javm/
error.rs

1//! Errors surfaced by the v3 Vm.
2
3use javm_cap::{CacheError, CapError, OpError};
4
5/// Errors from the Vm driver. Distinct from per-instruction
6/// `ExitReason` values (those come from `javm_exec`).
7#[derive(Debug, thiserror::Error)]
8pub enum VmError {
9    #[error("call stack full (max depth reached)")]
10    CallStackFull,
11    #[error("call stack empty")]
12    CallStackEmpty,
13    #[error("invariant violated: {0}")]
14    Invariant(&'static str),
15    #[error("reference entry targets out-of-range position {0}")]
16    ReferenceOutOfRange(usize),
17    #[error("reference entry targets a non-instance entry at position {0}")]
18    ReferenceNonInstance(usize),
19    #[error("instance lookup failed (no live state for the named instance hash)")]
20    InstanceNotFound,
21    #[error("image lookup failed for content hash")]
22    ImageNotFound,
23    #[error("cap-table operation failed: {0}")]
24    CapTable(#[from] CapError),
25    #[error("MGMT op failed: {0}")]
26    Op(#[from] OpError),
27    #[error("cache operation failed: {0}")]
28    CacheDirectory(#[from] CacheError),
29    #[error("yield marker did not match any handler on the call stack")]
30    UnhandledMarker,
31    #[error("image bytecode failed to parse: {0}")]
32    InvalidBytecode(String),
33    #[error("slot path step {0} expected a Cap::CNode but found a different kind")]
34    SlotKindMismatch(u32),
35    #[error("slot path step {0} traversed an empty slot")]
36    SlotEmpty(u32),
37    #[error("memory mapping setup failed: {0:?}")]
38    MapRegion(javm_exec::MapError),
39}
javm/error.rs

javm/
error.rs
