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> |
62bef288 | 9 | #include <asm/thread_info.h> |
14cf11af | 10 | |
e19e4ab4 ME |
11 | ENTRY(_stext) |
12 | ||
c69cccc9 SB |
13 | PHDRS { |
14 | kernel PT_LOAD FLAGS(7); /* RWX */ | |
15 | notes PT_NOTE FLAGS(0); | |
16 | dummy PT_NOTE FLAGS(0); | |
17 | ||
18 | /* binutils < 2.18 has a bug that makes it misbehave when taking an | |
19 | ELF file with all segments at load address 0 as input. This | |
20 | happens when running "strip" on vmlinux, because of the AT() magic | |
21 | in this linker script. People using GCC >= 4.2 won't run into | |
22 | this problem, because the "build-id" support will put some data | |
23 | into the "notes" segment (at a non-zero load address). | |
24 | ||
25 | To work around this, we force some data into both the "dummy" | |
26 | segment and the kernel segment, so the dummy segment will get a | |
27 | non-zero load address. It's not enough to always create the | |
28 | "notes" segment, since if nothing gets assigned to it, its load | |
29 | address will be zero. */ | |
30 | } | |
31 | ||
cabb5587 SR |
32 | #ifdef CONFIG_PPC64 |
33 | OUTPUT_ARCH(powerpc:common64) | |
34 | jiffies = jiffies_64; | |
35 | #else | |
14cf11af PM |
36 | OUTPUT_ARCH(powerpc:common) |
37 | jiffies = jiffies_64 + 4; | |
cabb5587 | 38 | #endif |
14cf11af PM |
39 | SECTIONS |
40 | { | |
e8222502 | 41 | . = KERNELBASE; |
14cf11af | 42 | |
e8222502 BH |
43 | /* |
44 | * Text, read only data and other permanent read-only sections | |
45 | */ | |
46 | ||
47 | /* Text and gots */ | |
366234f6 | 48 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
748a7683 | 49 | ALIGN_FUNCTION(); |
e7039845 | 50 | HEAD_TEXT |
fd593d12 | 51 | _text = .; |
13beadd9 TA |
52 | /* careful! __ftr_alt_* sections need to be close to .text */ |
53 | *(.text .fixup __ftr_alt_* .ref.text) | |
e8222502 BH |
54 | SCHED_TEXT |
55 | LOCK_TEXT | |
56 | KPROBES_TEXT | |
6794c782 | 57 | IRQENTRY_TEXT |
be7635e7 | 58 | SOFTIRQENTRY_TEXT |
14cf11af | 59 | |
e8222502 BH |
60 | #ifdef CONFIG_PPC32 |
61 | *(.got1) | |
62 | __got2_start = .; | |
63 | *(.got2) | |
64 | __got2_end = .; | |
65 | #endif /* CONFIG_PPC32 */ | |
66 | ||
c69cccc9 | 67 | } :kernel |
e8222502 | 68 | |
303996da SR |
69 | . = ALIGN(PAGE_SIZE); |
70 | _etext = .; | |
71 | PROVIDE32 (etext = .); | |
72 | ||
e8222502 BH |
73 | /* Read-only data */ |
74 | RODATA | |
75 | ||
62bef288 | 76 | EXCEPTION_TABLE(0) |
14cf11af | 77 | |
c69cccc9 SB |
78 | NOTES :kernel :notes |
79 | ||
80 | /* The dummy segment contents for the bug workaround mentioned above | |
81 | near PHDRS. */ | |
80c60bf9 | 82 | .dummy : AT(ADDR(.dummy) - LOAD_OFFSET) { |
e16459c6 MM |
83 | LONG(0) |
84 | LONG(0) | |
85 | LONG(0) | |
c69cccc9 | 86 | } :kernel :dummy |
8fb775ee | 87 | |
e8222502 BH |
88 | /* |
89 | * Init sections discarded at runtime | |
90 | */ | |
91 | . = ALIGN(PAGE_SIZE); | |
92 | __init_begin = .; | |
62bef288 | 93 | INIT_TEXT_SECTION(PAGE_SIZE) :kernel |
e8222502 BH |
94 | |
