ld/ChangeLog
[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.
e60cc415 3test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
3fc90ddb 4if [ -z "$MACHINE" ]; then
86af25fe
L
5 OUTPUT_ARCH=${ARCH}
6else
7 OUTPUT_ARCH=${ARCH}:${MACHINE}
8fi
361d94e7
ILT
9rm -f e${EMULATION_NAME}.c
10(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
92b93329 11fragment <<EOF
f96b4a7b 12/* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
bde18da4 13 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
252b5132 14
f96b4a7b
NC
15 This file is part of the GNU Binutils.
16
2fa9fc65
NC
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
f96b4a7b 19 the Free Software Foundation; either version 3 of the License, or
2fa9fc65 20 (at your option) any later version.
252b5132 21
2fa9fc65
NC
22 This program is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 GNU General Public License for more details.
252b5132 26
2fa9fc65
NC
27 You should have received a copy of the GNU General Public License
28 along with this program; if not, write to the Free Software
f96b4a7b
NC
29 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30 MA 02110-1301, USA. */
31
252b5132
RH
32
33/* For WINDOWS_NT */
34/* The original file generated returned different default scripts depending
35 on whether certain switches were set, but these switches pertain to the
36 Linux system and that particular version of coff. In the NT case, we
37 only determine if the subsystem is console or windows in order to select
3fc90ddb
AJ
38 the correct entry point by default. */
39
db09f25b
AM
40#define TARGET_IS_${EMULATION_NAME}
41
42/* Do this before including bfd.h, so we prototype the right functions. */
db09f25b 43
7148cc28
NC
44#if defined(TARGET_IS_armpe) \
45 || defined(TARGET_IS_arm_epoc_pe) \
46 || defined(TARGET_IS_arm_wince_pe)
47#define bfd_arm_allocate_interworking_sections \
48 bfd_${EMULATION_NAME}_allocate_interworking_sections
49#define bfd_arm_get_bfd_for_interworking \
50 bfd_${EMULATION_NAME}_get_bfd_for_interworking
51#define bfd_arm_process_before_allocation \
52 bfd_${EMULATION_NAME}_process_before_allocation
53#endif
92b93329 54
252b5132 55#include "sysdep.h"
3db64b00 56#include "bfd.h"
252b5132
RH
57#include "bfdlink.h"
58#include "getopt.h"
59#include "libiberty.h"
60#include "ld.h"
61#include "ldmain.h"
252b5132
RH
62#include "ldexp.h"
63#include "ldlang.h"
b71e2778 64#include "ldfile.h"
252b5132 65#include "ldemul.h"
df2a7313 66#include <ldgram.h>
252b5132
RH
67#include "ldlex.h"
68#include "ldmisc.h"
69#include "ldctor.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
71add731
ILT
77/* FIXME: This is a BFD internal header file, and we should not be
78 using it here. */
252b5132 79#include "../bfd/libcoff.h"
71add731 80
252b5132 81#include "deffile.h"
1069dd8d 82#include "pe-dll.h"
29e1a6e4 83#include "safe-ctype.h"
14fe918e 84
2be9b2c7
ILT
85/* Permit the emulation parameters to override the default section
86 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
87 it seem that include/coff/internal.h should not define
88 PE_DEF_SECTION_ALIGNMENT. */
89#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
90#undef PE_DEF_SECTION_ALIGNMENT
91#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
92#endif
93
7148cc28
NC
94#if defined(TARGET_IS_i386pe) \
95 || defined(TARGET_IS_shpe) \
96 || defined(TARGET_IS_mipspe) \
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
344a211f 103#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
c6c37250 104#define PE_DEF_SUBSYSTEM 3
344a211f
NC
105#else
106#undef NT_EXE_IMAGE_BASE
107#undef PE_DEF_SECTION_ALIGNMENT
108#undef PE_DEF_FILE_ALIGNMENT
109#define NT_EXE_IMAGE_BASE 0x00010000
7148cc28
NC
110
111#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
344a211f
NC
112#define PE_DEF_SECTION_ALIGNMENT 0x00001000
113#define PE_DEF_SUBSYSTEM 9
114#else
115#define PE_DEF_SECTION_ALIGNMENT 0x00000400
116#define PE_DEF_SUBSYSTEM 2
117#endif
118#define PE_DEF_FILE_ALIGNMENT 0x00000200
119#endif
c6c37250 120
00479ba8 121#define U(S) ${INITIAL_SYMBOL_CHAR} S
252b5132
RH
122
123static struct internal_extra_pe_aouthdr pe;
124static int dll;
26d2d8a2 125static flagword real_flags = 0;
252b5132 126static int support_old_code = 0;
6f798e5c 127static char * thumb_entry_symbol = NULL;
252b5132 128static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 129static unsigned short pe_dll_characteristics = 0;
252b5132 130
f0c87f88 131#ifdef DLL_SUPPORT
4cd89863 132static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
690a460e
NC
133static char *pe_out_def_filename = NULL;
134static char *pe_implib_filename = NULL;
5f577f7d 135static int pe_enable_auto_image_base = 0;
627427de 136static char *pe_dll_search_prefix = NULL;
f0c87f88 137#endif
252b5132
RH
138
139extern const char *output_filename;
140
141static void
0c7a8e5a 142gld_${EMULATION_NAME}_before_parse (void)
252b5132 143{
5e2f1575 144 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 145 output_filename = "${EXECUTABLE_NAME:-a.exe}";
c6c37250 146#ifdef DLL_SUPPORT
b34976b6 147 config.dynamic_link = TRUE;
252b5132 148 config.has_shared = 1;
5b9c6027
DK
149EOF
150
151# Cygwin no longer wants these noisy warnings. Other PE
152# targets might like to consider adding themselves here.
153case ${target} in
154 *-*-cygwin*)
155 default_auto_import=1
156 ;;
157 *)
158 default_auto_import=-1
159 ;;
160esac
161
162fragment <<EOF
163 link_info.pei386_auto_import = ${default_auto_import};
6cb442d3 164 link_info.pei386_runtime_pseudo_reloc = 1; /* Use by default version 1. */
344a211f
NC
165
166#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
7148cc28 167#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe
a359509e 168 lang_default_entry ("WinMainCRTStartup");
344a211f 169#else
a359509e 170 lang_default_entry ("_WinMainCRTStartup");
344a211f 171#endif
e60cc415
DS
172#else
173 lang_default_entry ("${ENTRY}");
344a211f 174#endif
252b5132
RH
175#endif
176}
177\f
178/* PE format extra command line options. */
179
4cd89863 180/* Used for setting flags in the PE header. */
252b5132
RH
181#define OPTION_BASE_FILE (300 + 1)
182#define OPTION_DLL (OPTION_BASE_FILE + 1)
183#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
184#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
185#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
186#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
187#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
188#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
189#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
190#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
191#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
0c7a8e5a
AM
192#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
193#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
194#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
195#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
196#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
197#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
198#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
199#define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
200#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
201#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
202#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
203#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
6f798e5c 204#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
870df5dc
NC
205#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
206#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
5f577f7d
DD
207#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
208#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
1122a5fc
NC
209#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
210#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
decc3638
CW
211#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
212#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
213#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
70b0be79 214#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
2fa9fc65
NC
215#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
216 (OPTION_EXCLUDE_LIBS + 1)
217#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
218 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
26d2d8a2
BF
219#define OPTION_LARGE_ADDRESS_AWARE \
220 (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
6cb442d3
KT
221#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
222 (OPTION_LARGE_ADDRESS_AWARE + 1)
223#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
224 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
e1c37eb5
DK
225#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
226 (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
ce11ba6c 227#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
88183869
DK
228 (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
229#define OPTION_ENABLE_LONG_SECTION_NAMES \
230 (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
231#define OPTION_DISABLE_LONG_SECTION_NAMES \
232 (OPTION_ENABLE_LONG_SECTION_NAMES + 1)
2f563b51
DK
233/* DLLCharacteristics flags */
234#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
235#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
236#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
237#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
238#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
239#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
240#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
241#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
252b5132 242
3bcf5557 243static void
0c7a8e5a
AM
244gld${EMULATION_NAME}_add_options
245 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
246 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
247 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557
AM
248{
249 static const struct option xtra_long[] = {
250 /* PE options */
251 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
252 {"dll", no_argument, NULL, OPTION_DLL},
253 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
254 {"heap", required_argument, NULL, OPTION_HEAP},
255 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
256 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
257 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
258 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
259 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
260 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
261 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
262 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
263 {"stack", required_argument, NULL, OPTION_STACK},
264 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
265 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
266 {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
ce11ba6c
KT
