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2500 Commits

Author SHA1 Message Date
Thom Chiovoloni
c678bd722e Add random failures to compare_exchange_weak 2021-01-26 00:13:54 -08:00
Ralf Jung
13dd513254 adjust Windows shims for stdlib changes (Windows XP removal) 2021-01-25 10:43:48 +01:00
Ralf Jung
7d8f8c405f macos: support aarch64 link names 2021-01-23 18:14:57 +01:00
Ralf Jung
848be1bf82 implement aarch64 hint 'intrinsic' 2021-01-23 18:11:01 +01:00
Corey Farwell
2aedbf0993 Add shim for libc::sysconf(libc::_SC_NPROCESSORS_CONF) 2021-01-22 09:16:27 -05:00
bors
903bfd82bf Auto merge of #1681 - RalfJung:rustup, r=RalfJung 
rustup; remove some intrinsics that are gone or moved to rustc
 2021-01-18 12:02:12 +00:00
Ralf Jung
3d01ba11c0 rustup; remove some intrinsics that are gone or moved to rustc 2021-01-18 12:55:30 +01:00
hyd-dev
9949d9e417
Remove #![feature(const_generics)] and #![allow(incomplete_features)] 2021-01-17 23:28:20 +08:00
Ralf Jung
4a035103dc rustup; make tests pass again 2021-01-15 16:41:14 +01:00
Ralf Jung
8e15f3221e rustup 2021-01-11 12:35:13 +01:00
Ralf Jung
65f5c27d61 remove intrinsic that is now implemented in the rustc side 2020-12-22 12:47:59 +01:00
JCTyblaidd
c13aabcb45 Tidy new_allocation 2020-12-13 11:14:41 +00:00
JCTyblaidd
e73579632b Rework to work with machine hook. 2020-12-13 11:04:58 +00:00
JCTyblaidd
81c4eb7d74 Update src/data_race.rs 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-12-13 11:04:58 +00:00
JCTyBlaidd
aaf8ca4c77 Fix review changes 2020-12-13 11:04:58 +00:00
JCTyBlaidd
296ba8b1c8 Fix bug with reporting wrong thread for races with reads & add thread ids to data-race tests 2020-12-13 11:04:58 +00:00
JCTyblaidd
c4ccd0b6a1 Fix nits 
Co-authored-by: bjorn3 <bjorn3@users.noreply.github.com>
 2020-12-13 11:04:58 +00:00
JCTyBlaidd
1ded6d328a Remove old FIXME 2020-12-13 11:04:58 +00:00
JCTyBlaidd
c45b1b16be More tests, fix issue 1643 and detect races with allocation. 2020-12-13 11:04:58 +00:00
Ralf Jung
7bbd6bca77 rustup 2020-12-10 19:53:45 +01:00
JCTyblaidd
6db821537f
Fix caps 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-12-06 17:59:49 +00:00
JCTyBlaidd
4cf614ef33 Update release sequence handling to C++20 semantics. 2020-12-06 16:58:32 +00:00
Ralf Jung
6145709bfc remove miri-rustc-tests 2020-11-29 21:00:50 +01:00
bors
d473242ecd Auto merge of #1617 - JCTyblaidd:data_race_detector, r=RalfJung 
Add simple data-race detector

Partially fixes data-race detection, see #1372, based on Dynamic Race Detection for C++11

- This does not explore weak memory behaviour, only exploring one sequentially consistent ordering.
- Data-race detection is only enabled after the first thread is created, so should have minimal overhead for non-concurrent execution.
- ~~Does not attempt to re-use thread id's so creating and joining threads lots of time in an execution will result in the vector clocks growing in size and slowing down program execution~~ It does now
 2020-11-29 18:44:28 +00:00
Ralf Jung
cbb695f782
fix some typos 2020-11-29 19:43:44 +01:00
JCTyBlaidd
6c5722933e Fix typos - looked into the papers handling of timestamps, after looking into it again, it seems the paper only increments the timestamp after release operations, so changed to approximation of that implementation. 2020-11-28 17:17:07 +00:00
JCTyBlaidd
55fc552d99 Apply review changes, incrementing the clocks twice is an unnecessary hold-over from earlier versions so fixed. 2020-11-27 19:26:06 +00:00
JCTyBlaidd
3268f56a97 Fix review changes 2020-11-22 17:28:12 +00:00
Ralf Jung
697f6e36bd rustup 2020-11-20 14:07:52 +01:00
Ralf Jung
517728bf97 avoid fallback logic (and we do not need the flag value currently anyway) 2020-11-19 09:36:33 +01:00
Mara Bos
cdb7adb4b3 Make weak syscalls in std work. 
std now looks up `getrandom` and `statx` with `dlsym` before attempting
to use `syscall(SYS_.., ..)`.

