aboutsummaryrefslogtreecommitdiff
path: root/include/asm-generic/vmlinux.lds.h
blob: 52e2d69ee535ec664ffe5422e58b9af0281ad1b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
#ifndef LOAD_OFFSET
#define LOAD_OFFSET 0
#endif

#ifndef VMLINUX_SYMBOL
#define VMLINUX_SYMBOL(_sym_) _sym_
#endif

/* Align . to a 8 byte boundary equals to maximum function alignment. */
#define ALIGN_FUNCTION()  . = ALIGN(8)

/* .data section */
#define DATA_DATA							\
	*(.data)

#define RODATA								\
	. = ALIGN(4096);						\
	.rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {		\
		VMLINUX_SYMBOL(__start_rodata) = .;			\
		*(.rodata) *(.rodata.*)					\
		*(__vermagic)		/* Kernel version magic */	\
	}								\
									\
	.rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {		\
		*(.rodata1)						\
	}								\
									\
	/* PCI quirks */						\
	.pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start_pci_fixups_early) = .;		\
		*(.pci_fixup_early)					\
		VMLINUX_SYMBOL(__end_pci_fixups_early) = .;		\
		VMLINUX_SYMBOL(__start_pci_fixups_header) = .;		\
		*(.pci_fixup_header)					\
		VMLINUX_SYMBOL(__end_pci_fixups_header) = .;		\
		VMLINUX_SYMBOL(__start_pci_fixups_final) = .;		\
		*(.pci_fixup_final)					\
		VMLINUX_SYMBOL(__end_pci_fixups_final) = .;		\
		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
		*(.pci_fixup_enable)					\
		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
		VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;		\
		*(.pci_fixup_resume)					\
		VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;		\
	}								\
									\
	/* RapidIO route ops */						\
	.rio_route        : AT(ADDR(.rio_route) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start_rio_route_ops) = .;		\
		*(.rio_route_ops)					\
		VMLINUX_SYMBOL(__end_rio_route_ops) = .;		\
	}								\
									\
	/* Kernel symbol table: Normal symbols */			\
	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
		*(__ksymtab)						\
		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
	}								\
									\
	/* Kernel symbol table: GPL-only symbols */			\
	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
		*(__ksymtab_gpl)					\
		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
	}								\
									\
	/* Kernel symbol table: Normal unused symbols */		\
	__ksymtab_unused  : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start___ksymtab_unused) = .;		\
		*(__ksymtab_unused)					\
		VMLINUX_SYMBOL(__stop___ksymtab_unused) = .;		\
	}								\
									\
	/* Kernel symbol table: GPL-only unused symbols */		\
	__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
		VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .;	\
		*(__ksymtab_unused_gpl)					\
		VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .;	\
	}								\
									\
	/* Kernel symbol table: GPL-future-only symbols */		\
	__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
		VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;	\
		*(__ksymtab_gpl_future)					\
		VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;	\
	}								\
									\
	/* Kernel symbol table: Normal symbols */			\
	__kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {		\
		VMLINUX_SYMBOL(__start___kcrctab) = .;			\
		*(__kcrctab)						\
		VMLINUX_SYMBOL(__stop___kcrctab) = .;			\
	}								\
									\
	/* Kernel symbol table: GPL-only symbols */			\
	__kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;		\
		*(__kcrctab_gpl)					\
		VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;		\
	}								\
									\
	/* Kernel symbol table: Normal unused symbols */		\
	__kcrctab_unused  : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) {	\
		VMLINUX_SYMBOL(__start___kcrctab_unused) = .;		\
		*(__kcrctab_unused)					\
		VMLINUX_SYMBOL(__stop___kcrctab_unused) = .;		\
	}								\
									\
	/* Kernel symbol table: GPL-only unused symbols */		\
	__kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
		VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .;	\
		*(__kcrctab_unused_gpl)					\
		VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .;	\
	}								\
									\
	/* Kernel symbol table: GPL-future-only symbols */		\
	__kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
		VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;	\
		*(__kcrctab_gpl_future)					\
		VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;	\
	}								\
									\
	/* Kernel symbol table: strings */				\
        __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
		*(__ksymtab_strings)					\
	}								\
									\
	/* Built-in module parameters. */				\
	__param : AT(ADDR(__param) - LOAD_OFFSET) {			\
		VMLINUX_SYMBOL(__start___param) = .;			\
		*(__param)						\
		VMLINUX_SYMBOL(__stop___param) = .;			\
		VMLINUX_SYMBOL(__end_rodata) = .;			\
	}								\
									\
	. = ALIGN(4096);

