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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:25:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:25:53 +0000 |
commit | 73e0a5b7696ea019ba35b89f38fc8e7b285d99cb (patch) | |
tree | 0d2e175af6f114cb50a675bec0bc76e12e1bceb4 /compiler/stable_mir/src/target.rs | |
parent | Adding upstream version 1.75.0+dfsg1. (diff) | |
download | rustc-upstream.tar.xz rustc-upstream.zip |
Adding upstream version 1.76.0+dfsg1.upstream/1.76.0+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/stable_mir/src/target.rs')
-rw-r--r-- | compiler/stable_mir/src/target.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/compiler/stable_mir/src/target.rs b/compiler/stable_mir/src/target.rs new file mode 100644 index 000000000..41ec205cf --- /dev/null +++ b/compiler/stable_mir/src/target.rs @@ -0,0 +1,50 @@ +//! Provide information about the machine that this is being compiled into. + +use crate::compiler_interface::with; + +/// The properties of the target machine being compiled into. +#[derive(Clone, PartialEq, Eq)] +pub struct MachineInfo { + pub endian: Endian, + pub pointer_width: MachineSize, +} + +impl MachineInfo { + pub fn target() -> MachineInfo { + with(|cx| cx.target_info()) + } + + pub fn target_endianess() -> Endian { + with(|cx| cx.target_info().endian) + } + + pub fn target_pointer_width() -> MachineSize { + with(|cx| cx.target_info().pointer_width) + } +} + +#[derive(Copy, Clone, PartialEq, Eq)] +pub enum Endian { + Little, + Big, +} + +/// Represent the size of a component. +#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)] +pub struct MachineSize { + num_bits: usize, +} + +impl MachineSize { + pub fn bytes(self) -> usize { + self.num_bits / 8 + } + + pub fn bits(self) -> usize { + self.num_bits + } + + pub fn from_bits(num_bits: usize) -> MachineSize { + MachineSize { num_bits } + } +} |