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156 Commits

Author SHA1 Message Date
Daniel Dunbar
74c1f1192c MC: Add missing ')' in diagnostic. 
llvm-svn: 114717
 2010-09-24 01:58:56 +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
Rafael Espindola
f667d929ce 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.

llvm-svn: 114027
 2010-09-15 21:48:40 +00:00
Daniel Dunbar
a90e25cc64 MC: Give a (lame) hard error if a .org directive would create an unreasonably 
large object file (> 1GB).

llvm-svn: 113494
 2010-09-09 16:23:33 +00:00
Daniel Dunbar
8e92d9b68d MC/ELF: Allow null values in virtual sections, ELF doesn't use special 
directives for putting contents in .bss, for example.

llvm-svn: 111376
 2010-08-18 18:22:37 +00:00
Matt Fleming
9cecd63b07 Layout helper function. 
Introduce a helper method to add a section to the end of a layout. This
will be used by the ELF ObjectWriter code to add the metadata sections
(symbol table, etc) to the end of an object file.

llvm-svn: 111171
 2010-08-16 18:35:06 +00:00
Matt Fleming
c6beca522c Record a symbol's size which is needed for ELF symbol tables. 
llvm-svn: 111170
 2010-08-16 18:34:31 +00:00
Daniel Dunbar
5dc31317dd MC: Initialize MCFragment::Offset, noticed by Cameron Esfahani. 
llvm-svn: 109875
 2010-07-30 18:32:09 +00:00
Daniel Dunbar
e397dded7b MC: Put back the MCFragment vtable, so subclasses are destroyed properly (duh). 
llvm-svn: 109649
 2010-07-28 20:28:45 +00:00
Reid Kleckner
d85e3c5a86 Initial modifications to MCAssembler and TargetMachine for the MCJIT. 
Patch by Olivier Meurant!

llvm-svn: 109080
 2010-07-22 05:58:53 +00:00
Duncan Sands
a85a90773c The variable ValueSize is set to 1 on both code paths, and then 
ignored!  Remove it.

llvm-svn: 107138
 2010-06-29 13:30:08 +00:00
Daniel Dunbar
aa627c39e4 MC: Simplify MCAssembler::isSymbolLinkerVisible to only take an MCSymbol. 
llvm-svn: 106142
 2010-06-16 20:04:29 +00:00
Dan Gohman
a76715fc88 Don't call flush() at a library level which isn't checking for errors 
and doesn't know where the output is going.

llvm-svn: 105274
 2010-06-01 16:31:34 +00:00
Daniel Dunbar
b889fc987e MC: When running with -mc-relax-all, we can eagerly relax instructions and avoid creating unnecessary MCInstFragments. 
llvm-svn: 104736
 2010-05-26 20:37:03 +00:00
Daniel Dunbar
7c8bd0fc98 MC: Change RelaxInstruction to only take the input and output instructions. 
llvm-svn: 104713
 2010-05-26 18:15:06 +00:00
Daniel Dunbar
a19838e107 MC: Simplify MayNeedRelaxation to not provide the fixups, so we can query it 
before encoding.

llvm-svn: 104707
 2010-05-26 17:45:29 +00:00
Daniel Dunbar
b34440a6a8 MC: Eliminate MCAsmFixup, replace with MCFixup. 
llvm-svn: 104699
 2010-05-26 15:18:56 +00:00
Daniel Dunbar
353a91ff76 MC: Use accessors for access to MCAsmFixup. 
llvm-svn: 104697
 2010-05-26 15:18:31 +00:00
Daniel Dunbar
870e5759e7 MC: Eliminate MCFragment vtable, which was unnecessary. 
llvm-svn: 104689
 2010-05-26 06:50:57 +00:00
Daniel Dunbar
4bce748aa2 MC: Switch to completely lazy layout. 
- The eliminates the last major algorithmic problem with MC.

llvm-svn: 103754
 2010-05-14 00:51:14 +00:00
Daniel Dunbar
9abade1017 MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order. 
llvm-svn: 103753
 2010-05-14 00:37:21 +00:00
Daniel Dunbar
3eedc26e18 MC: Implicitly assign section addresses when the previous fragment is layed out. 
llvm-svn: 103752
 2010-05-14 00:37:17 +00:00
Daniel Dunbar
8f9d2266e6 MC: Switch MCFragment to storing the layout order index, not its index in the file. 
llvm-svn: 103751
 2010-05-14 00:37:14 +00:00
Daniel Dunbar
a99a23b061 MC: Change LayoutSection() to only do the section initializiation. 
Also, elimminate MCAsmLayout::set*, which are no longer needed.

