testing: Add gcc's dejagnu tests target using qemu

Signed-off-by: Claudiu Zissulescu <[email protected]>

Author: claziss

Makefile.in

@@ -80,9 +80,26 @@ GDB_NATIVE_FLAGS := $(GDB_NATIVE_FLAGS_EXTRA)
 GLIBC_TARGET_FLAGS := $(GLIBC_TARGET_FLAGS_EXTRA)
 GLIBC_CC_FOR_TARGET ?= $(LINUX_TUPLE)-gcc
 GLIBC_CXX_FOR_TARGET ?= $(LINUX_TUPLE)-g++
+GLIBC_TARGET_BOARDS ?= arc-sim
 
 NEWLIB_CC_FOR_TARGET ?= $(NEWLIB_TUPLE)-gcc
 NEWLIB_CXX_FOR_TARGET ?= $(NEWLIB_TUPLE)-g++
+NEWLIB_TARGET_BOARDS ?= arc-sim
+
+# QEMU sim setup for running the tests
+ifeq (@target_alias@,arc)
+	QEMU_CPU = archs
+else
+ifeq (@target_alias@,arc32)
+	QEMU_CPU = hs5x
+else
+	QEMU_CPU = hs6x
+endif
+endif
+SIM_PATH:=$(srcdir)/scripts/wrapper/qemu
+SIM_PREPARE:=PATH="$(SIM_PATH):$(INSTALL_DIR)/bin:$(PATH)" ARC_SYSROOT="$(SYSROOT)" DEJAGNU="$(srcdir)/dejagnu/site.exp" QEMU_CPU="$(QEMU_CPU)"
+SIM_STAMP:= stamps/build-qemu
+
 
 all: @default_target@ @qemu_build@
 	echo "$(INSTALL_DIR)" > stamps/install_dir
@@ -92,6 +109,10 @@ linux: stamps/build-gdbserver-linux
 gdbserver: stamps/build-gdbserver-linux
 qemu: stamps/build-qemu
 
+check-gcc: check-gcc-@default_target@
+check-gcc-newlib: stamps/check-gcc-newlib
+check-gcc-linux: stamps/check-gcc-linux
+
 $(addprefix src/original-,$(PACKAGES)):
 	mkdir -p src
 	rm -rf $@ $(subst original-,,$@)-*
@@ -414,13 +435,23 @@ stamps/build-qemu: $(QEMU_SRCDIR)
 	mkdir $(notdir $@)
 	cd $(notdir $@) && $</configure \
 		--prefix=${INSTALL_DIR} \
-		--target-list="arc-softmmu,arc64-softmmu" \
+		--target-list="arc-softmmu,arc64-softmmu,arc-linux-user,arc64-linux-user" \
 		--enable-debug \
 		--enable-debug-tcg
 	$(MAKE) -C $(notdir $@)
 	$(MAKE) -C $(notdir $@) install
 	mkdir -p $(dir $@) && touch $@
 
+stamps/check-gcc-linux: stamps/build-gcc-linux-stage2 $(SIM_STAMP) #stamps/build-dejagnu
+	$(SIM_PREPARE) $(MAKE) -C build-gcc-linux-stage2 check-gcc "RUNTESTFLAGS=$(RUNTESTFLAGS) --target_board='$(GLIBC_TARGET_BOARDS)'"
+	mkdir -p $(dir $@)
+	date > $@
+
+stamps/check-gcc-newlib: stamps/build-gcc-newlib-stage2 $(SIM_STAMP) #stamps/build-dejagnu
+	$(SIM_PREPARE) $(MAKE) -C build-gcc-newlib-stage2 check-gcc "RUNTESTFLAGS=$(RUNTESTFLAGS) --target_board='$(NEWLIB_TARGET_BOARDS)'"
+	mkdir -p $(dir $@)
+	date > $@
+
 clean:
 	rm -rf build-* $(addprefix src/,$(PACKAGES)) stamps autom4te.cache
 

