1/* ld script to make s390 Linux kernel 2 * Written by Martin Schwidefsky (schwidefsky@de.ibm.com) 3 */ 4 5#include <asm/thread_info.h> 6#include <asm/page.h> 7 8/* 9 * Put .bss..swapper_pg_dir as the first thing in .bss. This will 10 * make sure it has 16k alignment. 11 */ 12#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir) 13 14/* Handle ro_after_init data on our own. */ 15#define RO_AFTER_INIT_DATA 16 17#include <asm-generic/vmlinux.lds.h> 18 19OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") 20OUTPUT_ARCH(s390:64-bit) 21ENTRY(startup) 22jiffies = jiffies_64; 23 24PHDRS { 25 text PT_LOAD FLAGS(5); /* R_E */ 26 data PT_LOAD FLAGS(7); /* RWE */ 27 note PT_NOTE FLAGS(0); /* ___ */ 28} 29 30SECTIONS 31{ 32 . = 0x00000000; 33 .text : { 34 _text = .; /* Text and read-only data */ 35 HEAD_TEXT 36 TEXT_TEXT 37 SCHED_TEXT 38 CPUIDLE_TEXT 39 LOCK_TEXT 40 KPROBES_TEXT 41 IRQENTRY_TEXT 42 SOFTIRQENTRY_TEXT 43 *(.fixup) 44 *(.gnu.warning) 45 } :text = 0x0700 46 47 . = ALIGN(PAGE_SIZE); 48 _etext = .; /* End of text section */ 49 50 NOTES :text :note 51 52 .dummy : { *(.dummy) } :data 53 54 RO_DATA_SECTION(PAGE_SIZE) 55 56#ifdef CONFIG_SHARED_KERNEL 57 . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ 58#endif 59 60 . = ALIGN(PAGE_SIZE); 61 _eshared = .; /* End of shareable data */ 62 _sdata = .; /* Start of data section */ 63 64 . = ALIGN(PAGE_SIZE); 65 __start_ro_after_init = .; 66 __start_data_ro_after_init = .; 67 .data..ro_after_init : { 68 *(.data..ro_after_init) 69 } 70 __end_data_ro_after_init = .; 71 EXCEPTION_TABLE(16) 72 . = ALIGN(PAGE_SIZE); 73 __end_ro_after_init = .; 74 75 RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) 76 77 _edata = .; /* End of data section */ 78 79 /* will be freed after init */ 80 . = ALIGN(PAGE_SIZE); /* Init code and data */ 81 __init_begin = .; 82 83 . = ALIGN(PAGE_SIZE); 84 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { 85 VMLINUX_SYMBOL(_sinittext) = . ; 86 INIT_TEXT 87 . = ALIGN(PAGE_SIZE); 88 VMLINUX_SYMBOL(_einittext) = . ; 89 } 90 91 /* 92 * .exit.text is discarded at runtime, not link time, 93 * to deal with references from __bug_table 94 */ 95 .exit.text : { 96 EXIT_TEXT 97 } 98 99 .exit.data : { 100 EXIT_DATA 101 } 102 103 /* early.c uses stsi, which requires page aligned data. */ 104 . = ALIGN(PAGE_SIZE); 105 INIT_DATA_SECTION(0x100) 106 107 PERCPU_SECTION(0x100) 108 . = ALIGN(PAGE_SIZE); 109 __init_end = .; /* freed after init ends here */ 110 111 BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) 112 113 _end = . ; 114 115 /* Debugging sections. */ 116 STABS_DEBUG 117 DWARF_DEBUG 118 119 /* Sections to be discarded */ 120 DISCARDS 121} 122