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378 Commits

Author SHA1 Message Date
Kevin Enderby 7f99302dc9 This is a patch to the assembler frontend to detect when aligning a text 
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment().  This allows x86 assembly code to be aligned
with optimal nops.

llvm-svn: 97158
 2010-02-25 18:46:04 +00:00
Kevin Enderby c26ddccf38 This is the second patch to allow x86 code to be aligned with optimal nops. 
With the compiler changed to use EmitCodeAlignment() it does change the
functionality.  But X86 assembly code assembled with llvm-mc does not change
its output.  For that we will eventually change the assembler frontend to
detect a '.align x, 0x90' when used in a section that 'hasInstructions' and use
EmitCodeAlignment, but will wait until we have better target hooks.

llvm-svn: 96988
 2010-02-23 21:41:24 +00:00
Chris Lattner eebaf6a76f genericize MCAsmStreamer::EmitCodeAlignment to support other targets 
so that it doesn't break them when the code generator starts using it.

llvm-svn: 96966
 2010-02-23 18:44:31 +00:00
Kevin Enderby e83d74f626 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).

llvm-svn: 96963
 2010-02-23 18:26:34 +00:00
Daniel Dunbar 5fe3129a5d MC/Mach-O: Remove non-sensical comment, and add a missing AddValueSymbols call. 
llvm-svn: 96809
 2010-02-22 22:08:57 +00:00
Daniel Dunbar 40eb7f0991 MC/X86: Add stub AsmBackend. 
llvm-svn: 96763
 2010-02-21 21:54:14 +00:00
Daniel Dunbar 3bea9bfa04 MC: Sketch registry support for target specific assembler backends. 
llvm-svn: 96762
 2010-02-21 21:53:53 +00:00
Daniel Dunbar 1d7179ad63 MC/Mach-O: Update fixup values for change to X86 offsets. 
llvm-svn: 96532
 2010-02-17 23:45:16 +00:00
Duncan Sands fe562b6598 Pacify gcc-4.5, which warns (correctly) that these switches have 
cases that are not part of the enum.

llvm-svn: 96477
 2010-02-17 14:52:22 +00:00
Daniel Dunbar 8408c126c1 MCAssembler: Fix pcrel relocations. Oh and, 
--
ddunbar@ozzy:tmp$ clang -m32 -integrated-as hello.c && ./a.out
hello world!
--

llvm-svn: 96096
 2010-02-13 09:45:59 +00:00
Daniel Dunbar 1e2fad3de8 MC/Mach-O: Start emitting fixups/relocations for instructions. 
llvm-svn: 96095
 2010-02-13 09:29:02 +00:00
Daniel Dunbar 3374835b46 MCAssembler: Switch MCAsmFixup to storing MCFixupKind instead of just a size. 
llvm-svn: 96094
 2010-02-13 09:28:54 +00:00
Daniel Dunbar 97867a9cfc MCAssembler: Sink fixup list into MCDataFragment. 
llvm-svn: 96093
 2010-02-13 09:28:43 +00:00
Daniel Dunbar 056bc60336 MCAssembler: Switch MCFillFragment to only taking constant values. Symbolic expressions can always be emitted as data + fixups. 
llvm-svn: 96092
 2010-02-13 09:28:32 +00:00
Daniel Dunbar 1a1fbb50fc MC/Mach-O: Implement EmitValue using data fragments + fixups instead of fill fragment. 
llvm-svn: 96091
 2010-02-13 09:28:22 +00:00
Daniel Dunbar 8e53203154 MCAssembler: Start applying fixups in the data section. 
llvm-svn: 96090
 2010-02-13 09:28:15 +00:00
Daniel Dunbar bedf1d4a41 MCAssembler: Add assorted dump() methods. 
llvm-svn: 96089
 2010-02-13 09:28:03 +00:00
Daniel Dunbar d0c6d361fe MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'. 
llvm-svn: 96064
 2010-02-13 01:28:07 +00:00
Chris Lattner 524138176d add a new MCInstPrinter::getOpcodeName interface, when it is 
implemented, llvm-mc --show-inst now uses it to print the
instruction opcode as well as the number.

