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use ir::immediates::Imm64;
use ir::GlobalValue;
use std::fmt;
#[derive(Clone)]
pub struct HeapData {
pub base: HeapBase,
pub min_size: Imm64,
pub guard_size: Imm64,
pub style: HeapStyle,
}
#[derive(Clone)]
pub enum HeapBase {
ReservedReg,
GlobalValue(GlobalValue),
}
#[derive(Clone)]
pub enum HeapStyle {
Dynamic {
bound_gv: GlobalValue,
},
Static {
bound: Imm64,
},
}
impl fmt::Display for HeapData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match self.style {
HeapStyle::Dynamic { .. } => "dynamic",
HeapStyle::Static { .. } => "static",
})?;
match self.base {
HeapBase::ReservedReg => write!(f, " reserved_reg")?,
HeapBase::GlobalValue(gv) => write!(f, " {}", gv)?,
}
write!(f, ", min {}", self.min_size)?;
match self.style {
HeapStyle::Dynamic { bound_gv } => write!(f, ", bound {}", bound_gv)?,
HeapStyle::Static { bound } => write!(f, ", bound {}", bound)?,
}
write!(f, ", guard {}", self.guard_size)
}
}