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Author SHA1 Message Date
Jez Ng 415c0cd698 [lld-macho] Switch default to new Darwin backend 
The new Darwin backend for LLD is now able to link reasonably large
real-world programs on x86_64. For instance, we have achieved
self-hosting for the X86_64 target, where all LLD tests pass when
building lld with itself on macOS. As such, we would like to make it the
default back-end.

The new port is now named `ld64.lld`, and the old port remains
accessible as `ld64.lld.darwinold`

This [annoucement email][1] has some context. (But note that, unlike
what the email says, we are no longer doing this as part of the LLVM 12
branch cut -- instead we will go into LLVM 13.)

Numerous mechanical test changes were required to make this change; in
the interest of creating something that's reviewable on Phabricator,
I've split out the boring changes into a separate diff (D95905). I plan to
merge its contents with those in this diff before landing.

(@gkm made the original draft of this diff, and he has agreed to let me
take over.)

[1]: https://lists.llvm.org/pipermail/llvm-dev/2021-January/147665.html

Reviewed By: #lld-macho, thakis

Differential Revision: https://reviews.llvm.org/D95204
 2021-03-01 12:30:10 -05:00
Rui Ueyama 5c33bbed58 Replace -flavor {gnu,darwin} with ld64.lld or ld.lld. 
llvm-svn: 325390
 2018-02-16 21:16:57 +00:00
Rui Ueyama 035025c0da Remove trailing whitespace characters. 
llvm-svn: 235897
 2015-04-27 17:18:04 +00:00
Rui Ueyama 629f964d50 Use arithmetic type to represent alignments (not in log2) everywhere. 
This is the final step of conversion. Now log2 numbers are removed
from everywhere!

llvm-svn: 233246
 2015-03-26 02:20:25 +00:00
Tim Northover f48f0620ed [mach-o]: atomize zero-terminated literals correctly. 
When looking through sections with zero-terminated string-literals (__cstring
or __ustring) we were constantly rechecking the first few bytes of the string
for '\0' rather than advancing along. This obviously failed unless all strings
within the section had the same length as that first one.

llvm-svn: 211682
 2014-06-25 11:21:51 +00:00
Nick Kledzik 3e90e5f187 [mach-o] Add support for reading utf16 string literal sections 
llvm-svn: 209684
 2014-05-27 20:25:06 +00:00
Nick Kledzik a0c13a2420 [mach-o] parse literal sections into atoms 
llvm-svn: 209379
 2014-05-22 01:42:06 +00:00