llvm-svn: 95929
 2010-02-11 22:39:10 +00:00
Daniel Dunbar 1d34759721 MC: Move assembler-backend's fixup list into the fragment. 
llvm-svn: 95926
 2010-02-11 21:29:46 +00:00
Daniel Dunbar ee82e763e6 MC: Move MCSectionData::Fixup out to MCAsmFixup. 
llvm-svn: 95925
 2010-02-11 21:29:29 +00:00
Chris Lattner ddeceae839 make getFixupKindInfo return a const reference, allowing 
the tables to be const.  Teach MCCodeEmitter to handle
the target-indep kinds so that we don't crash on them.

llvm-svn: 95924
 2010-02-11 21:27:18 +00:00
Daniel Dunbar 605474463f MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the 
MCInst it came from.

llvm-svn: 95767
 2010-02-10 04:47:08 +00:00
Daniel Dunbar 75c9a4eeae llvm-mc: Remove --show-fixups and always show as part of --show-encoding. 
Also, fix a silly memory leak.

llvm-svn: 95752
 2010-02-10 01:41:14 +00:00
Chris Lattner 69920c5c8a daniel *really* likes fixups! 
llvm-svn: 95742
 2010-02-10 01:05:28 +00:00
Chris Lattner 482bf69bfe Add ability for MCInstPrinters to add comments for instructions. 
Enhance the x86 backend to show the hex values of immediates in
comments when they are large.  For example:

        movl    $1072693248, 4(%esp)    ## imm = 0x3FF00000

llvm-svn: 95728
 2010-02-10 00:10:18 +00:00
Daniel Dunbar 9a0a46163d llvm-mc: Add --show-fixups option, for displaying the instruction fixup information in the asm comments. 
llvm-svn: 95710
 2010-02-09 23:00:14 +00:00
Daniel Dunbar b311a6b3ae MC: First cut at MCFixup, for getting fixup/relocation information out of an MCCodeEmitter. 
llvm-svn: 95708
 2010-02-09 22:59:55 +00:00
Chris Lattner 89261502cb make -show-inst be formatted a bit nicer. Before: 
movl	$3735928559, a          ## inst: <MCInst 1273 <MCOperand Reg:0> <MCOperand Imm:1> <MCOperand Reg:0> <MCOperand Expr:(a)> <MCOperand Reg:0> <MCOperand Expr:(3735928559)>>

after:

	movl	$3735928559, a          ## <MCInst #1273
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Imm:1>
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Expr:(a)>
                                        ##   <MCOperand Reg:0>
                                        ##   <MCOperand Expr:(3735928559)>>

llvm-svn: 95637
 2010-02-09 00:54:51 +00:00
Dan Gohman 9a9d9ea7bc Document that MCExpr::Mod is actually remainder. 
Document that MCExpr::Div, Mod, and the comparison operators are all
signed operators.

Document that the comparison operators' results are target-dependent.

Document that the behavior of shr is target-dependent.

llvm-svn: 95619
 2010-02-08 23:58:47 +00:00
Chris Lattner 54d88f1759 don't make hte dtor private or we can't construct the class. 
llvm-svn: 95587
 2010-02-08 22:07:36 +00:00
Chris Lattner 38d022efe9 add scaffolding for target-specific MCExprs. 
llvm-svn: 95559
 2010-02-08 19:41:07 +00:00
Chris Lattner 175629608e print encodings like this: 
pslld	69, %mm3                ## encoding: [0x0f,0xf2,0x1c,0x25,0x45,0x00,0x00,0x00]

instead of like this:
	pslld	69, %mm3                ## encoding: [0x0f,0xf2,0x1c,0x25,0x45,0000,0000,0000]

this only affects 0.