README.md

@@ -167,5 +167,5 @@ $ ./configure --target=arc64            \
 ```sh
 $ ./configure --target=... --prefix=/path/to/install --disable-linux
 $ make newlib
-$ make check-gcc-newlib
+$ make check-gcc
 ```

dejagnu/baseboards/arc-sim.exp

@@ -0,0 +1,64 @@
+# Copyright (C) 1997-2019, 2020 Free Software Foundation, Inc.
+#
+# This file is part of DejaGnu. For ARC target simulation.
+#
+# DejaGnu is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# DejaGnu is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with DejaGnu; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Load the generic configuration for this board. This will define a basic
+# set of routines used to communicate with the board.
+load_generic_config "sim"
+
+# basic-sim.exp is a basic description for the standard Cygnus simulator.
+load_base_board_description "basic-sim"
+
+# This tells it which directory to look in for the simulator.
+setup_sim arc
+
+# No multilib flags are set by default.
+process_multilib_options ""
+
+# Select the right spec file
+set xldflags ""
+case "$target_triplet" in {
+    { arc*-*elf* } {
+	set xldflags "--specs=nsim.specs -Wl,--defsym=__DEFAULT_HEAP_SIZE=256m \
+	    -Wl,--defsym=__DEFAULT_STACK_SIZE=1024m"
+    }
+}
+
+# The compiler used to build for this board. This has *nothing* to do
+# with what compiler is tested if we're testing gcc.
+set_board_info compiler "[find_gcc]"
+
+# The basic set of flags needed to build "hello world" for this
+# board. This board uses libgloss and newlib.
+set_board_info cflags	"[libgloss_include_flags] [newlib_include_flags]"
+set_board_info ldflags	"[libgloss_link_flags] $xldflags [newlib_link_flags]"
+
+# This board doesn't use a linker script.
+set_board_info ldscript ""
+
+# And, it can't do arguments, and doesn't have real signals.
+
+set_board_info noargs 1
+set_board_info gdb,nosignals 1
+set_board_info sim_time_limit 300
+
+# skip gdb.reverse
+set_board_info gdb,can_reverse 0
+set_board_info gdb,use_precord 0
+
+# Setup the timeout
+set_board_info gcc,timeout 600

dejagnu/site.exp

@@ -0,0 +1,37 @@
+# Copyright (C) 2023 Synopsys Inc.
+
+# This file is an ARC specific site.exp
+
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 3 of the License, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+
+# You should have received a copy of the GNU General Public License along
+# with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# Make sure we look in the right place for the board description files. Add
+# our local boards directories
+if ![info exists boards_dir] {
+    set boards_dir {}
+}
+
+lappend boards_dir "[file dirname $env(DEJAGNU)]"
+lappend boards_dir "[file dirname $env(DEJAGNU)]/baseboards"
+
+# Some GCC tests requires HOST{CC,CFLAGS}, however those variables are not
+# defined by test_installed. Thus set them here.
+if ![ info exists HOSTCC ] {
+    set HOSTCC gcc
+}
+if ![ info exists HOSTCFLAGS ] {
+    set HOSTCFLAGS "-g -O2"
+}
+
+# vim: noexpandtab sts=4 ts=8:

scripts/wrapper/qemu/arc64-elf-run

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+qemu_args=()
+while [[ "$1" != "" ]]
+do
+    case "$1" in
+	-Wq,*) qemu_args+=("$echo "$1" | cut -d, -f2-)");;
+	*) break;;
+    esac
+    shift
+done
+
+xlen="$(readelf -h $1 | grep 'Class' | cut -d: -f 2 | xargs echo | sed 's/^ELF//')"
+
+case "$xlen" in
+    64) qemu="64";;
+    *) qemu="";;
+esac
+
+qemu-system-arc$qemu -semihosting -cpu ${QEMU_CPU} -M arc-sim -m 2G -nographic \
+		     -no-reboot -monitor none -kernel "$@"

scripts/wrapper/qemu/arc64-linux-gnu-run

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+qemu_args=()
+while [[ "$1" != "" ]]
+do
+    case "$1" in
+	-Wq,*) qemu_args+=("$echo "$1" | cut -d, -f2-)");;
+	*) break;;
+    esac
+    shift
+done
+
+xlen="$(readelf -h $1 | grep 'Class' | cut -d: -f 2 | xargs echo | sed 's/^ELF//')"
+
+case "$xlen" in
+    64) qemu="64";;
+    *) qemu="";;
+esac
+
+qemu-arc$qemu -cpu ${QEMU_CPU} -R 3G "${qemu_args[@]}" -L ${ARC_SYSROOT} "$@"