1 /* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */ 2 OUTPUT_FORMAT("elf32-i386", "elf32-i386", 3 "elf32-i386") 4 OUTPUT_ARCH(i386) 5 ENTRY(_start) 6 SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib"); 7 SECTIONS 8 { 9 /* Read-only sections, merged into text segment: */ 10 . = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS; 11 .interp : { *(.interp) } 12 .note.gnu.build-id : { *(.note.gnu.build-id) } 13 .hash : { *(.hash) } 14 .gnu.hash : { *(.gnu.hash) } 15 .dynsym : { *(.dynsym) } 16 .dynstr : { *(.dynstr) } 17 .gnu.version : { *(.gnu.version) } 18 .gnu.version_d : { *(.gnu.version_d) } 19 .gnu.version_r : { *(.gnu.version_r) } 20 .rel.dyn : 21 { 22 *(.rel.init) 23 *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) 24 *(.rel.fini) 25 *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) 26 *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) 27 *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) 28 *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) 29 *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) 30 *(.rel.ctors) 31 *(.rel.dtors) 32 *(.rel.got) 33 *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) 34 *(.rel.ifunc) 35 } 36 .rel.plt : 37 { 38 *(.rel.plt) 39 PROVIDE_HIDDEN (__rel_iplt_start = .); 40 *(.rel.iplt) 41 PROVIDE_HIDDEN (__rel_iplt_end = .); 42 } 43 .init : 44 { 45 KEEP (*(.init)) 46 } =0x90909090 47 .plt : { *(.plt) *(.iplt) } 48 .text : 49 { 50 *(.text.unlikely .text.*_unlikely) 51 *(.text.exit .text.exit.*) 52 *(.text.startup .text.startup.*) 53 *(.text.hot .text.hot.*) 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 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) } 68 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 69 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } 70 /* Adjust the address for the data segment. We want to adjust up to 71 the same address within the page on the next page up. */ 72 . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 73 /* Exception handling */ 74 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 75 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 76 /* Thread Local Storage sections */ 77 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 78 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 79 .preinit_array : 80 { 81 PROVIDE_HIDDEN (__preinit_array_start = .); 82 KEEP (*(.preinit_array)) 83 PROVIDE_HIDDEN (__preinit_array_end = .); 84 } 85 .init_array : 86 { 87 PROVIDE_HIDDEN (__init_array_start = .); 88 KEEP (*(SORT(.init_array.*))) 89 KEEP (*(.init_array)) 90 PROVIDE_HIDDEN (__init_array_end = .); 91 } 92 .fini_array : 93 { 94 PROVIDE_HIDDEN (__fini_array_start = .); 95 KEEP (*(SORT(.fini_array.*))) 96 KEEP (*(.fini_array)) 97 PROVIDE_HIDDEN (__fini_array_end = .); 98 } 99 .ctors : 100 { 101 /* gcc uses crtbegin.o to find the start of 102 the constructors, so we make sure it is 103 first. Because this is a wildcard, it 104 doesn't matter if the user does not 105 actually link against crtbegin.o; the 106 linker won't look for a file to match a 107 wildcard. The wildcard also means that it 108 doesn't matter which directory crtbegin.o 109 is in. */ 110 KEEP (*crtbegin.o(.ctors)) 111 KEEP (*crtbegin?.o(.ctors)) 112 /* We don't want to include the .ctor section from 113 the crtend.o file until after the sorted ctors. 114 The .ctor section from the crtend file contains the 115 end of ctors marker and it must be last */ 116 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) 117 KEEP (*(SORT(.ctors.*))) 118 KEEP (*(.ctors)) 119 } 120 .dtors : 121 { 122 KEEP (*crtbegin.o(.dtors)) 123 KEEP (*crtbegin?.o(.dtors)) 124 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) 125 KEEP (*(SORT(.dtors.*))) 126 KEEP (*(.dtors)) 127 } 128 .jcr : { KEEP (*(.jcr)) } 129 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } 130 .dynamic : { *(.dynamic) } 131 .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } 132 . = DATA_SEGMENT_RELRO_END (0, .); 133 .data : 134 { 135 *(.data .data.* .gnu.linkonce.d.*) 136 SORT(CONSTRUCTORS) 137 } 138 .data1 : { *(.data1) } 139 _edata = .; PROVIDE (edata = .); 140 __bss_start = .; 141 .bss : 142 { 143 *(.dynbss) 144 *(.bss .bss.* .gnu.linkonce.b.*) 145 *(COMMON) 146 /* Align here to ensure that the .bss section occupies space up to 147 _end. Align after .bss to ensure correct alignment even if the 148 .bss section disappears because there are no input sections. 149 FIXME: Why do we need it? When there is no .bss section, we don't 150 pad the .data section. */ 151 . = ALIGN(. != 0 ? 32 / 8 : 1); 152 } 153 . = ALIGN(32 / 8); 154 . = ALIGN(32 / 8); 155 _end = .; PROVIDE (end = .); 156 . = DATA_SEGMENT_END (.); 157 /* Stabs debugging sections. */ 158 .stab 0 : { *(.stab) } 159 .stabstr 0 : { *(.stabstr) } 160 .stab.excl 0 : { *(.stab.excl) } 161 .stab.exclstr 0 : { *(.stab.exclstr) } 162 .stab.index 0 : { *(.stab.index) } 163 .stab.indexstr 0 : { *(.stab.indexstr) } 164 .comment 0 : { *(.comment) } 165 /* DWARF debug sections. 166 Symbols in the DWARF debugging sections are relative to the beginning 167 of the section so we begin them at 0. */ 168 /* DWARF 1 */ 169 .debug 0 : { *(.debug) } 170 .line 0 : { *(.line) } 171 /* GNU DWARF 1 extensions */ 172 .debug_srcinfo 0 : { *(.debug_srcinfo .zdebug_srcinfo) } 173 .debug_sfnames 0 : { *(.debug_sfnames .zdebug_sfnames) } 174 /* DWARF 1.1 and DWARF 2 */ 175 .debug_aranges 0 : { *(.debug_aranges .zdebug_aranges) } 176 .debug_pubnames 0 : { *(.debug_pubnames .zdebug_pubnames) } 177 /* DWARF 2 */ 178 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.* .zdebug_info) } 179 .debug_abbrev 0 : { *(.debug_abbrev .zdebug_abbrev) } 180 .debug_line 0 : { *(.debug_line .zdebug_line) } 181 .debug_frame 0 : { *(.debug_frame .zdebug_frame) } 182 .debug_str 0 : { *(.debug_str .zdebug_str) } 183 .debug_loc 0 : { *(.debug_loc .zdebug_loc) } 184 .debug_macinfo 0 : { *(.debug_macinfo .zdebug_macinfo) } 185 /* SGI/MIPS DWARF 2 extensions */ 186 .debug_weaknames 0 : { *(.debug_weaknames .zdebug_weaknames) } 187 .debug_funcnames 0 : { *(.debug_funcnames .zdebug_funcnames) } 188 .debug_typenames 0 : { *(.debug_typenames .zdebug_typenames) } 189 .debug_varnames 0 : { *(.debug_varnames .zdebug_varnames) } 190 /* DWARF 3 */ 191 .debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) } 192 .debug_ranges 0 : { *(.debug_ranges .zdebug_ranges) } 193 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 194 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } 195 } 196