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253 Commits

Author SHA1 Message Date
Ralf Jung
830cc58f8a rustup 2022-04-03 20:00:03 -04:00
Ben Kimock
65125df1cd Consider the cargo workspace when checking if a frame is local 2022-03-18 16:28:13 -04:00
Ralf Jung
bfed3c4f0d implement simd bitmask intrinsics 2022-03-17 13:08:01 -04:00
Ralf Jung
47f8218d0d add write_int_fields to replace write_packed_immediates 
for stat, lookup fields by name
 2022-03-12 12:17:23 -05:00
Ralf Jung
4bd6bc9098 use dirent64_layout and field projections for writing dirent info 2022-03-12 12:03:33 -05:00
Ralf Jung
27d5b846ee rustup 2022-03-12 09:46:10 -05:00
Ralf Jung
6d3506adef fs: add and test for DirectoryNotEmpty error variant 2022-03-07 18:30:12 -05:00
Ralf Jung
f672282bf2 factor SIMD bool handling into helper functions 2022-03-01 18:15:39 -05:00
Ralf Jung
ee6198fb98 rustup 2022-01-09 14:50:03 +01:00
Ralf Jung
a312297973 adjust for FnAbi changes 2021-12-24 12:02:22 +01:00
hyd-dev
3fedc7b249
rustc_target::abi::LayoutOf -> rustc_middle::ty::layout::LayoutOf 2021-09-06 23:05:48 +08:00
Frank Steffahn
c79f6dd5a0 Fix a typo “an”→“a” 2021-08-22 18:07:01 +02:00
Smit Soni
a1cabac727 Fix use of deprecated check_no_isolation in posix fs ops 
Update posix fs shims to use new API `reject_in_isolation`, which
allows rejection with error code instead of always forcing abort.
Error code chosen for each op is the most appropriate one from the
list in corresponding syscall's manual.

Updated helper APIs to not use quotes (`) around input name while
preparing the message. This allows callers to pass multi-word string
like -- "`read` from stdin".
 2021-07-20 08:23:51 -07:00
Ralf Jung
a1233a721d adjust Miri to Pointer type overhaul 2021-07-16 10:10:12 +02:00
Ralf Jung
0341b8ac84 fmt: set force_multiline_blocks=true 2021-07-11 14:18:44 +02:00
Smitty
d19376985d Make work after mir-alloc-oom 2021-07-04 09:59:55 -04:00
hyd-dev
76fe48543c
Update for TyCtxt::crates() change 2021-07-02 16:08:27 +08:00
hyd-dev
9011524454
Remove strip_linker_suffix 2021-06-15 01:16:38 +08:00
hyd-dev
a67a65359f
Only pass Symbol to emulate_foreign_item_by_name 2021-06-15 00:43:15 +08:00
hyd-dev
ce7040075a
Disallow #[no_mangle]/#[export_name = ...] functions that have the same symbol name as built-in shims 2021-06-11 15:18:47 +08:00
bors
e5c3af6f51 Auto merge of #1818 - landaire:feature/panic-on-unsupported-syscalls, r=RalfJung 
Add support for panicking in the emulated application when unsupported functionality is encountered

This PR fixes #1807 and allows an optional flag to be specified to panic when an unsupported syscall is encountered. In essence, instead of bubbling up an error in the context of the Miri application Miri will panic within the context of the *emulated* application. This feature is desired to allow CI pipelines to determine if a Miri failure is unsupported functionality or actual UB. Please read [this comment](https://github.com/rust-lang/miri/issues/1807#issuecomment-845425076) for the rationale behind this change.

Note: this change does not cover all cases where unsupported functionality errors may be raised. If you search the repo for `throw_unsup_format!` there are many cases that I think are less likely to occur and may still be problematic for some folks.

TODO:

- [x] README documentation on this new flag
- [x] Add tests
 2021-06-09 18:09:06 +00:00
Ralf Jung
a38f02c44c isolated operations return EPERM; tweak isolation hint 2021-06-09 18:24:59 +02:00
Smit Soni
ba64f485c8 Fix parameter of io error helper function 
`set_last_error_from_io_error` works with only the error kind, and
discards the payload. Fix its signature to make it explicit.
 2021-06-09 06:28:35 -07:00
Smit Soni
892f706ce5 Add a support to execute isolated op without halting 
In user interface, added a new flag `-Zmiri-isolation-error` which
takes one of the four values -- hide, warn, warn-nobacktrace, and
abort. This option can be used to configure Miri to either abort or
return an error code upon executing isolated op. If not aborted, Miri
prints a warning, whose verbosity can be configured using this flag.

In implementation, added a new enum `IsolatedOp` to capture all the
settings related to ops requiring communication with the
host. Old `communicate` flag in both miri configs and machine
stats is replaced with a new helper function `communicate()` which
checks `isolated_op` internally.

Added a new helper function `reject_in_isolation` which can be called
by shims to reject ops according to the reject_with settings. Use miri
specific diagnostics function `report_msg` to print backtrace in the
warning. Update it to take an enum value instead of a bool, indicating
the level of diagnostics.

