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History

Saleem Abdulrasool e1749d42be Support: add support to identify WinCOFF/ARM objects Add the Windows COFF ARM object file magic. This enables the LLVM tools to interact with COFF object files for Windows on ARM. llvm-svn: 203761		2014-03-13 07:02:35 +00:00
..
Unix	support: add a utility function to normalise path separators	2014-03-11 22:05:42 +00:00
Windows	support: add a utility function to normalise path separators	2014-03-11 22:05:42 +00:00
Allocator.cpp
APFloat.cpp	APFloat: Add a move ctor and operator=	2014-03-04 20:26:51 +00:00
APInt.cpp
APSInt.cpp
ARMBuildAttrs.cpp
Atomic.cpp
BlockFrequency.cpp
BranchProbability.cpp
circular_raw_ostream.cpp
CMakeLists.txt	[Modules] Move the ConstantRange class into the IR library. This is	2014-03-04 12:24:34 +00:00
CommandLine.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
Compression.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
ConvertUTF.c
ConvertUTFWrapper.cpp
COPYRIGHT.regex
CrashRecoveryContext.cpp	Remove dependence on std::function.	2014-03-04 22:13:07 +00:00
DAGDeltaAlgorithm.cpp	[C++11] Remove 'virtual' keyword from methods marked with 'override' keyword.	2014-03-10 03:53:12 +00:00
DataExtractor.cpp
DataStream.cpp	[C++11] Remove 'virtual' keyword from methods marked with 'override' keyword.	2014-03-10 03:53:12 +00:00
Debug.cpp
DeltaAlgorithm.cpp
Disassembler.cpp
Dwarf.cpp
DynamicLibrary.cpp
Errno.cpp
ErrorHandling.cpp
FileOutputBuffer.cpp	[C++11] Add overloads for externally used OwningPtr functions.	2014-03-05 10:27:34 +00:00
FileUtilities.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
FoldingSet.cpp
FormattedStream.cpp
GraphWriter.cpp
Hashing.cpp
Host.cpp
IncludeFile.cpp
IntEqClasses.cpp
IntervalMap.cpp
IntrusiveRefCntPtr.cpp
IsInf.cpp
IsNAN.cpp
LEB128.cpp
LineIterator.cpp
LLVMBuild.txt
Locale.cpp
LockFileManager.cpp	Cleanup the interface for creating soft or hard links.	2014-03-11 18:40:24 +00:00
Makefile
ManagedStatic.cpp	Revert "[C++11] Replace LLVM atomics with std::atomic."	2014-03-03 18:02:34 +00:00
MD5.cpp
Memory.cpp
MemoryBuffer.cpp	[C++11] Remove 'virtual' keyword from methods marked with 'override' keyword.	2014-03-10 03:53:12 +00:00
MemoryObject.cpp
Mutex.cpp
Path.cpp	Support: add support to identify WinCOFF/ARM objects	2014-03-13 07:02:35 +00:00
PluginLoader.cpp
PrettyStackTrace.cpp
Process.cpp
Program.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
SearchForAddressOfSpecialSymbol.cpp
Signals.cpp
SmallPtrSet.cpp
SmallVector.cpp
SourceMgr.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
Statistic.cpp	Revert "[C++11] Replace LLVM atomics with std::atomic."	2014-03-03 18:02:34 +00:00
StreamableMemoryObject.cpp	[C++11] Remove 'virtual' keyword from methods marked with 'override' keyword.	2014-03-10 03:53:12 +00:00
StringExtras.cpp
StringMap.cpp
StringPool.cpp
StringRef.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
StringRefMemoryObject.cpp
system_error.cpp	[C++11] Remove 'virtual' keyword from methods marked with 'override' keyword.	2014-03-10 03:53:12 +00:00
SystemUtils.cpp
TargetRegistry.cpp	[C++11] Revert uses of lambdas with array_pod_sort.	2014-03-07 21:52:38 +00:00
Threading.cpp	Revert "[C++11] Replace LLVM atomics with std::atomic."	2014-03-03 18:02:34 +00:00
ThreadLocal.cpp
Timer.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
TimeValue.cpp
ToolOutputFile.cpp
Triple.cpp	Fix inconsistent whitespace.	2014-03-09 23:17:28 +00:00
Twine.cpp
Unicode.cpp
Valgrind.cpp
Watchdog.cpp
YAMLParser.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
YAMLTraits.cpp

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