/*

* Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* e32tools/e32image/imgdump.cpp

*

*/

#define __REFERENCE_CAPABILITY_NAMES__

#include <e32image.h>

#include <h_utl.h>

#include <string.h>

void PriorityToStr(TProcessPriority aPri, char *aStr)

	{

	if (aPri==EPrioritySupervisor)

		strcpy(aStr,"Supervisor");

	else if (aPri>EPriorityRealTimeServer)

		sprintf(aStr, "RealTime+%d", aPri-EPriorityRealTimeServer);

	else if (aPri==EPriorityRealTimeServer)

		strcpy(aStr,"RealTime");

	else if (aPri>EPriorityFileServer)

		sprintf(aStr, "FileServer+%d", aPri-EPriorityFileServer);

	else if (aPri==EPriorityFileServer)

		strcpy(aStr,"FileServer");

	else if (aPri>EPriorityWindowServer)

		sprintf(aStr, "WindowServer+%d", aPri-EPriorityWindowServer);

	else if (aPri==EPriorityWindowServer)

		strcpy(aStr,"WindowServer");

	else if (aPri>EPriorityHigh)

		sprintf(aStr, "High+%d", aPri-EPriorityHigh);

	else if (aPri==EPriorityHigh)

		strcpy(aStr,"High");

	else if (aPri>EPriorityForeground)

		sprintf(aStr, "Foreground+%d", aPri-EPriorityForeground);

	else if (aPri==EPriorityForeground)

		strcpy(aStr,"Foreground");

	else if (aPri>EPriorityBackground)

		sprintf(aStr, "Background+%d", aPri-EPriorityBackground);

	else if (aPri==EPriorityBackground)

		strcpy(aStr,"Background");

	else if (aPri>EPriorityLow)

		sprintf(aStr, "Low+%d", aPri-EPriorityLow);

	else if (aPri==EPriorityLow)

		strcpy(aStr,"Low");

	else

		sprintf(aStr, "Illegal (%d)", aPri);

	}

void nl()

	{

	Print(EAlways, "\n");

	}

void E32ImageFile::Dump(TText *aFileName,TInt aDumpFlags)

	{

	if (IsValid())

		{

		Print(EAlways, "E32ImageFile '%s'\n", aFileName);

		DumpHeader(aDumpFlags);

		DumpData(aDumpFlags);

		}

	else

		Print(EAlways, "This is not an E32 image file (error %d).\n", iError);

	}

void E32ImageFile::DumpHeader(TInt aDumpFlags)

	{

	TUint flags = iOrigHdr->iFlags;

	TUint abi = E32ImageHeader::ABIFromFlags(flags);

	TUint hdrfmt = E32ImageHeader::HdrFmtFromFlags(flags);

	TUint impfmt = E32ImageHeader::ImpFmtFromFlags(flags);

	TUint ept = E32ImageHeader::EptFromFlags(flags);

	TBool isARM = EFalse;

	if(aDumpFlags&EDumpHeader)

		{

		Print(EAlways, "V%d.%02d(%03d)", iOrigHdr->iToolsVersion.iMajor,iOrigHdr->iToolsVersion.iMinor,iOrigHdr->iToolsVersion.iBuild);

		Print(EAlways, "\tTime Stamp: %08x,%08x\n", iOrigHdr->iTimeHi, iOrigHdr->iTimeLo);

		char sig[5];

		memcpy(sig, (const char*)&iOrigHdr->iSignature, 4);

		sig[4]=0;

		Print(EAlways, sig);

		if (iOrigHdr->iFlags&KImageDll)

			Print(EAlways, " Dll for ");

		else

			Print(EAlways, " Exe for ");

		switch (iOrigHdr->CpuIdentifier())

			{

		case ECpuX86:

			Print(EAlways, "X86 CPU\n");

			break;

		case ECpuArmV4:

			isARM = ETrue;

