build: Update toolchain to nightly-2025-06-05

This commit also updates target spec JSONs.

Signed-off-by: Akira Moroo <[email protected]>

Author: retrage

aarch64-unknown-none.json

@@ -2,11 +2,11 @@
   "llvm-target": "aarch64-unknown-none",
   "abi": "softfloat",
   "arch": "aarch64",
-  "data-layout": "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128",
+  "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32",
   "disable-redzone": true,
   "features": "+strict-align,-neon,-fp-armv8",
   "linker": "rust-lld",
-  "linker-flavor": "ld.lld",
+  "linker-flavor": "gnu-lld",
   "os": "none",
   "executables": true,
   "max-atomic-width": 128,
@@ -15,6 +15,9 @@
   "relocation-model": "pic",
   "target-pointer-width": "64",
   "pre-link-args": {
-    "ld.lld": ["--script=aarch64-unknown-none.ld", "--oformat=binary"]
+    "gnu-lld": [
+      "--script=aarch64-unknown-none.ld",
+      "--oformat=binary"
+    ]
   }
-}
+}

riscv64gcv-unknown-none-elf.json

@@ -6,16 +6,17 @@
   "eh-frame-header": false,
   "emit-debug-gdb-scripts": false,
   "features": "+m,+a,-f,+d,+c,-v",
-  "is-builtin": false,
   "linker": "rust-lld",
-  "linker-flavor": "ld.lld",
+  "linker-flavor": "gnu-lld",
   "llvm-abiname": "lp64d",
   "llvm-target": "riscv64",
   "max-atomic-width": 64,
   "panic-strategy": "abort",
   "relocation-model": "static",
   "target-pointer-width": "64",
-    "pre-link-args": {
-    "ld.lld": ["--script=riscv64gcv-unknown-none-elf.ld"]
+  "pre-link-args": {
+    "gnu-lld": [
+      "--script=riscv64gcv-unknown-none-elf.ld"
+    ]
   }
-}
+}

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2024-05-13"
+channel = "nightly-2025-06-05"
 components = ["rust-src", "clippy", "rustfmt"]
 targets = [
     "aarch64-unknown-linux-gnu",

src/main.rs

@@ -1,11 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 // Copyright © 2019 Intel Corporation
 
-#![feature(asm_const)]
-#![feature(exposed_provenance)]
-#![feature(slice_take)]
 #![feature(stmt_expr_attributes)]
-#![feature(strict_provenance)]
 #![feature(sync_unsafe_cell)]
 #![cfg_attr(not(test), no_std)]
 #![cfg_attr(not(test), no_main)]

x86_64-unknown-none.json

@@ -8,13 +8,16 @@
   "os": "none",
   "executables": true,
   "linker": "rust-lld",
-  "linker-flavor": "ld.lld",
+  "linker-flavor": "gnu-lld",
   "panic-strategy": "abort",
   "disable-redzone": true,
   "features": "-mmx,-sse,+soft-float",
   "code-model": "small",
   "relocation-model": "pic",
+  "rustc-abi": "x86-softfloat",
   "pre-link-args": {
-    "ld.lld": ["--script=x86_64-unknown-none.ld"]
+    "gnu-lld": [
+      "--script=x86_64-unknown-none.ld"
+    ]
   }
-}
+}