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[deliverable/binutils-gdb.git] / ld / emultempl / pep.em
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99ad8390
NC		 1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
99ad8390
NC		 3if [ -z "$MACHINE" ]; then
4 OUTPUT_ARCH=${ARCH}
5else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7fi
8rm -f e${EMULATION_NAME}.c
9(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
92b93329 10fragment <<EOF
66be1055 11/* Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
2e57b2af 12 Free Software Foundation, Inc.
f96b4a7b
NC		 13 Written by Kai Tietz, OneVision Software GmbH&CoKg.
14
15 This file is part of the GNU Binutils.
99ad8390
NC		 16
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
99ad8390
NC		 20 (at your option) any later version.
21
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.
26
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
99ad8390
NC		 32
33/* For WINDOWS_XP64 and higher */
34/* Based on pe.em, but modified for 64 bit support. */
35
36#define TARGET_IS_${EMULATION_NAME}
37
38#define COFF_IMAGE_WITH_PE
39#define COFF_WITH_PE
40#define COFF_WITH_pex64
41
99ad8390 42#include "sysdep.h"
3db64b00 43#include "bfd.h"
99ad8390
NC		 44#include "bfdlink.h"
45#include "getopt.h"
46#include "libiberty.h"
42627821 47#include "filenames.h"
99ad8390
NC		 48#include "ld.h"
49#include "ldmain.h"
50#include "ldexp.h"
51#include "ldlang.h"
52#include "ldfile.h"
53#include "ldemul.h"
54#include <ldgram.h>
55#include "ldlex.h"
56#include "ldmisc.h"
57#include "ldctor.h"
58#include "coff/internal.h"
59
60/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
61 header in generic PE code. */
62#include "coff/x86_64.h"
63#include "coff/pe.h"
64
65/* FIXME: This is a BFD internal header file, and we should not be
66 using it here. */
67#include "../bfd/libcoff.h"
68
69#undef AOUTSZ
70#define AOUTSZ PEPAOUTSZ
71#define PEAOUTHDR PEPAOUTHDR
72
73#include "deffile.h"
74#include "pep-dll.h"
75#include "safe-ctype.h"
76
77/* Permit the emulation parameters to override the default section
78 alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
79 it seem that include/coff/internal.h should not define
80 PE_DEF_SECTION_ALIGNMENT. */
81#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
82#undef PE_DEF_SECTION_ALIGNMENT
83#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
84#endif
85
86#ifdef TARGET_IS_i386pep
87#define DLL_SUPPORT
88#endif
89
90#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
91#define PE_DEF_SUBSYSTEM 3
92#else
93#undef NT_EXE_IMAGE_BASE
94#define NT_EXE_IMAGE_BASE 0x00010000
95#undef PE_DEF_SECTION_ALIGNMENT
96#define PE_DEF_SUBSYSTEM 2
97#undef PE_DEF_FILE_ALIGNMENT
98#define PE_DEF_FILE_ALIGNMENT 0x00000200
99#define PE_DEF_SECTION_ALIGNMENT 0x00000400
100#endif
101
99ad8390
NC		 102static struct internal_extra_pe_aouthdr pep;
103static int dll;
decfa41e 104static int pep_subsystem = ${SUBSYSTEM};
99ad8390
NC		 105static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
106static int support_old_code = 0;
107static lang_assignment_statement_type *image_base_statement = 0;
2f563b51 108static unsigned short pe_dll_characteristics = 0;
99ad8390
NC		 109
110#ifdef DLL_SUPPORT
880383ca 111static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
99ad8390
NC		 112static char * pep_out_def_filename = NULL;
113static char * pep_implib_filename = NULL;
114static int pep_enable_auto_image_base = 0;
115static char * pep_dll_search_prefix = NULL;
116#endif
117
118extern const char *output_filename;
119
d74720d2 120static int is_underscoring (void)
99ad8390 121{
d74720d2
KT		 122 int u = 0;
123 if (pep_leading_underscore != -1)
124 return pep_leading_underscore;
125 if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
b804e4af
KT		 126 bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
127
128 if (u == -1)
129 abort ();
d74720d2
KT		 130 pep_leading_underscore = (u != 0 ? 1 : 0);
131 return pep_leading_underscore;
132}
b804e4af 133
d74720d2
KT		 134
135static void
136gld_${EMULATION_NAME}_before_parse (void)
137{
138 is_underscoring ();
99ad8390
NC		 139 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
140 output_filename = "${EXECUTABLE_NAME:-a.exe}";
141#ifdef DLL_SUPPORT
66be1055 142 input_flags.dynamic = TRUE;
99ad8390 143 config.has_shared = 1;
6ec6c79c 144 link_info.pei386_auto_import = 1;
6cb442d3 145 link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
99ad8390
NC		 146#endif
147}
148\f
149/* PE format extra command line options. */
150
151/* Used for setting flags in the PE header. */
152enum options
153{
154 OPTION_BASE_FILE = 300 + 1,
155 OPTION_DLL,
156 OPTION_FILE_ALIGNMENT,
157 OPTION_IMAGE_BASE,
158 OPTION_MAJOR_IMAGE_VERSION,
159 OPTION_MAJOR_OS_VERSION,
160 OPTION_MAJOR_SUBSYSTEM_VERSION,
161 OPTION_MINOR_IMAGE_VERSION,
162 OPTION_MINOR_OS_VERSION,
163 OPTION_MINOR_SUBSYSTEM_VERSION,
164 OPTION_SECTION_ALIGNMENT,
165 OPTION_STACK,
166 OPTION_SUBSYSTEM,
167 OPTION_HEAP,
168 OPTION_SUPPORT_OLD_CODE,
169 OPTION_OUT_DEF,
170 OPTION_EXPORT_ALL,
171 OPTION_EXCLUDE_SYMBOLS,
2927aaca 172 OPTION_EXCLUDE_ALL_SYMBOLS,
99ad8390
NC		 173 OPTION_KILL_ATS,
174 OPTION_STDCALL_ALIASES,
175 OPTION_ENABLE_STDCALL_FIXUP,
176 OPTION_DISABLE_STDCALL_FIXUP,
177 OPTION_IMPLIB_FILENAME,
178 OPTION_WARN_DUPLICATE_EXPORTS,
179 OPTION_IMP_COMPAT,
180 OPTION_ENABLE_AUTO_IMAGE_BASE,
181 OPTION_DISABLE_AUTO_IMAGE_BASE,
182 OPTION_DLL_SEARCH_PREFIX,
183 OPTION_NO_DEFAULT_EXCLUDES,
184 OPTION_DLL_ENABLE_AUTO_IMPORT,
185 OPTION_DLL_DISABLE_AUTO_IMPORT,
186 OPTION_ENABLE_EXTRA_PE_DEBUG,
187 OPTION_EXCLUDE_LIBS,
188 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
6cb442d3 189 OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
e1c37eb5 190 OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
ce11ba6c 191 OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
88183869 192 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
522f09cd
KT		 193 OPTION_NO_LEADING_UNDERSCORE,
194 OPTION_LEADING_UNDERSCORE,
88183869 195 OPTION_ENABLE_LONG_SECTION_NAMES,
2f563b51
DK		 196 OPTION_DISABLE_LONG_SECTION_NAMES,
197 OPTION_DYNAMIC_BASE,
198 OPTION_FORCE_INTEGRITY,
199 OPTION_NX_COMPAT,
200 OPTION_NO_ISOLATION,
201 OPTION_NO_SEH,
202 OPTION_NO_BIND,
203 OPTION_WDM_DRIVER,
204 OPTION_TERMINAL_SERVER_AWARE
99ad8390
NC		 205};
206
207static void
208gld${EMULATION_NAME}_add_options
209 (int ns ATTRIBUTE_UNUSED,
210 char **shortopts ATTRIBUTE_UNUSED,
211 int nl,
212 struct option **longopts,
213 int nrl ATTRIBUTE_UNUSED,
214 struct option **really_longopts ATTRIBUTE_UNUSED)
215{
216 static const struct option xtra_long[] =
217 {
218 /* PE options */
219 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
220 {"dll", no_argument, NULL, OPTION_DLL},
221 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
222 {"heap", required_argument, NULL, OPTION_HEAP},
223 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
224 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
225 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
226 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
227 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
228 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
229 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
230 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
231 {"stack", required_argument, NULL, OPTION_STACK},
232 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
233 {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
ce11ba6c
KT		 234 {"use-nul-prefixed-import-tables", no_argument, NULL,
235 OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
522f09cd
KT		 236 {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
237 {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
99ad8390
NC		 238#ifdef DLL_SUPPORT
239 /* getopt allows abbreviations, so we do this to stop it
240 from treating -o as an abbreviation for this option. */
241 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
242 {"output-def", required_argument, NULL, OPTION_OUT_DEF},
243 {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
244 {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
2927aaca 245 {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
99ad8390 246 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
e1c37eb5 247 {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
99ad8390
NC		 248 {"kill-at", no_argument, NULL, OPTION_KILL_ATS},
249 {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
250 {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
251 {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
252 {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
253 {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
254 /* getopt() allows abbreviations, so we do this to stop it from
255 treating -c as an abbreviation for these --compat-implib. */
256 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
257 {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
258 {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
259 {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
260 {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
261 {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
262 {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
263 {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
264 {"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
265 {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
266 {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
6cb442d3 267 {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
99ad8390 268#endif
88183869
DK		 269 {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
270 {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
2f563b51
