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ExecBuffer

sp_virtualization

Struct ExecBuffer 

Source 
#[repr(C)]
pub struct ExecBuffer {
    pub gas_left: i64,
    pub syscall_symbol: SyscallSymbol,
    pub a0: u64,
    pub a1: u64,
    pub a2: u64,
    pub a3: u64,
    pub a4: u64,
    pub a5: u64,
}
Expand description

Buffer shared between runtime and executor for passing syscall data across the host function boundary.

The runtime allocates this on its stack and passes it via pointer. The host fills it in when returning from crate::Execution::run.

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§gas_left: i64

Gas remaining after the execution step.

§syscall_symbol: SyscallSymbol

The syscall symbol (only meaningful when the status is ExecStatus::Syscall).

§a0: u64

Syscall register arguments a0-a5 (only meaningful for ExecStatus::Syscall).

§a1: u64§a2: u64§a3: u64§a4: u64§a5: u64

Trait Implementations§

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impl AsMut<[u8]> for ExecBuffer

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fn as_mut(&mut self) -> &mut [u8] ⓘ

Converts this type into a mutable reference of the (usually inferred) input type.
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impl AsRef<[u8]> for ExecBuffer

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fn as_ref(&self) -> &[u8] ⓘ

Converts this type into a shared reference of the (usually inferred) input type.
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impl Debug for ExecBuffer

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for ExecBuffer

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fn default() -> ExecBuffer

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

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