From 648365e0e990489ecff21af17b743e74417aab3b Mon Sep 17 00:00:00 2001 From: Jojo R Date: Fri, 25 Sep 2020 11:01:25 -0400 Subject: Add C-SKY port for libgloss This patch contain all libgloss for C-SKY Contributor list: - Lifang Xia - Jojo R - Xianmiao Qu - Yunhai Shang --- libgloss/configure | 5 + libgloss/configure.in | 3 + libgloss/csky/Makefile.in | 128 + libgloss/csky/aclocal.m4 | 409 ++++ libgloss/csky/configure | 4900 +++++++++++++++++++++++++++++++++++++++ libgloss/csky/configure.in | 93 + libgloss/csky/crt0.S | 180 ++ libgloss/csky/getpid.c | 22 + libgloss/csky/io-close.c | 43 + libgloss/csky/io-exit.c | 29 + libgloss/csky/io-fstat.c | 50 + libgloss/csky/io-gdb.c | 140 ++ libgloss/csky/io-gettimeofday.c | 55 + libgloss/csky/io-isatty.c | 43 + libgloss/csky/io-lseek.c | 49 + libgloss/csky/io-open.c | 62 + libgloss/csky/io-read.c | 48 + libgloss/csky/io-rename.c | 51 + libgloss/csky/io-semi.S | 22 + libgloss/csky/io-stat.c | 54 + libgloss/csky/io-system.c | 62 + libgloss/csky/io-time.c | 44 + libgloss/csky/io-unlink.c | 47 + libgloss/csky/io-write.c | 48 + libgloss/csky/io.h | 154 ++ libgloss/csky/kill.c | 27 + libgloss/csky/sbrk.c | 37 + 27 files changed, 6805 insertions(+) create mode 100644 libgloss/csky/Makefile.in create mode 100644 libgloss/csky/aclocal.m4 create mode 100755 libgloss/csky/configure create mode 100644 libgloss/csky/configure.in create mode 100644 libgloss/csky/crt0.S create mode 100644 libgloss/csky/getpid.c create mode 100644 libgloss/csky/io-close.c create mode 100644 libgloss/csky/io-exit.c create mode 100644 libgloss/csky/io-fstat.c create mode 100644 libgloss/csky/io-gdb.c create mode 100644 libgloss/csky/io-gettimeofday.c create mode 100644 libgloss/csky/io-isatty.c create mode 100644 libgloss/csky/io-lseek.c create mode 100644 libgloss/csky/io-open.c create mode 100644 libgloss/csky/io-read.c create mode 100644 libgloss/csky/io-rename.c create mode 100644 libgloss/csky/io-semi.S create mode 100644 libgloss/csky/io-stat.c create mode 100644 libgloss/csky/io-system.c create mode 100644 libgloss/csky/io-time.c create mode 100644 libgloss/csky/io-unlink.c create mode 100644 libgloss/csky/io-write.c create mode 100644 libgloss/csky/io.h create mode 100644 libgloss/csky/kill.c create mode 100644 libgloss/csky/sbrk.c (limited to 'libgloss') diff --git a/libgloss/configure b/libgloss/configure index 0d2918c..816b9c4 100755 --- a/libgloss/configure +++ b/libgloss/configure @@ -667,6 +667,7 @@ CCASFLAGS' ac_subdirs_all='doc aarch64 arc +csky epiphany i386 m32r @@ -2410,6 +2411,10 @@ case "${target}" in subdirs="$subdirs arc" ;; + csky*-*-*) + subdirs="$subdirs csky" + + ;; epiphany-*-*) subdirs="$subdirs epiphany" diff --git a/libgloss/configure.in b/libgloss/configure.in index f38d529..4111724 100644 --- a/libgloss/configure.in +++ b/libgloss/configure.in @@ -41,6 +41,9 @@ case "${target}" in arc*-*-*) AC_CONFIG_SUBDIRS(arc) ;; + csky*-*-*) + AC_CONFIG_SUBDIRS(csky) + ;; epiphany-*-*) AC_CONFIG_SUBDIRS(epiphany) config_testsuite=true diff --git a/libgloss/csky/Makefile.in b/libgloss/csky/Makefile.in new file mode 100644 index 0000000..d3f6ce5 --- /dev/null +++ b/libgloss/csky/Makefile.in @@ -0,0 +1,128 @@ +# Copyright (c) 1995, 1996, 2001 Cygnus Support -*- mode:makefile -*- +# +# The authors hereby grant permission to use, copy, modify, distribute, +# and license this software and its documentation for any purpose, provided +# that existing copyright notices are retained in all copies and that this +# notice is included verbatim in any distributions. No written agreement, +# license, or royalty fee is required for any of the authorized uses. +# Modifications to this software may be copyrighted by their authors +# and need not follow the licensing terms described here, provided that +# the new terms are clearly indicated on the first page of each file where +# they apply. +# +# csky semihosting support. +# + +DESTDIR = +VPATH = @srcdir@ +srcdir = @srcdir@ +objdir = . +srcroot = $(srcdir)/../.. +objroot = $(objdir)/../.. + +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +host_alias = @host_alias@ +target_alias = @target_alias@ +program_transform_name = @program_transform_name@ + +bindir = @bindir@ +libdir = @libdir@ +tooldir = $(exec_prefix)/$(target_alias) + +# Multilib support variables. +# TOP is used instead of MULTI{BUILD,SRC}TOP. +MULTIDIRS = +MULTISUBDIR = +MULTIDO = true +MULTICLEAN = true + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_DATA = @INSTALL_DATA@ + +SHELL = /bin/sh + +CC = @CC@ + +AS = @AS@ +AR = @AR@ +LD = @LD@ +RANLIB = @RANLIB@ +AR_FLAGS = qv + +OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ + then echo ${objroot}/../binutils/objdump ; \ + else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` +OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ + then echo ${objroot}/../binutils/objcopy ; \ + else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` + +DO = @DO@ + +CRT0=crt0.S + +# +# here's all the hosted stuff +# +HOSTED_BSP= libsemi.a +HOSTED_SRS= io-semi.S +HOSTED_SRC= sbrk.c io-gdb.c io-exit.c io-close.c io-fstat.c io-gettimeofday.c \ + io-lseek.c io-read.c io-system.c io-unlink.c io-exit.c \ + io-gdb.c io-isatty.c io-open.c io-rename.c io-stat.c \ + io-time.c io-write.c kill.o getpid.o +HOSTED_OBJS= $(patsubst %.c,%.o,$(HOSTED_SRC)) + +INCLUDES+= -I/home/xialf/workspace/newlib-2.5.0.20171222/newlib/libc/include + +# Host specific makefile fragment comes in here. +@host_makefile_frag@ + +all :: $(HOSTED_BSP) + +# +# here's where we build the board support packages for each target +# + +# build hosted library +$(HOSTED_OBJS) : %.o : %.c + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -nostdlib -DHOSTED=1 $(INCLUDES) -c $< -o $@ +$(HOSTED_SRS:%.S=%.o): %.o : %.S + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -nostdlib -DHOSTED=1 $(INCLUDES) -c $< -o $@ + +$(HOSTED_BSP): $(HOSTED_OBJS) $(HOSTED_SRS:%.S=%.o) + ${AR} ${ARFLAGS} $@ $^ + ${RANLIB} $@ + +crt0.o: $(CRT0) + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -c $< -o $@ + +.PHONY: install info dvi doc install-info clean-info +install:: $(DO:%=install_%) crt0.o + $(INSTALL_PROGRAM) crt0.o $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(crt0.o) + +$(DO:%=install_%): install_hosted + +.PHONY:install_hosted +install_hosted:: + $(INSTALL_PROGRAM) $(HOSTED_BSP) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(HOSTED_BSP) + +# target specific makefile fragment comes in here. +@target_makefile_frag@ + +clean mostlyclean: + rm -f a.out core *.i *~ *.a *.o *-test *.srec *.dis *.x *.map + +distclean maintainer-clean realclean: clean + rm -f Makefile config.cache config.log config.status + +info dvi doc: +install-info: +clean-info: + +Makefile: Makefile.in config.status @host_makefile_frag_path@ @target_makefile_frag_path@ + $(SHELL) config.status + +config.status: configure + $(SHELL) config.status --recheck diff --git a/libgloss/csky/aclocal.m4 b/libgloss/csky/aclocal.m4 new file mode 100644 index 0000000..6ba6210 --- /dev/null +++ b/libgloss/csky/aclocal.m4 @@ -0,0 +1,409 @@ +# generated automatically by aclocal 1.11.6 -*- Autoconf -*- + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, +# Inc. +# This file is free software; 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" >&6; } +if ${am_cv_CC_dependencies_compiler_type+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok `-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_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 $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -z "$CC" && as_fn_error $? "no acceptable cc found in \$PATH" "$LINENO" 5 +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU C" >&5 +$as_echo_n "checking whether we are using GNU C... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } | egrep yes >/dev/null 2>&1; then + ac_cv_c_compiler_gnu=yes +else + ac_cv_c_compiler_gnu=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } + +if test $ac_cv_c_compiler_gnu = yes; then + GCC=yes + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi + if test "$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 + + +AS=${AS-as} + +AR=${AR-ar} + +LD=${LD-ld} + +if test -n "$ac_tool_prefix"; then + # 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 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target cpu family" >&5 +$as_echo_n "checking target cpu family... " >&6; } +DO=csky +saved_LDFLAGS="$LDFLAGS" +LDFLAGS="-nostdlib -e main" +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_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 $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... 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We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... 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Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. 