DK		 271 {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
272 {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
273 {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
274 {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
275 {"no-seh", no_argument, NULL, OPTION_NO_SEH},
276 {"no-bind", no_argument, NULL, OPTION_NO_BIND},
277 {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
d127ecce
AM		 278 {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
279 {NULL, no_argument, NULL, 0}
99ad8390
NC		 280 };
281
d127ecce
AM		 282 *longopts
283 = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
99ad8390
NC		 284 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
285}
286
287/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
288 parameters which may be input from the command line. */
289
290typedef struct
291{
292 void *ptr;
293 int size;
0ead4f8d 294 bfd_vma value;
99ad8390
NC		 295 char *symbol;
296 int inited;
522f09cd
KT		 297 /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
298 C visible symbols can be prefixed by underscore dependent on target's
299 settings. */
300 bfd_boolean is_c_symbol;
99ad8390
NC		 301} definfo;
302
522f09cd
KT		 303#define GET_INIT_SYMBOL_NAME(IDX) \
304 (init[(IDX)].symbol \
d74720d2 305 + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () == 1)) ? 0 : 1))
522f09cd
KT		 306
307/* Decorates the C visible symbol by underscore, if target requires. */
308#define U(CSTR) \
d74720d2 309 ((is_underscoring () == 0) ? CSTR : "_" CSTR)
522f09cd
KT		 310
311/* Get size of constant string for a possible underscore prefixed
312 C visible symbol. */
313#define U_SIZE(CSTR) \
d74720d2 314 (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
522f09cd
KT		 315
316#define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
99ad8390
NC		 317
318static definfo init[] =
319{
320 /* imagebase must be first */
321#define IMAGEBASEOFF 0
522f09cd 322 D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
99ad8390 323#define DLLOFF 1
522f09cd 324 {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
99ad8390 325#define MSIMAGEBASEOFF 2
522f09cd
KT		 326 D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
327 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
328 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
329 D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
330 D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
331 D(MajorImageVersion,"__major_image_version__", 0, FALSE),
332 D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
333 D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
334 D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
335 D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
336 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
337 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
338 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
339 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
340 D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
341 D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
342 { NULL, 0, 0, NULL, 0, FALSE}
99ad8390
NC		 343};
344
345
346static void
347gld_${EMULATION_NAME}_list_options (FILE *file)
348{
349 fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n"));
350 fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
351 fprintf (file, _(" --file-alignment <size> Set file alignment\n"));
352 fprintf (file, _(" --heap <size> Set initial size of the heap\n"));
353 fprintf (file, _(" --image-base <address> Set start address of the executable\n"));
354 fprintf (file, _(" --major-image-version <number> Set version number of the executable\n"));
355 fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n"));
356 fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n"));
357 fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n"));
358 fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n"));
359 fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n"));
360 fprintf (file, _(" --section-alignment <size> Set section alignment\n"));
361 fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
362 fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
363 fprintf (file, _(" --support-old-code Support interworking with old code\n"));
522f09cd 364 fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
99ad8390
NC		 365#ifdef DLL_SUPPORT
366 fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
367 fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
368 fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
369 fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
2927aaca 370 fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
99ad8390 371 fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
e1c37eb5
DK		 372 fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
373 fprintf (file, _(" Exclude objects, archive members from auto\n"));
374 fprintf (file, _(" export, place into import library instead.\n"));
99ad8390
NC		 375 fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
376 fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
377 fprintf (file, _(" --out-implib <file> Generate import library\n"));
378 fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n"));
379 fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
380 fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
381 create __imp_<SYMBOL> as well.\n"));
382 fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
383 unless user specifies one\n"));
384 fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
385 fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
386 an importlib, use <string><basename>.dll\n\
387 in preference to lib<basename>.dll \n"));
c85f715a 388 fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
99ad8390
NC		 389 __imp_sym for DATA references\n"));
390 fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
391 fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
392 adding pseudo-relocations resolved at\n\
393 runtime.\n"));
394 fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
395 auto-imported DATA.\n"));
396 fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
397 or linking to DLLs (esp. auto-import)\n"));
88183869
DK		 398 fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
399 executable image files\n"));
400 fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
401 in object files\n"));
2f563b51
DK		 402 fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
403 address space layout randomization (ASLR)\n"));
404 fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
405 fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
406 fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
407 fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
408 be called in this image\n"));
d127ecce 409 fprintf (file, _(" --no-bind Do not bind this image\n"));
2f563b51 410 fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
522f09cd 411 fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
99ad8390
NC		 412#endif
413}
414
415
416static void
0ead4f8d 417set_pep_name (char *name, bfd_vma val)
99ad8390 418{
d74720d2
KT		 419 int i;
420 is_underscoring ();
99ad8390
NC		 421 /* Find the name and set it. */
422 for (i = 0; init[i].ptr; i++)
423 {
522f09cd 424 if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
99ad8390
NC		 425 {
426 init[i].value = val;
427 init[i].inited = 1;
428 if (strcmp (name,"__image_base__") == 0)
522f09cd 429 set_pep_name (U ("__ImageBase"), val);
99ad8390
NC		 430 return;
431 }
432 }
433 abort ();
434}
435
decfa41e
KT		 436static void
437set_entry_point (void)
438{
439 const char *entry;
440 const char *initial_symbol_char;
d74720d2 441 int i;
decfa41e
KT		 442
443 static const struct
444 {
445 const int value;
446 const char *entry;
447 }
448 v[] =
449 {
450 { 1, "NtProcessStartup" },
451 { 2, "WinMainCRTStartup" },
452 { 3, "mainCRTStartup" },
453 { 7, "__PosixProcessStartup" },
454 { 9, "WinMainCRTStartup" },
455 {14, "mainCRTStartup" },
456 { 0, NULL }
457 };
458
459 /* Entry point name for arbitrary subsystem numbers. */
460 static const char default_entry[] = "mainCRTStartup";
461
462 if (link_info.shared || dll)
463 {
464 entry = "DllMainCRTStartup";
465 }
466 else
467 {
468 for (i = 0; v[i].entry; i++)
469 if (v[i].value == pep_subsystem)
470 break;
471
472 /* If no match, use the default. */
473 if (v[i].entry != NULL)
474 entry = v[i].entry;
475 else
476 entry = default_entry;
477 }
478
522f09cd 479 /* Now we check target's default for getting proper symbol_char. */
d74720d2 480 initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
522f09cd 481
decfa41e
KT		 482 if (*initial_symbol_char != '\0')
483 {
484 char *alc_entry;
485
486 /* lang_default_entry expects its argument to be permanently
487 allocated, so we don't free this string. */
488 alc_entry = xmalloc (strlen (initial_symbol_char)
489 + strlen (entry)
490 + 1);
491 strcpy (alc_entry, initial_symbol_char);
492 strcat (alc_entry, entry);
493 entry = alc_entry;
494 }
495
496 lang_default_entry (entry);
497}
99ad8390
NC		 498
499static void
500set_pep_subsystem (void)
501{
502 const char *sver;
99ad8390
NC		 503 char *end;
504 int len;
505 int i;
99ad8390
NC		 506 unsigned long temp_subsystem;
507 static const struct
508 {
509 const char *name;
510 const int value;
99ad8390
NC		 511 }
512 v[] =
513 {
decfa41e
KT		 514 { "native", 1 },
515 { "windows", 2 },
516 { "console", 3 },
517 { "posix", 7 },
518 { "wince", 9 },
519 { "xbox", 14 },
520 { NULL, 0 }
99ad8390 521 };
99ad8390
NC		 522
523 /* Check for the presence of a version number. */
524 sver = strchr (optarg, ':');
525 if (sver == NULL)
526 len = strlen (optarg);
527 else
528 {
529 len = sver - optarg;
530 set_pep_name ("__major_subsystem_version__",
531 strtoul (sver + 1, &end, 0));
532 if (*end == '.')
