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374 Commits

Author SHA1 Message Date
Evan Cheng
b3026de547 Fix misplaced right parentheses. 
llvm-svn: 61699
 2009-01-05 17:17:04 +00:00
Dan Gohman
6d6dd15fc3 Handle weak_extern in the JIT. This fixes 
SingleSource/UnitTests/2007-04-25-weak.c in JIT mode. The test
now passes on systems which are able to produce a correct
reference output to compare with.

llvm-svn: 61674
 2009-01-05 05:32:42 +00:00
Evan Cheng
caa31a82fc Fix MachineCodeEmitter to use uintptr_t instead of intptr_t. This avoids some overflow issues. Patch by Thomas Jablin. 
llvm-svn: 60828
 2008-12-10 02:32:19 +00:00
Evan Cheng
1264f4bc9c Fix a bug introduced by r59265. If lazy compilation is disabled, return actual function ptr instead of ptr to stub if function is already compiled. 
llvm-svn: 60822
 2008-12-10 01:33:59 +00:00
Evan Cheng
3130873f30 DisableGVCompilation should not abort on internal GlobalValue's. 
llvm-svn: 60750
 2008-12-09 07:31:49 +00:00
Chris Lattner
5c70ae0588 Make JIT::runFunction handle functions with non-C calling conventions. 
llvm-svn: 59904
 2008-11-23 08:00:11 +00:00
Nicolas Geoffray
3cd13e7e65 Implement support for JIT exceptions on X86_64. Relative offsets are 
encoded on 32 bytes, and the personality function is not encoded as
relative.

llvm-svn: 59516
 2008-11-18 10:44:46 +00:00
Evan Cheng
f8ba919d76 Always emit a function pointer as a pointer to the function stub (if there is one). This makes it possible to compare function pointer values in lazy compilation mode. This fixes PR3043. 
llvm-svn: 59265
 2008-11-13 21:50:50 +00:00
Evan Cheng
b6c760349e Change binary dump format. 
llvm-svn: 59119
 2008-11-12 08:22:43 +00:00
Evan Cheng
b9dbae83d7 Comments and indentation. 
llvm-svn: 59007
 2008-11-10 23:26:16 +00:00
Evan Cheng
e2bed5dc3b Forgot these. 
llvm-svn: 58952
 2008-11-10 01:52:24 +00:00
Evan Cheng
7f1eececb4 Remove a InvalidateInstructionCache call with incorrect size. 
llvm-svn: 58898
 2008-11-08 08:15:39 +00:00
Evan Cheng
3d9c134136 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
fe6df6ae18 Rename isString -> isExternalSymbol; getString -> getExternalSymbol since these work on externsym machine relocations. 
llvm-svn: 58895
 2008-11-08 07:37:34 +00:00
Evan Cheng
8dfc67205a More debug output. 
llvm-svn: 58894
 2008-11-08 07:22:53 +00:00
Evan Cheng
237175e1ab More debug output. 
llvm-svn: 58868
 2008-11-07 22:30:29 +00:00
Evan Cheng
6e23b1e651 Jump tables may be emitted by target. 
llvm-svn: 58835
 2008-11-07 09:02:17 +00:00
Evan Cheng
1ea366a419 Improve JIT debugging outputs format consistency. 
llvm-svn: 58807
 2008-11-06 17:46:04 +00:00
Evan Cheng
3e727721d0 Need a \n. 
llvm-svn: 58788
 2008-11-06 01:18:29 +00:00
Evan Cheng
7390b46342 Undo 58778 but makes the binary dump prettier. 
llvm-svn: 58782
 2008-11-05 23:44:08 +00:00
Evan Cheng
575f3150cf Remove debug output that's not really useful. 
llvm-svn: 58778
 2008-11-05 23:21:11 +00:00
Evan Cheng
2702e22b83 Rename isGVLazyPtr to isGVNonLazyPtr relocation. This represents Mac OS X 
indirect gv reference. Please don't call it lazy.

llvm-svn: 58746
 2008-11-05 01:50:32 +00:00
Evan Cheng
28e234a959 For some targets, it's not possible to place GVs in the same memory buffer as the MachineCodeEmitter allocated memory. Code and data has different read / write / execution privilege requirements. 
This is a short term workaround. The current solution is for the JIT memory manager to manage code and data memory separately.

llvm-svn: 58688
 2008-11-04 09:30:48 +00:00
Evan Cheng
45516a94c1 Silence a compiler warning. 
llvm-svn: 58598
 2008-11-03 07:14:02 +00:00
Jim Grosbach
31e64cbf49 Revert errant deletion. The target needs to be able to specify that it doesn't want the generic constant pool to be emitted. 
llvm-svn: 58475
 2008-10-30 23:44:39 +00:00
Evan Cheng
479adf22ee Let target resolve some relocation results. 
llvm-svn: 58407
 2008-10-29 23:54:46 +00:00
Jim Grosbach
d735f403a0 Support for constant islands in the ARM JIT. 
Since the ARM constant pool handling supercedes the standard LLVM constant
pool entirely, the JIT emitter does not allocate space for the constants,
nor initialize the memory. The constant pool is considered part of the 
instruction stream.

Likewise, when resolving relocations into the constant pool, a hook into
the target back end is used to resolve from the constant ID# to the
address where the constant is stored.

