[AArch64, ILP32] 2/6 Parametrize elfnn-aarch64.c and add basic support in ld

and gas.

bfd/

	* Makefile.am (BFD64_BACKENDS): Add elf32-aarch64.lo.
	(BUILD_CFILES): Add elf32-aarch64.c.
	(elf32-aarch64.c): New rule for generating from elfnn-aarch64.c.
	* Makefile.in: Re-generated.
	* archures.c (bfd_mach_aarch64_ilp32): New define.
	* bfd-in.h (bfd_elf32_aarch64_init_maps): New declaration.
	(bfd_elf32_aarch64_set_options): Ditto.
	(elf32_aarch64_setup_section_lists): Ditto.
	(elf32_aarch64_next_input_section): Ditto.
	(elf32_aarch64_size_stubs): Ditto.
	(elf32_aarch64_build_stubs): Ditto.
	* bfd-in2.h: Re-generated.
	* config.bfd (aarch64-*-elf): Add bfd_elf32_littleaarch64_vec
	and bfd_elf32_bigaarch64_vec.
	(aarch64-*-linux*): Likewise.
	(aarch64_be-*-elf): Likewise.
	(aarch64_be-*-linux*): Likewise.
	* configure.in (bfd_elf32_bigaarch64_vec)
	(bfd_elf32_littleaarch64_vec): New.
	* configure: Re-generated.
	* cpu-aarch64.c (compatible): Don't allow mixing ilp32 objects with
	lp64 ones.
	(bfd_aarch64_arch_ilp32): New.
	(bfd_aarch64_arch): Link to bfd_aarch64_arch_ilp32.
	* elfnn-aarch64.c (ARCH_SIZE): New define.
	(AARCH64_R, AARCH64_R_STR, LOG_FILE_ALIGN): New defines.
	(GOT_ENTRY_SIZE): Re-define as (ARCH_SIZE / 8).
	(elf64_aarch64_*): Rename to elfNN_aarch64_*.
	(ELF64_R_*): Rename to ELFNN_R_*.
	Plus other paramaterization.
	* targets.c (bfd_elf32_bigaarch64_vec, bfd_elf32_littleaarch64_vec):
	New declarations.
	(_bfd_target_vector): Add bfd_elf32_bigaarch64_vec and
	bfd_elf32_littleaarch64_vec.

gas/

	* config/tc-aarch64.c (ilp32_p): New static variable.
	(elf64_aarch64_target_format): Return the target according to the
	value of 'ilp32_p'.
	(md_begin): Determine 'mach' according to the value of 'ilp32_p'.
	(aarch64_opts): Add support for options '-milp32' and '-mlp64'.
	(aarch64_dwarf2_addr_size): New function.
	* config/tc-aarch64.h (aarch64_dwarf2_addr_size): New declaration.
	(DWARF2_ADDR_SIZE): New define.

ld/

	* Makefile.am (ALL_64_EMULATION_SOURCES): Add eaarch64elf32.c.
	(eaarch64elf32.c): New dependency and rule.
	* Makefile.in: Re-generated.
	* configure.tgt (aarch64-*-elf): Add aarch64elf32.
	(aarch64_be-*-elf, aarch64_be-*-linux*, aarch64-*-linux*): Likewise.
	* emulparams/aarch64elf32.sh: New file.

1 files changed, 7 insertions, 1 deletions

diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index 5ed9bc76e0..58fb6d6cac 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -638,6 +638,7 @@ BFD32_BACKENDS_CFILES = \
 # elf32-ia64.c requires a 64-bit bfd_vma, and hence can not be put in
 # BFD32_BACKENDS.
 BFD64_BACKENDS = \
+	elf32-aarch64.lo \
 	elf64-aarch64.lo \
 	aix5ppc-core.lo \
 	aout64.lo \
@@ -763,7 +764,7 @@ SOURCE_CFILES = \
 	$(OPTIONAL_BACKENDS_CFILES)
 
 BUILD_CFILES = \
-	elf64-aarch64.c \
+	elf32-aarch64.c elf64-aarch64.c \
 	elf32-ia64.c elf64-ia64.c peigen.c pepigen.c pex64igen.c
 
 CFILES = $(SOURCE_CFILES) $(BUILD_CFILES)
@@ -912,6 +913,11 @@ elf64-target.h : elfxx-target.h
 	sed -e s/NN/64/g < $(srcdir)/elfxx-target.h > elf64-target.new
 	mv -f elf64-target.new elf64-target.h
 
+elf32-aarch64.c : elfnn-aarch64.c
+	rm -f elf32-aarch64.c
+	sed -e s/NN/32/g < $(srcdir)/elfnn-aarch64.c > elf32-aarch64.new
+	mv -f elf32-aarch64.new elf32-aarch64.c
+
 elf64-aarch64.c : elfnn-aarch64.c
 	rm -f elf64-aarch64.c
 	sed -e s/NN/64/g < $(srcdir)/elfnn-aarch64.c > elf64-aarch64.new