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Commit | Line | Data |
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1da177e4 LT |
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> | |
2fd83038 | 9 | * Copyright (C) 2006 Helge Deller <deller@gmx.de> |
1da177e4 LT |
10 | * |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | */ | |
1da177e4 LT |
26 | #include <asm-generic/vmlinux.lds.h> |
27 | /* needed for the processor specific cache alignment size */ | |
28 | #include <asm/cache.h> | |
29 | #include <asm/page.h> | |
2fd83038 | 30 | #include <asm/asm-offsets.h> |
1da177e4 LT |
31 | |
32 | /* ld script to make hppa Linux kernel */ | |
33 | #ifndef CONFIG_64BIT | |
34 | OUTPUT_FORMAT("elf32-hppa-linux") | |
35 | OUTPUT_ARCH(hppa) | |
36 | #else | |
37 | OUTPUT_FORMAT("elf64-hppa-linux") | |
38 | OUTPUT_ARCH(hppa:hppa2.0w) | |
39 | #endif | |
40 | ||
41 | ENTRY(_stext) | |
42 | #ifndef CONFIG_64BIT | |
43 | jiffies = jiffies_64 + 4; | |
44 | #else | |
45 | jiffies = jiffies_64; | |
46 | #endif | |
47 | SECTIONS | |
48 | { | |
be1b3d8c | 49 | . = KERNEL_BINARY_TEXT_START; |
1da177e4 | 50 | |
be1b3d8c SR |
51 | _text = .; /* Text and read-only data */ |
52 | .text ALIGN(16) : { | |
1138a72c | 53 | HEAD_TEXT |
be1b3d8c SR |
54 | TEXT_TEXT |
55 | SCHED_TEXT | |
56 | LOCK_TEXT | |
d75f054a HD |
57 | KPROBES_TEXT |
58 | IRQENTRY_TEXT | |
be1b3d8c SR |
59 | *(.text.do_softirq) |
60 | *(.text.sys_exit) | |
61 | *(.text.do_sigaltstack) | |
62 | *(.text.do_fork) | |
63 | *(.text.*) | |
64 | *(.fixup) | |
65 | *(.lock.text) /* out-of-line lock text */ | |
66 | *(.gnu.warning) | |
1da177e4 | 67 | } = 0 |
be1b3d8c SR |
68 | /* End of text section */ |
69 | _etext = .; | |
1da177e4 | 70 | |
be1b3d8c | 71 | RODATA |
1da177e4 | 72 | |
be1b3d8c SR |
73 | /* writeable */ |
74 | /* Make sure this is page aligned so | |
75 | * that we can properly leave these | |
76 | * as writable | |
77 | */ | |
1c593571 | 78 | . = ALIGN(PAGE_SIZE); |
be1b3d8c SR |
79 | data_start = .; |
80 | . = ALIGN(16); | |
81 | /* Exception table */ | |
82 | __ex_table : { | |
83 | __start___ex_table = .; | |
84 | *(__ex_table) | |
85 | __stop___ex_table = .; | |
86 | } | |
1da177e4 | 87 | |
be1b3d8c | 88 | NOTES |
81b4b98a | 89 | |
be1b3d8c SR |
90 | /* unwind info */ |
91 | .PARISC.unwind : { | |
92 | __start___unwind = .; | |
93 | *(.PARISC.unwind) | |
94 | __stop___unwind = .; | |
95 | } | |
2fd83038 | 96 | |
be1b3d8c SR |
97 | /* rarely changed data like cpu maps */ |
98 | . = ALIGN(16); | |
99 | .data.read_mostly : { | |
100 | *(.data.read_mostly) | |
101 | } | |
2fd83038 | 102 | |
be1b3d8c SR |
103 | . = ALIGN(L1_CACHE_BYTES); |
104 | /* Data */ | |
105 | .data : { | |
106 | DATA_DATA | |
107 | CONSTRUCTORS | |
1da177e4 LT |
108 | } |
109 | ||
be1b3d8c SR |
110 | . = ALIGN(L1_CACHE_BYTES); |
111 | .data.cacheline_aligned : { | |
112 | *(.data.cacheline_aligned) | |
113 | } | |
1da177e4 | 114 | |
be1b3d8c SR |
115 | /* PA-RISC locks requires 16-byte alignment */ |
116 | . = ALIGN(16); | |
117 | .data.lock_aligned : { | |
118 | *(.data.lock_aligned) | |
119 | } | |
1da177e4 | 120 | |
be1b3d8c SR |
121 | /* nosave data is really only used for software suspend...it's here |
122 | * just in case we ever implement it | |
123 | */ | |
1c593571 | 124 | . = ALIGN(PAGE_SIZE); |
be1b3d8c SR |
125 | __nosave_begin = .; |
126 | .data_nosave : { | |
127 | *(.data.nosave) | |
128 | } | |
1c593571 | 129 | . = ALIGN(PAGE_SIZE); |
be1b3d8c | 130 | __nosave_end = .; |
8039de10 | 131 | |
be1b3d8c SR |
132 | /* End of data section */ |
133 | _edata = .; | |
1da177e4 | 134 | |
be1b3d8c SR |