Updated shims related to current dir to use the new APIs. Added a new
test for current dir ops in isolation without halting machine.
 2021-06-09 05:50:52 -07:00
Lander Brandt
ae237098f8 Add support for panicking in the emulated application when unsupported syscalls are encountered 2021-06-07 15:21:53 -07:00
hyd-dev
3871c493b2
in_std -> frame_in_std 2021-06-06 11:21:20 +08:00
hyd-dev
545101040d
Don't unwrap() in in_std() 2021-06-06 11:12:13 +08:00
hyd-dev
879000b133
Detect std by checking if the crate defines #[lang = "start"] rather than string comparison 2021-06-06 11:12:05 +08:00
bors
28717a0e90 Auto merge of #1776 - hyd-dev:1170, r=RalfJung 
Implement calls to exported symbols (#1170)

Closes #1170.
 2021-06-03 15:59:56 +00:00
hyd-dev
647ee17b40
original_crate_name -> crate_name 2021-06-03 10:22:31 +08:00
hyd-dev
382295cd47
Move check_abi() into EvalContextExt 2021-05-31 11:15:31 +08:00
hyd-dev
71f4140550
Add -Zmiri-disable-abi-check 2021-05-31 11:14:23 +08:00
Ralf Jung
801a1744cd update for Memory API changes 2021-05-19 15:27:58 +02:00
Ralf Jung
4f171d7fe3 stop relying on c_str/wide_str helpers in rustc 2021-05-17 14:31:59 +02:00
Ralf Jung
4e231bab5e format much of Miri 2021-05-16 11:48:28 +02:00
Ralf Jung
aac6e2ad3e fix checking os_family 2021-05-03 09:57:13 +02:00
Ralf Jung
d1dec9cd23 don't ICE when callee has the wrong number of arguments 2021-03-14 15:38:22 +01:00
Ralf Jung
893843fd45 when Miri calls a function ptr, make sure it has the right ABI 2021-03-14 15:30:37 +01:00
Ralf Jung
98f28ac9c8 rustup 2021-03-11 09:07:05 +01:00
Mara Bos
5bd5ea21ea Remove unwrap_none as it won't be stabilized. 
This upgrades to the latest rustc to be able to use try_insert()
instead.
 2021-03-08 16:59:20 +01:00
Tomasz Miąsko
0eb341417c rustup to e7c23ab933 2021-02-20 00:00:00 +00:00
Nym Seddon
de4eea9d49
Add ABI check for shims 2021-01-27 22:32:25 +00:00
Ralf Jung
43673d9a87 rustup 2020-11-11 10:29:10 +01:00
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
Mara Bos
66282754ff Remove backtics from isolation error. 
Otherwise `FUTEX_WAIT with timeout` will look weird.
 2020-10-03 11:38:16 +02:00
Ralf Jung
b0baa151b2 rustup 2020-09-20 13:13:57 +02:00
David Cook
b06f0d16a9 Use try block instead of closure 2020-09-07 15:09:34 -05:00
David Cook
597360f499 Simplify read_timespec error handling 2020-09-07 11:31:28 -05:00
David Cook
33e928c9ca Review comments 2020-09-07 10:54:39 -05:00
David Cook
6d323e1032 Refactor timespec parsing, improve error handling 2020-09-06 18:07:14 -05:00
LeSeulArtichaut
4f2f87b2df Change ty.kind -> ty.kind() 2020-09-04 22:03:45 +02:00
David Cook
a6746ad893 Add comment 2020-09-02 20:58:41 -05:00
David Cook
7a2c6812b9 Per-thread errno storage 2020-09-02 20:57:20 -05:00
Ralf Jung
5657f08bea fs: move isolation handling to inside trait 2020-08-08 15:24:30 +02:00
Philippe Nadon
5161ba346c renamed ScalarMaybeUninit::not_undef to check_init 
Related to PR https://github.com/rust-lang/rust/pull/74664
 2020-07-26 16:05:20 -06:00
Ralf Jung
7d6aec6887 rustup 2020-07-23 10:40:13 +02:00
Ralf Jung
a9dc2796ca Move get/set_at_offset helpers to global helpers file 2020-06-28 09:23:01 +02:00
Ralf Jung
e063ce2737 rustup; and a bit of UnsafeCell detection refactoring 2020-06-13 11:30:31 +02:00
Ralf Jung
379ac82a1c bump Rust, fix for renames 2020-05-09 10:15:09 +02:00
Chase Albert
4e3d1fee51 Address comments. 2020-05-04 14:24:22 -04:00
Chase Albert
78f329513a Check that shims are called with the correct number of arguments 2020-05-04 13:51:21 -04:00
Vytautas Astrauskas
5224c72403 Move the stack to the evaluator to make Miri compile with the newest Rustc. 2020-04-20 09:19:37 +02:00
Ralf Jung
6ad0187265 rustup for FieldsShape::Primitive 2020-04-17 14:19:26 +02:00
Ralf Jung
9f3383d55d rustup for import changes 2020-04-03 00:05:35 +02:00
Ralf Jung
5ce2466892 fix for FieldPlacement rename 2020-04-02 09:19:56 +02:00
Ralf Jung
f599687f3f adjust for span not being passed around any more 2020-04-02 09:14:17 +02:00
bors
6536f3165e Auto merge of #1290 - RalfJung:rustup, r=RalfJung 
Rustup

