llvm/Support at 007417372d56b5aaa88d0bc2e6e22f37a7442270 - llvm

RPCSX/llvm

mirror of https://github.com/RPCSX/llvm.git synced 2025-01-10 06:00:30 +00:00

History

Zijiao Ma b87ab2ee22 Add unittests to {ARM \| AArch64}TargetParser. Add unittest to {ARM \| AArch64}TargetParser,and by the way correct problems as below: 1.Correct a incorrect indexing problem in AArch64TargetParser. The architecture enumeration is shared across ARM and AArch64 in original implementation.But In the code,I just used the index which was offset by the ARM, and this would index into the array incorrectly. To make AArch64 has its own arch enum,or we will do a lot of slowly iterating. 2.Correct a spelling error. The parameter of llvm::AArch64::getArchExtName. 3.Correct a writing mistake, in llvm::ARM::parseArchISA. Differential Revision: https://reviews.llvm.org/D21785 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276957 91177308-0d34-0410-b5e6-96231b3b80d8		2016-07-28 06:11:18 +00:00
..
Unix	Add AIX support to Path.inc, Host.h, and CMake.	2016-07-19 22:46:39 +00:00
Windows	Explicitly specify the ANSI version of these Win32 APIs. While these are seemingly unrelated changes, they are all NFC because we currently default to the ANSI versions of the APIs when building for Windows. This simply makes the ANSI usage explicit.	2016-06-23 14:45:54 +00:00
Allocator.cpp
APFloat.cpp
APInt.cpp	Use RValue refs in APInt add/sub methods.	2016-07-22 20:55:46 +00:00
APSInt.cpp
ARMBuildAttrs.cpp
ARMWinEH.cpp
Atomic.cpp	Remove all of the legacy home-grown atomic operations LLVM provided	2016-06-02 17:11:11 +00:00
BlockFrequency.cpp
BranchProbability.cpp
CachePruning.cpp	CachePruning: correct comment about file order. NFC	2016-06-27 08:46:23 +00:00
circular_raw_ostream.cpp
CMakeLists.txt	[CMake] Restrict libxar linkage to just llvm-objdump	2016-05-26 16:32:40 +00:00
COM.cpp
CommandLine.cpp	[CommandLine] Use Process::GetEnv instead of _wgetenv	2016-07-24 17:19:59 +00:00
Compression.cpp
ConvertUTF.c
ConvertUTFWrapper.cpp
COPYRIGHT.regex
CrashRecoveryContext.cpp
DAGDeltaAlgorithm.cpp
DataExtractor.cpp
DataStream.cpp
Debug.cpp
DeltaAlgorithm.cpp
Dwarf.cpp	Synchronize LLVM and clang's ObjCDeclSpec::ObjCPropertyAttributeKind.	2016-07-14 00:41:18 +00:00
DynamicLibrary.cpp
Errno.cpp
Error.cpp	[Object] Re-apply r275316 now that I have the corresponding LLD patch ready.	2016-07-14 02:24:01 +00:00
ErrorHandling.cpp
FileOutputBuffer.cpp
FileUtilities.cpp
FoldingSet.cpp	Adding reserve and capacity methods to FoldingSet	2016-06-03 13:54:48 +00:00
FormattedStream.cpp
GraphWriter.cpp
Hashing.cpp
Host.cpp	Properly ifdef the use of cpuid.	2016-07-20 18:54:26 +00:00
IntEqClasses.cpp
IntervalMap.cpp
IntrusiveRefCntPtr.cpp
JamCRC.cpp
LEB128.cpp
LineIterator.cpp
LLVMBuild.txt
Locale.cpp
LockFileManager.cpp	[LockFileManager] Improve error output by using better error messages	2016-06-04 00:34:00 +00:00
ManagedStatic.cpp	[ManagedStatic] Reimplement double-checked locking with std::atomic.	2016-06-29 15:04:07 +00:00
MathExtras.cpp
MD5.cpp
Memory.cpp
MemoryBuffer.cpp
MemoryObject.cpp
Mutex.cpp
Options.cpp
Path.cpp	Add support for Darwin’s 64-bit universal files with 64-bit offsets and sizes for the objects.	2016-06-20 22:16:18 +00:00
PluginLoader.cpp
PrettyStackTrace.cpp	Use C++ casts to avoid a warning	2016-05-27 23:04:28 +00:00
Process.cpp	[Support] Creation of minidump after compiler crash on Windows	2016-05-04 16:56:51 +00:00
Program.cpp
RandomNumberGenerator.cpp
raw_os_ostream.cpp
raw_ostream.cpp
README.txt.system
regcclass.h
regcname.h
regcomp.c
regengine.inc
regerror.c
regex2.h
regex_impl.h
Regex.cpp
regexec.c
regfree.c
regstrlcpy.c
regutils.h
RWMutex.cpp
ScaledNumber.cpp
ScopedPrinter.cpp	Move llvm-readobj/StreamWriter to Support.	2016-05-03 00:28:04 +00:00
SearchForAddressOfSpecialSymbol.cpp
SHA1.cpp
Signals.cpp	Search for llvm-symbolizer binary in the same directory as argv[0], before	2016-06-09 00:53:21 +00:00
SmallPtrSet.cpp
SmallVector.cpp
SourceMgr.cpp
SpecialCaseList.cpp	Avoid some copies by using const references.	2016-05-27 12:30:51 +00:00
Statistic.cpp	Statistic: Add machine parseable json output	2016-06-15 20:19:16 +00:00
StreamingMemoryObject.cpp
StringExtras.cpp
StringMap.cpp
StringPool.cpp
StringRef.cpp
StringSaver.cpp
SystemUtils.cpp
TargetParser.cpp	Add unittests to {ARM \| AArch64}TargetParser.	2016-07-28 06:11:18 +00:00
TargetRegistry.cpp
Threading.cpp	[LPM] Reinstate r271781 which reinstated r271652 to replace the	2016-06-04 19:57:55 +00:00
ThreadLocal.cpp
ThreadPool.cpp	Removing whitespace from test commit rL273447	2016-06-22 18:01:11 +00:00
Timer.cpp	Test commit. Removes some spaces. No functionality changed.	2016-06-03 19:20:37 +00:00
TimeValue.cpp
ToolOutputFile.cpp
Triple.cpp	[mips] Recognise the triple used by Debian stretch for mips64el.	2016-07-19 10:22:19 +00:00
Twine.cpp
Unicode.cpp
Valgrind.cpp
Watchdog.cpp
YAMLParser.cpp
YAMLTraits.cpp	[YAML] Fix YAML tags appearing before the start of sequence elements	2016-06-28 21:10:26 +00:00

