b8891f8d62
This patch series is a new binutils port for C-SKY processors, including support for both the V1 and V2 processor variants. V1 is derived from the MCore architecture while V2 is substantially different, with mixed 16- and 32-bit instructions, a larger register set, a different (but overlapping) ABI, etc. There is support for bare-metal ELF targets and Linux with both glibc and uClibc. This code is being contributed jointly by C-SKY Microsystems and Mentor Graphics. C-SKY is responsible for the technical content and has proposed Lifang Xia and Yunhai Shang as port maintainers. (Note that C-SKY does have a corporate copyright assignment on file with the FSF.) Mentor Graphics' role has been cleaning up the code, adding documentation and additional test cases, etc, to address issues we anticipated reviewers would complain about. bfd * Makefile.am (ALL_MACHINES, ALL_MACHINES_CFILES): Add C-SKY. (BFD32_BACKENDS, BFD_BACKENDS_CFILES): Likewise. * Makefile.in: Regenerated. * archures.c (enum bfd_architecture): Add bfd_arch_csky and related bfd_mach defines. (bfd_csky_arch): Declare. (bfd_archures_list): Add C-SKY. * bfd-in.h (elf32_csky_build_stubs): Declare. (elf32_csky_size_stubs): Declare. (elf32_csky_next_input_section: Declare. (elf32_csky_setup_section_lists): Declare. * bfd-in2.h: Regenerated. * config.bfd: Add C-SKY. * configure.ac: Likewise. * configure: Regenerated. * cpu-csky.c: New file. * elf-bfd.h (enum elf_target_id): Add C-SKY. * elf32-csky.c: New file. * libbfd.h: Regenerated. * reloc.c: Add C-SKY relocations. * targets.c (csky_elf32_be_vec, csky_elf32_le_vec): Declare. (_bfd_target_vector): Add C-SKY target vector entries. binutils* readelf.c: Include elf/csky.h. (guess_is_rela): Handle EM_CSKY. (dump_relocations): Likewise. (get_machine_name): Likewise. (is_32bit_abs_reloc): Likewise. include * dis-asm.h (csky_symbol_is_valid): Declare. * opcode/csky.h: New file. opcodes * Makefile.am (TARGET_LIBOPCODES_CFILES): Add csky-dis.c. * Makefile.in: Regenerated. * configure.ac: Add C-SKY. * configure: Regenerated. * csky-dis.c: New file. * csky-opc.h: New file. * disassemble.c (ARCH_csky): Define. (disassembler, disassemble_init_for_target): Add case for ARCH_csky. * disassemble.h (print_insn_csky, csky_get_disassembler): Declare. gas * Makefile.am (TARGET_CPU_CFILES): Add entry for C-SKY. (TARGET_CPU_HFILES, TARGET_ENV_HFILES): Likewise. * Makefile.in: Regenerated. * config/tc-csky.c: New file. * config/tc-csky.h: New file. * config/te-csky_abiv1.h: New file. * config/te-csky_abiv1_linux.h: New file. * config/te-csky_abiv2.h: New file. * config/te-csky_abiv2_linux.h: New file. * configure.tgt: Add C-SKY. * doc/Makefile.am (CPU_DOCS): Add entry for C-SKY. * doc/Makefile.in: Regenerated. * doc/all.texi: Set CSKY feature. * doc/as.texi (Overview): Add C-SKY options. (Machine Dependencies): Likewise. * doc/c-csky.texi: New file. * testsuite/gas/csky/*: New test cases. ld * Makefile.am (ALL_EMULATION_SOURCES): Add C-SKY emulations. (ecskyelf.c, ecskyelf_linux.c): New rules. * Makefile.in: Regenerated. * configure.tgt: Add C-SKY. * emulparams/cskyelf.sh: New file. * emulparams/cskyelf_linux.sh: New file. * emultempl/cskyelf.em: New file. * gen-doc.texi: Add C-SKY. * ld.texi: Likewise. (Options specific to C-SKY targets): New section. * testsuite/ld-csky/*: New tests.
462 lines
14 KiB
Bash
462 lines
14 KiB
Bash
# gas target specific configuration file. This is a -*- sh -*- file.
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#
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# Copyright (C) 2012-2018 Free Software Foundation, Inc.
