2dc287a147
More malloc elimination: it's a bad idea to use raw_svector_ostream on a
...
small heap-allocated SmallString because it unconditionally forces a malloc.
llvm-svn: 129688
2011-04-18 05:38:58 +00:00
0e40208d7b
Make the StringMaps attached to MCContext use the MCContext's allocator;
...
reduces the number of calls to malloc().
llvm-svn: 129687
2011-04-18 05:02:31 +00:00
0ab5e2cded
Fix a ton of comment typos found by codespell. Patch by
...
Luis Felipe Strano Moraes!
llvm-svn: 129558
2011-04-15 05:18:47 +00:00
539d96f01d
Be consistent about being virtual and returning void in the cfi methods.
...
Implement the ones that were missing in the asm streamer.
llvm-svn: 129413
2011-04-12 23:59:07 +00:00
fd794affe5
Remove LastOffset from the asm parser.
...
llvm-svn: 129378
2011-04-12 18:53:30 +00:00
1ec0f46169
Fix the case of a .cfi_rel_offset before any .cfi_def_cfa_offset.
...
llvm-svn: 129362
2011-04-12 16:12:03 +00:00
2e1c9d2188
Implement .cfi_same_value.
...
llvm-svn: 129361
2011-04-12 15:31:05 +00:00
ffc0e1f6e6
Match case for invalid constant error messages and add a new
...
test for invalid hexadecimals.
llvm-svn: 129326
2011-04-12 00:18:03 +00:00
104af0619e
To avoid printing out multiple error messages for cases like:
...
.long 80+08
go ahead and assume that if we've got an Error token that we handled it
already. Otherwise if it's a token we can't handle then go ahead and
return the default error.
llvm-svn: 129322
2011-04-12 00:03:13 +00:00
64749f2a89
Lex, and then fail on invalid constants.
...
Testcase forthcoming.
rdar://8490596
llvm-svn: 129309
2011-04-11 22:24:56 +00:00
82065cb6cf
Implement cfi_rel_offset
...
llvm-svn: 129306
2011-04-11 21:49:50 +00:00
ffd2e5163b
implement .cfi_adjust_cfa_offset.
...
llvm-svn: 129296
2011-04-11 20:29:16 +00:00
9377a52c12
Adding support for printing operands symbolically to llvm's public 'C'
...
disassembler API. Hooked this up to the ARM target so such tools as Darwin's
otool(1) can now print things like branch targets for example this:
blx _puts
instead of this:
blx #-36
And even print the expression encoded in the Mach-O relocation entried for
things like this:
movt r0, :upper16:((_foo-_bar)+1234)
llvm-svn: 129284
2011-04-11 18:08:50 +00:00
26e7768f38
Fix potential buffer overflow on win32.
...
llvm-svn: 129214
2011-04-09 14:06:12 +00:00
2b6c96b43d
Don't store Twine temporaries, it's not safe.
...
And don't append the name over and over again in the loop.
llvm-svn: 129210
2011-04-09 11:26:27 +00:00
1426351c83
Redirected errors from the AsmParser to the proper
...
error stream, in cases where the AsmParser is
being invoked by EDDisassembler. Before, they
were being sent to errs() because no error handler
was installed in the SourceMgr.
llvm-svn: 129177
2011-04-09 00:37:25 +00:00
b80875edee
Micro optimization and improved similarity with gas' output:
...
When two section names share a suffix, reuse the entry in shstrtab.
llvm-svn: 129115
2011-04-07 23:21:52 +00:00
88bc341061
Add support for .skip.
...
Patch by Roman Divacky.
Fixes PR9361.
llvm-svn: 129106
2011-04-07 20:26:23 +00:00
6c6be946fc
Fixed a bug where missing EDInstInfo would cause
...
tokenization to crash and burn.
llvm-svn: 129051
2011-04-07 01:56:01 +00:00
e59f8ca49e
An MCDisassembler has the option to not implement
...
getEDInfo(), in which case this code would dereference
NULL. EDInst can already handle NULL info, so avoid
the dereference and pass NULL through.
Reviewed by Sean Callanan
llvm-svn: 128904
2011-04-05 18:40:45 +00:00
5bbe957155
Added support symbolic floating point constants in the MC assembler for Infinity
...
and Nans with the same strings as GAS supports. rdar://8673024
llvm-svn: 128488
2011-03-29 21:11:52 +00:00
3cf622a832
Fix the MSVC build.
...
llvm-svn: 128441
2011-03-29 00:30:01 +00:00
4ee0d03274
MC: Add support for disabling "temporary label" behavior. Useful for debugging
...
on Darwin.
llvm-svn: 128430
2011-03-28 22:49:15 +00:00
2d45693446
Unbreak CMake build.
...
llvm-svn: 128426
2011-03-28 20:43:53 +00:00
f3070dc40d
Again adding a C API to the disassembler for use by such tools as Darwin's
...
otool(1), this time with the needed fix for case sensitive file systems :) .
