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971 Commits

Author SHA1 Message Date
Oliver Schneider
b8bd42e8d4 Merge pull request #234 from RalfJung/reallocate 
Make Reallocate & Deallocate less permissive
 2017-07-05 19:54:54 +02:00
Ralf Jung
4165051073 refine comment explaining the order of checks on deallocate 2017-07-05 10:26:15 -07:00
Oliver Schneider
9a04be974c Merge pull request #232 from oli-obk/master 
Only check pointers when dereferencing
 2017-07-04 09:50:54 +02:00
Oliver Schneider
10ec543b9e Merge pull request #235 from RalfJung/intrinsics 
Implement some missing intrinsics
 2017-07-04 08:38:22 +02:00
Ralf Jung
30f92f8a27 catch overflows that are hidden by first casting the RHS to u32 2017-07-03 20:50:19 -07:00
Ralf Jung
ffd482e2f5 check the assumptions made by the unchecked_ and copy_nonoverlapping intrinsics 2017-07-03 20:37:38 -07:00
Ralf Jung
f118ff43e7 implement the unchecked_ intrinsics; add all the doctests from one of the integer modules 2017-07-03 20:37:33 -07:00
Ralf Jung
440c4778fa validate size and alignment on reallocate and deallocate 2017-07-03 16:47:58 -07:00
Ralf Jung
dc9f5a205f properly check for: double-free, use-after-reallocate 2017-07-03 16:12:11 -07:00
Ralf Jung
030166757c Fix transmute on ByValPair 
Fixes #227
 2017-07-03 13:58:50 -07:00
Oliver Schneider
823b952ef2 Only check pointers when dereferencing 
Before we also checked whether pointers had alloc_ids when we created rvalue references
 2017-07-03 14:16:11 +02:00
David Renshaw
e3fa4fb849 get cargo-miri to work 2017-06-29 13:06:36 -04:00
Oliver Schneider
8722ce8d4b Merge pull request #223 from oli-obk/lvalue_read 
Reinstate `eval_and_read_lvalue` optimizations
 2017-06-29 15:40:06 +02:00
David Renshaw
73ab5c77c2 normalize signature before passing to check_sig_compat 2017-06-29 07:58:22 -04:00
David Renshaw
32e7dcb6fb update for upstream changes to TyFnDef 2017-06-28 22:00:17 -04:00
Oliver Schneider
695f9723d2 Merge pull request #222 from oli-obk/const_eval_checks 
Address comments to previous PR
 2017-06-28 23:08:58 +02:00
Ralf Jung
51b43215a4 cast -> transmute 2017-06-28 11:37:15 -07:00
Oliver Schneider
917c89e697 Optimize lvalue reads from Value::ByVal and Value::ByValPair 2017-06-28 13:37:23 +02:00
Oliver Schneider
91409f1d76 Code nits 2017-06-28 13:10:50 +02:00
Oliver Schneider
c8079c652c
Address comments 2017-06-28 10:17:14 +02:00
Oliver Schneider
a724a39323 Reword comments 2017-06-28 09:46:41 +02:00
Oliver Schneider
5dfaacf310 Simplify all the code 2017-06-27 13:36:41 +02:00
Oliver Schneider
ab400f3eea Initial work towards checking const eval rules in miri 2017-06-26 17:58:47 +02:00
Ralf Jung
76a1d66e77 fix build after rebase 2017-06-24 11:05:53 -07:00
Ralf Jung
38d03392fa Clarify pattern matching 2017-06-24 11:05:13 -07:00
Ralf Jung
b1acc130bb check alignment of pointers on Ref 2017-06-24 11:05:13 -07:00
Ralf Jung
f0c8df2291 handle ptr-int casts explicitly in cast.rs 2017-06-24 11:05:13 -07:00
Oliver Schneider
eca9e3429a PrimVal used to allow comparing Undef 2017-06-23 16:12:03 +02:00
Oliver Schneider
5ee4fdcd15 fetch_tls_dtor "read" an Undef as nonzero 2017-06-23 13:31:00 +02:00
Oliver Schneider
c4fc6c677d Typo 2017-06-23 13:30:31 +02:00
Oliver Schneider
9be3e9185b Remove the zst allocation 2017-06-23 12:55:49 +02:00
Ralf Jung
d5c031640f use PrimVal::to_bool rather than bytes_to_bool 2017-06-22 20:20:26 -07:00
Ralf Jung
14cb31fb88 permit bit-anding in pointer values below the alignment 
This makes HashMap work!
