Commit Graph

144 Commits

Author SHA1 Message Date
Nicolas Geoffray
afe6c2b001 Enable exception handling int JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47079 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-13 18:39:37 +00:00
Chris Lattner
1910e2f3ec JITEmitter.cpp was trying to sync the icache for function stubs, but
was actually passing a completely incorrect size to sys_icache_invalidate.
Instead of having the JITEmitter do this (which doesn't have the correct 
size), just make the target sync its own stubs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46354 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-25 16:41:09 +00:00
Evan Cheng
2a3e08b596 X86 JIT PIC jumptable support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45616 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-05 02:26:58 +00:00
Evan Cheng
be8c03fc66 X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45575 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-04 10:46:51 +00:00
Evan Cheng
02aabbf96b Change MachineRelocation::DoesntNeedFnStub to NeedStub. This fields will be used
for non-function GV relocations that require function address stubs (e.g. Mac OS X in non-static mode).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45527 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-03 02:56:28 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 20:36:04 +00:00
Chris Lattner
9f2f142d25 simplify creation of the interpreter, make ExecutionEngine ctor protected,
delete one ExecutionEngine ctor, minor cleanup.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44646 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-06 01:08:09 +00:00
Chris Lattner
8907b4ba47 split the JIT memory management code out from the main JIT logic into its
own JITMemoryManager interface.  There is no functionality change with 
this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44640 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-05 23:39:57 +00:00
Duncan Sands
514ab348fd Executive summary: getTypeSize -> getTypeStoreSize / getABITypeSize.
The meaning of getTypeSize was not clear - clarifying it is important
now that we have x86 long double and arbitrary precision integers.
The issue with long double is that it requires 80 bits, and this is
not a multiple of its alignment.  This gives a primitive type for
which getTypeSize differed from getABITypeSize.  For arbitrary precision
integers it is even worse: there is the minimum number of bits needed to
hold the type (eg: 36 for an i36), the maximum number of bits that will
be overwriten when storing the type (40 bits for i36) and the ABI size
(i.e. the storage size rounded up to a multiple of the alignment; 64 bits
for i36).

This patch removes getTypeSize (not really - it is still there but
deprecated to allow for a gradual transition).  Instead there is:

(1) getTypeSizeInBits - a number of bits that suffices to hold all
values of the type.  For a primitive type, this is the minimum number
of bits.  For an i36 this is 36 bits.  For x86 long double it is 80.
This corresponds to gcc's TYPE_PRECISION.

(2) getTypeStoreSizeInBits - the maximum number of bits that is
written when storing the type (or read when reading it).  For an
i36 this is 40 bits, for an x86 long double it is 80 bits.  This
is the size alias analysis is interested in (getTypeStoreSize
returns the number of bytes).  There doesn't seem to be anything
corresponding to this in gcc.

(3) getABITypeSizeInBits - this is getTypeStoreSizeInBits rounded
up to a multiple of the alignment.  For an i36 this is 64, for an
x86 long double this is 96 or 128 depending on the OS.  This is the
spacing between consecutive elements when you form an array out of
this type (getABITypeSize returns the number of bytes).  This is
TYPE_SIZE in gcc.

Since successive elements in a SequentialType (arrays, pointers
and vectors) need to be aligned, the spacing between them will be
given by getABITypeSize.  This means that the size of an array
is the length times the getABITypeSize.  It also means that GEP
computations need to use getABITypeSize when computing offsets.
Furthermore, if an alloca allocates several elements at once then
these too need to be aligned, so the size of the alloca has to be
the number of elements multiplied by getABITypeSize.  Logically
speaking this doesn't have to be the case when allocating just
one element, but it is simpler to also use getABITypeSize in this
case.  So alloca's and mallocs should use getABITypeSize.  Finally,
since gcc's only notion of size is that given by getABITypeSize, if
you want to output assembler etc the same as gcc then getABITypeSize
is the size you want.

Since a store will overwrite no more than getTypeStoreSize bytes,
and a read will read no more than that many bytes, this is the
notion of size appropriate for alias analysis calculations.

In this patch I have corrected all type size uses except some of
those in ScalarReplAggregates, lib/Codegen, lib/Target (the hard
cases).  I will get around to auditing these too at some point,
but I could do with some help.

