diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/configure.host newlib-1.9.0/newlib/configure.host --- original/newlib-1.9.0/newlib/configure.host Thu Dec 14 16:25:40 2000 +++ newlib-1.9.0/newlib/configure.host Thu Oct 25 22:04:20 2001 @@ -218,6 +218,9 @@ arc-*-*) sys_dir=arc ;; + arm-agb-elf) + sys_dir=agb + ;; arm-*-*) sys_dir=arm ;; @@ -356,6 +359,9 @@ syscall_dir=syscalls newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY" # Don't use the debugging protocols just yet. + ;; + arm-agb-elf) + newlib_cflags="${newlib_cflags}" ;; arm-*-*) syscall_dir=syscalls diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/Makefile.am newlib-1.9.0/newlib/libc/sys/agb/Makefile.am --- original/newlib-1.9.0/newlib/libc/sys/agb/Makefile.am Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/Makefile.am Thu Oct 25 22:04:20 2001 @@ -0,0 +1,14 @@ +## Process this file with automake to generate Makefile.in + +AUTOMAKE_OPTIONS = cygnus + +INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) + +noinst_LIBRARIES = lib.a + +lib_a_SOURCES = syscalls.c libcfunc.c trap.S setjmp.S + +all: crt0.o + +ACLOCAL_AMFLAGS = -I //.. +CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/Makefile.in newlib-1.9.0/newlib/libc/sys/agb/Makefile.in --- original/newlib-1.9.0/newlib/libc/sys/agb/Makefile.in Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/Makefile.in Thu Oct 25 22:04:20 2001 @@ -0,0 +1,320 @@ +# Makefile.in generated automatically by automake 1.4 from Makefile.am + +# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + + +SHELL = @SHELL@ + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +bindir = @bindir@ +sbindir = @sbindir@ +libexecdir = @libexecdir@ +datadir = @datadir@ +sysconfdir = @sysconfdir@ +sharedstatedir = @sharedstatedir@ +localstatedir = @localstatedir@ +libdir = @libdir@ +infodir = @infodir@ +mandir = @mandir@ +includedir = @includedir@ +oldincludedir = /usr/include + +DESTDIR = + +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ + +top_builddir = . + +ACLOCAL = @ACLOCAL@ +AUTOCONF = @AUTOCONF@ +AUTOMAKE = @AUTOMAKE@ +AUTOHEADER = @AUTOHEADER@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS) +INSTALL_DATA = @INSTALL_DATA@ +INSTALL_SCRIPT = @INSTALL_SCRIPT@ +transform = @program_transform_name@ + +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +host_alias = @host_alias@ +host_triplet = @host@ +AR = @AR@ +AS = @AS@ +CC = @CC@ +CPP = @CPP@ +EXEEXT = @EXEEXT@ +MAINT = @MAINT@ +MAKEINFO = @MAKEINFO@ +NEWLIB_CFLAGS = @NEWLIB_CFLAGS@ +PACKAGE = @PACKAGE@ +RANLIB = @RANLIB@ +VERSION = @VERSION@ +machine_dir = @machine_dir@ +newlib_basedir = @newlib_basedir@ +sys_dir = @sys_dir@ + +AUTOMAKE_OPTIONS = cygnus + +INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) + +noinst_LIBRARIES = lib.a + +lib_a_SOURCES = syscalls.c libcfunc.c trap.S setjmp.S + +ACLOCAL_AMFLAGS = -I //.. +CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +mkinstalldirs = $(SHELL) $(top_srcdir)/////mkinstalldirs +CONFIG_CLEAN_FILES = +LIBRARIES = $(noinst_LIBRARIES) + + +DEFS = @DEFS@ -I. -I$(srcdir) +CPPFLAGS = @CPPFLAGS@ +LDFLAGS = @LDFLAGS@ +LIBS = @LIBS@ +lib_a_LIBADD = +lib_a_OBJECTS = syscalls.o libcfunc.o trap.o setjmp.o +CFLAGS = @CFLAGS@ +COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ +DIST_COMMON = Makefile.am Makefile.in aclocal.m4 configure configure.in + + +DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST) + +TAR = tar +GZIP_ENV = --best +SOURCES = $(lib_a_SOURCES) +OBJECTS = $(lib_a_OBJECTS) + +all: all-redirect +.SUFFIXES: +.SUFFIXES: .S .c .o .s +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) + cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile + +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + cd $(top_builddir) \ + && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status + +$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ configure.in \ + ///acinclude.m4 ///aclocal.m4 + cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS) + +config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + $(SHELL) ./config.status --recheck +$(srcdir)/configure: @MAINTAINER_MODE_TRUE@$(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES) + cd $(srcdir) && $(AUTOCONF) + +mostlyclean-noinstLIBRARIES: + +clean-noinstLIBRARIES: + -test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES) + +distclean-noinstLIBRARIES: + +maintainer-clean-noinstLIBRARIES: + +.c.o: + $(COMPILE) -c $< + +.s.o: + $(COMPILE) -c $< + +.S.o: + $(COMPILE) -c $< + +mostlyclean-compile: + -rm -f *.o core *.core + +clean-compile: + +distclean-compile: + -rm -f *.tab.c + +maintainer-clean-compile: + +lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES) + -rm -f lib.a + $(AR) cru lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD) + $(RANLIB) lib.a + +tags: TAGS + +ID: $(HEADERS) $(SOURCES) $(LISP) + list='$(SOURCES) $(HEADERS)'; 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Then +# it guarantees that the distribution is self-contained by making another +# tarfile. +distcheck: dist + -rm -rf $(distdir) + GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz + mkdir $(distdir)/=build + mkdir $(distdir)/=inst + dc_install_base=`cd $(distdir)/=inst && pwd`; \ + cd $(distdir)/=build \ + && /configure --srcdir=.. --prefix=$$dc_install_base \ + && $(MAKE) $(AM_MAKEFLAGS) \ + && $(MAKE) $(AM_MAKEFLAGS) dvi \ + && $(MAKE) $(AM_MAKEFLAGS) check \ + && $(MAKE) $(AM_MAKEFLAGS) install \ + && $(MAKE) $(AM_MAKEFLAGS) installcheck \ + && $(MAKE) $(AM_MAKEFLAGS) dist + -rm -rf $(distdir) + @banner="$(distdir).tar.gz is ready for distribution"; \ + dashes=`echo "$$banner" | sed s/./=/g`; \ + echo "$$dashes"; \ + echo "$$banner"; \ + echo "$$dashes" +dist: distdir + -chmod -R a+r $(distdir) + GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir) + -rm -rf $(distdir) +dist-all: distdir + -chmod -R a+r $(distdir) + GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir) + -rm -rf $(distdir) +distdir: $(DISTFILES) + -rm -rf $(distdir) + mkdir $(distdir) + -chmod 777 $(distdir) + @for file in $(DISTFILES); do \ + if test -f $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + cp -pr $$/$$file $(distdir)/$$file; \ + else \ + test -f $(distdir)/$$file \ + || ln $$d/$$file $(distdir)/$$file 2> /dev/null \ + || cp -p $$d/$$file $(distdir)/$$file || :; \ + fi; \ + done +info-am: +info: info-am +dvi-am: +dvi: dvi-am +check-am: +check: check-am +installcheck-am: +installcheck: installcheck-am +install-info-am: +install-info: install-info-am +install-exec-am: +install-exec: install-exec-am + +install-data-am: +install-data: install-data-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am +install: install-am +uninstall-am: +uninstall: uninstall-am +all-am: Makefile $(LIBRARIES) +all-redirect: all-am +install-strip: + $(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install +installdirs: + + +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -rm -f Makefile $(CONFIG_CLEAN_FILES) + -rm -f config.cache config.log stamp-h stamp-h[0-9]* + +maintainer-clean-generic: +mostlyclean-am: mostlyclean-noinstLIBRARIES mostlyclean-compile \ + mostlyclean-tags mostlyclean-generic + +mostlyclean: mostlyclean-am + +clean-am: clean-noinstLIBRARIES clean-compile clean-tags clean-generic \ + mostlyclean-am + +clean: clean-am + +distclean-am: distclean-noinstLIBRARIES distclean-compile \ + distclean-tags distclean-generic clean-am + +distclean: distclean-am + -rm -f config.status + +maintainer-clean-am: maintainer-clean-noinstLIBRARIES \ + maintainer-clean-compile maintainer-clean-tags \ + maintainer-clean-generic distclean-am + @echo "This command is intended for maintainers to use;" + @echo "it deletes files that may require special tools to rebuild." + +maintainer-clean: maintainer-clean-am + -rm -f config.status + +.PHONY: mostlyclean-noinstLIBRARIES distclean-noinstLIBRARIES \ +clean-noinstLIBRARIES maintainer-clean-noinstLIBRARIES \ +mostlyclean-compile distclean-compile clean-compile \ +maintainer-clean-compile tags mostlyclean-tags distclean-tags \ +clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \ +check-am installcheck-am installcheck install-info-am install-info \ +install-exec-am install-exec install-data-am install-data install-am \ +install uninstall-am uninstall all-redirect all-am all installdirs \ +mostlyclean-generic distclean-generic clean-generic \ +maintainer-clean-generic clean mostlyclean distclean maintainer-clean + + +all: crt0.o + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/aclocal.m4 newlib-1.9.0/newlib/libc/sys/agb/aclocal.m4 --- original/newlib-1.9.0/newlib/libc/sys/agb/aclocal.m4 Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/aclocal.m4 Thu Oct 25 22:04:20 2001 @@ -0,0 +1,282 @@ +dnl aclocal.m4 generated automatically by aclocal 1.4 + +dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without +dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A +dnl PARTICULAR PURPOSE. + +dnl This provides configure definitions used by all the newlib +dnl configure.in files. + +dnl Basic newlib configury. This calls basic introductory stuff, +dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs +dnl configure.host. The only argument is the relative path to the top +dnl newlib directory. + +AC_DEFUN(NEWLIB_CONFIGURE, +[ +dnl Default to --enable-multilib +AC_ARG_ENABLE(multilib, +[ --enable-multilib build many library versions (default)], +[case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; + esac], [multilib=yes])dnl + +dnl Support --enable-target-optspace +AC_ARG_ENABLE(target-optspace, +[ --enable-target-optspace optimize for space], +[case "${enableval}" in + yes) target_optspace=yes ;; + no) target_optspace=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;; + esac], [target_optspace=])dnl + +dnl Support --enable-newlib-mb +AC_ARG_ENABLE(newlib-mb, +[ --enable-newlib-mb enable multibyte support], +[case "${enableval}" in + yes) newlib_mb=yes ;; + no) newlib_mb=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;; + esac], [newlib_mb=no])dnl + +dnl We may get other options which we don't document: +dnl --with-target-subdir, --with-multisrctop, --with-multisubdir + +test -z "[$]{with_target_subdir}" && with_target_subdir=. + +if test "[$]{srcdir}" = "."; then + if test "[$]{with_target_subdir}" != "."; then + newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}/$1" + else + newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1" + fi +else + newlib_basedir="[$]{srcdir}/$1" +fi +AC_SUBST(newlib_basedir) + +AC_CANONICAL_HOST + +AM_INIT_AUTOMAKE(newlib, 1.9.0) + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + +AC_DEFUN(LIB_AC_PROG_CC, +[AC_BEFORE([$0], [AC_PROG_CPP])dnl +AC_CHECK_PROG(CC, gcc, gcc) +if test -z "$CC"; then + AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) + test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) +fi + +AC_PROG_CC_GNU + +if test $ac_cv_prog_gcc = yes; then + GCC=yes +dnl Check whether -g works, even if CFLAGS is set, in case the package +dnl plays around with CFLAGS (such as to build both debugging and +dnl normal versions of a library), tasteless as that idea is. + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + AC_PROG_CC_G + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi +]) + +LIB_AC_PROG_CC + +# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). 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[$]{newlib_basedir}/configure.host + +case [$]{newlib_basedir} in +/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;; +*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;; +esac + +newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include" +case "${host}" in + *-*-cygwin*) + newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}//winsup/cygwin/include -I[$]{newlib_flagbasedir}//winsup/w32api/include" + ;; +esac + +newlib_cflags="[$]{newlib_cflags} -fno-builtin" + +NEWLIB_CFLAGS=${newlib_cflags} +AC_SUBST(NEWLIB_CFLAGS) + +AC_SUBST(machine_dir) +AC_SUBST(sys_dir) +]) + +# Do all the work for Automake. This macro actually does too much -- +# some checks are only needed if your package does certain things. +# But this isn't really a big deal. + +# serial 1 + +dnl Usage: +dnl AM_INIT_AUTOMAKE(package,version, [no-define]) + +AC_DEFUN(AM_INIT_AUTOMAKE, +[AC_REQUIRE([AC_PROG_INSTALL]) +PACKAGE=[$1] +AC_SUBST(PACKAGE) +VERSION=[$2] +AC_SUBST(VERSION) +dnl test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then + AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) +fi +ifelse([$3],, +AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) +AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) +AC_REQUIRE([AM_SANITY_CHECK]) +AC_REQUIRE([AC_ARG_PROGRAM]) +dnl FIXME This is truly gross. +missing_dir=`cd $ac_aux_dir && pwd` +AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) +AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) +AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) +AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) +AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) +AC_REQUIRE([AC_PROG_MAKE_SET])]) + +# +# Check to make sure that the build environment is sane. +# + +AC_DEFUN(AM_SANITY_CHECK, +[AC_MSG_CHECKING([whether build environment is sane]) +# Just in case +sleep 1 +echo timestamp > conftestfile +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` + if test "[$]*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftestfile` + fi + if test "[$]*" != "X $srcdir/configure conftestfile" \ + && test "[$]*" != "X conftestfile $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken +alias in your environment]) + fi + + test "[$]2" = conftestfile + ) +then + # Ok. + : +else + AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +rm -f conftest* +AC_MSG_RESULT(yes)]) + +dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) +dnl The program must properly implement --version. +AC_DEFUN(AM_MISSING_PROG, +[AC_MSG_CHECKING(for working $2) +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. 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the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. + +# Defaults: +ac_help= +ac_default_prefix=/usr/local +# Any additions from configure.in: +ac_help="$ac_help + --enable-multilib build many library versions (default)" +ac_help="$ac_help + --enable-target-optspace optimize for space" +ac_help="$ac_help + --enable-newlib-mb enable multibyte support" +ac_help="$ac_help + --enable-maintainer-mode enable make rules and dependencies not useful + (and sometimes confusing) to the casual installer" + +# Initialize some variables set by options. +# The variables have the same names as the options, with +# dashes changed to underlines. +build=NONE +cache_file=./config.cache +exec_prefix=NONE +host=NONE +no_create= +nonopt=NONE +no_recursion= +prefix=NONE +program_prefix=NONE +program_suffix=NONE +program_transform_name=s,x,x, +silent= +site= +sitefile= +srcdir= +target=NONE +verbose= +x_includes=NONE +x_libraries=NONE +bindir='${exec_prefix}/bin' +sbindir='${exec_prefix}/sbin' +libexecdir='${exec_prefix}/libexec' +datadir='${prefix}/share' +sysconfdir='${prefix}/etc' +sharedstatedir='${prefix}/com' +localstatedir='${prefix}/var' +libdir='${exec_prefix}/lib' +includedir='${prefix}/include' +oldincludedir='/usr/include' +infodir='${prefix}/info' +mandir='${prefix}/man' + +# Initialize some other variables. +subdirs= +MFLAGS= MAKEFLAGS= +SHELL=${CONFIG_SHELL-/bin/sh} +# Maximum number of lines to put in a shell here document. +ac_max_here_lines=12 + +ac_prev= +for ac_option +do + + # If the previous option needs an argument, assign it. + if test -n "$ac_prev"; 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It has an incompatible calling convention. + : + else + ac_cv_path_install="$ac_dir/$ac_prog -c" + break 2 + fi + fi + done + ;; + esac + done + IFS="$ac_save_IFS" + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL="$ac_cv_path_install" + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL="$ac_install_sh" + fi +fi +echo "$ac_t""$INSTALL" 1>&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6 +echo "configure:631: checking whether build environment is sane" >&5 +# Just in case +sleep 1 +echo timestamp > conftestfile +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t $srcdir/configure conftestfile` + fi + if test "$*" != "X $srcdir/configure conftestfile" \ + && test "$*" != "X conftestfile $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + { echo "configure: error: ls -t appears to fail. Make sure there is not a broken +alias in your environment" 1>&2; exit 1; } + fi + + test "$2" = conftestfile + ) +then + # Ok. + : +else + { echo "configure: error: newly created file is older than distributed files! +Check your system clock" 1>&2; exit 1; } +fi +rm -f conftest* +echo "$ac_t""yes" 1>&6 +if test "$program_transform_name" = s,x,x,; then + program_transform_name= +else + # Double any \ or $. echo might interpret backslashes. + cat <<\EOF_SED > conftestsed +s,\\,\\\\,g; s,\$,$$,g +EOF_SED + program_transform_name="`echo $program_transform_name|sed -f conftestsed`" + rm -f conftestsed +fi +test "$program_prefix" != NONE && + program_transform_name="s,^,${program_prefix},; $program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s,\$\$,${program_suffix},; $program_transform_name" + +# sed