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 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_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");
}
}
}
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 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 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");
}
}
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);
}
