1# Linker script for PE. 2# 3# Copyright (C) 2014-2024 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 . = ALIGN(8); 38 KEEP (SORT(*)(.idata$4))' 39 R_IDATA5='SORT(*)(.idata$5)' 40 R_IDATA67=' 41 KEEP (SORT(*)(.idata$6)) 42 KEEP (SORT(*)(.idata$7))' 43 R_CRT_XC='KEEP (*(SORT(.CRT$XC*))) /* C initialization */' 44 R_CRT_XI='KEEP (*(SORT(.CRT$XI*))) /* C++ initialization */' 45 R_CRT_XL='KEEP (*(SORT(.CRT$XL*))) /* TLS callbacks */' 46 R_CRT_XP='KEEP (*(SORT(.CRT$XP*))) /* Pre-termination */' 47 R_CRT_XT='KEEP (*(SORT(.CRT$XT*))) /* Termination */' 48 R_TLS=' 49 KEEP (*(.tls$AAA)) 50 KEEP (*(.tls)) 51 KEEP (*(.tls$)) 52 KEEP (*(SORT(.tls$*))) 53 KEEP (*(.tls$ZZZ))' 54 R_RSRC=' 55 KEEP (*(.rsrc)) 56 KEEP (*(.rsrc$*))' 57else 58 R_TEXT= 59 R_DATA= 60 R_RDATA='*(.rdata)' 61 R_IDATA234= 62 R_IDATA5= 63 R_IDATA67= 64 R_CRT_XC= 65 R_CRT_XI= 66 R_CRT_XL= 67 R_CRT_XP= 68 R_CRT_XT= 69 R_TLS='*(.tls)' 70 R_RSRC='*(.rsrc)' 71fi 72 73cat <<EOF 74/* Copyright (C) 2014-2024 Free Software Foundation, Inc. 75 76 Copying and distribution of this script, with or without modification, 77 are permitted in any medium without royalty provided the copyright 78 notice and this notice are preserved. */ 79 80${RELOCATING+OUTPUT_FORMAT(${OUTPUT_FORMAT})} 81${RELOCATING-OUTPUT_FORMAT(${RELOCATEABLE_OUTPUT_FORMAT})} 82${OUTPUT_ARCH+OUTPUT_ARCH(${OUTPUT_ARCH})} 83 84${LIB_SEARCH_DIRS} 85 86SECTIONS 87{ 88 ${RELOCATING+/* Make the virtual address and file offset synced if the alignment is} 89 ${RELOCATING+ lower than the target page size. */} 90 ${RELOCATING+. = SIZEOF_HEADERS;} 91 ${RELOCATING+. = ALIGN(__section_alignment__);} 92 .text ${RELOCATING+ __image_base__ + ( __section_alignment__ < ${TARGET_PAGE_SIZE} ? . : __section_alignment__ )} : 93 { 94 ${RELOCATING+KEEP (*(SORT_NONE(.init)))} 95 *(.text) 96 ${R_TEXT} 97 ${RELOCATING+ *(.text.*)} 98 ${RELOCATING+ *(.gnu.linkonce.t.*)} 99 ${RELOCATING+*(.glue_7t)} 100 ${RELOCATING+*(.glue_7)} 101 ${CONSTRUCTING+. = ALIGN(8);} 102 ${CONSTRUCTING+ 103 /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here, 104 we do not PROVIDE them. This is because the ctors.o startup 105 code in libgcc defines them as common symbols, with the 106 expectation that they will be overridden by the definitions 107 here. If we PROVIDE the symbols then they will not be 108 overridden and global constructors will not be run. 109 See PR 22762 for more details. 110 111 This does mean that it is not possible for a user to define 112 their own __CTOR_LIST__ and __DTOR_LIST__ symbols; if they do, 113 the content from those variables are included but the symbols 114 defined here silently take precedence. If they truly need to 115 be redefined, a custom linker script will have to be used. 116 (The custom script can just be a copy of this script with the 117 PROVIDE() qualifiers added). 118 119 In particular this means that ld -Ur does not work, because 120 the proper __CTOR_LIST__ set by ld -Ur is overridden by a 121 bogus __CTOR_LIST__ set by the final link. See PR 46. */ 122 ___CTOR_LIST__ = .; 123 __CTOR_LIST__ = .; 124 LONG (-1); LONG (-1); 125 KEEP (*(.ctors)); 126 KEEP (*(.ctor)); 127 KEEP (*(SORT_BY_NAME(.ctors.*))); 128 LONG (0); LONG (0); 129 } 130 ${CONSTRUCTING+ 131 /* See comment about __CTOR_LIST__ above. The same reasoning 132 applies here too. */ 133 ___DTOR_LIST__ = .; 134 __DTOR_LIST__ = .; 135 LONG (-1); LONG (-1); 136 KEEP (*(.dtors)); 137 KEEP (*(.dtor)); 138 KEEP (*(SORT_BY_NAME(.dtors.*))); 139 LONG (0); LONG (0); 140 } 141 ${RELOCATING+KEEP (*(SORT_NONE(.fini)))} 142 ${RELOCATING+/* ??? Why is .gcc_exc here? */} 143 ${RELOCATING+ *(.gcc_exc)} 144 ${RELOCATING+PROVIDE (etext = .);} 145 ${RELOCATING+ KEEP (*(.gcc_except_table))} 146 } 147 148 /* The Cygwin32 library uses a section to avoid copying certain data 149 on fork. This used to be named ".data$nocopy". The linker used 150 to include this between __data_start__ and __data_end__, but that 151 breaks building the cygwin32 dll. Instead, we name the section 152 ".data_cygwin_nocopy" and explicitly include it after __data_end__. */ 153 154 .data ${RELOCATING+BLOCK(__section_alignment__)} : 155 { 156 ${RELOCATING+__data_start__ = . ;} 157 *(.data) 158 ${RELOCATING+*(.data2)} 159 ${R_DATA} 160 KEEP(*(.jcr)) 161 ${RELOCATING+__data_end__ = . ;} 162 ${RELOCATING+*(.data_cygwin_nocopy)} 163 } 164 165 .rdata ${RELOCATING+BLOCK(__section_alignment__)} : 166 { 167 ${R_RDATA} 168 . = ALIGN(4); 169 ${RELOCATING+__rt_psrelocs_start = .;} 170 ${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))} 171 ${RELOCATING+__rt_psrelocs_end = .;} 172 } 173 ${RELOCATING+__rt_psrelocs_size = __rt_psrelocs_end - __rt_psrelocs_start;} 174 ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;} 175 ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST_END__ = .;} 176 ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;} 177 ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;} 178 179 .eh_frame ${RELOCATING+BLOCK(__section_alignment__)} : 180 { 181 KEEP (*(.eh_frame${RELOCATING+*})) 182 } 183 184 .pdata ${RELOCATING+BLOCK(__section_alignment__)} : 185 { 186 KEEP(*(.pdata${RELOCATING+*})) 187 } 188 189 .xdata ${RELOCATING+BLOCK(__section_alignment__)} : 190 { 191 KEEP(*(.xdata${RELOCATING+*})) 192 } 193 194 .bss ${RELOCATING+BLOCK(__section_alignment__)} : 195 { 196 ${RELOCATING+__bss_start__ = . ;} 197 *(.bss) 198 *(COMMON) 199 ${RELOCATING+__bss_end__ = . ;} 200 } 201 202 .edata ${RELOCATING+BLOCK(__section_alignment__)} : 203 { 204 *(.edata) 205 } 206 207 /DISCARD/ : 208 { 209 *(.debug\$S) 210 *(.debug\$T) 211 *(.debug\$F) 212 ${RELOCATING+ *(.drectve)} 213 ${RELOCATING+ *(.note.GNU-stack)} 214 ${RELOCATING+ *(.gnu.lto_*)} 215 } 216 217 .idata ${RELOCATING+BLOCK(__section_alignment__)} : 218 { 219 /* This cannot currently be handled with grouped sections. 220 See pep.em:sort_sections. */ 221 ${R_IDATA234} 222 ${RELOCATING+__IAT_start__ = .;} 223 ${R_IDATA5} 224 ${RELOCATING+__IAT_end__ = .;} 225 ${R_IDATA67} 226 } 227 .CRT ${RELOCATING+BLOCK(__section_alignment__)} : 228 { 229 ${RELOCATING+___crt_xc_start__ = . ;} 230 ${R_CRT_XC} 231 ${RELOCATING+___crt_xc_end__ = . ;} 232 ${RELOCATING+___crt_xi_start__ = . ;} 233 ${R_CRT_XI} 234 ${RELOCATING+___crt_xi_end__ = . ;} 235 ${RELOCATING+___crt_xl_start__ = . ;} 236 ${R_CRT_XL} 237 /* ___crt_xl_end__ is defined in the TLS Directory support code */ 238 ${RELOCATING+___crt_xp_start__ = . ;} 239 ${R_CRT_XP} 240 ${RELOCATING+___crt_xp_end__ = . ;} 241 ${RELOCATING+___crt_xt_start__ = . ;} 242 ${R_CRT_XT} 243 ${RELOCATING+___crt_xt_end__ = . ;} 244 } 245 246 /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be 247 at the end of the .tls section. This is important because _tls_start MUST 248 be at the beginning of the section to enable SECREL32 relocations with TLS 249 data. */ 250 .tls ${RELOCATING+BLOCK(__section_alignment__)} : 251 { 252 ${RELOCATING+___tls_start__ = . ;} 253 ${R_TLS} 254 ${RELOCATING+___tls_end__ = . ;} 255 } 256 257 .endjunk ${RELOCATING+BLOCK(__section_alignment__)} : 258 { 259 /* end is deprecated, don't use it */ 260 ${RELOCATING+PROVIDE (end = .);} 261 ${RELOCATING+PROVIDE ( _end = .);} 262 ${RELOCATING+ __end__ = .;} 263 } 264 265 .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4) 266 { 267 ${R_RSRC} 268 } 269 270 .reloc ${RELOCATING+BLOCK(__section_alignment__)} : 271 { 272 *(.reloc) 273 } 274 275 .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 276 { 277 *(.stab) 278 } 279 280 .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 281 { 282 *(.stabstr) 283 } 284 285 /* DWARF debug sections. 286 Symbols in the DWARF debugging sections are relative to the beginning 287 of the section. Unlike other targets that fake this by putting the 288 section VMA at 0, the PE format will not allow it. */ 289 290 /* DWARF 1.1 and DWARF 2. */ 291 .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 292 { 293 *(.debug_aranges) 294 } 295 .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 296 { 297 *(.zdebug_aranges) 298 } 299 300 .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 301 { 302 *(.debug_pubnames) 303 } 304 .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 305 { 306 *(.zdebug_pubnames) 307 } 308 309 /* DWARF 2. */ 310 .debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 311 { 312 *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*}) 313 } 314 .zdebug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 315 { 316 *(.zdebug_info${RELOCATING+ .zdebug.gnu.linkonce.wi.