# Copyright (C) 2014 Free Software Foundation, Inc. # # Copying and distribution of this file, with or without modification, # are permitted in any medium without royalty provided the copyright # notice and this notice are preserved. # # Unusual variables checked by this code: # NOP - four byte opcode for no-op (defaults to none) # NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not # empty. # SMALL_DATA_CTOR - .ctors contains small data. # SMALL_DATA_DTOR - .dtors contains small data. # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start # INITIAL_READONLY_SECTIONS - at start of text segment # OTHER_READONLY_SECTIONS - other than .text .init .rodata ... # (e.g., .PARISC.milli) # OTHER_TEXT_SECTIONS - these get put in .text when relocating # INITIAL_READWRITE_SECTIONS - at start of data segment (after relro) # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... # (e.g., .PARISC.global) # OTHER_RELRO_SECTIONS - other than .data.rel.ro ... # (e.g. PPC32 .fixup, .got[12]) # OTHER_BSS_SECTIONS - other than .bss .sbss ... # ATTRS_SECTIONS - at the end # OTHER_SECTIONS - at the end # EXECUTABLE_SYMBOLS - symbols that must be defined for an # executable (e.g., _DYNAMIC_LINK) # TEXT_START_ADDR - the first byte of the text segment, after any # headers. # TEXT_BASE_ADDRESS - the first byte of the text segment. # TEXT_START_SYMBOLS - symbols that appear at the start of the # .text section. # DATA_START_SYMBOLS - symbols that appear at the start of the # .data section. # DATA_END_SYMBOLS - symbols that appear at the end of the # writeable data sections. # OTHER_GOT_SYMBOLS - symbols defined just before .got. # OTHER_GOT_SECTIONS - sections just after .got. # OTHER_SDATA_SECTIONS - sections just after .sdata. # OTHER_BSS_SYMBOLS - symbols that appear at the start of the # .bss section besides __bss_start. # PLT_NEXT_DATA - .plt next to data segment when .plt is in text segment. # DATA_PLT - .plt should be in data segment, not text segment. # PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement. # BSS_PLT - .plt should be in bss segment # NO_REL_RELOCS - Don't include .rel.* sections in script # NO_RELA_RELOCS - Don't include .rela.* sections in script # NON_ALLOC_DYN - Place dynamic sections after data segment. # TEXT_DYNAMIC - .dynamic in text segment, not data segment. # EMBEDDED - whether this is for an embedded system. # SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set # start address of shared library. # INPUT_FILES - INPUT command of files to always include # WRITABLE_RODATA - if set, the .rodata section should be writable # INIT_START, INIT_END - statements just before and just after # combination of .init sections. # FINI_START, FINI_END - statements just before and just after # combination of .fini sections. # STACK_ADDR - start of a .stack section. # OTHER_SYMBOLS - symbols to place right at the end of the script. # ETEXT_NAME - name of a symbol for the end of the text section, # normally etext. # SEPARATE_CODE - if set, .text and similar sections containing # actual machine instructions must be in wholly disjoint # pages from any other data, including headers # SEPARATE_GOTPLT - if set, .got.plt should be separate output section, # so that .got can be in the RELRO area. It should be set to # the number of bytes in the beginning of .got.plt which can be # in the RELRO area as well. # USER_LABEL_PREFIX - prefix to add to user-visible symbols. # RODATA_NAME, SDATA_NAME, SBSS_NAME, BSS_NAME - base parts of names # for standard sections, without initial "." or suffixes. # # When adding sections, do note that the names of some sections are used # when specifying the start address of the next. # # Many sections come in three flavours. There is the 'real' section, # like ".data". Then there are the per-procedure or per-variable # sections, generated by -ffunction-sections and -fdata-sections in GCC, # and useful for --gc-sections, which for a variable "foo" might be # ".data.foo". Then there are the linkonce sections, for which the linker # eliminates duplicates, which are named like ".gnu.linkonce.d.foo". # The exact correspondences are: # # Section Linkonce section # .text .gnu.linkonce.t.foo # .rodata .gnu.linkonce.r.foo # .data .gnu.linkonce.d.foo # .bss .gnu.linkonce.b.foo # .sdata .gnu.linkonce.s.foo # .sbss .gnu.linkonce.sb.foo # .sdata2 .gnu.linkonce.s2.foo # .sbss2 .gnu.linkonce.sb2.foo # .debug_info .gnu.linkonce.wi.foo # .tdata .gnu.linkonce.td.foo # .tbss .gnu.linkonce.tb.foo # .lrodata .gnu.linkonce.lr.foo # .ldata .gnu.linkonce.l.foo # .lbss .gnu.linkonce.lb.foo # # Each of these can also have corresponding .rel.