void read_note_section()
{
threads = new ArrayList();
foreach (Bfd.Section section in core_bfd.Sections)
{
if (!section.name.StartsWith(".reg/"))
{
continue;
}
int pid = Int32.Parse(section.name.Substring(5));
CoreFileThread thread = new CoreFileThread(this, pid);
OnThreadCreatedEvent(thread);
threads.Add(thread);
}
#if FIXME
TargetReader reader = core_bfd.GetSectionReader("note0");
while (reader.Offset < reader.Size)
{
long offset = reader.Offset;
int namesz = reader.ReadInteger();
int descsz = reader.ReadInteger();
int type = reader.ReadInteger();
string name = null;
if (namesz != 0)
{
char[] namebuf = new char [namesz];
for (int i = 0; i < namesz; i++)
{
namebuf [i] = (char)reader.ReadByte();
}
name = new String(namebuf);
}
byte[] desc = null;
if (descsz != 0)
{
desc = reader.BinaryReader.ReadBuffer(descsz);
}
// Console.WriteLine ("NOTE: {0} {1:x} {2}", offset, type, name);
// Console.WriteLine (TargetBinaryReader.HexDump (desc));
reader.Offset += 4 - (reader.Offset % 4);
}
#endif
}
void read_thread_table()
{
TargetAddress ptr = main_thread.ReadAddress(debugger_info.ThreadTable);
while (!ptr.IsNull)
{
int size = 56 + main_thread.TargetMemoryInfo.TargetAddressSize;
TargetReader reader = new TargetReader(main_thread.ReadMemory(ptr, size));
long tid = reader.ReadLongInteger();
TargetAddress lmf_addr = reader.ReadAddress();
reader.ReadAddress(); // end stack
ptr = reader.ReadAddress();
TargetAddress stack_start = reader.ReadAddress();
TargetAddress signal_stack_start = reader.ReadAddress();
int stack_size = reader.ReadInteger();
int signal_stack_size = reader.ReadInteger();
bool found = false;
foreach (CoreFileThread thread in threads)
{
TargetAddress sp = thread.CurrentFrame.StackPointer;
if ((sp >= stack_start) && (sp < stack_start + stack_size))
{
thread.SetLMFAddress(tid, lmf_addr);
found = true;
break;
}
else if (!signal_stack_start.IsNull &&
(sp >= signal_stack_start) &&
(sp < signal_stack_start + signal_stack_size))
{
thread.SetLMFAddress(tid, lmf_addr);
found = true;
break;
}
}
if (!found)
{
Console.WriteLine("InternalError: did not find the address for the thread");
}
}
}
public void Read(TargetMemoryAccess memory)
{
int address_size = memory.TargetMemoryInfo.TargetAddressSize;
int header_size = 16 + address_size;
if (first_chunk.IsNull) {
first_chunk = memory.ReadAddress (TableAddress + 8);
current_chunk = first_chunk;
}
if (current_chunk.IsNull)
return;
again:
TargetReader reader = new TargetReader (
memory.ReadMemory (current_chunk, header_size));
reader.ReadInteger (); /* size */
int allocated_size = reader.ReadInteger ();
int current_offset = reader.ReadInteger ();
reader.ReadInteger (); /* dummy */
TargetAddress next = reader.ReadAddress ();
read_data_items (memory, current_chunk + header_size,
last_offset, current_offset);
last_offset = current_offset;
if (!next.IsNull && (current_offset == allocated_size)) {
current_chunk = next;
last_offset = 0;
goto again;
}
}
// This method reads the MonoDebuggerSymbolTable structure
// (struct definition is in mono-debug-debugger.h)
void do_read_symbol_table(TargetMemoryAccess memory)
{
TargetAddress symtab_address = memory.ReadAddress (info.SymbolTable);
if (symtab_address.IsNull)
throw new SymbolTableException ("Symbol table is null.");
TargetReader header = new TargetReader (
memory.ReadMemory (symtab_address, info.SymbolTableSize));
long magic = header.BinaryReader.ReadInt64 ();
