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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 |