kern.ldscript revision 1.2
1/* Default linker script, for normal executables */
2OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64",
3	      "elf64-littleaarch64")
4OUTPUT_ARCH(aarch64)
5ENTRY(_start)
6SECTIONS
7{
8  /* Read-only sections, merged into text segment: */
9  PROVIDE (__kernel_text = .;
10  .text           :
11  {
12    PROVIDE_HIDDEN (__eprol = .);
13    *(.text)
14    *(.text.unlikely .text.*_unlikely)
15    *(.text.exit .text.exit.*)
16    *(.text.startup .text.startup.*)
17    *(.text.hot .text.hot.*)
18    *(.stub .text.* .gnu.linkonce.t.*)
19    /* .gnu.warning sections are handled specially by elf32.em.  */
20    . = ALIGN(0x800)
21    *(.vectors)
22  } =0
23  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
24  .rodata1        : { *(.rodata1) }
25  .eh_frame_hdr : { *(.eh_frame_hdr) }
26  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
27  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
28  .gcc_except_table.*) }
29  /* These sections are generated by the Sun/Oracle C++ compiler.  */
30  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
31  .exception_ranges*) }
32  PROVIDE (__etext = .);
33  PROVIDE (_etext = .);
34  PROVIDE (etext = .);
35  /* Adjust the address for the data segment.  We want to adjust up to
36     the same address within the page on the next page up.  */
37  . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
38  /* Exception handling  */
39  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
40  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
41  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
42  .got            : { *(.got) *(.igot) }
43  . = DATA_SEGMENT_RELRO_END (24, .);
44  .got.plt        : { *(.got.plt)  *(.igot.plt) }
45  .data           :
46  {
47    PROVIDE (__data_start = .);
48    *(.data .data.* .gnu.linkonce.d.*)
49    SORT(CONSTRUCTORS)
50  }
51  .data1          : { *(.data1) }
52  _edata = .; PROVIDE (edata = .);
53  . = .;
54  __bss_start = .;
55  __bss_start__ = .;
56  .bss            :
57  {
58    *(.dynbss)
59    *(.bss .bss.* .gnu.linkonce.b.*)
60    *(COMMON)
61    /* Align here to ensure that the .bss section occupies space up to
62       _end.  Align after .bss to ensure correct alignment even if the
63       .bss section disappears because there are no input sections.
64       FIXME: Why do we need it? When there is no .bss section, we don't
65       pad the .data section.  */
66    . = ALIGN(. != 0 ? 32 / 8 : 1);
67  }
68  _bss_end__ = . ; __bss_end__ = . ;
69  . = ALIGN(32 / 8);
70  . = ALIGN(32 / 8);
71  __end__ = . ;
72  _end = .; PROVIDE (end = .);
73  . = DATA_SEGMENT_END (.);
74  .comment       0 : { *(.comment) }
75  .ident         0 : { *(.ident) }
76  /* DWARF debug sections.
77     Symbols in the DWARF debugging sections are relative to the beginning
78     of the section so we begin them at 0.  */
79  /* DWARF 1 */
80  .debug          0 : { *(.debug) }
81  .line           0 : { *(.line) }
82  /* GNU DWARF 1 extensions */
83  .debug_srcinfo  0 : { *(.debug_srcinfo) }
84  .debug_sfnames  0 : { *(.debug_sfnames) }
85  /* DWARF 1.1 and DWARF 2 */
86  .debug_aranges  0 : { *(.debug_aranges) }
87  .debug_pubnames 0 : { *(.debug_pubnames) }
88  /* DWARF 2 */
89  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
90  .debug_abbrev   0 : { *(.debug_abbrev) }
91  .debug_line     0 : { *(.debug_line) }
92  .debug_frame    0 : { *(.debug_frame) }
93  .debug_str      0 : { *(.debug_str) }
94  .debug_loc      0 : { *(.debug_loc) }
95  .debug_macinfo  0 : { *(.debug_macinfo) }
96  /* SGI/MIPS DWARF 2 extensions */
97  .debug_weaknames 0 : { *(.debug_weaknames) }
98  .debug_funcnames 0 : { *(.debug_funcnames) }
99  .debug_typenames 0 : { *(.debug_typenames) }
100  .debug_varnames  0 : { *(.debug_varnames) }
101  /* DWARF 3 */
102  .debug_pubtypes 0 : { *(.debug_pubtypes) }
103  .debug_ranges   0 : { *(.debug_ranges) }
104  /* DWARF Extension.  */
105  .debug_macro    0 : { *(.debug_macro) }
106  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
107  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
108  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
109}
110