ld/scripttempl/pe.sc

   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
   9 if test -z "${RELOCATEABLE_OUTPUT_FORMAT}"; then
  10   RELOCATEABLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
  11 fi
  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$* sections is required by the definition of
  16 # grouped sections in PE.
  17 # Sorting of the file names in R_IDATA is required by the
  18 # current implementation of dlltool (this could probably be changed to
  19 # use grouped sections instead).
  20 if test "${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='KEEP (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$*))'
  56 else
  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)'
  70 fi
  71
  72 cat <<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
  85 SECTIONS
  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+
 101        /* Note: we always define __CTOR_LIST__ and ___CTOR_LIST__ here,
 102           we do not PROVIDE them.  This is because the ctors.o startup
 103           code in libgcc defines them as common symbols, with the
 104           expectation that they will be overridden by the definitions
 105           here.  If we PROVIDE the symbols then they will not be
 106           overridden and global constructors will not be run.
 107
 108           This does mean that it is not possible for a user to define
 109           their own __CTOR_LIST__ and __DTOR_LIST__ symbols.  If that
 110           ability is needed a custom linker script will have to be
 111           used.  (The custom script can just be a copy of this script
 112           with the PROVIDE() qualifiers added).
 113
 114           See PR 22762 for more details.  */
 115        ___CTOR_LIST__ = .;
 116        __CTOR_LIST__ = .;
 117        LONG (-1);
 118        KEEP(*(.ctors));
 119        KEEP(*(.ctor));
 120        KEEP(*(SORT_BY_NAME(.ctors.*)));
 121        LONG (0);
 122      }
 123     ${CONSTRUCTING+
 124        /* See comment about __CTOR_LIST__ above.  The same reasoning
 125           applies here too.  */
 126        ___DTOR_LIST__ = .;
 127        __DTOR_LIST__ = .;
 128        LONG (-1);
 129        KEEP(*(.dtors));
 130        KEEP(*(.dtor));
 131        KEEP(*(SORT_BY_NAME(.dtors.*)));
 132        LONG (0);
 133      }
 134     ${RELOCATING+ KEEP (*(.fini))}
 135     /* ??? Why is .gcc_exc here?  */
 136     ${RELOCATING+ *(.gcc_exc)}
 137     ${RELOCATING+PROVIDE (etext = .);}
 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   .bss ${RELOCATING+BLOCK(__section_alignment__)} :
 183   {
 184     ${RELOCATING+__bss_start__ = . ;}
 185     *(.bss)
 186     *(COMMON)
 187     ${RELOCATING+__bss_end__ = . ;}
 188   }
 189
 190   .edata ${RELOCATING+BLOCK(__section_alignment__)} :
 191   {
 192     *(.edata)
 193   }
 194
 195   /DISCARD/ :
 196   {
 197     *(.debug\$S)
 198     *(.debug\$T)
 199     *(.debug\$F)
 200     *(.drectve)
 201     ${RELOCATING+ *(.note.GNU-stack)}
 202     ${RELOCATING+ *(.gnu.lto_*)}
 203   }
 204
 205   .idata ${RELOCATING+BLOCK(__section_alignment__)} :
 206   {
 207     /* This cannot currently be handled with grouped sections.
 208         See pe.em:sort_sections.  */
 209     ${R_IDATA234}
 210     ${RELOCATING+__IAT_start__ = .;}
 211     ${R_IDATA5}
 212     ${RELOCATING+__IAT_end__ = .;}
 213     ${R_IDATA67}
 214   }
 215   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
 216   {
 217     ${RELOCATING+___crt_xc_start__ = . ;}
 218     ${R_CRT_XC}
 219     ${RELOCATING+___crt_xc_end__ = . ;}
 220     ${RELOCATING+___crt_xi_start__ = . ;}
 221     ${R_CRT_XI}
 222     ${RELOCATING+___crt_xi_end__ = . ;}
 223     ${RELOCATING+___crt_xl_start__ = . ;}
 224     ${R_CRT_XL}
 225     /* ___crt_xl_end__ is defined in the TLS Directory support code */
 226     ${RELOCATING+___crt_xp_start__ = . ;}
 227     ${R_CRT_XP}
 228     ${RELOCATING+___crt_xp_end__ = . ;}
 229     ${RELOCATING+___crt_xt_start__ = . ;}
 230     ${R_CRT_XT}
 231     ${RELOCATING+___crt_xt_end__ = . ;}
 232   }
 233
 234   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
 235      at the end of section.  This is important because _tls_start MUST
 236      be at the beginning of the section to enable SECREL32 relocations with TLS
 237      data.  */
 238   .tls ${RELOCATING+BLOCK(__section_alignment__)} :
 239   {
 240     ${RELOCATING+___tls_start__ = . ;}
 241     ${R_TLS}
 242     ${RELOCATING+___tls_end__ = . ;}
 243   }
 244
 245   .endjunk ${RELOCATING+BLOCK(__section_alignment__)} :
 246   {
 247     /* end is deprecated, don't use it */
 248     ${RELOCATING+PROVIDE (end = .);}
 249     ${RELOCATING+PROVIDE ( _end = .);}
 250     ${RELOCATING+ __end__ = .;}
 251   }
 252
 253   .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4)
 254   {
 255     ${R_RSRC}
 256   }
 257
 258   .reloc ${RELOCATING+BLOCK(__section_alignment__)} :
 259   {
 260     *(.reloc)
 261   }
 262
 263   .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 264   {
 265     *(.stab)
 266   }
 267
 268   .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 269   {
 270     *(.stabstr)
 271   }
 272
 273   /* DWARF debug sections.
