dbgsrv/coredumpserver/test/oeelfdump/oeelfdump.c
changeset 0 c6b0df440bee
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgsrv/coredumpserver/test/oeelfdump/oeelfdump.c	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,1177 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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: 
+*
+*/
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <symbianelfdefs.h>
+#include <sys/stat.h>
+#include <time.h>
+
+#define ADDR(rtype, p, o) (rtype *)(((char *)p) + o)
+
+FILE *core;
+int ignoreSomeSections;
+void hexdump_data(unsigned char *data,int aSize,int j)
+{
+	int i=0;
+	int p=0;
+    int m=0;
+	while (i<aSize)	
+		{
+		int count=0;
+		if(p==0)
+		{
+			fprintf(core,"\t0x%08x:\t\t\t",j);
+		} // offset into section
+
+		while (i<aSize && count<4)
+			{ 
+			fprintf(core,"%02X", *data);		// print 4 lots of %08x for the data expresed as 32-bit word 
+			data++;
+			i++;
+			count++;
+			j++;
+			}
+
+		fprintf(core,"  ");
+		p++;
+		if (p==4)
+			{
+			data=data-16;
+			for (m=0;m<16;m++)			//print 16 bytes of memory interpreted 
+				{							//as ASCII characters with all non-printing 
+				if (*data>32 && *data <127)	//characters converted to dots
+					{
+					fprintf(core,"%1c",*data);
+					}
+				else
+					{
+					fprintf(core,".");
+					}
+					data++;
+				}
+			p=0; 
+			fprintf(core,"\n "); 
+			}
+		}
+		//fprintf(core,"\n"); 	   	
+	}
+void hexdump(unsigned char* data, int aSize, int offset)
+	//  print hex dump of relevant sections
+	{
+	int i=0;
+	int p=0;
+    int m=0;
+	while (i<aSize)	
+		{
+		int count=0;
+		if(p==0){fprintf(core,"\t%06x   ",offset);} // offset into section
+		while (i<aSize && count<4)
+			{ 
+			fprintf(core,"%02X", *data);		// print 4 lots of %08x for the data expresed as 32-bit word 
+			data++;
+			i++;
+			count++;
+			offset++;
+			}
+
+		fprintf(core,"  ");
+		p++;
+		if (p==4)
+			{
+			data=data-16;
+			for (m=0;m<16;m++)			//print 16 bytes of memory interpreted 
+				{							//as ASCII characters with all non-printing 
+				if (*data>32 && *data <127)	//characters converted to dots
+					{
+					fprintf(core,"%1c",*data);
+					}
+				else
+					{
+					fprintf(core,".");
+					}
+					data++;
+				}
+			p=0; 
+			fprintf(core," \n "); 
+			}
+		}
+		fprintf(core," \n\n "); 	   	
+	}
+
+void print_directive(unsigned char* data, int size)
+	// print formatted text of directive section
+	{
+    int i=0;
+	printf ("\t");
+
+	for (i=0; i<size; i++)
+		{
+		if ((char)data[i]>31 && (char)data[i]<127)
+			{
+			printf ("%c", (char)data[i]);
+			}
+
+		if ((char)data[i]=='\n')
+			{
+			printf ("\n\t");
+			}
+		}
+
+	printf ("\n");
+	}
+
+void print_reloc(Elf32_Ehdr* eh, Elf32_Sym* symT, unsigned char* strtab)
+	// print relocation section
+	{
+    int i=0;
+    int j=0;
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, eh->e_shoff);
+	for (j=0;j< eh->e_shnum;j++)
+		{
+		char* sname = ADDR(char, eh, shdr[eh->e_shstrndx].sh_offset);
+		if ( (shdr[j].sh_type==9) && 
+		     ( (!ignoreSomeSections) || 
+		       (strncmp(".rel.debug_", &sname[shdr[j].sh_name], 11))
+		     )
+		   )
+			{
+			unsigned char* data = ADDR(unsigned char, eh, shdr[j].sh_offset);
+			Elf32_Rel* rl=(Elf32_Rel*)data;				// pointer to relocation section	
+			int noOfReloc=shdr[j].sh_size / shdr[j].sh_entsize;
+			fprintf(core,"\n\n\n\t\t\t%s\n", &sname[shdr[j].sh_name]);
+			for (i=0;i<noOfReloc;i++)
+				{
+				unsigned char* symbolName = strtab;		// pointer to firest element of string											// table which holds symbol names
+				Elf32_Sym*  sym = symT;					// pointer to symbol table
+				int symTIndx= ELF32_R_SYM(rl->r_info);		// symbol Tableindex
+				sym=sym+symTIndx;							
+				symbolName=symbolName+sym->st_name;		// index into string table section 
+															// with symbol names
+				fprintf(core,"\t0x%08x \t", rl->r_offset);		// prints offset into relocation section
+				fprintf(core,"%d", symTIndx);					// symbol table index
+				fprintf(core,"\t%s\n",symbolName);				// symbol name
+				rl++;			
+				}
+			}
+		}
+	}	
+
+void print_GlSymbols(Elf32_Ehdr* eh, Elf32_Sym* symT, unsigned char* strtab)
+	// print global symbols from Symbol Table
+	{	
+    int i=0;
+    int l=0;
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, eh->e_shoff);
+	char* sname = ADDR(char, eh, shdr[eh->e_shstrndx].sh_offset);
+	for (i=0;i< eh->e_shnum;i++)
+		{
+		if (!strcmp(".symtab", &sname[shdr[i].sh_name]))
