core file

Contains the memory snapshot of a process at error time

The following errors cause core dump

• Memory address violations,

• illegal instructions,

• bus errors,

• user generated quit signals

Core dump contents

Name	Description
Core header	Basic information about core dump, and contains offsets that locate the remaining core dump info.
ldinfo	Loader information
mstsave	Kernel thread state information. The faulting thread mstsave structure is saved in the core header
Default user stack	A copy of the user stack at the time of the core dump
Default data area	(Optional) Contains the user data section
Memory mapped regions	(Optional) Contains the anonymously mapped regions
vm_info	(Optional) Contains offset and size information for memory mapped regions