llvm-6502/lib/Bitcode/Writer
Bill Wendling 5e721d7682 Implement the "linker_private_weak" linkage type. This will be used for
Objective-C metadata types which should be marked as "weak", but which the
linker will remove upon final linkage. However, this linkage isn't specific to
Objective-C.

For example, the "objc_msgSend_fixup_alloc" symbol is defined like this:

      .globl l_objc_msgSend_fixup_alloc
      .weak_definition l_objc_msgSend_fixup_alloc
      .section __DATA, __objc_msgrefs, coalesced
      .align 3
l_objc_msgSend_fixup_alloc:
       .quad   _objc_msgSend_fixup
       .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

Currently only supported on Darwin platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01 21:55:59 +00:00
..
BitcodeWriter.cpp Implement the "linker_private_weak" linkage type. This will be used for 2010-07-01 21:55:59 +00:00
BitcodeWriterPass.cpp
BitWriter.cpp Add a LLVMWriteBitcodeToFD that exposes the raw_fd_ostream options. 2010-03-06 00:30:06 +00:00
CMakeLists.txt Remove derelict serialization code. 2009-12-31 23:40:17 +00:00
Makefile make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +00:00
ValueEnumerator.cpp Tidy. 2010-06-19 05:33:57 +00:00
ValueEnumerator.h Speedup bitcode writer. Do not walk all values for all functions to emit function local metadata. In one testcase, probably worst case scenario, the 70x speed up is seen. 2010-06-02 23:05:04 +00:00