Commit Graph

1010 Commits

Author SHA1 Message Date
Rafael Espindola 800fd3533c Add X86::reloc_global_offset_table and use it to have a single place where
we check for _GLOBAL_OFFSET_TABLE_.

llvm-svn: 117241
2010-10-24 17:35:42 +00:00
Benjamin Kramer 9192e7ab12 Make some symbols static, move classes into anonymous namespaces.
llvm-svn: 117111
2010-10-22 17:35:07 +00:00
Wesley Peck 1851090515 Making the e_machine configurable by the target backend in ELFObjectWriter.
llvm-svn: 117099
2010-10-22 15:52:49 +00:00
Jim Grosbach 90600d3329 Trailing whitespace.
llvm-svn: 117073
2010-10-21 22:04:05 +00:00
Michael J. Spencer 31041a9967 Fix Warnings.
llvm-svn: 117062
2010-10-21 20:49:38 +00:00
Rafael Espindola 8ba86f801d Do not recurse into symbol refs that have a variant kind. This prevents us
from losing the variant when producing a relocation on an alias.

llvm-svn: 117037
2010-10-21 18:00:20 +00:00
Chandler Carruth 1898262a33 Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three
#includes in the process.

llvm-svn: 116919
2010-10-20 08:27:02 +00:00
Rafael Espindola ee8d15157a Small cleanups and fixes in preparation for fixing _GLOBAL_OFFSET_TABLE_.
llvm-svn: 116848
2010-10-19 19:31:37 +00:00
Bill Wendling 5391eb61fb Fix spelling.
llvm-svn: 116804
2010-10-19 10:18:23 +00:00
Chandler Carruth a960cb7181 Move the definition of this to the source file to anchor the vtable.
llvm-svn: 116779
2010-10-19 00:37:30 +00:00
Rafael Espindola fba9f74932 Implement R_386_GOT32.
llvm-svn: 116744
2010-10-18 20:47:21 +00:00
Rafael Espindola 0a5314fdb3 Relocate with .bss instead of using the symbol. Matches gas behavior.
llvm-svn: 116741
2010-10-18 20:25:33 +00:00
Rafael Espindola 3604d4441a Reenable assert.
llvm-svn: 116738
2010-10-18 19:33:01 +00:00
Rafael Espindola e3dc9e2ea1 Produce ELF::R_386_GOTPC relocations.
llvm-svn: 116728
2010-10-18 18:36:12 +00:00
Rafael Espindola 257374bb0f Make the bots happy.
llvm-svn: 116719
2010-10-18 18:03:28 +00:00
Rafael Espindola 3521f8467d Produce a R_386_PLT32 when needed. Moved the default cases of switches to the
start for consistency.

llvm-svn: 116715
2010-10-18 16:58:03 +00:00
Rafael Espindola 4464e0858f Handle GOTOFF correctly on i386.
llvm-svn: 116711
2010-10-18 16:38:04 +00:00
Benjamin Kramer 77414757f6 Fix a typo and silence unused variable warnings in -Asserts build.
llvm-svn: 116685
2010-10-17 07:38:40 +00:00
Rafael Espindola 4262a22225 Add a MCObjectFormat class so that code common to all targets that use a
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
2010-10-16 18:23:53 +00:00
Michael J. Spencer 17990d5690 MC-COFF: Add support for default-null weak externals.
llvm-svn: 116666
2010-10-16 08:25:57 +00:00
Daniel Dunbar 4d99878a37 MC/AsmParser: Report .stabs directive as unsupported.
llvm-svn: 116659
2010-10-16 04:56:42 +00:00
Rafael Espindola 84378f0f53 Refactor alias handling to AliasedSymbol.
llvm-svn: 116600
2010-10-15 18:25:33 +00:00
Rafael Espindola fbcf0db7ee Refactor code a bit and avoid creating unnecessary entries in the string
map.

llvm-svn: 116579
2010-10-15 15:39:06 +00:00
Rafael Espindola bee6e9f8e0 Remove some code duplication.
llvm-svn: 116484
2010-10-14 16:34:44 +00:00
Michael J. Spencer a6a984bd96 MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi!
llvm-svn: 116155
2010-10-09 16:04:45 +00:00
Michael J. Spencer 86bbd71088 MC-COFF: Implement InitSections. Fixes PR8335.
llvm-svn: 116151
2010-10-09 15:44:27 +00:00
Michael J. Spencer c8dbdfd4ba MC-COFF: Add COFFAsmParser. Completes PR8343.
llvm-svn: 116150
2010-10-09 11:01:07 +00:00
Michael J. Spencer 530ce85b3e Fix Whitespace.
llvm-svn: 116149
2010-10-09 11:00:50 +00:00
Michael J. Spencer be52c62a6d MC-COFF: Assert on non-coff sections.
llvm-svn: 116148
2010-10-09 11:00:37 +00:00
Michael J. Spencer 3d89823102 MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for something else.
llvm-svn: 116142
2010-10-09 03:47:55 +00:00
Michael J. Spencer aaf4643a31 MC-COFF: Handle relaxation in COFF better. Fixes PR8321.
llvm-svn: 116013
2010-10-07 23:55:40 +00:00
NAKAMURA Takumi 87002b592e Minor cosmetic change: fix DOSish \r\n.
llvm-svn: 115910
2010-10-07 07:21:04 +00:00
Michael J. Spencer 1666b61357 MC-COFF: Fix symbol aliases. Fixes PR8251.
llvm-svn: 115909
2010-10-07 06:29:33 +00:00
Rafael Espindola 883936ce0b Another case of 256 sections not being enough :-)
llvm-svn: 115858
2010-10-06 22:28:19 +00:00
Rafael Espindola 5f2d6a5cd9 Get binding and visibility info from the the alias, but Type from the symbol
being aliased.

llvm-svn: 115836
2010-10-06 21:02:29 +00:00
Michael J. Spencer e535b01a74 MC: Add missing forward in MCLoggingStreamer.
llvm-svn: 115830
2010-10-06 20:36:47 +00:00
Rafael Espindola d444577382 If a symbol is global, reloc against it even if it is in a mergeable section.
llvm-svn: 115817
2010-10-06 19:27:21 +00:00
Rafael Espindola 83b2a3337f Make sure weak symbols are listed after the local ones.
llvm-svn: 115795
2010-10-06 16:47:31 +00:00
Rafael Espindola 8f3d2c9058 Correctly handle GOTPCREL relocations.
llvm-svn: 115793
2010-10-06 16:23:36 +00:00
Rafael Espindola d7565c3a06 Use a relocation against the symbol if it is a PLT and the symbol is in another
section. Common because of linkonce sections.