llvm-svn: 95441
 2010-02-05 22:20:08 +00:00
Daniel Dunbar 675ae27e37 MC: Change default comment column to 40 characters. 
llvm-svn: 95378
 2010-02-05 07:32:18 +00:00
Dan Gohman 77fe07a93a Use a tab instead of space after .type, for consistency. 
llvm-svn: 95272
 2010-02-04 01:42:13 +00:00
Daniel Dunbar e3ee332fe0 llvm-mc: Add --show-inst option, for showing the MCInst inline with the assembly 
output.

llvm-svn: 95227
 2010-02-03 18:18:30 +00:00
Chris Lattner 44f7325de5 print instruction encodings with the existing comment facilities, 
so that llvm-mc -show-encoding prints like this:

	hlt                                                 ## encoding: [0xf4]

instead of like this:

	hlt
                     # encoding: [0xf4]

llvm-svn: 95207
 2010-02-03 06:28:13 +00:00
Chris Lattner b0d44c3807 refactor code so that LLVMTargetMachine creates the asmstreamer and 
mccontext instead of having AsmPrinter do it.  This allows other 
types of MCStreamer's to be passed in.

llvm-svn: 95155
 2010-02-02 23:37:42 +00:00
Daniel Dunbar 255a8c8b13 MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections. 
llvm-svn: 95135
 2010-02-02 21:44:01 +00:00
Chris Lattner 809ae81ff9 Add a new top-level MachO.h file for manifest constants, fixing 
a layering violation from MC -> Target.

llvm-svn: 95113
 2010-02-02 19:38:14 +00:00
Chris Lattner fc2e376a15 use EmitLinkage for functions as well as globals. One output 
change is that we now use ".linkonce discard" for global variables
instead of ".linkonce samesize".  These should be the same, just less
strict.  If anyone is interested in mcizing MCSection for COFF targets,
this should be easy to fix.

llvm-svn: 94623
 2010-01-26 23:51:52 +00:00
Chris Lattner ff234e09b9 Eliminate SetDirective, and replace it with HasSetDirective. 
Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.

llvm-svn: 94585
 2010-01-26 20:40:54 +00:00
Rafael Espindola dcb03f0f6b Emit .comm alignment in bytes but .align in powers of 2 for ARM ELF. 
Original patch by Sandeep Patel and updated by me.

llvm-svn: 94582
 2010-01-26 20:21:43 +00:00
Chris Lattner 3dd38a8112 eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform 
that has it.

llvm-svn: 94581
 2010-01-26 20:20:43 +00:00
Chris Lattner 3cde760023 mcstreamerize gprel32 emission. 
llvm-svn: 94452
 2010-01-25 21:28:50 +00:00
Chris Lattner 19bd039896 rename MAI::PICJumpTableDirective to MAI::GPRel32Directive to 
make it clear what it is, instead of how it is used.

llvm-svn: 94448
 2010-01-25 21:10:10 +00:00
Chris Lattner ccabcd7f85 remove JumpTableDirective, it is always null. 
llvm-svn: 94445
 2010-01-25 20:52:54 +00:00
Chris Lattner d45adf28de wirte up .file and .file to the mc asmparser. 
llvm-svn: 94438
 2010-01-25 19:02:58 +00:00
Chris Lattner 601ef33c77 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.

llvm-svn: 94437
 2010-01-25 18:58:59 +00:00
Chris Lattner bc696445e1 emit ELF .type directives through MCStreamer instead of doing it textually. 
llvm-svn: 94436
 2010-01-25 18:33:40 +00:00
Chris Lattner bc8f638531 add symbol attribute support for the ELF .type directive. 
llvm-svn: 94435
 2010-01-25 18:30:45 +00:00
Chris Lattner 91dac6d570 emit the .size directive for global variables on ELF through 
mcstreamer.

