[9c448e1] | 1 | OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", |
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| 2 | "elf32-powerpc") |
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| 3 | |
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| 4 | OUTPUT_ARCH(powerpc) |
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| 5 | ENTRY(_start) |
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| 6 | |
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| 7 | /* |
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| 8 | * Number of Decrementer countdowns per millisecond |
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| 9 | * |
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| 10 | * Calculated by: (66 Mhz * 1000) / 4 cycles per click |
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| 11 | */ |
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| 12 | |
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| 13 | PROVIDE(CPU_PPC_CLICKS_PER_MS = 16500); |
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| 14 | |
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[39827cc] | 15 | /* |
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[9c448e1] | 16 | MEMORY |
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| 17 | { |
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| 18 | VECTORS : ORIGIN = 0, LENGTH = 64K |
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[39827cc] | 19 | RAM : ORIGIN = 1M, LENGTH = 31M |
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[9c448e1] | 20 | EPROM : ORIGIN = 0xFFF00000, LENGTH = 0x80000 |
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| 21 | } |
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[39827cc] | 22 | */ |
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[9c448e1] | 23 | |
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| 24 | SECTIONS |
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| 25 | { |
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| 26 | .vectors 0x00100 : |
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| 27 | { |
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| 28 | *(.vectors) |
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| 29 | } |
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| 30 | |
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| 31 | /* Read-only sections, merged into text segment: */ |
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| 32 | /* SDS ROM worked at 0x30000 */ |
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| 33 | .interp : { *(.interp) } |
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| 34 | .hash : { *(.hash) } |
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| 35 | .dynsym : { *(.dynsym) } |
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| 36 | .dynstr : { *(.dynstr) } |
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| 37 | .rela.text : { *(.rela.text) } |
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| 38 | .rela.data : { *(.rela.data) } |
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| 39 | .rela.rodata : { *(.rela.rodata) } |
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| 40 | .rela.got : { *(.rela.got) } |
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| 41 | .rela.got1 : { *(.rela.got1) } |
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| 42 | .rela.got2 : { *(.rela.got2) } |
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| 43 | .rela.ctors : { *(.rela.ctors) } |
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| 44 | .rela.dtors : { *(.rela.dtors) } |
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| 45 | .rela.init : { *(.rela.init) } |
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| 46 | .rela.fini : { *(.rela.fini) } |
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| 47 | .rela.bss : { *(.rela.bss) } |
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| 48 | .rela.plt : { *(.rela.plt) } |
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| 49 | .rela.sdata : { *(.rela.sdata2) } |
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| 50 | .rela.sbss : { *(.rela.sbss2) } |
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| 51 | .rela.sdata2 : { *(.rela.sdata2) } |
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| 52 | .rela.sbss2 : { *(.rela.sbss2) } |
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| 53 | .plt : { *(.plt) } |
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[39827cc] | 54 | .text 0x100000: |
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[9c448e1] | 55 | { |
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[39827cc] | 56 | |
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[9c448e1] | 57 | *(.text) |
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[add0545d] | 58 | *(.gnu.linkonce.t.*) |
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[9c448e1] | 59 | *(.descriptors) |
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| 60 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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| 61 | *(.gnu.warning) |
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[85c92574] | 62 | } >RAM |
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| 63 | .init : { _init = .; __init = .; *(.init) } >RAM |
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| 64 | .fini : { _fini = .; __fini = .; *(.fini) } >RAM |
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| 65 | .rodata : { *(.rodata*) *(.gnu.linkonce.r*) } >RAM |
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| 66 | .rodata1 : { *(.rodata1) } >RAM |
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| 67 | .eh_frame : { *.(eh_frame) } >RAM |
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[238f450] | 68 | _etext = .; |
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| 69 | PROVIDE (_etext = .); |
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[9c448e1] | 70 | PROVIDE (__SDATA2_START__ = .); |
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[85c92574] | 71 | .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >RAM |
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| 72 | .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >RAM |
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[9c448e1] | 73 | PROVIDE (__SBSS2_END__ = .); |
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| 74 | /* Adjust the address for the data segment. We want to adjust up to |
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| 75 | the same address within the page on the next page up. It would |
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| 76 | be more correct to do this: |
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| 77 | . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); |
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| 78 | The current expression does not correctly handle the case of a |
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| 79 | text segment ending precisely at the end of a page; it causes the |
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| 80 | data segment to skip a page. The above expression does not have |
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| 81 | this problem, but it will currently (2/95) cause BFD to allocate |
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| 82 | a single segment, combining both text and data, for this case. |
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| 83 | This will prevent the text segment from being shared among |
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| 84 | multiple executions of the program; I think that is more |
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| 85 | important than losing a page of the virtual address space (note |
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| 86 | that no actual memory is lost; the page which is skipped can not |
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| 87 | be referenced). */ |
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| 88 | . = ALIGN(8) + 0x40000; |
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| 89 | PROVIDE (sdata = .); |
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| 90 | .data : |
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| 91 | { |
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| 92 | *(.data) |
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[add0545d] | 93 | *(.gnu.linkonce.d.*) |
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[9c448e1] | 94 | CONSTRUCTORS |
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[85c92574] | 95 | } >RAM |
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[9c448e1] | 96 | PROVIDE (__EXCEPT_START__ = .); |
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[85c92574] | 97 | .gcc_except_table : { *(.gcc_except_table) } >RAM |
