[ba46ffa6] | 1 | OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", |
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| 2 | "elf32-powerpc") |
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| 3 | OUTPUT_ARCH(powerpc) |
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| 4 | ENTRY(_start) |
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| 5 | /* Do we need any of these for elf? |
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| 6 | __DYNAMIC = 0; */ |
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| 7 | PROVIDE (__stack = 0); |
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| 8 | MEMORY { |
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| 9 | VECTORS : ORIGIN = 0x0 , LENGTH = 0x3000 |
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[8f814761] | 10 | CODE : ORIGIN = 0x3000 , LENGTH = 0x400000 |
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[ba46ffa6] | 11 | } |
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| 12 | SECTIONS |
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| 13 | { |
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| 14 | .entry_point_section : |
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| 15 | { |
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| 16 | *(.entry_point_section) |
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| 17 | } > VECTORS |
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| 18 | |
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| 19 | /* |
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| 20 | * This section is used only if NO_DYNAMIC_EXCEPTION_VECTOR_INSTALL |
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| 21 | * is defined in vectors/vectors.S |
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| 22 | */ |
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| 23 | .vectors : |
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| 24 | { |
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| 25 | *(.vectors) |
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| 26 | } > VECTORS |
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| 27 | |
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| 28 | /* Read-only sections, merged into text segment: */ |
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| 29 | .interp : { *(.interp) } > CODE |
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| 30 | .hash : { *(.hash) } > CODE |
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| 31 | .dynsym : { *(.dynsym) } > CODE |
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| 32 | .dynstr : { *(.dynstr) } > CODE |
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| 33 | .gnu.version : { *(.gnu.version) } > CODE |
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| 34 | .gnu.version_d : { *(.gnu.version_d) } > CODE |
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| 35 | .gnu.version_r : { *(.gnu.version_r) } > CODE |
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| 36 | .rela.text : |
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| 37 | { *(.rela.text) *(.rela.gnu.linkonce.t*) } > CODE |
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| 38 | .rela.data : |
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| 39 | { *(.rela.data) *(.rela.gnu.linkonce.d*) } > CODE |
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| 40 | .rela.rodata : |
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[85c92574] | 41 | { *(.rela.rodata*) *(.rela.gnu.linkonce.r*) } > CODE |
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[ba46ffa6] | 42 | .rela.got : { *(.rela.got) } > CODE |
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| 43 | .rela.got1 : { *(.rela.got1) } > CODE |
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| 44 | .rela.got2 : { *(.rela.got2) } > CODE |
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| 45 | .rela.ctors : { *(.rela.ctors) } > CODE |
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| 46 | .rela.dtors : { *(.rela.dtors) } > CODE |
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| 47 | .rela.init : { *(.rela.init) } > CODE |
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| 48 | .rela.fini : { *(.rela.fini) } > CODE |
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| 49 | .rela.bss : { *(.rela.bss) } > CODE |
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| 50 | .rela.plt : { *(.rela.plt) } > CODE |
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| 51 | .rela.sdata : { *(.rela.sdata) } > CODE |
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| 52 | .rela.sbss : { *(.rela.sbss) } > CODE |
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| 53 | .rela.sdata2 : { *(.rela.sdata2) } > CODE |
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| 54 | .rela.sbss2 : { *(.rela.sbss2) } > CODE |
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[fad4a52b] | 55 | |
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[c4561f2] | 56 | .init : { KEEP(*(.init)) } > CODE |
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[fad4a52b] | 57 | |
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[ba46ffa6] | 58 | .text : |
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| 59 | { |
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| 60 | *(.text) |
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[9c1133e] | 61 | |
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| 62 | /* |
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| 63 | * Special FreeBSD sysctl sections. |
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| 64 | */ |
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| 65 | . = ALIGN (16); |
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| 66 | __start_set_sysctl_set = .; |
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| 67 | *(set_sysctl_*); |
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| 68 | __stop_set_sysctl_set = ABSOLUTE(.); |
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| 69 | *(set_domain_*); |
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| 70 | *(set_pseudo_*); |
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| 71 | |
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[ba46ffa6] | 72 | /* .gnu.warning sections are handled specially by elf32.em. */ |
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| 73 | *(.gnu.warning) |
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| 74 | *(.gnu.linkonce.t*) |
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| 75 | } > CODE |
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[fad4a52b] | 76 | |
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| 77 | .fini : { _fini = .; KEEP(*(.fini)) } > CODE |
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| 78 | |
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| 79 | .rodata : { *(.rodata*) *(.gnu.linkonce.r*) } > CODE |
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| 80 | .rodata1 : { *(.rodata1) } > CODE |
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| 81 | |
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[5d81ce9] | 82 | /* Adjust the address for the data segment. We want to adjust up to |
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| 83 | the same address within the page on the next page up. */ |
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| 84 | . = ALIGN(0x10000) + (. & (0x10000 - 1)); |
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| 85 | /* Ensure the __preinit_array_start label is properly aligned. We |
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| 86 | could instead move the label definition inside the section, but |
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| 87 | the linker would then create the section even if it turns out to |
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| 88 | be empty, which isn't pretty. */ |
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| 89 | . = ALIGN(32 / 8); |
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| 90 | PROVIDE (__preinit_array_start = .); |
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| 91 | .preinit_array : { *(.preinit_array) } >CODE |
