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3 Commits

Author SHA1 Message Date
Akira Hatanaka 187770dc74 [CodeGen][ObjC] Remove the leading `l_` from ObjC symbols and make 
private symbols in the __DATA segment internal.

This prevents the linker from removing the symbol names. Keeping the
symbols visible enables tools to collect various information about the
symbols, for example, tools that discover whether or not a symbol gets
dirtied.

rdar://problem/48887111

Differential Revision: https://reviews.llvm.org/D61454

llvm-svn: 360359
 2019-05-09 17:43:52 +00:00
Akira Hatanaka 6bc3a7703b [CodeGen][ObjC] Remove the leading 'l' from symbols for protocol 
metadata and protocol list

The leading 'l' tells ld64 to remove the symbol name, which can make
debugging difficult.

rdar://problem/47256637

Differential Revision: https://reviews.llvm.org/D59234

llvm-svn: 356156
 2019-03-14 15:17:37 +00:00
Saleem Abdulrasool 13d73d53c4 CodeGen: fix section names for different file formats 
This changes the codegen to match the section names according to the
ObjC rewriter as well as the runtime.  The changes to the test are
simply whitespace changes to the section attributes and names and are
functionally equivalent (the whitespace is ignored by the linker).

llvm-svn: 304661
 2017-06-03 16:18:09 +00:00