMAGEBASEOFF)
973 image_base_statement = rv;
974 }
4cd89863 975 /* Restore the pointer. */
bde18da4 976 pop_stat_ptr ();
3fc90ddb 977
d127ecce 978 if (pe.FileAlignment > pe.SectionAlignment)
252b5132
RH
979 {
980 einfo (_("%P: warning, file alignment > section alignment.\n"));
981 }
982}
983
984/* This is called after the linker script and the command line options
985 have been read. */
986
987static void
0c7a8e5a 988gld_${EMULATION_NAME}_after_parse (void)
252b5132 989{
8b747e1a
DK
990 /* PR ld/6744: Warn the user if they have used an ELF-only
991 option hoping it will work on PE. */
992 if (link_info.export_dynamic)
993 einfo (_("%P: warning: --export-dynamic is not supported for PE "
994 "targets, did you mean --export-all-symbols?\n"));
97b11f40 995
decfa41e
KT
996 set_entry_point ();
997
97b11f40 998 after_parse_default ();
252b5132
RH
999}
1000
aa3d9aba
NC
1001/* pe-dll.c directly accesses pe_data_import_dll,
1002 so it must be defined outside of #ifdef DLL_SUPPORT.
1003 Note - this variable is deliberately not initialised.
1004 This allows it to be treated as a common varaible, and only
1005 exist in one incarnation in a multiple target enabled linker. */
1006char * pe_data_import_dll;
72358f65 1007
2ef53d66 1008#ifdef DLL_SUPPORT
252b5132
RH
1009static struct bfd_link_hash_entry *pe_undef_found_sym;
1010
b34976b6 1011static bfd_boolean
0c7a8e5a 1012pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 1013{
decc3638 1014 int sl;
0c7a8e5a 1015 char *string = inf;
8a9eab9b 1016 const char *hs = h->root.string;
4cd89863 1017
0c7a8e5a 1018 sl = strlen (string);
252b5132 1019 if (h->type == bfd_link_hash_defined
8a9eab9b
KT
1020 && ((*hs == '@' && *string == '_'
1021 && strncmp (hs + 1, string + 1, sl - 1) == 0)
1022 || strncmp (hs, string, sl) == 0)
252b5132 1023 && h->root.string[sl] == '@')
decc3638
CW
1024 {
1025 pe_undef_found_sym = h;
b34976b6 1026 return FALSE;
decc3638 1027 }
b34976b6 1028 return TRUE;
252b5132
RH
1029}
1030
1031static void
0c7a8e5a 1032pe_fixup_stdcalls (void)
252b5132
RH
1033{
1034 static int gave_warning_message = 0;
1035 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1036
3fc90ddb 1037 if (pe_dll_extra_pe_debug)
c9e38879 1038 printf ("%s\n", __FUNCTION__);
3fc90ddb 1039
f6e332e6 1040 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 1041 if (undef->type == bfd_link_hash_undefined)
252b5132 1042 {
c9e38879
NC
1043 char* at = strchr (undef->root.string, '@');
1044 int lead_at = (*undef->root.string == '@');
8a9eab9b
KT
1045 if (lead_at)
1046 at = strchr (undef->root.string + 1, '@');
b34976b6 1047
8a9eab9b 1048 if (at || lead_at)
c9e38879
NC
1049 {
1050 /* The symbol is a stdcall symbol, so let's look for a
1051 cdecl symbol with the same name and resolve to that. */
8a9eab9b
KT
1052 char *cname = xstrdup (undef->root.string);
1053
1054 if (lead_at)
1055 *cname = '_';
c9e38879 1056 at = strchr (cname, '@');
8a9eab9b
KT
1057 if (at)
1058 *at = 0;
c9e38879
NC
1059 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
1060
1061 if (sym && sym->type == bfd_link_hash_defined)
1062 {
1063 undef->type = bfd_link_hash_defined;
1064 undef->u.def.value = sym->u.def.value;
1065 undef->u.def.section = sym->u.def.section;
4cd89863 1066
c9e38879
NC
1067 if (pe_enable_stdcall_fixup == -1)
1068 {
1069 einfo (_("Warning: resolving %s by linking to %s\n"),
1070 undef->root.string, cname);
1071 if (! gave_warning_message)
1072 {
1073 gave_warning_message = 1;
939ba9d0
NC
1074 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1075 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
1076 }
1077 }
1078 }
1079 }
1080 else
1081 {
1082 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 1083 symbols - which means scanning the whole symbol table. */
c9e38879
NC
1084 pe_undef_found_sym = 0;
1085 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
0c7a8e5a 1086 (char *) undef->root.string);
c9e38879
NC
1087 sym = pe_undef_found_sym;
1088 if (sym)
1089 {
1090 undef->type = bfd_link_hash_defined;
1091 undef->u.def.value = sym->u.def.value;
1092 undef->u.def.section = sym->u.def.section;
4cd89863 1093
c9e38879
NC
1094 if (pe_enable_stdcall_fixup == -1)
1095 {
1096 einfo (_("Warning: resolving %s by linking to %s\n"),
1097 undef->root.string, sym->root.string);
1098 if (! gave_warning_message)
1099 {
1100 gave_warning_message = 1;
939ba9d0
NC
1101 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
1102 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
1103 }
1104 }
1105 }
1106 }
252b5132 1107 }
252b5132 1108}
decc3638
CW
1109
1110static int
0c7a8e5a 1111make_import_fixup (arelent *rel, asection *s)
decc3638 1112{
fc0a2244 1113 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1114 char addend[4];
decc3638 1115
3fc90ddb 1116 if (pe_dll_extra_pe_debug)
c9e38879 1117 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1118 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1119
c99b8138 1120 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
c9e38879
NC
1121 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1122 s->owner, s, rel->address);
0d888aac 1123
c99b8138 1124 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
0d888aac 1125
decc3638
CW
1126 return 1;
1127}
1128
decc3638 1129static void
0c7a8e5a 1130pe_find_data_imports (void)
decc3638
CW
1131{
1132 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1133
4cd89863
NC
1134 if (link_info.pei386_auto_import == 0)
1135 return;
1136
f6e332e6 1137 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
decc3638
CW
1138 {
1139 if (undef->type == bfd_link_hash_undefined)
1af699f4
AM
1140 {
1141 /* C++ symbols are *long*. */
1142 char buf[4096];
c9e38879
NC
1143
1144 if (pe_dll_extra_pe_debug)
1145 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1146
