[llvm-bugs] [Bug 39882] New: [codeview] LLVM-generated PDBs contain CodeView symbols with invalid Seg:Offset

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Dec 4 16:49:28 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=39882

            Bug ID: 39882
           Summary: [codeview] LLVM-generated PDBs contain CodeView
                    symbols with invalid Seg:Offset
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: DebugInfo
          Assignee: unassignedbugs at nondot.org
          Reporter: mosescu at google.com
                CC: jdevlieghere at apple.com, keith.walker at arm.com,
                    llvm-bugs at lists.llvm.org,
                    paul_robinson at playstation.sony.com

Looking at chrome_child.pdb I noticed quite a few symbols with seemingly
invalid segment:offset, for example:

 68 | S_LDATA32 [size = 44] `trace_event_unique_atomic140`
      type = 0x0013 (__int64), addr = 0000:0000
112 | S_LDATA32 [size = 44] `trace_event_unique_atomic171`
      type = 0x0013 (__int64), addr = 0000:0000
156 | S_LDATA32 [size = 44] `trace_event_unique_atomic196`
      type = 0x0013 (__int64), addr = 0000:0000
...

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