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Auto merge of #129046 - matthiaskrgr:rollup-9x4xgak, r=matthiaskrgr

Browse Source 
Rollup of 7 pull requests

Successful merges:

 - #128643 (Refactor `powerpc64` call ABI handling)
 - #128655 (std: refactor UNIX random data generation)
 - #128745 (Remove unused lifetime parameter from spawn_unchecked)
 - #128841 (bootstrap: don't use rustflags for `--rustc-args`)
 - #128983 (Slightly refactor `TargetSelection` in bootstrap)
 - #129026 (CFI: Move CFI ui tests to cfi directory)
 - #129040 (Fix blessing of rmake tests)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2024-08-13 11:43:20 +00:00
commit 80eb5a8e91
54 changed files with 417 additions and 368 deletions
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4
compiler/rustc_codegen_gcc/build_system/src/test.rs
View File

@ -552,7 +552,7 @@ fn asm_tests(env: &Env, args: &TestArg) -> Result<(), String> {
&"--stage",
&"0",
&"tests/assembly/asm",
&"--rustc-args",
&"--compiletest-rustc-args",
&rustc_args,
],
Some(&rust_dir),
@ -1020,7 +1020,7 @@ where
&"--stage",
&"0",
&format!("tests/{}", test_type),
&"--rustc-args",
&"--compiletest-rustc-args",
&rustc_args,
],
Some(&rust_path),

71
compiler/rustc_target/src/abi/call/powerpc64.rs
View File

@ -41,59 +41,12 @@ where
})
}
fn classify_ret<'a, Ty, C>(cx: &C, ret: &mut ArgAbi<'a, Ty>, abi: ABI)
fn classify<'a, Ty, C>(cx: &C, arg: &mut ArgAbi<'a, Ty>, abi: ABI, is_ret: bool)
where
Ty: TyAbiInterface<'a, C> + Copy,
C: HasDataLayout,
{
if !ret.layout.is_sized() {
// Not touching this...
return;
}
if !ret.layout.is_aggregate() {
ret.extend_integer_width_to(64);
return;
}
// The ELFv1 ABI doesn't return aggregates in registers
if abi == ELFv1 {
ret.make_indirect();
return;
}
if let Some(uniform) = is_homogeneous_aggregate(cx, ret, abi) {
ret.cast_to(uniform);
return;
}
let size = ret.layout.size;
let bits = size.bits();
if bits <= 128 {
let unit = if cx.data_layout().endian == Endian::Big {
Reg { kind: RegKind::Integer, size }
} else if bits <= 8 {
Reg::i8()
} else if bits <= 16 {
Reg::i16()
} else if bits <= 32 {
Reg::i32()
} else {
Reg::i64()
};
ret.cast_to(Uniform::new(unit, size));
return;
}
ret.make_indirect();
}
fn classify_arg<'a, Ty, C>(cx: &C, arg: &mut ArgAbi<'a, Ty>, abi: ABI)
where
Ty: TyAbiInterface<'a, C> + Copy,
C: HasDataLayout,
{
if !arg.layout.is_sized() {
if arg.is_ignore() || !arg.layout.is_sized() {
// Not touching this...
return;
}
@ -102,13 +55,22 @@ where
return;
}
// The ELFv1 ABI doesn't return aggregates in registers
if is_ret && abi == ELFv1 {
arg.make_indirect();
return;
}
if let Some(uniform) = is_homogeneous_aggregate(cx, arg, abi) {
arg.cast_to(uniform);
return;
}
let size = arg.layout.size;
if size.bits() <= 64 {
if is_ret && size.bits() > 128 {
// Non-homogeneous aggregates larger than two doublewords are returned indirectly.
arg.make_indirect();
} else if size.bits() <= 64 {
// Aggregates smaller than a doubleword should appear in
// the least-significant bits of the parameter doubleword.
arg.cast_to(Reg { kind: RegKind::Integer, size })
@ -138,14 +100,9 @@ where
}
};
if !fn_abi.ret.is_ignore() {
classify_ret(cx, &mut fn_abi.ret, abi);
}
classify(cx, &mut fn_abi.ret, abi, true);
for arg in fn_abi.args.iter_mut() {
if arg.is_ignore() {
continue;
}
classify_arg(cx, arg, abi);
classify(cx, arg, abi, false);
}
}