llvm-svn: 103750
 2010-05-14 00:37:11 +00:00
Daniel Dunbar
b9f6ac094a MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile(). 
llvm-svn: 103738
 2010-05-13 20:40:12 +00:00
Daniel Dunbar
454ea716a3 MC: Factor out MCAssembler::ComputeFragmentSize. 
llvm-svn: 103724
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
484c6fc825 MC: Add section layout order indices to MCSectionData. 
llvm-svn: 103715
 2010-05-13 15:17:26 +00:00
Daniel Dunbar
aa8bd69886 MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly. 
llvm-svn: 103711
 2010-05-13 08:43:37 +00:00
Daniel Dunbar
e73353c720 MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout. 
llvm-svn: 103710
 2010-05-13 08:43:34 +00:00
Daniel Dunbar
e8845ef4db MC: Add MCAsmLayout::FragmentReplaced() helper function. 
llvm-svn: 103709
 2010-05-13 08:43:31 +00:00
Daniel Dunbar
5a93253fc8 Fix -Asserts warning. 
llvm-svn: 103697
 2010-05-13 03:50:50 +00:00
Daniel Dunbar
d83889bd87 MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by 
utility functions.

llvm-svn: 103695
 2010-05-13 03:19:50 +00:00
Daniel Dunbar
c7c53ea715 MC: Switch to using explicit MCAlignFragments with OnlyAlignAddress bit instead 
of manually doing padding/editing layout in LayoutSection().
    - This probably seems like six-of-one and half-dozen of another, but there
      is a method to my madness.

llvm-svn: 103693
 2010-05-13 02:34:14 +00:00
Daniel Dunbar
a6780da661 MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment. 
llvm-svn: 103690
 2010-05-13 01:10:26 +00:00
Daniel Dunbar
4dac59dcb7 MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction). 
llvm-svn: 103689
 2010-05-13 01:10:22 +00:00
Daniel Dunbar
b76df22a2e MC: Move MCAlignFragment::EmitNops value out of the constructor. 
llvm-svn: 103665
 2010-05-12 22:56:23 +00:00
Daniel Dunbar
4405ffc688 MC: Eliminate MCZeroFillFragment, it is no longer needed. 
llvm-svn: 103664
 2010-05-12 22:51:38 +00:00
Daniel Dunbar
7cd309f7dc MC: Explicitly check that only virtual fragments appear in virtual sections. 
llvm-svn: 103663
 2010-05-12 22:51:35 +00:00
Daniel Dunbar
597eb48168 MC: Switch MCFillFragment to storing total fill size instead of a count. This allows using ValueSize==0 to represent a virtual fill. 
llvm-svn: 103662
 2010-05-12 22:51:32 +00:00
Daniel Dunbar
51402b79e4 MC: Drop support for alignment in ZeroFill fragment, we can just use 
MCAlignFragments for this.

llvm-svn: 103661
 2010-05-12 22:51:27 +00:00
Daniel Dunbar
7d73564b82 Simplify. 
llvm-svn: 103651
 2010-05-12 21:47:55 +00:00
Daniel Dunbar
a7cc32a7b6 MC: Factor out MCAssembler::LayoutFragment 
llvm-svn: 103649
 2010-05-12 21:35:25 +00:00
Daniel Dunbar
2abec791f1 MC: Tweak section layout to not relying on accumulating address value. 
llvm-svn: 103648
 2010-05-12 21:35:22 +00:00
Daniel Dunbar
a11479eb49 MC: Simplify LayoutSection to just take the index of the section to layout. 
llvm-svn: 103627
 2010-05-12 17:56:47 +00:00
Daniel Dunbar
e02c1f6834 MC: Track section layout order explicitly, and use to simplify. 
llvm-svn: 103616
 2010-05-12 15:42:59 +00:00
Daniel Dunbar
ba2f4c3884 MC/Mach-O/x86_64: Add a new hook for checking whether a particular section can 
be diced into atoms, and adjust getAtom() to take this into account.
 - This fixes relocations to symbols in fixed size literal sections, for
   example.

llvm-svn: 103532
 2010-05-12 00:38:17 +00:00
Daniel Dunbar
3937e28da0 MC/Mach-O x86_64: Switch to using fragment atom symbol. 
- This eliminates getAtomForAddress() (which was a linear search) and
   simplifies getAtom().
 - This also fixes some correctness problems where local labels at the same
   address as non-local labels could be assigned to the wrong atom.

llvm-svn: 103480
 2010-05-11 17:22:50 +00:00
Daniel Dunbar
aadb2cac49 MC/Mach-O: Explicitly track atoms, as represented by their defining symbol, for each fragment (not yet used). 
llvm-svn: 103438
 2010-05-10 22:45:09 +00:00
Daniel Dunbar
ce0c1e11ce llvm-mc: Fix case were we would skip a line in the .s file after an instruction 
match failure.

Also, fixes a few memory leak FIXMEs.

llvm-svn: 102986
 2010-05-04 00:33:07 +00:00
Chris Lattner
2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00