1af699f4 1147 sprintf (buf, "__imp_%s", undef->root.string);
decc3638 1148
1af699f4 1149 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
c9e38879 1150
1af699f4
AM
1151 if (sym && sym->type == bfd_link_hash_defined)
1152 {
4cd89863
NC
1153 bfd *b = sym->u.def.section->owner;
1154 asymbol **symbols;
5c1d2f5f 1155 int nsyms, i;
4cd89863
NC
1156
1157 if (link_info.pei386_auto_import == -1)
8524166d
NC
1158 {
1159 static bfd_boolean warned = FALSE;
1160
1161 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1162 undef->root.string, buf);
1163
1164 /* PR linker/4844. */
1165 if (! warned)
1166 {
1167 warned = TRUE;
1168 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
44e36d8a 1169This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
8524166d
NC
1170 }
1171 }
4cd89863 1172
5c1d2f5f
AM
1173 if (!bfd_generic_link_read_symbols (b))
1174 {
1175 einfo (_("%B%F: could not read symbols: %E\n"), b);
1176 return;
1177 }
1178
1179 symbols = bfd_get_outsymbols (b);
1180 nsyms = bfd_get_symcount (b);
4cd89863
NC
1181
1182 for (i = 0; i < nsyms; i++)
1183 {
522f09cd
KT
1184 if (! CONST_STRNEQ (symbols[i]->name,
1185 U ("_head_")))
4cd89863
NC
1186 continue;
1187
1188 if (pe_dll_extra_pe_debug)
1189 printf ("->%s\n", symbols[i]->name);
1190
522f09cd
KT
1191 pe_data_import_dll = (char *) (symbols[i]->name
1192 + U_SIZE ("_head_") - 1);
4cd89863
NC
1193 break;
1194 }
1195
1196 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1197 make_import_fixup);
1198
1199 /* Let's differentiate it somehow from defined. */
1200 undef->type = bfd_link_hash_defweak;
1201 /* We replace original name with __imp_ prefixed, this
1202 1) may trash memory 2) leads to duplicate symbol generation.
1203 Still, IMHO it's better than having name poluted. */
1204 undef->root.string = sym->root.string;
1205 undef->u.def.value = sym->u.def.value;
1206 undef->u.def.section = sym->u.def.section;
1af699f4
AM
1207 }
1208 }
decc3638
CW
1209 }
1210}
252b5132 1211
b34976b6 1212static bfd_boolean
0c7a8e5a 1213pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1214{
3fc90ddb 1215 if (pe_dll_extra_pe_debug)
0c7a8e5a 1216 printf ("+%s\n", h->string);
c9e38879 1217
b34976b6 1218 return TRUE;
decc3638 1219}
4b83d615 1220#endif /* DLL_SUPPORT */
decc3638 1221
3efd345c
DK
1222static void
1223debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1224{
1225 int *found = (int *) obj;
1226 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1227 *found = 1;
1228}
decc3638 1229
252b5132 1230static void
0c7a8e5a 1231gld_${EMULATION_NAME}_after_open (void)
252b5132 1232{
4b83d615 1233#ifdef DLL_SUPPORT
3fc90ddb 1234 if (pe_dll_extra_pe_debug)
decc3638
CW
1235 {
1236 bfd *a;
1237 struct bfd_link_hash_entry *sym;
c9e38879 1238
decc3638
CW
1239 printf ("%s()\n", __FUNCTION__);
1240
f6e332e6 1241 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1242 printf ("-%s\n", sym->root.string);
0c7a8e5a 1243 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638
CW
1244
1245 for (a = link_info.input_bfds; a; a = a->link_next)
c9e38879 1246 printf ("*%s\n",a->filename);
decc3638 1247 }
4b83d615 1248#endif
3fc90ddb 1249
252b5132
RH
1250 /* Pass the wacky PE command line options into the output bfd.
1251 FIXME: This should be done via a function, rather than by
1252 including an internal BFD header. */
3fc90ddb 1253
f13a99db
AM
1254 if (coff_data (link_info.output_bfd) == NULL
1255 || coff_data (link_info.output_bfd)->pe == 0)
1256 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1257 link_info.output_bfd);
252b5132 1258
f13a99db
AM
1259 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1260 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1261 pe_data (link_info.output_bfd)->real_flags |= real_flags;
3efd345c
DK
1262
1263 /* At this point we must decide whether to use long section names
1264 in the output or not. If the user hasn't explicitly specified
1265 on the command line, we leave it to the default for the format
1266 (object files yes, image files no), except if there is debug
1267 information present; GDB relies on the long section names to
1268 find it, so enable it in that case. */
1269 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1270 {
1271 /* Iterate over all sections of all input BFDs, checking
1272 for any that begin 'debug_' and are long names. */
1273 LANG_FOR_EACH_INPUT_STATEMENT (is)
1274 {
1275 int found_debug = 0;
1276 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1277 if (found_debug)
1278 {
1279 pe_use_coff_long_section_names = 1;
1280 break;
1281 }
1282 }
1283 }
1284
88183869 1285 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1286
c6c37250 1287#ifdef DLL_SUPPORT
252b5132
RH
1288 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1289 pe_fixup_stdcalls ();
1290
f13a99db 1291 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1292
3fc90ddb 1293 pe_find_data_imports ();
decc3638 1294
8a9eab9b
KT
1295 /* As possibly new symbols are added by imports, we rerun
1296 stdcall/fastcall fixup here. */
1297 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1298 pe_fixup_stdcalls ();
1299
7148cc28
NC
1300#if defined (TARGET_IS_i386pe) \
1301 || defined (TARGET_IS_armpe) \
1302 || defined (TARGET_IS_arm_epoc_pe) \
1303 || defined (TARGET_IS_arm_wince_pe)
1049f94e 1304 if (!link_info.relocatable)
f13a99db 1305 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28
NC
1306#else
1307 if (link_info.shared)
f13a99db 1308 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1309 else
1310 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1311#endif
7148cc28 1312#endif /* DLL_SUPPORT */
252b5132 1313
7148cc28 1314#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1315 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1316 {
1317 /* The arm backend needs special fields in the output hash structure.