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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#
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# This is invoked by configure. Putting it in a separate shell file
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# lets us skip running autoconf when modifying target specific
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# information.
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# Input shell variables:
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# targ a configuration target name, such as i686-pc-linux-gnu.
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# Output shell variables:
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# cpu_type canonical gas cpu type; identifies the config/tc-* files
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# fmt output format; identifies the config/obj-* files
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# em emulation; identifies the config/te-* files
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# Optional output shell variables; these are not always set:
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# arch the default architecture; sets DEFAULT_ARCH on some systems
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# endian "big" or "little"; used on bi-endian systems
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cpu_type=
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fmt=
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em=generic
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bfd_gas=no
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arch=
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endian=
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eval `echo $targ | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
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# Check for architecture variants. Set cpu_type and, optionally,
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# endian and arch.
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# Note: This table is alpha-sorted, please try to keep it that way.
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case ${cpu} in
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aarch64) cpu_type=aarch64 endian=little arch=aarch64;;
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aarch64_be) cpu_type=aarch64 endian=big arch=aarch64;;
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alpha*) cpu_type=alpha ;;
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am33_2.0) cpu_type=mn10300 endian=little ;;
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arc*eb) cpu_type=arc endian=big ;;
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arm*be|arm*b) cpu_type=arm endian=big ;;
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arm*) cpu_type=arm endian=little ;;
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bfin*) cpu_type=bfin endian=little ;;
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c4x*) cpu_type=tic4x ;;
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cr16*) cpu_type=cr16 endian=little ;;
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crisv32) cpu_type=cris arch=crisv32 ;;
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crx*) cpu_type=crx endian=little ;;
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epiphany*) cpu_type=epiphany endian=little ;;
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fido) cpu_type=m68k ;;
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hppa*) cpu_type=hppa ;;
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i[3-7]86) cpu_type=i386 arch=i386;;
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ia16) cpu_type=i386 arch=i386;;
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ia64) cpu_type=ia64 ;;
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ip2k) cpu_type=ip2k endian=big ;;
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iq2000) cpu_type=iq2000 endian=big ;;
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lm32) cpu_type=lm32 ;;
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m32c) cpu_type=m32c endian=little ;;
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m32r) cpu_type=m32r endian=big ;;
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m32rle) cpu_type=m32r endian=little ;;
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m5200) cpu_type=m68k ;;
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m68008) cpu_type=m68k ;;
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m680[012346]0) cpu_type=m68k ;;
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m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
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m683??) cpu_type=m68k ;;
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s12z) cpu_type=s12z ;;
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mep) cpu_type=mep endian=little ;;
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microblazeel*) cpu_type=microblaze endian=little;;
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microblaze*) cpu_type=microblaze endian=big;;
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mips*el) cpu_type=mips endian=little ;;
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mips*) cpu_type=mips endian=big ;;
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mt) cpu_type=mt endian=big ;;
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nds32be) cpu_type=nds32 endian=big ;;
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nds32le) cpu_type=nds32 endian=little ;;
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or1k* | or1knd*) cpu_type=or1k endian=big ;;
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pjl*) cpu_type=pj endian=little ;;
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pj*) cpu_type=pj endian=big ;;
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powerpc*le*) cpu_type=ppc endian=little ;;
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powerpc*) cpu_type=ppc endian=big ;;
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riscv64*) cpu_type=riscv endian=little arch=riscv64 ;;
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riscv32* | riscv*) cpu_type=riscv endian=little arch=riscv32 ;;
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rs6000*) cpu_type=ppc ;;
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rl78*) cpu_type=rl78 ;;
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rx) cpu_type=rx ;;
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s390x*) cpu_type=s390 arch=s390x ;;
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s390*) cpu_type=s390 arch=s390 ;;
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score*l) cpu_type=score endian=little ;;
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score*) cpu_type=score endian=big ;;
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sh*le) cpu_type=sh endian=little ;;
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sh*) cpu_type=sh endian=big ;;
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sparc64* | sparcv9*) cpu_type=sparc arch=v9-64 ;;
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sparc86x*) cpu_type=sparc arch=sparc86x ;;
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sparclet*) cpu_type=sparc arch=sparclet ;;
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sparclite*) cpu_type=sparc arch=sparclite ;;
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sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
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tilegx*be) cpu_type=tilegx endian=big ;;
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tilegx*) cpu_type=tilegx endian=little ;;
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v850*) cpu_type=v850 ;;
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visium) cpu_type=visium endian=big ;;
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wasm32) cpu_type=wasm32 endian=little ;;
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x86_64*) cpu_type=i386 arch=x86_64;;
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xgate) cpu_type=xgate ;;
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xtensa*) cpu_type=xtensa arch=xtensa ;;
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*) cpu_type=${cpu} ;;
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esac
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# Assign object format. Set fmt, em, and bfd_gas.
