Commit Graph

21 Commits

Author SHA1 Message Date
Rafael Espindola
1055f72b97 Use references to simplify the code a bit.
llvm-svn: 121050
2010-12-06 22:30:54 +00:00
Rafael Espindola
1c8ac8f027 There are two reasons why we might want to use
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.

llvm-svn: 120889
2010-12-04 03:21:47 +00:00
Rafael Espindola
4c70eeaf33 Make EmitIntValue more efficient and more like what we do for leb128. The
difference is much smaller (about 0.3s) but significant.

llvm-svn: 120787
2010-12-03 02:54:21 +00:00
Rafael Espindola
675fbb2ad1 Do with uleb the same trick we now do with dwarf line/address advances. This
avoids creating leb128 fragments and speeds up the test in PR8711 to 33s.

llvm-svn: 120774
2010-12-03 01:19:49 +00:00
Rafael Espindola
57ab708bdd Try to resolve symbol differences early, and if successful create a plain
data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

llvm-svn: 120767
2010-12-03 00:55:40 +00:00
Devang Patel
8cabd938ed Use set directive for StartMinusEndExpr.
This is a fix for llvm-gcc-i386-darwin9 buildbot failure.

llvm-svn: 120742
2010-12-02 21:32:30 +00:00
Rafael Espindola
9065bfc692 Move EmitValueToOffset to the ObjectStreamer.
llvm-svn: 120691
2010-12-02 05:59:38 +00:00
Rafael Espindola
3fa6fc1450 Add EmitInstToFragment to the generic object streamer.
llvm-svn: 120690
2010-12-02 05:44:06 +00:00
Rafael Espindola
a084fd6e9d Move EmitValue to MCObjectStreamer.
llvm-svn: 120269
2010-11-28 23:08:47 +00:00
Rafael Espindola
e5b7415b21 Fixed verson of r120245.
Factor some duplicated code into MCObjectStreamer::EmitLabel.

llvm-svn: 120248
2010-11-28 17:18:55 +00:00
Rafael Espindola
1679580cc9 Revert previous patch while I debug the darwin bootstrap failure.
llvm-svn: 120246
2010-11-28 16:22:59 +00:00
Rafael Espindola
d4b3feb3f7 Factor some duplicated code into MCObjectStreamer::EmitLabel.
llvm-svn: 120245
2010-11-28 15:54:36 +00:00
Rafael Espindola
5e874982f2 Add support for expressions in .sleb/.uleb directives.
llvm-svn: 118023
2010-11-02 17:22:24 +00:00
Rafael Espindola
72b5488680 Move EmitInstruction to MCObjectStreamer so that ELF and MachO can share it.
llvm-svn: 117925
2010-11-01 16:27:31 +00:00
Rafael Espindola
1614597873 Implement .weakref.
llvm-svn: 117911
2010-11-01 14:28:48 +00:00
Rafael Espindola
dee12d8110 Avoid some Mach-O specific alignment being done on ELF.
llvm-svn: 114594
2010-09-22 22:27:05 +00:00
Benjamin Kramer
e39017cb97 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.
llvm-svn: 112849
2010-09-02 18:53:37 +00:00
Benjamin Kramer
a3e0ddb564 Plug the remaining MC leaks by giving MCObjectStreamer/MCAsmStreamer ownership of the TargetAsmBackend and the MCCodeEmitter.
llvm-svn: 109767
2010-07-29 17:48:06 +00:00
Michael J. Spencer
e2da0a478d MC: Add WinCOFFStreamer implementation and merge common code from MachO
into MCObjectStreamer.

Origonal Windows COFF implementation by Nathan Jedffords.

llvm-svn: 108678
2010-07-19 06:13:10 +00:00
Daniel Dunbar
b2347fe504 MC: Lift SwitchSection() and Finish() into MCObjectStreamer.
llvm-svn: 106141
2010-06-16 20:04:25 +00:00
Daniel Dunbar
8a3c9d9bc4 MC: Factor out an MCObjectStreamer class, which will be shared by the concrete
object file format writers.

llvm-svn: 106140
2010-06-16 20:04:22 +00:00