| 1 | # This shell script emits a C file. -*- C -*- |
| 2 | # It does some substitutions. |
| 3 | if [ -z "$MACHINE" ]; then |
| 4 | OUTPUT_ARCH=${ARCH} |
| 5 | else |
| 6 | OUTPUT_ARCH=${ARCH}:${MACHINE} |
| 7 | fi |
| 8 | rm -f e${EMULATION_NAME}.c |
| 9 | (echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) |
| 10 | fragment <<EOF |
| 11 | /* Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| 12 | |
| 13 | This file is part of the GNU Binutils. |
| 14 | |
| 15 | This program is free software; you can redistribute it and/or modify |
| 16 | it under the terms of the GNU General Public License as published by |
| 17 | the Free Software Foundation; either version 3 of the License, or |
| 18 | (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, |
| 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | GNU General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 28 | MA 02110-1301, USA. */ |
| 29 | |
| 30 | |
| 31 | /* For WINDOWS_NT */ |
| 32 | /* The original file generated returned different default scripts depending |
| 33 | on whether certain switches were set, but these switches pertain to the |
| 34 | Linux system and that particular version of coff. In the NT case, we |
| 35 | only determine if the subsystem is console or windows in order to select |
| 36 | the correct entry point by default. */ |
| 37 | |
| 38 | #define TARGET_IS_${EMULATION_NAME} |
| 39 | |
| 40 | /* Do this before including bfd.h, so we prototype the right functions. */ |
| 41 | |
| 42 | #if defined(TARGET_IS_armpe) \ |
| 43 | || defined(TARGET_IS_arm_epoc_pe) \ |
| 44 | || defined(TARGET_IS_arm_wince_pe) |
| 45 | #define bfd_arm_allocate_interworking_sections \ |
| 46 | bfd_${EMULATION_NAME}_allocate_interworking_sections |
| 47 | #define bfd_arm_get_bfd_for_interworking \ |
| 48 | bfd_${EMULATION_NAME}_get_bfd_for_interworking |
| 49 | #define bfd_arm_process_before_allocation \ |
| 50 | bfd_${EMULATION_NAME}_process_before_allocation |
| 51 | #endif |
| 52 | |
| 53 | #include "sysdep.h" |
| 54 | #include "bfd.h" |
| 55 | #include "bfdlink.h" |
| 56 | #include "getopt.h" |
| 57 | #include "libiberty.h" |
| 58 | #include "filenames.h" |
| 59 | #include "ld.h" |
| 60 | #include "ldmain.h" |
| 61 | #include "ldexp.h" |
| 62 | #include "ldlang.h" |
| 63 | #include "ldfile.h" |
| 64 | #include "ldemul.h" |
| 65 | #include <ldgram.h> |
| 66 | #include "ldlex.h" |
| 67 | #include "ldmisc.h" |
| 68 | #include "ldctor.h" |
| 69 | #include "ldbuildid.h" |
| 70 | #include "coff/internal.h" |
| 71 | |
| 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 | |
| 77 | /* FIXME: These are BFD internal header files, and we should not be |
| 78 | using it here. */ |
| 79 | #include "../bfd/libcoff.h" |
| 80 | #include "../bfd/libpei.h" |
| 81 | |
| 82 | #include "deffile.h" |
| 83 | #include "pe-dll.h" |
| 84 | #include "safe-ctype.h" |
| 85 | |
| 86 | /* Permit the emulation parameters to override the default section |
| 87 | alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes |
| 88 | it seem that include/coff/internal.h should not define |
| 89 | PE_DEF_SECTION_ALIGNMENT. */ |
| 90 | #if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} |
| 91 | #undef PE_DEF_SECTION_ALIGNMENT |
| 92 | #define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} |
| 93 | #endif |
| 94 | |
| 95 | #if defined(TARGET_IS_i386pe) \ |
| 96 | || defined(TARGET_IS_shpe) \ |
| 97 | || defined(TARGET_IS_armpe) \ |
| 98 | || defined(TARGET_IS_arm_epoc_pe) \ |
| 99 | || defined(TARGET_IS_arm_wince_pe) |
| 100 | #define DLL_SUPPORT |
| 101 | #endif |
| 102 | |
| 103 | #if defined(TARGET_IS_i386pe) |
| 104 | #define DEFAULT_PSEUDO_RELOC_VERSION 2 |
| 105 | #else |
| 106 | #define DEFAULT_PSEUDO_RELOC_VERSION 1 |
| 107 | #endif |
| 108 | |
| 109 | #if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) |
| 110 | #define PE_DEF_SUBSYSTEM 3 |
| 111 | #else |
| 112 | #undef NT_EXE_IMAGE_BASE |
| 113 | #undef PE_DEF_SECTION_ALIGNMENT |
| 114 | #undef PE_DEF_FILE_ALIGNMENT |
| 115 | #define NT_EXE_IMAGE_BASE 0x00010000 |
| 116 | |
| 117 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
| 118 | #define PE_DEF_SECTION_ALIGNMENT 0x00001000 |
| 119 | #define PE_DEF_SUBSYSTEM 9 |
| 120 | #else |
| 121 | #define PE_DEF_SECTION_ALIGNMENT 0x00000400 |
| 122 | #define PE_DEF_SUBSYSTEM 2 |
| 123 | #endif |
| 124 | #define PE_DEF_FILE_ALIGNMENT 0x00000200 |
| 125 | #endif |
| 126 | |
| 127 | static struct internal_extra_pe_aouthdr pe; |
| 128 | static int dll; |
| 129 | static int pe_subsystem = ${SUBSYSTEM}; |
| 130 | static flagword real_flags = 0; |
| 131 | static int support_old_code = 0; |
| 132 | static char * thumb_entry_symbol = NULL; |
| 133 | static lang_assignment_statement_type *image_base_statement = 0; |
| 134 | static unsigned short pe_dll_characteristics = 0; |
| 135 | static bfd_boolean insert_timestamp = TRUE; |
| 136 | static const char *emit_build_id; |
| 137 | |
| 138 | #ifdef DLL_SUPPORT |
| 139 | static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ |
| 140 | static char *pe_out_def_filename = NULL; |
| 141 | static char *pe_implib_filename = NULL; |
| 142 | static int pe_enable_auto_image_base = 0; |
| 143 | static unsigned long pe_auto_image_base = 0x61500000; |
| 144 | static char *pe_dll_search_prefix = NULL; |
| 145 | #endif |
| 146 | |
| 147 | extern const char *output_filename; |
| 148 | |
| 149 | static int is_underscoring (void) |
| 150 | { |
| 151 | int u = 0; |
| 152 | if (pe_leading_underscore != -1) |
| 153 | return pe_leading_underscore; |
| 154 | if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL)) |
| 155 | bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL); |
| 156 | |
| 157 | if (u == -1) |
| 158 | abort (); |
| 159 | pe_leading_underscore = (u != 0 ? 1 : 0); |
| 160 | return pe_leading_underscore; |
| 161 | } |
| 162 | |
| 163 | static void |
| 164 | gld_${EMULATION_NAME}_before_parse (void) |
| 165 | { |
| 166 | is_underscoring (); |
| 167 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
| 168 | output_filename = "${EXECUTABLE_NAME:-a.exe}"; |
| 169 | #ifdef DLL_SUPPORT |
| 170 | input_flags.dynamic = TRUE; |
| 171 | config.has_shared = 1; |
| 172 | EOF |
| 173 | |
| 174 | # Cygwin no longer wants these noisy warnings. Other PE |
| 175 | # targets might like to consider adding themselves here. |
| 176 | # See also the mail thread starting here for the reason why |
| 177 | # merge_rdata defaults to 0 for cygwin: |
| 178 | # http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html |
| 179 | case ${target} in |
| 180 | *-*-cygwin*) |
| 181 | default_auto_import=1 |
| 182 | default_merge_rdata=0 |
| 183 | ;; |
| 184 | i[3-7]86-*-mingw* | x86_64-*-mingw*) |
| 185 | default_auto_import=1 |
| 186 | default_merge_rdata=0 |
| 187 | ;; |
| 188 | *) |
| 189 | default_auto_import=-1 |
| 190 | default_merge_rdata=1 |
| 191 | ;; |
| 192 | esac |
| 193 | |
| 194 | fragment <<EOF |
| 195 | link_info.pei386_auto_import = ${default_auto_import}; |
| 196 | /* Use by default version. */ |
| 197 | link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION; |
| 198 | #endif |
| 199 | } |
| 200 | \f |
| 201 | /* Indicates if RDATA shall be merged into DATA when pseudo-relocation |
| 202 | version 2 is used and auto-import is enabled. */ |
| 203 | #define MERGE_RDATA_V2 ${default_merge_rdata} |
| 204 | |
| 205 | /* PE format extra command line options. */ |
| 206 | |
| 207 | /* Used for setting flags in the PE header. */ |
| 208 | #define OPTION_BASE_FILE (300 + 1) |
| 209 | #define OPTION_DLL (OPTION_BASE_FILE + 1) |
| 210 | #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) |
| 211 | #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) |
| 212 | #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) |
| 213 | #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) |
| 214 | #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) |
| 215 | #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) |
| 216 | #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) |
| 217 | #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) |
| 218 | #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) |
| 219 | #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) |
| 220 | #define OPTION_SUBSYSTEM (OPTION_STACK + 1) |
| 221 | #define OPTION_HEAP (OPTION_SUBSYSTEM + 1) |
| 222 | #define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) |
| 223 | #define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1) |
| 224 | #define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1) |
| 225 | #define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1) |
| 226 | #define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1) |
| 227 | #define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1) |
| 228 | #define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1) |
| 229 | #define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1) |
| 230 | #define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1) |
| 231 | #define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) |
| 232 | #define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) |
| 233 | #define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) |
| 234 | #define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) |
| 235 | #define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) |
| 236 | #define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) |
| 237 | #define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) |
| 238 | #define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) |
| 239 | #define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) |
| 240 | #define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) |
| 241 | #define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) |
| 242 | #define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) |
| 243 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ |
| 244 | (OPTION_EXCLUDE_LIBS + 1) |
| 245 | #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ |
| 246 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1) |
| 247 | #define OPTION_LARGE_ADDRESS_AWARE (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1) |
| 248 | #define OPTION_DISABLE_LARGE_ADDRESS_AWARE \ |
| 249 | (OPTION_LARGE_ADDRESS_AWARE + 1) |
| 250 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \ |
| 251 | (OPTION_DISABLE_LARGE_ADDRESS_AWARE + 1) |
| 252 | #define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \ |
| 253 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1) |
| 254 | #define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \ |
| 255 | (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1) |
| 256 | #define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \ |
| 257 | (OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1) |
| 258 | #define OPTION_NO_LEADING_UNDERSCORE (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1) |
| 259 | #define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) |
| 260 | #define OPTION_ENABLE_LONG_SECTION_NAMES \ |
| 261 | (OPTION_LEADING_UNDERSCORE + 1) |
| 262 | #define OPTION_DISABLE_LONG_SECTION_NAMES \ |
| 263 | (OPTION_ENABLE_LONG_SECTION_NAMES + 1) |
| 264 | /* DLLCharacteristics flags. */ |
| 265 | #define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1) |
| 266 | #define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1) |
| 267 | #define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1) |
| 268 | #define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1) |
| 269 | #define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1) |
| 270 | #define OPTION_NO_BIND (OPTION_NO_SEH + 1) |
