* scripttempl/elfarm.sc: New file.
* emulparams/armelf.sh: Set SCRIPT_NAME to elfarm.
This commit is contained in:
Catherine Moore
parent
5530d45d45
commit
020c70e98e
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@ -1,4 +1,11 @@
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start-sanitize-armelf
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Sat Aug 1 11:47:37 1998 Catherine Moore <clm@cygnus.com>
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* scripttempl/elfarm.sc: New file.
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* emulparams/armelf.sh: Set SCRIPT_NAME to elfarm.
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end-sanitize-armelf
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start-sanitize-armelf
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Fri Jul 31 15:56:16 1998 Catherine Moore <clm@cygnus.com>
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* emulparams/armelf.sh: New file.
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@ -0,0 +1,267 @@
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/* start-sanitize-armelf */
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#
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# Unusual variables checked by this code:
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# NOP - two byte opcode for no-op (defaults to 0)
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# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
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# INITIAL_READONLY_SECTIONS - at start of text segment
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# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
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# (e.g., .PARISC.milli)
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# OTHER_TEXT_SECTIONS - these get put in .text when relocating
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# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
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# (e.g., .PARISC.global)
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# OTHER_SECTIONS - at the end
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# EXECUTABLE_SYMBOLS - symbols that must be defined for an
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# executable (e.g., _DYNAMIC_LINK)
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# TEXT_START_SYMBOLS - symbols that appear at the start of the
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# .text section.
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# DATA_START_SYMBOLS - symbols that appear at the start of the
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# .data section.
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# OTHER_GOT_SYMBOLS - symbols defined just before .got.
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# OTHER_GOT_SECTIONS - sections just after .got and .sdata.
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# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
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# .bss section besides __bss_start.
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# DATA_PLT - .plt should be in data segment, not text segment.
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# TEXT_DYNAMIC - .dynamic in text segment, not data segment.
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# EMBEDDED - whether this is for an embedded system.
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# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set
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# start address of shared library.
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# INPUT_FILES - INPUT command of files to always include
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#
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# When adding sections, do note that the names of some sections are used
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# when specifying the start address of the next.
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#
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test -z "$ENTRY" && ENTRY=_start
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test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
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if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
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test -z "${ELFSIZE}" && ELFSIZE=32
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test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
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test "$LD_FLAG" = "N" && DATA_ADDR=.
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INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
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PLT=".plt ${RELOCATING-0} : { *(.plt) }"
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DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
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# if this is for an embedded system, don't add SIZEOF_HEADERS.
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if [ -z "$EMBEDDED" ]; then
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test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
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else
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test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
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fi
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cat <<EOF
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OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
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"${LITTLE_OUTPUT_FORMAT}")
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OUTPUT_ARCH(${OUTPUT_ARCH})
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ENTRY(${ENTRY})
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${RELOCATING+${LIB_SEARCH_DIRS}}
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${RELOCATING+/* Do we need any of these for elf?
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__DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
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${RELOCATING+${EXECUTABLE_SYMBOLS}}
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${RELOCATING+${INPUT_FILES}}
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${RELOCATING- /* For some reason, the Solaris linker makes bad executables
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if gld -r is used and the intermediate file has sections starting
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at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
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bug. But for now assigning the zero vmas works. */}
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}}
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${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
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${CREATE_SHLIB-${INTERP}}
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${INITIAL_READONLY_SECTIONS}
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${TEXT_DYNAMIC+${DYNAMIC}}
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.hash ${RELOCATING-0} : { *(.hash) }
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.dynsym ${RELOCATING-0} : { *(.dynsym) }
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.dynstr ${RELOCATING-0} : { *(.dynstr) }
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.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
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.gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
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.gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
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.rel.text ${RELOCATING-0} :
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{
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*(.rel.text)
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${RELOCATING+*(.rel.text.*)}
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${RELOCATING+*(.rel.gnu.linkonce.t*)}
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}
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.rela.text ${RELOCATING-0} :
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{
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*(.rela.text)
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${RELOCATING+*(.rela.text.*)}
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${RELOCATING+*(.rela.gnu.linkonce.t*)}
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}
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.rel.data ${RELOCATING-0} :
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{
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*(.rel.data)
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${RELOCATING+*(.rel.data.*)}
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${RELOCATING+*(.rel.gnu.linkonce.d*)}
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}
