projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 2b03887a FG |
1 | //! Targets the ARMv5TE, with code as `t32` code by default. |
| 2 | ||
| 3 | use crate::spec::{cvs, FramePointer, Target, TargetOptions}; | |
| 4 | ||
| 5 | pub fn target() -> Target { | |
| 6 | Target { | |
| 7 | llvm_target: "thumbv5te-none-eabi".into(), | |
| 8 | pointer_width: 32, | |
| 9 | arch: "arm".into(), | |
| 10 | /* Data layout args are '-' separated: | |
| 11 | * little endian | |
| 12 | * stack is 64-bit aligned (EABI) | |
| 13 | * pointers are 32-bit | |
| 14 | * i64 must be 64-bit aligned (EABI) | |
| 15 | * mangle names with ELF style | |
| 16 | * native integers are 32-bit | |
| 17 | * All other elements are default | |
| 18 | */ | |
| 19 | data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".into(), | |
| 20 | ||
| 21 | options: TargetOptions { | |
| 22 | abi: "eabi".into(), | |
| 23 | // extra args passed to the external assembler (assuming `arm-none-eabi-as`): | |
| 24 | // * activate t32/a32 interworking | |
| 25 | // * use arch ARMv5TE | |
| 26 | // * use little-endian | |
| 27 | asm_args: cvs!["-mthumb-interwork", "-march=armv5te", "-mlittle-endian",], | |
| 28 | // minimum extra features, these cannot be disabled via -C | |
| 29 | // Also force-enable 32-bit atomics, which allows the use of atomic load/store only. | |
| 30 | // The resulting atomics are ABI incompatible with atomics backed by libatomic. | |
| 31 | features: "+soft-float,+strict-align,+atomics-32".into(), | |
| 32 | frame_pointer: FramePointer::MayOmit, | |
| 33 | main_needs_argc_argv: false, | |
| 34 | // don't have atomic compare-and-swap | |
| 35 | atomic_cas: false, | |
| 36 | has_thumb_interworking: true, | |
| 37 | ||
| 38 | ..super::thumb_base::opts() | |
| 39 | }, | |
| 40 | } | |
| 41 | } |