9e8082845f
* emulparams/elf32bmip.sh: Make _gp hidden. * emulparams/elf32bmipn32-defs.sh: Likewise. * emulparams/elf32mipswindiss.sh: Likewise. * scripttempl/mips.sc: Likewise. ld/testsuite/ * ld-mips-elf/rel32-o32.d: Adjust section VMAs after the removal of _gp from the global scope. * ld-mips-elf/rel32-n32.d: Likewise. * ld-mips-elf/rel64.d: Likewise.
97 lines
2.9 KiB
Bash
97 lines
2.9 KiB
Bash
# If you change this file, please also look at files which source this one:
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# elf64bmip.sh elf64btsmip.sh elf32btsmipn32.sh elf32bmipn32.sh
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# This is an ELF platform.
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SCRIPT_NAME=elf
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# Handle both big- and little-ended 32-bit MIPS objects.
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ARCH=mips
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OUTPUT_FORMAT="elf32-bigmips"
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BIG_OUTPUT_FORMAT="elf32-bigmips"
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LITTLE_OUTPUT_FORMAT="elf32-littlemips"
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TEMPLATE_NAME=elf32
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EXTRA_EM_FILE=mipself
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case "$EMULATION_NAME" in
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elf32*n32*) ELFSIZE=32 ;;
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elf64*) ELFSIZE=64 ;;
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*) echo $0: unhandled emulation $EMULATION_NAME >&2; exit 1 ;;
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esac
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if test `echo "$host" | sed -e s/64//` = `echo "$target" | sed -e s/64//`; then
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case " $EMULATION_LIBPATH " in
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*" ${EMULATION_NAME} "*)
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NATIVE=yes
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;;
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esac
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fi
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# Look for 64 bit target libraries in /lib64, /usr/lib64 etc., first.
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LIBPATH_SUFFIX=$ELFSIZE
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GENERATE_SHLIB_SCRIPT=yes
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GENERATE_PIE_SCRIPT=yes
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TEXT_START_ADDR=0x10000000
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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ENTRY=__start
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# Unlike most targets, the MIPS backend puts all dynamic relocations
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# in a single dynobj section, which it also calls ".rel.dyn". It does
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# this so that it can easily sort all dynamic relocations before the
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# output section has been populated.
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OTHER_GOT_RELOC_SECTIONS="
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.rel.dyn ${RELOCATING-0} : { *(.rel.dyn) }
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"
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# GOT-related settings.
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# If the output has a GOT section, there must be exactly 0x7ff0 bytes
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# between .got and _gp. The ". = ." below stops the orphan code from
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# inserting other sections between the assignment to _gp and the start
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# of .got.
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OTHER_GOT_SYMBOLS='
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. = .;
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HIDDEN (_gp = ALIGN (16) + 0x7ff0);
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'
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# .got.plt is only used for the PLT psABI extension. It should not be
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# included in the .sdata block with .got, as there is no need to access
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# the section from _gp. Note that the traditional:
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#
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# . = .
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# _gp = ALIGN (16) + 0x7ff0;
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# .got : { *(.got.plt) *(.got) }
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#
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# would set _gp to the wrong value; _gp - 0x7ff0 must point to the start
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# of *(.got).
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GOT=".got ${RELOCATING-0} : { *(.got) }"
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unset OTHER_READWRITE_SECTIONS
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unset OTHER_RELRO_SECTIONS
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if test -n "$RELRO_NOW"; then
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OTHER_RELRO_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }"
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else
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OTHER_READWRITE_SECTIONS=".got.plt ${RELOCATING-0} : { *(.got.plt) }"
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fi
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OTHER_SDATA_SECTIONS="
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.lit8 ${RELOCATING-0} : { *(.lit8) }
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.lit4 ${RELOCATING-0} : { *(.lit4) }
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.srdata ${RELOCATING-0} : { *(.srdata) }
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"
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# Magic symbols.
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TEXT_START_SYMBOLS='_ftext = . ;'
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DATA_START_SYMBOLS='_fdata = . ;'
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OTHER_BSS_SYMBOLS='_fbss = .;'
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INITIAL_READONLY_SECTIONS=
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if test -z "${CREATE_SHLIB}"; then
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INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
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fi
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INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
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.reginfo ${RELOCATING-0} : { *(.reginfo) }"
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# Discard any .MIPS.content* or .MIPS.events* sections. The linker
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# doesn't know how to adjust them.
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OTHER_SECTIONS="/DISCARD/ : { *(.MIPS.content*) *(.MIPS.events*) }"
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TEXT_DYNAMIC=
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