v8/test/debugging/wasm/gdb-server/breakpoints.py

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# Copyright 2020 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Flags: -expose-wasm --wasm-gdb-remote --wasm-pause-waiting-for-debugger test/debugging/wasm/gdb-server/test_files/test_basic.js
import sys
import unittest
import gdb_rsp
import test_files.test_basic as test_basic
class Tests(unittest.TestCase):
def test_initial_breakpoint(self):
# Testing that the debuggee suspends when the debugger attaches.
with gdb_rsp.LaunchDebugStub(COMMAND) as connection:
reply = connection.RspRequest('?')
gdb_rsp.AssertReplySignal(reply, gdb_rsp.SIGTRAP)
def test_setting_removing_breakpoint(self):
with gdb_rsp.LaunchDebugStub(COMMAND) as connection:
module_load_addr = gdb_rsp.GetLoadedModuleAddress(connection)
func_addr = module_load_addr + test_basic.BREAK_ADDRESS_1
# Set a breakpoint.
reply = connection.RspRequest('Z0,%x,1' % func_addr)
self.assertEqual(reply, 'OK')
# When we run the program, we should hit the breakpoint.
reply = connection.RspRequest('c')
gdb_rsp.AssertReplySignal(reply, gdb_rsp.SIGTRAP)
gdb_rsp.CheckInstructionPtr(connection, func_addr)
# Check that we can remove the breakpoint.
reply = connection.RspRequest('z0,%x,0' % func_addr)
self.assertEqual(reply, 'OK')
# Requesting removing a breakpoint on an address that does not
# have one should return an error.
reply = connection.RspRequest('z0,%x,0' % func_addr)
self.assertEqual(reply, 'E03')
def test_setting_breakpoint_on_invalid_address(self):
with gdb_rsp.LaunchDebugStub(COMMAND) as connection:
# Requesting a breakpoint on an invalid address should give an error.
reply = connection.RspRequest('Z0,%x,1' % (1 << 32))
self.assertEqual(reply, 'E03')
def Main():
index = sys.argv.index('--')
args = sys.argv[index + 1:]
# The remaining arguments go to unittest.main().
global COMMAND
COMMAND = args
unittest.main(argv=sys.argv[:index])
if __name__ == '__main__':
Main()