+			{
+		  	int noOfSym=shdr[i].sh_size / shdr[i].sh_entsize; 	// number of symbols
+		  	const char *symName =(const char *)strtab;
+		  	int count = 1;										
+		  	fprintf(core,"Global symbols:\n");
+		  	fprintf(core,"=================\n\n");
+		  	for (l=0;l< noOfSym ;l++)
+				{
+				symT=symT+1;
+				if( ELF32_ST_BIND(symT->st_info) == 1)			// searching for global symbols
+			 		{
+			  		symName = symName + symT->st_name;			// index into string table section 
+			 		fprintf(core,"%d	",count);
+			  		fprintf(core,symName);
+			  		fprintf(core,"\n");
+			  		symName = symName - symT->st_name;			// back to pointing to first byte of string table
+			  		count++;
+					}
+			
+				}
+			}
+		}
+	}
+	
+void print_elf_header(Elf32_Ehdr* eh)
+	{
+	// print elf header
+	if (eh->e_version==1)
+		fprintf(core,"\tHeader version: EV_CURRENT (Current version)\n");
+	else
+		fprintf(core,"\tInvalid version: EV_NONE (Invalid version)\n");
+
+
+	fprintf(core,"\tFile Type\t\t\t:");
+	if (eh->e_type==0)
+		fprintf(core,"ET_NONE (No file type) (0)\n");
+	else if (eh->e_type==1)
+		fprintf(core,"ET_REL (Relocatable object) (1)\n");
+	else if (eh->e_type==2)
+		fprintf(core,"ET_EXEC (Executable file) (2)\n"); 
+	else if (eh->e_type==3)
+		fprintf(core,"ET_DYN (Shared object file) (3)\n"); 
+	else if (eh->e_type==4)
+		fprintf(core,"ET_CORE (Core File) (4)\n"); 
+	else if (eh->e_type==65280)
+		fprintf(core,"ET_LOPROC (Precessor Specific) (ff00)\n");
+	else	
+		fprintf(core,"ET_HIPROC (Precessor Specific) (ffff)\n");
+
+	if (eh->e_machine==40)
+		fprintf(core,"\tMachine\t\t\t\t:EM_ARM (ARM)\n");
+	else
+		fprintf(core,"\tERROR:\tUnexpected machine\n");
+
+	fprintf(core,"\tEntry offset (in SHF_ENTRYSECT section):0x%08x \n",eh->e_entry);
+	fprintf(core,"\tProgram header entries\t\t:%d\n",eh->e_phnum); 
+	fprintf(core,"\tSection header entries\t\t:%d\n",eh->e_shnum); 
+  
+	fprintf(core,"\tProgram header offset\t\t:%d",eh->e_phoff); 
+	fprintf(core,"  bytes (0x%08X",eh->e_phoff);
+	fprintf(core,")\n");
+	fprintf(core,"\tSection header offset\t\t:%d",eh->e_shoff); 
+	fprintf(core,"  bytes (0x%08X",eh->e_shoff);
+	fprintf(core,")\n");
+
+	fprintf(core,"\tProgram header entry size\t:%d",eh->e_phentsize); 
+	fprintf(core,"  bytes (0x%02X",eh->e_phentsize);
+	fprintf(core,")\n");
+	fprintf(core,"\tSection header entry size\t:%d",eh->e_shentsize); 
+	fprintf(core,"  bytes (0x%02X",eh->e_shentsize);
+	fprintf(core,")\n");
+	fprintf(core,"\tSection header string table index: %d \n", eh->e_shstrndx);
+	fprintf(core,"\tHeader size\t\t\t:%d", eh->e_ehsize);
+	fprintf(core,"  bytes (0x%02X",eh->e_ehsize);
+	fprintf(core,")\n");
+	}
+
+void print_sect_header(char* sname, Elf32_Shdr* shdr, int count)
+	// print section header names
+	{
+	static const char* KtypeName[]={"0","SHT_PROGBITS (1)","SHT_SYMTAB (2)","SHT_STRTAB (3)",
+								  "SHT_RELA (4)","5",	"SHT_DINAMIC (6)","7","8","SHT_REL (9)",
+								  "10","SHT_DINSYM (11)"};
+						
+	fprintf(core,"\n\n\tName\t\t:%1s\n ",&sname[shdr[count].sh_name]);
+	fprintf(core,"\tType\t\t: %s\n",  KtypeName[shdr[count].sh_type]);
+	fprintf(core,"\tAddr\t\t: 0x%08X\n",shdr[count].sh_addr);
+	fprintf(core,"\tSize\t\t: %1d", shdr[count].sh_size);
+	fprintf(core,"  bytes (0x%X",shdr[count].sh_size);
+	fprintf(core,")\n");
+	fprintf(core,"\tEntry Size\t: %1d\n",shdr[count].sh_entsize);
+	fprintf(core,"\tAligment\t: %1d\n\n\n",shdr[count].sh_addralign);		 	
+	}
+
+unsigned char* findSymbolStringT(Elf32_Ehdr* eh)
+	//calculate and return pointer to the first byte of string table(the one with symbol names)
+	{
+    int i=0;
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, eh->e_shoff);
+	char* sname = ADDR(char, eh, shdr[eh->e_shstrndx].sh_offset);
+	for (i=0;i < eh->e_shnum; i++)
+		{
+		if (!strcmp(".strtab", &sname[shdr[i].sh_name]))
+			{
+			unsigned char* data = ADDR(unsigned char, eh, shdr[i].sh_offset); 
+			return data;	//pointer to the first byte of string table section
+			}
+		}
+	return NULL;	//if not found  
+	}
+
+Elf32_Sym* findSymbolT(Elf32_Ehdr* eh)
+	//calculate and return pointer to the first element of symbol table	
+	{
+    int i=0;
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, eh->e_shoff);
+	for (i=0;i < eh->e_shnum;i++)
+		{
+		if (shdr[i].sh_type==2)
+			{
+			unsigned char* data = ADDR(unsigned char, eh, shdr[i].sh_offset);
+			Elf32_Sym* sym=(Elf32_Sym*)data;
+			return sym;		//pointer to the first element of symbol table.