 2017-06-22 14:46:53 -07:00
Ralf Jung
269667e152 implement _nonzero intrinsics 2017-06-22 14:46:53 -07:00
Ralf Jung
c1a6df941e permit all kinds of 0-offsets on ZSTs 2017-06-22 14:26:17 -07:00
Ralf Jung
2f61356858 permit offsetting a NULL-ptr by 0, to fix hashmap test 2017-06-22 13:41:13 -07:00
Ralf Jung
57391bab10 fix unused variable warning 2017-06-22 11:33:39 -07:00
Ralf Jung
6512fa7be8 use PrimVal::is_null 2017-06-22 11:33:31 -07:00
Ralf Jung
3637aa86c8 allow any offset on integer pointers 2017-06-22 11:28:00 -07:00
Oliver Schneider
8de111018d Merge pull request #201 from oli-obk/test_suite_fails 
"Support" more libc functions
 2017-06-22 14:16:45 +02:00
Oliver Schneider
8733bd0e7c Update mod.rs 2017-06-22 11:40:06 +02:00
Oliver Schneider
a805606d45 malloc should return null for zst allocs 2017-06-22 08:52:53 +02:00
Ralf Jung
7b2b0dd56c test HashMap creation in libstd-MIR, and make it work again 2017-06-21 23:09:34 -07:00
Ralf Jung
894306e47d refactor pointer arithmetic handling 2017-06-21 22:59:47 -07:00
Ralf Jung
78aa93fa10 correctly reject functions pointers that had arithmetic done to them 2017-06-21 21:45:51 -07:00
Ralf Jung
7b1582b383 permit integer addition and subtraction on ptr-integers 2017-06-21 21:38:43 -07:00
Ralf Jung
b8c5e7fd0e refactor pointer handling in binops 2017-06-21 21:02:11 -07:00
Ralf Jung
184d3b3bad expand thread-local storage tests to cover dtor order and re-running dtors 2017-06-21 20:17:07 -07:00
Oliver Schneider
a630677b01 Report better errors on random numbers and threads 2017-06-21 16:34:40 +02:00
Oliver Schneider
ecc44fec7e Implement malloc and free 2017-06-21 15:51:42 +02:00
Oliver Schneider
f22c7e43df Store env vars where necessary 2017-06-21 15:46:30 +02:00
Oliver Schneider
5414825f09
Simplify numeric intrinsics 2017-06-21 15:08:19 +02:00
Oliver Schneider
a82fe9ae0c Enable more zst writes and reads 2017-06-20 16:26:53 +02:00
Oliver Schneider
ea6f6079ca
Use PrimVal instead of Pointer where applicable 2017-06-20 14:28:19 +02:00
Oliver Schneider
a6734cd890
Fix unions 2017-06-20 14:28:18 +02:00
Oliver Schneider
75fddee700
Simplify the return lvalue 2017-06-20 14:28:18 +02:00
Oliver Schneider
a2baeb516c
Run the tls destructors in the correct order 2017-06-20 14:28:18 +02:00
Oliver Schneider
43afa20dc7
Add pthread docs 2017-06-20 14:28:18 +02:00
Oliver Schneider
fcf495821e
Get rid of the integer allocation 2017-06-20 14:28:18 +02:00
Oliver Schneider
f5ca91e812
Update to latest nightly 2017-06-20 14:28:18 +02:00
David Renshaw
f14ebd1142 handle EndRegion as no-op 2017-06-20 19:35:46 +09:00
Oliver Schneider
03577a905a Fix some clippy warnings 2017-06-12 13:56:29 +02:00
David Renshaw
f174cc8a4c tcx.infer_ctxt() no longer takes an argument 2017-06-10 20:39:48 -04:00
Ralf Jung
e0559a6b24 typos 2017-06-08 10:56:49 -07:00
Ralf Jung
3e1596d8c9 Error out when "primitive MIR math" (as opposed to unchecked intrinsics) overflows 
Fixes #178
 2017-06-07 15:39:44 -07:00
