compiler/rustc_target/src/spec/aarch64_apple_ios.rs

   1 use super::apple_sdk_base::{opts, Arch};
   2 use crate::spec::{FramePointer, Target, TargetOptions};
   3
   4 pub fn target() -> Target {
   5     // Clang automatically chooses a more specific target based on
   6     // IPHONEOS_DEPLOYMENT_TARGET.
   7     // This is required for the target to pick the right
   8     // MACH-O commands, so we do too.
   9     let arch = "arm64";
  10     let llvm_target = super::apple_base::ios_llvm_target(arch);
  11
  12     Target {
  13         llvm_target,
  14         pointer_width: 64,
  15         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
  16         arch: "aarch64".to_string(),
  17         options: TargetOptions {
  18             features: "+neon,+fp-armv8,+apple-a7".to_string(),
  19             max_atomic_width: Some(128),
  20             forces_embed_bitcode: true,
  21             frame_pointer: FramePointer::NonLeaf,
  22             // Taken from a clang build on Xcode 11.4.1.
  23             // These arguments are not actually invoked - they just have
  24             // to look right to pass App Store validation.
  25             bitcode_llvm_cmdline: "-triple\0\
  26                 arm64-apple-ios11.0.0\0\
  27                 -emit-obj\0\
  28                 -disable-llvm-passes\0\
  29                 -target-abi\0\
  30                 darwinpcs\0\
  31                 -Os\0"
  32                 .to_string(),
  33             ..opts("ios", Arch::Arm64)
  34         },
  35     }
  36 }