* scripttempl/elf.sc (RODATA_NAME, SDATA_NAME, SBSS_NAME,
BSS_NAME): Define if not already defined. Use in place of some hardcoded section names.
This commit is contained in:
Joseph Myers
parent
103acc3caf
commit
349e935bad
@ -1,3 +1,9 @@
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2010-03-23 Joseph Myers <joseph@codesourcery.com>
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* scripttempl/elf.sc (RODATA_NAME, SDATA_NAME, SBSS_NAME,
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BSS_NAME): Define if not already defined. Use in place of some
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hardcoded section names.
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2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
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* scripttempl/elf.sc (INIT_ARRAY): Re-indent.
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@ -58,6 +58,8 @@
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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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# RODATA_NAME, SDATA_NAME, SBSS_NAME, BSS_NAME - base parts of names
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# for standard sections, without initial "." or suffixes.
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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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@ -89,6 +91,10 @@
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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 "$RODATA_NAME" && RODATA_NAME=rodata
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test -z "$SDATA_NAME" && SDATA_NAME=sdata
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test -z "$SBSS_NAME" && SBSS_NAME=sbss
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test -z "$BSS_NAME" && BSS_NAME=bss
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test -z "$ENTRY" && ENTRY=${USER_LABEL_PREFIX}_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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@ -141,42 +147,42 @@ RELA_IPLT=".rela.iplt ${RELOCATING-0} :
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${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}
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}"
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DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
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RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
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RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }"
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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) *(.gnu.lto_*) }"
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if test -z "${NO_SMALL_DATA}"; then
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SBSS=".sbss ${RELOCATING-0} :
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SBSS=".${SBSS_NAME} ${RELOCATING-0} :
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{
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${RELOCATING+${SBSS_START_SYMBOLS}}
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${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)}
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*(.dynsbss)
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*(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
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${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)}
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*(.dyn${SBSS_NAME})
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*(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*})
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*(.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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SBSS2=".${SBSS_NAME}2 ${RELOCATING-0} : { *(.${SBSS_NAME}2${RELOCATING+ .${SBSS_NAME}2.* .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 ${RELOCATING-0} :
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.${SDATA_NAME} ${RELOCATING-0} :
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{
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${RELOCATING+${SDATA_START_SYMBOLS}}
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${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)}
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*(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
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${CREATE_SHLIB+*(.${SDATA_NAME}2 .${SDATA_NAME}2.* .gnu.linkonce.s2.*)}
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*(.${SDATA_NAME}${RELOCATING+ .${SDATA_NAME}.* .gnu.linkonce.s.*})
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}"
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SDATA2=".sdata2 ${RELOCATING-0} :
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SDATA2=".${SDATA_NAME}2 ${RELOCATING-0} :
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{
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${RELOCATING+${SDATA2_START_SYMBOLS}}
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*(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*})
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*(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .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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REL_SDATA=".rel.${SDATA_NAME} ${RELOCATING-0} : { *(.rel.${SDATA_NAME}${RELOCATING+ .rel.${SDATA_NAME}.* .rel.gnu.linkonce.s.*}) }
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.rela.${SDATA_NAME} ${RELOCATING-0} : { *(.rela.${SDATA_NAME}${RELOCATING+ .rela.${SDATA_NAME}.* .rela.gnu.linkonce.s.*}) }"
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REL_SBSS=".rel.${SBSS_NAME} ${RELOCATING-0} : { *(.rel.${SBSS_NAME}${RELOCATING+ .rel.${SBSS_NAME}.* .rel.gnu.linkonce.sb.*}) }
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.rela.${SBSS_NAME} ${RELOCATING-0} : { *(.rela.${SBSS_NAME}${RELOCATING+ .rela.${SBSS_NAME}.* .rela.gnu.linkonce.sb.*}) }"
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REL_SDATA2=".rel.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rel.${SDATA_NAME}2${RELOCATING+ .rel.${SDATA_NAME}2.* .rel.gnu.linkonce.s2.*}) }
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.rela.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rela.${SDATA_NAME}2${RELOCATING+ .rela.${SDATA_NAME}2.* .rela.gnu.linkonce.s2.*}) }"
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REL_SBSS2=".rel.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rel.${SBSS_NAME}2${RELOCATING+ .rel.${SBSS_NAME}2.* .rel.gnu.linkonce.sb2.*}) }
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.rela.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rela.${SBSS_NAME}2${RELOCATING+ .rela.${SBSS_NAME}2.* .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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@ -332,13 +338,14 @@ eval $COMBRELOCCAT <<EOF
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.rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) }
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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.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
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.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
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.rel.${RODATA_NAME} ${RELOCATING-0} : { *(.rel.${RODATA_NAME}${RELOCATING+ .rel.${RODATA_NAME}.* .rel.gnu.linkonce.r.*}) }
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.rela.${RODATA_NAME} ${RELOCATING-0} : { *(.rela.${RODATA_NAME}${RELOCATING+ .rela.${RODATA_NAME}.* .rela.gnu.linkonce.r.*}) }
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${OTHER_READONLY_RELOC_SECTIONS}
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.rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) }
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.rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .rela.gnu.linkonce.d.rel.ro.*}) }
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.rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
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.rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
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${OTHER_READWRITE_RELOC_SECTIONS}
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.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
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.rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
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.rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
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@ -354,8 +361,8 @@ eval $COMBRELOCCAT <<EOF
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${REL_SBSS}
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${REL_SDATA2}
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${REL_SBSS2}
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.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
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.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
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.rel.${BSS_NAME} ${RELOCATING-0} : { *(.rel.${BSS_NAME}${RELOCATING+ .rel.${BSS_NAME}.* .rel.gnu.linkonce.b.*}) }
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.rela.${BSS_NAME} ${RELOCATING-0} : { *(.rela.${BSS_NAME}${RELOCATING+ .rela.${BSS_NAME}.* .rela.gnu.linkonce.b.*}) }
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${REL_LARGE}
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${IREL_IN_PLT+$REL_IFUNC}
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${IREL_IN_PLT+$RELA_IFUNC}
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@ -441,7 +448,7 @@ cat <<EOF
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${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);}
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${RELOCATING+PROVIDE (${ETEXT_NAME} = .);}
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${WRITABLE_RODATA-${RODATA}}
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.rodata1 ${RELOCATING-0} : { *(.rodata1) }
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.${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) }
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${CREATE_SHLIB-${SDATA2}}
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${CREATE_SHLIB-${SBSS2}}
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${OTHER_READONLY_SECTIONS}
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@ -509,10 +516,10 @@ cat <<EOF
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${RELOCATING+${OTHER_BSS_SYMBOLS}}
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${SBSS}
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${BSS_PLT+${PLT}}
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.bss ${RELOCATING-0} :
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.${BSS_NAME} ${RELOCATING-0} :
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{
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*(.dynbss)
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*(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*})
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*(.dyn${BSS_NAME})
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*(.${BSS_NAME}${RELOCATING+ .${BSS_NAME}.* .gnu.linkonce.b.*})
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*(COMMON)
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/* Align here to ensure that the .bss section occupies space up to
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_end. Align after .bss to ensure correct alignment even if the
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