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2746 lines (2693 loc) · 137 KB
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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include <assert>
#include "KnowledgeBase.h"
#include "Misc.h"
#include "TypeInfo.h"
extern BYTE *Code;
extern DWORD TotalSize;
extern DWORD CodeBase;
//extern MDisasm Disasm;
extern DWORD EP;
//extern int VmtSelfPtr;
extern int dummy;
extern String SourceFile;
extern int LastResStrNo;
//---------------------------------------------------------------------------
//Registers Indexes (IDR32)
//0 1 2 3 4 5 6 7
//al, cl, dl, bl, ah, ch, dh, bh
//8 9 10 11 12 13 14 15
//ax, cx, dx, bx, sp, bp, si, di
//16 17 18 19 20 21 22 23
//eax, ecx, edx, ebx, esp, ebp, esi, edi
//24 25 26 27 28 29 30 31
//es, cs, ss, ds, fs, gs
#define RCONTEXT_REGNUM 130
//0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
//eax, ecx, edx, ebx, esp, ebp, esi, edi, r8d, r9d, r10d, r11d, r12d, r13d, r14d, r15d
//16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
//rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15
//32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
//ax, cx, dx, bx, sp, bp, si, di, r8w, r9w, r10w, r11w, r12w, r13w, r14w, r15w
//48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
//al, cl, dl, bl, spl, bpl, sil, dil, r8b, r9b, r10b, r11b, r12b, r13b, r14b, r15b
//64 65 66 67
//ah, ch, dh, bh
//74 75 76 77 78 79
//es, cs, ss, ds, fs, gs
//80 81 82 83 84 85 86 87 88 89
// st0 st1 st2 st3 st4 st5 st6 st7
//90 91 92 93 94 95 96 97
//mm0 mm1 mm2 mm3 mm4 mm5 mm6 mm7
//98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113
//xmm0 xmm1 xmm2 xmm3 xmm4 xmm5 xmm6 xmm7 xmm8 xmm9 xmm10 xmm11 xmm12 xmm13 xmm14 xmm15
//114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
//ymm0 ymm1 ymm2 ymm3 ymm4 ymm5 ymm6 ymm7 ymm8 ymm9 ymm10 ymm11 ymm12 ymm13 ymm14 ymm15
//structure for saving context of all registers (branch instruction)
typedef struct
{
int sp;
DWORD adr;
RINFO registers[RCONTEXT_REGNUM];
} RCONTEXT, *PRCONTEXT;
//---------------------------------------------------------------------------
PRCONTEXT __fastcall GetCtx(TList* Ctx, DWORD Adr)
{
for (int n = 0; n < Ctx->Count; n++)
{
PRCONTEXT rinfo = (PRCONTEXT)Ctx->Items[n];
if (rinfo->adr == Adr) return rinfo;
}
return 0;
}
//---------------------------------------------------------------------------
void __fastcall SetRegisterValue(PRINFO regs, int Idx, DWORD Value)
{
for (int n = 0; n < RCONTEXT_REGNUM; n++)
{
if (GetDisasm().IsSimilarRegs(Idx, n))
{
regs[n].value = Value;
}
}
}
//---------------------------------------------------------------------------
//Possible values
//'V' - Virtual table base (for calls processing)
//'v' - var
//'L' - lea local var
//'l' - local var
//'A' - lea argument
//'a' - argument
//'I' - Integer
void __fastcall SetRegisterSource(PRINFO regs, int Idx, char Value)
{
for (int n = 0; n < RCONTEXT_REGNUM; n++)
{
if (GetDisasm().IsSimilarRegs(Idx, n))
{
regs[n].source = Value;
}
}
}
//---------------------------------------------------------------------------
void __fastcall SetRegisterType(PRINFO regs, int Idx, String Value)
{
for (int n = 0; n < RCONTEXT_REGNUM; n++)
{
if (GetDisasm().IsSimilarRegs(Idx, n))
{
regs[n].type = Value;
}
}
}
