• bjaideep's avatar
    PPC/s390: [wasm] Do not use setjmp/longjmp in cctests. · 13042c9a
    bjaideep authored
    Port 79570f87
    
    Original Commit Message:
    
        The use of setjmp/longjmp makes the cctests in test-run-wasm and
        test-run-wasm-64 flaky on Windows, and I think that it is better not
        to use it. With this CL I replace it as follows:
    
        Similar to the setjmp/longjmp implementation we still call a C
        function when a trap happens. However, instead of calling longjmp in
        this C function we just set a flag which indicates that a trap
        happened and then return. After we return from the C function we leave
        the frame of the current wasm function and return with a RET
        instruction. At the end of a test the wasm test runner checks the flag
        to see if a trap happened.
    
        Please take a special look at the LeaveFrame function on arm64.
    
    R=ahaas@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
    BUG=
    LOG=N
    
    Review-Url: https://codereview.chromium.org/2685303003
    Cr-Commit-Position: refs/heads/master@{#43110}
    13042c9a
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