This is the FreeBSD equivalent of LLVM r238549.
This serves 2 purposes:
* LLDB should handle inferior process signals SIGSEGV/SIGILL/SIGBUS/
SIGFPE the way it is suppose to be handled. Prior to this fix these
signals will neither create a coredump, nor exit from the debugger
or work for signal handling scenario.
* eInvalidCrashReason need not report "unknown crash reason" if we have
a valid si_signo
llvm.org/pr23699
Patch by Karnajit Wangkhem
Differential Revision: https://reviews.llvm.org/D35223
Submitted by: Karnajit Wangkhem
Obtained from: LLVM r310591
Apply the changes from upstream jemalloc 048c6679. This is actually not
quite a cherry pick due to makefile difference and because FreeBSD does
not carry the msvc project files which were also modified in that
commit.
Approved by: jasone (maintainer), markj (mentor)
Sponsored by: Dell EMC Isilon
* Enable i386 ABI creation for freebsd
* Added an extra argument in ABISysV_i386::PrepareTrivialCall for mmap
syscall
* Unlike linux, the last argument of mmap is actually 64-bit(off_t).
This requires us to push an additional word for the higher order bits.
* Prior to this change, ktrace dump will show mmap failures due to
invalid argument coming from the 6th mmap argument.
Submitted by: Karnajit Wangkhem
Differential Revision: https://reviews.llvm.org/D34776
Currently, regex(3) exhibits the following wrong behavior as demonstrated
with sed:
- echo "a{1,2,3}b" | sed -r "s/{/_/" (1)
- echo "a{1,2,3}b" | sed "s/\}/_/" (2)
- echo "a{1,2,3}b" | sed -r "s/{}/_/" (3)
Cases (1) and (3) should throw errors but they actually succeed, and (2)
throws an error when it should match the literal '}'. The correct behavior
was decided by comparing to the behavior with the equivalent BRE (1)(3) or
ERE (2) and consulting POSIX, along with some reasonable evaluation.
Tests were also adjusted/added accordingly.
PR: 166861
Reviewed by: emaste, ngie, pfg
Approved by: emaste (mentor)
MFC after: never
Differential Revision: https://reviews.freebsd.org/D10315
o Replace __riscv64 with (__riscv && __riscv_xlen == 64)
This is required to support new GCC 7.1 compiler.
This is compatible with current GCC 6.1 compiler.
RISC-V is extensible ISA and the idea here is to have built-in define
per each extension, so together with __riscv we will have some subset
of these as well (depending on -march string passed to compiler):
__riscv_compressed
__riscv_atomic
__riscv_mul
__riscv_div
__riscv_muldiv
__riscv_fdiv
__riscv_fsqrt
__riscv_float_abi_soft
__riscv_float_abi_single
__riscv_float_abi_double
__riscv_cmodel_medlow
__riscv_cmodel_medany
__riscv_cmodel_pic
__riscv_xlen
Reviewed by: ngie
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D11901
0.8.4:
- void anchor width optimization when we have a custom formatter (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221130)
- make "{[:/18}" do the right thing (also allows "{[:/%s}", wide ? 40 : 10)
- Can't skip anchor formatting in non-display styles
- add test case for {[:/18}
- add upload-xohtml-files to 'make upload'
0.8.3:
- xohtml: Add "-w" option to pull support files from gh_pages
- Add "upload-xohtml-files" target to publish support files in gh_pages/
- add HISTORY/AUTHORS section to man pages
0.8.2:
- xohtml: Add div.units as standard CSS text
- Don't treat values as format strings; they are not
- add "-p" to "mkdir -p build" in setup.sh
- add test case for {U:%%} (from df.c)
- detect end-of-string in '%' and '' escaping
- make xo_simple_field, for common simple cases
- xohtml: nuke "n" in "echo" commands
- rename "format" to "fmt" for consistency; same for "str" to "value"
Submitted by: phil
directories to SUBDIR.${MK_TESTS} idiom
This is being done to pave the way for future work (and homogenity) in
^/projects/make-check-sandbox .
No functional change intended.
MFC after: 1 weeks
How network VF works with hn(4) on Hyper-V in non-transparent mode:
- Each network VF has a cooresponding hn(4).
- The network VF and the it's cooresponding hn(4) have the same hardware
address.
- Once the network VF is up, e.g. ifconfig VF up:
o All of the transmission should go through the network VF.
o Most of the reception goes through the network VF.
o Small amount of reception may go through the cooresponding hn(4).
This reception will happen, even if the the cooresponding hn(4) is
down. The cooresponding hn(4) will change the reception interface
to the network VF, so that network layer and application layer will
be tricked into thinking that these packets were received by the
network VF.
o The cooresponding hn(4) pretends the physical link is down.
- Once the network VF is down or detached:
o All of the transmission should go through the cooresponding hn(4).
o All of the reception goes through the cooresponding hn(4).
o The cooresponding hn(4) fallbacks to the original physical link
detection logic.
All these features are mainly used to help live migration, during which
the network VF will be detached, while the network communication to the
VM must not be cut off. In order to reach this level of live migration
transparency, we use failover mode lagg(4) with the network VF and the
cooresponding hn(4) attached to it.
