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* EmitZerofill should take a 64-bit size or else it's chopping off large ↵Evan Cheng2012-06-221-1/+1
| | | | | | zero-filled global. rdar://11729134 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159023 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Trailing whitespace.Jim Grosbach2012-05-111-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156602 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Fix the MCNullStreamer which was broken in r147763.Daniel Dunbar2012-02-221-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151213 91177308-0d34-0410-b5e6-96231b3b80d8
* Better diagnostic for malformed .org assembly directive.Jim Grosbach2012-01-271-2/+2
| | | | | | Provide source line number information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149101 91177308-0d34-0410-b5e6-96231b3b80d8
* Split Finish into Finish and FinishImpl to have a common place to do end ofRafael Espindola2012-01-071-1/+1
| | | | | | | | file error checking. Use that to error on an unfinished cfi_startproc. The error is not nice, but is already better than a segmentation fault. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147717 91177308-0d34-0410-b5e6-96231b3b80d8
* Add back the MC bits of 126425. Original patch by Nathan Jeffords. I added theRafael Espindola2011-12-171-0/+1
| | | | | | asm parsing and testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146801 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for a new extension to the .file directive:Nick Lewycky2011-10-171-1/+2
| | | | | | | | | | | .file filenumber "directory" "filename" This removes one join+split of the directory+filename in MC internals. Because bitcode files have independent fields for directory and filenames in debug info, this patch may change the .o files written by existing .bc files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142300 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't drop alignment info on local common symbols.Benjamin Kramer2011-09-011-2/+2
| | | | | | | | | | | - On COFF the .lcomm directive has an alignment argument. - On ELF we fall back to .local + .comm Based on a patch by NAKAMURA Takumi. Fixes PR9337, PR9483 and PR10128. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138976 91177308-0d34-0410-b5e6-96231b3b80d8
* Unfortunately several files in MC are badly violating layering rule by usingEvan Cheng2011-07-141-1/+2
| | | | | | | | | | TargetAsmInfo, which in turn pulls in TargetRegisterInfo, etc. :-( There are other cases of violations, but this is probably the worst. This patch is but one small step towards fixing this. 500 more steps to go. :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135131 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the handling of pcrel relocations on ELF. Now we do the right thingRafael Espindola2011-05-011-1/+1
| | | | | | | | | | for all symbol differences and can drop the old EmitPCRelSymbolValue method. This also make getExprForFDESymbol on ELF equal to the one on MachO, and it can be made non-virtual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130634 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused argument.Rafael Espindola2011-04-211-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129955 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce clutter in asm output. Do not emit source location as comment for ↵Devang Patel2011-04-181-1/+2
| | | | | | each instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129715 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll out r126425 and r126450 to see if it fixes the failures on the buildbots.Cameron Zwarich2011-02-251-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126488 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable DebugInfo support for COFF object files.Devang Patel2011-02-241-0/+1
| | | | | | | | Patch by Nathan Jeffords! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126425 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for pushsection and popsection. Patch by Joerg Sonnenberger.Rafael Espindola2011-02-161-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125629 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed version of 121434 with no new memory leaks.Rafael Espindola2010-12-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my previous patch to make the valgrind bots happy.Rafael Espindola2010-12-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the cfi directives. This is just enough to getRafael Espindola2010-12-091-2/+2
| | | | | | | | | | | f: .cfi_startproc nop .cfi_endproc assembled (on ELF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
* There are two reasons why we might want to useRafael Espindola2010-12-041-1/+1
| | | | | | | | | | | | | | | | foo = a - b .long foo instead of just .long a - b First, on darwin9 64 bits the assembler produces the wrong result. Second, if "a" is the end of the section all darwin assemblers (9, 10 and mc) will not consider a - b to be a constant but will if the dummy foo is created. Split how we handle these cases. The first one is something MC should take care of. The second one has to be handled by the caller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120889 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to resolve symbol differences early, and if successful create a plainRafael Espindola2010-12-031-0/+3
| | | | | | | data fragment. This reduces the time to assemble the test in 8711 from 60s to 54s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120767 91177308-0d34-0410-b5e6-96231b3b80d8
* Use set directive for StartMinusEndExpr.Devang Patel2010-12-021-1/+1
| | | | | | | This is a fix for llvm-gcc-i386-darwin9 buildbot failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120742 91177308-0d34-0410-b5e6-96231b3b80d8
* Add .loc methods to the streamer.Rafael Espindola2010-11-161-1/+6
| | | | | | | Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer and then switch codegen to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119384 91177308-0d34-0410-b5e6-96231b3b80d8
