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UserspaceProgramCounter

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This commit is contained in:
Daniel Lubarov 2022-08-01 21:21:35 -07:00
parent 3f08cca116
commit be0a5269ab
1 changed files with 7 additions and 3 deletions
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10
evm/src/cpu/kernel/context_metadata.rs
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@ -5,17 +5,20 @@ pub(crate) enum ContextMetadata {
ParentContext = 0, ParentContext = 0,
/// The program counter to return to when we return to the parent context. /// The program counter to return to when we return to the parent context.
ParentProgramCounter = 1, ParentProgramCounter = 1,
CalldataSize = 2, /// If we're in a system call, this holds the userspace program counter to return to.
ReturndataSize = 3, UserspaceProgramCounter = 2,
CalldataSize = 3,
ReturndataSize = 4,
} }
impl ContextMetadata { impl ContextMetadata {
pub(crate) const COUNT: usize = 4; pub(crate) const COUNT: usize = 5;
pub(crate) fn all() -> [Self; Self::COUNT] { pub(crate) fn all() -> [Self; Self::COUNT] {
[ [
Self::ParentContext, Self::ParentContext,
Self::ParentProgramCounter, Self::ParentProgramCounter,
Self::UserspaceProgramCounter,
Self::CalldataSize, Self::CalldataSize,
Self::ReturndataSize, Self::ReturndataSize,
] ]
@ -26,6 +29,7 @@ impl ContextMetadata {
match self { match self {
ContextMetadata::ParentContext => "CTX_METADATA_PARENT_CONTEXT", ContextMetadata::ParentContext => "CTX_METADATA_PARENT_CONTEXT",
ContextMetadata::ParentProgramCounter => "CTX_METADATA_PARENT_PC", ContextMetadata::ParentProgramCounter => "CTX_METADATA_PARENT_PC",
ContextMetadata::UserspaceProgramCounter => "CTX_METADATA_USERSPACE_PC",
ContextMetadata::CalldataSize => "CTX_METADATA_CALLDATA_SIZE", ContextMetadata::CalldataSize => "CTX_METADATA_CALLDATA_SIZE",
ContextMetadata::ReturndataSize => "CTX_METADATA_RETURNDATA_SIZE", ContextMetadata::ReturndataSize => "CTX_METADATA_RETURNDATA_SIZE",
} }