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generic_target=${cpu_type}-$vendor-$os
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# Note: This table is alpha-sorted, please try to keep it that way.
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case ${generic_target} in
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aarch64*-*-elf*) fmt=elf;;
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aarch64*-*-fuchsia*) fmt=elf;;
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aarch64*-*-linux*) fmt=elf em=linux
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case ${cpu}-${os} in
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aarch64*-linux-gnu_ilp32) arch=aarch64:32 ;;
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esac ;;
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alpha-*-*vms*) fmt=evax ;;
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alpha-*-osf*) fmt=ecoff ;;
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alpha-*-linux*ecoff*) fmt=ecoff ;;
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alpha-*-linux-*) fmt=elf em=linux ;;
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alpha-*-netbsd* | alpha-*-openbsd*) fmt=elf em=nbsd ;;
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arc-*-elf*) fmt=elf ;;
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arc*-*-linux*) fmt=elf bfd_gas=yes ;;
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arm-*-phoenix*) fmt=elf ;;
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arm-*-elf) fmt=elf ;;
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arm-*-eabi* | arm-*-rtems*) fmt=elf em=armeabi ;;
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arm-*-symbianelf*) fmt=elf em=symbian ;;
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arm-*-kaos*) fmt=elf ;;
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arm-*-conix*) fmt=elf ;;
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arm-*-freebsd[89].* | armeb-*-freebsd[89].*)
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fmt=elf em=freebsd ;;
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arm-*-freebsd* | armeb-*-freebsd*) fmt=elf em=armfbsdeabi ;;
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arm*-*-freebsd*) fmt=elf em=armfbsdvfp ;;
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arm-*-linux-*eabi*) fmt=elf em=armlinuxeabi ;;
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arm-*-linux-*) fmt=elf em=linux ;;
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arm-*-uclinux*eabi*) fmt=elf em=armlinuxeabi ;;
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arm-*-uclinux*) fmt=elf em=linux ;;
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arm-*-nacl*) fmt=elf em=nacl ;;
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arm-*-netbsdelf*) fmt=elf em=nbsd ;;
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arm-*-nto*) fmt=elf ;;
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arm-wince-pe | arm-*-wince | arm*-*-mingw32ce* | arm*-*-cegcc*)
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fmt=coff em=wince-pe ;;
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arm-*-pe) fmt=coff em=pe ;;
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arm-*-fuchsia*) fmt=elf ;;
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avr-*-*) fmt=elf bfd_gas=yes ;;
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bfin-*-linux-uclibc) fmt=fdpicelf em=linux ;;
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bfin-*-uclinux*) fmt=elf em=linux ;;
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bfin-*elf) fmt=elf ;;
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cr16-*-elf*) fmt=elf ;;
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cris-*-linux-* | crisv32-*-linux-*)
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fmt=multi em=linux ;;
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cris-*-* | crisv32-*-*) fmt=multi ;;
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crx-*-elf*) fmt=elf ;;
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csky-*-elf*abiv1) fmt=elf em=csky_abiv1 ;;
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csky-*-elf*) fmt=elf em=csky_abiv2 ;;
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csky-*-linux*abiv1) fmt=elf em=csky_abiv1_linux ;;
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csky-*-linux*) fmt=elf em=csky_abiv2_linux ;;
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d10v-*-*) fmt=elf ;;
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d30v-*-*) fmt=elf ;;
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dlx-*-*) fmt=elf ;;
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epiphany-*-*) fmt=elf ;;
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fr30-*-*) fmt=elf ;;
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frv-*-*linux*) fmt=elf em=linux;;
