ld/scripttempl/pep.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='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+. = 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 they do,
 111           the content from those variables are included but the symbols
 112           defined here silently take precedence.  If they truly need to
 113           be redefined, a custom linker script will have to be used.
 114           (The custom script can just be a copy of this script with the
 115           PROVIDE() qualifiers added).
 116
 117           See PR 22762 for more details.  */
 118        ___CTOR_LIST__ = .;
 119        __CTOR_LIST__ = .;
 120        LONG (-1); LONG (-1);
 121        KEEP (*(.ctors));
 122        KEEP (*(.ctor));
 123        KEEP (*(SORT_BY_NAME(.ctors.*)));
 124        LONG (0); LONG (0);
 125      }
 126     ${CONSTRUCTING+
 127        /* See comment about __CTOR_LIST__ above.  The same reasoning
 128           applies here too.  */
 129        ___DTOR_LIST__ = .;
 130        __DTOR_LIST__ = .;
 131        LONG (-1); LONG (-1);
 132        KEEP (*(.dtors));
 133        KEEP (*(.dtor));
 134        KEEP (*(SORT_BY_NAME(.dtors.*)));
 135        LONG (0); LONG (0);
 136      }
 137     ${RELOCATING+ KEEP (*(.fini))}
 138     /* ??? Why is .gcc_exc here?  */
 139     ${RELOCATING+ *(.gcc_exc)}
 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   .xdata ${RELOCATING+BLOCK(__section_alignment__)} :
 185   {
 186     KEEP(*(.xdata${RELOCATING+*}))
 187   }
 188
 189   .bss ${RELOCATING+BLOCK(__section_alignment__)} :
 190   {
 191     ${RELOCATING+__bss_start__ = . ;}
 192     *(.bss)
 193     *(COMMON)
 194     ${RELOCATING+__bss_end__ = . ;}
 195   }
 196
 197   .edata ${RELOCATING+BLOCK(__section_alignment__)} :
 198   {
 199     *(.edata)
 200   }
 201
 202   /DISCARD/ :
 203   {
 204     *(.debug\$S)
 205     *(.debug\$T)
 206     *(.debug\$F)
 207     *(.drectve)
 208     ${RELOCATING+ *(.note.GNU-stack)}
 209     ${RELOCATING+ *(.gnu.lto_*)}
 210   }
 211
 212   .idata ${RELOCATING+BLOCK(__section_alignment__)} :
 213   {
 214     /* This cannot currently be handled with grouped sections.
 215         See pep.em:sort_sections.  */
 216     ${R_IDATA234}
 217     ${RELOCATING+__IAT_start__ = .;}
 218     ${R_IDATA5}
 219     ${RELOCATING+__IAT_end__ = .;}
 220     ${R_IDATA67}
 221   }
 222   .CRT ${RELOCATING+BLOCK(__section_alignment__)} :
 223   {
 224     ${RELOCATING+___crt_xc_start__ = . ;}
 225     ${R_CRT_XC}
 226     ${RELOCATING+___crt_xc_end__ = . ;}
 227     ${RELOCATING+___crt_xi_start__ = . ;}
 228     ${R_CRT_XI}
 229     ${RELOCATING+___crt_xi_end__ = . ;}
 230     ${RELOCATING+___crt_xl_start__ = . ;}
 231     ${R_CRT_XL}
 232     /* ___crt_xl_end__ is defined in the TLS Directory support code */
 233     ${RELOCATING+___crt_xp_start__ = . ;}
 234     ${R_CRT_XP}
 235     ${RELOCATING+___crt_xp_end__ = . ;}
 236     ${RELOCATING+___crt_xt_start__ = . ;}
 237     ${R_CRT_XT}
 238     ${RELOCATING+___crt_xt_end__ = . ;}
 239   }
 240
 241   /* Windows TLS expects .tls\$AAA to be at the start and .tls\$ZZZ to be
 242      at the end of the .tls section.  This is important because _tls_start MUST
 243      be at the beginning of the section to enable SECREL32 relocations with TLS
 244      data.  */
 245   .tls ${RELOCATING+BLOCK(__section_alignment__)} :
 246   {
 247     ${RELOCATING+___tls_start__ = . ;}
 248     ${R_TLS}
 249     ${RELOCATING+___tls_end__ = . ;}
 250   }
 251
 252   .endjunk ${RELOCATING+BLOCK(__section_alignment__)} :
 253   {
 254     /* end is deprecated, don't use it */
 255     ${RELOCATING+PROVIDE (end = .);}
 256     ${RELOCATING+PROVIDE ( _end = .);}
 257     ${RELOCATING+ __end__ = .;}
 258   }
 259
 260   .rsrc ${RELOCATING+BLOCK(__section_alignment__)} : SUBALIGN(4)
 261   {
 262     ${R_RSRC}
 263   }
 264
 265   .reloc ${RELOCATING+BLOCK(__section_alignment__)} :
 266   {
 267     *(.reloc)
 268   }
 269
 270   .stab ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 271   {
 272     *(.stab)
 273   }
 274
 275   .stabstr ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 276   {
 277     *(.stabstr)
 278   }
 279
 280   /* DWARF debug sections.
