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 LOCK_TEXT 39 KPROBES_TEXT 40 IRQENTRY_TEXT 41 SOFTIRQENTRY_TEXT 42 *(.fixup) 43 *(.gnu.warning) 44 } :text = 0x0700 45 46 _etext = .; /* End of text section */ 47 48 NOTES :text :note 49 50 .dummy : { *(.dummy) } :data 51 52 RO_DATA_SECTION(PAGE_SIZE) 53 54#ifdef CONFIG_SHARED_KERNEL 55 . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ 56#endif 57 58 . = ALIGN(PAGE_SIZE); 59 _eshared = .; /* End of shareable data */ 60 _sdata = .; /* Start of data section */ 61 62 . = ALIGN(PAGE_SIZE); 63 __start_ro_after_init = .; 64 .data..ro_after_init : { 65 *(.data..ro_after_init) 66 } 67 EXCEPTION_TABLE(16) 68 . = ALIGN(PAGE_SIZE); 69 __end_ro_after_init = .; 70 71 RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) 72 73 _edata = .; /* End of data section */ 74 75 /* will be freed after init */ 76 . = ALIGN(PAGE_SIZE); /* Init code and data */ 77 __init_begin = .; 78 79 INIT_TEXT_SECTION(PAGE_SIZE) 80 81 /* 82 * .exit.text is discarded at runtime, not link time, 83 * to deal with references from __bug_table 84 */ 85 .exit.text : { 86 EXIT_TEXT 87 } 88 89 .exit.data : { 90 EXIT_DATA 91 } 92 93 /* early.c uses stsi, which requires page aligned data. */ 94 . = ALIGN(PAGE_SIZE); 95 INIT_DATA_SECTION(0x100) 96 97 PERCPU_SECTION(0x100) 98 . = ALIGN(PAGE_SIZE); 99 __init_end = .; /* freed after init ends here */ 100 101 BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) 102 103 _end = . ; 104 105 /* Debugging sections. */ 106 STABS_DEBUG 107 DWARF_DEBUG 108 109 /* Sections to be discarded */ 110 DISCARDS 111} 112