| 271 | #define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1) |
| 272 | #define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1) |
| 273 | /* Determinism. */ |
| 274 | #define OPTION_INSERT_TIMESTAMP (OPTION_TERMINAL_SERVER_AWARE + 1) |
| 275 | #define OPTION_NO_INSERT_TIMESTAMP (OPTION_INSERT_TIMESTAMP + 1) |
| 276 | #define OPTION_BUILD_ID (OPTION_NO_INSERT_TIMESTAMP + 1) |
| 277 | |
| 278 | static void |
| 279 | gld${EMULATION_NAME}_add_options |
| 280 | (int ns ATTRIBUTE_UNUSED, |
| 281 | char **shortopts ATTRIBUTE_UNUSED, |
| 282 | int nl, |
| 283 | struct option **longopts, |
| 284 | int nrl ATTRIBUTE_UNUSED, |
| 285 | struct option **really_longopts ATTRIBUTE_UNUSED) |
| 286 | { |
| 287 | static const struct option xtra_long[] = |
| 288 | { |
| 289 | /* PE options. */ |
| 290 | {"base-file", required_argument, NULL, OPTION_BASE_FILE}, |
| 291 | {"dll", no_argument, NULL, OPTION_DLL}, |
| 292 | {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT}, |
| 293 | {"heap", required_argument, NULL, OPTION_HEAP}, |
| 294 | {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, |
| 295 | {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, |
| 296 | {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, |
| 297 | {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, |
| 298 | {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, |
| 299 | {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, |
| 300 | {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, |
| 301 | {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, |
| 302 | {"stack", required_argument, NULL, OPTION_STACK}, |
| 303 | {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, |
| 304 | {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, |
| 305 | {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, |
| 306 | {"use-nul-prefixed-import-tables", no_argument, NULL, |
| 307 | OPTION_USE_NUL_PREFIXED_IMPORT_TABLES}, |
| 308 | {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, |
| 309 | {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE}, |
| 310 | {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP}, |
| 311 | {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP}, |
| 312 | #ifdef DLL_SUPPORT |
| 313 | /* getopt allows abbreviations, so we do this to stop it |
| 314 | from treating -o as an abbreviation for this option. */ |
| 315 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
| 316 | {"output-def", required_argument, NULL, OPTION_OUT_DEF}, |
| 317 | {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL}, |
| 318 | {"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS}, |
| 319 | {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS}, |
| 320 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
| 321 | {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB}, |
| 322 | {"kill-at", no_argument, NULL, OPTION_KILL_ATS}, |
| 323 | {"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES}, |
| 324 | {"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP}, |
| 325 | {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, |
| 326 | {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, |
| 327 | {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, |
| 328 | /* getopt() allows abbreviations, so we do this to stop it from |
| 329 | treating -c as an abbreviation for these --compat-implib. */ |
| 330 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, |
| 331 | {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, |
| 332 | {"enable-auto-image-base", optional_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, |
| 333 | {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, |
| 334 | {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, |
| 335 | {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, |
| 336 | {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, |
| 337 | {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, |
| 338 | {"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG}, |
| 339 | {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC}, |
| 340 | {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC}, |
| 341 | {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1}, |
| 342 | {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2}, |
| 343 | #endif |
| 344 | {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE}, |
| 345 | {"disable-large-address-aware", no_argument, NULL, OPTION_DISABLE_LARGE_ADDRESS_AWARE}, |
| 346 | {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES}, |
| 347 | {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES}, |
| 348 | {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE}, |
| 349 | {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY}, |
| 350 | {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT}, |
| 351 | {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION}, |
| 352 | {"no-seh", no_argument, NULL, OPTION_NO_SEH}, |
| 353 | {"no-bind", no_argument, NULL, OPTION_NO_BIND}, |
| 354 | {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER}, |
| 355 | {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE}, |
| 356 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
| 357 | {NULL, no_argument, NULL, 0} |
| 358 | }; |
| 359 | |
| 360 | *longopts |
| 361 | = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); |
| 362 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
| 363 | } |
| 364 | |
| 365 | /* PE/WIN32; added routines to get the subsystem type, heap and/or stack |
| 366 | parameters which may be input from the command line. */ |
| 367 | |
| 368 | typedef struct |
| 369 | { |
| 370 | void *ptr; |
| 371 | int size; |
| 372 | int value; |
| 373 | char *symbol; |
| 374 | int inited; |
| 375 | /* FALSE for an assembly level symbol and TRUE for a C visible symbol. |
| 376 | C visible symbols can be prefixed by underscore dependent to target's |
| 377 | settings. */ |
| 378 | bfd_boolean is_c_symbol; |
| 379 | } definfo; |
| 380 | |
| 381 | /* Get symbol name dependent to kind and C visible state of |
| 382 | underscore. */ |
| 383 | #define GET_INIT_SYMBOL_NAME(IDX) \ |
| 384 | (init[(IDX)].symbol \ |
| 385 | + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1)) |
| 386 | |
| 387 | /* Decorates the C visible symbol by underscore, if target requires. */ |
| 388 | #define U(CSTR) \ |
| 389 | ((is_underscoring () == 0) ? CSTR : "_" CSTR) |
| 390 | |
| 391 | /* Get size of constant string for a possible underscore prefixed |
| 392 | C visible symbol. */ |
| 393 | #define U_SIZE(CSTR) \ |
| 394 | (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1)) |
| 395 | |
| 396 | #define D(field,symbol,def,usc) {&pe.field, sizeof (pe.field), def, symbol, 0, usc} |
| 397 | |
| 398 | static definfo init[] = |
| 399 | { |
| 400 | /* imagebase must be first */ |
| 401 | #define IMAGEBASEOFF 0 |
| 402 | D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE), |
| 403 | #define DLLOFF 1 |
| 404 | {&dll, sizeof(dll), 0, "__dll__", 0, FALSE}, |
| 405 | #define MSIMAGEBASEOFF 2 |
| 406 | D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE), |
| 407 | D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE), |
| 408 | D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE), |
| 409 | D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE), |
| 410 | D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE), |
| 411 | D(MajorImageVersion,"__major_image_version__", 1, FALSE), |
| 412 | D(MinorImageVersion,"__minor_image_version__", 0, FALSE), |
| 413 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe) |
| 414 | D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE), |
| 415 | #else |
| 416 | D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE), |
| 417 | #endif |
| 418 | D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE), |
| 419 | D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE), |
| 420 | D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE), |
| 421 | D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE), |
| 422 | D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE), |
| 423 | D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE), |
| 424 | D(LoaderFlags,"__loader_flags__", 0x0, FALSE), |
| 425 | D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE), |
| 426 | { NULL, 0, 0, NULL, 0 , FALSE} |
| 427 | }; |
| 428 | |
| 429 | |
| 430 | static void |
| 431 | gld_${EMULATION_NAME}_list_options (FILE *file) |
| 432 | { |
| 433 | fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); |
| 434 | fprintf (file, _(" --dll Set image base to the default for DLLs\n")); |
| 435 | fprintf (file, _(" --file-alignment <size> Set file alignment\n")); |
| 436 | fprintf (file, _(" --heap <size> Set initial size of the heap\n")); |
| 437 | fprintf (file, _(" --image-base <address> Set start address of the executable\n")); |
| 438 | fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); |
| 439 | fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); |
| 440 | fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); |
| 441 | fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); |
| 442 | fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); |
| 443 | fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); |
| 444 | fprintf (file, _(" --section-alignment <size> Set section alignment\n")); |
| 445 | fprintf (file, _(" --stack <size> Set size of the initial stack\n")); |
| 446 | fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n")); |
| 447 | fprintf (file, _(" --support-old-code Support interworking with old code\n")); |
| 448 | fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n")); |
| 449 | fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\n")); |
| 450 | fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero (default).\n")); |
| 451 | fprintf (file, _(" This makes binaries non-deterministic\n")); |
| 452 | #ifdef DLL_SUPPORT |
| 453 | fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n")); |
| 454 | fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n")); |
| 455 | fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n")); |
| 456 | fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n")); |
| 457 | fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n")); |
| 458 | fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n")); |
| 459 | fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n")); |
| 460 | fprintf (file, _(" Exclude objects, archive members from auto\n")); |
| 461 | fprintf (file, _(" export, place into import library instead.\n")); |
| 462 | fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n")); |
| 463 | fprintf (file, _(" --kill-at Remove @nn from exported symbols\n")); |
| 464 | fprintf (file, _(" --out-implib <file> Generate import library\n")); |
| 465 | fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); |
| 466 | fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports\n")); |
| 467 | fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ |
| 468 | create __imp_<SYMBOL> as well.\n")); |
| 469 | fprintf (file, _(" --enable-auto-image-base[=<address>] Automatically choose image base for DLLs\n\ |
| 470 | (optionally starting with address) unless\n\ |
| 471 | specifically set with --image-base\n")); |
| 472 | fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n")); |
| 473 | fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\ |
| 474 | an importlib, use <string><basename>.dll\n\ |
| 475 | in preference to lib<basename>.dll \n")); |
| 476 | fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\ |
| 477 | __imp_sym for DATA references\n")); |
| 478 | fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n")); |
