$ whatis core

core - process core file

core (5) - core dump file

Examples:

# hostname

MySolaris



Find the core file relative to the current directory I am in now.

# find . -name core

./2.2/htdocs/tt/how-to/core



Show me the format of this core file.

# file ./2.2/htdocs/tt/how-to/core

./2.2/htdocs/tt/how-to/core:        ELF 32-bit LSB core file 80386 Version 1, from 'testme'



Show me the shared libraries that are used by this core file.

# pldd ./2.2/htdocs/tt/how-to/core

core './2.2/htdocs/tt/how-to/core' of 27028:        ./testme

/usr/lib/libc/libc_hwcap1.so.1



# cd ../2.2/htdocs/tt/how-to/core

# file core

core:           ELF 32-bit LSB core file 80386 Version 1, from 'testme'



# pldd -l core

core 'core' of 27028:   ./testme

/lib/libc.so.1



	To analyze the core file using adb debugger.

# adb core

core file = core -- program ``/var/apache2/2.2/htdocs/tt/how-to/testme'' on platform i86pc

SIGFPE: Arithmetic Exception



	To get status of the current core file.

::status

debugging core file of testme (32-bit) from isas53

file: /var/apache2/2.2/htdocs/tt/how-to/testme

initial argv: ./testme

threading model: native threads

status: process terminated by SIGFPE (Arithmetic Exception), addr=8050d5d

	To get the Registers values

$r

%cs = 0x0043            %eax = 0x00000000 

%ds = 0x004b            %ebx = 0xfeffb8f4 

%ss = 0x004b            %ecx = 0x08047d04 

%es = 0x004b            %edx = 0x00000000 

%fs = 0x0000            %esi = 0x08047ce8 

%gs = 0x01c3            %edi = 0x08047d88 



 %eip = 0x08050d5d main+0x99

 %ebp = 0x08047d08

%kesp = 0x00000000



%eflags = 0x00010212

  id=0 vip=0 vif=0 ac=0 vm=0 rf=1 nt=0 iopl=0x0

  status=



   %esp = 0x08047cdc

%trapno = 0x0

   %err = 0x0



	To get the stack.

$c

main+0x99(1, 8047d2c, 8047d34, 8050de0, 0, 0)

_start+0x83(1, 8047df0, 0, 8047df9, 8047e36, 8047e46)



$C

08047d08 main+0x99(1, 8047d2c, 8047d34, 8050de0, 0, 0)

08047d20 _start+0x83(1, 8047df0, 0, 8047df9, 8047e36, 8047e46)

	To guit from the adb deugger.

$q