1 /* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */ 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("elf32-littlearm", "elf32-bigarm", 7 "elf32-littlearm") 8 OUTPUT_ARCH(arm) 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 .rel.dyn : 23 { 24 *(.rel.init) 25 *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) 26 *(.rel.fini) 27 *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) 28 *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) 29 *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) 30 *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) 31 *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) 32 *(.rel.ctors) 33 *(.rel.dtors) 34 *(.rel.got) 35 *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) 36 *(.rel.iplt) 37 } 38 .rela.dyn : 39 { 40 *(.rela.init) 41 *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) 42 *(.rela.fini) 43 *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) 44 *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) 45 *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) 46 *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) 47 *(.rela.ctors) 48 *(.rela.dtors) 49 *(.rela.got) 50 *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) 51 *(.rela.iplt) 52 } 53 .rel.plt : 54 { 55 *(.rel.plt) 56 } 57 .rela.plt : 58 { 59 *(.rela.plt) 60 } 61 .init : 62 { 63 KEEP (*(SORT_NONE(.init))) 64 } 65 .plt : { *(.plt) } 66 .iplt : { *(.iplt) } 67 .text : 68 { 69 *(.text.unlikely .text.*_unlikely .text.unlikely.*) 70 *(.text.exit .text.exit.*) 71 *(.text.startup .text.startup.*) 72 *(.text.hot .text.hot.*) 73 *(.text .stub .text.* .gnu.linkonce.t.*) 74 /* .gnu.warning sections are handled specially by elf32.em. */ 75 *(.gnu.warning) 76 *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx) 77 } 78 .fini : 79 { 80 KEEP (*(SORT_NONE(.fini))) 81 } 82 PROVIDE (__etext = .); 83 PROVIDE (_etext = .); 84 PROVIDE (etext = .); 85 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 86 .rodata1 : { *(.rodata1) } 87 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } 88 PROVIDE_HIDDEN (__exidx_start = .); 89 .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } 90 PROVIDE_HIDDEN (__exidx_end = .); 91 .eh_frame_hdr : { *(.eh_frame_hdr) } 92 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 93 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table 94 .gcc_except_table.*) } 95 /* These sections are generated by the Sun/Oracle C++ compiler. */ 96 .exception_ranges : ONLY_IF_RO { *(.exception_ranges 97 .exception_ranges*) } 98 /* Adjust the address for the data segment. For 32 bits we want to align 99 at exactly a page boundary to make life easier for apriori. */ 100 . = ALIGN (CONSTANT (MAXPAGESIZE)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 101 /* Exception handling */ 102 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 103 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 104 .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } 105 /* Thread Local Storage sections */ 106 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 107 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 108 /* Ensure the __preinit_array_start label is properly aligned. We 109 could instead move the label definition inside the section, but 110 the linker would then create the section even if it turns out to 111 be empty, which isn't pretty. */ 112 . = ALIGN(32 / 8); 113 .preinit_array : 114 { 115 KEEP (*(.preinit_array)) 116 } 117 .init_array : 118 { 119 KEEP (*crtbegin*.o(.init_array)) 120 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) 121 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors)) 122 } 123 .fini_array : 124 { 125 KEEP (*crtbegin*.o(.fini_array)) 126 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) 127 