1/* $NetBSD: kern.ldscript,v 1.1 2003/04/26 18:39:35 fvdl Exp $ */ 2 3/* 4 * Kernel linker script for NetBSD/amd64. This script is based on 5 * elf_x86_64.x, but puts _etext after all of the read-only sections. 6 */ 7 8/* Default linker script, for normal executables */ 9OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", 10 "elf64-x86-64") 11OUTPUT_ARCH(i386:x86-64) 12ENTRY(_start) 13 SEARCH_DIR(/usr/local/gnu/x86_64-unknown-netbsd/lib); 14/* Do we need any of these for elf? 15 __DYNAMIC = 0; */ 16SECTIONS 17{ 18 /* Read-only sections, merged into text segment: */ 19 . = 0x400000 + SIZEOF_HEADERS; 20 .interp : { *(.interp) } 21 .hash : { *(.hash) } 22 .dynsym : { *(.dynsym) } 23 .dynstr : { *(.dynstr) } 24 .gnu.version : { *(.gnu.version) } 25 .gnu.version_d : { *(.gnu.version_d) } 26 .gnu.version_r : { *(.gnu.version_r) } 27 .rel.init : { *(.rel.init) } 28 .rela.init : { *(.rela.init) } 29 .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } 30 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } 31 .rel.fini : { *(.rel.fini) } 32 .rela.fini : { *(.rela.fini) } 33 .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } 34 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 35 .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } 36 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 37 .rel.ctors : { *(.rel.ctors) } 38 .rela.ctors : { *(.rela.ctors) } 39 .rel.dtors : { *(.rel.dtors) } 40 .rela.dtors : { *(.rela.dtors) } 41 .rel.got : { *(.rel.got) } 42 .rela.got : { *(.rela.got) } 43 .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } 44 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 45 .rel.plt : { *(.rel.plt) } 46 .rela.plt : { *(.rela.plt) } 47 .init : 48 { 49 KEEP (*(.init)) 50 } =0x90909090 51 .plt : { *(.plt) } 52 .text : 53 { 54 *(.text .stub .text.* .gnu.linkonce.t.*) 55 /* .gnu.warning sections are handled specially by elf32.em. */ 56 *(.gnu.warning) 57 } =0x90909090 58 .fini : 59 { 60 KEEP (*(.fini)) 61 } =0x90909090 62 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 63 .rodata1 : { *(.rodata1) } 64 .eh_frame_hdr : { *(.eh_frame_hdr) } 65 PROVIDE (__etext = .); 66 PROVIDE (_etext = .); 67 PROVIDE (etext = .); 68 /* Adjust the address for the data segment. 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The wildcard also means that it 89 doesn't matter which directory crtbegin.o 90 is in. */ 91 KEEP (*crtbegin.o(.ctors)) 92 /* We don't want to include the .ctor section from 93 from the crtend.o file until after the sorted ctors. 94 The .ctor section from the crtend file contains the 95 end of ctors marker and it must be last */ 96 KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) 97 KEEP (*(SORT(.ctors.*))) 98 KEEP (*(.ctors)) 99 } 100 .dtors : 101 { 102 KEEP (*crtbegin.o(.dtors)) 103 KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) 104 KEEP (*(SORT(.dtors.*))) 105 KEEP (*(.dtors)) 106 } 107 .jcr : { KEEP (*(.jcr)) } 108 .got : { *(.got.plt) *(.got) } 109 _edata = .; 110 PROVIDE (edata = .); 111 __bss_start = .; 112 .bss : 113 { 114 *(.dynbss) 115 *(.bss .bss.* .gnu.linkonce.b.*) 116 *(COMMON) 117 /* Align here to ensure that the .bss section occupies space up to 118 _end. Align after .bss to ensure correct alignment even if the 119 .bss section disappears because there are no input sections. */ 120 . = ALIGN(64 / 8); 121 } 122 . = ALIGN(64 / 8); 123 _end = .; 124 PROVIDE (end = .); 125 /* Stabs debugging sections. */ 126 .stab 0 : { *(.stab) } 127 .stabstr 0 : { *(.stabstr) } 128 .stab.excl 0 : { *(.stab.excl) } 129 .stab.exclstr 0 : { *(.stab.exclstr) } 130 .stab.index 0 : { *(.stab.index) } 131 .stab.indexstr 0 : { *(.stab.indexstr) } 132 .comment 0 : { *(.comment) } 133 /* DWARF debug sections. 134 Symbols in the DWARF debugging sections are relative to the beginning 135 of the section so we begin them at 0. */ 136 /* DWARF 1 */ 137 .debug 0 : { *(.debug) } 138 .line 0 : { *(.line) } 139 /* GNU DWARF 1 extensions */ 140 .debug_srcinfo 0 : { *(.debug_srcinfo) } 141 .debug_sfnames 0 : { *(.debug_sfnames) } 142 /* DWARF 1.1 and DWARF 2 */ 143 .debug_aranges 0 : { *(.debug_aranges) } 144 .debug_pubnames 0 : { *(.debug_pubnames) } 145 /* DWARF 2 */ 146 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 147 .debug_abbrev 0 : { *(.debug_abbrev) } 148 .debug_line 0 : { *(.debug_line) } 149 .debug_frame 0 : { *(.debug_frame) } 150 .debug_str 0 : { *(.debug_str) } 151 .debug_loc 0 : { *(.debug_loc) } 152 .debug_macinfo 0 : { *(.debug_macinfo) } 153 /* SGI/MIPS DWARF 2 extensions */ 154 .debug_weaknames 0 : { *(.debug_weaknames) } 155 .debug_funcnames 0 : { *(.debug_funcnames) } 156 .debug_typenames 0 : { *(.debug_typenames) } 157 .debug_varnames 0 : { *(.debug_varnames) } 158} 159