1 /* Default linker script, for normal executables */ 2 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", 3 "elf32-littlearm") 4 OUTPUT_ARCH(arm) 5 ENTRY(_start) 6 SEARCH_DIR("/usr/local/armdev/arm-elf/lib"); 7 /* Do we need any of these for elf? 8 __DYNAMIC = 0; */ 9 SECTIONS 10 { 11 /* Read-only sections, merged into text segment: */ 12 /* PROVIDE (__executable_start = 0x8000); . = 0x8000; */ 13 . = 0x8000 + SIZEOF_HEADERS; 14 .interp : { *(.interp) } 15 .hash : { *(.hash) } 16 .dynsym : { *(.dynsym) } 17 .dynstr : { *(.dynstr) } 18 .gnu.version : { *(.gnu.version) } 19 .gnu.version_d : { *(.gnu.version_d) } 20 .gnu.version_r : { *(.gnu.version_r) } 21 .rel.init : { *(.rel.init) } 22 .rela.init : { *(.rela.init) } 23 .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } 24 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } 25 .rel.fini : { *(.rel.fini) } 26 .rela.fini : { *(.rela.fini) } 27 .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } 28 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 29 .rel.data.rel.ro : { *(.rel.data.rel.ro*) } 30 .rela.data.rel.ro : { *(.rel.data.rel.ro*) } 31 .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } 32 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 33 .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } 34 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } 35 .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } 36 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } 37 .rel.ctors : { *(.rel.ctors) } 38 .rela.ctors : { *(.rela.ctors) } 39 .rel.dtors : { *(.rel.dtors) } 40 .rela.dtors : { *(.rela.dtors) } 41 .rel.got : { *(.rel.got) } 42 .rela.got : { *(.rela.got) } 43 .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } 44 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 45 .rel.plt : { *(.rel.plt) } 46 .rela.plt : { *(.rela.plt) } 47 .init : 48 { 49 KEEP (*(.init)) 50 } =0 51 .plt : { *(.plt) } 52 .text : 53 { 54 *(.text .stub .text.* .gnu.linkonce.t.*) 55 KEEP (*(.text.*personality*)) 56 /* .gnu.warning sections are handled specially by elf32.em. */ 57 *(.gnu.warning) 58 *(.glue_7t) *(.glue_7) 59 } =0 60 .fini : 61 { 62 KEEP (*(.fini)) 63 } =0 64 PROVIDE (__etext = .); 65 PROVIDE (_etext = .); 66 PROVIDE (etext = .); 67 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 68 .rodata1 : { *(.rodata1) } 69 /* We have to wrap extab and exidx sections with KEEP because we use 70 --gc-sections. */ 71 .ARM.extab : { KEEP (*(.ARM.extab* .gnu.linkonce.armextab.*)) } 72 __exidx_start = .; 73 .ARM.exidx : { KEEP (*(.ARM.exidx* .gnu.linkonce.armexidx.*)) } 74 __exidx_end = .; 75 .eh_frame_hdr : { *(.eh_frame_hdr) } 76 .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 77 .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } 78 /* Adjust the address for the data segment. We want to align at exactly 79 a page boundary to make life easier for apriori. */ 80 . = ALIGN(4096); 81 /* Exception handling */ 82 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 83 .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } 84 /* Thread Local Storage sections */ 85 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } 86 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } 87 /* Ensure the __preinit_array_start label is properly aligned. We 88 could instead move the label definition inside the section, but 89 the linker would then create the section even if it turns out to 90 be empty, which isn't pretty. */ 91 . = ALIGN(32 / 8); 92 PROVIDE (__preinit_array_start = .); 93 .preinit_array : { KEEP (*(.preinit_array)) } 94 PROVIDE (__preinit_array_end = .); 95 PROVIDE (__init_array_start = .); 96 .init_array : { KEEP (*(.init_array)) } 97 PROVIDE (__init_array_end = .); 98 PROVIDE (__fini_array_start = .); 99 .fini_array : { KEEP (*(.fini_array)) } 100 PROVIDE (__fini_array_end = .); 101 .ctors : 102 { 103 /* gcc uses crtbegin.o to find the start of 104 the constructors, so we make sure it is 105 first. Because this is a wildcard, it 106 doesn't matter if the user does not 107 actually link against crtbegin.o; the 108 linker won't look for a file to match a 109 wildcard. The wildcard also means that it 110 doesn't matter which directory crtbegin.o 111 is in. */ 112 KEEP (*crtbegin*.o(.ctors)) 113 /* We don't want to include the .ctor section from 114 from the crtend.o file until after the sorted ctors. 115 The .ctor section from the crtend file contains the 116 end of ctors marker and it must be last */ 117 KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) 118 KEEP (*(SORT(.ctors.*))) 119 KEEP (*(.ctors)) 120 } 121 .dtors : 122 { 123 KEEP (*crtbegin*.o(.dtors)) 124 KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) 125 KEEP (*(SORT(.dtors.*))) 126 KEEP (*(.dtors)) 127 } 128 .jcr : { KEEP (*(.jcr)) } 129 .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } 130 .dynamic : { *(.dynamic) } 131 .got : { *(.got.plt) *(.got) } 132 .data : 133 { 134 __data_start = . ; 135 *(.data .data.* .gnu.linkonce.d.*) 136 KEEP (*(.gnu.linkonce.d.*personality*)) 137 SORT(CONSTRUCTORS) 138 } 139 .data1 : { *(.data1) } 140 _edata = .; 141 PROVIDE (edata = .); 142 __bss_start = .; 143 __bss_start__ = .; 144 .bss : 145 { 146 *(.dynbss) 147 *(.bss .bss.* .gnu.linkonce.b.*) 148 *(COMMON) 149 /* Align here to ensure that the .bss section occupies space up to 150 _end. Align after .bss to ensure correct alignment even if the 151 .bss section disappears because there are no input sections. */ 152 . = ALIGN(32 / 8); 153 } 154 . = ALIGN(32 / 8); 155 _end = .; 156 _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; 157 PROVIDE (end = .); 158 /* Stabs debugging sections. */ 159 .stab 0 : { *(.stab) } 160 .stabstr 0 : { *(.stabstr) } 161 .stab.excl 0 : { *(.stab.excl) } 162 .stab.exclstr 0 : { *(.stab.exclstr) } 163 .stab.index 0 : { *(.stab.index) } 164 .stab.indexstr 0 : { *(.stab.indexstr) } 165 .comment 0 : { *(.comment) } 166 /* DWARF debug sections. 167 Symbols in the DWARF debugging sections are relative to the beginning 168 of the section so we begin them at 0. */ 169 /* DWARF 1 */ 170 .debug 0 : { *(.debug) } 171 .line 0 : { *(.line) } 172 /* GNU DWARF 1 extensions */ 173 .debug_srcinfo 0 : { *(.debug_srcinfo) } 174 .debug_sfnames 0 : { *(.debug_sfnames) } 175 /* DWARF 1.1 and DWARF 2 */ 176 .debug_aranges 0 : { *(.debug_aranges) } 177 .debug_pubnames 0 : { *(.debug_pubnames) } 178 /* DWARF 2 */ 179 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 180 .debug_abbrev 0 : { *(.debug_abbrev) } 181 .debug_line 0 : { *(.debug_line) } 182 .debug_frame 0 : { *(.debug_frame) } 183 .debug_str 0 : { *(.debug_str) } 184 .debug_loc 0 : { *(.debug_loc) } 185 .debug_macinfo 0 : { *(.debug_macinfo) } 186 /* SGI/MIPS DWARF 2 extensions */ 187 .debug_weaknames 0 : { *(.debug_weaknames) } 188 .debug_funcnames 0 : { *(.debug_funcnames) } 189 .debug_typenames 0 : { *(.debug_typenames) } 190 .debug_varnames 0 : { *(.debug_varnames) } 191 /* Adding the word ABSOLUTE below, so that the _stack below won't float 192 into a random section. If _stack is not absolutely with .stack section, 193 we saw that sometimes _stack got inserted into the .debug_frame section 194 because it's processed by the linker at that moment. As a result, _stack 195 symbol will get wrongly moved and gelf_update_symshndx() will return 196 invalid data. */ 197 .stack 0x80000 : 198 { 199 _stack = ABSOLUTE(.); 200 *(.stack) 201 } 202 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } 203 /DISCARD/ : { *(.note.GNU-stack) } 204 } 205