267 {"use-nul-prefixed-import-tables", no_argument, NULL,
268 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
c6c37250 269#ifdef DLL_SUPPORT
3bcf5557
AM
270 /* getopt allows abbreviations, so we do this to stop it from treating -o
271 as an abbreviation for this option */
272 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
273 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
274 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
275 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
276 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 277 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
3bcf5557
AM
278 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
279 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
280 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
281 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
282 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
283 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
284 /* getopt() allows abbreviations, so we do this to stop it from
285 treating -c as an abbreviation for these --compat-implib. */
286 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
287 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
288 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
289 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
290 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
291 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
292 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
293 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
294 {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
295 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
296 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3
KT
297 {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
298 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
252b5132 299#endif
26d2d8a2 300 {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
88183869
DK
301 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
302 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK
303 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
304 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
305 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
306 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
307 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
308 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
309 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
310 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
3bcf5557
AM
311 {NULL, no_argument, NULL, 0}
312 };
252b5132 313
3bcf5557
AM
314 *longopts = (struct option *)
315 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
316 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
317}
252b5132
RH
318
319/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
4cd89863 320 parameters which may be input from the command line. */
252b5132
RH
321
322typedef struct
323{
324 void *ptr;
325 int size;
326 int value;
327 char *symbol;
328 int inited;
329} definfo;
330
331#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
332
333static definfo init[] =
334{
335 /* imagebase must be first */
336#define IMAGEBASEOFF 0
337 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
338#define DLLOFF 1
1069dd8d 339 {&dll, sizeof(dll), 0, "__dll__", 0},
dffc6a64
KT
340#define MSIMAGEBASEOFF 2
341 D(ImageBase, U ("__ImageBase"), NT_EXE_IMAGE_BASE),
252b5132
RH
342 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
343 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
344 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
345 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
346 D(MajorImageVersion,"__major_image_version__", 1),
347 D(MinorImageVersion,"__minor_image_version__", 0),
7148cc28 348#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
53baae48 349 D(MajorSubsystemVersion,"__major_subsystem_version__", 3),
344a211f 350#else
252b5132 351 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
344a211f 352#endif
252b5132 353 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
2be9b2c7 354 D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
3763134d 355 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
252b5132
RH
356 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
357 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
358 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
359 D(LoaderFlags,"__loader_flags__", 0x0),
2f563b51 360 D(DllCharacteristics, "__dll_characteristics__", 0x0),
252b5132
RH
361 { NULL, 0, 0, NULL, 0 }
362};
363
4cd89863 364
252b5132 365static void
0c7a8e5a 366gld_${EMULATION_NAME}_list_options (FILE *file)
252b5132
RH
367{
368 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
369 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
370 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
371 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
372 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
373 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
374 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
375 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
376 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
377 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
378 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
379 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
380 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
381 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
382 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
6f798e5c 383 fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n"));
c6c37250 384#ifdef DLL_SUPPORT
252b5132
RH
385 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
386 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
387 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
388 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
b34976b6 389 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK
390 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
391 fprintf (file, _(" Exclude objects, archive members from auto\n"));
392 fprintf (file, _(" export, place into import library instead.\n"));
252b5132
RH
393 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
394 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
395 fprintf (file, _(" --out-implib <file> Generate import library\n"));
396 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
0752a404 397 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
e3c8793a
NC
398 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
399 create __imp_<SYMBOL> as well.\n"));
400 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
401 unless user specifies one\n"));
5f577f7d 402 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
489d0400
NC
403 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
404 an importlib, use <string><basename>.dll\n\
e3c8793a 405 in preference to lib<basename>.dll \n"));
489d0400 406 fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
e3c8793a 407 __imp_sym for DATA references\n"));
decc3638 408 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
2fa9fc65 409 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
489d0400
NC
410 adding pseudo-relocations resolved at\n\
411 runtime.\n"));
2fa9fc65
NC
412 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
413 auto-imported DATA.\n"));
e3c8793a
NC
414 fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
415 or linking to DLLs (esp. auto-import)\n"));
252b5132 416#endif
26d2d8a2
BF
417 fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
418 greater than 2 gigabytes\n"));
88183869
DK
419 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
420 executable image files\n"));
421 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
422 in object files\n"));
2f563b51
DK
423 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
424 address space layout randomization (ASLR)\n"));
425 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
426 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
427 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
428 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
429 be called in this image\n"));
430 fprintf (file, _(" --no-bind Do not bind this image\n"));
431 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
432 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
252b5132
RH
433}
434
4cd89863 435
252b5132 436static void
0c7a8e5a 437set_pe_name (char *name, long val)
252b5132
RH
438{
439 int i;
4cd89863
NC
440
441 /* Find the name and set it. */
252b5132
RH
442 for (i = 0; init[i].ptr; i++)
443 {
444 if (strcmp (name, init[i].symbol) == 0)
445 {
446 init[i].value = val;
447 init[i].inited = 1;
dffc6a64
KT
448 if (strcmp (name,"__image_base__") == 0)
449 set_pe_name (U ("__ImageBase"), val);
252b5132
RH
450 return;
451 }
452 }
939ba9d0 453 abort ();
252b5132
RH
454}
455
456
457static void
0c7a8e5a 458set_pe_subsystem (void)
252b5132
RH
459{
460 const char *sver;
33f362e1
NC
461 const char *entry;
462 const char *initial_symbol_char;
463 char *end;
252b5132
RH
464 int len;
465 int i;
33f362e1
NC
466 int subsystem;
467 unsigned long temp_subsystem;
3fc90ddb 468 static const struct
252b5132
RH
469 {
470 const char *name;
471 const int value;
472 const char *entry;
473 }
474 v[] =
475 {
33f362e1 476 { "native", 1, "NtProcessStartup" },
2be9b2c7
ILT
477 { "windows", 2, "WinMainCRTStartup" },
478 { "console", 3, "mainCRTStartup" },
33f362e1 479 { "posix", 7, "__PosixProcessStartup"},
00479ba8 480 { "wince", 9, "WinMainCRTStartup" },
33f362e1
NC
481 { "xbox", 14, "mainCRTStartup" },
482 { NULL, 0, NULL }
252b5132 483 };
33f362e1
NC
484 /* Entry point name for arbitrary subsystem numbers. */
485 static const char default_entry[] = "mainCRTStartup";
252b5132 486
33f362e1 487 /* Check for the presence of a version number. */
252b5132
RH
488 sver = strchr (optarg, ':');
489 if (sver == NULL)
490 len = strlen (optarg);
491 else
492 {
252b5132
RH
493 len = sver - optarg;
494 set_pe_name ("__major_subsystem_version__",
495 strtoul (sver + 1, &end, 0));
496 if (*end == '.')
497 set_pe_name ("__minor_subsystem_version__",
498 strtoul (end + 1, &end, 0));
499 if (*end != '\0')
500 einfo (_("%P: warning: bad version number in -subsystem option\n"));
501 }
502
33f362e1
NC
503 /* Check for numeric subsystem. */
504 temp_subsystem = strtoul (optarg, & end, 0);
505 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
252b5132 506 {
33f362e1
NC
507 /* Search list for a numeric match to use its entry point. */
508 for (i = 0; v[i].name; i++)
509 if (v[i].value == (int) temp_subsystem)
510 break;
511
512 /* If no match, use the default. */
513 if (v[i].name != NULL)
514 entry = v[i].entry;
515 else
516 entry = default_entry;
517
518 /* Use this subsystem. */
519 subsystem = (int) temp_subsystem;
520 }
521 else
522 {
