| public ReadMemory ( TargetAddress address, int size ) : TargetBlob | ||
| address | TargetAddress | |
| size | int | |
| Résultat | TargetBlob | |
void read_dynamic_info(Inferior inferior)
{
if (has_dynlink_info) {
if (!dyld_all_image_infos.IsNull)
do_update_shlib_info (inferior);
return;
}
TargetMemoryInfo info = Inferior.GetTargetMemoryInfo (AddressDomain.Global);
Bfd dyld_image = new Bfd (this, info, "/usr/lib/dyld", TargetAddress.Null, true);
dyld_all_image_infos = dyld_image.LookupSymbol("dyld_all_image_infos");
if (dyld_all_image_infos.IsNull)
return;
int size = 2 * inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize;
TargetReader reader = new TargetReader (inferior.ReadMemory (dyld_all_image_infos, size));
reader.ReadLongInteger (); // version
reader.ReadLongInteger (); // infoArrayCount
reader.ReadAddress (); // infoArray
TargetAddress dyld_image_notifier = reader.ReadAddress ();
has_dynlink_info = true;
Instruction insn = inferior.Architecture.ReadInstruction (inferior, dyld_image_notifier);
if ((insn == null) || !insn.CanInterpretInstruction)
throw new InternalError ("Unknown dynlink breakpoint: {0}", dyld_image_notifier);
dynlink_breakpoint = new DynlinkBreakpoint (this, insn);
dynlink_breakpoint.Insert (inferior);
do_update_shlib_info (inferior);
check_loaded_library (inferior, main_bfd);
void read_dynamic_info(Inferior inferior)
{
if (has_dynlink_info) {
if (!first_link_map.IsNull)
do_update_shlib_info (inferior);
return;
}
TargetAddress debug_base = main_bfd.ReadDynamicInfo (inferior);
if (debug_base.IsNull)
return;
int size = 2 * inferior.TargetLongIntegerSize + 3 * inferior.TargetAddressSize;
TargetReader reader = new TargetReader (inferior.ReadMemory (debug_base, size));
if (reader.ReadLongInteger () != 1)
return;
first_link_map = reader.ReadAddress ();
dynlink_breakpoint_addr = reader.ReadAddress ();
rdebug_state_addr = debug_base + reader.Offset;
if (reader.ReadLongInteger () != 0)
return;
has_dynlink_info = true;
Instruction insn = inferior.Architecture.ReadInstruction (inferior, dynlink_breakpoint_addr);
if ((insn == null) || !insn.CanInterpretInstruction)
throw new InternalError ("Unknown dynlink breakpoint: {0}", dynlink_breakpoint_addr);
dynlink_breakpoint = new DynlinkBreakpoint (this, insn);
dynlink_breakpoint.Insert (inferior);
do_update_shlib_info (inferior);
check_loaded_library (inferior, main_bfd);
}
void do_update_shlib_info(Inferior inferior)
{
// if (Process.MonoRuntimeFound)
// return;
if (!dyld_all_image_infos.IsNull) {
int size = 2 * inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize;
TargetReader reader = new TargetReader (inferior.ReadMemory (dyld_all_image_infos, size));
reader.ReadLongInteger (); // version
int infoArrayCount = (int)reader.ReadLongInteger ();
TargetAddress infoArray = reader.ReadAddress ();
size = infoArrayCount * (inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize);
reader = new TargetReader (inferior.ReadMemory (infoArray, size));
Console.Write("Loading symbols for shared libraries:");
for (int i=0; i<infoArrayCount; i++)
{
TargetAddress imageLoadAddress = reader.ReadAddress();
TargetAddress imageFilePath = reader.ReadAddress();
reader.ReadLongInteger(); //imageFileModDate
string name = inferior.ReadString (imageFilePath);
if (name == null)
continue;
if (bfd_hash.Contains (name))
continue;
try {
Console.Write(".");
AddExecutableFile (inferior, name, imageLoadAddress/*TargetAddress.Null*/, false, true);
}
catch (SymbolTableException e)
{
Console.WriteLine("Unable to load binary for "+name);
bfd_hash.Add (name, null);
}
}
Console.WriteLine("");
}
}
void do_update_shlib_info(Inferior inferior)
{
bool first = true;
TargetAddress map = first_link_map;
while (!map.IsNull) {
int the_size = 4 * inferior.TargetAddressSize;
TargetReader map_reader = new TargetReader (inferior.ReadMemory (map, the_size));
TargetAddress l_addr = map_reader.ReadAddress ();
TargetAddress l_name = map_reader.ReadAddress ();
map_reader.ReadAddress ();
string name;
try {
name = inferior.ReadString (l_name);
// glibc 2.3.x uses the empty string for the virtual
// "linux-gate.so.1".
if ((name != null) && (name == ""))
name = null;
} catch {
name = null;
}
map = map_reader.ReadAddress ();
if (first) {
first = false;
continue;
}
if (name == null)
continue;
if (bfd_hash.Contains (name))
continue;
bool step_into = Process.ProcessStart.LoadNativeSymbolTable;
AddExecutableFile (inferior, name, l_addr, step_into, true);
}
}