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Add support for Xilinx MicroBlaze processor.

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* 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 17:38:04 +00:00
parent 9961db38d4
commit 7ba29e2a41
55 changed files with 7428 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
ld/scripttempl/elf32cr16.sc
View File

@@ -133,21 +133,21 @@ SECTIONS
The heap and stack are aligned to the bus width, as a speed optimization
for accessing data located there. */
.heap :
.heap (NOLOAD) :
{
. = ALIGN(4);
__HEAP_START = .;
. += 0x2000; __HEAP_MAX = .;
} > ram
.stack :
.stack (NOLOAD) :
{
. = ALIGN(4);
. += 0x6000;
__STACK_START = .;
} > ram
.istack :
.istack (NOLOAD) :
{
. = ALIGN(4);
. += 0x100;

24
ld/scripttempl/elf32cr16c.sc
View File

@@ -31,18 +31,18 @@ SECTIONS
there. The alignment to 4 bytes is compatible for both the CR16C
bus width (2 bytes) and CR16CPlus bus width (4 bytes). */
.text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
.rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
.ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
.dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
.data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
.bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
.nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
.ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
.nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
.heap : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
.stack : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
.istack : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
.text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
.rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
.ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
.dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
.data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
.bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
.nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
.ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
.nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
.heap (NOLOAD) : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
.stack (NOLOAD) : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
.istack (NOLOAD) : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
}
__DATA_IMAGE_START = LOADADDR(.data);

6
ld/scripttempl/elf32crx.sc
View File

@@ -135,21 +135,21 @@ SECTIONS
The heap and stack are aligned to the bus width, as a speed optimization
for accessing data located there. */
.heap :
.heap (NOLOAD) :
{
. = ALIGN(4);
__HEAP_START = .;
. += 0x2000; __HEAP_MAX = .;
} > ram
.stack :
.stack (NOLOAD) :
{
. = ALIGN(4);
. += 0x6000;
__STACK_START = .;
} > ram
.istack :
.istack (NOLOAD) :
{
. = ALIGN(4);
. += 0x100;