llvm-svn: 115718
2010-10-05 23:57:26 +00:00
Rafael Espindola 0ad137e98e Implement more alias cases.
llvm-svn: 115699
2010-10-05 22:26:43 +00:00
Rafael Espindola 3844da781f 256 sections should be enough for anyone...
llvm-svn: 115687
2010-10-05 21:20:07 +00:00
Rafael Espindola c58a37ea51 Don't crash in a strange .size directive.
llvm-svn: 115684
2010-10-05 21:02:45 +00:00
Michael J. Spencer a65d17a5ca Fix Punctuation.
llvm-svn: 115657
2010-10-05 19:48:12 +00:00
Michael J. Spencer a3b34ed2df MC-COFF: Fix (PR8278) temporary symbol relocations.
llvm-svn: 115656
2010-10-05 19:48:03 +00:00
Rafael Espindola b91bac6c96 Add support for a fill value in the .zero directive.
llvm-svn: 115655
2010-10-05 19:42:57 +00:00
Rafael Espindola b1d0789357 Implement a simple alias case and refactor the code a bit so that the
isInSymtab and isLocal logic in the two loops don't get easily out of sync.

llvm-svn: 115643
2010-10-05 18:01:23 +00:00
Rafael Espindola d03e81dba8 Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed.
llvm-svn: 115623
2010-10-05 15:48:37 +00:00
Rafael Espindola bce26a1ee0 On ELF we need to know which symbols are used in relocations to decide if
they should be in the symbol table or not. Instead of "guessing", just compute
the symbol table after the relocations are known.

llvm-svn: 115619
2010-10-05 15:11:03 +00:00
Kevin Enderby a68d004d88 Incorporate suggestions by Daniel Dunbar after his review. Thanks Daniel!
1) Changed ValidateDwarfFileNumber() to isValidDwarfFileNumber() to be better
   named.  Since it is just a predicate and isn't actually changing any state.

2) Added a missing return in the comments for setCurrentDwarfLoc() in 
   include/llvm/MC/MCContext.h for fix formatting.

3) Changed clearDwarfLocSeen() to ClearDwarfLocSeen() since it does change
   state.

4) Simplified the last test in isValidDwarfFileNumber() to just a one line
   boolean test of MCDwarfFiles[FileNumber] != 0 for the final return statement.

llvm-svn: 115551
2010-10-04 20:17:24 +00:00
Rafael Espindola fd1fff8b19 Implement ELF::R_X86_64_GOTPCREL.
llvm-svn: 115547
2010-10-04 19:51:39 +00:00
Rafael Espindola 308363336b Move isFixupKindX86PCRel.
llvm-svn: 115545
2010-10-04 19:46:28 +00:00
Rafael Espindola baadbd554a Produce a R_X86_64_PLT32 when needed.
llvm-svn: 115541
2010-10-04 19:04:13 +00:00
Rafael Espindola b2c4ca6433 Produce a R_X86_64_GOT32 when needed.
llvm-svn: 115537
2010-10-04 18:44:25 +00:00
Jan Wen Voung 87f77b5f9a Add hook in MCSection to decide when to use "optimized nops", for each
section kind. Previously, optimized nops were only used for MachO.
Also added tests for ELF and COFF.

llvm-svn: 115523
2010-10-04 17:32:41 +00:00
Rafael Espindola da0e3d07b2 Include the section address in the computation of the relocation.
llvm-svn: 115509
2010-10-04 15:59:01 +00:00
Rafael Espindola 7c48b06930 Correctly compute the relocation when it is not in the first fragment.
llvm-svn: 115506
2010-10-04 15:28:43 +00:00
Rafael Espindola f70b4e0c2e Implement a very basic PIC case.
llvm-svn: 115454
2010-10-03 00:46:57 +00:00
Kevin Enderby a8d176866d This adds a Darwin x86_64 relocation encoding for a subtraction expression
where both symbols are "local", that is non-external symbols, and there is
no "base" for the symbols used in the expression, that is the section has
no non-temporary symbols.  This case looks like this:

% cat local_reloc_A-B.s
	.long 0
LB:	.long 1
	.long LA - LB - 4
	.long 2
LA:	.long 3

which llvm-mc will not encode without this patch, generates a "unsupported
local relocations in difference" error, but the Darwin assembler will
encode with relocation entries like this:

% otool -rv a.out l.out 
a.out:
Relocation information (__TEXT,__text) 2 entries
address  pcrel length extern type    scattered symbolnum/value
00000008 False long   False  SUB     False     1 (__TEXT,__text)
00000008 False long   False  UNSIGND False     1 (__TEXT,__text)

which is very similar to what is encoded when the symbols don't have the
leading 'L' and they are not temporary symbols.  Which llvm-mc and the
Darwin assembler will encoded like this:

Relocation information (__TEXT,__text) 2 entries
address  pcrel length extern type    scattered symbolnum/value
00000008 False long   True   SUB     False     B
00000008 False long   True   UNSIGND False     A

This is the missing relocation encoding needed to allow the Mach-O x86
Dwarf file and line table to be emitted.  So this patch also removes the
TODO from the if() statement in MCMachOStreamer::Finish() that didn't 
call MCDwarfFileTable::Emit() for 64-bit targets.

llvm-svn: 115389
2010-10-02 00:13:41 +00:00
Rafael Espindola f987d5ea1c Factor some logic into ShouldRelocOnSymbol. This simplifies the code and
fixes some cases where we were producing relocations with at symbol that
should use a section instead.

llvm-svn: 115194
2010-09-30 20:18:35 +00:00
Kevin Enderby e46564a4a8 This is the last major patch to implement support for the .loc directive
and output the dwarf line number tables.  This contains the code to emit and
encode the dwarf line tables from the previously gathered information in the
MCLineSection objects.  This contains all the details to encode the line and
address deltas into the dwarf line table.

To do this an MCDwarfLineAddrFragment has been added.

Also this moves the interface code out of Mach-O streamer into
MCDwarf so it should be useable by other object file formats.

There is now one call to be made from an MCObjectStreamer
EmitInstruction() method:
   MCLineEntry::Make(this, getCurrentSection());
to create a line entry after each instruction is assembled.

And one call call to be made from an MCObjectStreamer Finish() method:
   MCDwarfFileTable::Emit(this, DwarfLineSection);
when getContext().hasDwarfFiles() is true and is passed a object file specific
MCSection where to emit the dwarf file and the line tables.