It also now passes all arguments as a machine-sized word, instead of
their original types.
 2020-11-19 09:34:46 +01:00
JCTyBlaidd
0b0264fc82 Run rustfmt on vector_clock.rs and data_race.rs 2020-11-15 20:19:34 +00:00
JCTyBlaidd
a3b7839bbd Add comment regarding seq-cst ordering & add test for disabling the data-race detector. 2020-11-15 20:12:58 +00:00
JCTyBlaidd
69fb6413dd Tidy up comments and function layout, should fix most of the review notes. 2020-11-15 18:30:26 +00:00
Ralf Jung
43673d9a87 rustup 2020-11-11 10:29:10 +01:00
JCTyBlaidd
2a40d9b7a0 More aggressive vector index re-use, and added some tests. 2020-11-06 17:29:54 +00:00
Ralf Jung
f31f00d5af rustup 2020-11-05 17:09:44 +01:00
JCTyBlaidd
c70bbea257 Move to use of thread termination hook for vector re-use, 
convert validate atomic op to use shared reference and get_raw
 instead of get_raw_mut so it can be used for validate_atomic_load as well
 2020-11-05 14:18:28 +00:00
JCTyBlaidd
9cb6b8da3f Split out vector_clock to separate file, general tidy up of some of the 
code & add support for vector index re-use for multiple threads
 after termination.
 2020-11-05 03:54:39 +00:00
JCTyBlaidd
95c99b2044 Detect races between atomic and non-atomic accesses of a variable, 
previously only data races between two non-atomic accesses were
 detected.
 2020-11-04 21:35:48 +00:00
JCTyBlaidd
fe2e857cc3 Add newlines at end of file + use replace. 
add dangling thread variant of one of the benchmarks
 2020-11-02 13:08:09 +00:00
JCTyBlaidd
cae4302003 Fix & rebase 2020-11-02 03:06:30 +00:00
JCTyBlaidd
ed32b260f9 Add tests, and fix bug in atomic RMW relaxed stores 2020-11-02 02:57:06 +00:00
JCTyBlaidd
89814f1b3f Initial data-race detector, 
passes all current tests but additional tests are required
 2020-11-02 02:57:05 +00:00
Ralf Jung
194451345d add an option to track raw pointer tags in Stacked Borrows 2020-10-28 12:23:35 +01:00
Ralf Jung
39f7b35327 Stacked Borrows: print affected memory location on errors 2020-10-28 12:04:39 +01:00
Ralf Jung
086e9c49a9 pointer tag tracking: also show when tag is being created 2020-10-27 14:22:29 +01:00
Camelid
05e9ae042c Make miri_default_args() a constant 2020-10-24 12:46:38 -07:00
est31
1ae157bc9e Replace target.target with target 
Rustc removed the target wrapper and exposed the target directly.

Result of running:

find . -type f -exec sed -i -e 's/target\.target\([)\.,;]\)/target\1/g' {} \;

Plus one manual edit of the rust-version file
 2020-10-15 21:18:23 +02:00
bors
73d5c42076 Auto merge of #1580 - Aaron1011:feature/backtrace-fn-ptr, r=RalfJung 
Add an `fn_ptr` field to `MiriFrame`

The `backtrace-rs` crate can use this to implement
`Frame::symbol_address`, which is used to skip frames
above the call to `Backtrace::capture` on the stack.

The function pointer will not be useable for comparison purposes if the
function is generic, as CTFE creates a new function pointer for each
cast of a (monomorphized) generic function. However, this already
affects code running under Miri, and isn't a problem for `backtrace-rs`
(which only casts a non-generic function).

I've added logic to allow `MiriFrame` to have either 4 or 5 fields - if
a 5th field is present, we write the function pointer to it.
 2020-10-11 22:34:57 +00:00