//---------------------------------------------------------------------------
void __fastcall Idr64Manager::AnalyzeProc2(DWORD fromAdr, bool addArg, bool AnalyzeRetType)
{
//saved context
TList *sctx = new TList;
for (int n = 0; n < 3; n++)
{
if (!AnalyzeProc2(fromAdr, addArg, AnalyzeRetType, sctx)) break;
}
//delete sctx
CleanupList<RCONTEXT>(sctx);
}
//---------------------------------------------------------------------------
bool __fastcall Idr64Manager::AnalyzeProc2(DWORD fromAdr, bool addArg, bool AnalyzeRetType, TList *sctx)
{
BYTE op, b1, b2;
char source;
bool reset, bpBased, vmt, fContinue = false;
WORD bpBase;
int n, num, instrLen, instrLen1, instrLen2, _ap, _procSize;
int reg1Idx, reg2Idx;
int sp = -1;
int fromPos, curPos, Pos;
DWORD curAdr;
DWORD lastMovAdr = 0;
DWORD procAdr, Val, Adr, Adr1;
DWORD reg, varAdr, classAdr, vmtAdr, lastAdr = 0;
PInfoRec recN, recN1;
PLOCALINFO locInfo;
PARGINFO argInfo;
PFIELDINFO fInfo = 0;
PRCONTEXT rinfo;
RINFO rtmp;
String comment, typeName, className = "", varName, varType;
String _rcx_Type, _rdx_Type, _r8_Type, _r9_Type, sType;
RINFO registers[RCONTEXT_REGNUM];
RINFO stack[256];
DISINFO DisInfo, DisInfo1;
fromPos = Adr2Pos(fromAdr);
if (fromPos < 0) return false;
if (IsFlagSet(cfPass2, fromPos)) return false;
if (IsFlagSet(cfEmbedded, fromPos)) return false;
if (IsFlagSet(cfExport, fromPos)) return false;
//Import - return ret type of function
if (IsFlagSet(cfImport, fromPos)) return false;
recN = GetInfoRec(fromAdr);
//if recN = 0 (Interface Methods!!!) then return
if (!recN || !recN->procInfo) return false;
//Procedure from Knowledge Base not analyzed
if (recN && recN->kbIdx != -1) return false;
//if (!IsFlagSet(cfPass1, fromPos))
//???
SetFlag(cfProcStart | cfPass2, fromPos);
//If function name contains class name get it
className = ExtractClassName(recN->GetName());
bpBased = (recN->procInfo->flags & PF_BPBASED);
bpBase = (recN->procInfo->bpBase);
rtmp.result = 0; rtmp.source = 0; rtmp.value = 0; rtmp.type = "";
for (n = 0; n < RCONTEXT_REGNUM; n++) registers[n] = rtmp;
//Get args
_rcx_Type = _rdx_Type = _r8_Type = _r9_Type = "";
BYTE callKind = recN->procInfo->flags & 7;
if (recN->procInfo->args && !callKind) //fastcall
{
for (n = 0; n < recN->procInfo->args->Count; n++)
{
PARGINFO argInfo = (PARGINFO)recN->procInfo->args->Items[n];
if (argInfo->Ndx == 0)
{
if (className != "")
registers[REG_RCX].type = className;
else
registers[REG_RCX].type = argInfo->TypeDef;
_rcx_Type = registers[REG_RCX].type;
//var
if (argInfo->Tag == 0x22) registers[REG_RCX].source = 'v';
continue;
}
if (argInfo->Ndx == 1)
{
registers[REG_RDX].type = argInfo->TypeDef;
_rdx_Type = registers[REG_RDX].type;
//var
if (argInfo->Tag == 0x22) registers[REG_RDX].source = 'v';
continue;
}
if (argInfo->Ndx == 2)
{
registers[REG_R8].type = argInfo->TypeDef;
_r8_Type = registers[REG_R8].type;
//var
if (argInfo->Tag == 0x22) registers[REG_R8].source = 'v';
continue;
}
if (argInfo->Ndx == 3)
{
registers[REG_R9].type = argInfo->TypeDef;
_r9_Type = registers[REG_R9].type;
//var
if (argInfo->Tag == 0x22) registers[REG_R9].source = 'v';
continue;
}
break;
}
}
else if (className != "")
{
registers[REG_RCX].type = className;
}
_procSize = GetProcSize(fromAdr);
curPos = fromPos; curAdr = fromAdr;
while (1)
{
//!!!
