651 lines
28 KiB
Python
651 lines
28 KiB
Python
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# Copyright (C) 2014-2022 Free Software Foundation, Inc.
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#
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# Copying and distribution of this file, with or without modification,
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# are permitted in any medium without royalty provided the copyright
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# notice and this notice are preserved.
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#
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# Unusual variables checked by this code:
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# NOP - four byte opcode for no-op (defaults to 0)
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# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
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# empty.
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# SMALL_DATA_CTOR - .ctors contains small data.
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# SMALL_DATA_DTOR - .dtors contains small data.
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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_RELRO_SECTIONS - other than .data.rel.ro ...
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# (e.g. PPC32 .fixup, .got[12])
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# OTHER_BSS_SECTIONS - other than .bss .sbss ...
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# ATTRS_SECTIONS - at the end
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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_ADDR - the first byte of the text segment, after any
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# headers.
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# TEXT_BASE_ADDRESS - the first byte of the text segment.
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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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# DATA_END_SYMBOLS - symbols that appear at the end of the
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# writeable data sections.
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# OTHER_GOT_SYMBOLS - symbols defined just before .got.
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# OTHER_GOT_SECTIONS - sections just after .got.
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# OTHER_SDATA_SECTIONS - sections just after .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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# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement.
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# BSS_PLT - .plt should be in bss segment
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# NO_REL_RELOCS - Don't include .rel.* sections in script
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# NO_RELA_RELOCS - Don't include .rela.* sections in script
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# NON_ALLOC_DYN - Place dynamic sections after data 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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# WRITABLE_RODATA - if set, the .rodata section should be writable
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# INIT_START, INIT_END - statements just before and just after
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# combination of .init sections.
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# FINI_START, FINI_END - statements just before and just after
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# combination of .fini sections.
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# OTHER_SYMBOLS - symbols to place right at the end of the script.
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# ETEXT_NAME - name of a symbol for the end of the text section,
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# normally etext.
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# SEPARATE_GOTPLT - if set, .got.plt should be separate output section,
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# so that .got can be in the RELRO area. It should be set to
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# the number of bytes in the beginning of .got.plt which can be
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# in the RELRO area as well.
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# USER_LABEL_PREFIX - prefix to add to user-visible symbols.
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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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# Many sections come in three flavours. There is the 'real' section,
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# like ".data". Then there are the per-procedure or per-variable
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# sections, generated by -ffunction-sections and -fdata-sections in GCC,
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# and useful for --gc-sections, which for a variable "foo" might be
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# ".data.foo". Then there are the linkonce sections, for which the linker
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# eliminates duplicates, which are named like ".gnu.linkonce.d.foo".
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# The exact correspondences are:
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#
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# Section Linkonce section
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# .text .gnu.linkonce.t.foo
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# .rodata .gnu.linkonce.r.foo
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# .data .gnu.linkonce.d.foo
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# .bss .gnu.linkonce.b.foo
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# .sdata .gnu.linkonce.s.foo
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# .sbss .gnu.linkonce.sb.foo
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# .sdata2 .gnu.linkonce.s2.foo
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# .sbss2 .gnu.linkonce.sb2.foo
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# .debug_info .gnu.linkonce.wi.foo
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# .tdata .gnu.linkonce.td.foo
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# .tbss .gnu.linkonce.tb.foo
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# .lrodata .gnu.linkonce.lr.foo
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# .ldata .gnu.linkonce.l.foo
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# .lbss .gnu.linkonce.lb.foo
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#
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# Each of these can also have corresponding .rel.* and .rela.* sections.
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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 "$LD_FLAG" = "N" && DATA_ADDR=.
