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    arg = False
  22    out = []
  23    for item in shlex.split(command):
  24        if arg:
  25            out.append(x)
  26            arg = False
  27            continue
  28        if skip:
  29            skip = False
  30            continue
  31        if item == '-MF' or item == '-MQ' or item == '-o':
  32            skip = True
  33            continue
  34        if item == '-c':
  35            skip = True
  36            continue
  37        out.append(item)
  38    out.append('-DQEMU_MODINFO')
  39    out.append('-E')
  40    out.append(src)
  41    return out
  42
  43def main(args):
  44    target = ''
  45    if args[0] == '--target':
  46        args.pop(0)
  47        target = args.pop(0)
  48        print("MODINFO_DEBUG target %s" % target)
  49        arch = target[:-8] # cut '-softmmu'
  50        print("MODINFO_START arch \"%s\" MODINFO_END" % arch)
  51    with open('compile_commands.json') as f:
  52        compile_commands = json.load(f)
  53    for src in args:
  54        print("MODINFO_DEBUG src %s" % src)
  55        command = find_command(src, target, compile_commands)
  56        cmdline = process_command(src, command)
  57        print("MODINFO_DEBUG cmd", cmdline)
  58        result = subprocess.run(cmdline, stdout = subprocess.PIPE,
  59                                universal_newlines = True)
  60        if result.returncode != 0:
  61            sys.exit(result.returncode)
  62        for line in result.stdout.split('\n'):
  63            if line.find('MODINFO') != -1:
  64                print(line)
  65
  66if __name__ == "__main__":
  67    main(sys.argv[1:])
  68