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-rw-r--r--compiler/rustc_target/src/spec/apple_base.rs99
1 files changed, 62 insertions, 37 deletions
diff --git a/compiler/rustc_target/src/spec/apple_base.rs b/compiler/rustc_target/src/spec/apple_base.rs
index 8a8d1ab95..7a666eea4 100644
--- a/compiler/rustc_target/src/spec/apple_base.rs
+++ b/compiler/rustc_target/src/spec/apple_base.rs
@@ -11,7 +11,6 @@ use Arch::*;
#[allow(non_camel_case_types)]
#[derive(Copy, Clone)]
pub enum Arch {
- Armv7,
Armv7k,
Armv7s,
Arm64,
@@ -29,7 +28,6 @@ pub enum Arch {
impl Arch {
pub fn target_name(self) -> &'static str {
match self {
- Armv7 => "armv7",
Armv7k => "armv7k",
Armv7s => "armv7s",
Arm64 | Arm64_macabi | Arm64_sim => "arm64",
@@ -43,7 +41,7 @@ impl Arch {
pub fn target_arch(self) -> Cow<'static, str> {
Cow::Borrowed(match self {
- Armv7 | Armv7k | Armv7s => "arm",
+ Armv7k | Armv7s => "arm",
Arm64 | Arm64_32 | Arm64_macabi | Arm64_sim => "aarch64",
I386 | I686 => "x86",
X86_64 | X86_64_sim | X86_64_macabi | X86_64h => "x86_64",
@@ -52,7 +50,7 @@ impl Arch {
fn target_abi(self) -> &'static str {
match self {
- Armv7 | Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | I686 | X86_64 | X86_64h => "",
+ Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | I686 | X86_64 | X86_64h => "",
X86_64_macabi | Arm64_macabi => "macabi",
// x86_64-apple-ios is a simulator target, even though it isn't
// declared that way in the target like the other ones...
@@ -62,18 +60,20 @@ impl Arch {
fn target_cpu(self) -> &'static str {
match self {
- Armv7 => "cortex-a8", // iOS7 is supported on iPhone 4 and higher
Armv7k => "cortex-a8",
- Armv7s => "cortex-a9",
+ Armv7s => "swift", // iOS 10 is only supported on iPhone 5 or higher.
Arm64 => "apple-a7",
Arm64_32 => "apple-s4",
- I386 | I686 => "yonah",
- X86_64 | X86_64_sim => "core2",
+ // Only macOS 10.12+ is supported, which means
+ // all x86_64/x86 CPUs must be running at least penryn
+ // https://github.com/llvm/llvm-project/blob/01f924d0e37a5deae51df0d77e10a15b63aa0c0f/clang/lib/Driver/ToolChains/Arch/X86.cpp#L79-L82
+ I386 | I686 => "penryn",
+ X86_64 | X86_64_sim => "penryn",
+ X86_64_macabi => "penryn",
// Note: `core-avx2` is slightly more advanced than `x86_64h`, see
// comments (and disabled features) in `x86_64h_apple_darwin` for
- // details.
+ // details. It is a higher baseline then `penryn` however.
X86_64h => "core-avx2",
- X86_64_macabi => "core2",
Arm64_macabi => "apple-a12",
Arm64_sim => "apple-a12",
}
@@ -115,21 +115,6 @@ fn pre_link_args(os: &'static str, arch: Arch, abi: &'static str) -> LinkArgs {
}
pub fn opts(os: &'static str, arch: Arch) -> TargetOptions {
- // Static TLS is only available in macOS 10.7+. If you try to compile for 10.6
- // either the linker will complain if it is used or the binary will end up
- // segfaulting at runtime when run on 10.6. Rust by default supports macOS
- // 10.7+, but there is a standard environment variable,
- // MACOSX_DEPLOYMENT_TARGET, which is used to signal targeting older
- // versions of macOS. For example compiling on 10.10 with
- // MACOSX_DEPLOYMENT_TARGET set to 10.6 will cause the linker to generate
- // warnings about the usage of static TLS.
- //
- // Here we detect what version is being requested, defaulting to 10.7. Static
- // TLS is flagged as enabled if it looks to be supported. The architecture
- // only matters for default deployment target which is 11.0 for ARM64 and
- // 10.7 for everything else.
- let has_thread_local = os == "macos" && macos_deployment_target(Arch::X86_64) >= (10, 7);
-
let abi = arch.target_abi();
TargetOptions {
@@ -145,12 +130,17 @@ pub fn opts(os: &'static str, arch: Arch) -> TargetOptions {
pre_link_args: pre_link_args(os, arch, abi),
families: cvs!["unix"],
is_like_osx: true,
- default_dwarf_version: 2,
+ // LLVM notes that macOS 10.11+ and iOS 9+ default
+ // to v4, so we do the same.
+ // https://github.com/llvm/llvm-project/blob/378778a0d10c2f8d5df8ceff81f95b6002984a4b/clang/lib/Driver/ToolChains/Darwin.cpp#L1203
+ default_dwarf_version: 4,
frame_pointer: FramePointer::Always,
has_rpath: true,
dll_suffix: ".dylib".into(),
archive_format: "darwin".into(),
- has_thread_local,
+ // Thread locals became available with iOS 8 and macOS 10.7,
+ // and both are far below our minimum.
+ has_thread_local: true,
abi_return_struct_as_int: true,
emit_debug_gdb_scripts: false,
eh_frame_header: false,
@@ -179,20 +169,52 @@ 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)> {
@@ -207,9 +229,7 @@ fn macos_default_deployment_target(arch: Arch) -> (u32, u32) {
match arch {
// Note: Arm64_sim is not included since macOS has no simulator.
Arm64 | Arm64_macabi => (11, 0),
- // x86_64h-apple-darwin only supports macOS 10.8 and later
- X86_64h => (10, 8),
- _ => (10, 7),
+ _ => (10, 12),
}
}
@@ -260,8 +280,8 @@ fn link_env_remove(arch: Arch, os: &'static str) -> StaticCow<[StaticCow<str>]>
// Otherwise if cross-compiling for a different OS/SDK, remove any part
// of the linking environment that's wrong and reversed.
match arch {
- Armv7 | Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | I686 | X86_64 | X86_64_sim
- | X86_64h | Arm64_sim => {
+ Armv7k | Armv7s | Arm64 | Arm64_32 | I386 | I686 | X86_64 | X86_64_sim | X86_64h
+ | Arm64_sim => {
cvs!["MACOSX_DEPLOYMENT_TARGET"]
}
X86_64_macabi | Arm64_macabi => cvs!["IPHONEOS_DEPLOYMENT_TARGET"],
@@ -271,7 +291,12 @@ fn link_env_remove(arch: Arch, os: &'static str) -> StaticCow<[StaticCow<str>]>
fn ios_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((7, 0))
+ from_set_deployment_target("IPHONEOS_DEPLOYMENT_TARGET").unwrap_or((10, 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 {
@@ -297,7 +322,7 @@ pub fn ios_sim_llvm_target(arch: Arch) -> String {
fn tvos_deployment_target() -> (u32, u32) {
// If you are looking for the default deployment target, prefer `rustc --print deployment-target`.
- from_set_deployment_target("TVOS_DEPLOYMENT_TARGET").unwrap_or((7, 0))
+ from_set_deployment_target("TVOS_DEPLOYMENT_TARGET").unwrap_or((10, 0))
}
fn tvos_lld_platform_version() -> String {
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-23 21:36:57 +0000