+			}
+		}
+	return NULL; // if not found
+	}
+
+void print_Summary(Elf32_Ehdr* eh)
+	{
+    int i=0;
+	//print section names
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, eh->e_shoff);
+	char* sname = ADDR(char, eh, shdr[eh->e_shstrndx].sh_offset);
+	fprintf(core,"\nSummary: \n");
+	fprintf(core,"==========\n");
+	for (i=0;i< eh->e_shnum;i++)
+		{
+		fprintf(core,&sname[shdr[i].sh_name]);
+		fprintf(core,"\n");
+		}
+	}
+
+int printAll;
+/*char  *ctime( const time_t *date)
+{
+	 
+}*/	
+	
+
+enum TCrashType { ECrashException, ECrashKill };
+
+enum TExcType
+	{
+	EExcGeneral=0,
+	EExcIntegerDivideByZero=1,
+	EExcSingleStep=2,
+	EExcBreakPoint=3,
+	EExcIntegerOverflow=4,
+	EExcBoundsCheck=5,
+	EExcInvalidOpCode=6,
+	EExcDoubleFault=7,
+	EExcStackFault=8,
+	EExcAccessViolation=9,
+	EExcPrivInstruction=10,
+	EExcAlignment=11,
+	EExcPageFault=12,
+	EExcFloatDenormal=13,
+	EExcFloatDivideByZero=14,
+	EExcFloatInexactResult=15,
+	EExcFloatInvalidOperation=16,
+	EExcFloatOverflow=17,
+	EExcFloatStackCheck=18,
+	EExcFloatUnderflow=19,
+	EExcAbort=20,
+	EExcKill=21,
+	EExcUserInterrupt=22,
+	EExcDataAbort=23,
+	EExcCodeAbort=24,
+	EExcMaxNumber=25,
+	EExcInvalidVector=26
+	};
+
+char * TExcTypeNames[EExcInvalidVector+1] = 
+	{
+	"EExcGeneral",
+	"EExcIntegerDivideByZero",
+	"EExcSingleStep",
+	"EExcBreakPoint",
+	"EExcIntegerOverflow",
+	"EExcBoundsCheck",
+	"EExcInvalidOpCode",
+	"EExcDoubleFault",
+	"EExcStackFault",
+	"EExcAccessViolation",
+	"EExcPrivInstruction",
+	"EExcAlignment",
+	"EExcPageFault",
+	"EExcFloatDenormal",
+	"EExcFloatDivideByZero",
+	"EExcFloatInexactResult",
+	"EExcFloatInvalidOperation",
+	"EExcFloatOverflow",
+	"EExcFloatStackCheck",
+	"EExcFloatUnderflow",
+	"EExcAbort",
+	"EExcKill",
+	"EExcUserInterrupt",
+	"EExcDataAbort",
+	"EExcCodeAbort",
+	"EExcMaxNumber",
+	"EExcInvalidVector"
+	};
+
+void print_symbian_info(Sym32_syminfod *syminfod)
+{    
+	  
+	//fprintf(core,"\tDate and time of the crash\t:=0x%X",syminfod->sd_date_time );
+	const time_t unix_time = (time_t)62168256000LL;//from 0AD to 1970 in seconds = 365*1971*86 400
+	//fprintf(core,"\traw Date =0x%X\n", (syminfod->sd_date_time[1]<<32+syminfod->sd_date_time[0])/*/1000000*/ );
+    time_t date = syminfod->sd_date_time/1000000; //convert to seconds
+    date -= unix_time; //convert to unix time
+	fprintf(core,"\tDate and time of the crash\t: %s\n", ctime(&date));
+
+	if( SYM32_EXECID_SIZE != sizeof(Sym32_execid) )
+		{
+		fprintf(core,"\tWarning! : Expected Size of EXECUTABLE ID %d is different from sizeof operator %d\n\n", 
+			SYM32_EXECID_SIZE, sizeof(Sym32_execid) );
+		}
+
+	fprintf(core,"\tExecutable Crc32 (first 1kb)\t:0x%X\n",syminfod->sd_execid.exec_crc );
+
+	if( ECrashException == syminfod->sd_exit_type )
+		{
+		fprintf(core,"\tHardware Exception\t\t:%d\n",syminfod->sd_exit_reason);
+		fprintf(core,"\tException Type\t\t\t:%s\n", TExcTypeNames[syminfod->sd_exit_reason] );
+		}
+	else if ( ECrashKill == syminfod->sd_exit_type )
+		{
+		fprintf(core,"\tExit Type\t\t\t:%d",syminfod->sd_exit_reason);
+		switch(syminfod->sd_exit_reason)
+			{
+			case 0:fprintf(core,":EExitKill\n");		break;
+			case 1:fprintf(core,":EExitTerminate\n");	break;
+			case 2:fprintf(core,":EExitPanic\n");		break;
+			case 3:fprintf(core,":EExitPending\n");	break;
+			default:fprintf(core,":Unknown\n");			break;
+			}    
+		}
+	else
+		{
+		fprintf(core,"\t\tUnknown Crash Type\n" );
+		}
+	
+
+	fprintf(core,"\tCrashed Thread Id\t\t:0x%X\n",syminfod->sd_thread_id);
+	fprintf(core,"\tOwning process\t\t\t:0x%X\n",syminfod->sd_proc_id);
+}	
+
+void print_thread_info(Sym32_thrdinfod *thrdinfod)
+{
+	
+	//fprintf(core,"\tIndex into the CORE.SYMBIAN.STR note segment defining");
+	//fprintf(core," the name of the thread or ESYM_STR_UNDEF :%d\n",thrdinfod->td_name);
+	fprintf(core,"\tThread ID\t\t\t:0x%X\n",thrdinfod->td_id);
+	fprintf(core,"\tOwning process\t\t\t:0x%X\n",thrdinfod->td_owning_process);
+	fprintf(core,"\tThread Priority\t\t\t:%d\n",thrdinfod->td_priority);
+	fprintf(core,"\tSupervisor Stack Pointer\t:0x%08X\n",thrdinfod->td_svc_sp);
+	fprintf(core,"\tSupervisor Stack Address\t:0x%08X\n",thrdinfod->td_svc_stack);
+	fprintf(core,"\tSupervisor Stack Size\t\t:%u",thrdinfod->td_svc_stacksz);
+	fprintf(core,"  bytes (0x%08X",thrdinfod->td_svc_stacksz);
+	fprintf(core,")\n");
+    fprintf(core,"\tUser Stack Address\t\t:0x%08X\n",thrdinfod->td_usr_stack);
+    fprintf(core,"\tUser Stack Size\t\t\t:%u",thrdinfod->td_usr_stacksz);
+	fprintf(core,"  bytes (0x%08X)\n",thrdinfod->td_usr_stacksz);
+	fprintf(core,"\tCPU id\t\t\t:%d\n\n",thrdinfod->td_last_cpu_id);	
+}	
+
+void print_lock_data(Sym32_lockdata* lockdata)