312
library/std/src/sys/pal/unix/rand.rs
View File

@ -2,7 +2,9 @@ pub fn hashmap_random_keys() -> (u64, u64) {
const KEY_LEN: usize = core::mem::size_of::<u64>();
let mut v = [0u8; KEY_LEN * 2];
imp::fill_bytes(&mut v);
if let Err(err) = read(&mut v) {
panic!("failed to retrieve random hash map seed: {err}");
}
let key1 = v[0..KEY_LEN].try_into().unwrap();
let key2 = v[KEY_LEN..].try_into().unwrap();
@ -10,27 +12,78 @@ pub fn hashmap_random_keys() -> (u64, u64) {
(u64::from_ne_bytes(key1), u64::from_ne_bytes(key2))
}
#[cfg(all(
unix,
not(target_os = "openbsd"),
not(target_os = "netbsd"),
not(target_os = "fuchsia"),
not(target_os = "redox"),
not(target_os = "vxworks"),
not(target_os = "emscripten"),
not(target_os = "vita"),
not(target_vendor = "apple"),
cfg_if::cfg_if! {
if #[cfg(any(
target_vendor = "apple",
target_os = "openbsd",
target_os = "emscripten",
target_os = "vita",
all(target_os = "netbsd", not(netbsd10)),
target_os = "fuchsia",
target_os = "vxworks",
))] {
// Some systems have a syscall that directly retrieves random data.
// If that is guaranteed to be available, use it.
use imp::syscall as read;
} else {
// Otherwise, try the syscall to see if it exists only on some systems
// and fall back to reading from the random device otherwise.
fn read(bytes: &mut [u8]) -> crate::io::Result<()> {
use crate::fs::File;
use crate::io::Read;
use crate::sync::OnceLock;
#[cfg(any(
target_os = "linux",
target_os = "android",
target_os = "espidf",
target_os = "horizon",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "solaris",
target_os = "illumos",
netbsd10,
))]
if let Some(res) = imp::syscall(bytes) {
return res;
}
const PATH: &'static str = if cfg!(target_os = "redox") {
"/scheme/rand"
} else {
"/dev/urandom"
};
static FILE: OnceLock<File> = OnceLock::new();
FILE.get_or_try_init(|| File::open(PATH))?.read_exact(bytes)
}
}
}
// All these systems a `getrandom` syscall.
//
// It is not guaranteed to be available, so return None to fallback to the file
// implementation.
#[cfg(any(
target_os = "linux",
target_os = "android",
target_os = "espidf",
target_os = "horizon",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "solaris",
target_os = "illumos",
netbsd10,
))]
mod imp {
use crate::fs::File;
use crate::io::Read;
#[cfg(any(target_os = "linux", target_os = "android"))]
use crate::sys::weak::syscall;
use crate::io::{Error, Result};
use crate::sync::atomic::{AtomicBool, Ordering};
use crate::sys::os::errno;
#[cfg(any(target_os = "linux", target_os = "android"))]
fn getrandom(buf: &mut [u8]) -> libc::ssize_t {
use crate::sync::atomic::{AtomicBool, Ordering};
use crate::sys::os::errno;
use crate::sys::weak::syscall;
// A weak symbol allows interposition, e.g. for perf measurements that want to
// disable randomness for consistency. Otherwise, we'll try a raw syscall.
@ -59,6 +112,7 @@ mod imp {
}
#[cfg(any(
target_os = "dragonfly",
target_os = "espidf",
target_os = "horizon",
target_os = "freebsd",
@ -70,51 +124,11 @@ mod imp {
unsafe { libc::getrandom(buf.as_mut_ptr().cast(), buf.len(), 0) }
}
#[cfg(target_os = "dragonfly")]
fn getrandom(buf: &mut [u8]) -> libc::ssize_t {
extern "C" {
fn getrandom(
buf: *mut libc::c_void,
buflen: libc::size_t,
flags: libc::c_uint,
) -> libc::ssize_t;
}
unsafe { getrandom(buf.as_mut_ptr().cast(), buf.len(), 0) }
}
#[cfg(not(any(
target_os = "linux",
target_os = "android",
target_os = "espidf",
target_os = "horizon",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "solaris",
target_os = "illumos",
netbsd10
)))]
fn getrandom_fill_bytes(_buf: &mut [u8]) -> bool {
false
}
#[cfg(any(
target_os = "linux",
target_os = "android",
target_os = "espidf",
target_os = "horizon",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "solaris",
target_os = "illumos",
netbsd10
))]
fn getrandom_fill_bytes(v: &mut [u8]) -> bool {
use crate::sync::atomic::{AtomicBool, Ordering};
use crate::sys::os::errno;
pub fn syscall(v: &mut [u8]) -> Option<Result<()>> {
static GETRANDOM_UNAVAILABLE: AtomicBool = AtomicBool::new(false);
if GETRANDOM_UNAVAILABLE.load(Ordering::Relaxed) {
return false;
return None;
}
let mut read = 0;
@ -125,8 +139,7 @@ mod imp {
if err == libc::EINTR {
continue;
} else if err == libc::ENOSYS || err == libc::EPERM {
// Fall back to reading /dev/urandom if `getrandom` is not
// supported on the current kernel.
// `getrandom` is not supported on the current system.
//
// Also fall back in case it is disabled by something like
// seccomp or inside of docker.
@ -142,123 +155,83 @@ mod imp {
// https://github.com/moby/moby/issues/42680
//
GETRANDOM_UNAVAILABLE.store(true, Ordering::Relaxed);
return false;
return None;
} else if err == libc::EAGAIN {
return false;
// getrandom has failed because it would have blocked as the
// non-blocking pool (urandom) has not been initialized in
// the kernel yet due to a lack of entropy. Fallback to
// reading from `/dev/urandom` which will return potentially
// insecure random data to avoid blocking applications which
// could depend on this call without ever knowing they do and
// don't have a work around.
return None;
} else {
panic!("unexpected getrandom error: {err}");
return Some(Err(Error::from_raw_os_error(err)));
}
} else {
read += result as usize;
}
}
true
}
pub fn fill_bytes(v: &mut [u8]) {
// getrandom_fill_bytes here can fail if getrandom() returns EAGAIN,
// meaning it would have blocked because the non-blocking pool (urandom)
// has not initialized in the kernel yet due to a lack of entropy. The
// fallback we do here is to avoid blocking applications which could
// depend on this call without ever knowing they do and don't have a
// work around. The PRNG of /dev/urandom will still be used but over a
// possibly predictable entropy pool.
if getrandom_fill_bytes(v) {
return;
}
// getrandom failed because it is permanently or temporarily (because
// of missing entropy) unavailable. Open /dev/urandom, read from it,
// and close it again.
