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2013-10-19Use __morestack to detect stack overflowAlex Crichton-33/+0
This commit resumes management of the stack boundaries and limits when switching between tasks. This additionally leverages the __morestack function to run code on "stack overflow". The current behavior is to abort the process, but this is probably not the best behavior in the long term (for deails, see the comment I wrote up in the stack exhaustion routine).
2013-05-03add gitattributes and fix whitespace issuesDaniel Micay-1/+0
2012-12-03Update license, add license boilerplate to most files. Remainder will follow.Graydon Hoare-0/+10
2012-04-04rt: Add architecture-specific general-purpose register definitionsPatrick Walton-0/+24
This will be used for stack crawling, which in turn will be used for GC and unwinding.