diff options
Diffstat (limited to 'ld/scripttempl/elf.sc')
| -rw-r--r-- | ld/scripttempl/elf.sc | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc deleted file mode 100644 index bf678117772..00000000000 --- a/ld/scripttempl/elf.sc +++ /dev/null @@ -1,387 +0,0 @@ -# -# Unusual variables checked by this code: -# 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 ... -# (e.g., .PARISC.milli) -# OTHER_TEXT_SECTIONS - these get put in .text when relocating -# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... -# (e.g., .PARISC.global) -# OTHER_BSS_SECTIONS - other than .bss .sbss ... -# OTHER_SECTIONS - at the end -# EXECUTABLE_SYMBOLS - symbols that must be defined for an -# executable (e.g., _DYNAMIC_LINK) -# 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. -# 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. -# DATA_PLT - .plt should be in data segment, not text segment. -# BSS_PLT - .plt should be in bss 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_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. -# - -# 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 -# -# Each of these can also have corresponding .rel.* and .rela.* sections. - -test -z "$ENTRY" && ENTRY=_start -test -z "${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 "$LD_FLAG" = "N" && DATA_ADDR=. -DATA_SEGMENT_ALIGN="ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))" -if [ -n "${COMMONPAGESIZE}" ]; then - DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN(${MAXPAGESIZE}, ${COMMONPAGESIZE})" -fi -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 - 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)) - - /* We don't want to include the .ctor section from - 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 $OTHER_EXCLUDE_FILES) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - ${CONSTRUCTING+${CTOR_END}} - }" -DTOR=".dtors ${CONSTRUCTING-0} : - { - ${CONSTRUCTING+${DTOR_START}} - KEEP (*crtbegin.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o $OTHER_EXCLUDE_FILES) .dtors)) - KEEP (*(SORT(.dtors.*))) - 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 - test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" -else - test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" -fi - -cat <<EOF -OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", - "${LITTLE_OUTPUT_FORMAT}") -OUTPUT_ARCH(${OUTPUT_ARCH}) -ENTRY(${ENTRY}) - -${RELOCATING+${LIB_SEARCH_DIRS}} -${RELOCATING+/* Do we need any of these for elf? - __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} -${RELOCATING+${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: */ - ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}} - ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} - ${CREATE_SHLIB-${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 ${RELOCATING-0}: { *(.gnu.version_r) } - -EOF -if [ "x$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.* .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} - ${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 ${RELOCATING-0} : - { -EOF -sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC -cat <<EOF - } - .rela.dyn ${RELOCATING-0} : - { -EOF -sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC -cat <<EOF - } -EOF -fi -cat <<EOF - .rel.plt ${RELOCATING-0} : { *(.rel.plt) } - .rela.plt ${RELOCATING-0} : { *(.rela.plt) } - ${OTHER_PLT_RELOC_SECTIONS} - - .init ${RELOCATING-0} : - { - ${RELOCATING+${INIT_START}} - KEEP (*(.init)) - ${RELOCATING+${INIT_END}} - } =${NOP-0} - - /* 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 (__preinit_array_start = .);}} - .preinit_array ${RELOCATING-0} : { *(.preinit_array) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}} - - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .)}}; - .init_array ${RELOCATING-0} : { *(.init_array) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}} - - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}} - .fini_array ${RELOCATING-0} : { *(.fini_array) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}} - - ${DATA_PLT-${BSS_PLT-${PLT}}} - .text ${RELOCATING-0} : - { - ${RELOCATING+${TEXT_START_SYMBOLS}} - *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - ${RELOCATING+${OTHER_TEXT_SECTIONS}} - } =${NOP-0} - .fini ${RELOCATING-0} : - { - ${RELOCATING+${FINI_START}} - KEEP (*(.fini)) - ${RELOCATING+${FINI_END}} - } =${NOP-0} - ${RELOCATING+PROVIDE (__etext = .);} - ${RELOCATING+PROVIDE (_etext = .);} - ${RELOCATING+PROVIDE (etext = .);} - ${WRITABLE_RODATA-${RODATA}} - .rodata1 ${RELOCATING-0} : { *(.rodata1) } - ${CREATE_SHLIB-${SDATA2}} - ${CREATE_SHLIB-${SBSS2}} - ${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+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} - ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} - - .data ${RELOCATING-0} : - { - ${RELOCATING+${DATA_START_SYMBOLS}} - *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) - ${CONSTRUCTING+SORT(CONSTRUCTORS)} - } - .data1 ${RELOCATING-0} : { *(.data1) } - .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) } - .gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) } - ${WRITABLE_RODATA+${RODATA}} - ${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) } - ${OTHER_GOT_SECTIONS} - ${CREATE_SHLIB+${SDATA2}} - ${CREATE_SHLIB+${SBSS2}} - ${SDATA} - ${OTHER_SDATA_SECTIONS} - ${RELOCATING+_edata = .;} - ${RELOCATING+PROVIDE (edata = .);} - ${RELOCATING+__bss_start = .;} - ${RELOCATING+${OTHER_BSS_SYMBOLS}} - ${SBSS} - ${BSS_PLT+${PLT}} - .bss ${RELOCATING-0} : - { - *(.dynbss) - *(.bss${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});} - } - ${OTHER_BSS_SECTIONS} - ${RELOCATING+. = ALIGN(${ALIGNMENT});} - ${RELOCATING+_end = .;} - ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} - ${RELOCATING+PROVIDE (end = .);} - ${COMMONPAGESIZE+${RELOCATING+. = DATA_SEGMENT_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.indexstr 0 : { *(.stab.indexstr) } - - .comment 0 : { *(.comment) } - - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to the beginning - of the section so we begin them at 0. */ - - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - - ${STACK_ADDR+${STACK}} - ${OTHER_SECTIONS} - ${RELOCATING+${OTHER_END_SYMBOLS}} -} -EOF |