			Print(EAlways, "ARMV4 CPU\n");

			break;

		case ECpuArmV5:

			isARM = ETrue;

			Print(EAlways, "ARMV5 CPU\n");

			break;

		case ECpuMCore:

			Print(EAlways, "M*Core CPU\n");

			break;

		case ECpuUnknown:

			Print(EAlways, "Unknown CPU\n");

			break;

		default:

			Print(EAlways, "something or other\n");

			break;

			}

		Print(EAlways, "Flags:\t%08x\n", flags);

		if (!(flags & KImageDll))

			{

			char str[80];

			PriorityToStr(iOrigHdr->ProcessPriority(), str);

			Print(EAlways, "Priority %s\n", str);

			if (flags & KImageFixedAddressExe)

				Print(EAlways, "Fixed process\n");

			}

		if (flags & KImageNoCallEntryPoint)

			Print(EAlways, "Entry points are not called\n");

		Print(EAlways, "Image header is format %d\n", hdrfmt>>24);

		TUint compression = iOrigHdr->CompressionType();

		switch (compression)

			{

			case KFormatNotCompressed:

				Print(EAlways, "Image is not compressed\n");

				break;

			case KUidCompressionDeflate:

				Print(EAlways, "Image is compressed using the DEFLATE algorithm\n");

				break;

			case KUidCompressionBytePair:

				Print(EAlways, "Image is compressed using the BYTEPAIR algorithm\n");

				break;

			default:

				Print(EAlways, "Image compression type UNKNOWN (%08x)\n", compression);

			}

		if (compression)

			{

			Print(EAlways, "Uncompressed size %08x\n", iOrigHdr->UncompressedFileSize());

			}

		TUint FPU = flags & KImageHWFloatMask;

		if (FPU == KImageHWFloat_None)

			Print(EAlways, "Image FPU support : Soft VFP\n");

		else if (FPU == KImageHWFloat_VFPv2) 

			Print(EAlways, "Image FPU support : VFPv2\n");

		else

			Print(EAlways, "Image FPU support : Unknown\n");

		if (flags & KImageCodeUnpaged)

			{

			Print(EAlways, "Code Paging : Unpaged\n");

			}

		else if (flags & KImageCodePaged)

			{

			Print(EAlways, "Code Paging : Paged\n");

			}

		else

			{

			Print(EAlways, "Code Paging : Default\n");

			}

		if (flags & KImageDataUnpaged)

			{

			Print(EAlways, "Data Paging : Unpaged\n");

			}

		else if (flags & KImageDataPaged)

			{

			Print(EAlways, "Data Paging : Paged\n");

			}

		else

			{

			Print(EAlways, "Data Paging : Default\n");

			}

		if(flags & KImageDebuggable)

			{

 			Print(EAlways, "Debuggable : True\n");

 			}

 		else

 			{

 			Print(EAlways, "Debuggable : False\n");

 			}

		if(flags & KImageSMPSafe)

			{

 			Print(EAlways, "SMP Safe : True\n");

 			}

 		else

 			{

 			Print(EAlways, "SMP Safe : False\n");

 			}

		}

	if (hdrfmt >= KImageHdrFmt_V && (aDumpFlags&(EDumpHeader|EDumpSecurityInfo)))

		{

		//

		// Important. Don't change output format of following security info

		// because this is relied on by used by "Symbian Signed".

		//

		E32ImageHeaderV* v = iHdr;

		Print(EAlways, "Secure ID: %08x\n", v->iS.iSecureId);

		Print(EAlways, "Vendor ID: %08x\n", v->iS.iVendorId);

		Print(EAlways, "Capabilities: %08x %08x\n", v->iS.iCaps[1], v->iS.iCaps[0]);

		if(aDumpFlags&EDumpSecurityInfo)

			{

			TInt i;

			for(i=0; i<ECapability_Limit; i++)

				if(v->iS.iCaps[i>>5]&(1<<(i&31)))

