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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
commit246f239d9f40f633160f0c18f87a20922d4e77bb (patch)
tree5a88572663584b3d4d28e5a20e10abab1be40884 /compiler/rustc_codegen_cranelift/example
parentReleasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz
rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_codegen_cranelift/example')
-rw-r--r--compiler/rustc_codegen_cranelift/example/alloc_system.rs2
-rw-r--r--compiler/rustc_codegen_cranelift/example/mini_core.rs12
-rw-r--r--compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs117
3 files changed, 112 insertions, 19 deletions
diff --git a/compiler/rustc_codegen_cranelift/example/alloc_system.rs b/compiler/rustc_codegen_cranelift/example/alloc_system.rs
index cf95c89bc..50261c193 100644
--- a/compiler/rustc_codegen_cranelift/example/alloc_system.rs
+++ b/compiler/rustc_codegen_cranelift/example/alloc_system.rs
@@ -94,7 +94,7 @@ mod platform {
struct Header(*mut u8);
const HEAP_ZERO_MEMORY: DWORD = 0x00000008;
unsafe fn get_header<'a>(ptr: *mut u8) -> &'a mut Header {
- &mut *(ptr as *mut Header).offset(-1)
+ &mut *(ptr as *mut Header).sub(1)
}
unsafe fn align_ptr(ptr: *mut u8, align: usize) -> *mut u8 {
let aligned = ptr.add(align - (ptr as usize & (align - 1)));
diff --git a/compiler/rustc_codegen_cranelift/example/mini_core.rs b/compiler/rustc_codegen_cranelift/example/mini_core.rs
index 8b6042a3d..42f8aa50b 100644
--- a/compiler/rustc_codegen_cranelift/example/mini_core.rs
+++ b/compiler/rustc_codegen_cranelift/example/mini_core.rs
@@ -535,7 +535,7 @@ unsafe fn allocate(size: usize, _align: usize) -> *mut u8 {
}
#[lang = "box_free"]
-unsafe fn box_free<T: ?Sized>(ptr: Unique<T>, alloc: ()) {
+unsafe fn box_free<T: ?Sized>(ptr: Unique<T>, _alloc: ()) {
libc::free(ptr.pointer.0 as *mut u8);
}
@@ -575,11 +575,19 @@ pub mod intrinsics {
}
pub mod libc {
+ // With the new Universal CRT, msvc has switched to all the printf functions being inline wrapper
+ // functions. legacy_stdio_definitions.lib which provides the printf wrapper functions as normal
+ // symbols to link against.
+ #[cfg_attr(unix, link(name = "c"))]
+ #[cfg_attr(target_env="msvc", link(name="legacy_stdio_definitions"))]
+ extern "C" {
+ pub fn printf(format: *const i8, ...) -> i32;
+ }
+
#[cfg_attr(unix, link(name = "c"))]
#[cfg_attr(target_env = "msvc", link(name = "msvcrt"))]
extern "C" {
pub fn puts(s: *const i8) -> i32;
- pub fn printf(format: *const i8, ...) -> i32;
pub fn malloc(size: usize) -> *mut u8;
pub fn free(ptr: *mut u8);
pub fn memcpy(dst: *mut u8, src: *const u8, size: usize);
diff --git a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
index aa1f239ba..e83be3a3d 100644
--- a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
+++ b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs
@@ -139,7 +139,7 @@ pub struct bool_11 {
field10: bool,
}
-extern "C" fn bool_struct_in_11(arg0: bool_11) {}
+extern "C" fn bool_struct_in_11(_arg0: bool_11) {}
#[allow(unreachable_code)] // FIXME false positive
fn main() {
@@ -321,7 +321,7 @@ fn main() {
#[cfg(not(any(jit, windows)))]
