public HunkFile()
{
this.type = FileType.TYPE_UNKNOWN;
this.hunks = new List<Hunk>();
this.header = null;
this.segments = new List<List<Hunk>>();
this.overlay = null;
this.overlay_headers = null;
this.overlay_segments = null;
this.libs = null;
this.units = null;
}
public HunkShow(HunkFile hunk_file, bool show_relocs, bool show_debug, bool disassemble, uint disassemble_start, bool hexdump, bool brief, bool use_objdump, string cpu)
{
this.hunk_file = hunk_file;
// clone file refs
this.header = hunk_file.header;
this.segments = hunk_file.segments;
this.overlay = hunk_file.overlay;
this.overlay_headers = hunk_file.overlay_headers;
this.overlay_segments = hunk_file.overlay_segments;
this.libs = hunk_file.libs;
this.units = hunk_file.units;
this.show_relocs = show_relocs;
this.show_debug = show_debug;
this.disassemble = disassemble;
this.disassemble_start = disassemble_start;
this.use_objdump = use_objdump;
this.cpu = cpu;
this.hexdump = hexdump;
this.brief = brief;
}
// ----- printing -----
public virtual void print_header(HeaderHunk hdr)
{
Console.WriteLine(String.Format("\t header (segments: first={0}, last={1}, table size={2})", hdr.FirstHunkId, hdr.LastHunkId, hdr.table_size));
}
public HeaderHunk ParseHeader(Action<Hunk> h)
{
var hunk = new HeaderHunk();
h(hunk);
var names = new List<string>();
hunk.HunkNames = names;
while (true)
{
var t = this.ReadString();
if (t == null)
throw new BadImageFormatException("Error parsing header hunk names.");
else if (t.Length == 0)
{
break;
}
names.Add(t);
}
// Table size and hunk range
var table_size = f.ReadBeInt32();
var first_hunk = f.ReadBeInt32();
var last_hunk = f.ReadBeInt32();
if (table_size < 0 || first_hunk < 0 || last_hunk < 0)
throw new BadImageFormatException("Invalid header hunk.");
hunk.table_size = table_size;
hunk.FirstHunkId = first_hunk;
hunk.LastHunkId = last_hunk;
// Determine number of hunks in size table
int num_hunks = last_hunk - first_hunk + 1;
var hunkInfos = new List<HunkInfo>();
for (int a = 0; a < num_hunks; ++a)
{
var hunk_info = new HunkInfo();
int hunk_size = this.read_long();
hunk_size &= 0x3FFFFFFF; // Top 2 bits not handled yet.
if (hunk_size < 0)
throw new BadImageFormatException("Head hunk contains invalid hunk_size.");
int hunk_bytes = (hunk_size & ~Hunk.HUNKF_ALL) * 4;
hunk_info.Size = hunk_bytes;
hunk_info.Flags = this.SetMemoryFlags(hunk_size & Hunk.HUNKF_ALL, 30);
hunkInfos.Add(hunk_info);
}
hunk.HunkInfos = hunkInfos;
return hunk;
}
