[Rust,front-end,v2,02/37] gccrs: Add nessecary hooks for a Rust front-end testsuite
Commit Message
From: Philip Herron <philip.herron@embecosm.com>
This copy's over code from other front-end testsuites to enable testing
for the rust front-end specifically.
Co-authored-by: Marc Poulhiès <dkm@kataplop.net>
Co-authored-by: Thomas Schwinge <thomas@codesourcery.com>
---
gcc/testsuite/lib/rust-dg.exp | 49 +++++++++
gcc/testsuite/lib/rust.exp | 186 ++++++++++++++++++++++++++++++++++
2 files changed, 235 insertions(+)
create mode 100644 gcc/testsuite/lib/rust-dg.exp
create mode 100644 gcc/testsuite/lib/rust.exp
Comments
Ok.
> On Aug 24, 2022, at 4:59 AM, herron.philip@googlemail.com wrote:
>
> From: Philip Herron <philip.herron@embecosm.com>
>
> This copy's over code from other front-end testsuites to enable testing
> for the rust front-end specifically.
>
> Co-authored-by: Marc Poulhiès <dkm@kataplop.net>
> Co-authored-by: Thomas Schwinge <thomas@codesourcery.com>
> ---
> gcc/testsuite/lib/rust-dg.exp | 49 +++++++++
> gcc/testsuite/lib/rust.exp | 186 ++++++++++++++++++++++++++++++++++
new file mode 100644
@@ -0,0 +1,49 @@
+# Copyright (C) 1997-2022 Free Software Foundation, Inc.
+
+# 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 GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+load_lib gcc-dg.exp
+
+# Define rust callbacks for dg.exp.
+
+proc rust-dg-test { prog do_what extra_tool_flags } {
+ return [gcc-dg-test-1 rust_target_compile $prog $do_what $extra_tool_flags]
+}
+
+proc rust-dg-prune { system text } {
+ return [gcc-dg-prune $system $text]
+}
+
+# Utility routines.
+
+#
+# rust_load -- wrapper around default rust_load to handle tests that
+# require program arguments passed to them.
+#
+
+if { [info procs rust_load] != [list] \
+ && [info procs prev_rust_load] == [list] } {
+ rename rust_load prev_rust_load
+
+ proc rust_load { program args } {
+ global RUST_EXECUTE_ARGS
+ if [info exists RUST_EXECUTE_ARGS] then {
+ set args [concat "{$RUST_EXECUTE_ARGS}"]
+ }
+ set result [eval [list prev_rust_load $program] $args ]
+ return $result
+ }
+}
+
new file mode 100644
@@ -0,0 +1,186 @@
+# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+#
+# rust support library routines
+#
+
+load_lib prune.exp
+load_lib gcc-defs.exp
+load_lib timeout.exp
+load_lib target-libpath.exp
+
+#
+# RUST_UNDER_TEST is the compiler under test.
+#
+
+set rust_compile_options ""
+
+
+#
+# rust_include_flags -- include flags for the gcc tree structure
+#
+
+proc rust_include_flags { paths } {
+ global srcdir
+ global TESTING_IN_BUILD_TREE
+
+ set flags ""
+
+ if { [is_remote host] || ![info exists TESTING_IN_BUILD_TREE] } {
+ return "${flags}"
+ }
+
+ set gccpath ${paths}
+
+ return "$flags"
+}
+
+#
+# rust_link_flags -- linker flags for the gcc tree structure
+#
+
+proc rust_link_flags { paths } {
+ global srcdir
+ global ld_library_path
+ global RUST_UNDER_TEST
+ global shlib_ext
+ global SHARED_OPTION
+
+ set gccpath ${paths}
+ set libio_dir ""
+ set flags ""
+ set ld_library_path "."