test_tls();
- #[cfg(all(not(jit), target_arch = "x86_64", target_os = "linux"))]
+ #[cfg(all(not(jit), target_arch = "x86_64", any(target_os = "linux", target_os = "darwin")))]
unsafe {
global_asm_test();
}
@@ -343,7 +343,7 @@ fn main() {
}
}
-#[cfg(all(not(jit), target_arch = "x86_64", target_os = "linux"))]
+#[cfg(all(not(jit), target_arch = "x86_64", any(target_os = "linux", target_os = "darwin")))]
extern "C" {
fn global_asm_test();
}
@@ -358,6 +358,16 @@ global_asm! {
"
}
+#[cfg(all(not(jit), target_arch = "x86_64", target_os = "darwin"))]
+global_asm! {
+ "
+ .global _global_asm_test
+ _global_asm_test:
+ // comment that would normally be removed by LLVM
+ ret
+ "
+}
+
#[repr(C)]
enum c_void {
_1,
@@ -375,6 +385,7 @@ struct pthread_attr_t {
}
#[link(name = "pthread")]
+#[cfg(unix)]
extern "C" {
fn pthread_attr_init(attr: *mut pthread_attr_t) -> c_int;
@@ -391,6 +402,91 @@ extern "C" {
) -> c_int;
}
+type DWORD = u32;
+type LPDWORD = *mut u32;
+
+type LPVOID = *mut c_void;
+type HANDLE = *mut c_void;
+
+#[link(name = "msvcrt")]
+#[cfg(windows)]
+extern "C" {
+ fn WaitForSingleObject(
+ hHandle: LPVOID,
+ dwMilliseconds: DWORD
+ ) -> DWORD;
+
+ fn CreateThread(
+ lpThreadAttributes: LPVOID, // Technically LPSECURITY_ATTRIBUTES, but we don't use it anyway
+ dwStackSize: usize,
+ lpStartAddress: extern "C" fn(_: *mut c_void) -> *mut c_void,
+ lpParameter: LPVOID,
+ dwCreationFlags: DWORD,
+ lpThreadId: LPDWORD
+ ) -> HANDLE;
+}
+
+struct Thread {
+ #[cfg(windows)]
+ handle: HANDLE,
+ #[cfg(unix)]
+ handle: pthread_t,
+}
+
+impl Thread {
+ unsafe fn create(f: extern "C" fn(_: *mut c_void) -> *mut c_void) -> Self {
+ #[cfg(unix)]
+ {
+ let mut attr: pthread_attr_t = zeroed();
+ let mut thread: pthread_t = 0;
+
+ if pthread_attr_init(&mut attr) != 0 {
+ assert!(false);
+ }
+
+ if pthread_create(&mut thread, &attr, f, 0 as *mut c_void) != 0 {
+ assert!(false);
+ }
+
+ Thread {
+ handle: thread,
+ }
+ }
+
+ #[cfg(windows)]
+ {
+ let handle = CreateThread(0 as *mut c_void, 0, f, 0 as *mut c_void, 0, 0 as *mut u32);
+
+ if (handle as u64) == 0 {
+ assert!(false);
+ }
+
+ Thread {
+ handle,
+ }
+ }
+ }
+
+
+ unsafe fn join(self) {
+ #[cfg(unix)]
+ {
+ let mut res = 0 as *mut c_void;
+ pthread_join(self.handle, &mut res);
+ }
+
+ #[cfg(windows)]
+ {
+ // The INFINITE macro is used to signal operations that do not timeout.
+ let infinite = 0xffffffff;
+ assert!(WaitForSingleObject(self.handle, infinite) == 0);
+ }
+ }
+}
+
+
+
+
#[thread_local]
#[cfg(not(jit))]
static mut TLS: u8 = 42;
@@ -404,21 +500,10 @@ extern "C" fn mutate_tls(_: *mut c_void) -> *mut c_void {
#[cfg(not(jit))]
fn test_tls() {
unsafe {
- let mut attr: pthread_attr_t = zeroed();
- let mut thread: pthread_t = 0;
-
assert_eq!(TLS, 42);
- if pthread_attr_init(&mut attr) != 0 {
- assert!(false);
- }
-
- if pthread_create(&mut thread, &attr, mutate_tls, 0 as *mut c_void) != 0 {
- assert!(false);
- }
-
- let mut res = 0 as *mut c_void;
- pthread_join(thread, &mut res);
+ let thread = Thread::create(mutate_tls);
+ thread.join();
// TLS of main thread must not have been changed by the other thread.
assert_eq!(TLS, 42);