xref: /freebsd/sys/conf/ldscript.amd64 (revision ea906c4152774dff300bb26fbfc1e4188351c89a)
1/* $FreeBSD$ */
2OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
3OUTPUT_ARCH(i386:x86-64)
4ENTRY(btext)
5SEARCH_DIR("/usr/lib");
6SECTIONS
7{
8  /* Read-only sections, merged into text segment: */
9  . = kernbase + 0x00100000 + SIZEOF_HEADERS;
10  .interp         : { *(.interp) }
11  .hash           : { *(.hash) }
12  .dynsym         : { *(.dynsym) }
13  .dynstr         : { *(.dynstr) }
14  .gnu.version    : { *(.gnu.version) }
15  .gnu.version_d  : { *(.gnu.version_d) }
16  .gnu.version_r  : { *(.gnu.version_r) }
17  .rel.init       : { *(.rel.init) }
18  .rela.init      : { *(.rela.init) }
19  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
20  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
21  .rel.fini       : { *(.rel.fini) }
22  .rela.fini      : { *(.rela.fini) }
23  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
24  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
25  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
26  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
27  .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
28  .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
29  .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
30  .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
31  .rel.ctors      : { *(.rel.ctors) }
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33  .rel.dtors      : { *(.rel.dtors) }
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35  .rel.got        : { *(.rel.got) }
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41  .init           :
42  {
43    KEEP (*(.init))
44  } =0x90909090
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54    KEEP (*(.fini))
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56  PROVIDE (__etext = .);
57  PROVIDE (_etext = .);
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63     the same address within the page on the next page up.  */
64  . = DATA_SEGMENT_ALIGN(0x100000, 0x1000);
65  /* Ensure the __preinit_array_start label is properly aligned.  We
66     could instead move the label definition inside the section, but
67     the linker would then create the section even if it turns out to
68     be empty, which isn't pretty.  */
69  . = ALIGN(64 / 8);
70  PROVIDE (__preinit_array_start = .);
71  .preinit_array     : { *(.preinit_array) }
72  PROVIDE (__preinit_array_end = .);
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78  PROVIDE (__fini_array_end = .);
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80  {
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82    SORT(CONSTRUCTORS)
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87  .eh_frame       : { KEEP (*(.eh_frame)) }
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89  .dynamic        : { *(.dynamic) }
90  _start_ctors = .;
91  PROVIDE (start_ctors = .);
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93  {
94    /* gcc uses crtbegin.o to find the start of
95       the constructors, so we make sure it is
96       first.  Because this is a wildcard, it
97       doesn't matter if the user does not
98       actually link against crtbegin.o; the
99       linker won't look for a file to match a
100       wildcard.  The wildcard also means that it
101       doesn't matter which directory crtbegin.o
102       is in.  */
103    KEEP (*crtbegin.o(.ctors))
104    /* We don't want to include the .ctor section from
105       from the crtend.o file until after the sorted ctors.
106       The .ctor section from the crtend file contains the
107       end of ctors marker and it must be last */
108    KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
109    KEEP (*(SORT(.ctors.*)))
110    KEEP (*(.ctors))
111  }
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113  PROVIDE (stop_ctors = .);
114  .dtors          :
115  {
116    KEEP (*crtbegin.o(.dtors))
117    KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
118    KEEP (*(SORT(.dtors.*)))
119    KEEP (*(.dtors))
120  }
121  .jcr            : { KEEP (*(.jcr)) }
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124  PROVIDE (edata = .);
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132      _end.  Align after .bss to ensure correct alignment even if the
133      .bss section disappears because there are no input sections.  */
134   . = ALIGN(64 / 8);
135  }
136  . = ALIGN(64 / 8);
137  _end = .;
138  PROVIDE (end = .);
139  . = DATA_SEGMENT_END (.);
140  /* Stabs debugging sections.  */
141  .stab          0 : { *(.stab) }
142  .stabstr       0 : { *(.stabstr) }
143  .stab.excl     0 : { *(.stab.excl) }
144  .stab.exclstr  0 : { *(.stab.exclstr) }
145  .stab.index    0 : { *(.stab.index) }
146  .stab.indexstr 0 : { *(.stab.indexstr) }
147  .comment       0 : { *(.comment) }
148  /* DWARF debug sections.
149     Symbols in the DWARF debugging sections are relative to the beginning
150     of the section so we begin them at 0.  */
151  /* DWARF 1 */
152  .debug          0 : { *(.debug) }
153  .line           0 : { *(.line) }
154  /* GNU DWARF 1 extensions */
155  .debug_srcinfo  0 : { *(.debug_srcinfo) }
156  .debug_sfnames  0 : { *(.debug_sfnames) }
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159  .debug_pubnames 0 : { *(.debug_pubnames) }
160  /* DWARF 2 */
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163  .debug_line     0 : { *(.debug_line) }
164  .debug_frame    0 : { *(.debug_frame) }
165  .debug_str      0 : { *(.debug_str) }
166  .debug_loc      0 : { *(.debug_loc) }
167  .debug_macinfo  0 : { *(.debug_macinfo) }
168  /* SGI/MIPS DWARF 2 extensions */
169  .debug_weaknames 0 : { *(.debug_weaknames) }
170  .debug_funcnames 0 : { *(.debug_funcnames) }
171  .debug_typenames 0 : { *(.debug_typenames) }
172  .debug_varnames  0 : { *(.debug_varnames) }
173}
174