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"could not create $ac_file" "$LINENO" 5 + ;; + + + :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +$as_echo "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Autoconf 2.62 quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + case $CONFIG_FILES in + *\'*) eval set x "$CONFIG_FILES" ;; + *) set x $CONFIG_FILES ;; + esac + shift + for mf + do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named `Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # Grep'ing the whole file is not good either: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then + dirpart=`$as_dirname -- "$mf" || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running `make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # When using ansi2knr, U may be empty or an underscore; expand it + U=`sed -n 's/^U = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + "Makefile":F) . ${libgloss_topdir}/config-ml.in ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + diff --git a/libgloss/csky/configure.in b/libgloss/csky/configure.in new file mode 100644 index 0000000..e24bd7d --- /dev/null +++ b/libgloss/csky/configure.in @@ -0,0 +1,93 @@ +# Copyright (c) 1995, 1996 Cygnus Support +# +# The authors hereby grant permission to use, copy, modify, distribute, +# and license this software and its documentation for any purpose, provided +# that existing copyright notices are retained in all copies and that this +# notice is included verbatim in any distributions. No written agreement, +# license, or royalty fee is required for any of the authorized uses. +# Modifications to this software may be copyrighted by their authors +# and need not follow the licensing terms described here, provided that +# the new terms are clearly indicated on the first page of each file where +# they apply. +# +# process this file with autoconf to produce a configure script. +AC_PREREQ(2.59) +AC_INIT(crt0.S) + +if test "${enable_shared}" = "yes" ; then + echo "Shared libraries not supported for cross compiling, ignored" +fi + +if test "$srcdir" = "." ; then + if test "${with_target_subdir}" != "." ; then + libgloss_topdir="${with_multisrctop}../../.." + else + libgloss_topdir="${with_multisrctop}../.." + fi +else + libgloss_topdir="${srcdir}/../.." +fi + +AC_CONFIG_AUX_DIR($libgloss_topdir) +AC_CANONICAL_SYSTEM +AC_ARG_PROGRAM + +AC_PROG_INSTALL + +LIB_AC_PROG_CC + +AS=${AS-as} +AC_SUBST(AS) +AR=${AR-ar} +AC_SUBST(AR) +LD=${LD-ld} +AC_SUBST(LD) +AC_PROG_RANLIB +LIB_AM_PROG_AS + +AC_MSG_CHECKING([target cpu family]) +DO=csky +dnl Temporarily modify LDFLAGS so that link tests will succeed without +dnl a C library. Note that we may not have a C librabry yet and that +dnl autoconf automatically adds script to check whether we can create +dnl an executable or not. +dnl +saved_LDFLAGS="$LDFLAGS" +LDFLAGS="-nostdlib -e main" +AC_PREPROC_IFELSE([#ifndef __mcoldfire__ + #error we are not coldfire + #endif], + DO="cf",) +AC_PREPROC_IFELSE([#ifndef __mfido__ + #error we are not fido + #endif], + DO="fido",) +LDFLAGS=$saved_LDFLAGS +AC_MSG_RESULT($DO) +AC_SUBST(DO) + +host_makefile_frag=${srcdir}/../config/default.mh +target_makefile_frag=${srcdir}/../config/default.mt + +dnl We have to assign the same value to other variables because autoconf +dnl doesn't provide a mechanism to substitute a replacement keyword with +dnl arbitrary data or pathnames. +dnl +host_makefile_frag_path=$host_makefile_frag +AC_SUBST(host_makefile_frag_path) +AC_SUBST_FILE(host_makefile_frag) +target_makefile_frag_path=$target_makefile_frag +AC_SUBST(target_makefile_frag_path) +AC_SUBST_FILE(target_makefile_frag) + +AC_CONFIG_FILES(Makefile, +. ${libgloss_topdir}/config-ml.in, +srcdir=${srcdir} +target=${target} +with_multisubdir=${with_multisubdir} +ac_configure_args="${ac_configure_args} --enable-multilib" +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +libgloss_topdir=${libgloss_topdir} +) +AC_OUTPUT + diff --git a/libgloss/csky/crt0.S b/libgloss/csky/crt0.S new file mode 100644 index 0000000..a0651a7 --- /dev/null +++ b/libgloss/csky/crt0.S @@ -0,0 +1,180 @@ +/* + * crt0.S -- startup codes for CK-CPU. + * + * Define a exception vector table + * + * Initial PSR register. + * Initial VBR register, relocate exception vector table. + * Initial sp(stack pointer) register. + * Initial MGU (for ckcpu having MGU) + * Initial Cache. + * Initial SPM (for ckcpu having SPM). + * Initial BSS section to "0" + * Then goto "main". + * + * Copyright (c) 2020 C-SKY Microsystems All rights reserved. + */ + +.file "crt0.S" +/* + * MGU & CACHE macro from "ck5a6.h" + * + * CONFIG_CKCPU_MGU_BLOCKS ---- MGU block priority setting value + * CONFIG_CKCPU_MGU_REGION(1-4) + * ---- MGU (1-4) block base address and size. + * CONFIG_CKCPU_ICACHE ---- Instruction cache enable + * CONFIG_CKCPU_DCACHE ---- Data cache enable + * + * SPM macro from "ck5a6.h" + * + * CONFIG_CKCPU_SPM ---- CKCPU having SPM ? + * CONFIG_CKCPU_SPM_ENABLE ---- SPM Enable + * CONFIG_CKCPU_ISPM_MODE ---- Instruction SPM Mode(cache/local memory) + * CONFIG_CKCPU_DSPM_MODE ---- Data SPM Mode (cache/local memory) + * CONFIG_CKCPU_ISPM_ADDRESS + * ---- Instruction SPM external