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288 Commits

Author SHA1 Message Date
Reid Kleckner
b500f07edf Make the JIT code emitter properly retry and ask for more memory when it runs 
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.

llvm-svn: 76828
 2009-07-23 00:49:59 +00:00
Mikhail Glushenkov
1c0854b913 Add a Program::GetPid() method. 
llvm-svn: 76341
 2009-07-18 21:43:40 +00:00
Mikhail Glushenkov
583e23d726 Remove duplication in Program::Execute{And,No}Wait. 
Implemented by moving the code out of static functions into methods of Program
class.

llvm-svn: 76340
 2009-07-18 21:43:12 +00:00
Mikhail Glushenkov
d44eba5166 Trailing whitespace. 
llvm-svn: 76229
 2009-07-17 20:38:17 +00:00
Dan Gohman
69766f9ade Add a raw_ostream operator<< to sys::Path. 
llvm-svn: 75790
 2009-07-15 16:33:33 +00:00
David Greene
87dbe0a3b5 Add an ExecuteNoWait interface to support asynchronous process spawning. 
llvm-svn: 75055
 2009-07-08 21:46:40 +00:00
Owen Anderson
75f0f1cc6c Have scoped mutexes take referenes instead of pointers. 
llvm-svn: 74931
 2009-07-07 18:33:04 +00:00
Chris Lattner
ccaba64332 Eliminate the static constructors and locks from DynamicLibrary.cpp. 
This fixes PR4512 and eliminating static ctors is always good.  Losing
thread safety is unfortunate, but the code is just incredibly poorly
designed.

If someone is interested, the "right" solution is to split
DynamicLibrary.cpp into two separate pieces: a stateless piece in
libsystem, and a simple support file in libsupport that has the
"state" (e.g.  AddSymbol) in managed static objects.

Doing this would both fix memory leaks we already have, as well as make
the code thread safe again.  it would also make sense to move all the
unix specific code in System/DynamicLibrary.cpp into 
System/Unix/DynamicLibrary.inc.

llvm-svn: 74927
 2009-07-07 18:17:07 +00:00
Chris Lattner
b11fca33f8 remove dead code, noone creates instances of "DynamicLibrary", so the ctor and dtor are dead. 
llvm-svn: 74926
 2009-07-07 18:01:58 +00:00
Jeffrey Yasskin
29ea777c1e Add a portable strerror*() wrapper, llvm::sys::StrError(). This includes the 
Windows variant, strerror_s, but I couldn't test that.

I'll update configure and config.h.in in a subsequent patch.

llvm-svn: 74621
 2009-07-01 18:11:20 +00:00
Owen Anderson
3a892a63b7 Add support for const thread locals. 
llvm-svn: 74226
 2009-06-25 23:31:18 +00:00
Owen Anderson
e716e57779 Add a class for supporting platform independent thread-local storage. 
Windows people, please double-check/patch this.

llvm-svn: 74209
 2009-06-25 21:58:01 +00:00
Owen Anderson
5bda03a404 Add atomic multiply and divide operations, built on top of CompareAndSwap. 
llvm-svn: 74004
 2009-06-23 21:19:04 +00:00
Owen Anderson
c11dfb46c1 Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets 
we care about are capable of supporting it.

llvm-svn: 73993
 2009-06-23 20:17:22 +00:00
Owen Anderson
c2d02066d0 Atomic ops that do arithmetic use signed arithmetic. 
llvm-svn: 73980
 2009-06-23 18:30:27 +00:00
Owen Anderson
1bea9b9158 Label the existing atomic functions as 32-bit specific, and add a 64-bit one that will be useful in 
the near future.

llvm-svn: 73971
 2009-06-23 18:01:04 +00:00
Owen Anderson
e0ff9fb130 Add an atomic add operation. 
llvm-svn: 73964
 2009-06-23 17:39:31 +00:00
Owen Anderson
b66d0add26 Add debugging code to test for various locking faux-pas's, when running in single threaded mode. This should help improve testing coverage for 
threading support, without having extensive actually concurrent clients yet.