This appears to now be correct for 32-bit targets, at least x86.  But the
relocation entries for 64-bit Darwin needs some further work which is next
up to work on.  So for now the 64-bit Mach-O target does not output the
dwarf file and line tables.

llvm-svn: 115157
2010-09-30 16:52:03 +00:00
Kevin Enderby dce906c77f Changes EvaluateAsAbsolute() to return the "current value" of the expression
if we are given a Layout object, even in cases when the value is not fixed.
This will be needed by the final patch for the dwarf .loc support to size a
new MCDwarf fragment needed to build and emit dwarf line number tables.

llvm-svn: 115155
2010-09-30 16:42:21 +00:00
Chandler Carruth f44d350614 Silence a GCC warning about not handling all flags in this switch, we
specifically assert on unexpected flags.

llvm-svn: 115143
2010-09-30 10:59:51 +00:00
Jan Wen Voung efbdbe5565 Move logic of determining ELF entsize from the .s printer to initialization
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
2010-09-30 05:59:22 +00:00
Rafael Espindola 70d6e0e0ff Correctly produce R_X86_64_32 or R_X86_64_32S.
With this patch in

movq    $foo, foo(%rip)
foo:
.long   foo

We produce a R_X86_64_32S for the first relocation and R_X86_64_32 for the
second one.

llvm-svn: 115134
2010-09-30 03:11:42 +00:00
Jason W Kim 645f6c2bef Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile()
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
2010-09-30 02:45:56 +00:00
Jan Wen Voung b96b2d8e4d Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when
constructing a section. Test for a few cases also included.

llvm-svn: 115132
2010-09-30 02:41:46 +00:00
Rafael Espindola 2ebaee9c75 Make it possible for the MCObjectWriter to decide if a given fixup is fully
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

llvm-svn: 115131
2010-09-30 02:22:20 +00:00
Jan Wen Voung c768287968 Test commit - Deleted some whitespace at the end of a line.
llvm-svn: 115122
2010-09-30 01:09:20 +00:00
Rafael Espindola 53f0bf194a Move "local commons" to the end of .bss to match the gnu as behavior.
llvm-svn: 115037
2010-09-29 14:52:01 +00:00
Michael J. Spencer 86a6222469 MC-COFF: Fix symbol storage class for globals
llvm-svn: 115020
2010-09-29 03:13:41 +00:00
Chris Lattner b44fd24fc1 change the protocol TargetAsmPArser::MatchInstruction method to take an
MCStreamer to emit into instead of an MCInst to fill in.  This allows the
matcher extra flexibility and is more convenient.

llvm-svn: 115014
2010-09-29 01:42:58 +00:00
Rafael Espindola 01d20a76fe On elf, undefined symbols can start with .L.
llvm-svn: 114958
2010-09-28 16:19:11 +00:00
Rafael Espindola 96bfb50c03 Write relocations in the end of the file. This matches what gas does and
makes files easier to diff.

llvm-svn: 114898
2010-09-27 22:04:54 +00:00
Rafael Espindola 9ca41113f6 Make sure .text doesn't produce extra alignment.
llvm-svn: 114895
2010-09-27 21:40:27 +00:00
Rafael Espindola 9735f4ff8d Factor symbol value computation into a function.
llvm-svn: 114891
2010-09-27 21:23:02 +00:00
Michael J. Spencer ce2e535b19 MC-COFF: Fix signed/unsigned comparison.
llvm-svn: 114888
2010-09-27 21:17:39 +00:00
Daniel Dunbar d116d8a4e9 MC/AsmParser: Handle exponents in floating point literals.
llvm-svn: 114861
2010-09-27 20:12:52 +00:00
Rafael Espindola cceded493f Remove unused argument.
llvm-svn: 114852
2010-09-27 18:13:03 +00:00
Benjamin Kramer c758311025 Push twines deeper into SourceMgr's error handling methods.
llvm-svn: 114847
2010-09-27 17:42:11 +00:00
Michael J. Spencer d628377a2d MC-COFF: Drop empty sections, and label symbols. Convert relocations
targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

llvm-svn: 114823
2010-09-27 08:58:26 +00:00
Rafael Espindola 75d65b9a03 Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put
symbols defined in merge sections in independent atoms.

llvm-svn: 114786
2010-09-25 05:42:19 +00:00
Rafael Espindola cf1f985838 Reapply 114678 and 114667. Reverting them did not fix the bot:
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost/builds/69

llvm-svn: 114761
2010-09-24 21:19:03 +00:00
Rafael Espindola 3843bb9d2c Revert 114678 and 114667 to see if
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost

gets happy.

llvm-svn: 114742
2010-09-24 18:48:08 +00:00
Daniel Dunbar ce17f72c38 MC/AsmParser: Handle a missed case of floating literals in the lexer.
llvm-svn: 114733
2010-09-24 17:10:26 +00:00
Daniel Dunbar 2af1653032 MC/AsmParser: Support .single and .double for embedding floating point literals.
- I believe more modern 'gas' supports a more enhanced set of arithmetic on
   them, but for now the only thing we can do is emit them as data.

llvm-svn: 114719
2010-09-24 01:59:56 +00:00
Daniel Dunbar 3068a93dc1 MC/Lexer: Add 'Real' token type for floating point literals.
llvm-svn: 114718
2010-09-24 01:59:31 +00:00
Daniel Dunbar 74c1f1192c MC: Add missing ')' in diagnostic.
llvm-svn: 114717
2010-09-24 01:58:56 +00:00
Rafael Espindola f458f04eb1 Correctly handle weak undefined symbols. Before we would get a invalid binding
(2 == STB_WEAK | STB_GLOBAL).

llvm-svn: 114690
2010-09-23 19:55:14 +00:00
Rafael Espindola 6366d1b858 Correctly compute the offset of the symbol. Forgot these bits from the
last commit.

llvm-svn: 114678
2010-09-23 18:01:31 +00:00
Rafael Espindola 48e108753b Represent relocations against local symbols as relocations against the section
they are in. Both ways should be equivalent, but gas produces relocations
against the section.

Roman wrote the patch, I added the test.

llvm-svn: 114667
2010-09-23 17:25:18 +00:00
Rafael Espindola 2816588eb9 Fix the FIXME.
llvm-svn: 114639
2010-09-23 14:14:56 +00:00
Sean Callanan 002ad003a3 Fixed a crash in the enhanced disassembler where
because of the lack of a newline, AsmToken::Eof
was being found instead of AsmToken::EndOfStatement.

llvm-svn: 114621
2010-09-23 02:14:12 +00:00
Jim Grosbach 85dcd3d0f4 Add support for ELF PLT references for ARM MC asm printing. Adding a
new VariantKind to the MCSymbolExpr seems like overkill, but I'm not sure
there's a more straightforward way to get the printing difference captured.
(i.e., x86 uses @PLT, ARM uses (PLT)).

llvm-svn: 114613
2010-09-22 23:27:36 +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
Chris Lattner 7bce0596a7 allow target-specific label suffixes, patch by Yuri Gribov!
llvm-svn: 114592
2010-09-22 22:19:53 +00:00
Rafael Espindola 0e527b7ed5 Fix typo and add a FIXME.
llvm-svn: 114570
2010-09-22 19:04:41 +00:00
Jim Grosbach 6ebd728067 grammar tweakage
llvm-svn: 114561
2010-09-22 18:18:30 +00:00
Jim Grosbach 3bde49aa29 remove trailing whitespace
llvm-svn: 114560
2010-09-22 18:16:55 +00:00
Rafael Espindola 9bac6cb544 Correctly align bss.
llvm-svn: 114556
2010-09-22 17:43:04 +00:00
Chris Lattner 2bb9504d1a fix rdar://8456417 - llvm-mc can't do basic math
llvm-svn: 114532
2010-09-22 05:05:16 +00:00
Rafael Espindola 461a692c7f Revert unrelated change that was accidentally included in the previous commit.
llvm-svn: 114383
2010-09-21 00:40:19 +00:00
Rafael Espindola f0591c1642 Implement support for .local and its "interesting" interactions with .comm.
llvm-svn: 114382
2010-09-21 00:24:38 +00:00
Rafael Espindola 32ab4558fe Produce a R_X86_64_32 when the value is >=0.
llvm-svn: 114339
2010-09-20 19:20:47 +00:00
Rafael Espindola 57e599a82a Make sure the STT_FILE symbol is the first one in the symbol table.
llvm-svn: 114285
2010-09-18 15:03:21 +00:00
Rafael Espindola 0ecde03e9f Avoid relocations in a common case.
llvm-svn: 114229
2010-09-17 22:34:41 +00:00
Daniel Dunbar baad46c6ee Fix an MSVC warning.
llvm-svn: 114184
2010-09-17 16:34:24 +00:00
Daniel Dunbar 35a7a0ee2e MC/Mach-O/i386: Fix a crash in relocation handling.
llvm-svn: 114176
2010-09-17 15:21:50 +00:00
Daniel Dunbar 55f16678e4 MC/AsmParser: Add support for 'a + 4@GOTPCREL' and friends, by reconsing the
expression to include the modifier.
 - Gross, but this a corner case we don't expect to see often in practice, but
   it is worth accepting.
 - Also improves diagnostics on invalid modifiers.

