LXR qemu/scripts/modinfo-collect.py

   1#!/usr/bin/env python3
   2# -*- coding: utf-8 -*-
   3
   4import os
   5import sys
   6import json
   7import shlex
   8import subprocess
   9
  10def find_command(src, target, compile_commands):
  11    for command in compile_commands:
  12        if command['file'] != src:
  13            continue
  14        if target != '' and command['command'].find(target) == -1:
  15            continue
  16        return command['command']
  17    return 'false'
  18
  19def process_command(src, command):
  20    skip = False
  21    out = []
  22    for item in shlex.split(command):
  23        if skip:
  24            skip = False
  25            continue
  26        if item == '-MF' or item == '-MQ' or item == '-o':
  27            skip = True
  28            continue
  29        if item == '-c':
  30            skip = True
  31            continue
  32        out.append(item)
  33    out.append('-DQEMU_MODINFO')
  34    out.append('-E')
  35    out.append(src)
  36    return out
  37
  38def main(args):
  39    target = ''
  40    if args[0] == '--target':
  41        args.pop(0)
  42        target = args.pop(0)
  43        print("MODINFO_DEBUG target %s" % target)
  44        arch = target[:-8] # cut '-softmmu'
  45        print("MODINFO_START arch \"%s\" MODINFO_END" % arch)
  46    with open('compile_commands.json') as f:
  47        compile_commands = json.load(f)
  48    for src in args:
  49        if not src.endswith('.c'):
  50            print("MODINFO_DEBUG skip %s" % src)
  51            continue
  52        print("MODINFO_DEBUG src %s" % src)
  53        command = find_command(src, target, compile_commands)
  54        cmdline = process_command(src, command)
  55        print("MODINFO_DEBUG cmd", cmdline)
  56        result = subprocess.run(cmdline, stdout = subprocess.PIPE,
  57                                universal_newlines = True)
  58        if result.returncode != 0:
  59            sys.exit(result.returncode)
  60        for line in result.stdout.split('\n'):
  61            if line.find('MODINFO') != -1:
  62                print(line)
  63
  64if __name__ == "__main__":
  65    main(sys.argv[1:])
  66