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41 Commits

Author SHA1 Message Date
Jeffrey Yasskin e0d8e14e11 Change indirect-globals to use a dedicated allocIndirectGV. This lets us 
remove start/finishGVStub and the BufferState helper class from the
MachineCodeEmitter interface.  It has the side-effect of not setting the
indirect global writable and then executable on ARM, but that shouldn't be
necessary.

llvm-svn: 91464
 2009-12-15 22:42:46 +00:00
Jeffrey Yasskin f2ad571443 * Move stub allocation inside the JITEmitter, instead of exposing a 
way for each TargetJITInfo subclass to allocate its own stubs. This
means stubs aren't as exactly-sized anymore, but it lets us get rid of
TargetJITInfo::emitFunctionStubAtAddr(), which lets ARM and PPC
support the eager JIT, fixing http://llvm.org/PR4816.

* Rename the JITEmitter's stub creation functions to describe the kind
of stub they create. So far, all of them create lazy-compilation
stubs, but they sometimes get used when far-call stubs are needed.
Fixing http://llvm.org/PR5201 will involve fixing this.

llvm-svn: 89715
 2009-11-23 23:35:19 +00:00
Jeffrey Yasskin 19b48370fb Allow more than one stub to be being generated at the same time. 
It's probably better in the long run to replace the
indirect-GlobalVariable system. That'll be done after a subsequent
patch.

llvm-svn: 89708
 2009-11-23 22:49:00 +00:00
Eric Christopher a6380af658 Update comment to reflect instruction. 
llvm-svn: 89414
 2009-11-20 00:21:55 +00:00
Evan Cheng f6b2404a84 Proper support of non-lazy indirect symbols. 
llvm-svn: 81422
 2009-09-10 01:23:53 +00:00
Evan Cheng 4029b85567 Make sure to make stub region writable before emission, executable after emission. 
llvm-svn: 81311
 2009-09-09 01:56:29 +00:00
Chris Lattner 30ebdc4311 remove the last uses of Config/alloca.h 
llvm-svn: 79873
 2009-08-23 22:57:38 +00:00
Benjamin Kramer 940fbb0e3c Remove Streams.h from the targets. 
llvm-svn: 79853
 2009-08-23 11:52:17 +00:00
Dan Gohman 1432ef864e This void is implicit in C++. 
llvm-svn: 78848
 2009-08-12 22:10:57 +00:00
Jim Grosbach f24f9d9cb6 Whitespace cleanup. Remove trailing whitespace. 
llvm-svn: 78666
 2009-08-11 15:33:49 +00:00
Daniel Dunbar 0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Torok Edwin fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Torok Edwin 69208f0f9e Remove extra \n from LLVM_UNREACHABLE calls. 
llvm-svn: 75416
 2009-07-12 07:15:17 +00:00
Torok Edwin fb8d6d5b58 Implement changes from Chris's feedback. 
Finish converting lib/Target.

llvm-svn: 75043
 2009-07-08 20:53:28 +00:00
Torok Edwin 6dd2730024 Start converting to new error handling API. 
cerr+abort -> llvm_report_error
assert(0)+abort -> LLVM_UNREACHABLE (assert(0)+llvm_unreachable-> abort() included)

llvm-svn: 75018
 2009-07-08 18:01:40 +00:00
Bruno Cardoso Lopes a194c3a69e First patch in the direction of splitting MachineCodeEmitter in two subclasses: 
JITCodeEmitter and ObjectCodeEmitter. No functional changes yet. Patch by Aaron Gray

llvm-svn: 72631
 2009-05-30 20:51:52 +00:00
Evan Cheng d243c0e3d9 ARMCompilationCallback should not save / restore vfp registers if vfp is not available. 
llvm-svn: 62299
 2009-01-16 02:16:37 +00:00
Evan Cheng ea68423998 Lazy compilation callback save / restore VFP registers. 
llvm-svn: 59274
 2008-11-13 23:28:54 +00:00
Evan Cheng 287a25d636 Remove the incorrect assertion. We don't have enough information before relocation to set U bit. 
llvm-svn: 59170
 2008-11-12 21:37:59 +00:00
Evan Cheng bfcee5b863 VFP fld / fst immediate field is multiplied by 4. 
llvm-svn: 59100
 2008-11-12 01:02:24 +00:00
Evan Cheng 02771dc473 Correct PIC function stub codegen. 
llvm-svn: 59006
 2008-11-10 23:14:47 +00:00
Evan Cheng 9f3058f3be Rename isGVNonLazyPtr to isIndirectSym to reflect how it will be used. 
llvm-svn: 58949
 2008-11-10 01:08:07 +00:00
Evan Cheng 436bdcdcca Moved InvalidateInstructionCache to ARMJITInfo::emitFunctionStub which knows size of stub. 
llvm-svn: 58899
 2008-11-08 08:16:49 +00:00
Evan Cheng b31a717527 Rename startFunctionStub to startGVStub since it's also used for GV non-lazy ptr. 
llvm-svn: 58897
 2008-11-08 08:02:53 +00:00
Evan Cheng ffdd91e3b8 Handle ARM machine constantpool entry with non-lazy ptr. 
llvm-svn: 58882
 2008-11-08 01:31:27 +00:00
Evan Cheng ef4d78ba67 More code clean up. 
llvm-svn: 58872
 2008-11-07 22:57:53 +00:00
Evan Cheng 8467e2459a Get PIC jump table working. 
llvm-svn: 58869
 2008-11-07 22:30:53 +00:00
Evan Cheng 7095cd2af2 Jump table JIT support. Work in progress. 
llvm-svn: 58836
 2008-11-07 09:06:08 +00:00
Evan Cheng 2299c99d79 Stylistic change. 
llvm-svn: 58683
 2008-11-04 06:10:06 +00:00
Evan Cheng 6dd08b6604 Handle ARM machine constantpool entries. 
llvm-svn: 58671
 2008-11-04 00:50:32 +00:00
Evan Cheng 19d64ba8bf Correct way to handle CONSTPOOL_ENTRY instructions. 
llvm-svn: 58409
 2008-10-29 23:55:43 +00:00
Jim Grosbach 1ecf1fd5c8 remove extraneous #ifdef's 
llvm-svn: 58006
 2008-10-22 22:27:51 +00:00
Jim Grosbach cfebc18d7c use pre-UAL mnemonics for push/pop for compilaton callback function 
llvm-svn: 57911
 2008-10-21 16:54:12 +00:00
Jim Grosbach 9396051e3d Update the stub and callback code to handle lazy compilation. The stub 
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.

llvm-svn: 57846
 2008-10-20 21:39:23 +00:00
Evan Cheng df8cdc3717 Add Mac OS X compatible JIT callback routine. 
llvm-svn: 55625
 2008-09-02 07:49:03 +00:00
Nicolas Geoffray a7557dfe71 Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.

llvm-svn: 49814
 2008-04-16 20:46:05 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Raul Herbster ae1b924c79 JITInfo now resolves function addrs and also relocations. It always emits a stub. 
llvm-svn: 41625
 2007-08-30 23:21:27 +00:00
Evan Cheng f7c6effc44 Initial JIT support for ARM by Raul Fernandes Herbster. 
llvm-svn: 40887
 2007-08-07 01:37:15 +00:00
Chris Lattner 396156e00b no email addrs in file headers 
llvm-svn: 39962
 2007-07-17 05:56:43 +00:00
Evan Cheng 9546a5c7de Initial ARM JIT support by Raul Fernandes Herbster. 
llvm-svn: 37926
 2007-07-05 21:15:40 +00:00