533 set_pep_name ("__minor_subsystem_version__",
534 strtoul (end + 1, &end, 0));
535 if (*end != '\0')
536 einfo (_("%P: warning: bad version number in -subsystem option\n"));
537 }
538
539 /* Check for numeric subsystem. */
540 temp_subsystem = strtoul (optarg, & end, 0);
541 if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
542 {
543 /* Search list for a numeric match to use its entry point. */
544 for (i = 0; v[i].name; i++)
545 if (v[i].value == (int) temp_subsystem)
546 break;
547
99ad8390 548 /* Use this subsystem. */
decfa41e 549 pep_subsystem = (int) temp_subsystem;
99ad8390
NC		 550 }
551 else
552 {
553 /* Search for subsystem by name. */
554 for (i = 0; v[i].name; i++)
555 if (strncmp (optarg, v[i].name, len) == 0
556 && v[i].name[len] == '\0')
557 break;
558
559 if (v[i].name == NULL)
560 {
561 einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
562 return;
563 }
564
decfa41e 565 pep_subsystem = v[i].value;
99ad8390
NC		 566 }
567
decfa41e 568 set_pep_name ("__subsystem__", pep_subsystem);
99ad8390
NC		 569
570 return;
571}
572
573
574static void
575set_pep_value (char *name)
576{
577 char *end;
578
0ead4f8d 579 set_pep_name (name, (bfd_vma) strtoull (optarg, &end, 0));
99ad8390
NC		 580
581 if (end == optarg)
582 einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
583
584 optarg = end;
585}
586
587
588static void
589set_pep_stack_heap (char *resname, char *comname)
590{
591 set_pep_value (resname);
592
593 if (*optarg == ',')
594 {
595 optarg++;
596 set_pep_value (comname);
597 }
598 else if (*optarg)
599 einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
600}
601
602
603static bfd_boolean
604gld${EMULATION_NAME}_handle_option (int optc)
605{
d74720d2 606 is_underscoring ();
99ad8390
NC		 607 switch (optc)
608 {
609 default:
610 return FALSE;
611
612 case OPTION_BASE_FILE:
613 link_info.base_file = fopen (optarg, FOPEN_WB);
614 if (link_info.base_file == NULL)
e922bcab 615 einfo (_("%F%P: cannot open base file %s\n"), optarg);
99ad8390
NC		 616 break;
617
618 /* PE options. */
619 case OPTION_HEAP:
620 set_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
621 break;
622 case OPTION_STACK:
623 set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
624 break;
625 case OPTION_SUBSYSTEM:
626 set_pep_subsystem ();
627 break;
628 case OPTION_MAJOR_OS_VERSION:
629 set_pep_value ("__major_os_version__");
630 break;
631 case OPTION_MINOR_OS_VERSION:
632 set_pep_value ("__minor_os_version__");
633 break;
634 case OPTION_MAJOR_SUBSYSTEM_VERSION:
635 set_pep_value ("__major_subsystem_version__");
636 break;
637 case OPTION_MINOR_SUBSYSTEM_VERSION:
638 set_pep_value ("__minor_subsystem_version__");
639 break;
640 case OPTION_MAJOR_IMAGE_VERSION:
641 set_pep_value ("__major_image_version__");
642 break;
643 case OPTION_MINOR_IMAGE_VERSION:
644 set_pep_value ("__minor_image_version__");
645 break;
646 case OPTION_FILE_ALIGNMENT:
647 set_pep_value ("__file_alignment__");
648 break;
649 case OPTION_SECTION_ALIGNMENT:
650 set_pep_value ("__section_alignment__");
651 break;
652 case OPTION_DLL:
653 set_pep_name ("__dll__", 1);
654 break;
655 case OPTION_IMAGE_BASE:
656 set_pep_value ("__image_base__");
657 break;
658 case OPTION_SUPPORT_OLD_CODE:
659 support_old_code = 1;
660 break;
ce11ba6c
KT		 661 case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
662 pep_use_nul_prefixed_import_tables = TRUE;
663 break;
522f09cd
KT		 664 case OPTION_NO_LEADING_UNDERSCORE:
665 pep_leading_underscore = 0;
666 break;
667 case OPTION_LEADING_UNDERSCORE:
668 pep_leading_underscore = 1;
669 break;
99ad8390
NC		 670#ifdef DLL_SUPPORT
671 case OPTION_OUT_DEF:
672 pep_out_def_filename = xstrdup (optarg);
673 break;
674 case OPTION_EXPORT_ALL:
675 pep_dll_export_everything = 1;
676 break;
677 case OPTION_EXCLUDE_SYMBOLS:
e1c37eb5 678 pep_dll_add_excludes (optarg, EXCLUDESYMS);
99ad8390 679 break;
2927aaca
NC		 680 case OPTION_EXCLUDE_ALL_SYMBOLS:
681 pep_dll_exclude_all_symbols = 1;
682 break;
99ad8390 683 case OPTION_EXCLUDE_LIBS:
e1c37eb5
DK		 684 pep_dll_add_excludes (optarg, EXCLUDELIBS);
685 break;
686 case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
687 pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
99ad8390
NC		 688 break;
689 case OPTION_KILL_ATS:
690 pep_dll_kill_ats = 1;
691 break;
692 case OPTION_STDCALL_ALIASES:
693 pep_dll_stdcall_aliases = 1;
694 break;
695 case OPTION_ENABLE_STDCALL_FIXUP:
696 pep_enable_stdcall_fixup = 1;
697 break;
698 case OPTION_DISABLE_STDCALL_FIXUP:
699 pep_enable_stdcall_fixup = 0;
700 break;
701 case OPTION_IMPLIB_FILENAME:
702 pep_implib_filename = xstrdup (optarg);
703 break;
704 case OPTION_WARN_DUPLICATE_EXPORTS:
705 pep_dll_warn_dup_exports = 1;
706 break;
707 case OPTION_IMP_COMPAT:
708 pep_dll_compat_implib = 1;
709 break;
710 case OPTION_ENABLE_AUTO_IMAGE_BASE:
711 pep_enable_auto_image_base = 1;
712 break;
713 case OPTION_DISABLE_AUTO_IMAGE_BASE:
714 pep_enable_auto_image_base = 0;
715 break;
716 case OPTION_DLL_SEARCH_PREFIX:
717 pep_dll_search_prefix = xstrdup (optarg);
718 break;
719 case OPTION_NO_DEFAULT_EXCLUDES:
720 pep_dll_do_default_excludes = 0;
721 break;
722 case OPTION_DLL_ENABLE_AUTO_IMPORT:
723 link_info.pei386_auto_import = 1;
724 break;
725 case OPTION_DLL_DISABLE_AUTO_IMPORT:
726 link_info.pei386_auto_import = 0;
727 break;
728 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
6cb442d3 729 link_info.pei386_runtime_pseudo_reloc = 2;
99ad8390
NC		 730 break;
731 case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
732 link_info.pei386_runtime_pseudo_reloc = 0;
733 break;
6cb442d3
KT		 734 case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
735 link_info.pei386_runtime_pseudo_reloc = 2;
736 break;
99ad8390
NC		 737 case OPTION_ENABLE_EXTRA_PE_DEBUG:
738 pep_dll_extra_pe_debug = 1;
739 break;
740#endif
88183869
DK		 741 case OPTION_ENABLE_LONG_SECTION_NAMES:
742 pep_use_coff_long_section_names = 1;
743 break;
744 case OPTION_DISABLE_LONG_SECTION_NAMES:
745 pep_use_coff_long_section_names = 0;
746 break;
2f563b51
DK		 747 /* Get DLLCharacteristics bits */
748 case OPTION_DYNAMIC_BASE:
749 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
750 break;
751 case OPTION_FORCE_INTEGRITY:
752 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
753 break;
754 case OPTION_NX_COMPAT:
755 pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
756 break;
757 case OPTION_NO_ISOLATION:
758 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
759 break;
760 case OPTION_NO_SEH:
761 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
762 break;
763 case OPTION_NO_BIND:
764 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
765 break;
766 case OPTION_WDM_DRIVER:
767 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
768 break;
769 case OPTION_TERMINAL_SERVER_AWARE:
770 pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
771 break;
99ad8390 772 }
2f563b51
DK		 773
774 /* Set DLLCharacteristics bits */
775 set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
776
99ad8390
NC		 777 return TRUE;
778}
779\f
780
781#ifdef DLL_SUPPORT
782static unsigned long
783strhash (const char *str)
784{
785 const unsigned char *s;
786 unsigned long hash;
787 unsigned int c;
788 unsigned int len;
789
790 hash = 0;
791 len = 0;
792 s = (const unsigned char *) str;
793 while ((c = *s++) != '\0')
794 {
795 hash += c + (c << 17);
796 hash ^= hash >> 2;
797 ++len;