This is a work in progress as the interface for producing symbolic operands is
not done. But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer. These APIs will be
moved into a dynamic library at some point.
llvm-svn: 128415
2011-03-28 18:25:07 +00:00
af66980d8a
Fix whitespace.
...
llvm-svn: 128370
2011-03-27 01:44:40 +00:00
d077a857cc
Remove the files for r128308 as it is causing a buildbot failure.
...
llvm-svn: 128309
2011-03-26 00:23:05 +00:00
c8b4078654
Adding a C API to the disassembler for use by such tools as Darwin's otool(1).
...
This is a work in progress as the interface for producing symbolic operands is
not done. But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer. These APIs will be
moved into a dynamic library at some point.
llvm-svn: 128308
2011-03-26 00:06:33 +00:00
6f4c9425eb
MC: Improve some diagnostics on uses of '.' pseudo-symbol.
...
llvm-svn: 128289
2011-03-25 17:47:17 +00:00
3f56104be1
Tidyness.
...
llvm-svn: 128288
2011-03-25 17:47:14 +00:00
f170f8bff6
Add asm parsing support w/ testcases for strex/ldrex family of instructions
...
llvm-svn: 128236
2011-03-24 21:04:58 +00:00
a3df87fb01
Clean up assembly statement separator support.
...
The MC asm lexer wasn't honoring a non-default (anything but ';') statement
separator. Fix that, and generalize a bit to support multi-character
statement separators.
llvm-svn: 128227
2011-03-24 18:46:34 +00:00
ab234158b8
Fix a bug introduced by my patch yesterday: BL is a 4-byte instructions like BLX, rather than a 2-byte instruction like B.
...
llvm-svn: 128169
2011-03-23 21:19:56 +00:00
6149a34102
RIT_ARM_ThumbBranch32Bit relocations are not used and should never be generated.
...
This fixes kimwitu++, bullet, and tramp3dv4 with the ARM integrated assembler.
Fixes <rdar://problem/9165738>.
llvm-svn: 128117
2011-03-22 22:52:54 +00:00
9746286bec
Add support for Thumb interworking addresses for symbol offsets that get constant folded very early.
...
This fixes SPASS with -integrated-as. <rdar://problem/9165399>
llvm-svn: 128037
2011-03-21 23:13:43 +00:00
00f0cddfd4
We need to pass the TargetMachine object to the InstPrinter if we are printing
...
the alias of an InstAlias instead of the thing being aliased. Because we need to
know the features that are valid for an InstAlias.
This is part of a work-in-progress.
llvm-svn: 127986
2011-03-21 04:13:46 +00:00
1557fd6d39
Write the section table and the section data in the same order that
...
gun as does. This makes it a lot easier to compare the output of both
as the addresses are now a lot closer.
llvm-svn: 127972
2011-03-20 18:44:20 +00:00
12d5312622
Reapply 127939 since Daniel fixed the breakage. <rdar://problem/9012638>
...
llvm-svn: 127944
2011-03-19 02:42:31 +00:00
08b4daa191
Revert 127939. <rdar://problem/9012638>
...
llvm-svn: 127943
2011-03-19 02:33:56 +00:00
83d4a28d1f
Revise r126127 to address Daniel's comments. <rdar://problem/9012638>
...
llvm-svn: 127939
2011-03-19 01:32:01 +00:00
f1d62cfc8f
MC/Mach-O: Fix regression introduced in r126127, this assignment shouldn't have
...
been removed.
llvm-svn: 127812
2011-03-17 16:25:24 +00:00
07de07eeea
Fix handling of @IDNTPOFF relocations, they need to get STT_TLS.
...
While here, add VK_ARM_TPOFF and VK_ARM_GOTTPOFF, too.
llvm-svn: 127780
2011-03-17 00:35:10 +00:00
c2631d26c0
Silence compiler warning about case values not being in the enumerated type
...
MCFixupKind. This is the same technique that is used elsewhere in MC.
llvm-svn: 127676
2011-03-15 08:54:51 +00:00
47f660aeaf
Fixed the comparison operator for the enhanced
...
disassembler's disassembler map.
llvm-svn: 127527
2011-03-12 03:27:54 +00:00
745fc89f62
Add constructors to MCElfStreamer and MCObjectStreamer to take an extra MCAssembler * argument.
...
llvm-svn: 127343
2011-03-09 17:33:05 +00:00
14be61aeee
Darwin 'as' silently ignores the '.ident' directive.
...
llvm-svn: 127258
2011-03-08 19:17:19 +00:00
e7410dd0d5
Preliminary support for ARM frame save directives emission via MI flags.
...
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.
llvm-svn: 127101
2011-03-05 18:43:32 +00:00
a7ec2dcefd
Some first rudimentary support for ARM EHABI: print exception table in "text mode".
