public virtual void show_index_info(IHunk info)
{
// references from index
if (info.refs != null && info.refs.Count > 0)
{
this.print_extra("refs", string.Format("#{0}", info.refs.Count));
if (!this.brief)
{
foreach (var @ref in info.refs)
{
this.print_symbol(~0u, @ref.name, string.Format("({0} bits)", @ref.bits));
}
}
}
// defines from index
if (info.defs != null && info.defs.Count > 0)
{
this.print_extra("defs", string.Format("#{0}", info.defs.Count));
if (!this.brief)
{
foreach (var d in info.defs)
{
this.print_symbol((uint) d.value, d.name, string.Format("(type {0})", d.type));
}
}
}
}
public virtual void ParseIndex(Action <Hunk> h)
{
var hunk = new IndexHunk();
h(hunk);
var index_size = this.read_long();
var total_size = index_size * 4;
// First read string table
var strtab_size = f.ReadBeInt16();
var strtab = f.ReadBytes(strtab_size);
total_size -= strtab_size + 2;
// Read units
var units = new List <Unit>();
hunk.units = units;
var unit_no = 0;
while (total_size > 2)
{
// Read name of unit
var name_offset = f.ReadBeInt16();
total_size -= 2;
if (name_offset == 0)
{
break;
}
var unit = new Unit {
unit_no = unit_no
};
units.Add(unit);
++unit_no;
// Generate unit name
unit.name = this.get_index_name(strtab, name_offset);
// hunks in unit
var hunk_begin = f.ReadBeInt16();
var num_hunks = f.ReadBeInt16();
total_size -= 4;
unit.hunk_begin_offset = hunk_begin;
// For all hunks in unit
var ihunks = new List <IHunk>();
unit.hunk_infos = ihunks;
for (var a = 0; a < num_hunks; ++a)
{
var ihunk = new IHunk();
ihunks.Add(ihunk);
// get hunk info
name_offset = f.ReadBeInt16();
var hunk_size = f.ReadBeInt16();
var hunk_type = f.ReadBeInt16();
total_size -= 6;
ihunk.name = this.get_index_name(strtab, name_offset);
ihunk.size = hunk_size;
ihunk.type = hunk_type & 16383;
ihunk.memf = this.SetMemoryFlags(hunk_type & 49152, 14);
// get references
var num_refs = f.ReadBeInt16();
total_size -= 2;
if (num_refs > 0)
{
var refs = new List <Reference>();
ihunk.refs = refs;
for (var b = 0; b < num_refs; ++b)
{
var @ref = new Reference();
name_offset = f.ReadBeInt16();
total_size -= 2;
var name = this.get_index_name(strtab, name_offset);
if (name == "")
{
// 16 bit refs point to the previous zero byte before the string entry...
name = this.get_index_name(strtab, name_offset + 1);
@ref.bits = 16;
}
else
{
@ref.bits = 32;
}
@ref.name = name;
refs.Add(@ref);
// get definitions
}
}
var num_defs = f.ReadBeInt16();
total_size -= 2;
if (num_defs > 0)
{
var defs = new List <Definition>();
ihunk.defs = defs;
for (var b = 0; b < num_defs; ++b)
{
name_offset = f.ReadBeInt16();
var def_value = f.ReadBeInt16();
var def_type_flags = f.ReadBeInt16();
var def_type = def_type_flags & 16383;
var def_flags = def_type_flags & 49152;
total_size -= 6;
var name = this.get_index_name(strtab, name_offset);
var d = new Definition
{
name = name,
value = def_value,
type = def_type
};
d.memf = this.SetMemoryFlags(def_flags, 14);
defs.Add(d);
}
}
}
}
// Align hunk to long-word.
if (total_size == 2)
{
f.ReadBeInt16();
}
else if (total_size != 0)
{
throw new BadImageFormatException(string.Format("{0} has invalid padding.", hunk.HunkType));
}
}
public virtual void ParseIndex(Action<Hunk> h)
{
var hunk = new IndexHunk();
h(hunk);
var index_size = this.read_long();
var total_size = index_size * 4;
// First read string table
var strtab_size = f.ReadBeInt16();
var strtab = f.ReadBytes(strtab_size);
total_size -= strtab_size + 2;
// Read units
var units = new List<Unit>();
hunk.units = units;
var unit_no = 0;
while (total_size > 2)
{
// Read name of unit
var name_offset = f.ReadBeInt16();
total_size -= 2;
if (name_offset == 0)
break;
var unit = new Unit { unit_no = unit_no };
units.Add(unit);
++unit_no;
// Generate unit name
unit.name = this.get_index_name(strtab, name_offset);
// hunks in unit
var hunk_begin = f.ReadBeInt16();
var num_hunks = f.ReadBeInt16();
total_size -= 4;
unit.hunk_begin_offset = hunk_begin;
// For all hunks in unit
var ihunks = new List<IHunk>();
unit.hunk_infos = ihunks;
for (var a = 0; a < num_hunks; ++a)
{
var ihunk = new IHunk();
ihunks.Add(ihunk);
// get hunk info
name_offset = f.ReadBeInt16();
var hunk_size = f.ReadBeInt16();
var hunk_type = f.ReadBeInt16();
total_size -= 6;
ihunk.name = this.get_index_name(strtab, name_offset);
ihunk.size = hunk_size;
ihunk.type = hunk_type & 16383;
ihunk.memf = this.SetMemoryFlags(hunk_type & 49152, 14);
// get references
var num_refs = f.ReadBeInt16();
total_size -= 2;
if (num_refs > 0)
{
var refs = new List<Reference>();
ihunk.refs = refs;
for (var b = 0; b < num_refs; ++b)
{
var @ref = new Reference();
name_offset = f.ReadBeInt16();
total_size -= 2;
var name = this.get_index_name(strtab, name_offset);
if (name == "")
{
// 16 bit refs point to the previous zero byte before the string entry...
name = this.get_index_name(strtab, name_offset + 1);
@ref.bits = 16;
}
else
{
@ref.bits = 32;
}
@ref.name = name;
refs.Add(@ref);
// get definitions
}
}
var num_defs = f.ReadBeInt16();
total_size -= 2;
if (num_defs > 0)
{
var defs = new List<Definition>();
ihunk.defs = defs;
for (var b = 0; b < num_defs; ++b)
{
name_offset = f.ReadBeInt16();
var def_value = f.ReadBeInt16();
var def_type_flags = f.ReadBeInt16();
var def_type = def_type_flags & 16383;
var def_flags = def_type_flags & 49152;
total_size -= 6;
var name = this.get_index_name(strtab, name_offset);
var d = new Definition
{
name = name,
value = def_value,
type = def_type
};
d.memf = this.SetMemoryFlags(def_flags, 14);
defs.Add(d);
}
}
}
}
// Align hunk to long-word.
if (total_size == 2)
{
f.ReadBeInt16();
}
else if (total_size != 0)
throw new BadImageFormatException(string.Format("{0} has invalid padding.", hunk.HunkType));
}
