/*
* 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;
}