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Diffstat (limited to 'tools/include/xen-foreign/mkheader.py')
| -rw-r--r-- | tools/include/xen-foreign/mkheader.py | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/tools/include/xen-foreign/mkheader.py b/tools/include/xen-foreign/mkheader.py new file mode 100644 index 0000000000..3d75a7a4b6 --- /dev/null +++ b/tools/include/xen-foreign/mkheader.py @@ -0,0 +1,167 @@ +#!/usr/bin/python + +import sys, re; +from structs import unions, structs, defines; + +# command line arguments +arch = sys.argv[1]; +outfile = sys.argv[2]; +infiles = sys.argv[3:]; + + +########################################################################### +# configuration #2: architecture information + +inttypes = {}; +header = {}; +footer = {}; + +# x86_32 +inttypes["x86_32"] = { + "unsigned long" : "uint32_t", + "long" : "uint32_t", + "xen_pfn_t" : "uint32_t", +}; +header["x86_32"] = """ +#define __i386___X86_32 1 +#pragma pack(4) +"""; +footer["x86_32"] = """ +#pragma pack() +"""; + +# x86_64 +inttypes["x86_64"] = { + "unsigned long" : "__align8__ uint64_t", + "long" : "__align8__ uint64_t", + "xen_pfn_t" : "__align8__ uint64_t", +}; +header["x86_64"] = """ +#ifdef __GNUC__ +# define __DECL_REG(name) union { uint64_t r ## name, e ## name; } +# define __align8__ __attribute__((aligned (8))) +#else +# define __DECL_REG(name) uint64_t r ## name +# define __align8__ FIXME +#endif +#define __x86_64___X86_64 1 +"""; + +# ia64 +inttypes["ia64"] = { + "unsigned long" : "__align8__ uint64_t", + "long" : "__align8__ uint64_t", + "xen_pfn_t" : "__align8__ uint64_t", + "long double" : "__align16__ ldouble_t", +}; +header["ia64"] = """ +#define __align8__ __attribute__((aligned (8))) +#define __align16__ __attribute__((aligned (16))) +typedef unsigned char ldouble_t[16]; +"""; + + +########################################################################### +# main + +input = ""; +output = ""; +fileid = re.sub("[-.]", "_", "__FOREIGN_%s__" % outfile.upper()); + +# read input header files +for name in infiles: + f = open(name, "r"); + input += f.read(); + f.close(); + +# add header +output += """ +/* + * public xen defines and struct for %s + * generated by %s -- DO NOT EDIT + */ + +#ifndef %s +#define %s 1 + +""" % (arch, sys.argv[0], fileid, fileid) + +if arch in header: + output += header[arch]; + output += "\n"; + +# add defines to output +for line in re.findall("#define[^\n]+", input): + for define in defines: + regex = "#define\s+%s\\b" % define; + match = re.search(regex, line); + if None == match: + continue; + if define.upper()[0] == define[0]: + replace = define + "_" + arch.upper(); + else: + replace = define + "_" + arch; + regex = "\\b%s\\b" % define; + output += re.sub(regex, replace, line) + "\n"; +output += "\n"; + +# delete defines, comments, empty lines +input = re.sub("#define[^\n]+\n", "", input); +input = re.compile("/\*(.*?)\*/", re.S).sub("", input) +input = re.compile("\n\s*\n", re.S).sub("\n", input); + +# add unions to output +for union in unions: + regex = "union\s+%s\s*\{(.*?)\n\};" % union; + match = re.search(regex, input, re.S) + if None == match: + output += "#define %s_has_no_%s 1\n" % (arch, union); + else: + output += "union %s_%s {%s\n};\n" % (union, arch, match.group(1)); + output += "\n"; + +# add structs to output +for struct in structs: + regex = "struct\s+%s\s*\{(.*?)\n\};" % struct; + match = re.search(regex, input, re.S) + if None == match: + output += "#define %s_has_no_%s 1\n" % (arch, struct); + else: + output += "struct %s_%s {%s\n};\n" % (struct, arch, match.group(1)); + output += "typedef struct %s_%s %s_%s_t;\n" % (struct, arch, struct, arch); + output += "\n"; + +# add footer +if arch in footer: + output += footer[arch]; + output += "\n"; +output += "#endif /* %s */\n" % fileid; + +# replace: defines +for define in defines: + if define.upper()[0] == define[0]: + replace = define + "_" + arch.upper(); + else: + replace = define + "_" + arch; + output = re.sub("\\b%s\\b" % define, replace, output); + +# replace: unions +for union in unions: + output = re.sub("\\b(union\s+%s)\\b" % union, "\\1_%s" % arch, output); + +# replace: structs + struct typedefs +for struct in structs: + output = re.sub("\\b(struct\s+%s)\\b" % struct, "\\1_%s" % arch, output); + output = re.sub("\\b(%s)_t\\b" % struct, "\\1_%s_t" % arch, output); + +# replace: integer types +integers = inttypes[arch].keys(); +integers.sort(lambda a, b: cmp(len(b),len(a))); +for type in integers: + output = re.sub("\\b%s\\b" % type, inttypes[arch][type], output); + +# print results +f = open(outfile, "w"); +f.write(output); +f.close; + |