slangdata.py revision 3c250c5d6cbf4123e959a3466990fda9fa50987a 
1#!/usr/bin/env python
2
3import os, sys
4
5def print_header(var_name):
6  sys.stdout.write("""
7#ifdef __APPLE_CC__
8/*\n\
9 * The mid-2007 version of gcc that ships with Macs requires a\n\
10 * comma on the .section line, but the rest of the world thinks\n\
11 * that's a syntax error. It also wants globals to be explicitly\n\
12 * prefixed with \"_\" as opposed to modern gccs that do the\n\
13 * prefixing for you.\n\
14 */\n\
15.globl _%s\n\
16  .section .rodata,\n\
17  .align 8\n\
18_%s:\n\
19#else\n\
20.globl %s\n\
21  .section .rodata\n\
22  .align 8\n\
23%s:\n\
24#endif\n\
25""" % (var_name, var_name, var_name, var_name))
26
27def file2asm(var_name):
28  print_header(var_name)
29
30  input_size = 0
31  col = 0
32  while True:
33    buf = sys.stdin.read(1024)
34    if len(buf) <= 0:
35      break
36    input_size += len(buf)
37    for c in buf:
38      if col == 0:
39        sys.stdout.write(".byte ")
40      sys.stdout.write("0x%02x" % ord(c))
41      col += 1
42      if col == 16:
43        sys.stdout.write("\n")
44        col = 0
45      elif col % 4 == 0:
46        sys.stdout.write(", ")
47      else:
48        sys.stdout.write(",")
49  # always ends with 0x0 (can fix assembler warnings)
50  if col != 0:
51    sys.stdout.write("0x00")
52    sys.stdout.write("\n")
53
54  # encode file size
55  print_header(var_name + "_size")
56  sys.stdout.write("  .long %d\n" % input_size)
57
58def main(argv):
59  if len(argv) < 2:
60    print "usage: %s <name>" % argv[0]
61    return 1
62
63  file2asm(argv[1])
64
65if __name__ == '__main__':
66  main(sys.argv)
67