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 .stub .text.* .gnu.linkonce.t.*) 52 /* .gnu.warning sections are handled specially by elf32.em. */ 53 *(.gnu.warning) 54 } =0x90909090 55 .fini : 56 { 57 KEEP (*(.fini)) 58 } =0x90909090 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 .gcc_except_table.*) } 67 /* Adjust the address for the data segment. We want to adjust up to 68 the same address within the page on the next page up. */ 69 . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 70 /* Exception handling */ 71 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 72 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 73 /* Thread Local Storage sections */ 74 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 75 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 76 .preinit_array : 77 { 78 PROVIDE_HIDDEN (__preinit_array_start = .); 79 KEEP (*(.preinit_array)) 80 PROVIDE_HIDDEN (__preinit_array_end = .); 81 } 82 .init_array : 83 { 84 PROVIDE_HIDDEN (__init_array_start = .); 85 KEEP (*(SORT(.init_array.*))) 86 KEEP (*(.init_array)) 87 PROVIDE_HIDDEN (__init_array_end = .); 88 } 89 .fini_array : 90 { 91 PROVIDE_HIDDEN (__fini_array_start = .); 92 KEEP (*(.fini_array)) 93 KEEP (*(SORT(.fini_array.*))) 94 PROVIDE_HIDDEN (__fini_array_end = .); 95 } 96 .ctors : 97 { 98 /* gcc uses crtbegin.o to find the start of 99 the constructors, so we make sure it is 100 first. Because this is a wildcard, it 101 doesn't matter if the user does not 102 actually link against crtbegin.o; the 103 linker won't look for a file to match a 104 wildcard. The wildcard also means that it 105 doesn't matter which directory crtbegin.o 106 is in. */ 107 KEEP (*crtbegin.o(.ctors)) 108 KEEP (*crtbegin?.o(.ctors)) 109 /* We don't want to include the .ctor section from 110 the crtend.o file until after the sorted ctors. 111 The .ctor section from the crtend file contains the 112 end of ctors marker and it must be last */ 113 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) 114 KEEP (*(SORT(.ctors.*))) 115 KEEP (*(.ctors)) 116 } 117 .dtors : 118 { 119 KEEP (*crtbegin.o(.dtors)) 120 KEEP (*crtbegin?.o(.dtors)) 121 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) 122 KEEP (*(SORT(.dtors.*))) 123 KEEP (*(.dtors)) 124 } 125 .jcr : { KEEP (*(.jcr)) } 126 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } 127 .dynamic : { *(.dynamic) } 128 .got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) } 129 . = DATA_SEGMENT_RELRO_END (0, .); 130 .data : 131 { 132 *(.data .data.* .gnu.linkonce.d.*) 133 SORT(CONSTRUCTORS) 134 } 135 .data1 : { *(.data1) } 136 _edata = .; PROVIDE (edata = .); 137 __bss_start = .; 138 .bss : 139 { 140 *(.dynbss) 141 *(.bss .bss.* .gnu.linkonce.b.*) 142 *(COMMON) 143 /* Align here to ensure that the .bss section occupies space up to 144 _end. Align after .bss to ensure correct alignment even if the 145 .bss section disappears because there are no input sections. 146 FIXME: Why do we need it? When there is no .bss section, we don't 147 pad the .data section. */ 148 . = ALIGN(. != 0 ? 32 / 8 : 1); 149 } 150 . = ALIGN(32 / 8); 151 . = ALIGN(32 / 8); 152 _end = .; PROVIDE (end = .); 153 . = DATA_SEGMENT_END (.); 154 /* Stabs debugging sections. */ 155 .stab 0 : { *(.stab) } 156 .stabstr 0 : { *(.stabstr) } 157 .stab.excl 0 : { *(.stab.excl) } 158 .stab.exclstr 0 : { *(.stab.exclstr) } 159 .stab.index 0 : { *(.stab.index) } 160 .stab.indexstr 0 : { *(.stab.indexstr) } 161 .comment 0 : { *(.comment) } 162 /* DWARF debug sections. 163 Symbols in the DWARF debugging sections are relative to the beginning 164 of the section so we begin them at 0. */ 165 /* DWARF 1 */ 166 .debug 0 : { *(.debug) } 167 .line 0 : { *(.line) } 168 /* GNU DWARF 1 extensions */ 169 .debug_srcinfo 0 : { *(.debug_srcinfo) } 170 .debug_sfnames 0 : { *(.debug_sfnames) } 171 /* DWARF 1.1 and DWARF 2 */ 172 .debug_aranges 0 : { *(.debug_aranges) } 173 .debug_pubnames 0 : { *(.debug_pubnames) } 174 /* DWARF 2 */ 175 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 176 .debug_abbrev 0 : { *(.debug_abbrev) } 177 .debug_line 0 : { *(.debug_line) } 178 .debug_frame 0 : { *(.debug_frame) } 179 .debug_str 0 : { *(.debug_str) } 180 .debug_loc 0 : { *(.debug_loc) } 181 .debug_macinfo 0 : { *(.debug_macinfo) } 182 /* SGI/MIPS DWARF 2 extensions */ 183 .debug_weaknames 0 : { *(.debug_weaknames) } 184 .debug_funcnames 0 : { *(.debug_funcnames) } 185 .debug_typenames 0 : { *(.debug_typenames) } 186 .debug_varnames 0 : { *(.debug_varnames) } 187 /* DWARF 3 */ 188 .debug_pubtypes 0 : { *(.debug_pubtypes) } 189 .debug_ranges 0 : { *(.debug_ranges) } 190 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 191 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } 192 } 193
