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Author SHA1 Message Date
Ralf Jung
63a0f04ed0 rustup; bring back mir-opt-level 3 2020-10-07 09:05:18 +02:00
Ralf Jung
3e655665b7 test VecDeque::iter_mut aliasing 2020-10-07 09:00:55 +02:00
bors
6a342a6ecb Auto merge of #1575 - Aaron1011:fix/macro-backtrace, r=oli-obk 
Use macro callsite spans in backtrace

This mirrors what we do in the debuginfo used for runtime backtraces.
 2020-10-06 14:04:41 +00:00
bors
dbdc127d5d Auto merge of #1576 - RalfJung:gha, r=RalfJung 
add bors notification jobs

There are probably ways to simplify this... I just copied this from the Rust repo and expanded the anchors and adjusted the `needs` thing. Hopefully this unblocks Miri PR landing.
 2020-10-06 11:36:22 +00:00
Ralf Jung
c3a1225233 add bors notification jobs 2020-10-06 13:35:39 +02:00
Aaron Hill
8e8828259a
Use macro callsite spans in backtrace 
This mirrors what we do in the debuginfo used for runtime backtraces.
 2020-10-05 17:29:55 -04:00
bors
95f0ad191b Auto merge of #1573 - RalfJung:rustup, r=RalfJung 
rustup; disable opt level >=2 tests due to ICE

Cc https://github.com/rust-lang/rust/issues/77564 for the ICE
 2020-10-05 08:31:18 +00:00
Ralf Jung
808032a0ed rustup; disable opt level >=2 tests due to ICE 2020-10-05 10:30:50 +02:00
bors
60c1075820 Auto merge of #1564 - Aaron1011:readlink, r=RalfJung 
Implement `readlink`

Due to the truncating behavior of `readlink`, I was not able to
directly use any of the existing C-cstring helper functions.
 2020-10-04 21:07:55 +00:00
Ralf Jung
3aaab3dd98
more punctuation 2020-10-04 23:07:19 +02:00
Aaron Hill
c1c82c2503
Properly capitalize PathConversion 2020-10-04 16:28:09 -04:00
Aaron Hill
4eea02e725
Normalize MIRI_TEMP before using it 2020-10-04 16:26:09 -04:00
bors
9202f7ddc6 Auto merge of #1572 - RalfJung:rustup, r=RalfJung 
rustup; test NaN conversion issue
 2020-10-04 16:57:56 +00:00
Ralf Jung
02257870a6 rustup; test NaN conversion issue 2020-10-04 18:56:51 +02:00
Aaron Hill
9e6320f101
Move convert_path_separator to trait and use it in readlink 2020-10-04 12:34:13 -04:00
Aaron Hill
bbba87ce54
Swap order of assertions for easier debugging 2020-10-04 12:06:51 -04:00
Aaron Hill
462f58298a
Make helper functions freestanding 2020-10-04 12:06:51 -04:00
Aaron Hill
5fc5490bc8
Add trailing punctuation 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-10-04 12:06:51 -04:00
Aaron Hill
0e59b6f673
Merge fs and fs_libc tests 2020-10-04 12:06:51 -04:00
Aaron Hill
8b89c7e1da
Use panicking coversions instead of as 2020-10-04 12:06:51 -04:00
Aaron Hill
186d59a3ec
Move some helper functions around 2020-10-04 12:06:51 -04:00
Aaron Hill
78bc89b4fc
Implement readlink 
Due to the truncating behavior of `readlink`, I was not able to
directly use any of the existing C-cstring helper functions.
 2020-10-04 12:06:51 -04:00
bors
00106b9f1f Auto merge of #1563 - lzutao:dummy-actions, r=RalfJung 
Add a dummy actions template to enable it on CI

I already had a complete template to transition from Travis and Appveyor.
Since actions will not run on repo haven't enabled it before.
I have this dummy template first to enable it on default branch.
We should address a few todo here, merge it and I will send another patch
to complete the migration.
 2020-10-04 13:14:43 +00:00
Lzu Tao
1c9db02508 Add a dummy actions template to enable it on CI 2020-10-04 18:53:13 +07:00
bors
3fafb835ea Auto merge of #1570 - RalfJung:syscalls, r=RalfJung 
check that all syscall arguments are scalars

`@m-ou-se` do you think this check makes sense?

