From 91ff02ccb46ff2c046b6086f8032b8ab60c47311 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 6 Aug 2009 17:38:03 +0000 Subject: Add support for Xilinx MicroBlaze processor. * bfd/Makefile.am: Add cpu-microblaze.{lo,c}, elf32-microblaze.{lo,c}. * bfd/Makefile.in: Same. * bfd/archures.c: Add bfd_arch_microblaze. * bfd/bfd-in2.h: Regenerate. * bfd/config.bfd: Add microblaze target. * bfd/configure: Add bfd_elf32_microblaze_vec target. * bfd/configure.in: Same. * bfd/cpu-microblaze.c: New. * bfd/elf32-microblaze.c: New. * bfd/libbfd-in.h: Add prototype _bfd_dwarf2_fixup_section_debug_loc(). * bfd/libbfd.h: Regenerate. * bfd/reloc.c: Add MICROBLAZE relocations. * bfd/section.c: Add struct relax_table and relax_count to section. * bfd/targets.c: Add bfd_elf32_microblaze_vec. * binutils/MAINTAINERS: Add self as maintainer. * binutils/readelf.c: Include elf/microblaze.h, add EM_MICROBLAZE & EM_MICROBLAZE_OLD to guess_is_rela(), dump_relocations(), get_machine_name(). * config.sub: Add microblaze target. * configure: Same. * configure.ac: Same. * gas/Makefile.am: add microblaze to CPU_TYPES, config/tc-microblaze.c to TARGET_CPU_CFILES, config/tc-microblaze.h to TARGET_CPU_HFILES, add DEP_microblaze_elf target. * gas/Makefile.in: Same. * gas/config/tc-microblaze.c: Add MicroBlaze assembler. * gas/config/tc-microblaze.h: Add header for tc-microblaze.c. * gas/configure: Add microblaze target. * gas/configure.in: Same. * gas/configure.tgt: Same. * gas/doc/Makefile.am: Add c-microblaze.texi to CPU_DOCS. * gas/doc/Makefile.in: Same. * gas/doc/all.texi: Set MICROBLAZE. * gas/doc/as.texinfo: Add MicroBlaze doc links. * gas/doc/c-microblaze.texi: New MicroBlaze docs. * include/dis-asm.h: Decl print_insn_microblaze(). * include/elf/common.h: Define EM_MICROBLAZE & EM_MICROBLAZE_OLD. * include/elf/microblaze.h: New reloc definitions. * ld/Makefile.am: Add eelf32mb_linux.o, eelf32microblaze.o to ALL_EMULATIONS, targets. * ld/Makefile.in: Same. * ld/configure.tgt: Add microblaze*-linux*, microblaze* targets. * ld/emulparams/elf32mb_linux.sh: New. * ld/emulparams/elf32microblaze.sh. New. * ld/scripttempl/elfmicroblaze.sc: New. * opcodes/Makefile.am: Add microblaze-opc.h to HFILES, microblaze-dis.c to CFILES, microblaze-dis.lo to ALL_MACHINES, targets. * opcodes/Makefile.in: Same. * opcodes/configure: Add bfd_microblaze_arch target. * opcodes/configure.in: Same. * opcodes/disassemble.c: Define ARCH_microblaze, return print_insn_microblaze(). * opcodes/microblaze-dis.c: New MicroBlaze disassembler. * opcodes/microblaze-opc.h: New MicroBlaze opcode definitions. * opcodes/microblaze-opcm.h: New MicroBlaze opcode types. --- include/elf/ChangeLog | 5 ++++ include/elf/common.h | 4 +++ include/elf/microblaze.