For now, the support in the ARM emitter is limited to 32-bit integer. Future
patches will expand this to the full range of constants necessary.

llvm-svn: 58338
 2008-10-28 18:25:49 +00:00
Nicolas Geoffray
ce30b5caf0 Support for allocation of TLS variables in the JIT. Allocation of a global 
variable is moved to the execution engine. The JIT calls the TargetJITInfo
to allocate thread local storage. Currently, only linux/x86 knows how to
allocate thread local global variables.

llvm-svn: 58142
 2008-10-25 15:41:43 +00:00
Nuno Lopes
112ac04abd fix a tricky bug in the JIT global variable emitter, that was triggered when JITing a variable independently of a function. This lead to sharing memory memory between functions and GVs thus changing the value of a GV could change the code in execution. more details on the ML. 
llvm-svn: 57900
 2008-10-21 11:42:16 +00:00
Mon P Wang
dc1aa21e4e Revert r57340 move guard mutex in getPointerToFunction as this can cause 
deadlock issues with java

llvm-svn: 57356
 2008-10-10 18:07:10 +00:00
Mon P Wang
6c79c8e822 Moved guard mutex upwards to guard materializing a function 
in getPointerToFunction

llvm-svn: 57340
 2008-10-10 01:47:42 +00:00
Duncan Sands
8f296a3788 Add <cstdio> include where needed by gcc-4.4. 
Patch by Samuel Tardieu.

llvm-svn: 57291
 2008-10-08 07:23:46 +00:00
Daniel Dunbar
40fb36a42c Unbreak build. 
llvm-svn: 57017
 2008-10-03 17:11:57 +00:00
Jim Grosbach
a49386d8e7 On Darwin ARM, memory needs special handling to do JIT. This patch expands 
this handling to work properly for modifying stub functions, relocations
back to entry points after JIT compilation, etc..

llvm-svn: 57013
 2008-10-03 16:17:20 +00:00
Dan Gohman
30c5ce1b7d Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.

llvm-svn: 57006
 2008-10-03 15:45:36 +00:00
Nicolas Geoffray
c3efec61f5 Acquire the lock only when necessary. More precisely, do not acquire 
the lock when calling a method which may materialize the llvm::Function.

llvm-svn: 56995
 2008-10-03 07:27:08 +00:00
Evan Cheng
0ed8f5b185 Add DisableGVCompilation which forces the JIT to assert when it tries to allocate space for a GlobalVariable. 
llvm-svn: 56557
 2008-09-24 16:25:55 +00:00
Oscar Fuentes
0f25988689 Initial support for the CMake build system. 
llvm-svn: 56419
 2008-09-22 01:08:49 +00:00
Evan Cheng
a0459a1c5a Preliminary support for systems which require changing JIT memory regions privilege from read / write to read / executable. 
llvm-svn: 56303
 2008-09-18 07:54:21 +00:00
Anton Korobeynikov
6ad8b060d0 Make safer variant of alias resolution routine to be default 
llvm-svn: 56005
 2008-09-09 20:05:04 +00:00
Evan Cheng
15fd1af657 MMI may be null. 
llvm-svn: 55626
 2008-09-02 08:14:01 +00:00
Nicolas Geoffray
05014c43fa Add support for JIT exceptions on Darwin. Since we're dealing with libgcc, 
whose darwin code was written after the ability to dynamically register frames,
we need to do special hacks to make things work.

llvm-svn: 55507
 2008-08-28 22:34:49 +00:00
Evan Cheng
4fa90a1d3e Get rid of a couple of dynamic_cast. 
llvm-svn: 55022
 2008-08-20 00:28:12 +00:00
Nicolas Geoffray
2f08e00f01 Update the JIT exception writer to better mimic the codegen exception writer. 
Also skip indirect encoding for platforms that ask for one: we direclty
write an address, not a pointer to the address.

llvm-svn: 54987
 2008-08-19 14:48:14 +00:00
Nicolas Geoffray
c5c2108727 Register the frame register function when allocating the JIT, 
so that lli works out of the box with -enable-eh.

llvm-svn: 54920
 2008-08-18 14:53:56 +00:00
Anton Korobeynikov
436f708112 Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. This makes JIT asmprinter-free. 
llvm-svn: 54843
 2008-08-16 12:57:46 +00:00
Dale Johannesen
718fcee02d Some fixes for x86-64 JIT. Make it use small code 
model, except for external calls; this makes
addressing modes PC-relative.  Incomplete.

The assertion at the top of Emitter::runOnMachineFunction
was obviously bogus (always true) so I removed it.
If someone knows what the correct test should be to cover
all the various targets, please fix.

llvm-svn: 54656
 2008-08-11 23:46:25 +00:00
Evan Cheng
054bbb0dd8 Add new parameter Fast to createJIT to enable the fast codegen path. 
llvm-svn: 54523
 2008-08-08 08:11:34 +00:00
Dale Johannesen
a4de0fa539 Rewrite JIT handling of GlobalVariables so they 
are allocated in the same buffer as the code,
jump tables, etc.

The default JIT memory manager does not handle buffer
overflow well.  I didn't introduce this and I'm not
attempting to fix it here, but it is more likely to
be hit now since we're putting more stuff in the
buffer.  This affects one test that I know of so far,
MultiSource/Benchmarks/NPB-serial/is.

llvm-svn: 54442
 2008-08-07 01:30:15 +00:00
Dan Gohman
1238bf634b Trim #includes. 
llvm-svn: 54350
 2008-08-05 15:32:23 +00:00