1 /* $NetBSD: kern.ldscript,v 1.13 2015/08/21 02:35:52 uebayasi Exp $ */ 2 3 /* 4 * Kernel linker script for NetBSD/sparc64. This script is based on 5 * elf64_sparc.xn, but puts _etext after all of the read-only sections. 6 */ 7 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", 8 "elf64-sparc") 9 OUTPUT_ARCH(sparc:v9) 10 ENTRY(_start) 11 /* Do we need any of these for elf? 12 __DYNAMIC = 0; */ 13 SECTIONS 14 { 15 /* Read-only sections, merged into text segment: */ 16 . = 0x100000 + SIZEOF_HEADERS; 17 .interp : { *(.interp) } 18 .hash : { *(.hash) } 19 .dynsym : { *(.dynsym) } 20 .dynstr : { *(.dynstr) } 21 .gnu.version : { *(.gnu.version) } 22 .gnu.version_d : { *(.gnu.version_d) } 23 .gnu.version_r : { *(.gnu.version_r) } 24 .rel.text : 25 { *(.rel.text) *(.rel.gnu.linkonce.t*) } 26 .rela.text : 27 { *(.rela.text) *(.rela.gnu.linkonce.t*) } 28 .rel.data : 29 { *(.rel.data) *(.rel.gnu.linkonce.d*) } 30 .rela.data : 31 { *(.rela.data) *(.rela.gnu.linkonce.d*) } 32 .rel.rodata : 33 { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } 34 .rela.rodata : 35 { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } 36 .rel.got : { *(.rel.got) } 37 .rela.got : { *(.rela.got) } 38 .rel.ctors : { *(.rel.ctors) } 39 .rela.ctors : { *(.rela.ctors) } 40 .rel.dtors : { *(.rel.dtors) } 41 .rela.dtors : { *(.rela.dtors) } 42 .rel.init : { *(.rel.init) } 43 .rela.init : { *(.rela.init) } 44 .rel.fini : { *(.rel.fini) } 45 .rela.fini : { *(.rela.fini) } 46 .rel.bss : { *(.rel.bss) } 47 .rela.bss : { *(.rela.bss) } 48 .rel.plt : { *(.rel.plt) } 49 .rela.plt : { *(.rela.plt) } 50 .init : { *(.init) } =0x01000000 51 .text : 52 { 53 *(.text) 54 *(.stub) 55 /* .gnu.warning sections are handled specially by elf32.em. */ 56 *(.gnu.warning) 57 *(.gnu.linkonce.t*) 58 } =0x01000000 59 .fini : { *(.fini) } =0x01000000 60 .rodata : { *(.rodata) *(.gnu.linkonce.r*) } 61 .rodata1 : { *(.rodata1) } 62 _etext = .; 63 PROVIDE (etext = .); 64 /* Adjust the address for the data segment. We push the data segment 65 up to the next 4MB boundary so that we can map the text with large 66 pages. */ 67 . = ALIGN(0x400000); 68 kernel_data_start = .; 69 .data : 70 { 71 *(.data) 72 *(.gnu.linkonce.d*) 73 CONSTRUCTORS 74 } 75 .data1 : { *(.data1) } 76 . = ALIGN(64); /* COHERENCY_UNIT */ 77 .data.cacheline_aligned : { *(.data.cacheline_aligned) } 78 . = ALIGN(64); /* COHERENCY_UNIT */ 79 .data.read_mostly : { *(.data.read_mostly) } 80 . = ALIGN(64); /* COHERENCY_UNIT */ 81 .ctors : 82 { 83 *(.ctors) 84 } 85 .dtors : 86 { 87 *(.dtors) 88 } 89 .plt : { *(.plt) } 90 .got : { *(.got.plt) *(.got) } 91 .dynamic : { *(.dynamic) } 92 /* We want the small data sections together, so single-instruction offsets 93 can access them all, and initialized data all before uninitialized, so 94 we can shorten the on-disk segment size. */ 95 .sdata : { *(.sdata) } 96 _edata = .; 97 PROVIDE (edata = .); 98 __bss_start = .; 99 .sbss : { *(.sbss) *(.scommon) } 100 .bss : 101 { 102 *(.dynbss) 103 *(.bss) 104 *(COMMON) 105 } 106 . = ALIGN(64 / 8); 107 _end = . ; 108 PROVIDE (end = .); 109 /* Stabs debugging sections. */ 110 .stab 0 : { *(.stab) } 111 .stabstr 0 : { *(.stabstr) } 112 .stab.excl 0 : { *(.stab.excl) } 113 .stab.exclstr 0 : { *(.stab.exclstr) } 114 .stab.index 0 : { *(.stab.index) } 115 .stab.indexstr 0 : { *(.stab.indexstr) } 116 .comment 0 : { *(.comment) } 117 /* DWARF debug sections. 118 Symbols in the DWARF debugging sections are relative to the beginning 119 of the section so we begin them at 0. */ 120 /* DWARF 1 */ 121 .debug 0 : { *(.debug) } 122 .line 0 : { *(.line) } 123 /* GNU DWARF 1 extensions */ 124 .debug_srcinfo 0 : { *(.debug_srcinfo) } 125 .debug_sfnames 0 : { *(.debug_sfnames) } 126 /* DWARF 1.1 and DWARF 2 */ 127 .debug_aranges 0 : { *(.debug_aranges) } 128 .debug_pubnames 0 : { *(.debug_pubnames) } 129 /* DWARF 2 */ 130 .debug_info 0 : { *(.debug_info) } 131 .debug_abbrev 0 : { *(.debug_abbrev) } 132 .debug_line 0 : { *(.debug_line) } 133 .debug_frame 0 : { *(.debug_frame) } 134 .debug_str 0 : { *(.debug_str) } 135 .debug_loc 0 : { *(.debug_loc) } 136 .debug_macinfo 0 : { *(.debug_macinfo) } 137 /* SGI/MIPS DWARF 2 extensions */ 138 .debug_weaknames 0 : { *(.debug_weaknames) } 139 .debug_funcnames 0 : { *(.debug_funcnames) } 140 .debug_typenames 0 : { *(.debug_typenames) } 141 .debug_varnames 0 : { *(.debug_varnames) } 142 /* These must appear regardless of . */ 143 .note.netbsd.ident : 144 { 145 KEEP(*(.note.netbsd.ident)); 146 } 147 } 148