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| 92 | PROVIDE (__preinit_array_end = .); |
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| 93 | PROVIDE (__init_array_start = .); |
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| 94 | .init_array : { *(.init_array) } >CODE |
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| 95 | PROVIDE (__init_array_end = .); |
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| 96 | PROVIDE (__fini_array_start = .); |
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| 97 | .fini_array : { *(.fini_array) } >CODE |
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| 98 | PROVIDE (__fini_array_end = .); |
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| 99 | |
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[c4561f2] | 100 | _SDA2_BASE_ = __SDATA2_START__ + 0x8000; |
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[85c92574] | 101 | .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >CODE |
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| 102 | .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >CODE |
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[fad4a52b] | 103 | .eh_frame : { *.(eh_frame) } >CODE |
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| 104 | |
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[8f814761] | 105 | /* NOTE: if the BSP uses page tables, the correctness of |
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| 106 | * '_etext' (and __DATA_START__) is CRUCIAL - otherwise, |
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| 107 | * an invalid mapping may result!!! |
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| 108 | */ |
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| 109 | _etext = .; |
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| 110 | PROVIDE (etext = .); |
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| 111 | |
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[ba46ffa6] | 112 | /* Adjust the address for the data segment. We want to adjust up to |
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| 113 | the same address within the page on the next page up. It would |
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| 114 | be more correct to do this: |
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| 115 | . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); |
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| 116 | The current expression does not correctly handle the case of a |
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| 117 | text segment ending precisely at the end of a page; it causes the |
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| 118 | data segment to skip a page. The above expression does not have |
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| 119 | this problem, but it will currently (2/95) cause BFD to allocate |
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| 120 | a single segment, combining both text and data, for this case. |
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| 121 | This will prevent the text segment from being shared among |
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| 122 | multiple executions of the program; I think that is more |
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| 123 | important than losing a page of the virtual address space (note |
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| 124 | that no actual memory is lost; the page which is skipped can not |
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| 125 | be referenced). */ |
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| 126 | . = ALIGN(0x1000); |
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[8f814761] | 127 | .data ALIGN(0x1000) : |
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[ba46ffa6] | 128 | { |
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[8f814761] | 129 | /* NOTE: if the BSP uses page tables, the correctness of |
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| 130 | * '__DATA_START__' (and _etext) is CRUCIAL - otherwise, |
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| 131 | * an invalid mapping may result!!! |
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| 132 | */ |
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| 133 | PROVIDE(__DATA_START__ = ABSOLUTE(.) ); |
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[84f0cfb] | 134 | *(.data .data.* .gnu.linkonce.d*) |
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[5d81ce9] | 135 | SORT(CONSTRUCTORS) |
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[ba46ffa6] | 136 | } > CODE |
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| 137 | .data1 : { *(.data1) } > CODE |
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| 138 | PROVIDE (__EXCEPT_START__ = .); |
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| 139 | .gcc_except_table : { *(.gcc_except_table) } > CODE |
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| 140 | PROVIDE (__EXCEPT_END__ = .); |
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| 141 | .got1 : { *(.got1) } > CODE |
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| 142 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
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| 143 | get relocated with -mrelocatable. Also put in the .fixup pointers. |
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| 144 | The current compiler no longer needs this, but keep it around for 2.7.2 */ |
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| 145 | PROVIDE (_GOT2_START_ = .); |
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| 146 | .got2 : { *(.got2) } > CODE |
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[fad4a52b] | 147 | .dynamic : { *(.dynamic) } > CODE |
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[5d81ce9] | 148 | |
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| 149 | .ctors : |
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| 150 | { |
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| 151 | /* gcc uses crtbegin.o to find the start of |
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| 152 | the constructors, so we make sure it is |
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| 153 | first. Because this is a wildcard, it |
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| 154 | doesn't matter if the user does not |
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| 155 | actually link against crtbegin.o; the |
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| 156 | linker won't look for a file to match a |
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| 157 | wildcard. The wildcard also means that it |
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| 158 | doesn't matter which directory crtbegin.o |
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| 159 | is in. */ |
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| 160 | KEEP (*crtbegin.o(.ctors)) |
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| 161 | /* We don't want to include the .ctor section from |
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| 162 | from the crtend.o file until after the sorted ctors. |
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| 163 | The .ctor section from the crtend file contains the |
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| 164 | end of ctors marker and it must be last */ |
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| 165 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) |
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| 166 | KEEP (*(SORT(.ctors.*))) |
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| 167 | KEEP (*(.ctors)) |
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| 168 | } > CODE |
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| 169 | .dtors : |
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| 170 | { |
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| 171 | KEEP (*crtbegin.o(.dtors)) |
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| 172 | KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) |