523 /* Search for subsystem by name. */
524 for (i = 0; v[i].name; i++)
525 if (strncmp (optarg, v[i].name, len) == 0
526 && v[i].name[len] == '\0')
527 break;
252b5132 528
33f362e1
NC
529 if (v[i].name == NULL)
530 {
531 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
252b5132
RH
532 return;
533 }
33f362e1
NC
534
535 entry = v[i].entry;
536 subsystem = v[i].value;
252b5132 537 }
3fc90ddb 538
33f362e1
NC
539 set_pe_name ("__subsystem__", subsystem);
540
541 initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
542 if (*initial_symbol_char != '\0')
543 {
544 char *alc_entry;
545
a359509e 546 /* lang_default_entry expects its argument to be permanently
33f362e1
NC
547 allocated, so we don't free this string. */
548 alc_entry = xmalloc (strlen (initial_symbol_char)
549 + strlen (entry)
550 + 1);
551 strcpy (alc_entry, initial_symbol_char);
552 strcat (alc_entry, entry);
553 entry = alc_entry;
554 }
555
a359509e 556 lang_default_entry (entry);
33f362e1
NC
557
558 return;
252b5132
RH
559}
560
561
252b5132 562static void
0c7a8e5a 563set_pe_value (char *name)
252b5132
RH
564{
565 char *end;
3fc90ddb 566
252b5132 567 set_pe_name (name, strtoul (optarg, &end, 0));
3fc90ddb 568
252b5132
RH
569 if (end == optarg)
570 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
571
572 optarg = end;
573}
574
4cd89863 575
252b5132 576static void
0c7a8e5a 577set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
578{
579 set_pe_value (resname);
3fc90ddb 580
252b5132
RH
581 if (*optarg == ',')
582 {
583 optarg++;
584 set_pe_value (comname);
585 }
586 else if (*optarg)
587 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
588}
589
590
3bcf5557 591static bfd_boolean
0c7a8e5a 592gld${EMULATION_NAME}_handle_option (int optc)
252b5132 593{
252b5132
RH
594 switch (optc)
595 {
596 default:
3bcf5557 597 return FALSE;
252b5132
RH
598
599 case OPTION_BASE_FILE:
0c7a8e5a 600 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132
RH
601 if (link_info.base_file == NULL)
602 {
603 /* xgettext:c-format */
604 fprintf (stderr, _("%s: Can't open base file %s\n"),
605 program_name, optarg);
606 xexit (1);
607 }
608 break;
609
4cd89863 610 /* PE options. */
3fc90ddb 611 case OPTION_HEAP:
252b5132
RH
612 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
613 break;
3fc90ddb 614 case OPTION_STACK:
252b5132
RH
615 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
616 break;
617 case OPTION_SUBSYSTEM:
618 set_pe_subsystem ();
619 break;
620 case OPTION_MAJOR_OS_VERSION:
621 set_pe_value ("__major_os_version__");
622 break;
623 case OPTION_MINOR_OS_VERSION:
624 set_pe_value ("__minor_os_version__");
625 break;
626 case OPTION_MAJOR_SUBSYSTEM_VERSION:
627 set_pe_value ("__major_subsystem_version__");
628 break;
629 case OPTION_MINOR_SUBSYSTEM_VERSION:
630 set_pe_value ("__minor_subsystem_version__");
631 break;
632 case OPTION_MAJOR_IMAGE_VERSION:
633 set_pe_value ("__major_image_version__");
634 break;
635 case OPTION_MINOR_IMAGE_VERSION:
636 set_pe_value ("__minor_image_version__");
637 break;
638 case OPTION_FILE_ALIGNMENT:
639 set_pe_value ("__file_alignment__");
640 break;
641 case OPTION_SECTION_ALIGNMENT:
642 set_pe_value ("__section_alignment__");
643 break;
644 case OPTION_DLL:
645 set_pe_name ("__dll__", 1);
646 break;
647 case OPTION_IMAGE_BASE:
648 set_pe_value ("__image_base__");
649 break;
650 case OPTION_SUPPORT_OLD_CODE:
651 support_old_code = 1;
652 break;
6f798e5c
NC
653 case OPTION_THUMB_ENTRY:
654 thumb_entry_symbol = optarg;
655 break;
ce11ba6c
KT
656 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
657 pe_use_nul_prefixed_import_tables = TRUE;
658 break;
c6c37250 659#ifdef DLL_SUPPORT
252b5132
RH
660 case OPTION_OUT_DEF:
661 pe_out_def_filename = xstrdup (optarg);
662 break;
663 case OPTION_EXPORT_ALL:
664 pe_dll_export_everything = 1;
665 break;
666 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 667 pe_dll_add_excludes (optarg, EXCLUDESYMS);
70b0be79
CF
668 break;
669 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK
670 pe_dll_add_excludes (optarg, EXCLUDELIBS);
671 break;
672 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
673 pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
252b5132
RH
674 break;
675 case OPTION_KILL_ATS:
676 pe_dll_kill_ats = 1;
677 break;
678 case OPTION_STDCALL_ALIASES:
679 pe_dll_stdcall_aliases = 1;
680 break;
681 case OPTION_ENABLE_STDCALL_FIXUP:
682 pe_enable_stdcall_fixup = 1;
683 break;
684 case OPTION_DISABLE_STDCALL_FIXUP:
685 pe_enable_stdcall_fixup = 0;
686 break;
687 case OPTION_IMPLIB_FILENAME:
688 pe_implib_filename = xstrdup (optarg);
689 break;
870df5dc
NC
690 case OPTION_WARN_DUPLICATE_EXPORTS:
691 pe_dll_warn_dup_exports = 1;
692 break;
693 case OPTION_IMP_COMPAT:
694 pe_dll_compat_implib = 1;
695 break;
5f577f7d
DD
696 case OPTION_ENABLE_AUTO_IMAGE_BASE:
697 pe_enable_auto_image_base = 1;
698 break;
699 case OPTION_DISABLE_AUTO_IMAGE_BASE:
700 pe_enable_auto_image_base = 0;
701 break;
627427de 702 case OPTION_DLL_SEARCH_PREFIX:
939ba9d0 703 pe_dll_search_prefix = xstrdup (optarg);
627427de 704 break;
1122a5fc
NC
705 case OPTION_NO_DEFAULT_EXCLUDES:
706 pe_dll_do_default_excludes = 0;
707 break;
decc3638 708 case OPTION_DLL_ENABLE_AUTO_IMPORT:
e0076ab3 709 link_info.pei386_auto_import = 1;
decc3638
CW
710 break;
711 case OPTION_DLL_DISABLE_AUTO_IMPORT:
e0076ab3 712 link_info.pei386_auto_import = 0;
decc3638 713 break;
2fa9fc65
NC
714 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
715 link_info.pei386_runtime_pseudo_reloc = 1;
716 break;
6cb442d3
KT
717 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
718 link_info.pei386_runtime_pseudo_reloc = 1;
719 break;
720 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
721 link_info.pei386_runtime_pseudo_reloc = 2;
722 break;
2fa9fc65
NC
723 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
724 link_info.pei386_runtime_pseudo_reloc = 0;
725 break;
decc3638
CW
726 case OPTION_ENABLE_EXTRA_PE_DEBUG:
727 pe_dll_extra_pe_debug = 1;
728 break;
c6c37250 729#endif
26d2d8a2
BF
730 case OPTION_LARGE_ADDRESS_AWARE:
731 real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
732 break;
88183869
DK
733 case OPTION_ENABLE_LONG_SECTION_NAMES:
734 pe_use_coff_long_section_names = 1;
735 break;
736 case OPTION_DISABLE_LONG_SECTION_NAMES:
737 pe_use_coff_long_section_names = 0;
738 break;
2f563b51
DK
739/* Get DLLCharacteristics bits */
740 case OPTION_DYNAMIC_BASE:
741 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
742 break;
743 case OPTION_FORCE_INTEGRITY:
744 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
745 break;
746 case OPTION_NX_COMPAT:
747 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
748 break;
749 case OPTION_NO_ISOLATION:
750 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
751 break;
752 case OPTION_NO_SEH:
753 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
754 break;
755 case OPTION_NO_BIND:
756 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
757 break;
758 case OPTION_WDM_DRIVER:
759 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
760 break;
761 case OPTION_TERMINAL_SERVER_AWARE:
762 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
763 break;
252b5132 764 }
2f563b51
DK
765
766 /* Set DLLCharacteristics bits */
767 set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
768
3bcf5557 769 return TRUE;
252b5132
RH
770}
771\f
5f577f7d 772
2ef53d66 773#ifdef DLL_SUPPORT
3fc90ddb 774static unsigned long
5f577f7d
DD
775strhash (const char *str)
776{
777 const unsigned char *s;
778 unsigned long hash;
779 unsigned int c;
780 unsigned int len;
781
782 hash = 0;
783 len = 0;
784 s = (const unsigned char *) str;
785 while ((c = *s++) != '\0')
786 {
787 hash += c + (c << 17);
788 hash ^= hash >> 2;
789 ++len;
790 }
791 hash += len + (len << 17);
792 hash ^= hash >> 2;
793
794 return hash;
795}
796
4cd89863
NC
797/* Use the output file to create a image base for relocatable DLLs. */
798
5f577f7d
DD
799static unsigned long
800compute_dll_image_base (const char *ofile)
801{
802 unsigned long hash = strhash (ofile);
2c7fd14a 803 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
5f577f7d 804}
2ef53d66 805#endif
5f577f7d 806
252b5132
RH
807/* Assign values to the special symbols before the linker script is
808 read. */
809
810static void
0c7a8e5a 811gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
812{
813 /* Run through and invent symbols for all the
4cd89863 814 names and insert the defaults. */
252b5132 815 int j;
252b5132
RH
816
817 if (!init[IMAGEBASEOFF].inited)
818 {
1049f94e 819 if (link_info.relocatable)
252b5132 820 init[IMAGEBASEOFF].value = 0;
db8acf26 821 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
2ef53d66 822#ifdef DLL_SUPPORT
5f577f7d
DD
823 init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
824 compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
2ef53d66
L
825#else
826 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
827#endif
252b5132
RH
828 else
829 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
dffc6a64 830 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
252b5132
RH
831 }
832
1049f94e
AM
833 /* Don't do any symbol assignments if this is a relocatable link. */
834 if (link_info.relocatable)
252b5132
RH
835 return;
836
4cd89863 837 /* Glue the assignments into the abs section. */
bde18da4 838 push_stat_ptr (&abs_output_section->children);
252b5132
RH
839
840 for (j = 0; init[j].ptr; j++)
841 {
842 long val = init[j].value;
843 lang_assignment_statement_type *rv;
2c382fb6
AM
844 rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
845 exp_intop (val)));
939ba9d0
NC
846 if (init[j].size == sizeof (short))
847 *(short *) init[j].ptr = val;
848 else if (init[j].size == sizeof (int))
849 *(int *) init[j].ptr = val;
850 else if (init[j].size == sizeof (long))
851 *(long *) init[j].ptr = val;
252b5132 852 /* This might be a long long or other special type. */
939ba9d0
NC
853 else if (init[j].size == sizeof (bfd_vma))
854 *(bfd_vma *) init[j].ptr = val;
855 else abort ();
252b5132
RH
856 if (j == IMAGEBASEOFF)
857 image_base_statement = rv;
858 }
4cd89863 859 /* Restore the pointer. */
bde18da4 860 pop_stat_ptr ();
3fc90ddb 861
252b5132
RH
862 if (pe.FileAlignment >
863 pe.SectionAlignment)
864 {
865 einfo (_("%P: warning, file alignment > section alignment.\n"));
866 }
867}
868
869/* This is called after the linker script and the command line options
870 have been read. */
871
872static void
0c7a8e5a 873gld_${EMULATION_NAME}_after_parse (void)
252b5132
RH
874{
875 /* The Windows libraries are designed for the linker to treat the
876 entry point as an undefined symbol. Otherwise, the .obj that
877 defines mainCRTStartup is brought in because it is the first
878 encountered in libc.lib and it has other symbols in it which will
879 be pulled in by the link process. To avoid this, we act as
880 though the user specified -u with the entry point symbol.
