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1da177e4
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1/* Kernel link layout for various "sections"
2 *
3 * Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org>
4 * Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org>
5 * Copyright (C) 2000 John Marvin <jsm at parisc-linux.org>
6 * Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
7 * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
8 * Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org>
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9 * Copyright (C) 2006-2013 Helge Deller <deller@gmx.de>
10 */
11
12/*
13 * Put page table entries (swapper_pg_dir) as the first thing in .bss. This
14 * will ensure that it has .bss alignment (PAGE_SIZE).
1da177e4 15 */
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16#define BSS_FIRST_SECTIONS *(.data..vm0.pmd) \
17 *(.data..vm0.pgd) \
18 *(.data..vm0.pte)
19
1da177e4 20#include <asm-generic/vmlinux.lds.h>
161bd3bf 21
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22/* needed for the processor specific cache alignment size */
23#include <asm/cache.h>
24#include <asm/page.h>
2fd83038 25#include <asm/asm-offsets.h>
8cf06fc9 26#include <asm/thread_info.h>
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27
28/* ld script to make hppa Linux kernel */
29#ifndef CONFIG_64BIT
30OUTPUT_FORMAT("elf32-hppa-linux")
31OUTPUT_ARCH(hppa)
32#else
33OUTPUT_FORMAT("elf64-hppa-linux")
34OUTPUT_ARCH(hppa:hppa2.0w)
35#endif
36
161bd3bf 37ENTRY(parisc_kernel_start)
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38#ifndef CONFIG_64BIT
39jiffies = jiffies_64 + 4;
40#else
41jiffies = jiffies_64;
42#endif
43SECTIONS
44{
be1b3d8c 45 . = KERNEL_BINARY_TEXT_START;
1da177e4 46
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47 __init_begin = .;
48 HEAD_TEXT_SECTION
49 INIT_TEXT_SECTION(8)
50
51 . = ALIGN(PAGE_SIZE);
52 INIT_DATA_SECTION(PAGE_SIZE)
53 /* we have to discard exit text and such at runtime, not link time */
54 .exit.text :
55 {
56 EXIT_TEXT
57 }
58 .exit.data :
59 {
60 EXIT_DATA
61 }
62 PERCPU_SECTION(8)
41b85a11 63 . = ALIGN(HUGEPAGE_SIZE);
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64 __init_end = .;
65 /* freed after init ends here */
66
be1b3d8c 67 _text = .; /* Text and read-only data */
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68 _stext = .;
69 .text ALIGN(PAGE_SIZE) : {
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70 TEXT_TEXT
71 SCHED_TEXT
6727ad9e 72 CPUIDLE_TEXT
be1b3d8c 73 LOCK_TEXT
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74 KPROBES_TEXT
75 IRQENTRY_TEXT
be7635e7 76 SOFTIRQENTRY_TEXT
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77 *(.text.do_softirq)
78 *(.text.sys_exit)
79 *(.text.do_sigaltstack)
80 *(.text.do_fork)
81 *(.text.*)
82 *(.fixup)
83 *(.lock.text) /* out-of-line lock text */
84 *(.gnu.warning)
ed5fb247 85 }
161bd3bf 86 . = ALIGN(PAGE_SIZE);
be1b3d8c 87 _etext = .;
161bd3bf 88 /* End of text section */
1da177e4 89
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90 /* Start of data section */
91 _sdata = .;
92
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93 /* Architecturally we need to keep __gp below 0x1000000 and thus
94 * in front of RO_DATA_SECTION() which stores lots of tracepoint
95 * and ftrace symbols. */
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96#ifdef CONFIG_64BIT
97 . = ALIGN(16);
98 /* Linkage tables */
99 .opd : {
100 *(.opd)
101 } PROVIDE (__gp = .);
102 .plt : {
103 *(.plt)
104 }
105 .dlt : {
106 *(.dlt)
107 }
108#endif
81b4b98a 109
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110 RO_DATA_SECTION(8)
111
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112 /* RO because of BUILDTIME_EXTABLE_SORT */
113 EXCEPTION_TABLE(8)
114 NOTES
115
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116 /* unwind info */
117 .PARISC.unwind : {
118 __start___unwind = .;
119 *(.PARISC.unwind)
120 __stop___unwind = .;
121 }
2fd83038 122
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123 /* writeable */
124 /* Make sure this is page aligned so
125 * that we can properly leave these
126 * as writable
127 */
41b85a11 128 . = ALIGN(HUGEPAGE_SIZE);
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129 data_start = .;
130
be1b3d8c 131 /* Data */
9372450c 132 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE)
1da177e4 133
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134 /* PA-RISC locks requires 16-byte alignment */
135 . = ALIGN(16);
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136 .data..lock_aligned : {
137 *(.data..lock_aligned)
be1b3d8c 138 }
1da177e4 139
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140 /* End of data section */
141 _edata = .;
1da177e4 142
be1b3d8c 143 /* BSS */
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144 BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE)
145
41b85a11 146 . = ALIGN(HUGEPAGE_SIZE);
be1b3d8c 147 _end = . ;
5fb7dc37 148
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149 STABS_DEBUG
150 .note 0 : { *(.note) }
151
be1b3d8c 152 /* Sections to be discarded */
023bf6f1 153 DISCARDS
be1b3d8c 154 /DISCARD/ : {
1da177e4 155#ifdef CONFIG_64BIT
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156 /* temporary hack until binutils is fixed to not emit these
157 * for static binaries
158 */
159 *(.interp)
160 *(.dynsym)
161 *(.dynstr)
162 *(.dynamic)
163 *(.hash)
164 *(.gnu.hash)
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165#endif
166 }
1da177e4 167}