[LLVMbugs] [Bug 16564] New: _Unwind_GetIP not provided on ARM

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jul 8 13:15:26 PDT 2013


            Bug ID: 16564
           Summary: _Unwind_GetIP not provided on ARM
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Headers
          Assignee: unassignedclangbugs at nondot.org
          Reporter: scherkus at chromium.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

I'm writing stack trace dumping code and noticed clang doesn't provide
_Unwind_GetIP on ARM in its implementation of unwind.h

For reference, I believe the ARM code was added in r148469 by eugenis@ but
_Unwind_GetIP was left out:

Our current workaround uses _Unwind_VRS_Get() and removing the thumb mode bit:

Apologies in advance as I'm new to filing llvm bugs... but if GCC's ARM
unwind.h provides an _Unwind_GetIP, should clang provide an implementation as

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