//if (curAdr == 0x)
//n = n;
if (curAdr >= CodeBase + TotalSize) break;
b1 = Code[curPos];
b2 = Code[curPos + 1];
if (!b1 && !b2 && !lastAdr) break;
instrLen = GetDisasm().Disassemble(Code + curPos, (__int64)curAdr, &DisInfo, 0);
//if (!instrLen) break;
if (!instrLen)
{
curPos++; curAdr++;
continue;
}
op = GetDisasm().GetOp(DisInfo.MnemIdx);
//Code
SetFlags(cfCode, curPos, instrLen);
//Instruction begin
SetFlag(cfInstruction, curPos);
if (curAdr >= lastAdr) lastAdr = 0;
if (op == OP_JMP)
{
if (curAdr == fromAdr) break;
if (DisInfo.OpType[0] == otMEM)
{
if (Adr2Pos(DisInfo.Offset) < 0 && (!lastAdr || curAdr == lastAdr)) break;
}
if (DisInfo.OpType[0] == otIMM)
{
Adr = DisInfo.Immediate;
if (Adr2Pos(Adr) < 0 && (!lastAdr || curAdr == lastAdr)) break;
if (GetSegmentNo(Adr) != 0 && GetSegmentNo(fromAdr) != GetSegmentNo(Adr) && (!lastAdr || curAdr == lastAdr)) break;
if (Adr < fromAdr && (!lastAdr || curAdr == lastAdr)) break;
curPos += instrLen; curAdr += instrLen;
continue;
}
}
if (DisInfo.Ret)
{
//End of proc
if (!lastAdr || curAdr == lastAdr)
{
if (AnalyzeRetType)
{
//If rax type is not empty then find nearest up instruction of its assignment
if (registers[REG_RAX].type != "")
{
for (Pos = curPos - 1; Pos >= fromPos; Pos--)
{
if (IsFlagSet(cfInstruction, Pos) && !IsFlagSet(cfSkip, Pos))
{
GetDisasm().Disassemble(Code + Pos, (__int64)Pos2Adr(Pos), &DisInfo, 0);
//If branch - break
if (DisInfo.Branch) break;
//If call
//Other cases (call [reg+Ofs]; call [Adr]) need to add
if (DisInfo.Call)
{
Adr = DisInfo.Immediate;
if (IsValidCodeAdr(Adr))
{
recN1 = GetInfoRec(Adr);
if (recN1 && recN1->procInfo/*recN1->kind == ikFunc*/)
{
typeName = recN1->type;
recN1 = GetInfoRec(fromAdr);
if (!(recN1->procInfo->flags & (PF_EVENT | PF_DYNAMIC)) &&
recN1->kind != ikConstructor && recN1->kind != ikDestructor)
{
recN1->kind = ikFunc;
recN1->type = typeName;
}
}
}
}
else if (IsFlagSet(cfSetC, Pos))
{
recN1 = GetInfoRec(fromAdr);
if (!(recN1->procInfo->flags & (PF_EVENT | PF_DYNAMIC)) &&
recN1->kind != ikConstructor && recN1->kind != ikDestructor)
{
recN1->kind = ikFunc;
recN1->type = registers[REG_RCX].type;
}
}
}
}
}
}
break;
}
if (!IsFlagSet(cfSkip, curPos)) sp = -1;
}
//cfBracket
if (IsFlagSet(cfBracket, curPos))
{
if (op == OP_PUSH && sp < 255)
{
reg1Idx = DisInfo.OpRegIdx[0];
sp++;
stack[sp] = registers[reg1Idx];
}
else if (op == OP_POP && sp >= 0)
{
reg1Idx = DisInfo.OpRegIdx[0];
registers[reg1Idx] = stack[sp];
sp--;
}
curPos += instrLen; curAdr += instrLen;
continue;
}
//Ïðîâåðèì, íå ïîïàë ëè âíóòðü èíñòðóêöèè Fixup èëè ThreadVar
bool NameInside = false;
for (int k = 1; k < instrLen; k++)
{
if (HasInfosAt(curPos + k))
{
NameInside = true;
break;
}
}
reset = ((op & OP_RESET) != 0);
if (op == OP_MOV) lastMovAdr = DisInfo.Offset;
//If loc then try get context
if (curAdr != fromAdr && IsFlagSet(cfLoc, curPos))
{
rinfo = GetCtx(sctx, curAdr);
if (rinfo)
{
sp = rinfo->sp;
for (n = 0; n < RCONTEXT_REGNUM; n++) registers[n] = rinfo->registers[n];
}
//context not found - set flag to continue on the next step
else
{
fContinue = true;
}
}
