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 they do,
 110           the content from those variables are included but the symbols
 111           defined here silently take precedence.  If they truly need to
 112           be redefined, a custom linker script will have to be used.
 113           (The custom script can just be a copy of this script with the
 114           PROVIDE() qualifiers added).
 115
 116           See PR 22762 for more details.  */
 117        ___CTOR_LIST__ = .;
 118        __CTOR_LIST__ = .;
 119        LONG (-1);
 120        KEEP(*(.ctors));
 121        KEEP(*(.ctor));
 122        KEEP(*(SORT_BY_NAME(.ctors.*)));
 123        LONG (0);
 124      }
 125     ${CONSTRUCTING+
 126        /* See comment about __CTOR_LIST__ above.  The same reasoning
 127           applies here too.  */
 128        ___DTOR_LIST__ = .;
 129        __DTOR_LIST__ = .;
 130        LONG (-1);
 131        KEEP(*(.dtors));
 132        KEEP(*(.dtor));
 133        KEEP(*(SORT_BY_NAME(.dtors.*)));
 134        LONG (0);
 135      }
 136     ${RELOCATING+ KEEP (*(.fini))}
 137     /* ??? Why is .gcc_exc here?  */
 138     ${RELOCATING+ *(.gcc_exc)}
 139     ${RELOCATING+PROVIDE (etext = .);}
 140     ${RELOCATING+PROVIDE (_etext = .);}
 141     ${RELOCATING+ KEEP (*(.gcc_except_table))}
 142   }
 143
 144   /* The Cygwin32 library uses a section to avoid copying certain data
 145      on fork.  This used to be named ".data$nocopy".  The linker used
 146      to include this between __data_start__ and __data_end__, but that
 147      breaks building the cygwin32 dll.  Instead, we name the section
 148      ".data_cygwin_nocopy" and explicitly include it after __data_end__. */
 149
 150   .data ${RELOCATING+BLOCK(__section_alignment__)} :
 151   {
 152     ${RELOCATING+__data_start__ = . ;}
 153     *(.data)
 154     ${RELOCATING+*(.data2)}
 155     ${R_DATA}
 156     KEEP(*(.jcr))
 157     ${RELOCATING+__data_end__ = . ;}
 158     ${RELOCATING+*(.data_cygwin_nocopy)}
 159   }
 160
 161   .rdata ${RELOCATING+BLOCK(__section_alignment__)} :
 162   {
 163     ${R_RDATA}
 164     ${RELOCATING+__rt_psrelocs_start = .;}
 165     ${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))}
 166     ${RELOCATING+__rt_psrelocs_end = .;}
 167   }
 168   ${RELOCATING+__rt_psrelocs_size = __rt_psrelocs_end - __rt_psrelocs_start;}
 169   ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
 170   ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
 171   ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;}
 172   ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;}
 173
 174   .eh_frame ${RELOCATING+BLOCK(__section_alignment__)} :
 175   {
 176     KEEP(*(.eh_frame${RELOCATING+*}))
 177   }
 178
 179   .pdata ${RELOCATING+BLOCK(__section_alignment__)} :
 180   {
 181     KEEP(*(.pdata${RELOCATING+*}))
 182   }
 183
 184   .bss ${RELOCATING+BLOCK(__section_alignment__)} :
 185   {
 186     ${RELOCATING+__bss_start__ = . ;}
 187     *(.bss)
 188     *(COMMON)
 189     ${RELOCATING+__bss_end__ = . ;}
 190   }
 191
 192   .edata ${RELOCATING+BLOCK(__section_alignment__)} :
 193   {
 194     *(.edata)
 195   }
 196
 197   /DISCARD/ :
 198   {
 199     *(.debug\$S)
 200     *(.debug\$T)
 201     *(.debug\$F)
 202     *(.drectve)
 203     ${RELOCATING+ *(.note.GNU-stack)}
 204     ${RELOCATING+ *(.gnu.lto_*)}
 205   }
 206
 207   .idata ${RELOCATING+BLOCK(__section_alignment__)} :
 208   {
 209     /* This cannot currently be handled with grouped sections.
