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=elf32 15EXTRA_EM_FILE=mipself 16 17case x"$EMULATION_NAME" in 18xelf32*n32*) ELFSIZE=32 ;; 19xelf64*) ELFSIZE=64 ;; 20x) ;; 21*) echo $0: unhandled emulation $EMULATION_NAME >&2; exit 1 ;; 22esac 23 24if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then 25 case " $EMULATION_LIBPATH " in 26 *" ${EMULATION_NAME} "*) 27 NATIVE=yes 28 ;; 29 esac 30fi 31 32# Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first. 33LIBPATH_SUFFIX=$ELFSIZE 34 35GENERATE_SHLIB_SCRIPT=yes 36GENERATE_PIE_SCRIPT=yes 37 38TEXT_START_ADDR=0x10000000 39MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" 40ENTRY=__start 41 42# Unlike most targets, the MIPS backend puts all dynamic relocations 43# in a single dynobj section, which it also calls ".rel.dyn". It does 44# this so that it can easily sort all dynamic relocations before the 45# output section has been populated. 46OTHER_GOT_RELOC_SECTIONS=" 47 .rel.dyn ${RELOCATING-0} : { *(.rel.dyn) } 48" 49# GOT-related settings. 50# If the output has a GOT section, there must be exactly 0x7ff0 bytes 51# between .got and _gp. The ". = ." below stops the orphan code from 52# inserting other sections between the assignment to _gp and the start 53# of .got. 54OTHER_GOT_SYMBOLS=' 55 . = .; 56 HIDDEN (_gp = ALIGN (16) + 0x7ff0); 57' 58# .got.plt is only used for the PLT psABI extension. It should not be 59# included in the .sdata block with .got, as there is no need to access 60# the section from _gp. Note that the traditional: 61# 62# . = . 63# _gp = ALIGN (16) + 0x7ff0; 64# .got : { *(.got.plt) *(.got) } 65# 66# would set _gp to the wrong value; _gp - 0x7ff0 must point to the start 67# of *(.got). 68GOT=".got ${RELOCATING-0} : { *(.got) }" 69unset OTHER_READWRITE_SECTIONS 70unset OTHER_RELRO_SECTIONS 71if test -n "$RELRO_NOW"; then 72 OTHER_RELRO_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 73else 74 OTHER_READWRITE_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 75fi 76 77OTHER_SDATA_SECTIONS=" 78 .lit8 ${RELOCATING-0} : { *(.lit8) } 79 .lit4 ${RELOCATING-0} : { *(.lit4) } 80 .srdata ${RELOCATING-0} : { *(.srdata) } 81" 82 83# Magic symbols. 84TEXT_START_SYMBOLS='_ftext = . ;' 85DATA_START_SYMBOLS='_fdata = . ;' 86OTHER_BSS_SYMBOLS='_fbss = .;' 87 88INITIAL_READONLY_SECTIONS= 89if test -z "${CREATE_SHLIB}"; then 90 INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" 91fi 92INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS} 93 .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) } 94 .reginfo ${RELOCATING-0} : { *(.reginfo) }" 95# Discard any .MIPS.content* or .MIPS.events* sections. The linker 96# doesn't know how to adjust them. 97OTHER_SECTIONS="/DISCARD/ : { *(.MIPS.content*) *(.MIPS.events*) }" 98 99TEXT_DYNAMIC= 100