126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
# Unicorn Engine
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# By Dang Hoang Vu, 2013
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from __future__ import print_function
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import sys, re
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INCL_DIR = '../include/unicorn/'
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include = [ 'arm.h', 'arm64.h', 'mips.h', 'x86.h', 'sparc.h', 'm68k.h', 'unicorn.h' ]
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template = {
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'python': {
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'header': "# For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT [%s_const.py]\n",
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'footer': "",
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'line_format': '%s = %s\n',
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'out_file': './python/unicorn/%s_const.py',
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# prefixes for constant filenames of all archs - case sensitive
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'arm.h': 'arm',
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'arm64.h': 'arm64',
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'mips.h': 'mips',
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'x86.h': 'x86',
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'sparc.h': 'sparc',
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'm68k.h': 'm68k',
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'unicorn.h': 'unicorn',
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'comment_open': '#',
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'comment_close': '',
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},
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'go': {
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'header': "package unicorn\n// For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT [%s_const.go]\nconst (\n",
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'footer': ")",
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'line_format': '\t%s = %s\n',
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'out_file': './go/unicorn/%s_const.go',
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# prefixes for constant filenames of all archs - case sensitive
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'arm.h': 'arm',
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'arm64.h': 'arm64',
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'mips.h': 'mips',
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'x86.h': 'x86',
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'sparc.h': 'sparc',
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'm68k.h': 'm68k',
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'unicorn.h': 'unicorn',
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'comment_open': '//',
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'comment_close': '',
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},
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}
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# markup for comments to be added to autogen files
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MARKUP = '//>'
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def gen(lang):
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global include, INCL_DIR
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templ = template[lang]
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for target in include:
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prefix = templ[target]
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outfile = open(templ['out_file'] %(prefix), 'w')
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outfile.write(templ['header'] % (prefix))
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if target == 'unicorn.h':
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prefix = ''
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lines = open(INCL_DIR + target).readlines()
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previous = {}
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count = 0
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for line in lines:
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line = line.strip()
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if line.startswith(MARKUP): # markup for comments
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outfile.write("\n%s%s%s\n" %(templ['comment_open'], \
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line.replace(MARKUP, ''), templ['comment_close']))
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continue
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if line == '' or line.startswith('//'):
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continue
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tmp = line.strip().split(',')
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for t in tmp:
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t = t.strip()
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if not t or t.startswith('//'): continue
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f = re.split('\s+', t)
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# parse #define UC_TARGET (num)
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define = False
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if f[0] == '#define' and len(f) >= 3 and f[2].isdigit():
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define = True
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f.pop(0)
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f.insert(1, '=')
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if f[0].startswith("UC_" + prefix.upper()):
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if len(f) > 1 and f[1] not in ('//', '='):
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print("Error: Unable to convert %s" % f)
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continue
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elif len(f) > 1 and f[1] == '=':
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rhs = ''.join(f[2:])
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else:
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rhs = str(count)
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count += 1
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lhs = f[0].strip()
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# evaluate bitshifts in constants e.g. "UC_X86 = 1 << 1"
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match = re.match(r'(?P<rhs>\s*\d+\s*<<\s*\d+\s*)', rhs)
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if match:
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rhs = eval(match.group(1))
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else:
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# evaluate references to other constants e.g. "UC_ARM_REG_X = UC_ARM_REG_SP"
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match = re.match(r'^([^\d]\w+)$', rhs)
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if match:
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rhs = previous[match.group(1)]
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count = int(rhs) + 1
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if (count == 1):
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outfile.write("\n")
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outfile.write(templ['line_format'] % (lhs, rhs))
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previous[lhs] = rhs
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outfile.write(templ['footer'])
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outfile.close()
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def main():
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lang = sys.argv[1]
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if not lang in template:
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raise RuntimeError("Unsupported binding %s" % lang)
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gen(sys.argv[1])
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("Usage:", sys.argv[0], " <python>")
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sys.exit(1)
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main()
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