* and .rela.* sections. if test -n "$NOP"; then FILL="=$NOP" else FILL= fi test -z "$RODATA_NAME" && RODATA_NAME=rodata test -z "$SDATA_NAME" && SDATA_NAME=sdata test -z "$SBSS_NAME" && SBSS_NAME=sbss test -z "$BSS_NAME" && BSS_NAME=bss test -z "$ENTRY" && ENTRY=${USER_LABEL_PREFIX}_start test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi test -z "${ELFSIZE}" && ELFSIZE=32 test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" test "$LD_FLAG" = "N" && DATA_ADDR=. test -z "${ETEXT_NAME}" && ETEXT_NAME=${USER_LABEL_PREFIX}etext test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" DATA_SEGMENT_RELRO_END="" DATA_SEGMENT_END="" if test -n "${COMMONPAGESIZE}"; then if [ "$ELFSIZE" = "64" ]; then DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" else # For 32, we align at exactly a page boundary. DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" fi DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" fi if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" fi if test -z "$PLT"; then IPLT=".iplt ${RELOCATING-0} : { *(.iplt) }" PLT=".plt ${RELOCATING-0} : { *(.plt)${IREL_IN_PLT+ *(.iplt)} } ${IREL_IN_PLT-$IPLT}" fi test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT= if test -z "$GOT"; then if test -z "$SEPARATE_GOTPLT"; then GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }" else GOT=".got ${RELOCATING-0} : { *(.got) *(.igot) }" GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) }" fi fi REL_IFUNC=".rel.ifunc ${RELOCATING-0} : { *(.rel.ifunc) }" RELA_IFUNC=".rela.ifunc ${RELOCATING-0} : { *(.rela.ifunc) }" REL_IPLT=".rel.iplt ${RELOCATING-0} : { ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}} *(.rel.iplt) ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}} }" RELA_IPLT=".rela.iplt ${RELOCATING-0} : { ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}} *(.rela.iplt) ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}} }" DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }" if test -z "${NO_SMALL_DATA}"; then SBSS=".${SBSS_NAME} ${RELOCATING-0} : { ${RELOCATING+${SBSS_START_SYMBOLS}} ${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)} *(.dyn${SBSS_NAME}) *(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*}) *(.scommon) ${RELOCATING+${SBSS_END_SYMBOLS}} }" SBSS2=".${SBSS_NAME}2 ${RELOCATING-0} : { *(.${SBSS_NAME}2${RELOCATING+ .${SBSS_NAME}2.* .gnu.linkonce.sb2.*}) }" SDATA="/* We want the small data sections together, so single-instruction offsets can access them all, and initialized data all before uninitialized, so we can shorten the on-disk segment size. */ .${SDATA_NAME} ${RELOCATING-0} : { ${RELOCATING+${SDATA_START_SYMBOLS}} ${CREATE_SHLIB+*(.${SDATA_NAME}2 .${SDATA_NAME}2.* .gnu.linkonce.s2.*)} *(.${SDATA_NAME}${RELOCATING+ .${SDATA_NAME}.* .gnu.linkonce.s.*}) }" SDATA2=".${SDATA_NAME}2 ${RELOCATING-0} : { ${RELOCATING+${SDATA2_START_SYMBOLS}} *(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .gnu.linkonce.s2.*}) }" REL_SDATA=".rel.${SDATA_NAME} ${RELOCATING-0} : { *(.rel.${SDATA_NAME}${RELOCATING+ .rel.${SDATA_NAME}.* .rel.gnu.linkonce.s.*}) } .rela.${SDATA_NAME} ${RELOCATING-0} : { *(.rela.${SDATA_NAME}${RELOCATING+ .rela.${SDATA_NAME}.* .rela.gnu.linkonce.s.*}) }" REL_SBSS=".rel.${SBSS_NAME} ${RELOCATING-0} : { *(.rel.${SBSS_NAME}${RELOCATING+ .rel.${SBSS_NAME}.* .rel.gnu.linkonce.sb.*}) } .rela.${SBSS_NAME} ${RELOCATING-0} : { *(.rela.${SBSS_NAME}${RELOCATING+ .rela.${SBSS_NAME}.* .rela.gnu.linkonce.sb.*}) }" REL_SDATA2=".rel.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rel.${SDATA_NAME}2${RELOCATING+ .rel.${SDATA_NAME}2.* .rel.gnu.linkonce.s2.*}) } .rela.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rela.