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Diffstat (limited to 'src/arm32/address')
-rw-r--r-- | src/arm32/address/mod.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/arm32/address/mod.rs b/src/arm32/address/mod.rs new file mode 100644 index 0000000..5990d56 --- /dev/null +++ b/src/arm32/address/mod.rs @@ -0,0 +1,52 @@ +// 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}]"), + } + } +} |