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frv-*-*) fmt=elf ;;
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ft32-*-*) fmt=elf ;;
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hppa-*-linux*)
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case ${cpu} in
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hppa*64*) fmt=elf em=hppalinux64 ;;
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hppa*) fmt=elf em=linux ;;
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esac ;;
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hppa-*-*elf*) fmt=elf em=hppa ;;
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hppa-*-lites*) fmt=elf em=hppa ;;
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hppa-*-netbsd*) fmt=elf em=nbsd ;;
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hppa-*-openbsd*) fmt=elf em=hppa ;;
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hppa-*-osf*) fmt=som em=hppa ;;
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hppa-*-hpux11*)
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case ${cpu} in
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hppa*64*) fmt=elf em=hppa64 ;;
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hppa*) fmt=som em=hppa ;;
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esac ;;
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hppa-*-hpux*) fmt=som em=hppa ;;
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hppa-*-mpeix*) fmt=som em=hppa ;;
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hppa-*-bsd*) fmt=som em=hppa ;;
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hppa-*-hiux*) fmt=som em=hppa ;;
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h8300-*-elf) fmt=elf ;;
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h8300-*-linux*) fmt=elf em=linux ;;
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i386-*-beospe*) fmt=coff em=pe ;;
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i386-*-beos*) fmt=elf ;;
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i386-*-elfiamcu) fmt=elf arch=iamcu ;;
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i386-*-elf*) fmt=elf ;;
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i386-*-fuchsia*) fmt=elf ;;
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i386-*-kaos*) fmt=elf ;;
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i386-*-bsd*) fmt=aout em=386bsd ;;
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i386-*-nacl*) fmt=elf em=nacl
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case ${cpu} in
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x86_64*) arch=x86_64:32 ;;
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esac ;;
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i386-*-netbsdpe*) fmt=coff em=pe ;;
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i386-*-netbsd*-gnu* | \
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i386-*-knetbsd*-gnu | \
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i386-*-netbsd* | \
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i386-*-openbsd*) fmt=elf em=nbsd ;;
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i386-*-linux-*) fmt=elf em=linux
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case ${cpu}-${os} in
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x86_64*-linux-gnux32) arch=x86_64:32 ;;
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esac ;;
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i386-*-lynxos*) fmt=elf em=lynx ;;
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i386-*-redox*) fmt=elf ;;
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i386-*-solaris*) fmt=elf em=solaris ;;
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i386-*-freebsd* \
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| i386-*-kfreebsd*-gnu) fmt=elf em=freebsd ;;
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i386-*-msdosdjgpp* \
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| i386-*-go32*) fmt=coff em=go32 ;;
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i386-*-gnu*) fmt=elf em=gnu ;;
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i386-*-msdos*) fmt=aout ;;
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i386-*-moss*) fmt=elf ;;
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i386-*-pe) fmt=coff em=pe ;;
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i386-*-cygwin*)
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case ${cpu} in
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x86_64*) fmt=coff em=pep ;;
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i*) fmt=coff em=pe ;;
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esac ;;
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i386-*-interix*) fmt=coff em=interix ;;
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i386-*-mingw*)