 274      Symbols in the DWARF debugging sections are relative to the beginning
 275      of the section.  Unlike other targets that fake this by putting the
 276      section VMA at 0, the PE format will not allow it.  */
 277
 278   /* DWARF 1.1 and DWARF 2.  */
 279   .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 280   {
 281     *(.debug_aranges)
 282   }
 283   .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 284   {
 285     *(.zdebug_aranges)
 286   }
 287
 288   .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 289   {
 290     *(.debug_pubnames)
 291   }
 292   .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 293   {
 294     *(.zdebug_pubnames)
 295   }
 296
 297   .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 298   {
 299     *(.debug_pubtypes)
 300   }
 301   .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 302   {
 303     *(.zdebug_pubtypes)
 304   }
 305
 306   /* DWARF 2.  */
 307   .debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 308   {
 309     *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*})
 310   }
 311   .zdebug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 312   {
 313     *(.zdebug_info${RELOCATING+ .zdebug.gnu.linkonce.wi.*})
 314   }
 315
 316   .debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 317   {
 318     *(.debug_abbrev)
 319   }
 320   .zdebug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 321   {
 322     *(.zdebug_abbrev)
 323   }
 324
 325   .debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 326   {
 327     *(.debug_line)
 328   }
 329   .zdebug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 330   {
 331     *(.zdebug_line)
 332   }
 333
 334   .debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 335   {
 336     *(.debug_frame*)
 337   }
 338   .zdebug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 339   {
 340     *(.zdebug_frame*)
 341   }
 342
 343   .debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 344   {
 345     *(.debug_str)
 346   }
 347   .zdebug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 348   {
 349     *(.zdebug_str)
 350   }
 351
 352   .debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 353   {
 354     *(.debug_loc)
 355   }
 356   .zdebug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 357   {
 358     *(.zdebug_loc)
 359   }
 360
 361   .debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 362   {
 363     *(.debug_macinfo)
 364   }
 365   .zdebug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 366   {
 367     *(.zdebug_macinfo)
 368   }
 369
 370   /* SGI/MIPS DWARF 2 extensions.  */
 371   .debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 372   {
 373     *(.debug_weaknames)
 374   }
 375   .zdebug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 376   {
 377     *(.zdebug_weaknames)
 378   }
 379
 380   .debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 381   {
 382     *(.debug_funcnames)
 383   }
 384   .zdebug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 385   {
 386     *(.zdebug_funcnames)
 387   }
 388
 389   .debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 390   {
 391     *(.debug_typenames)
 392   }
 393   .zdebug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 394   {
 395     *(.zdebug_typenames)
 396   }
 397
 398   .debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 399   {
 400     *(.debug_varnames)
 401   }
 402   .zdebug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 403   {
 404     *(.zdebug_varnames)
 405   }
 406
 407   .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 408   {
 409     *(.debug_macro)
 410   }
 411   .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 412   {
 413     *(.zdebug_macro)
 414   }
 415
 416   /* DWARF 3.  */
 417   .debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 418   {
 419     *(.debug_ranges)
 420   }
 421   .zdebug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 422   {
 423     *(.zdebug_ranges)
 424   }
 425
 426   /* DWARF 4.  */
 427   .debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 428   {
 429     *(.debug_types${RELOCATING+ .gnu.linkonce.wt.*})
 430   }
 431   .zdebug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 432   {
 433     *(.zdebug_types${RELOCATING+ .gnu.linkonce.wt.*})
 434   }
 435
 436   /* For Go and Rust.  */
 437   .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 438   {
 439     *(.debug_gdb_scripts)
 440   }
 441   .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 442   {
 443     *(.zdebug_gdb_scripts)
 444   }
 445 }
 446 EOF