diff options
Diffstat (limited to 'contrib/binutils/ld/scripttempl/elf.sc')
| -rw-r--r-- | contrib/binutils/ld/scripttempl/elf.sc | 310 |
1 files changed, 132 insertions, 178 deletions
diff --git a/contrib/binutils/ld/scripttempl/elf.sc b/contrib/binutils/ld/scripttempl/elf.sc index 3c1bfb4..fe8e242 100644 --- a/contrib/binutils/ld/scripttempl/elf.sc +++ b/contrib/binutils/ld/scripttempl/elf.sc @@ -1,6 +1,8 @@ # # Unusual variables checked by this code: -# NOP - two byte opcode for no-op (defaults to 0) +# NOP - four byte opcode for no-op (defaults to 0) +# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not +# empty. # 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 ... @@ -17,7 +19,8 @@ # DATA_START_SYMBOLS - symbols that appear at the start of the # .data section. # OTHER_GOT_SYMBOLS - symbols defined just before .got. -# OTHER_GOT_SECTIONS - sections just after .got and .sdata. +# 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. # DATA_PLT - .plt should be in data segment, not text segment. @@ -32,6 +35,8 @@ # 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_END_SYMBOLS - symbols to place right at the end of the script. # # When adding sections, do note that the names of some sections are used # when specifying the start address of the next. @@ -54,6 +59,7 @@ # .sbss .gnu.linkonce.sb.foo # .sdata2 .gnu.linkonce.s2.foo # .sbss2 .gnu.linkonce.sb2.foo +# .debug_info .gnu.linkonce.wi.foo # # Each of these can also have corresponding .rel.* and .rela.* sections. @@ -64,13 +70,41 @@ if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHI test -z "${ELFSIZE}" && ELFSIZE=32 test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" test "$LD_FLAG" = "N" && DATA_ADDR=. -INTERP=".interp ${RELOCATING-0} : { *(.interp) }" -PLT=".plt ${RELOCATING-0} : { *(.plt) }" -DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" -RODATA=".rodata ${RELOCATING-0} : { *(.rodata) ${RELOCATING+*(.rodata.*)} ${RELOCATING+*(.gnu.linkonce.r.*)} }" -SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) ${RELOCATING+*(.sbss2.*)} ${RELOCATING+*(.gnu.linkonce.sb2.*)} }" -SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) ${RELOCATING+*(.sdata2.*)} ${RELOCATING+*(.gnu.linkonce.s2.*)} }" -CTOR=".ctors ${CONSTRUCTING-0} : +INTERP=".interp ${RELOCATING-0} : { *(.interp) }" +PLT=".plt ${RELOCATING-0} : { *(.plt) }" +DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" +RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" +if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { + ${RELOCATING+PROVIDE (__sbss_start = .);} + ${RELOCATING+PROVIDE (___sbss_start = .);} + *(.dynsbss) + *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) + *(.scommon) + ${RELOCATING+PROVIDE (__sbss_end = .);} + ${RELOCATING+PROVIDE (___sbss_end = .);} + }" + SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .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} : + { + ${RELOCATING+${SDATA_START_SYMBOLS}} + *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*}) + }" + SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .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.*}) }" +fi +CTOR=".ctors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${CTOR_START}} /* gcc uses crtbegin.o to find the start of @@ -95,8 +129,7 @@ CTOR=".ctors ${CONSTRUCTING-0} : KEEP (*(.ctors)) ${CONSTRUCTING+${CTOR_END}} }" - -DTOR=" .dtors ${CONSTRUCTING-0} : +DTOR=".dtors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${DTOR_START}} KEEP (*crtbegin.o(.dtors)) @@ -105,6 +138,11 @@ DTOR=" .dtors ${CONSTRUCTING-0} : KEEP (*(.dtors)) ${CONSTRUCTING+${DTOR_END}} }" +STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : + { + ${RELOCATING+_stack = .;} + *(.stack) + }" # if this is for an embedded system, don't add SIZEOF_HEADERS. if [ -z "$EMBEDDED" ]; then @@ -137,126 +175,67 @@ SECTIONS ${CREATE_SHLIB-${INTERP}} ${INITIAL_READONLY_SECTIONS} ${TEXT_DYNAMIC+${DYNAMIC}} - .hash ${RELOCATING-0} : { *(.