let mut file = File::open("/dev/urandom").expect("failed to open /dev/urandom");
file.read_exact(v).expect("failed to read /dev/urandom")
Some(Ok(()))
}
}
#[cfg(target_vendor = "apple")]
#[cfg(any(
target_os = "macos", // Supported since macOS 10.12+.
target_os = "openbsd",
target_os = "emscripten",
target_os = "vita",
))]
mod imp {
use libc::{c_int, c_void, size_t};
use crate::io;
#[inline(always)]
fn random_failure() -> ! {
panic!("unexpected random generation error: {}", io::Error::last_os_error());
}
#[cfg(target_os = "macos")]
fn getentropy_fill_bytes(v: &mut [u8]) {
extern "C" {
fn getentropy(bytes: *mut c_void, count: size_t) -> c_int;
}
use crate::io::{Error, Result};
pub fn syscall(v: &mut [u8]) -> Result<()> {
// getentropy(2) permits a maximum buffer size of 256 bytes
for s in v.chunks_mut(256) {
let ret = unsafe { getentropy(s.as_mut_ptr().cast(), s.len()) };
let ret = unsafe { libc::getentropy(s.as_mut_ptr().cast(), s.len()) };
if ret == -1 {
random_failure()
return Err(Error::last_os_error());
}
}
}
#[cfg(not(target_os = "macos"))]
fn ccrandom_fill_bytes(v: &mut [u8]) {
Ok(())
}
}
// On Apple platforms, `CCRandomGenerateBytes` and `SecRandomCopyBytes` simply
// call into `CCRandomCopyBytes` with `kCCRandomDefault`. `CCRandomCopyBytes`
// manages a CSPRNG which is seeded from the kernel's CSPRNG and which runs on
// its own thread accessed via GCD. This seems needlessly heavyweight for our purposes
// so we only use it when `getentropy` is blocked, which appears to be the case
// on all platforms except macOS (see #102643).
//
// `CCRandomGenerateBytes` is used instead of `SecRandomCopyBytes` because the former is accessible
// via `libSystem` (libc) while the other needs to link to `Security.framework`.
#[cfg(all(target_vendor = "apple", not(target_os = "macos")))]
mod imp {
use libc::size_t;
use crate::ffi::{c_int, c_void};
use crate::io::{Error, Result};
pub fn syscall(v: &mut [u8]) -> Result<()> {
extern "C" {
fn CCRandomGenerateBytes(bytes: *mut c_void, count: size_t) -> c_int;
}
let ret = unsafe { CCRandomGenerateBytes(v.as_mut_ptr().cast(), v.len()) };
if ret == -1 {
random_failure()
}
}
pub fn fill_bytes(v: &mut [u8]) {
// All supported versions of macOS (10.12+) support getentropy.
//
// `getentropy` is measurably faster (via Divan) then the other alternatives so its preferred
// when usable.
#[cfg(target_os = "macos")]
getentropy_fill_bytes(v);
// On Apple platforms, `CCRandomGenerateBytes` and `SecRandomCopyBytes` simply
// call into `CCRandomCopyBytes` with `kCCRandomDefault`. `CCRandomCopyBytes`
// manages a CSPRNG which is seeded from the kernel's CSPRNG and which runs on
// its own thread accessed via GCD. This seems needlessly heavyweight for our purposes
// so we only use it on non-Mac OSes where the better entrypoints are blocked.
//
// `CCRandomGenerateBytes` is used instead of `SecRandomCopyBytes` because the former is accessible
// via `libSystem` (libc) while the other needs to link to `Security.framework`.
//
// Note that while `getentropy` has a available attribute in the macOS headers, the lack
// of a header in the iOS (and others) SDK means that its can cause app store rejections.
// Just use `CCRandomGenerateBytes` instead.
#[cfg(not(target_os = "macos"))]
ccrandom_fill_bytes(v);
}
}
#[cfg(any(target_os = "openbsd", target_os = "emscripten", target_os = "vita"))]
mod imp {
use crate::sys::os::errno;
pub fn fill_bytes(v: &mut [u8]) {
// getentropy(2) permits a maximum buffer size of 256 bytes
for s in v.chunks_mut(256) {
let ret = unsafe { libc::getentropy(s.as_mut_ptr() as *mut libc::c_void, s.len()) };
if ret == -1 {
panic!("unexpected getentropy error: {}", errno());
}
}
if ret != -1 { Ok(()) } else { Err(Error::last_os_error()) }
}
}
// FIXME: once the 10.x release becomes the minimum, this can be dropped for simplification.
#[cfg(all(target_os = "netbsd", not(netbsd10)))]
mod imp {
use crate::io::{Error, Result};
use crate::ptr;
pub fn fill_bytes(v: &mut [u8]) {
pub fn syscall(v: &mut [u8]) -> Result<()> {
let mib = [libc::CTL_KERN, libc::KERN_ARND];
// kern.arandom permits a maximum buffer size of 256 bytes
for s in v.chunks_mut(256) {
@ -273,39 +246,30 @@ mod imp {
0,
)
};
if ret == -1 || s_len != s.len() {
panic!(
"kern.arandom sysctl failed! (returned {}, s.len() {}, oldlenp {})",
ret,
s.len(),
s_len
);
if ret == -1 {
return Err(Error::last_os_error());
} else if s_len != s.len() {
// FIXME(joboet): this can't actually happen, can it?
panic!("read less bytes than requested from kern.arandom");
}
}
Ok(())
}
}
#[cfg(target_os = "fuchsia")]
mod imp {
use crate::io::Result;
#[link(name = "zircon")]
extern "C" {
fn zx_cprng_draw(buffer: *mut u8, len: usize);
}
pub fn fill_bytes(v: &mut [u8]) {
unsafe { zx_cprng_draw(v.as_mut_ptr(), v.len()) }
}
}
#[cfg(target_os = "redox")]
mod imp {
use crate::fs::File;
use crate::io::Read;
pub fn fill_bytes(v: &mut [u8]) {
// Open rand:, read from it, and close it again.
let mut file = File::open("rand:").expect("failed to open rand:");
file.read_exact(v).expect("failed to read rand:")
pub fn syscall(v: &mut [u8]) -> Result<()> {
unsafe { zx_cprng_draw(v.as_mut_ptr(), v.len()) };
Ok(())
}
}
@ -314,25 +278,25 @@ mod imp {
use core::sync::atomic::AtomicBool;
use core::sync::atomic::Ordering::Relaxed;
use crate::io;
use crate::io::{Error, Result};
pub fn fill_bytes(v: &mut [u8]) {
pub fn syscall(v: &mut [u8]) -> Result<()> {
static RNG_INIT: AtomicBool = AtomicBool::new(false);
while !RNG_INIT.load(Relaxed) {
let ret = unsafe { libc::randSecure() };
if ret < 0 {
panic!("couldn't generate random bytes: {}", io::Error::last_os_error());
return Err(Error::last_os_error());
} else if ret > 0 {
RNG_INIT.store(true, Relaxed);
break;
}
unsafe { libc::usleep(10) };
}
let ret = unsafe {
libc::randABytes(v.as_mut_ptr() as *mut libc::c_uchar, v.len() as libc::c_int)
};
if ret < 0 {
panic!("couldn't generate random bytes: {}", io::Error::last_os_error());
}
if ret >= 0 { Ok(()) } else { Err(Error::last_os_error()) }
}
}