| 479 | fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\ |
| 480 | adding pseudo-relocations resolved at\n\ |
| 481 | runtime.\n")); |
| 482 | fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ |
| 483 | auto-imported DATA.\n")); |
| 484 | fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ |
| 485 | or linking to DLLs (esp. auto-import)\n")); |
| 486 | #endif |
| 487 | fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\ |
| 488 | greater than 2 gigabytes\n")); |
| 489 | fprintf (file, _(" --disable-large-address-aware Executable does not support virtual\n\ |
| 490 | addresses greater than 2 gigabytes\n")); |
| 491 | fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\ |
| 492 | executable image files\n")); |
| 493 | fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\ |
| 494 | in object files\n")); |
| 495 | fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\ |
| 496 | address space layout randomization (ASLR)\n")); |
| 497 | fprintf (file, _(" --forceinteg Code integrity checks are enforced\n")); |
| 498 | fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n")); |
| 499 | fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n")); |
| 500 | fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\ |
| 501 | be called in this image\n")); |
| 502 | fprintf (file, _(" --no-bind Do not bind this image\n")); |
| 503 | fprintf (file, _(" --wdmdriver Driver uses the WDM model\n")); |
| 504 | fprintf (file, _(" --tsaware Image is Terminal Server aware\n")); |
| 505 | fprintf (file, _(" --build-id[=STYLE] Generate build ID\n")); |
| 506 | } |
| 507 | |
| 508 | |
| 509 | static void |
| 510 | set_pe_name (char *name, long val) |
| 511 | { |
| 512 | int i; |
| 513 | is_underscoring (); |
| 514 | |
| 515 | /* Find the name and set it. */ |
| 516 | for (i = 0; init[i].ptr; i++) |
| 517 | { |
| 518 | if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0) |
| 519 | { |
| 520 | init[i].value = val; |
| 521 | init[i].inited = 1; |
| 522 | if (strcmp (name,"__image_base__") == 0) |
| 523 | set_pe_name (U ("__ImageBase"), val); |
| 524 | return; |
| 525 | } |
| 526 | } |
| 527 | abort (); |
| 528 | } |
| 529 | |
| 530 | static void |
| 531 | set_entry_point (void) |
| 532 | { |
| 533 | const char *entry; |
| 534 | const char *initial_symbol_char; |
| 535 | int i; |
| 536 | |
| 537 | static const struct |
| 538 | { |
| 539 | const int value; |
| 540 | const char *entry; |
| 541 | } |
| 542 | v[] = |
| 543 | { |
| 544 | { 1, "NtProcessStartup" }, |
| 545 | { 2, "WinMainCRTStartup" }, |
| 546 | { 3, "mainCRTStartup" }, |
| 547 | { 7, "__PosixProcessStartup"}, |
| 548 | { 9, "WinMainCRTStartup" }, |
| 549 | {14, "mainCRTStartup" }, |
| 550 | { 0, NULL } |
| 551 | }; |
| 552 | |
| 553 | /* Entry point name for arbitrary subsystem numbers. */ |
| 554 | static const char default_entry[] = "mainCRTStartup"; |
| 555 | |
| 556 | if (link_info.shared || dll) |
| 557 | { |
| 558 | #if defined (TARGET_IS_i386pe) |
| 559 | entry = "DllMainCRTStartup@12"; |
| 560 | #else |
| 561 | entry = "DllMainCRTStartup"; |
| 562 | #endif |
| 563 | } |
| 564 | else |
| 565 | { |
| 566 | |
| 567 | for (i = 0; v[i].entry; i++) |
| 568 | if (v[i].value == pe_subsystem) |
| 569 | break; |
| 570 | |
| 571 | /* If no match, use the default. */ |
| 572 | if (v[i].entry != NULL) |
| 573 | entry = v[i].entry; |
| 574 | else |
| 575 | entry = default_entry; |
| 576 | } |
| 577 | |
| 578 | initial_symbol_char = (is_underscoring () != 0 ? "_" : ""); |
| 579 | |
| 580 | if (*initial_symbol_char != '\0') |
| 581 | { |
| 582 | char *alc_entry; |
| 583 | |
| 584 | /* lang_default_entry expects its argument to be permanently |
| 585 | allocated, so we don't free this string. */ |
| 586 | alc_entry = xmalloc (strlen (initial_symbol_char) |
| 587 | + strlen (entry) |
| 588 | + 1); |
| 589 | strcpy (alc_entry, initial_symbol_char); |
| 590 | strcat (alc_entry, entry); |
| 591 | entry = alc_entry; |
| 592 | } |
| 593 | |
| 594 | lang_default_entry (entry); |
| 595 | } |
| 596 | |
| 597 | static void |
| 598 | set_pe_subsystem (void) |
| 599 | { |
| 600 | const char *sver; |
| 601 | char *end; |
| 602 | int len; |
| 603 | int i; |
| 604 | unsigned long temp_subsystem; |
| 605 | static const struct |
| 606 | { |
| 607 | const char *name; |
| 608 | const int value; |
| 609 | } |
| 610 | v[] = |
| 611 | { |
| 612 | { "native", 1}, |
| 613 | { "windows", 2}, |
| 614 | { "console", 3}, |
| 615 | { "posix", 7}, |
| 616 | { "wince", 9}, |
| 617 | { "xbox", 14}, |
| 618 | { NULL, 0 } |
| 619 | }; |
| 620 | |
| 621 | /* Check for the presence of a version number. */ |
| 622 | sver = strchr (optarg, ':'); |
| 623 | if (sver == NULL) |
| 624 | len = strlen (optarg); |
| 625 | else |
| 626 | { |
| 627 | len = sver - optarg; |
| 628 | set_pe_name ("__major_subsystem_version__", |
| 629 | strtoul (sver + 1, &end, 0)); |
| 630 | if (*end == '.') |
| 631 | set_pe_name ("__minor_subsystem_version__", |
| 632 | strtoul (end + 1, &end, 0)); |
| 633 | if (*end != '\0') |
| 634 | einfo (_("%P: warning: bad version number in -subsystem option\n")); |
| 635 | } |
| 636 | |
| 637 | /* Check for numeric subsystem. */ |
| 638 | temp_subsystem = strtoul (optarg, & end, 0); |
| 639 | if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536)) |
| 640 | { |
| 641 | /* Search list for a numeric match to use its entry point. */ |
| 642 | for (i = 0; v[i].name; i++) |
| 643 | if (v[i].value == (int) temp_subsystem) |
| 644 | break; |
| 645 | |
| 646 | /* Use this subsystem. */ |
| 647 | pe_subsystem = (int) temp_subsystem; |
| 648 | } |
| 649 | else |
| 650 | { |
| 651 | /* Search for subsystem by name. */ |
| 652 | for (i = 0; v[i].name; i++) |
| 653 | if (strncmp (optarg, v[i].name, len) == 0 |
| 654 | && v[i].name[len] == '\0') |
| 655 | break; |
| 656 | |
| 657 | if (v[i].name == NULL) |
| 658 | { |
| 659 | einfo (_("%P%F: invalid subsystem type %s\n"), optarg); |
| 660 | return; |
| 661 | } |
| 662 | |
| 663 | pe_subsystem = v[i].value; |
| 664 | } |
| 665 | |
| 666 | set_pe_name ("__subsystem__", pe_subsystem); |
| 667 | |
| 668 | return; |
| 669 | } |
| 670 | |
| 671 | |
| 672 | static void |
| 673 | set_pe_value (char *name) |
| 674 | { |
| 675 | char *end; |
| 676 | |
| 677 | set_pe_name (name, strtoul (optarg, &end, 0)); |
| 678 | |
| 679 | if (end == optarg) |
| 680 | einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); |
| 681 | |
| 682 | optarg = end; |
| 683 | } |
| 684 | |
| 685 | |
| 686 | static void |
| 687 | set_pe_stack_heap (char *resname, char *comname) |
| 688 | { |
| 689 | set_pe_value (resname); |
| 690 | |
| 691 | if (*optarg == ',') |
| 692 | { |
| 693 | optarg++; |
| 694 | set_pe_value (comname); |
| 695 | } |
| 696 | else if (*optarg) |
| 697 | einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); |
| 698 | } |
| 699 | |
| 700 | #define DEFAULT_BUILD_ID_STYLE "md5" |
| 701 | |
| 702 | static bfd_boolean |
| 703 | gld${EMULATION_NAME}_handle_option (int optc) |
| 704 | { |
| 705 | switch (optc) |
| 706 | { |
| 707 | default: |
| 708 | return FALSE; |
| 709 | |
| 710 | case OPTION_BASE_FILE: |
| 711 | link_info.base_file = fopen (optarg, FOPEN_WB); |
| 712 | if (link_info.base_file == NULL) |
| 713 | einfo (_("%F%P: cannot open base file %s\n"), optarg); |
| 714 | break; |
| 715 | |
| 716 | /* PE options. */ |
| 717 | case OPTION_HEAP: |
| 718 | set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); |
| 719 | break; |
| 720 | case OPTION_STACK: |
| 721 | set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); |
| 722 | break; |
| 723 | case OPTION_SUBSYSTEM: |
| 724 | set_pe_subsystem (); |
| 725 | break; |
| 726 | case OPTION_MAJOR_OS_VERSION: |
| 727 | set_pe_value ("__major_os_version__"); |
| 728 | break; |
| 729 | case OPTION_MINOR_OS_VERSION: |
| 730 | set_pe_value ("__minor_os_version__"); |
| 731 | break; |
| 732 | case OPTION_MAJOR_SUBSYSTEM_VERSION: |
| 733 | set_pe_value ("__major_subsystem_version__"); |
| 734 | break; |
| 735 | case OPTION_MINOR_SUBSYSTEM_VERSION: |
| 736 | set_pe_value ("__minor_subsystem_version__"); |
| 737 | break; |
| 738 | case OPTION_MAJOR_IMAGE_VERSION: |
| 739 | set_pe_value ("__major_image_version__"); |
| 740 | break; |
| 741 | case OPTION_MINOR_IMAGE_VERSION: |
| 742 | set_pe_value ("__minor_image_version__"); |
| 743 | break; |
| 744 | case OPTION_FILE_ALIGNMENT: |
| 745 | set_pe_value ("__file_alignment__"); |
| 746 | break; |
| 747 | case OPTION_SECTION_ALIGNMENT: |
| 748 | set_pe_value ("__section_alignment__"); |
| 749 | break; |
| 750 | case OPTION_DLL: |
| 751 | set_pe_name ("__dll__", 1); |
| 752 | break; |
| 753 | case OPTION_IMAGE_BASE: |
| 754 | set_pe_value ("__image_base__"); |
| 755 | break; |
| 756 | case OPTION_SUPPORT_OLD_CODE: |
| 757 | support_old_code = 1; |
| 758 | break; |
| 759 | case OPTION_THUMB_ENTRY: |
| 760 | thumb_entry_symbol = optarg; |
| 761 | break; |
| 762 | case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES: |
| 763 | pe_use_nul_prefixed_import_tables = TRUE; |
| 764 | break; |
| 765 | case OPTION_NO_LEADING_UNDERSCORE: |
| 766 | pe_leading_underscore = 0; |
| 767 | break; |
| 768 | case OPTION_LEADING_UNDERSCORE: |
| 769 | pe_leading_underscore = 1; |
| 770 | break; |
| 771 | case OPTION_INSERT_TIMESTAMP: |
| 772 | insert_timestamp = TRUE; |
| 773 | break; |
| 774 | case OPTION_NO_INSERT_TIMESTAMP: |
| 775 | insert_timestamp = FALSE; |
| 776 | break; |
| 777 | #ifdef DLL_SUPPORT |
| 778 | case OPTION_OUT_DEF: |
| 779 | pe_out_def_filename = xstrdup (optarg); |
| 780 | break; |
| 781 | case OPTION_EXPORT_ALL: |
| 782 | pe_dll_export_everything = 1; |
| 783 | break; |
| 784 | case OPTION_EXCLUDE_SYMBOLS: |
| 785 | pe_dll_add_excludes (optarg, EXCLUDESYMS); |
| 786 | break; |
| 787 | case OPTION_EXCLUDE_ALL_SYMBOLS: |
| 788 | pe_dll_exclude_all_symbols = 1; |
| 789 | break; |
| 790 | case OPTION_EXCLUDE_LIBS: |
| 791 | pe_dll_add_excludes (optarg, EXCLUDELIBS); |
| 792 | break; |
| 793 | case OPTION_EXCLUDE_MODULES_FOR_IMPLIB: |
| 794 | pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB); |
| 795 | break; |
| 796 | case OPTION_KILL_ATS: |
| 797 | pe_dll_kill_ats = 1; |
| 798 | break; |
| 799 | case OPTION_STDCALL_ALIASES: |
| 800 | pe_dll_stdcall_aliases = 1; |
| 801 | break; |
| 802 | case OPTION_ENABLE_STDCALL_FIXUP: |
| 803 | pe_enable_stdcall_fixup = 1; |
| 804 | break; |
| 805 | case OPTION_DISABLE_STDCALL_FIXUP: |
| 806 | pe_enable_stdcall_fixup = 0; |
| 807 | break; |
| 808 | case OPTION_IMPLIB_FILENAME: |
| 809 | pe_implib_filename = xstrdup (optarg); |
| 810 | break; |
| 811 | case OPTION_WARN_DUPLICATE_EXPORTS: |
| 812 | pe_dll_warn_dup_exports = 1; |
| 813 | break; |
| 814 | case OPTION_IMP_COMPAT: |
| 815 | pe_dll_compat_implib = 1; |
| 816 | break; |
| 817 | case OPTION_ENABLE_AUTO_IMAGE_BASE: |
| 818 | pe_enable_auto_image_base = 1; |
| 819 | if (optarg && *optarg) |
| 820 | { |
| 821 | char *end; |
| 822 | pe_auto_image_base = strtoul (optarg, &end, 0); |
| 823 | /* XXX should check that we actually parsed something */ |
| 824 | } |
| 825 | break; |
| 826 | case OPTION_DISABLE_AUTO_IMAGE_BASE: |
| 827 | pe_enable_auto_image_base = 0; |
| 828 | break; |
| 829 | case OPTION_DLL_SEARCH_PREFIX: |
| 830 | pe_dll_search_prefix = xstrdup (optarg); |
| 831 | break; |
| 832 | case OPTION_NO_DEFAULT_EXCLUDES: |
| 833 | pe_dll_do_default_excludes = 0; |
| 834 | break; |
| 835 | case OPTION_DLL_ENABLE_AUTO_IMPORT: |
| 836 | link_info.pei386_auto_import = 1; |
| 837 | break; |
| 838 | case OPTION_DLL_DISABLE_AUTO_IMPORT: |
| 839 | link_info.pei386_auto_import = 0; |
| 840 | break; |
| 841 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: |
| 842 | link_info.pei386_runtime_pseudo_reloc = |