135 | /* BSS */ |
136 | __bss_start = .; | |
137 | /* page table entries need to be PAGE_SIZE aligned */ | |
1c593571 | 138 | . = ALIGN(PAGE_SIZE); |
be1b3d8c SR |
139 | .data.vmpages : { |
140 | *(.data.vm0.pmd) | |
141 | *(.data.vm0.pgd) | |
142 | *(.data.vm0.pte) | |
143 | } | |
144 | .bss : { | |
145 | *(.bss) | |
146 | *(COMMON) | |
2fd83038 | 147 | } |
be1b3d8c | 148 | __bss_stop = .; |
2fd83038 HD |
149 | |
150 | ||
be1b3d8c SR |
151 | /* assembler code expects init_task to be 16k aligned */ |
152 | . = ALIGN(16384); | |
153 | /* init_task */ | |
154 | .data.init_task : { | |
155 | *(.data.init_task) | |
156 | } | |
1da177e4 | 157 | |
1da177e4 | 158 | #ifdef CONFIG_64BIT |
be1b3d8c SR |
159 | . = ALIGN(16); |
160 | /* Linkage tables */ | |
161 | .opd : { | |
162 | *(.opd) | |
163 | } PROVIDE (__gp = .); | |
164 | .plt : { | |
165 | *(.plt) | |
166 | } | |
167 | .dlt : { | |
168 | *(.dlt) | |
169 | } | |
1da177e4 LT |
170 | #endif |
171 | ||
be1b3d8c SR |
172 | /* reserve space for interrupt stack by aligning __init* to 16k */ |
173 | . = ALIGN(16384); | |
174 | __init_begin = .; | |
175 | .init.text : { | |
176 | _sinittext = .; | |
01ba2bdc | 177 | INIT_TEXT |
be1b3d8c SR |
178 | _einittext = .; |
179 | } | |
180 | .init.data : { | |
01ba2bdc | 181 | INIT_DATA |
be1b3d8c SR |
182 | } |
183 | . = ALIGN(16); | |
184 | .init.setup : { | |
185 | __setup_start = .; | |
186 | *(.init.setup) | |
187 | __setup_end = .; | |
188 | } | |
189 | .initcall.init : { | |
190 | __initcall_start = .; | |
191 | INITCALLS | |
192 | __initcall_end = .; | |
193 | } | |
194 | .con_initcall.init : { | |
195 | __con_initcall_start = .; | |
196 | *(.con_initcall.init) | |
197 | __con_initcall_end = .; | |
198 | } | |
199 | SECURITY_INIT | |
200 | ||
201 | /* alternate instruction replacement. This is a mechanism x86 uses | |
202 | * to detect the CPU type and replace generic instruction sequences | |
203 | * with CPU specific ones. We don't currently do this in PA, but | |
204 | * it seems like a good idea... | |
205 | */ | |
206 | . = ALIGN(4); | |
207 | .altinstructions : { | |
208 | __alt_instructions = .; | |
209 | *(.altinstructions) | |
210 | __alt_instructions_end = .; | |
211 | } | |
212 | .altinstr_replacement : { | |
213 | *(.altinstr_replacement) | |
214 | } | |
215 | ||
216 | /* .exit.text is discard at runtime, not link time, to deal with references | |
217 | * from .altinstructions and .eh_frame | |
218 | */ | |
219 | .exit.text : { | |
01ba2bdc | 220 | EXIT_TEXT |
be1b3d8c SR |
221 | } |
222 | .exit.data : { | |
01ba2bdc | 223 | EXIT_DATA |
be1b3d8c | 224 | } |
67d38229 | 225 | #ifdef CONFIG_BLK_DEV_INITRD |
1c593571 | 226 | . = ALIGN(PAGE_SIZE); |
be1b3d8c SR |
227 | .init.ramfs : { |
228 | __initramfs_start = .; | |
229 | *(.init.ramfs) | |
230 | __initramfs_end = .; | |
231 | } | |
67d38229 | 232 | #endif |
5fb7dc37 | 233 | |
1c593571 SR |
234 | PERCPU(PAGE_SIZE) |
235 | . = ALIGN(PAGE_SIZE); | |
be1b3d8c SR |
236 | __init_end = .; |
237 | /* freed after init ends here */ | |
238 | _end = . ; | |
5fb7dc37 | 239 | |
be1b3d8c SR |
240 | /* Sections to be discarded */ |
241 | /DISCARD/ : { | |
242 | *(.exitcall.exit) | |
1da177e4 | 243 | #ifdef CONFIG_64BIT |
be1b3d8c SR |
244 | /* temporary hack until binutils is fixed to not emit these |
245 | * for static binaries | |
246 | */ | |
247 | *(.interp) | |
248 | *(.dynsym) | |
249 | *(.dynstr) | |
250 | *(.dynamic) | |
251 | *(.hash) | |
252 | *(.gnu.hash) | |
1da177e4 LT |
253 | #endif |
254 | } | |
255 | ||
be1b3d8c SR |
256 | STABS_DEBUG |
257 | .note 0 : { *(.note) } | |
1da177e4 | 258 | } |