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145 Commits

Author SHA1 Message Date
Howard Hinnant 71cf5ab0d3 __gxx_personality_v0 and __cxa_call_unexpected are complete on darwin and I *think* linux (not positive), but still unimplemented on arm. 
llvm-svn: 149711
 2012-02-03 20:53:52 +00:00
Howard Hinnant 92afda06d7 Pushed optimization back up. Crash disappeared with compiler upgrade. Assumed to be due to compiler bug. 
llvm-svn: 149702
 2012-02-03 18:36:36 +00:00
Howard Hinnant 31dea02601 corrected namespace in test 
llvm-svn: 149635
 2012-02-02 22:00:52 +00:00
Howard Hinnant eaa65afc7b Work on restricting symbol visibility. 
llvm-svn: 149633
 2012-02-02 20:47:28 +00:00
Howard Hinnant 90ef25c05e Add version number to this library so we can recognize when we're using it. 
llvm-svn: 149632
 2012-02-02 20:47:05 +00:00
Howard Hinnant 67e5863cd9 There's a crasher I need to track down, occurring at -O0. 
llvm-svn: 149631
 2012-02-02 20:42:31 +00:00
Marshall Clow a27b0cd8ee added const nullptr tests 
llvm-svn: 149552
 2012-02-01 22:27:24 +00:00
Marshall Clow e71ddf2fcb removed duplicated tests - Howard was quicker than me. 
llvm-svn: 149545
 2012-02-01 21:49:28 +00:00
Marshall Clow 62e0f4abf6 Added tests for catching const/non-const nullptr 
llvm-svn: 149542
 2012-02-01 21:37:24 +00:00
Howard Hinnant 60eaa49036 Add test for pointer qualification conversion. 
llvm-svn: 149541
 2012-02-01 21:25:40 +00:00
Howard Hinnant 30025116de Changed a TODO to a 'maybe some time in the future'. 
llvm-svn: 149539
 2012-02-01 21:12:07 +00:00
Howard Hinnant 8030b7f751 Removed DEBUG statements. 
llvm-svn: 149538
 2012-02-01 21:08:30 +00:00
Howard Hinnant 089123e65f Remove a TODO regarding where some can_catch are implemented. I opted to make can_catch pure virtual in the top __shim_type_info, and have each sub-class implement its own. There are some repeated definitions, but they are trivial. 
llvm-svn: 149537
 2012-02-01 21:06:46 +00:00
Howard Hinnant c325fa7705 Add some tests to test catching nullptr with pointers and member pointers. Tests are only activated if #if __has_feature(cxx_nullptr). 
llvm-svn: 149536
 2012-02-01 21:01:52 +00:00
Howard Hinnant 2d6810fbd6 Quash a TODO related to catching pointer-to-member. These tests fail on my copy of gcc-4.2. But I believe the tests to be correct (and they pass for libc++abi). I've enquired on the C++ standards mailing list for a clarification in case I'm wrong. So far I've gotten one response that agrees with me. 
llvm-svn: 149534
 2012-02-01 20:53:21 +00:00
Howard Hinnant a21f8c2acf Quash TODO regarding catch by function type. Add tests to back it up. 
llvm-svn: 149530
 2012-02-01 19:42:45 +00:00
Howard Hinnant 26ffb64177 Quash TODO regarding catch by array type. Add tests to back it up. 
llvm-svn: 149527
 2012-02-01 19:21:28 +00:00
Howard Hinnant 69a10f466b Removing a TODO: can_catch is fundamentally different than search_above_dst. can_catch is looking for an unamiguous public base class of a specific type, but at any address. search_above_dst is looking for an unambiguous public base class of a specific type, *and* at a specific address. Additionally can_catch is run for all types. search_above_dst is only run on class types. So these are only superficially similar. Not similar enough for resuse, at least without making the code unreadable. 
llvm-svn: 149522
 2012-02-01 18:52:35 +00:00
Howard Hinnant d0bfbb336f Teach exception_cleanup_func about dependent exceptions. 
llvm-svn: 149520
 2012-02-01 18:44:21 +00:00
Howard Hinnant 8aa78517ab Treat all exceptions except that the ones that this library throws as foreign. Even other C++ exceptions. 
llvm-svn: 149518
 2012-02-01 18:15:15 +00:00
Howard Hinnant 62efe0b062 Nothing but polishing comments. 
llvm-svn: 149515
 2012-02-01 16:56:40 +00:00
Howard Hinnant 4ca103d14c Move an error detector to a better place. 
llvm-svn: 149513
 2012-02-01 16:16:11 +00:00
Howard Hinnant 3b22c6c395 Here's a test for catching pointers. 
llvm-svn: 149459
 2012-02-01 00:22:38 +00:00
Howard Hinnant 372e2f4bd4 More test cases concentrating on catching class types. 
llvm-svn: 149453
 2012-01-31 23:52:20 +00:00
Howard Hinnant eedecf51bb Some unwinding test cases 
llvm-svn: 149436
 2012-01-31 21:58:58 +00:00
Howard Hinnant 310fcc749d Back the optimization down from -O3 to -Os. I'm getting an unexplained crasher on -O3. I've looked for a libc++abi bug and can't find one. I'm suspecting clang optimizer bug. But I don't have a good test case at the moment. Deferring investigation on this for now as I will soon be developing more and smaller tests. 