1318 These will only be created if the output format is an arm format,
1319 hence we do not support linking and changing output formats at the
1320 same time. Use a link followed by objcopy to change output formats. */
1321 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1322 return;
1323 }
252b5132
RH
1324 {
1325 /* Find a BFD that can hold the interworking stubs. */
1326 LANG_FOR_EACH_INPUT_STATEMENT (is)
1327 {
7148cc28 1328 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1329 break;
1330 }
1331 }
1332#endif
c6c37250 1333
486e80e2 1334 {
486e80e2
DD
1335 /* This next chunk of code tries to detect the case where you have
1336 two import libraries for the same DLL (specifically,
1337 symbolically linking libm.a and libc.a in cygwin to
1338 libcygwin.a). In those cases, it's possible for function
1339 thunks from the second implib to be used but without the
1340 head/tail objects, causing an improper import table. We detect
1341 those cases and rename the "other" import libraries to match
1342 the one the head/tail come from, so that the linker will sort
4cd89863 1343 things nicely and produce a valid import table. */
486e80e2
DD
1344
1345 LANG_FOR_EACH_INPUT_STATEMENT (is)
1346 {
1347 if (is->the_bfd->my_archive)
1348 {
1349 int idata2 = 0, reloc_count=0, is_imp = 0;
1350 asection *sec;
3fc90ddb 1351
6e45556a 1352 /* See if this is an import library thunk. */
486e80e2
DD
1353 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1354 {
1355 if (strcmp (sec->name, ".idata\$2") == 0)
1356 idata2 = 1;
0112cd26 1357 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1358 is_imp = 1;
1359 reloc_count += sec->reloc_count;
1360 }
3fc90ddb 1361
486e80e2
DD
1362 if (is_imp && !idata2 && reloc_count)
1363 {
6e45556a
NC
1364 /* It is, look for the reference to head and see if it's
1365 from our own library. */
486e80e2
DD
1366 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1367 {
1368 int i;
6e45556a 1369 long relsize;
102c86f8 1370 asymbol **symbols;
102c86f8
NC
1371 arelent **relocs;
1372 int nrelocs;
3fc90ddb 1373
102c86f8 1374 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1375 if (relsize < 1)
1376 break;
3fc90ddb 1377
5c1d2f5f 1378 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1379 {
5c1d2f5f
AM
1380 einfo (_("%B%F: could not read symbols: %E\n"),
1381 is->the_bfd);
6e45556a
NC
1382 return;
1383 }
5c1d2f5f 1384 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1385
d127ecce 1386 relocs = xmalloc ((size_t) relsize);
102c86f8 1387 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1388 relocs, symbols);
6e45556a
NC
1389 if (nrelocs < 0)
1390 {
1391 free (relocs);
44e36d8a 1392 einfo ("%X%P: unable to process relocs: %E\n");
6e45556a
NC
1393 return;
1394 }
3fc90ddb 1395
6e45556a 1396 for (i = 0; i < nrelocs; i++)
486e80e2 1397 {
fc0a2244 1398 struct bfd_symbol *s;
6e45556a 1399 struct bfd_link_hash_entry * blhe;
2a08daf3 1400 char *other_bfd_filename;
6e45556a 1401 char *n;
3fc90ddb 1402
486e80e2 1403 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1404
6e45556a
NC
1405 if (s->flags & BSF_LOCAL)
1406 continue;
3fc90ddb 1407
6e45556a
NC
1408 /* Thunk section with reloc to another bfd. */
1409 blhe = bfd_link_hash_lookup (link_info.hash,
1410 s->name,
b34976b6 1411 FALSE, FALSE, TRUE);
3fc90ddb 1412
6e45556a
NC
1413 if (blhe == NULL
1414 || blhe->type != bfd_link_hash_defined)
1415 continue;
3fc90ddb 1416
2a08daf3
DS
1417 other_bfd_filename
1418 = blhe->u.def.section->owner->my_archive
1419 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1420 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1421
2a08daf3
DS
1422 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1423 other_bfd_filename) == 0)
6e45556a 1424 continue;
3fc90ddb 1425
c034e3e0 1426 /* Rename this implib to match the other one. */
2a08daf3
DS
1427 n = xmalloc (strlen (other_bfd_filename) + 1);
1428 strcpy (n, other_bfd_filename);
1429 is->the_bfd->my_archive->filename = n;
486e80e2
DD
1430 }
1431
1432 free (relocs);
6e45556a
NC
1433 /* Note - we do not free the symbols,
1434 they are now cached in the BFD. */
486e80e2
DD
1435 }
1436 }
1437 }
1438 }
1439 }
1440
c6c37250 1441 {
f0c87f88 1442 int is_ms_arch = 0;
1069dd8d 1443 bfd *cur_arch = 0;
c6c37250 1444 lang_input_statement_type *is2;
44dbf363 1445 lang_input_statement_type *is3;
1069dd8d 1446
c6c37250
DD
1447 /* Careful - this is a shell script. Watch those dollar signs! */
1448 /* Microsoft import libraries have every member named the same,
1449 and not in the right order for us to link them correctly. We
1450 must detect these and rename the members so that they'll link
1451 correctly. There are three types of objects: the head, the
1452 thunks, and the sentinel(s). The head is easy; it's the one
1453 with idata2. We assume that the sentinels won't have relocs,
1454 and the thunks will. It's easier than checking the symbol
1069dd8d 1455 table for external references. */
c6c37250
DD
1456 LANG_FOR_EACH_INPUT_STATEMENT (is)
1457 {
1458 if (is->the_bfd->my_archive)
1459 {
44dbf363 1460 char *pnt;
c6c37250 1461 bfd *arch = is->the_bfd->my_archive;
44dbf363 1462
c6c37250
DD
1463 if (cur_arch != arch)
1464 {
1465 cur_arch = arch;
1466 is_ms_arch = 1;
44dbf363
NC
1467
1468 for (is3 = is;
1469 is3 && is3->the_bfd->my_archive == arch;
1470 is3 = (lang_input_statement_type *) is3->next)
1471 {
1af699f4 1472 /* A MS dynamic import library can also contain static
44dbf363
NC
