Add support for the C_SKY series of processors.
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.
2018-07-30 19:24:14 +08:00
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/* C-SKY ELF support for BFD.
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2022-01-02 06:30:17 +08:00
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Copyright (C) 1998-2022 Free Software Foundation, Inc.
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Add support for the C_SKY series of processors.
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.
2018-07-30 19:24:14 +08:00
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Contributed by C-SKY Microsystems and Mentor Graphics.
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This file is part of BFD, the Binary File Descriptor library.
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This program 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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_CSKY_H
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#define _ELF_CSKY_H
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#include "elf/reloc-macros.h"
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/* Values of relocation types according to the ABI doc.
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The order should be consistent with csky bfd reloc type
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table in bfd-in2.h. */
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START_RELOC_NUMBERS (elf_csky_reloc_type)
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RELOC_NUMBER (R_CKCORE_NONE,0)
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RELOC_NUMBER (R_CKCORE_ADDR32,1)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM8BY4,2)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM11BY2,3)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM4BY2,4)
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RELOC_NUMBER (R_CKCORE_PCREL32,5)
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RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM11BY2,6)
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RELOC_NUMBER (R_CKCORE_GNU_VTINHERIT,7)
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RELOC_NUMBER (R_CKCORE_GNU_VTENTRY,8)
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RELOC_NUMBER (R_CKCORE_RELATIVE,9)
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RELOC_NUMBER (R_CKCORE_COPY,10)
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RELOC_NUMBER (R_CKCORE_GLOB_DAT,11)
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RELOC_NUMBER (R_CKCORE_JUMP_SLOT,12)
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RELOC_NUMBER (R_CKCORE_GOTOFF,13)
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RELOC_NUMBER (R_CKCORE_GOTPC,14)
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RELOC_NUMBER (R_CKCORE_GOT32,15)
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RELOC_NUMBER (R_CKCORE_PLT32,16)
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RELOC_NUMBER (R_CKCORE_ADDRGOT,17)
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RELOC_NUMBER (R_CKCORE_ADDRPLT,18)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM26BY2,19)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY2,20)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM16BY4,21)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY2,22)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM10BY4,23)
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RELOC_NUMBER (R_CKCORE_ADDR_HI16,24)
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RELOC_NUMBER (R_CKCORE_ADDR_LO16,25)
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RELOC_NUMBER (R_CKCORE_GOTPC_HI16,26)
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RELOC_NUMBER (R_CKCORE_GOTPC_LO16,27)
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RELOC_NUMBER (R_CKCORE_GOTOFF_HI16,28)
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RELOC_NUMBER (R_CKCORE_GOTOFF_LO16,29)
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RELOC_NUMBER (R_CKCORE_GOT12,30)
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RELOC_NUMBER (R_CKCORE_GOT_HI16,31)
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RELOC_NUMBER (R_CKCORE_GOT_LO16,32)
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RELOC_NUMBER (R_CKCORE_PLT12,33)
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RELOC_NUMBER (R_CKCORE_PLT_HI16,34)
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RELOC_NUMBER (R_CKCORE_PLT_LO16,35)
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RELOC_NUMBER (R_CKCORE_ADDRGOT_HI16,36)
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RELOC_NUMBER (R_CKCORE_ADDRGOT_LO16,37)
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RELOC_NUMBER (R_CKCORE_ADDRPLT_HI16,38)
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RELOC_NUMBER (R_CKCORE_ADDRPLT_LO16,39)
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RELOC_NUMBER (R_CKCORE_PCREL_JSR_IMM26BY2,40)
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RELOC_NUMBER (R_CKCORE_TOFFSET_LO16, 41)
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RELOC_NUMBER (R_CKCORE_DOFFSET_LO16, 42)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM18BY2, 43)
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RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18, 44)
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RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY2, 45)
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RELOC_NUMBER (R_CKCORE_DOFFSET_IMM18BY4, 46)
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RELOC_NUMBER (R_CKCORE_GOTOFF_IMM18, 47)
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RELOC_NUMBER (R_CKCORE_GOT_IMM18BY4, 48)
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RELOC_NUMBER (R_CKCORE_PLT_IMM18BY4, 49)
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RELOC_NUMBER (R_CKCORE_PCREL_IMM7BY4, 50)
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RELOC_NUMBER (R_CKCORE_TLS_LE32, 51)
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RELOC_NUMBER (R_CKCORE_TLS_IE32, 52)
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RELOC_NUMBER (R_CKCORE_TLS_GD32, 53)
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RELOC_NUMBER (R_CKCORE_TLS_LDM32, 54)