${SDATA_NAME}2${RELOCATING+ .rela.${SDATA_NAME}2.* .rela.gnu.linkonce.s2.*}) }" REL_SBSS2=".rel.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rel.${SBSS_NAME}2${RELOCATING+ .rel.${SBSS_NAME}2.* .rel.gnu.linkonce.sb2.*}) } .rela.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rela.${SBSS_NAME}2${RELOCATING+ .rela.${SBSS_NAME}2.* .rela.gnu.linkonce.sb2.*}) }" else NO_SMALL_DATA=" " fi if test -z "${DATA_GOT}"; then if test -n "${NO_SMALL_DATA}"; then DATA_GOT=" " fi fi if test -z "${SDATA_GOT}"; then if test -z "${NO_SMALL_DATA}"; then SDATA_GOT=" " fi fi test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" " test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) } .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) } .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) } .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" test "${LARGE_SECTIONS}" = "yes" && LARGE_BSS=" .lbss ${RELOCATING-0} : { *(.dynlbss) *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) *(LARGE_COMMON) }" test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : { *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) } .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : { *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*}) ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} }" if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))" SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))" CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o $OTHER_EXCLUDE_FILES) .ctors" DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o $OTHER_EXCLUDE_FILES) .dtors" else SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))" SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))" CTORS_IN_INIT_ARRAY= DTORS_IN_FINI_ARRAY= fi INIT_ARRAY=".init_array ${RELOCATING-0} : { KEEP (*crtbegin*.o(.init_array)) ${SORT_INIT_ARRAY} KEEP (*(.init_array ${CTORS_IN_INIT_ARRAY})) }" FINI_ARRAY=".fini_array ${RELOCATING-0} : { KEEP (*crtbegin*.o(.fini_array)) ${SORT_FINI_ARRAY} KEEP (*(.fini_array ${DTORS_IN_FINI_ARRAY})) }" CTOR=".ctors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${CTOR_START}} /* gcc uses crtbegin.o to find the start of the constructors, so we make sure it is first. Because this is a wildcard, it doesn't matter if the user does not actually link against crtbegin.o; the linker won't look for a file to match a wildcard. The wildcard also means that it doesn't matter which directory crtbegin.o is in. */ KEEP (*crtbegin.o(.ctors)) KEEP (*crtbegin*.o(.ctors)) /* We don't want to include the .ctor section from the crtend.o file until after the sorted ctors. The .ctor section from the crtend file contains the end of ctors marker and it must be last */ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o $OTHER_EXCLUDE_FILES) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) ${CONSTRUCTING+${CTOR_END}} }" DTOR=".dtors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${DTOR_START}} KEEP (*crtbegin.o(.dtors)) KEEP (*crtbegin*.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o $OTHER_EXCLUDE_FILES) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) ${CONSTRUCTING+${DTOR_END}} }" STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : { ${RELOCATING+${USER_LABEL_PREFIX}_stack = .;} *(.stack) }" # For Android, remove SEGMENT_START. #TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" #SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" TEXT_START_ADDR="${TEXT_START_ADDR}" SHLIB_TEXT_START_ADDR="0" if [ -z "$SEPARATE_CODE" ]; then SIZEOF_HEADERS_CODE=" + SIZEOF_HEADERS" else SIZEOF_HEADERS_CODE= fi # If this is for an embedded system, don't add SIZEOF_HEADERS. if [ -z "$EMBEDDED" ]; then test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}${SIZEOF_HEADERS_CODE}" else test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" fi cat <<EOF /* Copyright (C) 2014 Free Software Foundation, Inc. Copying and distribution of this script, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. */ OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", "${LITTLE_OUTPUT_FORMAT}") OUTPUT_ARCH(${OUTPUT_ARCH}) ${RELOCATING+ENTRY(${ENTRY})} ${RELOCATING+${LIB_SEARCH_DIRS}} ${RELOCATING+${EXECUTABLE_SYMBOLS}} ${RELOCATING+${INPUT_FILES}} ${RELOCATING- /* For