diff options
| -rw-r--r-- | ld/ChangeLog | 7 | ||||
| -rw-r--r-- | ld/emulparams/arcelf.sh | 2 | ||||
| -rw-r--r-- | ld/emulparams/arclinux.sh | 17 | ||||
| -rw-r--r-- | ld/scripttempl/arclinux.sc | 595 |
4 files changed, 438 insertions, 183 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 8b92bc0..4c8c14b 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,10 @@ +2016-05-19 Cupertino Miranda <cmiranda@synopsys.com> + + * emulparams/arcelf.sh: Changed. + * emulparams/arclinux.sh: Likewise. + * scripttempl/arclinux.sc: Moved to a more standard implementation + similar to elf.sc. + 2016-05-19 Maciej W. Rozycki <macro@imgtec.com> * testsuite/lib/ld-lib.exp (check_shared_lib_support): Reorder diff --git a/ld/emulparams/arcelf.sh b/ld/emulparams/arcelf.sh index a0b9c8f..7777f9b 100644 --- a/ld/emulparams/arcelf.sh +++ b/ld/emulparams/arcelf.sh @@ -18,3 +18,5 @@ ENTRY=__start SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;' OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }" EMBEDDED=yes + +GENERATE_SHLIB_SCRIPT=yes diff --git a/ld/emulparams/arclinux.sh b/ld/emulparams/arclinux.sh index 9d17bfe..63e56ec 100644 --- a/ld/emulparams/arclinux.sh +++ b/ld/emulparams/arclinux.sh @@ -1,4 +1,5 @@ . ${srcdir}/emulparams/arc-endianness.sh +ARCH=arc SCRIPT_NAME=arclinux if [ "x${ARC_ENDIAN}" = "xbig" ]; then OUTPUT_FORMAT="elf32-bigarc" @@ -8,15 +9,17 @@ fi LITTLE_OUTPUT_FORMAT="elf32-littlearc" BIG_OUTPUT_FORMAT="elf32-bigarc" TEXT_START_ADDR=0x10000 -MAXPAGESIZE=0x2000 -COMMONPAGESIZE=0x2000 -NONPAGED_TEXT_START_ADDR=0x10000 -ARCH=arc -MACHINE= +MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" +COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)" ENTRY=__start -TEMPLATE_NAME=arclinux TEMPLATE_NAME=elf32 EXTRA_EM_FILE=arclinux GENERATE_SHLIB_SCRIPT=yes -SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;' +GENERATE_PIE_SCRIPT=yes + OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }" + +# To support RELRO security feature. +NO_SMALL_DATA=yes +SEPARATE_GOTPLT=4 +GENERATE_COMBRELOC_SCRIPT=yes diff --git a/ld/scripttempl/arclinux.sc b/ld/scripttempl/arclinux.sc index bef5336..8b11386 100644 --- a/ld/scripttempl/arclinux.sc +++ b/ld/scripttempl/arclinux.sc @@ -1,32 +1,54 @@ +# Copyright (C) 2014-2016 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. # # Unusual variables checked by this code: -# NOP - four byte opcode for no-op (defaults to 0) +# NOP - four byte opcode for no-op (defaults to none) # NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not # empty. +# SMALL_DATA_CTOR - .ctors contains small data. +# SMALL_DATA_DTOR - .dtors contains small data. # 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 +# INITIAL_READWRITE_SECTIONS - at start of data segment (after relro) # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... # (e.g., .PARISC.global) +# OTHER_RELRO_SECTIONS - other than .data.rel.ro ... +# (e.g. PPC32 .fixup, .got[12]) +# OTHER_RELRO_SECTIONS_2 - as above, but after .dynamic in text segment # OTHER_BSS_SECTIONS - other than .bss .sbss ... +# ATTRS_SECTIONS - at the end # OTHER_SECTIONS - at the end # EXECUTABLE_SYMBOLS - symbols that must be defined for an # executable (e.g., _DYNAMIC_LINK) +# TEXT_START_ADDR - the first byte of the text segment, after any +# headers. +# TEXT_BASE_ADDRESS - the first byte of the text segment. # 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. +# DATA_END_SYMBOLS - symbols that appear at the end of the +# writeable data sections. # 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. +# PLT_NEXT_DATA - .plt next to data segment when .plt is in text segment. # DATA_PLT - .plt should be in data segment, not text segment. +# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement. # BSS_PLT - .plt should be in bss segment +# NO_REL_RELOCS - Don't include .rel.* sections in script +# NO_RELA_RELOCS - Don't include .rela.