*}) 317 } 318 319 .debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 320 { 321 *(.debug_abbrev) 322 } 323 .zdebug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 324 { 325 *(.zdebug_abbrev) 326 } 327 328 .debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 329 { 330 *(.debug_line) 331 } 332 .zdebug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 333 { 334 *(.zdebug_line) 335 } 336 337 .debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 338 { 339 *(.debug_frame*) 340 } 341 .zdebug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 342 { 343 *(.zdebug_frame*) 344 } 345 346 .debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 347 { 348 *(.debug_str) 349 } 350 .zdebug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 351 { 352 *(.zdebug_str) 353 } 354 355 .debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 356 { 357 *(.debug_loc) 358 } 359 .zdebug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 360 { 361 *(.zdebug_loc) 362 } 363 364 .debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 365 { 366 *(.debug_macinfo) 367 } 368 .zdebug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 369 { 370 *(.zdebug_macinfo) 371 } 372 373 /* SGI/MIPS DWARF 2 extensions. */ 374 .debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 375 { 376 *(.debug_weaknames) 377 } 378 .zdebug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 379 { 380 *(.zdebug_weaknames) 381 } 382 383 .debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 384 { 385 *(.debug_funcnames) 386 } 387 .zdebug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 388 { 389 *(.zdebug_funcnames) 390 } 391 392 .debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 393 { 394 *(.debug_typenames) 395 } 396 .zdebug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 397 { 398 *(.zdebug_typenames) 399 } 400 401 .debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 402 { 403 *(.debug_varnames) 404 } 405 .zdebug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 406 { 407 *(.zdebug_varnames) 408 } 409 410 /* DWARF 3. */ 411 .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 412 { 413 *(.debug_pubtypes) 414 } 415 .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 416 { 417 *(.zdebug_pubtypes) 418 } 419 420 .debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 421 { 422 *(.debug_ranges) 423 } 424 .zdebug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 425 { 426 *(.zdebug_ranges) 427 } 428 429 /* DWARF 4. */ 430 .debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 431 { 432 *(.debug_types${RELOCATING+ .gnu.linkonce.wt.*}) 433 } 434 .zdebug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 435 { 436 *(.zdebug_types${RELOCATING+ .gnu.linkonce.wt.*}) 437 } 438 439 /* DWARF 5. */ 440 .debug_addr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 441 { 442 *(.debug_addr) 443 } 444 .zdebug_addr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 445 { 446 *(.zdebug_addr) 447 } 448 .debug_line_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 449 { 450 *(.debug_line_str) 451 } 452 .zdebug_line_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 453 { 454 *(.zdebug_line_str) 455 } 456 .debug_loclists ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 457 { 458 *(.debug_loclists) 459 } 460 .zdebug_loclists ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 461 { 462 *(.zdebug_loclists) 463 } 464 .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 465 { 466 *(.debug_macro) 467 } 468 .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 469 { 470 *(.zdebug_macro) 471 } 472 .debug_names ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 473 { 474 *(.debug_names) 475 } 476 .zdebug_names ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 477 { 478 *(.zdebug_names) 479 } 480 .debug_rnglists ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 481 { 482 *(.debug_rnglists) 483 } 484 .zdebug_rnglists ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 485 { 486 *(.zdebug_rnglists) 487 } 488 .debug_str_offsets ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 489 { 490 *(.debug_str_offsets) 491 } 492 .zdebug_str_offsets ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 493 { 494 *(.zdebug_str_offsets) 495 } 496 .debug_sup ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 497 { 498 *(.debug_sup) 499 } 500 501 /* For Go and Rust. */ 502 .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 503 { 504 *(.debug_gdb_scripts) 505 } 506 .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} : 507 { 508 *(.zdebug_gdb_scripts) 509 } 510} 511EOF 512