1/* Script for -pie */ 2/* Copyright (C) 2014-2021 Free Software Foundation, Inc. 3 Copying and distribution of this script, with or without modification, 4 are permitted in any medium without royalty provided the copyright 5 notice and this notice are preserved. */ 6OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64", 7 "elf64-littleaarch64") 8OUTPUT_ARCH(aarch64) 9ENTRY(_start) 10SEARCH_DIR("=/aarch64-none-linux-gnu/lib64"); SEARCH_DIR("=/usr/local/lib64"); SEARCH_DIR("=/lib64"); SEARCH_DIR("=/usr/lib64"); SEARCH_DIR("=/aarch64-none-linux-gnu/lib"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib"); 11SECTIONS 12{ 13 /* Read-only sections, merged into text segment: */ 14 PROVIDE (__executable_start = SEGMENT_START("text-segment", 0)); . = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS; 15 .interp : { *(.interp) } 16 .note.gnu.build-id : { *(.note.gnu.build-id) } 17 .hash : { *(.hash) } 18 .gnu.hash : { *(.gnu.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 .rela.init : { *(.rela.init) } 25 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } 26 .rela.fini : { *(.rela.fini) } 27 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 28 .rela.data.rel.ro : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) } 29 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 30 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } 31 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } 32 .rela.ctors : { *(.rela.ctors) } 33 .rela.dtors : { *(.rela.dtors) } 34 .rela.got : { *(.rela.got) } 35 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 36 .rela.ifunc : { *(.rela.ifunc) } 37 .rela.plt : 38 { 39 *(.rela.plt) 40 *(.rela.iplt) 41 } 42 .init : 43 { 44 KEEP (*(SORT_NONE(.init))) 45 } =0x1f2003d5 46 .plt : ALIGN(16) { *(.plt) *(.iplt) } 47 .text : 48 { 49 *(.text.unlikely .text.*_unlikely .text.unlikely.*) 50 *(.text.exit .text.exit.*) 51 *(.text.startup .text.startup.*) 52 *(.text.hot .text.hot.*) 53 *(SORT(.text.sorted.*)) 54 *(.text .stub .text.* .gnu.linkonce.t.*) 55 /* .gnu.warning sections are handled specially by elf.em. */ 56 *(.gnu.warning) 57 } =0x1f2003d5 58 .fini : 59 { 60 KEEP (*(SORT_NONE(.fini))) 61 } =0x1f2003d5 62 PROVIDE (__etext = .); 63 PROVIDE (_etext = .); 64 PROVIDE (etext = .); 65 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 66 .rodata1 : { *(.rodata1) } 67 .eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } 68 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } 69 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } 70 .gnu_extab : ONLY_IF_RO { *(.gnu_extab*) } 71 /* These sections are generated by the Sun/Oracle C++ compiler. */ 72 .exception_ranges : ONLY_IF_RO { *(.exception_ranges*) } 73 /* Adjust the address for the data segment. We want to adjust up to 74 the same address within the page on the next page up. */ 75 . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 76 /* Exception handling */ 77 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) } 78 .gnu_extab : ONLY_IF_RW { *(.gnu_extab) } 79 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 80 .exception_ranges : ONLY_IF_RW { *(.exception_ranges*) } 81 /* Thread Local Storage sections */ 82 .tdata : 83 { 84 PROVIDE_HIDDEN (__tdata_start = .); 85 *(.tdata .tdata.* .gnu.linkonce.td.*) 86 } 87 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 88 .preinit_array : 89 { 90 PROVIDE_HIDDEN (__preinit_array_start = .); 91 KEEP (*(.preinit_array)) 92 PROVIDE_HIDDEN (__preinit_array_end = .); 93 } 94 .init_array : 95 { 96 PROVIDE_HIDDEN (__init_array_start = .); 97 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) 98 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors)) 99 PROVIDE_HIDDEN (__init_array_end = .); 100 } 101 .fini_array : 102 { 103 PROVIDE_HIDDEN (__fini_array_start = .); 104 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) 105 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors)) 106 PROVIDE_HIDDEN (__fini_array_end = .); 107 } 108 .ctors : 109 { 110 /* gcc uses crtbegin.o to find the start of 111 the constructors, so we make sure it is 112 first. Because this is a wildcard, it 113 doesn't matter if the user does not 114 actually link against crtbegin.o; the 115 linker won't look for a file to match a 116 wildcard. The wildcard also means that it 117 doesn't matter which directory crtbegin.o 118 is in. */ 119 KEEP (*crtbegin.o(.ctors)) 120 KEEP (*crtbegin?.o(.ctors)) 121 /* We don't want to include the .ctor section from 122 the crtend.o file until after the sorted ctors. 