ld/scripttempl/pe.sc

   1 # Linker script for PE.
   2 #
   3 # Copyright (C) 2014-2019 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) 2014-2019 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 (*(SORT_NONE(.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 (*(SORT_NONE(.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     . = ALIGN(4);
 165     ${RELOCATING+__rt_psrelocs_start = .;}
 166     ${RELOCATING+KEEP(*(.rdata_runtime_pseudo_reloc))}
 167     ${RELOCATING+__rt_psrelocs_end = .;}
 168   }
 169   ${RELOCATING+__rt_psrelocs_size = __rt_psrelocs_end - __rt_psrelocs_start;}
 170   ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
 171   ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST_END__ = .;}
 172   ${RELOCATING+___RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;}
 173   ${RELOCATING+__RUNTIME_PSEUDO_RELOC_LIST__ = . - __rt_psrelocs_size;}
 174
 175   .eh_frame ${RELOCATING+BLOCK(__section_alignment__)} :
 176   {
 177     KEEP(*(.eh_frame${RELOCATING+*}))
 178   }
 179
 180   .pdata ${RELOCATING+BLOCK(__section_alignment__)} :
 181   {
 182     KEEP(*(.pdata${RELOCATING+*}))
 183   }
 184
 185   .bss ${RELOCATING+BLOCK(__section_alignment__)} :
 186   {
 187     ${RELOCATING+__bss_start__ = . ;}
 188     *(.bss)
 189     *(COMMON)
 190     ${RELOCATING+__bss_end__ = . ;}
 191   }
 192
 193   .edata ${RELOCATING+BLOCK(__section_alignment__)} :
 194   {
 195     *(.edata)
 196   }
 197
 198   /DISCARD/ :
 199   {
 200     *(.debug\$S)
 201     *(.debug\$T)
 202     *(.debug\$F)
 203     *(.drectve)
 204     ${RELOCATING+ *(.note.GNU-stack)}
 205     ${RELOCATING+ *(.gnu.lto_*)}
 206   }
 207
 208   .idata ${RELOCATING+BLOCK(__section_alignment__)} :
 209   {
 210     /* This cannot currently be handled with grouped sections.
 211         See pe.em:sort_sections.  */
 212     ${R_IDATA234}
 213     ${RELOCATING+__IAT_start__ = .;}
 214     ${R_IDATA5}
 215     ${RELOCATING+__IAT_end__ = .;}
 216     ${R_IDATA67}
 217   }
 218   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
 219   {
 220     ${RELOCATING+___crt_xc_start__ = . ;}
 221     ${R_CRT_XC}
 222     ${RELOCATING+___crt_xc_end__ = . ;}
 223     ${RELOCATING+___crt_xi_start__ = . ;}
 224     ${R_CRT_XI}
 225     ${RELOCATING+___crt_xi_end__ = . ;}
 226     ${RELOCATING+___crt_xl_start__ = . ;}
 227     ${R_CRT_XL}
 228     /* ___crt_xl_end__ is defined in the TLS Directory support code */
 229     ${RELOCATING+___crt_xp_start__ = . ;}
 230     ${R_CRT_XP}
 231     ${RELOCATING+___crt_xp_end__ = . ;}
 232     ${RELOCATING+___crt_xt_start__ = . ;}
 233     ${R_CRT_XT}
 234     ${RELOCATING+___crt_xt_end__ = . ;}
 235   }
 236
 237   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
 238      at the end of section.  This is important because _tls_start MUST
 239      be at the beginning of the section to enable SECREL32 relocations with TLS
 240      data.  */
 241   .tls ${RELOCATING+BLOCK(__section_alignment__)} :
 242   {
 243     ${RELOCATING+___tls_start__ = . ;}
 244     ${R_TLS}
 245     ${RELOCATING+___tls_end__ = . ;}
 246   }
 247
 248   .endjunk ${RELOCATING+BLOCK(__section_alignment__)} :
 249   {
 250     /* end is deprecated, don't use it */
 251     ${RELOCATING+PROVIDE (end = .);}
 252     ${RELOCATING+PROVIDE ( _end = .);}
 253     ${RELOCATING+ __end__ = .;}
 254   }
 255
 256   .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4)
 257   {
 258     ${R_RSRC}
 259   }
 260
 261   .reloc ${RELOCATING+BLOCK(__section_alignment__)} :
 262   {
 263     *(.reloc)
 264   }
 265
 266   .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 267   {
 268     *(.stab)
 269   }
 270
 271   .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 272   {
 273     *(.stabstr)
 274   }
 275
 276   /* DWARF debug sections.
 277      Symbols in the DWARF debugging sections are relative to the beginning
 278      of the section.  Unlike other targets that fake this by putting the
 279      section VMA at 0, the PE format will not allow it.  */
 280
 281   /* DWARF 1.1 and DWARF 2.  */
 282   .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 283   {
 284     *(.debug_aranges)
 285   }
 286   .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 287   {
 288     *(.zdebug_aranges)
 289   }
 290
 291   .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 292   {
 293     *(.debug_pubnames)
 294   }
 295   .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 296   {
 297     *(.zdebug_pubnames)
 298   }
 299
 300   .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 301   {
 302     *(.debug_pubtypes)
 303   }
 304   .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 305   {
 306     *(.zdebug_pubtypes)
 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   .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 411   {
 412     *(.debug_macro)
 413   }
 414   .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 415   {
 416     *(.zdebug_macro)
 417   }
 418
 419   /* DWARF 3.  */
 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   /* For Go and Rust.  */
 440   .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 441   {
 442     *(.debug_gdb_scripts)
 443   }
 444   .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 445   {
 446     *(.zdebug_gdb_scripts)
 447   }
 448 }
 449 EOF