gdb/syscalls/arm-linux.py

   1 # Copyright (C) 2013-2020 Free Software Foundation, Inc.
   2
   3 # Copying and distribution of this file, with or without modification,
   4 # are permitted in any medium without royalty provided the copyright
   5 # notice and this notice are preserved.  This file is offered as-is,
   6 # without any warranty.
   7
   8 import sys
   9 import re
  10 import time
  11
  12 infname = sys.argv[1]
  13 inf = file(infname)
  14
  15 print("""\
  16 <?xml version="1.0"?>
  17 <!-- Copyright (C) 2009-%s Free Software Foundation, Inc.
  18
  19      Copying and distribution of this file, with or without modification,
  20      are permitted in any medium without royalty provided the copyright
  21      notice and this notice are preserved.  This file is offered as-is,
  22      without any warranty. -->
  23
  24 <!DOCTYPE feature SYSTEM "gdb-syscalls.dtd">
  25
  26 <!-- This file was generated using the following file:
  27
  28      %s
  29
  30      The file mentioned above belongs to the Linux Kernel.
  31      Some small hand-edits were made. -->
  32
  33 <syscalls_info>""" % (time.strftime("%Y"), infname))
  34
  35 def record(name, number, comment=None):
  36     #nm = 'name="%s"' % name
  37     #s = '  <syscall %-30s number="%d"/>' % (nm, number)
  38     s = '  <syscall name="%s" number="%d"/>' % (name, number)
  39     if comment:
  40         s += ' <!-- %s -->' % comment
  41     print(s)
  42
  43 for line in inf:
  44     m = re.match(r'^#define __NR_(\w+)\s+\(__NR_SYSCALL_BASE\+\s*(\d+)\)',
  45                  line)
  46     if m:
  47         record(m.group(1), int(m.group(2)))
  48         continue
  49
  50     m = re.match(r'^\s+/\* (\d+) was sys_(\w+) \*/$', line)
  51     if m:
  52         record(m.group(2), int(m.group(1)), 'removed')
  53
  54     m = re.match(r'^#define __ARM_NR_(\w+)\s+\(__ARM_NR_BASE\+\s*(\d+)\)',
  55                  line)
  56     if m:
  57         record('ARM_'+m.group(1), 0x0f0000+int(m.group(2)))
  58         continue
  59
  60 print('</syscalls_info>')