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1/* -----------------------------------------------------------------------
2 *
3 *   Copyright 2009 Intel Corporation; author: H. Peter Anvin
4 *
5 *   This program is free software; you can redistribute it and/or modify
6 *   it under the terms of the GNU General Public License as published by
7 *   the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
8 *   Boston MA 02110-1301, USA; either version 2 of the License, or
9 *   (at your option) any later version; incorporated herein by reference.
10 *
11 * ----------------------------------------------------------------------- */
12
13/*
14 * Linker script for MEMDISK
15 */
16
17/* Script for -z combreloc: combine and sort reloc sections */
18OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
19OUTPUT_ARCH(i386:x86-64)
20EXTERN(_start)
21ENTRY(_start)
22SECTIONS
23{
24  /* Read-only sections, merged into text segment: */
25  . = 0x100000;
26  PROVIDE (__executable_start = .);
27
28  .init           :
29  {
30    KEEP (*(.init))
31  } =0x90909090
32  .text           :
33  {
34    *(.text .stub .text.* .gnu.linkonce.t.*)
35    /* .gnu.warning sections are handled specially by elf32.em.  */
36    *(.gnu.warning)
37  } =0x90909090
38  .fini           :
39  {
40    KEEP (*(.fini))
41  } =0x90909090
42  PROVIDE (__etext = .);
43  PROVIDE (_etext = .);
44  PROVIDE (etext = .);
45  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
46  .rodata1        : { *(.rodata1) }
47
48  /* Ensure the __preinit_array_start label is properly aligned.  We
49     could instead move the label definition inside the section, but
50     the linker would then create the section even if it turns out to
51     be empty, which isn't pretty.  */
52  . = ALIGN(4);
53  PROVIDE (__preinit_array_start = .);
54  .preinit_array     : { *(.preinit_array) }
55  PROVIDE (__preinit_array_end = .);
56  PROVIDE (__init_array_start = .);
57  .init_array     : { *(.init_array) }
58  PROVIDE (__init_array_end = .);
59  PROVIDE (__fini_array_start = .);
60  .fini_array     : { *(.fini_array) }
61  PROVIDE (__fini_array_end = .);
62  PROVIDE (__ctors_start = .);
63  .ctors          :
64  {
65    KEEP (*(SORT(.ctors.*)))
66    KEEP (*(.ctors))
67  }
68  PROVIDE (__ctors_end = .);
69  PROVIDE (__dtors_start = .);
70  .dtors          :
71  {
72    KEEP (*(SORT(.dtors.*)))
73    KEEP (*(.dtors))
74  }
75  PROVIDE (__dtors_end = .);
76
77  /* Adjust the address for the data segment.  Avoid mixing code and
78     data within same 128-byte chunk. */
79  . = ALIGN(128);
80
81  .data           :
82  {
83    *(.data .data.* .gnu.linkonce.d.*)
84    SORT(CONSTRUCTORS)
85  }
86  .data1          : { *(.data1) }
87  _edata = .;
88  PROVIDE (edata = .);
89  . = ALIGN(16);
90  .bss            :
91  {
92   __bss_start = .;
93   *(.dynbss)
94   *(.bss .bss.* .gnu.linkonce.b.*)
95   *(COMMON)
96   /* Align here to ensure that the .bss section occupies space up to
97      _end.  Align after .bss to ensure correct alignment even if the
98      .bss section disappears because there are no input sections.  */
99   . = ALIGN(4);
100   __bss_end = .;
101  }
102  _end = .;
103  PROVIDE (end = .);
104
105
106  /* Stabs debugging sections.  */
107  .stab          0 : { *(.stab) }
108  .stabstr       0 : { *(.stabstr) }
109  .stab.excl     0 : { *(.stab.excl) }
110  .stab.exclstr  0 : { *(.stab.exclstr) }
111  .stab.index    0 : { *(.stab.index) }
112  .stab.indexstr 0 : { *(.stab.indexstr) }
113  .comment       0 : { *(.comment) }
114  /* DWARF debug sections.
115     Symbols in the DWARF debugging sections are relative to the beginning
116     of the section so we begin them at 0.  */
117  /* DWARF 1 */
118  .debug          0 : { *(.debug) }
119  .line           0 : { *(.line) }
120  /* GNU DWARF 1 extensions */
121  .debug_srcinfo  0 : { *(.debug_srcinfo) }
122  .debug_sfnames  0 : { *(.debug_sfnames) }
123  /* DWARF 1.1 and DWARF 2 */
124  .debug_aranges  0 : { *(.debug_aranges) }
125  .debug_pubnames 0 : { *(.debug_pubnames) }
126  /* DWARF 2 */
127  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
128  .debug_abbrev   0 : { *(.debug_abbrev) }
129  .debug_line     0 : { *(.debug_line) }
130  .debug_frame    0 : { *(.debug_frame) }
131  .debug_str      0 : { *(.debug_str) }
132  .debug_loc      0 : { *(.debug_loc) }
133  .debug_macinfo  0 : { *(.debug_macinfo) }
134  /* SGI/MIPS DWARF 2 extensions */
135  .debug_weaknames 0 : { *(.debug_weaknames) }
136  .debug_funcnames 0 : { *(.debug_funcnames) }
137  .debug_typenames 0 : { *(.debug_typenames) }
138  .debug_varnames  0 : { *(.debug_varnames) }
139  /DISCARD/ : { *(.note.GNU-stack) }
140}
141