diff options
Diffstat (limited to 'ld/scripttempl/nw.sc')
| -rw-r--r-- | ld/scripttempl/nw.sc | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/ld/scripttempl/nw.sc b/ld/scripttempl/nw.sc new file mode 100644 index 0000000..fd84e4f --- /dev/null +++ b/ld/scripttempl/nw.sc @@ -0,0 +1,121 @@ +# +# Unusual variables checked by this code: +# NOP - two byte opcode for no-op (defaults to 0) +# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start +# OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ... +# (e.g., .PARISC.milli) +# OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ... +# (e.g., .PARISC.global) +# 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_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. +# +# When adding sections, do note that the names of some sections are used +# when specifying the start address of the next. +# +test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} +test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} +test "$LD_FLAG" = "N" && DATA_ADDR=. +INTERP=".interp ${RELOCATING-0} : { *(.interp) }" +PLT=".plt ${RELOCATING-0} : { *(.plt) }" +cat <<EOF +OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", + "${LITTLE_OUTPUT_FORMAT}") +OUTPUT_ARCH(${ARCH}) + +${RELOCATING+${LIB_SEARCH_DIRS}} +${RELOCATING+/* Do we need any of these for elf? + __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} +${RELOCATING+${EXECUTABLE_SYMBOLS}} +${RELOCATING- /* For some reason, the Solaris linker makes bad executables + if gld -r is used and the intermediate file has sections starting + at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld + bug. But for now assigning the zero vmas works. */} +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}} + ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}} + ${CREATE_SHLIB-${INTERP}} + .hash ${RELOCATING-0} : { *(.hash) } + .dynsym ${RELOCATING-0} : { *(.dynsym) } + .dynstr ${RELOCATING-0} : { *(.dynstr) } + .rel.text ${RELOCATING-0} : { *(.rel.text) } + .rela.text ${RELOCATING-0} : { *(.rela.text) } + .rel.data ${RELOCATING-0} : { *(.rel.data) } + .rela.data ${RELOCATING-0} : { *(.rela.data) } + .rel.rodata ${RELOCATING-0} : { *(.rel.rodata) } + .rela.rodata ${RELOCATING-0} : { *(.rela.rodata) } + .rel.got ${RELOCATING-0} : { *(.rel.got) } + .rela.got ${RELOCATING-0} : { *(.rela.got) } + .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.bss ${RELOCATING-0} : { *(.rel.bss) } + .rela.bss ${RELOCATING-0} : { *(.rela.bss) } + .rel.plt ${RELOCATING-0} : { *(.rel.plt) } + .rela.plt ${RELOCATING-0} : { *(.rela.plt) } + .init ${RELOCATING-0} : { *(.init) } =${NOP-0} + ${DATA_PLT-${PLT}} + .text ${RELOCATING-0} : + { + ${RELOCATING+${TEXT_START_SYMBOLS}} + *(.text) + } + ${RELOCATING+_etext = .;} + ${RELOCATING+PROVIDE (etext = .);} + .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0} + .ctors ${RELOCATING-0} : { *(.ctors) } + .dtors ${RELOCATING-0} : { *(.dtors) } + .rodata ${RELOCATING-0} : { *(.rodata) } + .rodata1 ${RELOCATING-0} : { *(.rodata1) } + ${RELOCATING+${OTHER_READONLY_SECTIONS}} + + /* Read-write section, merged into data segment: */ + ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};} + .data ${RELOCATING-0} : + { + ${RELOCATING+${DATA_START_SYMBOLS}} + *(.data) + ${CONSTRUCTING+CONSTRUCTORS} + } + .data1 ${RELOCATING-0} : { *(.data1) } + ${RELOCATING+${OTHER_READWRITE_SECTIONS}} + .got ${RELOCATING-0} : { *(.got.plt) *(.got) } + .dynamic ${RELOCATING-0} : { *(.dynamic) } + ${DATA_PLT+${PLT}} + /* 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} : { *(.sdata) } + ${RELOCATING+_edata = .;} + ${RELOCATING+PROVIDE (edata = .);} + ${RELOCATING+__bss_start = .;} + ${RELOCATING+${OTHER_BSS_SYMBOLS}} + .sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) } + .bss ${RELOCATING-0} : + { + *(.dynbss) + *(.bss) + *(COMMON) + } + ${RELOCATING+_end = . ;} + ${RELOCATING+PROVIDE (end = .);} + + /* These are needed for ELF backends which have not yet been + converted to the new style linker. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + + /* These must appear regardless of ${RELOCATING}. */ + ${OTHER_SECTIONS} +} +EOF |