| 1 | #
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| 2 | # Unusual variables checked by this code:
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| 3 | # NOP - four byte opcode for no-op (defaults to 0)
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| 4 | # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
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| 5 | # OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ...
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| 6 | # (e.g., .PARISC.milli)
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| 7 | # OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ...
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| 8 | # (e.g., .PARISC.global)
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| 9 | # OTHER_SECTIONS - at the end
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| 10 | # EXECUTABLE_SYMBOLS - symbols that must be defined for an
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| 11 | # executable (e.g., _DYNAMIC_LINK)
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| 12 | # TEXT_START_SYMBOLS - symbols that appear at the start of the
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| 13 | # .text section.
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| 14 | # DATA_START_SYMBOLS - symbols that appear at the start of the
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| 15 | # .data section.
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| 16 | # OTHER_BSS_SYMBOLS - symbols that appear at the start of the
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| 17 | # .bss section besides __bss_start.
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| 18 | # DATA_PLT - .plt should be in data segment, not text segment.
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| 19 | #
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| 20 | # When adding sections, do note that the names of some sections are used
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| 21 | # when specifying the start address of the next.
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| 22 | #
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| 23 | test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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| 24 | test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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| 25 | test "$LD_FLAG" = "N" && DATA_ADDR=.
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| 26 | INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
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| 27 | PLT=".plt ${RELOCATING-0} : { *(.plt) }"
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| 28 | cat <<EOF
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| 29 | OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
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| 30 | "${LITTLE_OUTPUT_FORMAT}")
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| 31 | OUTPUT_ARCH(${ARCH})
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| 32 |
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| 33 | ${RELOCATING+${LIB_SEARCH_DIRS}}
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| 34 | ${RELOCATING+/* Do we need any of these for elf?
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| 35 | __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
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| 36 | ${RELOCATING+${EXECUTABLE_SYMBOLS}}
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| 37 | ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
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| 38 | if gld -r is used and the intermediate file has sections starting
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| 39 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
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| 40 | bug. But for now assigning the zero vmas works. */}
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| 41 | SECTIONS
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| 42 | {
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| 43 | /* Read-only sections, merged into text segment: */
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| 44 | ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
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| 45 | ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
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| 46 | ${CREATE_SHLIB-${INTERP}}
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| 47 | .hash ${RELOCATING-0} : { *(.hash) }
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| 48 | .dynsym ${RELOCATING-0} : { *(.dynsym) }
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| 49 | .dynstr ${RELOCATING-0} : { *(.dynstr) }
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| 50 | .rel.text ${RELOCATING-0} : { *(.rel.text) }
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| 51 | .rela.text ${RELOCATING-0} : { *(.rela.text) }
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| 52 | .rel.data ${RELOCATING-0} : { *(.rel.data) }
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| 53 | .rela.data ${RELOCATING-0} : { *(.rela.data) }
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| 54 | .rel.rodata ${RELOCATING-0} : { *(.rel.rodata) }
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| 55 | .rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
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| 56 | .rel.got ${RELOCATING-0} : { *(.rel.got) }
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| 57 | .rela.got ${RELOCATING-0} : { *(.rela.got) }
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| 58 | .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
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| 59 | .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
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| 60 | .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
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| 61 | .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
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| 62 | .rel.bss ${RELOCATING-0} : { *(.rel.bss) }
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| 63 | .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
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| 64 | .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
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| 65 | .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
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| 66 | .init ${RELOCATING-0} : { *(.init) } =${NOP-0}
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| 67 | ${DATA_PLT-${PLT}}
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| 68 | .text ${RELOCATING-0} :
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| 69 | {
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| 70 | ${RELOCATING+${TEXT_START_SYMBOLS}}
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| 71 | *(.text)
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| 72 | ${CONSTRUCTING+ __CTOR_LIST__ = .;}
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| 73 | ${CONSTRUCTING+ LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)}
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| 74 | ${CONSTRUCTING+ *(.ctors)}
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| 75 | ${CONSTRUCTING+ LONG(0)}
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| 76 | ${CONSTRUCTING+ __CTOR_END__ = .;}
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| 77 | ${CONSTRUCTING+ __DTOR_LIST__ = .;}
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| 78 | ${CONSTRUCTING+ LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)}
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| 79 | ${CONSTRUCTING+ *(.dtors)}
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| 80 | ${CONSTRUCTING+ LONG(0)}
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| 81 | ${CONSTRUCTING+ __DTOR_END__ = .;}
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| 82 | }
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| 83 | ${RELOCATING+_etext = .;}
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| 84 | ${RELOCATING+PROVIDE (etext = .);}
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| 85 | .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
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| 86 | .ctors ${RELOCATING-0} : { *(.ctors) }
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| 87 | .dtors ${RELOCATING-0} : { *(.dtors) }
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| 88 | .rodata ${RELOCATING-0} : { *(.rodata) }
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| 89 | .rodata1 ${RELOCATING-0} : { *(.rodata1) }
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| 90 | ${OTHER_READONLY_SECTIONS}
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| 91 |
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| 92 | /* Read-write section, merged into data segment: */
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| 93 | ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
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| 94 | .data ${RELOCATING-0} :
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| 95 | {
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| 96 | ${RELOCATING+${DATA_START_SYMBOLS}}
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| 97 | *(.data)
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| 98 | ${CONSTRUCTING+CONSTRUCTORS}
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| 99 | }
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| 100 | .data1 ${RELOCATING-0} : { *(.data1) }
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| 101 | ${OTHER_READWRITE_SECTIONS}
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| 102 | .got ${RELOCATING-0} : { *(.got.plt) *(.got) }
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| 103 | .dynamic ${RELOCATING-0} : { *(.dynamic) }
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| 104 | ${DATA_PLT+${PLT}}
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| 105 | /* We want the small data sections together, so single-instruction offsets
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| 106 | can access them all, and initialized data all before uninitialized, so
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| 107 | we can shorten the on-disk segment size. */
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| 108 | .sdata ${RELOCATING-0} : { *(.sdata) }
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| 109 | ${RELOCATING+_edata = .;}
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| 110 | ${RELOCATING+PROVIDE (edata = .);}
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| 111 | ${RELOCATING+__bss_start = .;}
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| 112 | ${RELOCATING+${OTHER_BSS_SYMBOLS}}
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| 113 | .sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) }
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| 114 | .bss ${RELOCATING-0} :
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| 115 | {
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| 116 | *(.dynbss)
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| 117 | *(.bss)
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| 118 | *(COMMON)
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| 119 | }
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| 120 | ${RELOCATING+_end = . ;}
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| 121 | ${RELOCATING+PROVIDE (end = .);}
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| 122 |
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| 123 | /* These are needed for ELF backends which have not yet been
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| 124 | converted to the new style linker. */
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| 125 | .stab 0 : { *(.stab) }
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| 126 | .stabstr 0 : { *(.stabstr) }
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| 127 |
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| 128 | ${OTHER_SECTIONS}
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| 129 | }
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| 130 | EOF
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