llvm-svn: 73803
 2009-06-20 00:27:21 +00:00
Owen Anderson
c0ba371831 Fix a major typo. 
Nicolas, this is probably the cause of the failures you were seeing.

llvm-svn: 73770
 2009-06-19 17:08:20 +00:00
Owen Anderson
5fa89d2f8d Fix weird class-size-being-different problems. At some level this is being caused by config.h not being 
included everywhere.

llvm-svn: 73745
 2009-06-19 00:48:22 +00:00
Owen Anderson
b7742c5035 Add a SmartScopedLock, and use it to simplify code. 
llvm-svn: 73722
 2009-06-18 20:51:00 +00:00
Owen Anderson
a1d2310ac7 Simplify the SmartMutex implementation a bit. 
llvm-svn: 73711
 2009-06-18 18:29:03 +00:00
Owen Anderson
4760da0a7a Give RWMutex the SmartRWMutex treatment too. 
llvm-svn: 73710
 2009-06-18 18:26:15 +00:00
Owen Anderson
9aaa6b8958 Insert a SmartMutex templated class into the class hierarchy, which takes a template parameter specifying whether this mutex 
should become a no-op when not running in multithreaded mode.  Make sys::Mutex a typedef of SmartMutex<false>, to preserve source compatibility.

llvm-svn: 73709
 2009-06-18 17:53:17 +00:00
Owen Anderson
a59f91c08d Move Threading.[h|cpp] from Support to System. 
llvm-svn: 73707
 2009-06-18 16:54:52 +00:00
Owen Anderson
00e7ebbc38 Reapply r73647 in a non-broken form. 
llvm-svn: 73662
 2009-06-17 23:49:06 +00:00
Owen Anderson
0e2a78e820 Protect the GC table in Function.cpp 
llvm-svn: 73647
 2009-06-17 22:23:31 +00:00
Owen Anderson
f8776799ec Add an RAII ScopedWriter, which allows one to acquire a writer lock for the duration of a scope. Simplify a lot of uses of 
writer locks in Constants.cpp by using it.

llvm-svn: 73630
 2009-06-17 20:34:43 +00:00
Owen Anderson
3637fc65bd Use atomic increment/decrement for reference counting of Type's. 
llvm-svn: 73588
 2009-06-17 00:28:49 +00:00
Owen Anderson
430f18d2db Add an atomic increment and decrement implementation, which will be used for 
thread-safe reference counting.

llvm-svn: 73587
 2009-06-17 00:13:00 +00:00
Owen Anderson
c52c99f111 Fix #include guards. 
llvm-svn: 73548
 2009-06-16 20:26:04 +00:00
Owen Anderson
48d53f2c53 Add a portable wrapper for reader-writer locks. 
llvm-svn: 73545
 2009-06-16 20:19:28 +00:00
Chris Lattner
dfaaf63aff add a new static method to portably determine whether a patch is 
absolute or not, based on a patch by Gregory Curfman!

llvm-svn: 73368
 2009-06-15 04:17:07 +00:00
Torok Edwin
a10c3b9bc6 Fix comments. 
llvm-svn: 72858
 2009-06-04 08:18:25 +00:00
Torok Edwin
5da9f51d1e Add support for outputting ANSI colors to raw_fd_ostream. 
llvm-svn: 72854
 2009-06-04 07:09:50 +00:00
Bill Wendling
d50f27458f Untabify. 
llvm-svn: 72603
 2009-05-30 00:58:37 +00:00
Owen Anderson
81e8ddcfda Use DataTypes.h instead of stdint.h. 
llvm-svn: 72201
 2009-05-21 00:48:13 +00:00
Owen Anderson
2753821fab Move atomic operations' definitions out of line. While this seems kind of silly, 
all kinds of problems caused by including windows.h and/or config.h in an LLVM header.