1473 members, so look for the first element with a .dll
1474 extension, and use that for the remainder of the
1475 comparisons. */
1476 pnt = strrchr (is3->the_bfd->filename, '.');
07a68a80 1477 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
ff71f4f7 1478 break;
44dbf363
NC
1479 }
1480
1481 if (is3 == NULL)
1482 is_ms_arch = 0;
1483 else
c6c37250 1484 {
44dbf363
NC
1485 /* OK, found one. Now look to see if the remaining
1486 (dynamic import) members use the same name. */
1487 for (is2 = is;
1488 is2 && is2->the_bfd->my_archive == arch;
1489 is2 = (lang_input_statement_type *) is2->next)
1490 {
1491 /* Skip static members, ie anything with a .obj
1492 extension. */
1493 pnt = strrchr (is2->the_bfd->filename, '.');
1494 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1495 continue;
1496
1497 if (strcmp (is3->the_bfd->filename,
1498 is2->the_bfd->filename))
1499 {
1500 is_ms_arch = 0;
1501 break;
1502 }
1503 }
c6c37250
DD
1504 }
1505 }
1506
44dbf363
NC
1507 /* This fragment might have come from an .obj file in a Microsoft
1508 import, and not an actual import record. If this is the case,
1509 then leave the filename alone. */
1510 pnt = strrchr (is->the_bfd->filename, '.');
1511
1512 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
c6c37250 1513 {
1069dd8d 1514 int idata2 = 0, reloc_count=0;
c6c37250
DD
1515 asection *sec;
1516 char *new_name, seq;
1069dd8d 1517
c6c37250
DD
1518 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1519 {
1520 if (strcmp (sec->name, ".idata\$2") == 0)
1521 idata2 = 1;
1522 reloc_count += sec->reloc_count;
1523 }
1524
1525 if (idata2) /* .idata2 is the TOC */
1526 seq = 'a';
1527 else if (reloc_count > 0) /* thunks */
1528 seq = 'b';
1529 else /* sentinel */
1530 seq = 'c';
1531
e4e24acb 1532 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD
1533 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1534 is->the_bfd->filename = new_name;
1535
690a460e 1536 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1537 sprintf (new_name, "%s.%c", is->filename, seq);
1538 is->filename = new_name;
1539 }
1540 }
1541 }
1542 }
54727719
NC
1543
1544 {
1545 /* The following chunk of code tries to identify jump stubs in
1546 import libraries which are dead code and eliminates them
1547 from the final link. For each exported symbol <sym>, there
1548 is a object file in the import library with a .text section
d34c1c51 1549 and several .idata\$* sections. The .text section contains the
54727719 1550 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1551 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1552 for __imp_<sym> which is the address of the slot for <sym> in
1553 the import address table. When a symbol is imported explicitly
1554 using __declspec(dllimport) declaration, the compiler generates
1555 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1556 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1557 needed. The following code tries to identify jump stub sections
1558 in import libraries which are not referred to by anyone and
1559 marks them for exclusion from the final link. */
1560 LANG_FOR_EACH_INPUT_STATEMENT (is)
1561 {
1562 if (is->the_bfd->my_archive)
1563 {
1564 int is_imp = 0;
1565 asection *sec, *stub_sec = NULL;
1566
1567 /* See if this is an import library thunk. */
1568 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1569 {
1570 if (strncmp (sec->name, ".idata\$", 7) == 0)
1571 is_imp = 1;
1572 /* The section containing the jmp stub has code
1573 and has a reloc. */
1574 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1575 stub_sec = sec;
1576 }
92b93329 1577
54727719
NC
1578 if (is_imp && stub_sec)
1579 {
54727719 1580 asymbol **symbols;
5c1d2f5f 1581 long nsyms, src_count;
54727719
NC
1582 struct bfd_link_hash_entry * blhe;
1583
5c1d2f5f
AM
1584 if (!bfd_generic_link_read_symbols (is->the_bfd))
1585 {
1586 einfo (_("%B%F: could not read symbols: %E\n"),
1587 is->the_bfd);
1588 return;
1589 }
1590 symbols = bfd_get_outsymbols (is->the_bfd);
1591 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1592
5c1d2f5f 1593 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1594 {
1595 if (symbols[src_count]->section->id == stub_sec->id)
1596 {
1597 /* This symbol belongs to the section containing
1598 the stub. */
1599 blhe = bfd_link_hash_lookup (link_info.hash,
1600 symbols[src_count]->name,
1601 FALSE, FALSE, TRUE);
1602 /* If the symbol in the stub section has no other
1603 undefined references, exclude the stub section
1604 from the final link. */
1605 if (blhe && (blhe->type == bfd_link_hash_defined)
1606 && (blhe->u.undef.next == NULL))
1607 stub_sec->flags |= SEC_EXCLUDE;
1608 }
1609 }
54727719
NC
1610 }
1611 }
1612 }
1613 }
252b5132
RH
1614}
1615\f
3fc90ddb 1616static void
0c7a8e5a 1617gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1618{
1619#ifdef TARGET_IS_ppcpe
c9e38879 1620 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1621 {
1622 LANG_FOR_EACH_INPUT_STATEMENT (is)
1623 {
1624 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1625 {
1626 /* xgettext:c-format */
1627 einfo (_("Errors encountered processing file %s\n"), is->filename);
1628 }
1629 }
1630 }
1631
c9e38879 1632 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1633 ppc_allocate_toc_section (&link_info);
1634#endif /* TARGET_IS_ppcpe */
1635
7148cc28 1636#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1637 /* FIXME: we should be able to set the size of the interworking stub
1638 section.
