20000317 sourceware import
This commit is contained in:
Ranjith Kumaran
143
libgloss/fr30/Makefile.in
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143
libgloss/fr30/Makefile.in
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#
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#
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VPATH = @srcdir@ @srcdir@/..
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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SHELL = /bin/sh
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CC = @CC@
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AS = @AS@
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AR = @AR@
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LD = @LD@
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RANLIB = @RANLIB@
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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OBJS = putnum.o unlink.o
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CFLAGS = -g
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SCRIPTS =
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# Here is all of the simulator stuff
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SIM_SCRIPTS =
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SIM_LDFLAGS =
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SIM_BSP = libsim.a
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SIM_CRT0 = crt0.o
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SIM_OBJS = syscalls.o
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SIM_TEST = sim-test
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SIM_INSTALL = install-sim
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# Here is all of the mon960 stuff
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MON_LDFLAGS =
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MON_BSP = libmon960.a
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MON_CRT0 = crt0.o
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MON_OBJS =
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MON_SCRIPTS = mon960.ld
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MON_TEST =
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MON_INSTALL = install-mon
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# Host specific makefile fragment comes in here.
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@host_makefile_frag@
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#
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# build a test program for each target board. Just trying to get
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# it to link is a good test, so we ignore all the errors for now.
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#
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# all: ${MON_CRT0} ${MON_BSP}
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all: ${SIM_CRT0} ${SIM_BSP}
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#
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# here's where we build the board support packages for each target
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#
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${SIM_BSP}: ${OBJS} ${SIM_OBJS}
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${AR} ${ARFLAGS} ${SIM_BSP} ${SIM_OBJS} ${OBJS}
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${RANLIB} ${SIM_BSP}
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${MON_BSP}: ${OBJS} ${MON_OBJS}
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${AR} ${ARFLAGS} ${MON_BSP} ${MON_OBJS} ${OBJS}
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${RANLIB} ${MON_BSP}
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#
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# here's where we build the test programs for each target
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#
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.PHONY: test
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test: ${SIM_TEST} ${MVME_TEST} ${EVM_TEST}
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sim-test: sim-test.x sim-test.dis
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sim-test.x: test.o ${SIM_CRT0} ${SIM_BSP}
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${CC} ${LDFLAGS_FOR_TARGET} -L${objdir} \
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${SIM_CRT0} test.o \
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-o sim-test.x ${LIBS_FOR_TARGET} -lc ${SIM_BSP}
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sim-test.dis: sim-test.x
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${OBJDUMP} -d sim-test.x > sim-test.dis
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#
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#
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#
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.c.S:
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${CC} ${CFLAGS_FOR_TARGET} -c $<
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simulator.o: simulator.S
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sim-crt0.o: sim-crt0.S
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mvme-crt0.o: mvme-crt0.S
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mvme-exit.o: mvme-exit.S
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mvme-inbyte.o: mvme-inbyte.S
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mvme-outbyte.o: mvme-outbyte.S
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clean mostlyclean:
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rm -f a.out core *.i *.o *-test *.srec *.dis *.x $(SIM_BSP) $(MON_BSP)
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.status *~
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.PHONY: install info install-info clean-info
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install: ${SIM_INSTALL}
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install-mon:
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set -e; for x in ${MON_CRT0} ${MON_BSP}; do ${INSTALL_DATA} $$x ${tooldir}/lib${MULTISUBDIR}/$$x; done
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set -e; for x in ${MON_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/$$x ${tooldir}/lib${MULTISUBDIR}/$$x; done
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install-sim:
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set -e; for x in ${SIM_CRT0} ${SIM_BSP} ${SIM_SCRIPTS}; do ${INSTALL_DATA} $$x ${tooldir}/lib/$$x; done
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doc:
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info:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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1219
libgloss/fr30/configure
vendored
Executable file
1219
libgloss/fr30/configure
vendored
Executable file
File diff suppressed because it is too large
Load Diff
75
libgloss/fr30/configure.in
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75
libgloss/fr30/configure.in
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.5)dnl
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AC_INIT(crt0.s)
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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if test "$srcdir" = "." ; then
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mdir=`echo "${with_multisubdir}/" \
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| sed -e 's,\([[^/]][[^/]]*\),..,g' -e 's,^/$,,'`
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AC_CONFIG_AUX_DIR(${mdir}../../..)
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else
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AC_CONFIG_AUX_DIR(${srcdir}/../..)