...
llvm-svn: 127099
2011-03-05 18:43:15 +00:00
62f759791a
Be nice to Xcore and the XMOS assembler and avoid quoting section names
...
that contain only letters, digits and the characters "_" and ".".
llvm-svn: 127028
2011-03-04 20:03:14 +00:00
852ab890b5
Bug#9033: For the ELF assembler output, always quote the section name.
...
llvm-svn: 126963
2011-03-03 22:31:08 +00:00
771911e28b
Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that other components can use them.
...
llvm-svn: 126942
2011-03-03 14:52:12 +00:00
d92d17bf67
PR9352: Always emit a relocation for weak symbols. Not emitting relocations
...
for calls to weak symbols with a definition has the appearance of working
with LLVM-generated code because weak symbol definitions are put in their
own sections.
llvm-svn: 126933
2011-03-03 07:24:36 +00:00
98a3c80a3e
Fixes warnings emitted by Visual Studio 2010 compiler.
...
Patch by Erik Olofsson!
llvm-svn: 126796
2011-03-01 23:11:57 +00:00
30a52dec93
Make all static functions become static class methods. Move shared (duplicated) functions to new MCELF class.
...
llvm-svn: 126686
2011-02-28 21:45:04 +00:00
fcf51fd298
Roll out r126425 and r126450 to see if it fixes the failures on the buildbots.
...
llvm-svn: 126488
2011-02-25 16:30:32 +00:00
afb36fad99
Restore r125595 (reverted in r126336) with modifications:
...
Introduce a variable in the AsmParserExtension whether [] is valid in an
expression. If it is true, parse them like (). Enable this for ELF only.
llvm-svn: 126443
2011-02-24 21:59:22 +00:00
b037383a35
Enable DebugInfo support for COFF object files.
...
Patch by Nathan Jeffords!
llvm-svn: 126425
2011-02-24 21:04:00 +00:00
c053644217
Plug some leaks in edis.
...
- Don't leak parsed operands during tokenization.
- Don't leak printed insts in llvm-mc.
llvm-svn: 126381
2011-02-24 11:03:19 +00:00
0c03a3a146
Revert r125595, which is an X86-only undocumented assembly syntax extension
...
enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.
Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.
llvm-svn: 126336
2011-02-23 21:26:51 +00:00
9e18e96264
Put in the symbol table symbols only used in a .globl statement.
...
Fixes PR9292.
llvm-svn: 126330
2011-02-23 20:22:07 +00:00
34770edf43
Fixed a bug in the enhanced disassembler that caused
...
it to ignore valid uses of FS and GS as additional
base registers in address computations. Added a test
case for this.
llvm-svn: 126302
2011-02-23 03:31:28 +00:00
bf83659d11
Omit private_extern declarations of extern symbols; followup to
...
r124468. Patch by Rafael Avila de Espindola!
llvm-svn: 126297
2011-02-23 02:27:05 +00:00
4f864d3111
Bug#9172: Don't use static in file scope, use an attribute on the
...
parser.
llvm-svn: 126225
2011-02-22 16:53:11 +00:00
37d5484d18
Handle FK_PCRel_1 and add a test case for this and FK_PCRel_4.
...
llvm-svn: 126157
2011-02-21 23:25:41 +00:00
d7927e0fcd
End the line if we return early. Radar 9012638.
...
llvm-svn: 126141
2011-02-21 21:07:07 +00:00
b4863a41e9
Fix to correctly support attribute((section("__DATA, __common"))).
...
Radar 9012638.
llvm-svn: 126127
2011-02-21 17:27:17 +00:00
eef2f9009d
Use a vector of pairs to implement the section stack, not two
...
independent vectors.
llvm-svn: 126099
2011-02-21 01:07:42 +00:00
f849bf81bd
Add some limited support for labels in org directives. Hopefully enough to fix
...
PR9245.
llvm-svn: 126091
2011-02-20 20:20:07 +00:00
5ed962656c
Move library stuff out of the toplevel CMakeLists.txt file.
...
llvm-svn: 125968
2011-02-18 22:06:14 +00:00
490d02a334
Gas is very inconsistent about when a relaxation/relocation is needed. Do
...
the right thing and stop trying to copy it. Fixes PR8944.
llvm-svn: 125648
2011-02-16 03:25:55 +00:00
58ac6e1677
Add support for pushsection and popsection. Patch by Joerg Sonnenberger.
...
llvm-svn: 125629
2011-02-16 01:08:29 +00:00
4e0f4957bc
Add support for parsing [expr].
...
This is submitted by Joerg Sonnenberger and fixes his PR8685.
llvm-svn: 125595
2011-02-15 20:43:39 +00:00
70d8015063
Switch llvm to using comdats. For now always use groups with a single
...
section.
llvm-svn: 125526
2011-02-14 22:23:49 +00:00
85bc995c5b
Move broken HasCommonSymbols to ELFWriter.cpp.