* sections in script +# NON_ALLOC_DYN - Place dynamic sections after data segment. # TEXT_DYNAMIC - .dynamic in text segment, not data segment. -# EMBEDDED - whether this is for an embedded system. +# 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 @@ -36,7 +58,19 @@ # 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. +# 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, +# normally etext. +# SEPARATE_CODE - if set, .text and similar sections containing +# actual machine instructions must be in wholly disjoint +# pages from any other data, including headers +# SEPARATE_GOTPLT - if set, .got.plt should be separate output section, +# so that .got can be in the RELRO area. It should be set to +# 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. @@ -62,63 +96,178 @@ # .debug_info .gnu.linkonce.wi.foo # .tdata .gnu.linkonce.td.foo # .tbss .gnu.linkonce.tb.foo +# .lrodata .gnu.linkonce.lr.foo +# .ldata .gnu.linkonce.l.foo +# .lbss .gnu.linkonce.lb.foo # # Each of these can also have corresponding .rel.* and .rela.* sections. -test -z "$ENTRY" && ENTRY=start +if test -n "$NOP"; then + FILL="=$NOP" +else + FILL= +fi + +test -z "$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=${OUTPUT_FORMAT} -# If we request a big endian toolchain, give a big endian linker -test "${ARC_ENDIAN}" == "big" && OUTPUT_FORMAT=${BIG_OUTPUT_FORMAT} if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi test -z "${ELFSIZE}" && ELFSIZE=32 test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" test "$LD_FLAG" = "N" && DATA_ADDR=. +test -z "${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 - DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + if test "${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 +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)} } + ${IREL_IN_PLT-$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) }" + else + GOT=".got ${RELOCATING-0} : { *(.got) *(.igot) }" + GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) }" + fi fi -INTERP=".interp ${RELOCATING-0} : { *(.interp) }" -PLT=".plt ${RELOCATING-0} : { *(.plt) }" -test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }" +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 = .);}} + *(.rel.iplt) + ${RELOCATING+${CREATE_SHLIB-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 = .);}} + *(.rela.iplt) + ${RELOCATING+${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.*}) }" -STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }" +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 .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+PROVIDE (__sbss_start = .);} - ${RELOCATING+PROVIDE (___sbss_start = .);} - *(.dynsbss) - *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) + ${RELOCATING+${SBSS_START_SYMBOLS}} + ${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)} + *(.dyn${SBSS_NAME}) + *(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*}) *(.scommon) - ${RELOCATING+PROVIDE (__sbss_end = .);} - ${RELOCATING+PROVIDE (___sbss_end = .);} + ${RELOCATING+${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}} - *(.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=".${SDATA_NAME}2 ${RELOCATING-0} : + { + ${RELOCATING+${SDATA2_START_SYMBOLS}} + *(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .gnu.linkonce.s2.*}) + }" + REL_SDATA=".rel.${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 +if test -z "${SDATA_GOT}${DATA_GOT}"; then + if test -n "${NO_SMALL_DATA}"; then + DATA_GOT=" " + fi +fi +if test -z "${SDATA_GOT}${DATA_GOT}"; then + if test -z "${NO_SMALL_DATA}"; then + SDATA_GOT=" " + fi +fi +test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" " +test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" + .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) } + .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) } + .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) } + .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } + .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } + .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" +test "${LARGE_SECTIONS}" = "yes" && LARGE_BSS=" + .lbss ${RELOCATING-0} : + { + *(.dynlbss) + *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) + *(LARGE_COMMON) }" - 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.*}) }" +test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" + .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : + { + *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) + } + .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : + { + *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*}) + ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} + }" +if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then + SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))" + SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))" + CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" + DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" +else + SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))" + SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))" + CTORS_IN_INIT_ARRAY= + DTORS_IN_FINI_ARRAY= fi -CTOR=".ctors ${CONSTRUCTING-0} : +INIT_ARRAY=".init_array ${RELOCATING-0} : + { + ${RELOCATING+${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 = .);}} + }" +FINI_ARRAY=".fini_array ${RELOCATING-0} : + { + ${RELOCATING+${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 = .);}} + }" +CTOR=".ctors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${CTOR_START}} /* gcc uses crtbegin.o to find the start of @@ -131,14 +280,15 @@ CTOR=".ctors ${CONSTRUCTING-0} : doesn't matter which directory crtbegin.o is in. */ - KEEP (*crtbegin*.o(.ctors)) + KEEP (*crtbegin.o(.ctors)) + 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 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 (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) ${CONSTRUCTING+${CTOR_END}} @@ -146,34 +296,48 @@ CTOR=".ctors ${CONSTRUCTING-0} : DTOR=".dtors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${DTOR_START}} - KEEP (*crtbegin*.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors)) + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) ${CONSTRUCTING+${DTOR_END}} }" STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : { - ${RELOCATING+_stack = .;} + ${RELOCATING+${USER_LABEL_PREFIX}_stack = .;} *(.stack) }" -# if this is for an embedded system, don't add SIZEOF_HEADERS. +TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" +SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" + +if [ -z "$SEPARATE_CODE" ]; then + SIZEOF_HEADERS_CODE=" + SIZEOF_HEADERS" +else + SIZEOF_HEADERS_CODE= +fi + +# If this is for an embedded system, don't add SIZEOF_HEADERS. if [ -z "$EMBEDDED" ]; then - test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" + test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}${SIZEOF_HEADERS_CODE}" else test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" fi cat <<EOF +/* Copyright (C) 2014-2016 Free Software Foundation, Inc. + + Copying and distribution of this script, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. */ + OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", "${LITTLE_OUTPUT_FORMAT}") OUTPUT_ARCH(${OUTPUT_ARCH}) ${RELOCATING+ENTRY(${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 @@ -185,36 +349,54 @@ SECTIONS { /* Read-only sections, merged into text segment: */ ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} - ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} - ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} - ${CREATE_SHLIB-${INTERP}} + ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} + ${CREATE_PIE+${RELOCATING+PROVIDE (__executable_start = ${SHLIB_TEXT_START_ADDR}); . = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} +EOF + +emit_early_ro() +{ + cat <<EOF ${INITIAL_READONLY_SECTIONS} + .note.gnu.build-id : { *(.note.gnu.build-id) } +EOF +} + +test -n "${SEPARATE_CODE}" || emit_early_ro + +test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN +test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC= +cat > ldscripts/dyntmp.