2008-12-17 Jon Beniston <jon@beniston.com>
* README: Add description of lm32 directory.
* configure.in: Add lm32 target.
* configure: Regenerated.
* libnosys/configure.in: Add lm32 target.
* libnosys/configure: Regenerated.
* lm32: New directory.
* lm32/aclocal.m4: New file.
* lm32/Makefile.in: New file.
* lm32/configure.in: New file.
* lm32/configure: New file.
* lm32/crt0.S: New file.
* lm32/isatty.c: New file.
* lm32/scall.S: New file.
* lm32/sim.ld: New file.
This commit is contained in:
Jeff Johnston
149
libgloss/lm32/sim.ld
Normal file
149
libgloss/lm32/sim.ld
Normal file
@@ -0,0 +1,149 @@
|
||||
/*
|
||||
* Simulator Link script for Lattice Mico32.
|
||||
* Contributed by Jon Beniston <jon@beniston.com>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
OUTPUT_FORMAT("elf32-lm32")
|
||||
ENTRY(_start)
|
||||
INPUT(crti.o crtbegin.o crt0.o crtend.o crtn.o)
|
||||
GROUP(-lgloss -lnosys -lc -lgcc)
|
||||
|
||||
MEMORY
|
||||
{
|
||||
ram : ORIGIN = 0x00000000, LENGTH = 0x100000
|
||||
}
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
|
||||
.boot : { *(.boot) } > ram
|
||||
|
||||
/* Code */
|
||||
.text :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_ftext = .;
|
||||
_ftext_rom = LOADADDR(.text);
|
||||
*(.text .stub .text.* .gnu.linkonce.t.*)
|
||||
*(.gnu.warning)
|
||||
KEEP (*(.init))
|
||||
KEEP (*(.fini))
|
||||
/* Constructors and destructors */
|
||||
KEEP (*crtbegin*.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*(.ctors))
|
||||
KEEP (*crtbegin*.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*(.dtors))
|
||||
KEEP (*(.jcr))
|
||||
_etext = .;
|
||||
} > ram =0
|
||||
|
||||
/* Exception handlers */
|
||||
.eh_frame_hdr : { *(.eh_frame_hdr) } > ram
|
||||
.eh_frame : { KEEP (*(.eh_frame)) } > ram
|
||||
.gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } > ram
|
||||
|
||||
/* Read-only data */
|
||||
.rodata :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_frodata = .;
|
||||
_frodata_rom = LOADADDR(.rodata);
|
||||
*(.rodata .rodata.* .gnu.linkonce.r.*)
|
||||
*(.rodata1)
|
||||
_erodata = .;
|
||||
} > ram
|
||||
|
||||
/* Data */
|
||||
.data :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_fdata = .;
|
||||
_fdata_rom = LOADADDR(.data);
|
||||
*(.data .data.* .gnu.linkonce.d.*)
|
||||
*(.data1)
|
||||
SORT(CONSTRUCTORS)
|
||||
_gp = ALIGN(16) + 0x7ff0;
|
||||
*(.sdata .sdata.* .gnu.linkonce.s.*)
|
||||
_edata = .;
|
||||
} > ram
|
||||
|
||||
/* BSS */
|
||||
.bss :
|
||||
{
|
||||
. = ALIGN(4);
|
||||
_fbss = .;
|
||||
*(.dynsbss)
|
||||
*(.sbss .sbss.* .gnu.linkonce.sb.*)
|
||||
*(.scommon)
|
||||
*(.dynbss)
|
||||
*(.bss .bss.* .gnu.linkonce.b.*)
|
||||
*(COMMON)
|
||||
. = ALIGN(4);
|
||||
_ebss = .;
|
||||
_end = .;
|
||||
PROVIDE (end = .);
|
||||
} > ram
|
||||
|
||||
/* First location in stack is highest address in RAM */
|
||||
PROVIDE(_fstack = ORIGIN(ram) + LENGTH(ram) - 4);
|
||||
|
||||
/* Stabs debugging sections. */
|
||||
.stab 0 : { *(.stab) }
|
||||
.stabstr 0 : { *(.stabstr) }
|
||||
.stab.excl 0 : { *(.stab.excl) }
|
||||
.stab.exclstr 0 : { *(.stab.exclstr) }
|
||||
.stab.index 0 : { *(.stab.index) }
|
||||
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||
.comment 0 : { *(.comment) }
|
||||
|
||||
/* DWARF debug sections.
|
||||
Symbols in the DWARF debugging sections are relative to the beginning
|
||||
of the section so we begin them at 0. */
|
||||
/* DWARF 1 */
|
||||
.debug 0 : { *(.debug) }
|
||||
.line 0 : { *(.line) }
|
||||
/* GNU DWARF 1 extensions */
|
||||
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||
/* DWARF 1.1 and DWARF 2 */
|
||||
.debug_aranges 0 : { *(.debug_aranges) }
|
||||
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||
/* DWARF 2 */
|
||||
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
|
||||
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||
.debug_line 0 : { *(.debug_line) }
|
||||
.debug_frame 0 : { *(.debug_frame) }
|
||||
.debug_str 0 : { *(.debug_str) }
|
||||
.debug_loc 0 : { *(.debug_loc) }
|
||||
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||
/* SGI/MIPS DWARF 2 extensions */
|
||||
.debug_weaknames 0 : { *(.debug_weaknames) }
|
||||
.debug_funcnames 0 : { *(.debug_funcnames) }
|
||||
.debug_typenames 0 : { *(.debug_typenames) }
|
||||
.debug_varnames 0 : { *(.debug_varnames) }
|
||||
}
|
||||
Reference in New Issue
Block a user