public static void Skip(BlobReader reader)
{
var opCode = (OpCode)reader.ReadByte();
if (opCode == OpCode.Prefix1)
opCode = (OpCode)((ushort)opCode << 8 | reader.ReadByte());
switch (opCode)
{
case OpCode.Nop:
case OpCode.Break:
case OpCode.Ldarg_0:
case OpCode.Ldarg_1:
case OpCode.Ldarg_2:
case OpCode.Ldarg_3:
case OpCode.Ldloc_0:
case OpCode.Ldloc_1:
case OpCode.Ldloc_2:
case OpCode.Ldloc_3:
case OpCode.Stloc_0:
case OpCode.Stloc_1:
case OpCode.Stloc_2:
case OpCode.Stloc_3:
case OpCode.Ldnull:
case OpCode.Ldc_i4_m1:
case OpCode.Ldc_i4_0:
case OpCode.Ldc_i4_1:
case OpCode.Ldc_i4_2:
case OpCode.Ldc_i4_3:
case OpCode.Ldc_i4_4:
case OpCode.Ldc_i4_5:
case OpCode.Ldc_i4_6:
case OpCode.Ldc_i4_7:
case OpCode.Ldc_i4_8:
case OpCode.Dup:
case OpCode.Pop:
case OpCode.Ret:
case OpCode.Ldind_i1:
case OpCode.Ldind_u1:
case OpCode.Ldind_i2:
case OpCode.Ldind_u2:
case OpCode.Ldind_i4:
case OpCode.Ldind_u4:
case OpCode.Ldind_i8:
case OpCode.Ldind_i:
case OpCode.Ldind_r4:
case OpCode.Ldind_r8:
case OpCode.Ldind_ref:
case OpCode.Stind_ref:
case OpCode.Stind_i1:
case OpCode.Stind_i2:
case OpCode.Stind_i4:
case OpCode.Stind_i8:
case OpCode.Stind_r4:
case OpCode.Stind_r8:
case OpCode.Add:
case OpCode.Sub:
case OpCode.Mul:
case OpCode.Div:
case OpCode.Div_un:
case OpCode.Rem:
case OpCode.Rem_un:
case OpCode.And:
case OpCode.Or:
case OpCode.Xor:
case OpCode.Shl:
case OpCode.Shr:
case OpCode.Shr_un:
case OpCode.Neg:
case OpCode.Not:
case OpCode.Conv_i1:
case OpCode.Conv_i2:
case OpCode.Conv_i4:
case OpCode.Conv_i8:
case OpCode.Conv_r4:
case OpCode.Conv_r8:
case OpCode.Conv_u4:
case OpCode.Conv_u8:
case OpCode.Conv_r_un:
case OpCode.Throw:
case OpCode.Conv_ovf_i1_un:
case OpCode.Conv_ovf_i2_un:
case OpCode.Conv_ovf_i4_un:
case OpCode.Conv_ovf_i8_un:
case OpCode.Conv_ovf_u1_un:
case OpCode.Conv_ovf_u2_un:
case OpCode.Conv_ovf_u4_un:
case OpCode.Conv_ovf_u8_un:
case OpCode.Conv_ovf_i_un:
case OpCode.Conv_ovf_u_un:
case OpCode.Ldlen:
case OpCode.Ldelem_i1:
case OpCode.Ldelem_u1:
case OpCode.Ldelem_i2:
case OpCode.Ldelem_u2:
case OpCode.Ldelem_i4:
case OpCode.Ldelem_u4:
case OpCode.Ldelem_i8:
case OpCode.Ldelem_i:
case OpCode.Ldelem_r4:
case OpCode.Ldelem_r8:
case OpCode.Ldelem_ref:
case OpCode.Stelem_i:
case OpCode.Stelem_i1:
case OpCode.Stelem_i2:
case OpCode.Stelem_i4:
case OpCode.Stelem_i8:
case OpCode.Stelem_r4:
case OpCode.Stelem_r8:
case OpCode.Stelem_ref:
case OpCode.Conv_ovf_i1:
case OpCode.Conv_ovf_u1:
case OpCode.Conv_ovf_i2:
case OpCode.Conv_ovf_u2:
case OpCode.Conv_ovf_i4:
case OpCode.Conv_ovf_u4:
case OpCode.Conv_ovf_i8:
case OpCode.Conv_ovf_u8:
case OpCode.Ckfinite:
case OpCode.Conv_u2:
case OpCode.Conv_u1:
case OpCode.Conv_i:
case OpCode.Conv_ovf_i:
case OpCode.Conv_ovf_u:
case OpCode.Add_ovf:
case OpCode.Add_ovf_un:
case OpCode.Mul_ovf:
case OpCode.Mul_ovf_un:
case OpCode.Sub_ovf:
case OpCode.Sub_ovf_un:
case OpCode.Endfinally:
case OpCode.Stind_i:
case OpCode.Conv_u:
case OpCode.Prefix7:
case OpCode.Prefix6:
case OpCode.Prefix5:
case OpCode.Prefix4:
case OpCode.Prefix3:
case OpCode.Prefix2:
case OpCode.Prefix1:
case OpCode.Prefixref:
case OpCode.Arglist:
case OpCode.Ceq:
case OpCode.Cgt:
case OpCode.Cgt_un:
case OpCode.Clt:
case OpCode.Clt_un:
case OpCode.Localloc:
case OpCode.Endfilter:
case OpCode.Volatile:
case OpCode.Tailcall:
case OpCode.Cpblk:
case OpCode.Initblk:
case OpCode.Rethrow:
case OpCode.Refanytype:
case OpCode.Readonly:
break;
case OpCode.Br_s:
case OpCode.Brfalse_s:
case OpCode.Brtrue_s:
case OpCode.Beq_s:
case OpCode.Bge_s:
case OpCode.Bgt_s:
case OpCode.Ble_s:
case OpCode.Blt_s:
case OpCode.Bne_un_s:
case OpCode.Bge_un_s:
case OpCode.Bgt_un_s:
case OpCode.Ble_un_s:
case OpCode.Blt_un_s:
case OpCode.Leave_s:
case OpCode.Ldc_i4_s:
reader.ReadSByte();
break;
case OpCode.Unaligned:
case OpCode.Ldarg_s:
case OpCode.Ldarga_s:
case OpCode.Starg_s:
case OpCode.Ldloc_s:
case OpCode.Ldloca_s:
case OpCode.Stloc_s:
reader.ReadByte();
break;
case OpCode.Br:
case OpCode.Brfalse:
case OpCode.Brtrue:
case OpCode.Beq:
case OpCode.Bge:
case OpCode.Bgt:
case OpCode.Ble:
case OpCode.Blt:
case OpCode.Bne_un:
case OpCode.Bge_un:
case OpCode.Bgt_un:
case OpCode.Ble_un:
case OpCode.Blt_un:
case OpCode.Leave:
case OpCode.Ldc_i4:
reader.ReadInt32();
break;
case OpCode.Ldfld:
case OpCode.Ldflda:
case OpCode.Stfld:
case OpCode.Ldsfld:
case OpCode.Ldsflda:
case OpCode.Stsfld:
case OpCode.Calli:
case OpCode.Ldstr:
case OpCode.Ldtoken:
case OpCode.Cpobj:
case OpCode.Ldobj:
case OpCode.Castclass:
case OpCode.Isinst:
case OpCode.Unbox:
case OpCode.Stobj:
case OpCode.Box:
case OpCode.Newarr:
case OpCode.Ldelema:
case OpCode.Ldelem:
case OpCode.Stelem:
case OpCode.Unbox_any:
case OpCode.Refanyval:
case OpCode.Mkrefany:
case OpCode.Initobj:
case OpCode.Constrained:
case OpCode.Sizeof:
case OpCode.Ldarg:
case OpCode.Ldarga:
case OpCode.Starg:
case OpCode.Ldloc:
case OpCode.Ldloca:
case OpCode.Stloc:
case OpCode.Jmp:
case OpCode.Call:
case OpCode.Callvirt:
case OpCode.Newobj:
case OpCode.Ldftn:
case OpCode.Ldvirtftn:
reader.ReadUInt32();
break;
case OpCode.Ldc_i8:
reader.ReadInt64();
break;
case OpCode.Ldc_r4:
reader.ReadSingle();
break;
case OpCode.Ldc_r8:
reader.ReadDouble();
break;
case OpCode.Switch:
{
var numTargets = (int)reader.ReadUInt32();
for (var i = 0; i < numTargets; i++)
reader.ReadInt32();
break;
}
default:
throw new PEException("unrecognised opcode");
}
}
public void Read(ReaderContext ctxt, BlobReader reader, uint beginOffset, Func<OpCode, Row, object> resolveRow)
{
Offset = (int)(reader.Offset - beginOffset);
OpCode = (OpCode)reader.ReadByte();
if (OpCode == OpCode.Prefix1)
OpCode = (OpCode)((ushort)OpCode << 8 | reader.ReadByte());
Value = default(object);
switch (OpCode)
{
case OpCode.Nop:
case OpCode.Break:
case OpCode.Ldarg_0:
case OpCode.Ldarg_1:
case OpCode.Ldarg_2:
case OpCode.Ldarg_3:
case OpCode.Ldloc_0:
case OpCode.Ldloc_1:
case OpCode.Ldloc_2:
case OpCode.Ldloc_3:
case OpCode.Stloc_0:
case OpCode.Stloc_1:
case OpCode.Stloc_2:
case OpCode.Stloc_3:
case OpCode.Ldnull:
case OpCode.Ldc_i4_m1:
case OpCode.Ldc_i4_0:
case OpCode.Ldc_i4_1:
case OpCode.Ldc_i4_2:
case OpCode.Ldc_i4_3:
case OpCode.Ldc_i4_4:
case OpCode.Ldc_i4_5:
case OpCode.Ldc_i4_6:
case OpCode.Ldc_i4_7:
case OpCode.Ldc_i4_8:
case OpCode.Dup:
case OpCode.Pop:
case OpCode.Ret:
case OpCode.Ldind_i1:
case OpCode.Ldind_u1:
case OpCode.Ldind_i2:
case OpCode.Ldind_u2:
case OpCode.Ldind_i4:
case OpCode.Ldind_u4:
case OpCode.Ldind_i8:
case OpCode.Ldind_i:
case OpCode.Ldind_r4:
case OpCode.Ldind_r8:
case OpCode.Ldind_ref:
case OpCode.Stind_ref:
case OpCode.Stind_i1:
case OpCode.Stind_i2:
case OpCode.Stind_i4:
case OpCode.Stind_i8:
case OpCode.Stind_r4:
case OpCode.Stind_r8:
case OpCode.Add:
case OpCode.Sub:
case OpCode.Mul:
case OpCode.Div:
case OpCode.Div_un:
case OpCode.Rem:
case OpCode.Rem_un:
case OpCode.And:
case OpCode.Or:
case OpCode.Xor:
case OpCode.Shl:
case OpCode.Shr:
case OpCode.Shr_un:
case OpCode.Neg:
case OpCode.Not:
case OpCode.Conv_i1:
case OpCode.Conv_i2:
case OpCode.Conv_i4:
case OpCode.Conv_i8:
case OpCode.Conv_r4:
case OpCode.Conv_r8:
case OpCode.Conv_u4:
case OpCode.Conv_u8:
case OpCode.Conv_r_un:
case OpCode.Throw:
case OpCode.Conv_ovf_i1_un:
case OpCode.Conv_ovf_i2_un:
case OpCode.Conv_ovf_i4_un:
case OpCode.Conv_ovf_i8_un:
case OpCode.Conv_ovf_u1_un:
case OpCode.Conv_ovf_u2_un:
case OpCode.Conv_ovf_u4_un:
case OpCode.Conv_ovf_u8_un:
case OpCode.Conv_ovf_i_un:
case OpCode.Conv_ovf_u_un:
case OpCode.Ldlen:
case OpCode.Ldelem_i1:
case OpCode.Ldelem_u1:
case OpCode.Ldelem_i2:
case OpCode.Ldelem_u2:
case OpCode.Ldelem_i4:
case OpCode.Ldelem_u4:
case OpCode.Ldelem_i8:
case OpCode.Ldelem_i:
case OpCode.Ldelem_r4:
case OpCode.Ldelem_r8:
case OpCode.Ldelem_ref:
case OpCode.Stelem_i:
case OpCode.Stelem_i1:
case OpCode.Stelem_i2:
case OpCode.Stelem_i4:
case OpCode.Stelem_i8:
case OpCode.Stelem_r4:
case OpCode.Stelem_r8:
case OpCode.Stelem_ref:
case OpCode.Conv_ovf_i1:
case OpCode.Conv_ovf_u1:
case OpCode.Conv_ovf_i2:
case OpCode.Conv_ovf_u2:
case OpCode.Conv_ovf_i4:
case OpCode.Conv_ovf_u4:
case OpCode.Conv_ovf_i8:
case OpCode.Conv_ovf_u8:
case OpCode.Ckfinite:
case OpCode.Conv_u2:
case OpCode.Conv_u1:
case OpCode.Conv_i:
case OpCode.Conv_ovf_i:
case OpCode.Conv_ovf_u:
case OpCode.Add_ovf:
case OpCode.Add_ovf_un:
case OpCode.Mul_ovf:
case OpCode.Mul_ovf_un:
case OpCode.Sub_ovf:
case OpCode.Sub_ovf_un:
case OpCode.Endfinally:
case OpCode.Stind_i:
case OpCode.Conv_u:
case OpCode.Prefix7:
case OpCode.Prefix6:
case OpCode.Prefix5:
case OpCode.Prefix4:
case OpCode.Prefix3:
case OpCode.Prefix2:
case OpCode.Prefix1:
case OpCode.Prefixref:
case OpCode.Arglist:
case OpCode.Ceq:
case OpCode.Cgt:
case OpCode.Cgt_un:
case OpCode.Clt:
case OpCode.Clt_un:
case OpCode.Localloc:
case OpCode.Endfilter:
case OpCode.Volatile:
case OpCode.Tailcall:
case OpCode.Cpblk:
case OpCode.Initblk:
case OpCode.Rethrow:
case OpCode.Refanytype:
case OpCode.Readonly:
break;
case OpCode.Br:
case OpCode.Brfalse:
case OpCode.Brtrue:
case OpCode.Beq:
case OpCode.Bge:
case OpCode.Bgt:
case OpCode.Ble:
case OpCode.Blt:
case OpCode.Bne_un:
case OpCode.Bge_un:
case OpCode.Bgt_un:
case OpCode.Ble_un:
case OpCode.Blt_un:
case OpCode.Leave:
{
// NOTE: Delta is w.r.t. start of next instruction
var delta = reader.ReadInt32();
Value = (int)(reader.Offset - beginOffset) + delta;
}
break;
case OpCode.Br_s:
case OpCode.Brfalse_s:
case OpCode.Brtrue_s:
case OpCode.Beq_s:
case OpCode.Bge_s:
case OpCode.Bgt_s:
case OpCode.Ble_s:
case OpCode.Blt_s:
case OpCode.Bne_un_s:
case OpCode.Bge_un_s:
case OpCode.Bgt_un_s:
case OpCode.Ble_un_s:
case OpCode.Blt_un_s:
case OpCode.Leave_s:
{
var delta = reader.ReadSByte();
Value = (int)(reader.Offset - beginOffset) + delta;
}
break;
case OpCode.Ldc_i4_s:
Value = (int)reader.ReadSByte();
break;
case OpCode.Unaligned:
case OpCode.Ldarg_s:
case OpCode.Ldarga_s:
case OpCode.Starg_s:
case OpCode.Ldloc_s:
case OpCode.Ldloca_s:
case OpCode.Stloc_s:
Value = (int)reader.ReadByte();
break;
case OpCode.Ldc_i4:
Value = reader.ReadInt32();
break;
case OpCode.Ldarg:
case OpCode.Ldarga:
case OpCode.Starg:
case OpCode.Ldloc:
case OpCode.Ldloca:
case OpCode.Stloc:
Value = (int)reader.ReadUInt32();
break;
case OpCode.Ldc_i8:
Value = reader.ReadInt64();
break;
case OpCode.Ldc_r4:
Value = reader.ReadSingle();
break;
case OpCode.Ldc_r8:
Value = reader.ReadDouble();
break;
case OpCode.Ldstr:
Value = ReadUserString(ctxt, reader);
break;
case OpCode.Switch:
{
var numTargets = (int)reader.ReadUInt32();
var targets = new Seq<int>(numTargets);
// Read as offsets from end of switch, then fixup to offsets from start of instructions
for (var i = 0; i < numTargets; i++)
targets.Add(reader.ReadInt32());
for (var i = 0; i < numTargets; i++)
targets[i] = (int)(reader.Offset - beginOffset) + targets[i];
Value = targets;
}
break;
case OpCode.Calli:
case OpCode.Ldfld:
case OpCode.Ldflda:
case OpCode.Stfld:
case OpCode.Ldsfld:
case OpCode.Ldsflda:
case OpCode.Stsfld:
case OpCode.Jmp:
case OpCode.Call:
case OpCode.Callvirt:
case OpCode.Newobj:
case OpCode.Ldftn:
case OpCode.Ldvirtftn:
case OpCode.Ldtoken:
case OpCode.Cpobj:
case OpCode.Ldobj:
case OpCode.Castclass:
case OpCode.Isinst:
case OpCode.Unbox:
case OpCode.Stobj:
case OpCode.Box:
case OpCode.Newarr:
case OpCode.Ldelema:
case OpCode.Ldelem:
case OpCode.Stelem:
case OpCode.Unbox_any:
case OpCode.Refanyval:
case OpCode.Mkrefany:
case OpCode.Initobj:
case OpCode.Constrained:
case OpCode.Sizeof:
Value = resolveRow(OpCode, ReadToken(ctxt, reader));
break;
default:
throw new PEException("unrecognised opcode");
}
}
public void Read(ReaderContext ctxt, BlobReader reader, uint beginOffset, Func <OpCode, Row, object> resolveRow)
{
Offset = (int)(reader.Offset - beginOffset);
OpCode = (OpCode)reader.ReadByte();
if (OpCode == OpCode.Prefix1)
{
OpCode = (OpCode)((ushort)OpCode << 8 | reader.ReadByte());
}
Value = default(object);
switch (OpCode)
{
case OpCode.Nop:
case OpCode.Break:
case OpCode.Ldarg_0:
case OpCode.Ldarg_1:
case OpCode.Ldarg_2:
case OpCode.Ldarg_3:
case OpCode.Ldloc_0:
case OpCode.Ldloc_1:
case OpCode.Ldloc_2:
case OpCode.Ldloc_3:
case OpCode.Stloc_0:
case OpCode.Stloc_1:
case OpCode.Stloc_2:
case OpCode.Stloc_3:
case OpCode.Ldnull:
case OpCode.Ldc_i4_m1:
case OpCode.Ldc_i4_0:
case OpCode.Ldc_i4_1:
case OpCode.Ldc_i4_2:
case OpCode.Ldc_i4_3:
case OpCode.Ldc_i4_4:
case OpCode.Ldc_i4_5:
case OpCode.Ldc_i4_6:
case OpCode.Ldc_i4_7:
case OpCode.Ldc_i4_8:
case OpCode.Dup:
case OpCode.Pop:
case OpCode.Ret:
case OpCode.Ldind_i1:
case OpCode.Ldind_u1:
case OpCode.Ldind_i2:
case OpCode.Ldind_u2:
case OpCode.Ldind_i4:
case OpCode.Ldind_u4:
case OpCode.Ldind_i8:
case OpCode.Ldind_i:
case OpCode.Ldind_r4:
case OpCode.Ldind_r8:
case OpCode.Ldind_ref:
case OpCode.Stind_ref:
case OpCode.Stind_i1:
case OpCode.Stind_i2:
case OpCode.Stind_i4:
case OpCode.Stind_i8:
case OpCode.Stind_r4:
case OpCode.Stind_r8:
case OpCode.Add:
case OpCode.Sub:
case OpCode.Mul:
case OpCode.Div:
case OpCode.Div_un:
case OpCode.Rem:
case OpCode.Rem_un:
case OpCode.And:
case OpCode.Or:
case OpCode.Xor:
case OpCode.Shl:
case OpCode.Shr:
case OpCode.Shr_un:
case OpCode.Neg:
case OpCode.Not:
case OpCode.Conv_i1:
case OpCode.Conv_i2:
case OpCode.Conv_i4:
case OpCode.Conv_i8:
case OpCode.Conv_r4:
case OpCode.Conv_r8:
case OpCode.Conv_u4:
case OpCode.Conv_u8:
case OpCode.Conv_r_un:
case OpCode.Throw:
case OpCode.Conv_ovf_i1_un:
case OpCode.Conv_ovf_i2_un:
case OpCode.Conv_ovf_i4_un:
case OpCode.Conv_ovf_i8_un:
case OpCode.Conv_ovf_u1_un:
case OpCode.Conv_ovf_u2_un:
case OpCode.Conv_ovf_u4_un:
case OpCode.Conv_ovf_u8_un:
case OpCode.Conv_ovf_i_un:
case OpCode.Conv_ovf_u_un:
case OpCode.Ldlen:
case OpCode.Ldelem_i1:
case OpCode.Ldelem_u1:
case OpCode.Ldelem_i2:
case OpCode.Ldelem_u2:
case OpCode.Ldelem_i4:
case OpCode.Ldelem_u4:
case OpCode.Ldelem_i8:
case OpCode.Ldelem_i:
case OpCode.Ldelem_r4:
case OpCode.Ldelem_r8:
case OpCode.Ldelem_ref:
case OpCode.Stelem_i:
case OpCode.Stelem_i1:
case OpCode.Stelem_i2:
case OpCode.Stelem_i4:
case OpCode.Stelem_i8:
case OpCode.Stelem_r4:
case OpCode.Stelem_r8:
case OpCode.Stelem_ref:
case OpCode.Conv_ovf_i1:
case OpCode.Conv_ovf_u1:
case OpCode.Conv_ovf_i2:
case OpCode.Conv_ovf_u2:
case OpCode.Conv_ovf_i4:
case OpCode.Conv_ovf_u4:
case OpCode.Conv_ovf_i8:
case OpCode.Conv_ovf_u8:
case OpCode.Ckfinite:
case OpCode.Conv_u2:
case OpCode.Conv_u1:
case OpCode.Conv_i:
case OpCode.Conv_ovf_i:
case OpCode.Conv_ovf_u:
case OpCode.Add_ovf:
case OpCode.Add_ovf_un:
case OpCode.Mul_ovf:
case OpCode.Mul_ovf_un:
case OpCode.Sub_ovf:
case OpCode.Sub_ovf_un:
case OpCode.Endfinally:
case OpCode.Stind_i:
case OpCode.Conv_u:
case OpCode.Prefix7:
case OpCode.Prefix6:
case OpCode.Prefix5:
case OpCode.Prefix4:
case OpCode.Prefix3:
case OpCode.Prefix2:
case OpCode.Prefix1:
case OpCode.Prefixref:
case OpCode.Arglist:
case OpCode.Ceq:
case OpCode.Cgt:
case OpCode.Cgt_un:
case OpCode.Clt:
case OpCode.Clt_un:
case OpCode.Localloc:
case OpCode.Endfilter:
case OpCode.Volatile:
case OpCode.Tailcall:
case OpCode.Cpblk:
case OpCode.Initblk:
case OpCode.Rethrow:
case OpCode.Refanytype:
case OpCode.Readonly:
break;
case OpCode.Br:
case OpCode.Brfalse:
case OpCode.Brtrue:
case OpCode.Beq:
case OpCode.Bge:
case OpCode.Bgt:
case OpCode.Ble:
case OpCode.Blt:
case OpCode.Bne_un:
case OpCode.Bge_un:
case OpCode.Bgt_un:
case OpCode.Ble_un:
case OpCode.Blt_un:
case OpCode.Leave:
{
// NOTE: Delta is w.r.t. start of next instruction
var delta = reader.ReadInt32();
Value = (int)(reader.Offset - beginOffset) + delta;
}
break;
case OpCode.Br_s:
case OpCode.Brfalse_s:
case OpCode.Brtrue_s:
case OpCode.Beq_s:
case OpCode.Bge_s:
case OpCode.Bgt_s:
case OpCode.Ble_s:
case OpCode.Blt_s:
case OpCode.Bne_un_s:
case OpCode.Bge_un_s:
case OpCode.Bgt_un_s:
case OpCode.Ble_un_s:
case OpCode.Blt_un_s:
case OpCode.Leave_s:
{
var delta = reader.ReadSByte();
Value = (int)(reader.Offset - beginOffset) + delta;
}
break;
case OpCode.Ldc_i4_s:
Value = (int)reader.ReadSByte();
break;
case OpCode.Unaligned:
case OpCode.Ldarg_s:
case OpCode.Ldarga_s:
case OpCode.Starg_s:
case OpCode.Ldloc_s:
case OpCode.Ldloca_s:
case OpCode.Stloc_s:
Value = (int)reader.ReadByte();
break;
case OpCode.Ldc_i4:
Value = reader.ReadInt32();
break;
case OpCode.Ldarg:
case OpCode.Ldarga:
case OpCode.Starg:
case OpCode.Ldloc:
case OpCode.Ldloca:
case OpCode.Stloc:
Value = (int)reader.ReadUInt32();
break;
case OpCode.Ldc_i8:
Value = reader.ReadInt64();
break;
case OpCode.Ldc_r4:
Value = reader.ReadSingle();
break;
case OpCode.Ldc_r8:
Value = reader.ReadDouble();
break;
case OpCode.Ldstr:
Value = ReadUserString(ctxt, reader);
break;
case OpCode.Switch:
{
var numTargets = (int)reader.ReadUInt32();
var targets = new Seq <int>(numTargets);
// Read as offsets from end of switch, then fixup to offsets from start of instructions
for (var i = 0; i < numTargets; i++)
{
targets.Add(reader.ReadInt32());
}
for (var i = 0; i < numTargets; i++)
{
targets[i] = (int)(reader.Offset - beginOffset) + targets[i];
}
Value = targets;
}
break;
case OpCode.Calli:
case OpCode.Ldfld:
case OpCode.Ldflda:
case OpCode.Stfld:
case OpCode.Ldsfld:
case OpCode.Ldsflda:
case OpCode.Stsfld:
case OpCode.Jmp:
case OpCode.Call:
case OpCode.Callvirt:
case OpCode.Newobj:
case OpCode.Ldftn:
case OpCode.Ldvirtftn:
case OpCode.Ldtoken:
case OpCode.Cpobj:
case OpCode.Ldobj:
case OpCode.Castclass:
case OpCode.Isinst:
case OpCode.Unbox:
case OpCode.Stobj:
case OpCode.Box:
case OpCode.Newarr:
case OpCode.Ldelema:
case OpCode.Ldelem:
case OpCode.Stelem:
case OpCode.Unbox_any:
case OpCode.Refanyval:
case OpCode.Mkrefany:
case OpCode.Initobj:
case OpCode.Constrained:
case OpCode.Sizeof:
Value = resolveRow(OpCode, ReadToken(ctxt, reader));
break;
default:
throw new PEException("unrecognised opcode");
}
}
public static void Skip(BlobReader reader)
{
var opCode = (OpCode)reader.ReadByte();
if (opCode == OpCode.Prefix1)
{
opCode = (OpCode)((ushort)opCode << 8 | reader.ReadByte());
}
switch (opCode)
{
case OpCode.Nop:
case OpCode.Break:
case OpCode.Ldarg_0:
case OpCode.Ldarg_1:
case OpCode.Ldarg_2:
case OpCode.Ldarg_3:
case OpCode.Ldloc_0:
case OpCode.Ldloc_1:
case OpCode.Ldloc_2:
case OpCode.Ldloc_3:
case OpCode.Stloc_0:
case OpCode.Stloc_1:
case OpCode.Stloc_2:
case OpCode.Stloc_3:
case OpCode.Ldnull:
case OpCode.Ldc_i4_m1:
case OpCode.Ldc_i4_0:
case OpCode.Ldc_i4_1:
case OpCode.Ldc_i4_2:
case OpCode.Ldc_i4_3:
case OpCode.Ldc_i4_4:
case OpCode.Ldc_i4_5:
case OpCode.Ldc_i4_6:
case OpCode.Ldc_i4_7:
case OpCode.Ldc_i4_8:
case OpCode.Dup:
case OpCode.Pop:
case OpCode.Ret:
case OpCode.Ldind_i1:
case OpCode.Ldind_u1:
case OpCode.Ldind_i2:
case OpCode.Ldind_u2:
case OpCode.Ldind_i4:
case OpCode.Ldind_u4:
case OpCode.Ldind_i8:
case OpCode.Ldind_i:
case OpCode.Ldind_r4:
case OpCode.Ldind_r8:
case OpCode.Ldind_ref:
case OpCode.Stind_ref:
case OpCode.Stind_i1:
case OpCode.Stind_i2:
case OpCode.Stind_i4:
case OpCode.Stind_i8:
case OpCode.Stind_r4:
case OpCode.Stind_r8:
case OpCode.Add:
case OpCode.Sub:
case OpCode.Mul:
case OpCode.Div:
case OpCode.Div_un:
case OpCode.Rem:
case OpCode.Rem_un:
case OpCode.And:
case OpCode.Or:
case OpCode.Xor:
case OpCode.Shl:
case OpCode.Shr:
case OpCode.Shr_un:
case OpCode.Neg:
case OpCode.Not:
case OpCode.Conv_i1:
case OpCode.Conv_i2:
case OpCode.Conv_i4:
case OpCode.Conv_i8:
case OpCode.Conv_r4:
case OpCode.Conv_r8:
case OpCode.Conv_u4:
case OpCode.Conv_u8:
case OpCode.Conv_r_un:
case OpCode.Throw:
case OpCode.Conv_ovf_i1_un:
case OpCode.Conv_ovf_i2_un:
case OpCode.Conv_ovf_i4_un:
case OpCode.Conv_ovf_i8_un:
case OpCode.Conv_ovf_u1_un:
case OpCode.Conv_ovf_u2_un:
case OpCode.Conv_ovf_u4_un:
case OpCode.Conv_ovf_u8_un:
case OpCode.Conv_ovf_i_un:
case OpCode.Conv_ovf_u_un:
case OpCode.Ldlen:
case OpCode.Ldelem_i1:
case OpCode.Ldelem_u1:
case OpCode.Ldelem_i2:
case OpCode.Ldelem_u2:
case OpCode.Ldelem_i4:
case OpCode.Ldelem_u4:
case OpCode.Ldelem_i8:
case OpCode.Ldelem_i:
case OpCode.Ldelem_r4:
case OpCode.Ldelem_r8:
case OpCode.Ldelem_ref:
case OpCode.Stelem_i:
case OpCode.Stelem_i1:
case OpCode.Stelem_i2:
case OpCode.Stelem_i4:
case OpCode.Stelem_i8:
case OpCode.Stelem_r4:
case OpCode.Stelem_r8:
case OpCode.Stelem_ref:
case OpCode.Conv_ovf_i1:
case OpCode.Conv_ovf_u1:
case OpCode.Conv_ovf_i2:
case OpCode.Conv_ovf_u2:
case OpCode.Conv_ovf_i4:
case OpCode.Conv_ovf_u4:
case OpCode.Conv_ovf_i8:
case OpCode.Conv_ovf_u8:
case OpCode.Ckfinite:
case OpCode.Conv_u2:
case OpCode.Conv_u1:
case OpCode.Conv_i:
case OpCode.Conv_ovf_i:
case OpCode.Conv_ovf_u:
case OpCode.Add_ovf:
case OpCode.Add_ovf_un:
case OpCode.Mul_ovf:
case OpCode.Mul_ovf_un:
case OpCode.Sub_ovf:
case OpCode.Sub_ovf_un:
case OpCode.Endfinally:
case OpCode.Stind_i:
case OpCode.Conv_u:
case OpCode.Prefix7:
case OpCode.Prefix6:
case OpCode.Prefix5:
case OpCode.Prefix4:
case OpCode.Prefix3:
case OpCode.Prefix2:
case OpCode.Prefix1:
case OpCode.Prefixref:
case OpCode.Arglist:
case OpCode.Ceq:
case OpCode.Cgt:
case OpCode.Cgt_un:
case OpCode.Clt:
case OpCode.Clt_un:
case OpCode.Localloc:
case OpCode.Endfilter:
case OpCode.Volatile:
case OpCode.Tailcall:
case OpCode.Cpblk:
case OpCode.Initblk:
case OpCode.Rethrow:
case OpCode.Refanytype:
case OpCode.Readonly:
break;
case OpCode.Br_s:
case OpCode.Brfalse_s:
case OpCode.Brtrue_s:
case OpCode.Beq_s:
case OpCode.Bge_s:
case OpCode.Bgt_s:
case OpCode.Ble_s:
case OpCode.Blt_s:
case OpCode.Bne_un_s:
case OpCode.Bge_un_s:
case OpCode.Bgt_un_s:
case OpCode.Ble_un_s:
case OpCode.Blt_un_s:
case OpCode.Leave_s:
case OpCode.Ldc_i4_s:
reader.ReadSByte();
break;
case OpCode.Unaligned:
case OpCode.Ldarg_s:
case OpCode.Ldarga_s:
case OpCode.Starg_s:
case OpCode.Ldloc_s:
case OpCode.Ldloca_s:
case OpCode.Stloc_s:
reader.ReadByte();
break;
case OpCode.Br:
case OpCode.Brfalse:
case OpCode.Brtrue:
case OpCode.Beq:
case OpCode.Bge:
case OpCode.Bgt:
case OpCode.Ble:
case OpCode.Blt:
case OpCode.Bne_un:
case OpCode.Bge_un:
case OpCode.Bgt_un:
case OpCode.Ble_un:
case OpCode.Blt_un:
case OpCode.Leave:
case OpCode.Ldc_i4:
reader.ReadInt32();
break;
case OpCode.Ldfld:
case OpCode.Ldflda:
case OpCode.Stfld:
case OpCode.Ldsfld:
case OpCode.Ldsflda:
case OpCode.Stsfld:
case OpCode.Calli:
case OpCode.Ldstr:
case OpCode.Ldtoken:
case OpCode.Cpobj:
case OpCode.Ldobj:
case OpCode.Castclass:
case OpCode.Isinst:
case OpCode.Unbox:
case OpCode.Stobj:
case OpCode.Box:
case OpCode.Newarr:
case OpCode.Ldelema:
case OpCode.Ldelem:
case OpCode.Stelem:
case OpCode.Unbox_any:
case OpCode.Refanyval:
case OpCode.Mkrefany:
case OpCode.Initobj:
case OpCode.Constrained:
case OpCode.Sizeof:
case OpCode.Ldarg:
case OpCode.Ldarga:
case OpCode.Starg:
case OpCode.Ldloc:
case OpCode.Ldloca:
case OpCode.Stloc:
case OpCode.Jmp:
case OpCode.Call:
case OpCode.Callvirt:
case OpCode.Newobj:
case OpCode.Ldftn:
case OpCode.Ldvirtftn:
reader.ReadUInt32();
break;
case OpCode.Ldc_i8:
reader.ReadInt64();
break;
case OpCode.Ldc_r4:
reader.ReadSingle();
break;
case OpCode.Ldc_r8:
reader.ReadDouble();
break;
case OpCode.Switch:
{
var numTargets = (int)reader.ReadUInt32();
for (var i = 0; i < numTargets; i++)
{
reader.ReadInt32();
}
break;
}
default:
throw new PEException("unrecognised opcode");
}
}
public override object ReadValue(BlobReader reader, Func<string, CustomAttributePropertyType> resolveType)
{
switch (Type)
{
case PrimitiveType.Boolean:
return reader.ReadByte() == 0 ? false : true;
case PrimitiveType.Char:
return (char)reader.ReadUInt16();
case PrimitiveType.Int8:
return reader.ReadSByte();
case PrimitiveType.Int16:
return reader.ReadInt16();
case PrimitiveType.Int32:
return reader.ReadInt32();
case PrimitiveType.Int64:
return reader.ReadInt64();
case PrimitiveType.UInt8:
return reader.ReadByte();
case PrimitiveType.UInt16:
return reader.ReadUInt16();
case PrimitiveType.UInt32:
return reader.ReadUInt32();
case PrimitiveType.UInt64:
return reader.ReadUInt64();
case PrimitiveType.IntNative:
case PrimitiveType.UIntNative:
throw new PEException("cannot read native integers");
case PrimitiveType.Single:
return reader.ReadSingle();
case PrimitiveType.Double:
return reader.ReadDouble();
case PrimitiveType.String:
return reader.ReadUTF8SizedString();
case PrimitiveType.Type:
return new TypeCustomAttributePropertyValue { Name = reader.ReadUTF8SizedString() };
case PrimitiveType.Object:
case PrimitiveType.TypedRef:
case PrimitiveType.Void:
throw new PEException("invalid type tag in custom attribute");
default:
throw new ArgumentOutOfRangeException();
}
}