• mvstanton's avatar
    Special printing for type feedback vectors. · 9386b861
    mvstanton authored
    Gdb macro jfv on an object will print it as a feedback vector.
    Printouts look like this:
    
    DebugPrint: 0x5dc0d2ad: [TypeFeedbackVector]
     - length: 12
     - ics with type info: 3
     - generic ics: 0
     ICSlot 0 CALL_IC MONOMORPHIC
      [4]: 0x5dc0d365 WeakCell for 0x5dc0cd69 <JS Function foo (SharedFunctionInfo 0x5dc0cb0d)>
      [5]: 0x4203c4c1 <Code: HANDLER>
     ICSlot 1 LOAD_IC MONOMORPHIC
      [6]: 0x5dc0d1f5 WeakCell for 0x3a710481 <Map(FAST_HOLEY_SMI_ELEMENTS)>
      [7]: 0x4203a1c1 <Code: HANDLER>
     ICSlot 2 LOAD_IC UNINITIALIZED
      [8]: 0x3060d045 <Symbol: 711234650 <String[20]: uninitialized_symbol>>
      [9]: 0x3060d045 <Symbol: 711234650 <String[20]: uninitialized_symbol>>
     ICSlot 3 LOAD_IC MONOMORPHIC
      [10]: 0x5dc0d3b5 WeakCell for 0x3a710d71 <Map(FAST_HOLEY_ELEMENTS)>
      [11]: 0x4202af01 <Code: HANDLER>
    
    BUG=
    
    Review URL: https://codereview.chromium.org/1225403005
    
    Cr-Commit-Position: refs/heads/master@{#29679}
    9386b861
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