2015-10-07 21:20:19 +08:00
|
|
|
#
|
|
|
|
# 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.
|
|
|
|
# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
|
|
|
|
# (e.g., .PARISC.milli)
|
|
|
|
# When adding sections, do note that the names of some sections are used
|
|
|
|
# when specifying the start address of the next.
|
|
|
|
#
|
|
|
|
test -z "$ENTRY" && ENTRY=start
|
|
|
|
test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
|
|
|
|
test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
|
|
|
|
# If we request a big endian toolchain, give a big endian linker
|
|
|
|
test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } ${RELOCATING+ > ${DATA_MEMORY}}"
|
|
|
|
test "${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=.
|
|
|
|
|
|
|
|
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}}
|
|
|
|
} ${RELOCATING+ > ${DATA_MEMORY}}"
|
|
|
|
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}}
|
|
|
|
} ${RELOCATING+ > ${DATA_MEMORY}}"
|
|
|
|
|
|
|
|
if test -z "${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 = .);}
|
|
|
|
} ${RELOCATING+ > ${SDATA_MEMORY}}"
|
|
|
|
SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) } ${RELOCATING+ > ${SDATA_MEMORY}}"
|
|
|
|
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.*})
|
|
|
|
|
|
|
|
${RELOCATING+_edata = .;}
|
|
|
|
${RELOCATING+PROVIDE (edata = .);}
|
|
|
|
} ${RELOCATING+ > ${SDATA_MEMORY}}"
|
|
|
|
SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) } ${RELOCATING+ > ${SDATA_MEMORY}}"
|
|
|
|
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
|
|
|
|
|
|
|
|
#
|
|
|
|
# We provide two emulations: a fixed on that defines some memory banks
|
|
|
|
# and a configurable one that includes a user provided memory definition.
|
|
|
|
#
|
|
|
|
case $GENERIC_BOARD in
|
|
|
|
yes|1|YES)
|
|
|
|
MEMORY_DEF="
|
|
|
|
/* Get memory banks definition from some user configuration file.
|
|
|
|
This file must be located in some linker directory (search path
|
|
|
|
with -L<dir>). See fixed memory banks emulation script. */
|
|
|
|
INCLUDE memory.x;
|
|
|
|
"
|
|
|
|
;;
|
|
|
|
*)
|
|
|
|
MEMORY_DEF="
|
|
|
|
/* Fixed definition of the available memory banks.
|
|
|
|
See generic emulation script for a user defined configuration. */
|
|
|
|
MEMORY
|
|
|
|
{
|
|
|
|
ICCM : ORIGIN = 0x00000000, LENGTH = ${ICCM_SIZE}
|
|
|
|
DCCM : ORIGIN = ${RAM_START_ADDR}, LENGTH = ${RAM_SIZE}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Setup the stack on the top of the data memory bank. */
|
|
|
|
PROVIDE (__stack_top = (${RAM_START_ADDR} + ${RAM_SIZE} - 1) & -4);
|
|
|
|
PROVIDE (__end_heap = ${RAM_START_ADDR} + ${RAM_SIZE} - 1);
|
|
|
|
"
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
|
|
|
|
cat <<EOF
|
|
|
|
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", "${LITTLE_OUTPUT_FORMAT}")
|
|
|
|
OUTPUT_ARCH(${OUTPUT_ARCH})
|
|
|
|
${RELOCATING+ENTRY(${ENTRY})}
|
|
|
|
|
|
|
|
${RELOCATING+${LIB_SEARCH_DIRS}}
|
|
|
|
${RELOCATING+${EXECUTABLE_SYMBOLS}}
|
|
|
|
${RELOCATING+${MEMORY_DEF}}
|
|
|
|
|
|
|
|
SECTIONS
|
|
|
|
{
|
|
|
|
.ivt 0x00 :
|
|
|
|
{
|
|
|
|
KEEP (*(.ivt));
|
|
|
|
} ${RELOCATING+ > ${STARTUP_MEMORY}}
|
|
|
|
|
|
|
|
.startup 0x100:
|
|
|
|
{
|
|
|
|
KEEP (*crt0.o(.text.__startup))
|
|
|
|
} ${RELOCATING+ > ${STARTUP_MEMORY}}
|
|
|
|
|
|
|
|
/* Read-only sections, merged into text segment: */
|
|
|
|
${TEXT_DYNAMIC+${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) }
|
|
|
|
|
|
|
|