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case ${cpu} in
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x86_64*) fmt=coff em=pep ;;
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i*) fmt=coff em=pe ;;
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esac ;;
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i386-*-nto-qnx*) fmt=elf ;;
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i386-*-*nt*) fmt=coff em=pe ;;
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i386-*-chaos) fmt=elf ;;
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i386-*-rdos*) fmt=elf ;;
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i386-*-darwin*) fmt=macho ;;
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ia16-*-elf*) fmt=elf ;;
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ia64-*-elf*) fmt=elf ;;
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ia64-*-*vms*) fmt=elf em=vms ;;
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ia64-*-aix*) fmt=elf em=ia64aix ;;
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ia64-*-linux-*) fmt=elf em=linux ;;
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ia64-*-hpux*) fmt=elf em=hpux ;;
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ia64-*-netbsd*) fmt=elf em=nbsd ;;
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ip2k-*-*) fmt=elf ;;
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iq2000-*-elf) fmt=elf ;;
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lm32-*-*) fmt=elf ;;
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m32c-*-elf) fmt=elf ;;
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m32r-*-elf*) fmt=elf ;;
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m32r-*-linux*) fmt=elf em=linux;;
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m68hc11-*-* | m6811-*-*) fmt=elf ;;
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m68hc12-*-* | m6812-*-*) fmt=elf ;;
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m68k-*-elf*) fmt=elf ;;
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m68k-*-sysv4*) fmt=elf em=svr4 ;;
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m68k-*-linux-*) fmt=elf em=linux ;;
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m68k-*-uclinux*) fmt=elf em=uclinux ;;
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m68k-*-gnu*) fmt=elf ;;
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m68k-*-netbsdelf*) fmt=elf em=nbsd ;;
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s12z-*-*) fmt=elf ;;
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mep-*-elf) fmt=elf ;;
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metag-*-elf) fmt=elf ;;
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metag-*-linux*) fmt=elf em=linux ;;
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mcore-*-elf) fmt=elf ;;
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mcore-*-pe) fmt=coff em=pe bfd_gas=yes ;;
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microblaze-*-*) fmt=elf ;;
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mips-*-irix6*) fmt=elf em=irix ;;
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mips-*-irix5*) fmt=elf em=irix ;;
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mips*-*-linux*) fmt=elf em=tmips ;;
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mips*-*-freebsd* | mips*-*-kfreebsd*-gnu)
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fmt=elf em=freebsd ;;
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mips-*-sysv4* | mips-*-gnu*) fmt=elf em=tmips ;;
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mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
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fmt=elf em=tmips ;;
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mips-*-elf*) fmt=elf ;;
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mips-*-netbsd*) fmt=elf em=tmips ;;
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mips-*-openbsd*) fmt=elf em=tmips ;;
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mips-*-windiss) fmt=elf ;;
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mmix-*-*) fmt=elf ;;
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mn10200-*-*) fmt=elf ;;
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# cpu_type for am33_2.0 is set to mn10300
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mn10300-*-linux*) fmt=elf em=linux ;;
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mn10300-*-*) fmt=elf ;;
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moxie-*-uclinux) fmt=elf em=linux ;;
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moxie-*-moxiebox*) fmt=elf endian=little ;;
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moxie-*-*) fmt=elf ;;
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mt-*-elf) fmt=elf bfd_gas=yes ;;
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msp430-*-*) fmt=elf ;;