 210         See pe.em:sort_sections.  */
 211     ${R_IDATA234}
 212     ${RELOCATING+__IAT_start__ = .;}
 213     ${R_IDATA5}
 214     ${RELOCATING+__IAT_end__ = .;}
 215     ${R_IDATA67}
 216   }
 217   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
 218   {
 219     ${RELOCATING+___crt_xc_start__ = . ;}
 220     ${R_CRT_XC}
 221     ${RELOCATING+___crt_xc_end__ = . ;}
 222     ${RELOCATING+___crt_xi_start__ = . ;}
 223     ${R_CRT_XI}
 224     ${RELOCATING+___crt_xi_end__ = . ;}
 225     ${RELOCATING+___crt_xl_start__ = . ;}
 226     ${R_CRT_XL}
 227     /* ___crt_xl_end__ is defined in the TLS Directory support code */
 228     ${RELOCATING+___crt_xp_start__ = . ;}
 229     ${R_CRT_XP}
 230     ${RELOCATING+___crt_xp_end__ = . ;}
 231     ${RELOCATING+___crt_xt_start__ = . ;}
 232     ${R_CRT_XT}
 233     ${RELOCATING+___crt_xt_end__ = . ;}
 234   }
 235
 236   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
 237      at the end of section.  This is important because _tls_start MUST
 238      be at the beginning of the section to enable SECREL32 relocations with TLS
 239      data.  */
 240   .tls ${RELOCATING+BLOCK(__section_alignment__)} :
 241   {
 242     ${RELOCATING+___tls_start__ = . ;}
 243     ${R_TLS}
 244     ${RELOCATING+___tls_end__ = . ;}
 245   }
 246
 247   .endjunk ${RELOCATING+BLOCK(__section_alignment__)} :
 248   {
 249     /* end is deprecated, don't use it */
 250     ${RELOCATING+PROVIDE (end = .);}
 251     ${RELOCATING+PROVIDE ( _end = .);}
 252     ${RELOCATING+ __end__ = .;}
 253   }
 254
 255   .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4)
 256   {
 257     ${R_RSRC}
 258   }
 259
 260   .reloc ${RELOCATING+BLOCK(__section_alignment__)} :
 261   {
 262     *(.reloc)
 263   }
 264
 265   .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 266   {
 267     *(.stab)
 268   }
 269
 270   .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 271   {
 272     *(.stabstr)
 273   }
 274
 275   /* DWARF debug sections.
 276      Symbols in the DWARF debugging sections are relative to the beginning
 277      of the section.  Unlike other targets that fake this by putting the
 278      section VMA at 0, the PE format will not allow it.  */
 279
 280   /* DWARF 1.1 and DWARF 2.  */
 281   .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 282   {
 283     *(.debug_aranges)
 284   }
 285   .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 286   {
 287     *(.zdebug_aranges)
 288   }
 289
 290   .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 291   {
 292     *(.debug_pubnames)
 293   }
 294   .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 295   {
 296     *(.zdebug_pubnames)
 297   }
 298
 299   .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 300   {
 301     *(.debug_pubtypes)
 302   }
 303   .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 304   {
 305     *(.zdebug_pubtypes)
 306   }
 307
 308   /* DWARF 2.  */
 309   .debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 310   {
 311     *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*})
 312   }
 313   .zdebug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 314   {
 315     *(.zdebug_info${RELOCATING+ .zdebug.gnu.linkonce.wi.*})
 316   }
 317
 318   .debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 319   {
 320     *(.debug_abbrev)
 321   }
 322   .zdebug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 323   {
 324     *(.zdebug_abbrev)
 325   }
 326
 327   .debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 328   {
 329     *(.debug_line)
 330   }
 331   .zdebug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 332   {
 333     *(.zdebug_line)
 334   }
 335
 336   .debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 337   {
 338     *(.debug_frame*)
 339   }
 340   .zdebug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 341   {
 342     *(.zdebug_frame*)
 343   }
 344
 345   .debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 346   {
 347     *(.debug_str)
 348   }
 349   .zdebug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 350   {
 351     *(.zdebug_str)
 352   }
 353
 354   .debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 355   {
 356     *(.debug_loc)
 357   }
 358   .zdebug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 359   {
 360     *(.zdebug_loc)
 361   }
 362
 363   .debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 364   {
 365     *(.debug_macinfo)
 366   }
 367   .zdebug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 368   {
 369     *(.zdebug_macinfo)
 370   }
 371
 372   /* SGI/MIPS DWARF 2 extensions.  */
 373   .debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 374   {
 375     *(.debug_weaknames)
 376   }
 377   .zdebug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 378   {
 379     *(.zdebug_weaknames)
 380   }
 381
 382   .debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 383   {
 384     *(.debug_funcnames)
 385   }
 386   .zdebug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 387   {
 388     *(.zdebug_funcnames)
 389   }
 390
 391   .debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 392   {
 393     *(.debug_typenames)
 394   }
 395   .zdebug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 396   {
 397     *(.zdebug_typenames)
 398   }
 399
 400   .debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 401   {
 402     *(.debug_varnames)
 403   }
 404   .zdebug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 405   {
 406     *(.zdebug_varnames)
 407   }
 408
 409   .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 410   {
 411     *(.debug_macro)
 412   }
 413   .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 414   {
 415     *(.zdebug_macro)
 416   }
 417
 418   /* DWARF 3.  */
 419   .debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 420   {
 421     *(.debug_ranges)
 422   }
 423   .zdebug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 424   {
 425     *(.zdebug_ranges)
 426   }
 427
 428   /* DWARF 4.  */
 429   .debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 430   {
 431     *(.debug_types${RELOCATING+ .gnu.linkonce.wt.*})
 432   }
 433   .zdebug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 434   {
 435     *(.zdebug_types${RELOCATING+ .gnu.linkonce.wt.*})
 436   }
 437
 438   /* For Go and Rust.  */
 439   .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 440   {
 441     *(.debug_gdb_scripts)
 442   }
 443   .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 444   {
 445     *(.zdebug_gdb_scripts)
 446   }
 447 }
 448 EOF