[92] | 1 | /* Linker script for armulator
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| 2 | *
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| 3 | * Version: Sourcery G++ Lite 2009q3-68
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| 4 | * Support: https://support.codesourcery.com/GNUToolchain/
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| 5 | *
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| 6 | * Copyright (c) 2007, 2008, 2009 CodeSourcery, Inc.
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| 7 | *
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| 8 | * The authors hereby grant permission to use, copy, modify, distribute,
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| 9 | * and license this software and its documentation for any purpose, provided
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| 10 | * that existing copyright notices are retained in all copies and that this
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| 11 | * notice is included verbatim in any distributions. No written agreement,
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| 12 | * license, or royalty fee is required for any of the authorized uses.
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| 13 | * Modifications to this software may be copyrighted by their authors
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| 14 | * and need not follow the licensing terms described here, provided that
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| 15 | * the new terms are clearly indicated on the first page of each file where
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| 16 | * they apply.
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| 17 | * */
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| 18 |
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| 19 | /*
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| 20 | * Modified for GCC ARM Embedded in Launchpad
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| 21 | * https://launchpad.net/gcc-arm-embedded
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| 22 | *
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| 23 | * Copyright (C) 2015 by Naoki Saito
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| 24 | * Nagoya Municipal Industrial Research Institute, JAPAN
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| 25 | *
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| 26 | */
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| 27 |
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| 28 | OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
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| 29 | SEARCH_DIR(.)
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| 30 | /* GROUP(-lgcc -lc -lcs3 -lcs3hosted -lcs3arm) */
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| 31 | PROVIDE(hardware_init_hook = 0);
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| 32 | PROVIDE(software_init_hook = 0);
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| 33 | PROVIDE(software_term_hook = 0);
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| 34 | STARTUP(start.o)
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| 35 |
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| 36 | MEMORY
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| 37 | {
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| 38 | ram (rwx) : ORIGIN = 0x0, LENGTH = 128M
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| 39 | }
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| 40 |
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| 41 | /* These force the linker to search for particular symbols from
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| 42 | * the start of the link process and thus ensure the user's
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| 43 | * overrides are picked up
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| 44 | */
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| 45 | /* EXTERN(__cs3_reset_armulator) */
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| 46 | /* INCLUDE arm-names.inc */
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| 47 | /* EXTERN(__cs3_interrupt_vector_arm) */
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| 48 | /* EXTERN(__cs3_start_c main __cs3_stack __cs3_heap_end) */
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| 49 | /* force exit to be picked up in a hosted or os environment */
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| 50 | EXTERN(exit atexit)
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| 51 |
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| 52 | /* PROVIDE(__cs3_heap_start = _end); */
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| 53 | /* PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram); */
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| 54 | /* PROVIDE(__cs3_region_num = (__cs3_regions_end - __cs3_regions) / 20); */
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| 55 | /* Ensure that newlib runs the finalizers */
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| 56 | __libc_fini = _fini;
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| 57 | /* PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram); */
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| 58 |
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| 59 | SECTIONS
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| 60 | {
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| 61 | .text :
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| 62 | {
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| 63 | CREATE_OBJECT_SYMBOLS
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| 64 | /* __cs3_region_start_ram = .; */
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| 65 | /* ASSERT (. == __cs3_region_start_ram, ".cs3.region-head.ram not permitted"); */
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| 66 | *(vector)
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| 67 | /* __cs3_reset = .; */
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| 68 | *(.text)
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| 69 | *(.text.*)
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| 70 | *(.gnu.linkonce.t.*)
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| 71 | *(.plt)
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| 72 | *(.gnu.warning)
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| 73 | *(.glue_7t) *(.glue_7)
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| 74 | *(.vfp11_veneer)
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| 75 |
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| 76 | *(.ARM.extab* .gnu.linkonce.armextab.*)
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| 77 | *(.gcc_except_table)
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| 78 | } >ram
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| 79 |
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| 80 | .eh_frame_hdr : ALIGN (4)
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| 81 | {
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| 82 | KEEP (*(.eh_frame_hdr))
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| 83 | } >ram
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| 84 |
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| 85 | .eh_frame : ALIGN (4)
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| 86 | {
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| 87 | KEEP (*(.eh_frame))
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| 88 | } >ram
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| 89 |
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| 90 | /* .ARM.exidx is sorted, so has to go in its own output section. */
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| 91 | __exidx_start = .;
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| 92 | .ARM.exidx :
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| 93 | {
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| 94 | *(.ARM.exidx* .gnu.linkonce.armexidx.*)
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| 95 | } >ram
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| 96 | __exidx_end = .;
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| 97 |
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| 98 | .rodata : ALIGN (4)
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| 99 | {
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| 100 | *(.rodata .rodata.* .gnu.linkonce.r.*)
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| 101 |
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| 102 | . = ALIGN(4);
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| 103 | KEEP(*(.init))
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| 104 |
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| 105 | . = ALIGN(4);
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| 106 | __preinit_array_start = .;
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| 107 | KEEP (*(.preinit_array))
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| 108 | __preinit_array_end = .;
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| 109 |
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| 110 | . = ALIGN(4);
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| 111 | __init_array_start = .;