Finally, I made one change which I think wise but others might
consider pointless and suboptimal: in an unpacked struct the
amount of space allocated for a field is now given by the ABI
size rather than getTypeStoreSize.  I did this because every
other place that reserves memory for a type (eg: alloca) now
uses getABITypeSize, and I didn't want to make an exception
for unpacked structs, i.e. I did it to make things more uniform.
This only effects structs containing long doubles and arbitrary
precision integers.  If someone wants to pack these types more
tightly they can always use a packed struct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43620 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-01 20:53:16 +00:00
Reid Spencer
087b72d1bc Hush a noisy warning from GCC 4.2 about overflow during conversion by using
the type "unsigned" instead of uintptr_t for a 1-bit structure field.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40066 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-19 21:05:30 +00:00
Gabor Greif
e510b3af3a fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38453 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-09 12:00:59 +00:00
Gabor Greif
a99be51bf5 Here is the bulk of the sanitizing.
Almost all occurrences of "bytecode" in the sources have been eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37913 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-05 17:07:56 +00:00
Evan Cheng
9da60f92d9 (For Chris): Fix failure where we rejected compiling stubs when lazy compilation is disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37825 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-30 00:10:37 +00:00
Anton Korobeynikov
c6551ffdd5 Implement PR1240
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34959 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 05:32:48 +00:00
Chris Lattner
e748401b18 Fix PR1216 by cleaning up the ownership of JITResolver.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34552 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-24 02:57:03 +00:00
Reid Spencer
5cbf985dcb For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid
confusion with external linkage types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 20:08:39 +00:00
Anton Korobeynikov
fd58e6e2ec Moved disassembler to libSystem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33461 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-23 10:26:08 +00:00
Chris Lattner
c5633c235e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33408 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-20 20:51:43 +00:00
Andrew Lenharth
a9ebd2b91f fix build on amd64
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33367 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 20:17:59 +00:00
Anton Korobeynikov
8cd4c3e653 Adding disassembler interface and external hook to udis86 library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33358 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-19 17:25:17 +00:00
Chris Lattner
36343735cb remove static ctors from Statistic objects
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32700 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-19 22:43:32 +00:00
Jim Laskey
b92767afd4 Simplify the fetching of relocation mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32588 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-14 22:53:42 +00:00
Jim Laskey
acd80ac7bb 1. Tidy up jump table info.
2. Allow the jit to handle PIC relocable jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32581 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-14 19:17:33 +00:00
Bill Wendling
832171cb97 Removing even more <iostream> includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32320 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-07 20:04:42 +00:00
Chris Lattner
ac0b6ae358 Detemplatize the Statistic class. The only type it is instantiated with
is 'unsigned'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 17:46:33 +00:00
Evan Cheng
9a1e9b9140 Allow target to specify alignment for function stub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31788 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-16 20:04:54 +00:00
Chris Lattner
9cab56d59e if lazy compilation is disabled, print an error message and abort if
lazy compilation is ever attempted


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31602 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:32:13 +00:00
Reid Spencer
3ed469ccd7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-02 20:25:50 +00:00
Chris Lattner
c6336273d9 Unbreak the JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30384 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-15 04:56:11 +00:00
Anton Korobeynikov
b74ed07bfd 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-14 18:23:27 +00:00
Chris Lattner
8a650095fc Fix a ton of jit failures
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30292 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-13 16:21:10 +00:00
Evan Cheng
cd5731d98b Reflect MachineConstantPoolEntry changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30277 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-12 20:59:59 +00:00
Nate Begeman
019f851ab2 Behold, more work on relocations. Things are looking pretty good now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30240 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-10 23:03:44 +00:00
Chris Lattner
fe85403467 initial changes to support JIT'ing from multiple module providers, implicitly
linking the program on the fly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29721 91177308-0d34-0410-b5e6-96231b3b80d8
2006-08-16 01:24:12 +00:00
Evan Cheng
f141cc46fa Resolve BB references with relocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29351 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-27 18:21:10 +00:00
Jim Laskey
2e9f3686f8 Fixed a typo in Evan's submisson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29345 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-27 13:40:34 +00:00
Evan Cheng
55b5053b8e Move synchronizeICache from TargetJITInfo into a static function in JITEmitter.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29334 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-27 06:33:55 +00:00
Evan Cheng
55fc28076f - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29276 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-25 20:40:54 +00:00
Chris Lattner
c1780d2a0a Change AllocateRWX/DeallocateRWX do not throw an exception.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29057 91177308-0d34-0410-b5e6-96231b3b80d8
2006-07-07 17:31:41 +00:00
Evan Cheng
52b510b4c4 Added jump table address relocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28908 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-23 01:02:37 +00:00
Chris Lattner
a827953c32 Only count instructions as code size, not constant pools and other per-function stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28827 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-16 18:09:26 +00:00
Chris Lattner
870286aa33 Fix -pedantic warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28636 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-01 17:29:22 +00:00
Chris Lattner
f3af4ff005 Make this print the right start pointer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28321 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-16 06:45:50 +00:00
Chris Lattner
bbea1245a1 Fix a hypothetical memory leak, identified by Coverity. In practice, this
object is never deleted though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28256 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-12 18:10:12 +00:00
Chris Lattner
a5f0419b4e For extra sanity checking, fill free'd memory with garbage so we know that
people aren't reusing machine code buffers at all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28228 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-12 00:03:12 +00:00
Chris Lattner
9f3d1ba9ad Fix some bugs in the freelist manipulation code.
Finally, implement ExecutionEngine::freeMachineCodeForFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28227 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 23:56:57 +00:00
Chris Lattner
e993cc27ad 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! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28225 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 23:08:08 +00:00
Chris Lattner
e7fd553b3b Move some methods out of line so that MutexGuard.h isn't needed in a public header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28179 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 22:00:52 +00:00
Chris Lattner
d2d5c76753 minor cleanups, no functionality change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28087 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 18:55:56 +00:00
Chris Lattner
b4432f3d47 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28082 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 17:10:41 +00:00