1639
1640 Here we rummage through the found bfds to collect glue
1641 information. FIXME: should this be based on a command line
c9e38879 1642 option? krk@cygnus.com. */
252b5132
RH
1643 {
1644 LANG_FOR_EACH_INPUT_STATEMENT (is)
1645 {
7148cc28 1646 if (! bfd_arm_process_before_allocation
252b5132
RH
1647 (is->the_bfd, & link_info, support_old_code))
1648 {
1649 /* xgettext:c-format */
44e36d8a 1650 einfo (_("Errors encountered processing file %s for interworking\n"),
252b5132
RH
1651 is->filename);
1652 }
1653 }
1654 }
1655
c9e38879 1656 /* We have seen it all. Allocate it, and carry on. */
7148cc28
NC
1657 bfd_arm_allocate_interworking_sections (& link_info);
1658#endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
8423293d 1659
1e035701 1660 before_allocation_default ();
252b5132
RH
1661}
1662\f
690a460e 1663#ifdef DLL_SUPPORT
252b5132 1664/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1665 check here for .DEF files and pull them in automatically. */
690a460e 1666
252b5132 1667static int
0c7a8e5a 1668saw_option (char *option)
252b5132
RH
1669{
1670 int i;
c9e38879
NC
1671
1672 for (i = 0; init[i].ptr; i++)
522f09cd 1673 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
252b5132
RH
1674 return init[i].inited;
1675 return 0;
1676}
690a460e 1677#endif /* DLL_SUPPORT */
252b5132 1678
b34976b6 1679static bfd_boolean
0c7a8e5a 1680gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1681{
c6c37250 1682#ifdef DLL_SUPPORT
252b5132
RH
1683 const char *ext = entry->filename + strlen (entry->filename) - 4;
1684
1685 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
252b5132 1686 {
f2d3750d 1687 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1688
1689 if (pe_def_file)
252b5132 1690 {
c9e38879
NC
1691 int i, buflen=0, len;
1692 char *buf;
252b5132 1693
c9e38879 1694 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1695 {
939ba9d0 1696 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1697 if (buflen < len + 2)
1698 buflen = len + 2;
252b5132 1699 }
252b5132 1700
d127ecce 1701 buf = xmalloc (buflen);
252b5132 1702
c9e38879
NC
1703 for (i = 0; i < pe_def_file->num_exports; i++)
1704 {
1705 struct bfd_link_hash_entry *h;
1706
522f09cd
KT
1707 sprintf (buf, "%s%s", U (""),
1708 pe_def_file->exports[i].internal_name);
c9e38879 1709
b34976b6 1710 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879
NC
1711 if (h == (struct bfd_link_hash_entry *) NULL)
1712 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1713 if (h->type == bfd_link_hash_new)
1714 {
1715 h->type = bfd_link_hash_undefined;
1716 h->u.undef.abfd = NULL;
1717 bfd_link_add_undef (link_info.hash, h);
1718 }
1719 }
1720 free (buf);
1721
1722 /* def_file_print (stdout, pe_def_file); */
1723 if (pe_def_file->is_dll == 1)
1724 link_info.shared = 1;
1725
1726 if (pe_def_file->base_address != (bfd_vma)(-1))
1727 {
f13a99db
AM
1728 pe.ImageBase
1729 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1730 = init[IMAGEBASEOFF].value
1731 = pe_def_file->base_address;
c9e38879
NC
1732 init[IMAGEBASEOFF].inited = 1;
1733 if (image_base_statement)
f13a99db
AM
1734 image_base_statement->exp = exp_assop ('=', "__image_base__",
1735 exp_intop (pe.ImageBase));
c9e38879 1736 }
252b5132 1737
c9e38879
NC
1738 if (pe_def_file->stack_reserve != -1
1739 && ! saw_option ("__size_of_stack_reserve__"))
1740 {
1741 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1742 if (pe_def_file->stack_commit != -1)
1743 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1744 }
1745 if (pe_def_file->heap_reserve != -1
1746 && ! saw_option ("__size_of_heap_reserve__"))
1747 {
1748 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1749 if (pe_def_file->heap_commit != -1)
1750 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1751 }
b34976b6 1752 return TRUE;
c9e38879 1753 }
252b5132 1754 }
252b5132 1755#endif
b34976b6 1756 return FALSE;
252b5132
RH
1757}
1758
b34976b6 1759static bfd_boolean
0c7a8e5a 1760gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1761{
c6c37250 1762#ifdef DLL_SUPPORT
252b5132 1763#ifdef TARGET_IS_i386pe
c6c37250 1764 pe_dll_id_target ("pei-i386");
344a211f
NC
1765#endif
1766#ifdef TARGET_IS_shpe
1767 pe_dll_id_target ("pei-shl");
1768#endif
1769#ifdef TARGET_IS_mipspe
1770 pe_dll_id_target ("pei-mips");
1771#endif
1772#ifdef TARGET_IS_armpe
1773 pe_dll_id_target ("pei-arm-little");
7148cc28
NC
1774#endif
1775#ifdef TARGET_IS_arm_epoc_pe
1776 pe_dll_id_target ("epoc-pei-arm-little");
1777#endif
1778#ifdef TARGET_IS_arm_wince_pe
1779 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 1780#endif
ff2bdb9c
CF
1781 if (pe_bfd_is_dll (entry->the_bfd))
1782 return pe_implied_import_dll (entry->filename);
252b5132 1783#endif
b34976b6 1784 return FALSE;
252b5132
RH
1785}
1786
1787static void
0c7a8e5a 1788gld_${EMULATION_NAME}_finish (void)
