From 821a44d3efb677e65b392e627f2d6647841db77e Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Mon, 1 Sep 2025 09:02:43 +0200
Subject: [PATCH] move some configuration enums to a more logical place

---
 src/tools/miri/src/eval.rs    | 59 -----------------------------------
 src/tools/miri/src/lib.rs     | 10 +++---
 src/tools/miri/src/machine.rs | 59 +++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 65 deletions(-)

diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs
index 4c531a8d1f52..43d251b157ba 100644
--- a/src/tools/miri/src/eval.rs
+++ b/src/tools/miri/src/eval.rs
@@ -32,65 +32,6 @@ pub enum MiriEntryFnType {
 /// will hang the program.
 const MAIN_THREAD_YIELDS_AT_SHUTDOWN: u32 = 256;
 
-#[derive(Copy, Clone, Debug, PartialEq)]
-pub enum AlignmentCheck {
-    /// Do not check alignment.
-    None,
-    /// Check alignment "symbolically", i.e., using only the requested alignment for an allocation and not its real base address.
-    Symbolic,
-    /// Check alignment on the actual physical integer address.
-    Int,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq)]
-pub enum RejectOpWith {
-    /// Isolated op is rejected with an abort of the machine.
-    Abort,
-
-    /// If not Abort, miri returns an error for an isolated op.
-    /// Following options determine if user should be warned about such error.
-    /// Do not print warning about rejected isolated op.
-    NoWarning,
-
-    /// Print a warning about rejected isolated op, with backtrace.
-    Warning,
-
-    /// Print a warning about rejected isolated op, without backtrace.
-    WarningWithoutBacktrace,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq)]
-pub enum IsolatedOp {
-    /// Reject an op requiring communication with the host. By
-    /// default, miri rejects the op with an abort. If not, it returns
-    /// an error code, and prints a warning about it. Warning levels
-    /// are controlled by `RejectOpWith` enum.
-    Reject(RejectOpWith),
-
-    /// Execute op requiring communication with the host, i.e. disable isolation.
-    Allow,
-}
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-pub enum BacktraceStyle {
-    /// Prints a terser backtrace which ideally only contains relevant information.
-    Short,
-    /// Prints a backtrace with all possible information.
-    Full,
-    /// Prints only the frame that the error occurs in.
-    Off,
-}
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-pub enum ValidationMode {
-    /// Do not perform any kind of validation.
-    No,
-    /// Validate the interior of the value, but not things behind references.
-    Shallow,
-    /// Fully recursively validate references.
-    Deep,
-}
-
 /// Configuration needed to spawn a Miri instance.
 #[derive(Clone)]
 pub struct MiriConfig {
diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs
index 5ed6d6b346c7..090f10f48133 100644
--- a/src/tools/miri/src/lib.rs
+++ b/src/tools/miri/src/lib.rs
@@ -138,15 +138,13 @@ pub use crate::data_structures::mono_hash_map::MonoHashMap;
 pub use crate::diagnostics::{
     EvalContextExt as _, NonHaltingDiagnostic, TerminationInfo, report_error,
 };
-pub use crate::eval::{
-    AlignmentCheck, BacktraceStyle, IsolatedOp, MiriConfig, MiriEntryFnType, RejectOpWith,
-    ValidationMode, create_ecx, eval_entry,
-};
+pub use crate::eval::{MiriConfig, MiriEntryFnType, create_ecx, eval_entry};
 pub use crate::helpers::{AccessKind, EvalContextExt as _, ToU64 as _, ToUsize as _};
 pub use crate::intrinsics::EvalContextExt as _;
 pub use crate::machine::{
-    AllocExtra, DynMachineCallback, FrameExtra, MachineCallback, MemoryKind, MiriInterpCx,
-    MiriInterpCxExt, MiriMachine, MiriMemoryKind, PrimitiveLayouts, Provenance, ProvenanceExtra,
+    AlignmentCheck, AllocExtra, BacktraceStyle, DynMachineCallback, FrameExtra, IsolatedOp,
+    MachineCallback, MemoryKind, MiriInterpCx, MiriInterpCxExt, MiriMachine, MiriMemoryKind,
+    PrimitiveLayouts, Provenance, ProvenanceExtra, RejectOpWith, ValidationMode,
 };
 pub use crate::operator::EvalContextExt as _;
 pub use crate::provenance_gc::{EvalContextExt as _, LiveAllocs, VisitProvenance, VisitWith};
diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs
index 0136de552163..e27b2e89b48a 100644
--- a/src/tools/miri/src/machine.rs
+++ b/src/tools/miri/src/machine.rs
@@ -49,6 +49,65 @@ pub const SIGRTMAX: i32 = 42;
 /// base address for each evaluation would produce unbounded memory usage.
 const ADDRS_PER_ANON_GLOBAL: usize = 32;
 
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum AlignmentCheck {
+    /// Do not check alignment.
+    None,
+    /// Check alignment "symbolically", i.e., using only the requested alignment for an allocation and not its real base address.
+    Symbolic,
+    /// Check alignment on the actual physical integer address.
+    Int,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum RejectOpWith {
+    /// Isolated op is rejected with an abort of the machine.
+    Abort,
+
+    /// If not Abort, miri returns an error for an isolated op.
+    /// Following options determine if user should be warned about such error.
+    /// Do not print warning about rejected isolated op.
+    NoWarning,
+
+    /// Print a warning about rejected isolated op, with backtrace.
+    Warning,
+
+    /// Print a warning about rejected isolated op, without backtrace.
+    WarningWithoutBacktrace,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum IsolatedOp {
+    /// Reject an op requiring communication with the host. By
+    /// default, miri rejects the op with an abort. If not, it returns
+    /// an error code, and prints a warning about it. Warning levels
+    /// are controlled by `RejectOpWith` enum.
+    Reject(RejectOpWith),
+
+    /// Execute op requiring communication with the host, i.e. disable isolation.
+    Allow,
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub enum BacktraceStyle {
+    /// Prints a terser backtrace which ideally only contains relevant information.
+    Short,
+    /// Prints a backtrace with all possible information.
+    Full,
+    /// Prints only the frame that the error occurs in.
+    Off,
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub enum ValidationMode {
+    /// Do not perform any kind of validation.
+    No,
+    /// Validate the interior of the value, but not things behind references.
+    Shallow,
+    /// Fully recursively validate references.
+    Deep,
+}
+
 /// Extra data stored with each stack frame
 pub struct FrameExtra<'tcx> {
     /// Extra data for the Borrow Tracker.