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35 Commits

Author SHA1 Message Date
Benjamin Kramer
a4ba5f3efe Fix the GCC build. 
This is fairly ugly, but apparently GCC still doesn't understand C++11.

llvm-svn: 293535
 2017-01-30 19:05:09 +00:00
Benjamin Kramer
dccedede36 [MC] Remove global constructors from MCSectionMachO.cpp. 
llvm-svn: 293526
 2017-01-30 18:46:26 +00:00
Rafael Espindola
4b47b4e687 Only print architecture dependent flags for that architecture. 
Different architectures can have different meaning for flags in the
SHF_MASKPROC mask, so we should always check what the architecture use
before checking the flag.

NFC for now, but will allow fixing the value of an xmos flag.

llvm-svn: 293484
 2017-01-30 15:38:43 +00:00
Mehdi Amini
1ab7cb5cc2 Use StringRef in MCSectionMachO (NFC) 
llvm-svn: 283284
 2016-10-05 01:02:34 +00:00
Chandler Carruth
c484a28f0a [ADT] Switch a bunch of places in LLVM that were doing single-character 
splits to actually use the single character split routine which does
less work, and in a debug build is *substantially* faster.

llvm-svn: 247245
 2015-09-10 06:12:31 +00:00
Rafael Espindola
0601e2fab8 Implement unique sections with an unique ID. 
This allows the compiler/assembly programmer to switch back to a
section. This in turn fixes the bootstrap failure on powerpc (tested
on gcc110) without changing the ppc codegen at all.

I will try to cleanup the various getELFSection overloads in a  followup patch.
Just using a default argument now would lead to ambiguities.

llvm-svn: 234099
 2015-04-04 18:02:01 +00:00
Rafael Espindola
7bdf3f2e35 Close unique sections when switching away from them. 
It is not possible to switch back to unique secitons, so close them
automatically when switching away.

llvm-svn: 233380
 2015-03-27 15:01:40 +00:00
Rafael Espindola
96f9d3dd7f Create symbols marking the start of a section earlier. 
This lets us pass the symbol to the constructor and avoid the mutable field.

This also opens the way for outputting the symbol only when needed, instead
of outputting them at the start of the file.

llvm-svn: 231859
 2015-03-10 22:00:25 +00:00
Craig Topper
bd0a634bba [C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr. 
llvm-svn: 206129
 2014-04-13 04:57:38 +00:00
David Majnemer
3c62f51f77 MC: Appease the buildbots 
This is fallout from r203429.

llvm-svn: 203430
 2014-03-10 01:04:18 +00:00
David Majnemer
c247617301 MC: Cleanup MCSectionMachO::ParseSectionSpecifier 
Split by comma once instead of multiple times.  Moving this upfront
makes the rest of the code considerably simpler.

No functional change.

llvm-svn: 203429
 2014-03-10 00:55:07 +00:00
David Majnemer
49eb7d0201 MC: Use MachO::SectionType for MCSectionMachO::getType's return type 
This is a straightfoward replacement, it makes debugging a little
easier.

This has no functional impact.

llvm-svn: 203264
 2014-03-07 18:49:54 +00:00
David Majnemer
b702f79917 MC: Remove superfluous section attribute flag definitions 
Summary:
llvm/MC/MCSectionMachO.h and llvm/Support/MachO.h both had the same
definitions for the section flags.  Instead, grab the definitions out of
support.

No functionality change.

Reviewers: grosbach, Bigcheese, rafael

Reviewed By: rafael

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2998

llvm-svn: 203211
 2014-03-07 07:36:05 +00:00
Alp Toker
e845f8af67 Correct word hyphenations 
This patch tries to avoid unrelated changes other than fixing a few
hyphen-related ambiguities and contractions in nearby lines.

llvm-svn: 196471
 2013-12-05 05:44:44 +00:00
Peter Collingbourne
a0d11d0e11 Add support for subsections to the ELF assembler. Fixes PR8717. 
Differential Revision: http://llvm-reviews.chandlerc.com/D598

llvm-svn: 179725
 2013-04-17 21:18:16 +00:00
Guy Benyei
92dac48079 Add static cast to unsigned char whenever a character classification function is called with a signed char argument, in order to avoid assertions in Windows Debug configuration. 
llvm-svn: 175006
 2013-02-12 21:21:59 +00:00
Stuart Hastings
0c1298989f Reapply 127939 since Daniel fixed the breakage. <rdar://problem/9012638> 
llvm-svn: 127944
 2011-03-19 02:42:31 +00:00
Stuart Hastings
0b337d0fe8 Revert 127939. <rdar://problem/9012638> 
llvm-svn: 127943
 2011-03-19 02:33:56 +00:00
Stuart Hastings
4a2b1ca9c1 Revise r126127 to address Daniel's comments. <rdar://problem/9012638> 
llvm-svn: 127939
 2011-03-19 01:32:01 +00:00
Stuart Hastings
8181f2d5a3 End the line if we return early. Radar 9012638. 
llvm-svn: 126141
 2011-02-21 21:07:07 +00:00
Stuart Hastings
d7ca2e5b61 Fix to correctly support attribute((section("__DATA, __common"))). 
Radar 9012638.

llvm-svn: 126127
 2011-02-21 17:27:17 +00:00
Nick Lewycky
c85935836b Add missing standard headers. Patch by Joerg Sonnenberger! 
llvm-svn: 122193
 2010-12-19 20:43:38 +00:00
Rafael Espindola
7fc5cd0a58 make isVirtualSection a virtual method on MCSection. Chris' suggestion. 
llvm-svn: 119547
 2010-11-17 20:03:54 +00:00
Jim Grosbach
e6d61a87e4 Trailing whitespace. 
llvm-svn: 117073
 2010-10-21 22:04:05 +00:00
Jan Wen Voung
9c76bbf90a 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
Eric Christopher
5fc9256574 Fix section attribute name. 
llvm-svn: 104381
 2010-05-21 21:08:52 +00:00
Daniel Dunbar
7e141838cd MC: Add dyn_cast support to MCSection. 
- Of questionable utility, since in general anything which wants to do this should probably be within a target specific hook, which can rely on the sections being of the appropriate type. However, it can be useful for short term hacks.

llvm-svn: 103980
 2010-05-17 21:54:26 +00:00
Eric Christopher
380e16a725 Add some section and constant support for darwin TLS. 
llvm-svn: 103974
 2010-05-17 21:02:07 +00:00
Chris Lattner
1cf4bded13 move elf section uniquing to MCContext. Along the way 
merge XCore's section into MCSectionELF

llvm-svn: 100812
 2010-04-08 21:26:26 +00:00
Daniel Dunbar
4daaf9d3f4 Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Kevin Enderby
ef201aaa04 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
Chris Lattner
fd910fd2f7 eliminate a use of strtoul. 
llvm-svn: 82382
 2009-09-20 06:58:54 +00:00
Chris Lattner
8d06945fff rename TAI -> MAI, being careful not to make MAILJMP instructions :) 
llvm-svn: 79777
 2009-08-22 21:43:10 +00:00
Chris Lattner
5d8af49626 Rename TargetAsmInfo (and its subclasses) to MCAsmInfo. 
llvm-svn: 79763
 2009-08-22 20:48:53 +00:00
Chris Lattner
3e6da637f6 split MachO section handling stuff out to its out .h/.cpp file. 
llvm-svn: 78576
 2009-08-10 18:15:01 +00:00