gdb/testsuite/gdb.python/py-arch.exp

# Copyright 2013-2020 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/>.
load_lib gdb-python.exp
standard_testfile

if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
    return -1
}

# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }

if ![runto_main] {
   return -1
}

# Test python/15461.  Invalid architectures should not trigger an
# internal GDB assert.
gdb_py_test_silent_cmd "python empty = gdb.Architecture()" "get empty arch" 0
gdb_test "python print(empty.name())" ".*Architecture is invalid.*" \
    "Test empty architecture.name does not trigger an assert"
gdb_test "python print(empty.disassemble())" ".*Architecture is invalid.*" \
    "Test empty architecture.disassemble does not trigger an assert"

gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "get frame" 0
gdb_py_test_silent_cmd "python arch = frame.architecture()" "get arch" 0
gdb_py_test_silent_cmd "python pc = frame.pc()" "get pc" 0
gdb_py_test_silent_cmd "python insn_list1 = arch.disassemble(pc, pc, 1)" \
  "disassemble" 0
gdb_py_test_silent_cmd "python insn_list2 = arch.disassemble(pc, pc)" \
  "disassemble no count" 0
gdb_py_test_silent_cmd "python insn_list3 = arch.disassemble(pc, count=1)" \
  "disassemble no end" 0
gdb_py_test_silent_cmd "python insn_list4 = arch.disassemble(pc)" \
  "disassemble no end no count" 0

gdb_test "python print (len(insn_list1))" "1" "test number of instructions 1"
gdb_test "python print (len(insn_list2))" "1" "test number of instructions 2"
gdb_test "python print (len(insn_list3))" "1" "test number of instructions 3"
gdb_test "python print (len(insn_list4))" "1" "test number of instructions 4"

gdb_py_test_silent_cmd "python insn = insn_list1\[0\]" "get instruction" 0

gdb_test "python print (\"addr\" in insn)" "True" "test key addr"
gdb_test "python print (\"asm\" in insn)" "True" "test key asm"
gdb_test "python print (\"length\" in insn)" "True" "test key length"

if { ![is_address_zero_readable] } {
    # Negative test
    gdb_test "python arch.disassemble(0, 0)" ".*gdb\.MemoryError.*" \
	"test bad memory access"
}