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56 Commits

Author SHA1 Message Date
Craig Topper
e703fcb975 [C++] Use 'nullptr'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-24 06:44:33 +00:00
Rafael Espindola
a53735bcf1 Map ELf flags back to more specific section kinds. 
With that, convert another llc -filetype=obj test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205031 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-28 19:14:08 +00:00
Craig Topper
5dc48d726d [C++11] Add 'override' keyword to virtual methods that override their base class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203342 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-08 07:14:16 +00:00
Venkatraman Govindaraju
8669eda107 Add support for parsing sun-style section flags in ELFAsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202573 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-03-01 06:21:00 +00:00
David Peixotto
a034c96443 Fix parsing of .symver directive on ARM 
ARM assembly syntax uses @ for a comment, execpt for the second
parameter of the .symver directive which requires @ as part of the
symbol name. This commit fixes the parsing of this directive by
adding a special case for ARM for this one argumnet.

To make the change we had to move the AllowAtInIdentifier variable
to the MCAsmLexer interface (from AsmLexer) and expose a setter for
the value.  The ELFAsmParser then toggles this value when parsing
the second argument to the .symver directive for a target that
uses @ as a comment symbol


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199339 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-15 22:40:02 +00:00
Rafael Espindola
c7ce3e4f42 Move .ident handling to MCStreamer. 
No functionality change, but exposes the API so that codegen can use it too.

Patch by Katya Romanova.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192757 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-16 01:05:45 +00:00
David Majnemer
60c81c9397 ELF: Parse types in directives like binutils gas 
Allow binutils .type and .section directives to take the following
forms:
- @<type>
- %<type>
- "<type>"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191134 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-21 05:25:12 +00:00
Benjamin Kramer
766f25306a ELF: Add support for the exclude section bit for gas compat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190769 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-15 19:53:20 +00:00
David Majnemer
bcd9b3b6b1 MC: Add support for '?' flags in .section directives 
Summary:
The '?' flag uses the last section group if the last had a section
group.  We treat combining an explicit section group and the '?' as a
hard error.

This fixes PR17198.

Reviewers: rafael, bkramer

Reviewed By: bkramer

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1686

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190768 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-15 19:24:16 +00:00
Benjamin Kramer
2ad0a2c122 Remove unused StringRef that no compiler warned about, I wonder why. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190759 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-14 22:55:54 +00:00
Peter Collingbourne
df39be6cb4 Add support for subsections to the ELF assembler. Fixes PR8717. 
Differential Revision: http://llvm-reviews.chandlerc.com/D598

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179725 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-17 21:18:16 +00:00
Jim Grosbach
cb2ae3d98e MCParser: Update method names per coding guidelines. 
s/AddDirectiveHandler/addDirectiveHandler/
s/ParseMSInlineAsm/parseMSInlineAsm/
s/ParseIdentifier/parseIdentifier/
s/ParseStringToEndOfStatement/parseStringToEndOfStatement/
s/ParseEscapedString/parseEscapedString/
s/EatToEndOfStatement/eatToEndOfStatement/
s/ParseExpression/parseExpression/
s/ParseParenExpression/parseParenExpression/
s/ParseAbsoluteExpression/parseAbsoluteExpression/
s/CheckForValidSection/checkForValidSection/

http://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175675 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-20 22:21:35 +00:00
Joerg Sonnenberger
42edeb1ba8 Derive ELF section type from the name in some cases where GNU as does 
so.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175327 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-16 00:32:53 +00:00
Eli Bendersky
171192f149 Use the ExtensionDirectiveHandler type in other places where it makes sense. 
Since we already have this type it's a shame to keep dragging a pair of object
and method around explicitly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172584 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-16 00:50:52 +00:00
Eric Christopher
68ca56285f These functions have default arguments of 0 for the last arg. Use 
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171933 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-09 01:57:54 +00:00
Dmitri Gribenko
2de0572cae Remove redundant semicolons which are null statements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163547 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-10 21:26:47 +00:00
Benjamin Kramer
6a80f9da8c ELF: Add support for the asm .version directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156712 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-12 14:30:47 +00:00
Roman Divacky
a0c17a495b Add support for gnu_indirect_function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146377 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-12 17:34:04 +00:00
Jim Grosbach
f2a35fbd60 Move some ELF directives into ELF asm parser. 
The .local, .hidden, .internal, and .protected are not legal for all supported
file formats (in particular, they're invalid for MachO). Move the parsing for
them into the ELF assembly parser since that's the format they're for.
Similarly, .weak is used by COFF and ELF, but not MachO, so move the parsing
to the COFF and ELF asm parsers. Previously, using any of these directives
on Darwin would result in an assertion failure in the parser; now we get
a diagnostic as we should.