//branch
if (DisInfo.Branch)
{
Adr = DisInfo.Immediate;
if (IsValidCodeAdr(Adr))
{
_ap = Adr2Pos(Adr);
//SetFlag(cfLoc, _ap);
//recN1 = GetInfoRec(Adr);
//if (!recN1) recN1 = new InfoRec(_ap, ikUnknown);
//recN1->AddXref('C', fromAdr, curAdr - fromAdr);
//Save context
if (!GetCtx(sctx, Adr))
{
rinfo = new RCONTEXT;
rinfo->sp = sp;
rinfo->adr = Adr;
for (n = 0; n < RCONTEXT_REGNUM; n++) rinfo->registers[n] = registers[n];
sctx->Add((void*)rinfo);
}
if (Adr >= fromAdr && Adr > lastAdr) lastAdr = Adr;
}
curPos += instrLen; curAdr += instrLen;
continue;
}
if (registers[REG_RAX].type != "" && registers[REG_RAX].type[1] == '#') //??? Need to search!!!
{
DWORD dd = *((DWORD*)(registers[REG_RAX].type.c_str()));
//After call @GetTls look at next instruction with operand [eax+N]
if (dd == 'SLT#')
{
//If not internal name (Fixup, ThreadVar)
if (!NameInside)
{
//Destination (GlobalLists := TList.Create)
//Source (GlobalLists.Add)
if ((DisInfo.OpType[0] == otMEM || DisInfo.OpType[1] == otMEM) && DisInfo.BaseReg == REG_RAX)
{
_ap = Adr2Pos(curAdr); assert(_ap >= 0);
recN1 = GetInfoRec(curAdr + 1);
if (!recN1) recN1 = new InfoRec(_ap + 1, ikThreadVar);
if (!recN1->HasName()) recN1->SetName(String("threadvar_") + DisInfo.Offset);
}
}
SetRegisterValue(registers, REG_RAX, 0xFFFFFFFF);
registers[REG_RAX].type = "";
curPos += instrLen; curAdr += instrLen;
continue;
}
}
//Call
if (DisInfo.Call)
{
Adr = DisInfo.Immediate;
if (IsValidImageAdr(Adr))
{
recN = GetInfoRec(Adr);
if (recN && recN->procInfo)
{
int retBytes = (int)recN->procInfo->retBytes;
if (retBytes != -1 && sp >= retBytes)
sp -= retBytes;
else
sp = -1;
//For constructors type is in rcx
if (recN->kind == ikConstructor)
{
//If dl = 1, then rcx after call used
if (registers[REG_DL].value == 1)
{
classAdr = GetClassAdr(registers[REG_RCX].type);
if (IsValidImageAdr(classAdr))
{
//Add xref to vmt info
recN1 = GetInfoRec(classAdr);
recN1->AddXref('D', Adr, 0);
comment = registers[REG_RCX].type + ".Create";
AddPicode(curPos, OP_CALL, comment, 0);
AnalyzeCall(fromAdr, curPos, Adr, registers);
}
}
SetFlag(cfSetC, curPos);
}
else
{
//Found @Halt0 - exit
if (recN->SameName("@Halt0") && fromAdr == EP && !lastAdr) break;
DWORD dynAdr;
if (recN->SameName("@ClassCreate"))
{
SetRegisterType(registers, REG_RCX, className);
SetFlag(cfSetC, curPos);
}
else if (recN->SameName("@CallDynaInst") ||
recN->SameName("@CallDynaClass"))
{
comment = GetDynaInfo(GetClassAdr(registers[REG_RCX].type), registers[REG_SI].value, &dynAdr); //si
AddPicode(curPos, OP_CALL, comment, dynAdr);
SetRegisterType(registers, REG_RCX, "");
}
else if (recN->SameName("@FindDynaInst") ||
recN->SameName("@FindDynaClass"))
{
comment = GetDynaInfo(GetClassAdr(registers[REG_RCX].type), registers[REG_DX].value, &dynAdr); //dx
AddPicode(curPos, OP_CALL, comment, dynAdr);
SetRegisterType(registers, REG_RAX, "");
}
//@XStrArrayClr
else if (recN->SameName("@LStrArrayClr") || recN->SameName("@WStrArrayClr") || recN->SameName("@UStrArrayClr"))
{
DWORD arrAdr = registers[REG_RCX].value;
int cnt = registers[REG_EDX].value;
//Direct address???