123 The .ctor section from the crtend file contains the 124 end of ctors marker and it must be last */ 125 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) 126 KEEP (*(SORT(.ctors.*))) 127 KEEP (*(.ctors)) 128 } 129 .dtors : 130 { 131 KEEP (*crtbegin.o(.dtors)) 132 KEEP (*crtbegin?.o(.dtors)) 133 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) 134 KEEP (*(SORT(.dtors.*))) 135 KEEP (*(.dtors)) 136 } 137 .jcr : { KEEP (*(.jcr)) } 138 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } 139 .dynamic : { *(.dynamic) } 140 .got : { *(.got) *(.igot) } 141 . = DATA_SEGMENT_RELRO_END (24, .); 142 .got.plt : { *(.got.plt) *(.igot.plt) } 143 .data : 144 { 145 PROVIDE (__data_start = .); 146 *(.data .data.* .gnu.linkonce.d.*) 147 SORT(CONSTRUCTORS) 148 } 149 .data1 : { *(.data1) } 150 _edata = .; PROVIDE (edata = .); 151 . = .; 152 __bss_start = .; 153 __bss_start__ = .; 154 .bss : 155 { 156 *(.dynbss) 157 *(.bss .bss.* .gnu.linkonce.b.*) 158 *(COMMON) 159 /* Align here to ensure that the .bss section occupies space up to 160 _end. Align after .bss to ensure correct alignment even if the 161 .bss section disappears because there are no input sections. 162 FIXME: Why do we need it? When there is no .bss section, we do not 163 pad the .data section. */ 164 . = ALIGN(. != 0 ? 64 / 8 : 1); 165 } 166 _bss_end__ = .; __bss_end__ = .; 167 . = ALIGN(64 / 8); 168 . = SEGMENT_START("ldata-segment", .); 169 . = ALIGN(64 / 8); 170 __end__ = .; 171 _end = .; PROVIDE (end = .); 172 . = DATA_SEGMENT_END (.); 173 /* Stabs debugging sections. */ 174 .stab 0 : { *(.stab) } 175 .stabstr 0 : { *(.stabstr) } 176 .stab.excl 0 : { *(.stab.excl) } 177 .stab.exclstr 0 : { *(.stab.exclstr) } 178 .stab.index 0 : { *(.stab.index) } 179 .stab.indexstr 0 : { *(.stab.indexstr) } 180 .comment 0 : { *(.comment) } 181 .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } 182 /* DWARF debug sections. 183 Symbols in the DWARF debugging sections are relative to the beginning 184 of the section so we begin them at 0. */ 185 /* DWARF 1. */ 186 .debug 0 : { *(.debug) } 187 .line 0 : { *(.line) } 188 /* GNU DWARF 1 extensions. */ 189 .debug_srcinfo 0 : { *(.debug_srcinfo) } 190 .debug_sfnames 0 : { *(.debug_sfnames) } 191 /* DWARF 1.1 and DWARF 2. */ 192 .debug_aranges 0 : { *(.debug_aranges) } 193 .debug_pubnames 0 : { *(.debug_pubnames) } 194 /* DWARF 2. */ 195 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 196 .debug_abbrev 0 : { *(.debug_abbrev) } 197 .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end) } 198 .debug_frame 0 : { *(.debug_frame) } 199 .debug_str 0 : { *(.debug_str) } 200 .debug_loc 0 : { *(.debug_loc) } 201 .debug_macinfo 0 : { *(.debug_macinfo) } 202 /* SGI/MIPS DWARF 2 extensions. */ 203 .debug_weaknames 0 : { *(.debug_weaknames) } 204 .debug_funcnames 0 : { *(.debug_funcnames) } 205 .debug_typenames 0 : { *(.debug_typenames) } 206 .debug_varnames 0 : { *(.debug_varnames) } 207 /* DWARF 3. */ 208 .debug_pubtypes 0 : { *(.debug_pubtypes) } 209 .debug_ranges 0 : { *(.debug_ranges) } 210 /* DWARF 5. */ 211 .debug_addr 0 : { *(.debug_addr) } 212 .debug_line_str 0 : { *(.debug_line_str) } 213 .debug_loclists 0 : { *(.debug_loclists) } 214 .debug_macro 0 : { *(.debug_macro) } 215 .debug_names 0 : { *(.debug_names) } 216 .debug_rnglists 0 : { *(.debug_rnglists) } 217 .debug_str_offsets 0 : { *(.debug_str_offsets) } 218 .debug_sup 0 : { *(.debug_sup) } 219 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) } 220 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 221 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } 222} 223