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| 112 | KEEP (*(SORT(.init_array.*)))
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| 113 | KEEP (*(.init_array))
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| 114 | __init_array_end = .;
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| 115 |
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| 116 | . = ALIGN(4);
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| 117 | KEEP(*(.fini))
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| 118 |
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| 119 | . = ALIGN(4);
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| 120 | __fini_array_start = .;
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| 121 | KEEP (*(.fini_array))
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| 122 | KEEP (*(SORT(.fini_array.*)))
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| 123 | __fini_array_end = .;
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| 124 |
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| 125 | . = ALIGN(0x4);
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| 126 | KEEP (*crtbegin.o(.ctors))
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| 127 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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| 128 | KEEP (*(SORT(.ctors.*)))
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| 129 | KEEP (*crtend.o(.ctors))
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| 130 |
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| 131 | . = ALIGN(0x4);
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| 132 | KEEP (*crtbegin.o(.dtors))
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| 133 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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| 134 | KEEP (*(SORT(.dtors.*)))
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| 135 | KEEP (*crtend.o(.dtors))
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| 136 |
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| 137 | . = ALIGN(4);
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| 138 | /* __cs3_regions = .; */
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| 139 | /* LONG (0) */
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| 140 | /* LONG (__cs3_region_init_ram) */
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| 141 | /* LONG (__cs3_region_start_ram) */
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| 142 | /* LONG (__cs3_region_init_size_ram) */
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| 143 | /* LONG (__cs3_region_zero_size_ram) */
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| 144 | /* __cs3_regions_end = .; */
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| 145 |
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| 146 | . = ALIGN (8);
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| 147 | _etext = .;
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| 148 | } >ram
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| 149 |
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| 150 | .data : ALIGN (8)
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| 151 | {
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| 152 | KEEP(*(.jcr))
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| 153 | *(.got.plt) *(.got)
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| 154 | *(.shdata)
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| 155 | *(.data .data.* .gnu.linkonce.d.*)
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| 156 | . = ALIGN (8);
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| 157 | *(.ram)
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| 158 | _edata = .;
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| 159 | } >ram
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| 160 |
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| 161 | .bss :
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| 162 | {
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| 163 | __bss_start__ = .;
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| 164 | *(.shbss)
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| 165 | *(.bss .bss.* .gnu.linkonce.b.*)
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| 166 | *(COMMON)
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| 167 | . = ALIGN (8);
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| 168 | *(.ram.b)
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| 169 | _end = .;
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| 170 | __end = .;
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| 171 | } >ram
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| 172 | __bss_end__ = .;
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| 173 |
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| 174 |
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| 175 | /* __cs3_region_end_ram is deprecated */
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| 176 | /* __cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram); */
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| 177 | /* __cs3_region_size_ram = LENGTH(ram); */
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| 178 | /* __cs3_region_init_ram = LOADADDR (.text); */
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| 179 | /* __cs3_region_init_size_ram = _edata - ADDR (.text); */
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| 180 | /* __cs3_region_zero_size_ram = _end - _edata; */
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| 181 |
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| 182 | .stab 0 (NOLOAD) : { *(.stab) }
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| 183 | .stabstr 0 (NOLOAD) : { *(.stabstr) }
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| 184 |
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| 185 | /* DWARF debug sections.
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| 186 | * Symbols in the DWARF debugging sections are relative to the beginning
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| 187 | * of the section so we begin them at 0. */
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| 188 |
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| 189 | /* DWARF 1 */
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| 190 | .debug 0 : { *(.debug) }
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| 191 | .line 0 : { *(.line) }
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| 192 |
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| 193 | /* GNU DWARF 1 extensions */
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| 194 | .debug_srcinfo 0 : { *(.debug_srcinfo) }
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| 195 | .debug_sfnames 0 : { *(.debug_sfnames) }
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| 196 |
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| 197 | /* DWARF 1.1 and DWARF 2 */
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| 198 | .debug_aranges 0 : { *(.debug_aranges) }
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| 199 | .debug_pubnames 0 : { *(.debug_pubnames) }
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| 200 |
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| 201 | /* DWARF 2 */
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| 202 | .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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| 203 | .debug_abbrev 0 : { *(.debug_abbrev) }
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| 204 | .debug_line 0 : { *(.debug_line) }
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| 205 | .debug_frame 0 : { *(.debug_frame) }
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| 206 | .debug_str 0 : { *(.debug_str) }
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| 207 | .debug_loc 0 : { *(.debug_loc) }
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| 208 | .debug_macinfo 0 : { *(.debug_macinfo) }
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| 209 |
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| 210 | /* DWARF 2.1 */
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| 211 | .debug_ranges 0 : { *(.debug_ranges) }
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| 212 |
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| 213 | /* SGI/MIPS DWARF 2 extensions */
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| 214 | .debug_weaknames 0 : { *(.debug_weaknames) }
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| 215 | .debug_funcnames 0 : { *(.debug_funcnames) }
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| 216 | .debug_typenames 0 : { *(.debug_typenames) }
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| 217 | .debug_varnames 0 : { *(.debug_varnames) }
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| 218 |
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| 219 | .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
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| 220 | .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
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| 221 | /DISCARD/ : { *(.note.GNU-stack) }
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| 222 | }
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