[444] | 1 | /* Default linker script, for normal executables */ |
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| 2 | /*SEARCH_DIR("/proj/fv1/gnu_builds/head/mb/release/lin/mb/microblaze-xilinx-elf/lib");*/ |
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| 3 | /*SEARCH_DIR("/proj/fv1/gnu_builds/head/mb/release/lin/mb/microblaze-xilinx-elf/lib");*/ |
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| 4 | ENTRY(_start) |
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| 5 | _TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50; |
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| 6 | _HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0; |
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| 7 | _STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x400; |
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| 8 | SECTIONS |
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| 9 | { |
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| 10 | .vectors.reset 0x0 : { KEEP (*(.vectors.reset)) } = 0 |
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| 11 | .vectors.sw_exception 0x8 : { KEEP (*(.vectors.sw_exception)) } = 0 |
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| 12 | .vectors.interrupt 0x10 : { KEEP (*(.vectors.interrupt)) } = 0 |
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| 13 | .vectors.debug_sw_break 0x18 : { KEEP (*(.vectors.debug_sw_break)) } = 0 |
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| 14 | .vectors.hw_exception 0x20 : { KEEP (*(.vectors.hw_exception)) } = 0 |
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| 15 | . = _TEXT_START_ADDR; |
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| 16 | _ftext = .; |
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| 17 | .text : { |
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| 18 | *(.text) |
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| 19 | *(.text.*) |
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| 20 | *(.gnu.linkonce.t.*) |
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| 21 | } |
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| 22 | _etext = .; |
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| 23 | .init : { KEEP (*(.init)) } =0 |
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| 24 | .fini : { KEEP (*(.fini)) } =0 |
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| 25 | PROVIDE (__CTOR_LIST__ = .); |
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| 26 | PROVIDE (___CTOR_LIST__ = .); |
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| 27 | .ctors : |
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| 28 | { |
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| 29 | /* gcc uses crtbegin.o to find the start of |
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| 30 | the constructors, so we make sure it is |
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| 31 | first. Because this is a wildcard, it |
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| 32 | doesn't matter if the user does not |
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| 33 | actually link against crtbegin.o; the |
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| 34 | linker won't look for a file to match a |
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| 35 | wildcard. The wildcard also means that it |
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| 36 | doesn't matter which directory crtbegin.o |
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| 37 | is in. */ |
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| 38 | KEEP (*crtbegin.o(.ctors)) |
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| 39 | /* We don't want to include the .ctor section from |
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| 40 | from the crtend.o file until after the sorted ctors. |
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| 41 | The .ctor section from the crtend file contains the |
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| 42 | end of ctors marker and it must be last */ |
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| 43 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) |
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| 44 | KEEP (*(SORT(.ctors.*))) |
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| 45 | KEEP (*(.ctors)) |
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| 46 | } |
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| 47 | PROVIDE (__CTOR_END__ = .); |
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| 48 | PROVIDE (___CTOR_END__ = .); |
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| 49 | PROVIDE (__DTOR_LIST__ = .); |
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| 50 | PROVIDE (___DTOR_LIST__ = .); |
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| 51 | .dtors : |
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| 52 | { |
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| 53 | KEEP (*crtbegin.o(.dtors)) |
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| 54 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) |
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| 55 | KEEP (*(SORT(.dtors.*))) |
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| 56 | KEEP (*(.dtors)) |
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| 57 | } |
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| 58 | PROVIDE (__DTOR_END__ = .); |
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| 59 | PROVIDE (___DTOR_END__ = .); |
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| 60 | . = ALIGN(4); |
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| 61 | _frodata = . ; |
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| 62 | .rodata : { |
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| 63 | *(.rodata) |
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| 64 | *(.rodata.*) |
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| 65 | *(.gnu.linkonce.r.*) |
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| 66 | CONSTRUCTORS; /* Is this needed? */ |
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| 67 | } |
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| 68 | _erodata = .; |
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| 69 | /* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */ |
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| 70 | /* Note that .sdata2 and .sbss2 must be contiguous */ |
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| 71 | . = ALIGN(8); |
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| 72 | _ssrw = .; |
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| 73 | .sdata2 : { |
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| 74 | *(.sdata2) |
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| 75 | *(.sdata2.*) |
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| 76 | *(.gnu.linkonce.s2.*) |
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| 77 | } |
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| 78 | . = ALIGN(4); |
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| 79 | .sbss2 : { |
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| 80 | PROVIDE (__sbss2_start = .); |
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| 81 | *(.sbss2) |
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| 82 | *(.sbss2.*) |