...
llvm-svn: 125490
2011-02-14 16:51:08 +00:00
01af6c4641
More whitespace cleanup...
...
llvm-svn: 125388
2011-02-11 19:05:56 +00:00
fd3e83953f
Fix comparator used for looking up previously instantiated EDDisassemblers.
...
Now, Syntax is only used as a tie-breaker if the Arch
matches. Previously, a request for x86_64 disassembler followed by the
i386 disassembler in a single process would return the cached x86_64
disassembler. Fixes <rdar://problem/8958982>
llvm-svn: 125215
2011-02-09 21:03:19 +00:00
7b7caf51e9
Support for .ifdef / .ifndef in the assembler parser. Patch by Joerg Sonnenberger.
...
llvm-svn: 125120
2011-02-08 22:29:56 +00:00
202630c6ee
Teach ARM/MC/ELF about gcc compatible reloc output to get past odd linkage
...
failures with relocations.
The code committed is a first cut at compatibility for emitted relocations in
ELF .o.
Why do this? because existing ARM tools like emitting relocs symbols as
explicit relocations, not as section-offset relocs.
Result is that with these changes,
1) relocs are now substantially identical what to gcc outputs.
2) larger apps (including many spec2k tests) compile, cross-link, and pass
Added reminder fixme to tests for future conversion to .s form.
llvm-svn: 124996
2011-02-07 01:11:15 +00:00
4761fba833
Teach ARM/MC/ELF about EF_ARM_EABI_VERSION. The magic number is set to
...
5 to match the current doc.
Added FIXME reminder Make it really configurable later.
llvm-svn: 124899
2011-02-04 21:41:11 +00:00
d2e2f56c36
Teach ARM/MC/ELF to handle R_ARM_JUMP24 relocation type for conditional jumps.
...
(yes, this is different from R_ARM_CALL)
- Adds a new method getARMBranchTargetOpValue() which handles the
necessary distinction between the conditional and unconditional br/bl
needed for ARM/ELF
At least for ARM mode, the needed fixup for conditional versus unconditional
br/bl is identical, but the ARM docs and existing ARM tools expect this
reloc type...
Added a few FIXME's for future naming fixups in ARMInstrInfo.td
llvm-svn: 124895
2011-02-04 19:47:15 +00:00
813bdf6e58
Do not sign extend floating-point values in the asm parser.
...
llvm-svn: 124831
2011-02-03 23:17:47 +00:00
dfc85ed01e
Fix bogus assert condition noticed by Csaba Raduly.
...
llvm-svn: 124645
2011-02-01 01:50:49 +00:00
9a58919c8e
Enumerate .code16/32/64 instead of checking .code prefix. This
...
unbreaks some ARM tests.
llvm-svn: 124608
2011-01-31 21:19:43 +00:00
bd59dff739
Error on all .code* directives instead of just .code16 as they
...
all lead to a silent miscompilation of code.
llvm-svn: 124603
2011-01-31 20:56:49 +00:00
cd9ae95ae7
Error on .code16 instead of producing wrong (32bit) code.
...
llvm-svn: 124498
2011-01-28 19:29:48 +00:00
7e9e290952
Add support for parsing .float
...
llvm-svn: 124485
2011-01-28 14:20:32 +00:00
4ada0d9164
PR8951: Support for .equiv in integrated assembler, patch by Jörg Sonnenberger!
...
llvm-svn: 124467
2011-01-28 03:04:41 +00:00
ed5efb4053
Add support for specifying register name in cfi-register/offset/def
...
as well as register number.
llvm-svn: 124379
2011-01-27 17:16:37 +00:00
cdbf17b179
Add support for parsing a Real value. It stores the Real value as its binary
...
encoding. It's up to the individual back-ends to convert it to their preferred
representation when printing.
llvm-svn: 124229
2011-01-25 21:26:41 +00:00
689939e648
Handle strings in section names the same way as gas:
...
* If the name is a single string, we remove the quotes
* If the name starts without a quote, we include any quotes in the name
llvm-svn: 124127
2011-01-24 18:02:54 +00:00
b3eca9bb71
Add support for the --noexecstack option.
...
llvm-svn: 124077
2011-01-23 17:55:27 +00:00
8bac423ddb
Add support for lowercase variants.
...
llvm-svn: 124071
2011-01-23 16:11:25 +00:00
4b7b7fba38
Delay the creation of eh_frame so that the user can change the defaults.
...
Add support for SHT_X86_64_UNWIND.
llvm-svn: 124059
2011-01-23 05:43:40 +00:00
0e7e34e476
Remove more duplicated code.
...
llvm-svn: 124056
2011-01-23 04:43:11 +00:00
aea4958ea6
Remove duplicated code.
...
llvm-svn: 124054
2011-01-23 04:28:49 +00:00
493c0fbde8
Make sure to propogate the error code when we fail to parse a modifier.
