aboutsummaryrefslogtreecommitdiffstats
path: root/arch/parisc/kernel/vmlinux.lds.S
blob: 2e516b871752d818a09622c0f14104aed429254c (plain) (blame)
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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
/*    Kernel link layout for various "sections"
 *
 *    Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org>
 *    Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org>
 *    Copyright (C) 2000 John Marvin <jsm at parisc-linux.org>
 *    Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
 *    Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
 *    Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org>
 *    Copyright (C) 2006 Helge Deller <deller@gmx.de>
 *
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <asm-generic/vmlinux.lds.h>
/* needed for the processor specific cache alignment size */	
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/asm-offsets.h>
	
/* ld script to make hppa Linux kernel */
#ifndef CONFIG_64BIT
OUTPUT_FORMAT("elf32-hppa-linux")
OUTPUT_ARCH(hppa)
#else
OUTPUT_FORMAT("elf64-hppa-linux")
OUTPUT_ARCH(hppa:hppa2.0w)
#endif

ENTRY(_stext)
#ifndef CONFIG_64BIT
jiffies = jiffies_64 + 4;
#else
jiffies = jiffies_64;
#endif
SECTIONS
{
	. = KERNEL_BINARY_TEXT_START;

	_text = .;		/* Text and read-only data */
	.text ALIGN(16) : {
		HEAD_TEXT
		TEXT_TEXT
		SCHED_TEXT
		LOCK_TEXT
		*(.text.do_softirq)
		*(.text.sys_exit)
		*(.text.do_sigaltstack)
		*(.text.do_fork)
		*(.text.*)
		*(.fixup)
		*(.lock.text)		/* out-of-line lock text */
		*(.gnu.warning)
	} = 0
	/* End of text section */
	_etext = .;

	RODATA
	BUG_TABLE

	/* writeable */
	/* Make sure this is page aligned so
	 * that we can properly leave these
	 * as writable
	 */
	. = ALIGN(PAGE_SIZE);
	data_start = .;
	. = ALIGN(16);
	/* Exception table */
	__ex_table : {
		__start___ex_table = .;
		*(__ex_table)
		__stop___ex_table = .;
	}

	NOTES

	/* unwind info */
	.PARISC.unwind : {
		__start___unwind = .;
		*(.PARISC.unwind)
		__stop___unwind = .;
	}

	/* rarely changed data like cpu maps */
	. = ALIGN(16);
	.data.read_mostly : {
		*(.data.read_mostly)
	}

	. = ALIGN(L1_CACHE_BYTES);
	/* Data */
	.data : {
		DATA_DATA
		CONSTRUCTORS
	}

	. = ALIGN(L1_CACHE_BYTES);
	.data.cacheline_aligned : {
		*(.data.cacheline_aligned)
	}

	/* PA-RISC locks requires 16-byte alignment */
	. = ALIGN(16);
	.data.lock_aligned : {
		*(.data.lock_aligned)
	}

	/* nosave data is really only used for software suspend...it's here
	 * just in case we ever implement it
	 */
	. = ALIGN(PAGE_SIZE);
	__nosave_begin = .;
	.data_nosave : {
		*(.data.nosave)
	}
	. = ALIGN(PAGE_SIZE);
	__nosave_end = .;

	/* End of data section */
	_edata = .;

	/* BSS */
	__bss_start = .;
	/* page table entries need to be PAGE_SIZE aligned */
	. = ALIGN(PAGE_SIZE);
	.data.vmpages : {
		*(.data.vm0.pmd)
		*(.data.vm0.pgd)
		*(.data.vm0.pte)
	}
	.bss : {
		*(.bss)
		*(COMMON)
	}
	__bss_stop = .;


	/* assembler code expects init_task to be 16k aligned */
	. = ALIGN(16384);
	/* init_task */
	.data.init_task : {
		*(.data.init_task)
	}

#ifdef CONFIG_64BIT
	. = ALIGN(16);
	/* Linkage tables */
	.opd : {
		*(.opd)
	} PROVIDE (__gp = .); 
	.plt : {
		*(.plt)
	} 
	.dlt : {
		*(.dlt)
	}
#endif

	/* reserve space for interrupt stack by aligning __init* to 16k */
	. = ALIGN(16384);
	__init_begin = .;
	.init.text : { 
		_sinittext = .;
		INIT_TEXT
		_einittext = .;
	}
	.init.data : {
		INIT_DATA
	}
	. = ALIGN(16);
	.init.setup : {
		__setup_start = .;
		*(.init.setup)
		__setup_end = .;
	}
	.initcall.init : {
		__initcall_start = .;
		INITCALLS
		__initcall_end = .;
	}
	.con_initcall.init : {
		__con_initcall_start = .;
		*(.con_initcall.init)
		__con_initcall_end = .;
	}
	SECURITY_INIT

	/* alternate instruction replacement.  This is a mechanism x86 uses
	 * to detect the CPU type and replace generic instruction sequences
	 * with CPU specific ones.  We don't currently do this in PA, but
	 * it seems like a good idea...
	 */
	. = ALIGN(4);
	.altinstructions : {
		__alt_instructions = .;
		*(.altinstructions)
		__alt_instructions_end = .; 
	} 
	.altinstr_replacement : {
		*(.altinstr_replacement)
	} 

	/* .exit.text is discard at runtime, not link time, to deal with references
	 *  from .altinstructions and .eh_frame
	 */
	.exit.text : {
		EXIT_TEXT
	}
	.exit.data : {
		EXIT_DATA
	}
#ifdef CONFIG_BLK_DEV_INITRD
	. = ALIGN(PAGE_SIZE);
	.init.ramfs : {
		__initramfs_start = .;
		*(.init.ramfs)
		__initramfs_end = .;
	}
#endif

	PERCPU(PAGE_SIZE)
	. = ALIGN(PAGE_SIZE);
	__init_end = .;
	/* freed after init ends here */
	_end = . ;

	/* Sections to be discarded */
	/DISCARD/ : {
		*(.exitcall.exit)
#ifdef CONFIG_64BIT
		/* temporary hack until binutils is fixed to not emit these
	 	 * for static binaries
		 */
		*(.interp)
		*(.dynsym)
		*(.dynstr)
		*(.dynamic)
		*(.hash)
		*(.gnu.hash)
#endif
	}

	STABS_DEBUG
	.note 0 : { *(.note) }	
}