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Add scripts to validate lldb source debugger (bytecodealliance#2150)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| #!/usr/bin/env python3 | ||
| # | ||
| # Copyright (C) 2023 Intel Corporation. All rights reserved. | ||
| # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| # | ||
|
|
||
| import argparse | ||
| import time | ||
| from pathlib import Path | ||
| import subprocess, shlex | ||
|
|
||
| SCRIPT_DIR = Path(__file__).parent.resolve() | ||
| REPO_ROOT_DIR = SCRIPT_DIR.parent | ||
| SAMPLE_CODE_FILE = REPO_ROOT_DIR / 'product-mini/app-samples/hello-world/main.c' | ||
| WASM_OUT_FILE = SCRIPT_DIR / 'out.wasm' | ||
|
|
||
| parser = argparse.ArgumentParser( | ||
| description="Validate the customized lldb with sample code" | ||
| ) | ||
| parser.add_argument( | ||
| "-l", "--lldb", dest='lldb', default='lldb', help="path to lldb executable" | ||
| ) | ||
| parser.add_argument( | ||
| "-w", "--wamr", dest='wamr', default='iwasm', help="path to iwasm executable" | ||
| ) | ||
| parser.add_argument( | ||
| "-p", "--port", dest='port', default='1234', help="debug server listen port" | ||
| ) | ||
| parser.add_argument( | ||
| "-v", "--verbose", dest='verbose', action='store_true', default=False, help="display lldb stdout" | ||
| ) | ||
|
|
||
| options = parser.parse_args() | ||
|
|
||
| lldb_command_prologue = f'{options.lldb} -o "process connect -p wasm connect://127.0.0.1:{options.port}"' | ||
| lldb_command_epilogue = '-o q' | ||
|
|
||
| test_cases = { | ||
| 'run_to_exit': '-o c', | ||
| 'func_breakpoint': '-o "b main" -o c -o c', | ||
| 'line_breakpoint': '-o "b main.c:12" -o c -o c', | ||
| 'break_on_unknown_func': '-o "b not_a_func" -o c', | ||
| 'watch_point': '-o "b main" -o c -o "watchpoint set variable buf" -o c -o "fr v buf" -o c', | ||
| } | ||
|
|
||
| # Step1: Build wasm module with debug information | ||
| build_cmd = f'/opt/wasi-sdk/bin/clang -g -O0 -o {WASM_OUT_FILE} {SAMPLE_CODE_FILE}' | ||
| try: | ||
| print(f'building wasm module ...', end='', flush=True) | ||
| subprocess.check_call(shlex.split(build_cmd)) | ||
| print(f'\t OK') | ||
| except subprocess.CalledProcessError: | ||
| print("Failed to build wasm module with debug information") | ||
| exit(1) | ||
|
|
||
| def print_process_output(p): | ||
| try: | ||
| outs, errs = p.communicate(timeout=2) | ||
| print("stdout:") | ||
| print(outs) | ||
| print("stderr:") | ||
| print(errs) | ||
| except subprocess.TimeoutExpired: | ||
| print("Failed to get process output") | ||
|
|
||
| # Step2: Launch WAMR in debug mode and validate lldb commands | ||
| wamr_cmd = f'{options.wamr} -g=127.0.0.1:{options.port} {WASM_OUT_FILE}' | ||
| for case, cmd in test_cases.items(): | ||
| has_error = False | ||
| print(f'validating case [{case}] ...', end='', flush=True) | ||
| lldb_cmd = f'{lldb_command_prologue} {cmd} {lldb_command_epilogue}' | ||
|
|
||
| wamr_process = subprocess.Popen(shlex.split( | ||
| wamr_cmd), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) | ||
|
|
||
| time.sleep(0.1) | ||
| if (wamr_process.poll() != None): | ||
| print("\nWAMR doesn't wait for lldb connection") | ||
| print_process_output(wamr_process) | ||
| exit(1) | ||
|
|
||
| lldb_process = subprocess.Popen(shlex.split( | ||
| lldb_cmd), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) | ||
|
|
||
| if (options.verbose): | ||
| while (lldb_process.poll() is None): | ||
| print(lldb_process.stdout.read(), end='', flush=True) | ||
|
|
||
| try: | ||
| if (lldb_process.wait(5) != 0): | ||
| print(f"\nFailed to validate case [{case}]") | ||
| print_process_output(lldb_process) | ||
| has_error = True | ||
|
|
||
| if wamr_process.wait(2) != 0: | ||
| print("\nWAMR process doesn't exit normally") | ||
| print_process_output(wamr_process) | ||
| has_error = True | ||
|
|
||
| except subprocess.TimeoutExpired: | ||
| print(f"\nFailed to validate case [{case}]") | ||
| print("wamr output:") | ||
| print_process_output(wamr_process) | ||
| print("lldb output:") | ||
| print_process_output(lldb_process) | ||
| has_error = True | ||
| finally: | ||
| if (lldb_process.poll() == None): | ||
| print(f'\nterminating lldb process [{lldb_process.pid}]') | ||
| lldb_process.kill() | ||
| if (wamr_process.poll() == None): | ||
| print(f'terminating wamr process [{wamr_process.pid}]') | ||
| wamr_process.kill() | ||
|
|
||
| if (has_error): | ||
| exit(1) | ||
|
|
||
| print(f'\t OK') | ||
|
|
||
| # wait 100ms to ensure the socket is closed | ||
| time.sleep(0.1) | ||
|
|
||
| print('Validate lldb success') | ||
| exit(0) |