95 | /* .exit.text is discarded at runtime, not link time, | |
96 | * to deal with references from __bug_table | |
97 | */ | |
366234f6 | 98 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { |
01ba2bdc SR |
99 | EXIT_TEXT |
100 | } | |
e8222502 | 101 | |
366234f6 | 102 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { |
01ba2bdc | 103 | INIT_DATA |
e8222502 BH |
104 | __vtop_table_begin = .; |
105 | *(.vtop_fixup); | |
106 | __vtop_table_end = .; | |
107 | __ptov_table_begin = .; | |
108 | *(.ptov_fixup); | |
109 | __ptov_table_end = .; | |
110 | } | |
111 | ||
366234f6 | 112 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { |
62bef288 | 113 | INIT_SETUP(16) |
e8222502 BH |
114 | } |
115 | ||
366234f6 | 116 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { |
62bef288 TA |
117 | INIT_CALLS |
118 | } | |
e8222502 | 119 | |
366234f6 | 120 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
62bef288 | 121 | CON_INITCALL |
e8222502 BH |
122 | } |
123 | ||
124 | SECURITY_INIT | |
125 | ||
126 | . = ALIGN(8); | |
366234f6 | 127 | __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) { |
cabb5587 SR |
128 | __start___ftr_fixup = .; |
129 | *(__ftr_fixup) | |
130 | __stop___ftr_fixup = .; | |
131 | } | |
2d1b2027 | 132 | . = ALIGN(8); |
7c03d653 BH |
133 | __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) { |
134 | __start___mmu_ftr_fixup = .; | |
135 | *(__mmu_ftr_fixup) | |
136 | __stop___mmu_ftr_fixup = .; | |
137 | } | |
138 | . = ALIGN(8); | |
2d1b2027 KG |
139 | __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { |
140 | __start___lwsync_fixup = .; | |
141 | *(__lwsync_fixup) | |
142 | __stop___lwsync_fixup = .; | |
143 | } | |
3f639ee8 SR |
144 | #ifdef CONFIG_PPC64 |
145 | . = ALIGN(8); | |
366234f6 | 146 | __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { |
3f639ee8 SR |
147 | __start___fw_ftr_fixup = .; |
148 | *(__fw_ftr_fixup) | |
149 | __stop___fw_ftr_fixup = .; | |
150 | } | |
151 | #endif | |
366234f6 | 152 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { |
62bef288 | 153 | INIT_RAM_FS |
e8222502 | 154 | } |
62bef288 | 155 | |
0415b00d | 156 | PERCPU_SECTION(L1_CACHE_BYTES) |
14cf11af | 157 | |
e8222502 | 158 | . = ALIGN(8); |
366234f6 | 159 | .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { |
e8222502 BH |
160 | __machine_desc_start = . ; |
161 | *(.machine.desc) | |
162 | __machine_desc_end = . ; | |
163 | } | |
2a4b9c5a | 164 | #ifdef CONFIG_RELOCATABLE |
549e8152 | 165 | . = ALIGN(8); |
9c5f7d39 SP |
166 | .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET) |
167 | { | |
168 | #ifdef CONFIG_RELOCATABLE_PPC32 | |
169 | __dynamic_symtab = .; | |
170 | #endif | |
171 | *(.dynsym) | |
172 | } | |
549e8152 PM |
173 | .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) } |
174 | .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET) | |
175 | { | |
176 | __dynamic_start = .; | |
177 | *(.dynamic) | |
178 | } | |
179 | .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) } | |