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.rela.data ${RELOCATING-0} :
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{
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*(.rela.data)
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${RELOCATING+*(.rela.data.*)}
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${RELOCATING+*(.rela.gnu.linkonce.d*)}
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}
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.rel.rodata ${RELOCATING-0} :
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{
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*(.rel.rodata)
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${RELOCATING+*(.rel.rodata.*)}
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${RELOCATING+*(.rel.gnu.linkonce.r*)}
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}
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.rela.rodata ${RELOCATING-0} :
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{
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*(.rela.rodata)
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${RELOCATING+*(.rela.rodata.*)}
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${RELOCATING+*(.rela.gnu.linkonce.r*)}
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}
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.rel.got ${RELOCATING-0} : { *(.rel.got) }
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.rela.got ${RELOCATING-0} : { *(.rela.got) }
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.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
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.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
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.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
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.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
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.rel.init ${RELOCATING-0} : { *(.rel.init) }
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.rela.init ${RELOCATING-0} : { *(.rela.init) }
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.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
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.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
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.rel.bss ${RELOCATING-0} : { *(.rel.bss) }
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.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
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.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
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.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
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.init ${RELOCATING-0} : { KEEP (*(.init)) } =${NOP-0}
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${DATA_PLT-${PLT}}
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.text ${RELOCATING-0} :
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{
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${RELOCATING+${TEXT_START_SYMBOLS}}
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*(.text)
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${RELOCATING+*(.text.*)}
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*(.stub)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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${RELOCATING+*(.gnu.linkonce.t*)}
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${RELOCATING+${OTHER_TEXT_SECTIONS}}
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} =${NOP-0}
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${RELOCATING+_etext = .;}
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${RELOCATING+PROVIDE (etext = .);}
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.fini ${RELOCATING-0} : { KEEP (*(.fini)) } =${NOP-0}
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.rodata ${RELOCATING-0} :
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{
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*(.rodata)
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${RELOCATING+*(.rodata.*)}
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${RELOCATING+*(.gnu.linkonce.r*)}
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}
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.rodata1 ${RELOCATING-0} : { *(.rodata1) }
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${RELOCATING+${OTHER_READONLY_SECTIONS}}
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}}
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${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}}
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.data ${RELOCATING-0} :
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{
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${RELOCATING+${DATA_START_SYMBOLS}}
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*(.data)
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${RELOCATING+*(.data.*)}
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${RELOCATING+*(.gnu.linkonce.d*)}
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${CONSTRUCTING+CONSTRUCTORS}
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}
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.data1 ${RELOCATING-0} : { *(.data1) }
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${RELOCATING+${OTHER_READWRITE_SECTIONS}}
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.ctors ${RELOCATING-0} :
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{
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${CONSTRUCTING+${CTOR_START}}
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/* gcc uses crtbegin.o to find the start of the constructors, so
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we make sure it is first. Because this is a wildcard, it
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doesn't matter if the user does not actually link against
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crtbegin.o; the linker won't look for a file to match a
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wildcard. The wildcard also means that it doesn't matter which
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directory crtbegin.o is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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${CONSTRUCTING+${CTOR_END}}
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}
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.dtors ${RELOCATING-0} :
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{
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${CONSTRUCTING+${DTOR_START}}
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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${CONSTRUCTING+${DTOR_END}}
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}
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${DATA_PLT+${PLT}}
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${RELOCATING+${OTHER_GOT_SYMBOLS}}
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.got ${RELOCATING-0} : { *(.got.plt) *(.got) }
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${TEXT_DYNAMIC-${DYNAMIC}}
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata ${RELOCATING-0} : { *(.sdata) }
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${RELOCATING+${OTHER_GOT_SECTIONS}}
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${RELOCATING+_edata = .;}
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${RELOCATING+PROVIDE (edata = .);}
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${RELOCATING+__bss_start = .;}
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${RELOCATING+__bss_start__ = .;}
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${RELOCATING+${OTHER_BSS_SYMBOLS}}
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.sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) }
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.bss ${RELOCATING-0} :
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{
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*(.dynbss)
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*(.bss)
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*(COMMON)
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}
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${RELOCATING+. = ALIGN(${ALIGNMENT});}
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${RELOCATING+_end = . ;}
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${RELOCATING+_bss_end__ = . ;}
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${RELOCATING+PROVIDE (end = .);}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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${RELOCATING+${OTHER_RELOCATING_SECTIONS}}
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/* These must appear regardless of ${RELOCATING}. */
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${OTHER_SECTIONS}
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}
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EOF
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/* end-sanitize-armelf */
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