binutils-gdb/ld/emulparams/aarch64linux32.sh
Szabolcs Nagy c9cf7bdfe5 aarch64: Add DT_RELR support for ILP32 ABI
Extend the 64bit DT_RELR support to work on 32bit ELF too. For this
only a few changes were needed in the sizing and creation of the
relr relocations.
2024-06-25 11:07:51 +01:00

52 lines
1.5 KiB
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source_sh ${srcdir}/emulparams/dt-relr.sh
ARCH="aarch64:ilp32"
MACHINE=
NOP=0x1f2003d5
SCRIPT_NAME=elf
ELFSIZE=32
OUTPUT_FORMAT="elf32-littleaarch64"
BIG_OUTPUT_FORMAT="elf32-bigaarch64"
LITTLE_OUTPUT_FORMAT="elf32-littleaarch64"
NO_REL_RELOCS=yes
TEMPLATE_NAME=elf
EXTRA_EM_FILE=aarch64elf
GENERATE_SHLIB_SCRIPT=yes
GENERATE_PIE_SCRIPT=yes
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
SEPARATE_GOTPLT=12
IREL_IN_PLT=
TEXT_START_ADDR=0x400000
DATA_START_SYMBOLS='PROVIDE (__data_start = .);';
# AArch64 does not support .s* sections.
NO_SMALL_DATA=yes
OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__bss_start__ = .${CREATE_SHLIB+)};"
OTHER_BSS_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_bss_end__ = .${CREATE_SHLIB+)}; ${CREATE_SHLIB+PROVIDE (}__bss_end__ = .${CREATE_SHLIB+)};"
OTHER_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__end__ = .${CREATE_SHLIB+)};"
OTHER_SECTIONS='.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }'
ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }'
# Ensure each PLT entry is aligned to a cache line.
PLT=".plt ${RELOCATING-0} : ALIGN(16) { *(.plt)${RELOCATING+${IREL_IN_PLT+ *(.iplt)}} }"
# Linux modifies the default library search path to first include
# a 32-bit specific directory.
case "$target" in
aarch64*-linux*)
case "$EMULATION_NAME" in
aarch64linux*) LIBPATH_SUFFIX=ilp32 ;;
esac
;;
esac
ELF_INTERPRETER_NAME=\"/lib/ld-linux-aarch64_ilp32.so.1\"