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test -z "${ETEXT_NAME}" && ETEXT_NAME=etext
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test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
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test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
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test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT
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test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }"
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DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
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DATA_SEGMENT_RELRO_END=""
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DATA_SEGMENT_END=""
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if test -n "${COMMONPAGESIZE}"; then
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DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
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DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
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DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
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fi
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if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
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INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
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fi
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if test -z "$PLT"; then
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PLT=".plt ${RELOCATING-0} : { *(.plt) }"
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fi
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test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=yes
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if test -z "$GOT"; then
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if test -z "$SEPARATE_GOTPLT"; then
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GOT=".got ${RELOCATING-0} : {${RELOCATING+ *(.got.plt)} *(.got) }"
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else
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GOT=".got ${RELOCATING-0} : { *(.got) }"
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GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) }"
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fi
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fi
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DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
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RODATA=".rodata ${RELOCATING+ADDR(.data)+SIZEOF(.data)} ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) } /*> INTERNAL_RAM*/"
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DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }"
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DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }"
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if test -z "${NO_SMALL_DATA}"; then
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SBSS=".sbss ${RELOCATING-0} :
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{
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${RELOCATING+${SBSS_START_SYMBOLS}}
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${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)}
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${RELOCATING+*(.dynsbss)}
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*(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
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${RELOCATING+*(.scommon)}
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${RELOCATING+${SBSS_END_SYMBOLS}}
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}"
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SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
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SDATA="/* 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 ${RELOCATING-0} :
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{
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${RELOCATING+${SDATA_START_SYMBOLS}}
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${RELOCATING+${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)}}
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*(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
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}"
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SDATA2=".sdata2 ${RELOCATING-0} :
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{
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${RELOCATING+${SDATA2_START_SYMBOLS}}
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*(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*})
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}"
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REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
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.rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
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REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
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.rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
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REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
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.rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
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REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
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.rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
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else
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NO_SMALL_DATA=" "
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fi
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if test -z "${DATA_GOT}"; then
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if test -n "${NO_SMALL_DATA}"; then
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DATA_GOT=" "
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fi
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fi
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if test -z "${SDATA_GOT}"; then
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if test -z "${NO_SMALL_DATA}"; then
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SDATA_GOT=" "
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fi
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fi
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test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
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test "${LARGE_SECTIONS}" = "yes" && REL_LARGE="
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.rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) }
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.rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) }
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.rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) }
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.rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) }
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.rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) }
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.rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }"
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test "${LARGE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS="
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${OTHER_BSS_SECTIONS}
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.lbss ${RELOCATING-0} :
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{
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${RELOCATING+*(.dynlbss)}
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*(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
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${RELOCATING+*(LARGE_COMMON)}
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}"
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test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS="
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.lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
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{
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*(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*})
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}
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.ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
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{
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*(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
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${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
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}"
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CTOR=".ctors ADDR(.text) + SIZEOF(.text) ${CONSTRUCTING-0} :
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{
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${CONSTRUCTING+${CTOR_START}}
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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${CONSTRUCTING+${CTOR_END}}
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} /*> INTERNAL_RAM*/"
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DTOR=".dtors ADDR(.ctors) + SIZEOF(.ctors) ${CONSTRUCTING-0} :
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{
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${CONSTRUCTING+${DTOR_START}}
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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${CONSTRUCTING+${DTOR_END}}
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} /*> INTERNAL_RAM*/ "
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# If this is for an embedded system, don't add SIZEOF_HEADERS.
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if [ -z "$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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/* Copyright (C) 2014-2022 Free Software Foundation, Inc.
