# Copyright 2019-2020 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, see <http://www.gnu.org/licenses/>.

if {[skip_shlib_tests]} {
    return 0
}

load_lib "ada.exp"

standard_ada_testfile foo

set ofile ${binfile}.o

set srcfile2 [file join [file dirname $srcfile] some_package.adb]
set ofile2 [standard_output_file some_package.o]
set sofile [standard_output_file libsome_package.so]

set outdir [file dirname $binfile]

# To make an Ada shared library we have to jump through a number of
# hoops.

# First compile to a .o.  We can't compile directly to a .so because
# GCC rejects that:
#    $ gcc -g -shared -fPIC -o qqz.o some_package.adb
#    gcc: error: -c or -S required for Ada
# And, we can't compile in "ada" mode because dejagnu will try to
# invoke gnatmake, which we don't want.
if {[target_compile_ada_from_dir $outdir $srcfile2 $ofile2 \
	 object {debug additional_flags=-fPIC}] != ""} {
    return -1
}

# Now turn the .o into a shared library.
if {[gdb_compile_shlib $ofile2 $sofile \
	 {debug additional_flags=-fPIC}] != ""} {
    return -1
}

# Now we can compile the main program to an object file; but again, we
# can't compile directly using gnatmake.
if {[target_compile_ada_from_dir $outdir $srcfile $ofile object debug] != ""} {
    return -1
}

set gnatbind [find_ada_tool gnatbind]
set gnatlink [find_ada_tool gnatlink]

with_cwd $outdir {
    # Test if gnatbind is supported
    set status [remote_exec host "$gnatbind --version"]
    if {[lindex $status 0] == -1} {
	unsupported "gnatbind foo"
	return -1
    }
    # Bind.
    set status [remote_exec host "$gnatbind -shared foo"]
    if {[lindex $status 0] == 0} {
	pass "gnatbind foo"
    } else {
	fail "gnatbind foo"
	return -1
    }

    # Test if gnatlink is supported
    set status [remote_exec host "$gnatlink --version"]
    if {[lindex $status 0] == -1} {
	unsupported "gnatlink foo"
	return -1
    }
    # Finally, link.
    if {[istarget "*-*-mingw*"]
	|| [istarget *-*-cygwin*]
	|| [istarget *-*-pe*]
	|| [istarget arm*-*-symbianelf*]} {
	# Do not need anything.
	set linkarg ""
    } elseif {[istarget *-*-freebsd*] || [istarget *-*-openbsd*]} {
	set linkarg "-Wl,-rpath,$outdir"
    } else {
	set linkarg "-Wl,-rpath,\\\$ORIGIN"
    }
    set status [remote_exec host "$gnatlink foo $linkarg -Wl,-lsome_package"]
    if {[lindex $status 0] == 0} {
	pass "gnatlink foo"
    } else {
	fail "gnatlink foo"
	return -1
    }
}

clean_restart ${testfile}

if {![runto_main]} then {
   return 0
}

set can_catch_exceptions 0
gdb_test_multiple "catch exception some_kind_of_error" "" {
    -re "Catchpoint \[0-9\]+: `some_kind_of_error' Ada exception\r\n$gdb_prompt $" {
	pass $gdb_test_name
	set can_catch_exceptions 1
    }

    -re "Your Ada runtime appears to be missing some debugging information.\r\nCannot insert Ada exception catchpoint in this configuration.\r\n$gdb_prompt $" {
	    unsupported $gdb_test_name
    }
}

if { $can_catch_exceptions } {
    gdb_test "cont" \
	"Catchpoint \[0-9\]+, .* at .*foo\.adb:\[0-9\]+.*" \
	"caught the exception"

    gdb_test "print \$_ada_exception = some_package.some_kind_of_error'Address" \
	" = true"
}