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17 Commits

Author SHA1 Message Date
arichardson
3febaf2bcc Enable SUBDIR_PARELLEL in lib/libclang_rt 
I noticed that this part of the build was taking much longer than
expected. Turns out it's due to not running the subdirs in parallel.
Reduces `make all` inside lib/libclang_rt time from 63s to 20s with -j32.

Reviewed By:	dim
Differential Revision: https://reviews.freebsd.org/D26623
 2020-10-12 10:42:33 +00:00
dim
4a25957871 Rearrange libclang_rt Makefile again, and attempt to simplify it. 
It turns out that parts of the common sanitizer code still do not
compile for arm and aarch64, at least not on FreeBSD, so for now those
are all limited to amd64, and sometimes i386.
 2019-09-13 21:03:43 +00:00
dim
710ccef334 Add some missed continuation backslashes. 2019-09-05 20:42:08 +00:00
dim
509a226829 Update libclang_rt: 
* Add cfi, dd, fuzzer and xray
* Update arch support
* Update OptionalObsoleteFiles.inc
 2019-09-01 18:21:06 +00:00
ngie
febdbb3e83 Build libclang_rt/profile on all clang-supported architectures 
There's no reason why a special case needs to be added specifically for amd64,
arm, and i386, as the code is written in machine architecture agnostic C/C++.

This will make it possible for all supporting clang architectures to produce
runtime coverage with `--coverage`.

MFC after:	2 weeks
Reviewed by:	dim
Differential Revision: https://reviews.freebsd.org/D20003
 2019-04-22 19:21:35 +00:00
dim
eb677e1ad3 For now, msan is 64-bit only. 2018-08-04 14:39:45 +00:00
dim
a6287287d4 Update lib/libclang_rt for compiler-rt trunk r338150. 2018-08-03 15:30:32 +00:00
imp
cd812efb93 Remove special cases for armeb in the build. 
Differential Revision:  https://reviews.freebsd.org/D16257
 2018-07-17 23:23:54 +00:00
dim
ec11d4437e Only build tsan and tsan_cxx for amd64, as 32 bit is unsupported. 2017-12-25 13:17:29 +00:00
dim
ba4e891d87 Next step in updating llvm/clang build glue: make libclang_rt build. 2017-12-23 21:41:32 +00:00
ngie
b6a74f7280 Remove unnecessary src.opts.mk .include 
MK_<FOO> isn't used in lib/libcompiler_rt/Makefile at all. Remove it to reduce
namespace pollution.

MFC after:	1 week
 2017-11-07 04:56:53 +00:00
dim
4bf4ca41f5 Update compiler-rt to 3.9.0 release, and update the build glue for 
libcompiler_rt and libclang_rt.
 2016-09-03 21:41:29 +00:00
dim
9c27ec33f2 Merge compiler-rt release_38 branch r258968. 
Note that there is still a problem on amd64, causing SIGBUS in the early
startup of Address Sanitizer.  This is being investigated.
 2016-02-06 13:39:20 +00:00
dim
1aab0ff4b0 Install the public sanitizer headers. These are useful for programs 
that want to directly interface with sanitizer internals.
 2015-11-29 16:28:40 +00:00
dim
27c642b88f Update compiler-rt to 3.7.0 release. This also includes the sanitizer 
and profile libraries.
 2015-09-10 20:35:47 +00:00
dim
d07708df70 Connect libclang_rt to the build, for specific architectures. This 
contains the libraries for Address Sanitizer (asan), Undefined Behavior
Sanitizer (ubsan) and Profile Guided Optimization.

ASan is a fast memory error detector. It can detect the following types
of bugs:

    Out-of-bounds accesses to heap, stack and globals
    Use-after-free
    Use-after-return (to some extent)
    Double-free, invalid free
    Memory leaks (experimental)

Typical slowdown introduced by AddressSanitizer is 2x.

UBSan is a fast and compatible undefined behavior checker. It enables a
number of undefined behavior checks that have small runtime cost and no
impact on address space layout or ABI.

PLEASE NOTE: the sanitizers still have some rough edges on FreeBSD,
particularly on i386.  These will hopefully be smoothed out in the
coming time.

Differential Revision: https://reviews.freebsd.org/D1505
 2015-01-13 19:54:47 +00:00
dim
cfd5b20c8b Now compiler-rt has been updated in r276851, bring in the various 
sanitizer libraries that already work on FreeBSD:

* asan:    Address Sanitizer
* ubsan:   Undefined Behavior Sanitizer
* profile: Profile Guided Optimization support

Please note that these libraries are *experimental* at this stage, so
the main Makefile is not yet connected to the build.

Since I didn't want to needlessly edit BSD.usr.dist, you will also have
to create the install directory /usr/lib/clang/3.5.0/lib/freebsd
manually for now.
 2015-01-08 22:40:56 +00:00