private ulong GetMethodDescFromIp(ulong ip)
{
if (ip == 0)
{
return(0);
}
IMethodDescData data = Request <IMethodDescData, V35MethodDescData>(DacRequests.METHODDESC_IP_DATA, ip);
if (data == null)
{
data = Request <IMethodDescData, V2MethodDescData>(DacRequests.METHODDESC_IP_DATA, ip);
}
if (data == null)
{
CodeHeaderData codeHeaderData = new CodeHeaderData();
if (RequestStruct(DacRequests.CODEHEADER_DATA, ip, ref codeHeaderData))
{
return(codeHeaderData.MethodDesc);
}
}
return(data != null ? data.MethodDesc : 0);
}
private ClrMethodData?GetJitCompiledMethodByCodeHeaderIfValid(SOSDac sos, CodeHeaderData codeHeader)
{
if (codeHeader.MethodStart.Value == -1 || codeHeader.HotRegionSize == 0)
{
return(null);
}
return(new(
sos.GetMethodDescName(codeHeader.MethodDesc),
unchecked ((ulong)codeHeader.MethodStart.Value),
codeHeader.HotRegionSize
));
}
private IMethodDescData GetMethodDescData(uint request_id, ulong addr)
{
if (addr == 0)
{
return(null);
}
IMethodDescData result;
if (_version == DesktopVersion.v4 || _patch > 4016)
{
result = Request <IMethodDescData, V35MethodDescData>(request_id, addr);
}
else if (_patch < 3053)
{
result = Request <IMethodDescData, V2MethodDescData>(request_id, addr);
}
else
{
// We aren't sure which version it is between 3053 and 4016, so we'll just do both. Slow, but we
// might not even encounter those versions in the wild.
result = Request <IMethodDescData, V35MethodDescData>(request_id, addr);
if (result == null)
{
result = Request <IMethodDescData, V2MethodDescData>(request_id, addr);
}
}
if (result == null && request_id == DacRequests.METHODDESC_IP_DATA)
{
CodeHeaderData codeHeaderData = new CodeHeaderData();
if (RequestStruct(DacRequests.CODEHEADER_DATA, addr, ref codeHeaderData))
{
result = GetMethodDescData(DacRequests.METHODDESC_DATA, codeHeaderData.MethodDesc);
}
}
return(result);
}
internal override IList <ulong> GetMethodDescList(ulong methodTable)
{
IMethodTableData mtData = Request <IMethodTableData, LegacyMethodTableData>(DacRequests.METHODTABLE_DATA, methodTable);
ulong[] values = new ulong[mtData.NumMethods];
if (mtData.NumMethods == 0)
{
return(values);
}
CodeHeaderData codeHeader = new CodeHeaderData();
byte[] slotArgs = new byte[0x10];
byte[] result = new byte[sizeof(ulong)];
WriteValueToBuffer(methodTable, slotArgs, 0);
for (int i = 0; i < mtData.NumMethods; ++i)
{
WriteValueToBuffer(i, slotArgs, sizeof(ulong));
if (!Request(DacRequests.METHODTABLE_SLOT, slotArgs, result))
{
continue;
}
ulong ip = BitConverter.ToUInt64(result, 0);
if (!RequestStruct(DacRequests.CODEHEADER_DATA, ip, ref codeHeader))
{
continue;
}
values[i] = codeHeader.MethodDesc;
}
return(values);
}