with no file args requires a program. +test "$program_transform_name" = "" && program_transform_name="s,x,x," + +echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6 +echo "configure:688: checking whether ${MAKE-make} sets \${MAKE}" >&5 +set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'` +if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftestmake <<\EOF +all: + @echo 'ac_maketemp="${MAKE}"' +EOF +# GNU make sometimes prints "make[1]: Entering...", which would confuse us. +eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=` +if test -n "$ac_maketemp"; then + eval ac_cv_prog_make_${ac_make}_set=yes +else + eval ac_cv_prog_make_${ac_make}_set=no +fi +rm -f conftestmake +fi +if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then + echo "$ac_t""yes" 1>&6 + SET_MAKE= +else + echo "$ac_t""no" 1>&6 + SET_MAKE="MAKE=${MAKE-make}" +fi + +if test $host != $build; then + ac_tool_prefix=${host_alias}- +else + ac_tool_prefix= +fi + +echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6 +echo "configure:721: checking for Cygwin environment" >&5 +if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_cygwin=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + ac_cv_cygwin=no +fi +rm -f conftest* +rm -f conftest* +fi + +echo "$ac_t""$ac_cv_cygwin" 1>&6 +CYGWIN= +test "$ac_cv_cygwin" = yes && CYGWIN=yes +echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6 +echo "configure:754: checking for mingw32 environment" >&5 +if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_mingw32=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + ac_cv_mingw32=no +fi +rm -f conftest* +rm -f conftest* +fi + +echo "$ac_t""$ac_cv_mingw32" 1>&6 +MINGW32= +test "$ac_cv_mingw32" = yes && MINGW32=yes + +# Check whether --enable-multilib or --disable-multilib was given. +if test "${enable_multilib+set}" = set; then + enableval="$enable_multilib" + case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) { echo "configure: error: bad value ${enableval} for multilib option" 1>&2; exit 1; } ;; + esac +else + multilib=yes +fi + +# Check whether --enable-target-optspace or --disable-target-optspace was given. +if test "${enable_target_optspace+set}" = set; then + enableval="$enable_target_optspace" + case "${enableval}" in + yes) target_optspace=yes ;; + no) target_optspace=no ;; + *) { echo "configure: error: bad value ${enableval} for target-optspace option" 1>&2; exit 1; } ;; + esac +else + target_optspace= +fi + +# Check whether --enable-newlib-mb or --disable-newlib-mb was given. +if test "${enable_newlib_mb+set}" = set; then + enableval="$enable_newlib_mb" + case "${enableval}" in + yes) newlib_mb=yes ;; + no) newlib_mb=no ;; + *) { echo "configure: error: bad value ${enableval} for newlib-mb option" 1>&2; exit 1; } ;; + esac +else + newlib_mb=no +fi + + +test -z "${with_target_subdir}" && with_target_subdir=. + +if test "${srcdir}" = "."; then + if test "${with_target_subdir}" != "."; then + newlib_basedir="${srcdir}/${with_multisrctop}///.." + else + newlib_basedir="${srcdir}/${with_multisrctop}//.." + fi +else + newlib_basedir="${srcdir}///.." +fi + + + +# Make sure we can run config.sub. +if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then : +else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; } +fi + +echo $ac_n "checking host system type""... $ac_c" 1>&6 +echo "configure:840: checking host system type" >&5 + +host_alias=$host +case "$host_alias" in +NONE) + case $nonopt in + NONE) + if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then : + else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; } + fi ;; + *) host_alias=$nonopt ;; + esac ;; +esac + +host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias` +host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` +echo "$ac_t""$host" 1>&6 + + + +PACKAGE=newlib + +VERSION=1.9.0 + +if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then + { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; } +fi +cat >> confdefs.h <> confdefs.h <&6 +echo "configure:881: checking for working aclocal" >&5 +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if (aclocal --version) < /dev/null > /dev/null 2>&1; then + ACLOCAL=aclocal + echo "$ac_t""found" 1>&6 +else + ACLOCAL="$missing_dir/missing aclocal" + echo "$ac_t""missing" 1>&6 +fi + +echo $ac_n "checking for working autoconf""... $ac_c" 1>&6 +echo "configure:894: checking for working autoconf" >&5 +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if (autoconf --version) < /dev/null > /dev/null 2>&1; then + AUTOCONF=autoconf + echo "$ac_t""found" 1>&6 +else + AUTOCONF="$missing_dir/missing autoconf" + echo "$ac_t""missing" 1>&6 +fi + +echo $ac_n "checking for working automake""... $ac_c" 1>&6 +echo "configure:907: checking for working automake" >&5 +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if (automake --version) < /dev/null > /dev/null 2>&1; then + AUTOMAKE=automake + echo "$ac_t""found" 1>&6 +else + AUTOMAKE="$missing_dir/missing automake" + echo "$ac_t""missing" 1>&6 +fi + +echo $ac_n "checking for working autoheader""... $ac_c" 1>&6 +echo "configure:920: checking for working autoheader" >&5 +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if (autoheader --version) < /dev/null > /dev/null 2>&1; then + AUTOHEADER=autoheader + echo "$ac_t""found" 1>&6 +else + AUTOHEADER="$missing_dir/missing autoheader" + echo "$ac_t""missing" 1>&6 +fi + +echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6 +echo "configure:933: checking for working makeinfo" >&5 +# Run test in a subshell; some versions of sh will print an error if +# an executable is not found, even if stderr is redirected. +# Redirect stdin to placate older versions of autoconf. Sigh. +if (makeinfo --version) < /dev/null > /dev/null 2>&1; then + MAKEINFO=makeinfo + echo "$ac_t""found" 1>&6 +else + MAKEINFO="$missing_dir/missing makeinfo" + echo "$ac_t""missing" 1>&6 +fi + + + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + + + +# Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:958: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + ac_cv_prog_CC="gcc" + break + fi + done + IFS="$ac_save_ifs" +fi +fi +CC="$ac_cv_prog_CC" +if test -n "$CC"; then + echo "$ac_t""$CC" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:988: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_prog_rejected=no + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + break + fi + done + IFS="$ac_save_ifs" +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# -gt 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + set dummy "$ac_dir/$ac_word" "$@" + shift + ac_cv_prog_CC="$@" + fi +fi +fi +fi +CC="$ac_cv_prog_CC" +if test -n "$CC"; then + echo "$ac_t""$CC" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + + test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; } +fi + +echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6 +echo "configure:1037: checking whether we are using GNU C" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.c <&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then + ac_cv_prog_gcc=yes +else + ac_cv_prog_gcc=no +fi +fi + +echo "$ac_t""$ac_cv_prog_gcc" 1>&6 + +if test $ac_cv_prog_gcc = yes; then + GCC=yes + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6 +echo "configure:1061: checking whether ${CC-cc} accepts -g" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + echo 'void f(){}' > conftest.c +if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then + ac_cv_prog_cc_g=yes +else + ac_cv_prog_cc_g=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$ac_cv_prog_cc_g" 1>&6 + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi + + +# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't +# run it explicitly here, it will be run implicitly before +# NEWLIB_CONFIGURE, which doesn't work because that means that it will +# be run before AC_CANONICAL_HOST. +echo $ac_n "checking build system type""... $ac_c" 1>&6 +echo "configure:1094: checking build system type" >&5 + +build_alias=$build +case "$build_alias" in +NONE) + case $nonopt in + NONE) build_alias=$host_alias ;; + *) build_alias=$nonopt ;; + esac ;; +esac + +build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias` +build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` +echo "$ac_t""$build" 1>&6 + + +# Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args. +set dummy ${ac_tool_prefix}as; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:1115: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$AS"; then + ac_cv_prog_AS="$AS" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + ac_cv_prog_AS="${ac_tool_prefix}as" + break + fi + done + IFS="$ac_save_ifs" + test -z "$ac_cv_prog_AS" && ac_cv_prog_AS="as" +fi +fi +AS="$ac_cv_prog_AS" +if test -n "$AS"; then + echo "$ac_t""$AS" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + + + +# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. +set dummy ${ac_tool_prefix}ar; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:1147: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + ac_cv_prog_AR="${ac_tool_prefix}ar" + break + fi + done + IFS="$ac_save_ifs" + test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar" +fi +fi +AR="$ac_cv_prog_AR" +if test -n "$AR"; then + echo "$ac_t""$AR" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + + + +# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:1179: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + break + fi + done + IFS="$ac_save_ifs" +fi +fi +RANLIB="$ac_cv_prog_RANLIB" +if test -n "$RANLIB"; then + echo "$ac_t""$RANLIB" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + + +if test -z "$ac_cv_prog_RANLIB"; then +if test -n "$ac_tool_prefix"; then + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 +echo "configure:1211: checking for $ac_word" >&5 +if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + ac_dummy="$PATH" + for ac_dir in $ac_dummy; do + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$ac_word; then + ac_cv_prog_RANLIB="ranlib" + break + fi + done + IFS="$ac_save_ifs" + test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":" +fi +fi +RANLIB="$ac_cv_prog_RANLIB" +if test -n "$RANLIB"; then + echo "$ac_t""$RANLIB" 1>&6 +else + echo "$ac_t""no" 1>&6 +fi + +else + RANLIB=":" +fi +fi + + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# ./install, which can be erroneously created by make from ./install.sh. +echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 +echo "configure:1256: checking for a BSD compatible install" >&5 +if test -z "$INSTALL"; then +if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":" + for ac_dir in $PATH; do + # Account for people who put trailing slashes in PATH elements. + case "$ac_dir/" in + /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + if test -f $ac_dir/$ac_prog; then + if test $ac_prog = install && + grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + else + ac_cv_path_install="$ac_dir/$ac_prog -c" + break 2 + fi + fi + done + ;; + esac + done + IFS="$ac_save_IFS" + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL="$ac_cv_path_install" + else + # As a last resort, use the slow shell script. We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL="$ac_install_sh" + fi +fi +echo "$ac_t""$INSTALL" 1>&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6 +echo "configure:1310: checking whether to enable maintainer-specific portions of Makefiles" >&5 + # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given. +if test "${enable_maintainer_mode+set}" = set; then + enableval="$enable_maintainer_mode" + USE_MAINTAINER_MODE=$enableval +else + USE_MAINTAINER_MODE=no +fi + + echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6 + + +if test $USE_MAINTAINER_MODE = yes; then + MAINTAINER_MODE_TRUE= + MAINTAINER_MODE_FALSE='#' +else + MAINTAINER_MODE_TRUE='#' + MAINTAINER_MODE_FALSE= +fi + MAINT=$MAINTAINER_MODE_TRUE + + + +# We need AC_EXEEXT to keep automake happy in cygnus mode. However, +# at least currently, we never actually build a program, so we never +# need to use $(EXEEXT). Moreover, the test for EXEEXT normally +# fails, because we are probably configuring with a cross compiler +# which can't create executables. So we include AC_EXEEXT to keep +# automake happy, but we don't execute it, since we don't care about +# the result. +if false; then + + +echo $ac_n "checking for executable suffix""... $ac_c" 1>&6 +echo "configure:1344: checking for executable suffix" >&5 +if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test "$CYGWIN" = yes || test "$MINGW32" = yes; then + ac_cv_exeext=.exe +else + rm -f conftest* + echo 'int main () { return 0; }' > conftest.$ac_ext + ac_cv_exeext= + if { (eval echo configure:1354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then + for file in conftest.*; do + case $file in + *.c | *.o | *.obj | *.ilk | *.pdb) ;; + *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;; + esac + done + else + { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; } + fi + rm -f conftest* + test x"${ac_cv_exeext}" = x && ac_cv_exeext=no +fi +fi + +EXEEXT="" +test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext} +echo "$ac_t""${ac_cv_exeext}" 1>&6 +ac_exeext=$EXEEXT + +fi + +. ${newlib_basedir}/configure.host + +case ${newlib_basedir} in +/* | A-Za-z:/\\*) newlib_flagbasedir=${newlib_basedir} ;; +*) newlib_flagbasedir='$(top_builddir)/'${newlib_basedir} ;; +esac + +newlib_cflags="${newlib_cflags} -I"'$(top_builddir)'"/targ-include -I${newlib_flagbasedir}/libc/include" +case "${host}" in + *-*-cygwin*) + newlib_cflags="${newlib_cflags} -I${newlib_flagbasedir}//winsup/cygwin/include -I${newlib_flagbasedir}//winsup/w32api/include" + ;; +esac + +newlib_cflags="${newlib_cflags} -fno-builtin" + +NEWLIB_CFLAGS=${newlib_cflags} + + + + + + +trap '' 1 2 15 +cat > confcache <<\EOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs. It is not useful on other systems. +# If it contains results you don't want to keep, you may remove or edit it. +# +# By default, configure uses ./config.cache as the cache file, +# creating it if it does not exist already. You can give configure +# the --cache-file=FILE option to use a different cache file; that is +# what configure does when it calls configure scripts in +# subdirectories, so they share the cache. +# Giving --cache-file=/dev/null disables caching, for debugging configure. +# config.status only pays attention to the cache file if you give it the +# --recheck option to rerun configure. +# +EOF +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +(set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote substitution + # turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + -e "s/'/'\\\\''/g" \ + -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p' + ;; + esac >> confcache +if cmp -s $cache_file confcache; then + : +else + if test -w $cache_file; then + echo "updating cache $cache_file" + cat confcache > $cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15 + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# Any assignment to VPATH causes Sun make to only execute +# the first set of double-colon rules, so remove it if not needed. +# If there is a colon in the path, we need to keep it. +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[^:]*$/d' +fi + +trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15 + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +cat > conftest.defs <<\EOF +s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g +s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g +s%\[%\\&%g +s%\]%\\&%g +s%\$%$$%g +EOF +DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '` +rm -f conftest.defs + + +# Without the "./", some shells look in PATH for config.status. +: ${CONFIG_STATUS=./config.status} + +echo creating $CONFIG_STATUS +rm -f $CONFIG_STATUS +cat > $CONFIG_STATUS </dev/null | sed 1q`: +# +# $0 $ac_configure_args +# +# Compiler output produced by configure, useful for debugging +# configure, is in ./config.log if it exists. + +ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]" +for ac_option +do + case "\$ac_option" in + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion" + exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;; + -version | --version | --versio | --versi | --vers | --ver | --ve | --v) + echo "$CONFIG_STATUS generated by autoconf version 2.13" + exit 0 ;; + -help | --help | --hel | --he | --h) + echo "\$ac_cs_usage"; exit 0 ;; + *) echo "\$ac_cs_usage"; exit 1 ;; + esac +done + +ac_given_srcdir=$srcdir +ac_given_INSTALL="$INSTALL" + +trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15 +EOF +cat >> $CONFIG_STATUS < conftest.subs <<\\CEOF +$ac_vpsub +$extrasub +s%@SHELL@%$SHELL%g +s%@CFLAGS@%$CFLAGS%g +s%@CPPFLAGS@%$CPPFLAGS%g +s%@CXXFLAGS@%$CXXFLAGS%g +s%@FFLAGS@%$FFLAGS%g +s%@DEFS@%$DEFS%g +s%@LDFLAGS@%$LDFLAGS%g +s%@LIBS@%$LIBS%g +s%@exec_prefix@%$exec_prefix%g +s%@prefix@%$prefix%g +s%@program_transform_name@%$program_transform_name%g +s%@bindir@%$bindir%g +s%@sbindir@%$sbindir%g +s%@libexecdir@%$libexecdir%g +s%@datadir@%$datadir%g +s%@sysconfdir@%$sysconfdir%g +s%@sharedstatedir@%$sharedstatedir%g +s%@localstatedir@%$localstatedir%g +s%@libdir@%$libdir%g +s%@includedir@%$includedir%g +s%@oldincludedir@%$oldincludedir%g +s%@infodir@%$infodir%g +s%@mandir@%$mandir%g +s%@newlib_basedir@%$newlib_basedir%g +s%@host@%$host%g +s%@host_alias@%$host_alias%g +s%@host_cpu@%$host_cpu%g +s%@host_vendor@%$host_vendor%g +s%@host_os@%$host_os%g +s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g +s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g +s%@INSTALL_DATA@%$INSTALL_DATA%g +s%@PACKAGE@%$PACKAGE%g +s%@VERSION@%$VERSION%g +s%@ACLOCAL@%$ACLOCAL%g +s%@AUTOCONF@%$AUTOCONF%g +s%@AUTOMAKE@%$AUTOMAKE%g +s%@AUTOHEADER@%$AUTOHEADER%g +s%@MAKEINFO@%$MAKEINFO%g +s%@SET_MAKE@%$SET_MAKE%g +s%@CC@%$CC%g +s%@build@%$build%g +s%@build_alias@%$build_alias%g +s%@build_cpu@%$build_cpu%g +s%@build_vendor@%$build_vendor%g +s%@build_os@%$build_os%g +s%@AS@%$AS%g +s%@AR@%$AR%g +s%@RANLIB@%$RANLIB%g +s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g +s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g +s%@MAINT@%$MAINT%g +s%@EXEEXT@%$EXEEXT%g +s%@NEWLIB_CFLAGS@%$NEWLIB_CFLAGS%g +s%@machine_dir@%$machine_dir%g +s%@sys_dir@%$sys_dir%g + +CEOF +EOF + +cat >> $CONFIG_STATUS <<\EOF + +# Split the substitutions into bite-sized pieces for seds with +# small command number limits, like on Digital OSF/1 and HP-UX. +ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script. +ac_file=1 # Number of current file. +ac_beg=1 # First line for current file. +ac_end=$ac_max_sed_cmds # Line after last line for current file. +ac_more_lines=: +ac_sed_cmds="" +while $ac_more_lines; do + if test $ac_beg -gt 1; then + sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file + else + sed "${ac_end}q" conftest.subs > conftest.s$ac_file + fi + if test ! -s conftest.s$ac_file; then + ac_more_lines=false + rm -f conftest.s$ac_file + else + if test -z "$ac_sed_cmds"; then + ac_sed_cmds="sed -f conftest.s$ac_file" + else + ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file" + fi + ac_file=`expr $ac_file + 1` + ac_beg=$ac_end + ac_end=`expr $ac_end + $ac_max_sed_cmds` + fi +done +if test -z "$ac_sed_cmds"; then + ac_sed_cmds=cat +fi +EOF + +cat >> $CONFIG_STATUS <> $CONFIG_STATUS <<\EOF +for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then + # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in". + case "$ac_file" in + *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'` + ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + *) ac_file_in="${ac_file}.in" ;; + esac + + # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories. + + # Remove last slash and all that follows it. Not all systems have dirname. + ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'` + if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then + # The file is in a subdirectory. + test ! -d "$ac_dir" && mkdir "$ac_dir" + ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`" + # A "/" for each directory in $ac_dir_suffix. + ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%/%g'` + else + ac_dir_suffix= ac_dots= + fi + + case "$ac_given_srcdir" in + .) srcdir=. + if test -z "$ac_dots"; then top_srcdir=. + else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;; + /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;; + *) # Relative path. + srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix" + top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + + case "$ac_given_INSTALL" in + [/$]*) INSTALL="$ac_given_INSTALL" ;; + *) INSTALL="$ac_dots$ac_given_INSTALL" ;; + esac + + echo creating "$ac_file" + rm -f "$ac_file" + configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure." + case "$ac_file" in + *Makefile*) ac_comsub="1i\\ +# $configure_input" ;; + *) ac_comsub= ;; + esac + + ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"` + sed -e "$ac_comsub +s%@configure_input@%$configure_input%g +s%@srcdir@%$srcdir%g +s%@top_srcdir@%$top_srcdir%g +s%@INSTALL@%$INSTALL%g +" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file +fi; done +rm -f conftest.s* + +EOF +cat >> $CONFIG_STATUS <> $CONFIG_STATUS <<\EOF + +exit 0 +EOF +chmod +x $CONFIG_STATUS +rm -fr confdefs* $ac_clean_files +test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 + diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/configure.in newlib-1.9.0/newlib/libc/sys/agb/configure.in --- original/newlib-1.9.0/newlib/libc/sys/agb/configure.in Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/configure.in Thu Oct 25 22:04:20 2001 @@ -0,0 +1,12 @@ +dnl This is the newlib/libc/sys/arm configure.in file. +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.5) +AC_INIT(trap.S) + +dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. +AC_CONFIG_AUX_DIR(///..) + +NEWLIB_CONFIGURE(//..) + +AC_OUTPUT(Makefile) diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/crt0.S newlib-1.9.0/newlib/libc/sys/agb/crt0.S --- original/newlib-1.9.0/newlib/libc/sys/agb/crt0.S Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/crt0.S Thu Oct 25 22:04:20 2001 @@ -0,0 +1,588 @@ +@******************************************************************** +@* crt0.S v1.25 by Jeff Frohwein * +@******************************************************************** + +@ v1.0 - Original release +@ v1.1 - Added proper .data section support +@ v1.2 - Added support for c++, overlays, interrupts, and +@ far calls (__FarFunction & __FarProcedure). +@ - Some ideas from Jason Wilkins & Mike Heckenbach. +@ v1.21- Killed the dumb test bug left in the code. +@ v1.22- Killed dumb bug "numero dos" in multiple interrupts routine. Thanks Mike H. :) +@ v1.23- Now correctly handles zero length .bss section. +@ v1.24- Loop back to start_vector now works if main {} exits. +@ v1.25- __FarProcedure now works. It was missing a .thumb_func directive. + +@ This file is released into the public domain for commercial +@ or non-commercial usage with no restrictions placed upon it. + + .TEXT + +@ Comment out the next line ONLY if you plan to never support +@ multiboot mode and want to save a few bytes by removing +@ multiboot support code. Otherwise, leave it alone. It wont +@ disturb code designed to run only on flash carts. +@ +@ The normal way to enable generating code that works with +@ both multiboot and flash carts is to add the following to +@ your C code in your main project file: +@ #define MULTIBOOT volatile const int __gba_multiboot; +@ Then use it like this: MULTIBOOT +@ If this variable is not defined somewhere in your project +@ then code will be generated to run out of ROM instead of +@ EXRAM. The value of this variable is not important. + + .equ __MultiBootInclude, 1 + +@ If you are compiling for multiboot dedicated (will not +@ run in a cart) code then uncomment the following. Normally +@ you should leave this commented out so that a multiboot +@ image will run in a cart as well (by copying from ROM to RAM). +@ +@ This sets the maker code to "MB " which is a key that +@ some emulators look for to know to load the rom image +@ at 0x2000000 instead of the standard 0x8000000. + +@ .equ __MultibootDedicated, 1 + +@ There are two methods for clearing memory and +@ copying appropriate setup data. The fast & bulky +@ method is GBA DMA copy/clear but some emulators +@ do not accurately do DMA. If you have an inaccurate +@ emulator or want to conserve ROM space then comment +@ out the following line. There is not much advantage +@ gained by doing DMA copy/clear. + +@ .equ __DMACopyClear, 1 + +@ Uncomment the following line to support C++ development. +@ You also need to name your main C function the following: +@ int main (void) ...instead of... int AgbMain (void) +@ Doing so will cause ~5500 bytes of c++ support code to be +@ linked in with your project so do not enable c++ support +@ unless you plan to use it. + + .equ __CPPSupport, 1 + +@ Comment out the following line to disable interrupt support +@ in your code and to save some space in this file. + +@ .equ __InterruptSupport, 1 + +@ Comment out the following line to disable multiple-interrupts- +@ at-once support. If you have several interrupts where one can +@ occur while another is being serviced then you need to enable +@ this option. Disabling it allows slightly smaller/faster code. + +@ .equ __MultipleInterrupts, 1 + +@ Uncomment the following line to disable sound and enter an +@ infinite loop if cart is removed during game play. You +@ must have the cart interrupt enabled for this to work. + +@ .equ __HandleCartInterrupt, 1 + +@ The following prevents IRQ stack overflow by switching to +@ System mode (User stack) when handling multiple interrupts. +@ To force use of IRQ stack only, comment out the following line. + + .equ __SwitchToUserStack, 1 + +@ !!!! NOTE: THE COPY ROUTINES IN THIS FILE WORK ON 4 BYTE +@ BOUNDARIES. YOUR LINKER SCRIPT MUST ALIGN SECTION STARTS +@ AND SECTION ENDS FOR SECTIONS THAT GET COPIED TO RAM WITH +@ ALIGN(4) !!!! + + .GLOBAL _start +_start: + .ALIGN + .CODE 32 + @ Start Vector + + b rom_header_end + + @ Nintendo Logo Character Data (8000004h) + .fill 156,1,0 + + @ Game Title (80000A0h) + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00 + + .ifdef __MultibootDedicated + @ Game Code (80000ACh) + .byte 0x4d,0x42,0x20,0x20 @ "MB " + .else + @ Game Code (80000ACh) + .byte 0x00,0x00,0x00,0x00 + .endif + + @ Maker Code (80000B0h) + .byte 0x30,0x31 + + @ Fixed Value (80000B2h) + .byte 0x96 + + @ Main Unit Code (80000B3h) + .byte 0x00 + + @ Device Type (80000B4h) + .byte 0x00 + + @ Unused Data (7Byte) (80000B5h) + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00 + + @ Software Version No (80000BCh) + .byte 0x00 + + @ Complement Check (80000BDh) + .byte 0xf0 + + @ Checksum (80000BEh) + .byte 0x00,0x00 + + .ALIGN + .ARM @ ..or you can use CODE 32 here + +rom_header_end: + b start_vector @ This branch must be here for proper + @ positioning of the following header. + @ DO NOT REMOVE IT. + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ The following reserved bytes are used if the code is compiled for @ +@ multiboot mode. It does not hurt anything to leave this header in +@ even if the code is not compiled for multiboot. The GBA BIOS will +@ auto-patch the first two bytes with 0x03 and 0x01, respectively, +@ before running any code if it is executed as multiboot. +@ + +@ The following two bytes are included even for non-multiboot supporting +@ builds to guarantee that any generic library code that depends on them +@ will still be functional. + + .GLOBAL __boot_method, __slave_number + +__boot_method: + .byte 0 @ boot method (0=ROM boot, 3=Multiplay boot) +__slave_number: + .byte 0 @ slave # (1=slave#1, 2=slave#2, 3=slave#3) + + .ifdef __MultiBootInclude + + .byte 0 @ reserved + .byte 0 @ reserved + .word 0 @ reserved + .word 0 @ reserved + .word 0 @ reserved + .word 0 @ reserved + .word 0 @ reserved + .word 0 @ reserved + .endif +@ @ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ + + +@@@@@@@@@@@@@@@@@@@@@@ +@ Reset @ +@@@@@@@@@@@@@@@@@@@@@@ + + .GLOBAL start_vector + .ALIGN + .ARM @ ..or you can use CODE 32 here +start_vector: + mov r0, #0x12 @ Switch to IRQ Mode + msr cpsr, r0 + ldr sp,=__sp_irq @ Set SP_irq + mov r0, #0x1f @ Switch to System Mode + msr cpsr, r0 + ldr sp,=__sp_usr @ Set SP_usr + +@ Enter Thumb mode + adr r0,1f + 1 @ add r0,pc,#1 also works here + @ for those that want to conserve labels. + bx r0 + + .THUMB @ ..or you can use .CODE 16 here +1: + + .ifdef __InterruptSupport + ldr r1, =__intr_vector_buf @ Set Interrupt Address + adr r0, intr_main + str r0, [r1] + .endif + + .ifdef __MultiBootInclude + +@ *** Multiboot Copy Routine *** +@ Check the Program Counter to see if code is running +@ at 0x2000000 or 0x8000000. If it is running at 0x8000000 +@ then copy 256K bytes of it to 0x2000000 and then branch +@ to 0x2000000. +@ The reason for all this is to allow a program to be used +@ "as is" with an flash cart/emulator or with an MBV2-style +@ multiboot cable. +@ NOTE: You can also detect if this ROM is running from +@ 0x2000000 by checking the multiboot header above. + + ldr r0,=__text_start + lsl r0,#5 @ Was code compiled at 0x08000000 or higher? + bcs DoEWRAMClear @ yes, you can not run it in external WRAM + +@ Make sure we're in ExWRAM + + mov r0,pc + lsl r0,#5 @ Are we running from ROM (0x8000000 or higher) ? + bcc SkipEWRAMClear @ No, so no need to do a copy. + +@ We were started in ROM, silly emulators :P +@ so we need to copy to ExWRAM + + mov r3,#0x40 + lsl r3,#12 @ r3 = 0x40000 + lsl r2,r3,#7 @ r2 = 0x2000000 + mov r6,r2 @ r6 = 0x2000000 + lsl r1,r2,#2 @ r1 = 0x8000000 + + bl CopyMem + +@ Jump to the code to execute + + bx r6 + .endif + +DoEWRAMClear: +@ Clear External WRAM to 0x00 + + mov r1,#0x40 + lsl r1,#12 @ r1 = 0x40000 + lsl r0,r1,#7 @ r0 = 0x2000000 + bl ClearMem + +SkipEWRAMClear: +@ ldr r0,=AgbMain +@ bx r0 + +@ Clear Internal WRAM to 0x00 + mov r0,#3 + lsl r0,#24 @ r0 = 0x3000000 + ldr r1,=__sp_usr_offset - 16 + bl ClearMem + + .ifdef __MultiBootInclude +@ Clear BSS section to 0x00 +@ (Sometimes BSS may be in External WRAM) + ldr r0,=__bss_start + ldr r1,=__bss_end + sub r1,r0 + bl ClearMem + .endif + +@ Copy initialized data (data section) from LMA to VMA (ROM to RAM) + ldr r1,=__data_lma + ldr r2,=__data_start + ldr r4,=__data_end + bl CopyMemChk + +@ Copy internal work ram (iwram section) from LMA to VMA (ROM to RAM) + ldr r1,=__iwram_lma + ldr r2,=__iwram_start + ldr r4,=__iwram_end + bl CopyMemChk + +@ Copy internal work ram overlay 0 (iwram0 section) from LMA to VMA (ROM to RAM) + ldr r2,=__load_stop_iwram0 + ldr r1,=__load_start_iwram0 + sub r3,r2,r1 @ Is there any data to copy? + beq CIW0Skip @ no + + ldr r2,=__iwram_overlay_start + bl CopyMem +CIW0Skip: + +@ Copy external work ram (ewram section) from LMA to VMA (ROM to RAM) + ldr r1,=__ewram_lma + ldr r2,=__ewram_start + ldr r4,=__ewram_end + bl CopyMemChk + +@ Copy external work ram overlay 0 (ewram0 section) from LMA to VMA (ROM to RAM) + ldr r2,=__load_stop_ewram0 + ldr r1,=__load_start_ewram0 + sub r3,r2,r1 @ Is there any data to copy? + beq CEW0Skip @ no + + ldr r2,=__ewram_overlay_start + bl CopyMem +CEW0Skip: + +.ifdef __CPPSupport + ldr r0,=main +.else + ldr r0,=AgbMain +.endif + +@ Jump to user code + + ldr r1,=start_vector + mov lr,r1 @ Set start_vector as return address + + .GLOBAL __FarFunction,__FarProcedure + .THUMB_FUNC +__FarFunction: + .THUMB_FUNC +__FarProcedure: + bx r0 + nop + nop @ This nop is here to allow unmapped memory to be used as + @ as a delay of almost 1 sec with a 1 cycle resolution. + @ Read this for technical info: + @ http://www.devrs.com/gba/files/gbadevfaqs.php#RepeatUses + +@ Clear memory to 0x00 if length != 0 +@ r0 = Start Address +@ r1 = Length + +ClearMem: + cmp r1,#0 @ Is length zero? + beq ClearMX @ yes, exit + +.ifdef __DMACopyClear + ldr r2,reg_base + lsr r1,#2 @ r1 = (length/4) & 0xffff + + adr r3,fill_val + str r3,[r2,#0x4] @ Set source address (fill value) + str r0,[r2,#0x8] @ Set destination address (fill dest address) + strh r1,[r2,#0xc] @ Set DMA length + ldr r1,=0x8500 @ dma_clrb + strh r1,[r2,#0xe] @ Start DMA +.else + mov r2,#0 +ClrLoop: + stmia r0!,{r2} + sub r1,#4 + bne ClrLoop +.endif +ClearMX: + bx lr + +@ Copy memory if length != 0 +@ r1 = Source Address +@ r2 = Dest Address +@ r4 = Dest Address + Length + +CopyMemChk: + sub r3,r4,r2 @ Is there any data to copy? + beq CIDExit @ no + +@ Copy memory +@ r1 = Source Address +@ r2 = Dest Address +@ r3 = Length + +CopyMem: +.ifdef __DMACopyClear + ldr r0,reg_base + lsr r3,#2 @ r3 = (length/4) & 0xffff + + str r1,[r0,#0x4] @ Set source address + str r2,[r0,#0x8] @ Set destination address + strh r3,[r0,#0xc] @ Set DMA length + ldr r3,=0x8400 @ dma_copy + strh r3,[r0,#0xe] @ Start DMA +.else +CIDLoop: + ldmia r1!,{r0} + stmia r2!,{r0} + sub r3,#4 + bne CIDLoop +.endif +CIDExit: + bx lr + +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ +@ Interrupt Processing @ +@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ + + .EXTERN IntrTable + .GLOBAL intr_main + .ALIGN + .ARM + + .ifdef __InterruptSupport + + .ifndef __MultipleInterrupts + +intr_main: @ Single interrupts support + mov r3, #0x4000000 @ REG_BASE + ldr r2, [r3,#0x200]! @ Read REG_IE + and r1, r2, r2, lsr #16 @ r1 = IE & IF + ldr r2, =IntrTable + + ands r0, r1, #1 @ V-Blank Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #2 @ H-Blank Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #4 @ V Counter Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #8 @ Timer 0 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x10 @ Timer 1 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x20 @ Timer 2 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x40 @ Timer 3 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x80 @ Serial Communication Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x100 @ DMA0 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x200 @ DMA1 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x400 @ DMA2 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x800 @ DMA3 Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x1000 @ Key Interrupt + bne jump_intr + add r2, r2, #4 + ands r0, r1, #0x2000 @ Cart Interrupt + + .ifdef __HandleCartInterrupt + strneb r0, [r3, #0x84 - 0x200] @ Stop sound if cart removed (REG_SOUNDCNT_X) +loop: bne loop @ Infinite loop if cart removed + .endif + +jump_intr: + strh r0, [r3, #2] @ IF Clear + ldr r0, [r2] @ Jump to user IRQ process + bx r0 + + .else + +intr_main: @ Multiple interrupts support + mov r3, #0x4000000 @ REG_BASE + ldr r2, [r3,#0x200]! @ r3 = IE : r2 = IF|IE + ldrh r1, [r3, #0x8] @ r1 = IME + mrs r0, spsr + stmfd sp!, {r0-r3,lr} @ {spsr, IME, IF|IE, REG_IE, lr} + + mov r0, #1 @ IME = 1 (To permit multiple interrupts if + @ an interrupt occurs) + strh r0, [r3, #0x8] + and r1, r2, r2, lsr #16 @ r1 = IE & IF + ldr r12, =IntrTable + + ands r0, r1, #1 @ V-blank interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #2 @ H-blank interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #4 @ V-counter interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #8 @ Timer 0 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x10 @ Timer 1 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x20 @ Timer 2 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x40 @ Timer 3 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x100 @ DMA 0 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x200 @ DMA 1 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x400 @ DMA 2 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x800 @ DMA 3 interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x1000 @ Key interrupt + bne jump_intr + add r12,r12, #4 + ands r0, r1, #0x2000 @ Cart interrupt + + .ifdef __HandleCartInterrupt + strneb r0, [r3, #0x84 - 0x200] @ Stop sound if cart removed (REG_SOUNDCNT_X) +loop: bne loop @ Infinite loop if cart removed + .endif + +jump_intr: + strh r0, [r3, #2] @ Clear IF + +@ Enable multiple interrupts & switch to system +@ mode if __SwitchToUserStack is defined. + + mrs r3, cpsr + .ifdef __SwitchToUserStack + bic r3, r3, #0xdf @ \__ + orr r3, r3, #0x1f @ / --> Enable IRQ & FIQ. Set CPU mode to System. + .else + bic r3, r3, #0xc0 @ Enable IRQ & FIQ + .endif + msr cpsr, r3 + + ldr r0, [r12] + + stmfd sp!, {lr} + adr lr, IntrRet + bx r0 +IntrRet: + ldmfd sp!, {lr} + +@ Disable multiple interrupts & switch to IRQ Mode +@ if __SwitchToUserStack is defined. + + mrs r3, cpsr + .ifdef __SwitchToUserStack + bic r3, r3, #0xdf @ \__ + orr r3, r3, #0x92 @ / --> Disable IRQ. Enable FIQ. Set CPU mode to IRQ. + .else + orr r3, r3, #0x80 @ Disable IRQ. + .endif + msr cpsr, r3 + + ldmfd sp!, {r0-r3,lr} + strh r2, [r3] @ {spsr, IME, IF|IE, REG_IE, lr} + strh r1, [r3, #0x8] @ REG_IME + msr spsr, r0 + bx lr + + .endif +.endif + + .ALIGN + .ARM + +.ifdef __DMACopyClear +fill_val: .word 0 +reg_base: .word 0x040000d0 +.endif + + .POOL + + + .END + + diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/libcfunc.c newlib-1.9.0/newlib/libc/sys/agb/libcfunc.c --- original/newlib-1.9.0/newlib/libc/sys/agb/libcfunc.c Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/libcfunc.c Thu Oct 25 22:04:20 2001 @@ -0,0 +1,17 @@ +/* Support files for GNU libc. Files in the C namespace go here. + Files in the system namespace (ie those that start with an underscore) + go in syscalls.c. + + Note: These functions are in a seperate file so that OS providers can + overrride the system call stubs (defined in syscalls.c) without having + to provide libc funcitons as well. */ + +void abort (void) +{ + /* TODO: this can probably be implemented in some way for AGB */ +} + +void +alarm (void) +{ +} diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/setjmp.S newlib-1.9.0/newlib/libc/sys/agb/setjmp.S --- original/newlib-1.9.0/newlib/libc/sys/agb/setjmp.S Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/setjmp.S Thu Oct 25 22:04:20 2001 @@ -0,0 +1,136 @@ +/* This is a simple version of setjmp and longjmp. + + Nick Clifton, Cygnus Solutions, 13 June 1997. */ + +/* ANSI concatenation macros. */ +#define CONCAT(a, b) CONCAT2(a, b) +#define CONCAT2(a, b) a##b + +#ifndef __USER_LABEL_PREFIX__ +#error __USER_LABEL_PREFIX__ not defined +#endif + +#define SYM(x) CONCAT (__USER_LABEL_PREFIX__, x) + +#ifdef __ELF__ +#define TYPE(x) .type SYM(x),function +#define SIZE(x) .size SYM(x), . - SYM(x) +#else +#define TYPE(x) +#define SIZE(x) +#endif + +/* Arm/Thumb interworking support: + + The interworking scheme expects functions to use a BX instruction + to return control to their parent. Since we need this code to work + in both interworked and non-interworked environments as well as with + older processors which do not have the BX instruction we do the + following: + Test the return address. + If the bottom bit is clear perform an "old style" function exit. + (We know that we are in ARM mode and returning to an ARM mode caller). + Otherwise use the BX instruction to perform the function exit. + + We know that we will never attempt to perform the BX instruction on + an older processor, because that kind of processor will never be + interworked, and a return address with the bottom bit set will never + be generated. + + In addition, we do not actually assemble the BX instruction as this would + require us to tell the assembler that the processor is an ARM7TDMI and + it would store this information in the binary. We want this binary to be + able to be linked with binaries compiled for older processors however, so + we do not want such information stored there. + + If we are running using the APCS-26 convention however, then we never + test the bottom bit, because this is part of the processor status. + Instead we just do a normal return, since we know that we cannot be + returning to a Thumb caller - the Thumb does not support APCS-26. + + Function entry is much simpler. If we are compiling for the Thumb we + just switch into ARM mode and then drop through into the rest of the + function. The function exit code will take care of the restore to + Thumb mode. */ + +#ifdef __APCS_26__ +#define RET movs pc, lr +#else +#define RET tst lr, #1; \ + moveq pc, lr ; \ +.word 0xe12fff1e /* bx lr */ +#endif + +#ifdef __thumb__ +#define MODE .thumb_func +.macro PROLOGUE name + bx pc + nop + .code 32 +SYM (.arm_start_of.\name): +.endm +#else +#define MODE .code 32 +.macro PROLOGUE name +.endm +#endif + +.macro FUNC_START name + .text + .align 2 + MODE + .globl SYM (\name) + TYPE (\name) +SYM (\name): + PROLOGUE \name +.endm + +.macro FUNC_END name + RET + SIZE (\name) +.endm + +/* -------------------------------------------------------------------- + int setjmp (jmp_buf); + -------------------------------------------------------------------- */ + + FUNC_START setjmp + + /* Save all the callee-preserved registers into the jump buffer. */ + stmea a1!, { v1-v7, fp, ip, sp, lr } + +#if 0 /* Simulator does not cope with FP instructions yet. */ +#ifndef __SOFTFP__ + /* Save the floating point registers. */ + sfmea f4, 4, [a1] +#endif +#endif + /* When setting up the jump buffer return 0. */ + mov a1, #0 + + FUNC_END setjmp + +/* -------------------------------------------------------------------- + volatile void longjmp (jmp_buf, int); + -------------------------------------------------------------------- */ + + FUNC_START longjmp + + /* If we have stack extension code it ought to be handled here. */ + + /* Restore the registers, retrieving the state when setjmp() was called. */ + ldmfd a1!, { v1-v7, fp, ip, sp, lr } + +#if 0 /* Simulator does not cope with FP instructions yet. */ +#ifndef __SOFTFP__ + /* Restore floating point registers as well. */ + lfmfd f4, 4, [a1] +#endif +#endif + /* Put the return value into the integer result register. + But if it is zero then return 1 instead. */ + movs a1, a2 + moveq a1, #1 + + FUNC_END longjmp + diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/swi.h newlib-1.9.0/newlib/libc/sys/agb/swi.h --- original/newlib-1.9.0/newlib/libc/sys/agb/swi.h Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/swi.h Thu Oct 25 22:04:20 2001 @@ -0,0 +1,65 @@ + +/***************************************************************************\ +* SWI numbers * +\***************************************************************************/ + +/* SWI numbers for RDP (Demon) monitor */ +#define SWI_WriteC 0x0 +#define SWI_Write0 0x2 +#define SWI_ReadC 0x4 +#define SWI_CLI 0x5 +#define SWI_GetEnv 0x10 +#define SWI_Exit 0x11 +#define SWI_EnterOS 0x16 + +#define SWI_GetErrno 0x60 +#define SWI_Clock 0x61 +#define SWI_Time 0x63 +#define SWI_Remove 0x64 +#define SWI_Rename 0x65 +#define SWI_Open 0x66 + +#define SWI_Close 0x68 +#define SWI_Write 0x69 +#define SWI_Read 0x6a +#define SWI_Seek 0x6b +#define SWI_Flen 0x6c + +#define SWI_IsTTY 0x6e +#define SWI_TmpNam 0x6f +#define SWI_InstallHandler 0x70 +#define