Commit | Line | Data |
---|---|---|
c51e3a41 | 1 | #ifdef CONFIG_PPC64 |
e8222502 | 2 | #define PROVIDE32(x) PROVIDE(__unused__##x) |
c51e3a41 | 3 | #else |
e8222502 | 4 | #define PROVIDE32(x) PROVIDE(x) |
c51e3a41 | 5 | #endif |
4846c5de | 6 | #include <asm/page.h> |
14cf11af | 7 | #include <asm-generic/vmlinux.lds.h> |
bd67fcf9 | 8 | #include <asm/cache.h> |
14cf11af | 9 | |
e19e4ab4 ME |
10 | ENTRY(_stext) |
11 | ||
c69cccc9 SB |
12 | PHDRS { |
13 | kernel PT_LOAD FLAGS(7); /* RWX */ | |
14 | notes PT_NOTE FLAGS(0); | |
15 | dummy PT_NOTE FLAGS(0); | |
16 | ||
17 | /* binutils < 2.18 has a bug that makes it misbehave when taking an | |
18 | ELF file with all segments at load address 0 as input. This | |
19 | happens when running "strip" on vmlinux, because of the AT() magic | |
20 | in this linker script. People using GCC >= 4.2 won't run into | |
21 | this problem, because the "build-id" support will put some data | |
22 | into the "notes" segment (at a non-zero load address). | |
23 | ||
24 | To work around this, we force some data into both the "dummy" | |
25 | segment and the kernel segment, so the dummy segment will get a | |
26 | non-zero load address. It's not enough to always create the | |
27 | "notes" segment, since if nothing gets assigned to it, its load | |
28 | address will be zero. */ | |
29 | } | |
30 | ||
cabb5587 SR |
31 | #ifdef CONFIG_PPC64 |
32 | OUTPUT_ARCH(powerpc:common64) | |
33 | jiffies = jiffies_64; | |
34 | #else | |
14cf11af PM |
35 | OUTPUT_ARCH(powerpc:common) |
36 | jiffies = jiffies_64 + 4; | |
cabb5587 | 37 | #endif |
14cf11af PM |
38 | SECTIONS |
39 | { | |
e8222502 BH |
40 | /* Sections to be discarded. */ |
41 | /DISCARD/ : { | |
42 | *(.exitcall.exit) | |
01ba2bdc | 43 | EXIT_DATA |
e8222502 | 44 | } |
14cf11af | 45 | |
e8222502 | 46 | . = KERNELBASE; |
14cf11af | 47 | |
e8222502 BH |
48 | /* |
49 | * Text, read only data and other permanent read-only sections | |
50 | */ | |
51 | ||
52 | /* Text and gots */ | |
366234f6 | 53 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
748a7683 | 54 | ALIGN_FUNCTION(); |
e7039845 | 55 | HEAD_TEXT |
fd593d12 | 56 | _text = .; |
fac23fe4 | 57 | *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*) |
e8222502 BH |
58 | SCHED_TEXT |
59 | LOCK_TEXT | |
60 | KPROBES_TEXT | |
6794c782 | 61 | IRQENTRY_TEXT |
14cf11af | 62 | |
e8222502 BH |
63 | #ifdef CONFIG_PPC32 |
64 | *(.got1) | |
65 | __got2_start = .; | |
66 | *(.got2) | |
67 | __got2_end = .; | |
68 | #endif /* CONFIG_PPC32 */ | |
69 | ||
c69cccc9 | 70 | } :kernel |
e8222502 | 71 | |
303996da SR |
72 | . = ALIGN(PAGE_SIZE); |
73 | _etext = .; | |
74 | PROVIDE32 (etext = .); | |
75 | ||
e8222502 BH |
76 | /* Read-only data */ |
77 | RODATA | |
78 | ||
79 | /* Exception & bug tables */ | |
366234f6 | 80 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { |
14cf11af PM |
81 | __start___ex_table = .; |
82 | *(__ex_table) | |
83 | __stop___ex_table = .; | |
84 | } | |
85 | ||
c69cccc9 SB |
86 | NOTES :kernel :notes |
87 | ||
88 | /* The dummy segment contents for the bug workaround mentioned above | |
89 | near PHDRS. */ | |
80c60bf9 | 90 | .dummy : AT(ADDR(.dummy) - LOAD_OFFSET) { |
e16459c6 MM |
91 | LONG(0) |
92 | LONG(0) | |
93 | LONG(0) | |
c69cccc9 | 94 | } :kernel :dummy |
8fb775ee | 95 | |
e8222502 BH |
96 | /* |
97 | * Init sections discarded at runtime | |