222
ld/scripttempl/elfmicroblaze.sc Normal file
View File

@@ -0,0 +1,222 @@
# Adapted from mips.sc
# These variables may be overridden by the emulation file. The
# defaults are appropriate for a DECstation running Ultrix.
test -z "$ENTRY" && ENTRY=_start
#test -z "$TEXT_START_ADDR" && TEXT_START_ADDR="0x0"
CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
${CONSTRUCTING+${CTOR_END}}
}"
DTOR=" .dtors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${DTOR_START}}
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
${CONSTRUCTING+${DTOR_END}}
}"
cat <<EOF
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
"${LITTLE_OUTPUT_FORMAT}")
/*${LIB_SEARCH_DIRS}*/
${RELOCATING+${LIB_SEARCH_DIRS}}
ENTRY(${ENTRY})
_TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50;
_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0;
_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x400;
SECTIONS
{
.vectors.reset 0x0 : { KEEP (*(.vectors.reset)) } = 0
.vectors.sw_exception 0x8 : { KEEP (*(.vectors.sw_exception)) } = 0
.vectors.interrupt 0x10 : { KEEP (*(.vectors.interrupt)) } = 0
.vectors.debug_sw_break 0x18 : { KEEP (*(.vectors.debug_sw_break)) } = 0
.vectors.hw_exception 0x20 : { KEEP (*(.vectors.hw_exception)) } = 0
${RELOCATING+. = _TEXT_START_ADDR;}
${RELOCATING+ _ftext = .;}
.text : {
${RELOCATING+*(.text)}
${RELOCATING+*(.text.*)}
${RELOCATING+*(.gnu.linkonce.t.*)}
}
${RELOCATING+ _etext = .;}
.init : { KEEP (*(.init)) } =0
.fini : { KEEP (*(.fini)) } =0
${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
${RELOCATING+PROVIDE (___CTOR_LIST__ = .);}
${RELOCATING+${CTOR}}
${RELOCATING+PROVIDE (__CTOR_END__ = .);}
${RELOCATING+PROVIDE (___CTOR_END__ = .);}
${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
${RELOCATING+PROVIDE (___DTOR_LIST__ = .);}
${RELOCATING+${DTOR}}
${RELOCATING+PROVIDE (__DTOR_END__ = .);}
${RELOCATING+PROVIDE (___DTOR_END__ = .);}
${RELOCATING+ . = ALIGN(4);}
${RELOCATING+ _frodata = . ;}
.rodata : {
${RELOCATING+*(.rodata)}
${RELOCATING+*(.rodata.*)}
${RELOCATING+*(.gnu.linkonce.r.*)}
${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */
}
${RELOCATING+ _erodata = .;}
/* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */
/* Note that .sdata2 and .sbss2 must be contiguous */
${RELOCATING+. = ALIGN(8);}
${RELOCATING+ _ssrw = .;}
.sdata2 : {
${RELOCATING+*(.sdata2)}
${RELOCATING+*(.sdata2.*)}
${RELOCATING+*(.gnu.linkonce.s2.*)}
}
${RELOCATING+. = ALIGN(4);}
.sbss2 : {
${RELOCATING+PROVIDE (__sbss2_start = .);}
${RELOCATING+*(.sbss2)}
${RELOCATING+*(.sbss2.*)}
${RELOCATING+*(.gnu.linkonce.sb2.*)}
${RELOCATING+PROVIDE (__sbss2_end = .);}
}
${RELOCATING+. = ALIGN(8);}
${RELOCATING+ _essrw = .;}
${RELOCATING+ _ssrw_size = _essrw - _ssrw;}
${RELOCATING+ PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 ));}
${RELOCATING+ . = ALIGN(4);}
${RELOCATING+ _fdata = .;}
.data : {
${RELOCATING+*(.data)}
${RELOCATING+*(.gnu.linkonce.d.*)}
${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */
}
${RELOCATING+ _edata = . ;}
/* Added to handle pic code */
.got : {
${RELOCATING+*(.got)}
}
.got1 : {
${RELOCATING+*(.got1)}
}
.got2 : {
${RELOCATING+*(.got2)}
}
/* Added by Sathya to handle C++ exceptions */
.eh_frame : {
${RELOCATING+*(.eh_frame)}
}
.jcr : {
${RELOCATING+*(.jcr)}
}
.gcc_except_table : {
${RELOCATING+*(.gcc_except_table)}
}
/* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */
/* Note that .sdata and .sbss must be contiguous */
${RELOCATING+. = ALIGN(8);}
${RELOCATING+ _ssro = .;}
.sdata : {
${RELOCATING+*(.sdata)}
${RELOCATING+*(.sdata.*)}
${RELOCATING+*(.gnu.linkonce.s.*)}
}
${RELOCATING+. = ALIGN(4);}
.sbss : {
${RELOCATING+PROVIDE (__sbss_start = .);}
${RELOCATING+*(.sbss)}
${RELOCATING+*(.sbss.*)}
${RELOCATING+*(.gnu.linkonce.sb.*)}
${RELOCATING+PROVIDE (__sbss_end = .);}
}
${RELOCATING+. = ALIGN(8);}
${RELOCATING+ _essro = .;}
${RELOCATING+ _ssro_size = _essro - _ssro;}
${RELOCATING+PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 ));}
${RELOCATING+ . = ALIGN(4);}
${RELOCATING+ _fbss = .;}
.bss : {
${RELOCATING+PROVIDE (__bss_start = .);}
${RELOCATING+*(.bss)}
${RELOCATING+*(.bss.*)}
${RELOCATING+*(.gnu.linkonce.b.*)}
${RELOCATING+*(COMMON)}
${RELOCATING+. = ALIGN(4);}
${RELOCATING+PROVIDE (__bss_end = .);}
}
${RELOCATING+ . = ALIGN(4);}
.heap : {
${RELOCATING+ _heap = .;}
${RELOCATING+ _heap_start = .;}
${RELOCATING+ . += _HEAP_SIZE;}
${RELOCATING+ _heap_end = .;}
}
${RELOCATING+ . = ALIGN(4);}
.stack : {
${RELOCATING+ _stack_end = .;}
${RELOCATING+ . += _STACK_SIZE;}
${RELOCATING+ . = ALIGN(8);}
${RELOCATING+ _stack = .;}
${RELOCATING+ _end = .;}
}
.tdata : {
${RELOCATING+*(.tdata)}
${RELOCATING+*(.tdata.*)}
${RELOCATING+*(.gnu.linkonce.td.*)}
}
.tbss : {
${RELOCATING+*(.tbss)}
${RELOCATING+*(.tbss.*)}
${RELOCATING+*(.gnu.linkonce.tb.*)}
}
}
EOF