+	{
+	fprintf(core,"\tNum locks\t\t\t:%d\n", lockdata->lk_lock_count);
+	fprintf(core,"\tmutex thread wait count\t\t\t:%d\n",lockdata->lk_mutex_thread_wait_count);
+	fprintf(core,"\tmutex thread held count\t\t\t:%d\n",lockdata->lk_mutex_held_count);
+	}
+
+void print_process_info(Sym32_procinfod *procinfod)
+{
+	
+	//fprintf(core,"\t\t\tIndex into the CORE.SYMBIAN.STR note segment defining");
+	//fprintf(core," the name of the process or ESYM_STR_UNDEF:%d\n",procinfod->pd_name);
+	fprintf(core,"\tProcess ID\t\t\t:0x%X\n",procinfod->pd_id);
+	fprintf(core,"\tProcess Priority\t\t:%d\n",procinfod->pd_priority);
+
+}
+
+void print_executable_info(Sym32_execinfod *execinfod)
+{
+	
+	fprintf(core,"\tExecutable ID\t\t\t:0x%08X\n",execinfod->ed_execid.exec_id);
+	fprintf(core,"\tExecutable Crc32 (first 1kb)\t:0x%X\n",execinfod->ed_execid.exec_crc );
+
+	if(execinfod->ed_XIP == 1)
+	{
+		fprintf(core,"\tXIP ROM\t\t\t\t:TRUE\n");
+    }
+    else if(execinfod->ed_XIP == 0)
+    {
+	     fprintf(core,"\tXIP ROM\t\t\t\t:FALSE\n");
+    }
+
+	fprintf(core,"\tSize of executable code segment\t\t\t:%d",execinfod->ed_codesize);
+	fprintf(core,"  bytes (0x%08X)\n",execinfod->ed_codesize);
+
+	fprintf(core,"\tExecution address of the code segment\t\t:0x%08X\n",execinfod->ed_coderunaddr);
+
+	fprintf(core,"\tBuild address of the code segment\t\t:0x%08X\n",execinfod->ed_codeloadaddr);
+
+	fprintf(core,"\tSize of the executable read only data segment\t:%d",execinfod->ed_rodatasize);
+	fprintf(core,"  bytes (0x%08X)\n",execinfod->ed_rodatasize);
+
+	fprintf(core,"\tExecution address of the read only data segment\t:0x%08X\n",execinfod->ed_rodatarunaddr);
+
+    fprintf(core,"\tBuild address of the read only data segment\t:0x%08X\n",execinfod->ed_rodataloadaddr);
+
+    fprintf(core,"\tSize of the executable data segment\t\t:%d", execinfod->ed_datasize);
+	fprintf(core,"  bytes (0x%08X)\n",execinfod->ed_datasize);
+
+    fprintf(core,"\tExecution address of the data segment\t\t:0x%08X\n",execinfod->ed_datarunaddr);
+	
+    fprintf(core,"\tBuild address of the data segment\t\t:0x%08X\n",execinfod->ed_dataloadaddr);
+}
+
+//void print_register_info(Sym32_reginfod *reginfod,unsigned int nreg,Sym32_regdatad *regdatad,char *array,unsigned int elenum)
+void print_register_info( Sym32_reginfod *reginfod, Elf32_Ehdr* eh, char *array )
+{   
+    unsigned int i=0;
+	Sym32_regdatad *regdatad = ADDR(Sym32_regdatad, reginfod, sizeof (Sym32_reginfod) );
+	fprintf(core,"\tVersion of the register data info descriptor\t:%s\n",&array[reginfod->rid_version]);
+	fprintf(core,"\tThread ID\t\t\t:0x%X\n",reginfod->rid_thread_id);
+	fprintf(core,"\tNumber of registers\t\t:%d\n",reginfod->rid_num_registers);
+
+	fprintf(core,"\tRegister Class\t\t\t:%d",reginfod->rid_class);
+	switch( reginfod->rid_class )
+		{
+		case ESYM_REG_CORE:
+			fprintf(core, " : ESYM_REG_CORE\n" );
+			break;
+		case ESYM_REG_COPRO:
+			fprintf(core, " : ESYM_REG_COPRO\n" );
+			break;
+		default:
+			fprintf(core, " : Unknown Register Class\n" );
+		}
+
+	fprintf(core,"\tRegister Representation\t\t:%d",reginfod->rid_repre );
+	switch( reginfod->rid_repre )
+		{
+		case ESYM_REG_8:
+			fprintf(core, " : ESYM_REG_8\n" );
+			break;
+		case ESYM_REG_16:
+			fprintf(core, " : ESYM_REG_16\n" );
+			break;
+		case ESYM_REG_32:
+			fprintf(core, " : ESYM_REG_32\n" );
+			break;
+		case ESYM_REG_64:
+			fprintf(core, " : ESYM_REG_64\n" );
+			break;
+		default:
+			fprintf(core, "\n" );
+		}
+
+	fprintf(core, "\n" );
+
+
+	for( i = 0; i < reginfod->rid_num_registers; i++ )
+	{
+		fprintf(core,"\tRegister ID\t\t\t:0x%X ", regdatad->rd_id);
+
+		if( ESYM_REG_CORE == reginfod->rid_class )
+		{
+			switch(regdatad->rd_id)
+			{
+				case 0x00000000: fprintf(core,"ARM REGISTER R0\n"); break;
+				case 0x00000100: fprintf(core,"ARM REGISTER R1\n"); break;
+				case 0x00000200: fprintf(core,"ARM REGISTER R2\n"); break;
+				case 0x00000300: fprintf(core,"ARM REGISTER R3\n"); break;
+				case 0x00000400: fprintf(core,"ARM REGISTER R4\n"); break;
+				case 0x00000500: fprintf(core,"ARM REGISTER R5\n"); break;
+				case 0x00000600: fprintf(core,"ARM REGISTER R6\n"); break;
+				case 0x00000700: fprintf(core,"ARM REGISTER R7\n"); break;
+				case 0x00000800: fprintf(core,"ARM REGISTER R8\n"); break;
+				case 0x00000900: fprintf(core,"ARM REGISTER R9\n"); break;
+				case 0x00000a00: fprintf(core,"ARM REGISTER R10\n"); break;
+				case 0x00000b00: fprintf(core,"ARM REGISTER R11\n"); break;
+				case 0x00000c00: fprintf(core,"ARM REGISTER R12\n"); break;
+				case 0x00000d00: fprintf(core,"ARM REGISTER R13\n"); break;
+				case 0x00000e00: fprintf(core,"ARM REGISTER R14\n"); break;
