xref: /freebsd/sys/conf/ldscript.amd64 (revision 21b737495b4acba14849ea33e7ac97803e021a35)
1d0e12656SPeter Wemm/* $FreeBSD$ */
2491fb274SDimitry AndricOUTPUT_FORMAT("elf64-x86-64-freebsd", "elf64-x86-64-freebsd", "elf64-x86-64-freebsd")
3b05deb9bSPeter WemmOUTPUT_ARCH(i386:x86-64)
46b7a14ceSPeter WemmENTRY(btext)
5b05deb9bSPeter WemmSEARCH_DIR("/usr/lib");
66b7a14ceSPeter WemmSECTIONS
76b7a14ceSPeter Wemm{
86b7a14ceSPeter Wemm  /* Read-only sections, merged into text segment: */
99d99bb0aSEd Maste  kernphys = 0x200000;
101c675a3bSAlan Cox  . = kernbase + kernphys + SIZEOF_HEADERS;
117e748038SRoger Pau Monné  /*
127e748038SRoger Pau Monné   * Use the AT keyword in order to set the right LMA that contains
137e748038SRoger Pau Monné   * the physical address where the section should be loaded. This is
147e748038SRoger Pau Monné   * needed for the Xen loader which honours the LMA.
157e748038SRoger Pau Monné   */
167e748038SRoger Pau Monné  .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
176b7a14ceSPeter Wemm  .hash           : { *(.hash) }
188ba66bb8SDimitry Andric  .gnu.hash       : { *(.gnu.hash) }
196b7a14ceSPeter Wemm  .dynsym         : { *(.dynsym) }
206b7a14ceSPeter Wemm  .dynstr         : { *(.dynstr) }
216b7a14ceSPeter Wemm  .gnu.version    : { *(.gnu.version) }
226b7a14ceSPeter Wemm  .gnu.version_d  : { *(.gnu.version_d) }
236b7a14ceSPeter Wemm  .gnu.version_r  : { *(.gnu.version_r) }
24b05deb9bSPeter Wemm  .rel.init       : { *(.rel.init) }
25b05deb9bSPeter Wemm  .rela.init      : { *(.rela.init) }
26b05deb9bSPeter Wemm  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
27b05deb9bSPeter Wemm  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
28b05deb9bSPeter Wemm  .rel.fini       : { *(.rel.fini) }
29b05deb9bSPeter Wemm  .rela.fini      : { *(.rela.fini) }
30b05deb9bSPeter Wemm  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
31b05deb9bSPeter Wemm  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
328ba66bb8SDimitry Andric  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
338ba66bb8SDimitry Andric  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
34b05deb9bSPeter Wemm  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
35b05deb9bSPeter Wemm  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
36b05deb9bSPeter Wemm  .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
37b05deb9bSPeter Wemm  .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
38b05deb9bSPeter Wemm  .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
39b05deb9bSPeter Wemm  .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
406b7a14ceSPeter Wemm  .rel.ctors      : { *(.rel.ctors) }
416b7a14ceSPeter Wemm  .rela.ctors     : { *(.rela.ctors) }
426b7a14ceSPeter Wemm  .rel.dtors      : { *(.rel.dtors) }
436b7a14ceSPeter Wemm  .rela.dtors     : { *(.rela.dtors) }
44b05deb9bSPeter Wemm  .rel.got        : { *(.rel.got) }
45b05deb9bSPeter Wemm  .rela.got       : { *(.rela.got) }
46b05deb9bSPeter Wemm  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
47b05deb9bSPeter Wemm  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
488ba66bb8SDimitry Andric  .rel.ldata      : { *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) }
498ba66bb8SDimitry Andric  .rela.ldata     : { *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) }
508ba66bb8SDimitry Andric  .rel.lbss       : { *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) }
518ba66bb8SDimitry Andric  .rela.lbss      : { *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) }
528ba66bb8SDimitry Andric  .rel.lrodata    : { *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) }
538ba66bb8SDimitry Andric  .rela.lrodata   : { *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) }
546b7a14ceSPeter Wemm  .rel.plt        : { *(.rel.plt) }
556b7a14ceSPeter Wemm  .rela.plt       : { *(.rela.plt) }
56b05deb9bSPeter Wemm  .init           :
