• Milad Farazmand's avatar
    PPC/s390: [arm32] Fix breakpoints in simulator/debugger · 19bc0ea2
    Milad Farazmand authored
    Port e920b2e3
    
    Original Commit Message:
    
        - Debugger stepping assumes that the pc points to the instruction
          that should get executed next, so we need to increment it when
          we hit a stop or a bkpt instruction or else we'll end up in an
          infinite loop.
        - The "break" and the "stop unstop" command write into code space, so
          they need to temporarily make code space writable or else they
          just crash. (Note that this doesn't work for embedded builtins.)
    
    R=neis@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
    BUG=
    LOG=N
    
    Change-Id: I1a9507f621c83dd94f2de230f7c75bc1fee95dd0
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2031204Reviewed-by: 's avatarGeorg Neis <neis@chromium.org>
    Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
    Cr-Commit-Position: refs/heads/master@{#66057}
    19bc0ea2
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