To ease user configuration for both network VF and non-network VF, the
lagg(4) will be created by the following rules, and the configuration
of the cooresponding hn(4) will be applied to the lagg(4) automatically.
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11635
PR33902: Invalidate line number cache when adding more text to
existing buffer.
This led to crashes as the line number cache would report a bogus
line number for a line of code, and we'd try to find a nonexistent
column within the line when printing diagnostics.
This fixes an assertion when building the graphics/champlain port.
Reported by: antoine, kwm
PR: 219139
[CodeGenPrepare] Cut off FindAllMemoryUses if there are too many uses.
This avoids excessive compile time. The case I'm looking at is
Function.cpp from an old version of LLVM that still had the giant
memcmp string matcher in it. Before r308322 this compiled in about 2
minutes, after it, clang takes infinite* time to compile it. With
this patch we're at 5 min, which is still bad but this is a
pathological case.
The cut off at 20 uses was chosen by looking at other cut-offs in LLVM
for user scanning. It's probably too high, but does the job and is
very unlikely to regress anything.
Fixes PR33900.
* I'm impatient and aborted after 15 minutes, on the bug report it was
killed after 2h.
Pull in r308986 from upstream llvm trunk (by Simon Pilgrim):
[X86][CGP] Reduce memcmp() expansion to 2 load pairs (PR33914)
D35067/rL308322 attempted to support up to 4 load pairs for memcmp
inlining which resulted in regressions for some optimized libc memcmp
implementations (PR33914).
Until we can match these more optimal cases, this patch reduces the
memcmp expansion to a maximum of 2 load pairs (which matches what we
do for -Os).
This patch should be considered for the 5.0.0 release branch as well
Differential Revision: https://reviews.llvm.org/D35830
These fix a hang (or extremely long compile time) when building older
LLVM ports.
Reported by: antoine
PR: 219139
Given an empty pattern (i.e. grep "" A B), bsdgrep(1) would previously exit()
with the appropriate exit code upon encountering an empty file. Likely intended
as an optimization, but this behavior is technically incorrect since an empty
pattern should match every line.
PR: 220924
Reviewed by: emaste, cem (earlier version), ngie
Approved by: emaste (mentor)
Differential Revision: https://reviews.freebsd.org/D11698
PR32034: Evaluate _Atomic(T) in-place when T is a class or array type.
This is necessary in order for the evaluation of an _Atomic
initializer for those types to have an associated object, which an
initializer for class or array type needs.
This fixes an assertion when building recent versions of LinuxCNC.
Reported by: trasz
PR: 220883
MFC after: 1 week
BREs recently became prematurely sensitive to the branching operator, which
outright broke expressions that used it instead of failing silently. Test
that \| is matching a literal | for the time being.
Reviewed by: cem, emaste, ngie
Approved by: emaste (mentor)
Differential Revision: https://reviews.freebsd.org/D11577
Previously these were shown only for MIPS objects.
Obtained from: ELF Tool Chain r3564
MFC after: 1 week
MFC with: r321045
Sponsored by: The FreeBSD Foundation
Some non-processor-specific DT_* values overlap the range DT_LOPROC to
DT_HIPROC. Handle common ones first, then the processor-specific ones.
Obtained from: ELF Tool Chain r3563
Sponsored by: The FreeBSD Foundation
Create libdl.so.1 as a filter for libc.so.7 which exports public dl*
functions. The functions are resolved from the rtld instead, the goal
of creating library is to avoid errors from the static linker due to
missed libdl. For static binaries, an empty .o is compiled into
libdl.a so that static binaries still get dl stubs from libc.a.
Right now lld cannot create filter objects, disable libdl on arm64
when binutils are not used.
Reviewed by: bdrewery, dim (previos version); emaste
Exp run: PR 220525, done by antoine
Sponsored by: The FreeBSD Foundation
MFC after: 1 month
Differential revision: https://reviews.freebsd.org/D11504
ATF cleanup routines run in separate processes from the tests themselves, so
they can't share global variables.
Also, setdomainname_test needs to be is_exclusive because the test cases
access a global resource.
PR: 219967
Reviewed by: ngie
MFC after: 3 weeks
Sponsored by: Spectra Logic Corp
Differential Revision: https://reviews.freebsd.org/D11188
the limit to 32MB instead.
Require user=root and memory=64MB+ first so one can be reasonably sure that
the test will function appropriately.
MFC after: 1 month
MFC with: r320726
PR: 220502
Script commands are processed before unused synthetic sections are
removed. Therefore, if a linker script matches one of these sections
it'll get emitted as an empty output section because the logic for
removing unused synthetic sections ignores script commands which
could have already matched and captured one of these sections. This
patch fixes that by also removing the unused synthetic sections from
the script commands.
Discussed with: dim
Obtained from: LLVM r307037
Sponsored by: The FreeBSD Foundation
This LLD commit was intended to fix one case of symbol versioning
(LLVM PR28414) but broke FreeBSD buildworld. It has been reverted
upstream in LLVM r306996.
Discussed with: dim
