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102 Commits

Author SHA1 Message Date
Micah Villmow
272663afc2 Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis. 
llvm-svn: 165941
 2012-10-15 16:24:29 +00:00
Micah Villmow
4eb108750d Revert 165732 for further review. 
llvm-svn: 165747
 2012-10-11 21:27:41 +00:00
Micah Villmow
d8b76fdc50 Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly. 
llvm-svn: 165726
 2012-10-11 17:21:41 +00:00
Micah Villmow
bb1a25cd67 Move TargetData to DataLayout. 
llvm-svn: 165402
 2012-10-08 16:38:25 +00:00
Bill Wendling
343eebdbe4 Remove tabs. 
llvm-svn: 160475
 2012-07-19 00:04:14 +00:00
Rafael Espindola
38c45a939d Move the support for using .init_array from ARM to the generic 
TargetLoweringObjectFileELF. Use this to support it on X86. Unlike ARM,
on X86 it is not easy to find out if .init_array should be used or not, so
the decision is made via TargetOptions and defaults to off.

Add a command line option to llc that enables it.

llvm-svn: 158692
 2012-06-19 00:48:28 +00:00
Bill Wendling
a9402cc275 Look for the 'Is Simulated' module flag. This indicates that the program is compiled to run on a simulator. 
llvm-svn: 155435
 2012-04-24 11:03:50 +00:00
Anton Korobeynikov
fb863cd279 Fix to make sure that a comdat group gets generated correctly for a static member 
of instantiated C++ templates.

Patch by Kristof Beyls!

llvm-svn: 151250
 2012-02-23 10:36:04 +00:00
David Chisnall
d5d4804858 ... and it's probably best to use the correct alignment, rather than just guessing that it's the same as the size. 
llvm-svn: 150813
 2012-02-17 16:30:39 +00:00
David Chisnall
86b0f069d6 It turns out that putting an 8-byte symbol in a 4-byte section makes Solaris ld sulk. GNU ld is perfectly happy with it, which is worrying for a whole other set of reasons... 
Thanks to Anton, Duncan and Rafael for helping me track this down.
Pointy hat to Rafael for introducing the bug in the first place.

llvm-svn: 150811
 2012-02-17 16:05:50 +00:00
Bill Wendling
74a684d991 Use 'getDataNoRel' for the section kind. 
llvm-svn: 150628
 2012-02-15 22:47:53 +00:00
Bill Wendling
d483464dd5 Modify the code that emits the module flags to use the new module flags accessor 
method. This allows the target lowering code to not have to deal with MDNodes.

Also, avoid leaking memory like a sieve by not creating a global variable for
the image info section, but just emitting the code directly.

llvm-svn: 150624
 2012-02-15 22:36:15 +00:00
Bill Wendling
493a72b2fe Add code to the target lowering object file module to handle module flags. 
The MachO back-end needs to emit the garbage collection flags specified in the
module flags. This is a WIP, so the front-end hasn't been modified to emit these
flags just yet. Documentation and front-end switching to occur soon.

llvm-svn: 150507
 2012-02-14 21:28:13 +00:00
Anton Korobeynikov
5996573d4b Add support for implicit TLS model used with MS VC runtime. 
Patch by Kai Nacke!

llvm-svn: 150307
 2012-02-11 17:26:53 +00:00
Anton Korobeynikov
682b2821ce Properly emit ctors / dtors with priorities into desired sections 
and let linker handle the rest.

This finally fixes PR5329

llvm-svn: 148990
 2012-01-25 22:24:19 +00:00
David Blaikie
06ecc99a56 More dead code removal (using -Wunreachable-code) 
llvm-svn: 148578
 2012-01-20 21:51:11 +00:00
Bill Wendling
0f9a3f91ae On MachO, the pointer to the personality function should always be in the 
non_lazy_symbol_pointers section (__IMPORT,__pointers). Ignore the 'hidden' part
since that will place it in the wrong section.
<rdar://problem/10443720>

llvm-svn: 145356
 2011-11-29 01:43:20 +00:00
Benjamin Kramer
a2f57dee6d Remove all remaining uses of Value::getNameStr(). 
llvm-svn: 144648
 2011-11-15 16:27:03 +00:00
Bill Wendling
e37d737f13 Check the visibility of the global variable before placing it into the stubs 
table. A hidden variable could potentially end up in both lists.
<rdar://problem/10336715>

llvm-svn: 142869
 2011-10-24 23:05:43 +00:00
Evan Cheng
c9bc5a9011 Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc. 
There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.

llvm-svn: 135611
 2011-07-20 19:50:42 +00:00
Evan Cheng
380dc98371 Add MCObjectFileInfo and sink the MCSections initialization code from 
TargetLoweringObjectFileImpl down to MCObjectFileInfo.