798 }
799 hash += len + (len << 17);
800 hash ^= hash >> 2;
801
802 return hash;
803}
804
805/* Use the output file to create a image base for relocatable DLLs. */
806
0ead4f8d 807static bfd_vma
99ad8390
NC		 808compute_dll_image_base (const char *ofile)
809{
0ead4f8d 810 bfd_vma hash = (bfd_vma) strhash (ofile);
99ad8390
NC		 811 return 0x61300000 + ((hash << 16) & 0x0FFC0000);
812}
813#endif
814
815/* Assign values to the special symbols before the linker script is
816 read. */
817
818static void
819gld_${EMULATION_NAME}_set_symbols (void)
820{
821 /* Run through and invent symbols for all the
822 names and insert the defaults. */
d74720d2 823 int j;
b804e4af 824
d74720d2 825 is_underscoring ();
99ad8390
NC		 826
827 if (!init[IMAGEBASEOFF].inited)
828 {
829 if (link_info.relocatable)
830 init[IMAGEBASEOFF].value = 0;
831 else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
d127ecce 832 {
99ad8390 833#ifdef DLL_SUPPORT
d127ecce
AM		 834 init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
835 ? compute_dll_image_base (output_filename)
836 : NT_DLL_IMAGE_BASE);
99ad8390 837#else
d127ecce 838 init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
99ad8390 839#endif
d127ecce 840 }
99ad8390
NC		 841 else
842 init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
d127ecce 843 init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
99ad8390
NC		 844 }
845
846 /* Don't do any symbol assignments if this is a relocatable link. */
847 if (link_info.relocatable)
848 return;
849
850 /* Glue the assignments into the abs section. */
bde18da4 851 push_stat_ptr (&abs_output_section->children);
99ad8390
NC		 852
853 for (j = 0; init[j].ptr; j++)
854 {
0ead4f8d 855 bfd_vma val = init[j].value;
99ad8390 856 lang_assignment_statement_type *rv;
522f09cd 857
2e57b2af 858 rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
eb8476a6 859 exp_intop (val), FALSE));
99ad8390 860 if (init[j].size == sizeof (short))
0ead4f8d 861 *(short *) init[j].ptr = (short) val;
99ad8390 862 else if (init[j].size == sizeof (int))
0ead4f8d 863 *(int *) init[j].ptr = (int) val;
99ad8390 864 else if (init[j].size == sizeof (long))
0ead4f8d 865 *(long *) init[j].ptr = (long) val;
99ad8390
NC		 866 /* This might be a long long or other special type. */
867 else if (init[j].size == sizeof (bfd_vma))
868 *(bfd_vma *) init[j].ptr = val;
869 else abort ();
870 if (j == IMAGEBASEOFF)
871 image_base_statement = rv;
872 }
873 /* Restore the pointer. */
bde18da4 874 pop_stat_ptr ();
99ad8390
NC		 875
876 if (pep.FileAlignment > pep.SectionAlignment)
877 {
878 einfo (_("%P: warning, file alignment > section alignment.\n"));
879 }
880}
881
882/* This is called after the linker script and the command line options
883 have been read. */
884
885static void
886gld_${EMULATION_NAME}_after_parse (void)
887{
8b747e1a
DK		 888 /* PR ld/6744: Warn the user if they have used an ELF-only
889 option hoping it will work on PE+. */
890 if (link_info.export_dynamic)
891 einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
892 "targets, did you mean --export-all-symbols?\n"));
97b11f40 893
decfa41e
KT		 894 set_entry_point ();
895
97b11f40 896 after_parse_default ();
99ad8390
NC		 897}
898
899/* pep-dll.c directly accesses pep_data_import_dll,
900 so it must be defined outside of #ifdef DLL_SUPPORT.
901 Note - this variable is deliberately not initialised.
902 This allows it to be treated as a common varaible, and only
903 exist in one incarnation in a multiple target enabled linker. */
904char * pep_data_import_dll;
905
906#ifdef DLL_SUPPORT
907static struct bfd_link_hash_entry *pep_undef_found_sym;
908
909static bfd_boolean
910pep_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
911{
912 int sl;
913 char *string = inf;
8a9eab9b 914 const char *hs = h->root.string;
99ad8390
NC		 915
916 sl = strlen (string);
917 if (h->type == bfd_link_hash_defined
8a9eab9b
KT		 918 && ((*hs == '@' && *string == '_'
919 && strncmp (hs + 1, string + 1, sl - 1) == 0)
920 || strncmp (hs, string, sl) == 0)
99ad8390
NC		 921 && h->root.string[sl] == '@')
922 {
923 pep_undef_found_sym = h;
924 return FALSE;
925 }
926 return TRUE;
927}
928
929static void
930pep_fixup_stdcalls (void)
931{
932 static int gave_warning_message = 0;
933 struct bfd_link_hash_entry *undef, *sym;
934
935 if (pep_dll_extra_pe_debug)
936 printf ("%s\n", __FUNCTION__);
937
938 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
939 if (undef->type == bfd_link_hash_undefined)
940 {
941 char* at = strchr (undef->root.string, '@');
942 int lead_at = (*undef->root.string == '@');
8a9eab9b
KT		 943 if (lead_at)
944 at = strchr (undef->root.string + 1, '@');
945 if (at || lead_at)
99ad8390
NC		 946 {
947 /* The symbol is a stdcall symbol, so let's look for a
948 cdecl symbol with the same name and resolve to that. */
8a9eab9b
KT		 949 char *cname = xstrdup (undef->root.string);
950
951 if (lead_at)
952 *cname = '_';
99ad8390 953 at = strchr (cname, '@');
8a9eab9b
KT		 954 if (at)
955 *at = 0;
99ad8390
NC		 956 sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
957
958 if (sym && sym->type == bfd_link_hash_defined)
959 {
960 undef->type = bfd_link_hash_defined;
961 undef->u.def.value = sym->u.def.value;
962 undef->u.def.section = sym->u.def.section;
963
964 if (pep_enable_stdcall_fixup == -1)
965 {
966 einfo (_("Warning: resolving %s by linking to %s\n"),
967 undef->root.string, cname);
968 if (! gave_warning_message)
969 {
970 gave_warning_message = 1;
971 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
972 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
973 }
974 }
975 }
976 }
977 else
978 {
979 /* The symbol is a cdecl symbol, so we look for stdcall
980 symbols - which means scanning the whole symbol table. */
981 pep_undef_found_sym = 0;
982 bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
983 (char *) undef->root.string);
984 sym = pep_undef_found_sym;
985 if (sym)
986 {
987 undef->type = bfd_link_hash_defined;
988 undef->u.def.value = sym->u.def.value;
989 undef->u.def.section = sym->u.def.section;
990
991 if (pep_enable_stdcall_fixup == -1)
992 {
993 einfo (_("Warning: resolving %s by linking to %s\n"),
994 undef->root.string, sym->root.string);
995 if (! gave_warning_message)
996 {
997 gave_warning_message = 1;
998 einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
999 einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
1000 }
1001 }
1002 }
1003 }
1004 }
1005}
1006
1007static int
1008make_import_fixup (arelent *rel, asection *s)
1009{
1010 struct bfd_symbol *sym = *rel->sym_ptr_ptr;
6cb442d3
KT		 1011 char addend[8];
1012 bfd_vma _addend = 0;
1013 int suc = 0;
99ad8390
NC		 1014
1015 if (pep_dll_extra_pe_debug)
1016 printf ("arelent: %s@%#lx: add=%li\n", sym->name,
0af1713e 1017 (unsigned long) rel->address, (long) rel->addend);
99ad8390 1018
6cb442d3
KT		 1019 memset (addend, 0, sizeof (addend));
1020 switch ((rel->howto->bitsize))
1021 {
1022 case 8:
1023 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
1024 if (suc && rel->howto->pc_relative)
1025 _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
1026 else if (suc)
1027 _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
1028 break;
1029 case 16:
1030 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
1031 if (suc && rel->howto->pc_relative)
1032 _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
1033 else if (suc)
