1# Linker script for PE. 2# 3# Copyright (C) 2014-2018 Free Software Foundation, Inc. 4# 5# Copying and distribution of this file, with or without modification, 6# are permitted in any medium without royalty provided the copyright 7# notice and this notice are preserved. 8 9if test -z "${RELOCATEABLE_OUTPUT_FORMAT}"; then 10 RELOCATEABLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} 11fi 12 13# We can't easily and portably get an unquoted $ in a shell 14# substitution, so we do this instead. 15# Sorting of the .foo$* sections is required by the definition of 16# grouped sections in PE. 17# Sorting of the file names in R_IDATA is required by the 18# current implementation of dlltool (this could probably be changed to 19# use grouped sections instead). 20if test "${RELOCATING}"; then 21 R_TEXT='*(SORT(.text$*))' 22 if test "x$LD_FLAG" = "xauto_import" ; then 23 R_DATA='*(SORT(.data$*)) 24 *(.rdata) 25 *(SORT(.rdata$*))' 26 R_RDATA='' 27 else 28 R_DATA='*(SORT(.data$*))' 29 R_RDATA='*(.rdata) 30 *(SORT(.rdata$*))' 31 fi 32 R_IDATA234=' 33 KEEP (SORT(*)(.idata$2)) 34 KEEP (SORT(*)(.idata$3)) 35 /* These zeroes mark the end of the import list. */ 36 LONG (0); LONG (0); LONG (0); LONG (0); LONG (0); 37 KEEP (SORT(*)(.idata$4))' 38 R_IDATA5='SORT(*)(.idata$5)' 39 R_IDATA67=' 40 KEEP (SORT(*)(.idata$6)) 41 KEEP (SORT(*)(.idata$7))' 42 R_CRT_XC='KEEP (*(SORT(.CRT$XC*))) /* C initialization */' 43 R_CRT_XI='KEEP (*(SORT(.CRT$XI*))) /* C++ initialization */' 44 R_CRT_XL='KEEP (*(SORT(.CRT$XL*))) /* TLS callbacks */' 45 R_CRT_XP='KEEP (*(SORT(.CRT$XP*))) /* Pre-termination */' 46 R_CRT_XT='KEEP (*(SORT(.CRT$XT*))) /* Termination */' 47 R_TLS=' 48 KEEP (*(.tls$AAA)) 49 KEEP (*(.tls)) 50 KEEP (*(.tls$)) 51 KEEP (*(SORT(.tls$*))) 52 KEEP (*(.tls$ZZZ))' 53 R_RSRC=' 54 KEEP (*(.rsrc)) 55 KEEP (*(.rsrc$*))' 56else 57 R_TEXT= 58 R_DATA= 59 R_RDATA='*(.rdata)' 60 R_IDATA234= 61 R_IDATA5= 62 R_IDATA67= 63 R_CRT_XC= 64 R_CRT_XI= 65 R_CRT_XL= 66 R_CRT_XP= 67 R_CRT_XT= 68 R_TLS='*(.tls)' 69 R_RSRC='*(.rsrc)' 70fi 71 72cat <<EOF 73/* Copyright (C) 2014-2018 Free Software Foundation, Inc. 74 75 Copying and distribution of this script, with or without modification, 76 are permitted in any medium without royalty provided the copyright 77 notice and this notice are preserved. */ 78 79${RELOCATING+OUTPUT_FORMAT(${OUTPUT_FORMAT})} 80${RELOCATING-OUTPUT_FORMAT(${RELOCATEABLE_OUTPUT_FORMAT})} 81${OUTPUT_ARCH+OUTPUT_ARCH(${OUTPUT_ARCH})} 82 83${LIB_SEARCH_DIRS} 84 85SECTIONS 86{ 87 ${RELOCATING+/* Make the virtual address and file offset synced if the alignment is} 88 ${RELOCATING+ lower than the target page size. */} 89 ${RELOCATING+. = SIZEOF_HEADERS;} 90 ${RELOCATING+. = ALIGN(__section_alignment__);} 91 .text ${RELOCATING+ __image_base__ + ( __section_alignment__ < ${TARGET_PAGE_SIZE} ? . : __section_alignment__ )} : 92 { 93 ${RELOCATING+ KEEP(*(.init))} 94 *(.text) 95 ${R_TEXT} 96 ${RELOCATING+ *(.text.*)} 97 ${RELOCATING+ *(.gnu.linkonce.t.*)} 98 ${RELOCATING+*(.glue_7t)} 99 ${RELOCATING+*(.glue_7)} 100 ${CONSTRUCTING+. = ALIGN(8);} 101 ${CONSTRUCTING+ 102 /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here, 103 we do not PROVIDE them. This is because the ctors.o startup 104 code in libgcc defines them as common symbols, with the 105 expectation that they will be overridden by the definitions 106 here. If we PROVIDE the symbols then they will not be 107 overridden and global constructors will not be run. 108 109 This does mean that it is not possible for a user to define 110 their own __CTOR_LIST__ and __DTOR_LIST__ symbols. If that 111 ability is needed a custom linker script will have to be 112 used. (The custom script can just be a copy of this script 113 with the PROVIDE() qualifiers added). 114 115 See PR 22762 for more details. */ 116 ___CTOR_LIST__ = .; 117 __CTOR_LIST__ = .; 118 LONG (-1); LONG (-1); 119 KEEP (*(.ctors)); 120 KEEP (*(.ctor)); 121 KEEP (*(SORT_BY_NAME(.ctors.*))); 122 LONG (0); LONG (0); 123 } 124 ${CONSTRUCTING+ 125 /* See comment about __CTOR_LIST__ above. The same reasoning 126 applies here too. */ 127 ___DTOR_LIST__ = .; 128 __DTOR_LIST__ = .; 129 LONG (-1); LONG (-1); 130 KEEP (*(.dtors)); 131 KEEP (*(.dtor)); 132 KEEP (*(SORT_BY_NAME(.dtors.