1/* 2 * ld script to make ARM Linux kernel 3 * taken from the i386 version by Russell King 4 * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz> 5 */ 6 7#include <asm-generic/vmlinux.lds.h> 8#include <asm/thread_info.h> 9#include <asm/memory.h> 10#include <asm/page.h> 11 12#define ARM_EXIT_KEEP(x) 13#define ARM_EXIT_DISCARD(x) x 14 15OUTPUT_ARCH(aarch64) 16ENTRY(stext) 17 18jiffies = jiffies_64; 19 20#define HYPERVISOR_TEXT \ 21 /* \ 22 * Force the alignment to be compatible with \ 23 * the vectors requirements \ 24 */ \ 25 . = ALIGN(2048); \ 26 VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \ 27 *(.hyp.idmap.text) \ 28 VMLINUX_SYMBOL(__hyp_idmap_text_end) = .; \ 29 VMLINUX_SYMBOL(__hyp_text_start) = .; \ 30 *(.hyp.text) \ 31 VMLINUX_SYMBOL(__hyp_text_end) = .; 32 33SECTIONS 34{ 35 /* 36 * XXX: The linker does not define how output sections are 37 * assigned to input sections when there are multiple statements 38 * matching the same input section name. There is no documented 39 * order of matching. 40 */ 41 /DISCARD/ : { 42 ARM_EXIT_DISCARD(EXIT_TEXT) 43 ARM_EXIT_DISCARD(EXIT_DATA) 44 EXIT_CALL 45 *(.discard) 46 *(.discard.*) 47 } 48 49 . = PAGE_OFFSET + TEXT_OFFSET; 50 51 .head.text : { 52 _text = .; 53 HEAD_TEXT 54 } 55 .text : { /* Real text segment */ 56 _stext = .; /* Text and read-only data */ 57 *(.smp.pen.text) 58 __exception_text_start = .; 59 *(.exception.text) 60 __exception_text_end = .; 61 IRQENTRY_TEXT 62 TEXT_TEXT 63 SCHED_TEXT 64 LOCK_TEXT 65 HYPERVISOR_TEXT 66 *(.fixup) 67 *(.gnu.warning) 68 . = ALIGN(16); 69 *(.got) /* Global offset table */ 70 } 71 72 RO_DATA(PAGE_SIZE) 73 EXCEPTION_TABLE(8) 74 NOTES 75 _etext = .; /* End of text and rodata section */ 76 77 . = ALIGN(PAGE_SIZE); 78 __init_begin = .; 79 80 INIT_TEXT_SECTION(8) 81 .exit.text : { 82 ARM_EXIT_KEEP(EXIT_TEXT) 83 } 84 . = ALIGN(16); 85 .init.data : { 86 INIT_DATA 87 INIT_SETUP(16) 88 INIT_CALLS 89 CON_INITCALL 90 SECURITY_INITCALL 91 INIT_RAM_FS 92 } 93 .exit.data : { 94 ARM_EXIT_KEEP(EXIT_DATA) 95 } 96 97 PERCPU_SECTION(64) 98 99 __init_end = .; 100 . = ALIGN(THREAD_SIZE); 101 __data_loc = .; 102 103 .data : AT(__data_loc) { 104 _data = .; /* address in memory */ 105 _sdata = .; 106 107 /* 108 * first, the init task union, aligned 109 * to an 8192 byte boundary. 110 */ 111 INIT_TASK_DATA(THREAD_SIZE) 112 NOSAVE_DATA 113 CACHELINE_ALIGNED_DATA(64) 114 READ_MOSTLY_DATA(64) 115 116 /* 117 * and the usual data section 118 */ 119 DATA_DATA 120 CONSTRUCTORS 121 122 _edata = .; 123 } 124 _edata_loc = __data_loc + SIZEOF(.data); 125 126 BSS_SECTION(0, 0, 0) 127 _end = .; 128 129 STABS_DEBUG 130 .comment 0 : { *(.comment) } 131} 132 133/* 134 * The HYP init code can't be more than a page long. 135 */ 136ASSERT(((__hyp_idmap_text_start + PAGE_SIZE) > __hyp_idmap_text_end), 137 "HYP init code too big") 138