					Print(EAlways, "              %s\n", CapabilityNames[i]);

			Print(EAlways, "\n");

			}

		}

	if(aDumpFlags&EDumpHeader)

		{

		if (hdrfmt >= KImageHdrFmt_V)

			{

			E32ImageHeaderV* v = iHdr;

			TUint32 xd = v->iExceptionDescriptor;

			if ((xd & 1) && (xd != 0xffffffffu))

				{

				xd &= ~1;

				Print(EAlways, "Exception Descriptor Offset:  %08x\n", v->iExceptionDescriptor);

				TExceptionDescriptor * aED = (TExceptionDescriptor * )(iData + v->iCodeOffset + xd);

				Print(EAlways, "Exception Index Table Base: %08x\n", aED->iExIdxBase);

				Print(EAlways, "Exception Index Table Limit: %08x\n", aED->iExIdxLimit);

				Print(EAlways, "RO Segment Base: %08x\n", aED->iROSegmentBase);

				Print(EAlways, "RO Segment Limit: %08x\n", aED->iROSegmentLimit);

				}

			else

				Print(EAlways, "No Exception Descriptor\n");

			Print(EAlways, "Export Description: Size=%03x, Type=%02x\n", v->iExportDescSize, v->iExportDescType);

			if (v->iExportDescType != KImageHdr_ExpD_NoHoles)

				{

				TInt nb = v->iExportDescSize;

				TInt i;

				TInt j = 0;

				for (i=0; i<nb; ++i)

					{

					if (++j == 8)

						{

						j = 0;

						Print(EAlways,"\n");

						}

					Print(EAlways," %02x", v->iExportDesc[i]);

					}

				Print(EAlways,"\n");

				}

			TInt r = CheckExportDescription();

			if (r == KErrNone)

				Print(EAlways,"Export description consistent\n");

			else if (r == KErrNotSupported)

				Print(EAlways,"Export description type not recognised\n");

			else

				Print(EAlways,"!! Export description inconsistent !!\n");

			}

		TUint32 mv = iOrigHdr->ModuleVersion();

		Print(EAlways, "Module Version: %d.%d\n", mv>>16, mv&0xffff);

		if (impfmt == KImageImpFmt_PE)

			{

			Print(EAlways, "Imports are PE-style\n");

			}

		else if (impfmt == KImageImpFmt_ELF)

			{

			Print(EAlways, "Imports are ELF-style\n");

			}

		else if (impfmt == KImageImpFmt_PE2)

			{

			Print(EAlways, "Imports are PE-style without redundant ordinal lists\n");

			}

		if (isARM)

			{

			if (abi == KImageABI_GCC98r2)

				{

				Print(EAlways, "GCC98r2 ABI\n");

				}

			else if (abi == KImageABI_EABI)

				{

				Print(EAlways, "ARM EABI\n");

				}

			if (ept == KImageEpt_Eka1)

				{

				Print(EAlways, "Built against EKA1\n");

				}

			else if (ept == KImageEpt_Eka2)

				{

				Print(EAlways, "Built against EKA2\n");

				}

			}

		Print(EAlways, "Uids:\t\t%08x %08x %08x (%08x)\n", iOrigHdr->iUid1, iOrigHdr->iUid2, iOrigHdr->iUid3, iOrigHdr->iUidChecksum);

		if (hdrfmt >= KImageHdrFmt_V)

			Print(EAlways, "Header CRC:\t%08x\n", iHdr->iHeaderCrc);

		Print(EAlways, "File Size:\t%08x\n", iSize);

		Print(EAlways, "Code Size:\t%08x\n", iOrigHdr->iCodeSize);

		Print(EAlways, "Data Size:\t%08x\n", iOrigHdr->iDataSize);

		Print(EAlways, "Compression:\t%08x\n", iOrigHdr->iCompressionType);

		Print(EAlways, "Min Heap Size:\t%08x\n", iOrigHdr->iHeapSizeMin);