if (IsValidImageAdr(arrAdr))
{
}
//Local vars
else if ((registers[REG_RCX].source & 0xDF) == 'L')
{
recN1 = GetInfoRec(fromAdr);
int aofs = registers[REG_RCX].value;
for (int aa = 0; aa < cnt; aa++, aofs += 8)
{
if (recN->SameName("@LStrArrayClr"))
recN1->procInfo->AddLocal(aofs, 8, "", "AnsiString");
else if (recN->SameName("@WStrArrayClr"))
recN1->procInfo->AddLocal(aofs, 8, "", "WideString");
else if (recN->SameName("@UStrArrayClr"))
recN1->procInfo->AddLocal(aofs, 8, "", "UString");
}
}
SetRegisterType(registers, REG_RAX, "");
}
else
{
String retType = AnalyzeCall(fromAdr, curPos, Adr, registers);
recN1 = GetInfoRec(fromAdr);
for (int mm = 0; mm < RCONTEXT_REGNUM; mm++)
{
if (mm != REG_RCX && mm != REG_RDX && mm != REG_R8 && mm != REG_R9) continue;
if (registers[mm].result == 1)
{
if ((registers[mm].source & 0xDF) == 'L')
{
recN1->procInfo->AddLocal((int)registers[mm].value, 4, "", registers[mm].type);
}
else if ((registers[mm].source & 0xDF) == 'A')
recN1->procInfo->AddArg(0x21, (int)registers[mm].value, 4, "", registers[mm].type);
}
}
SetRegisterType(registers, REG_RAX, retType);
}
}
}
else
{
sp = -1;
SetRegisterType(registers, REG_RAX, "");
}
}
//call Memory
else if (DisInfo.OpType[0] == otMEM && DisInfo.IndxReg == -1)
{
sp = -1;
//call [Offset]
if (DisInfo.BaseReg == -1)
{
}
//call [BaseReg + Offset]
else
{
classAdr = registers[DisInfo.BaseReg].value;
SetRegisterType(registers, REG_RAX, "");
if (IsValidCodeAdr(classAdr) && registers[DisInfo.BaseReg].source == 'V')
{
recN = GetInfoRec(classAdr);
if (recN && recN->vmtInfo && recN->vmtInfo->methods)
{
for (int mm = 0; mm < recN->vmtInfo->methods->Count; mm++)
{
PMethodRec recM = (PMethodRec)recN->vmtInfo->methods->Items[mm];
if (recM->kind == 'V' && recM->id == (int)DisInfo.Offset)
{
recN1 = GetInfoRec(recM->address);
if (recM->name != "")
comment = recM->name;
else
{
if (recN1->HasName())
comment = recN1->GetName();
else
comment = GetClsName(classAdr) + ".sub_" + Val2Str8(recM->address);
}
AddPicode(curPos, OP_CALL, comment, recM->address);
recN1->AddXref('V', fromAdr, curAdr - fromAdr);
if (recN1->kind == ikFunc) SetRegisterType(registers, REG_RAX, recN1->type);
break;
}
}
}
registers[DisInfo.BaseReg].source = 0;
}
else
{
int callOfs = DisInfo.Offset;
typeName = TrimTypeName(registers[DisInfo.BaseReg].type);
if (typeName != "" && callOfs > 0)
{
Pos = GetNearestUpInstruction(curPos, fromPos, 1); Adr = Pos2Adr(Pos);
instrLen1 = GetDisasm().Disassemble(Code + Pos, (__int64)Adr, &DisInfo, 0);
if (DisInfo.Offset == callOfs + 4)
{
fInfo = GetField(typeName, callOfs, &vmt, &vmtAdr);
if (fInfo)
{
if (fInfo->Name != "") AddPicode(curPos, OP_CALL, typeName + "." + fInfo->Name, 0);
if (vmt)
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
else
delete fInfo;
}
else if (vmt)
{
fInfo = AddField(fromAdr, curAdr - fromAdr, typeName, FIELD_PUBLIC, callOfs, -1, "", "");
if (fInfo) AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
}
}
}
}
}
}
SetRegisterSource(registers, REG_RCX, 0);
SetRegisterSource(registers, REG_RDX, 0);
SetRegisterSource(registers, REG_R8, 0);
SetRegisterSource(registers, REG_R9, 0);
SetRegisterValue(registers, REG_RAX, -1);
curPos += instrLen; curAdr += instrLen;
continue;
}
sType = String(DisInfo.sSize);
//floating point operations
if (DisInfo.Float)
{
float singleVal;
long double extendedVal;
String fVal = "";
switch (DisInfo.OpSize)
{
case 4:
sType = "Single";
break;
//Double or Comp???
