1 /* Script for ld --shared: link shared library */ 2 /* Copyright (C) 2014 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. */ 6 OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64", 7 "elf64-littleaarch64") 8 OUTPUT_ARCH(aarch64) 9 ENTRY(_start) 10 SECTIONS 11 { 12 /* Read-only sections, merged into text segment: */ 13 . = 0 + SIZEOF_HEADERS; 14 .note.gnu.build-id : { *(.note.gnu.build-id) } 15 .hash : { *(.hash) } 16 .gnu.hash : { *(.gnu.hash) } 17 .dynsym : { *(.dynsym) } 18 .dynstr : { *(.dynstr) } 19 .gnu.version : { *(.gnu.version) } 20 .gnu.version_d : { *(.gnu.version_d) } 21 .gnu.version_r : { *(.gnu.version_r) } 22 .rela.init : { *(.rela.init) } 23 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } 24 .rela.fini : { *(.rela.fini) } 25 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 26 .rela.data.rel.ro : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) } 27 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 28 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } 29 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } 30 .rela.ctors : { *(.rela.ctors) } 31 .rela.dtors : { *(.rela.dtors) } 32 .rela.got : { *(.rela.got) } 33 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 34 .rela.ifunc : { *(.rela.ifunc) } 35 .rela.plt : 36 { 37 *(.rela.plt) 38 *(.rela.iplt) 39 } 40 .init : 41 { 42 KEEP (*(SORT_NONE(.init))) 43 } =0 44 .plt : ALIGN(16) { *(.plt) *(.iplt) } 45 .text : 46 { 47 *(.text.unlikely .text.*_unlikely .text.unlikely.*) 48 *(.text.exit .text.exit.*) 49 *(.text.startup .text.startup.*) 50 *(.text.hot .text.hot.*) 51 *(.text .stub .text.* .gnu.linkonce.t.*) 52 /* .gnu.warning sections are handled specially by elf32.em. */ 53 *(.gnu.warning) 54 } =0 55 .fini : 56 { 57 KEEP (*(SORT_NONE(.fini))) 58 } =0 59 PROVIDE (__etext = .); 60 PROVIDE (_etext = .); 61 PROVIDE (etext = .); 62 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 63 .rodata1 : { *(.rodata1) } 64 .eh_frame_hdr : { *(.eh_frame_hdr) } 65 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 66 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table 67 .gcc_except_table.*) } 68 /* These sections are generated by the Sun/Oracle C++ compiler. */ 69 .exception_ranges : ONLY_IF_RO { *(.exception_ranges 70 .exception_ranges*) } 71 /* Adjust the address for the data segment. For 32 bits we want to align 72 at exactly a page boundary to make life easier for apriori. */ 73 . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 74 /* Exception handling */ 75 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 76 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 77 .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } 78 /* Thread Local Storage sections */ 79 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 80 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 81 /* Ensure the __preinit_array_start label is properly aligned. We 82 could instead move the label definition inside the section, but 83 the linker would then create the section even if it turns out to 84 be empty, which isn't pretty. */ 85 . = ALIGN(64 / 8); 86 .preinit_array : 87 { 88 KEEP (*(.preinit_array)) 89 } 90 .init_array : 91 { 92 KEEP (*crtbegin*.o(.init_array)) 93 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) 94 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors)) 95 } 96 .fini_array : 97 { 98 KEEP (*crtbegin*.o(.fini_array)) 99 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) 100 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors)) 101 } 102 .ctors : 103 { 104 /* gcc uses crtbegin.o to find the start of 105 the constructors, so we make sure it is 106 first. Because this is a wildcard, it 107 doesn't matter if the user does not 108 actually link against crtbegin.o; the 109 linker won't look for a file to match a 110 wildcard. The wildcard also means that it 111 doesn't matter which directory crtbegin.o 112 is in. */ 113 KEEP (*crtbegin.o(.ctors)) 114 KEEP (*crtbegin*.o(.ctors)) 115 /* We don't want to include the .ctor section from 116 the crtend.o file until after the sorted ctors. 