llvm-svn: 94416
 2010-01-25 07:52:13 +00:00
Chris Lattner 0375d2fbe7 all supported target now have aligned common support. 
llvm-svn: 94413
 2010-01-25 07:29:13 +00:00
Chris Lattner 9f7667e4ad coff targets support alignment on .comm 
llvm-svn: 94410
 2010-01-25 07:20:44 +00:00
Chris Lattner 823aed16f9 make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 
llvm-svn: 94378
 2010-01-24 20:43:08 +00:00
Chris Lattner 807a3bcbbb fix a parsing problem on instructions like: 
movw	$8, (_cost_table_-L97$pb)+66(%eax)

After the parens, we could still have a binop.

llvm-svn: 94345
 2010-01-24 01:07:33 +00:00
Chris Lattner b1301f7bce mcize lcomm, simplify .comm, extend both to support 64-bit sizes. 
llvm-svn: 94299
 2010-01-23 07:47:02 +00:00
Chris Lattner 76bdea3290 resolve a fixme: the "nonexecutable stack directive" is actually 
a .section.  Switch to it with SwitchSection.

However, I think that this directive should be safe on any ELF target.
If so, we should hoist it up out of the X86 and SystemZ targets.

llvm-svn: 94298
 2010-01-23 07:21:06 +00:00
Chris Lattner 0bfd279b37 mcize visibility directives. 
llvm-svn: 94295
 2010-01-23 06:53:23 +00:00
Chris Lattner 685508cf49 move the various directive enums out of the MCStreamer class 
into a new MCDirectives.h file.

llvm-svn: 94294
 2010-01-23 06:39:22 +00:00
Chris Lattner 1deb09c28d mcstreamerize .no_dead_strip and .reference for static ctors/dtors. 
llvm-svn: 94290
 2010-01-23 05:51:36 +00:00
Chris Lattner 4225a7b987 mcize jump table and constant pool entry labels, .local on elf, 
and some .weak directives.

llvm-svn: 94284
 2010-01-23 05:19:23 +00:00
Chris Lattner ded9af63bb teach MCAsmStreamer::EmitBytes to use .ascii and .asciz 
llvm-svn: 94259
 2010-01-23 00:15:00 +00:00
Chris Lattner 1386a88c95 Changes to fix buffering that I forgot to commit with previous patch. 
llvm-svn: 94222
 2010-01-22 21:16:10 +00:00
Chris Lattner a3eee3cb69 Convert some more random-comment-printing stuff to use 
AddComment and GetCommentOS.  Add a blank line between globals
(even in non-verbose mode) to make the assembly more readable.

llvm-svn: 94202
 2010-01-22 19:52:01 +00:00
Chris Lattner 8fa0e35f97 add a new MCAsmStreamer::GetCommentOS method to simplify stuff 
that doesn't want to use twines.

llvm-svn: 94199
 2010-01-22 19:17:48 +00:00
Chris Lattner e1d8a319a1 rename addComment -> AddComment for consistency. 
llvm-svn: 94190
 2010-01-22 18:21:35 +00:00
Benjamin Kramer 94b993ed8a Simplify some uses of str(n)cmp with StringRef. 
llvm-svn: 94189
 2010-01-22 18:21:23 +00:00
Chris Lattner cfa5ebc336 add comment support to the rest of the directives. 
llvm-svn: 94168
 2010-01-22 07:36:39 +00:00
Chris Lattner e649401824 stop using strtoll, it gives windows heartburn. 
llvm-svn: 94167
 2010-01-22 07:34:12 +00:00
Chris Lattner 38e9219f71 Add the ability for MCStreamer to emit comments on the same line as directives. 
Switch over the asm-verbose comment for double values to use it.  We now get:

_x:
	.long	343597384                                   ## double 1.231200e+02
	.long	1079953326

For example, note that the comment is on the same line as the .long.  Woo.

llvm-svn: 94166
 2010-01-22 07:29:22 +00:00
Chris Lattner 0522eb2160 pass "-fasm-verbose" into createAsmStreamer. 
llvm-svn: 94165
 2010-01-22 07:06:15 +00:00
Chris Lattner 7ba0661f27 Stop building RTTI information for *most* llvm libraries. Notable 
missing ones are libsupport, libsystem and libvmcore.  libvmcore is
currently blocked on bugpoint, which uses EH.  Once it stops using
EH, we can switch it off.