881
882 This function is called after the linker script and command line
883 options have been read, so at this point we know the right entry
884 point. This function is called before the input files are
885 opened, so registering the symbol as undefined will make a
886 difference. */
887
1049f94e 888 if (! link_info.relocatable && entry_symbol.name != NULL)
e3e942e9 889 ldlang_add_undef (entry_symbol.name);
8b747e1a
DK
890
891 /* PR ld/6744: Warn the user if they have used an ELF-only
892 option hoping it will work on PE. */
893 if (link_info.export_dynamic)
894 einfo (_("%P: warning: --export-dynamic is not supported for PE "
895 "targets, did you mean --export-all-symbols?\n"));
252b5132
RH
896}
897
aa3d9aba
NC
898/* pe-dll.c directly accesses pe_data_import_dll,
899 so it must be defined outside of #ifdef DLL_SUPPORT.
900 Note - this variable is deliberately not initialised.
901 This allows it to be treated as a common varaible, and only
902 exist in one incarnation in a multiple target enabled linker. */
903char * pe_data_import_dll;
72358f65 904
2ef53d66 905#ifdef DLL_SUPPORT
252b5132
RH
906static struct bfd_link_hash_entry *pe_undef_found_sym;
907
b34976b6 908static bfd_boolean
0c7a8e5a 909pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
252b5132 910{
decc3638 911 int sl;
0c7a8e5a 912 char *string = inf;
4cd89863 913
0c7a8e5a 914 sl = strlen (string);
252b5132
RH
915 if (h->type == bfd_link_hash_defined
916 && strncmp (h->root.string, string, sl) == 0
917 && h->root.string[sl] == '@')
decc3638
CW
918 {
919 pe_undef_found_sym = h;
b34976b6 920 return FALSE;
decc3638 921 }
b34976b6 922 return TRUE;
252b5132
RH
923}
924
925static void
0c7a8e5a 926pe_fixup_stdcalls (void)
252b5132
RH
927{
928 static int gave_warning_message = 0;
929 struct bfd_link_hash_entry *undef, *sym;
c9e38879 930
3fc90ddb 931 if (pe_dll_extra_pe_debug)
c9e38879 932 printf ("%s\n", __FUNCTION__);
3fc90ddb 933
f6e332e6 934 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
252b5132 935 if (undef->type == bfd_link_hash_undefined)
252b5132 936 {
c9e38879
NC
937 char* at = strchr (undef->root.string, '@');
938 int lead_at = (*undef->root.string == '@');
939 /* For now, don't try to fixup fastcall symbols. */
b34976b6 940
c9e38879
NC
941 if (at && !lead_at)
942 {
943 /* The symbol is a stdcall symbol, so let's look for a
944 cdecl symbol with the same name and resolve to that. */
945 char *cname = xstrdup (undef->root.string /* + lead_at */);
946 at = strchr (cname, '@');
947 *at = 0;
948 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
949
950 if (sym && sym->type == bfd_link_hash_defined)
951 {
952 undef->type = bfd_link_hash_defined;
953 undef->u.def.value = sym->u.def.value;
954 undef->u.def.section = sym->u.def.section;
4cd89863 955
c9e38879
NC
956 if (pe_enable_stdcall_fixup == -1)
957 {
958 einfo (_("Warning: resolving %s by linking to %s\n"),
959 undef->root.string, cname);
960 if (! gave_warning_message)
961 {
962 gave_warning_message = 1;
939ba9d0
NC
963 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
964 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
965 }
966 }
967 }
968 }
969 else
970 {
971 /* The symbol is a cdecl symbol, so we look for stdcall
4cd89863 972 symbols - which means scanning the whole symbol table. */
c9e38879
NC
973 pe_undef_found_sym = 0;
974 bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
0c7a8e5a 975 (char *) undef->root.string);
c9e38879
NC
976 sym = pe_undef_found_sym;
977 if (sym)
978 {
979 undef->type = bfd_link_hash_defined;
980 undef->u.def.value = sym->u.def.value;
981 undef->u.def.section = sym->u.def.section;
4cd89863 982
c9e38879
NC
983 if (pe_enable_stdcall_fixup == -1)
984 {
985 einfo (_("Warning: resolving %s by linking to %s\n"),
986 undef->root.string, sym->root.string);
987 if (! gave_warning_message)
988 {
989 gave_warning_message = 1;
939ba9d0
NC
990 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
991 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
c9e38879
NC
992 }
993 }
994 }
995 }
252b5132 996 }
252b5132 997}
decc3638
CW
998
999static int
0c7a8e5a 1000make_import_fixup (arelent *rel, asection *s)
decc3638 1001{
fc0a2244 1002 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
c99b8138 1003 char addend[4];
decc3638 1004
3fc90ddb 1005 if (pe_dll_extra_pe_debug)
c9e38879 1006 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1007 (unsigned long) rel->address, (long) rel->addend);
0d888aac 1008
c99b8138 1009 if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
c9e38879
NC
1010 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1011 s->owner, s, rel->address);
0d888aac 1012
c99b8138 1013 pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
0d888aac 1014
decc3638
CW
1015 return 1;
1016}
1017
decc3638 1018static void
0c7a8e5a 1019pe_find_data_imports (void)
decc3638
CW
1020{
1021 struct bfd_link_hash_entry *undef, *sym;
c9e38879 1022
4cd89863
NC
1023 if (link_info.pei386_auto_import == 0)
1024 return;
1025
f6e332e6 1026 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
decc3638
CW
1027 {
1028 if (undef->type == bfd_link_hash_undefined)
1af699f4
AM
1029 {
1030 /* C++ symbols are *long*. */
1031 char buf[4096];
c9e38879
NC
1032
1033 if (pe_dll_extra_pe_debug)
1034 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1035
1af699f4 1036 sprintf (buf, "__imp_%s", undef->root.string);
decc3638 1037
1af699f4 1038 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
c9e38879 1039
1af699f4
AM
1040 if (sym && sym->type == bfd_link_hash_defined)
1041 {
4cd89863
NC
1042 bfd *b = sym->u.def.section->owner;
1043 asymbol **symbols;
5c1d2f5f 1044 int nsyms, i;
4cd89863
NC
1045
1046 if (link_info.pei386_auto_import == -1)
8524166d
NC
1047 {
1048 static bfd_boolean warned = FALSE;
1049
1050 info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
1051 undef->root.string, buf);
1052
1053 /* PR linker/4844. */
1054 if (! warned)
1055 {
1056 warned = TRUE;
1057 einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
44e36d8a 1058This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
8524166d
NC
1059 }
1060 }
4cd89863 1061
5c1d2f5f
AM
1062 if (!bfd_generic_link_read_symbols (b))
1063 {
1064 einfo (_("%B%F: could not read symbols: %E\n"), b);
1065 return;
1066 }
1067
1068 symbols = bfd_get_outsymbols (b);
1069 nsyms = bfd_get_symcount (b);
4cd89863
NC
1070
1071 for (i = 0; i < nsyms; i++)
1072 {
00479ba8 1073 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
4cd89863
NC
1074 continue;
1075
1076 if (pe_dll_extra_pe_debug)
1077 printf ("->%s\n", symbols[i]->name);
1078
1079 pe_data_import_dll = (char*) (symbols[i]->name +
00479ba8 1080 sizeof (U ("_head_")) - 1);
4cd89863
NC
1081 break;
1082 }
1083
1084 pe_walk_relocs_of_symbol (&link_info, undef->root.string,
1085 make_import_fixup);
1086
1087 /* Let's differentiate it somehow from defined. */
1088 undef->type = bfd_link_hash_defweak;
1089 /* We replace original name with __imp_ prefixed, this
1090 1) may trash memory 2) leads to duplicate symbol generation.
1091 Still, IMHO it's better than having name poluted. */
1092 undef->root.string = sym->root.string;
1093 undef->u.def.value = sym->u.def.value;
1094 undef->u.def.section = sym->u.def.section;
1af699f4
AM
1095 }
1096 }
decc3638
CW
1097 }
1098}
252b5132 1099
b34976b6 1100static bfd_boolean
0c7a8e5a 1101pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
decc3638 1102{
3fc90ddb 1103 if (pe_dll_extra_pe_debug)
0c7a8e5a 1104 printf ("+%s\n", h->string);
c9e38879 1105
b34976b6 1106 return TRUE;
decc3638 1107}
4b83d615 1108#endif /* DLL_SUPPORT */
decc3638 1109
3efd345c
DK
1110static void
1111debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1112{
1113 int *found = (int *) obj;
1114 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1115 *found = 1;
1116}
decc3638 1117
252b5132 1118static void
0c7a8e5a 1119gld_${EMULATION_NAME}_after_open (void)
252b5132 1120{
4b83d615 1121#ifdef DLL_SUPPORT
3fc90ddb 1122 if (pe_dll_extra_pe_debug)
decc3638
CW
1123 {
1124 bfd *a;
1125 struct bfd_link_hash_entry *sym;
c9e38879 1126
decc3638
CW
1127 printf ("%s()\n", __FUNCTION__);
1128
f6e332e6 1129 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1af699f4 1130 printf ("-%s\n", sym->root.string);
0c7a8e5a 1131 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
decc3638
CW
1132
1133 for (a = link_info.input_bfds; a; a = a->link_next)
c9e38879 1134 printf ("*%s\n",a->filename);
decc3638 1135 }
4b83d615 1136#endif
3fc90ddb 1137
252b5132
RH
1138 /* Pass the wacky PE command line options into the output bfd.