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Copying and distribution of this script, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved. */
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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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EOF
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test -n "${RELOCATING}" && cat <<EOF
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ENTRY(${ENTRY})
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${EXECUTABLE_SYMBOLS}
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${INPUT_FILES}
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/* BSP specific*/
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__PROG_SIZE_FOR_CORE__ = 1M;
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__HEAP_SIZE_FOR_CORE__ = 1M;
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__MAX_NUM_CORES_IN_ROWS__ = 4;
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__MAX_NUM_CORES_IN_COLS__ = 4;
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__FIRST_CORE_ROW_ = 0x20;
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__FIRST_CORE_COL_ = 0x24;
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PROVIDE (__CORE_ROW_ = __FIRST_CORE_ROW_);
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PROVIDE (__CORE_COL_ = __FIRST_CORE_COL_);
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|
|
/* generic do not touch */
|
||
|
|
/* used to calculated the slice address in the external memory */
|
||
|
|
__CORE_NUM_ = (__CORE_ROW_ - __FIRST_CORE_ROW_ )* __MAX_NUM_CORES_IN_COLS__ + (__CORE_COL_ - __FIRST_CORE_COL_ ) ;
|
||
|
|
|
||
|
|
|
||
|
|
MEMORY
|
||
|
|
{
|
||
|
|
EXTERNAL_DRAM_0 (WXAI) : ORIGIN = 0x80000000, LENGTH = 0x1000000 /*.text, data, rodata, bss and .stack*/
|
||
|
|
EXTERNAL_DRAM_1 (WXAI) : ORIGIN = 0x81000000, LENGTH = 0x1000000 /*.heap */
|
||
|
|
|
||
|
|
EXTERNAL_SRAM (WXAI) : ORIGIN = 0x92000000, LENGTH = 8K /* small external RAM, used for testing*/
|
||
|
|
|
||
|
|
/* run time lib and crt0*/
|
||
|
|
RESERVED_CRT0_RAM (WXAI) : ORIGIN = 0, LENGTH = 0x400
|
||
|
|
|
||
|
|
/* user program, per bank usage */
|
||
|
|
BANK0_SRAM (WXAI) : ORIGIN = LENGTH(RESERVED_CRT0_RAM), LENGTH = 8K - LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
BANK1_SRAM (WXAI) : ORIGIN = 0x2000, LENGTH = 8K
|
||
|
|
BANK2_SRAM (WXAI) : ORIGIN = 0x4000, LENGTH = 8K
|
||
|
|
BANK3_SRAM (WXAI) : ORIGIN = 0x6000, LENGTH = 8K
|
||
|
|
|
||
|
|
/* user program, continious placement */
|
||
|
|
INTERNAL_RAM (WXAI) : ORIGIN = LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K - LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
|
||
|
|
MMR (WAI) : ORIGIN = 0xF000, LENGTH = 32K
|
||
|
|
|
||
|
|
/* multi cores space */
|
||
|
|
CORE_0x20_0x24_INTERNAL_RAM : ORIGIN = 0x82400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x20_0x25_INTERNAL_RAM : ORIGIN = 0x82500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x20_0x26_INTERNAL_RAM : ORIGIN = 0x82600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x20_0x27_INTERNAL_RAM : ORIGIN = 0x82700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x21_0x24_INTERNAL_RAM : ORIGIN = 0x86400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x21_0x25_INTERNAL_RAM : ORIGIN = 0x86500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x21_0x26_INTERNAL_RAM : ORIGIN = 0x86600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x21_0x27_INTERNAL_RAM : ORIGIN = 0x86700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x22_0x24_INTERNAL_RAM : ORIGIN = 0x8a400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x22_0x25_INTERNAL_RAM : ORIGIN = 0x8a500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x22_0x26_INTERNAL_RAM : ORIGIN = 0x8a600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x22_0x27_INTERNAL_RAM : ORIGIN = 0x8a700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x23_0x24_INTERNAL_RAM : ORIGIN = 0x8e400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x23_0x25_INTERNAL_RAM : ORIGIN = 0x8e500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x23_0x26_INTERNAL_RAM : ORIGIN = 0x8e600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x23_0x27_INTERNAL_RAM : ORIGIN = 0x8e700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