llvm-svn: 114154
2010-09-17 02:47:07 +00:00
Rafael Espindola 44bf266111 Print the address of sections as 0 and create the metadata sections in the
same order as gnu as.

llvm-svn: 114109
2010-09-16 19:46:31 +00:00
Rafael Espindola f7f433200b Make sure that names like .note.GNU-stack are accepted as valid section names.
llvm-svn: 114091
2010-09-16 17:05:55 +00:00
Rafael Espindola 922e3f454b Add support for the .zero directive.
llvm-svn: 114077
2010-09-16 15:03:59 +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
Michael J. Spencer 93c9b2ea93 Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally."
This reverts commit r113632

Conflicts:

	cmake/modules/AddLLVM.cmake

llvm-svn: 113819
2010-09-13 23:59:48 +00:00
Rafael Espindola 9fd2ed9243 Factoring and potential bug fix. The elf "flags" cannot be used as masks.
For example, setting STT_OBJECT (1) and STT_FUNC (2), should not produce
a STT_SECTION (3).

llvm-svn: 113759
2010-09-13 17:39:45 +00:00
Rafael Espindola 12d73d1f18 Add support for leb128 of absolute expressions.
llvm-svn: 113691
2010-09-11 16:45:15 +00:00
Chris Lattner a2a9d16b78 fix the asmparser so that the target is responsible for skipping to
the end of the line on a parser error, allowing skipping to happen
for syntactic errors but not for semantic errors.  Before we would
miss emitting a diagnostic about the second line, because we skipped
it due to the semantic error on the first line:

  foo %eax
  bar %al

This fixes rdar://8414033 - llvm-mc ignores lines after an invalid instruction mnemonic errors

llvm-svn: 113688
2010-09-11 16:18:25 +00:00
Michael J. Spencer dc38d36ccb CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally.
llvm-svn: 113632
2010-09-10 21:14:25 +00:00
Daniel Dunbar e5444a88cd llvm-mc: Don't crash when using -n and we see a directive before the initial section.
- This is annoying, because we have to scatter this check everywhere that could emit real data, but I see no better solution.

llvm-svn: 113552
2010-09-09 22:42:59 +00:00
Daniel Dunbar 43325c4a68 llvm-mc: Make sure we exit != 0 if any errors are encountered.
llvm-svn: 113551
2010-09-09 22:42:56 +00:00
Benjamin Kramer 6c3c349b2b MCELF: Write relocation fragments in the right endian.
- This code is gross, but does the job for now.

llvm-svn: 113509
2010-09-09 18:01:29 +00:00
Roman Divacky 3b727f55aa Make ELF OS ABI dependent on the OS from target triple.
llvm-svn: 113508
2010-09-09 17:57:50 +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
Roman Divacky 2ef1a589c5 ELF_STB_Local is 0 so setting and checking it must be done specially
llvm-svn: 113375
2010-09-08 18:08:40 +00:00
Roman Divacky 6c27de28b5 Unresolved weak symbols have value equal zero.
llvm-svn: 113358
2010-09-08 14:29:45 +00:00
Chris Lattner 91689c1d0f change the MC "ParseInstruction" interface to make it the
implementation's job to check for and lex the EndOfStatement
marker.

llvm-svn: 113347
2010-09-08 05:10:46 +00:00
Benjamin Kramer 3723ba1fe0 MCELF: Align symtab, relocation sections and section headers properly. Patch by Krister Wombell.
llvm-svn: 113155
2010-09-06 16:11:52 +00:00
Bill Wendling 78395e4b8a Get rid of "passing signed into unsigned parameter" warning on PPC.
llvm-svn: 112995
2010-09-03 19:09:46 +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 5af02b0360 Allow MCSA_WeakRef in ELF. Patch by Roman Divacky.
llvm-svn: 112834
2010-09-02 17:18:32 +00:00
Devang Patel da3ef85460 Fix .debug_range for linux. Patch by Krister Wombell.
llvm-svn: 112830
2010-09-02 16:43:44 +00:00
Devang Patel ea63639da5 Use absolute label for DW_AT_stmt_list if a target does not prefer offset here.
This patch was developed on top of original patch by Artur Pietrek.

llvm-svn: 112678
2010-08-31 23:50:19 +00:00
Kevin Enderby d94dacf829 This is the second of three patches to implement support for the .loc directive
and output the dwarf line number tables.  This takes the current loc info after
an instruction is assembled and saves the needed info into an object that has
vector and for each section.  These objects will be used for the final patch to 
build and emit the encoded dwarf line number tables.  Again for now this is only
in the Mach-O streamer but at some point will move to a more generic place.

llvm-svn: 112668
2010-08-31 22:55:11 +00:00
Benjamin Kramer 4226198a1d Allow creation of SHT_NULL sections, from Roman Divacky.
llvm-svn: 112605
2010-08-31 17:03:33 +00:00
Benjamin Kramer b1b493bcab MCELF: The value of all common symbols is the offset from the start of the section. Patch by Roman Divacky.
llvm-svn: 112492
2010-08-30 17:20:17 +00:00
Benjamin Kramer 8199447851 The value is offset from the start of the section for non-common symbols, submitted by Jordan Gordeev.
llvm-svn: 112473
2010-08-30 12:00:16 +00:00
Benjamin Kramer f791b9fc56 Index external symbols by symbol table instead of parent section, by Roman Divacky.
llvm-svn: 112472
2010-08-30 11:59:29 +00:00
Benjamin Kramer 6ebea89316 Mark all common symbols external. This is not exactly correct but it lets apps
link for now and can be adjusted later. Patch by Roman Divacky.

