public virtual void show_ext_hunk(ExtHunk hunk)
{
// definition
foreach (var ext in hunk.ext_def)
{
var tname = ext.type.ToString().Replace("EXT_", "").ToLower();
this.print_symbol(ext.def, ext.name, tname);
}
// references
foreach (var ext in hunk.ext_ref)
{
var refs = ext.refs;
var tname = ext.type.ToString().Replace("EXT_", "").ToLower();
foreach (var @ref in refs)
{
this.print_symbol(@ref, ext.name, tname);
}
}
// common_base
foreach (var ext in hunk.ext_common)
{
var tname = ext.type.ToString().Replace("EXT_", "").ToLower();
this.print_symbol(ext.common_size, ext.name, tname);
}
}
public void ParseExt(Action<Hunk> h)
{
var hunk = new ExtHunk();
h(hunk);
var ext_def = new List<ExtObject>();
var ext_ref = new List<ExtObject>();
var ext_common = new List<ExtObject>();
hunk.ext_def = ext_def;
hunk.ext_ref = ext_ref;
hunk.ext_common = ext_common;
var ext_type_size = 1;
while (ext_type_size > 0)
{
// ext type | size
ext_type_size = this.read_long();
if (ext_type_size < 0)
throw new BadImageFormatException(string.Format("{0} has invalid size.", hunk.HunkType));
var ext_type = (ExtType) (ext_type_size >> (int) ExtType.EXT_TYPE_SHIFT);
var ext_size = ext_type_size & (int) ExtType.EXT_TYPE_SIZE_MASK;
// ext name
string ext_name = this.ReadSizedString(ext_size);
if (ext_name == null)
throw new BadImageFormatException(string.Format("{0} has invalid name.", hunk.HunkType));
else if (ext_name.Length == 0)
break;
// create local ext object
var ext = new ExtObject { type = ext_type, name = ext_name };
// check and setup type name
if (!ext_names.ContainsKey(ext_type))
throw new BadImageFormatException(string.Format("{0} has unspported ext entry {1}.", hunk.HunkType, ext_type));
// ext common
if (ext_type == ExtType.EXT_ABSCOMMON || ext_type == ExtType.EXT_RELCOMMON)
{
ext.common_size = (uint) this.read_long();
ext_common.Add(ext);
// ext def
}
else if (ext_type == ExtType.EXT_DEF || ext_type == ExtType.EXT_ABS || ext_type == ExtType.EXT_RES)
{
ext.def = f.ReadBeUInt32();
ext_def.Add(ext);
}
else
{
// ext ref
var num_refs = this.read_long();
if (num_refs == 0)
{
num_refs = 1;
}
var refs = new List<uint>();
for (int a = 0; a < num_refs; ++a)
{
var @ref = f.ReadBeUInt32();
refs.Add(@ref);
}
ext.refs = refs;
ext_ref.Add(ext);
}
}
}