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) } + .hash ${RELOCATING-0} : { *(.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) } - .rel.init ${RELOCATING-0} : { *(.rel.init) } - .rela.init ${RELOCATING-0} : { *(.rela.init) } - .rel.text ${RELOCATING-0} : - { - *(.rel.text) - ${RELOCATING+*(.rel.text.*)} - ${RELOCATING+*(.rel.gnu.linkonce.t.*)} - } - .rela.text ${RELOCATING-0} : - { - *(.rela.text) - ${RELOCATING+*(.rela.text.*)} - ${RELOCATING+*(.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.*)} - ${RELOCATING+*(.rel.gnu.linkonce.r.*)} - } - .rela.rodata ${RELOCATING-0} : - { - *(.rela.rodata) - ${RELOCATING+*(.rela.rodata.*)} - ${RELOCATING+*(.rela.gnu.linkonce.r.*)} - } +EOF +if [ "x$COMBRELOC" = x ]; then + COMBRELOCCAT=cat +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 ${RELOCATING-0} : - { - *(.rel.data) - ${RELOCATING+*(.rel.data.*)} - ${RELOCATING+*(.rel.gnu.linkonce.d.*)} - } - .rela.data ${RELOCATING-0} : - { - *(.rela.data) - ${RELOCATING+*(.rela.data.*)} - ${RELOCATING+*(.rela.gnu.linkonce.d.*)} - } - .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) } + .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.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 ${RELOCATING-0} : - { - *(.rel.sdata) - ${RELOCATING+*(.rel.sdata.*)} - ${RELOCATING+*(.rel.gnu.linkonce.s.*)} - } - .rela.sdata ${RELOCATING-0} : - { - *(.rela.sdata) - ${RELOCATING+*(.rela.sdata.*)} - ${RELOCATING+*(.rela.gnu.linkonce.s.*)} - } - .rel.sbss ${RELOCATING-0} : - { - *(.rel.sbss) - ${RELOCATING+*(.rel.sbss.*)} - ${RELOCATING+*(.rel.gnu.linkonce.sb.*)} - } - .rela.sbss ${RELOCATING-0} : + ${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.*}) } +EOF +if [ -n "$COMBRELOC" ]; then +cat <<EOF + .rel.dyn ${RELOCATING-0} : { - *(.rela.sbss) - ${RELOCATING+*(.rela.sbss.*)} - ${RELOCATING+*(.rel.gnu.linkonce.sb.*)} - } - .rel.sdata2 ${RELOCATING-0} : - { - *(.rel.sdata2) - ${RELOCATING+*(.rel.sdata2.*)} - ${RELOCATING+*(.rel.gnu.linkonce.s2.*)} +EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC +cat <<EOF } - .rela.sdata2 ${RELOCATING-0} : + .rela.dyn ${RELOCATING-0} : { - *(.rela.sdata2) - ${RELOCATING+*(.rela.sdata2.*)} - ${RELOCATING+*(.rela.gnu.linkonce.s2.*)} - } - .rel.sbss2 ${RELOCATING-0} : - { - *(.rel.sbss2) - ${RELOCATING+*(.rel.sbss2.*)} - ${RELOCATING+*(.rel.gnu.linkonce.sb2.*)} - } - .rela.sbss2 ${RELOCATING-0} : - { - *(.rela.sbss2) - ${RELOCATING+*(.rela.sbss2.*)} - ${RELOCATING+*(.rela.gnu.linkonce.sb2.*)} - } - .rel.bss ${RELOCATING-0} : - { - *(.rel.bss) - ${RELOCATING+*(.rel.bss.*)} - ${RELOCATING+*(.rel.gnu.linkonce.b.*)} - } - .rela.bss ${RELOCATING-0} : - { - *(.rela.bss) - ${RELOCATING+*(.rela.bss.*)} - ${RELOCATING+*(.rela.gnu.linkonce.b.*)} +EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC +cat <<EOF } - .rel.plt ${RELOCATING-0} : { *(.rel.plt) } - .rela.plt ${RELOCATING-0} : { *(.rela.plt) } +EOF +fi +cat <<EOF + .rel.plt ${RELOCATING-0} : { *(.rel.plt) } + .rela.plt ${RELOCATING-0} : { *(.rela.plt) } ${OTHER_PLT_RELOC_SECTIONS} - .init ${RELOCATING-0} : + .init ${RELOCATING-0} : { ${RELOCATING+${INIT_START}} KEEP (*(.init)) @@ -264,18 +243,15 @@ SECTIONS } =${NOP-0} ${DATA_PLT-${BSS_PLT-${PLT}}} - .text ${RELOCATING-0} : + .text ${RELOCATING-0} : { ${RELOCATING+${TEXT_START_SYMBOLS}} - *(.text) - ${RELOCATING+*(.text.*)} - *(.stub) + *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) - ${RELOCATING+*(.gnu.linkonce.t.