From e09a710638e62112ae23964e45948bc5ef7bc3d6 Mon Sep 17 00:00:00 2001 From: Stan Cox Date: Sat, 4 Jan 2003 02:04:44 +0000 Subject: * Makefile.am (ALL_EMULATIONS): Add eelf32iq2000.o. (eelf32iq2000.c): New target. * Makefile.in: Regenerate. * configure.tgt: Handle iq2000-*-elf. * emulparams/elf32iq10.sh: New file. * emulparams/elf32iq2000.sh: New file. * scripttempl/iq2000.sc: New file. --- ld/scripttempl/iq2000.sc | 443 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 443 insertions(+) create mode 100644 ld/scripttempl/iq2000.sc (limited to 'ld/scripttempl') diff --git a/ld/scripttempl/iq2000.sc b/ld/scripttempl/iq2000.sc new file mode 100644 index 0000000..a07196a --- /dev/null +++ b/ld/scripttempl/iq2000.sc @@ -0,0 +1,443 @@ +# +# Unusual variables checked by this code: +# NOP - four byte opcode for no-op (defaults to 0) +# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start +# INITIAL_READONLY_SECTIONS - at start of data 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. +# +# 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 +# +# 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=. +INTERP=".interp ${RELOCATING-0} : { *(.interp) }" +PLT=".plt ${RELOCATING-0} : { *(.plt) }" +DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" +RODATA=".rodata ${RELOCATING-0} : { *(.rodata) ${RELOCATING+*(.rodata.*)} ${RELOCATING+*(.gnu.linkonce.r.*)} }" +SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) ${RELOCATING+*(.sbss2.*)} ${RELOCATING+*(.gnu.linkonce.sb2.*)} }" +SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) ${RELOCATING+*(.sdata2.*)} ${RELOCATING+*(.gnu.linkonce.s2.*)} }" +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}} + }" + +# 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 <