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-rw-r--r--ld/scripttempl/elfarcv2.sc314
1 files changed, 314 insertions, 0 deletions
diff --git a/ld/scripttempl/elfarcv2.sc b/ld/scripttempl/elfarcv2.sc
new file mode 100644
index 0000000..0232d81
--- /dev/null
+++ b/ld/scripttempl/elfarcv2.sc
@@ -0,0 +1,314 @@
+#
+# 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}}
+
+ .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
generated by cgit v1.1 at 2024-12-12 06:54:48 +0000