case 8:
sType = "Double";
break;
case 10:
sType = "Extended";
break;
default:
sType = "Float";
break;
}
Adr = DisInfo.Offset;
_ap = Adr2Pos(Adr);
//fxxx [Adr]
if (DisInfo.BaseReg == -1 && DisInfo.IndxReg == -1)
{
if (IsValidImageAdr(Adr))
{
if (_ap >= 0)
{
switch (DisInfo.OpSize)
{
case 4:
singleVal = 0; memmove((void*)&singleVal, Code + _ap, 4);
fVal = FloatToStr(singleVal);
break;
//Double or Comp???
case 8:
break;
case 10:
try
{
extendedVal = 0; memmove((void*)&extendedVal, Code + _ap, 10);
fVal = FloatToStr(extendedVal);
}
catch (Exception &E)
{
fVal = "Impossible!";
}
break;
}
SetFlags(cfData, _ap, DisInfo.OpSize);
recN = GetInfoRec(Adr);
if (!recN) recN = new InfoRec(_ap, ikData);
if (!recN->HasName()) recN->SetName(fVal);
if (recN->type == "") recN->type = sType;
if (!IsValidCodeAdr(Adr)) recN->AddXref('D', fromAdr, curAdr - fromAdr);
}
else
{
recN = AddToBSSInfos(Adr, MakeGvarName(Adr), sType);
if (recN) recN->AddXref('C', fromAdr, curAdr - fromAdr);
}
}
}
else if (DisInfo.BaseReg != -1)
{
//fxxxx [BaseReg + Offset]
if (DisInfo.IndxReg == -1)
{
//fxxxx [rbp - Offset]
if (bpBased && DisInfo.BaseReg == REG_RBP && (int)DisInfo.Offset < 0)
{
recN1 = GetInfoRec(fromAdr);
recN1->procInfo->AddLocal((int)DisInfo.Offset, DisInfo.OpSize, "", sType);
}
//fxxx [rsp + Offset]
else if (DisInfo.BaseReg == REG_RSP)
{
dummy = 1;
}
else
{
//fxxxx [BaseReg]
if (!DisInfo.Offset)
{
varAdr = registers[DisInfo.BaseReg].value;
if (IsValidImageAdr(varAdr))
{
_ap = Adr2Pos(varAdr);
if (_ap >= 0)
{
recN1 = GetInfoRec(varAdr);
if (!recN1) recN1 = new InfoRec(_ap, ikData);
MakeGvar(recN1, varAdr, curAdr);
recN1->type = sType;
if (!IsValidCodeAdr(varAdr)) recN1->AddXref('D', fromAdr, curAdr - fromAdr);
}
else
{
recN1 = AddToBSSInfos(varAdr, MakeGvarName(varAdr), sType);
if (recN1) recN1->AddXref('C', fromAdr, curAdr - fromAdr);
}
}
}
//fxxxx [BaseReg + Offset]
else if ((int)DisInfo.Offset > 0)
{
typeName = TrimTypeName(registers[DisInfo.BaseReg].type);
if (typeName != "")
{
fInfo = GetField(typeName, (int)DisInfo.Offset, &vmt, &vmtAdr);
if (fInfo)
{
if (vmt)
{
if (CanReplace(fInfo->Type, sType)) fInfo->Type = sType;
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
}
else
{
delete fInfo;
}
//if (vmtAdr) typeName = GetClsName(vmtAdr);
AddPicode(curPos, 0, typeName, DisInfo.Offset);
}
else if (vmt)
{
fInfo = AddField(fromAdr, curAdr - fromAdr, typeName, FIELD_PUBLIC, (int)DisInfo.Offset, -1, "", sType);
