d78a82f939
* 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.
150 lines
4.5 KiB
Plaintext
150 lines
4.5 KiB
Plaintext
/*
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* Simulator Link script for Lattice Mico32.
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* Contributed by Jon Beniston <jon@beniston.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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OUTPUT_FORMAT("elf32-lm32")
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ENTRY(_start)
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INPUT(crti.o crtbegin.o crt0.o crtend.o crtn.o)
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GROUP(-lgloss -lnosys -lc -lgcc)
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MEMORY
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{
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ram : ORIGIN = 0x00000000, LENGTH = 0x100000
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}
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SECTIONS
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{
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.boot : { *(.boot) } > ram
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/* Code */
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.text :
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{
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. = ALIGN(4);
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_ftext = .;
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_ftext_rom = LOADADDR(.text);
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*(.text .stub .text.* .gnu.linkonce.t.*)
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*(.gnu.warning)
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KEEP (*(.init))
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KEEP (*(.fini))
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/* Constructors and destructors */
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KEEP (*crtbegin*.o(.ctors))
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KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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KEEP (*crtbegin*.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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KEEP (*(.jcr))
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_etext = .;
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} > ram =0
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/* Exception handlers */
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.eh_frame_hdr : { *(.eh_frame_hdr) } > ram
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.eh_frame : { KEEP (*(.eh_frame)) } > ram
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.gcc_except_table : { *(.gcc_except_table) *(.gcc_except_table.*) } > ram
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/* Read-only data */
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.rodata :
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{
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. = ALIGN(4);
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_frodata = .;
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_frodata_rom = LOADADDR(.rodata);
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*(.rodata .rodata.* .gnu.linkonce.r.*)
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*(.rodata1)
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_erodata = .;
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} > ram
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/* Data */
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.data :
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{
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. = ALIGN(4);
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_fdata = .;
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_fdata_rom = LOADADDR(.data);
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*(.data .data.* .gnu.linkonce.d.*)
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*(.data1)
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SORT(CONSTRUCTORS)
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_gp = ALIGN(16) + 0x7ff0;
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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_edata = .;
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} > ram
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/* BSS */
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.bss :
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{
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. = ALIGN(4);
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_fbss = .;
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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*(.scommon)
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .;
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_end = .;
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PROVIDE (end = .);
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} > ram
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/* First location in stack is highest address in RAM */
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PROVIDE(_fstack = ORIGIN(ram) + LENGTH(ram) - 4);
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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