CORE_0x24_0x24_INTERNAL_RAM : ORIGIN = 0x82000000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM)
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat <<EOF
|
||
|
|
SECTIONS
|
||
|
|
{
|
||
|
|
EOF
|
||
|
|
|
||
|
|
test -n "${RELOCATING}" && cat <<EOF
|
||
|
|
IVT 0 : {*.o(IVT) } > RESERVED_CRT0_RAM
|
||
|
|
RESERVED_CRT0 : {*.o(RESERVED_CRT0) } > RESERVED_CRT0_RAM
|
||
|
|
RESERVED_CRT0 : {*.o(reserved_crt0) } > RESERVED_CRT0_RAM
|
||
|
|
|
||
|
|
CORE_RAM_0 : {*.o(core_ram_0) } > BANK0_SRAM
|
||
|
|
CORE_RAM_1 : {*.o(core_ram_1) } > BANK1_SRAM
|
||
|
|
CORE_RAM_2 : {*.o(core_ram_2) } > BANK2_SRAM
|
||
|
|
CORE_RAM_3 : {*.o(core_ram_3) } > BANK3_SRAM
|
||
|
|
|
||
|
|
SRAM_SOUTH : {*.o(sram) } > EXTERNAL_SRAM
|
||
|
|
DRAM_WEST : {*.o(dram) } > EXTERNAL_DRAM_1
|
||
|
|
|
||
|
|
CORE_INTERNAL : {*.o(core_ram_internal) } /*> INTERNAL_RAM*/
|
||
|
|
|
||
|
|
/* the newlib (libc and libm) library is maped to the dedicated section */
|
||
|
|
|
||
|
|
__new_lib_start_external_ = ( ORIGIN(EXTERNAL_DRAM_0) + __PROG_SIZE_FOR_CORE__ *__CORE_NUM_ );
|
||
|
|
__new_lib_start_ = DEFINED(__USE_INTERNAL_MEM_FOR_NEW_LIB_) ? ORIGIN(BANK1_SRAM) : __new_lib_start_external_ ;
|
||
|
|
|
||
|
|
NEW_LIB_RO __new_lib_start_ : { lib_a-*.o(.text .rodata) *.o(libgloss_epiphany) } /* > INTERNAL_RAM */
|
||
|
|
GNU_C_BUILTIN_LIB_RO ADDR(NEW_LIB_RO) + SIZEOF(NEW_LIB_RO) : {
|
||
|
|
*mulsi3.o(.text .rodata) *modsi3.o(.text .rodata)
|
||
|
|
*divsi3.o(.text .rodata) *udivsi3.o(.text .rodata)
|
||
|
|
*umodsi3.o(.text .rodata) _*.o(.text .rodata)
|
||
|
|
}
|
||
|
|
|
||
|
|
NEW_LIB_WR ADDR(GNU_C_BUILTIN_LIB_RO) + SIZEOF(GNU_C_BUILTIN_LIB_RO) : { lib_a-*.o(.data ) } /* > INTERNAL_RAM*/
|
||
|
|
|
||
|
|
|
||
|
|
__init_start = DEFINED(__USE_INTERNAL_MEM_) ? ORIGIN(BANK1_SRAM) : (ADDR(NEW_LIB_WR) + SIZEOF(NEW_LIB_WR) ) ;
|
||
|
|
__init_start = DEFINED(__USE_INTERNAL_MEM_FOR_NEW_LIB_) ? ADDR(NEW_LIB_WR) + SIZEOF(NEW_LIB_WR) : __init_start;
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat <<EOF
|
||
|
|
/* Read-only sections, merged into text segment: */
|
||
|
|
/*${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}}*/
|
||
|
|
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
|
||
|
|
${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
|
||
|
|
${INITIAL_READONLY_SECTIONS}
|
||
|
|
.note.gnu.build-id ${RELOCATING-0}: { *(.note.gnu.build-id) }
|
||
|
|
EOF
|
||
|
|
|
||
|
|
test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN
|
||
|
|
test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC=
|
||
|
|
cat > ldscripts/dyntmp.$$ <<EOF
|
||
|
|
${TEXT_DYNAMIC+${DYNAMIC}}
|
||
|
|
.hash ${RELOCATING-0} : { *(.hash) }
|
||
|
|
.gnu.hash ${RELOCATING-0} : { *(.gnu.hash) }
|
||
|
|
.dynsym ${RELOCATING-0} : { *(.dynsym) }
|
||
|
|
.dynstr ${RELOCATING-0} : { *(.dynstr) }
|
||
|
|
.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
|
||
|
|
.gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) }
|
||
|
|
.gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) }
|
||
|
|
EOF
|
||
|
|
|
||
|
|
if [ "x$COMBRELOC" = x ]; then
|
||
|
|
COMBRELOCCAT="cat >> ldscripts/dyntmp.$$"
|
||
|
|
else
|
||
|
|
COMBRELOCCAT="cat > $COMBRELOC"
|
||
|
|
fi
|
||
|
|
eval $COMBRELOCCAT <<EOF
|
||
|
|
.rel.init ${RELOCATING-0} : { *(.rel.init) }
|
||
|
|
.rela.init ${RELOCATING-0} : { *(.rela.init) }
|
||
|
|
.rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) }
|
||
|
|
.rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) }
|
||
|
|
.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
|
||
|
|
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
|
||
|
|
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
