Auto merge of #57243 - dingelish:master, r=sfackler

Bound sgx target_env with fortanix as target_vendor

This PR adds `target_vendor` check, as discussed in issue [57231](#57231)

Signed-off-by: Yu Ding <[email protected]>

Author: bors

Diff for: src/libpanic_abort/lib.rs

@@ -12,6 +12,7 @@
 #![panic_runtime]
 #![allow(unused_features)]
 
+#![feature(cfg_target_vendor)]
 #![feature(core_intrinsics)]
 #![feature(libc)]
 #![feature(nll)]
@@ -57,7 +58,7 @@ pub unsafe extern fn __rust_start_panic(_payload: usize) -> u32 {
         core::intrinsics::abort();
     }
 
-    #[cfg(target_env="sgx")]
+    #[cfg(all(target_vendor="fortanix", target_env="sgx"))]
     unsafe fn abort() -> ! {
         extern "C" { pub fn panic_exit() -> !; }
         panic_exit();

Diff for: src/libstd/Cargo.toml

@@ -37,7 +37,7 @@ rustc_lsan = { path = "../librustc_lsan" }
 rustc_msan = { path = "../librustc_msan" }
 rustc_tsan = { path = "../librustc_tsan" }
 
-[target.'cfg(any(all(target_arch = "wasm32", not(target_os = "emscripten")), target_env = "sgx"))'.dependencies]
+[target.'cfg(any(all(target_arch = "wasm32", not(target_os = "emscripten")), all(target_vendor = "fortanix", target_env = "sgx")))'.dependencies]
 dlmalloc = { version = "0.1", features = ['rustc-dep-of-std'] }
 
 [target.x86_64-fortanix-unknown-sgx.dependencies]

Diff for: src/libstd/lib.rs

@@ -302,9 +302,9 @@
 #![feature(non_exhaustive)]
 #![feature(alloc_layout_extra)]
 #![feature(maybe_uninit)]
-#![cfg_attr(target_env = "sgx", feature(global_asm, range_contains, slice_index_methods,
-                                        decl_macro, coerce_unsized, sgx_platform,
-                                        min_const_unsafe_fn))]
+#![cfg_attr(all(target_vendor = "fortanix", target_env = "sgx"),
+            feature(global_asm, range_contains, slice_index_methods,
+                    decl_macro, coerce_unsized, sgx_platform))]
 
 #![default_lib_allocator]
 
@@ -347,7 +347,7 @@ extern crate backtrace_sys;
 // testing gives test-std access to real-std lang items and globals. See #2912
 #[cfg(test)] extern crate std as realstd;
 
-#[cfg(target_env = "sgx")]
+#[cfg(all(target_vendor = "fortanix", target_env = "sgx"))]
 #[macro_use]
 #[allow(unused_imports)] // FIXME: without `#[macro_use]`, get error: “cannot
                          // determine resolution for the macro `usercalls_asm`”

Diff for: src/libstd/sys/mod.rs

@@ -38,7 +38,7 @@ cfg_if! {
     } else if #[cfg(target_arch = "wasm32")] {
         mod wasm;
         pub use self::wasm::*;
-    } else if #[cfg(target_env = "sgx")] {
+    } else if #[cfg(all(target_vendor = "fortanix", target_env = "sgx"))] {
         mod sgx;
         pub use self::sgx::*;
     } else {
@@ -55,7 +55,9 @@ cfg_if! {
     if #[cfg(any(unix, target_os = "redox"))] {
         // On unix we'll document what's already available
         pub use self::ext as unix_ext;
-    } else if #[cfg(any(target_os = "cloudabi", target_arch = "wasm32", target_env = "sgx"))] {
+    } else if #[cfg(any(target_os = "cloudabi",
+                        target_arch = "wasm32",
+                        all(target_vendor = "fortanix", target_env = "sgx")))] {
         // On CloudABI and wasm right now the module below doesn't compile
         // (missing things in `libc` which is empty) so just omit everything
         // with an empty module
@@ -76,7 +78,9 @@ cfg_if! {
         // On windows we'll just be documenting what's already available
         #[allow(missing_docs)]
         pub use self::ext as windows_ext;
-    } else if #[cfg(any(target_os = "cloudabi", target_arch = "wasm32", target_env = "sgx"))] {
+    } else if #[cfg(any(target_os = "cloudabi",
+                        target_arch = "wasm32",
+                        all(target_vendor = "fortanix", target_env = "sgx")))] {
         // On CloudABI and wasm right now the shim below doesn't compile, so
         // just omit it
         #[unstable(issue = "0", feature = "std_internals")]

Diff for: src/libstd/sys_common/mod.rs

@@ -51,7 +51,7 @@ cfg_if! {
                  target_os = "l4re",
                  target_os = "redox",
                  all(target_arch = "wasm32", not(target_os = "emscripten")),
-                 target_env = "sgx"))] {
+                 all(target_vendor = "fortanix", target_env = "sgx")))] {
         pub use sys::net;
     } else {
         pub mod net;

Diff for: src/libtest/lib.rs

@@ -23,6 +23,7 @@
        html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
        html_root_url = "https://doc.rust-lang.org/nightly/", test(attr(deny(warnings))))]
 #![feature(asm)]
+#![feature(cfg_target_vendor)]
 #![feature(fnbox)]
 #![cfg_attr(any(unix, target_os = "cloudabi"), feature(libc))]
 #![feature(nll)]
@@ -1015,7 +1016,7 @@ fn use_color(opts: &TestOpts) -> bool {
 #[cfg(any(target_os = "cloudabi",
           target_os = "redox",
           all(target_arch = "wasm32", not(target_os = "emscripten")),
-          target_env = "sgx"))]
+          all(target_vendor = "fortanix", target_env = "sgx")))]
 fn stdout_isatty() -> bool {
     // FIXME: Implement isatty on Redox and SGX
     false
@@ -1246,7 +1247,8 @@ fn get_concurrency() -> usize {
         1
     }
 
-    #[cfg(any(all(target_arch = "wasm32", not(target_os = "emscripten")), target_env = "sgx"))]
+    #[cfg(any(all(target_arch = "wasm32", not(target_os = "emscripten")),
+              all(target_vendor = "fortanix", target_env = "sgx")))]
     fn num_cpus() -> usize {
         1
     }