Ralf Jung
e1562fbe71 comments 2017-06-06 10:15:54 -07:00
David Renshaw
49fb43f293 use type_align() and type_size() instaed of size_and_align_of_dst() 2017-06-06 10:29:53 -04:00
David Renshaw
c8be312933 fix issue 184 by marking the destination as a packed struct 2017-06-06 09:49:34 -04:00
Ralf Jung
91b93bc701 less strict kind test for pointer operations 2017-06-05 18:23:25 -07:00
Ralf Jung
684de68d6c properly wrap pointer offsets at pointer size 2017-06-05 18:07:26 -07:00
Ralf Jung
7bfda59fe2 don't bother inserting integer relocations into the relocation table 2017-06-05 17:17:16 -07:00
Ralf Jung
36505c7b40 fix bitops being accidentally allowed on pointers from the same allocation 2017-06-05 17:17:16 -07:00
Ralf Jung
a291153414 Permit ptr->int->ptr roundtrip 2017-06-05 15:18:40 -07:00
Ralf Jung
2a231d66fc check bounds when using offset intrinsic or MIR op 2017-06-05 14:27:26 -07:00
Ralf Jung
f39e015163 check for overflow when doing pointer arithmetic 2017-06-05 14:23:35 -07:00
Ralf Jung
70227c87bf fix arith_offset not taking the size of the type into account; test for offset 2017-06-05 14:23:35 -07:00
Ralf Jung
6197f4fac9 Permit int->ptr->int roundtrip 2017-06-05 14:23:35 -07:00
Ralf Jung
cfff91ba3e write_bytes intrinsic: if the write count is 0, the pointer does not have to be valid 2017-06-05 14:23:34 -07:00
Ralf Jung
1b5f77e4c1 Implement Offset like the other binary operators, share code with the intrinsic 
Also improve drop glue tests
 2017-06-05 14:19:10 -07:00
Ralf Jung
31cf66d0e8 remove our array drop glue and use rustc's instead; implement the new Offset and SizeOf operators 2017-06-05 10:06:40 -07:00
David Renshaw
ca8347a1ff update for upstream ParamEnv changes 2017-06-02 21:00:35 -04:00
Oliver Schneider
ec7f1d5248 Fix typo 2017-06-02 06:53:52 +02:00
Ralf Jung
dd7735b722 make StorageLive kill the current value of the local 2017-06-01 17:59:00 -07:00
Ralf Jung
db6ce463fe fix some nits 2017-06-01 11:01:55 -07:00
Ralf Jung
e6eaf2083a interpret StorageLive & StorageDead, and check dead stack slots are not used 2017-05-31 17:41:33 -07:00
Ralf Jung
44a45f7c34 run test suite also against libstd with full MIR 2017-05-31 13:39:40 -07:00
Ralf Jung
6619ed89ba bin/miri.rs looks for RUST_SYSROOT, so should bin/cargo-miri.rs 2017-05-31 11:17:33 -07:00
David Renshaw
fbc46276ff prevent 'attempt to shift left with overflow' panic on platforms where pthread_key_t is 64 bits 2017-05-31 10:43:36 -04:00
Ralf Jung
2b37d500f1 simplify determining size and alignment of a pointer 2017-05-30 17:03:45 -07:00
Ralf Jung
b44babf230 allocate return pointer only when we start the program via the start lang item 2017-05-30 15:40:26 -07:00
Ralf Jung
dad95474cb test thread-local key with no dtor 2017-05-30 10:41:38 -07:00
Ralf Jung
24a9a14dfa fix various small nits 2017-05-30 10:41:38 -07:00
Ralf Jung
1241938f97 test suite now also passes on MIR-libstd 
Also enable some tests that were disabled for no apparant reason.