...
llvm-svn: 123857
2011-01-19 23:06:07 +00:00
e2bea1c82e
Use common style for .cfi directives
...
llvm-svn: 123472
2011-01-14 21:57:39 +00:00
d4a5c05c97
Completed :lower16: / :upper16: support for movw / movt pairs on Darwin.
...
- Fixed :upper16: fix up routine. It should be shifting down the top 16 bits first.
- Added support for Thumb2 :lower16: and :upper16: fix up.
- Added :upper16: and :lower16: relocation support to mach-o object writer.
llvm-svn: 123424
2011-01-14 02:38:49 +00:00
52899a9c34
Add comment about Thumb2 fixup comments being completely bogus.
...
llvm-svn: 123411
2011-01-13 23:27:39 +00:00
0447d30939
Relax an assertion. On archs like ARM, an immediate field may be scattered. So it's possible for some bits of every 8 bits to be encoded already, and the rest still needs to be fixed up.
...
llvm-svn: 123403
2011-01-13 21:45:26 +00:00
965b3c7323
Model :upper16: and :lower16: as ARM specific MCTargetExpr. This is a step
...
in the right direction. It eliminated some hacks and will unblock codegen
work. But it's far from being done. It doesn't reject illegal expressions,
e.g. (FOO - :lower16:BAR). It also doesn't work in Thumb2 mode at all.
llvm-svn: 123369
2011-01-13 07:58:56 +00:00
39e36e7ab4
Style clean up - break up the breaks.
...
llvm-svn: 123347
2011-01-13 00:07:51 +00:00
9c5b65d289
1. Support ELF pcrel relocations for movw/movt:
...
R_ARM_MOVT_PREL and R_ARM_MOVW_PREL_NC.
2. Fix minor bug in ARMAsmPrinter - treat bitfield flag as a bitfield, not an enum.
3. Add support for 3 new elf section types (no-ops)
llvm-svn: 123294
2011-01-12 00:19:25 +00:00
2f93128109
Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
...
llvm-svn: 123170
2011-01-10 12:39:04 +00:00
3686473578
Fix PR8878.
...
llvm-svn: 122658
2011-01-01 19:05:35 +00:00
570dd787a6
Make a bunch of symbols internal.
...
llvm-svn: 122642
2010-12-30 22:34:44 +00:00
ab14a6f174
MC/Mach-O/Thumb: Set the thumb bit in the symbol table.
...
llvm-svn: 122630
2010-12-29 14:14:06 +00:00
46a5b05207
Correctly encode pcrel|indirect.
...
llvm-svn: 122624
2010-12-29 04:31:26 +00:00
2ae93b2c9c
Remove second return.
...
llvm-svn: 122616
2010-12-29 02:42:33 +00:00
563301dfdb
Fix bug when trying to output uint16_t or uint32_t.
...
llvm-svn: 122615
2010-12-29 02:30:49 +00:00
290d71671e
Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks
...
like 6 is a fixed point of that and so the previous tests were OK :-)
llvm-svn: 122614
2010-12-29 01:42:56 +00:00
426e68f793
Implement cfi_def_cfa_register.
...
llvm-svn: 122612
2010-12-29 00:26:06 +00:00
86d347dd31
Initial .cfi_offset implementation.
...
llvm-svn: 122611
2010-12-29 00:09:59 +00:00
6bbfb6c06c
Don't produce a "DW_CFA_advance_loc 0".
...
llvm-svn: 122609
2010-12-28 23:38:03 +00:00
85d91982ca
Implement .cfi_remember_state and .cfi_restore_state.
...
llvm-svn: 122602
2010-12-28 18:36:23 +00:00
b6d52b8b64
Cast away "comparison between signed and unsigned integer" warnings.
...
llvm-svn: 122598
2010-12-28 13:52:52 +00:00
3784c5ea3c
Fix warning about size potentially being used uninitialized
...
when doing a release build.
llvm-svn: 122594
2010-12-28 10:02:42 +00:00
736a35d9ab
Relax address updates in the eh_frame section.
...
llvm-svn: 122591
2010-12-28 05:39:27 +00:00
a75b87b55a
Start adding basic support for emitting the call frame instructions.
...
llvm-svn: 122590
2010-12-28 04:15:37 +00:00
1de2dd0e5e
Add support for .cfi_lsda.
...
llvm-svn: 122584
2010-12-27 15:56:22 +00:00
a895c69431
MC/Mach-O/Thumb: Select appropriate relocation types for Thumb.
...
llvm-svn: 122583
2010-12-27 14:49:49 +00:00
8fc59a682f
Handle reloc_riprel_4byte_movq_load. Should make the bots happy.
...
llvm-svn: 122579
2010-12-27 02:03:24 +00:00
2ac8355ecd
Add support for the same encodings of the personality function that gnu as
...
supports.
llvm-svn: 122577
2010-12-27 00:36:05 +00:00
54462cd730
Fix .cfi_personality on 32 bit systems.