57b05deb9bSPeter Wemm  {
58b05deb9bSPeter Wemm    KEEP (*(.init))
59b05deb9bSPeter Wemm  } =0x90909090
606b7a14ceSPeter Wemm  .plt            : { *(.plt) }
616b7a14ceSPeter Wemm  .text           :
626b7a14ceSPeter Wemm  {
63b05deb9bSPeter Wemm    *(.text .stub .text.* .gnu.linkonce.t.*)
648ba66bb8SDimitry Andric    KEEP (*(.text.*personality*))
656b7a14ceSPeter Wemm    /* .gnu.warning sections are handled specially by elf32.em.  */
666b7a14ceSPeter Wemm    *(.gnu.warning)
67b05deb9bSPeter Wemm  } =0x90909090
68b05deb9bSPeter Wemm  .fini           :
69b05deb9bSPeter Wemm  {
70b05deb9bSPeter Wemm    KEEP (*(.fini))
71b05deb9bSPeter Wemm  } =0x90909090
72b05deb9bSPeter Wemm  PROVIDE (__etext = .);
73b05deb9bSPeter Wemm  PROVIDE (_etext = .);
746b7a14ceSPeter Wemm  PROVIDE (etext = .);
75b05deb9bSPeter Wemm  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
766b7a14ceSPeter Wemm  .rodata1        : { *(.rodata1) }
77b05deb9bSPeter Wemm  .eh_frame_hdr : { *(.eh_frame_hdr) }
788ba66bb8SDimitry Andric  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
798ba66bb8SDimitry Andric  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
806b7a14ceSPeter Wemm  /* Adjust the address for the data segment.  We want to adjust up to
816b7a14ceSPeter Wemm     the same address within the page on the next page up.  */
828ba66bb8SDimitry Andric  . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
838ba66bb8SDimitry Andric  /* Exception handling  */
848ba66bb8SDimitry Andric  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
858ba66bb8SDimitry Andric  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
868ba66bb8SDimitry Andric  /* Thread Local Storage sections  */
87b05deb9bSPeter Wemm  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
88b05deb9bSPeter Wemm  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
898ba66bb8SDimitry Andric  .preinit_array     :
908ba66bb8SDimitry Andric  {
918ba66bb8SDimitry Andric    PROVIDE_HIDDEN (__preinit_array_start = .);
928ba66bb8SDimitry Andric    KEEP (*(.preinit_array))
938ba66bb8SDimitry Andric    PROVIDE_HIDDEN (__preinit_array_end = .);
948ba66bb8SDimitry Andric  }
958ba66bb8SDimitry Andric  .init_array     :
968ba66bb8SDimitry Andric  {
978ba66bb8SDimitry Andric     PROVIDE_HIDDEN (__init_array_start = .);
988ba66bb8SDimitry Andric     KEEP (*(SORT(.init_array.*)))
998ba66bb8SDimitry Andric     KEEP (*(.init_array))
1008ba66bb8SDimitry Andric     PROVIDE_HIDDEN (__init_array_end = .);
1018ba66bb8SDimitry Andric  }
1028ba66bb8SDimitry Andric  .fini_array     :
1038ba66bb8SDimitry Andric  {
1048ba66bb8SDimitry Andric    PROVIDE_HIDDEN (__fini_array_start = .);
1058ba66bb8SDimitry Andric    KEEP (*(.fini_array))
1068ba66bb8SDimitry Andric    KEEP (*(SORT(.fini_array.*)))
1078ba66bb8SDimitry Andric    PROVIDE_HIDDEN (__fini_array_end = .);
1088ba66bb8SDimitry Andric  }
109907cb02fSTim J. Robbins  _start_ctors = .;
110907cb02fSTim J. Robbins  PROVIDE (start_ctors = .);
1116b7a14ceSPeter Wemm  .ctors          :
1126b7a14ceSPeter Wemm  {
113b05deb9bSPeter Wemm    /* gcc uses crtbegin.o to find the start of
114b05deb9bSPeter Wemm       the constructors, so we make sure it is
115b05deb9bSPeter Wemm       first.  Because this is a wildcard, it
116b05deb9bSPeter Wemm       doesn't matter if the user does not
117b05deb9bSPeter Wemm       actually link against crtbegin.o; the
118b05deb9bSPeter Wemm       linker won't look for a file to match a
119b05deb9bSPeter Wemm       wildcard.  The wildcard also means that it
120b05deb9bSPeter Wemm       doesn't matter which directory crtbegin.o
121b05deb9bSPeter Wemm       is in.  */
122b05deb9bSPeter Wemm    KEEP (*crtbegin.o(.ctors))
1238ba66bb8SDimitry Andric    KEEP (*crtbegin?.o(.ctors))
124b05deb9bSPeter Wemm    /* We don't want to include the .ctor section from
1258ba66bb8SDimitry Andric       the crtend.o file until after the sorted ctors.
