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224 Commits

Author SHA1 Message Date
Reid Spencer
5301e7c605 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Anton Korobeynikov
a41d9eca96 Moved disassembler to libSystem 
llvm-svn: 33461
 2007-01-23 10:26:08 +00:00
Chris Lattner
7476fa4456 DOUT still evaluates side effects, even though it doesn't print. This means 
that disassembleBuffer will be called even if NDEBUG, but the result will
be ignored.

llvm-svn: 33408
 2007-01-20 20:51:43 +00:00
Andrew Lenharth
e082e2ac7f fix build on amd64 
llvm-svn: 33367
 2007-01-19 20:17:59 +00:00
Anton Korobeynikov
3e956974b3 Adding disassembler interface and external hook to udis86 library. 
llvm-svn: 33358
 2007-01-19 17:25:17 +00:00
Chris Lattner
c346ecd780 remove static ctors from Statistic objects 
llvm-svn: 32700
 2006-12-19 22:43:32 +00:00
Jim Laskey
3958955f47 Simplify the fetching of relocation mode. 
llvm-svn: 32588
 2006-12-14 22:53:42 +00:00
Jim Laskey
70323a8146 1. Tidy up jump table info. 
2. Allow the jit to handle PIC relocable jump tables.

llvm-svn: 32581
 2006-12-14 19:17:33 +00:00
Bill Wendling
22e978a736 Removing even more <iostream> includes. 
llvm-svn: 32320
 2006-12-07 20:04:42 +00:00
Chris Lattner
700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Evan Cheng
e03ca9b0b4 Allow target to specify alignment for function stub. 
llvm-svn: 31788
 2006-11-16 20:04:54 +00:00
Chris Lattner
5fdbe55979 if lazy compilation is disabled, print an error message and abort if 
lazy compilation is ever attempted

llvm-svn: 31602
 2006-11-09 19:32:13 +00:00
Reid Spencer
de46e48420 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Chris Lattner
8d2b9a431b Unbreak the JIT 
llvm-svn: 30384
 2006-09-15 04:56:11 +00:00
Anton Korobeynikov
d61d39ec53 Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374
 2006-09-14 18:23:27 +00:00
Chris Lattner
cd34779ef6 Fix a ton of jit failures 
llvm-svn: 30292
 2006-09-13 16:21:10 +00:00
Evan Cheng
3228e750be Reflect MachineConstantPoolEntry changes. 
llvm-svn: 30277
 2006-09-12 20:59:59 +00:00
Nate Begeman
a0d95a8da9 Behold, more work on relocations. Things are looking pretty good now. 
llvm-svn: 30240
 2006-09-10 23:03:44 +00:00
Chris Lattner
0621caef44 initial changes to support JIT'ing from multiple module providers, implicitly 
linking the program on the fly.

llvm-svn: 29721
 2006-08-16 01:24:12 +00:00
Evan Cheng
78bf1074fc Resolve BB references with relocation. 
llvm-svn: 29351
 2006-07-27 18:21:10 +00:00
Jim Laskey
8307be446f Fixed a typo in Evan's submisson. 
llvm-svn: 29345
 2006-07-27 13:40:34 +00:00
Evan Cheng
93386e02fe Move synchronizeICache from TargetJITInfo into a static function in JITEmitter.cpp 
llvm-svn: 29334
 2006-07-27 06:33:55 +00:00
Evan Cheng
f6acb34d23 - Refactor the code that resolve basic block references to a TargetJITInfo 
method.
- Added synchronizeICache() to TargetJITInfo. It is called after each block
  of code is emitted to flush the icache. This ensures correct execution
  on targets that have separate dcache and icache.
- Added PPC / Mac OS X specific code to do icache flushing.

llvm-svn: 29276
 2006-07-25 20:40:54 +00:00
Chris Lattner
1fb6e0d79d Change AllocateRWX/DeallocateRWX do not throw an exception. 
llvm-svn: 29057
 2006-07-07 17:31:41 +00:00
Evan Cheng
6a34939af6 Added jump table address relocation. 
llvm-svn: 28908
 2006-06-23 01:02:37 +00:00
Chris Lattner
e796266d58 Only count instructions as code size, not constant pools and other per-function stuff. 
llvm-svn: 28827
 2006-06-16 18:09:26 +00:00
Chris Lattner
71819be586 Fix -pedantic warnings. 
llvm-svn: 28636
 2006-06-01 17:29:22 +00:00
Chris Lattner
aa10fb7ebe Make this print the right start pointer 
llvm-svn: 28321
 2006-05-16 06:45:50 +00:00
Chris Lattner
1fe2d2c600 Fix a hypothetical memory leak, identified by Coverity. In practice, this 
object is never deleted though.