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 72 insertions(+) create mode 100644 include/elf/microblaze.h (limited to 'include/elf') diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 113403d5c..8b045d4d2 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,8 @@ +2009-08-06 Michael Eager + + * elf/common.h: Define EM_MICROBLAZE & EM_MICROBLAZE_OLD. + * elf/microblaze.h: New reloc definitions. + 2009-07-30 Alan Modra * ppc64.h: Add R_PPC64_JMP_IREL, R_PPC64_REL16, R_PPC64_REL16_LO, diff --git a/include/elf/common.h b/include/elf/common.h index 33ec16a02..a229a1250 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -241,6 +241,8 @@ #define EM_L1OM 180 /* Intel L1OM */ #define EM_INTEL181 181 /* Reserved by Intel */ #define EM_INTEL182 182 /* Reserved by Intel */ +#define EM_MICROBLAZE 183 /* Xilinx MicroBlaze */ + /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision @@ -344,6 +346,8 @@ /* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI. */ #define EM_SCORE_OLD 95 +#define EM_MICROBLAZE_OLD 0xbaab /* Old MicroBlaze */ + /* See the above comment before you add a new EM_* value here. */ /* Values for e_version. */ diff --git a/include/elf/microblaze.h b/include/elf/microblaze.h new file mode 100644 index 000000000..5999cb001 --- /dev/null +++ b/include/elf/microblaze.h @@ -0,0 +1,63 @@ +/* Xilinx MicroBlaze support for BFD. + + Copyright 2009 Free Software Foundation, Inc. + + This file is part of BFD, the Binary File Descriptor library. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + + +/* This file holds definitions specific to the MICROBLAZE ELF ABI. */ +#ifndef _ELF_MICROBLAZE_H +#define _ELF_MICROBLAZE_H + +#include "elf/reloc-macros.h" + +/* Relocations. */ +START_RELOC_NUMBERS (elf_microblaze_reloc_type) + RELOC_NUMBER (R_MICROBLAZE_NONE, 0) + RELOC_NUMBER (R_MICROBLAZE_32, 1) + RELOC_NUMBER (R_MICROBLAZE_32_PCREL, 2) + RELOC_NUMBER (R_MICROBLAZE_64_PCREL, 3) + RELOC_NUMBER (R_MICROBLAZE_32_PCREL_LO, 4) + RELOC_NUMBER (R_MICROBLAZE_64, 5) + RELOC_NUMBER (R_MICROBLAZE_32_LO, 6) + RELOC_NUMBER (R_MICROBLAZE_SRO32, 7) + RELOC_NUMBER (R_MICROBLAZE_SRW32, 8) + RELOC_NUMBER (R_MICROBLAZE_64_NONE, 9) + RELOC_NUMBER (R_MICROBLAZE_32_SYM_OP_SYM, 10) + RELOC_NUMBER (R_MICROBLAZE_GNU_VTINHERIT, 11) + RELOC_NUMBER (R_MICROBLAZE_GNU_VTENTRY, 12) + RELOC_NUMBER (R_MICROBLAZE_GOTPC_64, 13) /* PC-relative GOT offset. */ + RELOC_NUMBER (R_MICROBLAZE_GOT_64, 14) /* GOT entry offset. */ + RELOC_NUMBER (R_MICROBLAZE_PLT_64, 15) /* PLT offset (PC-relative). */ + RELOC_NUMBER (R_MICROBLAZE_REL, 16) /* Adjust by program base. */ + RELOC_NUMBER (R_MICROBLAZE_JUMP_SLOT, 17) /* Create PLT entry. */ + RELOC_NUMBER (R_MICROBLAZE_GLOB_DAT, 18) /* Create GOT entry. */ + RELOC_NUMBER (R_MICROBLAZE_GOTOFF_64, 19) /* Offset relative to GOT. */ + RELOC_NUMBER (R_MICROBLAZE_GOTOFF_32, 20) /* Offset relative to GOT. */ + RELOC_NUMBER (R_MICROBLAZE_COPY, 21) /* Runtime copy. */ + +END_RELOC_NUMBERS (R_MICROBLAZE_max) + +/* Global base address names. */ +#define RO_SDA_ANCHOR_NAME "_SDA2_BASE_" +#define RW_SDA_ANCHOR_NAME "_SDA_BASE_" + +/* Section Attributes. */ +#define SHF_MICROBLAZE_NOREAD 0x80000000 + +#endif /* _ELF_MICROBLAZE_H */ -- cgit v1.2.3