1034 _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
1035 break;
1036 case 32:
1037 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
1038 if (suc && rel->howto->pc_relative)
1039 _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
1040 else if (suc)
1041 _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
1042 break;
1043 case 64:
1044 suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
1045 if (suc)
1046 _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
1047 break;
1048 }
1049 if (! suc)
99ad8390
NC		 1050 einfo (_("%C: Cannot get section contents - auto-import exception\n"),
1051 s->owner, s, rel->address);
1052
6cb442d3
KT		 1053 if (pep_dll_extra_pe_debug)
1054 {
1055 printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
1056 if (rel->howto->pc_relative) printf (" pcrel");
1057 printf (" %d bit rel.\n",(int) rel->howto->bitsize);
1058 }
1059 pep_create_import_fixup (rel, s, _addend);
99ad8390
NC		 1060
1061 return 1;
1062}
1063
1064static void
1065pep_find_data_imports (void)
1066{
1067 struct bfd_link_hash_entry *undef, *sym;
1068
1069 if (link_info.pei386_auto_import == 0)
1070 return;
1071
1072 for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
1073 {
1074 if (undef->type == bfd_link_hash_undefined)
1075 {
1076 /* C++ symbols are *long*. */
1077 char buf[4096];
1078
1079 if (pep_dll_extra_pe_debug)
1080 printf ("%s:%s\n", __FUNCTION__, undef->root.string);
1081
1082 sprintf (buf, "__imp_%s", undef->root.string);
1083
1084 sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
1085
1086 if (sym && sym->type == bfd_link_hash_defined)
1087 {
1088 bfd *b = sym->u.def.section->owner;
1089 asymbol **symbols;
5c1d2f5f 1090 int nsyms, i;
99ad8390 1091
5c1d2f5f
AM		 1092 if (!bfd_generic_link_read_symbols (b))
1093 {
1094 einfo (_("%B%F: could not read symbols: %E\n"), b);
1095 return;
1096 }
1097
1098 symbols = bfd_get_outsymbols (b);
1099 nsyms = bfd_get_symcount (b);
99ad8390
NC		 1100
1101 for (i = 0; i < nsyms; i++)
1102 {
522f09cd 1103 if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
99ad8390
NC		 1104 continue;
1105
1106 if (pep_dll_extra_pe_debug)
1107 printf ("->%s\n", symbols[i]->name);
1108
1109 pep_data_import_dll = (char*) (symbols[i]->name +
522f09cd 1110 U_SIZE ("_head_") - 1);
99ad8390
NC		 1111 break;
1112 }
1113
1114 pep_walk_relocs_of_symbol (&link_info, undef->root.string,
d127ecce 1115 make_import_fixup);
99ad8390
NC		 1116
1117 /* Let's differentiate it somehow from defined. */
1118 undef->type = bfd_link_hash_defweak;
1119 /* We replace original name with __imp_ prefixed, this
1120 1) may trash memory 2) leads to duplicate symbol generation.
1121 Still, IMHO it's better than having name poluted. */
1122 undef->root.string = sym->root.string;
1123 undef->u.def.value = sym->u.def.value;
1124 undef->u.def.section = sym->u.def.section;
1125 }
1126 }
1127 }
1128}
1129
1130static bfd_boolean
1131pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
1132{
80cc85a9 1133 printf ("+%s\n", h->string);
99ad8390
NC		 1134
1135 return TRUE;
1136}
1137#endif /* DLL_SUPPORT */
1138
3efd345c
DK		 1139static void
1140debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
1141{
1142 int *found = (int *) obj;
1143 if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
1144 *found = 1;
1145}
99ad8390
NC		 1146
1147static void
1148gld_${EMULATION_NAME}_after_open (void)
1149{
5c3049d2
AM		 1150 after_open_default ();
1151
d74720d2 1152 is_underscoring ();
99ad8390
NC		 1153#ifdef DLL_SUPPORT
1154 if (pep_dll_extra_pe_debug)
1155 {
1156 bfd *a;
1157 struct bfd_link_hash_entry *sym;
1158
1159 printf ("%s()\n", __FUNCTION__);
1160
1161 for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
1162 printf ("-%s\n", sym->root.string);
1163 bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
1164
1165 for (a = link_info.input_bfds; a; a = a->link_next)
1166 printf ("*%s\n",a->filename);
1167 }
1168#endif
1169
1170 /* Pass the wacky PE command line options into the output bfd.
1171 FIXME: This should be done via a function, rather than by
1172 including an internal BFD header. */
1173
f13a99db
AM		 1174 if (coff_data (link_info.output_bfd) == NULL
1175 || coff_data (link_info.output_bfd)->pe == 0)
1176 einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
1177 link_info.output_bfd);
99ad8390 1178
f13a99db
AM		 1179 pe_data (link_info.output_bfd)->pe_opthdr = pep;
1180 pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
1181 pe_data (link_info.output_bfd)->real_flags |= real_flags;
3efd345c
DK		 1182
1183 /* At this point we must decide whether to use long section names
1184 in the output or not. If the user hasn't explicitly specified
1185 on the command line, we leave it to the default for the format
1186 (object files yes, image files no), except if there is debug
1187 information present; GDB relies on the long section names to
1188 find it, so enable it in that case. */
1189 if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
1190 {
1191 /* Iterate over all sections of all input BFDs, checking
1192 for any that begin 'debug_' and are long names. */
1193 LANG_FOR_EACH_INPUT_STATEMENT (is)
1194 {
1195 int found_debug = 0;
1196 bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
1197 if (found_debug)
1198 {
1199 pep_use_coff_long_section_names = 1;
1200 break;
1201 }
1202 }
1203 }
1204
88183869 1205 pep_output_file_set_long_section_names (link_info.output_bfd);
99ad8390
NC		 1206
1207#ifdef DLL_SUPPORT
1208 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1209 pep_fixup_stdcalls ();
1210
f13a99db 1211 pep_process_import_defs (link_info.output_bfd, &link_info);
99ad8390
NC		 1212
1213 pep_find_data_imports ();
1214
8a9eab9b
KT		 1215 /* As possibly new symbols are added by imports, we rerun
1216 stdcall/fastcall fixup here. */
1217 if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
1218 pep_fixup_stdcalls ();
1219
99ad8390
NC		 1220#ifndef TARGET_IS_i386pep
1221 if (link_info.shared)
1222#else
1223 if (!link_info.relocatable)
1224#endif
f13a99db 1225 pep_dll_build_sections (link_info.output_bfd, &link_info);
99ad8390
NC		 1226
1227#ifndef TARGET_IS_i386pep
1228 else
f13a99db 1229 pep_exe_build_sections (link_info.output_bfd, &link_info);
99ad8390
NC		 1230#endif
1231#endif /* DLL_SUPPORT */
1232
1233 {
1234 /* This next chunk of code tries to detect the case where you have
1235 two import libraries for the same DLL (specifically,
1236 symbolically linking libm.a and libc.a in cygwin to
1237 libcygwin.a). In those cases, it's possible for function
1238 thunks from the second implib to be used but without the
1239 head/tail objects, causing an improper import table. We detect
1240 those cases and rename the "other" import libraries to match
1241 the one the head/tail come from, so that the linker will sort
1242 things nicely and produce a valid import table. */
1243
1244 LANG_FOR_EACH_INPUT_STATEMENT (is)
1245 {
1246 if (is->the_bfd->my_archive)
1247 {
1248 int idata2 = 0, reloc_count=0, is_imp = 0;
1249 asection *sec;
1250
1251 /* See if this is an import library thunk. */
1252 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1253 {
1254 if (strcmp (sec->name, ".idata\$2") == 0)
1255 idata2 = 1;
1256 if (CONST_STRNEQ (sec->name, ".idata\$"))
1257 is_imp = 1;
1258 reloc_count += sec->reloc_count;
1259 }
1260
1261 if (is_imp && !idata2 && reloc_count)
1262 {
