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Add moxiebox support.

This commit is contained in:
Anthony Green 2014-07-27 14:37:10 +00:00
parent c999d29a7b
commit 0a0f33e501
6 changed files with 276 additions and 7 deletions
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7
libgloss/ChangeLog
View File

@ -1,3 +1,10 @@
2014-07-27 Anthony Green <green@moxielogic.com>
* moxie/Makefile.in (LD_SCRIPTS): Add moxiebox.ld
Conditionally build and install crt0.o.
* moxie/configure.in: Don't build crt0.o for moxiebox.
* moxie/moxiebox.ld: New file.
2014-07-16 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* arm/elf-aprofile-validation.specs (*link): Make text segment

16
libgloss/moxie/Makefile.in
View File

@ -58,9 +58,13 @@ OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
then echo ${objroot}/../binutils/objcopy ; \
else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
LD_SCRIPTS = moxie-elf-common.ld qemu.ld sim.ld
LD_SCRIPTS = moxie-elf-common.ld qemu.ld sim.ld moxiebox.ld
@BUILD_CRT0_TRUE@CRT0 = crt0.o
@BUILD_CRT0_TRUE@CRT0_INSTALL = install-crt0
@BUILD_CRT0_FALSE@CRT0 =
@BUILD_CRT0_FALSE@CRT0_INSTALL =
CRT0 = crt0.o
SIM_BSP = libsim.a
SIM_OBJS = fstat.o \
getpid.o \
@ -96,7 +100,7 @@ QEMU_OBJS = qemu-write.o \
#### Host specific Makefile fragment comes in here.
@host_makefile_frag@
all: $(CRT0) $(SIM_BSP) $(QEMU_BSP)
all: ${CRT0} $(SIM_BSP) $(QEMU_BSP)
$(SIM_BSP): $(SIM_OBJS)
$(AR) $(ARFLAGS) $@ $?
@ -124,14 +128,16 @@ sim-write.o: $(srcdir)/sim-write.S
stat.o: $(srcdir)/stat.c
qemu-write.o: $(srcdir)/qemu-write.c
install: $($(CPU)_INSTALL)
$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT0)
install: ${CRT0_INSTALL} $($(CPU)_INSTALL)
$(INSTALL_DATA) $(SIM_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(SIM_BSP)
$(INSTALL_DATA) $(QEMU_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(QEMU_BSP)
for x in ${LD_SCRIPTS}; do \
${INSTALL_DATA} ${srcdir}/$$x $(DESTDIR)${tooldir}/lib/$$x; \
done;
install-crt0:
${INSTALL_DATA} ${CRT0} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x
clean mostlyclean:
rm -f *.o *.a

15
libgloss/moxie/configure.in
View File

@ -33,6 +33,21 @@ AC_SUBST(LD)
AC_PROG_RANLIB
LIB_AM_PROG_AS
dnl Don't build crt0 for moxiebox, which provides crt0 for us.
case "${target}" in
moxie-*-moxiebox*)
BUILD_CRT0_TRUE='#'
BUILD_CRT0_FALSE=
;;
*)
BUILD_CRT0_TRUE=
BUILD_CRT0_FALSE='#'
;;
esac
AC_SUBST(BUILD_CRT0_TRUE)
AC_SUBST(BUILD_CRT0_FALSE)
host_makefile_frag=${srcdir}/../config/default.mh
dnl We have to assign the same value to other variables because autoconf

232
libgloss/moxie/moxiebox.ld Normal file
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@ -0,0 +1,232 @@
/*
* Default linker script for moxiebox.
*
* Copyright (C) 2014 Anthony Green
*
* The authors hereby grant permission to use, copy, modify,
* distribute, and license this software and its documentation for any
* purpose, provided that existing copyright notices are retained in
* all copies and that this notice is included verbatim in any
* distributions. No written agreement, license, or royalty fee is
* required for any of the authorized uses. Modifications to this
* software may be copyrighted by their authors and need not follow
* the licensing terms described here, provided that the new terms are
* clearly indicated on the first page of each file where they apply.
*/
OUTPUT_FORMAT("moxiebox")
OUTPUT_ARCH(moxie)
ENTRY(_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = 0x00001000;
.interp : { *(.interp) }
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.gnu.version_r : { *(.gnu.version_r) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.text :
{
*(.rel.text)
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}
.rela.text :
{
*(.rela.text)
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}
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.rodata :
{
*(.rel.rodata)
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}
.rela.rodata :
{
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}
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}
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}
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}
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.plt : { *(.plt) }
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{
*(.text)
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/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
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*(.glue_7t) *(.glue_7)
} =0
.init :
{
KEEP (*(.init))
} =0
_etext = .;
PROVIDE (etext = .);
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{
KEEP (*(.fini))
} =0
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) }
.rodata1 : { *(.rodata1) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = ALIGN(256) + (. & (256 - 1));
.data :
{
*(.data)
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SORT(CONSTRUCTORS)
}
.data1 : { *(.data1) }
.eh_frame : { KEEP (*(.eh_frame)) }
.gcc_except_table : { *(.gcc_except_table) }
.ctors :
{
/* 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))
}
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{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
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can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
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{
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}
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
__bss_start__ = .;
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}
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_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(32 / 8);
}
. = ALIGN(32 / 8);
_end = .;
_bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
PROVIDE (end = .);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
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.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) }
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/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/* These must appear regardless of . */
}

4
newlib/ChangeLog
View File

@ -1,3 +1,7 @@
2014-07-27 Anthony Green <green@moxielogic.com>
* configure.host: Add moxie-*-moxiebox target.
2014-07-22 Joel Sherrill <joel.sherrill@oarcorp.com>
* libc/include/sys/time.h: Add prototype for adjtime() and

7
newlib/configure.host
View File

@ -731,10 +731,15 @@ case "${host}" in
mn10?00-*-*)
syscall_dir=syscalls
;;
moxie-*-*)
moxie-*-elf* | moxie-*-rtems*)
syscall_dir=syscalls
default_newlib_io_long_long="yes"
;;
moxie-*-moxiebox)
syscall_dir=syscalls
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -Os -DPREFER_SIZE_OVER_SPEED -DSMALL_MEMORY"
;;
nios2*)
syscall_dir=
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"