15
library/std/src/thread/mod.rs
View File

@ -434,25 +434,24 @@ impl Builder {
///
/// [`io::Result`]: crate::io::Result
#[unstable(feature = "thread_spawn_unchecked", issue = "55132")]
pub unsafe fn spawn_unchecked<'a, F, T>(self, f: F) -> io::Result<JoinHandle<T>>
pub unsafe fn spawn_unchecked<F, T>(self, f: F) -> io::Result<JoinHandle<T>>
where
F: FnOnce() -> T,
F: Send + 'a,
T: Send + 'a,
F: Send,
T: Send,
{
Ok(JoinHandle(unsafe { self.spawn_unchecked_(f, None) }?))
}
unsafe fn spawn_unchecked_<'a, 'scope, F, T>(
unsafe fn spawn_unchecked_<'scope, F, T>(
self,
f: F,
scope_data: Option<Arc<scoped::ScopeData>>,
) -> io::Result<JoinInner<'scope, T>>
where
F: FnOnce() -> T,
F: Send + 'a,
T: Send + 'a,
'scope: 'a,
F: Send,
T: Send,
{
let Builder { name, stack_size } = self;
@ -532,7 +531,7 @@ impl Builder {
// will call `decrement_num_running_threads` and therefore signal that this thread is
// done.
drop(their_packet);
// Here, the lifetime `'a` and even `'scope` can end. `main` keeps running for a bit
// Here, the lifetime `'scope` can end. `main` keeps running for a bit
// after that before returning itself.
};

4
src/bootstrap/src/core/build_steps/clean.rs
View File

@ -121,7 +121,7 @@ fn clean(build: &Build, all: bool, stage: Option<u32>) {
fn clean_specific_stage(build: &Build, stage: u32) {
for host in &build.hosts {
let entries = match build.out.join(host.triple).read_dir() {
let entries = match build.out.join(host).read_dir() {
Ok(iter) => iter,
Err(_) => continue,
};
@ -148,7 +148,7 @@ fn clean_default(build: &Build) {
rm_rf(&build.out.join("bootstrap-shims-dump"));
rm_rf(&build.out.join("rustfmt.stamp"));
let mut hosts: Vec<_> = build.hosts.iter().map(|t| build.out.join(t.triple)).collect();
let mut hosts: Vec<_> = build.hosts.iter().map(|t| build.out.join(t)).collect();
// After cross-compilation, artifacts of the host architecture (which may differ from build.host)
// might not get removed.
// Adding its path (linked one for easier accessibility) will solve this problem.

18
src/bootstrap/src/core/build_steps/compile.rs
View File

@ -246,7 +246,7 @@ impl Step for Std {
.rustc_snapshot_sysroot()
.join("lib")
.join("rustlib")
.join(compiler.host.triple)
.join(compiler.host)
.join("bin");
if src_sysroot_bin.exists() {
let target_sysroot_bin =
@ -432,7 +432,7 @@ fn copy_self_contained_objects(
DependencyType::TargetSelfContained,
);
}
} else if target.ends_with("windows-gnu") {
} else if target.is_windows_gnu() {
for obj in ["crt2.o", "dllcrt2.o"].iter() {
let src = compiler_file(builder, &builder.cc(target), target, CLang::C, obj);
let target = libdir_self_contained.join(obj);
@ -651,8 +651,8 @@ impl Step for StdLink {
compiler: self.compiler,
force_recompile: self.force_recompile,
});
let libdir = sysroot.join(lib).join("rustlib").join(target.triple).join("lib");
let hostdir = sysroot.join(lib).join("rustlib").join(compiler.host.triple).join("lib");
let libdir = sysroot.join(lib).join("rustlib").join(target).join("lib");
let hostdir = sysroot.join(lib).join("rustlib").join(compiler.host).join("lib");
(libdir, hostdir)
} else {
let libdir = builder.sysroot_libdir(target_compiler, target);
@ -670,12 +670,12 @@ impl Step for StdLink {
.build
.config
.initial_rustc
.starts_with(builder.out.join(compiler.host.triple).join("stage0/bin"))
.starts_with(builder.out.join(compiler.host).join("stage0/bin"))
{
// Copy bin files from stage0/bin to stage0-sysroot/bin
let sysroot = builder.out.join(compiler.host.triple).join("stage0-sysroot");
let sysroot = builder.out.join(compiler.host).join("stage0-sysroot");
let host = compiler.host.triple;
let host = compiler.host;
let stage0_bin_dir = builder.out.join(host).join("stage0/bin");
let sysroot_bin_dir = sysroot.join("bin");
t!(fs::create_dir_all(&sysroot_bin_dir));
@ -793,7 +793,7 @@ impl Step for StartupObjects {
fn run(self, builder: &Builder<'_>) -> Vec<(PathBuf, DependencyType)> {
let for_compiler = self.compiler;
let target = self.target;
if !target.ends_with("windows-gnu") {
if !target.is_windows_gnu() {
return vec![];
}
@ -1554,7 +1554,7 @@ impl Step for Sysroot {
/// For all other stages, it's the same stage directory that the compiler lives in.
fn run(self, builder: &Builder<'_>) -> PathBuf {
let compiler = self.compiler;
let host_dir = builder.out.join(compiler.host.triple);
let host_dir = builder.out.join(compiler.host);
let sysroot_dir = |stage| {
if stage == 0 {