llvm-svn: 28256
 2006-05-12 18:10:12 +00:00
Chris Lattner
22acb80971 For extra sanity checking, fill free'd memory with garbage so we know that 
people aren't reusing machine code buffers at all.

llvm-svn: 28228
 2006-05-12 00:03:12 +00:00
Chris Lattner
3c729b9e5d Fix some bugs in the freelist manipulation code. 
Finally, implement ExecutionEngine::freeMachineCodeForFunction.

llvm-svn: 28227
 2006-05-11 23:56:57 +00:00
Chris Lattner
873ef133ce Significantly revamp allocation of machine code to use free lists, real 
allocation policies and much more.  All this complexity, and we have no
functionality change, woo! :)

llvm-svn: 28225
 2006-05-11 23:08:08 +00:00
Chris Lattner
6d8dd189f6 Move some methods out of line so that MutexGuard.h isn't needed in a public header. 
llvm-svn: 28179
 2006-05-08 22:00:52 +00:00
Chris Lattner
005d7174c8 minor cleanups, no functionality change 
llvm-svn: 28087
 2006-05-03 18:55:56 +00:00
Chris Lattner
1d8ee1fc80 Suck block address tracking out of targets into the JIT Emitter. This 
simplifies the MachineCodeEmitter interface just a little bit and makes
BasicBlocks work like constant pools and jump tables.

llvm-svn: 28082
 2006-05-03 17:10:41 +00:00
Owen Anderson
20a631fde7 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Chris Lattner
37c39b9c62 Align function bodies correctly. 
llvm-svn: 28073
 2006-05-03 01:03:20 +00:00
Chris Lattner
77fe5b4459 Simplify some code. Don't add memory blocks to the Blocks list twice. 
llvm-svn: 28071
 2006-05-03 00:54:49 +00:00
Chris Lattner
d8b192ba3b Change the BasicBlockAddrs map to be a vector, indexed by MBB number. 
llvm-svn: 28069
 2006-05-03 00:32:55 +00:00
Chris Lattner
0574e47dca Simplify some code 
llvm-svn: 28066
 2006-05-03 00:13:06 +00:00
Chris Lattner
b8065a9a3a Several related changes: 
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.

llvm-svn: 28065
 2006-05-02 23:22:24 +00:00
Chris Lattner
23621fe8f4 Do not make the JIT memory manager manage the memory for globals. Instead 
just have the JIT malloc them.

llvm-svn: 28062
 2006-05-02 21:57:51 +00:00
Chris Lattner
25b95ed868 Minor cleanups, no functionality change. 
llvm-svn: 28061
 2006-05-02 21:44:14 +00:00
Chris Lattner
c9aa3715e8 Refactor the machine code emitter interface to pull the pointers for the current 
code emission location into the base class, instead of being in the derived classes.

This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments.  This implements feature request #1 of PR469.

llvm-svn: 28059
 2006-05-02 18:27:26 +00:00
Chris Lattner
67a3aa2aaa Remove dead method 
llvm-svn: 28055
 2006-05-02 17:20:28 +00:00
Nate Begeman
48ccd3f826 Fix a warning 
llvm-svn: 27967
 2006-04-25 17:46:32 +00:00
Nate Begeman
4ca2ea5b43 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Chris Lattner
729ffe95c4 simplify this code now that each constant pool entry is not separately allocated 
llvm-svn: 26079
 2006-02-09 04:49:59 +00:00
Chris Lattner
f6190821da Adjust to MachineConstantPool interface change: instead of keeping a 
value/alignment pair for each constant, keep a value/offset pair.

llvm-svn: 26078
 2006-02-09 04:46:04 +00:00
Chris Lattner
ba97264e72 rename fields of constant pool entries 
llvm-svn: 26076
 2006-02-09 04:22:52 +00:00
Evan Cheng
32be2dc0af Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
01a325ed68 Add #include of <iostream> 
llvm-svn: 25516
 2006-01-22 23:41:42 +00:00
Chris Lattner
2e8b93ac46 Wrap long lines. 
llvm-svn: 25140
 2006-01-07 06:20:51 +00:00
Andrew Lenharth
27f1e26db7 one cannot allocate a global, until one is done initializing the global pointers 
llvm-svn: 22568
 2005-08-01 17:35:40 +00:00
Jeff Cohen
546fd5944e Keep tabs and trailing spaces out. 
llvm-svn: 22565
 2005-07-30 18:33:25 +00:00
Andrew Lenharth
0940218cca support near allocations for the JIT 
llvm-svn: 22554
 2005-07-29 23:40:16 +00:00
Andrew Lenharth
3444cf5128 Like constants, globals on some platforms are GOT relative. This means they have to be allocated 
near the GOT, which new doesn't do.  So break out the allocate into a new function.

