| # If you change this file, please also look at files which source this one: |
| # elf64bmip.sh elf64btsmip.sh elf32btsmipn32.sh elf32bmipn32.sh |
| |
| # This is an ELF platform. |
| SCRIPT_NAME=elf |
| |
| # Handle both big- and little-ended 32-bit MIPS objects. |
| ARCH=mips |
| OUTPUT_FORMAT="elf32-bigmips" |
| BIG_OUTPUT_FORMAT="elf32-bigmips" |
| LITTLE_OUTPUT_FORMAT="elf32-littlemips" |
| |
| TEMPLATE_NAME=elf |
| EXTRA_EM_FILE=mipself |
| |
| # Note: use "x$var" not x"$var" in case directive in order to work around bug in bash 4.2 |
| case "x$EMULATION_NAME" in |
| xelf32*n32*) ELFSIZE=32 ;; |
| xelf64*) ELFSIZE=64 ;; |
| x) ;; |
| *) echo $0: unhandled emulation $EMULATION_NAME >&2; exit 1 ;; |
| esac |
| |
| if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then |
| case " $EMULATION_LIBPATH " in |
| *" ${EMULATION_NAME} "*) |
| NATIVE=yes |
| ;; |
| esac |
| fi |
| |
| # Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first. |
| LIBPATH_SUFFIX=$ELFSIZE |
| |
| GENERATE_SHLIB_SCRIPT=yes |
| GENERATE_PIE_SCRIPT=yes |
| |
| TEXT_START_ADDR=0x10000000 |
| MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" |
| ENTRY=__start |
| |
| # Unlike most targets, the MIPS backend puts all dynamic relocations |
| # in a single dynobj section, which it also calls ".rel.dyn". It does |
| # this so that it can easily sort all dynamic relocations before the |
| # output section has been populated. |
| OTHER_GOT_RELOC_SECTIONS=" |
| .rel.dyn ${RELOCATING-0} : { *(.rel.dyn) } |
| " |
| # GOT-related settings. |
| # If the output has a GOT section, there must be exactly 0x7ff0 bytes |
| # between .got and _gp. |
| OTHER_GOT_SYMBOLS='HIDDEN (_gp = ALIGN (16) + 0x7ff0);' |
| |
| # .got.plt is only used for the PLT psABI extension. It should not be |
| # included in the .sdata block with .got, as there is no need to access |
| # the section from _gp. Note that the traditional: |
| # |
| # . = . |
| # _gp = ALIGN (16) + 0x7ff0; |
| # .got : { *(.got.plt) *(.got) } |
| # |
| # would set _gp to the wrong value; _gp - 0x7ff0 must point to the start |
| # of *(.got). |
| GOT=".got ${RELOCATING-0} : { *(.got) }" |
| unset OTHER_READWRITE_SECTIONS |
| unset OTHER_RELRO_SECTIONS |
| if test -n "$RELRO_NOW"; then |
| OTHER_RELRO_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" |
| else |
| OTHER_READWRITE_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" |
| fi |
| |
| OTHER_SDATA_SECTIONS=" |
| .lit8 ${RELOCATING-0} : { *(.lit8) } |
| .lit4 ${RELOCATING-0} : { *(.lit4) } |
| .srdata ${RELOCATING-0} : { *(.srdata) } |
| " |
| |
| # Magic symbols. |
| TEXT_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_ftext = .${CREATE_SHLIB+)};" |
| DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fdata = .${CREATE_SHLIB+)};" |
| OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fbss = .${CREATE_SHLIB+)};" |
| |
| INITIAL_READONLY_SECTIONS= |
| if test -z "${CREATE_SHLIB}"; then |
| INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" |
| fi |
| INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS} |
| .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) } |
| .MIPS.xhash ${RELOCATING-0} : { *(.MIPS.xhash) } |
| .reginfo ${RELOCATING-0} : { *(.reginfo) }" |
| # Discard any .MIPS.content* or .MIPS.events* sections. The linker |
| # doesn't know how to adjust them. |
| OTHER_SECTIONS="/DISCARD/ : { *(.MIPS.content*) *(.MIPS.events*) }" |
| |
| TEXT_DYNAMIC= |