126b05deb9bSPeter Wemm       The .ctor section from the crtend file contains the
127b05deb9bSPeter Wemm       end of ctors marker and it must be last */
1288ba66bb8SDimitry Andric    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
129b05deb9bSPeter Wemm    KEEP (*(SORT(.ctors.*)))
130b05deb9bSPeter Wemm    KEEP (*(.ctors))
1316b7a14ceSPeter Wemm  }
132907cb02fSTim J. Robbins  _stop_ctors = .;
133907cb02fSTim J. Robbins  PROVIDE (stop_ctors = .);
1346b7a14ceSPeter Wemm  .dtors          :
1356b7a14ceSPeter Wemm  {
136b05deb9bSPeter Wemm    KEEP (*crtbegin.o(.dtors))
1378ba66bb8SDimitry Andric    KEEP (*crtbegin?.o(.dtors))
1388ba66bb8SDimitry Andric    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
139b05deb9bSPeter Wemm    KEEP (*(SORT(.dtors.*)))
140b05deb9bSPeter Wemm    KEEP (*(.dtors))
1416b7a14ceSPeter Wemm  }
142b05deb9bSPeter Wemm  .jcr            : { KEEP (*(.jcr)) }
1438ba66bb8SDimitry Andric  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
1448ba66bb8SDimitry Andric  .dynamic        : { *(.dynamic) }
1458ba66bb8SDimitry Andric  .got            : { *(.got) }
1468ba66bb8SDimitry Andric  . = DATA_SEGMENT_RELRO_END (24, .);
1478ba66bb8SDimitry Andric  .got.plt        : { *(.got.plt) }
148*21b73749SMateusz Guzik  . = ALIGN(64);
149*21b73749SMateusz Guzik  .data.read_mostly :
150*21b73749SMateusz Guzik  {
151*21b73749SMateusz Guzik    *(.data.read_mostly)
152*21b73749SMateusz Guzik  }
153*21b73749SMateusz Guzik  . = ALIGN(64);
154*21b73749SMateusz Guzik  .data.exclusive_cache_line :
155*21b73749SMateusz Guzik  {
156*21b73749SMateusz Guzik    *(.data.exclusive_cache_line)
157*21b73749SMateusz Guzik  }
158*21b73749SMateusz Guzik  . = ALIGN(64);
1598ba66bb8SDimitry Andric  .data           :
1608ba66bb8SDimitry Andric  {
1618ba66bb8SDimitry Andric    *(.data .data.* .gnu.linkonce.d.*)
1628ba66bb8SDimitry Andric    KEEP (*(.gnu.linkonce.d.*personality*))
1638ba66bb8SDimitry Andric  }
1648ba66bb8SDimitry Andric  .data1          : { *(.data1) }
1658ba66bb8SDimitry Andric  _edata = .; PROVIDE (edata = .);
1666b7a14ceSPeter Wemm  __bss_start = .;
1676b7a14ceSPeter Wemm  .bss            :
1686b7a14ceSPeter Wemm  {
1696b7a14ceSPeter Wemm   *(.dynbss)
170b05deb9bSPeter Wemm   *(.bss .bss.* .gnu.linkonce.b.*)
1716b7a14ceSPeter Wemm   *(COMMON)
172b05deb9bSPeter Wemm   /* Align here to ensure that the .bss section occupies space up to
173b05deb9bSPeter Wemm      _end.  Align after .bss to ensure correct alignment even if the
1748ba66bb8SDimitry Andric      .bss section disappears because there are no input sections.