This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.

llvm-svn: 94164
 2010-01-22 06:49:46 +00:00
Chris Lattner 5b0e01c54e move some files out of the llvm-mc tool into the MCParser library so 
other tools can link it.

llvm-svn: 94131
 2010-01-22 01:58:08 +00:00
Chris Lattner 9a184b368b forgot to svn add these, doh. 
llvm-svn: 94130
 2010-01-22 01:55:10 +00:00
Chris Lattner 00646cfbd4 create a new MCParser library and move some stuff into it. 
llvm-svn: 94129
 2010-01-22 01:44:57 +00:00
Chris Lattner 1edfeb2c46 don't forget to initialize an instance variable! 
llvm-svn: 94021
 2010-01-20 20:48:59 +00:00
Chris Lattner 9fc980403e use getGlobalDirective(), don't hardcode .globl. PR6093 
llvm-svn: 94006
 2010-01-20 17:50:30 +00:00
Chris Lattner 45eeffcc2a make mcasmstreamer handle expanding 8 byte integer constants to 
4-byte constants if .quad isn't supported.  Switch a bunch of
methods used by the dwarf writer to use OutStreamer.EmitIntValue.

llvm-svn: 93987
 2010-01-20 06:45:39 +00:00
Chris Lattner 38caaf14c1 give createAsmStreamer an 'isLittleEndian' argument. 
llvm-svn: 93986
 2010-01-20 06:39:07 +00:00
Chris Lattner 2b4364fe03 revert 93934, removing the MCAsmInfo endianness bit. I can't 
stomache MCAsmInfo having this, and I found a better solution to
this layering issue.

llvm-svn: 93985
 2010-01-20 06:34:14 +00:00
Chris Lattner 003b5c8472 give MCAsmInfo a 'has little endian' bit. This is unfortunate, but 
I really want clients of the streamer to be able to say "emit this
64-bit integer" and have it get broken down right by the streamer.

I may change this in the future, we'll see how it works out.

llvm-svn: 93934
 2010-01-19 22:42:28 +00:00
Chris Lattner dc50e5d128 add a new EmitIntValue method that MCStreamer impls can optionally define 
and that clients can use.

llvm-svn: 93923
 2010-01-19 22:03:38 +00:00
Sean Callanan 936b0d3144 Promoted the getTok() method to MCAsmParser so that 
the two token accessor functions are declared consistently.
Modified the clients of MCAsmParser to reflect this change.

llvm-svn: 93916
 2010-01-19 21:44:56 +00:00
Chris Lattner c35681b298 Generalize mcasmstreamer data emission APIs to take an address space 
identifier.  There is no way to work around it.

llvm-svn: 93896
 2010-01-19 19:46:13 +00:00
Chris Lattner ed89f60f5e mcstreamerize AsmPrinter::EmitZeros, at least when emitting to the 
default address space.

llvm-svn: 93890
 2010-01-19 18:58:52 +00:00
Chris Lattner 4340cb3246 add an MCAsmStreamer::EmitFill specialization of EmitFill that 
emits one directive instead of N.  Not doing this would be a
significant regression on the # bytes generated by .fill.

llvm-svn: 93889
 2010-01-19 18:52:28 +00:00
Chris Lattner 0c65fd4902 add a "MCStreamer::EmitFill" method, and move the default implementation 
(which just iteratively emits bytes) to MCStreamer.

llvm-svn: 93888
 2010-01-19 18:45:47 +00:00
Chris Lattner 9c31b0c695 remove MAI::ZeroDirectiveSuffix, which is only used by MASM, 
which we don't support anymore.

