diff options
Diffstat (limited to 'arch/x86/kernel/vmlinux_64.lds.S')
| -rw-r--r-- | arch/x86/kernel/vmlinux_64.lds.S | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S deleted file mode 100644 index c8742507b03..00000000000 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ /dev/null | |||
| @@ -1,298 +0,0 @@ | |||
| 1 | /* ld script to make x86-64 Linux kernel | ||
| 2 | * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>; | ||
| 3 | */ | ||
| 4 | |||
| 5 | #define LOAD_OFFSET __START_KERNEL_map | ||
| 6 | |||
| 7 | #include <asm-generic/vmlinux.lds.h> | ||
| 8 | #include <asm/asm-offsets.h> | ||
| 9 | #include <asm/page_types.h> | ||
| 10 | |||
| 11 | #undef i386 /* in case the preprocessor is a 32bit one */ | ||
| 12 | |||
| 13 | OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") | ||
| 14 | OUTPUT_ARCH(i386:x86-64) | ||
| 15 | ENTRY(phys_startup_64) | ||
| 16 | jiffies_64 = jiffies; | ||
| 17 | PHDRS { | ||
| 18 | text PT_LOAD FLAGS(5); /* R_E */ | ||
| 19 | data PT_LOAD FLAGS(7); /* RWE */ | ||
| 20 | user PT_LOAD FLAGS(7); /* RWE */ | ||
| 21 | data.init PT_LOAD FLAGS(7); /* RWE */ | ||
| 22 | #ifdef CONFIG_SMP | ||
| 23 | percpu PT_LOAD FLAGS(7); /* RWE */ | ||
| 24 | #endif | ||
| 25 | data.init2 PT_LOAD FLAGS(7); /* RWE */ | ||
| 26 | note PT_NOTE FLAGS(0); /* ___ */ | ||
| 27 | } | ||
| 28 | SECTIONS | ||
| 29 | { | ||
| 30 | . = __START_KERNEL; | ||
| 31 | phys_startup_64 = startup_64 - LOAD_OFFSET; | ||
| 32 | .text : AT(ADDR(.text) - LOAD_OFFSET) { | ||
| 33 | _text = .; /* Text and read-only data */ | ||
| 34 | /* First the code that has to be first for bootstrapping */ | ||
| 35 | *(.text.head) | ||
| 36 | _stext = .; | ||
| 37 | /* Then the rest */ | ||
| 38 | TEXT_TEXT | ||
| 39 | SCHED_TEXT | ||
| 40 | LOCK_TEXT | ||
| 41 | KPROBES_TEXT | ||
| 42 | IRQENTRY_TEXT | ||
| 43 | *(.fixup) | ||
| 44 | *(.gnu.warning) | ||
| 45 | _etext = .; /* End of text section */ | ||
| 46 | } :text = 0x9090 | ||
| 47 | |||
| 48 | NOTES :text :note | ||
| 49 | |||
| 50 | . = ALIGN(16); /* Exception table */ | ||
| 51 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { | ||
| 52 | __start___ex_table = .; | ||
| 53 | *(__ex_table) | ||
| 54 | __stop___ex_table = .; | ||
| 55 | } :text = 0x9090 | ||
| 56 | |||
| 57 | RODATA | ||
| 58 | |||
| 59 | . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */ | ||
| 60 | /* Data */ | ||
| 61 | .data : AT(ADDR(.data) - LOAD_OFFSET) { | ||
| 62 | DATA_DATA | ||
| 63 | CONSTRUCTORS | ||
| 64 | _edata = .; /* End of data section */ | ||
| 65 | } :data | ||
| 66 | |||
| 67 | |||
| 68 | .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { | ||
| 69 | . = ALIGN(PAGE_SIZE); | ||
| 70 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); | ||
| 71 | *(.data.cacheline_aligned) | ||
| 72 | } | ||
| 73 | . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES); | ||
| 74 | .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { | ||
| 75 | *(.data.read_mostly) | ||
| 76 | } | ||
| 77 | |||
| 78 | #define VSYSCALL_ADDR (-10*1024*1024) | ||
| 79 | #define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095)) | ||
| 80 | #define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095)) | ||
| 81 | |||
| 82 | #define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR) | ||
| 83 | #define VLOAD(x) (ADDR(x) - VLOAD_OFFSET) | ||
| 84 | |||
| 85 | #define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR) | ||
| 86 | #define VVIRT(x) (ADDR(x) - VVIRT_OFFSET) | ||
| 87 | |||
| 88 | . = VSYSCALL_ADDR; | ||
| 89 | .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user | ||
| 90 | __vsyscall_0 = VSYSCALL_VIRT_ADDR; | ||
| 91 | |||
| 92 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); | ||