1263 /* It is, look for the reference to head and see if it's
1264 from our own library. */
1265 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1266 {
1267 int i;
99ad8390
NC		 1268 long relsize;
1269 asymbol **symbols;
1270 arelent **relocs;
1271 int nrelocs;
1272
99ad8390
NC		 1273 relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
1274 if (relsize < 1)
1275 break;
1276
5c1d2f5f 1277 if (!bfd_generic_link_read_symbols (is->the_bfd))
99ad8390 1278 {
5c1d2f5f
AM		 1279 einfo (_("%B%F: could not read symbols: %E\n"),
1280 is->the_bfd);
99ad8390
NC		 1281 return;
1282 }
5c1d2f5f 1283 symbols = bfd_get_outsymbols (is->the_bfd);
99ad8390
NC		 1284
1285 relocs = xmalloc ((size_t) relsize);
1286 nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
1287 relocs, symbols);
1288 if (nrelocs < 0)
1289 {
1290 free (relocs);
44e36d8a 1291 einfo ("%X%P: unable to process relocs: %E\n");
99ad8390
NC		 1292 return;
1293 }
1294
1295 for (i = 0; i < nrelocs; i++)
1296 {
1297 struct bfd_symbol *s;
1298 struct bfd_link_hash_entry * blhe;
1299 char *other_bfd_filename;
1300 char *n;
1301
1302 s = (relocs[i]->sym_ptr_ptr)[0];
1303
1304 if (s->flags & BSF_LOCAL)
1305 continue;
1306
1307 /* Thunk section with reloc to another bfd. */
1308 blhe = bfd_link_hash_lookup (link_info.hash,
1309 s->name,
1310 FALSE, FALSE, TRUE);
1311
1312 if (blhe == NULL
1313 || blhe->type != bfd_link_hash_defined)
1314 continue;
1315
1316 other_bfd_filename
1317 = blhe->u.def.section->owner->my_archive
1318 ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
1319 : bfd_get_filename (blhe->u.def.section->owner);
1320
42627821
KT		 1321 if (filename_cmp (bfd_get_filename
1322 (is->the_bfd->my_archive),
1323 other_bfd_filename) == 0)
99ad8390
NC		 1324 continue;
1325
1326 /* Rename this implib to match the other one. */
1327 n = xmalloc (strlen (other_bfd_filename) + 1);
1328 strcpy (n, other_bfd_filename);
1329 is->the_bfd->my_archive->filename = n;
1330 }
1331
1332 free (relocs);
1333 /* Note - we do not free the symbols,
1334 they are now cached in the BFD. */
1335 }
1336 }
1337 }
1338 }
1339 }
1340
1341 {
1342 int is_ms_arch = 0;
1343 bfd *cur_arch = 0;
1344 lang_input_statement_type *is2;
1345 lang_input_statement_type *is3;
1346
1347 /* Careful - this is a shell script. Watch those dollar signs! */
1348 /* Microsoft import libraries have every member named the same,
1349 and not in the right order for us to link them correctly. We
1350 must detect these and rename the members so that they'll link
1351 correctly. There are three types of objects: the head, the
1352 thunks, and the sentinel(s). The head is easy; it's the one
1353 with idata2. We assume that the sentinels won't have relocs,
1354 and the thunks will. It's easier than checking the symbol
1355 table for external references. */
1356 LANG_FOR_EACH_INPUT_STATEMENT (is)
1357 {
1358 if (is->the_bfd->my_archive)
1359 {
1360 char *pnt;
1361 bfd *arch = is->the_bfd->my_archive;
1362
1363 if (cur_arch != arch)
1364 {
1365 cur_arch = arch;
1366 is_ms_arch = 1;
1367
1368 for (is3 = is;
1369 is3 && is3->the_bfd->my_archive == arch;
1370 is3 = (lang_input_statement_type *) is3->next)
1371 {
1372 /* A MS dynamic import library can also contain static
1373 members, so look for the first element with a .dll
1374 extension, and use that for the remainder of the
1375 comparisons. */
1376 pnt = strrchr (is3->the_bfd->filename, '.');
42627821 1377 if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
99ad8390
NC		 1378 break;
1379 }
1380
1381 if (is3 == NULL)
1382 is_ms_arch = 0;
1383 else
1384 {
1385 /* OK, found one. Now look to see if the remaining
1386 (dynamic import) members use the same name. */
1387 for (is2 = is;
1388 is2 && is2->the_bfd->my_archive == arch;
1389 is2 = (lang_input_statement_type *) is2->next)
1390 {
1391 /* Skip static members, ie anything with a .obj
1392 extension. */
1393 pnt = strrchr (is2->the_bfd->filename, '.');
42627821 1394 if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
99ad8390
NC		 1395 continue;
1396
42627821
KT		 1397 if (filename_cmp (is3->the_bfd->filename,
1398 is2->the_bfd->filename))
99ad8390
NC		 1399 {
1400 is_ms_arch = 0;
1401 break;
1402 }
1403 }
1404 }
1405 }
1406
1407 /* This fragment might have come from an .obj file in a Microsoft
1408 import, and not an actual import record. If this is the case,
1409 then leave the filename alone. */
1410 pnt = strrchr (is->the_bfd->filename, '.');
1411
42627821 1412 if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
99ad8390
NC		 1413 {
1414 int idata2 = 0, reloc_count=0;
1415 asection *sec;
1416 char *new_name, seq;
1417
1418 for (sec = is->the_bfd->sections; sec; sec = sec->next)
1419 {
1420 if (strcmp (sec->name, ".idata\$2") == 0)
1421 idata2 = 1;
1422 reloc_count += sec->reloc_count;
1423 }
1424
1425 if (idata2) /* .idata2 is the TOC */
1426 seq = 'a';
1427 else if (reloc_count > 0) /* thunks */
1428 seq = 'b';
1429 else /* sentinel */
1430 seq = 'c';
1431
1432 new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
1433 sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
1434 is->the_bfd->filename = new_name;
1435
1436 new_name = xmalloc (strlen (is->filename) + 3);
1437 sprintf (new_name, "%s.%c", is->filename, seq);
1438 is->filename = new_name;
1439 }
1440 }
1441 }
1442 }
1443}
1444\f
1445static void
1446gld_${EMULATION_NAME}_before_allocation (void)
1447{
d74720d2 1448 is_underscoring ();
99ad8390
NC		 1449 before_allocation_default ();
1450}
1451\f
1452#ifdef DLL_SUPPORT
1453/* This is called when an input file isn't recognized as a BFD. We
1454 check here for .DEF files and pull them in automatically. */
1455
1456static int
1457saw_option (char *option)
1458{
1459 int i;
1460
d74720d2
KT		 1461 is_underscoring ();
1462
99ad8390 1463 for (i = 0; init[i].ptr; i++)
522f09cd 1464 if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
99ad8390
NC		 1465 return init[i].inited;
1466 return 0;
1467}
1468#endif /* DLL_SUPPORT */
1469
1470static bfd_boolean
1471gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1472{
1473#ifdef DLL_SUPPORT
1474 const char *ext = entry->filename + strlen (entry->filename) - 4;
1475
42627821 1476 if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
99ad8390
NC		 1477 {
1478 pep_def_file = def_file_parse (entry->filename, pep_def_file);
1479
1480 if (pep_def_file)
1481 {
1482 int i, buflen=0, len;
1483 char *buf;
1484
1485 for (i = 0; i < pep_def_file->num_exports; i++)
1486 {
1487 len = strlen (pep_def_file->exports[i].internal_name);
1488 if (buflen < len + 2)
1489 buflen = len + 2;
1490 }
1491
1492 buf = xmalloc (buflen);
1493
1494 for (i = 0; i < pep_def_file->num_exports; i++)
1495 {
1496 struct bfd_link_hash_entry *h;
1497
522f09cd
KT		 1498 sprintf (buf, "%s%s", U (""),
1499 pep_def_file->exports[i].internal_name);
99ad8390
NC		 1500
1501 h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
1502 if (h == (struct bfd_link_hash_entry *) NULL)
1503 einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
1504 if (h->type == bfd_link_hash_new)
1505 {
1506 h->type = bfd_link_hash_undefined;
1507 h->u.undef.abfd = NULL;
1508 bfd_link_add_undef (link_info.hash, h);
1509 }
1510 }
1511 free (buf);
1512
1513 /* def_file_print (stdout, pep_def_file); */
1514 if (pep_def_file->is_dll == 1)
1515 link_info.shared = 1;
1516
1517 if (pep_def_file->base_address != (bfd_vma)(-1))
1518 {
f13a99db
AM		 1519 pep.ImageBase