llvm-svn: 72174
 2009-05-20 18:26:15 +00:00
Owen Anderson
438c3c3660 Compile fix for MSVC. 
llvm-svn: 72167
 2009-05-20 09:34:13 +00:00
Owen Anderson
d64df37f4c We need to include config.h here so that the #defines are set properly. 
llvm-svn: 72148
 2009-05-20 00:31:29 +00:00
Owen Anderson
e1474eebee Split the ENABLE_THREADS #define in two. Now ENABLE_THREADS indicates the ability to run multiple threads at once in the JIT, and requires only 
mutex support.  LLVM_MULTITHREADED indicates (or will indicate) the ability to run LLVM itself across multiple threads, and requires atomics support.

llvm-svn: 72140
 2009-05-19 22:18:56 +00:00
Owen Anderson
de192dfaee Make using an unsupported CAS size a hard error on Windows. 
llvm-svn: 72088
 2009-05-19 01:08:36 +00:00
Owen Anderson
421e290a35 Fix up the Windows portion of Atomic.h. This is untested, but it is my best understanding of what should work. 
I'd be much obliged if someone on MSVC++ could try this out and let me know if it works.

llvm-svn: 72087
 2009-05-19 01:07:40 +00:00
Owen Anderson
e4233e3349 Template CompareAndSwap function. 
llvm-svn: 72086
 2009-05-19 01:02:27 +00:00
Owen Anderson
4d289e72a2 Now that we have atomics support properly detected by configure, 
use it to implement Atomic.h.

This expunges the code previously imported from libatomic_ops.

llvm-svn: 72077
 2009-05-19 00:08:29 +00:00
Owen Anderson
a15fc9a761 Significantly improve Atomic.h by pulling in code from libatomic_ops by HP. This is a little outdated, but reasonably complete. 
llvm-svn: 71973
 2009-05-17 04:57:54 +00:00
Owen Anderson
61d036c993 Remove the volatile marker from the cas_flag typedef, fixing some warnings. 
It's now the client's resposibility to add it in when needed

llvm-svn: 71959
 2009-05-16 21:08:25 +00:00
Anton Korobeynikov
0df5f515ff Unbreak mingw build 
llvm-svn: 71856
 2009-05-15 11:04:52 +00:00
Owen Anderson
1f8d845588 Improve compatibility with older versions of Windows. 
llvm-svn: 71855
 2009-05-15 10:40:23 +00:00
Owen Anderson
86ba469f0a (Hopefully) unbreak Apple-style builds. 
llvm-svn: 71849
 2009-05-15 06:49:31 +00:00
Owen Anderson
278050e948 Don't #include OSAtomic.h unless we really need it. 
llvm-svn: 71837
 2009-05-15 05:13:57 +00:00
Owen Anderson
7ded7b9a62 Now with working on Leopard! 
llvm-svn: 71819
 2009-05-15 00:01:40 +00:00
Owen Anderson
a9f74b107a Dropped this #include by accident. 
llvm-svn: 71798
 2009-05-14 21:33:57 +00:00
Owen Anderson
88d12ab881 Add CompareAndSwap. 
llvm-svn: 71795
 2009-05-14 21:24:15 +00:00
Owen Anderson
c778e8bf21 Add an Atomic.h to the System library, for providing a platform independent API 
to low-level sync operations.

The only one present at the moment is MemoryFence(), and only for the platforms
for which I could easily discern the proper way to do it.  If your favorite platform
isn't represented, patches are welcome!

llvm-svn: 71770
 2009-05-14 05:54:36 +00:00
Douglas Gregor
26745696ef Add terminal width detection to llvm::sys::Process. This is needed to 
fix Clang PRs 4148 and 4183.

llvm-svn: 71448
 2009-05-11 18:05:52 +00:00
Daniel Dunbar
7682ffcabb Add sys::Path::makeAbsolute(). 
llvm-svn: 68663
 2009-04-09 00:33:08 +00:00
Daniel Dunbar
aec3d9857f Add llvm::sys::getHostTriple and remove 
llvm::sys::getOS{Name,Version}.

Right now the implementation just derives from LLVM_HOSTTRIPLE (which
is wrong, but it doesn't look like we have a define for the target
triple). Ideally this routine would actually be able to compute the
triple for targets we care about.

llvm-svn: 68118
 2009-03-31 17:30:15 +00:00
Chris Lattner
faf39c40d4 Add a new 'AddSignalHandler' function to Signals.h that allows 
arbitrary functions to be run when a crash happens.  Delete 
RemoveDirectoryOnSignal as it is dead and has never had clients.

