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-rw-r--r--src/arm32/address/mod.rs52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/arm32/address/mod.rs b/src/arm32/address/mod.rs
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+// Copyright 2024 Gabriel Bjørnager Jensen.
+//
+// This file is part of Pollex.
+//
+// Pollex is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Af-
+// fero General Public License as published by the
+// Free Software Foundation, either version 3 of
+// the License, or (at your option) any later ver-
+// sion.
+//
+// Pollex is distributed in the hope that it will
+// be useful, but WITHOUT ANY WARRANTY; without
+// even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Af-
+// fero General Public License along with Pollex.
+// If not, see <https://www.gnu.org/licenses/>.
+
+use crate::arm32::{Register, Shifter};
+
+use core::fmt::{Display, Formatter};
+
+/// An address operand.
+#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+pub enum Address {
+ ImmediateOffset { base: Register, source: i32 },
+
+ RegisterOffset { base: Register, source: Register },
+
+ ScaledRegisterOffset { base: Register, source: Register, shift: Shifter },
+
+}
+
+impl Display for Address {
+ fn fmt(&self, f: &mut Formatter) -> core::fmt::Result {
+ use Address::*;
+
+ match *self {
+ ImmediateOffset { base, source }
+ => write!(f, "[{base}, #{source}]"),
+
+ RegisterOffset { base, source }
+ => write!(f, "[{base}, {source}]"),
+
+ ScaledRegisterOffset { base, source, shift }
+ => write!(f, "[{base}, {source}, {shift}]"),
+ }
+ }
+}