*))); 133 LONG (0); LONG (0); 134 } 135 ${RELOCATING+ KEEP (*(.fini))} 136 /* ??? Why is .gcc_exc here? */ 137 ${RELOCATING+ *(.gcc_exc)} 138 ${RELOCATING+PROVIDE (etext = .);} 139 ${RELOCATING+ KEEP (*(.gcc_except_table))} 140 } 141 142 /* The Cygwin32 library uses a section to avoid copying certain data 143 on fork. This used to be named ".data$nocopy". The linker used 144 to include this between __data_start__ and __data_end__, but that 145 breaks building the cygwin32 dll. Instead, we name the section 146 ".data_cygwin_nocopy" and explicitly include it after __data_end__. */ 147 148 .data ${RELOCATING+BLOCK(__section_alignment__)} : 149 { 150 ${RELOCATING+__data_start__ = . ;} 151 *(.data) 152 ${RELOCATING+*(.data2)} 153 ${R_DATA} 154 KEEP(*(.jcr)) 155 ${RELOCATING+__data_end__ = . ;} 156 ${RELOCATING+*(.data_cygwin_nocopy)} 157 } 158 159 .rdata ${RELOCATING+BLOCK(__section_alignment__)} : 160 { 161 ${R_RDATA} 162 ${RELOCATING+__rt_psrelocs_start = .;} 163 ${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))} 164 ${RELOCATING+__rt_psrelocs_end = .;} 165 } 166 ${RELOCATING+__rt_psrelocs_size = __rt_psrelocs_end - __rt_psrelocs_start;} 167 ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;} 168 ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST_END__ = .;} 169 ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;} 170 ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;} 171 172 .eh_frame ${RELOCATING+BLOCK(__section_alignment__)} : 173 { 174 KEEP (*(.eh_frame${RELOCATING+*})) 175 } 176 177 .pdata ${RELOCATING+BLOCK(__section_alignment__)} : 178 { 179 KEEP(*(.pdata${RELOCATING+*})) 180 } 181 182 .xdata ${RELOCATING+BLOCK(__section_alignment__)} : 183 { 184 KEEP(*(.xdata${RELOCATING+*})) 185 } 186 187 .bss ${RELOCATING+BLOCK(__section_alignment__)} : 188 { 189 ${RELOCATING+__bss_start__ = . ;} 190 *(.bss) 191 *(COMMON) 192 ${RELOCATING+__bss_end__ = . ;} 193 } 194 195 .edata ${RELOCATING+BLOCK(__section_alignment__)} : 196 { 197 *(.edata) 198 } 199 200 /DISCARD/ : 201 { 202 *(.debug\$S) 203 *(.debug\$T) 204 *(.debug\$F) 205 *(.drectve) 206 ${RELOCATING+ *(.note.GNU-stack)} 207 ${RELOCATING+ *(.gnu.lto_*)} 208 } 209 210 .idata ${RELOCATING+BLOCK(__section_alignment__)} : 211 { 212 /* This cannot currently be handled with grouped sections. 213 See pep.em:sort_sections. */ 214 ${R_IDATA234} 215 ${RELOCATING+__IAT_start__ = .;} 216 ${R_IDATA5} 217 ${RELOCATING+__IAT_end__ = .;} 218 ${R_IDATA67} 219 } 220 .CRT ${RELOCATING+BLOCK(__section_alignment__)} : 221 { 222 ${RELOCATING+___crt_xc_start__ = . ;} 223 ${R_CRT_XC} 224 ${RELOCATING+___crt_xc_end__ = . ;} 225 ${RELOCATING+___crt_xi_start__ = . ;} 226 ${R_CRT_XI} 227 ${RELOCATING+___crt_xi_end__ = . ;} 228 ${RELOCATING+___crt_xl_start__ = . ;} 229 ${R_CRT_XL} 230 /* ___crt_xl_end__ is defined in the TLS Directory support code */ 231 ${RELOCATING+___crt_xp_start__ = . ;} 232 ${R_CRT_XP} 233 ${RELOCATING+___crt_xp_end__ = . ;} 234 ${RELOCATING+___crt_xt_start__ = . ;} 235 ${R_CRT_XT} 236 ${RELOCATING+___crt_xt_end__ = . ;} 237 } 238 239 /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be 240 at the end of the .tls section. This is important because _tls_start MUST 241 be at the beginning of the section to enable SECREL32 relocations with TLS 242 data. */ 243 .tls ${RELOCATING+BLOCK(__section_alignment__)} : 244 { 245 ${RELOCATING+___tls_start__ = . ;} 246 ${R_TLS} 247 ${RELOCATING+___tls_end__ = . ;} 248 } 249 250 .endjunk ${RELOCATING+BLOCK(__section_alignment__)} : 251 { 252 /* end is deprecated, don't use it */ 253 ${RELOCATING+PROVIDE (end = .);} 254 ${RELOCATING+PROVIDE ( _end = .);} 255 ${RELOCATING+ __end__ = .;} 256 } 257 258 .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4) 259 { 260 ${R_RSRC} 261 } 262 263 .reloc ${RELOCATING+BLOCK(__section_alignment__)} : 264 { 265 *(.reloc) 266 } 267 268 .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 269 { 270 *(.stab) 271 } 272 273 .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 274 { 275 *(.stabstr) 276 } 277 278 /* DWARF debug sections. 