1139 FIXME: This should be done via a function, rather than by
1140 including an internal BFD header. */
3fc90ddb 1141
f13a99db
AM
1142 if (coff_data (link_info.output_bfd) == NULL
1143 || coff_data (link_info.output_bfd)->pe == 0)
1144 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1145 link_info.output_bfd);
252b5132 1146
f13a99db
AM
1147 pe_data (link_info.output_bfd)->pe_opthdr = pe;
1148 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1149 pe_data (link_info.output_bfd)->real_flags |= real_flags;
3efd345c
DK
1150
1151 /* At this point we must decide whether to use long section names
1152 in the output or not. If the user hasn't explicitly specified
1153 on the command line, we leave it to the default for the format
1154 (object files yes, image files no), except if there is debug
1155 information present; GDB relies on the long section names to
1156 find it, so enable it in that case. */
1157 if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1158 {
1159 /* Iterate over all sections of all input BFDs, checking
1160 for any that begin 'debug_' and are long names. */
1161 LANG_FOR_EACH_INPUT_STATEMENT (is)
1162 {
1163 int found_debug = 0;
1164 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1165 if (found_debug)
1166 {
1167 pe_use_coff_long_section_names = 1;
1168 break;
1169 }
1170 }
1171 }
1172
88183869 1173 pe_output_file_set_long_section_names (link_info.output_bfd);
252b5132 1174
c6c37250 1175#ifdef DLL_SUPPORT
252b5132
RH
1176 if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
1177 pe_fixup_stdcalls ();
1178
f13a99db 1179 pe_process_import_defs (link_info.output_bfd, &link_info);
939ba9d0 1180
3fc90ddb 1181 pe_find_data_imports ();
decc3638 1182
7148cc28
NC
1183#if defined (TARGET_IS_i386pe) \
1184 || defined (TARGET_IS_armpe) \
1185 || defined (TARGET_IS_arm_epoc_pe) \
1186 || defined (TARGET_IS_arm_wince_pe)
1049f94e 1187 if (!link_info.relocatable)
f13a99db 1188 pe_dll_build_sections (link_info.output_bfd, &link_info);
7148cc28
NC
1189#else
1190 if (link_info.shared)
f13a99db 1191 pe_dll_build_sections (link_info.output_bfd, &link_info);
1491f1f0
DK
1192 else
1193 pe_exe_build_sections (link_info.output_bfd, &link_info);
344a211f 1194#endif
7148cc28 1195#endif /* DLL_SUPPORT */
252b5132 1196
7148cc28 1197#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
f13a99db 1198 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
f11523b0
NC
1199 {
1200 /* The arm backend needs special fields in the output hash structure.
1201 These will only be created if the output format is an arm format,
1202 hence we do not support linking and changing output formats at the
1203 same time. Use a link followed by objcopy to change output formats. */
1204 einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
1205 return;
1206 }
252b5132
RH
1207 {
1208 /* Find a BFD that can hold the interworking stubs. */
1209 LANG_FOR_EACH_INPUT_STATEMENT (is)
1210 {
7148cc28 1211 if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
252b5132
RH
1212 break;
1213 }
1214 }
1215#endif
c6c37250 1216
486e80e2 1217 {
486e80e2
DD
1218 /* This next chunk of code tries to detect the case where you have
1219 two import libraries for the same DLL (specifically,
1220 symbolically linking libm.a and libc.a in cygwin to
1221 libcygwin.a). In those cases, it's possible for function
1222 thunks from the second implib to be used but without the
1223 head/tail objects, causing an improper import table. We detect
1224 those cases and rename the "other" import libraries to match
1225 the one the head/tail come from, so that the linker will sort
4cd89863 1226 things nicely and produce a valid import table. */
486e80e2
DD
1227
1228 LANG_FOR_EACH_INPUT_STATEMENT (is)
1229 {
1230 if (is->the_bfd->my_archive)
1231 {
1232 int idata2 = 0, reloc_count=0, is_imp = 0;
1233 asection *sec;
3fc90ddb 1234
6e45556a 1235 /* See if this is an import library thunk. */
486e80e2
DD
1236 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1237 {
1238 if (strcmp (sec->name, ".idata\$2") == 0)
1239 idata2 = 1;
0112cd26 1240 if (CONST_STRNEQ (sec->name, ".idata\$"))
486e80e2
DD
1241 is_imp = 1;
1242 reloc_count += sec->reloc_count;
1243 }
3fc90ddb 1244
486e80e2
DD
1245 if (is_imp && !idata2 && reloc_count)
1246 {
6e45556a
NC
1247 /* It is, look for the reference to head and see if it's
1248 from our own library. */
486e80e2
DD
1249 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1250 {
1251 int i;
6e45556a 1252 long relsize;
102c86f8 1253 asymbol **symbols;
102c86f8
NC
1254 arelent **relocs;
1255 int nrelocs;
3fc90ddb 1256
102c86f8 1257 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
6e45556a
NC
1258 if (relsize < 1)
1259 break;
3fc90ddb 1260
5c1d2f5f 1261 if (!bfd_generic_link_read_symbols (is->the_bfd))
6e45556a 1262 {
5c1d2f5f
AM
1263 einfo (_("%B%F: could not read symbols: %E\n"),
1264 is->the_bfd);
6e45556a
NC
1265 return;
1266 }
5c1d2f5f 1267 symbols = bfd_get_outsymbols (is->the_bfd);
3fc90ddb 1268
102c86f8
NC
1269 relocs = (arelent **) xmalloc ((size_t) relsize);
1270 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
f6e332e6 1271 relocs, symbols);
6e45556a
NC
1272 if (nrelocs < 0)
1273 {
1274 free (relocs);
44e36d8a 1275 einfo ("%X%P: unable to process relocs: %E\n");
6e45556a
NC
1276 return;
1277 }
3fc90ddb 1278
6e45556a 1279 for (i = 0; i < nrelocs; i++)
486e80e2 1280 {
fc0a2244 1281 struct bfd_symbol *s;
6e45556a 1282 struct bfd_link_hash_entry * blhe;
2a08daf3 1283 char *other_bfd_filename;
6e45556a 1284 char *n;
3fc90ddb 1285
486e80e2 1286 s = (relocs[i]->sym_ptr_ptr)[0];
3fc90ddb 1287
6e45556a
NC
1288 if (s->flags & BSF_LOCAL)
1289 continue;
3fc90ddb 1290
6e45556a
NC
1291 /* Thunk section with reloc to another bfd. */
1292 blhe = bfd_link_hash_lookup (link_info.hash,
1293 s->name,
b34976b6 1294 FALSE, FALSE, TRUE);
3fc90ddb 1295
6e45556a
NC
1296 if (blhe == NULL
1297 || blhe->type != bfd_link_hash_defined)
1298 continue;
3fc90ddb 1299
2a08daf3
DS
1300 other_bfd_filename
1301 = blhe->u.def.section->owner->my_archive
1302 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1303 : bfd_get_filename (blhe->u.def.section->owner);
3fc90ddb 1304
2a08daf3
DS
1305 if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
1306 other_bfd_filename) == 0)
6e45556a 1307 continue;
3fc90ddb 1308
c034e3e0 1309 /* Rename this implib to match the other one. */
2a08daf3
DS
1310 n = xmalloc (strlen (other_bfd_filename) + 1);
1311 strcpy (n, other_bfd_filename);
1312 is->the_bfd->my_archive->filename = n;
486e80e2
DD
1313 }
1314
1315 free (relocs);
6e45556a
NC
1316 /* Note - we do not free the symbols,
1317 they are now cached in the BFD. */
486e80e2
DD
1318 }
1319 }
1320 }
1321 }
1322 }
1323
c6c37250 1324 {
f0c87f88 1325 int is_ms_arch = 0;
1069dd8d 1326 bfd *cur_arch = 0;
c6c37250 1327 lang_input_statement_type *is2;
44dbf363 1328 lang_input_statement_type *is3;
1069dd8d 1329
c6c37250
DD
1330 /* Careful - this is a shell script. Watch those dollar signs! */
1331 /* Microsoft import libraries have every member named the same,
1332 and not in the right order for us to link them correctly. We
1333 must detect these and rename the members so that they'll link
1334 correctly. There are three types of objects: the head, the
1335 thunks, and the sentinel(s). The head is easy; it's the one
1336 with idata2. We assume that the sentinels won't have relocs,
1337 and the thunks will. It's easier than checking the symbol
1069dd8d 1338 table for external references. */
c6c37250
DD
1339 LANG_FOR_EACH_INPUT_STATEMENT (is)
1340 {
1341 if (is->the_bfd->my_archive)
1342 {
44dbf363 1343 char *pnt;
c6c37250 1344 bfd *arch = is->the_bfd->my_archive;
44dbf363 1345
c6c37250
DD
1346 if (cur_arch != arch)