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[9c448e1] | 98 | PROVIDE (__EXCEPT_END__ = .); |
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| 99 | |
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[85c92574] | 100 | .data1 : { *(.data1) } >RAM |
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| 101 | .got1 : { *(.got1) } >RAM |
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| 102 | .dynamic : { *(.dynamic) } >RAM |
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[9c448e1] | 103 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
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| 104 | get relocated with -mrelocatable. Also put in the .fixup pointers. |
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| 105 | The current compiler no longer needs this, but keep it around for 2.7.2 */ |
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| 106 | PROVIDE (_GOT2_START_ = .); |
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[85c92574] | 107 | .got2 : { *(.got2) } >RAM |
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[9c448e1] | 108 | PROVIDE (__GOT2_END__ = .); |
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| 109 | PROVIDE (__CTOR_LIST__ = .); |
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[85c92574] | 110 | .ctors : { *(.ctors) } >RAM |
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[9c448e1] | 111 | PROVIDE (__CTOR_END__ = .); |
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| 112 | PROVIDE (__DTOR_LIST__ = .); |
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[85c92574] | 113 | .dtors : { *(.dtors) } >RAM |
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[9c448e1] | 114 | PROVIDE (__DTOR_END__ = .); |
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| 115 | PROVIDE (_FIXUP_START_ = .); |
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[85c92574] | 116 | .fixup : { *(.fixup) } >RAM |
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[9c448e1] | 117 | PROVIDE (_FIXUP_END_ = .); |
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| 118 | PROVIDE (__FIXUP_END__ = .); |
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| 119 | PROVIDE (_GOT2_END_ = .); |
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[39827cc] | 120 | .got : { |
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| 121 | PROVIDE (_GOT_START_ = .); |
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| 122 | s.got = .; |
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| 123 | *(.got) |
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[85c92574] | 124 | } >RAM |
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| 125 | .got.plt : { *(.got.plt) } >RAM |
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[9c448e1] | 126 | PROVIDE (_GOT_END_ = .); |
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| 127 | PROVIDE (__GOT_END__ = .); |
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| 128 | /* We want the small data sections together, so single-instruction offsets |
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| 129 | can access them all, and initialized data all before uninitialized, so |
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| 130 | we can shorten the on-disk segment size. */ |
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| 131 | PROVIDE (__SDATA_START__ = .); |
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[39827cc] | 132 | .sdata : { |
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| 133 | *(.sdata) |
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[85c92574] | 134 | *(.gnu.linkonce.s.*) |
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[39827cc] | 135 | _edata = .; |
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[85c92574] | 136 | } >RAM |
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[39827cc] | 137 | PROVIDE (_edata = .); |
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| 138 | PROVIDE (RAM_END = ADDR(.text) + 10M); |
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[9c448e1] | 139 | . = ALIGN(8) + 0x1000; |
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| 140 | PROVIDE (__SBSS_START__ = .); |
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| 141 | .sbss : |
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| 142 | { |
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| 143 | PROVIDE (__sbss_start = .); |
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| 144 | *(.sbss) |
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| 145 | *(.scommon) |
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| 146 | PROVIDE (__sbss_end = .); |
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[85c92574] | 147 | } >RAM |
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[9c448e1] | 148 | PROVIDE (__SBSS_END__ = .); |
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| 149 | .bss : |
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| 150 | { |
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[39827cc] | 151 | PROVIDE (__bss_start = .); |
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| 152 | *(.dynbss) |
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| 153 | *(.bss) |
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| 154 | *(COMMON) |
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| 155 | . = ALIGN(8) + 0x8000; |
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| 156 | PROVIDE (__stack = .); |
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| 157 | _end = . ; |
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| 158 | PROVIDE (end = .); |
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[85c92574] | 159 | } >RAM |
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[9c448e1] | 160 | |
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| 161 | /* These are needed for ELF backends which have not yet been |
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| 162 | converted to the new style linker. */ |
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[85c92574] | 163 | .stab 0 : { *(.stab) } >RAM |
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[9c448e1] | 164 | .stabstr 0 : { *(.stabstr) } |
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| 165 | /* DWARF debug sections. |
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| 166 | Symbols in the DWARF debugging sections are relative to the beginning |
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| 167 | of the section so we begin them at 0. */ |
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| 168 | /* DWARF 1 */ |
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| 169 | .debug 0 : { *(.debug) } |
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| 170 | .line 0 : { *(.line) } |
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| 171 | /* GNU DWARF 1 extensions */ |
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| 172 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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| 173 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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| 174 | /* DWARF 1.1 and DWARF 2 */ |
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| 175 | .debug_aranges 0 : { *(.debug_aranges) } |
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| 176 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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| 177 | /* DWARF 2 */ |
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| 178 | .debug_info 0 : { *(.debug_info) } |
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| 179 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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| 180 | .debug_line 0 : { *(.debug_line) } |
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| 181 | .debug_frame 0 : { *(.debug_frame) } |
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| 182 | .debug_str 0 : { *(.debug_str) } |
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| 183 | .debug_loc 0 : { *(.debug_loc) } |
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| 184 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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| 185 | /* SGI/MIPS DWARF 2 extensions */ |
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| 186 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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| 187 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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| 188 | .debug_typenames 0 : { *(.debug_typenames) } |
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| 189 | .debug_varnames 0 : { *(.debug_varnames) } |
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| 190 | /* These must appear regardless of . */ |
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| 191 | } |
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