Define max_align_t for riscv64-linux

andreas-schwab · JohnTitor · commit 17ba5c18a5cb · 2026-03-25T09:00:36.000Z
diff --git a/libc-test/semver/linux-riscv64gc.txt b/libc-test/semver/linux-riscv64gc.txt
@@ -80,3 +80,4 @@ TIOCSRS485
 flock64
 fsblkcnt64_t
 fsfilcnt64_t
+max_align_t
diff --git a/src/unix/linux_like/linux/gnu/b64/riscv64/mod.rs b/src/unix/linux_like/linux/gnu/b64/riscv64/mod.rs
@@ -286,6 +286,11 @@ s_no_extra_traits! {
         pub __fcsr: c_uint,
         pub __glibc_reserved: [c_uint; 3],
     }
+
+    #[repr(align(16))]
+    pub struct max_align_t {
+        priv_: [f32; 8],
+    }
 }
 
 pub const POSIX_FADV_DONTNEED: c_int = 4;

Original file line number	Diff line number	Diff line change
`@@ -286,6 +286,11 @@ s_no_extra_traits! {`
`286`	`286`	`pub __fcsr: c_uint,`
`287`	`287`	`pub __glibc_reserved: [c_uint; 3],`
`288`	`288`	`}`
	`289`	`+`
	`290`	`+ #[repr(align(16))]`
	`291`	`+ pub struct max_align_t {`
	`292`	`+ priv_: [f32; 8],`
	`293`	`+ }`
`289`	`294`	`}`
`290`	`295`
`291`	`296`	`pub const POSIX_FADV_DONTNEED: c_int = 4;`