.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.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.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.*}) }
|
|
|
|
.rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) }
|
|
|
|
.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_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.*}) }
|
|
|
|
|
|
|
|
.jcr : { KEEP (*(.jcr)) } ${RELOCATING+> ${TEXT_MEMORY}}
|
|
|
|
.eh_frame : { KEEP (*(.eh_frame)) } ${RELOCATING+> ${TEXT_MEMORY}}
|
|
|
|
.gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } ${RELOCATING+> ${TEXT_MEMORY}}
|
|
|
|
.plt : { *(.plt) } ${RELOCATING+> ${TEXT_MEMORY}}
|
2017-07-19 15:56:55 +08:00
|
|
|
.jlitab :
|
|
|
|
{
|
|
|
|
${RELOCATING+${JLI_START_TABLE}}
|
|
|
|
jlitab*.o:(.jlitab*) *(.jlitab*)
|
|
|
|
} ${RELOCATING+> ${TEXT_MEMORY}}
|
2015-10-07 21:20:19 +08:00
|
|
|
|
|
|
|
.rodata ${RELOCATING-0} :
|
|
|
|
{
|
|
|
|
*(.rodata) ${RELOCATING+*(.rodata.*)} ${RELOCATING+*(.gnu.linkonce.r.*)}
|
|
|
|
} ${RELOCATING+> ${TEXT_MEMORY}}
|
|
|
|
|
|
|
|
.rodata1 ${RELOCATING-0} : { *(.rodata1) } ${RELOCATING+> ${TEXT_MEMORY}}
|
|
|
|
|
|
|
|
.init ${RELOCATING-0} :
|
|
|
|
{
|
|
|
|
${RELOCATING+${INIT_START}}
|
|
|
|
KEEP (*(.init))
|
|
|
|
${RELOCATING+${INIT_END}}
|
|
|
|
} ${RELOCATING+ > ${TEXT_MEMORY}} =${NOP-0}
|
|
|
|
|
|
|
|
.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}}
|
|
|
|
|
|
|
|
} ${RELOCATING+ > ${TEXT_MEMORY}} =${NOP-0}
|
|
|
|
|
|
|
|
.fini ${RELOCATING-0} :
|
|
|
|
{
|
|
|
|
${RELOCATING+${FINI_START}}
|
|
|
|
KEEP (*(.fini))
|
|
|
|
${RELOCATING+${FINI_END}}
|
|
|
|
|
|
|
|
${RELOCATING+PROVIDE (__etext = .);}
|
|
|
|
${RELOCATING+PROVIDE (_etext = .);}
|
|
|
|
${RELOCATING+PROVIDE (etext = .);}
|
|
|
|
} ${RELOCATING+ > ${TEXT_MEMORY}} =${NOP-0}
|
|
|
|
|
|
|
|
${RELOCATING+${OTHER_READONLY_SECTIONS}}
|
|
|
|
|
|
|
|
/* Start of the data section image in ROM. */
|
|
|
|
${RELOCATING+__data_image = .;}
|
|
|
|
${RELOCATING+PROVIDE (__data_image = .);}
|
|
|
|
|
|
|
|
.data ${RELOCATING-0} :
|
|
|
|
{
|
|
|
|
${RELOCATING+ PROVIDE (__data_start = .) ; }
|
|
|
|
/* --gc-sections will delete empty .data. This leads to wrong start
|
|
|
|
addresses for subsequent sections because -Tdata= from the command
|
|
|
|
line will have no effect, see PR13697. Thus, keep .data */
|
|
|
|
KEEP (*(.data))
|
|
|
|
${RELOCATING+${DATA_START_SYMBOLS}}
|
|
|
|
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
|
|
|
|
${CONSTRUCTING+SORT(CONSTRUCTORS)}
|
|
|
|
|
|
|
|
} ${RELOCATING+ > ${DATA_MEMORY}}
|
|
|
|
|
|
|
|
${GOT}
|
|
|
|
${RELOCATING+${CTOR}}
|
|
|
|
${RELOCATING+${DTOR}}
|
|
|
|
|
|
|
|
${RELOCATING+${SDATA}}
|
|
|
|
${RELOCATING+${SDATA2}}
|
|
|
|
${RELOCATING+${SBSS}}
|
|
|
|
${RELOCATING+${SBSS2}}
|
|
|
|
.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});}
|
|
|
|
${RELOCATING+_end = .;}
|
|
|
|
${RELOCATING+PROVIDE (end = .);}
|
|
|
|
} ${RELOCATING+ > ${DATA_MEMORY}}
|
|
|
|
|
|
|
|
/* Global data not cleared after reset. */
|
|
|
|
.noinit ${RELOCATING-0}:
|
|
|
|
{
|
|
|
|
*(.noinit*)
|
|
|
|
${RELOCATING+. = ALIGN(${ALIGNMENT});}
|
|
|
|
${RELOCATING+ PROVIDE (__start_heap = .) ; }
|
|
|
|
} ${RELOCATING+ > ${DATA_MEMORY}}
|
|
|
|
|
|
|
|
|
|
|
|
/* 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) }
|
|
|
|
|
|
|
|
/* DWARF 3 */
|
|
|
|
.debug_pubtypes 0 : { *(.debug_pubtypes) }
|
|
|
|
.debug_ranges 0 : { *(.debug_ranges) }
|
|
|
|
|
|
|
|
/* DWARF Extension. */
|
|
|
|
.debug_macro 0 : { *(.debug_macro) }
|
|
|
|
|
|
|
|
/* ARC Extension Sections */
|
|
|
|
.arcextmap 0 : { *(.gnu.linkonce.arcextmap.*) }
|
|
|
|
}
|
|
|
|
EOF
|