diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 972b9bbfe1caf..b93a579df1526 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -2193,6 +2193,7 @@ fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) { ("x86_64", "tvos") => "appletvsimulator", ("arm", "ios") => "iphoneos", ("aarch64", "ios") if llvm_target.contains("macabi") => "macosx", + ("aarch64", "ios") if llvm_target.contains("sim") => "iphonesimulator", ("aarch64", "ios") => "iphoneos", ("x86", "ios") => "iphonesimulator", ("x86_64", "ios") if llvm_target.contains("macabi") => "macosx", diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs new file mode 100644 index 0000000000000..e594ceec1b78c --- /dev/null +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs @@ -0,0 +1,39 @@ +use super::apple_sdk_base::{opts, Arch}; +use crate::spec::{Target, TargetOptions}; + +pub fn target() -> Target { + let base = opts("ios", Arch::Arm64_sim); + + // Clang automatically chooses a more specific target based on + // IPHONEOS_DEPLOYMENT_TARGET. + // This is required for the simulator target to pick the right + // MACH-O commands, so we do too. + let arch = "arm64"; + let llvm_target = super::apple_base::ios_sim_llvm_target(arch); + + Target { + llvm_target: llvm_target, + pointer_width: 64, + data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(), + arch: "aarch64".to_string(), + options: TargetOptions { + features: "+neon,+fp-armv8,+apple-a7".to_string(), + eliminate_frame_pointer: false, + max_atomic_width: Some(128), + unsupported_abis: super::arm_base::unsupported_abis(), + forces_embed_bitcode: true, + // Taken from a clang build on Xcode 11.4.1. + // These arguments are not actually invoked - they just have + // to look right to pass App Store validation. + bitcode_llvm_cmdline: "-triple\0\ + arm64-apple-ios14.0-simulator\0\ + -emit-obj\0\ + -disable-llvm-passes\0\ + -target-abi\0\ + darwinpcs\0\ + -Os\0" + .to_string(), + ..base + }, + } +} diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs index 3b458962b3d07..23f1357af163f 100644 --- a/compiler/rustc_target/src/spec/apple_base.rs +++ b/compiler/rustc_target/src/spec/apple_base.rs @@ -54,14 +54,16 @@ pub fn opts(os: &str) -> TargetOptions { } } -fn macos_deployment_target() -> (u32, u32) { - let deployment_target = env::var("MACOSX_DEPLOYMENT_TARGET").ok(); - let version = deployment_target +fn deployment_target(var_name: &str) -> Option<(u32, u32)> { + let deployment_target = env::var(var_name).ok(); + deployment_target .as_ref() .and_then(|s| s.split_once('.')) - .and_then(|(a, b)| a.parse::().and_then(|a| b.parse::().map(|b| (a, b))).ok()); + .and_then(|(a, b)| a.parse::().and_then(|a| b.parse::().map(|b| (a, b))).ok()) +} - version.unwrap_or((10, 7)) +fn macos_deployment_target() -> (u32, u32) { + deployment_target("MACOSX_DEPLOYMENT_TARGET").unwrap_or((10, 7)) } pub fn macos_llvm_target(arch: &str) -> String { @@ -84,3 +86,12 @@ pub fn macos_link_env_remove() -> Vec { env_remove.push("IPHONEOS_DEPLOYMENT_TARGET".to_string()); env_remove } + +fn ios_deployment_target() -> (u32, u32) { + deployment_target("IPHONEOS_DEPLOYMENT_TARGET").unwrap_or((7, 0)) +} + +pub fn ios_sim_llvm_target(arch: &str) -> String { + let (major, minor) = ios_deployment_target(); + format!("{}-apple-ios{}.{}.0-simulator", arch, major, minor) +} diff --git a/compiler/rustc_target/src/spec/apple_sdk_base.rs b/compiler/rustc_target/src/spec/apple_sdk_base.rs index d894f7599377e..538c4ca86974f 100644 --- a/compiler/rustc_target/src/spec/apple_sdk_base.rs +++ b/compiler/rustc_target/src/spec/apple_sdk_base.rs @@ -11,6 +11,7 @@ pub enum Arch { X86_64, X86_64_macabi, Arm64_macabi, + Arm64_sim, } fn target_cpu(arch: Arch) -> String { @@ -22,13 +23,16 @@ fn target_cpu(arch: Arch) -> String { X86_64 => "core2", X86_64_macabi => "core2", Arm64_macabi => "apple-a12", + Arm64_sim => "apple-a12", } .to_string() } fn link_env_remove(arch: Arch) -> Vec { match arch { - Armv7 | Armv7s | Arm64 | I386 | X86_64 => vec!["MACOSX_DEPLOYMENT_TARGET".to_string()], + Armv7 | Armv7s | Arm64 | I386 | X86_64 | Arm64_sim => { + vec!["MACOSX_DEPLOYMENT_TARGET".to_string()] + } X86_64_macabi | Arm64_macabi => vec!["IPHONEOS_DEPLOYMENT_TARGET".to_string()], } } diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 5b14795f5457c..ae803dbdb3117 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -727,6 +727,7 @@ supported_targets! { ("armv7s-apple-ios", armv7s_apple_ios), ("x86_64-apple-ios-macabi", x86_64_apple_ios_macabi), ("aarch64-apple-ios-macabi", aarch64_apple_ios_macabi), + ("aarch64-apple-ios-sim", aarch64_apple_ios_sim), ("aarch64-apple-tvos", aarch64_apple_tvos), ("x86_64-apple-tvos", x86_64_apple_tvos), diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 8198dbaa5278c..d21cf334442c8 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -153,6 +153,7 @@ not available. target | std | host | notes -------|-----|------|------- `aarch64-apple-ios-macabi` | ? | | Apple Catalyst on ARM64 +`aarch64-apple-ios-sim` | ? | | Apple iOS Simulator on ARM64 `aarch64-apple-tvos` | * | | ARM64 tvOS `aarch64-unknown-freebsd` | ✓ | ✓ | ARM64 FreeBSD `aarch64-unknown-hermit` | ? | |