Add mc-sgx-panic-log

[nick-mobilecoin]

Add a panic handler that will log the panic info from an SGX enclave to
the host

Future Work

Remove use of String for the info struct, added a task to #29 for this.

[nick-mobilecoin]

Current dependencies on/for this PR:

• main
  • PR Update CI for SGX SDK action update #14
    • PR Move panic to panic/abort #13
      • PR Add untrusted side of stderr from enclave #15
        • PR Add mc-sgx-io #22
          • PR Add mc-sgx-panic-log #24 👈
            • PR Add mc-sgx-panic crate for common panic handling #30
              • PR Add panicking::panic_count to mc-sgx-panic #31
                • PR Update CODEOWNERS file #32
                  • PR Add panicking::panicking() function #33
                  • PR Add public function thread::panicking() #34
                  • PR Add mc-sgx-sync crate #35
                  • PR Add poison.rs to mc-sgx-sync crate #36
                  • PR Add sys module to mc-sgx-sync #39
                  • PR Add mutex.rs to mc-sgx-sync crate #40
                  • PR Use a static buffer for panic messages #41
                  • PR Add mc-sgx-sync::sys::locks::Condvar #42
                  • PR Add Condvar to mc-sgx-sync crate #43
                  • PR Add mc-sgx-sync::sys::locks::RwLock #44
                  • PR Add RwLock to mc-sgx-sync #45
                  • PR Add example usage for mc-sgx-sync and std::sync #46
                  • PR Merge panic-abort and panic-log crates into mc-sgx-panic #48
                  • PR Prevent recursive panics from happening #50
                  • PR Remove unneeded traits on sys types #51
        • PR Rename mc-sgx-io to mc-sgx-io-untrusted #21

This comment was auto-generated by Graphite.

[codecov-commenter]

Codecov Report

Merging #24 (01e877c) into trusted-stderr (7d70100) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           trusted-stderr      #24   +/-   ##
===============================================
  Coverage           87.59%   87.59%           
===============================================
  Files                   4        4           
  Lines                 129      129           
===============================================
  Hits                  113      113           
  Misses                 16       16           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[awygle]

Approving conditional on the mc-sgx-io changes getting merged (the stderr_write_all bit at least looks fine to me in that PR, for the record).

[NotGyro]

Looks good to me, simple addition of a new (currently very small) crate