[444] | 1 | /* The following TEXT start address leaves space for the monitor |
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| 2 | workspace. */ |
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| 3 | |
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| 4 | ENTRY(_start) |
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| 5 | STARTUP(crt0.o) |
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| 6 | OUTPUT_ARCH("mips:4000") |
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| 7 | OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips") |
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| 8 | GROUP(-lc -llsi -lgcc) |
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| 9 | SEARCH_DIR(.) |
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| 10 | __DYNAMIC = 0; |
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| 11 | |
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| 12 | /* |
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| 13 | * Allocate the stack to be at the top of memory, since the stack |
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| 14 | * grows down |
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| 15 | */ |
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| 16 | PROVIDE (__stack = 0); |
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| 17 | /* PROVIDE (__global = 0); */ |
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| 18 | |
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| 19 | /* |
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| 20 | * Initalize some symbols to be zero so we can reference them in the |
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| 21 | * crt0 without core dumping. These functions are all optional, but |
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| 22 | * we do this so we can have our crt0 always use them if they exist. |
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| 23 | * This is so BSPs work better when using the crt0 installed with gcc. |
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| 24 | * We have to initalize them twice, so we multiple object file |
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| 25 | * formats, as some prepend an underscore. |
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| 26 | */ |
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| 27 | PROVIDE (hardware_exit_hook = 0); |
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| 28 | PROVIDE (hardware_hazard_hook = 0); |
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| 29 | PROVIDE (hardware_init_hook = 0); |
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| 30 | PROVIDE (software_init_hook = 0); |
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| 31 | |
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| 32 | SECTIONS |
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| 33 | { |
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| 34 | . = 0xA0020000; |
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| 35 | .text : { |
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| 36 | _ftext = . ; |
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| 37 | KEEP (*(.init)) |
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| 38 | eprol = .; |
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| 39 | *(.text) |
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| 40 | *(.text.*) |
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| 41 | *(.gnu.linkonce.t.*) |
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| 42 | PROVIDE (__runtime_reloc_start = .); |
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| 43 | *(.rel.sdata) |
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| 44 | PROVIDE (__runtime_reloc_stop = .); |
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| 45 | KEEP (*(.fini)) |
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| 46 | etext = .; |
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| 47 | _etext = .; |
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| 48 | } |
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| 49 | |
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| 50 | .eh_frame_hdr : { *(.eh_frame_hdr) } |
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| 51 | .eh_frame : { KEEP (*(.eh_frame)) } |
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| 52 | .gcc_except_table : { *(.gcc_except_table) } |
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| 53 | .jcr : { KEEP (*(.jcr)) } |
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| 54 | .ctors : |
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| 55 | { |
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| 56 | /* gcc uses crtbegin.o to find the start of |
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| 57 | the constructors, so we make sure it is |
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| 58 | first. Because this is a wildcard, it |
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| 59 | doesn't matter if the user does not |
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| 60 | actually link against crtbegin.o; the |
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| 61 | linker won't look for a file to match a |
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| 62 | wildcard. The wildcard also means that it |
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| 63 | doesn't matter which directory crtbegin.o |
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| 64 | is in. */ |
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| 65 | |
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| 66 | KEEP (*crtbegin.o(.ctors)) |
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| 67 | |
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| 68 | /* We don't want to include the .ctor section from |
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| 69 | from the crtend.o file until after the sorted ctors. |
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| 70 | The .ctor section from the crtend file contains the |
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| 71 | end of ctors marker and it must be last */ |
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| 72 | |
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| 73 | KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) |
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| 74 | KEEP (*(SORT(.ctors.*))) |
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| 75 | KEEP (*(.ctors)) |
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| 76 | } |
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| 77 | |
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| 78 | .dtors : |
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| 79 | { |
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| 80 | KEEP (*crtbegin.o(.dtors)) |
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| 81 | KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) |
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| 82 | KEEP (*(SORT(.dtors.*))) |
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| 83 | KEEP (*(.dtors)) |
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| 84 | } |
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| 85 | |
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| 86 | . = .; |
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| 87 | .rodata : { |
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| 88 | *(.rdata) |
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| 89 | *(.rodata) |
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| 90 | *(.rodata.*) |
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| 91 | *(.gnu.linkonce.r.*) |
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| 92 | } |
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| 93 | _fdata = ALIGN(16); |
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| 94 | .data : { |
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| 95 | *(.data) |
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| 96 | *(.data.*) |
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| 97 | *(.gnu.linkonce.d.*) |
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| 98 | CONSTRUCTORS |
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| 99 | } |
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| 100 | . = ALIGN(8); |
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| 101 | _gp = . + 0x8000; |
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| 102 | __global = _gp; |
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| 103 | .lit8 : { |
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| 104 | *(.lit8) |
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| 105 | } |
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| 106 | .lit4 : { |
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| 107 | *(.lit4) |
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| 108 | } |
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| 109 | .sdata : { |
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| 110 | *(.sdata) |
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| 111 | *(.sdata.*) |
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| 112 | *(.gnu.linkonce.s.*) |
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| 113 | } |
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| 114 | edata = .; |
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| 115 | _edata = .; |
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| 116 | _fbss = .; |
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| 117 | .sbss : { |
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| 118 | *(.sbss) |
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| 119 | *(.sbss.*) |
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| 120 | *(.gnu.linkonce.sb.*) |
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| 121 | *(.scommon) |
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| 122 | } |
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| 123 | .bss : { |
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| 124 | _bss_start = . ; |
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| 125 | *(.bss) |
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| 126 | *(.bss.*) |
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| 127 | *(.gnu.linkonce.b.*) |
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| 128 | *(COMMON) |
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| 129 | } |
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| 130 | end = .; |
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| 131 | _end = .; |
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| 132 | } |
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