1# If you change this file, please also look at files which source this one: 2# elf64bmip.sh elf64btsmip.sh elf32btsmipn32.sh elf32bmipn32.sh 3 4# This is an ELF platform. 5SCRIPT_NAME=elf 6 7# Handle both big- and little-ended 32-bit MIPS objects. 8ARCH=mips 9MACHINE= 10OUTPUT_FORMAT="elf32-bigmips" 11BIG_OUTPUT_FORMAT="elf32-bigmips" 12LITTLE_OUTPUT_FORMAT="elf32-littlemips" 13 14TEMPLATE_NAME=elf 15EXTRA_EM_FILE=mipself 16 17# Note: use "x$var" not x"$var" in case directive in order to work around bug in bash 4.2 18case "x$EMULATION_NAME" in 19xelf32*n32*) ELFSIZE=32 ;; 20xelf64*) ELFSIZE=64 ;; 21x) ;; 22*) echo $0: unhandled emulation $EMULATION_NAME >&2; exit 1 ;; 23esac 24 25if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then 26 case " $EMULATION_LIBPATH " in 27 *" ${EMULATION_NAME} "*) 28 NATIVE=yes 29 ;; 30 esac 31fi 32 33# Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first. 34LIBPATH_SUFFIX=$ELFSIZE 35 36GENERATE_SHLIB_SCRIPT=yes 37GENERATE_PIE_SCRIPT=yes 38 39TEXT_START_ADDR=0x10000000 40MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" 41ENTRY=__start 42 43# Unlike most targets, the MIPS backend puts all dynamic relocations 44# in a single dynobj section, which it also calls ".rel.dyn". It does 45# this so that it can easily sort all dynamic relocations before the 46# output section has been populated. 47OTHER_GOT_RELOC_SECTIONS=" 48 .rel.dyn ${RELOCATING-0} : { *(.rel.dyn) } 49" 50# GOT-related settings. 51# If the output has a GOT section, there must be exactly 0x7ff0 bytes 52# between .got and _gp. 53OTHER_GOT_SYMBOLS='HIDDEN (_gp = ALIGN (16) + 0x7ff0);' 54 55# .got.plt is only used for the PLT psABI extension. It should not be 56# included in the .sdata block with .got, as there is no need to access 57# the section from _gp. Note that the traditional: 58# 59# . = . 60# _gp = ALIGN (16) + 0x7ff0; 61# .got : { *(.got.plt) *(.got) } 62# 63# would set _gp to the wrong value; _gp - 0x7ff0 must point to the start 64# of *(.got). 65GOT=".got ${RELOCATING-0} : { *(.got) }" 66unset OTHER_READWRITE_SECTIONS 67unset OTHER_RELRO_SECTIONS 68if test -n "$RELRO_NOW"; then 69 OTHER_RELRO_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 70else 71 OTHER_READWRITE_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 72fi 73 74OTHER_SDATA_SECTIONS=" 75 .lit8 ${RELOCATING-0} : { *(.lit8) } 76 .lit4 ${RELOCATING-0} : { *(.lit4) } 77 .srdata ${RELOCATING-0} : { *(.srdata) } 78" 79 80# Magic symbols. 81TEXT_START_SYMBOLS="PROVIDE_HIDDEN (__eprol = .); ${CREATE_SHLIB+PROVIDE (}_ftext = .${CREATE_SHLIB+)};" 82DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fdata = .${CREATE_SHLIB+)};" 83OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fbss = .${CREATE_SHLIB+)};" 84 85INITIAL_READONLY_SECTIONS= 86if test -z "${CREATE_SHLIB}"; then 87 INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" 88fi 89INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS} 90 .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) } 91 .MIPS.xhash ${RELOCATING-0} : { *(.MIPS.xhash) } 92 .reginfo ${RELOCATING-0} : { *(.reginfo) }" 93# Discard any .MIPS.content* or .MIPS.events* sections. The linker 94# doesn't know how to adjust them. 95OTHER_SECTIONS="/DISCARD/ : { *(.MIPS.content*) *(.MIPS.events*) }" 96 97TEXT_DYNAMIC= 98