38
src/bootstrap/src/core/build_steps/dist.rs
View File

@ -275,12 +275,8 @@ fn make_win_dist(
}
//Copy platform tools to platform-specific bin directory
let target_bin_dir = plat_root
.join("lib")
.join("rustlib")
.join(target.triple)
.join("bin")
.join("self-contained");
let target_bin_dir =
plat_root.join("lib").join("rustlib").join(target).join("bin").join("self-contained");
fs::create_dir_all(&target_bin_dir).expect("creating target_bin_dir failed");
for src in target_tools {
builder.copy_link_to_folder(&src, &target_bin_dir);
@ -295,12 +291,8 @@ fn make_win_dist(
);
//Copy platform libs to platform-specific lib directory
let target_lib_dir = plat_root
.join("lib")
.join("rustlib")
.join(target.triple)
.join("lib")
.join("self-contained");
let target_lib_dir =
plat_root.join("lib").join("rustlib").join(target).join("lib").join("self-contained");
fs::create_dir_all(&target_lib_dir).expect("creating target_lib_dir failed");
for src in target_libs {
builder.copy_link_to_folder(&src, &target_lib_dir);
@ -450,7 +442,7 @@ impl Step for Rustc {
// component for now.
maybe_install_llvm_runtime(builder, host, image);
let dst_dir = image.join("lib/rustlib").join(&*host.triple).join("bin");
let dst_dir = image.join("lib/rustlib").join(host).join("bin");
t!(fs::create_dir_all(&dst_dir));
// Copy over lld if it's there
@ -607,7 +599,7 @@ fn verify_uefi_rlib_format(builder: &Builder<'_>, target: TargetSelection, stamp
/// Copy stamped files into an image's `target/lib` directory.
fn copy_target_libs(builder: &Builder<'_>, target: TargetSelection, image: &Path, stamp: &Path) {
let dst = image.join("lib/rustlib").join(target.triple).join("lib");
let dst = image.join("lib/rustlib").join(target).join("lib");
let self_contained_dst = dst.join("self-contained");
t!(fs::create_dir_all(&dst));
t!(fs::create_dir_all(&self_contained_dst));
@ -769,7 +761,7 @@ impl Step for Analysis {
let src = builder
.stage_out(compiler, Mode::Std)
.join(target.triple)
.join(target)
.join(builder.cargo_dir())
.join("deps")
.join("save-analysis");
@ -1509,7 +1501,7 @@ impl Step for Extended {
tarballs.push(builder.ensure(Rustc { compiler: builder.compiler(stage, target) }));
tarballs.push(builder.ensure(Std { compiler, target }).expect("missing std"));
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
tarballs.push(builder.ensure(Mingw { host: target }).expect("missing mingw"));
}
@ -1683,7 +1675,7 @@ impl Step for Extended {
prepare(tool);
}
}
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
prepare("rust-mingw");
}
@ -1830,7 +1822,7 @@ impl Step for Extended {
.arg("-t")
.arg(etc.join("msi/remove-duplicates.xsl"))
.run(builder);
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
command(&heat)
.current_dir(&exe)
.arg("dir")
@ -1876,7 +1868,7 @@ impl Step for Extended {
if built_tools.contains("miri") {
cmd.arg("-dMiriDir=miri");
}
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
cmd.arg("-dGccDir=rust-mingw");
}
cmd.run(builder);
@ -1901,7 +1893,7 @@ impl Step for Extended {
}
candle("AnalysisGroup.wxs".as_ref());
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
candle("GccGroup.wxs".as_ref());
}
@ -1941,7 +1933,7 @@ impl Step for Extended {
cmd.arg("DocsGroup.wixobj");
}
if target.ends_with("windows-gnu") {
if target.is_windows_gnu() {
cmd.arg("GccGroup.wixobj");
}
// ICE57 wrongly complains about the shortcuts
@ -1973,7 +1965,7 @@ fn add_env(builder: &Builder<'_>, cmd: &mut BootstrapCommand, target: TargetSele
if target.contains("windows-gnullvm") {
cmd.env("CFG_MINGW", "1").env("CFG_ABI", "LLVM");
} else if target.contains("windows-gnu") {
} else if target.is_windows_gnu() {
cmd.env("CFG_MINGW", "1").env("CFG_ABI", "GNU");
} else {
cmd.env("CFG_MINGW", "0").env("CFG_ABI", "MSVC");
@ -2087,7 +2079,7 @@ fn maybe_install_llvm(
/// Maybe add libLLVM.so to the target lib-dir for linking.
pub fn maybe_install_llvm_target(builder: &Builder<'_>, target: TargetSelection, sysroot: &Path) {
let dst_libdir = sysroot.join("lib/rustlib").join(&*target.triple).join("lib");
let dst_libdir = sysroot.join("lib/rustlib").join(target).join("lib");
// We do not need to copy LLVM files into the sysroot if it is not
// dynamically linked; it is already included into librustc_llvm
// statically.

9
src/bootstrap/src/core/build_steps/doc.rs
View File

@ -699,13 +699,12 @@ fn doc_std(
let compiler = builder.compiler(stage, builder.config.build);
let target_doc_dir_name = if format == DocumentationFormat::Json { "json-doc" } else { "doc" };
let target_dir =
builder.stage_out(compiler, Mode::Std).join(target.triple).join(target_doc_dir_name);
let target_dir = builder.stage_out(compiler, Mode::Std).join(target).join(target_doc_dir_name);
// This is directory where the compiler will place the output of the command.
// We will then copy the files from this directory into the final `out` directory, the specified
// as a function parameter.
let out_dir = target_dir.join(target.triple).join("doc");
let out_dir = target_dir.join(target).join("doc");
let mut cargo =
builder::Cargo::new(builder, compiler, Mode::Std, SourceType::InTree, target, Kind::Doc);
@ -846,7 +845,7 @@ impl Step for Rustc {
let mut to_open = None;
let out_dir = builder.stage_out(compiler, Mode::Rustc).join(target.triple).join("doc");
let out_dir = builder.stage_out(compiler, Mode::Rustc).join(target).join("doc");
for krate in &*self.crates {
// Create all crate output directories first to make sure rustdoc uses
// relative links.
@ -992,7 +991,7 @@ macro_rules! tool_doc {
// see https://github.com/rust-lang/rust/pull/122066#issuecomment-1983049222
// cargo.rustdocflag("--generate-link-to-definition");
let out_dir = builder.stage_out(compiler, Mode::ToolRustc).join(target.triple).join("doc");
let out_dir = builder.stage_out(compiler, Mode::ToolRustc).join(target).join("doc");
$(for krate in $crates {
let dir_name = krate.replace("-", "_");
t!(fs::create_dir_all(out_dir.join(&*dir_name)));