279 Symbols in the DWARF debugging sections are relative to the beginning 280 of the section. Unlike other targets that fake this by putting the 281 section VMA at 0, the PE format will not allow it. */ 282 283 /* DWARF 1.1 and DWARF 2. */ 284 .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 285 { 286 *(.debug_aranges) 287 } 288 .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 289 { 290 *(.zdebug_aranges) 291 } 292 293 .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 294 { 295 *(.debug_pubnames) 296 } 297 .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 298 { 299 *(.zdebug_pubnames) 300 } 301 302 .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 303 { 304 *(.debug_pubtypes) 305 } 306 .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 307 { 308 *(.zdebug_pubtypes) 309 } 310 311 /* DWARF 2. */ 312 .debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 313 { 314 *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*}) 315 } 316 .zdebug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 317 { 318 *(.zdebug_info${RELOCATING+ .zdebug.gnu.linkonce.wi.*}) 319 } 320 321 .debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 322 { 323 *(.debug_abbrev) 324 } 325 .zdebug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 326 { 327 *(.zdebug_abbrev) 328 } 329 330 .debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 331 { 332 *(.debug_line) 333 } 334 .zdebug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 335 { 336 *(.zdebug_line) 337 } 338 339 .debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 340 { 341 *(.debug_frame) 342 } 343 .zdebug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 344 { 345 *(.zdebug_frame) 346 } 347 348 .debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 349 { 350 *(.debug_str) 351 } 352 .zdebug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 353 { 354 *(.zdebug_str) 355 } 356 357 .debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 358 { 359 *(.debug_loc) 360 } 361 .zdebug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 362 { 363 *(.zdebug_loc) 364 } 365 366 .debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 367 { 368 *(.debug_macinfo) 369 } 370 .zdebug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 371 { 372 *(.zdebug_macinfo) 373 } 374 375 /* SGI/MIPS DWARF 2 extensions. */ 376 .debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 377 { 378 *(.debug_weaknames) 379 } 380 .zdebug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 381 { 382 *(.zdebug_weaknames) 383 } 384 385 .debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 386 { 387 *(.debug_funcnames) 388 } 389 .zdebug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 390 { 391 *(.zdebug_funcnames) 392 } 393 394 .debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 395 { 396 *(.debug_typenames) 397 } 398 .zdebug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 399 { 400 *(.zdebug_typenames) 401 } 402 403 .debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 404 { 405 *(.debug_varnames) 406 } 407 .zdebug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 408 { 409 *(.zdebug_varnames) 410 } 411 412 .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 413 { 414 *(.debug_macro) 415 } 416 .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 417 { 418 *(.zdebug_macro) 419 } 420 421 /* DWARF 3. */ 422 .debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 423 { 424 *(.debug_ranges) 425 } 426 .zdebug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 427 { 428 *(.zdebug_ranges) 429 } 430 431 /* DWARF 4. */ 432 .debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 433 { 434 *(.debug_types${RELOCATING+ .gnu.linkonce.wt.*}) 435 } 436 .zdebug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 437 { 438 *(.zdebug_types${RELOCATING+ .zdebug.gnu.linkonce.wt.*}) 439 } 440 441 /* For Go and Rust. */ 442 .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 443 { 444 *(.debug_gdb_scripts) 445 } 446 .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 447 { 448 *(.zdebug_gdb_scripts) 449 } 450} 451EOF 452