1520 = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
1521 = init[IMAGEBASEOFF].value
1522 = pep_def_file->base_address;
99ad8390
NC		 1523 init[IMAGEBASEOFF].inited = 1;
1524 if (image_base_statement)
eb8476a6
MR		 1525 image_base_statement->exp
1526 = exp_assign ("__image_base__", exp_intop (pep.ImageBase),
1527 FALSE);
99ad8390
NC		 1528 }
1529
1530 if (pep_def_file->stack_reserve != -1
1531 && ! saw_option ("__size_of_stack_reserve__"))
1532 {
1533 pep.SizeOfStackReserve = pep_def_file->stack_reserve;
1534 if (pep_def_file->stack_commit != -1)
1535 pep.SizeOfStackCommit = pep_def_file->stack_commit;
1536 }
1537 if (pep_def_file->heap_reserve != -1
1538 && ! saw_option ("__size_of_heap_reserve__"))
1539 {
1540 pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
1541 if (pep_def_file->heap_commit != -1)
1542 pep.SizeOfHeapCommit = pep_def_file->heap_commit;
1543 }
1544 return TRUE;
1545 }
1546 }
1547#endif
1548 return FALSE;
1549}
1550
1551static bfd_boolean
1552gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
1553{
d74720d2 1554 is_underscoring ();
99ad8390
NC		 1555#ifdef DLL_SUPPORT
1556#ifdef TARGET_IS_i386pep
1557 pep_dll_id_target ("pei-x86-64");
1558#endif
880383ca
NC		 1559 if (pep_bfd_is_dll (entry->the_bfd))
1560 return pep_implied_import_dll (entry->filename);
99ad8390
NC		 1561#endif
1562 return FALSE;
1563}
1564
1565static void
1566gld_${EMULATION_NAME}_finish (void)
1567{
d74720d2 1568 is_underscoring ();
99ad8390
NC		 1569 finish_default ();
1570
1571#ifdef DLL_SUPPORT
1572 if (link_info.shared
1573 || (!link_info.relocatable && pep_def_file->num_exports != 0))
1574 {
f13a99db 1575 pep_dll_fill_sections (link_info.output_bfd, &link_info);
99ad8390 1576 if (pep_implib_filename)
e1c37eb5 1577 pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
99ad8390
NC		 1578 }
1579
1580 if (pep_out_def_filename)
1581 pep_dll_generate_def_file (pep_out_def_filename);
1582#endif /* DLL_SUPPORT */
1583
1584 /* I don't know where .idata gets set as code, but it shouldn't be. */
1585 {
f13a99db 1586 asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
99ad8390
NC		 1587
1588 if (asec)
1589 {
1590 asec->flags &= ~SEC_CODE;
1591 asec->flags |= SEC_DATA;
1592 }
1593 }
1594}
1595
1596\f
1597/* Place an orphan section.
1598
1599 We use this to put sections in a reasonable place in the file, and
1600 to ensure that they are aligned as required.
1601
d34c1c51 1602 We handle grouped sections here as well. A section named .foo\$nn
99ad8390
NC		 1603 goes into the output section .foo. All grouped sections are sorted
1604 by name.
1605
1606 Grouped sections for the default sections are handled by the
1607 default linker script using wildcards, and are sorted by
1608 sort_sections. */
1609
c2edb4b8 1610static lang_output_section_statement_type *
8a99a385
AM		 1611gld_${EMULATION_NAME}_place_orphan (asection *s,
1612 const char *secname,
1613 int constraint)
99ad8390 1614{
bcacc0f5 1615 const char *orig_secname = secname;
99ad8390
NC		 1616 char *dollar = NULL;
1617 lang_output_section_statement_type *os;
1618 lang_statement_list_type add_child;
b5f14a6d 1619 lang_output_section_statement_type *match_by_name = NULL;
011aa75f 1620 lang_statement_union_type **pl;
99ad8390 1621
99ad8390 1622 /* Look through the script to see where to place this section. */
99ad8390 1623 if (!link_info.relocatable
d34c1c51 1624 && (dollar = strchr (secname, '\$')) != NULL)
99ad8390 1625 {
bcacc0f5 1626 size_t len = dollar - secname;
99ad8390 1627 char *newname = xmalloc (len + 1);
bcacc0f5 1628 memcpy (newname, secname, len);
99ad8390
NC		 1629 newname[len] = '\0';
1630 secname = newname;
1631 }
1632
99ad8390
NC		 1633 lang_list_init (&add_child);
1634
d127ecce
AM		 1635 os = NULL;
1636 if (constraint == 0)
1637 for (os = lang_output_section_find (secname);
1638 os != NULL;
1639 os = next_matching_output_section_statement (os, 0))
1640 {
1641 /* If we don't match an existing output section, tell
1642 lang_insert_orphan to create a new output section. */
1643 constraint = SPECIAL;
1644
1645 if (os->bfd_section != NULL
1646 && (os->bfd_section->flags == 0
1647 || ((s->flags ^ os->bfd_section->flags)
1648 & (SEC_LOAD | SEC_ALLOC)) == 0))
1649 {
1650 /* We already have an output section statement with this
1651 name, and its bfd section has compatible flags.
1652 If the section already exists but does not have any flags set,
1653 then it has been created by the linker, probably as a result of
1654 a --section-start command line switch. */
b9c361e0 1655 lang_add_section (&add_child, s, NULL, os);
d127ecce
AM		 1656 break;
1657 }
b5f14a6d
DD		 1658
1659 /* Save unused output sections in case we can match them
1660 against orphans later. */
1661 if (os->bfd_section == NULL)
1662 match_by_name = os;
d127ecce
AM		 1663 }
1664
b5f14a6d
DD		 1665 /* If we didn't match an active output section, see if we matched an
1666 unused one and use that. */
1667 if (os == NULL && match_by_name)
1668 {
b9c361e0 1669 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD		 1670 return match_by_name;
1671 }
1672
d127ecce 1673 if (os == NULL)
99ad8390
NC		 1674 {
1675 static struct orphan_save hold[] =
1676 {
1677 { ".text",
1678 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1679 0, 0, 0, 0 },
d4874973
KT		 1680 { ".idata",
1681 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1682 0, 0, 0, 0 },
99ad8390
NC		 1683 { ".rdata",
1684 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1685 0, 0, 0, 0 },
1686 { ".data",
1687 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1688 0, 0, 0, 0 },
1689 { ".bss",
1690 SEC_ALLOC,
1691 0, 0, 0, 0 }
1692 };
1693 enum orphan_save_index
1694 {
1695 orphan_text = 0,
d4874973 1696 orphan_idata,
99ad8390
NC		 1697 orphan_rodata,
1698 orphan_data,
1699 orphan_bss
1700 };
1701 static int orphan_init_done = 0;
1702 struct orphan_save *place;
1703 lang_output_section_statement_type *after;
1704 etree_type *address;
1705
1706 if (!orphan_init_done)
1707 {
1708 struct orphan_save *ho;
1709 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1710 if (ho->name != NULL)
1711 {
1712 ho->os = lang_output_section_find (ho->name);
1713 if (ho->os != NULL && ho->os->flags == 0)
1714 ho->os->flags = ho->flags;
1715 }
1716 orphan_init_done = 1;
1717 }
1718
1719 /* Try to put the new output section in a reasonable place based
1720 on the section name and section flags. */
1721
1722 place = NULL;
1723 if ((s->flags & SEC_ALLOC) == 0)
1724 ;
1725 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1726 place = &hold[orphan_bss];
1727 else if ((s->flags & SEC_READONLY) == 0)
1728 place = &hold[orphan_data];
1729 else if ((s->flags & SEC_CODE) == 0)
d4874973
KT		 1730 {
1731 place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
1732 : &hold[orphan_rodata]);
1733 }
99ad8390
NC		 1734 else
1735 place = &hold[orphan_text];
1736
1737 after = NULL;
1738 if (place != NULL)
1739 {
1740 if (place->os == NULL)
1741 place->os = lang_output_section_find (place->name);
1742 after = place->os;
1743 if (after == NULL)
1744 after = lang_output_section_find_by_flags (s, &place->os, NULL);
1745 if (after == NULL)
1746 /* *ABS* is always the first output section statement. */
1747 after = (&lang_output_section_statement.head
1748 ->output_section_statement);
1749 }
1750
4bf0cafb
DK		 1751 /* All sections in an executable must be aligned to a page boundary.