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors)) 128 } 129 .ctors : 130 { 131 /* gcc uses crtbegin.o to find the start of 132 the constructors, so we make sure it is 133 first. Because this is a wildcard, it 134 doesn't matter if the user does not 135 actually link against crtbegin.o; the 136 linker won't look for a file to match a 137 wildcard. The wildcard also means that it 138 doesn't matter which directory crtbegin.o 139 is in. */ 140 KEEP (*crtbegin.o(.ctors)) 141 KEEP (*crtbegin*.o(.ctors)) 142 /* We don't want to include the .ctor section from 143 the crtend.o file until after the sorted ctors. 144 The .ctor section from the crtend file contains the 145 end of ctors marker and it must be last */ 146 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors)) 147 KEEP (*(SORT(.ctors.*))) 148 KEEP (*(.ctors)) 149 } 150 .dtors : 151 { 152 KEEP (*crtbegin.o(.dtors)) 153 KEEP (*crtbegin*.o(.dtors)) 154 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors)) 155 KEEP (*(SORT(.dtors.*))) 156 KEEP (*(.dtors)) 157 } 158 .jcr : { KEEP (*(.jcr)) } 159 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } 160 .dynamic : { *(.dynamic) } 161 .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } 162 . = DATA_SEGMENT_RELRO_END (0, .); 163 .data : 164 { 165 PROVIDE (__data_start = .); 166 *(.data .data.* .gnu.linkonce.d.*) 167 SORT(CONSTRUCTORS) 168 } 169 .data1 : { *(.data1) } 170 _edata = .; PROVIDE (edata = .); 171 __bss_start = .; 172 __bss_start__ = .; 173 .bss : 174 { 175 *(.dynbss) 176 *(.bss .bss.* .gnu.linkonce.b.*) 177 *(COMMON) 178 /* Align here to ensure that the .bss section occupies space up to 179 _end. Align after .bss to ensure correct alignment even if the 180 .bss section disappears because there are no input sections. */ 181 . = ALIGN(32 / 8); 182 } 183 _bss_end__ = . ; __bss_end__ = . ; 184 . = ALIGN(32 / 8); 185 . = SEGMENT_START("ldata-segment", .); 186 . = ALIGN(32 / 8); 187 __end__ = . ; 188 _end = .; 189 _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; 190 PROVIDE (end = .); 191 . = DATA_SEGMENT_END (.); 192 /* Stabs debugging sections. */ 193 .stab 0 : { *(.stab) } 194 .stabstr 0 : { *(.stabstr) } 195 .stab.excl 0 : { *(.stab.excl) } 196 .stab.exclstr 0 : { *(.stab.exclstr) } 197 .stab.index 0 : { *(.stab.index) } 198 .stab.indexstr 0 : { *(.stab.indexstr) } 199 .comment 0 : { *(.comment) } 200 /* DWARF debug sections. 201 Symbols in the DWARF debugging sections are relative to the beginning 202 of the section so we begin them at 0. */ 203 /* DWARF 1 */ 204 .debug 0 : { *(.debug) } 205 .line 0 : { *(.line) } 206 /* GNU DWARF 1 extensions */ 207 .debug_srcinfo 0 : { *(.debug_srcinfo) } 208 .debug_sfnames 0 : { *(.debug_sfnames) } 209 /* DWARF 1.1 and DWARF 2 */ 210 .debug_aranges 0 : { *(.debug_aranges) } 211 .debug_pubnames 0 : { *(.debug_pubnames) } 212 /* DWARF 2 */ 213 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 214 .debug_abbrev 0 : { *(.debug_abbrev) } 215 .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } 216 .debug_frame 0 : { *(.debug_frame) } 217 .debug_str 0 : { *(.debug_str) } 218 .debug_loc 0 : { *(.debug_loc) } 219 .debug_macinfo 0 : { *(.debug_macinfo) } 220 /* SGI/MIPS DWARF 2 extensions */ 221 .debug_weaknames 0 : { *(.debug_weaknames) } 222 .debug_funcnames 0 : { *(.debug_funcnames) } 223 .debug_typenames 0 : { *(.debug_typenames) } 224 .debug_varnames 0 : { *(.debug_varnames) } 225 /* DWARF 3 */ 226 .debug_pubtypes 0 : { *(.debug_pubtypes) } 227 .debug_ranges 0 : { *(.debug_ranges) } 228 /* DWARF Extension. */ 229 .debug_macro 0 : { *(.debug_macro) } 230 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 231 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 232 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) } 233 } 234