...
llvm-svn: 122570
2010-12-26 22:47:37 +00:00
9ae2d05d45
Add support for @note. Patch by Jörg Sonnenberger.
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llvm-svn: 122568
2010-12-26 21:30:59 +00:00
9141b611ad
Add basic support for .cfi_personality.
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llvm-svn: 122566
2010-12-26 20:20:31 +00:00
03a102bff3
Generalize a previous change, fixing PR8855 - an valid large immediate
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rejected by the mc assembler.
llvm-svn: 122557
2010-12-25 21:36:35 +00:00
0f8abeba1d
Merge IsFixupFullyResolved and IsSymbolRefDifferenceFullyResolved. We now
...
have a single point where targets test if a relocation is needed.
llvm-svn: 122549
2010-12-24 21:22:02 +00:00
7f2bb4dcae
MC/Mach-O/ARM: Start handling some Thumb branches.
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llvm-svn: 122547
2010-12-24 16:41:46 +00:00
fa3c6f148c
In llvm-mc parse a Hash token as a full line comment. Allows handling of
...
preprocessed .s files and matches darwin gas. rdar://8798690
Also fix a comment on the next line of AsmParser.cpp after this new code.
llvm-svn: 122531
2010-12-24 00:12:02 +00:00
4124ab1255
Add r122359 back now that the bug in MCDwarfLineAddrFragment fragment has been
...
fixed.
llvm-svn: 122448
2010-12-22 22:16:24 +00:00
d91e11932c
Assert that the AddrDelta expression is really constant and wrap it in a set
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if we have a lame assembler.
llvm-svn: 122446
2010-12-22 22:04:28 +00:00
a6cd2d821a
Rename NeedsSetToChangeDiffSize to HasAggressiveSymbolFolding which is a much
...
better name and matches what is used in the MachO writer.
llvm-svn: 122443
2010-12-22 21:51:29 +00:00
ac8173cf71
MC/Mach-O/ARM: Don't try to use scattered relocs for BR24 fixups.
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llvm-svn: 122441
2010-12-22 21:26:43 +00:00
0e14b61c0b
Revert r122359 while I debug PR8845.
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llvm-svn: 122427
2010-12-22 19:05:49 +00:00
6b5d2519b3
Fix another conditional expression mismatched enum type warning.
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llvm-svn: 122419
2010-12-22 18:25:55 +00:00
45140d2efc
MC/Mach-O/ARM: We always use the SECTDIFF reloc type on ARM, which is
...
esp. important given that the LOCAL_SECTDIFF enumeration got redefined.
llvm-svn: 122412
2010-12-22 16:52:19 +00:00
11617c8666
MC/Mach-O/ARM: Clone off an ARM version of RecordScatteredRelocation until I figure out how it is supposed to work.
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llvm-svn: 122410
2010-12-22 16:45:29 +00:00
dde72ef0c1
MC/Mach-O: Return to reporting errors if we see unexpected fixup kinds.
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llvm-svn: 122409
2010-12-22 16:32:41 +00:00
a191cfd97e
MC/Mach-O/ARM: Recognize generic _Data_N fixup kinds.
...
llvm-svn: 122408
2010-12-22 16:32:37 +00:00
9ccf843a61
MC/Mach-O/ARM: Add enough relocation logic to get BR24 relocations.
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llvm-svn: 122407
2010-12-22 16:19:24 +00:00
56f13732e2
MC/Mach-O/ARM: Fix thinko.
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llvm-svn: 122406
2010-12-22 16:19:20 +00:00
50ce2f06de
Use references and simplify.
...
llvm-svn: 122405
2010-12-22 16:11:57 +00:00
73c0ae77ca
Simplify the handling of .size expressions.
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llvm-svn: 122404
2010-12-22 16:03:00 +00:00
083132e131
MC/Mach-O/ARM: Stub out RecordARMRelocation, which is mostly a copy of
...
RecordRelocation with lots of FIXMEs.
llvm-svn: 122402
2010-12-22 13:50:05 +00:00
a63db77f2e
Simplify.
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llvm-svn: 122401
2010-12-22 13:49:56 +00:00
1e5be3653c
MC/Mach-O: Split out RecordARMRelocation for now, it is weird enough it isn't
...
clear how to keep in the generic path (yet).
- Will revisit when it actually works.
llvm-svn: 122400
2010-12-22 13:49:43 +00:00
890cb2d506
GCC objects to the two sides of a conditional expression having different enum
...
types, but they're just getting converted to unsigned anyway, so cast first
(and ask questions later).
llvm-svn: 122377
2010-12-21 23:43:23 +00:00
a468ae02cb
Simplify EvaluateAsAbsolute now that EvaluateAsRelocatableImpl does all
...
the folding it can.
llvm-svn: 122359
2010-12-21 20:51:42 +00:00
6bdb49ded8
Don't relax org or align. They change size as the relaxation happens, but they
...
are not actually relaxed. For example, a section with only alignments will never
needs relaxation.
llvm-svn: 122356
2010-12-21 20:35:18 +00:00
ff78eda678
MC/Mach-O: Shuffle enums a bit to make it harder to inadvertently use the wrong
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type.
llvm-svn: 122334
2010-12-21 15:26:45 +00:00
98d93c5294
Layout one section until no relaxations are done and then move to the next
...
section.