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RELOC_NUMBER (R_CKCORE_TLS_LDO32, 55)
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RELOC_NUMBER (R_CKCORE_TLS_DTPMOD32, 56)
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RELOC_NUMBER (R_CKCORE_TLS_DTPOFF32, 57)
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RELOC_NUMBER (R_CKCORE_TLS_TPOFF32, 58)
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RELOC_NUMBER (R_CKCORE_PCREL_FLRW_IMM8BY4, 59)
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RELOC_NUMBER (R_CKCORE_NOJSRI, 60)
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RELOC_NUMBER (R_CKCORE_CALLGRAPH, 61)
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RELOC_NUMBER (R_CKCORE_IRELATIVE, 62)
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RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM4BY4, 63)
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RELOC_NUMBER (R_CKCORE_PCREL_BLOOP_IMM12BY4, 64)
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END_RELOC_NUMBERS (R_CKCORE_MAX)
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2020-08-26 11:21:14 +08:00
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/* Additional section types. */
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#define SHT_CSKY_ATTRIBUTES 0x70000001 /* Section holds attributes. */
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/* Object attribute tags. */
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enum
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{
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/* 0-3 are generic. */
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/* Arch name for this object file. */
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Tag_CSKY_ARCH_NAME = 4,
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Tag_CSKY_CPU_NAME = 5,
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/* ISA flags for this object file. */
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Tag_CSKY_ISA_FLAGS,
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Tag_CSKY_ISA_EXT_FLAGS,
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/* CSKY DSP version used by this object file. */
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Tag_CSKY_DSP_VERSION,
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/* CSKY VDSP version used by this object file. */
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Tag_CSKY_VDSP_VERSION,
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/* CSKY FPU version used by this object file. */
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Tag_CSKY_FPU_VERSION = 0x10,
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/* FPU ABI. params: Soft GR/Hard GR/Hard FR. */
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Tag_CSKY_FPU_ABI,
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/* Rounding Support. */
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Tag_CSKY_FPU_ROUNDING,
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/* Denormal Support. */
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Tag_CSKY_FPU_DENORMAL,
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/* Exeception Support. */
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Tag_CSKY_FPU_Exception,
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/* Number Module Support("IEEE 754"). */
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Tag_CSKY_FPU_NUMBER_MODULE,
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/* Half/Single/Double. */
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Tag_CSKY_FPU_HARDFP,
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Tag_CSKY_MAX,
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};
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/* Object attribute values. */
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enum
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{
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/* Values defined for Tag_CSKY_DSP_VERSION. */
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VAL_CSKY_DSP_VERSION_EXTENSION = 1, /* hi-lo DSP extension. */
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VAL_CSKY_DSP_VERSION_2 = 2, /* CK803s EDSP. */
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};
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enum
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{
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/* Values defined for Tag_CSKY_VDSP_VERSION. */
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VAL_CSKY_VDSP_VERSION_1 = 1, /* VDSP version 1. */
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VAL_CSKY_VDSP_VERSION_2 /* VDSP version 1. */
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};
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enum
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{
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/* Values defined for Tag_CSKY_FPU_VERSION. */
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VAL_CSKY_FPU_VERSION_1 = 1, /* ABIV1 FPU. */
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VAL_CSKY_FPU_VERSION_2, /* ABIV2 FPU. */
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};
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enum
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{
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VAL_CSKY_FPU_ABI_SOFT = 1,
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VAL_CSKY_FPU_ABI_SOFTFP,
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VAL_CSKY_FPU_ABI_HARD,
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};
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enum
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{
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VAL_CSKY_FPU_HARDFP_HALF = 1,
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VAL_CSKY_FPU_HARDFP_SINGLE = 2,
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VAL_CSKY_FPU_HARDFP_DOUBLE = 4,
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};
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|
|
Add support for the C_SKY series of processors.
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.
2018-07-30 19:24:14 +08:00
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#endif /* _ELF_CSKY_H */
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