|
||
|
|
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
|
||
|
|
${OTHER_READONLY_RELOC_SECTIONS}
|
||
|
|
.rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) }
|
||
|
|
.rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .rela.gnu.linkonce.d.rel.ro.*}) }
|
||
|
|
.rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
|
||
|
|
.rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
|
||
|
|
.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
|
||
|
|
.rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
|
||
|
|
.rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
|
||
|
|
.rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) }
|
||
|
|
.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
|
||
|
|
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
|
||
|
|
.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
|
||
|
|
.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
|
||
|
|
.rel.got ${RELOCATING-0} : { *(.rel.got) }
|
||
|
|
.rela.got ${RELOCATING-0} : { *(.rela.got) }
|
||
|
|
${OTHER_GOT_RELOC_SECTIONS}
|
||
|
|
${REL_SDATA}
|
||
|
|
${REL_SBSS}
|
||
|
|
${REL_SDATA2}
|
||
|
|
${REL_SBSS2}
|
||
|
|
.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
|
||
|
|
.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
|
||
|
|
${REL_LARGE}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
if [ -n "$COMBRELOC" ]; then
|
||
|
|
cat >> ldscripts/dyntmp.$$ <<EOF
|
||
|
|
.rel.dyn ${RELOCATING-0} :
|
||
|
|
{
|
||
|
|
EOF
|
||
|
|
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
|
||
|
|
cat >> ldscripts/dyntmp.$$ <<EOF
|
||
|
|
}
|
||
|
|
.rela.dyn ${RELOCATING-0} :
|
||
|
|
{
|
||
|
|
EOF
|
||
|
|
sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
|
||
|
|
cat >> ldscripts/dyntmp.$$ <<EOF
|
||
|
|
}
|
||
|
|
EOF
|
||
|
|
fi
|
||
|
|
|
||
|
|
cat >> ldscripts/dyntmp.$$ <<EOF
|
||
|
|
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
|
||
|
|
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
|
||
|
|
${OTHER_PLT_RELOC_SECTIONS}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
if test -z "${NON_ALLOC_DYN}"; then
|
||
|
|
if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
|
||
|
|
cat ldscripts/dyntmp.$$
|
||
|
|
else
|
||
|
|
if test -z "${NO_REL_RELOCS}"; then
|
||
|
|
sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
if test -z "${NO_RELA_RELOCS}"; then
|
||
|
|
sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
rm -f ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
|
||
|
|
cat <<EOF
|
||
|
|
|
||
|
|
.init ${RELOCATING-0}${RELOCATING+__init_start} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${INIT_START}}
|
||
|
|
KEEP (*(SORT_NONE(.init)))
|
||
|
|
${RELOCATING+${INIT_END}}
|
||
|
|
} /* ${RELOCATING+ > INTERNAL_RAM} */ =${NOP-0}
|
||
|
|
|
||
|
|
${TEXT_PLT+${PLT}}
|
||
|
|
${TINY_READONLY_SECTION}
|
||
|
|
|
||
|
|
.fini ${RELOCATING-0}${RELOCATING+ADDR(.init)+SIZEOF(.init)} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${FINI_START}}
|
||
|
|
KEEP (*(SORT_NONE(.fini)))
|
||
|
|
${RELOCATING+${FINI_END}}
|
||
|
|
} /* ${RELOCATING+ > INTERNAL_RAM} */ =${NOP-0}
|
||
|
|
|
||
|
|
.text ${RELOCATING-0}${RELOCATING+ADDR(.fini)+SIZEOF(.fini)} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${TEXT_START_SYMBOLS}}
|
||
|
|
*(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*})
|
||
|
|
/* .gnu.warning sections are handled specially by elf.em. */
|
||
|
|
*(.gnu.warning)
|
||
|
|
${RELOCATING+${OTHER_TEXT_SECTIONS}}
|
||
|
|
} /* ${RELOCATING+ > INTERNAL_RAM} */ =${NOP-0}
|
||
|
|
|
||
|
|
${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);}
|
||
|
|
${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);}
|
||
|
|
${RELOCATING+PROVIDE (${ETEXT_NAME} = .);}
|
||
|
|
${WRITABLE_RODATA-${RODATA}}
|
||
|
|
.rodata1 ${RELOCATING-0} : { *(.rodata1) }
|
||
|
|
${CREATE_SHLIB-${SDATA2}}
|
||
|
|
${CREATE_SHLIB-${SBSS2}}
|
||
|
|
${OTHER_READONLY_SECTIONS}
|
||
|
|