llvm-svn: 112471
2010-08-30 11:56:55 +00:00
Chris Lattner 95bb297c26 squish dead code.
llvm-svn: 112350
2010-08-28 03:21:03 +00:00
Benjamin Kramer 1f6012479f MCELF: Port EmitInstruction changes from MachO streamer. Patch by Roman Divacky.
llvm-svn: 112260
2010-08-27 10:40:51 +00:00
Benjamin Kramer 05e22982c8 MCELF: Always overwrite FixedValue.
llvm-svn: 112259
2010-08-27 10:38:39 +00:00
Benjamin Kramer 2c45f431fa MCELF: Fix a thinko of mine.
llvm-svn: 112203
2010-08-26 18:12:04 +00:00
Benjamin Kramer 929cc7618f MCELF: Compensate for the addend on i386. Patch by Roman Divacky, with some cleanups.
llvm-svn: 112197
2010-08-26 17:23:02 +00:00
Benjamin Kramer 37b384cd66 MCELF: Use precomputed symbol indices, patch by Roman Divacky.
llvm-svn: 112079
2010-08-25 20:09:43 +00:00
Michael J. Spencer 237e4ecafb MC: Fix inconsistant naming in COFF object writer. Patch by Cameron Esfahani.
llvm-svn: 112076
2010-08-25 19:27:27 +00:00
Kevin Enderby a71ab07e14 Change the parsing of .loc back to allow the LineNumber field to be optional as
it is with other assemblers.

llvm-svn: 111967
2010-08-24 21:14:47 +00:00
Michael J. Spencer ccd28d0665 Fix COFF x86-64 relocations. PR7960.
Multiple symbol reloc handling part of the patch by Cameron Esfahani.

llvm-svn: 111963
2010-08-24 21:04:52 +00:00
Kevin Enderby 1264b7cab8 First bit of support for the dwarf .loc directive. This patch updates the
needed parsing for the .loc directive and saves the current info from that
into the context.  The next patch will take the current loc info after an
instruction is assembled and save that info into a vector for each section for
use to build the line number tables.  The patch after that will encode the info
from those vectors into the output file as the dwarf line tables.

llvm-svn: 111956
2010-08-24 20:32:42 +00:00
Daniel Dunbar 2476432639 MC/AsmParser: Change ParseExpression to use ParseIdentifier(), to support
dollars in identifiers.

llvm-svn: 111946
2010-08-24 19:13:42 +00:00
Daniel Dunbar 3b96ffdac1 MC/Parser: Accept leading dollar signs in identifiers.
- Implemented by manually splicing the tokens. If this turns out to be
   problematically platform specific, a more elegant solution would be to
   implement some context dependent lexing support.

llvm-svn: 111934
2010-08-24 18:12:12 +00:00
Benjamin Kramer a536f077fe Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky.
llvm-svn: 111925
2010-08-24 17:34:39 +00:00
Chris Lattner 02db8f6415 fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals.
Also fix 0b010 syntax to actually work while we're at it :-)

llvm-svn: 111876
2010-08-24 00:43:25 +00:00
Benjamin Kramer d41b53c037 Fix thinko. Having no tests is great ...
llvm-svn: 111848
2010-08-23 21:32:00 +00:00
Benjamin Kramer c4809c930a Reduce code duplication.
llvm-svn: 111846
2010-08-23 21:23:52 +00:00
Benjamin Kramer 86511dce18 ELFObjectWriter: Run ComputeSymbolTable before recording relocations. This way we can use the information it has computed and don't have to recompute the same stuff over and over again.
llvm-svn: 111844
2010-08-23 21:19:37 +00:00
Benjamin Kramer 40f83489b4 Add the symbol offset to the relocation value when we relocate against section. By Roman Divacky.
llvm-svn: 111824
2010-08-23 19:05:46 +00:00
Benjamin Kramer 620b68e883 Use the proper relocation section + cleanup, from Roman Divacky.
llvm-svn: 111819
2010-08-23 18:24:20 +00:00
Michael J. Spencer db06215b7f Revert part of my last commit. the mingw32 build bot doesn't seem to like it.
llvm-svn: 111793
2010-08-23 05:25:23 +00:00
Michael J. Spencer e87231232a Workaround broken jump tables on x86-64 COFF.
llvm-svn: 111792
2010-08-23 04:45:37 +00:00
Michael J. Spencer 377aa20e6e MC: Add partial x86-64 support to COFF.
llvm-svn: 111728
2010-08-21 05:58:13 +00:00
Benjamin Kramer 448886d5df MCELF: Count the section orders properly. Patch by Roman Divacky.
llvm-svn: 111517
2010-08-19 13:44:49 +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
Benjamin Kramer da7604f53d Remove dead code. Fixes a GCC warning.
llvm-svn: 111271
2010-08-17 19:45:05 +00:00
Benjamin Kramer 1afba421a9 Sketch i386 relocations handling, from Roman Divacky.
Hello world builds & runs now on i386/ELF with -integrated-as.

llvm-svn: 111264
2010-08-17 18:20:28 +00:00
Benjamin Kramer fd0541566b Use the correct entry size for relocation entries, from Roman Divacky.
llvm-svn: 111259
2010-08-17 17:56:13 +00:00
Benjamin Kramer 1fe76565d0 Differentiate between RELA and REL relocations, from Roman Divacky.
llvm-svn: 111252
2010-08-17 17:30:07 +00:00
Benjamin Kramer 896bd7e932 One baby step towards i386 ELF, from Roman Divacky.
llvm-svn: 111247
2010-08-17 17:02:29 +00:00
Benjamin Kramer b962ca0ce5 Try to silence a overeager GCC warning.
llvm-svn: 111214
2010-08-17 00:33:24 +00:00
Benjamin Kramer 5f237942f5 A round of minor cleanups for ELFObjectWriter.
llvm-svn: 111213
2010-08-17 00:00:46 +00:00
Benjamin Kramer be6cca2b7d Silence warnings and simplify code. Eliminate a 32/64 bit portability issue.
llvm-svn: 111201
2010-08-16 23:00:12 +00:00
Eli Friedman 1fe0d53aec Fixes for generation of ELF relocations. Patch by Roman Divacky.
llvm-svn: 111183
2010-08-16 21:17:09 +00:00
Eli Friedman b20b5249d2 Fix a few warnings in and detabify MCELFStreamer and ELFObjectWriter.
llvm-svn: 111175
2010-08-16 19:15:06 +00:00
Matt Fleming 6c1ad4835e Add ELF ObjectWriter and Streamer support.
I forgot to add these files in commit 111172.

llvm-svn: 111174
2010-08-16 18:57:57 +00:00
Matt Fleming d83b927897 Add ELF ObjectWriter and Streamer support.
llvm-svn: 111172
2010-08-16 18:35:43 +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
Chris Lattner 1218ed824d silence a vc2010 warning: " result of 32-bit shift implicitly converted to
64 bits (was 64-bit shift intended?)", pointed out by 'nobled' on llvmdev

llvm-svn: 111148
2010-08-16 16:35:20 +00:00
Daniel Dunbar 2ecc3bb4f7 MC/AsmParser: Push the burdon of emitting diagnostics about unmatched
instructions onto the target specific parser, which can do a better job.

llvm-svn: 110889
2010-08-12 00:55:38 +00:00
Daniel Dunbar 2eca0252c3 llvm-mc: Add -show-inst-operands, for dumping the parsed instruction representation before matching.
llvm-svn: 110791
2010-08-11 06:37:09 +00:00
Daniel Dunbar ebace2248f MCAsmParser: Add dump() hook to MCParsedAsmOperand.
llvm-svn: 110790
2010-08-11 06:37:04 +00:00
Daniel Dunbar d215976208 MC/AsmParser: Fix a bug in macro argument parsing, which was dropping
parentheses from argument lists.

llvm-svn: 110692
2010-08-10 17:38:52 +00:00
Michael J. Spencer 18bf25f189 Revert "MC/MachO: Fix possible null pointer dereference."
This reverts commit 110575.