+				case 0x00000f00: fprintf(core,"ARM REGISTER R15\n"); break;
+				case 0x00001000: fprintf(core,"ARM REGISTER CPSR\n"); break;
+				case 0x00001100: fprintf(core,"ARM REGISTER R13_SVC\n"); break;
+				case 0x00001200: fprintf(core,"ARM REGISTER R14_SVC\n"); break;
+				case 0x00001300: fprintf(core,"ARM REGISTER SPSR_SVC\n"); break;
+				case 0x00001400: fprintf(core,"ARM REGISTER R13_ABT\n"); break;
+				case 0x00001500: fprintf(core,"ARM REGISTER R14_ABT\n"); break;
+				case 0x00001600: fprintf(core,"ARM REGISTER SPSR_ABT\n"); break;
+				case 0x00001700: fprintf(core,"ARM REGISTER R13_UND\n"); break;
+				case 0x00001800: fprintf(core,"ARM REGISTER R14_UND\n"); break;
+				case 0x00001900: fprintf(core,"ARM REGISTER SPSR_UND\n"); break;
+				case 0x00001a00: fprintf(core,"ARM REGISTER R13_IRQ\n"); break;
+				case 0x00001b00: fprintf(core,"ARM REGISTER R14_IRQ\n"); break;
+				case 0x00001c00: fprintf(core,"ARM REGISTER SPSR_IRQ\n"); break;
+				case 0x00001d00: fprintf(core,"ARM REGISTER R8_FIQ\n"); break;
+				case 0x00001e00: fprintf(core,"ARM REGISTER R9_FIQ\n"); break;
+				case 0x00001f00: fprintf(core,"ARM REGISTER R10_FIQ\n"); break;
+				case 0x00002000: fprintf(core,"ARM REGISTER R11_FIQ\n"); break;
+				case 0x00002100: fprintf(core,"ARM REGISTER R12_FIQ\n"); break;
+				case 0x00002200: fprintf(core,"ARM REGISTER R13_FIQ\n"); break;
+				case 0x00002300: fprintf(core,"ARM REGISTER R14_FIQ\n"); break; 
+				case 0x00002400: fprintf(core,"ARM REGISTER SPSR_FIQ\n"); break;
+				default:fprintf(core,"Unknown Core Register\n"); break;
+			} // switch
+		} // if CORE
+		else
+		{
+			fprintf(core,"\n\tRegister SubId\t\t\t:0x%X\n",regdatad->rd_sub_id);
+		}
+
+		switch( reginfod->rid_repre )
+		{
+		case ESYM_REG_8:
+            {
+			Elf32_Byte * val8;
+			val8 = ADDR( Elf32_Byte, eh, regdatad->rd_data );
+			fprintf(core, "\tESYM_REG_8 Value\t\t:0x%02X\n", *val8 );
+			break;
+            }
+		case ESYM_REG_16:
+            {
+			Elf32_Half * val16;
+			val16 = ADDR( Elf32_Half, eh, regdatad->rd_data );
+			fprintf(core, "\tESYM_REG_16 Value\t\t:0x%04X\n", *val16 );
+			break;
+            }
+		case ESYM_REG_32:
+            {
+			Elf32_Word * val32;
+			val32 = ADDR( Elf32_Word, eh, regdatad->rd_data );
+			fprintf(core, "\tESYM_REG_32 Value\t\t:0x%08X\n", *val32 );
+			break;
+            }
+		case ESYM_REG_64:
+            {
+			// We need to split the printing of a 64 bit number since the 
+			// printf is not working correctly for this size.
+			Elf32_Word * val64_0;
+			Elf32_Word * val64_1;
+			val64_0 = ADDR( Elf32_Word, eh, regdatad->rd_data );
+			val64_1 = ADDR( Elf32_Word, eh, regdatad->rd_data + 4 );
+			fprintf(core, "\tESYM_REG_64 Value\t\t:0x%X%X\n", *val64_1, *val64_0 );
+			break;
+	        }	
+		default:
+			fprintf(core, "\n" );
+		}
+
+		fprintf(core, "\n" );
+
+		regdatad++;
+
+	} // for
+ }
+
+void print_trace_info( Sym32_tracedata *aTraceData, Elf32_Ehdr* aElfHdr, char *aArray)
+	{	
+	fprintf(core, "\tVersion of the trace data info descriptor\t:%s\n", &aArray[aTraceData->tr_version]);
+	fprintf(core, "\tSize of trace buffer\t\t:%d bytes\n", aTraceData->tr_size);	
+			
+	if(aTraceData->tr_data == 0)
+		{
+		fprintf(core, "\tNo trace data present\n");
+		}
+	else
+		{
+		unsigned char* data = ADDR(unsigned char, aElfHdr, aTraceData->tr_data);	
+		fprintf(core, "\tTrace Data starts at\t\t:0x%X\n\n", data);
+		}	
+
+	fprintf(core, "\n\n");
+	}
+ 
+
+int do_elf_file(char* buffer, char* name)
+	{
+    int i=0;
+    int j=0;
+    int k=0;
+    char *array = NULL;
+	Elf32_Ehdr* eh=(Elf32_Ehdr *)buffer;	//elf header
+	int phnum = eh->e_phnum;
+	int phoff =eh->e_phoff;  
+	Elf32_Phdr* phdr = ADDR(Elf32_Phdr,eh,phoff);
+
+    int shoff = eh->e_shoff;							    // offset of section header table
+	Elf32_Shdr* shdr = ADDR(Elf32_Shdr, eh, shoff);			// calculating pointer to Secton Header Table
+															// Elf32_Shdr * shdr = (Elf32_Shdr *)(buffer+shoff); 
+	int shnum = eh->e_shnum;							    // number of section headers
+	int shstrndx = eh->e_shstrndx;
+	int snameoffset = shdr[shstrndx].sh_offset;				// offset in file of sections' names
+	char* sname = ADDR(char, eh, snameoffset);				// pointer to String Table which holds section names
+	Elf32_Sym* symT= findSymbolT(eh);	// pointer to Symbol table
+	unsigned char* strtab=findSymbolStringT(eh);	// pointer to String table which holds symbol names
+
+
+	if (eh->e_ident[EI_MAG0] !=0x7f || eh->e_ident[EI_MAG1] != 0x45 || eh->e_ident[EI_MAG2] !=0x4c || eh->e_ident[EI_MAG3] != 0x46)
+		{
+		// EI_MAG0 to EI_MAG3 - A files' first 4 bytes hold a 'magic number', identifying the file as an ELF object file. 
