1 /* Default linker script, for normal executables */ 2 /* Modified for Android. */ 3 /* Copyright (C) 2014 Free Software Foundation, Inc. 4 Copying and distribution of this script, with or without modification, 5 are permitted in any medium without royalty provided the copyright 6 notice and this notice are preserved. */ 7 OUTPUT_FORMAT("elf32-bigarm", "elf32-bigarm", 8 "elf32-littlearm") 9 OUTPUT_ARCH(arm) 10 ENTRY(_start) 11 SECTIONS 12 { 13 /* Read-only sections, merged into text segment: */ 14 PROVIDE (__executable_start = 0x00010000); . = 0x00010000 + 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 .rel.init : { *(.rel.init) } 25 .rela.init : { *(.rela.init) } 26 .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } 27 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } 28 .rel.fini : { *(.rel.fini) } 29 .rela.fini : { *(.rela.fini) } 30 .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } 31 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 32 .rel.data.rel.ro : { *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) } 33 .rela.data.rel.ro : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) } 34 .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } 35 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 36 .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } 37 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } 38 .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } 39 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } 40 .rel.ctors : { *(.rel.ctors) } 41 .rela.ctors : { *(.rela.ctors) } 42 .rel.dtors : { *(.rel.dtors) } 43 .rela.dtors : { *(.rela.dtors) } 44 .rel.got : { *(.rel.got) } 45 .rela.got : { *(.rela.got) } 46 .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } 47 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 48 .rel.iplt : 49 { 50 PROVIDE_HIDDEN (__rel_iplt_start = .); 51 *(.rel.iplt) 52 PROVIDE_HIDDEN (__rel_iplt_end = .); 53 } 54 .rela.iplt : 55 { 56 PROVIDE_HIDDEN (__rela_iplt_start = .); 57 *(.rela.iplt) 58 PROVIDE_HIDDEN (__rela_iplt_end = .); 59 } 60 .rel.plt : 61 { 62 *(.rel.plt) 63 } 64 .rela.plt : 65 { 66 *(.rela.plt) 67 } 68 .init : 69 { 70 KEEP (*(SORT_NONE(.init))) 71 } 72 .plt : { *(.plt) } 73 .iplt : { *(.iplt) } 74 .text : 75 { 76 *(.text.unlikely .text.*_unlikely .text.unlikely.*) 77 *(.text.exit .text.exit.*) 78 *(.text.startup .text.startup.*) 79 *(.text.hot .text.hot.*) 80 *(.text .stub .text.* .gnu.linkonce.t.*) 81 /* .gnu.warning sections are handled specially by elf32.em. */ 82 *(.gnu.warning) 83 *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx) 84 } 85 .fini : 86 { 87 KEEP (*(SORT_NONE(.fini))) 88 } 89 PROVIDE (__etext = .); 90 PROVIDE (_etext = .); 91 PROVIDE (etext = .); 92 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 93 .rodata1 : { *(.rodata1) } 94 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } 95 PROVIDE_HIDDEN (__exidx_start = .); 96 .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } 97 PROVIDE_HIDDEN (__exidx_end = .); 98 .eh_frame_hdr : { *(.eh_frame_hdr) } 99 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 100 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table 101 .gcc_except_table.*) } 102 /* These sections are generated by the Sun/Oracle C++ compiler. */ 103 .exception_ranges : ONLY_IF_RO { *(.exception_ranges 104 .exception_ranges*) } 105 /* Adjust the address for the data segment. For 32 bits we want to align 106 at exactly a page boundary to make life easier for apriori. */ 107 . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 108 /* Exception handling */ 109 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 110 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 111 .