some reason, the Solaris linker makes bad executables if gld -r is used and the intermediate file has sections starting at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld bug. But for now assigning the zero vmas works. */} SECTIONS { /* Read-only sections, merged into text segment: */ ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} ${CREATE_PIE+${RELOCATING+PROVIDE (__executable_start = ${SHLIB_TEXT_START_ADDR}); . = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} EOF emit_early_ro() { cat <<EOF ${INITIAL_READONLY_SECTIONS} .note.gnu.build-id : { *(.note.gnu.build-id) } EOF } test -n "${SEPARATE_CODE}" || emit_early_ro 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 ${INITIAL_RELOC_SECTIONS} .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_NAME} ${RELOCATING-0} : { *(.rel.${RODATA_NAME}${RELOCATING+ .rel.${RODATA_NAME}.* .rel.gnu.linkonce.r.*}) } .rela.${RODATA_NAME} ${RELOCATING-0} : { *(.rela.${RODATA_NAME}${RELOCATING+ .rela.${RODATA_NAME}.* .rela.gnu.linkonce.r.*}) } ${OTHER_READONLY_RELOC_SECTIONS} .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+ .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*}) } .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+ .rela.data.rel.ro.* .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.*}) } ${OTHER_READWRITE_RELOC_SECTIONS} .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_NAME} ${RELOCATING-0} : { *(.rel.${BSS_NAME}${RELOCATING+ .rel.${BSS_NAME}.* .rel.gnu.linkonce.b.*}) } .rela.${BSS_NAME} ${RELOCATING-0} : { *(.rela.${BSS_NAME}${RELOCATING+ .rela.${BSS_NAME}.* .rela.gnu.linkonce.b.*}) } ${REL_LARGE} ${IREL_IN_PLT+$REL_IFUNC} ${IREL_IN_PLT+$RELA_IFUNC} ${IREL_IN_PLT-$REL_IPLT} ${IREL_IN_PLT-$RELA_IPLT} EOF if [ -n "$COMBRELOC" ]; then cat >> ldscripts/dyntmp.$$ <<EOF .rel.dyn ${RELOCATING-0} : { EOF sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;/__rela_iplt_/d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ cat >> ldscripts/dyntmp.$$ <<EOF } .rela.dyn ${RELOCATING-0} : { EOF sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;/__rel_iplt_/d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ cat >> ldscripts/dyntmp.$$ <<EOF } EOF fi cat >> ldscripts/dyntmp.$$ <<EOF .rel.plt ${RELOCATING-0} : { *(.rel.plt) ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}}} ${IREL_IN_PLT+${RELOCATING+*(.rel.iplt)}} ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}}} } .rela.plt ${RELOCATING-0} : { *(.rela.plt) ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}}} ${IREL_IN_PLT+${RELOCATING+*(.rela.iplt)}} ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}} } ${OTHER_PLT_RELOC_SECTIONS} EOF emit_dyn() { if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then cat ldscripts/dyntmp.$$ else if test -z "${NO_REL_RELOCS}"; then sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d;/^[ ]*\.rela\./d;/__rela_iplt_/d' ldscripts/dyntmp.$$ fi if test -z "${NO_RELA_RELOCS}"; then sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d;/^[ ]*\.rel\./d;/__rel_iplt_/d' ldscripts/dyntmp.$$ fi fi rm -f ldscripts/dyntmp.$$ } test -n "${NON_ALLOC_DYN}${SEPARATE_CODE}" || emit_dyn cat <<EOF .init ${RELOCATING-0} : { ${RELOCATING+${INIT_START}} KEEP (*(SORT_NONE(.init))) ${RELOCATING+${INIT_END}} } ${FILL} ${TEXT_PLT+${PLT_NEXT_DATA-${PLT}}} ${TINY_READONLY_SECTION} .text ${RELOCATING-0} : { ${RELOCATING+${TEXT_START_SYMBOLS}} ${RELOCATING+*(.text.unlikely .text.*_unlikely .text.unlikely.*)} ${RELOCATING+*(.text.exit .text.exit.*)} ${RELOCATING+*(.text.startup .text.startup.*)} ${RELOCATING+*(.text.hot .text.hot.