10
src/bootstrap/src/core/build_steps/test.rs
View File

@ -149,7 +149,7 @@ You can skip linkcheck with --skip src/tools/linkchecker"
let _guard =
builder.msg(Kind::Test, compiler.stage, "Linkcheck", bootstrap_host, bootstrap_host);
let _time = helpers::timeit(builder);
linkchecker.delay_failure().arg(builder.out.join(host.triple).join("doc")).run(builder);
linkchecker.delay_failure().arg(builder.out.join(host).join("doc")).run(builder);
}
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
@ -435,7 +435,7 @@ impl Miri {
compiler: Compiler,
target: TargetSelection,
) -> PathBuf {
let miri_sysroot = builder.out.join(compiler.host.triple).join("miri-sysroot");
let miri_sysroot = builder.out.join(compiler.host).join("miri-sysroot");
let mut cargo = builder::Cargo::new(
builder,
compiler,
@ -1115,7 +1115,7 @@ HELP: to skip test's attempt to check tidiness, pass `--skip src/tools/tidy` to
}
fn testdir(builder: &Builder<'_>, host: TargetSelection) -> PathBuf {
builder.out.join(host.triple).join("test")
builder.out.join(host).join("test")
}
macro_rules! default_test {
@ -1817,7 +1817,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the
let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] };
flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests));
flags.extend(builder.config.cmd.rustc_args().iter().map(|s| s.to_string()));
flags.extend(builder.config.cmd.compiletest_rustc_args().iter().map(|s| s.to_string()));
if suite != "mir-opt" {
if let Some(linker) = builder.linker(target) {
@ -2685,7 +2685,7 @@ impl Step for Crate {
if builder.download_rustc() && compiler.stage > 0 {
let sysroot = builder
.out
.join(compiler.host.triple)
.join(compiler.host)
.join(format!("stage{}-test-sysroot", compiler.stage));
cargo.env("RUSTC_SYSROOT", sysroot);
}

13
src/bootstrap/src/core/builder.rs
View File

@ -1171,7 +1171,7 @@ impl<'a> Builder<'a> {
.sysroot(self.compiler)
.join(lib)
.join("rustlib")
.join(self.target.triple)
.join(self.target)
.join("lib");
// Avoid deleting the rustlib/ directory we just copied
// (in `impl Step for Sysroot`).
@ -1254,7 +1254,7 @@ impl<'a> Builder<'a> {
// Ensure that the downloaded LLVM libraries can be found.
if self.config.llvm_from_ci {
let ci_llvm_lib = self.out.join(&*compiler.host.triple).join("ci-llvm").join("lib");
let ci_llvm_lib = self.out.join(compiler.host).join("ci-llvm").join("lib");
dylib_dirs.push(ci_llvm_lib);
}
@ -1504,9 +1504,9 @@ impl<'a> Builder<'a> {
Mode::Rustc | Mode::ToolRustc => self.compiler_doc_out(target),
Mode::Std => {
if self.config.cmd.json() {
out_dir.join(target.triple).join("json-doc")
out_dir.join(target).join("json-doc")
} else {
out_dir.join(target.triple).join("doc")
out_dir.join(target).join("doc")
}
}
_ => panic!("doc mode {mode:?} not expected"),
@ -2226,11 +2226,6 @@ impl<'a> Builder<'a> {
rustdocflags.arg("--cfg=parallel_compiler");
}
// Pass the value of `--rustc-args` from test command. If it's not a test command, this won't set anything.
self.config.cmd.rustc_args().iter().for_each(|v| {
rustflags.arg(v);
});
Cargo {
command: cargo,
compiler,

4
src/bootstrap/src/core/builder/tests.rs
View File

@ -633,7 +633,7 @@ mod dist {
config.paths = vec!["library/std".into()];
config.cmd = Subcommand::Test {
test_args: vec![],
rustc_args: vec![],
compiletest_rustc_args: vec![],
no_fail_fast: false,
no_doc: true,
doc: false,
@ -704,7 +704,7 @@ mod dist {
let mut config = configure(&["A-A"], &["A-A"]);
config.cmd = Subcommand::Test {
test_args: vec![],
rustc_args: vec![],
compiletest_rustc_args: vec![],
no_fail_fast: false,
doc: true,
no_doc: false,

20
src/bootstrap/src/core/config/config.rs
View File

@ -514,6 +514,10 @@ impl TargetSelection {
self.contains("windows")
}
pub fn is_windows_gnu(&self) -> bool {
self.ends_with("windows-gnu")
}
/// Path to the file defining the custom target, if any.
pub fn filepath(&self) -> Option<&Path> {
self.file.as_ref().map(Path::new)
@ -542,6 +546,14 @@ impl PartialEq<&str> for TargetSelection {
}
}
// Targets are often used as directory names throughout bootstrap.
// This impl makes it more ergonomics to use them as such.
impl AsRef<Path> for TargetSelection {
fn as_ref(&self) -> &Path {
self.triple.as_ref()
}
}
/// Per-target configuration stored in the global configuration structure.
#[derive(Debug, Default, Clone, PartialEq, Eq)]
pub struct Target {
@ -1469,7 +1481,7 @@ impl Config {
config.download_beta_toolchain();
config
.out
.join(config.build.triple)
.join(config.build)
.join("stage0")
.join("bin")
.join(exe("rustc", config.build))
@ -1484,7 +1496,7 @@ impl Config {
config.download_beta_toolchain();
config
.out
.join(config.build.triple)
.join(config.build)
.join("stage0")
.join("bin")
.join(exe("cargo", config.build))
@ -2277,13 +2289,13 @@ impl Config {
/// The absolute path to the downloaded LLVM artifacts.
pub(crate) fn ci_llvm_root(&self) -> PathBuf {
assert!(self.llvm_from_ci);
self.out.join(&*self.build.triple).join("ci-llvm")
self.out.join(self.build).join("ci-llvm")
}
/// Directory where the extracted `rustc-dev` component is stored.
pub(crate) fn ci_rustc_dir(&self) -> PathBuf {
assert!(self.download_rustc());
self.out.join(self.build.triple).join("ci-rustc")
self.out.join(self.build).join("ci-rustc")
}
/// Determine whether llvm should be linked dynamically.