+        fprintf(core,"Error: %s is not a valid ELF file", name);
+		return 1;
+		}
+	if (eh->e_ident[EI_DATA] == 2)							
+		{
+		// ELF Header size should be 52 bytes or converted into Big-Endian system 13312
+		if (eh->e_ehsize != 13312)
+			{
+			fprintf(core,"\tERROR:\tELF Header contains invalid file type\n");
+			exit(1);
+			}
+		// e_ident[EI_DATA] specifies the data encoding of the processor-specific data in the object file.
+		fprintf(core,"\tERROR:\tData encoding ELFDATA2MSB (Big-Endian) not supported\n");
+		exit(1);
+		}
+	if (eh->e_ehsize != 52)
+		{
+		// ELF Header size should be 52 bytes
+        fprintf(core,"\tERROR:\tELF Header contains invalid file type\n");
+        exit(1);
+        }
+    
+	fprintf(core,"ELF HEADER INFORMATION\n");  
+	print_elf_header(eh);									// print Elf Header
+
+    //segments start here
+	for(j = 0; j < phnum; j++)
+		{
+		if(phdr[j].p_type == PT_NOTE)
+			{
+			Sym32_dhdr *dhdr = ADDR(Sym32_dhdr, eh, phdr[j].p_offset);
+			if(dhdr->d_type == ESYM_NOTE_STR)
+				{
+                array = (char*)dhdr + sizeof(Sym32_dhdr);
+				}
+		    }	
+		}   
+    
+    for(i = 0; i < phnum; i++)
+		{
+	    unsigned int data = phdr[i].p_offset;
+        Sym32_dhdr *dhdr = ADDR(Sym32_dhdr,eh,data);
+	    unsigned int  flag = phdr[i].p_flags;
+
+		if( SYM32_DESCHDR_SIZE != sizeof(Sym32_dhdr) )
+			{
+			fprintf(core,"\n\tWarning! : Expected Size of SYM32_DESCHDR_SIZE %d is different from sizeof(Sym32_dhdr) %d\n\n", 
+				 SYM32_DESCHDR_SIZE, sizeof(Sym32_dhdr) );
+			}
+
+	    fprintf(core,"\nPROGRAM HEADER ENTRY  %d INFORMATION \n",i);
+	    fprintf(core,"\tHeader offset\t\t\t:%d",phdr[i].p_offset); 
+	    fprintf(core,"  bytes (0x%08X",phdr[i].p_offset);
+	    fprintf(core,")\n");
+	    fprintf(core,"\tVirtual address\t\t\t:0x%08X\n",phdr[i].p_vaddr);
+	    
+	    fprintf(core,"\tSize of mapping from the file\t:0x%X (%d bytes)\n",phdr[i].p_filesz, phdr[i].p_filesz);
+	    fprintf(core,"\tSize of mapping in memory\t:0x%X (%d bytes)\n",phdr[i].p_memsz, phdr[i].p_memsz);
+	    
+	    switch(flag)
+			{
+		    case 1 :
+		             fprintf(core,"\tFlag\t\t\t\t:PF_X : (1) \n");
+		              break;
+		    case 2 :
+		             fprintf(core,"\tFlag\t\t\t\t:PF_W: (2) \n");
+		             break;
+		    case 4 :
+		             fprintf(core,"\tFlag\t\t\t\t:PF_R : (4) \n");
+		             break;
+		    case 5:
+		             fprintf(core,"\tFlag\t\t\t\t:PF_X|PF_R : (5)\n");
+		             break;
+		    case 6:
+		             fprintf(core,"\tFlag\t\t\t\t:PF_W|PF_R : (6)\n");
+		             break;
+			}
+
+		fprintf(core,"\tAlignment to word boundary      :%d \n",phdr[i].p_align);
+		
+	    if(phdr[i].p_type == PT_LOAD)
+			{
+		 	unsigned char* data = ADDR(unsigned char, eh, phdr[i].p_offset);
+            const int scope = 128;
+		 	fprintf(core,"\tLOADABLE CODE/DATA SEGMENT\n"); //load  
+		 	 //fprintf(core,"\tDatasegment starts from here:%p, size:%d\n",data, phdr[i].p_memsz);
+             if(phdr[i].p_filesz == 0) continue;
+             if(phdr[i].p_filesz < 2*scope)
+		        hexdump_data(data,phdr[i].p_memsz,phdr[i].p_vaddr);									
+             else
+                 {
+                 hexdump_data(data,scope,phdr[i].p_vaddr);
+                 fprintf(core,"\t...\n"); 
+                 hexdump_data(data+phdr[i].p_filesz-scope,scope,phdr[i].p_vaddr+phdr[i].p_filesz-scope);
+                 }
+             if(phdr[i].p_filesz%16) fprintf(core,"\n");
+			}
+	    else if(phdr[i].p_type == PT_NOTE)
+			{
+            fprintf(core,"\tName of the descriptor\t\t:%s\n",&array[dhdr->d_name]);
+            fprintf(core,"\tSize of single descriptor element:%d \n",dhdr->d_descrsz);
+	        fprintf(core,"\tVersion string\t\t\t:%s\n",&array[dhdr->d_version]);
+	        fprintf(core,"\tNumber of descriptor elements\t:%d\n",dhdr->d_elemnum); 
+			fprintf(core,"\tSegment type\t\t\t:");
+
+	        if( dhdr->d_type == ESYM_NOTE_SYM )
+				{
+				Sym32_syminfod *syminfod = ADDR(Sym32_syminfod,eh,data+sizeof(Sym32_dhdr));
+				fprintf(core,"SYMBIAN INFO SEGMENT\n\n");
+
+				if( sizeof(Sym32_syminfod) != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : sizeof(Sym32_syminfod) %d is different from descriptor size %d\n\n", 
+						 sizeof(Sym32_syminfod), dhdr->d_descrsz );
+					}
+
+				if( SYM32_SYMINFO_SIZE != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : Expected Size of SYMBIAN INFO SEGMENT %d is different from descriptor size %d\n\n", 
+						 SYM32_SYMINFO_SIZE, dhdr->d_descrsz );
+					}
+
+				if( syminfod->sd_exit_cat > 0 )
+					{
+					fprintf(core,"\tCrash reason\t\t\t:%s\n",&array[syminfod->sd_exit_cat]);
+					}
+				print_symbian_info(syminfod);
+	            }                 
+			else if( dhdr->d_type == ESYM_NOTE_THRD)
+				{
+		        Sym32_thrdinfod *thrdinfod = ADDR(Sym32_thrdinfod,eh,data+sizeof(Sym32_dhdr));
+		        fprintf(core,"THREAD INFO SEGMENT\n\n");
+
+				if( sizeof(Sym32_thrdinfod) != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : sizeof(Sym32_thrdinfod) %d is different from descriptor size %d\n\n", 
+						sizeof(Sym32_thrdinfod), dhdr->d_descrsz );
+					}
+
+				if( SYM32_THRINFO_SIZE!= dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : Expected Size of THREAD INFO SEGMENT %d is different from descriptor size %d\n\n", 
+						 SYM32_THRINFO_SIZE, dhdr->d_descrsz );
