kern.ldscript revision 1.7 
1#include "assym.h"
2
3/* Default linker script, for normal executables */
4OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64",
5	      "elf64-littleaarch64")
6OUTPUT_ARCH(aarch64)
7ENTRY(_start)
8SECTIONS
9{
10  /* Read-only sections, merged into text segment: */
11  .text           :
12  {
13    PROVIDE (__kernel_text = .);
14    PROVIDE_HIDDEN (__eprol = .);
15    *(.text)
16    *(.text.unlikely .text.*_unlikely)
17    *(.text.exit .text.exit.*)
18    *(.text.startup .text.startup.*)
19    *(.text.hot .text.hot.*)
20    *(.stub .text.* .gnu.linkonce.t.*)
21    /* .gnu.warning sections are handled specially by elf32.em.  */
22  } =0
23  /* Move .rodata to the next L2 block to set unexecutable */
24  . = ALIGN (L2_SIZE);
25  PROVIDE (__rodata_start = .);
26  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
27  .rodata1        : { *(.rodata1) }
28  .eh_frame_hdr : { *(.eh_frame_hdr) }
29  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
30  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table
31  .gcc_except_table.*) }
32  /* These sections are generated by the Sun/Oracle C++ compiler.  */
33  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges
34  .exception_ranges*) }
35  PROVIDE (__etext = .);
36  PROVIDE (_etext = .);
37  PROVIDE (etext = .);
38  /* Adjust the address for the data segment. Move .data to the next L2 block,
39     and .text and .rodata will be set readonly if needed. */
40  PROVIDE (_erodata = .);
41  . = ALIGN (L2_SIZE);
42  . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
43  /* Exception handling  */
44  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
45  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
46  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
47  .got            : { *(.got) *(.igot) }
48  . = DATA_SEGMENT_RELRO_END (24, .);
49  .got.plt        : { *(.got.plt)  *(.igot.plt) }
50  .data           :
51  {
52    PROVIDE (__data_start = .);
53    *(.data .gnu.linkonce.d.*)
54    SORT(CONSTRUCTORS)
55  }
56  .data1          : { *(.data1) }
57
58  . = ALIGN(64);	/* COHERENCY_UNIT */
59  .data.cacheline_aligned :
60  {
61    *(.data.cacheline_aligned)
62  }
63  . = ALIGN(64);	/* COHERENCY_UNIT */
64  .data.read_mostly :
65  {
66    *(.data.read_mostly)
67  }
68  . = ALIGN(64);	/* COHERENCY_UNIT */
69
70  _edata = .; PROVIDE (edata = .);
71  . = .;
72  __bss_start = .;
73  __bss_start__ = .;
74  .bss            :
75  {
76    *(.dynbss)
77    *(.bss .bss.* .gnu.linkonce.b.*)
78    *(COMMON)
79    /* Align here to ensure that the .bss section occupies space up to
80       _end.  Align after .bss to ensure correct alignment even if the
81       .bss section disappears because there are no input sections.
82       FIXME: Why do we need it? When there is no .bss section, we don't
83       pad the .data section.  */
84    . = ALIGN(. != 0 ? 32 / 8 : 1);
85  }
86  _bss_end__ = . ; __bss_end__ = . ;
87  . = ALIGN(32 / 8);
88  . = ALIGN(32 / 8);
89  __end__ = . ;
90  _end = .; PROVIDE (end = .);
91  . = DATA_SEGMENT_END (.);
92  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
93  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
94}
95