13
src/bootstrap/src/core/config/flags.rs
View File

@ -357,9 +357,9 @@ pub enum Subcommand {
/// extra arguments to be passed for the test tool being used
/// (e.g. libtest, compiletest or rustdoc)
test_args: Vec<String>,
/// extra options to pass the compiler when running tests
/// extra options to pass the compiler when running compiletest tests
#[arg(long, value_name = "ARGS", allow_hyphen_values(true))]
rustc_args: Vec<String>,
compiletest_rustc_args: Vec<String>,
#[arg(long)]
/// do not run doc tests
no_doc: bool,
@ -402,9 +402,6 @@ pub enum Subcommand {
/// extra arguments to be passed for the test tool being used
/// (e.g. libtest, compiletest or rustdoc)
test_args: Vec<String>,
/// extra options to pass the compiler when running tests
#[arg(long, value_name = "ARGS", allow_hyphen_values(true))]
rustc_args: Vec<String>,
#[arg(long)]
/// do not run doc tests
no_doc: bool,
@ -509,10 +506,10 @@ impl Subcommand {
}
}
pub fn rustc_args(&self) -> Vec<&str> {
pub fn compiletest_rustc_args(&self) -> Vec<&str> {
match *self {
Subcommand::Test { ref rustc_args, .. } | Subcommand::Miri { ref rustc_args, .. } => {
rustc_args.iter().flat_map(|s| s.split_whitespace()).collect()
Subcommand::Test { ref compiletest_rustc_args, .. } => {
compiletest_rustc_args.iter().flat_map(|s| s.split_whitespace()).collect()
}
_ => vec![],
}

8
src/bootstrap/src/core/download.rs
View File

@ -379,7 +379,7 @@ impl Config {
let version = &self.stage0_metadata.compiler.version;
let host = self.build;
let bin_root = self.out.join(host.triple).join("stage0");
let bin_root = self.out.join(host).join("stage0");
let clippy_stamp = bin_root.join(".clippy-stamp");
let cargo_clippy = bin_root.join("bin").join(exe("cargo-clippy", host));
if cargo_clippy.exists() && !program_out_of_date(&clippy_stamp, date) {
@ -412,7 +412,7 @@ impl Config {
let channel = format!("{version}-{date}");
let host = self.build;
let bin_root = self.out.join(host.triple).join("rustfmt");
let bin_root = self.out.join(host).join("rustfmt");
let rustfmt_path = bin_root.join("bin").join(exe("rustfmt", host));
let rustfmt_stamp = bin_root.join(".rustfmt-stamp");
if rustfmt_path.exists() && !program_out_of_date(&rustfmt_stamp, &channel) {
@ -519,7 +519,7 @@ impl Config {
extra_components: &[&str],
download_component: fn(&Config, String, &str, &str),
) {
let host = self.build.triple;
let host = self.build;
let bin_root = self.out.join(host).join(sysroot);
let rustc_stamp = bin_root.join(".rustc-stamp");
@ -592,7 +592,7 @@ impl Config {
t!(fs::create_dir_all(&cache_dir));
}
let bin_root = self.out.join(self.build.triple).join(destination);
let bin_root = self.out.join(self.build).join(destination);
let tarball = cache_dir.join(&filename);
let (base_url, url, should_verify) = match mode {
DownloadSource::CI => {

27
src/bootstrap/src/lib.rs
View File

@ -452,7 +452,7 @@ impl Build {
}
// Make a symbolic link so we can use a consistent directory in the documentation.
let build_triple = build.out.join(build.build.triple);
let build_triple = build.out.join(build.build);
t!(fs::create_dir_all(&build_triple));
let host = build.out.join("host");
if host.is_symlink() {
@ -807,10 +807,7 @@ impl Build {
}
fn tools_dir(&self, compiler: Compiler) -> PathBuf {
let out = self
.out
.join(&*compiler.host.triple)
.join(format!("stage{}-tools-bin", compiler.stage));
let out = self.out.join(compiler.host).join(format!("stage{}-tools-bin", compiler.stage));
t!(fs::create_dir_all(&out));
out
}
@ -827,14 +824,14 @@ impl Build {
Mode::ToolBootstrap => "-bootstrap-tools",
Mode::ToolStd | Mode::ToolRustc => "-tools",
};
self.out.join(&*compiler.host.triple).join(format!("stage{}{}", compiler.stage, suffix))
self.out.join(compiler.host).join(format!("stage{}{}", compiler.stage, suffix))
}
/// Returns the root output directory for all Cargo output in a given stage,
/// running a particular compiler, whether or not we're building the
/// standard library, and targeting the specified architecture.
fn cargo_out(&self, compiler: Compiler, mode: Mode, target: TargetSelection) -> PathBuf {
self.stage_out(compiler, mode).join(&*target.triple).join(self.cargo_dir())
self.stage_out(compiler, mode).join(target).join(self.cargo_dir())
}
/// Root output directory of LLVM for `target`
@ -845,36 +842,36 @@ impl Build {
if self.config.llvm_from_ci && self.config.build == target {
self.config.ci_llvm_root()
} else {
self.out.join(&*target.triple).join("llvm")
self.out.join(target).join("llvm")
}
}
fn lld_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("lld")
self.out.join(target).join("lld")
}
/// Output directory for all documentation for a target
fn doc_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("doc")
self.out.join(target).join("doc")
}
/// Output directory for all JSON-formatted documentation for a target
fn json_doc_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("json-doc")
self.out.join(target).join("json-doc")
}
fn test_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("test")
self.out.join(target).join("test")
}
/// Output directory for all documentation for a target
fn compiler_doc_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("compiler-doc")
self.out.join(target).join("compiler-doc")
}
/// Output directory for some generated md crate documentation for a target (temporary)
fn md_doc_out(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("md-doc")
self.out.join(target).join("md-doc")
}
/// Returns `true` if this is an external version of LLVM not managed by bootstrap.
@ -954,7 +951,7 @@ impl Build {
/// Directory for libraries built from C/C++ code and shared between stages.
fn native_dir(&self, target: TargetSelection) -> PathBuf {
self.out.join(&*target.triple).join("native")
self.out.join(target).join("native")
}
/// Root output directory for rust_test_helpers library compiled for