Target.isAbsolute() is true if SD would be null.

llvm-svn: 110683
2010-08-10 16:00:49 +00:00
Kevin Enderby 7221b76c32 Next bit of support for the dwarf .file directive. This patch takes the
previously collected info from the .file directives and outputs the encoded
bytes for it.  For now this is only in the Mach-O streamer but at some point
will move to a more generic place.

llvm-svn: 110617
2010-08-09 22:52:14 +00:00
Michael J. Spencer 4a5167c836 MC/MachO: Fix possible null pointer dereference.
Discovered by Microsoft Visual Studio 2010 Code Analysis.

llvm-svn: 110575
2010-08-09 15:28:05 +00:00
Michael J. Spencer 54cfd42c33 MC: Fix symbol fragment offsets in COFF.
Patch by Cameron Esfahani!

llvm-svn: 110104
2010-08-03 05:02:46 +00:00
Michael J. Spencer d32764c8a0 Revert "MC: Fix symbol fragment offsets in COFF."
This reverts commit r110100

Wrong path caps.

llvm-svn: 110103
2010-08-03 04:53:28 +00:00
Michael J. Spencer a6cfbeb98c MC: Add time travel support to COFF.
llvm-svn: 110101
2010-08-03 04:43:33 +00:00
Michael J. Spencer cf3d8b4ec4 MC: Fix symbol fragment offsets in COFF.
Patch by Cameron Esfahani!

llvm-svn: 110100
2010-08-03 04:43:24 +00:00
Daniel Dunbar 727be43a3d Silence some -Asserts uninitialized variable warnings.
llvm-svn: 109956
2010-07-31 21:08:54 +00:00
Michael J. Spencer 6b4925e223 Add relax all support to the COFF object streamer.
llvm-svn: 109947
2010-07-31 06:22:29 +00:00
Daniel Dunbar 5dc31317dd MC: Initialize MCFragment::Offset, noticed by Cameron Esfahani.
llvm-svn: 109875
2010-07-30 18:32:09 +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
Benjamin Kramer bccfec653d Stop leaking std::strings in GetDwarfFile.
llvm-svn: 109746
2010-07-29 13:53:19 +00:00
Benjamin Kramer c2997dde85 COFFObjectWriter: Don't leak COFFSymbols and COFFSections.
llvm-svn: 109745
2010-07-29 11:57:59 +00:00
Daniel Dunbar b759a13da8 MC: Destroy Macro instances.
llvm-svn: 109720
2010-07-29 01:51:55 +00:00
Kevin Enderby e5930f142a Added first bit of support for the dwarf .file directive. This patch collects
the info from the .file directive and makes file and directory tables that
will eventually be put out as part of the dwarf info in the output file.

llvm-svn: 109651
2010-07-28 20:55:35 +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
Douglas Gregor 675b162512 Fix format-specifier warning
llvm-svn: 109391
2010-07-26 03:55:44 +00:00
Michael J. Spencer c21293792e MC: Fix whitespace error from last commit.
A Visual C++ extension that removes trailing new lines? Seriously?

llvm-svn: 109390
2010-07-26 03:01:28 +00:00
Michael J. Spencer b5fc138547 MC: Add WinCOFFObjectWriter implementation.
Origonal Windows COFF implementation by Nathan Jedffords.

llvm-svn: 109389
2010-07-26 02:17:32 +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
Matt Fleming a8f6c1cc26 Add some more handlers for ELF section directives.
llvm-svn: 108928
2010-07-20 21:12:46 +00:00
Owen Anderson 14d74d649a Let's get those buildbots green: #include is needed in the header, not just the implementation.
llvm-svn: 108912
2010-07-20 20:16:11 +00:00
Chris Lattner 073660336c apparently also missing an include.
llvm-svn: 108908
2010-07-20 20:06:19 +00:00
Chris Lattner 4e8e93f142 this is in System
llvm-svn: 108895
2010-07-20 19:54:01 +00:00
Chris Lattner 6faea9668f turn this into a normal header.
llvm-svn: 108891
2010-07-20 19:43:19 +00:00
Chris Lattner 55cdb62dd0 hopefully heal the linux builders
llvm-svn: 108890
2010-07-20 19:40:51 +00:00
Chris Lattner 91773ea9b2 there is no reason to dynamically generate a static header.
llvm-svn: 108887
2010-07-20 18:59:58 +00:00
Chris Lattner 7e52a45f8a drop edinfo.inc into the objdir for src!=objdir builds.
llvm-svn: 108886
2010-07-20 18:53:27 +00:00
Eric Christopher 529989b8b6 Update header.
llvm-svn: 108883
2010-07-20 18:46:43 +00:00
Chris Lattner 79d68ddda8 hopefully teach cmake to build the .inc file.
llvm-svn: 108874
2010-07-20 18:33:21 +00:00
Chris Lattner 6219596ff6 cmake too
llvm-svn: 108872
2010-07-20 18:30:37 +00:00
Chris Lattner 3a14721829 forgot to add a file
llvm-svn: 108870
2010-07-20 18:29:50 +00:00
Chris Lattner 979634bbb0 start straightening out libedis's dependencies and make it fit
better in the llvm world.  Among other things, this changes:

1. The guts of libedis are now moved into lib/MC/MCDisassembler
2. llvm-mc now depends on lib/MC/MCDisassembler, not tools/edis,
   so edis and mc don't have to be built in series.
3. lib/MC/MCDisassembler no longer depends on the C api, the C
   API depends on it.
4. Various code cleanup changes. 