(The comment in zst.rs was wrong, the test was disabled also for miri execution.)
Delete env_args test as the args can actually be queried with MIR-libstd (currently, they are always empty)
 2017-05-30 10:41:38 -07:00
Ralf Jung
99433a1ffd improve fn pointer signature check to allow some casts that should be permitted 
Also properly check the "non-capturing Fn to fn" case
 2017-05-30 10:41:38 -07:00
Ralf Jung
cd6e3e6431 If a "start" lang item incl. MIR is present, run that instead of running main directly 
This fixes the memory leaks when running a simple "Hello World" with MIR-libstd
 2017-05-30 10:41:38 -07:00
Ralf Jung
720c5f874e implement __rust_maybe_catch_panic 2017-05-30 10:41:38 -07:00
Ralf Jung
55438fe5bf unify the way we intercept missing MIR and C ABI calls; only intercept C ABI calls if MIR is missing 2017-05-30 10:41:38 -07:00
Ralf Jung
14b16dcf45 use proper span for TLS dtors; fix some nits 2017-05-30 10:41:38 -07:00
Ralf Jung
a66f359d91 support TLS destructors 2017-05-30 10:41:38 -07:00
Ralf Jung
238211e1b3 implement TLS 2017-05-30 10:41:38 -07:00
Ralf Jung
452cc9b396 handle statics with linkage: initialize them with NULL 2017-05-30 10:41:38 -07:00
Ralf Jung
33d42f4b82 also support writing to stderr 2017-05-30 10:41:38 -07:00
Ralf Jung
ab90500d8c Make println!("String") work 
miri complains about a memory leak when the program terminates.  This may be related to thread-local dtors not running.
 2017-05-30 10:41:38 -07:00
David Renshaw
c384f9568d Rvalue::Box -> Rvalue::NullaryOp 2017-05-30 09:27:08 -04:00
David Renshaw
48662d5199 update for upstream changes with ty::ParamEnv 2017-05-23 23:40:39 -04:00
David Renshaw
0641e932bc implement __rust_allocate_zeroed C ABI function 2017-05-21 15:48:31 -04:00
David Renshaw
2b84e176fb update for new boxier mir 2017-05-13 07:09:57 -04:00
Oliver Schneider
5f67ba76f5 Removed unused crate imports 2017-05-05 10:37:04 +02:00
Oliver Schneider
da3860a293 Address things complained about by clippy 2017-05-05 10:34:38 +02:00
Oliver Schneider
07229d6305 Rustup to rustc 1.19.0-nightly (2d4ed8e0c 2017-05-03) 2017-05-04 17:42:43 +02:00
Oliver Schneider
671ccca891 Update to rustc 1.19.0-nightly (777ee2079 2017-05-01) 2017-05-02 10:44:35 +02:00
Oliver Schneider
488fc53db9
Update to the latest rustc version 2017-04-27 13:48:47 +02:00
Oliver Schneider
538c271e05 Address clippy lints 2017-04-26 12:15:42 +02:00
Oliver Schneider
76768479b5 Update for latest rustc changes 2017-04-25 16:51:58 +02:00
David Renshaw
d666bd7e62 update for latest rustc nightly: type_needs_drop_given_env() and type_contents() are gone 2017-04-23 13:45:04 -04:00
Eduard-Mihai Burtescu
b9bd747b6c Import EvalError in lvalue. 2017-04-21 14:02:12 +03:00
Eduard-Mihai Burtescu
738c7d262a Handle Use of ! as Unreachable is not emitted nowadays. 2017-04-21 13:56:44 +03:00
Eduard-Mihai Burtescu
cb3799b44b Update for changes in LocalDecl on nightly. 2017-04-21 13:27:09 +03:00
Oliver Schneider
fdeee8fb59 Cleanup the diff 2017-03-29 09:10:05 +02:00
Oliver Schneider