98 | */ | |
99 | . = ALIGN(PAGE_SIZE); | |
100 | __init_begin = .; | |
101 | ||
366234f6 | 102 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { |
e8222502 | 103 | _sinittext = .; |
01ba2bdc | 104 | INIT_TEXT |
e8222502 | 105 | _einittext = .; |
c69cccc9 | 106 | } :kernel |
e8222502 BH |
107 | |
108 | /* .exit.text is discarded at runtime, not link time, | |
109 | * to deal with references from __bug_table | |
110 | */ | |
366234f6 | 111 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { |
01ba2bdc SR |
112 | EXIT_TEXT |
113 | } | |
e8222502 | 114 | |
366234f6 | 115 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { |
01ba2bdc | 116 | INIT_DATA |
e8222502 BH |
117 | __vtop_table_begin = .; |
118 | *(.vtop_fixup); | |
119 | __vtop_table_end = .; | |
120 | __ptov_table_begin = .; | |
121 | *(.ptov_fixup); | |
122 | __ptov_table_end = .; | |
c4e3ea25 SR |
123 | #ifdef CONFIG_PPC_ISERIES |
124 | __dt_strings_start = .; | |
125 | *(.dt_strings); | |
126 | __dt_strings_end = .; | |
127 | #endif | |
e8222502 BH |
128 | } |
129 | ||
130 | . = ALIGN(16); | |
366234f6 | 131 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { |
e8222502 BH |
132 | __setup_start = .; |
133 | *(.init.setup) | |
134 | __setup_end = .; | |
135 | } | |
136 | ||
366234f6 | 137 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { |
e8222502 | 138 | __initcall_start = .; |
61ce1efe | 139 | INITCALLS |
e8222502 BH |
140 | __initcall_end = .; |
141 | } | |
142 | ||
366234f6 | 143 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
e8222502 BH |
144 | __con_initcall_start = .; |
145 | *(.con_initcall.init) | |
146 | __con_initcall_end = .; | |
147 | } | |
148 | ||
149 | SECURITY_INIT | |
150 | ||
151 | . = ALIGN(8); | |
366234f6 | 152 | __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) { |
cabb5587 SR |
153 | __start___ftr_fixup = .; |
154 | *(__ftr_fixup) | |
155 | __stop___ftr_fixup = .; | |
156 | } | |
2d1b2027 | 157 | . = ALIGN(8); |
7c03d653 BH |
158 | __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) { |
159 | __start___mmu_ftr_fixup = .; | |
160 | *(__mmu_ftr_fixup) | |
161 | __stop___mmu_ftr_fixup = .; | |
162 | } | |
163 | . = ALIGN(8); | |
2d1b2027 KG |
164 | __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { |
165 | __start___lwsync_fixup = .; | |
166 | *(__lwsync_fixup) | |
167 | __stop___lwsync_fixup = .; | |
168 | } | |
3f639ee8 SR |
169 | #ifdef CONFIG_PPC64 |
170 | . = ALIGN(8); | |
366234f6 | 171 | __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { |
3f639ee8 SR |
172 | __start___fw_ftr_fixup = .; |
173 | *(__fw_ftr_fixup) | |
174 | __stop___fw_ftr_fixup = .; | |
175 | } | |
176 | #endif | |
67d38229 | 177 | #ifdef CONFIG_BLK_DEV_INITRD |
e8222502 | 178 | . = ALIGN(PAGE_SIZE); |
366234f6 | 179 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { |
e8222502 BH |
180 | __initramfs_start = .; |
181 | *(.init.ramfs) | |
182 | __initramfs_end = .; | |
183 | } | |
67d38229 | 184 | #endif |
19390c4d | 185 | PERCPU(PAGE_SIZE) |
14cf11af | 186 | |
e8222502 | 187 | . = ALIGN(8); |
366234f6 | 188 | .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { |
e8222502 BH |
189 | __machine_desc_start = . ; |
190 | *(.machine.desc) | |
191 | __machine_desc_end = . ; | |
192 | } | |
2a4b9c5a | 193 | #ifdef CONFIG_RELOCATABLE |
549e8152 PM |
194 | . = ALIGN(8); |