SWI_GenerateError 0x71 + + +/* Now the SWI numbers and reason codes for RDI (Angel) monitors */ +#define AngelSWI_ARM (0x123456) +#ifdef __thumb__ +#define AngelSWI (0xAB) +#else +#define AngelSWI AngelSWI_ARM +#endif + +/* The reason codes: */ +#define AngelSWI_Reason_Open (0x01) +#define AngelSWI_Reason_Close (0x02) +#define AngelSWI_Reason_WriteC (0x03) +#define AngelSWI_Reason_Write0 (0x04) +#define AngelSWI_Reason_Write (0x05) +#define AngelSWI_Reason_Read (0x06) +#define AngelSWI_Reason_ReadC (0x07) +#define AngelSWI_Reason_IsTTY (0x09) +#define AngelSWI_Reason_Seek (0x0A) +#define AngelSWI_Reason_FLen (0x0C) +#define AngelSWI_Reason_TmpNam (0x0D) +#define AngelSWI_Reason_Remove (0x0E) +#define AngelSWI_Reason_Rename (0x0F) +#define AngelSWI_Reason_Clock (0x10) +#define AngelSWI_Reason_Time (0x11) +#define AngelSWI_Reason_System (0x12) +#define AngelSWI_Reason_Errno (0x13) +#define AngelSWI_Reason_GetCmdLine (0x15) +#define AngelSWI_Reason_HeapInfo (0x16) +#define AngelSWI_Reason_EnterSVC (0x17) +#define AngelSWI_Reason_ReportException (0x18) +#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) +#define ADP_Stopped_RunTimeError ((2 << 16) + 34) diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/sys/param.h newlib-1.9.0/newlib/libc/sys/agb/sys/param.h --- original/newlib-1.9.0/newlib/libc/sys/agb/sys/param.h Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/sys/param.h Thu Oct 25 22:04:20 2001 @@ -0,0 +1,10 @@ +/* ARM configuration file; HZ is 100 rather than the default 60 */ + +#ifndef _SYS_PARAM_H +# define _SYS_PARAM_H + +# define HZ (100) +# define NOFILE (60) +# define PATHSIZE (1024) + +#endif diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/syscalls.c newlib-1.9.0/newlib/libc/sys/agb/syscalls.c --- original/newlib-1.9.0/newlib/libc/sys/agb/syscalls.c Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/syscalls.c Thu Oct 25 22:24:24 2001 @@ -0,0 +1,144 @@ +/* Support files for GNU libc. Files in the system namespace go here. + Files in the C namespace (ie those that do not start with an + underscore) go in .c. */ + +#include <_ansi.h> +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Forward prototypes. */ +int isatty _PARAMS ((int)); +clock_t _times _PARAMS ((struct tms *)); +int _gettimeofday _PARAMS ((struct timeval *, struct timezone *)); +void _raise _PARAMS ((void)); +int _unlink _PARAMS ((void)); +int _link _PARAMS ((void)); +int _fstat _PARAMS ((int, struct stat *)); +caddr_t _sbrk _PARAMS ((int)); +int _getpid _PARAMS ((int)); +int _kill _PARAMS ((int, int)); +void _exit _PARAMS ((int)); +int _close _PARAMS ((int)); +int _open _PARAMS ((const char *, int, ...)); +int _write _PARAMS ((int, char *, int)); +int _lseek _PARAMS ((int, int, int)); +int _read _PARAMS ((int, char *, int)); + +/* Register name faking - works in collusion with the linker. */ +register char * stack_ptr asm ("sp"); + +int _read (int file, char * ptr, int len) +{ + errno = EBADF; + return -1; +} + +int _lseek (int file, int ptr, int dir) +{ + errno = EBADF; + return -1; +} + +int _write (int file, char * ptr, int len) +{ + errno = EBADF; + return -1; +} + +int _open (const char * path, int flags, ... ) +{ + errno = EMFILE; + return -1; +} + +int _close (int file) +{ + errno = EBADF; + return -1; +} + +void _exit (int n) +{ + /* TODO: this can probably be implemented in some way for the AGB */ +} + +int _kill (int n, int m) +{ + errno = EINVAL; + return -1; +} + +int _getpid (int n) +{ + return 1; +} + +caddr_t _sbrk (int incr) +{ + extern char end asm ("__eheap_start"); /* Defined by the linker. */ + extern char limit asm ("__eheap_end"); /* Defined by linker. */ + static char * heap_end; + char * prev_heap_end; + + if (heap_end == NULL) + heap_end = &end; + + if ((heap_end + incr) < &limit) { + prev_heap_end = heap_end; + heap_end += incr; + + return (caddr_t) prev_heap_end; + } + else { + errno = ENOMEM; + + return -1; + } +} + +int _fstat (int file, struct stat * st) +{ + errno = EBADF; + return -1; +} + +int _link (void) +{ + errno = ENOENT; + return -1; +} + +int _unlink (void) +{ + errno = ENOENT; + return -1; +} + +void _raise (void) +{ + return; +} + +int _gettimeofday (struct timeval * tp, struct timezone * tzp) +{ + errno = EINVAL; + return -1; +} + +clock_t _times (struct tms * tp) +{ + errno = EINVAL; + return (clock_t) -1; +} + +int isatty (int fd) +{ + return 0; +} diff --new-file --recursive --unified=3 original/newlib-1.9.0/newlib/libc/sys/agb/trap.S newlib-1.9.0/newlib/libc/sys/agb/trap.S --- original/newlib-1.9.0/newlib/libc/sys/agb/trap.S Wed Dec 31 18:00:00 1969 +++ newlib-1.9.0/newlib/libc/sys/agb/trap.S Thu Oct 25 22:04:20 2001 @@ -0,0 +1,93 @@ + /* Run-time exception support */ +#include "swi.h" + +/* .text is used instead of .section .text so it works with arm-aout too. */ + .text + .align 0 + .global __rt_stkovf_split_big + .global __rt_stkovf_split_small + +/* The following functions are provided for software stack checking. + If hardware stack-checking is being used then the code can be + compiled without the PCS entry checks, and simply rely on VM + management to extend the stack for a thread. + + The stack extension event occurs when the PCS function entry code + would result in a stack-pointer beneath the stack-limit register + value. The system relies on the following map: + + +-----------------------------------+ <-- end of stack block + | ... | + | ... | + | active stack | + | ... | <-- sp (stack-pointer) somewhere in here + | ... | + +-----------------------------------+ <-- sl (stack-limit) + | stack-extension handler workspace | + +-----------------------------------+ <-- base of stack block + + The "stack-extension handler workspace" is an amount of memory in + which the stack overflow support code must execute. It must be + large enough to deal with the worst case path through the extension + code. At the moment the compiler expects this to be AT LEAST + 256bytes. It uses this fact to code functions with small local + data usage within the overflow space. + + In a true target environment We may need to increase the space + between sl and the true limit to allow for the stack extension + code, SWI handlers and for undefined instruction handlers of the + target environment. */ + +__rt_stkovf_split_small: + mov ip,sp @ Ensure we can calculate the stack required + @ and fall through to... +__rt_stkovf_split_big: + @ in: sp = current stack-pointer (beneath stack-limit) + @ sl = current stack-limit + @ ip = low stack point we require for the current function + @ lr = return address into the current function + @ fp = frame-pointer + @ original sp --> +----------------------------------+ + @ | pc (12 ahead of PCS entry store) | + @ current fp ---> +----------------------------------+ + @ | lr (on entry) pc (on exit) | + @ +----------------------------------+ + @ | sp ("original sp" on entry) | + @ +----------------------------------+ + @ | fp (on entry to function) | + @ +----------------------------------+ + @ | | + @ | ..argument and work registers.. | + @ | | + @ current sp ---> +----------------------------------+ + @ + @ The "current sl" is somewhere between "original sp" and "current sp" + @ but above "true sl". The "current sl" should be at least 256bytes + @ above the "true sl". The 256byte stack guard should be large enough + @ to deal with the worst case function entry stacking (160bytes) plus + @ the stack overflow handler stacking requirements, plus the stack + @ required for the memory allocation routines. + @ + @ Normal PCS entry (before stack overflow check) can stack 16 + @ standard registers (64bytes) and 8 floating point registers + @ (96bytes). This gives a minimum stack guard of 160bytes (excluding + @ the stack required for the code). (Actually only a maximum of + @ 14standard registers are ever stacked on entry to a function). + @ + @ NOTE: Structure returns are performed by the caller allocating a + @ dummy space on the stack and passing in a "phantom" arg1 into + @ the function. This means that we do not need to worry about + @ preserving the stack under "sp" even on function return. + @ + @ Code should never poke values beneath sp. The sp register + @ should always be "dropped" first to cover the data. This + @ protects the data against any events that may try and use + @ the stack. + + SUB ip, sp, ip @ extra stack required for function + @ Add stack extension code here. If desired a new stack chunk + @ can be allocated, and the register state updated suitably. + + @ We now know how much extra stack the function requires. + @ Terminate the program for the moment: + swi SWI_Exit