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20 Commits

Author SHA1 Message Date
Nuno Lopes
2abd7ffa22 move Signals to .rodata 
llvm-svn: 155283
 2012-04-21 14:45:37 +00:00
Ahmed Charles
745c53c2a7 Remove dead code. Improve llvm_unreachable text. Simplify some control flow. 
llvm-svn: 150918
 2012-02-19 11:37:01 +00:00
NAKAMURA Takumi
e2ae0063cf lib/Support/CrashRecoveryContext.cpp: Add Win32 support to CrashRecoveryContext. Thanks to Aaron Ballman! 
llvm-svn: 138199
 2011-08-20 06:35:36 +00:00
Ted Kremenek
d582517a58 Properly initialize all fields in CrashReporterCleanupContext. This caused the buildbot failure earlier. 
llvm-svn: 128071
 2011-03-22 04:33:13 +00:00
Ted Kremenek
33f7ecabd4 Temporarily stop recovering resources in CrashRecoveryContext while I investigate further why this works on my machine and not on others. 
llvm-svn: 128065
 2011-03-22 02:06:32 +00:00
Ted Kremenek
a462a53e0b Provide a means for CrashRecovery clients to determine if code is currently running while crash recovery cleanups are being processed. 
llvm-svn: 128008
 2011-03-21 18:38:03 +00:00
Ted Kremenek
c4fa37479a Tweak CrashRecoveryContextCleanup to provide an easy method for clients to select between 'delete' and 'destructor' cleanups, and allow the destructor of CrashRecoveryContextCleanupRegister to be pseudo re-entrant. 
llvm-svn: 127929
 2011-03-19 00:59:37 +00:00
Ted Kremenek
be390d8777 Tweak CrashRecoveryContext::GetCurrent() to return quickly if 'gCrsahRecoveryEnabled' is false. This avoids us needing to go to thread local storage for 
the performance sensitive case where we are compiling code.

llvm-svn: 127928
 2011-03-19 00:59:33 +00:00
Ted Kremenek
1a2fa05e5f Augment CrashRecoveryContext to have registered "cleanup" objects that can be used to release resources during a crash. 
llvm-svn: 127849
 2011-03-18 02:05:11 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Daniel Dunbar
8f3d8495f5 CrashRecoveryContext: Add RunSafelyOnThread helper function. 
llvm-svn: 118272
 2010-11-05 07:19:09 +00:00
Daniel Dunbar
f5c3546f2b CrashRecoveryContext: Add missing return, so that the signal fires after we our 
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

llvm-svn: 116755
 2010-10-18 21:55:18 +00:00
Daniel Dunbar
e88f283f80 CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes. 
llvm-svn: 111309
 2010-08-17 22:32:39 +00:00
Daniel Dunbar
b5312b0f26 CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere. 
llvm-svn: 111308
 2010-08-17 22:32:37 +00:00
Daniel Dunbar
0fc35d7284 CrashRecovery: Make CrashRecoveryContext static methods thread safe. 
llvm-svn: 111307
 2010-08-17 22:32:34 +00:00
Daniel Dunbar
c97e760282 Fix -Wmissing-field-initializers warnings. 
llvm-svn: 109872
 2010-07-30 17:49:04 +00:00
Daniel Dunbar
d516b0a1bd CrashRecovery: Use ThreadLocal::erase() instead of set(0). 
llvm-svn: 109752
 2010-07-29 15:24:21 +00:00
Daniel Dunbar
d62252d9f8 Make sure to include config.h, to pickup LLVM_ON_WIN32. 
llvm-svn: 109721
 2010-07-29 01:52:04 +00:00
Daniel Dunbar
a5b23b4df1 CrashRecoveryContext: Add a simple POSIX implementation. 
- This works, but won't handle crashes on stack overflow, or signals delivered
   to a thread other than the one that crashed. The latter is particular annoying
   on Darwin, because SIGABRT tends to go to the main thread.

llvm-svn: 109717
 2010-07-29 01:21:47 +00:00
Daniel Dunbar
4cf25fa76a Support: Add CrashRecoveryContext helper object. 
- Designed as a simple wrapper to allow clients to attempt to catch crashes
   (memory errors, assertion violations, etc.) and do some kind of recovery.

 - Currently doesn't actually attempt to catch crashes.

llvm-svn: 109586
 2010-07-28 15:40:20 +00:00