Also move GOT index handling into JITResolver.  This lets it update the mapping when a Lazy
function is JITed.  It doesn't managed the table, just the mapping.  Note that this is
still non-ideal, as any function that takes a function address should also take a GOT
index, but that is a lot of changes.  The relocation resolve process updates any GOT entry
it sees is out of date.

llvm-svn: 22537
 2005-07-28 12:44:13 +00:00
Jeff Cohen
5f4ef3c5a8 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Chris Lattner
54d27a49da fix a warning on 32-bit systems 
llvm-svn: 22513
 2005-07-25 23:42:58 +00:00
Andrew Lenharth
940b07c7fa the JIT memory manager will construct a GOT if you want it too. Also, it places the constants in the allocated memory, rather than a malloc area 
llvm-svn: 22497
 2005-07-22 20:48:12 +00:00
Chris Lattner
05732c86d4 count the number of relocations performed. 
llvm-svn: 22480
 2005-07-20 16:29:20 +00:00
Reid Spencer
79876f52aa For PR540: 
This patch completes the changes for making lli thread-safe. Here's the list
of changes:
* The Support/ThreadSupport* files were removed and replaced with the
  MutexGuard.h file since all ThreadSupport* declared was a Mutex Guard.
  The implementation of MutexGuard.h is now based on sys::Mutex which hides
  its implementation and makes it unnecessary to have the -NoSupport.h and
  -PThreads.h versions of ThreadSupport.

* All places in ExecutionEngine that previously referred to "Mutex" now
  refer to sys::Mutex

* All places in ExecutionEngine that previously referred to "MutexLocker"
  now refer to MutexGuard (this is frivolous but I believe the technically
  correct name for such a class is "Guard" not a "Locker").

These changes passed all of llvm-test. All we need now are some test cases
that actually use multiple threads.

llvm-svn: 22404
 2005-07-12 15:51:55 +00:00
Misha Brukman
5191b4b2d0 Convert tabs to spaces 
llvm-svn: 21440
 2005-04-22 04:08:30 +00:00
Misha Brukman
10468d8a3c Remove trailing whitespace 
llvm-svn: 21422
 2005-04-21 22:55:34 +00:00
Chris Lattner
ed5189da51 Add support for targets that require stubs for external functions. 
llvm-svn: 21313
 2005-04-18 01:44:27 +00:00
Chris Lattner
7b9020a059 Fix the missing symbols problem Bill was hitting. Patch contributed by 
Bill Wendling!!

llvm-svn: 20649
 2005-03-17 15:38:16 +00:00
Chris Lattner
ec3f094489 Fix problems running the HowToUseJIT on powerpc, and probably problems with 
ANY program that does not have all functions internalized.

llvm-svn: 20258
 2005-02-20 18:43:35 +00:00
Chris Lattner
5326f35715 Rework constant pool handling so that function constant pools are no longer 
leaked to the system.  Now they are destroyed with the JITMemoryManager is
destroyed.

llvm-svn: 19434
 2005-01-10 18:23:22 +00:00
Chris Lattner
fa66dc7852 Silence VS warnings. 
llvm-svn: 19390
 2005-01-08 20:07:03 +00:00
Reid Spencer
53bd3d0b1a Get rid of some leaks found by VC leak detector. 
Patch contributed by Morten Ofsted.

llvm-svn: 18889
 2004-12-13 16:04:04 +00:00
Chris Lattner
a34f9da4b4 Properly implement a fix for PR475 
llvm-svn: 18537
 2004-12-05 07:19:16 +00:00
Chris Lattner
9a43d294b9 Remove unneeded cast. 
llvm-svn: 18405
 2004-12-01 17:13:05 +00:00
Chris Lattner
56bac30683 Fix the JIT when being used from llvm-db 
llvm-svn: 18391
 2004-11-30 17:41:49 +00:00
Chris Lattner
c5753055ea Rename Emitter.cpp -> JITEmitter.cpp 
llvm-svn: 18132
 2004-11-22 22:00:25 +00:00