		Print(EAlways, "Max Heap Size:\t%08x\n", iOrigHdr->iHeapSizeMax);

		Print(EAlways, "Stack Size:\t%08x\n", iOrigHdr->iStackSize);

		Print(EAlways, "Code link addr:\t%08x\n", iOrigHdr->iCodeBase);

		Print(EAlways, "Data link addr:\t%08x\n", iOrigHdr->iDataBase);

		Print(EAlways, "Code reloc offset:\t%08x\n", OrigCodeRelocOffset());

		Print(EAlways, "Data reloc offset:\t%08x\n", OrigDataRelocOffset());

		Print(EAlways, "Dll ref table count: %d\n", iOrigHdr->iDllRefTableCount);

		if (iOrigHdr->iCodeSize || iOrigHdr->iDataSize || iOrigHdr->iBssSize || iOrigHdr->iImportOffset)

			Print(EAlways, "        Offset  Size  Relocs #Relocs\n");

		Print(EAlways, "Code    %06x %06x", OrigCodeOffset(), iOrigHdr->iCodeSize);

		if (iOrigHdr->iCodeRelocOffset)

			{

			E32RelocSection *r=(E32RelocSection *)(iData + iOrigHdr->iCodeRelocOffset);

			Print(EAlways, " %06x %06x", OrigCodeRelocOffset(), r->iNumberOfRelocs);

			}

		else

			Print(EAlways, "              ");

		Print(EAlways, "        +%06x (entry pnt)", iOrigHdr->iEntryPoint);

		nl();

		Print(EAlways, "Data    %06x %06x", OrigDataOffset(), iOrigHdr->iDataSize);

		if (iOrigHdr->iDataRelocOffset)

			{

			E32RelocSection *r=(E32RelocSection *)(iData + iOrigHdr->iDataRelocOffset);

			Print(EAlways, " %06x %06x", OrigDataRelocOffset(), r->iNumberOfRelocs);

			}

		nl();

		Print(EAlways, "Bss            %06x\n", iOrigHdr->iBssSize);

		if (iOrigHdr->iExportDirOffset)

			Print(EAlways, "Export  %06x %06x                      (%d entries)\n", OrigExportDirOffset(), iOrigHdr->iExportDirCount*4, iOrigHdr->iExportDirCount);

		if (iOrigHdr->iImportOffset)

			Print(EAlways, "Import  %06x\n", OrigImportOffset());

		}

	}

void dump(TUint *aData, TInt aLength)

	{

	TUint *p=aData;

	TInt i=0;

	char line[256];

	char *cp=(char*)aData;

	TInt j=0;

	memset(line,' ',sizeof(line));

	while (i<aLength)

		{

		TInt ccount=0;

		char* linep=&line[8*9+2];

		Print(EAlways, "%06x:", i);

		while (i<aLength && ccount<8)

			{

			Print(EAlways," %08x", *p++);

			i+=4;

			ccount++;

			for (j=0; j<4; j++)

				{

				char c=*cp++;

				if (c<32 || c>127)

					{

					c = '.';

					}

				*linep++ = c;

				}

			}

		*linep='\0';

		Print(EAlways, "%s", line+(ccount*9));

		nl();

		}

	}

void dumprelocs(char *aRelocs)

	{

	TInt num=((E32RelocSection *)aRelocs)->iNumberOfRelocs;

	Print(EAlways, "%d relocs\n", num);

	aRelocs+=sizeof(E32RelocSection);

	TInt printed=0;

	while (num>0)

		{

		TInt page=*(TUint *)aRelocs;

		TInt size=*(TUint *)(aRelocs+4);

		TInt pagesize=size;

		size-=8;

		TUint16 *p=(TUint16 *)(aRelocs+8);

		while (size>0)

			{

			TUint a=*p++;

			TUint relocType = a >> 12;

			if (relocType==3 || relocType==1)

