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| author | Yufeng Zhang <yufeng.zhang@arm.com> | 2013-11-25 18:40:13 +0000 |
|---|---|---|
| committer | Yufeng Zhang <yufeng.zhang@arm.com> | 2013-11-25 18:40:13 +0000 |
| commit | 0c5b3a60288cc6d387d8dd3fee12e06e158d262c (patch) | |
| tree | ad04af46d020511fa254aebba6cf793b31624faf /ld/emulparams | |
| parent | abd04c41e129194670af602c73f96a1c5401b705 (diff) | |
| download | ppe42-binutils-0c5b3a60288cc6d387d8dd3fee12e06e158d262c.tar.gz ppe42-binutils-0c5b3a60288cc6d387d8dd3fee12e06e158d262c.zip | |
ld/ChangeLog:
* Makefile.am (ALL_64_EMULATION_SOURCES): Add eaarch64linux32.c
and eaarch64linux32b.c
(eaarch64linux32.c): New target.
(eaarch64linux32b.c): Likewise.
* Makefile.in: Regenerate.
* configure.tgt (aarch64_be-*-linux*): Add
aarch64linux32 and aarch64linux32b to targ_extra_libpath.
(aarch64-*-linux*): Likewise.
* emulparams/aarch64elf32.sh (SEPARATE_GOTPLT): Change to 12 (3 words).
* emulparams/aarch64linux32.sh: New file.
* emulparams/aarch64linux32b.sh: New file.
Diffstat (limited to 'ld/emulparams')
| -rw-r--r-- | ld/emulparams/aarch64elf32.sh | 2 | ||||
| -rw-r--r-- | ld/emulparams/aarch64linux32.sh | 47 | ||||
| -rw-r--r-- | ld/emulparams/aarch64linux32b.sh | 2 |
3 files changed, 50 insertions, 1 deletions
diff --git a/ld/emulparams/aarch64elf32.sh b/ld/emulparams/aarch64elf32.sh index 68a4d8002c..f85c9ffd18 100644 --- a/ld/emulparams/aarch64elf32.sh +++ b/ld/emulparams/aarch64elf32.sh @@ -17,7 +17,7 @@ MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" ENTRY=_start EMBEDDED=yes -SEPARATE_GOTPLT=24 +SEPARATE_GOTPLT=12 IREL_IN_PLT= TEXT_START_ADDR=0x00400000 diff --git a/ld/emulparams/aarch64linux32.sh b/ld/emulparams/aarch64linux32.sh new file mode 100644 index 0000000000..573b432139 --- /dev/null +++ b/ld/emulparams/aarch64linux32.sh @@ -0,0 +1,47 @@ +ARCH="aarch64:ilp32" +MACHINE= +NOP=0 + +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=elf32 +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='__bss_start__ = .;' +OTHER_BSS_END_SYMBOLS='_bss_end__ = . ; __bss_end__ = . ;' +OTHER_END_SYMBOLS='__end__ = . ;' + +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 ${RELOCATING-0} : ALIGN(16) { *(.plt)${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=32 ;; + esac + ;; +esac diff --git a/ld/emulparams/aarch64linux32b.sh b/ld/emulparams/aarch64linux32b.sh new file mode 100644 index 0000000000..f878b18117 --- /dev/null +++ b/ld/emulparams/aarch64linux32b.sh @@ -0,0 +1,2 @@ +. ${srcdir}/emulparams/aarch64linux32.sh +OUTPUT_FORMAT="elf32-bigaarch64" |
