diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/back/metadata.rs | 29 | ||||
| -rw-r--r-- | compiler/rustc_driver_impl/src/lib.rs | 8 | ||||
| -rw-r--r-- | compiler/rustc_target/src/spec/apple_base.rs | 43 | ||||
| -rw-r--r-- | compiler/rustc_target/src/spec/mod.rs | 2 |
4 files changed, 57 insertions, 25 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index 4c854740753..c6f4bd35e29 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -226,9 +226,7 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static let mut file = write::Object::new(binary_format, architecture, endianness); if sess.target.is_like_osx { - if let Some(build_version) = macho_object_build_version_for_target(&sess.target) { - file.set_macho_build_version(build_version) - } + file.set_macho_build_version(macho_object_build_version_for_target(&sess.target)) } let e_flags = match architecture { Architecture::Mips => { @@ -334,31 +332,28 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static Some(file) } -/// Apple's LD, when linking for Mac Catalyst, requires object files to -/// contain information about what they were built for (LC_BUILD_VERSION): -/// the platform (macOS/watchOS etc), minimum OS version, and SDK version. -/// This returns a `MachOBuildVersion` if necessary for the target. -fn macho_object_build_version_for_target( - target: &Target, -) -> Option<object::write::MachOBuildVersion> { - if !target.llvm_target.ends_with("-macabi") { - return None; - } +/// Since Xcode 15 Apple's LD requires object files to contain information about what they were +/// built for (LC_BUILD_VERSION): the platform (macOS/watchOS etc), minimum OS version, and SDK +/// version. This returns a `MachOBuildVersion` for the target. +fn macho_object_build_version_for_target(target: &Target) -> object::write::MachOBuildVersion { /// The `object` crate demands "X.Y.Z encoded in nibbles as xxxx.yy.zz" /// e.g. minOS 14.0 = 0x000E0000, or SDK 16.2 = 0x00100200 fn pack_version((major, minor): (u32, u32)) -> u32 { (major << 16) | (minor << 8) } - let platform = object::macho::PLATFORM_MACCATALYST; - let min_os = (14, 0); - let sdk = (16, 2); + let platform = + rustc_target::spec::current_apple_platform(target).expect("unknown Apple target OS"); + let min_os = rustc_target::spec::current_apple_deployment_target(target) + .expect("unknown Apple target OS"); + let sdk = + rustc_target::spec::current_apple_sdk_version(platform).expect("unknown Apple target OS"); let mut build_version = object::write::MachOBuildVersion::default(); build_version.platform = platform; build_version.minos = pack_version(min_os); build_version.sdk = pack_version(sdk); - Some(build_version) + build_version } pub enum MetadataPosition { diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 841c626d0a3..47180eb1823 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -852,11 +852,9 @@ fn print_crate_info( use rustc_target::spec::current_apple_deployment_target; if sess.target.is_like_osx { - println_info!( - "deployment_target={}", - current_apple_deployment_target(&sess.target) - .expect("unknown Apple target OS") - ) + let (major, minor) = current_apple_deployment_target(&sess.target) + .expect("unknown Apple target OS"); + println_info!("deployment_target={}", format!("{major}.{minor}")) } else { handler .early_error("only Apple targets currently support deployment version info") diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs index 8a8d1ab95e8..f7dcec307dd 100644 --- a/compiler/rustc_target/src/spec/apple_base.rs +++ b/compiler/rustc_target/src/spec/apple_base.rs @@ -179,20 +179,52 @@ pub fn opts(os: &'static str, arch: Arch) -> TargetOptions { } } -pub fn deployment_target(target: &Target) -> Option<String> { +pub fn sdk_version(platform: u32) -> Option<(u32, u32)> { + // NOTE: These values are from an arbitrary point in time but shouldn't make it into the final + // binary since the final link command will have the current SDK version passed to it. + match platform { + object::macho::PLATFORM_MACOS => Some((13, 1)), + object::macho::PLATFORM_IOS + | object::macho::PLATFORM_IOSSIMULATOR + | object::macho::PLATFORM_TVOS + | object::macho::PLATFORM_TVOSSIMULATOR + | object::macho::PLATFORM_MACCATALYST => Some((16, 2)), + object::macho::PLATFORM_WATCHOS | object::macho::PLATFORM_WATCHOSSIMULATOR => Some((9, 1)), + _ => None, + } +} + +pub fn platform(target: &Target) -> Option<u32> { + Some(match (&*target.os, &*target.abi) { + ("macos", _) => object::macho::PLATFORM_MACOS, + ("ios", "macabi") => object::macho::PLATFORM_MACCATALYST, + ("ios", "sim") => object::macho::PLATFORM_IOSSIMULATOR, + ("ios", _) => object::macho::PLATFORM_IOS, + ("watchos", "sim") => object::macho::PLATFORM_WATCHOSSIMULATOR, + ("watchos", _) => object::macho::PLATFORM_WATCHOS, + ("tvos", "sim") => object::macho::PLATFORM_TVOSSIMULATOR, + ("tvos", _) => object::macho::PLATFORM_TVOS, + _ => return None, + }) +} + +pub fn deployment_target(target: &Target) -> Option<(u32, u32)> { let (major, minor) = match &*target.os { "macos" => { // This does not need to be specific. It just needs to handle x86 vs M1. let arch = if target.arch == "x86" || target.arch == "x86_64" { X86_64 } else { Arm64 }; macos_deployment_target(arch) } - "ios" => ios_deployment_target(), + "ios" => match &*target.abi { + "macabi" => mac_catalyst_deployment_target(), + _ => ios_deployment_target(), + }, "watchos" => watchos_deployment_target(), "tvos" => tvos_deployment_target(), _ => return None, }; - Some(format!("{major}.{minor}")) + Some((major, minor)) } fn from_set_deployment_target(var_name: &str) -> Option<(u32, u32)> { @@ -274,6 +306,11 @@ fn ios_deployment_target() -> (u32, u32) { from_set_deployment_target("IPHONEOS_DEPLOYMENT_TARGET").unwrap_or((7, 0)) } +fn mac_catalyst_deployment_target() -> (u32, u32) { + // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + from_set_deployment_target("IPHONEOS_DEPLOYMENT_TARGET").unwrap_or((14, 0)) +} + pub fn ios_llvm_target(arch: Arch) -> String { // Modern iOS tooling extracts information about deployment target // from LC_BUILD_VERSION. This load command will only be emitted when diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 049f2bf13b8..fca99381c0c 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -61,6 +61,8 @@ mod aix_base; mod android_base; mod apple_base; pub use apple_base::deployment_target as current_apple_deployment_target; +pub use apple_base::platform as current_apple_platform; +pub use apple_base::sdk_version as current_apple_sdk_version; mod avr_gnu_base; pub use avr_gnu_base::ef_avr_arch; mod bpf_base; |