#define SECURITY_INIT							\
	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
		*(.security_initcall.init) 				\
		VMLINUX_SYMBOL(__security_initcall_end) = .;		\
	}

/* .text section. Map to function alignment to avoid address changes
 * during second ld run in second ld pass when generating System.map */
#define TEXT_TEXT							\
		ALIGN_FUNCTION();					\
		*(.text)

/* sched.text is aling to function alignment to secure we have same
 * address even at second ld pass when generating System.map */
#define SCHED_TEXT							\
		ALIGN_FUNCTION();					\
		VMLINUX_SYMBOL(__sched_text_start) = .;			\
		*(.sched.text)						\
		VMLINUX_SYMBOL(__sched_text_end) = .;

/* spinlock.text is aling to function alignment to secure we have same
 * address even at second ld pass when generating System.map */
#define LOCK_TEXT							\
		ALIGN_FUNCTION();					\
		VMLINUX_SYMBOL(__lock_text_start) = .;			\
		*(.spinlock.text)					\
		VMLINUX_SYMBOL(__lock_text_end) = .;

#define KPROBES_TEXT							\
		ALIGN_FUNCTION();					\
		VMLINUX_SYMBOL(__kprobes_text_start) = .;		\
		*(.kprobes.text)					\
		VMLINUX_SYMBOL(__kprobes_text_end) = .;

		/* DWARF debug sections.
		Symbols in the DWARF debugging sections are relative to
		the beginning of the section so we begin them at 0.  */
#define DWARF_DEBUG							\
		/* DWARF 1 */						\
		.debug          0 : { *(.debug) }			\
		.line           0 : { *(.line) }			\
		/* GNU DWARF 1 extensions */				\
		.debug_srcinfo  0 : { *(.debug_srcinfo) }		\
		.debug_sfnames  0 : { *(.debug_sfnames) }		\
		/* DWARF 1.1 and DWARF 2 */				\
		.debug_aranges  0 : { *(.debug_aranges) }		\
		.debug_pubnames 0 : { *(.debug_pubnames) }		\
		/* DWARF 2 */						\
		.debug_info     0 : { *(.debug_info			\
				.gnu.linkonce.wi.*) }			\
		.debug_abbrev   0 : { *(.debug_abbrev) }		\
		.debug_line     0 : { *(.debug_line) }			\
		.debug_frame    0 : { *(.debug_frame) }			\
		.debug_str      0 : { *(.debug_str) }			\
		.debug_loc      0 : { *(.debug_loc) }			\
		.debug_macinfo  0 : { *(.debug_macinfo) }		\
		/* SGI/MIPS DWARF 2 extensions */			\
		.debug_weaknames 0 : { *(.debug_weaknames) }		\
		.debug_funcnames 0 : { *(.debug_funcnames) }		\
		.debug_typenames 0 : { *(.debug_typenames) }		\
		.debug_varnames  0 : { *(.debug_varnames) }		\

		/* Stabs debugging sections.  */
#define STABS_DEBUG							\
		.stab 0 : { *(.stab) }					\
		.stabstr 0 : { *(.stabstr) }				\
		.stab.excl 0 : { *(.stab.excl) }			\
		.stab.exclstr 0 : { *(.stab.exclstr) }			\
		.stab.index 0 : { *(.stab.index) }			\
		.stab.indexstr 0 : { *(.stab.indexstr) }		\
		.comment 0 : { *(.comment) }

#define BUG_TABLE							\
	. = ALIGN(8);							\
	__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {		\
		__start___bug_table = .;				\
		*(__bug_table)						\
		__stop___bug_table = .;					\
	}

#define NOTES								\
	.notes : { *(.note.*) } :note

#define INITCALLS							\
  	*(.initcall0.init)						\
  	*(.initcall0s.init)						\
  	*(.initcall1.init)						\
  	*(.initcall1s.init)						\
  	*(.initcall2.init)						\
  	*(.initcall2s.init)						\
  	*(.initcall3.init)						\
  	*(.initcall3s.init)						\
  	*(.initcall4.init)						\
  	*(.initcall4s.init)						\
  	*(.initcall5.init)						\
  	*(.initcall5s.init)						\
	*(.initcallrootfs.init)						\
  	*(.initcall6.init)						\
  	*(.initcall6s.init)						\
  	*(.initcall7.init)						\
  	*(.initcall7s.init)