| [444] | 1 | /* Example Linker Script for linking NS CRX elf32 files. */ |
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| 2 | OUTPUT_FORMAT("elf32-crx") |
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| 3 | OUTPUT_ARCH(crx) |
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| 4 | |
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| 5 | /* |
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| 6 | The libh.a library includes various CR default handlers. |
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| 7 | The libsim.a library includes low-level functions, which |
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| 8 | are used as an interface to communicate with the simulator. |
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| 9 | */ |
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| 10 | GROUP(-lc -lsim -lh -lgcc) |
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| 11 | |
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| 12 | /* |
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| 13 | The next line forces the entry point (_start in this script) |
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| 14 | to be entered in the output file as an undefined symbol. |
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| 15 | It is needed in case the entry point is not called explicitly |
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| 16 | (which is the usual case) AND is in an archive. |
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| 17 | */ |
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| 18 | EXTERN(_start) |
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| 19 | ENTRY(_start) |
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| 20 | |
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| 21 | /* Define memory regions */ |
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| 22 | MEMORY |
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| 23 | { |
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| 24 | rom : ORIGIN = 0x2, LENGTH = 3M |
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| 25 | ram : ORIGIN = 4M, LENGTH = 10M |
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| 26 | } |
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| 27 | |
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| 28 | SECTIONS |
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| 29 | { |
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| 30 | .init : |
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| 31 | { |
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| 32 | __INIT_START = .; |
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| 33 | KEEP (*(.init)) |
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| 34 | __INIT_END = .; |
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| 35 | } > rom |
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| 36 | |
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| 37 | .fini : |
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| 38 | { |
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| 39 | __FINI_START = .; |
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| 40 | KEEP (*(.fini)) |
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| 41 | __FINI_END = .; |
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| 42 | } > rom |
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| 43 | |
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| 44 | .jcr : |
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| 45 | { |
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| 46 | KEEP (*(.jcr)) |
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| 47 | } > rom |
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| 48 | |
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| 49 | .text : |
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| 50 | { |
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| 51 | __TEXT_START = .; |
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| 52 | *(.text) *(.text.*) *(.gnu.linkonce.t.*) |
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| 53 | __TEXT_END = .; |
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| 54 | } > rom |
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| 55 | |
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| 56 | .rdata : |
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| 57 | { |
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| 58 | __RDATA_START = .; |
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| 59 | *(.rdata_4) *(.rdata_2) *(.rdata_1) *(.rdata.*) *(.gnu.linkonce.r.*) |
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| 60 | __RDATA_END = .; |
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| 61 | } > rom |
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| 62 | |
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| 63 | .ctor ALIGN(4) : |
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| 64 | { |
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| 65 | __CTOR_START = .; |
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| 66 | KEEP (*crtbegin*.o(.ctors)) |
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| 67 | KEEP (*(EXCLUDE_FILE (*crtend*.o) .ctors)) |
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| 68 | KEEP (*(SORT(.ctors.*))) |
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| 69 | KEEP (*(.ctors)) |
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| 70 | __CTOR_END = .; |
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| 71 | } > rom |
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| 72 | |
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| 73 | .dtor ALIGN(4) : |
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| 74 | { |
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| 75 | __DTOR_START = .; |
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| 76 | KEEP (*crtbegin*.o(.dtors)) |
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| 77 | KEEP (*(EXCLUDE_FILE (*crtend*.o) .dtors)) |
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| 78 | KEEP (*(SORT(.dtors.*))) |
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| 79 | KEEP (*(.dtors)) |
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| 80 | __DTOR_END = .; |
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| 81 | } > rom |
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| 82 | |
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| 83 | .data : |
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| 84 | { |
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| 85 | __DATA_START = .; |
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| 86 | *(.data_4) *(.data_2) *(.data_1) *(.data) *(.data.*) *(.gnu.linkonce.d.*) |
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| 87 | __DATA_END = .; |
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| 88 | } > ram AT > rom |
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| 89 | |
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| 90 | .bss (NOLOAD) : |
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| 91 | { |
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| 92 | __BSS_START = .; |
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| 93 | *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) *(.bss.*) *(.gnu.linkonce.b.*) |
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| 94 | __BSS_END = .; |
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| 95 | } > ram |
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| 96 | |
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| 97 | /* |
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| 98 | You may change the sizes of the following sections to fit the actual |
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| 99 | size your program requires. |
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| 100 | The heap and stack are aligned to the bus width, as a speed optimization |
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| 101 | for accessing data located there. |
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| 102 | */ |
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| 103 | .heap : |
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| 104 | { |
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| 105 | . = ALIGN(4); |
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| 106 | __HEAP_START = .; |
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| 107 | . += 0x2000; |
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| 108 | __HEAP_MAX = .; |
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| 109 | } > ram |
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| 110 | |
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| 111 | .stack : |
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| 112 | { |
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| 113 | . = ALIGN(4); |
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| 114 | . += 0x6000; |
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| 115 | __STACK_START = .; |
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| 116 | } > ram |
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| 117 | |
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| 118 | .istack : |
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| 119 | { |
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| 120 | . = ALIGN(4); |
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| 121 | . += 0x100; |
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| 122 | __ISTACK_START = .; |
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| 123 | } > ram |
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| 124 | } |
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| 125 | |
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| 126 | __DATA_IMAGE_START = LOADADDR(.data); |
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