[LLVMbugs] [Bug 14728] New: debug info doesn't describe TLS variables correctly
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Thu Dec 27 19:42:35 PST 2012
http://llvm.org/bugs/show_bug.cgi?id=14728
Bug #: 14728
Summary: debug info doesn't describe TLS variables correctly
Product: clang
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Keywords: googler
Severity: enhancement
Priority: P
Component: C++
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: dblaikie at gmail.com
CC: dgregor at apple.com, echristo at gmail.com,
llvmbugs at cs.uiuc.edu
Blocks: 14330
Classification: Unclassified
Failures found in the GDB 7.5 test suite (gdb.threads/tls.exp) demonstrate that
Clang/LLVM don't support various debug info related to TLS variables.
I haven't investigated this further as Eric mentioned this is a completely
unimplemented/uninvestigated, not just a minor bug. I'll leave further
investigation to a time when we sit down to actually implement this.
Some of the observed problems include:
* GDB cannot print the value of a TLS variable
* GDB incorrectly describes a TLS variable as static instead of thread local
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