[llvm-bugs] [Bug 30351] New: [ASan] Reify all information relevant for diagnostics

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https://llvm.org/bugs/show_bug.cgi?id=30351

            Bug ID: 30351
           Summary: [ASan] Reify all information relevant for diagnostics
           Product: compiler-rt
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: compiler-rt
          Assignee: unassignedbugs at nondot.org
          Reporter: filcab at gmail.com
                CC: kcc at google.com, llvm-bugs at lists.llvm.org,
                    vitalybuka at google.com
    Classification: Unclassified

>From the discussion started at:
http://lists.llvm.org/pipermail/llvm-dev/2016-July/101933.html

We'd like to have all information relevant to errors reported by ASan reified
so we can add efficient debugger integration and coredump support.

The current functions that ASan has, even though they're callable from a
debugger, aren't appropriate for this use case for two reasons:
  - It is slow to query all the information needed, and most of it the debugger
can only get it by printing it, or knowing a bit too much about ASan internals
  - It requires a live process.

The work is already under way since r278718 (D23519).
Address description structures were mostly finished after r279237 (D23658).

Error reification started since r279862 (D23672).

Work is still underway.

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