From 85fbca6a4f46e23f3ebb7761821694b358e253b5 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Tue, 6 Jul 2004 16:58:43 +0000 Subject: Add support for sh-symbian-elf target --- ld/scripttempl/elf32sh-symbian.sc | 377 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 377 insertions(+) create mode 100644 ld/scripttempl/elf32sh-symbian.sc (limited to 'ld/scripttempl/elf32sh-symbian.sc') diff --git a/ld/scripttempl/elf32sh-symbian.sc b/ld/scripttempl/elf32sh-symbian.sc new file mode 100644 index 0000000..abc75d3 --- /dev/null +++ b/ld/scripttempl/elf32sh-symbian.sc @@ -0,0 +1,377 @@ +# +# 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 text 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. +# STACK_ADDR - start of a .stack section. +# OTHER_END_SYMBOLS - symbols to place right at the end of the script. +# +# 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 +# .debug_info .gnu.linkonce.wi.foo +# .tdata .gnu.linkonce.td.foo +# .tbss .gnu.linkonce.tb.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 "$LD_FLAG" = "N" && DATA_ADDR=. +test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" +test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" +DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" +DATA_SEGMENT_END="" +if test -n "${COMMONPAGESIZE}"; then + DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" +fi + INTERP=".interp ALIGN(4) : { *(.interp) }" + PLT=".plt : { *(.plt) } :dynamic :dyn" +DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" + RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" +STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) *(.directive) }" +test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" +CTOR=".ctors ALIGN(4) : + { + ${CONSTRUCTING+${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}} + } :text" +DTOR=".dtors ALIGN(4) : + { + ${CONSTRUCTING+${DTOR_START}} + KEEP (*crtbegin*.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + ${CONSTRUCTING+${DTOR_END}} + } :text" +STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : + { + ${RELOCATING+_stack = .;} + *(.stack) + } :data" + +# if this is for an embedded system, don't add SIZEOF_HEADERS. +if [ -z "$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 <