#[repr(transparent)]
pub struct UserContext(_);
Expand description

User context saved on trap.

Implementations

Create an empty user context.

Initialize the context for entry into userspace. Note: if the number of args < 3, please fill with zeros Eg: ctx.setup_uspace(pc_, sp_, &[arg1, arg2, 0])

Setup return addr

Switch to user mode.

Available on x86-64 only.

Returns the error_code field of the context.

Returns TrapReason according to the context.

Returns a usize representing the trap reason. (i.e., IDT vector for x86, scause for RISC-V)

Returns the reference of general registers.

Returns the mutable reference of general registers.

Read a field of the context.

Write a field of the context.

Advance the instruction pointer in trap handler on some architecture.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Casts the value.

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Casts the value.

Casts the value.

Casts the value.

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Casts the value.

Casts the value.

Casts the value.

Casts the value.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

Casts the value.

Casts the value.

Casts the value.

Casts the value.