1758ba66bb8SDimitry Andric      FIXME: Why do we need it? When there is no .bss section, we don't
1768ba66bb8SDimitry Andric      pad the .data section.  */
1778ba66bb8SDimitry Andric   . = ALIGN(. != 0 ? 64 / 8 : 1);
1788ba66bb8SDimitry Andric  }
1798ba66bb8SDimitry Andric  .lbss   :
1808ba66bb8SDimitry Andric  {
1818ba66bb8SDimitry Andric    *(.dynlbss)
1828ba66bb8SDimitry Andric    *(.lbss .lbss.* .gnu.linkonce.lb.*)
1838ba66bb8SDimitry Andric    *(LARGE_COMMON)
1846b7a14ceSPeter Wemm  }
185b05deb9bSPeter Wemm  . = ALIGN(64 / 8);
1868ba66bb8SDimitry Andric  .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
1878ba66bb8SDimitry Andric  {
1888ba66bb8SDimitry Andric    *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
1898ba66bb8SDimitry Andric  }
1908ba66bb8SDimitry Andric  .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
1918ba66bb8SDimitry Andric  {
1928ba66bb8SDimitry Andric    *(.ldata .ldata.* .gnu.linkonce.l.*)
1938ba66bb8SDimitry Andric    . = ALIGN(. != 0 ? 64 / 8 : 1);
1948ba66bb8SDimitry Andric  }
1958ba66bb8SDimitry Andric  . = ALIGN(64 / 8);
1968ba66bb8SDimitry Andric  _end = .; PROVIDE (end = .);
197b05deb9bSPeter Wemm  . = DATA_SEGMENT_END (.);
1986b7a14ceSPeter Wemm  /* Stabs debugging sections.  */
1996b7a14ceSPeter Wemm  .stab          0 : { *(.stab) }
2006b7a14ceSPeter Wemm  .stabstr       0 : { *(.stabstr) }
2016b7a14ceSPeter Wemm  .stab.excl     0 : { *(.stab.excl) }
2026b7a14ceSPeter Wemm  .stab.exclstr  0 : { *(.stab.exclstr) }
2036b7a14ceSPeter Wemm  .stab.index    0 : { *(.stab.index) }
2046b7a14ceSPeter Wemm  .stab.indexstr 0 : { *(.stab.indexstr) }
2056b7a14ceSPeter Wemm  .comment       0 : { *(.comment) }
2066b7a14ceSPeter Wemm  /* DWARF debug sections.
2076b7a14ceSPeter Wemm     Symbols in the DWARF debugging sections are relative to the beginning
2086b7a14ceSPeter Wemm     of the section so we begin them at 0.  */
2096b7a14ceSPeter Wemm  /* DWARF 1 */
2106b7a14ceSPeter Wemm  .debug          0 : { *(.debug) }
2116b7a14ceSPeter Wemm  .line           0 : { *(.line) }
2126b7a14ceSPeter Wemm  /* GNU DWARF 1 extensions */
2136b7a14ceSPeter Wemm  .debug_srcinfo  0 : { *(.debug_srcinfo) }
2146b7a14ceSPeter Wemm  .debug_sfnames  0 : { *(.debug_sfnames) }
2156b7a14ceSPeter Wemm  /* DWARF 1.1 and DWARF 2 */
2166b7a14ceSPeter Wemm  .debug_aranges  0 : { *(.debug_aranges) }
2176b7a14ceSPeter Wemm  .debug_pubnames 0 : { *(.debug_pubnames) }
2186b7a14ceSPeter Wemm  /* DWARF 2 */
219b05deb9bSPeter Wemm  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
2206b7a14ceSPeter Wemm  .debug_abbrev   0 : { *(.debug_abbrev) }
2216b7a14ceSPeter Wemm  .debug_line     0 : { *(.debug_line) }
2226b7a14ceSPeter Wemm  .debug_frame    0 : { *(.debug_frame) }
2236b7a14ceSPeter Wemm  .debug_str      0 : { *(.debug_str) }
2246b7a14ceSPeter Wemm  .debug_loc      0 : { *(.debug_loc) }
2256b7a14ceSPeter Wemm  .debug_macinfo  0 : { *(.debug_macinfo) }
2266b7a14ceSPeter Wemm  /* SGI/MIPS DWARF 2 extensions */
2276b7a14ceSPeter Wemm  .debug_weaknames 0 : { *(.debug_weaknames) }
2286b7a14ceSPeter Wemm  .debug_funcnames 0 : { *(.debug_funcnames) }
2296b7a14ceSPeter Wemm  .debug_typenames 0 : { *(.debug_typenames) }
2306b7a14ceSPeter Wemm  .debug_varnames  0 : { *(.debug_varnames) }
2318ba66bb8SDimitry Andric  /* DWARF 3 */
2328ba66bb8SDimitry Andric  .debug_pubtypes 0 : { *(.debug_pubtypes) }
2338ba66bb8SDimitry Andric  .debug_ranges   0 : { *(.debug_ranges) }
2348ba66bb8SDimitry Andric  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
2358ba66bb8SDimitry Andric  /DISCARD/ : { *(.note.GNU-stack) }
2366b7a14ceSPeter Wemm}
237