llvm-svn: 93886
 2010-01-19 18:37:01 +00:00
Chris Lattner cd2915e467 stop using the .lcomm pseudoop on darwin, instead, directly use the 
.zerofill directive.  Streamerize its generation.

llvm-svn: 93868
 2010-01-19 06:25:51 +00:00
Chris Lattner 95b98959b0 mc'ize some stuff, don't comment out .lcomm directive in -fverbose-asm mode. 
llvm-svn: 93860
 2010-01-19 06:01:04 +00:00
Chris Lattner b1f2934fc7 hookize the cygwin ".linkonce" directive. 
llvm-svn: 93855
 2010-01-19 05:08:13 +00:00
Chris Lattner dccbb28bca add a bool for whether .lcomm takes an alignment instead of basing this on "isdarwin". 
llvm-svn: 93852
 2010-01-19 04:48:20 +00:00
Chris Lattner e9d28b19cf move production of .reference directives for static ctor/dtor list on 
darwin into common code.

llvm-svn: 93849
 2010-01-19 04:34:02 +00:00
Chris Lattner 1d371882b6 Cleanup handling of .zerofill on darwin: 
1. TargetLoweringObjectFileMachO should decide if something
   goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
   the right MCSection, the asmprinters should just emit to the
   right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
   MAI can have a bool "haszerofill" instead of having the textual
   directive to emit.

llvm-svn: 93838
 2010-01-19 02:09:44 +00:00
Nate Begeman e945172ba4 Remove this fixme, looking at the linker source, all targets pad to 4 bytes. 
llvm-svn: 93835
 2010-01-19 01:32:44 +00:00
Chris Lattner c8f7717808 remove the MAI argument to MCExpr::print and switch overthing to use << when printing them. 
llvm-svn: 93699
 2010-01-18 00:37:40 +00:00
Chris Lattner 8b5d55ed06 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
 2010-01-17 21:43:43 +00:00
Chris Lattner 043e656797 rename NameNeedsEscaping -> NameNeedsQuoting, eliminate the check 
for first character which is a digit, mangler would have taken care
of this already.

llvm-svn: 93694
 2010-01-17 20:11:03 +00:00
Chris Lattner 83e872e1c4 Get MCSymbol out of the mangling business, and move all the logic 
to Mangler.  Now MCSymbol just decides whether to slap quotes around
a symbol when printing it.

This also fixes some weirdness where two MCSymbols could be created
for the same symbol, if one needed to be mangled and got mangled to
the other one.

llvm-svn: 93690
 2010-01-17 19:23:46 +00:00
Nate Begeman 660d979ad9 Add a note for the macho streamer and remove a used of the mangler from the soon to be defunct machowriter pass. 
llvm-svn: 93670
 2010-01-17 03:49:01 +00:00
Chris Lattner 18bcf30497 unbreak the build, grr symlinks. 
llvm-svn: 93539
 2010-01-15 19:51:05 +00:00
Chris Lattner 528d00b913 extend MCAsmParser::ParseExpression and ParseParenExpression 
to return range information for subexpressions.  Use this to
provide range info for several new X86Operands.