memory base address, + * Just for Local Memory Mode + * CONFIG_CKCPU_DSPM_ADDRESS + * ---- Data SPM external memory base address, Just + * for Local Memory Mode + * CONFIG_CKCPU_ISPM_TRANSFER + * ---- The content in Instruction SPM must be + * initialed, Just for Local Memory Mode + * CONFIG_CKCPU_DSPM_TRANSFER + * ---- The content in Data SPM must be initialed, + * Just for Local Memory Mode + */ + +/* + * For importing variable or functions from script file "ckcpu.ld". + */ +.import __stack /* The stack pointer from linking script file */ +.import __fstack /* The fast interrupt stack from linking script file */ +.import __sbss /* The end of bss from linking script file */ +.import __ebss /* The end of bss from linking script file */ +.import __csky_exit /* For QEMU exit. */ + +/* + * For importing variable or functions from other c or assemble files. + */ +.import main /* The c codes entry */ +.import spm_init /* Initial ckcpu SPM */ +.import exit +.import __libc_init_array + +/* + * For importing variable or functions from entry.S. + */ +/* default exception service routine */ +/* +.import default_exception_handler +*/ + +/* For exporting varialbe or functions */ +.export ckcpu_vsr_table /* Vector table base address. */ +.export __start /* The system entry. */ + +.text +/* Vector table space. */ +.align 10 +ckcpu_vsr_table: +.rept 128 +.long __default_exception_handler +.endr + +/* The ckcpu startup codes. */ +.text + /* + * + * This is the codes first entry point. This is where it all + * begins... + */ +.long __start + +__start: + /* + * Init psr value, enable exception, disable interrupt and fast interrupt. + * psr = 0x80000100 + */ + lrw r7, 0 + bseti r7, 31 + bseti r7, 8 + mtcr r7, psr + + /* + * Setup initial vector base table for interrupts and exceptions + */ + lrw r6, ckcpu_vsr_table + mtcr r6, vbr + + /* Initialize the normal stack pointer from the linker definition. */ + lrw r7, __stack + mov sp, r7 + +#ifdef FAST_INTERRUPT_ENABLE + /* Initialize the fast interrupt stack pointer . */ + psrset af + lrw r6, __fstack + mov sp, r6 + psrclr af +#endif + + /* + * Initial CKCPU MGU & Cache + * Step 1: Disable MGU & Cache. + */ + movi r7, 0 + mtcr r7, cr18 + +#if 0 + /* + * Zero out the bss region. + * NOTE: __sbss must align 4 + */ + lrw r7, __sbss /* Get start of bss from linking script file */ + lrw r6, __ebss /* Get end of bss from linking script file */ + subu r6, r7 /* Calculate size of bss */ + lsri r6, r6, 2 /* Size of whole words */ + cmpnei r6, 0 + bf __goto_c + movi r5, 0 /* Set zero value to write */ +2: + stw r5, (r7) /* Zero next word */ + addi r7, 4 /* Increase bss pointer */ + subi r6, 1 /* Decrease counter */ + cmpnei r6, 0 + bt 2b /* Repeat for all bss */ +#endif + + /* + * Assember start up done, C codes start here. + */ +__goto_c: + /*jsri main*/ + lrw r5, __libc_init_array + jsr r5 + /*Set the argc and argv to NULL. */ + movi r0, 0 + movi r1, 0 + lrw r5, main + jsr r5 + + /* Should never get here. */ + jbsr exit + +__csky_exit: + br __csky_exit + +__default_exception_handler: + lrw r4, __csky_exit + movi r5, 0x2 + stw r5, (r4, 0) + br __default_exception_handler + rte + +.data +.align 4 +__stack_bottom: +.rept 128 +.long 0x0 +.endr diff --git a/libgloss/csky/getpid.c b/libgloss/csky/getpid.c new file mode 100644 index 0000000..d0ffbba --- /dev/null +++ b/libgloss/csky/getpid.c @@ -0,0 +1,22 @@ +/* + * kill.c + * + * Copyright (c) 2018 Mentor Graphics + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +/* Minimal implementation of getpid for a target system without processes. */ +int +getpid () +{ + return 1; +} diff --git a/libgloss/csky/io-close.c b/libgloss/csky/io-close.c new file mode 100644 index 0000000..77036ee --- /dev/null +++ b/libgloss/csky/io-close.c @@ -0,0 +1,43 @@ +/* + * io-close.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO close +#include "io.h" + +/* + * close -- close a file descriptor. + * input parameters: + * 0 : file descriptor + * output parameters: + * 0 : errno + * result : r0 + */ + +int close (int fd) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret = 0; + parameters[0] = (uint32_t) fd; + ret = __hosted (HOSTED_CLOSE, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + return 0; +#endif +} diff --git a/libgloss/csky/io-exit.c b/libgloss/csky/io-exit.c new file mode 100644 index 0000000..3eee09d --- /dev/null +++ b/libgloss/csky/io-exit.c @@ -0,0 +1,29 @@ +/* + * io-exit.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#if HOSTED +#include "io.h" + +/* + * _exit -- Exit from the application. + */ + +void __attribute__ ((noreturn)) _exit (int code) +{ + while (1) + __hosted (HOSTED_EXIT, (void *)code); +} +#endif diff --git a/libgloss/csky/io-fstat.c b/libgloss/csky/io-fstat.c new file mode 100644 index 0000000..085c3ad --- /dev/null +++ b/libgloss/csky/io-fstat.c @@ -0,0 +1,50 @@ +/* + * io-fstat.