Mon May 12 11:11:06 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* scripttempl/elf.sc: Don't align the data segment on the next 8 byte boundary, instead let the linker use whatever the individual sections require.
This commit is contained in:
Ian Lance Taylor
parent
9af5dcea8f
commit
3d046499bc
2 changed files with 75 additions and 18 deletions
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@ -1,3 +1,9 @@
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Mon May 12 11:11:06 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* scripttempl/elf.sc: Don't align the data segment on the next 8
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byte boundary, instead let the linker use whatever the individual
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sections require.
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Fri May 9 17:45:46 1997 Ian Lance Taylor <ian@cygnus.com>
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* configure.tgt (i[3456]86-*-gnu*): Don't include Mach support.
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@ -16,6 +16,7 @@
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# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
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# .bss section besides __bss_start.
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# DATA_PLT - .plt should be in data segment, not text segment.
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# EMBEDDED - whether this is for an embedded system.
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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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@ -27,6 +28,14 @@ if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHI
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test "$LD_FLAG" = "N" && DATA_ADDR=.
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INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
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PLT=".plt ${RELOCATING-0} : { *(.plt) }"
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# if this is for an embedded system, don't add SIZEOF_HEADERS.
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if [ -z "$EMBEDDED" ]; then
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test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
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else
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test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
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fi
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cat <<EOF
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OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
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"${LITTLE_OUTPUT_FORMAT}")
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@ -44,18 +53,27 @@ ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
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${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}}
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${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
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${CREATE_SHLIB-${INTERP}}
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.hash ${RELOCATING-0} : { *(.hash) }
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.dynsym ${RELOCATING-0} : { *(.dynsym) }
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.dynstr ${RELOCATING-0} : { *(.dynstr) }
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.rel.text ${RELOCATING-0} : { *(.rel.text) }
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.rela.text ${RELOCATING-0} : { *(.rela.text) }
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.rel.data ${RELOCATING-0} : { *(.rel.data) }
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.rela.data ${RELOCATING-0} : { *(.rela.data) }
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.rel.rodata ${RELOCATING-0} : { *(.rel.rodata) }
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.rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
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.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
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.gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
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.gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
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.rel.text ${RELOCATING-0} :
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{ *(.rel.text) *(.rel.gnu.linkonce.t*) }
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.rela.text ${RELOCATING-0} :
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{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
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.rel.data ${RELOCATING-0} :
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{ *(.rel.data) *(.rel.gnu.linkonce.d*) }
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.rela.data ${RELOCATING-0} :
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{ *(.rela.data) *(.rela.gnu.linkonce.d*) }
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.rel.rodata ${RELOCATING-0} :
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{ *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
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.rela.rodata ${RELOCATING-0} :
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{ *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
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.rel.got ${RELOCATING-0} : { *(.rel.got) }
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.rela.got ${RELOCATING-0} : { *(.rela.got) }
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.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
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@ -78,32 +96,43 @@ SECTIONS
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*(.text)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.gnu.linkonce*)
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*(.gnu.linkonce.t*)
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} =${NOP-0}
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${RELOCATING+_etext = .;}
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${RELOCATING+PROVIDE (etext = .);}
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.fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
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.rodata ${RELOCATING-0} : { *(.rodata) }
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.rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
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.rodata1 ${RELOCATING-0} : { *(.rodata1) }
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${RELOCATING+${OTHER_READONLY_SECTIONS}}
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};}
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${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}
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.data ${RELOCATING-0} :
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{
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${RELOCATING+${DATA_START_SYMBOLS}}
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*(.data)
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*(.gnu.linkonce.d*)
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${CONSTRUCTING+CONSTRUCTORS}
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}
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.data1 ${RELOCATING-0} : { *(.data1) }
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${RELOCATING+${OTHER_READWRITE_SECTIONS}}
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.ctors ${RELOCATING-0} : { *(.ctors) }
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.dtors ${RELOCATING-0} : { *(.dtors) }
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.ctors ${RELOCATING-0} :
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{
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${CONSTRUCTING+${CTOR_START}}
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*(.ctors)
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${CONSTRUCTING+${CTOR_END}}
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}
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.dtors ${RELOCATING-0} :
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{
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${CONSTRUCTING+${DTOR_START}}
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*(.dtors)
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${CONSTRUCTING+${DTOR_END}}
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}
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${DATA_PLT+${PLT}}
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.got ${RELOCATING-0} : { *(.got.plt) *(.got) }
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.dynamic ${RELOCATING-0} : { *(.dynamic) }
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${DATA_PLT+${PLT}}
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/* 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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@ -133,15 +162,37 @@ SECTIONS
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the .debug DWARF section are relative to the beginning of the
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section so we begin .debug at 0. It's not clear yet what needs to happen
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for the others. */
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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.line 0 : { *(.line) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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${RELOCATING+${OTHER_RELOCATING_SECTIONS}}
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/* These must appear regardless of ${RELOCATING}. */
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${OTHER_SECTIONS}
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