| 843 | DEFAULT_PSEUDO_RELOC_VERSION; |
| 844 | break; |
| 845 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1: |
| 846 | link_info.pei386_runtime_pseudo_reloc = 1; |
| 847 | break; |
| 848 | case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2: |
| 849 | link_info.pei386_runtime_pseudo_reloc = 2; |
| 850 | break; |
| 851 | case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: |
| 852 | link_info.pei386_runtime_pseudo_reloc = 0; |
| 853 | break; |
| 854 | case OPTION_ENABLE_EXTRA_PE_DEBUG: |
| 855 | pe_dll_extra_pe_debug = 1; |
| 856 | break; |
| 857 | #endif |
| 858 | case OPTION_LARGE_ADDRESS_AWARE: |
| 859 | real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; |
| 860 | break; |
| 861 | case OPTION_DISABLE_LARGE_ADDRESS_AWARE: |
| 862 | real_flags &= ~ IMAGE_FILE_LARGE_ADDRESS_AWARE; |
| 863 | break; |
| 864 | case OPTION_ENABLE_LONG_SECTION_NAMES: |
| 865 | pe_use_coff_long_section_names = 1; |
| 866 | break; |
| 867 | case OPTION_DISABLE_LONG_SECTION_NAMES: |
| 868 | pe_use_coff_long_section_names = 0; |
| 869 | break; |
| 870 | /* Get DLLCharacteristics bits */ |
| 871 | case OPTION_DYNAMIC_BASE: |
| 872 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE; |
| 873 | break; |
| 874 | case OPTION_FORCE_INTEGRITY: |
| 875 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY; |
| 876 | break; |
| 877 | case OPTION_NX_COMPAT: |
| 878 | pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT; |
| 879 | break; |
| 880 | case OPTION_NO_ISOLATION: |
| 881 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION; |
| 882 | break; |
| 883 | case OPTION_NO_SEH: |
| 884 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH; |
| 885 | break; |
| 886 | case OPTION_NO_BIND: |
| 887 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND; |
| 888 | break; |
| 889 | case OPTION_WDM_DRIVER: |
| 890 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER; |
| 891 | break; |
| 892 | case OPTION_TERMINAL_SERVER_AWARE: |
| 893 | pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE; |
| 894 | break; |
| 895 | case OPTION_BUILD_ID: |
| 896 | if (emit_build_id != NULL) |
| 897 | { |
| 898 | free ((char *) emit_build_id); |
| 899 | emit_build_id = NULL; |
| 900 | } |
| 901 | if (optarg == NULL) |
| 902 | optarg = DEFAULT_BUILD_ID_STYLE; |
| 903 | if (strcmp (optarg, "none")) |
| 904 | emit_build_id = xstrdup (optarg); |
| 905 | break; |
| 906 | } |
| 907 | |
| 908 | /* Set DLLCharacteristics bits */ |
| 909 | set_pe_name ("__dll_characteristics__", pe_dll_characteristics); |
| 910 | |
| 911 | return TRUE; |
| 912 | } |
| 913 | \f |
| 914 | |
| 915 | #ifdef DLL_SUPPORT |
| 916 | static unsigned long |
| 917 | strhash (const char *str) |
| 918 | { |
| 919 | const unsigned char *s; |
| 920 | unsigned long hash; |
| 921 | unsigned int c; |
| 922 | unsigned int len; |
| 923 | |
| 924 | hash = 0; |
| 925 | len = 0; |
| 926 | s = (const unsigned char *) str; |
| 927 | while ((c = *s++) != '\0') |
| 928 | { |
| 929 | hash += c + (c << 17); |
| 930 | hash ^= hash >> 2; |
| 931 | ++len; |
| 932 | } |
| 933 | hash += len + (len << 17); |
| 934 | hash ^= hash >> 2; |
| 935 | |
| 936 | return hash; |
| 937 | } |
| 938 | |
| 939 | /* Use the output file to create a image base for relocatable DLLs. */ |
| 940 | |
| 941 | static unsigned long |
| 942 | compute_dll_image_base (const char *ofile) |
| 943 | { |
| 944 | unsigned long hash = strhash (ofile); |
| 945 | return pe_auto_image_base + ((hash << 16) & 0x0FFC0000); |
| 946 | } |
| 947 | #endif |
| 948 | |
| 949 | /* Assign values to the special symbols before the linker script is |
| 950 | read. */ |
| 951 | |
| 952 | static void |
| 953 | gld_${EMULATION_NAME}_set_symbols (void) |
| 954 | { |
| 955 | /* Run through and invent symbols for all the |
| 956 | names and insert the defaults. */ |
| 957 | int j; |
| 958 | |
| 959 | is_underscoring (); |
| 960 | |
| 961 | if (!init[IMAGEBASEOFF].inited) |
| 962 | { |
| 963 | if (link_info.relocatable) |
| 964 | init[IMAGEBASEOFF].value = 0; |
| 965 | else if (init[DLLOFF].value || (link_info.shared && !link_info.pie)) |
| 966 | { |
| 967 | #ifdef DLL_SUPPORT |
| 968 | init[IMAGEBASEOFF].value = (pe_enable_auto_image_base |
| 969 | ? compute_dll_image_base (output_filename) |
| 970 | : NT_DLL_IMAGE_BASE); |
| 971 | #else |
| 972 | init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; |
| 973 | #endif |
| 974 | } |
| 975 | else |
| 976 | init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; |
| 977 | init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value; |
| 978 | } |
| 979 | |
| 980 | /* Don't do any symbol assignments if this is a relocatable link. */ |
| 981 | if (link_info.relocatable) |
| 982 | return; |
| 983 | |
| 984 | /* Glue the assignments into the abs section. */ |
| 985 | push_stat_ptr (&abs_output_section->children); |
| 986 | |
| 987 | for (j = 0; init[j].ptr; j++) |
| 988 | { |
| 989 | long val = init[j].value; |
| 990 | lang_assignment_statement_type *rv; |
| 991 | |
| 992 | rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j), |
| 993 | exp_intop (val), FALSE)); |
| 994 | if (init[j].size == sizeof (short)) |
| 995 | *(short *) init[j].ptr = val; |
| 996 | else if (init[j].size == sizeof (int)) |
| 997 | *(int *) init[j].ptr = val; |
| 998 | else if (init[j].size == sizeof (long)) |
| 999 | *(long *) init[j].ptr = val; |
| 1000 | /* This might be a long long or other special type. */ |
| 1001 | else if (init[j].size == sizeof (bfd_vma)) |
| 1002 | *(bfd_vma *) init[j].ptr = val; |
| 1003 | else abort (); |
| 1004 | if (j == IMAGEBASEOFF) |
| 1005 | image_base_statement = rv; |
| 1006 | } |
| 1007 | /* Restore the pointer. */ |
| 1008 | pop_stat_ptr (); |
| 1009 | |
| 1010 | if (pe.FileAlignment > pe.SectionAlignment) |
| 1011 | { |
| 1012 | einfo (_("%P: warning, file alignment > section alignment.\n")); |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | /* This is called after the linker script and the command line options |
| 1017 | have been read. */ |
| 1018 | |
| 1019 | static void |
| 1020 | gld_${EMULATION_NAME}_after_parse (void) |
| 1021 | { |
| 1022 | /* PR ld/6744: Warn the user if they have used an ELF-only |
| 1023 | option hoping it will work on PE. */ |
| 1024 | if (link_info.export_dynamic) |
| 1025 | einfo (_("%P: warning: --export-dynamic is not supported for PE " |
| 1026 | "targets, did you mean --export-all-symbols?\n")); |
| 1027 | |
| 1028 | set_entry_point (); |
| 1029 | |
| 1030 | after_parse_default (); |
| 1031 | } |
| 1032 | |
| 1033 | /* pe-dll.c directly accesses pe_data_import_dll, |
| 1034 | so it must be defined outside of #ifdef DLL_SUPPORT. |
| 1035 | Note - this variable is deliberately not initialised. |
| 1036 | This allows it to be treated as a common varaible, and only |
| 1037 | exist in one incarnation in a multiple target enabled linker. */ |
| 1038 | char * pe_data_import_dll; |
| 1039 | |
| 1040 | #ifdef DLL_SUPPORT |
| 1041 | static struct bfd_link_hash_entry *pe_undef_found_sym; |
| 1042 | |
| 1043 | static bfd_boolean |
| 1044 | pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) |
| 1045 | { |
| 1046 | int sl; |
| 1047 | char *string = inf; |
| 1048 | const char *hs = h->root.string; |
| 1049 | |
| 1050 | sl = strlen (string); |
| 1051 | if (h->type == bfd_link_hash_defined |
| 1052 | && ((*hs == '@' && *string == '_' |
| 1053 | && strncmp (hs + 1, string + 1, sl - 1) == 0) |
| 1054 | || strncmp (hs, string, sl) == 0) |
| 1055 | && h->root.string[sl] == '@') |
| 1056 | { |
| 1057 | pe_undef_found_sym = h; |
| 1058 | return FALSE; |
| 1059 | } |
| 1060 | return TRUE; |
| 1061 | } |
| 1062 | |
| 1063 | static void |
| 1064 | pe_fixup_stdcalls (void) |
| 1065 | { |
| 1066 | static int gave_warning_message = 0; |
| 1067 | struct bfd_link_hash_entry *undef, *sym; |
| 1068 | |
| 1069 | if (pe_dll_extra_pe_debug) |
| 1070 | printf ("%s\n", __FUNCTION__); |
| 1071 | |
| 1072 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
| 1073 | if (undef->type == bfd_link_hash_undefined) |
| 1074 | { |
| 1075 | char* at = strchr (undef->root.string, '@'); |
| 1076 | int lead_at = (*undef->root.string == '@'); |
| 1077 | if (lead_at) |
| 1078 | at = strchr (undef->root.string + 1, '@'); |
| 1079 | |
| 1080 | if (at || lead_at) |
| 1081 | { |
| 1082 | /* The symbol is a stdcall symbol, so let's look for a |
| 1083 | cdecl symbol with the same name and resolve to that. */ |
| 1084 | char *cname = xstrdup (undef->root.string); |
| 1085 | |
| 1086 | if (lead_at) |
| 1087 | *cname = '_'; |
| 1088 | at = strchr (cname, '@'); |
| 1089 | if (at) |
| 1090 | *at = 0; |
| 1091 | sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); |
| 1092 | |
| 1093 | if (sym && sym->type == bfd_link_hash_defined) |
| 1094 | { |
| 1095 | undef->type = bfd_link_hash_defined; |
| 1096 | undef->u.def.value = sym->u.def.value; |
| 1097 | undef->u.def.section = sym->u.def.section; |
| 1098 | |
| 1099 | if (pe_enable_stdcall_fixup == -1) |
| 1100 | { |
| 1101 | einfo (_("Warning: resolving %s by linking to %s\n"), |
| 1102 | undef->root.string, cname); |
| 1103 | if (! gave_warning_message) |
| 1104 | { |
| 1105 | gave_warning_message = 1; |
| 1106 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
| 1107 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); |
| 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | } |
| 1112 | else |
| 1113 | { |
| 1114 | /* The symbol is a cdecl symbol, so we look for stdcall |
| 1115 | symbols - which means scanning the whole symbol table. */ |
| 1116 | pe_undef_found_sym = 0; |
| 1117 | bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, |
| 1118 | (char *) undef->root.string); |
| 1119 | sym = pe_undef_found_sym; |
| 1120 | if (sym) |
| 1121 | { |
| 1122 | undef->type = bfd_link_hash_defined; |
| 1123 | undef->u.def.value = sym->u.def.value; |
| 1124 | undef->u.def.section = sym->u.def.section; |
| 1125 | |
| 1126 | if (pe_enable_stdcall_fixup == -1) |
| 1127 | { |
| 1128 | einfo (_("Warning: resolving %s by linking to %s\n"), |
| 1129 | undef->root.string, sym->root.string); |
| 1130 | if (! gave_warning_message) |
| 1131 | { |
| 1132 | gave_warning_message = 1; |
| 1133 | einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); |
| 1134 | einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); |
| 1135 | } |
| 1136 | } |
| 1137 | } |
| 1138 | } |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | static int |
| 1143 | make_import_fixup (arelent *rel, asection *s) |
| 1144 | { |
| 1145 | struct bfd_symbol *sym = *rel->sym_ptr_ptr; |
| 1146 | char addend[4]; |
| 1147 | |
| 1148 | if (pe_dll_extra_pe_debug) |
| 1149 | printf ("arelent: %s@%#lx: add=%li\n", sym->name, |
| 1150 | (unsigned long) rel->address, (long) rel->addend); |
| 1151 | |
| 1152 | if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend))) |
| 1153 | einfo (_("%C: Cannot get section contents - auto-import exception\n"), |
| 1154 | s->owner, s, rel->address); |
| 1155 | |
| 1156 | pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend)); |
| 1157 | |
| 1158 | return 1; |
| 1159 | } |
| 1160 | |
| 1161 | static void |
| 1162 | pe_find_data_imports (void) |
| 1163 | { |
| 1164 | struct bfd_link_hash_entry *undef, *sym; |
| 1165 | |
| 1166 | if (link_info.pei386_auto_import == 0) |
| 1167 | return; |
| 1168 | |
| 1169 | for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next) |
| 1170 | { |
| 1171 | if (undef->type == bfd_link_hash_undefined) |
| 1172 | { |
| 1173 | /* C++ symbols are *long*. */ |
| 1174 | char buf[4096]; |
| 1175 | |
| 1176 | if (pe_dll_extra_pe_debug) |
| 1177 | printf ("%s:%s\n", __FUNCTION__, undef->root.string); |
