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29 Commits

Author SHA1 Message Date
Evan Phoenix
a44be8b7f3 Disable external stubs for X86-32 and X86-64 
Instruction selection for X86 now can choose an instruction
sequence that will fit any address of any symbol, no matter
the pointer width. X86-64 uses a mov+call-via-reg sequence
for this.

llvm-svn: 95323
 2010-02-04 19:56:59 +00:00
Jeffrey Yasskin
502d93267d Make the need-stub variables accurate and consistent. In the case of 
MachineRelocations, "stub" always refers to a far-call stub or a
load-a-faraway-global stub, so this patch adds "Far" to the term. (Other stubs
are used for lazy compilation and dlsym address replacement.) The variable was
also inconsistent between the positive and negative sense, and the positive
sense ("NeedStub") was more demanding than is accurate (since a nearby-enough
function can be called directly even if the platform often requires a stub).
Since the negative sense causes double-negatives, I switched to
"MayNeedFarStub" globally.

llvm-svn: 86363
 2009-11-07 08:51:52 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +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
080c1a9fac Rename isGVNonLazyPtr to isIndirectSym to reflect how it will be used. 
llvm-svn: 58949
 2008-11-10 01:08:07 +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
7d83a1fce2 Indentation. 
llvm-svn: 58881
 2008-11-08 01:30:20 +00:00
Evan Cheng
7f68765615 Jump table relocation addresses may be resolved by target. 
llvm-svn: 58834
 2008-11-07 09:01:15 +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
e82f1335c7 Add a bit to MachineRelocation that tells JIT that target is responsible for resolving the address. e.g. ARM constpool. 
llvm-svn: 58405
 2008-10-29 23:53:42 +00:00
Evan Cheng
ce2c3b07ba Revert 51775. 
llvm-svn: 51795
 2008-05-30 22:47:19 +00:00
Evan Cheng
8ebaae9d1c Patches for building llvm on Solaris x86. Contributed by Nathan Keynes. 
llvm-svn: 51775
 2008-05-30 17:16:20 +00:00
Chris Lattner
831f4502e8 Fix the failures in the PPC JIT by marking relocation entries for 
external symbols (e.g. 'fmod') as needing a stub.  This regression
was introduced by Evan's jit patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071231/056749.html

With this fixed, the two ExecutionEngine failures are passing on ppc,
and the ppc jit works on freebench and olden.

This should be pulled into the 2.2 release branch.

llvm-svn: 46222
 2008-01-21 22:27:27 +00:00
Evan Cheng
7322e4dec4 X86 PIC JIT support fixes: encoding bugs, add lazy pointer stubs support. 
llvm-svn: 45575
 2008-01-04 10:46:51 +00:00
Evan Cheng
fb2bc4fc95 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).

llvm-svn: 45527
 2008-01-03 02:56:28 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Jeff Cohen
5b012f8b7f Make enum-valued bitfield large enough to avoid interpretation as negative values in VC++. 
llvm-svn: 36304
 2007-04-21 16:29:37 +00:00
Nate Begeman
3d2e738f0c Add a default relocation type, and allow clients to set the ConstantVal 
field after creation.

llvm-svn: 32429
 2006-12-11 02:19:29 +00:00
Evan Cheng
60d02d04dd Add basic block machine relocation. 
llvm-svn: 29349
 2006-07-27 18:18:13 +00:00
Evan Cheng
2db138d4b0 Added jump table address relocation. 
llvm-svn: 28908
 2006-06-23 01:02:37 +00:00
Chris Lattner
f89e1162ad Change from using MachineRelocation ctors to using static methods 
in MachineRelocation to create Relocations.

llvm-svn: 28088
 2006-05-03 20:30:20 +00:00
Chris Lattner
662f66bfcd Cleanup the internal implementation of MachineRelocation. No interface or 
functionality changes.

llvm-svn: 28086
 2006-05-03 18:52:31 +00:00
Jeff Cohen
81980781a1 Eliminate tabs and trailing spaces. 
llvm-svn: 22520
 2005-07-27 05:53:44 +00:00
Andrew Lenharth
8fc535e9bd allow constants to be relocated like GV (necessary for alpha, as constants are relocated with globals, not with .text), and allow targets to have a GOT managed for them 
llvm-svn: 22496
 2005-07-22 20:46:42 +00:00
Misha Brukman
4ad5efd1a9 Remove trailing whitespace 
llvm-svn: 21409
 2005-04-21 20:39:54 +00:00
Chris Lattner
3765dc4ebd Add another bit, to make the JIT a bit more efficient. 
llvm-svn: 18077
 2004-11-21 03:27:13 +00:00
Chris Lattner
62d04b04f0 Add missing #include 
llvm-svn: 18058
 2004-11-20 23:40:54 +00:00
Chris Lattner
20654daf37 Add the getRelocationType method that I forgot 
llvm-svn: 18033
 2004-11-20 03:43:50 +00:00
Chris Lattner
674e29ccde New file 
llvm-svn: 18029
 2004-11-20 03:05:50 +00:00