252b5132 1789{
7148cc28 1790#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
1791 struct bfd_link_hash_entry * h;
1792
1793 if (thumb_entry_symbol != NULL)
1794 {
b34976b6
AM
1795 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1796 FALSE, FALSE, TRUE);
3fc90ddb 1797
6f798e5c
NC
1798 if (h != (struct bfd_link_hash_entry *) NULL
1799 && (h->type == bfd_link_hash_defined
1800 || h->type == bfd_link_hash_defweak)
1801 && h->u.def.section->output_section != NULL)
1802 {
1803 static char buffer[32];
1804 bfd_vma val;
3fc90ddb 1805
6f798e5c
NC
1806 /* Special procesing is required for a Thumb entry symbol. The
1807 bottom bit of its address must be set. */
1808 val = (h->u.def.value
f13a99db 1809 + bfd_get_section_vma (link_info.output_bfd,
6f798e5c
NC
1810 h->u.def.section->output_section)
1811 + h->u.def.section->output_offset);
3fc90ddb 1812
6f798e5c 1813 val |= 1;
3fc90ddb 1814
6f798e5c
NC
1815 /* Now convert this value into a string and store it in entry_symbol
1816 where the lang_finish() function will pick it up. */
1817 buffer[0] = '0';
1818 buffer[1] = 'x';
3fc90ddb 1819
6f798e5c 1820 sprintf_vma (buffer + 2, val);
3fc90ddb 1821
e3e942e9 1822 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1823 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
1824 thumb_entry_symbol, entry_symbol.name);
1825 entry_symbol.name = buffer;
6f798e5c
NC
1826 }
1827 else
c58dea77 1828 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 1829 }
7148cc28 1830#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 1831
1e035701
AM
1832 finish_default ();
1833
c6c37250 1834#ifdef DLL_SUPPORT
2b817be1
NC
1835 if (link_info.shared
1836#if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
d127ecce 1837 || (!link_info.relocatable && pe_def_file->num_exports != 0)
2b817be1
NC
1838#endif
1839 )
252b5132 1840 {
f13a99db 1841 pe_dll_fill_sections (link_info.output_bfd, &link_info);
252b5132 1842 if (pe_implib_filename)
e1c37eb5 1843 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
252b5132 1844 }
344a211f 1845#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
690a460e 1846 /* ARM doesn't need relocs. */
344a211f
NC
1847 else
1848 {
f13a99db 1849 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
1850 }
1851#endif
3fc90ddb 1852
252b5132
RH
1853 if (pe_out_def_filename)
1854 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1855#endif /* DLL_SUPPORT */
decc3638 1856
c9e38879 1857 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 1858 {
f13a99db 1859 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 1860
decc3638
CW
1861 if (asec)
1862 {
1af699f4
AM
1863 asec->flags &= ~SEC_CODE;
1864 asec->flags |= SEC_DATA;
decc3638
CW
1865 }
1866 }
252b5132
RH
1867}
1868
1869\f
1870/* Place an orphan section.
1871
1872 We use this to put sections in a reasonable place in the file, and
1873 to ensure that they are aligned as required.
1874
d34c1c51 1875 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
1876 goes into the output section .foo. All grouped sections are sorted
1877 by name.
1878
1879 Grouped sections for the default sections are handled by the
1880 default linker script using wildcards, and are sorted by
1881 sort_sections. */
1882
c2edb4b8 1883static lang_output_section_statement_type *
8a99a385
AM
1884gld_${EMULATION_NAME}_place_orphan (asection *s,
1885 const char *secname,
1886 int constraint)
252b5132 1887{
bcacc0f5 1888 const char *orig_secname = secname;
f0c87f88 1889 char *dollar = NULL;
aea4bd9d 1890 lang_output_section_statement_type *os;
5ba47421 1891 lang_statement_list_type add_child;
b5f14a6d 1892 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 1893 lang_statement_union_type **pl;
252b5132 1894
252b5132 1895 /* Look through the script to see where to place this section. */
afd7a018 1896 if (!link_info.relocatable
d34c1c51 1897 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 1898 {
bcacc0f5 1899 size_t len = dollar - secname;
afd7a018 1900 char *newname = xmalloc (len + 1);
bcacc0f5 1901 memcpy (newname, secname, len);
afd7a018
AM
1902 newname[len] = '\0';
1903 secname = newname;
6eec49fc 1904 }
252b5132 1905
5ba47421
AM
1906 lang_list_init (&add_child);
1907
d127ecce
AM
1908 os = NULL;
1909 if (constraint == 0)
1910 for (os = lang_output_section_find (secname);
1911 os != NULL;
1912 os = next_matching_output_section_statement (os, 0))
1913 {
1914 /* If we don't match an existing output section, tell
1915 lang_insert_orphan to create a new output section. */
1916 constraint = SPECIAL;
1917
1918 if (os->bfd_section != NULL
1919 && (os->bfd_section->flags == 0
1920 || ((s->flags ^ os->bfd_section->flags)
1921 & (SEC_LOAD | SEC_ALLOC)) == 0))
1922 {
1923 /* We already have an output section statement with this
1924 name, and its bfd section has compatible flags.