1752 In a relocatable link, just preserve the incoming alignment; the
1753 address is discarded by lang_insert_orphan in that case, anyway. */
99ad8390 1754 address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
8a99a385
AM		 1755 os = lang_insert_orphan (s, secname, constraint, after, place, address,
1756 &add_child);
4bf0cafb
DK		 1757 if (link_info.relocatable)
1758 {
1759 os->section_alignment = s->alignment_power;
1760 os->bfd_section->alignment_power = s->alignment_power;
1761 }
99ad8390
NC		 1762 }
1763
011aa75f
AM		 1764 /* If the section name has a '\$', sort it with the other '\$'
1765 sections. */
1766 for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
1767 {
1768 lang_input_section_type *ls;
1769 const char *lname;
99ad8390 1770
011aa75f
AM		 1771 if ((*pl)->header.type != lang_input_section_enum)
1772 continue;
99ad8390 1773
011aa75f 1774 ls = &(*pl)->input_section;
99ad8390 1775
011aa75f
AM		 1776 lname = bfd_get_section_name (ls->section->owner, ls->section);
1777 if (strchr (lname, '\$') != NULL
1778 && (dollar == NULL || strcmp (orig_secname, lname) < 0))
1779 break;
1780 }
99ad8390 1781
011aa75f
AM		 1782 if (add_child.head != NULL)
1783 {
1784 *add_child.tail = *pl;
1785 *pl = add_child.head;
1786 }
99ad8390 1787
c2edb4b8 1788 return os;
99ad8390
NC		 1789}
1790
1791static bfd_boolean
1792gld_${EMULATION_NAME}_open_dynamic_archive
1793 (const char *arch ATTRIBUTE_UNUSED,
1794 search_dirs_type *search,
1795 lang_input_statement_type *entry)
1796{
1797 static const struct
1798 {
1799 const char * format;
1800 bfd_boolean use_prefix;
1801 }
1802 libname_fmt [] =
1803 {
1804 /* Preferred explicit import library for dll's. */
1805 { "lib%s.dll.a", FALSE },
1806 /* Alternate explicit import library for dll's. */
1807 { "%s.dll.a", FALSE },
1808 /* "libfoo.a" could be either an import lib or a static lib.
1809 For backwards compatibility, libfoo.a needs to precede
1810 libfoo.dll and foo.dll in the search. */
1811 { "lib%s.a", FALSE },
92b93329 1812 /* The 'native' spelling of an import lib name is "foo.lib". */
99ad8390
NC		 1813 { "%s.lib", FALSE },
1814#ifdef DLL_SUPPORT
1815 /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
1816 { "%s%s.dll", TRUE },
1817#endif
1818 /* Try "libfoo.dll" (default preferred dll name). */
1819 { "lib%s.dll", FALSE },
1820 /* Finally try 'native' dll name "foo.dll". */
1821 { "%s.dll", FALSE },
1822 /* Note: If adding more formats to this table, make sure to check to
1823 see if their length is longer than libname_fmt[0].format, and if
1824 so, update the call to xmalloc() below. */
1825 { NULL, FALSE }
1826 };
1827 static unsigned int format_max_len = 0;
1828 const char * filename;
1829 char * full_string;
1830 char * base_string;
1831 unsigned int i;
1832
1833
66be1055 1834 if (! entry->flags.maybe_archive)
99ad8390
NC		 1835 return FALSE;
1836
1837 filename = entry->filename;
1838
1839 if (format_max_len == 0)
1840 /* We need to allow space in the memory that we are going to allocate
1841 for the characters in the format string. Since the format array is
1842 static we only need to calculate this information once. In theory
1843 this value could also be computed statically, but this introduces
1844 the possibility for a discrepancy and hence a possible memory
1845 corruption. The lengths we compute here will be too long because
1846 they will include any formating characters (%s) in the strings, but
1847 this will not matter. */
1848 for (i = 0; libname_fmt[i].format; i++)
1849 if (format_max_len < strlen (libname_fmt[i].format))
1850 format_max_len = strlen (libname_fmt[i].format);
1851
1852 full_string = xmalloc (strlen (search->name)
1853 + strlen (filename)
1854 + format_max_len
1855#ifdef DLL_SUPPORT
1856 + (pep_dll_search_prefix
1857 ? strlen (pep_dll_search_prefix) : 0)
1858#endif
1859 /* Allow for the terminating NUL and for the path
1860 separator character that is inserted between
1861 search->name and the start of the format string. */
1862 + 2);
1863
1864 sprintf (full_string, "%s/", search->name);
1865 base_string = full_string + strlen (full_string);
1866
1867 for (i = 0; libname_fmt[i].format; i++)
1868 {
92b93329 1869#ifdef DLL_SUPPORT
99ad8390
NC		 1870 if (libname_fmt[i].use_prefix)
1871 {
1872 if (!pep_dll_search_prefix)
1873 continue;
1874 sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
1875 }
1876 else
1877#endif
1878 sprintf (base_string, libname_fmt[i].format, filename);
1879
1880 if (ldfile_try_open_bfd (full_string, entry))
1881 break;
1882 }
1883
1884 if (!libname_fmt[i].format)
1885 {
1886 free (full_string);
1887 return FALSE;
1888 }
1889
1890 entry->filename = full_string;
1891
1892 return TRUE;
1893}
1894
1895static int
1896gld_${EMULATION_NAME}_find_potential_libraries
1897 (char *name, lang_input_statement_type *entry)
1898{
1899 return ldfile_open_file_search (name, entry, "", ".lib");
1900}
1901\f
1902static char *
1903gld_${EMULATION_NAME}_get_script (int *isfile)
1904EOF
1905# Scripts compiled in.
1906# sed commands to quote an ld script as a C string.
1907sc="-f stringify.sed"
1908
92b93329 1909fragment <<EOF
99ad8390
NC		 1910{
1911 *isfile = 0;
1912
1913 if (link_info.relocatable && config.build_constructors)
1914 return
1915EOF
1916sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1917echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1918sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1919echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1920sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1921echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1922sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
e2a83dd0 1923if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
6ec6c79c 1924echo ' ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return' >> e${EMULATION_NAME}.c
e2a83dd0
NC		 1925sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
1926fi
99ad8390
NC		 1927echo ' ; else return' >> e${EMULATION_NAME}.c
1928sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1929echo '; }' >> e${EMULATION_NAME}.c
1930
92b93329 1931fragment <<EOF
99ad8390
NC		 1932
1933
1934struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1935{
1936 gld_${EMULATION_NAME}_before_parse,
1937 syslib_default,
1938 hll_default,
1939 gld_${EMULATION_NAME}_after_parse,
1940 gld_${EMULATION_NAME}_after_open,
1941 after_allocation_default,
1942 set_output_arch_default,
1943 ldemul_default_target,
1944 gld_${EMULATION_NAME}_before_allocation,
1945 gld_${EMULATION_NAME}_get_script,
1946 "${EMULATION_NAME}",
1947 "${OUTPUT_FORMAT}",
1948 gld_${EMULATION_NAME}_finish,
1949 NULL, /* Create output section statements. */
1950 gld_${EMULATION_NAME}_open_dynamic_archive,
1951 gld_${EMULATION_NAME}_place_orphan,
1952 gld_${EMULATION_NAME}_set_symbols,
1953 NULL, /* parse_args */
1954 gld${EMULATION_NAME}_add_options,
1955 gld${EMULATION_NAME}_handle_option,
1956 gld_${EMULATION_NAME}_unrecognized_file,
1957 gld_${EMULATION_NAME}_list_options,
1958 gld_${EMULATION_NAME}_recognized_file,
1959 gld_${EMULATION_NAME}_find_potential_libraries,
1960 NULL /* new_vers_pattern. */
1961};
1962EOF
GDB Binutils - Deliverables
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