 281      Symbols in the DWARF debugging sections are relative to the beginning
 282      of the section.  Unlike other targets that fake this by putting the
 283      section VMA at 0, the PE format will not allow it.  */
 284
 285   /* DWARF 1.1 and DWARF 2.  */
 286   .debug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 287   {
 288     *(.debug_aranges)
 289   }
 290   .zdebug_aranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 291   {
 292     *(.zdebug_aranges)
 293   }
 294
 295   .debug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 296   {
 297     *(.debug_pubnames)
 298   }
 299   .zdebug_pubnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 300   {
 301     *(.zdebug_pubnames)
 302   }
 303
 304   .debug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 305   {
 306     *(.debug_pubtypes)
 307   }
 308   .zdebug_pubtypes ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 309   {
 310     *(.zdebug_pubtypes)
 311   }
 312
 313   /* DWARF 2.  */
 314   .debug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 315   {
 316     *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*})
 317   }
 318   .zdebug_info ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 319   {
 320     *(.zdebug_info${RELOCATING+ .zdebug.gnu.linkonce.wi.*})
 321   }
 322
 323   .debug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 324   {
 325     *(.debug_abbrev)
 326   }
 327   .zdebug_abbrev ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 328   {
 329     *(.zdebug_abbrev)
 330   }
 331
 332   .debug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 333   {
 334     *(.debug_line)
 335   }
 336   .zdebug_line ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 337   {
 338     *(.zdebug_line)
 339   }
 340
 341   .debug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 342   {
 343     *(.debug_frame)
 344   }
 345   .zdebug_frame ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 346   {
 347     *(.zdebug_frame)
 348   }
 349
 350   .debug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 351   {
 352     *(.debug_str)
 353   }
 354   .zdebug_str ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 355   {
 356     *(.zdebug_str)
 357   }
 358
 359   .debug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 360   {
 361     *(.debug_loc)
 362   }
 363   .zdebug_loc ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 364   {
 365     *(.zdebug_loc)
 366   }
 367
 368   .debug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 369   {
 370     *(.debug_macinfo)
 371   }
 372   .zdebug_macinfo ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 373   {
 374     *(.zdebug_macinfo)
 375   }
 376
 377   /* SGI/MIPS DWARF 2 extensions.  */
 378   .debug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 379   {
 380     *(.debug_weaknames)
 381   }
 382   .zdebug_weaknames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 383   {
 384     *(.zdebug_weaknames)
 385   }
 386
 387   .debug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 388   {
 389     *(.debug_funcnames)
 390   }
 391   .zdebug_funcnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 392   {
 393     *(.zdebug_funcnames)
 394   }
 395
 396   .debug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 397   {
 398     *(.debug_typenames)
 399   }
 400   .zdebug_typenames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 401   {
 402     *(.zdebug_typenames)
 403   }
 404
 405   .debug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 406   {
 407     *(.debug_varnames)
 408   }
 409   .zdebug_varnames ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 410   {
 411     *(.zdebug_varnames)
 412   }
 413
 414   .debug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 415   {
 416     *(.debug_macro)
 417   }
 418   .zdebug_macro ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 419   {
 420     *(.zdebug_macro)
 421   }
 422
 423   /* DWARF 3.  */
 424   .debug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 425   {
 426     *(.debug_ranges)
 427   }
 428   .zdebug_ranges ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 429   {
 430     *(.zdebug_ranges)
 431   }
 432
 433   /* DWARF 4.  */
 434   .debug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 435   {
 436     *(.debug_types${RELOCATING+ .gnu.linkonce.wt.*})
 437   }
 438   .zdebug_types ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 439   {
 440     *(.zdebug_types${RELOCATING+ .zdebug.gnu.linkonce.wt.*})
 441   }
 442
 443   /* For Go and Rust.  */
 444   .debug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 445   {
 446     *(.debug_gdb_scripts)
 447   }
 448   .zdebug_gdb_scripts ${RELOCATING+BLOCK(__section_alignment__)} ${RELOCATING+(NOLOAD)} :
 449   {
 450     *(.zdebug_gdb_scripts)
 451   }
 452 }
 453 EOF