[363] | 1 | /*
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| 2 | * Link script for LatticeMico32 programs.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | * 1. Redistributions of source code must retain the above copyright
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| 8 | * notice, this list of conditions and the following disclaimer.
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer in the
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| 11 | * documentation and/or other materials provided with the distribution.
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| 12 | *
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| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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| 14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 16 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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| 17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 19 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 23 | * SUCH DAMAGE.
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| 24 | */
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| 25 |
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| 26 |
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| 27 |
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| 28 | OUTPUT_FORMAT("elf32-lm32")
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| 29 | ENTRY(reset)
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| 30 |
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| 31 | /*
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| 32 | * This section defines memory attributes (name, origin, length) for the platform
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| 33 | */
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| 34 | MEMORY
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| 35 | {
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| 36 | ebr : ORIGIN = 0x00100000, LENGTH = 32768
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| 37 | sram : ORIGIN = 0x00200000, LENGTH = 1048576
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| 38 | }
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| 39 |
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| 40 | SECTIONS
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| 41 | {
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| 42 |
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| 43 | /* code */
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| 44 | .boot : { *(.boot) } > ebr
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| 45 | .text :
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| 46 | {
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| 47 | . = ALIGN(4);
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| 48 | _ftext = .;
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| 49 | *(.text .stub .text.* .gnu.linkonce.t.*)
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| 50 | *(.gnu.warning)
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| 51 | KEEP (*(.init))
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| 52 | KEEP (*(.fini))
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| 53 |
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| 54 | /* Exception handlers */
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| 55 | *(.eh_frame_hdr)
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| 56 | KEEP (*(.eh_frame))
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| 57 | *(.gcc_except_table)
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| 58 |
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| 59 | /* Constructors and destructors */
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| 60 | KEEP (*crtbegin*.o(.ctors))
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| 61 | KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
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| 62 | KEEP (*(SORT(.ctors.*)))
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| 63 | KEEP (*(.ctors))
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| 64 | KEEP (*crtbegin*.o(.dtors))
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| 65 | KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
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| 66 | KEEP (*(SORT(.dtors.*)))
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| 67 | KEEP (*(.dtors))
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| 68 | KEEP (*(.jcr))
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| 69 | _etext = .;
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| 70 | } > ebr =0
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| 71 |
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| 72 | /* read-only data */
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| 73 | .rodata :
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| 74 | {
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| 75 | . = ALIGN(4);
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| 76 | _frodata = .;
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| 77 | _frodata_rom = LOADADDR(.rodata);
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| 78 | *(.rodata .rodata.* .gnu.linkonce.r.*)
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| 79 | *(.rodata1)
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| 80 | _erodata = .;
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| 81 | } > ebr
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| 82 |
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| 83 | /* read/write data */
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| 84 | .data :
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| 85 | {
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| 86 | . = ALIGN(4);
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| 87 | _fdata = .;
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| 88 | *(.data .data.* .gnu.linkonce.d.*)
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| 89 | *(.data1)
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| 90 | SORT(CONSTRUCTORS)
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| 91 | _gp = ALIGN(16) + 0x7ff0;
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| 92 | *(.sdata .sdata.* .gnu.linkonce.s.*)
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| 93 | _edata = .;
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| 94 | } > ebr
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| 95 |
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| 96 | /* bss */
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| 97 | .bss :
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| 98 | {
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| 99 | . = ALIGN(4);
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| 100 | _fbss = .;
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| 101 | *(.dynsbss)
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| 102 | *(.sbss .sbss.* .gnu.linkonce.sb.*)
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| 103 | *(.scommon)
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| 104 | *(.dynbss)
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| 105 | *(.bss .bss.* .gnu.linkonce.b.*)
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| 106 | *(COMMON)
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| 107 | . = ALIGN(4);
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| 108 | _ebss = .;
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| 109 | _end = .;
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| 110 | PROVIDE (end = .);
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| 111 | } > sram
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| 112 |
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| 113 | /* first location in stack is highest address in ram */
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| 114 | PROVIDE(_fstack = ORIGIN(sram) + LENGTH(sram) - 4);
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| 115 |
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| 116 | /* stabs debugging sections. */
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| 117 | .stab 0 : { *(.stab) }
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| 118 | .stabstr 0 : { *(.stabstr) }
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| 119 | .stab.excl 0 : { *(.stab.excl) }
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| 120 | .stab.exclstr 0 : { *(.stab.exclstr) }
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| 121 | .stab.index 0 : { *(.stab.index) }
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| 122 | .stab.indexstr 0 : { *(.stab.indexstr) }
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| 123 | .comment 0 : { *(.comment) }
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| 124 |
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| 125 | /* DWARF debug sections.
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| 126 | Symbols in the DWARF debugging sections are relative to the beginning
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| 127 | of the section so we begin them at 0. */
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| 128 | /* DWARF 1 */
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| 129 | .debug 0 : { *(.debug) }
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| 130 | .line 0 : { *(.line) }
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| 131 | /* GNU DWARF 1 extensions */
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| 132 | .debug_srcinfo 0 : { *(.debug_srcinfo) }
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| 133 | .debug_sfnames 0 : { *(.debug_sfnames) }
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| 134 | /* DWARF 1.1 and DWARF 2 */
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| 135 | .debug_aranges 0 : { *(.debug_aranges) }
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| 136 | .debug_pubnames 0 : { *(.debug_pubnames) }
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| 137 | /* DWARF 2 */
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| 138 | .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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| 139 | .debug_abbrev 0 : { *(.debug_abbrev) }
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| 140 | .debug_line 0 : { *(.debug_line) }
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| 141 | .debug_frame 0 : { *(.debug_frame) }
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| 142 | .debug_str 0 : { *(.debug_str) }
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| 143 | .debug_loc 0 : { *(.debug_loc) }
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| 144 | .debug_macinfo 0 : { *(.debug_macinfo) }
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| 145 | /* SGI/MIPS DWARF 2 extensions */
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| 146 | .debug_weaknames 0 : { *(.debug_weaknames) }
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| 147 | .debug_funcnames 0 : { *(.debug_funcnames) }
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| 148 | .debug_typenames 0 : { *(.debug_typenames) }
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| 149 | .debug_varnames 0 : { *(.debug_varnames) }
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| 150 | }
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| 151 |
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