The `abi` of a layout contains everything needed for the calling convention (as far as I know), so this should ensure that all the ignored arguments are passed like integers and do not otherwise mess up argument passing.

The one thing I am not sure about is what happens when more arguments are passed than fit in registers. The `syscall` man page says that all calling conventions support at least 6 arguments, except for "mips/o32" where it says that
```
       [1] The mips/o32 system call convention passes arguments 5 through 8 on the user stack.
```
If we assume that passing these extra arguments to futex is legal even with that calling convention, that would mean that those user stack arguments are just silently ignored as well, which seems plausible to me -- but I know very little about calling conventions.
 2020-10-03 15:49:15 +00:00
Ralf Jung
2b2a3a0cc1 check that all syscall arguments are scalars 2020-10-03 16:01:53 +02:00
bors
5620ad015d Auto merge of #1569 - RalfJung:rustup, r=RalfJung 
bump Rust version and a bit of cleanup
 2020-10-03 13:28:37 +00:00
Ralf Jung
a4cbbddc8e merge parking test into general synchronization test 2020-10-03 15:27:23 +02:00
Ralf Jung
b350c80a31 add backtics back in isolation error message 2020-10-03 15:25:30 +02:00
Ralf Jung
044c9ca206 rustup 2020-10-03 15:19:57 +02:00
bors
b0e02f0218 Auto merge of #1568 - fusion-engineering-forks:futex, r=RalfJung 
Implement futex_wait and futex_wake.

Fixes https://github.com/rust-lang/rust/issues/77406 and fixes #1562.

This makes std's park(), park_timeout(), and unpark() work. That means std::sync::Once is usable again and the test pass again with the latest rustc.

This also makes parking_lot work.
 2020-10-03 12:36:03 +00:00
Mara Bos
68776d2921
Add FIXME about type of addr in futex implementation. 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-10-03 14:32:30 +02:00
Mara Bos
c268ee2bcb
Add note about use of force_ptr in futex implementation. 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-10-03 14:21:37 +02:00
Mara Bos
dfcb46a4e0 Update syscall FIXME to include note about 'wrong' types. 2020-10-03 13:39:16 +02:00
Mara Bos
dc36988f38 Add test for futex syscall. 2020-10-03 13:34:49 +02:00
Mara Bos
9d764c5750 Add FIXME note about variadic syscall(). 2020-10-03 12:18:38 +02:00
Mara Bos
6df54c47a7 Use read_scalar_at_offset in futex_wait instead of memory.get_raw. 2020-10-03 12:11:24 +02:00
Mara Bos
5880e7d809 Update expected error messages in tests. 2020-10-03 12:00:29 +02:00
Mara Bos
66282754ff Remove backtics from isolation error. 
Otherwise `FUTEX_WAIT with timeout` will look weird.
 2020-10-03 11:38:16 +02:00
Mara Bos
924fd56944 Only allow FUTEX_WAIT with timeout when isoloation is disabled. 2020-10-03 11:35:13 +02:00
Mara Bos
c9627b25fb Use correct return type for syscall(SYS_futex). 2020-10-03 00:40:53 +02:00
Mara Bos
81138825b3 Add park/park_timeout/unpark test. 2020-10-02 23:35:00 +02:00
Mara Bos
e64ead2f46 Implement timeouts for FUTEX_WAIT. 2020-10-02 23:34:14 +02:00
Mara Bos
d5b3f54b46 Use force_ptr in futex implementation. 2020-10-02 21:59:11 +02:00
Mara Bos
422b5053a9
Add note about arguments in futex implementation. 
Co-authored-by: Ralf Jung <post@ralfj.de>
 2020-10-02 20:56:01 +02:00
Mara Bos
dabd980567 Update note about number of arguments to SYS_futex. 2020-10-02 20:53:31 +02:00
Mara Bos
ee3eb4b223 Add comments that document SYS_futex better. 2020-10-02 10:47:53 +02:00
Mara Bos
712e8006b3 Improve handling of the addr argument in SYS_futex. 2020-10-02 10:47:36 +02:00
Mara Bos
c2fa27c3b8 Check maximum amount of arguments to SYS_futex. 2020-10-02 10:46:57 +02:00
Mara Bos
1c582e7c96 Return correct value from futex_wait. 2020-10-02 01:49:20 +02:00