llvm-svn: 93534
 2010-01-15 19:28:38 +00:00
Chris Lattner b9d1f5a006 tidy 
llvm-svn: 93352
 2010-01-13 21:21:29 +00:00
Chris Lattner 8361006264 expose a static function as a static method on the MCSymbol class. 
llvm-svn: 93350
 2010-01-13 21:09:59 +00:00
David Greene 7b42d7067e Change errs() to dbgs(). 
llvm-svn: 92635
 2010-01-05 01:28:22 +00:00
David Greene ac7f537d57 Change errs() to dbgs(). 
llvm-svn: 92634
 2010-01-05 01:28:17 +00:00
David Greene cdf0452ed2 Change errs() to dbgs(). 
llvm-svn: 92632
 2010-01-05 01:28:10 +00:00
David Greene a8cbfb8acc Change errs() to dbgs(). 
llvm-svn: 92630
 2010-01-05 01:28:07 +00:00
Daniel Dunbar ad36e8aceb Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Chandler Carruth 56869f22c4 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Chris Lattner 86dfd73c38 add a twine version of MCContext::GetOrCreateSymbol. 
llvm-svn: 84561
 2009-10-19 22:49:00 +00:00
Daniel Dunbar 5d9134747b MC: Set symbol values in MachO MCStreamer. 
llvm-svn: 84236
 2009-10-16 01:58:23 +00:00
Daniel Dunbar e024def785 Minor formatting tweaks. 
llvm-svn: 84235
 2009-10-16 01:58:15 +00:00
Daniel Dunbar 8e6d889d4c MC: Switch assembler API to using MCExpr instead of MCValue. 
llvm-svn: 84234
 2009-10-16 01:58:03 +00:00
Daniel Dunbar c3bd60e393 MC: Remove unneeded context argument to MCExpr::Evaluate*. 
llvm-svn: 84233
 2009-10-16 01:57:52 +00:00
Daniel Dunbar 5f339244fb MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

llvm-svn: 84232
 2009-10-16 01:57:39 +00:00
Daniel Dunbar d20cda028a MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

llvm-svn: 84230
 2009-10-16 01:34:54 +00:00
Daniel Dunbar 17b9027b5c MC: Move assembler variable values from MCContext to MCSymbol. 
llvm-svn: 84229
 2009-10-16 01:33:57 +00:00
Daniel Dunbar 584a1b25ef MC: Switch MCContext value table to storing MCExprs. 
llvm-svn: 84228
 2009-10-16 01:33:11 +00:00
Kevin Enderby 818b6b96cb Fixed MCSectionMachO::ParseSectionSpecifier to allow an attribute of "none" so 
that a symbol stub section with no attributes can be parsed as in:
.section __TEXT,__picsymbolstub4,symbol_stubs,none,16

llvm-svn: 83488
 2009-10-07 20:57:20 +00:00
Edward O'Callaghan 50d75a6099 No newline at end of files. 
llvm-svn: 83318
 2009-10-05 18:43:19 +00:00
Chris Lattner a15f0044a0 eliminate a use of strtoul. 
llvm-svn: 82382
 2009-09-20 06:58:54 +00:00
Anton Korobeynikov 592638ae05 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning 
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

llvm-svn: 82227
 2009-09-18 16:57:42 +00:00
Chris Lattner b866602f06 Big change #1 for personality function references: 
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.

To replace their functionality, add a new 
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.

The default implementation just returns the symbol.  The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub.  The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.

DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another 
horrible hack from DwarfException.cpp:

-    if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
-      O << "-" << MAI->getPCSymbol();

llvm-svn: 81991
 2009-09-16 01:46:41 +00:00
Chris Lattner 6a833f6806 add a helper method for creating MCSymbol and MCSymbolRefExpr at 
the same time.

llvm-svn: 81984
 2009-09-16 01:26:31 +00:00
Chris Lattner 2251293788 remove some horrible MAI hooks which fortunately turn out to be always empty. 
llvm-svn: 81946
 2009-09-15 23:11:32 +00:00
Daniel Dunbar 813efa2551 Update CMake. 
llvm-svn: 81757
 2009-09-14 05:22:47 +00:00
Chris Lattner 11b2fc9ea4 Change MCAsmStreamer to take an MCInstPrinter instead of a 
full AsmPrinter, and change TargetRegistry to keep track
of registered MCInstPrinters.

llvm-mc is still linking in the entire
target foo to get the code emitter stuff, but this is an
important step in the right direction.

llvm-svn: 81754
 2009-09-14 03:02:37 +00:00
Chris Lattner de57d8e72b add a new MCInstPrinter class, move the (trivial) MCDisassmbler ctor inline. 
llvm-svn: 81745
 2009-09-14 01:43:38 +00:00
Chris Lattner a4760f3642 'printMCInst' doesn't print newlines after instructions anymore. 
llvm-svn: 81723
 2009-09-13 22:24:34 +00:00
Chris Lattner d940dd5801 remove MAI::JumpTableSpecialLabelPrefix now that MAI 
has real information about linker private linkage.