There is still a lot to be done to make edis fit with the llvm
design, but this is an incremental step in the right direction.

llvm-svn: 108869
2010-07-20 18:25:19 +00:00
Daniel Dunbar 6b4391aa69 MC/Mach-O: Silently ignore .file directives instead of error'ing out on
them. They aren't important enough to abort the entire assembly, and failing
early makes testing more annoying.

llvm-svn: 108747
2010-07-19 20:44:20 +00:00
Michael J. Spencer 2ed9f4bd39 _[A-Z] identifiers are reserved for the implementation.
llvm-svn: 108682
2010-07-19 06:26:19 +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 eefe8616be TblGen/AsmMatcher: Add support for honoring instruction Requires<[]> attributes as part of the matcher.
- Currently includes a hack to limit ourselves to "In32BitMode" and "In64BitMode", because we don't have the other infrastructure to properly deal with setting SSE, etc. features on X86.

llvm-svn: 108677
2010-07-19 05:44:09 +00:00
Eli Friedman 20b026464e Make .align parse correctly on platforms where .align is measured in bytes.
llvm-svn: 108674
2010-07-19 04:17:25 +00:00
Daniel Dunbar 8897d479b5 MC/AsmParser: Stop playing unsafe member function pointer calls, this isn't
portable enough.
 - Downside is we now double dispatch through a stub function, but this isn't
   performance critical.

llvm-svn: 108661
2010-07-18 22:22:07 +00:00
Daniel Dunbar 40a564f09f MC/AsmParser: Fix .abort and .secure_log_unique to accept arbitrary token
sequences, not just strings.

llvm-svn: 108655
2010-07-18 20:15:59 +00:00
Daniel Dunbar 6fb1c3ad8a MC/AsmParser: Add macro argument substitution support.
llvm-svn: 108654
2010-07-18 19:00:10 +00:00
Daniel Dunbar 4323571efb MC/AsmParser: Add basic support for macro instantiation.
llvm-svn: 108653
2010-07-18 18:54:11 +00:00
Daniel Dunbar c1f58ec83c MC/AsmParser: Add basic parsing support for .macro definitions.
llvm-svn: 108652
2010-07-18 18:47:21 +00:00
Daniel Dunbar 828984ff4e MC/AsmParser: Add .macros_{off,on} support, not that makes sense since we don't
support macros.

llvm-svn: 108649
2010-07-18 18:38:02 +00:00
Daniel Dunbar d8a1845c31 MC/AsmParser: Use Error() instead of calling PrintMessage() directly.
llvm-svn: 108648
2010-07-18 18:31:45 +00:00
Daniel Dunbar ba6e354b61 MC/AsmParser: Fix TokError() to accept a Twine.
llvm-svn: 108647
2010-07-18 18:31:42 +00:00
Daniel Dunbar 2a2c6cf5f9 MC/AsmParser: Hide the AsmParser implementation.
llvm-svn: 108646
2010-07-18 18:31:38 +00:00
Eli Friedman 9de5967244 Start of .sleb128/.uleb128 parsing support.
llvm-svn: 108612
2010-07-17 06:27:28 +00:00
Eli Friedman 9e36dd001a Work-in-progress parsing for ELF .section directive.
llvm-svn: 108609
2010-07-17 04:29:04 +00:00
Eli Friedman 56178a07bf Add support for parsing .size directives for ELF.
llvm-svn: 108606
2010-07-17 03:09:18 +00:00
Daniel Dunbar 01e3607d70 MC/AsmParser: Lift Run() and TargetParser to base class.
Also, add constructor function for creating AsmParser instances.

llvm-svn: 108604
2010-07-17 02:26:10 +00:00
Chris Lattner c2b3675f8b fix indentation and 80 cols
llvm-svn: 108460
2010-07-15 21:19:31 +00:00
Benjamin Kramer 92d8998348 Don't pass StringRef by reference.
llvm-svn: 108366
2010-07-14 22:38:02 +00:00
Daniel Dunbar ab058b83e0 MC/AsmParser: Move ELF specific parser to ELFAsmParser.cpp.
llvm-svn: 108196
2010-07-12 21:23:32 +00:00
Daniel Dunbar 0cb91cfc74 MC/AsmParser: Move Darwin specific parse to DarwinAsmParser.cpp.
llvm-svn: 108193
2010-07-12 20:51:51 +00:00
Daniel Dunbar a5bf6b6001 MC/AsmParser: Move .section parsing to Darwin specific parser.
llvm-svn: 108190
2010-07-12 20:42:34 +00:00
Daniel Dunbar aa59cf2686 MC/AsmParser: Move special section directive parsing to Darwin specific parser.
llvm-svn: 108187
2010-07-12 20:23:36 +00:00
Daniel Dunbar 80be44a2ac MC/AsmParser: Add a basic ELFAsmParser extension.
llvm-svn: 108185
2010-07-12 20:08:04 +00:00
Daniel Dunbar 101c14c940 MC/AsmParser: Inline AsmParser::CreateSymbol into callers.
llvm-svn: 108183
2010-07-12 19:52:10 +00:00
Daniel Dunbar d388c93f87 MC/AsmParser: Move .tbss and .zerofill parsing to Darwin specific parser.
llvm-svn: 108180
2010-07-12 19:37:35 +00:00
Daniel Dunbar 63a379dd5c MC/AsmParser: Move .desc parsing to Darwin specific parser.
llvm-svn: 108179
2010-07-12 19:22:53 +00:00
Daniel Dunbar b992f1a95b MC/AsmParser: Move .lsym parsing to Darwin specific parser.
llvm-svn: 108176
2010-07-12 19:08:25 +00:00
Daniel Dunbar ae9da1481a MC/AsmParser: Move some misc. Darwin directive handling to DarwinAsmParser.
llvm-svn: 108174
2010-07-12 18:49:22 +00:00
Daniel Dunbar c5011088cd MC/AsmParser: Add a DarwinAsmParser extension.
- Currently initialization is a bit of a hack, but harmless. We need to rework
   various parts of target initialization to clean this up.

llvm-svn: 108165
2010-07-12 18:12:02 +00:00
Daniel Dunbar dd41dcf270 MC/AsmParser: Switch a bunch of directive parsing to use accessors.
llvm-svn: 108163
2010-07-12 18:03:11 +00:00
Daniel Dunbar 86033407c9 MCAsmParser: Pull some directive handling out into a helper class, and change
DirectiveMap to be based on MCAsmParserExtension.

llvm-svn: 108161
2010-07-12 17:54:38 +00:00
Daniel Dunbar cc21af1dfb MC/AsmParser: Switch some directive parsing to use accessor methods.
llvm-svn: 108160
2010-07-12 17:45:27 +00:00
Daniel Dunbar af3d1de891 MC: Add MCAsmParserExtension, a base class for all the target/object specific
classes which want to extend the basic asm parser.

llvm-svn: 108158
2010-07-12 17:27:45 +00:00
Daniel Dunbar 4be8f2ffad MC: Move AsmParser::TokError to MCAsmParser().
llvm-svn: 108155
2010-07-12 17:18:45 +00:00
Daniel Dunbar 4042c33cd8 MC: Move getLoc() to MCAsmLexer().
llvm-svn: 108154
2010-07-12 17:10:00 +00:00
Duncan Sands 41b4a6b36a Convert some tab stops into spaces.
llvm-svn: 108130
2010-07-12 08:16:59 +00:00
Chris Lattner 2c52b7997c introduce WinCOFFObjectWriter, patch by Michael Spencer!
llvm-svn: 108103
2010-07-11 22:07:02 +00:00
Chris Lattner 56725be9ef introduce WinCOFFStreamer.cpp, patch by Michael Spencer!
llvm-svn: 108102
2010-07-11 22:05:00 +00:00
Kevin Enderby ea9207cd7a Revert some unneeded parts of the change in r107886 for the
.weak_def_can_be_hidden directive.  Chris pointed out that the MCAsmInfo.h/.cpp
chunks aren't needed for this until the compiler starts generating these.  And
when that happens it will be more convenient for it to be a bool than a const
char*.

