The Android Open Source Project | 88b6079 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 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) } |
The Android Open Source Project | fdd3a10 | 2009-03-11 12:11:54 -0700 | [diff] [blame] | 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. */ |
The Android Open Source Project | 88b6079 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 197 | .stack 0x80000 : |
| 198 | { |
The Android Open Source Project | fdd3a10 | 2009-03-11 12:11:54 -0700 | [diff] [blame] | 199 | _stack = ABSOLUTE(.); |
The Android Open Source Project | 88b6079 | 2009-03-03 19:28:42 -0800 | [diff] [blame] | 200 | *(.stack) |
| 201 | } |
| 202 | .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } |
| 203 | /DISCARD/ : { *(.note.GNU-stack) } |
| 204 | } |