llvm-svn: 81695
 2009-09-13 19:02:16 +00:00
Chris Lattner de79e4fc2e fix MCSymbol printing on darwin to exactly match the mangler (handling of \n and " in a symbol name). 
llvm-svn: 81683
 2009-09-13 18:11:09 +00:00
Chris Lattner 3d6c8ebb58 Make the MC symbol printer and llvm::Mangler exactly agree on mangling 
for systems that don't support quoting (PR4966).

llvm-svn: 81682
 2009-09-13 18:04:46 +00:00
Chris Lattner 5090e6c4a7 eliminate the "MBBLabel" MCOperand type, and just use a MCSymbol for 
MBB labels like everything else.

llvm-svn: 81628
 2009-09-12 20:45:03 +00:00
Ted Kremenek c74e09f654 Update CMake files. 
llvm-svn: 81577
 2009-09-11 21:49:45 +00:00
Chris Lattner d747a9f21f canonicalize namespace gymnastics 
llvm-svn: 81402
 2009-09-09 23:46:42 +00:00
Sean Callanan 1358fb7feb Added an abstract superclass, MCDisassembler, for 
all disassemblers.

Modified the MemoryObject to support 64-bit address
spaces, regardless of the LLVM process's address
width.

Modified the Target class to allow extraction of a
MCDisassembler.

llvm-svn: 81392
 2009-09-09 22:49:13 +00:00
Chris Lattner cada1c1012 allow @ in symbol names without quoting the identifier. This 
allows things like @PLT without quotes.

llvm-svn: 81296
 2009-09-09 00:14:09 +00:00
Chris Lattner 22833a3cd6 parenthesize symbol names that start with $, fixing X86/dollar-name.ll with 
the new asmprinter.

llvm-svn: 81269
 2009-09-08 23:20:50 +00:00
Chris Lattner 7975b8fc32 Print "X-42" instead of "X+-42". 
llvm-svn: 81203
 2009-09-08 06:37:35 +00:00
Chris Lattner 3cfc551f6e make formatting of expressions more closely match the existing asmprinter. 
llvm-svn: 81202
 2009-09-08 06:34:07 +00:00
Chris Lattner a0020be758 tidy whitespace. 
llvm-svn: 81201
 2009-09-08 06:27:48 +00:00
Chris Lattner 1945453843 fix MCSymbol printing to exactly match the normal mangler rules so 
we can diff .s files.

llvm-svn: 80894
 2009-09-03 05:57:47 +00:00
Chris Lattner f4366a3998 Thread an MCAsmInfo pointer through the various MC printing APIs, 
and fix a few things using << on MCSymbols to use ->print(). No
functionality change other than unbreaking my previous patch.

llvm-svn: 80890
 2009-09-03 05:46:51 +00:00
Chris Lattner 1800dff44e inline insertion operators. 
llvm-svn: 80888
 2009-09-03 05:33:01 +00:00
Chris Lattner f16a122213 output alignment value in hex so that we get: 
.align 3, 0x90
instead of,
  .align 3, 144

suggested by eric.

llvm-svn: 80875
 2009-09-03 04:01:10 +00:00
Daniel Dunbar 4fa0595b94 llvm-mc: Store MCSymbolData value as a pointer (to make MSVC happy). 
llvm-svn: 80652
 2009-09-01 04:09:03 +00:00
Daniel Dunbar 897ffadd2d llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues. 
llvm-svn: 80578
 2009-08-31 08:09:28 +00:00
Daniel Dunbar b7b2097aac llvm-mc: Simplify EmitAssignment ('.set' is identical to '='). 
llvm-svn: 80577
 2009-08-31 08:09:09 +00:00