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#include +#define IO fstat +#include "io.h" + +/* + * fstat -- get file information + * input parameters: + * 0 : file descriptor + * 1 : stat buf ptr + * output parameters: + * 0 : errno + * result : r0 + */ + +int fstat (int fd, struct stat *buf) +{ +#if HOSTED + gdb_parambuf_t parameters; + struct gdb_stat gbuf; + int ret = 0; + parameters[0] = (uint32_t) fd; + parameters[1] = (uint32_t) &gbuf; + ret = __hosted (HOSTED_FSTAT, parameters); + __hosted_from_gdb_stat (&gbuf, buf); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-gdb.c b/libgloss/csky/io-gdb.c new file mode 100644 index 0000000..a92ac3c --- /dev/null +++ b/libgloss/csky/io-gdb.c @@ -0,0 +1,140 @@ +/* + * hosted io support for GDB's remote fileio protocol + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include "io.h" +#include +#include +#include + +gdb_mode_t +__hosted_to_gdb_mode_t (mode_t m) +{ + gdb_mode_t result = 0; + if (m & S_IFREG) + result |= GDB_S_IFREG; + if (m & S_IFDIR) + result |= GDB_S_IFDIR; + if (m & S_IRUSR) + result |= GDB_S_IRUSR; + if (m & S_IWUSR) + result |= GDB_S_IWUSR; + if (m & S_IXUSR) + result |= GDB_S_IXUSR; + if (m & S_IRGRP) + result |= GDB_S_IRGRP; + if (m & S_IWGRP) + result |= GDB_S_IWGRP; + if (m & S_IXGRP) + result |= GDB_S_IXGRP; + if (m & S_IROTH) + result |= GDB_S_IROTH; + if (m & S_IWOTH) + result |= GDB_S_IWOTH; + if (m & S_IXOTH) + result |= GDB_S_IXOTH; + return result; +} + +int32_t +__hosted_to_gdb_open_flags (int f) +{ + int32_t result = 0; + if (f & O_RDONLY) + result |= GDB_O_RDONLY; + if (f & O_WRONLY) + result |= GDB_O_WRONLY; + if (f & O_RDWR) + result |= GDB_O_RDWR; + if (f & O_APPEND) + result |= GDB_O_APPEND; + if (f & O_CREAT) + result |= GDB_O_CREAT; + if (f & O_TRUNC) + result |= GDB_O_TRUNC; + if (f & O_EXCL) + result |= GDB_O_EXCL; + return result; +} + +int32_t +__hosted_to_gdb_lseek_flags (int f) +{ + if (f == SEEK_CUR) + return GDB_SEEK_CUR; + else if (f == SEEK_END) + return GDB_SEEK_END; + else + return GDB_SEEK_SET; +} + +void +__hosted_from_gdb_stat (const struct gdb_stat *gs, + struct stat *s) +{ + s->st_dev = gs->st_dev; + s->st_ino = gs->st_ino; + s->st_mode = gs->st_mode; + s->st_nlink = gs->st_nlink; + s->st_uid = gs->st_uid; + s->st_gid = gs->st_gid; + s->st_rdev = gs->st_rdev; + s->st_size = gs->st_size; + s->st_blksize = gs->st_blksize; + s->st_blocks = gs->st_blocks; + s->st_atim.tv_sec = gs->st_atim; + s->st_mtim.tv_sec = gs->st_mtim; + s->st_ctim.tv_sec = gs->st_ctim; +} + +void +__hosted_from_gdb_timeval (const struct gdb_timeval *gt, + struct timeval *t) +{ + t->tv_sec = gt->tv_sec; + t->tv_usec = gt->tv_usec; +} + +int +__hosted_from_gdb_errno (int32_t err) +{ + switch (err) + { + case 0: return 0; + case GDB_EPERM: return EPERM; + case GDB_ENOENT: return ENOENT; + case GDB_EINTR: return EINTR; + case GDB_EBADF: return EBADF; + case GDB_EACCES: return EACCES; + case GDB_EFAULT: return EFAULT; + case GDB_EBUSY: return EBUSY; + case GDB_EEXIST: return EEXIST; + case GDB_ENODEV: return ENODEV; + case GDB_ENOTDIR: return ENOTDIR; + case GDB_EISDIR: return EISDIR; + case GDB_EINVAL: return EINVAL; + case GDB_ENFILE: return ENFILE; + case GDB_EMFILE: return EMFILE; + case GDB_EFBIG: return EFBIG; + case GDB_ENOSPC: return ENOSPC; + case GDB_ESPIPE: return ESPIPE; + case GDB_EROFS: return EROFS; + case GDB_ENAMETOOLONG: return ENAMETOOLONG; + case GDB_EUNKNOWN: + default: + return EIO; + } +} + diff --git a/libgloss/csky/io-gettimeofday.c b/libgloss/csky/io-gettimeofday.c new file mode 100644 index 0000000..77f446f --- /dev/null +++ b/libgloss/csky/io-gettimeofday.c @@ -0,0 +1,55 @@ +/* + * io-gettimeofday.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO gettimeofday +#include "io.h" + +/* + * gettimeofday -- get the current time + * input parameters: + * 0 : timeval ptr + * output parameters: + * 0 : errno + * result : r0 + */ + +int gettimeofday (struct timeval *tv, void *tzvp) +{ +#if HOSTED + gdb_parambuf_t parameters; + struct gdb_timeval gtv; + struct timezone *tz = tzvp; + int ret = 0; + if (!tv) + return 0; + if (tz) + { + errno = EINVAL; + return -1; + } + parameters[0] = (uint32_t) >v; + parameters[1] = NULL; + ret = __hosted (HOSTED_GETTIMEOFDAY, parameters); + __hosted_from_gdb_timeval (>v, tv); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-isatty.c b/libgloss/csky/io-isatty.c new file mode 100644 index 0000000..93bd039 --- /dev/null +++ b/libgloss/csky/io-isatty.c @@ -0,0 +1,43 @@ +/* + * io-isatty.