if (magic != MonoDebuggerInfo.DynamicMagic)
throw new SymbolTableException (
"Debugger symbol table has unknown magic {0:x}.", magic);
int version = header.ReadInteger ();
if (version < MonoDebuggerInfo.MinDynamicVersion)
throw new SymbolTableException (
"Debugger symbol table has version {0}, but " +
"expected at least {1}.", version,
MonoDebuggerInfo.MinDynamicVersion);
if (version > MonoDebuggerInfo.MaxDynamicVersion)
throw new SymbolTableException (
"Debugger symbol table has version {0}, but " +
"expected at most {1}.", version,
MonoDebuggerInfo.MaxDynamicVersion);
int total_size = header.ReadInteger ();
if (total_size != info.SymbolTableSize)
throw new SymbolTableException (
"Debugger symbol table has size {0}, but " +
"expected {1}.", total_size, info.SymbolTableSize);
TargetAddress corlib_address = header.ReadAddress ();
TargetAddress global_data_table_ptr = header.ReadAddress ();
TargetAddress data_table_list = header.ReadAddress ();
TargetAddress symfile_by_index = header.ReadAddress ();
if (corlib_address.IsNull)
throw new SymbolTableException ("Corlib address is null.");
corlib = load_symfile (memory, corlib_address);
if (corlib == null)
throw new SymbolTableException ("Cannot read corlib!");
TargetAddress ptr = symfile_by_index;
while (!ptr.IsNull) {
TargetAddress next_ptr = memory.ReadAddress (ptr);
TargetAddress address = memory.ReadAddress (
ptr + memory.TargetMemoryInfo.TargetAddressSize);
ptr = next_ptr;
load_symfile (memory, address);
}
ptr = data_table_list;
while (!ptr.IsNull) {
TargetAddress next_ptr = memory.ReadAddress (ptr);
TargetAddress address = memory.ReadAddress (
ptr + memory.TargetMemoryInfo.TargetAddressSize);
ptr = next_ptr;
add_data_table (memory, address);
}
global_data_table = new GlobalDataTable (this, global_data_table_ptr);
}
void add_data_table(TargetMemoryAccess memory, TargetAddress ptr)
{
int table_size = 8 + 2 * memory.TargetMemoryInfo.TargetAddressSize;
TargetReader reader = new TargetReader (memory.ReadMemory (ptr, table_size));
int domain = reader.ReadInteger ();
reader.Offset += 4;
DomainDataTable table = (DomainDataTable) data_tables [domain];
if (table == null) {
TargetAddress first_chunk = reader.ReadAddress ();
table = new DomainDataTable (this, domain, ptr, first_chunk);
data_tables.Add (domain, table);
}
}
void read_thread_table()
{
TargetAddress ptr = main_thread.ReadAddress (debugger_info.ThreadTable);
while (!ptr.IsNull) {
int size = 56 + main_thread.TargetMemoryInfo.TargetAddressSize;
TargetReader reader = new TargetReader (main_thread.ReadMemory (ptr, size));
long tid = reader.ReadLongInteger ();
TargetAddress lmf_addr = reader.ReadAddress ();
reader.ReadAddress (); // end stack
ptr = reader.ReadAddress ();
TargetAddress stack_start = reader.ReadAddress ();
TargetAddress signal_stack_start = reader.ReadAddress ();
int stack_size = reader.ReadInteger ();
int signal_stack_size = reader.ReadInteger ();
bool found = false;
foreach (CoreFileThread thread in threads) {
TargetAddress sp = thread.CurrentFrame.StackPointer;
if ((sp >= stack_start) && (sp < stack_start + stack_size)) {
thread.SetLMFAddress (tid, lmf_addr);
found = true;
break;
} else if (!signal_stack_start.IsNull &&
(sp >= signal_stack_start) &&
(sp < signal_stack_start + signal_stack_size)) {
thread.SetLMFAddress (tid, lmf_addr);
found = true;
break;
}
}
if (!found)
Console.WriteLine ("InternalError: did not find the address for the thread");
}
}