This helps because in practice sections form a dag with debug sections pointing
to text sections. Finishing up the text sections first makes the debug section
relaxation trivial.
llvm-svn: 122314
2010-12-21 04:22:09 +00:00
55184ddd35
Set the value of absolute symbols.
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llvm-svn: 122268
2010-12-20 21:14:39 +00:00
0de20af7ba
Add missing standard headers. Patch by Joerg Sonnenberger!
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llvm-svn: 122193
2010-12-19 20:43:38 +00:00
ee54636f0a
Fixed version of 122160 (the previous one would fold undefined symbols).
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llvm-svn: 122167
2010-12-19 04:18:56 +00:00
9a2d4e04c7
Revert 122160 while I debug it.
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llvm-svn: 122165
2010-12-19 03:22:05 +00:00
6fd80a5593
Move all folding to AttemptToFoldSymbolOffsetDifference.
...
llvm-svn: 122160
2010-12-19 02:15:04 +00:00
71d29167ea
Add support for lexing single quotes like 'c'.
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This fixed 8615.
llvm-svn: 122150
2010-12-18 08:56:37 +00:00
b403e098a1
Merge isAbsolute into IsSymbolRefDifferenceFullyResolved.
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llvm-svn: 122148
2010-12-18 06:27:54 +00:00
8396dd0893
Remove the MCObjectFormat class.
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llvm-svn: 122147
2010-12-18 05:37:28 +00:00
293a7c1840
Add a FIXME and explain a hack.
...
llvm-svn: 122144
2010-12-18 04:19:20 +00:00
1ea7f18caa
Fix the note.
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llvm-svn: 122139
2010-12-18 04:01:45 +00:00
5004f4a9b5
Revert 122011, 122012, 122013, 122023 adding back an important optimization.
...
I added a note, but suggestions on how to add a test are really welcome.
llvm-svn: 122138
2010-12-18 03:57:21 +00:00
fdaae0d16f
Move some data to the TargetWriter.
...
llvm-svn: 122134
2010-12-18 03:27:34 +00:00
79855298b9
Thumb's forced-PC-alignment requirement applies to the _total_ displacement, not just to the fragment relative
...
portion. While the fragment boundary is usually already aligned, it is possible for it not to be, which
would lead to a non-aligned final displacement.
llvm-svn: 122091
2010-12-17 21:49:48 +00:00
d11460a65b
Store and free the TargetObjectWriter.
...
llvm-svn: 122070
2010-12-17 18:01:31 +00:00
6b5e56c2b1
Stub out explicit MCELFObjectTargetWriter interface.
...
llvm-svn: 122067
2010-12-17 17:45:22 +00:00
f0e24d426a
Move createELFObjectWriter to its own header.
...
llvm-svn: 122064
2010-12-17 16:59:53 +00:00
df63335844
Use getFixupKindInfo to implement isFixupKindPCRel, ELF version.
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llvm-svn: 122050
2010-12-17 07:28:17 +00:00
137d422e50
MC/Expr: Implemnt more aggressive folding during symbol evaluation using
...
IsSymbolRefDifferenceFullyResolved(). For example, we will now fold away
something like:
--
_a:
...
L0:
...
L1:
...
.long (L1 - L0) / 2
--
llvm-svn: 122043
2010-12-17 05:50:33 +00:00
2ee6c9b8c9
MC/Mach-O: On second thought, use a custom hook for enabling aggressive
...
IsSymbolRefDifferenceFullyResolved, it turns out this does change behavior on
enough cases for x86-32 that I would rather wait a bit on it.
- In practice, we will want to change this eventually because it only means we
generate less relocations (it also eliminates the need for the horrible
'.set' hack that Darwin requires in some places).
llvm-svn: 122042
2010-12-17 05:50:29 +00:00
b27bb86ba5
MC/Mach-O: Implement IsSymbolRefDifferenceFullyResolved.
...
- Unlike for fixups, we always do the "reliable" thing (not just for x86_64).
- Since Darwin 'as' would typically reject things that using this will allow,
we don't need to worry about compatibility.
llvm-svn: 122038
2010-12-17 04:54:58 +00:00
f2adf782ab
MC/ObjectWriter: Add a new IsSymbolRefDifferenceFullyResolved target format specific hook.
...