| 1178 | |
| 1179 | sprintf (buf, "__imp_%s", undef->root.string); |
| 1180 | |
| 1181 | sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); |
| 1182 | |
| 1183 | if (sym && sym->type == bfd_link_hash_defined) |
| 1184 | { |
| 1185 | bfd *b = sym->u.def.section->owner; |
| 1186 | asymbol **symbols; |
| 1187 | int nsyms, i; |
| 1188 | |
| 1189 | if (link_info.pei386_auto_import == -1) |
| 1190 | { |
| 1191 | static bfd_boolean warned = FALSE; |
| 1192 | |
| 1193 | info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), |
| 1194 | undef->root.string, buf); |
| 1195 | |
| 1196 | /* PR linker/4844. */ |
| 1197 | if (! warned) |
| 1198 | { |
| 1199 | warned = TRUE; |
| 1200 | einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\ |
| 1201 | This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n")); |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | if (!bfd_generic_link_read_symbols (b)) |
| 1206 | { |
| 1207 | einfo (_("%B%F: could not read symbols: %E\n"), b); |
| 1208 | return; |
| 1209 | } |
| 1210 | |
| 1211 | symbols = bfd_get_outsymbols (b); |
| 1212 | nsyms = bfd_get_symcount (b); |
| 1213 | |
| 1214 | for (i = 0; i < nsyms; i++) |
| 1215 | { |
| 1216 | if (! CONST_STRNEQ (symbols[i]->name, |
| 1217 | U ("_head_"))) |
| 1218 | continue; |
| 1219 | |
| 1220 | if (pe_dll_extra_pe_debug) |
| 1221 | printf ("->%s\n", symbols[i]->name); |
| 1222 | |
| 1223 | pe_data_import_dll = (char *) (symbols[i]->name |
| 1224 | + U_SIZE ("_head_") - 1); |
| 1225 | break; |
| 1226 | } |
| 1227 | |
| 1228 | pe_walk_relocs_of_symbol (&link_info, undef->root.string, |
| 1229 | make_import_fixup); |
| 1230 | |
| 1231 | /* Let's differentiate it somehow from defined. */ |
| 1232 | undef->type = bfd_link_hash_defweak; |
| 1233 | /* We replace original name with __imp_ prefixed, this |
| 1234 | 1) may trash memory 2) leads to duplicate symbol generation. |
| 1235 | Still, IMHO it's better than having name poluted. */ |
| 1236 | undef->root.string = sym->root.string; |
| 1237 | undef->u.def.value = sym->u.def.value; |
| 1238 | undef->u.def.section = sym->u.def.section; |
| 1239 | } |
| 1240 | } |
| 1241 | } |
| 1242 | } |
| 1243 | |
| 1244 | static bfd_boolean |
| 1245 | pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED) |
| 1246 | { |
| 1247 | printf ("+%s\n", h->string); |
| 1248 | |
| 1249 | return TRUE; |
| 1250 | } |
| 1251 | #endif /* DLL_SUPPORT */ |
| 1252 | |
| 1253 | static void |
| 1254 | debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj) |
| 1255 | { |
| 1256 | int *found = (int *) obj; |
| 1257 | if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0) |
| 1258 | *found = 1; |
| 1259 | } |
| 1260 | |
| 1261 | static bfd_boolean |
| 1262 | pecoff_checksum_contents (bfd *abfd, |
| 1263 | void (*process) (const void *, size_t, void *), |
| 1264 | void *arg) |
| 1265 | { |
| 1266 | file_ptr filepos = (file_ptr) 0; |
| 1267 | |
| 1268 | while (1) |
| 1269 | { |
| 1270 | unsigned char b; |
| 1271 | int status; |
| 1272 | |
| 1273 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) |
| 1274 | return 0; |
| 1275 | |
| 1276 | status = bfd_bread (&b, (bfd_size_type) 1, abfd); |
| 1277 | if (status < 1) |
| 1278 | { |
| 1279 | break; |
| 1280 | } |
| 1281 | |
| 1282 | (*process) (&b, 1, arg); |
| 1283 | filepos += 1; |
| 1284 | } |
| 1285 | |
| 1286 | return TRUE; |
| 1287 | } |
| 1288 | |
| 1289 | static bfd_boolean |
| 1290 | write_build_id (bfd *abfd) |
| 1291 | { |
| 1292 | struct pe_tdata *t = pe_data (abfd); |
| 1293 | asection *asec; |
| 1294 | struct bfd_link_order *link_order = NULL; |
| 1295 | unsigned char *contents; |
| 1296 | bfd_size_type size; |
| 1297 | bfd_size_type build_id_size; |
| 1298 | unsigned char *build_id; |
| 1299 | |
| 1300 | /* Find the section the .buildid output section has been merged info. */ |
| 1301 | for (asec = abfd->sections; asec != NULL; asec = asec->next) |
| 1302 | { |
| 1303 | struct bfd_link_order *l = NULL; |
| 1304 | for (l = asec->map_head.link_order; l != NULL; l = l->next) |
| 1305 | { |
| 1306 | if ((l->type == bfd_indirect_link_order)) |
| 1307 | { |
| 1308 | if (l->u.indirect.section == t->build_id.sec) |
| 1309 | { |
| 1310 | link_order = l; |
| 1311 | break; |
| 1312 | } |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | if (link_order) |
| 1317 | break; |
| 1318 | } |
| 1319 | |
| 1320 | if (!link_order) |
| 1321 | { |
| 1322 | einfo (_("%P: warning: .buildid section discarded," |
| 1323 | " --build-id ignored.\n")); |
| 1324 | return TRUE; |
| 1325 | } |
| 1326 | |
| 1327 | if (t->build_id.sec->contents == NULL) |
| 1328 | t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size); |
| 1329 | contents = t->build_id.sec->contents; |
| 1330 | size = t->build_id.sec->size; |
| 1331 | |
| 1332 | build_id_size = compute_build_id_size (t->build_id.style); |
| 1333 | build_id = xmalloc (build_id_size); |
| 1334 | generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size); |
| 1335 | |
| 1336 | bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase; |
| 1337 | |
| 1338 | /* Construct a debug directory entry which points to an immediately following CodeView record. */ |
| 1339 | struct internal_IMAGE_DEBUG_DIRECTORY idd; |
| 1340 | idd.Characteristics = 0; |
| 1341 | idd.TimeDateStamp = 0; |
| 1342 | idd.MajorVersion = 0; |
| 1343 | idd.MinorVersion = 0; |
| 1344 | idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW; |
| 1345 | idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1; |
| 1346 | idd.AddressOfRawData = asec->vma - ib + link_order->offset |
| 1347 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); |
| 1348 | idd.PointerToRawData = asec->filepos + link_order->offset |
| 1349 | + sizeof (struct external_IMAGE_DEBUG_DIRECTORY); |
| 1350 | |
| 1351 | struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents; |
| 1352 | _bfd_XXi_swap_debugdir_out (abfd, &idd, ext); |
| 1353 | |
| 1354 | /* Write the debug directory entry. */ |
| 1355 | if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0) |
| 1356 | return 0; |
| 1357 | |
| 1358 | if ((bfd_bwrite (contents, size, abfd) != size)) |
| 1359 | return 0; |
| 1360 | |
| 1361 | /* Construct the CodeView record. */ |
| 1362 | CODEVIEW_INFO cvinfo; |
| 1363 | cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE; |
| 1364 | cvinfo.Age = 1; |
| 1365 | |
| 1366 | /* Zero pad or truncate the generated build_id to fit in the CodeView record. */ |
| 1367 | memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH); |
| 1368 | memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH) |
| 1369 | ? CV_INFO_SIGNATURE_LENGTH : build_id_size); |
| 1370 | |
| 1371 | free (build_id); |
| 1372 | |
| 1373 | /* Write the codeview record. */ |
| 1374 | if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0) |
| 1375 | return 0; |
| 1376 | |
| 1377 | /* Record the location of the debug directory in the data directory. */ |
| 1378 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress |
| 1379 | = asec->vma - ib + link_order->offset; |
| 1380 | pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size |
| 1381 | = sizeof (struct external_IMAGE_DEBUG_DIRECTORY); |
| 1382 | |
| 1383 | return TRUE; |
| 1384 | } |
| 1385 | |
| 1386 | /* Make .buildid section, and set up coff_tdata->build_id. */ |
| 1387 | static bfd_boolean |
| 1388 | setup_build_id (bfd *ibfd) |
| 1389 | { |
| 1390 | asection *s; |
| 1391 | flagword flags; |
| 1392 | |
| 1393 | if (!validate_build_id_style (emit_build_id)) |
| 1394 | { |
| 1395 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); |
| 1396 | return FALSE; |
| 1397 | } |
| 1398 | |
| 1399 | flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY |
| 1400 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); |
| 1401 | s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags); |
| 1402 | if (s != NULL) |
| 1403 | { |
| 1404 | struct pe_tdata *t = pe_data (link_info.output_bfd); |
| 1405 | t->build_id.after_write_object_contents = &write_build_id; |
| 1406 | t->build_id.style = emit_build_id; |
| 1407 | t->build_id.sec = s; |
| 1408 | |
| 1409 | /* Section is a fixed size: |
| 1410 | One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW, |
| 1411 | pointing at a CV_INFO_PDB70 record containing the build-id, with a |
| 1412 | null byte for PdbFileName. */ |
| 1413 | s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY) |
| 1414 | + sizeof (CV_INFO_PDB70) + 1; |
| 1415 | |
| 1416 | return TRUE; |
| 1417 | } |
| 1418 | |
| 1419 | einfo ("%P: warning: Cannot create .buildid section," |
| 1420 | " --build-id ignored.\n"); |
| 1421 | return FALSE; |
| 1422 | } |
| 1423 | |
| 1424 | static void |
| 1425 | gld_${EMULATION_NAME}_after_open (void) |
| 1426 | { |
| 1427 | after_open_default (); |
| 1428 | |
| 1429 | #ifdef DLL_SUPPORT |
| 1430 | if (pe_dll_extra_pe_debug) |
| 1431 | { |
| 1432 | bfd *a; |
| 1433 | struct bfd_link_hash_entry *sym; |
| 1434 | |
| 1435 | printf ("%s()\n", __FUNCTION__); |
| 1436 | |
| 1437 | for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next) |
| 1438 | printf ("-%s\n", sym->root.string); |
| 1439 | bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL); |
| 1440 | |
| 1441 | for (a = link_info.input_bfds; a; a = a->link.next) |
| 1442 | printf ("*%s\n",a->filename); |
| 1443 | } |
| 1444 | #endif |
| 1445 | |
| 1446 | if (emit_build_id != NULL) |
| 1447 | { |
| 1448 | bfd *abfd; |
| 1449 | |
| 1450 | /* Find a COFF input. */ |
| 1451 | for (abfd = link_info.input_bfds; |
| 1452 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
| 1453 | if (bfd_get_flavour (abfd) == bfd_target_coff_flavour) |
| 1454 | break; |
| 1455 | |
| 1456 | /* If there are no COFF input files do not try to |
| 1457 | add a build-id section. */ |
| 1458 | if (abfd == NULL |
| 1459 | || !setup_build_id (abfd)) |
| 1460 | { |
| 1461 | free ((char *) emit_build_id); |
| 1462 | emit_build_id = NULL; |
| 1463 | } |
| 1464 | } |
| 1465 | |
| 1466 | /* Pass the wacky PE command line options into the output bfd. |
| 1467 | FIXME: This should be done via a function, rather than by |
| 1468 | including an internal BFD header. */ |
| 1469 | |
| 1470 | if (coff_data (link_info.output_bfd) == NULL |
| 1471 | || coff_data (link_info.output_bfd)->pe == 0) |
| 1472 | einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), |
| 1473 | link_info.output_bfd); |
| 1474 | |
| 1475 | pe_data (link_info.output_bfd)->pe_opthdr = pe; |
| 1476 | pe_data (link_info.output_bfd)->dll = init[DLLOFF].value; |
| 1477 | pe_data (link_info.output_bfd)->real_flags |= real_flags; |
| 1478 | pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp; |
| 1479 | |
| 1480 | /* At this point we must decide whether to use long section names |
| 1481 | in the output or not. If the user hasn't explicitly specified |
| 1482 | on the command line, we leave it to the default for the format |
| 1483 | (object files yes, image files no), except if there is debug |
| 1484 | information present; GDB relies on the long section names to |
| 1485 | find it, so enable it in that case. */ |
| 1486 | if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none) |
| 1487 | { |
| 1488 | if (link_info.relocatable) |
| 1489 | pe_use_coff_long_section_names = 1; |
| 1490 | else |
| 1491 | { |
| 1492 | /* Iterate over all sections of all input BFDs, checking |
| 1493 | for any that begin 'debug_' and are long names. */ |
| 1494 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1495 | { |
| 1496 | int found_debug = 0; |
| 1497 | |
| 1498 | bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug); |
| 1499 | if (found_debug) |
| 1500 | { |
| 1501 | pe_use_coff_long_section_names = 1; |
| 1502 | break; |