1925 If the section already exists but does not have any flags set,
1926 then it has been created by the linker, probably as a result of
1927 a --section-start command line switch. */
1928 lang_add_section (&add_child, s, os);
1929 break;
1930 }
b5f14a6d
DD
1931
1932 /* Save unused output sections in case we can match them
1933 against orphans later. */
1934 if (os->bfd_section == NULL)
1935 match_by_name = os;
d127ecce
AM
1936 }
1937
b5f14a6d
DD
1938 /* If we didn't match an active output section, see if we matched an
1939 unused one and use that. */
1940 if (os == NULL && match_by_name)
1941 {
1942 lang_add_section (&match_by_name->children, s, match_by_name);
1943 return match_by_name;
1944 }
1945
d127ecce 1946 if (os == NULL)
252b5132 1947 {
afd7a018
AM
1948 static struct orphan_save hold[] =
1949 {
1950 { ".text",
1951 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1952 0, 0, 0, 0 },
1953 { ".rdata",
1954 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1955 0, 0, 0, 0 },
1956 { ".data",
1957 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1958 0, 0, 0, 0 },
1959 { ".bss",
1960 SEC_ALLOC,
1961 0, 0, 0, 0 }
1962 };
1963 enum orphan_save_index
1964 {
1965 orphan_text = 0,
1966 orphan_rodata,
1967 orphan_data,
1968 orphan_bss
1969 };
1970 static int orphan_init_done = 0;
6a345e87 1971 struct orphan_save *place;
afd7a018 1972 lang_output_section_statement_type *after;
252b5132 1973 etree_type *address;
afd7a018
AM
1974
1975 if (!orphan_init_done)
1976 {
1977 struct orphan_save *ho;
1978 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1979 if (ho->name != NULL)
1980 {
1981 ho->os = lang_output_section_find (ho->name);
1982 if (ho->os != NULL && ho->os->flags == 0)
1983 ho->os->flags = ho->flags;
1984 }
1985 orphan_init_done = 1;
1986 }
252b5132
RH
1987
1988 /* Try to put the new output section in a reasonable place based
1989 on the section name and section flags. */
aea4bd9d 1990
252b5132 1991 place = NULL;
5ba47421
AM
1992 if ((s->flags & SEC_ALLOC) == 0)
1993 ;
afd7a018
AM
1994 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1995 place = &hold[orphan_bss];
1996 else if ((s->flags & SEC_READONLY) == 0)
1997 place = &hold[orphan_data];
1998 else if ((s->flags & SEC_CODE) == 0)
1999 place = &hold[orphan_rodata];
1af699f4 2000 else
afd7a018 2001 place = &hold[orphan_text];
1af699f4 2002
afd7a018 2003 after = NULL;
1af699f4
AM
2004 if (place != NULL)
2005 {
afd7a018
AM
2006 if (place->os == NULL)
2007 place->os = lang_output_section_find (place->name);
2008 after = place->os;
2009 if (after == NULL)
390fbbf1 2010 after = lang_output_section_find_by_flags (s, &place->os, NULL);
afd7a018
AM
2011 if (after == NULL)
2012 /* *ABS* is always the first output section statement. */
2013 after = (&lang_output_section_statement.head
2014 ->output_section_statement);
252b5132
RH
2015 }
2016
afd7a018
AM
2017 /* All sections in an executable must be aligned to a page boundary. */
2018 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
2019 os = lang_insert_orphan (s, secname, constraint, after, place, address,
2020 &add_child);
252b5132
RH
2021 }
2022
011aa75f
AM
2023 /* If the section name has a '\$', sort it with the other '\$'
2024 sections. */
2025 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
2026 {
2027 lang_input_section_type *ls;
2028 const char *lname;
252b5132 2029
011aa75f
AM
2030 if ((*pl)->header.type != lang_input_section_enum)
2031 continue;
252b5132 2032
011aa75f 2033 ls = &(*pl)->input_section;
252b5132 2034
011aa75f
AM
2035 lname = bfd_get_section_name (ls->section->owner, ls->section);
2036 if (strchr (lname, '\$') != NULL
2037 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
2038 break;
2039 }
5ba47421 2040
011aa75f
AM
2041 if (add_child.head != NULL)
2042 {
2043 *add_child.tail = *pl;
2044 *pl = add_child.head;
2045 }
252b5132 2046
c2edb4b8 2047 return os;
252b5132
RH
2048}
2049
b34976b6 2050static bfd_boolean
0c7a8e5a 2051gld_${EMULATION_NAME}_open_dynamic_archive
d127ecce
AM
2052 (const char *arch ATTRIBUTE_UNUSED,
2053 search_dirs_type *search,
0c7a8e5a 2054 lang_input_statement_type *entry)
690a460e 2055{
45e948fe
NC
2056 static const struct
2057 {
2058 const char * format;
2059 bfd_boolean use_prefix;
2060 }
2061 libname_fmt [] =
2062 {
2063 /* Preferred explicit import library for dll's. */
2064 { "lib%s.dll.a", FALSE },
2065 /* Alternate explicit import library for dll's. */
2066 { "%s.dll.a", FALSE },
2067 /* "libfoo.a" could be either an import lib or a static lib.
