1/* 2 * ld script to make SuperH Linux kernel 3 * Written by Niibe Yutaka and Paul Mundt 4 */ 5#ifdef CONFIG_SUPERH64 6#define LOAD_OFFSET CONFIG_PAGE_OFFSET 7OUTPUT_ARCH(sh:sh5) 8#else 9#define LOAD_OFFSET 0 10OUTPUT_ARCH(sh) 11#endif 12 13#include <asm/thread_info.h> 14#include <asm/cache.h> 15#include <asm-generic/vmlinux.lds.h> 16 17ENTRY(_start) 18SECTIONS 19{ 20#ifdef CONFIG_PMB_FIXED 21 . = CONFIG_PAGE_OFFSET + (CONFIG_MEMORY_START & 0x1fffffff) + 22 CONFIG_ZERO_PAGE_OFFSET; 23#elif defined(CONFIG_32BIT) 24 . = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET; 25#else 26 . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET; 27#endif 28 29 _text = .; /* Text and read-only data */ 30 31 .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) { 32 *(.empty_zero_page) 33 } = 0 34 35 .text : AT(ADDR(.text) - LOAD_OFFSET) { 36 HEAD_TEXT 37 TEXT_TEXT 38 39#ifdef CONFIG_SUPERH64 40 *(.text64) 41 *(.text..SHmedia32) 42#endif 43 44 SCHED_TEXT 45 LOCK_TEXT 46 KPROBES_TEXT 47 IRQENTRY_TEXT 48 *(.fixup) 49 *(.gnu.warning) 50 _etext = .; /* End of text section */ 51 } = 0x0009 52 53 EXCEPTION_TABLE(16) 54 55 NOTES 56 RO_DATA(PAGE_SIZE) 57 58 /* 59 * Code which must be executed uncached and the associated data 60 */ 61 . = ALIGN(PAGE_SIZE); 62 .uncached : AT(ADDR(.uncached) - LOAD_OFFSET) { 63 __uncached_start = .; 64 *(.uncached.text) 65 *(.uncached.data) 66 __uncached_end = .; 67 } 68 69 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 70 71 _edata = .; /* End of data section */ 72 73 . = ALIGN(PAGE_SIZE); /* Init code and data */ 74 __init_begin = .; 75 INIT_TEXT_SECTION(PAGE_SIZE) 76 INIT_DATA_SECTION(16) 77 78 . = ALIGN(4); 79 .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) { 80 __machvec_start = .; 81 *(.machvec.init) 82 __machvec_end = .; 83 } 84 85 PERCPU(PAGE_SIZE) 86 87 /* 88 * .exit.text is discarded at runtime, not link time, to deal with 89 * references from __bug_table 90 */ 91 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT } 92 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA } 93 94 . = ALIGN(PAGE_SIZE); 95 __init_end = .; 96 BSS_SECTION(0, PAGE_SIZE, 4) 97 _ebss = .; /* uClinux MTD sucks */ 98 _end = . ; 99 100 /* 101 * When something in the kernel is NOT compiled as a module, the 102 * module cleanup code and data are put into these segments. Both 103 * can then be thrown away, as cleanup code is never called unless 104 * it's a module. 105 */ 106 /DISCARD/ : { 107 EXIT_CALL 108 } 109 110 STABS_DEBUG 111 DWARF_DEBUG 112} 113