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[Patch, AArch64, ILP32] Add big-endian linker target
- From: Yufeng Zhang <Yufeng dot Zhang at arm dot com>
- To: binutils at sourceware dot org
- Cc: Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>
- Date: Tue, 25 Jun 2013 17:20:34 +0100
- Subject: [Patch, AArch64, ILP32] Add big-endian linker target
- References: <51C4919B dot 1010407 at arm dot com>
Hi,
This patch adds the big-endian ELF32 linker target.
OK for the trunk after the approval of its prerequisite ILP32-related
patches?
Thanks,
Yufeng
ld/
* Makefile.am (ALL_64_EMULATION_SOURCES): Add eaarch64elf32b.c.
(eaarch64elf32b.c): New dependency and rule.
* Makefile.in: Re-generated.
* configure.tgt (aarch64-*-elf): Add aarch64elf32b.
(aarch64_be-*-elf, aarch64_be-*-linux*, aarch64-*-linux*):
Likewise.
* emulparams/aarch64elf32b.sh: New file.
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 7a4c48d..d9aad59 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -494,6 +494,7 @@ ALL_64_EMULATION_SOURCES = \
eaarch64elf.c \
eaarch64elf32.c \
eaarch64elfb.c \
+ eaarch64elf32b.c \
eaarch64linux.c \
eaarch64linuxb.c \
eelf32_x86_64.c \
@@ -1801,6 +1802,10 @@ eaarch64elfb.c: $(srcdir)/emulparams/aarch64elfb.sh $(srcdir)/emulparams/aarch64
$(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} aarch64elfb "$(tdir_aarch64elfb)"
+eaarch64elf32b.c: $(srcdir)/emulparams/aarch64elf32b.sh $(srcdir)/emulparams/aarch64elf32.sh \
+ $(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
+ $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} aarch64elf32b "$(tdir_aarch64elf32b)"
eaarch64linux.c: $(srcdir)/emulparams/aarch64linux.sh \
$(ELF_DEPS) $(srcdir)/emultempl/aarch64elf.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
diff --git a/ld/configure.tgt b/ld/configure.tgt
index 3fc3ec2..dcbc371 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -46,13 +46,13 @@ targ64_extra_libpath=
# break the alpha sorting.
case "${targ}" in
aarch64_be-*-elf) targ_emul=aarch64elfb
- targ_extra_emuls="aarch64elf aarch64elf32 armelfb armelf" ;;
+ targ_extra_emuls="aarch64elf aarch64elf32 aarch64elf32b armelfb armelf" ;;
aarch64-*-elf) targ_emul=aarch64elf
- targ_extra_emuls="aarch64elf32 aarch64elfb armelf armelfb" ;;
+ targ_extra_emuls="aarch64elf32 aarch64elf32b aarch64elfb armelf armelfb" ;;
aarch64_be-*-linux*) targ_emul=aarch64linuxb
- targ_extra_emuls="aarch64linux aarch64elfb aarch64elf aarch64elf32 armelfb_linux_eabi armelf_linux_eabi armelfb armelf" ;;
+ targ_extra_emuls="aarch64linux aarch64elfb aarch64elf aarch64elf32 aarch64elf32b armelfb_linux_eabi armelf_linux_eabi armelfb armelf" ;;
aarch64-*-linux*) targ_emul=aarch64linux
- targ_extra_emuls="aarch64linuxb aarch64elf aarch64elf32 aarch64elfb armelf_linux_eabi armelfb_linux_eabi armelf armelfb" ;;
+ targ_extra_emuls="aarch64linuxb aarch64elf aarch64elf32 aarch64elf32b aarch64elfb armelf_linux_eabi armelfb_linux_eabi armelf armelfb" ;;
alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
targ_emul=elf64alpha_fbsd
targ_extra_emuls="elf64alpha alpha"
diff --git a/ld/emulparams/aarch64elf32b.sh b/ld/emulparams/aarch64elf32b.sh
new file mode 100644
index 0000000..aa0a2c5
--- /dev/null
+++ b/ld/emulparams/aarch64elf32b.sh
@@ -0,0 +1,2 @@
+. ${srcdir}/emulparams/aarch64elf32.sh
+OUTPUT_FORMAT="elf32-bigaarch64"