105 lines
3.5 KiB
Python
Executable file
105 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# A thin Python wrapper around addr2line, can monitor esp-open-rtos
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# output and uses gdb to convert any suitable looking hex numbers
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# found in the output into function and line numbers.
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#
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# Works with a serial port if the --port option is supplied.
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# Otherwise waits for input on stdin.
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#
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import serial
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import argparse
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import re
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import os
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import os.path
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import subprocess
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import termios
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import sys
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import time
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# Try looking up anything in the executable address space
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RE_EXECADDR = r"(0x)?40([0-9]|[a-z]){6}"
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def find_elf_file():
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out_files = []
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for top,_,files in os.walk('.', followlinks=False):
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for f in files:
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if f.endswith(".out"):
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out_files.append(os.path.join(top,f))
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if len(out_files) == 1:
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return out_files[0]
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elif len(out_files) > 1:
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print("Found multiple .out files: %s. Please specify one with the --elf option." % out_files)
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else:
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print("No .out file found under current directory. Please specify one with the --elf option.")
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sys.exit(1)
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def main():
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parser = argparse.ArgumentParser(description='esp-open-rtos output filter tool', prog='filteroutput')
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parser.add_argument(
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'--elf', '-e',
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help="ELF file (*.out file) to load symbols from (if not supplied, will search for one)"),
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parser.add_argument(
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'--port', '-p',
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help='Serial port to monitor (will monitor stdin if None)',
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default=None)
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parser.add_argument(
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'--baud', '-b',
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help='Baud rate for serial port',
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type=int,
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default=74880)
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parser.add_argument(
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'--reset-on-connect', '-r',
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help='Reset ESP8266 (via DTR) on serial connect. (Linux resets even if not set, except when using NodeMCU-style auto-reset circuit.)',
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action='store_true')
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args = parser.parse_args()
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if args.elf is None:
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args.elf = find_elf_file()
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elif not os.path.exists(args.elf):
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print("ELF file '%s' not found" % args.elf)
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sys.exit(1)
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if args.port is not None:
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print("Opening %s at %dbps..." % (args.port, args.baud))
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port = serial.Serial(args.port, baudrate=args.baud)
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if args.reset_on_connect:
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print("Resetting...")
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port.setDTR(False)
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time.sleep(0.1)
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port.setDTR(True)
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else:
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print("Reading from stdin...")
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port = sys.stdin
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# disable echo
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try:
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old_attr = termios.tcgetattr(sys.stdin.fileno())
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attr = termios.tcgetattr(sys.stdin.fileno())
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attr[3] = attr[3] & ~termios.ECHO
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termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, attr)
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except termios.error:
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pass
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try:
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while True:
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line = port.readline()
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if line == '':
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break
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print(line.strip())
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for match in re.finditer(RE_EXECADDR, line, re.IGNORECASE):
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addr = match.group(0)
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if not addr.startswith("0x"):
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addr = "0x"+addr
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# keeping addr2line and feeding it addresses on stdin didn't seem to work smoothly
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addr2line = subprocess.check_output(["xtensa-lx106-elf-addr2line","-pfia","-e","%s" % args.elf, addr], cwd=".").strip()
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if not addr2line.endswith(": ?? ??:0"):
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print("\n%s\n" % addr2line.strip())
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finally:
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if args.port is None:
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# restore echo
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termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, old_attr)
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if __name__ == "__main__":
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main()
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