README.txt.system

Design Of lib/System
====================

The software in this directory is designed to completely shield LLVM from any
and all operating system specific functionality. It is not intended to be a
complete operating system wrapper (such as ACE), but only to provide the
functionality necessary to support LLVM.

The software located here, of necessity, has very specific and stringent design
rules. Violation of these rules means that cracks in the shield could form and
the primary goal of the library is defeated. By consistently using this library,
LLVM becomes more easily ported to new platforms since the only thing requiring
porting is this library.

Complete documentation for the library can be found in the file:
  llvm/docs/SystemLibrary.html
or at this URL:
  http://llvm.org/docs/SystemLibrary.html

While we recommend that you read the more detailed documentation, for the
impatient, here's a high level summary of the library's requirements.

 1. No system header files are to be exposed through the interface.
 2. Std C++ and Std C header files are okay to be exposed through the interface.
 3. No exposed system-specific functions.
 4. No exposed system-specific data.
 5. Data in lib/System classes must use only simple C++ intrinsic types.
 6. Errors are handled by returning "true" and setting an optional std::string
 7. Library must not throw any exceptions, period.
 8. Interface functions must not have throw() specifications.
 9. No duplicate function impementations are permitted within an operating
    system class.

To accomplish these requirements, the library has numerous design criteria that
must be satisfied. Here's a high level summary of the library's design criteria:

 1. No unused functionality (only what LLVM needs)
 2. High-Level Interfaces
 3. Use Opaque Classes
 4. Common Implementations
 5. Multiple Implementations
 6. Minimize Memory Allocation
 7. No Virtual Methods