.eh_frame_hdr ${RELOCATING-0} : { *(.eh_frame_hdr) }
|
||
|
|
.eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) }
|
||
|
|
.gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) }
|
||
|
|
|
||
|
|
/* Adjust the address for the data segment. We want to adjust up to
|
||
|
|
the same address within the page on the next page up. */
|
||
|
|
${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}}
|
||
|
|
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
|
||
|
|
${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
|
||
|
|
|
||
|
|
/* Exception handling */
|
||
|
|
.eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) }
|
||
|
|
.gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) }
|
||
|
|
|
||
|
|
/* Thread Local Storage sections */
|
||
|
|
.tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
|
||
|
|
.tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
|
||
|
|
|
||
|
|
.preinit_array ${RELOCATING-0} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}}
|
||
|
|
KEEP (*(.preinit_array))
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}}
|
||
|
|
}
|
||
|
|
.init_array ${RELOCATING-0} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}}
|
||
|
|
${RELOCATING+KEEP (*(SORT(.init_array.*)))}
|
||
|
|
KEEP (*(.init_array))
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}}
|
||
|
|
}
|
||
|
|
.fini_array ${RELOCATING-0} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}}
|
||
|
|
KEEP (*(.fini_array))
|
||
|
|
${RELOCATING+KEEP (*(SORT(.fini_array.*)))}
|
||
|
|
${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}}
|
||
|
|
}
|
||
|
|
${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
|
||
|
|
${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
|
||
|
|
.jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
|
||
|
|
|
||
|
|
${RELOCATING+${DATARELRO}}
|
||
|
|
${OTHER_RELRO_SECTIONS}
|
||
|
|
${TEXT_DYNAMIC-${DYNAMIC}}
|
||
|
|
${DATA_GOT+${RELRO_NOW+${GOT}}}
|
||
|
|
${DATA_GOT+${RELRO_NOW+${GOTPLT}}}
|
||
|
|
${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}}
|
||
|
|
${RELOCATING+${DATA_SEGMENT_RELRO_END}}
|
||
|
|
${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}}
|
||
|
|
${DATA_GOT+${RELRO_NOW-${GOTPLT}}}
|
||
|
|
|
||
|
|
${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}}
|
||
|
|
|
||
|
|
.data ${RELOCATING-0}${RELOCATING+ADDR(.dtors)+SIZEOF(.dtors)} :
|
||
|
|
{
|
||
|
|
${RELOCATING+${DATA_START_SYMBOLS}}
|
||
|
|
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
|
||
|
|
${CONSTRUCTING+SORT(CONSTRUCTORS)}
|
||
|
|
} /* ${RELOCATING+ > INTERNAL_RAM} */
|
||
|
|
.data1 ${RELOCATING-0} : { *(.data1) }
|
||
|
|
${WRITABLE_RODATA+${RODATA}}
|
||
|
|
${OTHER_READWRITE_SECTIONS}
|
||
|
|
${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}}
|
||
|
|
${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}}
|
||
|
|
${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}
|
||
|
|
${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS}}}
|
||
|
|
${SDATA_GOT+${GOT}}
|
||
|
|
${SDATA_GOT+${OTHER_GOT_SECTIONS}}
|
||
|
|
${SDATA}
|
||
|
|
${OTHER_SDATA_SECTIONS}
|
||
|
|
${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}}
|
||
|
|
/* Align ___bss_start and _end to a multiple of 8 so that we can use strd
|
||
|
|
to clear bss. N.B., without adding any extra alignment, we would have
|
||
|
|
to clear the bss byte by byte. */
|
||
|
|
${RELOCATING+. = ALIGN(8);}
|
||
|
|
${RELOCATING+___bss_start = .;}
|
||
|
|
${RELOCATING+${OTHER_BSS_SYMBOLS}}
|
||
|
|
${SBSS}
|
||
|
|
${BSS_PLT+${PLT}}
|
||
|
|
.bss ${RELOCATING-0}${RELOCATING+ADDR(.rodata)+SIZEOF(.rodata)} :
|
||
|
|
{
|
||
|
|
${RELOCATING+*(.dynbss)}
|
||
|
|
*(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*})
|
||
|
|
${RELOCATING+*(COMMON)
|
||
|
|
/* Align here to ensure that the .bss section occupies space up to
|
||
|
|
_end. Align after .bss to ensure correct alignment even if the
|
||
|
|
.bss section disappears because there are no input sections.
