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2010-12-08ARM/MC/ELF TPsoft is now a proper pseudo inst.Jason W Kim
Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM as well as ELF/OBJ (including fixup) Also added support for ELF::R_ARM_TLS_IE32 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121312 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Support the "target" encodings for the CB[N]Z instructions.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121308 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Add support for loading from a constant pool.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121226 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Let target asm backends see assembler flags as they go by. Use that to handleJim Grosbach
thumb vs. arm mode differences in WriteNopData(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Layout each section independently. With the testcase in PR8711:Rafael Espindola
before: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 330771677 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m26.123s user 0m25.694s sys 0m0.388s after: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 231507 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m2.500s user 0m2.113s sys 0m0.273s And yes, the outputs are identical :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121207 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix absolute recording of differences of symbols in two sections. Reduced ↵Rafael Espindola
from ctor_dtor_count-2.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121152 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix relocations with weak definitions.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix pcrel relocations that cross sections.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121107 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Fix a crash reduced from gcc produced assembly.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121085 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Sorry for such a large commit. The summary is that only MachO cares about theRafael Espindola
actuall addresses in a .o file, so it is better to let the MachO writer compute it. This is good for two reasons. First, areas that shouldn't care about addresses now don't have access to it. Second, the layout of each section is independent. I should use this in a subsequent commit to speed it up. Most of the patch is just removing the section address computation. The two interesting parts are the change on how we handle padding in the end of sections and how MachO can get the address of a-b when a and b are in different sections. Since now the expression evaluation normally doesn't know the section address, it will think that a-b needs relocation and let the MachO writer know. Once it has computed the section addresses, it calls back the expression evaluation with the section addresses to resolve these expressions. The remaining problem is the handling of padding. Currently it will create a special alignment fragment at the end. Since that fragment doesn't update the alignment of the section, it needs the real address to be computed. Since now the layout will not compute a-b with a and b in different sections, the only effect that the special alignment fragment has is update the address size of the section. This can also be done by the MachO writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121076 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Add fixup for Thumb1 BL/BLX instructions.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121072 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Use references to simplify the code a bit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121050 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Refactor ELFObjectWriter.Jason W Kim
+ ARM/X86/MBlaze now share a common RecordRelocation + ARM/X86/MBlaze arch specific routines are limited to GetRelocType() git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06use getSymbolOffset.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121041 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Another use of getSymbolOffset.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Remove the instruction fragment to data fragment lowering since it was causingRafael Espindola
freed data to be read. I will open a bug to track it being reenabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121028 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Second try at making direct object emission produce the same resultsRafael Espindola
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc bootstrap on darwin10 using darwin9's assembler and linker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Revert previous two patches while I try to find out how to make bothRafael Espindola
linux and darwin assemblers happy :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121004 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Add an EmitAbsValue helper method and use it in cases where we want to be sureRafael Espindola
that no relocations are used (on MochO). Fixes llc producing different output from llc + llvm-mc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Remove the getAddress getter, initialize Ordinal in the constructor and useRafael Espindola
that on the ELF writer to detect a section we created. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Simplify a bit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120980 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Use getSymbolOffset on the COFF writer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120979 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Don't use PadSectionToAlignment on windows.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120978 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Add a getSymbolOffset method and use it in the ELF writer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120977 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-04Once the layout is done we don't need to keep updating which fragments areRafael Espindola
valid. Addresses will not change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-04Remember the contents of leb and dwarfline fragments when relaxing. This avoidsRafael Espindola
having to evaluate the expression again when writing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-04There are two reasons why we might want to useRafael Espindola
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
2010-12-04Next step: Only pad debug_line when the target is darwin. Add a FIXME to avoidRafael Espindola
doing that if the target is darwin10 or newer. This fixes *) Direct object emission was producing objects without the workaround on darwin9. *) Assembly printing was producing objects with the workaround on linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120866 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-03First step in fixing MC. Make it clear that we are avoiding a bug in theRafael Espindola
darwin9 linker, what is needed to avoid it and where to get more information. Also make the workaround simpler. Just the regular end_sequence we normally create is more than 4 bytes. Tested by building cctools and ld64 from darwin9 on a darwin10 system and using those. I checked that I was able to reproduce the bootstrap failure when the the workaround was disabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120854 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-03Make EmitIntValue more efficient and more like what we do for leb128. TheRafael Espindola
difference is much smaller (about 0.3s) but significant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120787 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-03Do with uleb the same trick we now do with dwarf line/address advances. ThisRafael Espindola
avoids creating leb128 fragments and speeds up the test in PR8711 to 33s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120774 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-03Try to resolve symbol differences early, and if successful create a plainRafael Espindola
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
2010-12-03It may not be an option to skip .debug_line if there are file reference in ↵Devang Patel
already emitted debug info. So, for now, emit dummy line table entry to make older linker and assemblers happy. This is not a new behavior, original AsmPrinter emitted similar line table entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02Use set directive for StartMinusEndExpr.Devang Patel
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
2010-12-02Add a fast path to EvaluateSymbolicAdd. This avoids computing symbol addressesRafael Espindola
which then avoids running EnsureValid. This cuts the assembly time of the testcase in PR8711 from 2:50 minutes to 1 minute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120697 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02Move EmitValueToOffset to the ObjectStreamer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120691 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02Add EmitInstToFragment to the generic object streamer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120690 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02The sections that the ELF object writer has to create are very simple andRafael Espindola
contain only data. Handle them specially instead of using AddSectionToTheEnd. This moves a hack from the generic assembler to the elf writer. It is also a bit faster and should make other improvements easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120683 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02If tehre are not any line entry then do not try to emit .debug_line section.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120637 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-02Add support for binary encoding of ARM 'adr' instructions referencing constantJim Grosbach
pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120635 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01Remove unused argument.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120621 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01Rename temporary symbols if they conflict with artificial symbols createdRafael Espindola
by the assembler. This was blocking parsing any large .s produced by clang for example. Fixes PR8596. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120603 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01Add correct encodings for STRD and LDRD, including fixup support. ↵Owen Anderson
Additionally, update these to unified syntax. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120589 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01Fix a mised reloc rename spot.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01ARM/MC/ELF relocation "hello world" for movw/movt.Jason W Kim
Lifted adjustFixupValue() from Darwin for sharing w ELF. Test added TODO: refactor ELFObjectWriter::RecordRelocation more. Possibly share more code with Darwin? Lots more relocations... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120534 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29Merge System into Support.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-28Make EmitIntValue non virtual.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120271 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-28Forgot the MCPureStreamer::EmitValue in the previous commit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-28Move EmitValue to MCObjectStreamer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120269 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-28Fixed verson of r120245.Rafael Espindola
Factor some duplicated code into MCObjectStreamer::EmitLabel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120248 91177308-0d34-0410-b5e6-96231b3b80d8
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