Change PrintStackTraceOnErrorSignal to be implemented in terms of
AddSignalHandler.

I updated the Win32 versions of these APIs, but can't test them.
If there are any problems, I'd be happy to fix them as well.

llvm-svn: 66072
 2009-03-04 21:21:36 +00:00
Dan Gohman
51d4e8db6a Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.

llvm-svn: 65920
 2009-03-03 02:55:14 +00:00
Mikhail Glushenkov
ed5cc8a9cf 80-column violation. 
llvm-svn: 64102
 2009-02-08 22:48:07 +00:00
Mikhail Glushenkov
d9f64e601f Add a Sleep() function. 
llvm-svn: 64101
 2009-02-08 22:47:39 +00:00
Dan Gohman
9296e654cf Make Mutex's constructor explicit, and tidy up whitespace. 
llvm-svn: 63963
 2009-02-06 21:17:03 +00:00
Chris Lattner
da545d3918 rename methods in System/Host to be more consistent. 
llvm-svn: 62776
 2009-01-22 19:53:00 +00:00
Jim Grosbach
1de8b23129 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
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
Daniel Dunbar
1fab10702e Add llvm::sys::{osName,osVersion} for retrieving operating system name 
& version as strings.
 - Win32 code is untested.

llvm-svn: 56942
 2008-10-02 01:17:28 +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
Chris Lattner
0e03352a9f add a helper method to sys::Path for clang, patch by 
Kovarththanan Rajaratnam!

llvm-svn: 54655
 2008-08-11 23:39:47 +00:00
Chris Lattner
24c59453f6 Add a new InvalidateInstructionCache method to sys::Memory. 
llvm-svn: 52731
 2008-06-25 17:14:10 +00:00
Chris Lattner
7fdc625548 Add support for building on solaris, working around namespace 
polution problems from system headers.  Patch by Nathan Keynes!

llvm-svn: 52682
 2008-06-24 17:44:42 +00:00
Matthijs Kooijman
fedd2bd496 Add comment. 
llvm-svn: 52313
 2008-06-16 12:20:05 +00:00
Dan Gohman
3ea2dceca0 Prune and tidy #includes. 
llvm-svn: 51697
 2008-05-29 19:52:31 +00:00
Bill Wendling
7ec2aad450 Follow-up to the reverting of r51218. This puts the checks out-of-line. Because 
they aren't in the header file, systems with a <string> header file that isn't
64-bit clean shouldn't warn if #including Path.h and specifying
-Wshorten-64-to-32.

llvm-svn: 51393
 2008-05-21 21:20:07 +00:00
Bill Wendling
f4cc5ad69a Reverting r51218 because of breakage on PPC32. 
llvm-svn: 51358
 2008-05-20 23:54:27 +00:00
Chris Lattner
0c5b5c08e1 add missing #include. 
llvm-svn: 51227
 2008-05-18 14:24:58 +00:00
Bill Wendling
568cd9c076 On Darwin, the string header file isn't 64-bit clean. The use of 
"-Wshorten-64-to-32 -Werror" will cause a failure when compiling this complex
program:

#include <string>

class Path {
  mutable std::string path;
public:
  bool operator == (const Path &that) {
    return path == that.path;
  }
};

Using strcmp gets us past this annoying error.

llvm-svn: 51218
 2008-05-17 09:10:40 +00:00
Nick Lewycky
6bc321fbdf Make constructors target-specific. This fixes problems where the path would 
include backslashes on Windows. This should fix llvm-ld problems on win32.

llvm-svn: 50960
 2008-05-11 17:37:40 +00:00
Dan Gohman
a84b75df17 Remove uses of llvm/System/IncludeFile.h that are no longer needed. 
llvm-svn: 50695
 2008-05-06 01:32:53 +00:00
Evan Cheng
d9353009b7 Fix more -Wshorten-64-to-32 warnings. 
llvm-svn: 50659
 2008-05-05 18:30:58 +00:00
Bill Wendling
45432e8339 Add "empty()" method to sys::Path and remove unnecessary whitespace. 
Patch by Mikhail Glushenkov!