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fi
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AC_PROG_INSTALL
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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable. This should really be fixed in autoconf
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# itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_CHECK_PROG(CC, gcc, gcc)
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if test -z "$CC"; then
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AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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AC_PROG_CC_G
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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elif test $ac_cv_prog_cc_g = yes; then
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CFLAGS="-g -O2"
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else
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CFLAGS="-O2"
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fi
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else
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GCC=
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test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CC
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AS=${AS-as}
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AC_SUBST(AS)
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AR=${AR-ar}
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AC_SUBST(AR)
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LD=${LD-ld}
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AC_SUBST(LD)
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AC_PROG_RANLIB
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host_makefile_frag=${srcdir}/../config/default.mh
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dnl We have to assign the same value to other variables because autoconf
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dnl doesn't provide a mechanism to substitute a replacement keyword with
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dnl arbitrary data or pathnames.
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dnl
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host_makefile_frag_path=$host_makefile_frag
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AC_SUBST(host_makefile_frag_path)
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AC_SUBST_FILE(host_makefile_frag)
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AC_OUTPUT(Makefile)
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46
libgloss/fr30/crt0.s
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46
libgloss/fr30/crt0.s
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@@ -0,0 +1,46 @@
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# FR30 startup code
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.section .text
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.global _start
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_start:
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;; Initialise the stack pointer
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ldi:32 __stack, r0
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mov r0, sp
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mov r0, fp
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;; Zero the data space
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ldi:32 #_edata, r0
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ldi:32 #_end, r1
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ldi:8 #0, r2
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.L0:
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st r2, @r0
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add #4, r0
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cmp r1, r0
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blt .L0
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;; Call global and static constructors
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ldi:32 _init, r0
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call @r0
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;; Setup destrcutors to be called from exit.
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;; (Just in case main never returns....)
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ldi:32 atexit, r0
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ldi:32 _fini, r4
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call @r0
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;; Initialise argc, argv and envp to empty
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ldi:8 #0, r4
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ldi:8 #0, r5
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ldi:8 #0, r6
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;; Call main
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ldi:32 main, r0
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call @r0
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;; Jump to exit
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ldi:32 exit, r0
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call @r0
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;; Should never reach here
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int #9
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162
libgloss/fr30/syscalls.c
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162
libgloss/fr30/syscalls.c
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@@ -0,0 +1,162 @@
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/* FR30 system call emulation code
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Copyright (C) 1998 Free Software Foundation, Inc.
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Contributed by Cygnus Solutions.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sys/stat.h>
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#include "../syscall.h"
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int
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_read (file, ptr, len)
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int file;
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char * ptr;
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int len;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_read) : "r0");
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asm ("int #10");
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return;
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}
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int
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_lseek (file, ptr, dir)
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int file;
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int ptr;
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int dir;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_lseek) : "r0");
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asm ("int #10");
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return;
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}
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int
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_write (file, ptr, len)
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int file;
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char * ptr;
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int len;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_write) : "r0");
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asm ("int #10");
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return;
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}
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int
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_open (path, flags)
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const char * path;
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int flags;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_open) : "r0");
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asm ("int #10");
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return;
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}
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int
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_close (file)
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int file;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_close) : "r0");
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asm ("int #10");
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return 0;
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}
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void
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_exit (n)
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int n;
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{
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asm ("ldi:8 %0, r0" :: "i" (SYS_exit) : "r0");
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asm ("int #10");
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}
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caddr_t
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_sbrk (incr)
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int incr;
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{
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extern char end asm ("_end"); /* Defined by the linker */
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extern int __stack; /* Defined by linker script. */
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static char * heap_end;
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char * prev_heap_end;
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if (heap_end == NULL)
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heap_end = & end;
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prev_heap_end = heap_end;
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#if 0
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if (heap_end + incr > __stack)
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{
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_write ( 1, "_sbrk: Heap and stack collision\n", 32);
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abort ();
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}
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#endif
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heap_end += incr;
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return (caddr_t) prev_heap_end;
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}
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int
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_fstat (file, st)
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int file;
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struct stat * st;
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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int
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_unlink ()
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{
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return -1;
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}
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int
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isatty (fd)
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int fd;
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{
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return 0;
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}
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int
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_raise ()
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{
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return 0;
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}
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int
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_times ()
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{
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return 0;
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}
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int
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_kill (pid, sig)
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int pid;
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int sig;
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{
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return 0;
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}
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int
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_getpid (void)
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{
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return 0;
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}
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Block a user