diff options
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/scripttempl/elf.sc | 61 |
2 files changed, 40 insertions, 27 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 2849c5a..bf0c9bf 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2010-03-23 Joseph Myers <joseph@codesourcery.com> + + * scripttempl/elf.sc (RODATA_NAME, SDATA_NAME, SBSS_NAME, + BSS_NAME): Define if not already defined. Use in place of some + hardcoded section names. + 2010-03-18 H.J. Lu <hongjiu.lu@intel.com> * scripttempl/elf.sc (INIT_ARRAY): Re-indent. diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc index 56deb2e..62120fc 100644 --- a/ld/scripttempl/elf.sc +++ b/ld/scripttempl/elf.sc @@ -58,6 +58,8 @@ # 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. @@ -89,6 +91,10 @@ # # Each of these can also have corresponding .rel.* and .rela.* sections. +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} @@ -141,42 +147,42 @@ RELA_IPLT=".rela.iplt ${RELOCATING-0} : ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}} }" DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" -RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" +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* .gnu.linkonce.d.rel.ro.*) }" DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : + SBSS=".${SBSS_NAME} ${RELOCATING-0} : { ${RELOCATING+${SBSS_START_SYMBOLS}} - ${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)} - *(.dynsbss) - *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) + ${CREATE_SHLIB+*(.${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=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }" + 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 ${RELOCATING-0} : + .${SDATA_NAME} ${RELOCATING-0} : { ${RELOCATING+${SDATA_START_SYMBOLS}} - ${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)} - *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*}) + ${CREATE_SHLIB+*(.${SDATA_NAME}2 .${SDATA_NAME}2.* .gnu.linkonce.s2.*)} + *(.${SDATA_NAME}${RELOCATING+ .${SDATA_NAME}.* .gnu.linkonce.s.*}) }" - SDATA2=".sdata2 ${RELOCATING-0} : + SDATA2=".${SDATA_NAME}2 ${RELOCATING-0} : { ${RELOCATING+${SDATA2_START_SYMBOLS}} - *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) + *(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .gnu.linkonce.s2.*}) }" - REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) } - .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }" - REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) } - .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }" - REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) } - .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }" - REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) } - .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }" + 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 @@ -332,13 +338,14 @@ eval $COMBRELOCCAT <<EOF .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.*}) } + .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.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.*}) } + ${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.*}) } @@ -354,8 +361,8 @@ eval $COMBRELOCCAT <<EOF ${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.${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} @@ -441,7 +448,7 @@ cat <<EOF ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} ${WRITABLE_RODATA-${RODATA}} - .rodata1 ${RELOCATING-0} : { *(.rodata1) } + .${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) } ${CREATE_SHLIB-${SDATA2}} ${CREATE_SHLIB-${SBSS2}} ${OTHER_READONLY_SECTIONS} @@ -509,10 +516,10 @@ cat <<EOF ${RELOCATING+${OTHER_BSS_SYMBOLS}} ${SBSS} ${BSS_PLT+${PLT}} - .bss ${RELOCATING-0} : + .${BSS_NAME} ${RELOCATING-0} : { - *(.dynbss) - *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*}) + *(.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 |