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nds32-*-elf*) fmt=elf ;;
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nds32-*-linux*) fmt=elf em=linux ;;
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nios2*-linux*) fmt=elf em=linux ;;
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ns32k-pc532-mach*) fmt=aout em=pc532mach ;;
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ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
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ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
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ns32k-*-*n*bsd*) fmt=aout em=nbsd532 ;;
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or1k*-*-elf | or1k*-*-rtems*) fmt=elf endian=big ;;
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or1k*-*-linux*) fmt=elf em=linux endian=big ;;
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pj*) fmt=elf ;;
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ppc-*-pe | ppc-*-cygwin*) fmt=coff em=pe ;;
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ppc-*-winnt*) fmt=coff em=pe ;;
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ppc-*-aix5.[01]) fmt=coff em=aix5 ;;
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ppc-*-aix[5-9].*) fmt=coff em=aix5 ;;
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ppc-*-aix*) fmt=coff em=aix ;;
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ppc-*-beos*) fmt=coff ;;
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ppc-*-*n*bsd* | ppc-*-elf*) fmt=elf ;;
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ppc-*-eabi* | ppc-*-sysv4*) fmt=elf ;;
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ppc-*-linux-*) fmt=elf em=linux ;;
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ppc-*-solaris*) fmt=elf em=solaris ;;
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ppc-*-macos*) fmt=coff em=macos ;;
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ppc-*-nto*) fmt=elf ;;
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ppc-*-kaos*) fmt=elf ;;
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ppc-*-lynxos*) fmt=elf em=lynx ;;
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pru-*-*) fmt=elf ;;
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riscv*-*-*) fmt=elf endian=little ;;
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|
s390-*-linux-*) fmt=elf em=linux ;;
|
|
s390-*-tpf*) fmt=elf ;;
|
|
|
|
score-*-elf) fmt=elf ;;
|
|
|
|
sh*-*-linux*) fmt=elf em=linux
|
|
case ${cpu} in
|
|
sh*eb) endian=big ;;
|
|
*) endian=little ;;
|
|
esac ;;
|
|
sh*-*-netbsdelf*) fmt=elf em=nbsd
|
|
case ${cpu} in
|
|
sh*l*) endian=little ;;
|
|
*) endian=big ;;
|
|
esac ;;
|
|
sh-*-elf*) fmt=elf ;;
|
|
sh-*-uclinux* | sh[12]-*-uclinux*) fmt=elf em=uclinux ;;
|
|
sh-*-coff*) fmt=coff ;;
|
|
sh-*-nto*) fmt=elf ;;
|
|
sh-*-pe*) fmt=coff em=pe bfd_gas=yes endian=little ;;
|
|
sh-*-kaos*) fmt=elf ;;
|
|
shle*-*-kaos*) fmt=elf ;;
|
|
|
|
sparc-*-linux-*) fmt=elf em=linux ;;
|
|
sparc-*-solaris*) fmt=elf em=solaris ;;
|
|
sparc-*-*bsd*) fmt=elf em=nbsd ;;
|
|
|
|
spu-*-elf) fmt=elf ;;
|
|
|
|
tic30-*-*aout*) fmt=aout bfd_gas=yes ;;
|
|
tic30-*-*coff*) fmt=coff bfd_gas=yes ;;
|
|
tic4x-*-* | c4x-*-*) fmt=coff bfd_gas=yes ;;
|
|
tic54x-*-* | c54x*-*-*) fmt=coff bfd_gas=yes need_libm=yes;;
|
|
tic6x-*-*) fmt=elf ;;
|
|
|
|
tilepro-*-* | tilegx*-*-*) fmt=elf ;;
|
|
|
|
v850*-*-*) fmt=elf ;;
|
|
|
|
vax-*-netbsdelf*) fmt=elf em=nbsd ;;
|
|
vax-*-linux-*) fmt=elf em=linux ;;
|
|
|
|
visium-*-elf) fmt=elf ;;
|
|
|
|
wasm32-*-*) fmt=elf ;;
|
|
|
|
xstormy16-*-*) fmt=elf ;;
|
|
|
|
xgate-*-*) fmt=elf ;;
|
|
|
|
xtensa*-*-*) fmt=elf ;;
|
|
|
|
z80-*-coff) fmt=coff ;;
|
|
|
|
z8k-*-coff | z8k-*-sim) fmt=coff ;;
|
|
|
|
*-*-aout | *-*-scout) fmt=aout ;;
|
|
*-*-cloudabi*) fmt=elf ;;
|
|
*-*-dragonfly*) fmt=elf em=dragonfly ;;
|
|
*-*-freebsd* | *-*-kfreebsd*-gnu) fmt=elf em=freebsd ;;
|
|
*-*-generic) fmt=generic ;;
|
|
*-*-xray | *-*-hms) fmt=coff ;;
|
|
*-*-sim) fmt=coff ;;
|
|
*-*-elf | *-*-rtems* | *-*-sysv4*) fmt=elf ;;
|
|
*-*-solaris*) fmt=elf em=solaris ;;
|
|
*-*-aros*) fmt=elf em=linux ;;
|
|
*-*-vxworks* | *-*-windiss) fmt=elf em=vxworks ;;
|
|
esac
|
|
|
|
case ${cpu_type} in
|
|
aarch64 | alpha | arm | csky | i386 | ia64 | microblaze | mips | ns32k | or1k | or1knd | pdp11 | ppc | riscv | sparc | z80 | z8k)
|
|
bfd_gas=yes
|
|
;;
|
|
esac
|
|
case ${fmt} in
|
|
elf | ecoff | fdpicelf | multi | som)
|
|
bfd_gas=yes
|
|
;;
|
|
esac
|
|
|
|
if test $bfd_gas != yes; then
|
|
echo This target is no longer supported in gas
|
|
exit 1
|
|
fi
|
|
|
|
case ${cpu_type}-${fmt}-${os} in
|
|
i386-elf-linux*)
|
|
# Default to compress DWARF debug sections for Linux/x86.
|
|
if test ${ac_default_compressed_debug_sections} = unset; then
|
|
ac_default_compressed_debug_sections=yes
|
|
fi
|
|
;;
|
|
esac
|