195 | .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET) { *(.dynsym) } | |
196 | .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) } | |
197 | .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET) | |
198 | { | |
199 | __dynamic_start = .; | |
200 | *(.dynamic) | |
201 | } | |
202 | .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) } | |
203 | .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) } | |
204 | .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET) | |
205 | { | |
206 | __rela_dyn_start = .; | |
207 | *(.rela*) | |
208 | } | |
2a4b9c5a | 209 | #endif |
e8222502 BH |
210 | |
211 | /* freed after init ends here */ | |
212 | . = ALIGN(PAGE_SIZE); | |
213 | __init_end = .; | |
214 | ||
215 | /* | |
216 | * And now the various read/write data | |
217 | */ | |
218 | ||
219 | . = ALIGN(PAGE_SIZE); | |
220 | _sdata = .; | |
14cf11af | 221 | |
cabb5587 | 222 | #ifdef CONFIG_PPC32 |
366234f6 | 223 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
ca967258 | 224 | DATA_DATA |
e8222502 BH |
225 | *(.sdata) |
226 | *(.got.plt) *(.got) | |
227 | } | |
cabb5587 | 228 | #else |
366234f6 | 229 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
3ae0aa9f MD |
230 | DATA_DATA |
231 | *(.data.rel*) | |
232 | *(.toc1) | |
e8222502 BH |
233 | *(.branch_lt) |
234 | } | |
14cf11af | 235 | |
366234f6 | 236 | .opd : AT(ADDR(.opd) - LOAD_OFFSET) { |
e8222502 BH |
237 | *(.opd) |
238 | } | |
239 | ||
366234f6 | 240 | .got : AT(ADDR(.got) - LOAD_OFFSET) { |
e8222502 BH |
241 | __toc_start = .; |
242 | *(.got) | |
243 | *(.toc) | |
244 | } | |
cabb5587 | 245 | #endif |
14cf11af | 246 | |
e8222502 BH |
247 | . = ALIGN(PAGE_SIZE); |
248 | _edata = .; | |
249 | PROVIDE32 (edata = .); | |
250 | ||
251 | /* The initial task and kernel stack */ | |
252 | #ifdef CONFIG_PPC32 | |
253 | . = ALIGN(8192); | |
cabb5587 | 254 | #else |
e8222502 BH |
255 | . = ALIGN(16384); |
256 | #endif | |
366234f6 | 257 | .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { |
e8222502 BH |
258 | *(.data.init_task) |
259 | } | |
14cf11af | 260 | |
e8222502 | 261 | . = ALIGN(PAGE_SIZE); |
366234f6 | 262 | .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { |
e8222502 BH |
263 | *(.data.page_aligned) |
264 | } | |
14cf11af | 265 | |
366234f6 | 266 | .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { |
e8222502 BH |
267 | *(.data.cacheline_aligned) |
268 | } | |
14cf11af | 269 | |
bd67fcf9 | 270 | . = ALIGN(L1_CACHE_BYTES); |
366234f6 | 271 | .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { |
bd67fcf9 TB |
272 | *(.data.read_mostly) |
273 | } | |
274 | ||
e8222502 | 275 | . = ALIGN(PAGE_SIZE); |
366234f6 | 276 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { |
e8222502 BH |
277 | __nosave_begin = .; |
278 | *(.data.nosave) | |
279 | . = ALIGN(PAGE_SIZE); | |
280 | __nosave_end = .; | |
281 | } | |
4a288563 | 282 | |
e8222502 BH |
283 | /* |
284 | * And finally the bss | |
285 | */ | |
286 | ||
366234f6 | 287 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { |
e8222502 BH |
288 | __bss_start = .; |
289 | *(.sbss) *(.scommon) | |
290 | *(.dynbss) | |
291 | *(.bss) | |
292 | *(COMMON) | |
293 | __bss_stop = .; | |
294 | } | |
14cf11af | 295 | |
e8222502 BH |
296 | . = ALIGN(PAGE_SIZE); |
297 | _end = . ; | |
298 | PROVIDE32 (end = .); | |
14cf11af | 299 | } |