| 93 | .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) } | ||
| 94 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); | ||
| 95 | .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data)) | ||
| 96 | { *(.vsyscall_gtod_data) } | ||
| 97 | vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data); | ||
| 98 | .vsyscall_clock : AT(VLOAD(.vsyscall_clock)) | ||
| 99 | { *(.vsyscall_clock) } | ||
| 100 | vsyscall_clock = VVIRT(.vsyscall_clock); | ||
| 101 | |||
| 102 | |||
| 103 | .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1)) | ||
| 104 | { *(.vsyscall_1) } | ||
| 105 | .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2)) | ||
| 106 | { *(.vsyscall_2) } | ||
| 107 | |||
| 108 | .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) } | ||
| 109 | vgetcpu_mode = VVIRT(.vgetcpu_mode); | ||
| 110 | |||
| 111 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); | ||
| 112 | .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) } | ||
| 113 | jiffies = VVIRT(.jiffies); | ||
| 114 | |||
| 115 | .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) | ||
| 116 | { *(.vsyscall_3) } | ||
| 117 | |||
| 118 | . = VSYSCALL_VIRT_ADDR + PAGE_SIZE; | ||
| 119 | |||
| 120 | #undef VSYSCALL_ADDR | ||
| 121 | #undef VSYSCALL_PHYS_ADDR | ||
| 122 | #undef VSYSCALL_VIRT_ADDR | ||
| 123 | #undef VLOAD_OFFSET | ||
| 124 | #undef VLOAD | ||
| 125 | #undef VVIRT_OFFSET | ||
| 126 | #undef VVIRT | ||
| 127 | |||
| 128 | .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { | ||
| 129 | . = ALIGN(THREAD_SIZE); /* init_task */ | ||
| 130 | *(.data.init_task) | ||
| 131 | }:data.init | ||
| 132 | |||
| 133 | .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { | ||
| 134 | . = ALIGN(PAGE_SIZE); | ||
| 135 | *(.data.page_aligned) | ||
| 136 | } | ||
| 137 | |||
| 138 | .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { | ||
| 139 | /* might get freed after init */ | ||
| 140 | . = ALIGN(PAGE_SIZE); | ||
| 141 | __smp_alt_begin = .; | ||
| 142 | __smp_locks = .; | ||
| 143 | *(.smp_locks) | ||
| 144 | __smp_locks_end = .; | ||
| 145 | . = ALIGN(PAGE_SIZE); | ||
| 146 | __smp_alt_end = .; | ||
| 147 | } | ||
| 148 | |||
| 149 | . = ALIGN(PAGE_SIZE); /* Init code and data */ | ||
| 150 | __init_begin = .; /* paired with __init_end */ | ||
| 151 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { | ||
| 152 | _sinittext = .; | ||
| 153 | INIT_TEXT | ||
| 154 | _einittext = .; | ||
| 155 | } | ||
| 156 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { | ||
| 157 | __initdata_begin = .; | ||
| 158 | INIT_DATA | ||
| 159 | __initdata_end = .; | ||
| 160 | } | ||
| 161 | |||
| 162 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { | ||
| 163 | . = ALIGN(16); | ||
| 164 | __setup_start = .; | ||
| 165 | *(.init.setup) | ||
| 166 | __setup_end = .; | ||
| 167 | } | ||
| 168 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { | ||
| 169 | __initcall_start = .; | ||
| 170 | INITCALLS | ||
| 171 | __initcall_end = .; | ||
| 172 | } | ||
| 173 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { | ||
| 174 | __con_initcall_start = .; | ||
| 175 | *(.con_initcall.init) | ||
| 176 | __con_initcall_end = .; | ||
| 177 | } | ||
| 178 | .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { | ||
| 179 | __x86_cpu_dev_start = .; | ||
| 180 | *(.x86_cpu_dev.init) | ||
| 181 | __x86_cpu_dev_end = .; | ||
| 182 | } | ||
| 183 | SECURITY_INIT | ||
| 184 | |||
| 185 | . = ALIGN(8); | ||
| 186 | .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { | ||
| 187 | __parainstructions = .; | ||
| 188 | *(.parainstructions) | ||
| 189 | __parainstructions_end = .; | ||
| 190 | } | ||
| 191 | |||
| 192 | .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { | ||