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO isatty +#include "io.h" + +/* + * isatty -- check if fd is a terminal + * input parameters: + * 0 : file descriptor + * output parameters: + * 0 : errno + * result : r0 + */ + +int isatty (int fd) +{ +#if HOSTED + gdb_parambuf_t parameters; + parameters[0] = (uint32_t) fd; + int ret; + ret = __hosted (HOSTED_ISATTY, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + return 1; +#endif +} diff --git a/libgloss/csky/io-lseek.c b/libgloss/csky/io-lseek.c new file mode 100644 index 0000000..840544b --- /dev/null +++ b/libgloss/csky/io-lseek.c @@ -0,0 +1,49 @@ +/* + * io-lseek.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#define IO lseek +#include "io.h" + +/* + * lseek -- reposition a file descriptor + * input parameters: + * 0 : file descriptor + * 1 : offset + * 2 : seek flag + * output parameters: + * 0 : errno + * result : r0 + */ + +off_t lseek (int fd, off_t offset, int whence) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) fd; + parameters[1] = (uint32_t) offset; + parameters[2] = __hosted_to_gdb_lseek_flags (whence); + ret = __hosted (HOSTED_LSEEK, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-open.c b/libgloss/csky/io-open.c new file mode 100644 index 0000000..f2f630e --- /dev/null +++ b/libgloss/csky/io-open.c @@ -0,0 +1,62 @@ +/* + * io-open.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#include +#include +#include +#define IO open +#include "io.h" + +/* + * open -- Open a file. + * input parameters: + * 0 : fname ptr + * 1 : fname length + * 2 : flags + * 3 : mode + * output parameters: + * 0 : errno + * result : r0 + */ + +int open (const char *fname, int flags, ...) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) fname; + parameters[1] = strlen (fname); + parameters[2] = __hosted_to_gdb_open_flags (flags); + if (flags & O_CREAT) + { + va_list ap; + va_start (ap, flags); + parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t)); + va_end (ap); + } + else + parameters[3] = 0; + ret =__hosted (HOSTED_OPEN, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-read.c b/libgloss/csky/io-read.c new file mode 100644 index 0000000..1995c4b --- /dev/null +++ b/libgloss/csky/io-read.c @@ -0,0 +1,48 @@ +/* + * semi-read.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO read +#include "io.h" + +/* + * read -- read from a file descriptor + * input parameters: + * 0 : file descriptor + * 1 : buf ptr + * 2 : count + * output parameters: + * 0 : errno + * result : r0 + */ + +ssize_t read (int fd, void *buf, size_t count) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) fd; + parameters[1] = (uint32_t) buf; + parameters[2] = (uint32_t) count; + ret = __hosted (HOSTED_READ, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-rename.c b/libgloss/csky/io-rename.c new file mode 100644 index 0000000..cd587dc --- /dev/null +++ b/libgloss/csky/io-rename.c @@ -0,0 +1,51 @@ +/* + * io-rename.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#define IO rename +#include "io.h" + +/* + * rename -- rename a file + * input parameters: + * 0 : oldname ptr + * 1 : oldname length + * 2 : newname ptr + * 3 : newname length + * output parameters: + * 0 : result + * 1 : errno + */ + +int _rename (const char *oldpath, const char *newpath) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) oldpath; + parameters[1] = (uint32_t) strlen (oldpath); + parameters[2] = (uint32_t) newpath; + parameters[3] = (uint32_t) strlen (newpath); + ret = __hosted (HOSTED_RENAME, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-semi.S b/libgloss/csky/io-semi.S new file mode 100644 index 0000000..d7cad59 --- /dev/null +++ b/libgloss/csky/io-semi.S @@ -0,0 +1,22 @@ +/* Copyright (c) 2020 C-SKY Microsystems All rights reserved. + + This copyrighted material is made available to anyone wishing to use, + modify, copy, or redistribute it subject to the terms and conditions + of the FreeBSD License. This program is distributed in the hope that + it will be useful, but WITHOUT ANY WARRANTY expressed or implied, + including the implied warranties of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. A copy of this license is available at + http://www.opensource.org/licenses. +*/ + +/* int __hosted (int sys_operate, int *args); */ +.text +.global __hosted +.type __hosted, @function +.align 2 + +__hosted: + nop + bkpt + .long 0x7fff7fff + rts diff --git a/libgloss/csky/io-stat.c b/libgloss/csky/io-stat.c new file mode 100644 index 0000000..ef94d38 --- /dev/null +++ b/libgloss/csky/io-stat.c @@ -0,0 +1,54 @@ +/* + * io-stat.