117 The .ctor section from the crtend file contains the 118 end of ctors marker and it must be last */ 119 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors)) 120 KEEP (*(SORT(.ctors.*))) 121 KEEP (*(.ctors)) 122 } 123 .dtors : 124 { 125 KEEP (*crtbegin.o(.dtors)) 126 KEEP (*crtbegin*.o(.dtors)) 127 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors)) 128 KEEP (*(SORT(.dtors.*))) 129 KEEP (*(.dtors)) 130 } 131 .jcr : { KEEP (*(.jcr)) } 132 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } 133 .dynamic : { *(.dynamic) } 134 .got : { *(.got) *(.igot) } 135 . = DATA_SEGMENT_RELRO_END (24, .); 136 .got.plt : { *(.got.plt) *(.igot.plt) } 137 .data : 138 { 139 PROVIDE (__data_start = .); 140 *(.data .data.* .gnu.linkonce.d.*) 141 SORT(CONSTRUCTORS) 142 } 143 .data1 : { *(.data1) } 144 _edata = .; PROVIDE (edata = .); 145 __bss_start = .; 146 __bss_start__ = .; 147 .bss : 148 { 149 *(.dynbss) 150 *(.bss .bss.* .gnu.linkonce.b.*) 151 *(COMMON) 152 /* Align here to ensure that the .bss section occupies space up to 153 _end. Align after .bss to ensure correct alignment even if the 154 .bss section disappears because there are no input sections. */ 155 . = ALIGN(64 / 8); 156 } 157 _bss_end__ = . ; __bss_end__ = . ; 158 . = ALIGN(64 / 8); 159 . = SEGMENT_START("ldata-segment", .); 160 . = ALIGN(64 / 8); 161 __end__ = . ; 162 _end = .; 163 _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; 164 PROVIDE (end = .); 165 . = DATA_SEGMENT_END (.); 166 /* Stabs debugging sections. */ 167 .stab 0 : { *(.stab) } 168 .stabstr 0 : { *(.stabstr) } 169 .stab.excl 0 : { *(.stab.excl) } 170 .stab.exclstr 0 : { *(.stab.exclstr) } 171 .stab.index 0 : { *(.stab.index) } 172 .stab.indexstr 0 : { *(.stab.indexstr) } 173 .comment 0 : { *(.comment) } 174 /* DWARF debug sections. 175 Symbols in the DWARF debugging sections are relative to the beginning 176 of the section so we begin them at 0. */ 177 /* DWARF 1 */ 178 .debug 0 : { *(.debug) } 179 .line 0 : { *(.line) } 180 /* GNU DWARF 1 extensions */ 181 .debug_srcinfo 0 : { *(.debug_srcinfo) } 182 .debug_sfnames 0 : { *(.debug_sfnames) } 183 /* DWARF 1.1 and DWARF 2 */ 184 .debug_aranges 0 : { *(.debug_aranges) } 185 .debug_pubnames 0 : { *(.debug_pubnames) } 186 /* DWARF 2 */ 187 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 188 .debug_abbrev 0 : { *(.debug_abbrev) } 189 .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } 190 .debug_frame 0 : { *(.debug_frame) } 191 .debug_str 0 : { *(.debug_str) } 192 .debug_loc 0 : { *(.debug_loc) } 193 .debug_macinfo 0 : { *(.debug_macinfo) } 194 /* SGI/MIPS DWARF 2 extensions */ 195 .debug_weaknames 0 : { *(.debug_weaknames) } 196 .debug_funcnames 0 : { *(.debug_funcnames) } 197 .debug_typenames 0 : { *(.debug_typenames) } 198 .debug_varnames 0 : { *(.debug_varnames) } 199 /* DWARF 3 */ 200 .debug_pubtypes 0 : { *(.debug_pubtypes) } 201 .debug_ranges 0 : { *(.debug_ranges) } 202 /* DWARF Extension. */ 203 .debug_macro 0 : { *(.debug_macro) } 204 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) } 205 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 206 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) } 207 } 208