* MC'ize the '.code 16' and '.thumb_func' ARM directives.Jim Grosbach2010-11-051-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118301 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for expressions in .sleb/.uleb directives.Rafael Espindola2010-11-021-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118023 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement .weakref.Rafael Espindola2010-11-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a InitSections method to the streamer interface.Rafael Espindola2010-09-151-0/+3
| | | | | | | | | | | | | | The ELF implementation now creates text, data and bss to match the gnu as behavior. The text streamer still has the old MachO specific behavior since the testsuite checks that it will error when a directive is given before a setting the current section for example. A nice benefit is that -n is not required anymore when producing ELF files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114027 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.Benjamin Kramer2010-09-021-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
* Make EmitTBSSSymbol take a section argument so that we can find it later.Eric Christopher2010-05-181-2/+2
| | | | | | | Fix up callers and users. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104057 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AsmParser support for darwin tbss directive.Eric Christopher2010-05-141-1/+2
| | | | | | | Nothing uses this yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757 91177308-0d34-0410-b5e6-96231b3b80d8
* break coff symbol definition stuff out into proper MCStreamer callbacks,Chris Lattner2010-05-081-0/+6
| | | | | | | patch by Nathan Jeffords! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103346 91177308-0d34-0410-b5e6-96231b3b80d8
* make the NullStreamer set the section on a label when emitted so that ↵Chris Lattner2010-03-091-1/+5
| | | | | | isDefined() works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the first patch to put the needed bits in place to eventually allow codeKevin Enderby2010-02-231-0/+3
| | | | | | | | | | | | to be aligned with optimal nops. This patch does not change any functionality and when the compiler is changed to use EmitCodeAlignment() it should also not change the resulting output. Once the compiler change is made and everything looks good the next patch with the table of optimal X86 nops will be added to WriteNopData() changing the output. There are many FIXMEs in this patch which will be removed when we have better target hooks (coming soon I hear). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96963 91177308-0d34-0410-b5e6-96231b3b80d8
* mcstreamerize gprel32 emission.Chris Lattner2010-01-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94452 91177308-0d34-0410-b5e6-96231b3b80d8
* mcstreamerize .file and .file. This also fixes an issue where theChris Lattner2010-01-251-0/+2
| | | | | | | | normal form of .file would fail if the filename had a weird character in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94437 91177308-0d34-0410-b5e6-96231b3b80d8
* emit the .size directive for global variables on ELF throughChris Lattner2010-01-251-1/+1
| | | | | | | mcstreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94416 91177308-0d34-0410-b5e6-96231b3b80d8
* mcize lcomm, simplify .comm, extend both to support 64-bit sizes.Chris Lattner2010-01-231-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94299 91177308-0d34-0410-b5e6-96231b3b80d8
* move the various directive enums out of the MCStreamer classChris Lattner2010-01-231-2/+2
| | | | | | | into a new MCDirectives.h file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94294 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize mcasmstreamer data emission APIs to take an address spaceChris Lattner2010-01-191-2/+3
| | | | | | | identifier. There is no way to work around it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93896 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass StringRef by value.Daniel Dunbar2009-11-061-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86251 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues.Daniel Dunbar2009-08-311-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80578 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Simplify EmitAssignment ('.set' is identical to '=').Daniel Dunbar2009-08-311-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80577 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: MCStreamer cleanups. - Remove EmitLocalSymbol, this is unsupported ↵Daniel Dunbar2009-08-301-4/+2
| | | | | | | | for now. - Switch Emit{CommonSymbol,Zerofill} to take alignment in bytes (for consistency). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80484 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Emit .lcomm as .zerofill.Daniel Dunbar2009-08-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80343 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add const to EmitZeroFill section argument.Daniel Dunbar2009-08-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80341 91177308-0d34-0410-b5e6-96231b3b80d8
* null streamer needs to maintain the current section as well.Chris Lattner2009-08-181-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79343 91177308-0d34-0410-b5e6-96231b3b80d8
* change AsmPrinter to switch sections using AsmStreamer instead ofChris Lattner2009-08-171-1/+1
| | | | | | | | | | doing it directly. This requires const'izing a bunch of stuff that took sections, but this seems like the right semantic thing to do: emitting a label to a section shouldn't mutate the MCSection object itself, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79227 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add dummy MCStreamer implementation, (eventually) for use in profiling.Daniel Dunbar2009-08-131-0/+72
- Currently unused. - A few other random comment fixes lumped in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78960 91177308-0d34-0410-b5e6-96231b3b80d8
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