kern.ldscript revision 1.10 
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)
8
9SECTIONS
10{
11	.text :
12	{
13		PROVIDE(__kernel_text = .);
14		*(.text)
15		*(.text.*)
16		*(.stub)
17	} =0
18
19	/* Move .rodata to the next L2 block to set unexecutable */
20	. = ALIGN(L2_SIZE);
21
22	PROVIDE(__rodata_start = .);
23	.rodata :
24	{
25		*(.rodata)
26		*(.rodata.*)
27	}
28
29	PROVIDE(_etext = .);
30	PROVIDE(etext = .);
31
32	/*
33	 * Adjust the address for the data segment. Move .data to the next
34	 * L2 block, and .text and .rodata will be set readonly if needed.
35	 */
36	PROVIDE(_erodata = .);
37	. = ALIGN(L2_SIZE);
38
39	.data :
40	{
41		PROVIDE(__data_start = .);
42		*(.data)
43	}
44
45	. = ALIGN(COHERENCY_UNIT);
46	.data.cacheline_aligned :
47	{
48		*(.data.cacheline_aligned)
49	}
50	. = ALIGN(COHERENCY_UNIT);
51	.data.read_mostly :
52	{
53		*(.data.read_mostly)
54	}
55	. = ALIGN(COHERENCY_UNIT);
56
57	_edata = .;
58	PROVIDE (edata = .);
59
60	__bss_start = .;
61	__bss_start__ = .;
62	.bss :
63	{
64		*(.bss)
65		*(.bss.*)
66		*(COMMON)
67
68		/*
69		 * Align here to ensure that the .bss section occupies space
70		 * up to _end. Align after .bss to ensure correct alignment
71		 * even if the .bss section disappears because there are no
72		 * input sections.
73		 *
74		 * FIXME: Why do we need it? When there is no .bss section,
75		 * we don't pad the .data section.
76		 */
77		. = ALIGN(. != 0 ? 32 / 8 : 1);
78	}
79	_bss_end__ = . ;
80	__bss_end__ = . ;
81	. = ALIGN(32 / 8);
82
83	__end__ = . ;
84	_end = .;
85	PROVIDE(end = .);
86}
87