llvm-svn: 149414
 2012-01-31 20:22:59 +00:00
Howard Hinnant 3d97931a86 Drop the stress a notch on dynamic_cast_stress.cpp. Otherwise it occasionally causes clang to crash. Put a noexcept(false) on a throwing destructor in test_vector1.cpp. The test now passes for both C++03 and C++11 modes. Add testit script. All tests are now PASSING :-) 
llvm-svn: 149413
 2012-01-31 20:10:33 +00:00
Howard Hinnant f8d292eb08 Correct test bug. 
llvm-svn: 149412
 2012-01-31 20:01:06 +00:00
Howard Hinnant fe2052d635 Have the default unexpected/terminate handler output *demangled* names for the type of exception instead of the mangled name. 
llvm-svn: 149409
 2012-01-31 19:48:06 +00:00
Howard Hinnant 43f5fecdb5 Fix type-o in the comment of the last commit 
llvm-svn: 149403
 2012-01-31 19:05:08 +00:00
Howard Hinnant 6351792447 Found and fixed a bug in __cxa_call_unexpected. If the unexpected_handler rethrows the same exception then needed information gets overwritten in the original exception header. Therefore save it locally before executing the unexpected_handler. 
llvm-svn: 149400
 2012-01-31 18:57:20 +00:00
Howard Hinnant d96cac1282 Found and fixed bug in personality function: Don't dive into the action table if the action entry is zero. 
llvm-svn: 149389
 2012-01-31 17:15:14 +00:00
Howard Hinnant d6d4c25ef0 Minor bug fix in __cxa_call_unexpected. Changed std::terminate to detect a caught-but-unhandled exception, and choose the handler out of that if found. 
llvm-svn: 149329
 2012-01-31 01:51:15 +00:00
Howard Hinnant c9204f6bed Refactored personality function. Found one bug in scanning exception spec lists. 
llvm-svn: 149272
 2012-01-30 20:16:21 +00:00
Howard Hinnant 2c50972c32 Removed debugging print statements 
llvm-svn: 149271
 2012-01-30 20:13:37 +00:00
Howard Hinnant 47cb854818 Add a descriptive name for a constant. Also I'm at least temporarily waging war on throw specs, both old and new style. Except where we have already publicly exposed the throw spec, I'm getting rid of them. They may come back later. But they seem somewhat prone to cyclic dependencies here. The throw spec implies compiler generated code that this library has to jump to during stack unwinding. I'd like to minimize the possiblity that the code used to properly make that jump is itself creating such jumps. 
llvm-svn: 149251
 2012-01-30 16:07:00 +00:00
Howard Hinnant 3f0d2384aa Add -fstrict-aliasing -Wstrict-aliasing and change optimization from -Os to -O3 
llvm-svn: 149250
 2012-01-30 16:03:23 +00:00
Howard Hinnant 5bbc597f1e Put throw() clauses back on these functions in cxxabi.h. This header must be C++03 compatible and these throw specs are consistent with the current cxxabi.h that Apple ships. 
llvm-svn: 149249
 2012-01-30 16:02:11 +00:00
Howard Hinnant 9aa4684fbb Minor updates to a couple of comments. 
llvm-svn: 149158
 2012-01-28 00:34:46 +00:00
Howard Hinnant ece71ead6d Add a little paranoia for testing purposes. 
llvm-svn: 149157
 2012-01-28 00:32:31 +00:00
Howard Hinnant 805036cc83 Minor header fixups for test. 
llvm-svn: 149156
 2012-01-28 00:30:38 +00:00
Howard Hinnant 44e3703639 Silence a warning. 
llvm-svn: 149155
 2012-01-28 00:29:27 +00:00
Howard Hinnant ad048719a7 Sometimes it takes all day to write a decent comment. This is one of those times, and I'm still not quite sure I have them correct. 
llvm-svn: 149154
 2012-01-28 00:28:31 +00:00
Howard Hinnant 113cf60e0b These commits are intended to be temporary in nature and are to facilitate the testing of libc++abi.dylib at this point in time. 
llvm-svn: 148967
 2012-01-25 19:27:42 +00:00
Howard Hinnant db97064263 Add comment documenting extension behavior of __cxa_get_globals_fast(). 
llvm-svn: 148966
 2012-01-25 19:19:13 +00:00
Howard Hinnant 5d6b9d28f7 cxa_guard.cpp didn't quite make it on the last commit: Restricted headers to cxa_guard.cpp and abort_messsage.h, and added a comment regarding reentrancy brought up by John McCall. Thanks John. 
llvm-svn: 148965
 2012-01-25 19:02:40 +00:00
Howard Hinnant 2449538500 Restricted headers to cxa_guard.cpp and abort_messsage.h, and added a comment regarding reentrancy brought up by John McCall. Thanks John. 
llvm-svn: 148963
 2012-01-25 18:50:55 +00:00
Howard Hinnant abc770690a By changing all of the throw() specs to noexcept I've been able to compile and link all of the source files into a dylib. Prior to this substitution the changed functions were calling __cxa_call_unexpected which isn't implemented yet. However in none of these cases do we actaully want __cxa_call_unexpected to be called. Primative buildit script added. 
llvm-svn: 148880
 2012-01-24 23:42:30 +00:00
Howard Hinnant 7fdfd5d269 Add some needed symbols in exception.cpp and eliminate dependence upon uncaught_exception() from cxa_vector.cpp. libc++abi is very nearly a self-contained (though not complete) library now. 
llvm-svn: 148866
 2012-01-24 21:48:10 +00:00
Howard Hinnant 73ab1864ef Marshall Clow reminded me that fallback_malloc.cpp was broken out for testing purposes. We've agreed to simply rename fallback_malloc.cpp to fallback_malloc.ipp. Thanks Marshall. 
llvm-svn: 148863
 2012-01-24 21:41:27 +00:00