1347 {
1348 cur_arch = arch;
1349 is_ms_arch = 1;
44dbf363
NC
1350
1351 for (is3 = is;
1352 is3 && is3->the_bfd->my_archive == arch;
1353 is3 = (lang_input_statement_type *) is3->next)
1354 {
1af699f4 1355 /* A MS dynamic import library can also contain static
44dbf363
NC
1356 members, so look for the first element with a .dll
1357 extension, and use that for the remainder of the
1358 comparisons. */
1359 pnt = strrchr (is3->the_bfd->filename, '.');
07a68a80 1360 if (pnt != NULL && strcmp (pnt, ".dll") == 0)
ff71f4f7 1361 break;
44dbf363
NC
1362 }
1363
1364 if (is3 == NULL)
1365 is_ms_arch = 0;
1366 else
c6c37250 1367 {
44dbf363
NC
1368 /* OK, found one. Now look to see if the remaining
1369 (dynamic import) members use the same name. */
1370 for (is2 = is;
1371 is2 && is2->the_bfd->my_archive == arch;
1372 is2 = (lang_input_statement_type *) is2->next)
1373 {
1374 /* Skip static members, ie anything with a .obj
1375 extension. */
1376 pnt = strrchr (is2->the_bfd->filename, '.');
1377 if (pnt != NULL && strcmp (pnt, ".obj") == 0)
1378 continue;
1379
1380 if (strcmp (is3->the_bfd->filename,
1381 is2->the_bfd->filename))
1382 {
1383 is_ms_arch = 0;
1384 break;
1385 }
1386 }
c6c37250
DD
1387 }
1388 }
1389
44dbf363
NC
1390 /* This fragment might have come from an .obj file in a Microsoft
1391 import, and not an actual import record. If this is the case,
1392 then leave the filename alone. */
1393 pnt = strrchr (is->the_bfd->filename, '.');
1394
1395 if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
c6c37250 1396 {
1069dd8d 1397 int idata2 = 0, reloc_count=0;
c6c37250
DD
1398 asection *sec;
1399 char *new_name, seq;
1069dd8d 1400
c6c37250
DD
1401 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1402 {
1403 if (strcmp (sec->name, ".idata\$2") == 0)
1404 idata2 = 1;
1405 reloc_count += sec->reloc_count;
1406 }
1407
1408 if (idata2) /* .idata2 is the TOC */
1409 seq = 'a';
1410 else if (reloc_count > 0) /* thunks */
1411 seq = 'b';
1412 else /* sentinel */
1413 seq = 'c';
1414
e4e24acb 1415 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
c6c37250
DD
1416 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1417 is->the_bfd->filename = new_name;
1418
690a460e 1419 new_name = xmalloc (strlen (is->filename) + 3);
c6c37250
DD
1420 sprintf (new_name, "%s.%c", is->filename, seq);
1421 is->filename = new_name;
1422 }
1423 }
1424 }
1425 }
54727719
NC
1426
1427 {
1428 /* The following chunk of code tries to identify jump stubs in
1429 import libraries which are dead code and eliminates them
1430 from the final link. For each exported symbol <sym>, there
1431 is a object file in the import library with a .text section
d34c1c51 1432 and several .idata\$* sections. The .text section contains the
54727719 1433 symbol definition for <sym> which is a jump stub of the form
d34c1c51 1434 jmp *__imp_<sym>. The .idata\$5 contains the symbol definition
54727719
NC
1435 for __imp_<sym> which is the address of the slot for <sym> in
1436 the import address table. When a symbol is imported explicitly
1437 using __declspec(dllimport) declaration, the compiler generates
1438 a reference to __imp_<sym> which directly resolves to the
d34c1c51 1439 symbol in .idata\$5, in which case the jump stub code is not
54727719
NC
1440 needed. The following code tries to identify jump stub sections
1441 in import libraries which are not referred to by anyone and
1442 marks them for exclusion from the final link. */
1443 LANG_FOR_EACH_INPUT_STATEMENT (is)
1444 {
1445 if (is->the_bfd->my_archive)
1446 {
1447 int is_imp = 0;
1448 asection *sec, *stub_sec = NULL;
1449
1450 /* See if this is an import library thunk. */
1451 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1452 {
1453 if (strncmp (sec->name, ".idata\$", 7) == 0)
1454 is_imp = 1;
1455 /* The section containing the jmp stub has code
1456 and has a reloc. */
1457 if ((sec->flags & SEC_CODE) && sec->reloc_count)
1458 stub_sec = sec;
1459 }
92b93329 1460
54727719
NC
1461 if (is_imp && stub_sec)
1462 {
54727719 1463 asymbol **symbols;
5c1d2f5f 1464 long nsyms, src_count;
54727719
NC
1465 struct bfd_link_hash_entry * blhe;
1466
5c1d2f5f
AM
1467 if (!bfd_generic_link_read_symbols (is->the_bfd))
1468 {
1469 einfo (_("%B%F: could not read symbols: %E\n"),
1470 is->the_bfd);
1471 return;
1472 }
1473 symbols = bfd_get_outsymbols (is->the_bfd);
1474 nsyms = bfd_get_symcount (is->the_bfd);
54727719 1475
5c1d2f5f 1476 for (src_count = 0; src_count < nsyms; src_count++)
54727719
NC
1477 {
1478 if (symbols[src_count]->section->id == stub_sec->id)
1479 {
1480 /* This symbol belongs to the section containing
1481 the stub. */
1482 blhe = bfd_link_hash_lookup (link_info.hash,
1483 symbols[src_count]->name,
1484 FALSE, FALSE, TRUE);
1485 /* If the symbol in the stub section has no other
1486 undefined references, exclude the stub section
1487 from the final link. */
1488 if (blhe && (blhe->type == bfd_link_hash_defined)
1489 && (blhe->u.undef.next == NULL))
1490 stub_sec->flags |= SEC_EXCLUDE;
1491 }
1492 }
54727719
NC
1493 }
1494 }
1495 }
1496 }
252b5132
RH
1497}
1498\f
3fc90ddb 1499static void
0c7a8e5a 1500gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1501{
1502#ifdef TARGET_IS_ppcpe
c9e38879 1503 /* Here we rummage through the found bfds to collect toc information. */
252b5132
RH
1504 {
1505 LANG_FOR_EACH_INPUT_STATEMENT (is)
1506 {
1507 if (!ppc_process_before_allocation (is->the_bfd, &link_info))
1508 {
1509 /* xgettext:c-format */
1510 einfo (_("Errors encountered processing file %s\n"), is->filename);
1511 }
1512 }
1513 }
1514
c9e38879 1515 /* We have seen it all. Allocate it, and carry on. */
252b5132
RH
1516 ppc_allocate_toc_section (&link_info);
1517#endif /* TARGET_IS_ppcpe */
1518
7148cc28 1519#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
252b5132
RH
1520 /* FIXME: we should be able to set the size of the interworking stub
1521 section.
1522
1523 Here we rummage through the found bfds to collect glue
1524 information. FIXME: should this be based on a command line
c9e38879 1525 option? krk@cygnus.com. */
252b5132
RH
1526 {
1527 LANG_FOR_EACH_INPUT_STATEMENT (is)
1528 {
7148cc28 1529 if (! bfd_arm_process_before_allocation
252b5132
RH
1530 (is->the_bfd, & link_info, support_old_code))
1531 {
1532 /* xgettext:c-format */
44e36d8a 1533 einfo (_("Errors encountered processing file %s for interworking\n"),
252b5132
RH
1534 is->filename);
1535 }
1536 }
1537 }
1538
c9e38879 1539 /* We have seen it all. Allocate it, and carry on. */
7148cc28
NC
1540 bfd_arm_allocate_interworking_sections (& link_info);
1541#endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
8423293d 1542
1e035701 1543 before_allocation_default ();
252b5132
RH
1544}
1545\f
690a460e 1546#ifdef DLL_SUPPORT
252b5132 1547/* This is called when an input file isn't recognized as a BFD. We
c9e38879 1548 check here for .DEF files and pull them in automatically. */
690a460e 1549
252b5132 1550static int
0c7a8e5a 1551saw_option (char *option)
252b5132
RH
1552{
1553 int i;
c9e38879
NC
1554
1555 for (i = 0; init[i].ptr; i++)
252b5132
RH
1556 if (strcmp (init[i].symbol, option) == 0)
1557 return init[i].inited;
1558 return 0;
1559}
690a460e 1560#endif /* DLL_SUPPORT */
252b5132 1561
b34976b6 1562static bfd_boolean
0c7a8e5a 1563gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1564{
c6c37250 1565#ifdef DLL_SUPPORT
252b5132
RH
1566 const char *ext = entry->filename + strlen (entry->filename) - 4;
1567
1568 if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
252b5132 1569 {
f2d3750d 1570 pe_def_file = def_file_parse (entry->filename, pe_def_file);
c9e38879
NC
1571
1572 if (pe_def_file)
252b5132 1573 {
c9e38879
NC
1574 int i, buflen=0, len;