+					}
+
+				for(j = 0; j < dhdr->d_elemnum; j++ )
+					{
+					fprintf(core,"\tThread Name\t\t\t:%s\n",&array[thrdinfod->td_name]);
+					print_thread_info(thrdinfod);
+					thrdinfod ++;
+					}
+				}                      
+			else if(dhdr->d_type == ESYM_NOTE_PROC )
+				{
+		        Sym32_procinfod *procinfod = ADDR(Sym32_procinfod,eh,data+sizeof(Sym32_dhdr));
+		        fprintf(core,"PROCESS INFO SEGMENT\n\n");
+
+				if( sizeof(Sym32_procinfod) != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! :  sizeof(Sym32_procinfod) %d is different from descriptor size %d\n\n", 
+						sizeof(Sym32_procinfod), dhdr->d_descrsz );
+					}
+
+				if( SYM32_PROCINFO_SIZE != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : Expected Size of PROCESS INFO SEGMENT %d is different from descriptor size %d\n\n", 
+						 SYM32_PROCINFO_SIZE, dhdr->d_descrsz );
+					}
+
+				
+				for(j = 0; j < dhdr->d_elemnum; j++ )
+					{
+					fprintf(core,"\tProcess Name\t\t\t:%s\n",&array[procinfod->pd_name]);
+					print_process_info(procinfod);
+					procinfod ++;
+					fprintf(core,"\n");
+					}
+				}                        
+			else if(dhdr->d_type == ESYM_NOTE_EXEC)
+				{ 
+		        Sym32_execinfod *execinfod = ADDR(Sym32_execinfod,eh,data+sizeof(Sym32_dhdr));
+		        fprintf(core,"EXECUTABLE INFO SEGMENT\n\n");
+				
+				if( sizeof(Sym32_execinfod) != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : sizeof(Sym32_execinfod) %d is different from descriptor size %d\n\n", 
+						sizeof(Sym32_execinfod), dhdr->d_descrsz );
+					}
+
+				if( SYM32_EXECINFO_SIZE != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : Expected Size of EXECUTABLE INFO SEGMENT %d is different from descriptor size %d\n\n", 
+						 SYM32_EXECINFO_SIZE, dhdr->d_descrsz );
+					}
+
+                for(j = 0; j < dhdr->d_elemnum; j++)
+                    {
+                    if(j) fprintf(core,"\n");
+		            fprintf(core,"\tCrashed Executable Name\t\t:%s\n",&array[execinfod->ed_name]);
+			        print_executable_info(execinfod);
+                    execinfod++;
+                    }
+				}                      
+			else if(dhdr->d_type == ESYM_NOTE_REG)
+				{
+			    Sym32_reginfod *reginfod = ADDR(Sym32_reginfod,eh,data+sizeof(Sym32_dhdr));
+			    fprintf(core,"REGISTER INFO SEGMENT\n\n");
+
+				if( SYM32_REGINFO_SIZE != sizeof(Sym32_reginfod) )
+					{
+					fprintf(core,"\tWarning! : Expected Size of REGISTER INFO SEGMENT %d is different from sizeof operator %d\n\n", 
+						SYM32_REGINFO_SIZE, sizeof(Sym32_reginfod) );
+					}
+
+				if( SYM32_REGDATA_SIZE != sizeof(Sym32_regdatad) )
+					{
+					fprintf(core,"\tWarning! : Expected Size of REGISTER INFO DATA SEGMENT %d is different from sizeof operator %d\n\n", 
+						SYM32_REGDATA_SIZE, sizeof(Sym32_regdatad) );
+					}
+
+			    
+				for( j = 0; j < dhdr->d_elemnum; j++ )
+					{
+				    print_register_info(reginfod, eh, array);
+					reginfod ++;
+					}
+			    
+				}   
+			else if(dhdr->d_type == ESYM_NOTE_TRACE)
+				{
+				Sym32_tracedata *traceInfo = ADDR(Sym32_tracedata, eh, data+sizeof(Sym32_dhdr));
+				int cnt = 0;
+				fprintf(core, "TRACE INFO SEGMENT\n\n");
+				
+				if( SYM32_TRACEDATA_SIZE != sizeof(Sym32_tracedata) )
+					{
+					fprintf(core, "\tWarning! : Expected Size of TRACE INFO SEGMENT %d is different from sizeof operator %d\n\n", 
+							SYM32_TRACEDATA_SIZE, sizeof(Sym32_tracedata) );
+					}
+
+				if( SYM32_TRACEDATA_SIZE != sizeof(Sym32_tracedata) )
+					{
+					fprintf(core, "\tWarning! : Expected Size of TRACE INFO DATA SEGMENT %d is different from sizeof operator %d\n\n", 
+							SYM32_TRACEDATA_SIZE, sizeof(Sym32_regdatad) );
+					}														
+				
+				for( cnt = 0; cnt < dhdr->d_elemnum; cnt++ )
+					{
+					print_trace_info(traceInfo, eh, array);
+					traceInfo++;
+					}
+				
+				}
+			else if(dhdr->d_type == ESYM_NOTE_STR)
+				{
+			    char *temp=array+dhdr->d_descrsz;
+				fprintf(core,"STRING INFO SEGMENT\n\n");
+			    fprintf(core,"\t");
+			    while(array<=temp)
+					{
+				    fprintf(core,"%c",*array);
+			        array++;
+		            }
+		        }
+			else if(dhdr->d_type == ESYM_NOTE_LOCKDATA)
+				{
+
+				Sym32_lockdata* lockdata = ADDR(Sym32_lockdata,eh,data+sizeof(Sym32_dhdr));
+		        fprintf(core,"LOCK DATA SEGMENT\n\n");
+
+				if( sizeof(Sym32_lockdata) != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! :  sizeof(Sym32_lockdata) %d is different from descriptor size %d\n\n", 
+						sizeof(Sym32_lockdata), dhdr->d_descrsz );
+					}
+
+				if( SYM32_LOCKDATA_SIZE != dhdr->d_descrsz )
+					{
+					fprintf(core,"\tWarning! : Expected Size of LOCK DATA SEGMENT %d is different from descriptor size %d\n\n", 
+							SYM32_LOCKDATA_SIZE, dhdr->d_descrsz );
+					}				
+	            fprintf(core,"\tLock Data\n");
+	            print_lock_data(lockdata);
+				}
+			}    
+		else
+			{
+		 	//fprintf(core,"\t other p_types\n"); //unknown 
+		 	continue;  
+			}
+		}
+	
+    //sections start here
+   	if (symT==NULL)
+		{
+		fprintf(core,"\nSymbol table not found\n");
+		}
+
+	if (strtab==NULL)
+		{	
+		fprintf(core,"\nString table holding symbol names not found\n");
+		}
+
+	print_reloc(eh,symT, strtab);	// print relocation info showing symbol names and
+					        // and the name of section in which the relocaton occurs.														