llvm-svn: 107906
2010-07-08 20:30:44 +00:00
Kevin Enderby 082d0fd7ad Added the darwin .weak_def_can_be_hidden directive.
llvm-svn: 107886
2010-07-08 17:22:42 +00:00
Chris Lattner 05ea2a4791 finish up support for callw: PR7195
llvm-svn: 107826
2010-07-07 22:35:13 +00:00
Daniel Dunbar 0e980755d3 MC: Fix some stray hunks I didn't intend to commit.
llvm-svn: 107428
2010-07-01 20:48:51 +00:00
Daniel Dunbar 02877d6e85 MC: Pass the target instance to the AsmParser constructor.
llvm-svn: 107426
2010-07-01 20:41:56 +00:00
Daniel Dunbar 0aa4365e47 MC: Fix an error message.
llvm-svn: 107424
2010-07-01 20:20:01 +00:00
Daniel Dunbar 329d202362 MC: Move COFF enumeration constants to llvm/Support/COFF.h, patch by Michael
Spencer!

llvm-svn: 107418
2010-07-01 20:07:24 +00:00
Bill Wendling 3632171750 Revert r107205 and r107207.
llvm-svn: 107215
2010-06-29 22:34:52 +00:00
Bill Wendling 1767723dbe Introducing the "linker_weak" linkage type. This will be used for Objective-C
metadata types which should be marked as "weak", but which the linker will
remove upon final linkage. For example, the "objc_msgSend_fixup_alloc" symbol is
defined like this:

       .globl l_objc_msgSend_fixup_alloc
       .weak_definition l_objc_msgSend_fixup_alloc
       .section __DATA, __objc_msgrefs, coalesced
       .align 3
l_objc_msgSend_fixup_alloc:
        .quad   _objc_msgSend_fixup
        .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

llvm-svn: 107205
2010-06-29 21:24:00 +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
Duncan Sands 1245e4c07d The variable "Value" is carefully set to Layout.getSymbolAddress,
but then not actually used - maybe a bug?  Remove the variable.

llvm-svn: 107137
2010-06-29 13:26:33 +00:00
Duncan Sands 5667a08468 Remove unused calls to Lexer.getLoc and the pointless variable HasFillExpr.
llvm-svn: 107136
2010-06-29 13:24:40 +00:00
Kevin Enderby e233dda2e2 Added the darwin .secure_log_unique and .secure_log_reset directives.
llvm-svn: 107077
2010-06-28 21:45:58 +00:00
Eric Christopher 7f85520644 Get the addend correct for i386 pic.
Thanks Daniel!

llvm-svn: 106608
2010-06-22 23:51:47 +00:00
Chris Lattner 79d2075e4a "This is just a cosmetic change in MCAsmStreamer.cpp/EmitSymbolAttribute: all attributes have now a \t before and after, as done for '.type'.
This makes the output look consistent, as well as help some third party assemblers expecting the attributes to be in the second column."

Patch by Arnaud de Grandmaison!

llvm-svn: 106469
2010-06-21 20:35:01 +00:00
Eric Christopher 93f16372f9 Update comment.
llvm-svn: 106191
2010-06-17 00:49:46 +00:00
Eric Christopher 74892d4f1f In progress on 32-bit addends.
llvm-svn: 106154
2010-06-16 21:32:38 +00:00
Daniel Dunbar ede8e6d2f0 MC/Mach-O: Rewrite atom association to be a final pass we do in Finish(), instead of tracking as part of emission.
- This allows sharing more code with the MCObjectStreamer.

llvm-svn: 106143
2010-06-16 20:04:32 +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
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
Eric Christopher 2092dc2acd Fix indentation.
llvm-svn: 106072
2010-06-16 00:26:36 +00:00
Eric Christopher a86c2bdd2c Some more work on mach-o TLV relocations.
llvm-svn: 106062
2010-06-15 22:59:05 +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
Eric Christopher eaddfac539 Rearrange conditionals so we don't get caught with the correct type as wrong.
llvm-svn: 104793
2010-05-27 00:52:31 +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 9d40ef162b MC/Mach-O: Factor out EmitInstTo{Fragment,Data} for emitting MCInst's as MCInstFragments or appending onto an MCDataFragment.
llvm-svn: 104735
2010-05-26 20:37:00 +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 388ff9b1a2 MC: Eliminate an unnecessary copy.
llvm-svn: 104709
2010-05-26 17:50:16 +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 3627af5da4 MC: Change MCInst::dump_pretty to not include a trailing newline.
llvm-svn: 104696
2010-05-26 15:18:13 +00:00
Daniel Dunbar 870e5759e7 MC: Eliminate MCFragment vtable, which was unnecessary.
llvm-svn: 104689
2010-05-26 06:50:57 +00:00
Eric Christopher e7b64dcc1e Start adding mach-o tls reloc support.
llvm-svn: 104651
2010-05-26 00:02:12 +00:00
Daniel Dunbar 6738a2e39e llvm-mc: Use EmitIntValue where possible, which makes the API calls from the AsmParser and CodeGen line up better.
llvm-svn: 104467
2010-05-23 18:36:38 +00:00
Daniel Dunbar 8271d1bb4a llvm-mc: Use AddBlankLine in asm parser. This makes transliteration match the input much more closely, and also makes the API calls from the AsmParser and CodeGen line up better.
llvm-svn: 104466
2010-05-23 18:36:34 +00:00
Daniel Dunbar 3ff1a06de6 MC: Add an MCLoggingStreamer, for use in debugging integrated-as mismatches.
llvm-svn: 104463
2010-05-23 17:44:06 +00:00
Eric Christopher 09d47031b1 Expand on comment.
llvm-svn: 104396
2010-05-21 23:03:53 +00:00
Eric Christopher 3dca28d0e2 Fix section attribute name.
llvm-svn: 104381
2010-05-21 21:08:52 +00:00
Matt Fleming ec9d6faef0 Add support for parsing the ELF .type assembler directive.
llvm-svn: 104316
2010-05-21 11:36:59 +00:00
Matt Fleming 141791c6d1 Grammar fix. This is a test commit.
llvm-svn: 104264
2010-05-20 19:45:09 +00:00
Benjamin Kramer 7c3e230cd1 Reduce string trashing.
llvm-svn: 104223
2010-05-20 14:14:22 +00:00
Eric Christopher 27e7ffc7d4 Partial code for emitting thread local bss data.
llvm-svn: 104197
2010-05-20 00:49:07 +00:00
Chris Lattner 7cbfa4462f fix rdar://7986634 - match instruction opcodes case insensitively.
llvm-svn: 104183
2010-05-19 23:34:33 +00:00
Eric Christopher feedc90c57 Implement EmitTBSSSymbol for MachOStreamer.
Fixes build failure as well.

llvm-svn: 104059
2010-05-18 21:26:41 +00:00