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#include +#include +#define IO stat +#include "io.h" + +/* + * stat -- get file information + * input parameters: + * 0 : filename ptr + * 1 : filename length + * 2 : stat buf ptr + * output parameters: + * 0 : errno + * result : r0 + */ + + +int stat (const char *__restrict filename, struct stat *__restrict buf) +{ +#if HOSTED + gdb_parambuf_t parameters; + struct gdb_stat gbuf; + int ret; + parameters[0] = (uint32_t) filename; + parameters[1] = (uint32_t) strlen (filename); + parameters[2] = (uint32_t) &gbuf; + ret = __hosted (HOSTED_STAT, parameters); + __hosted_from_gdb_stat (&gbuf, buf); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-system.c b/libgloss/csky/io-system.c new file mode 100644 index 0000000..d4428e6 --- /dev/null +++ b/libgloss/csky/io-system.c @@ -0,0 +1,62 @@ +/* + * io-system.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#include +#define IO _system +#include "io.h" + +/* + * system: execute command on (remote) host + * input parameters: + * 0 : command ptr + * 1 : command length + * output parameters: + * 0 : errno + * result : r0 + */ + +int _system (const char *command) +{ +#if HOSTED + int e; + gdb_parambuf_t parameters; + + parameters[0] = (uint32_t) command; + parameters[1] = command ? (uint32_t) strlen (command) : 0; + e = __hosted (HOSTED_SYSTEM, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + if (e >= 0 && command) + { + /* We have to convert e, an exit status to the encoded status of + the command. To avoid hard coding the exit status, we simply + loop until we find the right position. */ + int exit_code; + + for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1) + continue; + } + + return e; +#else + if (!command) + return 0; + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-time.c b/libgloss/csky/io-time.c new file mode 100644 index 0000000..5d744da --- /dev/null +++ b/libgloss/csky/io-time.c @@ -0,0 +1,44 @@ +/* + * io-time.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO time +#include "io.h" + +/* + * time -- get the current time + * input parameters: + * 0 : timeval ptr + * return: + * tv_sec if success. Otherwise -1. + */ + +time_t time (time_t *t) +{ +#if HOSTED + struct timeval tv; + + if (gettimeofday (&tv, NULL)) + return -1; + if (t) + *t = tv.tv_sec; + return tv.tv_sec; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-unlink.c b/libgloss/csky/io-unlink.c new file mode 100644 index 0000000..69827d6 --- /dev/null +++ b/libgloss/csky/io-unlink.c @@ -0,0 +1,47 @@ +/* + * io-unlink.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#include +#define IO unlink +#include "io.h" + +/* + * unlink -- unlink (delete) a file + * input parameters: + * 0 : filename ptr + * 1 : filename length + * output parameters: + * 0 : errno + * result : r0 + */ + +int unlink (const char *path) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret; + parameters[0] = (uint32_t) path; + parameters[1] = (uint32_t) strlen (path) + 1; + ret = __hosted (HOSTED_UNLINK, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io-write.c b/libgloss/csky/io-write.c new file mode 100644 index 0000000..dcac9bd --- /dev/null +++ b/libgloss/csky/io-write.c @@ -0,0 +1,48 @@ +/* + * io-write.c -- + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include +#include +#define IO write +#include "io.h" + +/* + * write -- write to a file descriptor + * input parameters: + * 0 : file descriptor + * 1 : buf ptr + * 2 : count + * output parameters: + * 0 : errno + * result : r0 + */ + +ssize_t write (int fd, const void *buf, size_t count) +{ +#if HOSTED + gdb_parambuf_t parameters; + int ret = 0; + parameters[0] = (uint32_t) fd; + parameters[1] = (uint32_t) buf; + parameters[2] = (uint32_t) count; + ret = __hosted (HOSTED_WRITE, parameters); + errno = __hosted_from_gdb_errno (parameters[0]); + return ret; +#else + errno = ENOSYS; + return -1; +#endif +} diff --git a/libgloss/csky/io.h b/libgloss/csky/io.h new file mode 100644 index 0000000..702de3b --- /dev/null +++ b/libgloss/csky/io.h @@ -0,0 +1,154 @@ +/* + * hosted & unhosted io support. + * + * Copyright (c) 2006 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#if HOSTED +#include +#include +#include +#include + +#define HOSTED_EXIT 0 +#define HOSTED_INIT_SIM 1 +#define HOSTED_OPEN 2 +#define HOSTED_CLOSE 3 +#define HOSTED_READ 4 +#define HOSTED_WRITE 5 +#define HOSTED_LSEEK 6 +#define HOSTED_RENAME 7 +#define HOSTED_UNLINK 8 +#define HOSTED_STAT 9 +#define HOSTED_FSTAT 10 +#define HOSTED_GETTIMEOFDAY 11 +#define HOSTED_ISATTY 12 +#define HOSTED_SYSTEM 13 + +/* This function is provided by the board's BSP, because the precise + mechanism of informing gdb is board specific. */ +extern int __io_hosted (int func, void *args); + +/* Protocol specific representation of datatypes, as specified in D.9.11 + * of the GDB manual. */ + +typedef uint32_t gdb_mode_t; +typedef uint32_t gdb_time_t; + +struct gdb_stat { + uint32_t st_dev; /* device */ + uint32_t st_ino; /* inode */ + gdb_mode_t st_mode; /* protection */ + uint32_t st_nlink; /* number of hard links */ + uint32_t st_uid; /* user ID of owner */ + uint32_t st_gid; /* group ID of owner */ + uint32_t st_rdev; /* device type (if inode device) */ + uint64_t st_size; /* total size, in bytes */ + uint64_t st_blksize; /* blocksize for filesystem I/O */ + uint64_t st_blocks; /* number of blocks allocated */ + gdb_time_t st_atim; /* time of last access */ + gdb_time_t st_mtim; /* time of last modification */ + gdb_time_t st_ctim; /* time of last change */ +}; + +struct gdb_timeval { + gdb_time_t tv_sec; /* second */ + uint64_t tv_usec; /* microsecond */ +}; + + +/* Parameters are passed between the library and the debugging stub + * in a fixed-size buffer. + */ + +typedef uint32_t gdb_parambuf_t[4]; + +/* open flags */ + +#define GDB_O_RDONLY 0x0 +#define GDB_O_WRONLY 0x1 +#define GDB_O_RDWR 0x2 +#define GDB_O_APPEND 0x8 +#define GDB_O_CREAT 0x200 +#define GDB_O_TRUNC 0x400 +#define GDB_O_EXCL 0x800 + +/* mode_t values */ + +#define GDB_S_IFREG 0100000 +#define GDB_S_IFDIR 040000 +#define GDB_S_IRUSR 0400 +#define GDB_S_IWUSR 0200 +#define GDB_S_IXUSR 0100 +#define GDB_S_IRGRP 040 +#define GDB_S_IWGRP 020 +#define GDB_S_IXGRP 010 +#define GDB_S_IROTH 04 +#define GDB_S_IWOTH 02 +#define GDB_S_IXOTH 01 + +/* errno values */ + +#define GDB_EPERM 1 +#define GDB_ENOENT 2 +#define GDB_EINTR 4 +#define GDB_EBADF 9 +#define GDB_EACCES 13 +#define GDB_EFAULT 14 +#define GDB_EBUSY 16 +#define GDB_EEXIST 17 +#define GDB_ENODEV 19 +#define GDB_ENOTDIR 20 +#define GDB_EISDIR 21 +#define GDB_EINVAL 22 +#define GDB_ENFILE 23 +#define GDB_EMFILE 24 +#define GDB_EFBIG 27 +#define GDB_ENOSPC 28 +#define GDB_ESPIPE 29 +#define GDB_EROFS 30 +#define GDB_ENAMETOOLONG 91 +#define GDB_EUNKNOWN 9999 + +/* lseek flags */ + +#define GDB_SEEK_SET 0 +#define GDB_SEEK_CUR 1 +#define GDB_SEEK_END 2 + + +/* conversion functions */ + +extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m); +extern int32_t __hosted_to_gdb_open_flags (int f); +extern int32_t __hosted_to_gdb_lseek_flags (int f); + +extern void __hosted_from_gdb_stat (const struct gdb_stat *gs, + struct stat *s); +extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt, + struct timeval *t); +extern int __hosted_from_gdb_errno (int32_t err); +extern int __hosted(int32_t operate, uint32_t *args); + +#else +#ifdef IO +#define IO_NAME_(IO) __hosted_##IO +#define IO_NAME(IO) IO_NAME_(IO) +#define IO_STRING_(IO) #IO +#define IO_STRING(IO) IO_STRING_(IO) +/* Emit an object that causes a gnu linker warning. */ +static const char IO_NAME (IO) [] +__attribute__ ((section (".gnu.warning"), used)) = +"IO function '" IO_STRING (IO) "' used"; +#endif +#endif diff --git a/libgloss/csky/kill.c b/libgloss/csky/kill.c new file mode 100644 index 0000000..972b599 --- /dev/null +++ b/libgloss/csky/kill.c @@ -0,0 +1,27 @@ +/* + * kill.c + * + * Copyright (c) 2018 Mentor Graphics + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +/* Minimal implementation of kill for a target system without processes. */ + +extern void _exit (int); + +int +kill (int pid, int sig) +{ + if (pid == 1) + _exit (sig); + return 0; +} diff --git a/libgloss/csky/sbrk.c b/libgloss/csky/sbrk.c new file mode 100644 index 0000000..bf17437 --- /dev/null +++ b/libgloss/csky/sbrk.c @@ -0,0 +1,37 @@ +/* Copyright (c) 2020 C-SKY Microsystems All rights reserved. + + This copyrighted material is made available to anyone wishing to use, + modify, copy, or redistribute it subject to the terms and conditions + of the FreeBSD License. This program is distributed in the hope that + it will be useful, but WITHOUT ANY WARRANTY expressed or implied, + including the implied warranties of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. A copy of this license is available at + http://www.opensource.org/licenses. +*/ + +#include +/* + + * sbrk -- changes heap size size. Get nbytes more + + * RAM. We just increment a pointer in what's + + * left of memory on the board. + + */ + +/* Provided by the linker script. */ +extern char __heap_start[] __attribute__ ((aligned (8))); +extern char __heap_end[] __attribute__ ((aligned (8))); + +void * +sbrk (int nbytes) +{ + static char *heap = __heap_start; + char *base = heap; + char *new_heap = heap + nbytes; + + if (nbytes < 0 || new_heap > __heap_end) + { + errno = ENOMEM; + return (void *)-1; + } + heap = new_heap; + return base; +} -- cgit v1.1