180 | .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) } | |
181 | .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET) | |
182 | { | |
183 | __rela_dyn_start = .; | |
184 | *(.rela*) | |
185 | } | |
2a4b9c5a | 186 | #endif |
4c812318 SR |
187 | /* .exit.data is discarded at runtime, not link time, |
188 | * to deal with references from .exit.text | |
189 | */ | |
190 | .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { | |
191 | EXIT_DATA | |
192 | } | |
e8222502 BH |
193 | |
194 | /* freed after init ends here */ | |
195 | . = ALIGN(PAGE_SIZE); | |
196 | __init_end = .; | |
197 | ||
198 | /* | |
199 | * And now the various read/write data | |
200 | */ | |
201 | ||
202 | . = ALIGN(PAGE_SIZE); | |
203 | _sdata = .; | |
14cf11af | 204 | |
cabb5587 | 205 | #ifdef CONFIG_PPC32 |
366234f6 | 206 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
ca967258 | 207 | DATA_DATA |
e8222502 BH |
208 | *(.sdata) |
209 | *(.got.plt) *(.got) | |
210 | } | |
cabb5587 | 211 | #else |
366234f6 | 212 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
3ae0aa9f MD |
213 | DATA_DATA |
214 | *(.data.rel*) | |
215 | *(.toc1) | |
e8222502 BH |
216 | *(.branch_lt) |
217 | } | |
14cf11af | 218 | |
366234f6 | 219 | .opd : AT(ADDR(.opd) - LOAD_OFFSET) { |
e8222502 BH |
220 | *(.opd) |
221 | } | |
222 | ||
5e95235c | 223 | . = ALIGN(256); |
366234f6 | 224 | .got : AT(ADDR(.got) - LOAD_OFFSET) { |
e8222502 | 225 | __toc_start = .; |
5ac47f7a AB |
226 | #ifndef CONFIG_RELOCATABLE |
227 | __prom_init_toc_start = .; | |
228 | arch/powerpc/kernel/prom_init.o*(.toc .got) | |
229 | __prom_init_toc_end = .; | |
230 | #endif | |
e8222502 BH |
231 | *(.got) |
232 | *(.toc) | |
233 | } | |
cabb5587 | 234 | #endif |
14cf11af | 235 | |
e8222502 | 236 | /* The initial task and kernel stack */ |
2af7687f | 237 | INIT_TASK_DATA_SECTION(THREAD_SIZE) |
14cf11af | 238 | |
75b13483 | 239 | .data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) { |
62bef288 | 240 | PAGE_ALIGNED_DATA(PAGE_SIZE) |
e8222502 | 241 | } |
14cf11af | 242 | |
4af57b78 | 243 | .data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) { |
62bef288 | 244 | CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) |
e8222502 | 245 | } |
14cf11af | 246 | |
54cb27a7 | 247 | .data..read_mostly : AT(ADDR(.data..read_mostly) - LOAD_OFFSET) { |
62bef288 | 248 | READ_MOSTLY_DATA(L1_CACHE_BYTES) |
bd67fcf9 TB |
249 | } |
250 | ||
5be2a213 | 251 | . = ALIGN(PAGE_SIZE); |
366234f6 | 252 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { |
62bef288 | 253 | NOSAVE_DATA |
e8222502 | 254 | } |
4a288563 | 255 | |
903444e4 ME |
256 | . = ALIGN(PAGE_SIZE); |
257 | _edata = .; | |
258 | PROVIDE32 (edata = .); | |
259 | ||
e8222502 BH |
260 | /* |
261 | * And finally the bss | |
262 | */ | |
263 | ||
62bef288 | 264 | BSS_SECTION(0, 0, 0) |
14cf11af | 265 | |
e8222502 BH |
266 | . = ALIGN(PAGE_SIZE); |
267 | _end = . ; | |
268 | PROVIDE32 (end = .); | |
023bf6f1 TH |
269 | |
270 | /* Sections to be discarded. */ | |
271 | DISCARDS | |
14cf11af | 272 | } |