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* Merge System into Support.Michael J. Spencer2010-11-291-151/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
* Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth2009-10-261-1/+1
| | | | | | | direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-committing r76828 with the JIT memory manager changes now that the buildReid Kleckner2009-07-231-3/+4
| | | | | | | bots like the BumpPtrAllocator changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76902 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r76825 and r76828, since they caused clang runtime errors and some ↵Reid Kleckner2009-07-231-4/+3
| | | | | | build failure involving memset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76838 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the JIT code emitter properly retry and ask for more memory when it runsReid Kleckner2009-07-231-3/+4
| | | | | | | | | | | | | | out of memory, and also make the default memory manager allocate more memory when it runs out. Also, switch function stubs and global data over to using the BumpPtrAllocator. This makes it so the JIT no longer mmaps (or the equivalent on Windows) 16 MB of memory, and instead allocates in 512K slabs. I suspect this size could go lower, especially on embedded platforms, now that more slabs can be allocated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76828 91177308-0d34-0410-b5e6-96231b3b80d8
* Make Unix.h:MakeErrMsg separate the prefix and errno string, so we get:Daniel Dunbar2009-04-201-2/+2
| | | | | | | | | | | | | | | | | | clang: error: unable to make temporary file: /etc/cc: can't make unique filename: Permission denied instead of clang: error: unable to make temporary file: /etc/cc: can't make unique filenamePermission denied for example. Also, audited the uses of MakeErrMsg to make the prefix strings consistent (not end with newline/punctuation/space/": "). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69626 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the stub and callback code to handle lazy compilation. The stubJim Grosbach2008-10-201-0/+21
| | | | | | | | | | | | is re-written by the callback to branch directly to the compiled code in future invocations. Added back in range-based memory permission functions for the updating of the stub on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57846 91177308-0d34-0410-b5e6-96231b3b80d8
* On Darwin ARM, memory needs special handling to do JIT. This patch expandsJim Grosbach2008-10-031-1/+25
| | | | | | | | this handling to work properly for modifying stub functions, relocations back to entry points after JIT compilation, etc.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57013 91177308-0d34-0410-b5e6-96231b3b80d8
* Preliminary support for systems which require changing JIT memory regions ↵Evan Cheng2008-09-181-0/+29
| | | | | | privilege from read / write to read / executable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56303 91177308-0d34-0410-b5e6-96231b3b80d8
* AllocateRWXMemory -> AllocateRWX.Evan Cheng2008-09-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56244 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix more -Wshorten-64-to-32 warnings.Evan Cheng2008-05-051-1/+1
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* Revert r48676. I had plans for using it, but now it's just dead code.Owen Anderson2008-03-241-47/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48743 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment, and fix a bug where AllocateRW recurred to AllocateRWX ↵Owen Anderson2008-03-221-1/+1
| | | | | | instead of itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48677 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an AllocateRW to match AllocateRWX.Owen Anderson2008-03-221-0/+47
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48676 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR797:Reid Spencer2006-08-231-3/+3
| | | | | | | | Final removal of exceptions from lib/System and adjustment of users to accommodate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29846 91177308-0d34-0410-b5e6-96231b3b80d8
* Change AllocateRWX/DeallocateRWX to not throw an exception.Chris Lattner2006-07-071-14/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29058 91177308-0d34-0410-b5e6-96231b3b80d8
* support near allocations for the JITAndrew Lenharth2005-07-291-3/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22554 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove vim settings from source code; people should use llvm/utils/vim/vimrcMisha Brukman2005-05-051-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21704 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR351:Reid Spencer2004-12-271-0/+50
| | | | | | | | * Ensure #includes are wrapped with appropriate HAVE_ guards * Consolidate implementation from operating system specific directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19157 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide a generic Unix implementation of the Memory concept.Reid Spencer2004-09-111-0/+20
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16291 91177308-0d34-0410-b5e6-96231b3b80d8
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