JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add support for Xilinx MicroBlaze processor.

Browse Source 
* 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.
This commit is contained in:
Nick Clifton
2009-08-06 17:38:03 +00:00
parent 19753e1dbf
commit 91ff02ccb4
5 changed files with 77 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/elf/ChangeLog
View File

@@ -1,3 +1,8 @@
2009-08-06 Michael Eager <eager@eagercon.com>
* elf/common.h: Define EM_MICROBLAZE & EM_MICROBLAZE_OLD.
* elf/microblaze.h: New reloc definitions.
2009-07-30 Alan Modra <amodra@bigpond.net.au>
* ppc64.h: Add R_PPC64_JMP_IREL, R_PPC64_REL16, R_PPC64_REL16_LO,

4
include/elf/common.h
View File

@@ -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. */

63
include/elf/microblaze.h Normal file
View File

@@ -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 */