SEASON 3
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
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