X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=ld%2Fscripttempl%2Felf.sc;h=0d61881185018071cc20475c8477af1f958cf76a;hb=5fa5f8f5fe494ba4fe98c11899a5464cd164ec75;hp=ec78c908267ffe92d536443e0285cfe0a8496644;hpb=e0a3af227ee0602ae69320fd6f931c363f14975b;p=binutils-gdb.git diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc index ec78c908267..0d618811850 100644 --- a/ld/scripttempl/elf.sc +++ b/ld/scripttempl/elf.sc @@ -1,5 +1,5 @@ -# Copyright (C) 2014-2015 Free Software Foundation, Inc. -# +# Copyright (C) 2014-2019 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. @@ -37,6 +37,7 @@ # writeable data sections. # OTHER_GOT_SYMBOLS - symbols defined just before .got. # OTHER_GOT_SECTIONS - sections just after .got. +# OTHER_PLT_SECTIONS - sections just after .plt. # OTHER_SDATA_SECTIONS - sections just after .sdata. # OTHER_BSS_SYMBOLS - symbols that appear at the start of the # .bss section besides __bss_start. @@ -54,9 +55,9 @@ # 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. +# combination of .init sections. # FINI_START, FINI_END - statements just before and just after -# combination of .fini sections. +# 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, @@ -108,6 +109,7 @@ else FILL= fi +test -n "$CREATE_SHLIB$CREATE_PIE" && CREATE_PIC=" " test -z "$RODATA_NAME" && RODATA_NAME=rodata test -z "$SDATA_NAME" && SDATA_NAME=sdata test -z "$SBSS_NAME" && SBSS_NAME=sbss @@ -120,52 +122,54 @@ test -z "${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 test "${SEGMENT_SIZE}" != "${MAXPAGESIZE}"; then - DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" - else - DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" +if test -z "$DATA_SEGMENT_ALIGN"; then + test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" + test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" + DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + DATA_SEGMENT_RELRO_END="" + DATA_SEGMENT_END="" + if test -n "${COMMONPAGESIZE}"; then + if test "${SEGMENT_SIZE}" != "${MAXPAGESIZE}"; then + DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + else + DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + fi + DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" + DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" 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)} } + PLT=".plt ${RELOCATING-0} : { *(.plt)${RELOCATING+${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) }" + GOT=".got ${RELOCATING-0} : {${RELOCATING+ *(.got.plt) *(.igot.plt)} *(.got)${RELOCATING+ *(.igot)} }" else - GOT=".got ${RELOCATING-0} : { *(.got) *(.igot) }" - GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) }" + GOT=".got ${RELOCATING-0} : { *(.got)${RELOCATING+ *(.igot)} }" + GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt)${RELOCATING+ *(.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 = .);}} + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}} *(.rel.iplt) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}} + ${RELOCATING+${CREATE_PIC-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 = .);}} + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}} *(.rela.iplt) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}} + ${RELOCATING+${CREATE_PIC-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.*}) }" @@ -176,9 +180,9 @@ if test -z "${NO_SMALL_DATA}"; then { ${RELOCATING+${SBSS_START_SYMBOLS}} ${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)} - *(.dyn${SBSS_NAME}) + ${RELOCATING+*(.dyn${SBSS_NAME})} *(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*}) - *(.scommon) + ${RELOCATING+*(.scommon)} ${RELOCATING+${SBSS_END_SYMBOLS}} }" SBSS2=".${SBSS_NAME}2 ${RELOCATING-0} : { *(.${SBSS_NAME}2${RELOCATING+ .${SBSS_NAME}2.* .gnu.linkonce.sb2.*}) }" @@ -228,9 +232,9 @@ test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" test "${LARGE_SECTIONS}" = "yes" && LARGE_BSS=" .lbss ${RELOCATING-0} : { - *(.dynlbss) + ${RELOCATING+*(.dynlbss)} *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) - *(LARGE_COMMON) + ${RELOCATING+*(LARGE_COMMON)} }" test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : @@ -253,19 +257,25 @@ else CTORS_IN_INIT_ARRAY= DTORS_IN_FINI_ARRAY= fi -INIT_ARRAY=".init_array ${RELOCATING-0} : +PREINIT_ARRAY=".preinit_array : { - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}} + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);} + KEEP (*(.preinit_array)) + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);} + }" +INIT_ARRAY=".init_array : + { + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);} ${SORT_INIT_ARRAY} KEEP (*(.init_array ${CTORS_IN_INIT_ARRAY})) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}} + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);} }" -FINI_ARRAY=".fini_array ${RELOCATING-0} : +FINI_ARRAY=".fini_array : { - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}} + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);} ${SORT_FINI_ARRAY} KEEP (*(.fini_array ${DTORS_IN_FINI_ARRAY})) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}} + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);} }" CTOR=".ctors ${CONSTRUCTING-0} : { @@ -303,15 +313,27 @@ DTOR=".dtors ${CONSTRUCTING-0} : KEEP (*(.dtors)) ${CONSTRUCTING+${DTOR_END}} }" -STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : +STACK=".stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : { ${RELOCATING+${USER_LABEL_PREFIX}_stack = .;} *(.stack) + ${RELOCATING+${STACK_SENTINEL}} }" TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" +# Don't bother with separate code segment when there are data sections +# between .plt and .text. +if test -z "$TINY_READONLY_SECTION"; then + case "$LD_FLAG" in + *textonly*) + SEPARATE_TEXT=" " + TEXT_SEGMENT_ALIGN=". = ALIGN(${MAXPAGESIZE});" + ;; + esac +fi + if [ -z "$SEPARATE_CODE" ]; then SIZEOF_HEADERS_CODE=" + SIZEOF_HEADERS" else @@ -326,7 +348,7 @@ else fi cat <> ldscripts/dyntmp.$$ <> ldscripts/dyntmp.$$ +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;/__rela_iplt_/d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ cat >> ldscripts/dyntmp.$$ <> ldscripts/dyntmp.$$ +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;/__rel_iplt_/d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ cat >> ldscripts/dyntmp.$$ <> ldscripts/dyntmp.$$ <