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22 Commits

Author SHA1 Message Date
Rafael Espindola
d80781b98b Add a InitSections method to the streamer interface. 
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
 2010-09-15 21:48:40 +00:00
Benjamin Kramer
1674b0b0e4 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:53:37 +00:00
Eric Christopher
4d01cbe93b Make EmitTBSSSymbol take a section argument so that we can find it later. 
Fix up callers and users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 21:16:04 +00:00
Eric Christopher
482eba054a Add AsmParser support for darwin tbss directive. 
Nothing uses this yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:50:28 +00:00
Chris Lattner
b54b9ddaaf break coff symbol definition stuff out into proper MCStreamer callbacks, 
patch by Nathan Jeffords!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-08 19:54:22 +00:00
Chris Lattner
2e5dd9b741 make the NullStreamer set the section on a label when emitted so that isDefined() works. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 23:12:18 +00:00
Kevin Enderby
6e72048add This is the first patch to put the needed bits in place to eventually allow code 
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
 2010-02-23 18:26:34 +00:00
Chris Lattner
718fb59801 mcstreamerize gprel32 emission. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-25 21:28:50 +00:00
Chris Lattner
a6594fc715 mcstreamerize .file and .file. This also fixes an issue where the 
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
 2010-01-25 18:58:59 +00:00
Chris Lattner
99328add83 emit the .size directive for global variables on ELF through 
mcstreamer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-25 07:52:13 +00:00
Chris Lattner
9eb158d5b4 mcize lcomm, simplify .comm, extend both to support 64-bit sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-23 07:47:02 +00:00
Chris Lattner
a5ad93a10a move the various directive enums out of the MCStreamer class 
into a new MCDirectives.h file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-23 06:39:22 +00:00
Chris Lattner
aaec205b87 Generalize mcasmstreamer data emission APIs to take an address space 
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
 2010-01-19 19:46:13 +00:00
Daniel Dunbar
2928c83b01 Pass StringRef by value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86251 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-06 10:58:06 +00:00
Daniel Dunbar
821e3334ed llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80578 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-31 08:09:28 +00:00
Daniel Dunbar
e2ace509fc llvm-mc: Simplify EmitAssignment ('.set' is identical to '='). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80577 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-31 08:09:09 +00:00
Daniel Dunbar
7092c7e1dc llvm-mc: MCStreamer cleanups. - Remove EmitLocalSymbol, this is unsupported 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
 2009-08-30 06:17:16 +00:00
Daniel Dunbar
e6cdbf2f92 llvm-mc: Emit .lcomm as .zerofill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80343 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-28 05:48:46 +00:00
Daniel Dunbar
8751b94ffb llvm-mc: Add const to EmitZeroFill section argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80341 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-28 05:48:22 +00:00
Chris Lattner
4d35fce60c null streamer needs to maintain the current section as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79343 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 16:46:29 +00:00
Chris Lattner
975780bb59 change AsmPrinter to switch sections using AsmStreamer instead of 
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
 2009-08-17 05:49:08 +00:00
Daniel Dunbar
011e4db845 llvm-mc: Add dummy MCStreamer implementation, (eventually) for use in profiling. 
- 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
 2009-08-13 23:36:34 +00:00