1575 char *buf;
252b5132 1576
c9e38879 1577 for (i = 0; i < pe_def_file->num_exports; i++)
252b5132 1578 {
939ba9d0 1579 len = strlen (pe_def_file->exports[i].internal_name);
c9e38879
NC
1580 if (buflen < len + 2)
1581 buflen = len + 2;
252b5132 1582 }
252b5132 1583
c9e38879 1584 buf = (char *) xmalloc (buflen);
252b5132 1585
c9e38879
NC
1586 for (i = 0; i < pe_def_file->num_exports; i++)
1587 {
1588 struct bfd_link_hash_entry *h;
1589
00479ba8 1590 sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name);
c9e38879 1591
b34976b6 1592 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
c9e38879
NC
1593 if (h == (struct bfd_link_hash_entry *) NULL)
1594 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1595 if (h->type == bfd_link_hash_new)
1596 {
1597 h->type = bfd_link_hash_undefined;
1598 h->u.undef.abfd = NULL;
1599 bfd_link_add_undef (link_info.hash, h);
1600 }
1601 }
1602 free (buf);
1603
1604 /* def_file_print (stdout, pe_def_file); */
1605 if (pe_def_file->is_dll == 1)
1606 link_info.shared = 1;
1607
1608 if (pe_def_file->base_address != (bfd_vma)(-1))
1609 {
f13a99db
AM
1610 pe.ImageBase
1611 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1612 = init[IMAGEBASEOFF].value
1613 = pe_def_file->base_address;
c9e38879
NC
1614 init[IMAGEBASEOFF].inited = 1;
1615 if (image_base_statement)
f13a99db
AM
1616 image_base_statement->exp = exp_assop ('=', "__image_base__",
1617 exp_intop (pe.ImageBase));
c9e38879 1618 }
252b5132 1619
c9e38879
NC
1620 if (pe_def_file->stack_reserve != -1
1621 && ! saw_option ("__size_of_stack_reserve__"))
1622 {
1623 pe.SizeOfStackReserve = pe_def_file->stack_reserve;
1624 if (pe_def_file->stack_commit != -1)
1625 pe.SizeOfStackCommit = pe_def_file->stack_commit;
1626 }
1627 if (pe_def_file->heap_reserve != -1
1628 && ! saw_option ("__size_of_heap_reserve__"))
1629 {
1630 pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
1631 if (pe_def_file->heap_commit != -1)
1632 pe.SizeOfHeapCommit = pe_def_file->heap_commit;
1633 }
b34976b6 1634 return TRUE;
c9e38879 1635 }
252b5132 1636 }
252b5132 1637#endif
b34976b6 1638 return FALSE;
252b5132
RH
1639}
1640
b34976b6 1641static bfd_boolean
0c7a8e5a 1642gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
252b5132 1643{
c6c37250 1644#ifdef DLL_SUPPORT
252b5132 1645#ifdef TARGET_IS_i386pe
c6c37250 1646 pe_dll_id_target ("pei-i386");
344a211f
NC
1647#endif
1648#ifdef TARGET_IS_shpe
1649 pe_dll_id_target ("pei-shl");
1650#endif
1651#ifdef TARGET_IS_mipspe
1652 pe_dll_id_target ("pei-mips");
1653#endif
1654#ifdef TARGET_IS_armpe
1655 pe_dll_id_target ("pei-arm-little");
7148cc28
NC
1656#endif
1657#ifdef TARGET_IS_arm_epoc_pe
1658 pe_dll_id_target ("epoc-pei-arm-little");
1659#endif
1660#ifdef TARGET_IS_arm_wince_pe
1661 pe_dll_id_target ("pei-arm-wince-little");
c6c37250 1662#endif
ff2bdb9c
CF
1663 if (pe_bfd_is_dll (entry->the_bfd))
1664 return pe_implied_import_dll (entry->filename);
252b5132 1665#endif
b34976b6 1666 return FALSE;
252b5132
RH
1667}
1668
1669static void
0c7a8e5a 1670gld_${EMULATION_NAME}_finish (void)
252b5132 1671{
7148cc28 1672#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
6f798e5c
NC
1673 struct bfd_link_hash_entry * h;
1674
1675 if (thumb_entry_symbol != NULL)
1676 {
b34976b6
AM
1677 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
1678 FALSE, FALSE, TRUE);
3fc90ddb 1679
6f798e5c
NC
1680 if (h != (struct bfd_link_hash_entry *) NULL
1681 && (h->type == bfd_link_hash_defined
1682 || h->type == bfd_link_hash_defweak)
1683 && h->u.def.section->output_section != NULL)
1684 {
1685 static char buffer[32];
1686 bfd_vma val;
3fc90ddb 1687
6f798e5c
NC
1688 /* Special procesing is required for a Thumb entry symbol. The
1689 bottom bit of its address must be set. */
1690 val = (h->u.def.value
f13a99db 1691 + bfd_get_section_vma (link_info.output_bfd,
6f798e5c
NC
1692 h->u.def.section->output_section)
1693 + h->u.def.section->output_offset);
3fc90ddb 1694
6f798e5c 1695 val |= 1;
3fc90ddb 1696
6f798e5c
NC
1697 /* Now convert this value into a string and store it in entry_symbol
1698 where the lang_finish() function will pick it up. */
1699 buffer[0] = '0';
1700 buffer[1] = 'x';
3fc90ddb 1701
6f798e5c 1702 sprintf_vma (buffer + 2, val);
3fc90ddb 1703
e3e942e9 1704 if (entry_symbol.name != NULL && entry_from_cmdline)
6f798e5c 1705 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
e3e942e9
AM
1706 thumb_entry_symbol, entry_symbol.name);
1707 entry_symbol.name = buffer;
6f798e5c
NC
1708 }
1709 else
c58dea77 1710 einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
6f798e5c 1711 }
7148cc28 1712#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
6f798e5c 1713
1e035701
AM
1714 finish_default ();
1715
c6c37250 1716#ifdef DLL_SUPPORT
2b817be1
NC
1717 if (link_info.shared
1718#if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
1049f94e 1719 || (!link_info.relocatable && pe_def_file->num_exports != 0)
2b817be1
NC
1720#endif
1721 )
252b5132 1722 {
f13a99db 1723 pe_dll_fill_sections (link_info.output_bfd, &link_info);
252b5132 1724 if (pe_implib_filename)
e1c37eb5 1725 pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
252b5132 1726 }
344a211f 1727#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
690a460e 1728 /* ARM doesn't need relocs. */
344a211f
NC
1729 else
1730 {
f13a99db 1731 pe_exe_fill_sections (link_info.output_bfd, &link_info);
344a211f
NC
1732 }
1733#endif
3fc90ddb 1734
252b5132
RH
1735 if (pe_out_def_filename)
1736 pe_dll_generate_def_file (pe_out_def_filename);
690a460e 1737#endif /* DLL_SUPPORT */
decc3638 1738
c9e38879 1739 /* I don't know where .idata gets set as code, but it shouldn't be. */
decc3638 1740 {
f13a99db 1741 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
c9e38879 1742
decc3638
CW
1743 if (asec)
1744 {
1af699f4
AM
1745 asec->flags &= ~SEC_CODE;
1746 asec->flags |= SEC_DATA;
decc3638
CW
1747 }
1748 }
252b5132
RH
1749}
1750
1751\f
1752/* Place an orphan section.
1753
1754 We use this to put sections in a reasonable place in the file, and
1755 to ensure that they are aligned as required.
1756
d34c1c51 1757 We handle grouped sections here as well. A section named .foo\$nn
252b5132
RH
1758 goes into the output section .foo. All grouped sections are sorted
1759 by name.
1760
1761 Grouped sections for the default sections are handled by the
1762 default linker script using wildcards, and are sorted by
1763 sort_sections. */
1764
c2edb4b8 1765static lang_output_section_statement_type *
8a99a385
AM
1766gld_${EMULATION_NAME}_place_orphan (asection *s,
1767 const char *secname,
1768 int constraint)
252b5132 1769{
bcacc0f5 1770 const char *orig_secname = secname;
f0c87f88 1771 char *dollar = NULL;
aea4bd9d 1772 lang_output_section_statement_type *os;
5ba47421 1773 lang_statement_list_type add_child;
252b5132 1774
252b5132 1775 /* Look through the script to see where to place this section. */
afd7a018 1776 if (!link_info.relocatable
d34c1c51 1777 && (dollar = strchr (secname, '\$')) != NULL)
6eec49fc 1778 {
bcacc0f5 1779 size_t len = dollar - secname;
afd7a018 1780 char *newname = xmalloc (len + 1);
bcacc0f5 1781 memcpy (newname, secname, len);
afd7a018
AM
1782 newname[len] = '\0';
1783 secname = newname;
6eec49fc 1784 }
252b5132 1785
5ba47421
AM
1786 lang_list_init (&add_child);
1787
8a99a385
AM
1788 if (constraint == 0
1789 && (os = lang_output_section_find (secname)) != NULL
bcacc0f5
AM
1790 && os->bfd_section != NULL
1791 && (os->bfd_section->flags == 0
ae7fb08f
AM
1792 || ((s->flags ^ os->bfd_section->flags)
1793 & (SEC_LOAD | SEC_ALLOC)) == 0))
5ba47421 1794 {
ae7fb08f 1795 /* We already have an output section statement with this
bcacc0f5 1796 name, and its bfd section has compatible flags.
