gcore – A core dump utility for OS X

gcore is a core dump utility for OS X (named after similar tools) and was created by Amit Singh and published along with his book “Mac OS X Internals” in the online bonus chapter.

Usage

gcore [-c corefile] [-s] <pid>

Options

-c

Specify the file where to store the dump
Default: core.PID

-s

Suspend the process while dumping it's memory.
Note: If the process was already suspended, it will be resumed nevertheless.