- Currently just has stub implementations for Mach-O, ELF, and COFF.
llvm-svn: 122037
2010-12-17 04:54:54 +00:00
50269280f8
MC/Assembler: Strip out object writer arguments, now that it is always available
...
-- and remove FIXME asking for the same!
llvm-svn: 122032
2010-12-17 02:45:59 +00:00
42a037abb1
MC/Assembler: Make the MCObjectWriter available through the lifetime of the
...
assembler.
llvm-svn: 122031
2010-12-17 02:45:41 +00:00
d2867f13a0
MC/Target: Remove HasScatteredSymbols target hook variable, which has been
...
superceded and was effectively dead.
llvm-svn: 122024
2010-12-17 02:06:08 +00:00
e491ea4630
MC/Expr: Simplify.
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llvm-svn: 122023
2010-12-17 02:05:45 +00:00
f89156da92
MC: Remove another dead MCAssembler argument, and update clients.
...
llvm-svn: 122013
2010-12-17 01:07:35 +00:00
f15aeb8d01
MC: Remove dead MCAssembler argument -- Rafael, can you check the FIXME I added
...
here?
llvm-svn: 122012
2010-12-17 01:07:31 +00:00
9af1335b5d
MC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment
...
in MCAsmLayout).
llvm-svn: 122011
2010-12-17 01:07:28 +00:00
33d571e2ae
Write => in a more normal form.
...
llvm-svn: 122009
2010-12-17 01:07:22 +00:00
76793bac89
MC/Expr: Simplify (and add a FIXME).
...
llvm-svn: 122008
2010-12-17 01:07:20 +00:00
32c74ea3ab
"Fix" FDE alignment to match what gas does.
...
llvm-svn: 122006
2010-12-17 00:28:02 +00:00
395a09922b
MC/Expr: Add a doxyment.
...
llvm-svn: 121988
2010-12-16 18:36:25 +00:00
03fcccbb47
MC/Mach-O: Lift some MachObjectWriter arguments into the target specific
...
interface.
llvm-svn: 121981
2010-12-16 17:21:02 +00:00
8888a9604d
MC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface.
...
llvm-svn: 121973
2010-12-16 16:09:19 +00:00
73b8713d7c
MC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h.
...
llvm-svn: 121971
2010-12-16 16:08:33 +00:00
9d1ed19982
MC/Mach-O: Use fixup info instead of hard coded list.
...
llvm-svn: 121970
2010-12-16 15:42:31 +00:00
0c9d9fdd81
MC: Move target specific fixup info descriptors to TargetAsmBackend instead of
...
the MCCodeEmitter, which seems like a better organization.
- Also, cleaned up some magic constants while in the area.
llvm-svn: 121953
2010-12-16 03:20:06 +00:00
4c1386add9
1. ARM/MC/ELF: A few more ELF relocs for .o
...
2. Fixed EmitLocalCommonSymbol for ELF (Yes, they exist. :)
Test added.
llvm-svn: 121951
2010-12-16 03:12:17 +00:00
ecd0c8a557
MC: Make TargetAsmBackend available to the AsmStreamer.
...
- Treaty talks on the non-proliferation of MC objects broke down.
llvm-svn: 121949
2010-12-16 03:05:59 +00:00
f991d4f587
Better fix for opt build
...
llvm-svn: 121910
2010-12-15 23:14:45 +00:00
15f96baa01
Fix opt -Werror build
...
llvm-svn: 121904
2010-12-15 22:21:20 +00:00
c8fa5fcc42
Fix typo in r121875.
...
llvm-svn: 121880
2010-12-15 19:24:24 +00:00
622ad5170b
Implement cleanups suggested by Daniel.
...
llvm-svn: 121875
2010-12-15 18:48:27 +00:00
844f6b6cfb
Relax alignment fragments.
...
With this we don't need the EffectiveSize field anymore. Without that field
LayoutFragment only updates offsets and we don't need to invalidate the
current fragment when it is relaxed (only the ones following it).
This is also a very small improvement in the accuracy of the layout info as
we now use the after relaxation size immediately.
llvm-svn: 121857
2010-12-15 08:45:53 +00:00
8911d03504
Patch by David Meyer to avoid a O(N^2) behaviour when relaxing fragments.
...
Since we now don't update addresses so early, we might relax a bit more than
we need to. This is simillar to the issue in PR8467.
llvm-svn: 121856
2010-12-15 07:39:29 +00:00
f80f18a11a
Generalize an assert.
...
llvm-svn: 121851
2010-12-15 07:12:24 +00:00
41955ff958
ARM Fixups relative to thumb functions need to have the low bit of the value
...
set for interworking to work properly. rdar://8755956
llvm-svn: 121778
2010-12-14 18:46:57 +00:00
0e909c5f9c
First cut of ARM/MC/ELF PIC relocations.
...
Test has fixme, to move to .s -> .o test when AsmParser works better.
llvm-svn: 121732
2010-12-13 23:16:07 +00:00
Eli Friedman