| 1503 | } |
| 1504 | } |
| 1505 | } |
| 1506 | } |
| 1507 | |
| 1508 | pe_output_file_set_long_section_names (link_info.output_bfd); |
| 1509 | |
| 1510 | #ifdef DLL_SUPPORT |
| 1511 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
| 1512 | pe_fixup_stdcalls (); |
| 1513 | |
| 1514 | pe_process_import_defs (link_info.output_bfd, &link_info); |
| 1515 | |
| 1516 | pe_find_data_imports (); |
| 1517 | |
| 1518 | /* As possibly new symbols are added by imports, we rerun |
| 1519 | stdcall/fastcall fixup here. */ |
| 1520 | if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ |
| 1521 | pe_fixup_stdcalls (); |
| 1522 | |
| 1523 | #if defined (TARGET_IS_i386pe) \ |
| 1524 | || defined (TARGET_IS_armpe) \ |
| 1525 | || defined (TARGET_IS_arm_epoc_pe) \ |
| 1526 | || defined (TARGET_IS_arm_wince_pe) |
| 1527 | if (!link_info.relocatable) |
| 1528 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
| 1529 | #else |
| 1530 | if (link_info.shared) |
| 1531 | pe_dll_build_sections (link_info.output_bfd, &link_info); |
| 1532 | else |
| 1533 | pe_exe_build_sections (link_info.output_bfd, &link_info); |
| 1534 | #endif |
| 1535 | #endif /* DLL_SUPPORT */ |
| 1536 | |
| 1537 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
| 1538 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
| 1539 | { |
| 1540 | /* The arm backend needs special fields in the output hash structure. |
| 1541 | These will only be created if the output format is an arm format, |
| 1542 | hence we do not support linking and changing output formats at the |
| 1543 | same time. Use a link followed by objcopy to change output formats. */ |
| 1544 | einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); |
| 1545 | return; |
| 1546 | } |
| 1547 | { |
| 1548 | /* Find a BFD that can hold the interworking stubs. */ |
| 1549 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1550 | { |
| 1551 | if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info)) |
| 1552 | break; |
| 1553 | } |
| 1554 | } |
| 1555 | #endif |
| 1556 | |
| 1557 | { |
| 1558 | /* This next chunk of code tries to detect the case where you have |
| 1559 | two import libraries for the same DLL (specifically, |
| 1560 | symbolically linking libm.a and libc.a in cygwin to |
| 1561 | libcygwin.a). In those cases, it's possible for function |
| 1562 | thunks from the second implib to be used but without the |
| 1563 | head/tail objects, causing an improper import table. We detect |
| 1564 | those cases and rename the "other" import libraries to match |
| 1565 | the one the head/tail come from, so that the linker will sort |
| 1566 | things nicely and produce a valid import table. */ |
| 1567 | |
| 1568 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1569 | { |
| 1570 | if (is->the_bfd->my_archive) |
| 1571 | { |
| 1572 | int idata2 = 0, reloc_count=0, is_imp = 0; |
| 1573 | asection *sec; |
| 1574 | |
| 1575 | /* See if this is an import library thunk. */ |
| 1576 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
| 1577 | { |
| 1578 | if (strcmp (sec->name, ".idata\$2") == 0) |
| 1579 | idata2 = 1; |
| 1580 | if (CONST_STRNEQ (sec->name, ".idata\$")) |
| 1581 | is_imp = 1; |
| 1582 | reloc_count += sec->reloc_count; |
| 1583 | } |
| 1584 | |
| 1585 | if (is_imp && !idata2 && reloc_count) |
| 1586 | { |
| 1587 | /* It is, look for the reference to head and see if it's |
| 1588 | from our own library. */ |
| 1589 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
| 1590 | { |
| 1591 | int i; |
| 1592 | long relsize; |
| 1593 | asymbol **symbols; |
| 1594 | arelent **relocs; |
| 1595 | int nrelocs; |
| 1596 | |
| 1597 | relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); |
| 1598 | if (relsize < 1) |
| 1599 | break; |
| 1600 | |
| 1601 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
| 1602 | { |
| 1603 | einfo (_("%B%F: could not read symbols: %E\n"), |
| 1604 | is->the_bfd); |
| 1605 | return; |
| 1606 | } |
| 1607 | symbols = bfd_get_outsymbols (is->the_bfd); |
| 1608 | |
| 1609 | relocs = xmalloc ((size_t) relsize); |
| 1610 | nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, |
| 1611 | relocs, symbols); |
| 1612 | if (nrelocs < 0) |
| 1613 | { |
| 1614 | free (relocs); |
| 1615 | einfo ("%X%P: unable to process relocs: %E\n"); |
| 1616 | return; |
| 1617 | } |
| 1618 | |
| 1619 | for (i = 0; i < nrelocs; i++) |
| 1620 | { |
| 1621 | struct bfd_symbol *s; |
| 1622 | struct bfd_link_hash_entry * blhe; |
| 1623 | char *other_bfd_filename; |
| 1624 | char *n; |
| 1625 | |
| 1626 | s = (relocs[i]->sym_ptr_ptr)[0]; |
| 1627 | |
| 1628 | if (s->flags & BSF_LOCAL) |
| 1629 | continue; |
| 1630 | |
| 1631 | /* Thunk section with reloc to another bfd. */ |
| 1632 | blhe = bfd_link_hash_lookup (link_info.hash, |
| 1633 | s->name, |
| 1634 | FALSE, FALSE, TRUE); |
| 1635 | |
| 1636 | if (blhe == NULL |
| 1637 | || blhe->type != bfd_link_hash_defined) |
| 1638 | continue; |
| 1639 | |
| 1640 | other_bfd_filename |
| 1641 | = blhe->u.def.section->owner->my_archive |
| 1642 | ? bfd_get_filename (blhe->u.def.section->owner->my_archive) |
| 1643 | : bfd_get_filename (blhe->u.def.section->owner); |
| 1644 | |
| 1645 | if (filename_cmp (bfd_get_filename |
| 1646 | (is->the_bfd->my_archive), |
| 1647 | other_bfd_filename) == 0) |
| 1648 | continue; |
| 1649 | |
| 1650 | /* Rename this implib to match the other one. */ |
| 1651 | n = xmalloc (strlen (other_bfd_filename) + 1); |
| 1652 | strcpy (n, other_bfd_filename); |
| 1653 | is->the_bfd->my_archive->filename = n; |
| 1654 | } |
| 1655 | |
| 1656 | free (relocs); |
| 1657 | /* Note - we do not free the symbols, |
| 1658 | they are now cached in the BFD. */ |
| 1659 | } |
| 1660 | } |
| 1661 | } |
| 1662 | } |
| 1663 | } |
| 1664 | |
| 1665 | { |
| 1666 | int is_ms_arch = 0; |
| 1667 | bfd *cur_arch = 0; |
| 1668 | lang_input_statement_type *is2; |
| 1669 | lang_input_statement_type *is3; |
| 1670 | |
| 1671 | /* Careful - this is a shell script. Watch those dollar signs! */ |
| 1672 | /* Microsoft import libraries have every member named the same, |
| 1673 | and not in the right order for us to link them correctly. We |
| 1674 | must detect these and rename the members so that they'll link |
| 1675 | correctly. There are three types of objects: the head, the |
| 1676 | thunks, and the sentinel(s). The head is easy; it's the one |
| 1677 | with idata2. We assume that the sentinels won't have relocs, |
| 1678 | and the thunks will. It's easier than checking the symbol |
| 1679 | table for external references. */ |
| 1680 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1681 | { |
| 1682 | if (is->the_bfd->my_archive) |
| 1683 | { |
| 1684 | char *pnt; |
| 1685 | bfd *arch = is->the_bfd->my_archive; |
| 1686 | |
| 1687 | if (cur_arch != arch) |
| 1688 | { |
| 1689 | cur_arch = arch; |
| 1690 | is_ms_arch = 1; |
| 1691 | |
| 1692 | for (is3 = is; |
| 1693 | is3 && is3->the_bfd->my_archive == arch; |
| 1694 | is3 = (lang_input_statement_type *) is3->next) |
| 1695 | { |
| 1696 | /* A MS dynamic import library can also contain static |
| 1697 | members, so look for the first element with a .dll |
| 1698 | extension, and use that for the remainder of the |
| 1699 | comparisons. */ |
| 1700 | pnt = strrchr (is3->the_bfd->filename, '.'); |
| 1701 | if (pnt != NULL && filename_cmp (pnt, ".dll") == 0) |
| 1702 | break; |
| 1703 | } |
| 1704 | |
| 1705 | if (is3 == NULL) |
| 1706 | is_ms_arch = 0; |
| 1707 | else |
| 1708 | { |
| 1709 | /* OK, found one. Now look to see if the remaining |
| 1710 | (dynamic import) members use the same name. */ |
| 1711 | for (is2 = is; |
| 1712 | is2 && is2->the_bfd->my_archive == arch; |
| 1713 | is2 = (lang_input_statement_type *) is2->next) |
| 1714 | { |
| 1715 | /* Skip static members, ie anything with a .obj |
| 1716 | extension. */ |
| 1717 | pnt = strrchr (is2->the_bfd->filename, '.'); |
| 1718 | if (pnt != NULL && filename_cmp (pnt, ".obj") == 0) |
| 1719 | continue; |
| 1720 | |
| 1721 | if (filename_cmp (is3->the_bfd->filename, |
| 1722 | is2->the_bfd->filename)) |
| 1723 | { |
| 1724 | is_ms_arch = 0; |
| 1725 | break; |
| 1726 | } |
| 1727 | } |
| 1728 | } |
| 1729 | } |
| 1730 | |
| 1731 | /* This fragment might have come from an .obj file in a Microsoft |
| 1732 | import, and not an actual import record. If this is the case, |
| 1733 | then leave the filename alone. */ |
| 1734 | pnt = strrchr (is->the_bfd->filename, '.'); |
| 1735 | |
| 1736 | if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0)) |
| 1737 | { |
| 1738 | int idata2 = 0, reloc_count=0; |
| 1739 | asection *sec; |
| 1740 | char *new_name, seq; |
| 1741 | |
| 1742 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
| 1743 | { |
| 1744 | if (strcmp (sec->name, ".idata\$2") == 0) |
| 1745 | idata2 = 1; |
| 1746 | reloc_count += sec->reloc_count; |
| 1747 | } |
| 1748 | |
| 1749 | if (idata2) /* .idata2 is the TOC */ |
| 1750 | seq = 'a'; |
| 1751 | else if (reloc_count > 0) /* thunks */ |
| 1752 | seq = 'b'; |
| 1753 | else /* sentinel */ |
| 1754 | seq = 'c'; |
| 1755 | |
| 1756 | new_name = xmalloc (strlen (is->the_bfd->filename) + 3); |
| 1757 | sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); |
| 1758 | is->the_bfd->filename = new_name; |
| 1759 | |
| 1760 | new_name = xmalloc (strlen (is->filename) + 3); |
| 1761 | sprintf (new_name, "%s.%c", is->filename, seq); |
| 1762 | is->filename = new_name; |
| 1763 | } |
| 1764 | } |
| 1765 | } |
| 1766 | } |
| 1767 | |
| 1768 | { |
| 1769 | /* The following chunk of code tries to identify jump stubs in |
| 1770 | import libraries which are dead code and eliminates them |
| 1771 | from the final link. For each exported symbol <sym>, there |
| 1772 | is a object file in the import library with a .text section |
| 1773 | and several .idata\$* sections. The .text section contains the |
| 1774 | symbol definition for <sym> which is a jump stub of the form |
| 1775 | jmp *__imp_<sym>. The .idata\$5 contains the symbol definition |
| 1776 | for __imp_<sym> which is the address of the slot for <sym> in |
| 1777 | the import address table. When a symbol is imported explicitly |
| 1778 | using __declspec(dllimport) declaration, the compiler generates |
| 1779 | a reference to __imp_<sym> which directly resolves to the |
| 1780 | symbol in .idata\$5, in which case the jump stub code is not |
| 1781 | needed. The following code tries to identify jump stub sections |
| 1782 | in import libraries which are not referred to by anyone and |
| 1783 | marks them for exclusion from the final link. */ |
| 1784 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1785 | { |
| 1786 | if (is->the_bfd->my_archive) |
| 1787 | { |
| 1788 | int is_imp = 0; |
| 1789 | asection *sec, *stub_sec = NULL; |
| 1790 | |
| 1791 | /* See if this is an import library thunk. */ |
| 1792 | for (sec = is->the_bfd->sections; sec; sec = sec->next) |
| 1793 | { |
| 1794 | if (strncmp (sec->name, ".idata\$", 7) == 0) |
| 1795 | is_imp = 1; |
| 1796 | /* The section containing the jmp stub has code |
| 1797 | and has a reloc. */ |
| 1798 | if ((sec->flags & SEC_CODE) && sec->reloc_count) |
| 1799 | stub_sec = sec; |
| 1800 | } |
| 1801 | |
| 1802 | if (is_imp && stub_sec) |
| 1803 | { |
| 1804 | asymbol **symbols; |
| 1805 | long nsyms, src_count; |
| 1806 | struct bfd_link_hash_entry * blhe; |
| 1807 | |
| 1808 | if (!bfd_generic_link_read_symbols (is->the_bfd)) |
| 1809 | { |
| 1810 | einfo (_("%B%F: could not read symbols: %E\n"), |
| 1811 | is->the_bfd); |
| 1812 | return; |
| 1813 | } |
| 1814 | symbols = bfd_get_outsymbols (is->the_bfd); |
| 1815 | nsyms = bfd_get_symcount (is->the_bfd); |
| 1816 | |