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| 173 | KEEP (*(SORT(.dtors.*))) |
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| 174 | KEEP (*(.dtors)) |
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| 175 | } > CODE |
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| 176 | |
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| 177 | |
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[ba46ffa6] | 178 | PROVIDE (_FIXUP_START_ = .); |
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| 179 | .fixup : { *(.fixup) } > CODE |
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| 180 | PROVIDE (_FIXUP_END_ = .); |
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| 181 | PROVIDE (_GOT2_END_ = .); |
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| 182 | PROVIDE (_GOT_START_ = .); |
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[5d81ce9] | 183 | |
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[ba46ffa6] | 184 | .got : { *(.got) } > CODE |
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| 185 | .got.plt : { *(.got.plt) } > CODE |
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[5d81ce9] | 186 | |
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[ba46ffa6] | 187 | PROVIDE (_GOT_END_ = .); |
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[5d81ce9] | 188 | |
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| 189 | .jcr : { KEEP (*(.jcr)) } > CODE |
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| 190 | |
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[ba46ffa6] | 191 | /* We want the small data sections together, so single-instruction offsets |
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| 192 | can access them all, and initialized data all before uninitialized, so |
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| 193 | we can shorten the on-disk segment size. */ |
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[c4561f2] | 194 | _SDA_BASE_ = __SDATA_START__ + 0x8000; |
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[85c92574] | 195 | .sdata : { *(.sdata) *(.gnu.linkonce.s.*) } >CODE |
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[ba46ffa6] | 196 | _edata = .; |
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| 197 | PROVIDE (edata = .); |
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| 198 | .sbss : |
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| 199 | { |
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| 200 | PROVIDE (__sbss_start = .); |
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| 201 | *(.sbss) |
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| 202 | *(.scommon) |
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| 203 | *(.dynsbss) |
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| 204 | PROVIDE (__sbss_end = .); |
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| 205 | } > CODE |
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| 206 | .plt : { *(.plt) } > CODE |
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| 207 | .bss : |
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| 208 | { |
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| 209 | PROVIDE (__bss_start = .); |
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| 210 | *(.dynbss) |
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| 211 | *(.bss) |
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| 212 | *(COMMON) |
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| 213 | . = ALIGN(16); |
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| 214 | } > CODE |
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| 215 | . = ALIGN(16); |
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| 216 | _end = . ; |
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| 217 | __rtems_end = . ; |
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| 218 | PROVIDE (end = .); |
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| 219 | /DISCARD/ : |
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| 220 | { |
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| 221 | *(.comment) |
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| 222 | } |
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[4cb5d29] | 223 | |
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| 224 | |
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| 225 | /* Stabs debugging sections. */ |
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| 226 | .stab 0 : { *(.stab) } |
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| 227 | .stabstr 0 : { *(.stabstr) } |
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| 228 | .stab.excl 0 : { *(.stab.excl) } |
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| 229 | .stab.exclstr 0 : { *(.stab.exclstr) } |
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| 230 | .stab.index 0 : { *(.stab.index) } |
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| 231 | .stab.indexstr 0 : { *(.stab.indexstr) } |
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| 232 | .comment 0 : { *(.comment) } |
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| 233 | |
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| 234 | /* DWARF debug sections. |
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| 235 | Symbols in the DWARF debugging sections are relative to the beginning |
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| 236 | of the section so we begin them at 0. */ |
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| 237 | /* DWARF 1 */ |
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| 238 | .debug 0 : { *(.debug) } |
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| 239 | .line 0 : { *(.line) } |
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| 240 | |
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| 241 | /* GNU DWARF 1 extensions */ |
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| 242 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
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| 243 | .debug_sfnames 0 : { *(.debug_sfnames) } |
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| 244 | |
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| 245 | /* DWARF 1.1 and DWARF 2 */ |
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| 246 | .debug_aranges 0 : { *(.debug_aranges) } |
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| 247 | .debug_pubnames 0 : { *(.debug_pubnames) } |
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| 248 | |
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| 249 | /* DWARF 2 */ |
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| 250 | .debug_info 0 : { *(.debug_info) } |
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| 251 | .debug_abbrev 0 : { *(.debug_abbrev) } |
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| 252 | .debug_line 0 : { *(.debug_line) } |
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| 253 | .debug_frame 0 : { *(.debug_frame) } |
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| 254 | .debug_str 0 : { *(.debug_str) } |
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| 255 | .debug_loc 0 : { *(.debug_loc) } |
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| 256 | .debug_macinfo 0 : { *(.debug_macinfo) } |
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| 257 | |
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| 258 | /* SGI/MIPS DWARF 2 extensions */ |
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| 259 | .debug_weaknames 0 : { *(.debug_weaknames) } |
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| 260 | .debug_funcnames 0 : { *(.debug_funcnames) } |
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| 261 | .debug_typenames 0 : { *(.debug_typenames) } |
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| 262 | .debug_varnames 0 : { *(.debug_varnames) } |
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| 263 | /* These must appear regardless of . */ |
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[ba46ffa6] | 264 | } |
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