#   Copyright (C) 2016-2020 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

if {![istarget "arc*-*-*"]} then {
  return
}

if {[which $OBJDUMP] == 0} then {
    perror "$OBJDUMP does not exist"
    return
}

send_user "Version [binutil_version $OBJDUMP]"

# Helper functions

# Create object file from the assembly source.
proc do_objfile { srcfile } {
    global srcdir
    global subdir

    set objfile [regsub -- "\.s$" $srcfile ".o"]

    if {![binutils_assemble $srcdir/$subdir/$srcfile tmpdir/$objfile]} then {
	return
    }

    if [is_remote host] {
	set objfile [remote_download host tmpdir/$objfile]
    } else {
	set objfile tmpdir/$objfile
    }

    return $objfile
}

# Ensure that disassembler output includes EXPECTED lines.
proc check_assembly { testname objfile expected { disas_flags "" } } {
    global OBJDUMP
    global OBJDUMPFLAGS

    if [string equal "" $objfile] then {
	fail $testname
	return
    }
    set got [binutils_run $OBJDUMP "$OBJDUMPFLAGS --disassemble $disas_flags \
	$objfile"]

    if [regexp $expected $got] then {
	pass $testname
    } else {
	fail $testname
    }
}

# Make sure that a warning message is generated (because the disassembly does
# not match the assembled instructions, which has happened because the user
# has not specified a -M option on the disassembler command line, and so the
# disassembler has had to guess as the instruction class in use).
set want "Warning: disassembly.*vmac2hnfr\[ \t\]*r0,r2,r4.*dmulh12.f\[ \t\]*r0,r2,r4.*dmulh11.f"
check_assembly "Warning test" [do_objfile dsp.s] $want
set warn_double_reg "Warning: illegal use of double register pair."
check_assembly "Warning faulty double regs" [do_objfile double_regs.s] \
    $warn_double_reg

set double_store_hs_expected {std\s*r0r1,\[r3\]}
set objfile [do_objfile double_store.s]
check_assembly "arc double_store default -M" $objfile \
    $double_store_hs_expected
check_assembly "arc double_store -Mcpu=hs" $objfile \
    $double_store_hs_expected "-Mcpu=hs"
check_assembly "arc double_store -Mcpu=hs38_linux" $objfile \
    $double_store_hs_expected "-Mcpu=hs38_linux"
set double_store_em_expected {word\s*0x1b000006}
check_assembly "arc double_store -Mcpu=em" $objfile \
    $double_store_em_expected "-Mcpu=em"
check_assembly "arc double_store -Mcpu=em4_dmips" $objfile \
    $double_store_em_expected "-Mcpu=em4_dmips"
# Test to ensure that only value up to the next `,' is checked.  There used to
# be a bug, where whole `em,fpus' was compared against known CPU values, and
# that comparison would fail.  When this bug is present, whole cpu= option will
# be ignored and instruction will be disassembled as ARC HS.
check_assembly "arc double_store -Mcpu=em,fpus" $objfile \
    $double_store_em_expected "-Mcpu=em,fpus"
# Make sure that the last cpu= value is used.
check_assembly "arc double_store -Mcpu=hs,cpu=em" $objfile \
    $double_store_em_expected "-Mcpu=hs,cpu=em"
# Check the hex printing for short immediates.
set thexobj [do_objfile hexprint.s]
check_assembly "arc hex printing" $thexobj \
    {st\s*r0,\[r1,0xfffffff7\]} "-Mhex"
check_assembly "arc normal printing" $thexobj \
    {st\s*r0,\[r1,-9\]}