| 1817 | for (src_count = 0; src_count < nsyms; src_count++) |
| 1818 | { |
| 1819 | if (symbols[src_count]->section->id == stub_sec->id) |
| 1820 | { |
| 1821 | /* This symbol belongs to the section containing |
| 1822 | the stub. */ |
| 1823 | blhe = bfd_link_hash_lookup (link_info.hash, |
| 1824 | symbols[src_count]->name, |
| 1825 | FALSE, FALSE, TRUE); |
| 1826 | /* If the symbol in the stub section has no other |
| 1827 | undefined references, exclude the stub section |
| 1828 | from the final link. */ |
| 1829 | if (blhe != NULL |
| 1830 | && blhe->type == bfd_link_hash_defined |
| 1831 | && blhe->u.undef.next == NULL |
| 1832 | && blhe != link_info.hash->undefs_tail) |
| 1833 | stub_sec->flags |= SEC_EXCLUDE; |
| 1834 | } |
| 1835 | } |
| 1836 | } |
| 1837 | } |
| 1838 | } |
| 1839 | } |
| 1840 | } |
| 1841 | \f |
| 1842 | static void |
| 1843 | gld_${EMULATION_NAME}_before_allocation (void) |
| 1844 | { |
| 1845 | #ifdef TARGET_IS_ppcpe |
| 1846 | /* Here we rummage through the found bfds to collect toc information. */ |
| 1847 | { |
| 1848 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1849 | { |
| 1850 | if (!ppc_process_before_allocation (is->the_bfd, &link_info)) |
| 1851 | { |
| 1852 | /* xgettext:c-format */ |
| 1853 | einfo (_("Errors encountered processing file %s\n"), is->filename); |
| 1854 | } |
| 1855 | } |
| 1856 | } |
| 1857 | |
| 1858 | /* We have seen it all. Allocate it, and carry on. */ |
| 1859 | ppc_allocate_toc_section (&link_info); |
| 1860 | #endif /* TARGET_IS_ppcpe */ |
| 1861 | |
| 1862 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
| 1863 | /* FIXME: we should be able to set the size of the interworking stub |
| 1864 | section. |
| 1865 | |
| 1866 | Here we rummage through the found bfds to collect glue |
| 1867 | information. FIXME: should this be based on a command line |
| 1868 | option? krk@cygnus.com. */ |
| 1869 | { |
| 1870 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 1871 | { |
| 1872 | if (! bfd_arm_process_before_allocation |
| 1873 | (is->the_bfd, & link_info, support_old_code)) |
| 1874 | { |
| 1875 | /* xgettext:c-format */ |
| 1876 | einfo (_("Errors encountered processing file %s for interworking\n"), |
| 1877 | is->filename); |
| 1878 | } |
| 1879 | } |
| 1880 | } |
| 1881 | |
| 1882 | /* We have seen it all. Allocate it, and carry on. */ |
| 1883 | bfd_arm_allocate_interworking_sections (& link_info); |
| 1884 | #endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */ |
| 1885 | |
| 1886 | before_allocation_default (); |
| 1887 | } |
| 1888 | \f |
| 1889 | #ifdef DLL_SUPPORT |
| 1890 | /* This is called when an input file isn't recognized as a BFD. We |
| 1891 | check here for .DEF files and pull them in automatically. */ |
| 1892 | |
| 1893 | static int |
| 1894 | saw_option (char *option) |
| 1895 | { |
| 1896 | int i; |
| 1897 | |
| 1898 | for (i = 0; init[i].ptr; i++) |
| 1899 | if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0) |
| 1900 | return init[i].inited; |
| 1901 | return 0; |
| 1902 | } |
| 1903 | #endif /* DLL_SUPPORT */ |
| 1904 | |
| 1905 | static bfd_boolean |
| 1906 | gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
| 1907 | { |
| 1908 | #ifdef DLL_SUPPORT |
| 1909 | const char *ext = entry->filename + strlen (entry->filename) - 4; |
| 1910 | |
| 1911 | if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0) |
| 1912 | { |
| 1913 | pe_def_file = def_file_parse (entry->filename, pe_def_file); |
| 1914 | |
| 1915 | if (pe_def_file) |
| 1916 | { |
| 1917 | int i, buflen=0, len; |
| 1918 | char *buf; |
| 1919 | |
| 1920 | for (i = 0; i < pe_def_file->num_exports; i++) |
| 1921 | { |
| 1922 | len = strlen (pe_def_file->exports[i].internal_name); |
| 1923 | if (buflen < len + 2) |
| 1924 | buflen = len + 2; |
| 1925 | } |
| 1926 | |
| 1927 | buf = xmalloc (buflen); |
| 1928 | |
| 1929 | for (i = 0; i < pe_def_file->num_exports; i++) |
| 1930 | { |
| 1931 | struct bfd_link_hash_entry *h; |
| 1932 | |
| 1933 | sprintf (buf, "%s%s", U (""), |
| 1934 | pe_def_file->exports[i].internal_name); |
| 1935 | |
| 1936 | h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE); |
| 1937 | if (h == (struct bfd_link_hash_entry *) NULL) |
| 1938 | einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); |
| 1939 | if (h->type == bfd_link_hash_new) |
| 1940 | { |
| 1941 | h->type = bfd_link_hash_undefined; |
| 1942 | h->u.undef.abfd = NULL; |
| 1943 | bfd_link_add_undef (link_info.hash, h); |
| 1944 | } |
| 1945 | } |
| 1946 | free (buf); |
| 1947 | |
| 1948 | /* def_file_print (stdout, pe_def_file); */ |
| 1949 | if (pe_def_file->is_dll == 1) |
| 1950 | link_info.shared = 1; |
| 1951 | |
| 1952 | if (pe_def_file->base_address != (bfd_vma)(-1)) |
| 1953 | { |
| 1954 | pe.ImageBase |
| 1955 | = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase |
| 1956 | = init[IMAGEBASEOFF].value |
| 1957 | = pe_def_file->base_address; |
| 1958 | init[IMAGEBASEOFF].inited = 1; |
| 1959 | if (image_base_statement) |
| 1960 | image_base_statement->exp |
| 1961 | = exp_assign ("__image_base__", exp_intop (pe.ImageBase), |
| 1962 | FALSE); |
| 1963 | } |
| 1964 | |
| 1965 | if (pe_def_file->stack_reserve != -1 |
| 1966 | && ! saw_option ("__size_of_stack_reserve__")) |
| 1967 | { |
| 1968 | pe.SizeOfStackReserve = pe_def_file->stack_reserve; |
| 1969 | if (pe_def_file->stack_commit != -1) |
| 1970 | pe.SizeOfStackCommit = pe_def_file->stack_commit; |
| 1971 | } |
| 1972 | if (pe_def_file->heap_reserve != -1 |
| 1973 | && ! saw_option ("__size_of_heap_reserve__")) |
| 1974 | { |
| 1975 | pe.SizeOfHeapReserve = pe_def_file->heap_reserve; |
| 1976 | if (pe_def_file->heap_commit != -1) |
| 1977 | pe.SizeOfHeapCommit = pe_def_file->heap_commit; |
| 1978 | } |
| 1979 | return TRUE; |
| 1980 | } |
| 1981 | } |
| 1982 | #endif |
| 1983 | return FALSE; |
| 1984 | } |
| 1985 | |
| 1986 | static bfd_boolean |
| 1987 | gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) |
| 1988 | { |
| 1989 | #ifdef DLL_SUPPORT |
| 1990 | #ifdef TARGET_IS_i386pe |
| 1991 | pe_dll_id_target ("pei-i386"); |
| 1992 | #endif |
| 1993 | #ifdef TARGET_IS_shpe |
| 1994 | pe_dll_id_target ("pei-shl"); |
| 1995 | #endif |
| 1996 | #ifdef TARGET_IS_armpe |
| 1997 | pe_dll_id_target ("pei-arm-little"); |
| 1998 | #endif |
| 1999 | #ifdef TARGET_IS_arm_epoc_pe |
| 2000 | pe_dll_id_target ("epoc-pei-arm-little"); |
| 2001 | #endif |
| 2002 | #ifdef TARGET_IS_arm_wince_pe |
| 2003 | pe_dll_id_target ("pei-arm-wince-little"); |
| 2004 | #endif |
| 2005 | if (pe_bfd_is_dll (entry->the_bfd)) |
| 2006 | return pe_implied_import_dll (entry->filename); |
| 2007 | #endif |
| 2008 | return FALSE; |
| 2009 | } |
| 2010 | |
| 2011 | static void |
| 2012 | gld_${EMULATION_NAME}_finish (void) |
| 2013 | { |
| 2014 | #if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) |
| 2015 | struct bfd_link_hash_entry * h; |
| 2016 | |
| 2017 | if (thumb_entry_symbol != NULL) |
| 2018 | { |
| 2019 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, |
| 2020 | FALSE, FALSE, TRUE); |
| 2021 | |
| 2022 | if (h != (struct bfd_link_hash_entry *) NULL |
| 2023 | && (h->type == bfd_link_hash_defined |
| 2024 | || h->type == bfd_link_hash_defweak) |
| 2025 | && h->u.def.section->output_section != NULL) |
| 2026 | { |
| 2027 | static char buffer[32]; |
| 2028 | bfd_vma val; |
| 2029 | |
| 2030 | /* Special procesing is required for a Thumb entry symbol. The |
| 2031 | bottom bit of its address must be set. */ |
| 2032 | val = (h->u.def.value |
| 2033 | + bfd_get_section_vma (link_info.output_bfd, |
| 2034 | h->u.def.section->output_section) |
| 2035 | + h->u.def.section->output_offset); |
| 2036 | |
| 2037 | val |= 1; |
| 2038 | |
| 2039 | /* Now convert this value into a string and store it in entry_symbol |
| 2040 | where the lang_finish() function will pick it up. */ |
| 2041 | buffer[0] = '0'; |
| 2042 | buffer[1] = 'x'; |
| 2043 | |
| 2044 | sprintf_vma (buffer + 2, val); |
| 2045 | |
| 2046 | if (entry_symbol.name != NULL && entry_from_cmdline) |
| 2047 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
| 2048 | thumb_entry_symbol, entry_symbol.name); |
| 2049 | entry_symbol.name = buffer; |
| 2050 | } |
| 2051 | else |
| 2052 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol); |
| 2053 | } |
| 2054 | #endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */ |
| 2055 | |
| 2056 | finish_default (); |
| 2057 | |
| 2058 | #ifdef DLL_SUPPORT |
| 2059 | if (link_info.shared |
| 2060 | #if !defined(TARGET_IS_shpe) |
| 2061 | || (!link_info.relocatable && pe_def_file->num_exports != 0) |
| 2062 | #endif |
| 2063 | ) |
| 2064 | { |
| 2065 | pe_dll_fill_sections (link_info.output_bfd, &link_info); |
| 2066 | if (pe_implib_filename) |
| 2067 | pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info); |
| 2068 | } |
| 2069 | #if defined(TARGET_IS_shpe) |
| 2070 | /* ARM doesn't need relocs. */ |
| 2071 | else |
| 2072 | { |
| 2073 | pe_exe_fill_sections (link_info.output_bfd, &link_info); |
| 2074 | } |
| 2075 | #endif |
| 2076 | |
| 2077 | if (pe_out_def_filename) |
| 2078 | pe_dll_generate_def_file (pe_out_def_filename); |
| 2079 | #endif /* DLL_SUPPORT */ |
| 2080 | |
| 2081 | /* I don't know where .idata gets set as code, but it shouldn't be. */ |
| 2082 | { |
| 2083 | asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata"); |
| 2084 | |
| 2085 | if (asec) |
| 2086 | { |
| 2087 | asec->flags &= ~SEC_CODE; |
| 2088 | asec->flags |= SEC_DATA; |
| 2089 | } |
| 2090 | } |
| 2091 | } |
| 2092 | |
| 2093 | \f |
| 2094 | /* Place an orphan section. |
| 2095 | |
| 2096 | We use this to put sections in a reasonable place in the file, and |
| 2097 | to ensure that they are aligned as required. |
| 2098 | |
| 2099 | We handle grouped sections here as well. A section named .foo\$nn |
| 2100 | goes into the output section .foo. All grouped sections are sorted |
| 2101 | by name. |
| 2102 | |
| 2103 | Grouped sections for the default sections are handled by the |
| 2104 | default linker script using wildcards, and are sorted by |
| 2105 | sort_sections. */ |
| 2106 | |
| 2107 | static lang_output_section_statement_type * |
| 2108 | gld_${EMULATION_NAME}_place_orphan (asection *s, |
| 2109 | const char *secname, |
| 2110 | int constraint) |
| 2111 | { |
| 2112 | const char *orig_secname = secname; |
| 2113 | char *dollar = NULL; |
| 2114 | lang_output_section_statement_type *os; |
| 2115 | lang_statement_list_type add_child; |
| 2116 | lang_output_section_statement_type *match_by_name = NULL; |
| 2117 | lang_statement_union_type **pl; |
| 2118 | |
| 2119 | /* Look through the script to see where to place this section. */ |
| 2120 | if (!link_info.relocatable |
| 2121 | && (dollar = strchr (secname, '\$')) != NULL) |
| 2122 | { |
| 2123 | size_t len = dollar - secname; |
| 2124 | char *newname = xmalloc (len + 1); |
| 2125 | memcpy (newname, secname, len); |
| 2126 | newname[len] = '\0'; |
| 2127 | secname = newname; |
| 2128 | } |
| 2129 | |
| 2130 | lang_list_init (&add_child); |
| 2131 | |
| 2132 | os = NULL; |
| 2133 | if (constraint == 0) |
| 2134 | for (os = lang_output_section_find (secname); |
| 2135 | os != NULL; |
| 2136 | os = next_matching_output_section_statement (os, 0)) |
| 2137 | { |
| 2138 | /* If we don't match an existing output section, tell |
| 2139 | lang_insert_orphan to create a new output section. */ |
| 2140 | constraint = SPECIAL; |
| 2141 | |
| 2142 | if (os->bfd_section != NULL |
| 2143 | && (os->bfd_section->flags == 0 |
| 2144 | || ((s->flags ^ os->bfd_section->flags) |
| 2145 | & (SEC_LOAD | SEC_ALLOC)) == 0)) |
| 2146 | { |
| 2147 | /* We already have an output section statement with this |