+	for(k = 0; k < shnum; k++)
+		{    
+		unsigned char* data = ADDR(unsigned char, eh, shdr[k].sh_offset);	//pointer to the first byte in the section
+															//unsigned char * data = (unsigned char * )(buffer+shdr[k].sh_offset);
+		int size = shdr[k].sh_size;	// section size in bytes
+	
+		//print directive section
+		if (!strcmp(".directive", &sname[shdr[k].sh_name])) 
+			{ 
+			print_sect_header(sname, shdr, k);
+			print_directive(data,size);
+			}
+
+		if (!strcmp(".symtab", &sname[shdr[k].sh_name])) 
+			{
+			 print_sect_header(sname, shdr, k);	
+			 // print global symbols
+			 print_GlSymbols(eh,symT, strtab);								
+			}
+
+		//print relevant section header names
+ 		//print hex dump of relevant sections
+		if (shdr[k].sh_type==1 || shdr[k].sh_type==4 || shdr[k].sh_type==6 ||
+		    shdr[k].sh_type==9 || shdr[k].sh_type==11)
+			{
+			if (strcmp(".comment", &sname[shdr[k].sh_name])&&
+				strcmp(".line", &sname[shdr[k].sh_name])   &&
+				strcmp(".hash", &sname[shdr[k].sh_name])   &&
+				strcmp(".note", &sname[shdr[k].sh_name])   &&
+				strcmp(".directive", &sname[shdr[k].sh_name]) &&
+				strncmp(".debug",&sname[shdr[k].sh_name] ,6))
+				{
+				if ( ! ( (ignoreSomeSections) &&
+					 (strncmp(".rel.debug_", &sname[shdr[k].sh_name], 11)==0)
+				       )
+				   )
+					{
+					print_sect_header(sname, shdr, k);			
+			 	    hexdump(data,size,k);
+					}
+				}
+			}
+		if (printAll)		// displays extra information
+			{ 	
+			if(k!=0)
+			 	{
+		 	 	print_sect_header(sname, shdr, k);					
+		 		hexdump(data,size,k);				
+		 		}
+		 	}		
+		}
+	print_Summary(eh);	// print section names
+	return 0;
+}
+
+int read_ar_element_header(char* ptr)
+	{
+	int length = strtol(ptr+48,0,10);
+
+	if (strncmp(ptr+58, "\x60\x0A", 2) != 0)
+		{
+		return -1;
+		}
+	return length;
+	}
+	
+int main(int argc, char* argv[])
+	{
+	struct stat results;
+	FILE *elffile;
+    int i=0;
+	char* arg = NULL;
+	int numberOfOptions=2;
+    int remainder = 0;
+    char *buffer = NULL;
+    char *nextfile = NULL;
+
+	printAll=0;
+	ignoreSomeSections=0;
+
+	if (argc<2)
+		{
+		fprintf(stderr,"File not specified");
+		exit(1);
+		}
+	else if (argc>numberOfOptions+2)
+		{
+		fprintf(stderr,"Too many arguments");
+		exit(1);
+		}
+	else
+		{
+		for (i=1;i<=argc-2;i++)
+			{
+			if ( strcmp("-i", argv[i]) ==0 )
+				{
+				ignoreSomeSections=1;
+				}
+			else if ( strcmp("-a", argv[i]) ==0 )
+				{
+				printAll=1;
+				}
+			}
+		arg=argv[argc-1];
+		}
+
+    
+    if((core = fopen("c:\\core", "w")) == NULL)
+    {
+        fprintf(stderr, "Error opening core\n");
+        exit(1);
+    }
+
+	stat(arg, &results); 
+	if((elffile  = fopen(arg, "rb" )) == NULL)
+   		{
+   		fprintf(stderr,"Error opening file %s", arg);
+		exit (1); 
+   		}
+
+    buffer = (char*) calloc(results.st_size, sizeof(char));
+	remainder = fread( buffer, sizeof( char ), results.st_size, elffile);
+	fclose(elffile);						
+	
+	if (strncmp(buffer, "!<arch>\x0A", 8) != 0)
+		{
+		// plain ELF file
+		if (do_elf_file(buffer, arg) != 0)
+			{
+			return 1;
+			}
+		return 0;
+		}
+
+    fclose(core);
+	// library file
+	nextfile = buffer;
+	remainder = results.st_size;
+
+#define ADVANCE(n)	nextfile+=(n); remainder-=(n);
+
+	ADVANCE(8);
+		
+	while (remainder > 0)
+		{
+		int element_length = read_ar_element_header(nextfile);
+		ADVANCE(60);
+		
+		if (element_length < 0 || element_length > remainder)
+			{
+			fprintf(stderr,"Error: archive file corrupt");
+			return 1;
+			}
+		
+		if (strncmp(nextfile, "\x7F\x45\x4C\x46",4) == 0)
+			{
+			if (do_elf_file(nextfile, "archive_element") != 0)
+				{
+				return 1;
+				}
+			}
+		element_length += element_length&1;	// round up to a multiple of 2
+		ADVANCE(element_length);
+		}
+		
+    free(buffer);
+	return 0;
+	}
+