d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Vendor import of lld release_40 branch r296202:

Browse Source 
https://llvm.org/svn/llvm-project/lld/branches/release_40@296202
This commit is contained in:
Dimitry Andric 2017-02-25 14:40:58 +00:00
parent d8bb5533c1
commit e4cf9ded94
1 changed files with 10 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
docs/ReleaseNotes.rst
View File

@ -5,9 +5,6 @@ LLD 4.0.0 Release Notes
.. contents::
:local:
.. warning::
These are in-progress notes for the upcoming LLVM 4.0.0 release.
Introduction
============
@ -15,7 +12,7 @@ LLD is a linker which supports ELF (Unix), COFF (Windows) and Mach-O
(macOS). It is generally faster than the GNU BFD/gold linkers or the
MSVC linker.
LLD is designed to be a drop-in replacmenet for the system linkers, so
LLD is designed to be a drop-in replacement for the system linkers, so
that users don't need to change their build systems other than swapping
the linker command.
@ -49,17 +46,17 @@ Other notable changes are listed below:
but the source location of unresolved symbols.
* Error messages are printed in red just like Clang by default. You
can disable it by passing -no-color-diagnostics.
can disable it by passing ``-no-color-diagnostics``.
* LLD's version string is now embedded in a .comment section in the
result output file. You can dump it with this command: ``objdump -j -s
.comment <file>``.
* The -Map option is supported. With that, you can print out section
* The ``-Map`` option is supported. With that, you can print out section
and symbol information to a specified file. This feature is useful
for analyzing link results.
* The file format for the -reproduce option has changed from cpio to
* The file format for the ``-reproduce`` option has changed from cpio to
tar.
* When creating a copy relocation for a symbol, LLD now scans the
@ -67,8 +64,8 @@ Other notable changes are listed below:
space for the copy relocation is reserved in .bss.rel.ro instead of
.bss. This fixes a security issue that read-only data in a DSO
becomes writable if it is copied by a copy relocation. This issue
was disclosed originally on the binutils mailing list at
`<https://sourceware.org/ml/libc-alpha/2016-12/msg00914.html>`.
was disclosed originally on the
`binutils mailing list <https://sourceware.org/ml/libc-alpha/2016-12/msg00914.html>`_.
* Compressed input sections are supported.
@ -76,7 +73,7 @@ Other notable changes are listed below:
``-Ttext``, ``-b binary``, ``-build-id=uuid``, ``-no-rosegment``,
``-nopie``, ``-nostdlib``, ``-omagic``, ``-retain-symbols-file``,
``-sort-section``, ``-z max-page-size`` and ``-z wxneeded`` are
suppoorted.
supported.
* A lot of linker script directives have been added.
@ -84,15 +81,15 @@ Other notable changes are listed below:
0x200000 to make it huge-page friendly.
* ARM port now supports GNU ifunc, the ARM C++ exceptions ABI, TLS
relocations and static linking. Problems with dlopen() on systems
relocations and static linking. Problems with ``dlopen()`` on systems
using eglibc fixed.
* MIPS port now supports input files in new R6 revision of MIPS ABIs
or N32 ABI. Generated file now contains .MIPS.abiflags section and
complete set of ELF headers flags.
* Relocations produced by the ``-mxgot`` compiler's flag is supported
for MIPS. Now it is possible to generate "large" GOT exceeds 64K
* Relocations produced by the ``-mxgot`` compiler flag is supported
for MIPS. Now it is possible to generate "large" GOT that exceeds the 64K
limit.
COFF Improvements