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* Increase alt signal stack to 32K on host.Christopher Ferris2015-06-241-3/+3
| | | | | | | | | | | | | | On host, when there is a crash, the code tries to do an unwind from the signal handler. Under some conditions this can require a stack larger than 16K, so increase this value to 32K. The symptom of this is that you get an empty backtrace running art tests when there is a crash. Bug: 21949571 (cherry picked from commit e34c71ce21dbc9fac3427df887e90e1311b6fa8e) Change-Id: Ib1105a3470064d98843bd46f32d4fadb1d20e416
* ART: Clean up arm64 kNumberOfXRegisters usage.Vladimir Marko2015-05-261-2/+3
| | | | | | | | | | | | | | | | | | | | | Avoid undefined behavior for arm64 stemming from 1u << 32 in loops with upper bound kNumberOfXRegisters. Create iterators for enumerating bits in an integer either from high to low or from low to high and use them for <arch>Context::FillCalleeSaves() on all architectures. Refactor runtime/utils.{h,cc} by moving all bit-fiddling functions to runtime/base/bit_utils.{h,cc} (together with the new bit iterators) and all time-related functions to runtime/base/time_utils.{h,cc}. Improve test coverage and fix some corner cases for the bit-fiddling functions. Bug: 13925192 (cherry picked from commit 80afd02024d20e60b197d3adfbb43cc303cf29e0) Change-Id: I905257a21de90b5860ebe1e39563758f721eab82
* Replace NULL with nullptrMathieu Chartier2015-04-221-7/+7
| | | | | | | Also fixed some lines that were too long, and a few other minor details. Change-Id: I6efba5fb6e03eb5d0a300fddb2a75bf8e2f175cb
* Tidy up logging.Ian Rogers2014-10-221-0/+2
| | | | | | | | | | | | | | | | | Move gVerboseMethods to CompilerOptions. Now "--verbose-methods=" option to dex2oat rather than runtime argument "-verbose-methods:". Move ToStr and Dumpable out of logging.h, move LogMessageData into logging.cc except for a forward declaration. Remove ConstDumpable as Dump methods are all const (and make this so if not currently true). Make LogSeverity an enum and improve compile time assertions and type checking. Remove log_severity.h that's only used in logging.h. With system headers gone from logging.h, go add to .cc files missing system header includes. Also, make operator new in ValueObject private for compile time instantiation checking. Change-Id: I3228f614500ccc9b14b49c72b9821c8b0db3d641
* Ensure alternate signal stack is minimum size.Ian Rogers2014-08-131-2/+5
| | | | | | | On Mac a sigaltstack may need to be 32KB, setting it to 16KB causes sigaltstack to fail. Change-Id: I87f315ae2fb6be4db40a34b350ad5789ff76c113
* Add implicit checks for x86_64 architecture.Dave Allison2014-08-071-3/+10
| | | | | | | | | | | | | This combines the x86 and x86_64 fault handlers into one. It also merges in the change to the entrypoints for X86_64. Replaces generic instruction length calculator with one that only works with the specific instructions we use. Bug: 16256184 Change-Id: I1e8ab5ad43f46060de9597615b423c89a836035c Signed-off-by: Chao-ying Fu <chao-ying.fu@intel.com>
* Revert "Revert "Revert "Add implicit null and stack checks for x86"""Nicolas Geoffray2014-07-111-3/+3
| | | | | | | | Broke the build. This reverts commit 7fb36ded9cd5b1d254b63b3091f35c1e6471b90e. Change-Id: I9df0e7446ff0913a0e1276a558b2ccf6c8f4c949
* Revert "Revert "Add implicit null and stack checks for x86""Dave Allison2014-07-101-3/+3
| | | | | | | | | Fixes x86_64 cross compile issue. Removes command line options and property to set implicit checks - this is hard coded now. This reverts commit 3d14eb620716e92c21c4d2c2d11a95be53319791. Change-Id: I5404473b5aaf1a9c68b7181f5952cb174d93a90d
* Revert "Add implicit null and stack checks for x86"Dave Allison2014-07-101-3/+3
| | | | | | | | It breaks cross compilation with x86_64. This reverts commit 34e826ccc80dc1cf7c4c045de6b7f8360d504ccf. Change-Id: I34ba07821fc0a022fda33a7ae21850957bbec5e7
* Add implicit null and stack checks for x86Dave Allison2014-07-091-3/+3
| | | | | | | | | | | This adds compiler and runtime changes for x86 implicit checks. 32 bit only. Both host and target are supported. By default, on the host, the implicit checks are null pointer and stack overflow. Suspend is implemented but not switched on. Change-Id: I88a609e98d6bf32f283eaa4e6ec8bbf8dc1df78a
* Fix cpplint whitespace/comments issuesBrian Carlstrom2013-07-261-1/+1
| | | | Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
* Don't manually mess with sigaltstack on Android any more.Elliott Hughes2013-07-161-0/+37
| | | | | | | Bionic now takes care of things. Bug: 8557703 Change-Id: I0510a193f2433eaf54c9c6ac3415c85b50a7f1d2
* Create separate Android.mk for main build targetsBrian Carlstrom2013-07-121-0/+29
The runtime, compiler, dex2oat, and oatdump now are in seperate trees to prevent dependency creep. They can now be individually built without rebuilding the rest of the art projects. dalvikvm and jdwpspy were already this way. Builds in the art directory should behave as before, building everything including tests. Change-Id: Ic6b1151e5ed0f823c3dd301afd2b13eb2d8feb81
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