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//! Targets the ARMv5TE, with code as `t32` code by default.
use crate::spec::{FloatAbi, FramePointer, Target, TargetMetadata, TargetOptions, base, cvs};
pub(crate) fn target() -> Target {
Target {
llvm_target: "thumbv5te-none-eabi".into(),
metadata: TargetMetadata {
description: Some("Thumb-mode Bare ARMv5TE".into()),
tier: Some(3),
host_tools: Some(false),
std: Some(false),
},
pointer_width: 32,
arch: "arm".into(),
/* Data layout args are '-' separated:
* little endian
* stack is 64-bit aligned (EABI)
* pointers are 32-bit
* i64 must be 64-bit aligned (EABI)
* mangle names with ELF style
* native integers are 32-bit
* All other elements are default
*/
data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".into(),
options: TargetOptions {
abi: "eabi".into(),
llvm_floatabi: Some(FloatAbi::Soft),
// extra args passed to the external assembler (assuming `arm-none-eabi-as`):
// * activate t32/a32 interworking
// * use arch ARMv5TE
// * use little-endian
asm_args: cvs!["-mthumb-interwork", "-march=armv5te", "-mlittle-endian",],
// minimum extra features, these cannot be disabled via -C
// Also force-enable 32-bit atomics, which allows the use of atomic load/store only.
// The resulting atomics are ABI incompatible with atomics backed by libatomic.
features: "+soft-float,+strict-align,+atomics-32".into(),
frame_pointer: FramePointer::MayOmit,
main_needs_argc_argv: false,
// don't have atomic compare-and-swap
atomic_cas: false,
has_thumb_interworking: true,
..base::thumb::opts()
},
}
}
|
