1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

#![feature(rustc_private)]
#![feature(map_first_last)]
#![feature(map_try_insert)]
#![feature(never_type)]
#![feature(try_blocks)]
#![feature(let_else)]
#![feature(io_error_more)]
#![feature(int_log)]
#![feature(variant_count)]
#![feature(yeet_expr)]
#![feature(is_some_with)]
#![feature(nonzero_ops)]
#![feature(local_key_cell_methods)]
// Configure clippy and other lints
#![allow(
    clippy::collapsible_else_if,
    clippy::collapsible_if,
    clippy::comparison_chain,
    clippy::enum_variant_names,
    clippy::field_reassign_with_default,
    clippy::manual_map,
    clippy::new_without_default,
    clippy::single_match,
    clippy::useless_format,
    clippy::derive_partial_eq_without_eq,
    clippy::derive_hash_xor_eq,
    clippy::too_many_arguments,
    clippy::type_complexity,
    clippy::single_element_loop,
    clippy::needless_return,
    // We are not implementing queries here so it's fine
    rustc::potential_query_instability
)]
#![warn(
    rust_2018_idioms,
    clippy::cast_possible_wrap, // unsigned -> signed
    clippy::cast_sign_loss, // signed -> unsigned
    clippy::cast_lossless,
    clippy::cast_possible_truncation,
)]

extern crate rustc_apfloat;
extern crate rustc_ast;
#[macro_use]
extern crate rustc_middle;
extern crate rustc_const_eval;
extern crate rustc_data_structures;
extern crate rustc_hir;
extern crate rustc_index;
extern crate rustc_session;
extern crate rustc_span;
extern crate rustc_target;

mod concurrency;
mod diagnostics;
mod eval;
mod helpers;
mod intptrcast;
mod machine;
mod mono_hash_map;
mod operator;
mod range_map;
mod shims;
mod stacked_borrows;

// Establish a "crate-wide prelude": we often import `crate::*`.

// Make all those symbols available in the same place as our own.
pub use rustc_const_eval::interpret::*;
// Resolve ambiguity.
pub use rustc_const_eval::interpret::{self, AllocMap, PlaceTy, Provenance as _};

pub use crate::shims::dlsym::{Dlsym, EvalContextExt as _};
pub use crate::shims::env::{EnvVars, EvalContextExt as _};
pub use crate::shims::foreign_items::EvalContextExt as _;
pub use crate::shims::intrinsics::EvalContextExt as _;
pub use crate::shims::os_str::EvalContextExt as _;
pub use crate::shims::panic::{CatchUnwindData, EvalContextExt as _};
pub use crate::shims::time::EvalContextExt as _;
pub use crate::shims::tls::{EvalContextExt as _, TlsData};
pub use crate::shims::EvalContextExt as _;

pub use crate::concurrency::{
    data_race::{
        AtomicFenceOrd, AtomicReadOrd, AtomicRwOrd, AtomicWriteOrd,
        EvalContextExt as DataRaceEvalContextExt,
    },
    sync::{CondvarId, EvalContextExt as SyncEvalContextExt, MutexId, RwLockId},
    thread::{
        EvalContextExt as ThreadsEvalContextExt, SchedulingAction, ThreadId, ThreadManager,
        ThreadState,
    },
};
pub use crate::diagnostics::{
    register_diagnostic, report_error, EvalContextExt as DiagnosticsEvalContextExt,
    NonHaltingDiagnostic, TerminationInfo,
};
pub use crate::eval::{
    create_ecx, eval_entry, AlignmentCheck, BacktraceStyle, IsolatedOp, MiriConfig, RejectOpWith,
};
pub use crate::helpers::{CurrentSpan, EvalContextExt as HelpersEvalContextExt};
pub use crate::intptrcast::ProvenanceMode;
pub use crate::machine::{
    AllocExtra, Evaluator, FrameData, MiriEvalContext, MiriEvalContextExt, MiriMemoryKind,
    Provenance, ProvenanceExtra, NUM_CPUS, PAGE_SIZE, STACK_ADDR, STACK_SIZE,
};
pub use crate::mono_hash_map::MonoHashMap;
pub use crate::operator::EvalContextExt as OperatorEvalContextExt;
pub use crate::range_map::RangeMap;
pub use crate::stacked_borrows::{
    CallId, EvalContextExt as StackedBorEvalContextExt, Item, Permission, SbTag, Stack, Stacks,
};

/// Insert rustc arguments at the beginning of the argument list that Miri wants to be
/// set per default, for maximal validation power.
pub const MIRI_DEFAULT_ARGS: &[&str] = &[
    "-Zalways-encode-mir",
    "-Zmir-emit-retag",
    "-Zmir-opt-level=0",
    "--cfg=miri",
    "-Cdebug-assertions=on",
    "-Zextra-const-ub-checks",
];