llvm-svn: 49803
 2008-04-16 18:27:02 +00:00
Ted Kremenek
be2279d470 Make getDirnameSep a static method (not part of Path's interface). 
llvm-svn: 49354
 2008-04-07 22:01:32 +00:00
Ted Kremenek
82b7e8d306 Added method Path::getDirname(). 
llvm-svn: 49352
 2008-04-07 21:53:57 +00:00
Chris Lattner
4614369b45 MappedFile is dead, remove it. 
llvm-svn: 49035
 2008-04-01 06:20:44 +00:00
Chris Lattner
2e3d2c6ec8 Stub out some sys::Path::MapInFilePages/UnMapFilePages methods. 
llvm-svn: 49030
 2008-04-01 06:00:12 +00:00
Chris Lattner
0ee9b20a1b Make MappedFile::map return a const correct pointer, don't leak address space on Unix platforms. 
llvm-svn: 49026
 2008-04-01 03:49:38 +00:00
Chris Lattner
b29e4e90bc Remove the MappedFile::charBase member, rename base -> getBase() and 
make getBase() return a const-correct pointer.

llvm-svn: 49025
 2008-04-01 03:40:53 +00:00
Chris Lattner
50d56e0f2b add an accessor. 
llvm-svn: 49023
 2008-04-01 03:20:31 +00:00
Chris Lattner
f2309c208a Remove MappedFile support for mapping files for write and exec 
and shared.  This complicates the design, is not used, and probably
doesn't even work.

llvm-svn: 49022
 2008-04-01 03:10:22 +00:00
Chris Lattner
c3d03d3f10 cleanup the MappedFile API and comments. This removes and updates 
tons of out of date comments (really nothing throws here!) and fixes
some other fairly glaring issues: "size" used to return the size of 
the file *and* change it, depending on how you called it.

llvm-svn: 49009
 2008-04-01 00:53:25 +00:00
Chris Lattner
a0b425c6bc remove DEFINING_FILE_FOR for MappedFile.h 
llvm-svn: 49008
 2008-04-01 00:35:55 +00:00
Owen Anderson
e540be453a Revert r48676. I had plans for using it, but now it's just dead code. 
llvm-svn: 48743
 2008-03-24 21:29:58 +00:00
Owen Anderson
de2d3aca1b Add a comment, and fix a bug where AllocateRW recurred to AllocateRWX instead of itself. 
llvm-svn: 48677
 2008-03-22 02:59:54 +00:00
Owen Anderson
5654dda62c Add an AllocateRW to match AllocateRWX. 
llvm-svn: 48676
 2008-03-22 02:33:53 +00:00
Dan Gohman
479c8ef76d Specialize FORCE_DEFINING_FILE_TO_BE_LINKED using a GCC trick 
to avoid using constructor calls for static objects. This reduces
the number of objects requiring static constructors in a typical
LLVM build by around 20%.

llvm-svn: 48665
 2008-03-21 23:38:23 +00:00
Chris Lattner
b549d83ca6 Restore this member, which is used on win32. 
llvm-svn: 48372
 2008-03-14 21:17:54 +00:00
Devang Patel
2c38efe128 Remove unused GetAddressOfSymbol() 
Thanks Daniel Dunbar!

llvm-svn: 48340
 2008-03-13 16:55:34 +00:00
Chris Lattner
5b84600196 Stub out a Path::GetMainExecutable call to find the path to the 
main executable of a program.  This needs to be implemented on windows.

llvm-svn: 47835
 2008-03-03 02:55:43 +00:00
Chris Lattner
d2a01e1994 Add path separator support, patch by Sam Bishop. 
llvm-svn: 47662
 2008-02-27 06:17:10 +00:00
Anton Korobeynikov
9f8c4b85cf Add convenient helper to get suffix of the file 
llvm-svn: 47397
 2008-02-20 19:41:22 +00:00