| 2148 | name, and its bfd section has compatible flags. |
| 2149 | If the section already exists but does not have any flags set, |
| 2150 | then it has been created by the linker, probably as a result of |
| 2151 | a --section-start command line switch. */ |
| 2152 | lang_add_section (&add_child, s, NULL, os); |
| 2153 | break; |
| 2154 | } |
| 2155 | |
| 2156 | /* Save unused output sections in case we can match them |
| 2157 | against orphans later. */ |
| 2158 | if (os->bfd_section == NULL) |
| 2159 | match_by_name = os; |
| 2160 | } |
| 2161 | |
| 2162 | /* If we didn't match an active output section, see if we matched an |
| 2163 | unused one and use that. */ |
| 2164 | if (os == NULL && match_by_name) |
| 2165 | { |
| 2166 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
| 2167 | return match_by_name; |
| 2168 | } |
| 2169 | |
| 2170 | if (os == NULL) |
| 2171 | { |
| 2172 | static struct orphan_save hold[] = |
| 2173 | { |
| 2174 | { ".text", |
| 2175 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, |
| 2176 | 0, 0, 0, 0 }, |
| 2177 | { ".idata", |
| 2178 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, |
| 2179 | 0, 0, 0, 0 }, |
| 2180 | { ".rdata", |
| 2181 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, |
| 2182 | 0, 0, 0, 0 }, |
| 2183 | { ".data", |
| 2184 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, |
| 2185 | 0, 0, 0, 0 }, |
| 2186 | { ".bss", |
| 2187 | SEC_ALLOC, |
| 2188 | 0, 0, 0, 0 } |
| 2189 | }; |
| 2190 | enum orphan_save_index |
| 2191 | { |
| 2192 | orphan_text = 0, |
| 2193 | orphan_idata, |
| 2194 | orphan_rodata, |
| 2195 | orphan_data, |
| 2196 | orphan_bss |
| 2197 | }; |
| 2198 | static int orphan_init_done = 0; |
| 2199 | struct orphan_save *place; |
| 2200 | lang_output_section_statement_type *after; |
| 2201 | etree_type *address; |
| 2202 | |
| 2203 | if (!orphan_init_done) |
| 2204 | { |
| 2205 | struct orphan_save *ho; |
| 2206 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
| 2207 | if (ho->name != NULL) |
| 2208 | { |
| 2209 | ho->os = lang_output_section_find (ho->name); |
| 2210 | if (ho->os != NULL && ho->os->flags == 0) |
| 2211 | ho->os->flags = ho->flags; |
| 2212 | } |
| 2213 | orphan_init_done = 1; |
| 2214 | } |
| 2215 | |
| 2216 | /* Try to put the new output section in a reasonable place based |
| 2217 | on the section name and section flags. */ |
| 2218 | |
| 2219 | place = NULL; |
| 2220 | if ((s->flags & SEC_ALLOC) == 0) |
| 2221 | ; |
| 2222 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) |
| 2223 | place = &hold[orphan_bss]; |
| 2224 | else if ((s->flags & SEC_READONLY) == 0) |
| 2225 | place = &hold[orphan_data]; |
| 2226 | else if ((s->flags & SEC_CODE) == 0) |
| 2227 | { |
| 2228 | place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata] |
| 2229 | : &hold[orphan_rodata]); |
| 2230 | } |
| 2231 | else |
| 2232 | place = &hold[orphan_text]; |
| 2233 | |
| 2234 | after = NULL; |
| 2235 | if (place != NULL) |
| 2236 | { |
| 2237 | if (place->os == NULL) |
| 2238 | place->os = lang_output_section_find (place->name); |
| 2239 | after = place->os; |
| 2240 | if (after == NULL) |
| 2241 | after = lang_output_section_find_by_flags (s, &place->os, NULL); |
| 2242 | if (after == NULL) |
| 2243 | /* *ABS* is always the first output section statement. */ |
| 2244 | after = (&lang_output_section_statement.head |
| 2245 | ->output_section_statement); |
| 2246 | } |
| 2247 | |
| 2248 | /* All sections in an executable must be aligned to a page boundary. |
| 2249 | In a relocatable link, just preserve the incoming alignment; the |
| 2250 | address is discarded by lang_insert_orphan in that case, anyway. */ |
| 2251 | address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__")); |
| 2252 | os = lang_insert_orphan (s, secname, constraint, after, place, address, |
| 2253 | &add_child); |
| 2254 | if (link_info.relocatable) |
| 2255 | { |
| 2256 | os->section_alignment = s->alignment_power; |
| 2257 | os->bfd_section->alignment_power = s->alignment_power; |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | /* If the section name has a '\$', sort it with the other '\$' |
| 2262 | sections. */ |
| 2263 | for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next) |
| 2264 | { |
| 2265 | lang_input_section_type *ls; |
| 2266 | const char *lname; |
| 2267 | |
| 2268 | if ((*pl)->header.type != lang_input_section_enum) |
| 2269 | continue; |
| 2270 | |
| 2271 | ls = &(*pl)->input_section; |
| 2272 | |
| 2273 | lname = bfd_get_section_name (ls->section->owner, ls->section); |
| 2274 | if (strchr (lname, '\$') != NULL |
| 2275 | && (dollar == NULL || strcmp (orig_secname, lname) < 0)) |
| 2276 | break; |
| 2277 | } |
| 2278 | |
| 2279 | if (add_child.head != NULL) |
| 2280 | { |
| 2281 | *add_child.tail = *pl; |
| 2282 | *pl = add_child.head; |
| 2283 | } |
| 2284 | |
| 2285 | return os; |
| 2286 | } |
| 2287 | |
| 2288 | static bfd_boolean |
| 2289 | gld_${EMULATION_NAME}_open_dynamic_archive |
| 2290 | (const char *arch ATTRIBUTE_UNUSED, |
| 2291 | search_dirs_type *search, |
| 2292 | lang_input_statement_type *entry) |
| 2293 | { |
| 2294 | static const struct |
| 2295 | { |
| 2296 | const char * format; |
| 2297 | bfd_boolean use_prefix; |
| 2298 | } |
| 2299 | libname_fmt [] = |
| 2300 | { |
| 2301 | /* Preferred explicit import library for dll's. */ |
| 2302 | { "lib%s.dll.a", FALSE }, |
| 2303 | /* Alternate explicit import library for dll's. */ |
| 2304 | { "%s.dll.a", FALSE }, |
| 2305 | /* "libfoo.a" could be either an import lib or a static lib. |
| 2306 | For backwards compatibility, libfoo.a needs to precede |
| 2307 | libfoo.dll and foo.dll in the search. */ |
| 2308 | { "lib%s.a", FALSE }, |
| 2309 | /* The 'native' spelling of an import lib name is "foo.lib". */ |
| 2310 | { "%s.lib", FALSE }, |
| 2311 | #ifdef DLL_SUPPORT |
| 2312 | /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ |
| 2313 | { "%s%s.dll", TRUE }, |
| 2314 | #endif |
| 2315 | /* Try "libfoo.dll" (default preferred dll name). */ |
| 2316 | { "lib%s.dll", FALSE }, |
| 2317 | /* Finally try 'native' dll name "foo.dll". */ |
| 2318 | { "%s.dll", FALSE }, |
| 2319 | /* Note: If adding more formats to this table, make sure to check to |
| 2320 | see if their length is longer than libname_fmt[0].format, and if |
| 2321 | so, update the call to xmalloc() below. */ |
| 2322 | { NULL, FALSE } |
| 2323 | }; |
| 2324 | static unsigned int format_max_len = 0; |
| 2325 | const char * filename; |
| 2326 | char * full_string; |
| 2327 | char * base_string; |
| 2328 | unsigned int i; |
| 2329 | |
| 2330 | |
| 2331 | if (! entry->flags.maybe_archive || entry->flags.full_name_provided) |
| 2332 | return FALSE; |
| 2333 | |
| 2334 | filename = entry->filename; |
| 2335 | |
| 2336 | if (format_max_len == 0) |
| 2337 | /* We need to allow space in the memory that we are going to allocate |
| 2338 | for the characters in the format string. Since the format array is |
| 2339 | static we only need to calculate this information once. In theory |
| 2340 | this value could also be computed statically, but this introduces |
| 2341 | the possibility for a discrepancy and hence a possible memory |
| 2342 | corruption. The lengths we compute here will be too long because |
| 2343 | they will include any formating characters (%s) in the strings, but |
| 2344 | this will not matter. */ |
| 2345 | for (i = 0; libname_fmt[i].format; i++) |
| 2346 | if (format_max_len < strlen (libname_fmt[i].format)) |
| 2347 | format_max_len = strlen (libname_fmt[i].format); |
| 2348 | |
| 2349 | full_string = xmalloc (strlen (search->name) |
| 2350 | + strlen (filename) |
| 2351 | + format_max_len |
| 2352 | #ifdef DLL_SUPPORT |
| 2353 | + (pe_dll_search_prefix |
| 2354 | ? strlen (pe_dll_search_prefix) : 0) |
| 2355 | #endif |
| 2356 | /* Allow for the terminating NUL and for the path |
| 2357 | separator character that is inserted between |
| 2358 | search->name and the start of the format string. */ |
| 2359 | + 2); |
| 2360 | |
| 2361 | sprintf (full_string, "%s/", search->name); |
| 2362 | base_string = full_string + strlen (full_string); |
| 2363 | |
| 2364 | for (i = 0; libname_fmt[i].format; i++) |
| 2365 | { |
| 2366 | #ifdef DLL_SUPPORT |
| 2367 | if (libname_fmt[i].use_prefix) |
| 2368 | { |
| 2369 | if (!pe_dll_search_prefix) |
| 2370 | continue; |
| 2371 | sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename); |
| 2372 | } |
| 2373 | else |
| 2374 | #endif |
| 2375 | sprintf (base_string, libname_fmt[i].format, filename); |
| 2376 | |
| 2377 | if (ldfile_try_open_bfd (full_string, entry)) |
| 2378 | break; |
| 2379 | } |
| 2380 | |
| 2381 | if (!libname_fmt[i].format) |
| 2382 | { |
| 2383 | free (full_string); |
| 2384 | return FALSE; |
| 2385 | } |
| 2386 | |
| 2387 | entry->filename = full_string; |
| 2388 | |
| 2389 | return TRUE; |
| 2390 | } |
| 2391 | |
| 2392 | static int |
| 2393 | gld_${EMULATION_NAME}_find_potential_libraries |
| 2394 | (char *name, lang_input_statement_type *entry) |
| 2395 | { |
| 2396 | return ldfile_open_file_search (name, entry, "", ".lib"); |
| 2397 | } |
| 2398 | \f |
| 2399 | static char * |
| 2400 | gld_${EMULATION_NAME}_get_script (int *isfile) |
| 2401 | EOF |
| 2402 | # Scripts compiled in. |
| 2403 | # sed commands to quote an ld script as a C string. |
| 2404 | sc="-f stringify.sed" |
| 2405 | |
| 2406 | fragment <<EOF |
| 2407 | { |
| 2408 | *isfile = 0; |
| 2409 | |
| 2410 | if (link_info.relocatable && config.build_constructors) |
| 2411 | return |
| 2412 | EOF |
| 2413 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
| 2414 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
| 2415 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
| 2416 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c |
| 2417 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c |
| 2418 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
| 2419 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c |
| 2420 | if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then |
| 2421 | echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c |
| 2422 | sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c |
| 2423 | fi |
| 2424 | echo ' ; else return' >> e${EMULATION_NAME}.c |
| 2425 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c |
| 2426 | echo '; }' >> e${EMULATION_NAME}.c |
| 2427 | |
| 2428 | fragment <<EOF |
| 2429 | |
| 2430 | |
| 2431 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
| 2432 | { |
| 2433 | gld_${EMULATION_NAME}_before_parse, |
| 2434 | syslib_default, |
| 2435 | hll_default, |
| 2436 | gld_${EMULATION_NAME}_after_parse, |
| 2437 | gld_${EMULATION_NAME}_after_open, |
| 2438 | after_allocation_default, |
| 2439 | set_output_arch_default, |
| 2440 | ldemul_default_target, |
| 2441 | gld_${EMULATION_NAME}_before_allocation, |
| 2442 | gld_${EMULATION_NAME}_get_script, |
| 2443 | "${EMULATION_NAME}", |
| 2444 | "${OUTPUT_FORMAT}", |
| 2445 | gld_${EMULATION_NAME}_finish, |
| 2446 | NULL, /* Create output section statements. */ |
| 2447 | gld_${EMULATION_NAME}_open_dynamic_archive, |
| 2448 | gld_${EMULATION_NAME}_place_orphan, |
| 2449 | gld_${EMULATION_NAME}_set_symbols, |
| 2450 | NULL, /* parse_args */ |
| 2451 | gld${EMULATION_NAME}_add_options, |
| 2452 | gld${EMULATION_NAME}_handle_option, |
| 2453 | gld_${EMULATION_NAME}_unrecognized_file, |
| 2454 | gld_${EMULATION_NAME}_list_options, |
| 2455 | gld_${EMULATION_NAME}_recognized_file, |
| 2456 | gld_${EMULATION_NAME}_find_potential_libraries, |
| 2457 | NULL, /* new_vers_pattern. */ |
| 2458 | NULL /* extra_map_file_text. */ |
| 2459 | }; |
| 2460 | EOF |