*)} *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) ${RELOCATING+${OTHER_TEXT_SECTIONS}} } ${FILL} .fini ${RELOCATING-0} : { ${RELOCATING+${FINI_START}} KEEP (*(SORT_NONE(.fini))) ${RELOCATING+${FINI_END}} } ${FILL} ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);} ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} EOF if test -n "${SEPARATE_CODE}"; then if test -n "${RODATA_ADDR}"; then RODATA_ADDR="\ SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR}) + SIZEOF_HEADERS" else RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR})" fi if test -n "${SHLIB_RODATA_ADDR}"; then SHLIB_RODATA_ADDR="\ SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR}) + SIZEOF_HEADERS" else SHLIB_RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR})" SHLIB_RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" fi cat <<EOF /* Adjust the address for the rodata segment. We want to adjust up to the same address within the page on the next page up. */ ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${RODATA_ADDR};}}} ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}} ${CREATE_PIE+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}} EOF emit_early_ro emit_dyn fi cat <<EOF ${WRITABLE_RODATA-${RODATA}} .${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) } ${CREATE_SHLIB-${SDATA2}} ${CREATE_SHLIB-${SBSS2}} ${OTHER_READONLY_SECTIONS} .eh_frame_hdr : { *(.eh_frame_hdr) } .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) } .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } /* These sections are generated by the Sun/Oracle C++ compiler. */ .exception_ranges ${RELOCATING-0} : ONLY_IF_RO { *(.exception_ranges .exception_ranges*) } ${TEXT_PLT+${PLT_NEXT_DATA+${PLT}}} /* Adjust the address for the data segment. For 32 bits we want to align at exactly a page boundary to make life easier for apriori. */ ${CREATE_SHLIB-${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 .gcc_except_table.*) } .exception_ranges ${RELOCATING-0} : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } /* Thread Local Storage sections */ .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } /* Ensure the __preinit_array_start label is properly aligned. We could instead move the label definition inside the section, but the linker would then create the section even if it turns out to be empty, which isn't pretty. */ ${RELOCATING+. = ALIGN(${ALIGNMENT});} ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}} .preinit_array ${RELOCATING-0} : { KEEP (*(.preinit_array)) } ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}} ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}} ${RELOCATING+${INIT_ARRAY}} ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}} ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}} ${RELOCATING+${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}} ${INITIAL_READWRITE_SECTIONS} ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}} ${DATA_GOT+${RELRO_NOW-${GOTPLT}}} ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}} .data ${RELOCATING-0} : { ${RELOCATING+${DATA_START_SYMBOLS}} *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) ${CONSTRUCTING+SORT(CONSTRUCTORS)} } .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 = .);}} ${RELOCATING+${USER_LABEL_PREFIX}__bss_start = .;} ${RELOCATING+${OTHER_BSS_SYMBOLS}} ${SBSS} ${BSS_PLT+${PLT}} .${BSS_NAME} ${RELOCATING-0} : { *(.dyn${BSS_NAME}) *(.${BSS_NAME}${RELOCATING+ .${BSS_NAME}.* .gnu.linkonce.b.*}) *(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. */ ${RELOCATING+. = ALIGN(${ALIGNMENT});} } ${OTHER_BSS_SECTIONS} ${LARGE_BSS_AFTER_BSS+${LARGE_BSS}} ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} ${RELOCATING+. = ALIGN(${ALIGNMENT});} EOF LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${LARGE_DATA_ADDR-.});" SHLIB_LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${SHLIB_LARGE_DATA_ADDR-.});" cat <<EOF ${RELOCATING+${CREATE_SHLIB-${CREATE_PIE-${LARGE_DATA_ADDR}}}} ${RELOCATING+${CREATE_SHLIB+${SHLIB_LARGE_DATA_ADDR}}} ${RELOCATING+${CREATE_PIE+${SHLIB_LARGE_DATA_ADDR}}} ${LARGE_SECTIONS} ${LARGE_BSS_AFTER_BSS-${LARGE_BSS}} ${RELOCATING+. = ALIGN(${ALIGNMENT});} ${RELOCATING+${OTHER_END_SYMBOLS}} ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; PROVIDE (${USER_LABEL_PREFIX}end = .);}} ${RELOCATING+${DATA_SEGMENT_END}} EOF test -z "${NON_ALLOC_DYN}" || emit_dyn 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 ${TINY_DATA_SECTION} ${TINY_BSS_SECTION} ${STACK_ADDR+${STACK}} ${ATTRS_SECTIONS} ${OTHER_SECTIONS} ${RELOCATING+${OTHER_SYMBOLS}} ${RELOCATING+${DISCARDED}} } EOF