$$ <<EOF ${TEXT_DYNAMIC+${DYNAMIC}} .hash ${RELOCATING-0} : { *(.hash) } + .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) } .dynsym ${RELOCATING-0} : { *(.dynsym) } .dynstr ${RELOCATING-0} : { *(.dynstr) } .gnu.version ${RELOCATING-0} : { *(.gnu.version) } .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) } .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) } - EOF + if [ "x$COMBRELOC" = x ]; then - COMBRELOCCAT=cat + COMBRELOCCAT="cat >> ldscripts/dyntmp.$$" else COMBRELOCCAT="cat > $COMBRELOC" fi eval $COMBRELOCCAT <<EOF + ${INITIAL_RELOC_SECTIONS} .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.*}) } + .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.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*}) } + .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+ .rela.data.rel.ro.* .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.*}) } @@ -230,65 +412,141 @@ 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} + ${IREL_IN_PLT-$REL_IPLT} + ${IREL_IN_PLT-$RELA_IPLT} EOF + if [ -n "$COMBRELOC" ]; then -cat <<EOF +cat >> ldscripts/dyntmp.$$ <<EOF .rel.dyn ${RELOCATING-0} : { EOF -sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC -cat <<EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;/__rela_iplt_/d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ +cat >> ldscripts/dyntmp.$$ <<EOF } .rela.dyn ${RELOCATING-0} : { EOF -sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC -cat <<EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;/__rel_iplt_/d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ +cat >> ldscripts/dyntmp.$$ <<EOF } EOF fi -cat <<EOF - .rel.plt ${RELOCATING-0} : { *(.rel.plt) } - .rela.plt ${RELOCATING-0} : { *(.rela.plt) } + +cat >> ldscripts/dyntmp.$$ <<EOF + .rel.plt ${RELOCATING-0} : + { + *(.rel.plt) + ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}}} + ${IREL_IN_PLT+${RELOCATING+*(.rel.iplt)}} + ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}}} + } + .rela.plt ${RELOCATING-0} : + { + *(.rela.plt) + ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}}} + ${IREL_IN_PLT+${RELOCATING+*(.rela.iplt)}} + ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}} + } ${OTHER_PLT_RELOC_SECTIONS} +EOF + +emit_dyn() +{ + if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then + cat ldscripts/dyntmp.$$ + else + if test -z "${NO_REL_RELOCS}"; then + sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d;/^[ ]*\.rela\./d;/__rela_iplt_/d' ldscripts/dyntmp.$$ + fi + if test -z "${NO_RELA_RELOCS}"; then + sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d;/^[ ]*\.rel\./d;/__rel_iplt_/d' ldscripts/dyntmp.$$ + fi + fi + rm -f ldscripts/dyntmp.$$ +} - .init ${RELOCATING-0} : - { +test -n "${NON_ALLOC_DYN}${SEPARATE_CODE}" || emit_dyn + +cat <<EOF + .init ${RELOCATING-0}${RELOCATING+${INIT_ADDR}} : + { ${RELOCATING+${INIT_START}} - KEEP (*(.init)) + KEEP (*(SORT_NONE(.init))) ${RELOCATING+${INIT_END}} - } =${NOP-0} + } ${FILL} - ${DATA_PLT-${BSS_PLT-${PLT}}} + ${TEXT_PLT+${PLT_NEXT_DATA-${PLT}}} + ${TINY_READONLY_SECTION} .text ${RELOCATING-0} : { ${RELOCATING+${TEXT_START_SYMBOLS}} + ${RELOCATING+*(.text.unlikely .text.*_unlikely .text.unlikely.*)} + ${RELOCATING+*(.text.exit .text.exit.*)} + ${RELOCATING+*(.text.startup .text.startup.*)} + ${RELOCATING+*(.text.hot .text.hot.*)} *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) ${RELOCATING+${OTHER_TEXT_SECTIONS}} - } =${NOP-0} - .text.init ${RELOCATING-0} : - { - *(.text.init) - } =${NOP-0} - .fini ${RELOCATING-0} : + } ${FILL} + .fini ${RELOCATING-0}${RELOCATING+${FINI_ADDR}} : { ${RELOCATING+${FINI_START}} - KEEP (*(.fini)) + KEEP (*(SORT_NONE(.fini))) ${RELOCATING+${FINI_END}} - } =${NOP-0} - ${RELOCATING+PROVIDE (__etext = .);} - ${RELOCATING+PROVIDE (_etext = .);} - ${RELOCATING+PROVIDE (etext = .);} + } ${FILL} + ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);} + ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} + ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} +EOF + +if test -n "${SEPARATE_CODE}"; then + if test -n "${RODATA_ADDR}"; then + RODATA_ADDR="\ +SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR}) + SIZEOF_HEADERS" + else + RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR})" + fi + if test -n "${SHLIB_RODATA_ADDR}"; then + SHLIB_RODATA_ADDR="\ +SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR}) + SIZEOF_HEADERS" + else + SHLIB_RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR})" + SHLIB_RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + fi + cat <<EOF + /* Adjust the address for the rodata segment. We want to adjust up to + the same address within the page on the next page up. */ + ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${RODATA_ADDR};}}} + ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}} + ${CREATE_PIE+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}} +EOF + emit_early_ro + emit_dyn +fi + +cat <<EOF ${WRITABLE_RODATA-${RODATA}} - .rodata1 ${RELOCATING-0} : { *(.rodata1) } + .${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) } ${CREATE_SHLIB-${SDATA2}} ${CREATE_SHLIB-${SBSS2}} ${OTHER_READONLY_SECTIONS} - .eh_frame_hdr : { *(.eh_frame_hdr) } + .eh_frame_hdr : { *(.eh_frame_hdr) ${RELOCATING+*(.eh_frame_entry .eh_frame_entry.*)} } + .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) ${RELOCATING+*(.eh_frame.*)} } + .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table + .gcc_except_table.*) } + .gnu_extab ${RELOCATING-0} : ONLY_IF_RO { *(.gnu_extab*) } + /* These sections are generated by the Sun/Oracle C++ compiler. */ + .exception_ranges ${RELOCATING-0} : ONLY_IF_RO { *(.exception_ranges + .exception_ranges*) } + ${TEXT_PLT+${PLT_NEXT_DATA+${PLT}}} /* Adjust the address for the data segment. We want to adjust up to the same address within the page on the next page up. */ @@ -296,22 +554,46 @@ cat <<EOF ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} - /* 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 = .);}} + /* Exception handling */ + .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) ${RELOCATING+*(.eh_frame.*)} } + .gnu_extab ${RELOCATING-0} : ONLY_IF_RW { *(.gnu_extab) } + .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } + .exception_ranges ${RELOCATING-0} : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } + + /* Thread Local Storage sections */ + .tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } + .tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}} - .init_array ${RELOCATING-0} : { *(.init_array) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}} + .preinit_array ${RELOCATING-0} : + { + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}} + KEEP (*(.preinit_array)) + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}} + } + ${RELOCATING+${INIT_ARRAY}} + ${RELOCATING+${FINI_ARRAY}} + ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}} + ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}} + .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}} - .fini_array ${RELOCATING-0} : { *(.fini_array) } - ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}} + ${RELOCATING+${DATARELRO}} + ${OTHER_RELRO_SECTIONS} + ${TEXT_DYNAMIC-${DYNAMIC}} + ${OTHER_RELRO_SECTIONS_2} + ${DATA_GOT+${RELRO_NOW+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}} + ${DATA_GOT+${RELRO_NOW+${GOT}}} + ${DATA_GOT+${RELRO_NOW+${GOTPLT}}} + ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}} + ${RELOCATING+${DATA_SEGMENT_RELRO_END}} + ${INITIAL_READWRITE_SECTIONS} + ${DATA_SDATA+${SDATA}} + ${DATA_SDATA+${OTHER_SDATA_SECTIONS}} + ${DATA_SDATA+${SBSS}} + ${DATA_GOT+${RELRO_NOW-${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}} + ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}} + ${DATA_GOT+${RELRO_NOW-${GOTPLT}}} + + ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}} .data ${RELOCATING-0} : { @@ -319,74 +601,59 @@ cat <<EOF *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) ${CONSTRUCTING+SORT(CONSTRUCTORS)} } - .data.init ${RELOCATING-0} : - { - *(.data.init) - } .data1 ${RELOCATING-0} : { *(.data1) } - /* TLS local dynamic uses .tdata as a reference point. */ - ${RELOCATING+${CREATE_SHLIB+PROVIDE_HIDDEN (.tdata = .);}} - .tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } - .tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } - .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} - ${OTHER_GOT_SECTIONS} - ${CREATE_SHLIB+${SDATA2}} - ${CREATE_SHLIB+${SBSS2}} - ${SDATA} - ${OTHER_SDATA_SECTIONS} - ${RELOCATING+_edata = .;} - ${RELOCATING+PROVIDE (edata = .);} - ${RELOCATING+__bss_start = .;} + ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}} + ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}} + ${SDATA_GOT+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}} + ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS+. = .; ${OTHER_GOT_SYMBOLS}}}} + ${SDATA_GOT+${GOT}} + ${SDATA_GOT+${OTHER_GOT_SECTIONS}} + ${DATA_SDATA-${SDATA}} + ${DATA_SDATA-${OTHER_SDATA_SECTIONS}} + ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}} + ${RELOCATING+. = .;} + ${RELOCATING+${USER_LABEL_PREFIX}__bss_start = .;} ${RELOCATING+${OTHER_BSS_SYMBOLS}} - ${SBSS} + ${DATA_SDATA-${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 - .bss section disappears because there are no input sections. */ - ${RELOCATING+. = ALIGN(${ALIGNMENT});} + .bss section disappears because there are no input sections. + FIXME: Why do we need it? When there is no .bss section, we don't + pad the .data section. */ + ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} } ${OTHER_BSS_SECTIONS} - ${RELOCATING+. = ALIGN(${ALIGNMENT});} - ${RELOCATING+_end = .;} + ${LARGE_BSS_AFTER_BSS+${LARGE_BSS}} ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} - ${RELOCATING+PROVIDE (end = .);} - ${RELOCATING+${DATA_SEGMENT_END}} + ${RELOCATING+. = ALIGN(${ALIGNMENT});} +EOF - /* We want to be able to set a default stack / heap size in a dejagnu - board description file, but override it for selected test cases. - The options appear in the wrong order to do this with a single symbol - - ldflags comes after flags injected with per-file stanzas, and thus - the setting from ldflags prevails. */ - .heap ${RELOCATING-0} : - { - ${RELOCATING+ __start_heap = . ; } - ${RELOCATING+ . = . + (DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : (DEFINED(__DEFAULT_HEAP_SIZE) ? __DEFAULT_HEAP_SIZE : 20k)) ; } - ${RELOCATING+ __end_heap = . ; } - } +LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${LARGE_DATA_ADDR-.});" +SHLIB_LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${SHLIB_LARGE_DATA_ADDR-.});" - ${RELOCATING+. = ALIGN(0x8);} - .stack ${RELOCATING-0} : - { - ${RELOCATING+ __stack = . ; } - ${RELOCATING+ . = . + (DEFINED(__STACK_SIZE) ? __STACK_SIZE : (DEFINED(__DEFAULT_STACK_SIZE) ? __DEFAULT_STACK_SIZE : 64k)) ; } - ${RELOCATING+ __stack_top = . ; } - } + cat <<EOF + ${RELOCATING+${CREATE_SHLIB-${CREATE_PIE-${LARGE_DATA_ADDR}}}} + ${RELOCATING+${CREATE_SHLIB+${SHLIB_LARGE_DATA_ADDR}}} + ${RELOCATING+${CREATE_PIE+${SHLIB_LARGE_DATA_ADDR}}} + ${LARGE_SECTIONS} + ${LARGE_BSS_AFTER_BSS-${LARGE_BSS}} + ${RELOCATING+. = ALIGN(${ALIGNMENT});} + ${RELOCATING+${OTHER_END_SYMBOLS}} + ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}} + ${RELOCATING+${DATA_SEGMENT_END}} +EOF + +test -z "${NON_ALLOC_DYN}" || emit_dyn +cat <<EOF /* Stabs debugging sections. */ .stab 0 : { *(.stab) } .stabstr 0 : { *(.stabstr) } @@ -397,43 +664,19 @@ cat <<EOF .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) } +EOF - /* 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) } +. $srcdir/scripttempl/DWARF.sc - /* 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) } +cat <<EOF - /* ARC Extension Sections */ - .arcextmap 0 : { *(.gnu.linkonce.arcextmap.*) } + ${TINY_DATA_SECTION} + ${TINY_BSS_SECTION} ${STACK_ADDR+${STACK}} + ${ATTRS_SECTIONS} ${OTHER_SECTIONS} - ${RELOCATING+${OTHER_END_SYMBOLS}} - ${RELOCATING+${STACKNOTE}} + ${RELOCATING+${OTHER_SYMBOLS}} + ${RELOCATING+${DISCARDED}} } EOF |