| 193 | . = ALIGN(8); | ||
| 194 | __alt_instructions = .; | ||
| 195 | *(.altinstructions) | ||
| 196 | __alt_instructions_end = .; | ||
| 197 | } | ||
| 198 | .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) { | ||
| 199 | *(.altinstr_replacement) | ||
| 200 | } | ||
| 201 | /* .exit.text is discard at runtime, not link time, to deal with references | ||
| 202 | from .altinstructions and .eh_frame */ | ||
| 203 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { | ||
| 204 | EXIT_TEXT | ||
| 205 | } | ||
| 206 | .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { | ||
| 207 | EXIT_DATA | ||
| 208 | } | ||
| 209 | |||
| 210 | #ifdef CONFIG_BLK_DEV_INITRD | ||
| 211 | . = ALIGN(PAGE_SIZE); | ||
| 212 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { | ||
| 213 | __initramfs_start = .; | ||
| 214 | *(.init.ramfs) | ||
| 215 | __initramfs_end = .; | ||
| 216 | } | ||
| 217 | #endif | ||
| 218 | |||
| 219 | #ifdef CONFIG_SMP | ||
| 220 | /* | ||
| 221 | * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the | ||
| 222 | * output PHDR, so the next output section - __data_nosave - should | ||
| 223 | * start another section data.init2. Also, pda should be at the head of | ||
| 224 | * percpu area. Preallocate it and define the percpu offset symbol | ||
| 225 | * so that it can be accessed as a percpu variable. | ||
| 226 | */ | ||
| 227 | . = ALIGN(PAGE_SIZE); | ||
| 228 | PERCPU_VADDR(0, :percpu) | ||
| 229 | #else | ||
| 230 | PERCPU(PAGE_SIZE) | ||
| 231 | #endif | ||
| 232 | |||
| 233 | . = ALIGN(PAGE_SIZE); | ||
| 234 | __init_end = .; | ||
| 235 | |||
| 236 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { | ||
| 237 | . = ALIGN(PAGE_SIZE); | ||
| 238 | __nosave_begin = .; | ||
| 239 | *(.data.nosave) | ||
| 240 | . = ALIGN(PAGE_SIZE); | ||
| 241 | __nosave_end = .; | ||
| 242 | } :data.init2 /* use another section data.init2, see PERCPU_VADDR() above */ | ||
| 243 | |||
| 244 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { | ||
| 245 | . = ALIGN(PAGE_SIZE); | ||
| 246 | __bss_start = .; /* BSS */ | ||
| 247 | *(.bss.page_aligned) | ||
| 248 | *(.bss) | ||
| 249 | __bss_stop = .; | ||
| 250 | } | ||
| 251 | |||
| 252 | .brk : AT(ADDR(.brk) - LOAD_OFFSET) { | ||
| 253 | . = ALIGN(PAGE_SIZE); | ||
| 254 | __brk_base = . ; | ||
| 255 | . += 64 * 1024 ; /* 64k alignment slop space */ | ||
| 256 | *(.brk_reservation) /* areas brk users have reserved */ | ||
| 257 | __brk_limit = . ; | ||
| 258 | } | ||
| 259 | |||
| 260 | _end = . ; | ||
| 261 | |||
| 262 | /* Sections to be discarded */ | ||
| 263 | /DISCARD/ : { | ||
| 264 | *(.exitcall.exit) | ||
| 265 | *(.eh_frame) | ||
| 266 | *(.discard) | ||
| 267 | } | ||
| 268 | |||
| 269 | STABS_DEBUG | ||
| 270 | |||
| 271 | DWARF_DEBUG | ||
| 272 | } | ||
| 273 | |||
| 274 | /* | ||
| 275 | * Per-cpu symbols which need to be offset from __per_cpu_load | ||
| 276 | * for the boot processor. | ||
| 277 | */ | ||
| 278 | #define INIT_PER_CPU(x) init_per_cpu__##x = per_cpu__##x + __per_cpu_load | ||
| 279 | INIT_PER_CPU(gdt_page); | ||
| 280 | INIT_PER_CPU(irq_stack_union); | ||
| 281 | |||
| 282 | /* | ||
| 283 | * Build-time check on the image size: | ||
| 284 | */ | ||
| 285 | ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), | ||
| 286 | "kernel image bigger than KERNEL_IMAGE_SIZE") | ||
| 287 | |||
| 288 | #ifdef CONFIG_SMP | ||
| 289 | ASSERT((per_cpu__irq_stack_union == 0), | ||
| 290 | "irq_stack_union is not at start of per-cpu area"); | ||
| 291 | #endif | ||
| 292 | |||
| 293 | #ifdef CONFIG_KEXEC | ||
| 294 | #include <asm/kexec.h> | ||
| 295 | |||
| 296 | ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE, | ||
| 297 | "kexec control code size is too big") | ||
| 298 | #endif | ||