+ set shlib_ext [get_shlib_extension]
+ set SHARED_OPTION ""
+ verbose "shared lib extension: $shlib_ext"
+
+ set_ld_library_path_env_vars
+
+ return "$flags"
+}
+
+#
+# rust_init -- called at the start of each subdir of tests
+#
+
+proc rust_init { args } {
+ global subdir
+ global rust_initialized
+ global base_dir
+ global tmpdir
+ global libdir
+ global gluefile wrap_flags
+ global objdir srcdir
+ global ALWAYS_RUSTFLAGS
+ global TOOL_EXECUTABLE TOOL_OPTIONS
+ global RUST_UNDER_TEST
+ global TESTING_IN_BUILD_TREE
+ global TEST_ALWAYS_FLAGS
+ global gcc_warning_prefix
+ global gcc_error_prefix
+
+ # We set LC_ALL and LANG to C so that we get the same error messages as expected.
+ setenv LC_ALL C
+ setenv LANG C
+
+ if ![info exists RUST_UNDER_TEST] then {
+ if [info exists TOOL_EXECUTABLE] {
+ set RUST_UNDER_TEST $TOOL_EXECUTABLE
+ } else {
+ if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
+ set RUST_UNDER_TEST [transform gccrs]
+ } else {
+ set RUST_UNDER_TEST [findfile $base_dir/../../gccrs "$base_dir/../../gccrs -B$base_dir/../../" [findfile $base_dir/gccrs "$base_dir/gccrs -B$base_dir/" [transform gccrs]]]
+ }
+ }
+ }
+
+ if ![is_remote host] {
+ if { [which $RUST_UNDER_TEST] == 0 } then {
+ perror "RUST_UNDER_TEST ($RUST_UNDER_TEST) does not exist"
+ exit 1
+ }
+ }
+
+ if ![info exists tmpdir] {
+ set tmpdir "/tmp"
+ }
+
+ if [info exists gluefile] {
+ unset gluefile
+ }
+
+ rust_maybe_build_wrapper "${tmpdir}/rust-testglue.o"
+
+ set ALWAYS_RUSTFLAGS ""
+
+ # TEST_ALWAYS_FLAGS are flags that should be passed to every
+ # compilation. They are passed first to allow individual
+ # tests to override them.
+ if [info exists TEST_ALWAYS_FLAGS] {
+ lappend ALWAYS_RUSTFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
+ }
+
+ if ![is_remote host] {
+ if [info exists TOOL_OPTIONS] {
+ lappend ALWAYS_RUSTFLAGS "additional_flags=[rust_include_flags [get_multilibs ${TOOL_OPTIONS}] ]"
+ lappend ALWAYS_RUSTFLAGS "ldflags=[rust_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
+ } else {
+ lappend ALWAYS_RUSTFLAGS "additional_flags=[rust_include_flags [get_multilibs] ]"
+ lappend ALWAYS_RUSTFLAGS "ldflags=[rust_link_flags [get_multilibs] ]"
+ }
+ }
+
+ if [info exists TOOL_OPTIONS] {
+ lappend ALWAYS_RUSTFLAGS "additional_flags=$TOOL_OPTIONS"
+ }
+
+ verbose -log "ALWAYS_RUSTFLAGS set to $ALWAYS_RUSTFLAGS"
+
+ set gcc_warning_prefix "warning:"
+ set gcc_error_prefix "(fatal )?error:"
+
+ verbose "rust is initialized" 3
+}
+
+#
+# rust_target_compile -- compile a source file
+#
+
+proc rust_target_compile { source dest type options } {
+ global tmpdir
+ global gluefile wrap_flags
+ global ALWAYS_RUSTFLAGS
+ global RUST_UNDER_TEST
+ global individual_timeout
+
+ # HACK: guard against infinite loops in the compiler
+ set individual_timeout 10
+
+ if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
+ lappend options "libs=${gluefile}"
+ lappend options "ldflags=${wrap_flags}"
+ }
+
+ lappend options "timeout=[timeout_value]"
+ lappend options "compiler=$RUST_UNDER_TEST"
+
+ set options [concat "$ALWAYS_RUSTFLAGS" $options]
+ set options [dg-additional-files-options $options $source]
+
+ return [target_compile $source $dest $type $options]
+}