xref: /freebsd/sys/conf/ldscript.amd64 (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1/* $FreeBSD$ */
2OUTPUT_FORMAT("elf64-x86-64-freebsd", "elf64-x86-64-freebsd", "elf64-x86-64-freebsd")
3OUTPUT_ARCH(i386:x86-64)
4ENTRY(btext)
5SEARCH_DIR("/usr/lib");
6SECTIONS
7{
8  kernphys = kernload;
9  /* Read-only sections, merged into text segment: */
10  . = kernbase + kernphys + SIZEOF_HEADERS;
11  /*
12   * Use the AT keyword in order to set the right LMA that contains
13   * the physical address where the section should be loaded. This is
14   * needed for the Xen loader which honours the LMA.
15   */
16  .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
17  .hash           : { *(.hash) }
18  .gnu.hash       : { *(.gnu.hash) }
19  .dynsym         : { *(.dynsym) }
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24  .rel.init       : { *(.rel.init) }
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26  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
27  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
28  .rel.fini       : { *(.rel.fini) }
29  .rela.fini      : { *(.rela.fini) }
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33  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
34  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
35  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
36  .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
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62  .fini           :
63  {
64    KEEP (*(.fini))
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66  PROVIDE (__etext = .);
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74    PROVIDE (__build_id_end = .);
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77  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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79  /* Adjust the address for the data segment.  We want to adjust up to
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82  PROVIDE (brwsection = .);
83  /* Exception handling  */
84  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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86  /* Thread Local Storage sections  */
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88  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
89  .preinit_array     :
90  {
91    PROVIDE_HIDDEN (__preinit_array_start = .);
92    KEEP (*(.preinit_array))
93    PROVIDE_HIDDEN (__preinit_array_end = .);
94  }
95  .init_array     :
96  {
97     PROVIDE_HIDDEN (__init_array_start = .);
98     KEEP (*(SORT(.init_array.*)))
99     KEEP (*(.init_array))
100     PROVIDE_HIDDEN (__init_array_end = .);
101  }
102  .fini_array     :
103  {
104    PROVIDE_HIDDEN (__fini_array_start = .);
105    KEEP (*(.fini_array))
106    KEEP (*(SORT(.fini_array.*)))
107    PROVIDE_HIDDEN (__fini_array_end = .);
108  }
109  _start_ctors = .;
110  PROVIDE (start_ctors = .);
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112  {
113    /* gcc uses crtbegin.o to find the start of
114       the constructors, so we make sure it is
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120       doesn't matter which directory crtbegin.o
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122    KEEP (*crtbegin.o(.ctors))
123    KEEP (*crtbegin?.o(.ctors))
124    /* We don't want to include the .ctor section from
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126       The .ctor section from the crtend file contains the
127       end of ctors marker and it must be last */
128    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
129    KEEP (*(SORT(.ctors.*)))
130    KEEP (*(.ctors))
131  }
132  _stop_ctors = .;
133  PROVIDE (stop_ctors = .);
134  .dtors          :
135  {
136    KEEP (*crtbegin.o(.dtors))
137    KEEP (*crtbegin?.o(.dtors))
138    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
139    KEEP (*(SORT(.dtors.*)))
140    KEEP (*(.dtors))
141  }
142  .jcr            : { KEEP (*(.jcr)) }
143  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
144  .dynamic        : { *(.dynamic) }
145  .got            : { *(.got) }
146  . = DATA_SEGMENT_RELRO_END (24, .);
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166    KEEP (*(.gnu.linkonce.d.*personality*))
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171  .bss            :
172  {
173   *(.dynbss)
174   *(.bss .bss.* .gnu.linkonce.b.*)
175   *(COMMON)
176   /* Ensure that the .bss section ends at a superpage boundary.
177      This way it can be mapped using non-executable large pages. */
178   . = ALIGN(0x200000);
179  }
180  _end = .; PROVIDE (end = .);
181  . = DATA_SEGMENT_END (.);
182  /* Stabs debugging sections.  */
183  .stab          0 : { *(.stab) }
184  .stabstr       0 : { *(.stabstr) }
185  .stab.excl     0 : { *(.stab.excl) }
186  .stab.exclstr  0 : { *(.stab.exclstr) }
187  .stab.index    0 : { *(.stab.index) }
188  .stab.indexstr 0 : { *(.stab.indexstr) }
189  .comment       0 : { *(.comment) }
190  /* DWARF debug sections.
191     Symbols in the DWARF debugging sections are relative to the beginning
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207  .debug_str      0 : { *(.debug_str) }
208  .debug_loc      0 : { *(.debug_loc) }
209  .debug_macinfo  0 : { *(.debug_macinfo) }
210  /* SGI/MIPS DWARF 2 extensions */
211  .debug_weaknames 0 : { *(.debug_weaknames) }
212  .debug_funcnames 0 : { *(.debug_funcnames) }
213  .debug_typenames 0 : { *(.debug_typenames) }
214  .debug_varnames  0 : { *(.debug_varnames) }
215  /* DWARF 3 */
216  .debug_pubtypes 0 : { *(.debug_pubtypes) }
217  .debug_ranges   0 : { *(.debug_ranges) }
218  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
219  /DISCARD/ : { *(.note.GNU-stack) }
220}
221