065e9593b4 Rustup to rustc 1.17.0-nightly (7846dbe0c 2017-03-26) 2017-03-27 10:13:21 +02:00
Oliver Schneider
bbeb7216e0 Thinify the fat pointer on virtual function calls 2017-03-23 18:32:57 +01:00
Oliver Schneider
cb867d250a Fix casting generic functions to concrete function pointers 2017-03-23 17:57:40 +01:00
Oliver Schneider
f4ed482c4d print doesn't add a stack frame, so don't write arguments 2017-03-23 17:36:10 +01:00
Oliver Schneider
fb7cc3c164 Fix single field by val tuples 2017-03-23 16:09:36 +01:00
Oliver Schneider
eecc727e87 Reduce noisyness 2017-03-23 15:52:02 +01:00
Oliver Schneider
1263d56eb0
Merge branch 'master' of https://github.com/tsion/miri 2017-03-23 15:40:47 +01:00
Oliver Schneider
1c9f5ac669 Skip the transmute checks for closure glue 2017-03-23 15:23:53 +01:00
Oliver Schneider
1391c5a10a Reintroduce fn ptr transmute check 2017-03-23 15:17:02 +01:00
Oliver Schneider
4e83659b1d Fix manual rust-call impls 2017-03-23 15:07:33 +01:00
Oliver Schneider
d71f24c00f Fix virtual function calls 2017-03-23 14:57:11 +01:00
Oliver Schneider
ad4f6b920a Fix virtual function calls 2017-03-23 14:24:02 +01:00
Oliver Schneider
d70b79c778 Refactor function calls 2017-03-23 13:36:13 +01:00
Oliver Schneider
70ea218d2b Reuse more rustc code instead of copying it into miri 2017-03-23 13:35:19 +01:00
Oliver Schneider
0255a51468 Fix function pointer calls 2017-03-23 10:04:08 +01:00
David Renshaw
f0bca59ad0 remove feature opt-ins that are no longer needed 2017-03-22 18:59:26 -04:00
Oliver Schneider
caed365dbe Refactor drop into its own module and fix Vec 2017-03-22 18:31:41 +01:00
Oliver Schneider
3ef0b0de2c Dropping slices works again 2017-03-22 17:51:43 +01:00
Oliver Schneider
c409079442 Dropping trait objects works again 2017-03-22 17:48:16 +01:00
Oliver Schneider
9e4e6cdb5c Dropping arrays works again 2017-03-22 17:32:20 +01:00
Oliver Schneider
7c12ebc78d Roll our own MIR for dropping arrays. 2017-03-22 16:16:23 +01:00
Oliver Schneider
030f00a8a1 Fix drop terminator 2017-03-22 14:19:29 +01:00
Oliver Schneider
26c3335dbf Closures work again 2017-03-22 13:13:52 +01:00
David Renshaw
3612d826e7 ast::Attribute no longer has a 'value' field 2017-03-21 11:04:49 -04:00
Oliver Schneider
dc1b0fb436 Compiles again 2017-03-21 13:53:55 +01:00
Oliver Schneider
c6a18cead8 Rustup to rustc 1.17.0-nightly (134c4a0f0 2017-03-20) 2017-03-21 09:21:51 +01:00
Scott Olson
a82924b3e2 Merge pull request #152 from oli-obk/intrinsics 
Intrinsics and overflow
 2017-03-14 13:35:51 -07:00
Scott Olson
0ca0676abd Merge pull request #146 from oli-obk/peephole1 
[Peephole Optimization 1/n] Don't allocate for structs with a single primval field
 2017-03-14 09:57:02 -07:00
Scott Olson
6ee8595375 Merge pull request #147 from oli-obk/rustup 
rustup to rustc 1.17.0-nightly (60a0edc6c 2017-02-26)
 2017-03-14 09:49:40 -07:00
Oliver Schneider
257ac5803f Don't unconditionally mask bitshift rhs 2017-03-14 14:24:16 +01:00
Oliver Schneider
bb33830c60 Implement more atomic intrinsics 2017-03-14 13:05:51 +01:00