*)} ${RELOCATING+${OTHER_TEXT_SECTIONS}} } =${NOP-0} - .fini ${RELOCATING-0} : + .fini ${RELOCATING-0} : { ${RELOCATING+${FINI_START}} KEEP (*(.fini)) @@ -285,92 +261,71 @@ SECTIONS ${RELOCATING+PROVIDE (_etext = .);} ${RELOCATING+PROVIDE (etext = .);} ${WRITABLE_RODATA-${RODATA}} - .rodata1 ${RELOCATING-0} : { *(.rodata1) } + .rodata1 ${RELOCATING-0} : { *(.rodata1) } ${CREATE_SHLIB-${SDATA2}} ${CREATE_SHLIB-${SBSS2}} - ${RELOCATING+${OTHER_READONLY_SECTIONS}} + ${OTHER_READONLY_SECTIONS} + .eh_frame_hdr : { *(.eh_frame_hdr) } /* Adjust the address for the data segment. We want to adjust up to the same address within the page on the next page up. */ ${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}} ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}} - .data ${RELOCATING-0} : + .data ${RELOCATING-0} : { ${RELOCATING+${DATA_START_SYMBOLS}} - *(.data) - ${RELOCATING+*(.data.*)} - ${RELOCATING+*(.gnu.linkonce.d.*)} + *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) ${CONSTRUCTING+SORT(CONSTRUCTORS)} } - .data1 ${RELOCATING-0} : { *(.data1) } - .eh_frame : { KEEP (*(.eh_frame)) } - .gcc_except_table : { *(.gcc_except_table) } + .data1 ${RELOCATING-0} : { *(.data1) } + .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) } + .gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) } ${WRITABLE_RODATA+${RODATA}} - ${RELOCATING+${OTHER_READWRITE_SECTIONS}} + ${OTHER_READWRITE_SECTIONS} + ${TEXT_DYNAMIC-${DYNAMIC}} ${RELOCATING+${CTOR}} ${RELOCATING+${DTOR}} + .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } ${DATA_PLT+${PLT}} ${RELOCATING+${OTHER_GOT_SYMBOLS}} - .got ${RELOCATING-0} : { *(.got.plt) *(.got) } + .got ${RELOCATING-0} : { *(.got.plt) *(.got) } + ${OTHER_GOT_SECTIONS} ${CREATE_SHLIB+${SDATA2}} ${CREATE_SHLIB+${SBSS2}} - ${TEXT_DYNAMIC-${DYNAMIC}} - /* 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} : - { - ${RELOCATING+${SDATA_START_SYMBOLS}} - *(.sdata) - ${RELOCATING+*(.sdata.*)} - ${RELOCATING+*(.gnu.linkonce.s.*)} - } - ${RELOCATING+${OTHER_GOT_SECTIONS}} + ${SDATA} + ${OTHER_SDATA_SECTIONS} ${RELOCATING+_edata = .;} ${RELOCATING+PROVIDE (edata = .);} ${RELOCATING+__bss_start = .;} ${RELOCATING+${OTHER_BSS_SYMBOLS}} - .sbss ${RELOCATING-0} : - { - ${RELOCATING+PROVIDE (__sbss_start = .);} - ${RELOCATING+PROVIDE (___sbss_start = .);} - *(.dynsbss) - *(.sbss) - ${RELOCATING+*(.sbss.*)} - ${RELOCATING+*(.gnu.linkonce.sb.*)} - *(.scommon) - ${RELOCATING+PROVIDE (__sbss_end = .);} - ${RELOCATING+PROVIDE (___sbss_end = .);} - } + ${SBSS} ${BSS_PLT+${PLT}} - .bss ${RELOCATING-0} : + .bss ${RELOCATING-0} : { *(.dynbss) - *(.bss) - ${RELOCATING+*(.bss.*)} - ${RELOCATING+*(.gnu.linkonce.b.*)} + *(.bss${RELOCATING+ .bss.* .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});} } - ${RELOCATING+${OTHER_BSS_SECTIONS}} + ${OTHER_BSS_SECTIONS} ${RELOCATING+. = ALIGN(${ALIGNMENT});} ${RELOCATING+_end = .;} ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} ${RELOCATING+PROVIDE (end = .);} /* 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 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) } + .comment 0 : { *(.comment) } /* DWARF debug sections. Symbols in the DWARF debugging sections are relative to the beginning @@ -389,7 +344,7 @@ SECTIONS .debug_pubnames 0 : { *(.debug_pubnames) } /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } .debug_abbrev 0 : { *(.debug_abbrev) } .debug_line 0 : { *(.debug_line) } .debug_frame 0 : { *(.debug_frame) } @@ -403,9 +358,8 @@ SECTIONS .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } - ${RELOCATING+${OTHER_RELOCATING_SECTIONS}} - - /* These must appear regardless of ${RELOCATING}. */ + ${STACK_ADDR+${STACK}} ${OTHER_SECTIONS} + ${RELOCATING+${OTHER_END_SYMBOLS}} } EOF |