Also remove ICEing `breakpoint` intrinsic shim.
 2020-04-01 17:59:33 +00:00
Ralf Jung
1e3800ffb1 rustup 2020-04-01 19:40:10 +02:00
JOE1994
b3f9e53049 Implement 'GetSystemTimeAsFileTime' shim for Windows 2020-04-01 10:55:26 -04:00
Ralf Jung
8948a29a4c adjust for librustc rename; reduce 'extern crate' to rustc crates 2020-03-30 11:07:32 +02:00
Ralf Jung
5ff7eef2ff rustup; fix for TyLayout rename 2020-03-30 10:23:04 +02:00
JOE1994
fe9ecb50d1 Follow-up to reviews from RalfJung 
1. Fix 'fn convert_path_separator' in src/shims/os_str.rs
2. Fix 'fn set_last_error_from_io_error' in src/helpers.rs
3. Minor comment fix for 'fn SetCurrentDirectoryW' in src/shims/env.rs
 2020-03-29 11:30:08 -04:00
JOE1994
a481b8f261 partially implement 'set_last_error_from_io_error' for Windows 2020-03-29 11:30:08 -04:00
Ralf Jung
f181e75db2 rustup 2020-03-29 10:01:31 +02:00
bors
7a5e95c9ac Auto merge of #1276 - RalfJung:scalar-precise-sizes, r=RalfJung 
Construct Scalar with precise sizes
 2020-03-28 18:16:13 +00:00
Ralf Jung
fbbca59de7 avoid Scalar::from_(u)int in favor of giving the size explicitly 2020-03-28 17:35:40 +01:00
bors
ad14b684cc Auto merge of #1275 - JOE1994:move_string_helpers, r=RalfJung 
move OsStr helpers to a separate file

Moved OsStr read/write functions from `src/helpers.rs` to `src/shims/os_str.rs`, in order to keep `src/helpers.rs` from bloating too much.
 2020-03-28 15:32:16 +00:00
JOE1994
99600ba7a9 move OsStr helpers to a separate file 2020-03-28 10:43:47 -04:00
Ralf Jung
9e39bfbbd9 organize shims and make some only available to libstd as they are incomplete 2020-03-28 11:15:11 +01:00
Ralf Jung
876bded2e8 run Windows TLS dtor function 2020-03-28 10:39:29 +01:00
JOE1994
813d76d948 follow-up to reviews 2020-03-27 07:07:21 -04:00
JOE1994
fc8f88e04e change helper fn 'write_os_str_to_wide_str' 2020-03-27 00:08:27 -04:00
Ralf Jung
81d505670b rustup; get rid of some try_from that are no longer needed 2020-03-26 00:11:50 +01:00
Ralf Jung
e9e04e56fc move path methods together, to the bottom of the string helpers 2020-03-24 09:11:48 +01:00
Ralf Jung
c4e29c8646 convert dir separators on path load/store 2020-03-24 09:11:48 +01:00
Ralf Jung
4ac91384ff route all path reading/writing through central read/write methods 2020-03-24 09:11:47 +01:00
JOE1994
5f9167bdaa helper functions for env_var emulation in Windows 2020-03-23 19:40:22 -04:00
Ralf Jung
2f371774ef fix conditional compilation condition for os_str <-> bytes conversion 2020-03-23 19:43:03 +01:00
Ralf Jung
6dcca62b63 move -Zmiri-disable-isolation hint to help 2020-03-22 19:48:59 +01:00
Ralf Jung
d85f09c4e4 platform -> target 2020-03-22 08:55:39 +01:00
Ralf Jung
681819c8ad getting a path should never fail 
we basically treat them as lang items
 2020-03-19 08:26:08 +01:00
Ralf Jung
e6e8773272 start messages in lower-case 2020-03-19 08:25:08 +01:00
Ralf Jung
1103a10e2c adjust for error reform 2020-03-19 08:25:08 +01:00
Ralf Jung
8b6af3eacb avoid using unchecked casts or arithmetic 2020-03-17 15:21:43 +01:00
Ralf Jung
88c45f9891 adjust for rustc changes 2020-03-02 13:51:08 +01:00
Ralf Jung
cc1ebd0af6 some formatting 2020-03-01 10:29:05 +01:00
David Cook
ad8c784009 Return length from write_os_str_to_c_str 2020-02-24 19:50:25 -06:00
David Cook
94f611348f Use os_str_length_as_c_str in readdir[64]_r 2020-02-23 15:37:22 -06:00
Ralf Jung
4a9a0a9078 avoid lowercasing platforms 2020-02-23 18:54:08 +01:00
Ralf Jung
5d35548985 helpers.rs cleanup 2020-02-23 18:52:12 +01:00