TargetAsmInfo is done to one last method. It's *almost* gone!

llvm-svn: 135569
 2011-07-20 05:58:47 +00:00
Evan Cheng
9a80b0a7e6 Fix an obvious typo that's preventing x86 (32-bit) from using .literal16. 
llvm-svn: 135535
 2011-07-19 23:14:32 +00:00
Evan Cheng
7bdc771798 Fix up TargetLoweringObjectFile ctors to properly initialize fields. 
llvm-svn: 135068
 2011-07-13 19:54:59 +00:00
Bill Wendling
42866c8944 Use the presence of the __compact_unwind section to indicate that a target 
supports compact unwind info instead of having a separate flag indicating this.

llvm-svn: 133685
 2011-06-23 05:13:28 +00:00
Bill Wendling
ec779bc283 Add a flag that indicates whether a target supports compact unwind info or not. 
llvm-svn: 133662
 2011-06-22 23:16:51 +00:00
Bill Wendling
72c8521466 Add a __LD,__compact_unwind section. 
If the linker supports it, this will hold the CIE and FDE information in a
compact format. The implementation of the compact unwinding emission is coming
soon.

llvm-svn: 133658
 2011-06-22 22:22:24 +00:00
Rafael Espindola
36459b9b7f Fix invalid uses of Twine. Hopefully this fixes the problem that Takumi is 
having.

llvm-svn: 132898
 2011-06-13 03:09:13 +00:00
Rafael Espindola
12efa298a0 Fix a silly error I introduce in r131951. 
Fixes PR10095.

llvm-svn: 132735
 2011-06-07 23:26:45 +00:00
Charles Davis
cb20ea9935 Add the suffix to the Win64 EH data sections' names if given. Add a test for 
this. XFAIL'd, because the COFF AsmParser can't handle .section yet.

llvm-svn: 132220
 2011-05-27 21:38:47 +00:00
Charles Davis
4becdc727e Revert r132111. I built Release (without Asserts), so I didn't know about the 
assert that prevented setting alignment on section creation.

llvm-svn: 132113
 2011-05-26 05:35:55 +00:00
Charles Davis
44fb280873 Align Win64 EH Table sections to 4 bytes. 
llvm-svn: 132111
 2011-05-26 05:19:54 +00:00
Rafael Espindola
8e44a53856 Explain FIXME. 
llvm-svn: 131952
 2011-05-24 03:10:31 +00:00
Rafael Espindola
176fe6a0e0 Fix the defaults for .eh_frame. We were marking it as writable. 
llvm-svn: 131951
 2011-05-24 02:50:20 +00:00
Charles Davis
445c467ced Fix typo. When will I learn? 
llvm-svn: 131765
 2011-05-20 22:23:34 +00:00
Charles Davis
989cc73ef3 Add .pdata and .xdata sections to the COFF TLOF implementation. 
llvm-svn: 131763
 2011-05-20 22:13:55 +00:00
Bill Wendling
7a13f3bde3 Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>

llvm-svn: 130918
 2011-05-05 06:49:15 +00:00
Rafael Espindola
eb5d0cb4f4 GCC uses a different encoding of pointers in the FDE when using 
-fno-dwarf2-cfi-asm. Implement the same behavior.

llvm-svn: 130637
 2011-05-01 04:49:54 +00:00
Rafael Espindola
36e419b524 Remove unnecessary argument. 
llvm-svn: 130343
 2011-04-27 23:17:57 +00:00
Rafael Espindola
0525497a16 Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, and 
give it a bit more responsibility. Also implement it for MachO.

If hacked to use cfi, 32 bit MachO will produce

.cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr

and 64 bit will produce

.cfi_presonality ___gxx_personality_v0

The general idea is that .cfi_personality gets passed the final symbol. It is
up to codegen to produce it if using indirect representation (like 32 bit
MachO), but it is up to MC to decide which relocations to create.

llvm-svn: 130341
 2011-04-27 23:08:15 +00:00
Rafael Espindola
6bf5acb38d Fix indentation. 
llvm-svn: 130331
 2011-04-27 21:29:52 +00:00
Rafael Espindola
09e9797728 Remove unused arguments. 
llvm-svn: 129844
 2011-04-20 03:08:09 +00:00
Daniel Dunbar
82a4062a4e ADT/Triple: Renambe isOSX... methods to isMacOSX for consistency with the OS 
triple component.

llvm-svn: 129838
 2011-04-20 00:14:25 +00:00
Daniel Dunbar
140e365c49 CodeGen: Eliminate a use of getDarwinMajorNumber(). 
- There is a minor semantic change here (evidenced by the test change) for
   Darwin triples that have no version component. I debated changing the default
   behavior of isOSVersionLT, but decided it made more sense for triples to be
   explicit.

llvm-svn: 129802
 2011-04-19 20:32:39 +00:00
Rafael Espindola
9e5aaa3b78 Put each personality function in a section. This fixes the gnu ld warning: 
error in foo.o; no .eh_frame_hdr table will be created.

llvm-svn: 129635
 2011-04-16 03:51:21 +00:00
Stuart Hastings
0c1298989f Reapply 127939 since Daniel fixed the breakage. <rdar://problem/9012638> 
llvm-svn: 127944
 2011-03-19 02:42:31 +00:00
Stuart Hastings
0b337d0fe8 Revert 127939. <rdar://problem/9012638> 
llvm-svn: 127943
 2011-03-19 02:33:56 +00:00
Stuart Hastings
4a2b1ca9c1 Revise r126127 to address Daniel's comments. <rdar://problem/9012638> 
llvm-svn: 127939
 2011-03-19 01:32:01 +00:00
Rafael Espindola
3a1fd70006 Fix llvm-gcc bootstrap with gnu ld. 
The problem was codegen guessing the wrong values and printing

	.section	.eh_frame,"aMS",@progbits,4

It is not clear at all if Codegen should try to guess, MC is the
one that should know the default flags.

llvm-svn: 126421
 2011-02-24 20:18:01 +00:00
Eric Christopher
de9e3eaf5f Revert r125960, it's breaking darwin10 bootstrap. 
llvm-svn: 126163
 2011-02-21 23:52:19 +00:00
Stuart Hastings
d7ca2e5b61 Fix to correctly support attribute((section("__DATA, __common"))). 
Radar 9012638.

llvm-svn: 126127
 2011-02-21 17:27:17 +00:00