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| 83 | *(.gnu.linkonce.sb2.*) |
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| 84 | PROVIDE (__sbss2_end = .); |
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| 85 | } |
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| 86 | . = ALIGN(8); |
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| 87 | _essrw = .; |
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| 88 | _ssrw_size = _essrw - _ssrw; |
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| 89 | PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 )); |
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| 90 | . = ALIGN(4); |
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| 91 | _fdata = .; |
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| 92 | .data : { |
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| 93 | *(.data) |
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| 94 | *(.gnu.linkonce.d.*) |
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| 95 | CONSTRUCTORS; /* Is this needed? */ |
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| 96 | } |
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| 97 | _edata = . ; |
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| 98 | /* Added to handle pic code */ |
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| 99 | .got : { |
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| 100 | *(.got) |
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| 101 | } |
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| 102 | .got1 : { |
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| 103 | *(.got1) |
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| 104 | } |
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| 105 | .got2 : { |
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| 106 | *(.got2) |
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| 107 | } |
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| 108 | /* Added by Sathya to handle C++ exceptions */ |
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| 109 | .eh_frame : { |
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| 110 | *(.eh_frame) |
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| 111 | } |
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| 112 | .jcr : { |
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| 113 | *(.jcr) |
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| 114 | } |
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| 115 | .gcc_except_table : { |
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| 116 | *(.gcc_except_table) |
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| 117 | } |
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| 118 | /* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */ |
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| 119 | /* Note that .sdata and .sbss must be contiguous */ |
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| 120 | . = ALIGN(8); |
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| 121 | _ssro = .; |
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| 122 | .sdata : { |
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| 123 | *(.sdata) |
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| 124 | *(.sdata.*) |
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| 125 | *(.gnu.linkonce.s.*) |
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| 126 | } |
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| 127 | . = ALIGN(4); |
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| 128 | .sbss : { |
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| 129 | PROVIDE (__sbss_start = .); |
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| 130 | *(.sbss) |
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| 131 | *(.sbss.*) |
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| 132 | *(.gnu.linkonce.sb.*) |
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| 133 | PROVIDE (__sbss_end = .); |
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| 134 | } |
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| 135 | . = ALIGN(8); |
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| 136 | _essro = .; |
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| 137 | _ssro_size = _essro - _ssro; |
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| 138 | PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 )); |
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| 139 | . = ALIGN(4); |
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| 140 | _fbss = .; |
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| 141 | .bss : { |
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| 142 | PROVIDE (__bss_start = .); |
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| 143 | *(.bss) |
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| 144 | *(.bss.*) |
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| 145 | *(.gnu.linkonce.b.*) |
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| 146 | *(COMMON) |
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| 147 | . = ALIGN(4); |
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| 148 | PROVIDE (__bss_end = .); |
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| 149 | } |
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| 150 | |
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| 151 | . = ALIGN(4); |
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| 152 | .heap : { |
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| 153 | _heap = .; |
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| 154 | _heap_start = .; |
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| 155 | . += _HEAP_SIZE; |
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| 156 | _heap_end = .; |
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| 157 | } |
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| 158 | |
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| 159 | . = ALIGN(4); |
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| 160 | .stack : { |
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| 161 | _stack_end = .; |
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| 162 | . += _STACK_SIZE; |
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| 163 | . = ALIGN(8); |
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| 164 | _stack = .; |
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| 165 | _end = .; |
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| 166 | } |
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| 167 | |
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| 168 | .tdata : { |
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| 169 | *(.tdata) |
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| 170 | *(.tdata.*) |
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| 171 | *(.gnu.linkonce.td.*) |
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| 172 | } |
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| 173 | .tbss : { |
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| 174 | *(.tbss) |
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| 175 | *(.tbss.*) |
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| 176 | *(.gnu.linkonce.tb.*) |
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| 177 | } |
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| 178 | } |
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