if (fInfo)
{
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
AddPicode(curPos, 0, typeName, DisInfo.Offset);
}
}
}
}
//fxxxx [BaseReg - Offset]
else
{
}
}
}
//fxxxx [BaseReg + IndxReg*Scale + Offset]
else
{
}
}
curPos += instrLen; curAdr += instrLen;
continue;
}
//No operands
if (DisInfo.OpNum == 0)
{
//cdq
if (op == OP_CDQ)
{
SetRegisterSource(registers, REG_RAX, 'I');
SetRegisterValue(registers, REG_RAX, -1);
SetRegisterType(registers, REG_RAX, "Integer");
SetRegisterSource(registers, REG_RDX, 'I');
SetRegisterValue(registers, REG_RDX, -1);
SetRegisterType(registers, REG_RDX, "Integer");
}
}
//1 operand
else if (DisInfo.OpNum == 1)
{
//op Imm
if (DisInfo.OpType[0] == otIMM)
{
if (IsValidImageAdr(DisInfo.Immediate))
{
_ap = Adr2Pos(DisInfo.Immediate);
if (_ap >= 0)
{
recN1 = GetInfoRec(DisInfo.Immediate);
if (recN1) recN1->AddXref('C', fromAdr, curAdr - fromAdr);
}
else
{
recN1 = AddToBSSInfos(DisInfo.Immediate, MakeGvarName(DisInfo.Immediate), "");
if (recN1) recN1->AddXref('C', fromAdr, curAdr - fromAdr);
}
}
}
//op reg
else if (DisInfo.OpType[0] == otREG && op != OP_UNK && op != OP_PUSH)
{
reg1Idx = DisInfo.OpRegIdx[0];
SetRegisterSource(registers, reg1Idx, 0);
SetRegisterValue(registers, reg1Idx, -1);
SetRegisterType(registers, reg1Idx, "");
}
//op [BaseReg + Offset]
else if (DisInfo.OpType[0] == otMEM)
{
if (DisInfo.BaseReg != -1 && DisInfo.IndxReg == -1 && (int)DisInfo.Offset > 0)
{
typeName = TrimTypeName(registers[DisInfo.BaseReg].type);
if (typeName != "")
{
fInfo = GetField(typeName, (int)DisInfo.Offset, &vmt, &vmtAdr);
if (fInfo)
{
if (vmt)
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
else
delete fInfo;
AddPicode(curPos, 0, typeName, DisInfo.Offset);
}
else if (vmt)
{
fInfo = AddField(fromAdr, curAdr - fromAdr, typeName, FIELD_PUBLIC, (int)DisInfo.Offset, -1, "", sType);
if (fInfo)
{
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
AddPicode(curPos, 0, typeName, DisInfo.Offset);
}
}
}
}
if (op == OP_IMUL || op == OP_IDIV)
{
SetRegisterSource(registers, REG_RAX, 0);
SetRegisterValue(registers, REG_RAX, -1);
SetRegisterType(registers, REG_RAX, "Integer");
SetRegisterSource(registers, REG_RDX, 0);
SetRegisterValue(registers, REG_RDX, -1);
SetRegisterType(registers, REG_RDX, "Integer");
}
}
}
//2 or 3 operands
else if (DisInfo.OpNum >= 2)
{
if (op & OP_A2)
{
if (DisInfo.OpType[0] == otREG) //cop reg,...