rdar://9827089


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-25 17:55:35 +00:00
Jim Grosbach
cc866d5d2d Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135917 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-25 17:11:29 +00:00
Joerg Sonnenberger
93c65e6e66 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:59:22 +00:00
Joerg Sonnenberger
a04663ecb2 Bug#9172: Don't use static in file scope, use an attribute on the 
parser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 16:53:11 +00:00
Rafael Espindola
7768a9dce1 Add support for pushsection and popsection. Patch by Joerg Sonnenberger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 01:08:29 +00:00
Rafael Espindola
184640e96e 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 18:02:54 +00:00
Rafael Espindola
0cf5e3d51d Delay the creation of eh_frame so that the user can change the defaults. 
Add support for SHT_X86_64_UNWIND.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124059 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 05:43:40 +00:00
Rafael Espindola
1c13026e8f Remove more duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124056 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:43:11 +00:00
Rafael Espindola
c85dca66e6 Remove duplicated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 04:28:49 +00:00
Rafael Espindola
98976610d2 Add support for @note. Patch by Jörg Sonnenberger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122568 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-26 21:30:59 +00:00
Rafael Espindola
6b8e4357ec Factor some code to parseSectionFlags and fix the default type of a section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-25 15:32:56 +00:00
Rafael Espindola
25958730df Behave a bit more like gnu as and use the symbol (instead of the section) 
for any relocation to a symbol defined in a tls section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 21:57:39 +00:00
Rafael Espindola
e13a0ff8ac Parse and record the gnu_unique_object type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:51:02 +00:00
Rafael Espindola
d4a352609f gnu as support both % and @ before types, do the same. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 15:47:08 +00:00
Rafael Espindola
2ff9e83a82 Initial comdat implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:13:52 +00:00
Rafael Espindola
34be396a12 Fixed version of 118639 with an extra assert to catch similar problems 
earlier. Implicit bool -> int conversions are evil!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 23:42:07 +00:00
Rafael Espindola
037b5be15a Revert previous patch. Missed a case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:54:38 +00:00
Rafael Espindola
e61a1ac595 Remove IsExplicit. It was always false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:37:44 +00:00
Rafael Espindola
4faf7c78fe Set default flags for .rodata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 02:47:59 +00:00
Rafael Espindola
484291c273 Implement .weakref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 14:28:48 +00:00
Rafael Espindola
f4b0f3e616 Improvements to .section parsing: 
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G

We ignore the G arguments and flag for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:33:33 +00:00
Rafael Espindola
4fa3478fc2 Set default type and flags for .init and .fini. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 18:45:20 +00:00
Rafael Espindola
8818213247 Add support for the .symver directive. This is really ugly, but most of it is 
contained in the ELF object writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 15:18:17 +00:00
Rafael Espindola
61e3b91da7 Add support for .ident. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 19:35:47 +00:00
Michael J. Spencer
e90ea139f4 MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for something else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 03:47:55 +00:00
Jan Wen Voung
12ad94e03c Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when 
constructing a section. Test for a few cases also included.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:41:46 +00:00
Rafael Espindola
0453dd9ca0 Make sure .text doesn't produce extra alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:40:27 +00:00
Rafael Espindola
34e3d0cfe5 Make sure that names like .note.GNU-stack are accepted as valid section names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-16 17:05:55 +00:00
Rafael Espindola
d80781b98b 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-15 21:48:40 +00:00
Rafael Espindola
b98ac2a71e Add support for leb128 of absolute expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-11 16:45:15 +00:00
Benjamin Kramer
1674b0b0e4 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:53:37 +00:00
Matt Fleming
f525c2a8af Add some more handlers for ELF section directives. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108928 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-20 21:12:46 +00:00