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } 112 /* Thread Local Storage sections */ 113 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 114 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 115 /* Ensure the __preinit_array_start label is properly aligned. We 116 could instead move the label definition inside the section, but 117 the linker would then create the section even if it turns out to 118 be empty, which isn't pretty. */ 119 . = ALIGN(32 / 8); 120 PROVIDE_HIDDEN (__preinit_array_start = .); 121 .preinit_array : 122 { 123 KEEP (*(.preinit_array)) 124 } 125 PROVIDE_HIDDEN (__preinit_array_end = .); 126 PROVIDE_HIDDEN (__init_array_start = .); 127 .init_array : 128 { 129 KEEP (*crtbegin*.o(.init_array)) 130 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) 131 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors)) 132 } 133 PROVIDE_HIDDEN (__init_array_end = .); 134 PROVIDE_HIDDEN (__fini_array_start = .); 135 .fini_array : 136 { 137 KEEP (*crtbegin*.o(.fini_array)) 138 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) 139 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors)) 140 } 141 PROVIDE_HIDDEN (__fini_array_end = .); 142 .ctors : 143 { 144 /* gcc uses crtbegin.o to find the start of 145 the constructors, so we make sure it is 146 first. Because this is a wildcard, it 147 doesn't matter if the user does not 148 actually link against crtbegin.o; the 149 linker won't look for a file to match a 150 wildcard. The wildcard also means that it 151 doesn't matter which directory crtbegin.o 152 is in. */ 153 KEEP (*crtbegin.o(.ctors)) 154 KEEP (*crtbegin*.o(.ctors)) 155 /* We don't want to include the .ctor section from 156 the crtend.o file until after the sorted ctors. 157 The .ctor section from the crtend file contains the 158 end of ctors marker and it must be last */ 159 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors)) 160 KEEP (*(SORT(.ctors.*))) 161 KEEP (*(.ctors)) 162 } 163 .dtors : 164 { 165 KEEP (*crtbegin.o(.dtors)) 166 KEEP (*crtbegin*.o(.dtors)) 167 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors)) 168 KEEP (*(SORT(.dtors.*))) 169 KEEP (*(.dtors)) 170 } 171 .jcr : { KEEP (*(.jcr)) } 172 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } 173 .dynamic : { *(.dynamic) } 174 . = DATA_SEGMENT_RELRO_END (0, .); 175 .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } 176 .data : 177 { 178 PROVIDE (__data_start = .); 179 *(.data .data.* .gnu.linkonce.d.*) 180 SORT(CONSTRUCTORS) 181 } 182 .data1 : { *(.data1) } 183 _edata = .; PROVIDE (edata = .); 184 __bss_start = .; 185 __bss_start__ = .; 186 .bss : 187 { 188 *(.dynbss) 189 *(.bss .bss.* .gnu.linkonce.b.*) 190 *(COMMON) 191 /* Align here to ensure that the .bss section occupies space up to 192 _end. Align after .bss to ensure correct alignment even if the 193 .bss section disappears because there are no input sections. */ 194 . = ALIGN(32 / 8); 195 } 196 _bss_end__ = . ; __bss_end__ = . ; 197 . = ALIGN(32 / 8); 198 . = SEGMENT_START("ldata-segment", .); 199 . = ALIGN(32 / 8); 200 __end__ = . ; 201 _end = .; 202 _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; 203 PROVIDE (end = .); 204 . = DATA_SEGMENT_END (.); 205 /* Stabs debugging sections. */ 206 .stab 0 : { *(.stab) } 207 .stabstr 0 : { *(.stabstr) } 208 .stab.excl 0 : { *(.stab.excl) } 209 .stab.exclstr 0 : { *(.stab.exclstr) } 210 .stab.index 0 : { *(.stab.index) } 211 .stab.indexstr 0 : { *(.stab.indexstr) } 212 .comment 0 : { *(.comment) } 213 /* DWARF debug sections. 214 Symbols in the DWARF debugging sections are relative to the beginning 215 of the section so we begin them at 0. */ 216 /* DWARF 1 */ 217 .debug 0 : { *(.debug) } 218 .line 0 : { *(.line) } 219 /* GNU DWARF 1 extensions */ 220 .debug_srcinfo 0 : { *(.debug_srcinfo) } 221 .debug_sfnames 0 : { *(.debug_sfnames) } 222 /* DWARF 1.1 and DWARF 2 */ 223 .debug_aranges 0 : { *(.debug_aranges) } 224 .debug_pubnames 0 : { *(.debug_pubnames) } 225 /* DWARF 2 */ 226 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 227 .debug_abbrev 0 : { *(.debug_abbrev) } 228 .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } 229 .debug_frame 0 : { *(.debug_frame) } 230 .debug_str 0 : { *(.debug_str) } 231 .debug_loc 0 : { *(.debug_loc) } 232 .debug_macinfo 0 : { *(.debug_macinfo) } 233 /* SGI/MIPS DWARF 2 extensions */ 234 .debug_weaknames 0 : { *(.debug_weaknames) } 235 .debug_funcnames 0 : { *(.debug_funcnames) } 236 .debug_typenames 0 : { *(.debug_typenames) } 237 .debug_varnames 0 : { *(.debug_varnames) } 238 /* DWARF 3 */ 239 .debug_pubtypes 0 : { *(.debug_pubtypes) } 240 .debug_ranges 0 : { *(.debug_ranges) } 241 /* DWARF Extension. */ 242 .debug_macro 0 : { *(.debug_macro) } 243 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 244 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 245 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) } 246 } 247