afd7a018
AM
1797 If the section already exists but does not have any flags set,
1798 then it has been created by the linker, probably as a result of
1799 a --section-start command line switch. */
7b986e99 1800 lang_add_section (&add_child, s, os);
5ba47421
AM
1801 }
1802 else
252b5132 1803 {
afd7a018
AM
1804 static struct orphan_save hold[] =
1805 {
1806 { ".text",
1807 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1808 0, 0, 0, 0 },
1809 { ".rdata",
1810 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1811 0, 0, 0, 0 },
1812 { ".data",
1813 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1814 0, 0, 0, 0 },
1815 { ".bss",
1816 SEC_ALLOC,
1817 0, 0, 0, 0 }
1818 };
1819 enum orphan_save_index
1820 {
1821 orphan_text = 0,
1822 orphan_rodata,
1823 orphan_data,
1824 orphan_bss
1825 };
1826 static int orphan_init_done = 0;
6a345e87 1827 struct orphan_save *place;
afd7a018 1828 lang_output_section_statement_type *after;
252b5132 1829 etree_type *address;
afd7a018
AM
1830
1831 if (!orphan_init_done)
1832 {
1833 struct orphan_save *ho;
1834 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1835 if (ho->name != NULL)
1836 {
1837 ho->os = lang_output_section_find (ho->name);
1838 if (ho->os != NULL && ho->os->flags == 0)
1839 ho->os->flags = ho->flags;
1840 }
1841 orphan_init_done = 1;
1842 }
252b5132
RH
1843
1844 /* Try to put the new output section in a reasonable place based
1845 on the section name and section flags. */
aea4bd9d 1846
252b5132 1847 place = NULL;
5ba47421
AM
1848 if ((s->flags & SEC_ALLOC) == 0)
1849 ;
afd7a018
AM
1850 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1851 place = &hold[orphan_bss];
1852 else if ((s->flags & SEC_READONLY) == 0)
1853 place = &hold[orphan_data];
1854 else if ((s->flags & SEC_CODE) == 0)
1855 place = &hold[orphan_rodata];
1af699f4 1856 else
afd7a018 1857 place = &hold[orphan_text];
1af699f4 1858
afd7a018 1859 after = NULL;
1af699f4
AM
1860 if (place != NULL)
1861 {
afd7a018
AM
1862 if (place->os == NULL)
1863 place->os = lang_output_section_find (place->name);
1864 after = place->os;
1865 if (after == NULL)
390fbbf1 1866 after = lang_output_section_find_by_flags (s, &place->os, NULL);
afd7a018
AM
1867 if (after == NULL)
1868 /* *ABS* is always the first output section statement. */
1869 after = (&lang_output_section_statement.head
1870 ->output_section_statement);
252b5132
RH
1871 }
1872
afd7a018
AM
1873 /* All sections in an executable must be aligned to a page boundary. */
1874 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM
1875 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1876 &add_child);
252b5132
RH
1877 }
1878
5ba47421 1879 {
aea4bd9d 1880 lang_statement_union_type **pl = &os->children.head;
252b5132 1881
5ba47421
AM
1882 if (dollar != NULL)
1883 {
b34976b6 1884 bfd_boolean found_dollar;
252b5132 1885
d34c1c51 1886 /* The section name has a '\$'. Sort it with the other '\$'
5ba47421 1887 sections. */
b34976b6 1888 found_dollar = FALSE;
bba1a0c0 1889 for ( ; *pl != NULL; pl = &(*pl)->header.next)
5ba47421
AM
1890 {
1891 lang_input_section_type *ls;
1892 const char *lname;
252b5132 1893
5ba47421
AM
1894 if ((*pl)->header.type != lang_input_section_enum)
1895 continue;
252b5132 1896
5ba47421 1897 ls = &(*pl)->input_section;
252b5132 1898
7b986e99 1899 lname = bfd_get_section_name (ls->section->owner, ls->section);
d34c1c51 1900 if (strchr (lname, '\$') == NULL)
5ba47421
AM
1901 {
1902 if (found_dollar)
1903 break;
1904 }
1905 else
1906 {
b34976b6 1907 found_dollar = TRUE;
afd7a018 1908 if (strcmp (orig_secname, lname) < 0)
5ba47421
AM
1909 break;
1910 }
1911 }
1912 }
1913
1914 if (add_child.head != NULL)
1915 {
bba1a0c0 1916 add_child.head->header.next = *pl;
5ba47421
AM
1917 *pl = add_child.head;
1918 }
1919 }
252b5132 1920
c2edb4b8 1921 return os;
252b5132
RH
1922}
1923
b34976b6 1924static bfd_boolean
0c7a8e5a
AM
1925gld_${EMULATION_NAME}_open_dynamic_archive
1926 (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
1927 lang_input_statement_type *entry)
690a460e 1928{
45e948fe
NC
1929 static const struct
1930 {
1931 const char * format;
1932 bfd_boolean use_prefix;
1933 }
1934 libname_fmt [] =
1935 {
1936 /* Preferred explicit import library for dll's. */
1937 { "lib%s.dll.a", FALSE },
1938 /* Alternate explicit import library for dll's. */
1939 { "%s.dll.a", FALSE },
1940 /* "libfoo.a" could be either an import lib or a static lib.
1941 For backwards compatibility, libfoo.a needs to precede
1942 libfoo.dll and foo.dll in the search. */
1943 { "lib%s.a", FALSE },
92b93329 1944 /* The 'native' spelling of an import lib name is "foo.lib". */
45e948fe
NC
1945 { "%s.lib", FALSE },
1946#ifdef DLL_SUPPORT
1947 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1948 { "%s%s.dll", TRUE },
1949#endif
1950 /* Try "libfoo.dll" (default preferred dll name). */
1951 { "lib%s.dll", FALSE },
1952 /* Finally try 'native' dll name "foo.dll". */
1953 { "%s.dll", FALSE },
1954 /* Note: If adding more formats to this table, make sure to check to
1955 see if their length is longer than libname_fmt[0].format, and if
1956 so, update the call to xmalloc() below. */
1957 { NULL, FALSE }
1958 };
b1d9458a 1959 static unsigned int format_max_len = 0;
690a460e 1960 const char * filename;
45e948fe
NC
1961 char * full_string;
1962 char * base_string;
1963 unsigned int i;
1964
690a460e
NC
1965
1966 if (! entry->is_archive)
b34976b6 1967 return FALSE;
690a460e
NC
1968
1969 filename = entry->filename;
1970
b1d9458a
NC
1971 if (format_max_len == 0)
1972 /* We need to allow space in the memory that we are going to allocate
1973 for the characters in the format string. Since the format array is
1974 static we only need to calculate this information once. In theory
1975 this value could also be computed statically, but this introduces
1976 the possibility for a discrepancy and hence a possible memory
1977 corruption. The lengths we compute here will be too long because
1978 they will include any formating characters (%s) in the strings, but
1979 this will not matter. */
1980 for (i = 0; libname_fmt[i].format; i++)
1981 if (format_max_len < strlen (libname_fmt[i].format))
1982 format_max_len = strlen (libname_fmt[i].format);
1983
45e948fe
NC
1984 full_string = xmalloc (strlen (search->name)
1985 + strlen (filename)
b1d9458a 1986 + format_max_len
b9a69188 1987#ifdef DLL_SUPPORT
45e948fe
NC
1988 + (pe_dll_search_prefix
1989 ? strlen (pe_dll_search_prefix) : 0)
b9a69188 1990#endif
b1d9458a
NC
1991 /* Allow for the terminating NUL and for the path
1992 separator character that is inserted between
1993 search->name and the start of the format string. */
1994 + 2);
690a460e 1995
45e948fe
NC
1996 sprintf (full_string, "%s/", search->name);
1997 base_string = full_string + strlen (full_string);
690a460e 1998
45e948fe 1999 for (i = 0; libname_fmt[i].format; i++)
690a460e 2000 {
92b93329 2001#ifdef DLL_SUPPORT
45e948fe 2002 if (libname_fmt[i].use_prefix)
1af699f4 2003 {
45e948fe
NC
2004 if (!pe_dll_search_prefix)
2005 continue;
2006 sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
1af699f4 2007 }
45e948fe
NC
2008 else
2009#endif
2010 sprintf (base_string, libname_fmt[i].format, filename);
2011
2012 if (ldfile_try_open_bfd (full_string, entry))
2013 break;
2014 }
2015
2016 if (!libname_fmt[i].format)
2017 {
2018 free (full_string);
2019 return FALSE;
690a460e 2020 }
602e90d3 2021
45e948fe 2022 entry->filename = full_string;
690a460e 2023
b34976b6 2024 return TRUE;
690a460e
NC
2025}
2026
344a211f 2027static int
0c7a8e5a
AM
2028gld_${EMULATION_NAME}_find_potential_libraries
2029 (char *name, lang_input_statement_type *entry)
344a211f
NC
2030{
2031 return ldfile_open_file_search (name, entry, "", ".lib");
2032}
252b5132
RH
2033\f
2034static char *
0c7a8e5a 2035gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2036EOF
2037# Scripts compiled in.
2038# sed commands to quote an ld script as a C string.
597e2591 2039sc="-f stringify.sed"
252b5132 2040
92b93329 2041fragment <<EOF
3fc90ddb 2042{
252b5132
RH
2043 *isfile = 0;
2044
1049f94e 2045 if (link_info.relocatable && config.build_constructors)
252b5132
RH
2046 return
2047EOF
1af699f4
AM
2048sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2049echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2050sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2051echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2052sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
2053echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2054sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0
NC
2055if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
2056echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
2057sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
2058fi
1af699f4
AM
2059echo ' ; else return' >> e${EMULATION_NAME}.c
2060sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2061echo '; }' >> e${EMULATION_NAME}.c
252b5132 2062
92b93329 2063fragment <<EOF
252b5132
RH
2064
2065
3fc90ddb 2066struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
2067{
2068 gld_${EMULATION_NAME}_before_parse,
2069 syslib_default,
2070 hll_default,
2071 gld_${EMULATION_NAME}_after_parse,
2072 gld_${EMULATION_NAME}_after_open,
2073 after_allocation_default,
2074 set_output_arch_default,
2075 ldemul_default_target,
2076 gld_${EMULATION_NAME}_before_allocation,
2077 gld_${EMULATION_NAME}_get_script,
2078 "${EMULATION_NAME}",
2079 "${OUTPUT_FORMAT}",
4cd89863
NC
2080 gld_${EMULATION_NAME}_finish,
2081 NULL, /* Create output section statements. */
690a460e 2082 gld_${EMULATION_NAME}_open_dynamic_archive,
252b5132
RH
2083 gld_${EMULATION_NAME}_place_orphan,
2084 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
2085 NULL, /* parse_args */
2086 gld${EMULATION_NAME}_add_options,
2087 gld${EMULATION_NAME}_handle_option,
252b5132
RH
2088 gld_${EMULATION_NAME}_unrecognized_file,
2089 gld_${EMULATION_NAME}_list_options,
344a211f 2090 gld_${EMULATION_NAME}_recognized_file,
fac1652d 2091 gld_${EMULATION_NAME}_find_potential_libraries,
4cd89863 2092 NULL /* new_vers_pattern. */
252b5132
RH
2093};
2094EOF
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