{
reg1Idx = DisInfo.OpRegIdx[0];
source = registers[reg1Idx].source;
SetRegisterSource(registers, reg1Idx, 0);
if (DisInfo.OpType[1] == otIMM) //cop reg, Imm
{
if (reset)
{
typeName = TrimTypeName(registers[reg1Idx].type);
SetRegisterValue(registers, reg1Idx, -1);
SetRegisterType(registers, reg1Idx, "");
if (op == OP_ADD)
{
if (typeName != "" && source != 'v')
{
fInfo = GetField(typeName, (int)DisInfo.Immediate, &vmt, &vmtAdr);
if (fInfo)
{
registers[reg1Idx].type = fInfo->Type;
if (vmt)
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
else
delete fInfo;
//if (vmtAdr) typeName = GetClsName(vmtAdr);
AddPicode(curPos, 0, typeName, DisInfo.Immediate);
}
else if (vmt)
{
fInfo = AddField(fromAdr, curAdr - fromAdr, typeName, FIELD_PUBLIC, (int)DisInfo.Immediate, -1, "", "");
if (fInfo)
{
AddFieldXref(fInfo, fromAdr, curAdr - fromAdr, 'C');
AddPicode(curPos, 0, typeName, DisInfo.Immediate);
}
}
}
}
else
{
if (op == OP_MOV) SetRegisterValue(registers, reg1Idx, DisInfo.Immediate);
SetRegisterSource(registers, reg1Idx, 'I');
if (IsValidImageAdr(DisInfo.Immediate))
{
_ap = Adr2Pos(DisInfo.Immediate);
if (_ap >= 0)
{
recN1 = GetInfoRec(DisInfo.Immediate);
if (recN1)
{
SetRegisterType(registers, reg1Idx, recN1->type);
bool _addXref = false;
switch (recN1->kind)
{
case ikString:
SetRegisterType(registers, reg1Idx, "ShortString");
_addXref = true;
break;
case ikLString:
SetRegisterType(registers, reg1Idx, "AnsiString");
_addXref = true;
break;
case ikWString:
SetRegisterType(registers, reg1Idx, "WideString");
_addXref = true;
break;
case ikCString:
SetRegisterType(registers, reg1Idx, "PAnsiChar");
_addXref = true;
break;
case ikWCString:
SetRegisterType(registers, reg1Idx, "PWideChar");
_addXref = true;
break;
case ikUString:
SetRegisterType(registers, reg1Idx, "UString");
_addXref = true;
break;
}
if (_addXref) recN1->AddXref('C', fromAdr, curAdr - fromAdr);
}
}
else
{
recN1 = AddToBSSInfos(DisInfo.Immediate, MakeGvarName(DisInfo.Immediate), "");
if (recN1) recN1->AddXref('C', fromAdr, curAdr - fromAdr);
}
}
}
}
}
else if (DisInfo.OpType[1] == otREG) //cop reg, reg
{
reg2Idx = DisInfo.OpRegIdx[1];
if (reset)
{
if (op == OP_MOV)
{
SetRegisterSource(registers, reg1Idx, registers[reg2Idx].source);
SetRegisterValue(registers, reg1Idx, registers[reg2Idx].value);
SetRegisterType(registers, reg1Idx, registers[reg2Idx].type);
}
else if (op == OP_XOR)
{
SetRegisterValue(registers, reg1Idx, registers[reg1Idx].value ^ registers[reg2Idx].value);
SetRegisterType(registers, reg1Idx, "");
}
else if (op == OP_XCHG)
{
rtmp = registers[reg1Idx]; registers[reg1Idx] = registers[reg2Idx]; registers[reg2Idx] = rtmp;
}
else if (op == OP_IMUL || op == OP_IDIV)
{
SetRegisterSource(registers, reg1Idx, 0);
SetRegisterValue(registers, reg1Idx, -1);
SetRegisterType(registers, reg1Idx, "Integer");
if (reg1Idx != reg2Idx)
{
SetRegisterSource(registers, reg2Idx, 0);
SetRegisterValue(registers, reg2Idx, -1);
SetRegisterType(registers, reg2Idx, "Integer");
}
}
else
{
SetRegisterValue(registers, reg1Idx, -1);
SetRegisterType(registers, reg1Idx, "");
}
}
}
else if (DisInfo.OpType[1] == otMEM) //cop reg, Memory