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 _etext = .; /* End of text section */ 48 49 NOTES :text :note 50 51 .dummy : { *(.dummy) } :data 52 53 RO_DATA_SECTION(PAGE_SIZE) 54 55#ifdef CONFIG_SHARED_KERNEL 56 . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ 57#endif 58 59 . = ALIGN(PAGE_SIZE); 60 _eshared = .; /* End of shareable data */ 61 _sdata = .; /* Start of data section */ 62 63 . = ALIGN(PAGE_SIZE); 64 __start_ro_after_init = .; 65 __start_data_ro_after_init = .; 66 .data..ro_after_init : { 67 *(.data..ro_after_init) 68 } 69 __end_data_ro_after_init = .; 70 EXCEPTION_TABLE(16) 71 . = ALIGN(PAGE_SIZE); 72 __end_ro_after_init = .; 73 74 RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) 75 76 _edata = .; /* End of data section */ 77 78 /* will be freed after init */ 79 . = ALIGN(PAGE_SIZE); /* Init code and data */ 80 __init_begin = .; 81 82 INIT_TEXT_SECTION(PAGE_SIZE) 83 84 /* 85 * .exit.text is discarded at runtime, not link time, 86 * to deal with references from __bug_table 87 */ 88 .exit.text : { 89 EXIT_TEXT 90 } 91 92 .exit.data : { 93 EXIT_DATA 94 } 95 96 /* early.c uses stsi, which requires page aligned data. */ 97 . = ALIGN(PAGE_SIZE); 98 INIT_DATA_SECTION(0x100) 99 100 PERCPU_SECTION(0x100) 101 . = ALIGN(PAGE_SIZE); 102 __init_end = .; /* freed after init ends here */ 103 104 BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) 105 106 _end = . ; 107 108 /* Debugging sections. */ 109 STABS_DEBUG 110 DWARF_DEBUG 111 112 /* Sections to be discarded */ 113 DISCARDS 114} 115