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# Support routines for libsframe testsuite.
# Copyright (C) 2022 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# This file 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
load_file $srcdir/../../ld/testsuite/lib/ld-lib.exp
set unwind_test_file_name ""
proc run_native_host_cmd { command } {
global link_output
global ld
verbose -log "$command"
set run_output ""
try {
set run_output [exec "sh" "-c" "$command" "2>@1"]
set status 0
} trap CHILDSTATUS {results options} {
set status [lindex [dict get $options -errorcode] 2]
set run_output $results
}
regsub "\n$" $run_output "" run_output
if { [lindex $status 0] != 0 && [string match "" $run_output] } then {
append run_output "child process exited abnormally"
}
if [string match "" $run_output] then {
return ""
}
verbose -log "$run_output"
return "$run_output"
}
# Compile and link a C source file for execution on the host.
proc compile_link_one_host_cc { src output additional_args } {
global CC
global CFLAGS
return [run_native_host_cmd "./libtool --quiet --tag=CC --mode=link $CC -B./tmpdir/libsframe $CFLAGS $src -o $output $additional_args" ]
}
proc make_unwind_parallel_path { args } {
global objdir
set joiner [list "file" "join" $objdir]
set joiner [concat $joiner $args]
return [eval $joiner]
}
proc standard_output_file {basename} {
global objdir subdir unwind_test_file_name
set dir [make_unwind_parallel_path outputs $subdir $unwind_test_file_name]
file mkdir $dir
return [file join $dir $basename]
}
proc standard_testfile {args} {
global unwind_test_file_name
global subdir
global unwind_test_file_last_vars
# Outputs.
global testfile binfile
set testfile $unwind_test_file_name
set binfile [standard_output_file ${testfile}]
if {[llength $args] == 0} {
set args .c
}
# Unset our previous output variables.
# This can help catch hidden bugs.
if {[info exists unwind_test_file_last_vars]} {
foreach varname $unwind_test_file_last_vars {
global $varname
catch {unset $varname}
}
}
# 'executable' is often set by tests.
set unwind_test_file_last_vars {executable}
set suffix ""
foreach arg $args {
set varname srcfile$suffix
global $varname
# Handle an extension.
if {$arg == ""} {
set arg $testfile.c
} else {
set first [string range $arg 0 0]
if { $first == "." || $first == "-" } {
set arg $testfile$arg
}
}
set $varname $arg
lappend unwind_test_file_last_vars $varname
if {$suffix == ""} {
set suffix 2
} else {
incr suffix
}
}
}
# Build a shared object DEST from SOURCES.
proc unwind_compile_so {sources dest} {
global CFLAGS
set obj_options $CFLAGS
lappend obj_options "additional_flags=-fPIC -Wa,--gsframe"
set outdir [file dirname $dest]
set objects ""
foreach source $sources {
set sourcebase [file tail $source]
set object ${outdir}/${sourcebase}.o
if {[target_compile $source $object object \
$obj_options] != ""} {
return -1
}
lappend objects $object
}
set link_options "additional_flags=-shared"
set destbase [file tail $dest]
lappend link_options "additional_flags=-Wl,-soname,$destbase"
if {[target_compile "${objects}" "${dest}" executable $link_options] != ""} {
catch "exec rm ${objects}" status
return -1
}
catch "exec rm ${objects}" status
return ""
}
# Build a binary of TYPE from SOURCE at path DEST.
proc unwind_compile {source dest type options} {
set new_options ""
foreach opt $options {
if {[regexp {^shlib=(.*)} $opt dummy_var shlib_name]
&& $type == "executable"} {
lappend source "-Wl,$shlib_name"
} else {
lappend new_options $opt
}
}
set options $new_options
verbose "options are $options"
verbose "source is $source $dest $type $options"
lappend options "additional_flags=-rdynamic -Wa,--gsframe ./.libs/libsframebt.a ./.libs/libsframe.a"
set result [target_compile $source $dest $type $options]
return $result
}
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