|
||
|
|
FIXME: Why do we need it? When there is no .bss section, we do not
|
||
|
|
pad the .data section. */
|
||
|
|
. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
|
||
|
|
} /* ${RELOCATING+ > INTERNAL_RAM} */
|
||
|
|
${OTHER_BSS_SECTIONS}
|
||
|
|
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
|
||
|
|
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||
|
|
${LARGE_SECTIONS}
|
||
|
|
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
||
|
|
${RELOCATING+. = ALIGN(8);}
|
||
|
|
${RELOCATING+${OTHER_END_SYMBOLS}}
|
||
|
|
${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}}
|
||
|
|
${RELOCATING+${DATA_SEGMENT_END}}
|
||
|
|
|
||
|
|
${RELOCATING+PROVIDE ( __stack_start_ = ORIGIN(EXTERNAL_DRAM_0) + __PROG_SIZE_FOR_CORE__ * __CORE_NUM_ + __PROG_SIZE_FOR_CORE__ - 0x10) ;}
|
||
|
|
.stack ${RELOCATING-0}${RELOCATING+__stack_start_} : { ${RELOCATING+___stack = .;} *(.stack) }
|
||
|
|
|
||
|
|
${RELOCATING+PROVIDE ( ___heap_start = ORIGIN(EXTERNAL_DRAM_1) + __HEAP_SIZE_FOR_CORE__ * __CORE_NUM_ );}
|
||
|
|
${RELOCATING+PROVIDE ( ___heap_end = ORIGIN(EXTERNAL_DRAM_1) + __HEAP_SIZE_FOR_CORE__ * __CORE_NUM_ + __HEAP_SIZE_FOR_CORE__ - 4 );}
|
||
|
|
EOF
|
||
|
|
|
||
|
|
if test -n "${NON_ALLOC_DYN}"; then
|
||
|
|
if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
|
||
|
|
cat ldscripts/dyntmp.$$
|
||
|
|
else
|
||
|
|
if test -z "${NO_REL_RELOCS}"; then
|
||
|
|
sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
if test -z "${NO_RELA_RELOCS}"; then
|
||
|
|
sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
rm -f ldscripts/dyntmp.$$
|
||
|
|
fi
|
||
|
|
|
||
|
|
cat <<EOF
|
||
|
|
/* Stabs debugging sections. */
|
||
|
|
.stab 0 : { *(.stab) }
|
||
|
|
.stabstr 0 : { *(.stabstr) }
|
||
|
|
.stab.excl 0 : { *(.stab.excl) }
|
||
|
|
.stab.exclstr 0 : { *(.stab.exclstr) }
|
||
|
|
.stab.index 0 : { *(.stab.index) }
|
||
|
|
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||
|
|
|
||
|
|
.comment 0 : { *(.comment) }
|
||
|
|
|
||
|
|
EOF
|
||
|
|
|
||
|
|
. $srcdir/scripttempl/DWARF.sc
|
||
|
|
|
||
|
|
cat <<EOF
|
||
|
|
${ATTRS_SECTIONS}
|
||
|
|
${OTHER_SECTIONS}
|
||
|
|
${RELOCATING+${OTHER_SYMBOLS}}
|
||
|
|
${RELOCATING+${DISCARDED}}
|
||
|
|
}
|
||
|
|
EOF
|