2068 For backwards compatibility, libfoo.a needs to precede
2069 libfoo.dll and foo.dll in the search. */
2070 { "lib%s.a", FALSE },
92b93329 2071 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe
NC
2072 { "%s.lib", FALSE },
2073#ifdef DLL_SUPPORT
2074 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
2075 { "%s%s.dll", TRUE },
2076#endif
2077 /* Try "libfoo.dll" (default preferred dll name). */
2078 { "lib%s.dll", FALSE },
2079 /* Finally try 'native' dll name "foo.dll". */
2080 { "%s.dll", FALSE },
2081 /* Note: If adding more formats to this table, make sure to check to
2082 see if their length is longer than libname_fmt[0].format, and if
2083 so, update the call to xmalloc() below. */
2084 { NULL, FALSE }
2085 };
b1d9458a 2086 static unsigned int format_max_len = 0;
690a460e 2087 const char * filename;
45e948fe
NC
2088 char * full_string;
2089 char * base_string;
2090 unsigned int i;
2091
690a460e
NC
2092
2093 if (! entry->is_archive)
b34976b6 2094 return FALSE;
690a460e
NC
2095
2096 filename = entry->filename;
2097
b1d9458a
NC
2098 if (format_max_len == 0)
2099 /* We need to allow space in the memory that we are going to allocate
2100 for the characters in the format string. Since the format array is
2101 static we only need to calculate this information once. In theory
2102 this value could also be computed statically, but this introduces
2103 the possibility for a discrepancy and hence a possible memory
2104 corruption. The lengths we compute here will be too long because
2105 they will include any formating characters (%s) in the strings, but
2106 this will not matter. */
2107 for (i = 0; libname_fmt[i].format; i++)
2108 if (format_max_len < strlen (libname_fmt[i].format))
2109 format_max_len = strlen (libname_fmt[i].format);
2110
45e948fe
NC
2111 full_string = xmalloc (strlen (search->name)
2112 + strlen (filename)
b1d9458a 2113 + format_max_len
b9a69188 2114#ifdef DLL_SUPPORT
45e948fe
NC
2115 + (pe_dll_search_prefix
2116 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 2117#endif
b1d9458a
NC
2118 /* Allow for the terminating NUL and for the path
2119 separator character that is inserted between
2120 search->name and the start of the format string. */
2121 + 2);
690a460e 2122
45e948fe
NC
2123 sprintf (full_string, "%s/", search->name);
2124 base_string = full_string + strlen (full_string);
690a460e 2125
45e948fe 2126 for (i = 0; libname_fmt[i].format; i++)
690a460e 2127 {
92b93329 2128#ifdef DLL_SUPPORT
45e948fe 2129 if (libname_fmt[i].use_prefix)
1af699f4 2130 {
45e948fe
NC
2131 if (!pe_dll_search_prefix)
2132 continue;
2133 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2134 }
45e948fe
NC
2135 else
2136#endif
2137 sprintf (base_string, libname_fmt[i].format, filename);
2138
2139 if (ldfile_try_open_bfd (full_string, entry))
2140 break;
2141 }
2142
2143 if (!libname_fmt[i].format)
2144 {
2145 free (full_string);
2146 return FALSE;
690a460e 2147 }
602e90d3 2148
45e948fe 2149 entry->filename = full_string;
690a460e 2150
b34976b6 2151 return TRUE;
690a460e
NC
2152}
2153
344a211f 2154static int
0c7a8e5a
AM
2155gld_${EMULATION_NAME}_find_potential_libraries
2156 (char *name, lang_input_statement_type *entry)
344a211f
NC
2157{
2158 return ldfile_open_file_search (name, entry, "", ".lib");
2159}
252b5132
RH
2160\f
2161static char *
0c7a8e5a 2162gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2163EOF
2164# Scripts compiled in.
2165# sed commands to quote an ld script as a C string.
597e2591 2166sc="-f stringify.sed"
252b5132 2167
92b93329 2168fragment <<EOF
3fc90ddb 2169{
252b5132
RH
2170 *isfile = 0;
2171
1049f94e 2172 if (link_info.relocatable && config.build_constructors)
252b5132
RH
2173 return
2174EOF
1af699f4
AM
2175sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2176echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2177sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2178echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2179sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2180echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2181sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0
NC
2182if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2183echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
2184sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2185fi
1af699f4
AM
2186echo ' ; else return' >> e${EMULATION_NAME}.c
2187sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2188echo '; }' >> e${EMULATION_NAME}.c
252b5132 2189
92b93329 2190fragment <<EOF
252b5132
RH
2191
2192
3fc90ddb 2193struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2194{
2195 gld_${EMULATION_NAME}_before_parse,
2196 syslib_default,
2197 hll_default,
2198 gld_${EMULATION_NAME}_after_parse,
2199 gld_${EMULATION_NAME}_after_open,
2200 after_allocation_default,
2201 set_output_arch_default,
2202 ldemul_default_target,
2203 gld_${EMULATION_NAME}_before_allocation,
2204 gld_${EMULATION_NAME}_get_script,
2205 "${EMULATION_NAME}",
2206 "${OUTPUT_FORMAT}",
4cd89863
NC
2207 gld_${EMULATION_NAME}_finish,
2208 NULL, /* Create output section statements. */
690a460e 2209 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2210 gld_${EMULATION_NAME}_place_orphan,
2211 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2212 NULL, /* parse_args */
2213 gld${EMULATION_NAME}_add_options,
2214 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2215 gld_${EMULATION_NAME}_unrecognized_file,
2216 gld_${EMULATION_NAME}_list_options,
344a211f 2217 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2218 gld_${EMULATION_NAME}_find_potential_libraries,
4cd89863 2219 NULL /* new_vers_pattern. */
252b5132
RH
2220};
2221EOF
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