				{

				Print(EAlways, "%08x(%1x) ", page+(a&0x0fff), relocType);

				printed++;

				if (printed>3)

					{

					nl();

					printed=0;

					}

				}

			size-=2;

			num--;

			}

		aRelocs+=pagesize;

		}

	nl();

	}

void E32ImageFile::DumpData(TInt aDumpFlags)

	{

	if(aDumpFlags&EDumpCode)

		{

		Print(EAlways, "\nCode (text size=%08x)\n", iOrigHdr->iTextSize);

		dump((TUint *)(iData + iOrigHdr->iCodeOffset), iOrigHdr->iCodeSize);

		if (iOrigHdr->iCodeRelocOffset)

			dumprelocs(iData + iOrigHdr->iCodeRelocOffset);

		}

	if((aDumpFlags&EDumpData) && iOrigHdr->iDataOffset)

		{

		Print(EAlways, "\nData\n");

		dump((TUint *)(iData + iOrigHdr->iDataOffset), iOrigHdr->iDataSize);

		if (iOrigHdr->iDataRelocOffset)

			dumprelocs(iData + iOrigHdr->iDataRelocOffset);

		}

	if(aDumpFlags&EDumpExports)

		{

		Print(EAlways, "\nNumber of exports = %d\n", iOrigHdr->iExportDirCount);

		TInt i;

		TUint* exports = (TUint*)(iData + iOrigHdr->iExportDirOffset);

		TUint absoluteEntryPoint = iOrigHdr->iEntryPoint + iOrigHdr->iCodeBase;

		TUint impfmt = iOrigHdr->ImportFormat();

		TUint absentVal = (impfmt == KImageImpFmt_ELF) ? absoluteEntryPoint : iOrigHdr->iEntryPoint;

		for (i=0; i<iOrigHdr->iExportDirCount; ++i)

			{

			TUint exp = exports[i];

			if (exp == absentVal)

				Print(EAlways, "\tOrdinal %5d:\tABSENT\n", i+1);

			else

				Print(EAlways, "\tOrdinal %5d:\t%08x\n", i+1, exp);

			}

		}

	//

	// Important. Don't change output format of following inport info

	// because this is relied on by tools used by "Symbian Signed".

	//

	if((aDumpFlags&EDumpImports) && iOrigHdr->iImportOffset)

		{

		const E32ImportSection* isection = (const E32ImportSection*)(iData + iOrigHdr->iImportOffset);

		TUint* iat = (TUint*)((TUint8*)iData + iOrigHdr->iCodeOffset + iOrigHdr->iTextSize);

		Print(EAlways, "\nIdata\tSize=%08x\n", isection->iSize);

		Print(EAlways, "Offset of import address table (relative to code section): %08x\n", iOrigHdr->iTextSize);

		TInt d;

		const E32ImportBlock* b = (const E32ImportBlock*)(isection + 1);

		for (d=0; d<iOrigHdr->iDllRefTableCount; d++)

			{

			char* dllname = iData + iOrigHdr->iImportOffset + b->iOffsetOfDllName;

			TInt n = b->iNumberOfImports;

			Print(EAlways, "%d imports from %s\n", b->iNumberOfImports, dllname);

			const TUint* p = b->Imports();

			TUint impfmt = iOrigHdr->ImportFormat();

			if (impfmt == KImageImpFmt_ELF)

				{

				while (n--)

					{

					TUint impd_offset = *p++;

					TUint impd = *(TUint*)(iData + iOrigHdr->iCodeOffset + impd_offset);

					TUint ordinal = impd & 0xffff;

					TUint offset = impd >> 16;

					if (offset)

						Print(EAlways, "%10d offset by %d\n", ordinal, offset);

					else

						Print(EAlways, "%10d\n", ordinal);

					}

				}

			else

				{

				while (n--)

					Print(EAlways, "\t%d\n", *iat++);

				}

			b = b->NextBlock(impfmt);

			}

		}

	}