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19 Commits

Author SHA1 Message Date
Evan Cheng
e76a33b956 Add MCObjectFileInfo and sink the MCSections initialization code from 
TargetLoweringObjectFileImpl down to MCObjectFileInfo.

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135569 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-20 05:58:47 +00:00
Evan Cheng
2d28617de2 Move getInitialFrameState from TargetFrameInfo to MCAsmInfo (suggestions for 
better location welcome).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135438 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-18 22:29:13 +00:00
Rafael Espindola
354c82bdf5 Initialize moveTypeModule. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131157 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 21:54:59 +00:00
Rafael Espindola
e29887b4ee Use .cfi_sections to put the unwind info in .debug_frame when possible. With 
this clang will use .debug_frame in, for example,
clang -g -c -m32 test.c
This matches gcc's behaviour. It looks like .debug_frame is a bit bigger
than .eh_frame, but has the big advantage of not being allocated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 18:39:09 +00:00
Rafael Espindola
e17e6c01c8 Only produce the eh_frame section if we have at least one personality function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130692 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 15:49:52 +00:00
Rafael Espindola
ac3ba1b27e The last hack for producing bit identical output with cfi on OS X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 15:09:53 +00:00
Rafael Espindola
7b11a4cbdc Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:48:51 +00:00
Rafael Espindola
a432997745 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:14:06 +00:00
Rafael Espindola
60246a9622 Remove unnecessary argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:17:57 +00:00
Rafael Espindola
7afec9cc0f 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:08:15 +00:00
Rafael Espindola
e54e785be5 Simplify the logic. Noticed by aKor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:55:34 +00:00
Rafael Espindola
7ed6732447 Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc. 
Fixes PR9787.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:00:34 +00:00
Benjamin Kramer
e5060984aa Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 10:30:47 +00:00
Rafael Espindola
30deafc84a 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 03:51:21 +00:00
Rafael Espindola
f0adba9a7e Add 129518 back with a fix for when we are producing eh just because of debug info. 
Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 15:11:06 +00:00
NAKAMURA Takumi
bcb8c6d09e Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the" 
It broke several builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129557 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 03:35:57 +00:00
Rafael Espindola
3dae6e7333 Change ELF systems to use CFI for producing the EH tables. This reduces the 
size of the clang binary in Debug builds from 690MB to 679MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-14 15:18:53 +00:00
Anton Korobeynikov
3965b5e974 Add a possibility to switch between CFI directives- and table-based frame description emission. Currently all the backends use table-based stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:58:08 +00:00
Anton Korobeynikov
9a1ef4ef36 Add CFI directives-based frame information emission. Not hooked yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:57:53 +00:00