5
src/bootstrap/src/utils/change_tracker.rs
View File

@ -225,4 +225,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[
severity: ChangeSeverity::Info,
summary: "New option `llvm.libzstd` to control whether llvm is built with zstd support.",
},
ChangeInfo {
change_id: 128841,
severity: ChangeSeverity::Warning,
summary: "./x test --rustc-args was renamed to --compiletest-rustc-args as it only applies there. ./x miri --rustc-args was also removed.",
},
];

6
src/ci/docker/scripts/x86_64-gnu-llvm.sh
View File

@ -18,9 +18,9 @@ if [[ -z "${PR_CI_JOB}" ]]; then
# compiler, and is sensitive to the addition of new flags.
../x.py --stage 1 test tests/ui-fulldeps
# The tests are run a second time with the size optimizations enabled.
../x.py --stage 1 test library/std library/alloc library/core \
--rustc-args "--cfg feature=\"optimize_for_size\""
# Rebuild the stdlib with the size optimizations enabled and run tests again.
RUSTFLAGS_NOT_BOOTSTRAP="--cfg feature=\"optimize_for_size\"" ../x.py --stage 1 test \
library/std library/alloc library/core
fi
# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux.

3
src/etc/completions/x.py.fish
View File

@ -266,7 +266,7 @@ complete -c x.py -n "__fish_seen_subcommand_from doc" -l enable-bolt-settings -d
complete -c x.py -n "__fish_seen_subcommand_from doc" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
complete -c x.py -n "__fish_seen_subcommand_from doc" -s h -l help -d 'Print help (see more with \'--help\')'
complete -c x.py -n "__fish_seen_subcommand_from test" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
complete -c x.py -n "__fish_seen_subcommand_from test" -l rustc-args -d 'extra options to pass the compiler when running tests' -r
complete -c x.py -n "__fish_seen_subcommand_from test" -l compiletest-rustc-args -d 'extra options to pass the compiler when running compiletest tests' -r
complete -c x.py -n "__fish_seen_subcommand_from test" -l extra-checks -d 'comma-separated list of other files types to check (accepts py, py:lint, py:fmt, shell)' -r
complete -c x.py -n "__fish_seen_subcommand_from test" -l compare-mode -d 'mode describing what file the actual ui output will be compared to' -r
complete -c x.py -n "__fish_seen_subcommand_from test" -l pass -d 'force {check,build,run}-pass tests to this mode' -r
@ -313,7 +313,6 @@ complete -c x.py -n "__fish_seen_subcommand_from test" -l enable-bolt-settings -
complete -c x.py -n "__fish_seen_subcommand_from test" -l skip-stage0-validation -d 'Skip stage0 compiler validation'
complete -c x.py -n "__fish_seen_subcommand_from test" -s h -l help -d 'Print help (see more with \'--help\')'
complete -c x.py -n "__fish_seen_subcommand_from miri" -l test-args -d 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)' -r
complete -c x.py -n "__fish_seen_subcommand_from miri" -l rustc-args -d 'extra options to pass the compiler when running tests' -r
complete -c x.py -n "__fish_seen_subcommand_from miri" -l config -d 'TOML configuration file for build' -r -F
complete -c x.py -n "__fish_seen_subcommand_from miri" -l build-dir -d 'Build directory, overrides `build.build-dir` in `config.toml`' -r -f -a "(__fish_complete_directories)"
complete -c x.py -n "__fish_seen_subcommand_from miri" -l build -d 'build target of the stage0 compiler' -r -f

3
src/etc/completions/x.py.ps1
View File

@ -338,7 +338,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
}
'x.py;test' {
[CompletionResult]::new('--test-args', 'test-args', [CompletionResultType]::ParameterName, 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)')
[CompletionResult]::new('--rustc-args', 'rustc-args', [CompletionResultType]::ParameterName, 'extra options to pass the compiler when running tests')
[CompletionResult]::new('--compiletest-rustc-args', 'compiletest-rustc-args', [CompletionResultType]::ParameterName, 'extra options to pass the compiler when running compiletest tests')
[CompletionResult]::new('--extra-checks', 'extra-checks', [CompletionResultType]::ParameterName, 'comma-separated list of other files types to check (accepts py, py:lint, py:fmt, shell)')
[CompletionResult]::new('--compare-mode', 'compare-mode', [CompletionResultType]::ParameterName, 'mode describing what file the actual ui output will be compared to')
[CompletionResult]::new('--pass', 'pass', [CompletionResultType]::ParameterName, 'force {check,build,run}-pass tests to this mode')
@ -392,7 +392,6 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock {
}
'x.py;miri' {
[CompletionResult]::new('--test-args', 'test-args', [CompletionResultType]::ParameterName, 'extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)')
[CompletionResult]::new('--rustc-args', 'rustc-args', [CompletionResultType]::ParameterName, 'extra options to pass the compiler when running tests')
[CompletionResult]::new('--config', 'config', [CompletionResultType]::ParameterName, 'TOML configuration file for build')
[CompletionResult]::new('--build-dir', 'build-dir', [CompletionResultType]::ParameterName, 'Build directory, overrides `build.build-dir` in `config.toml`')
[CompletionResult]::new('--build', 'build', [CompletionResultType]::ParameterName, 'build target of the stage0 compiler')

10
src/etc/completions/x.py.sh
View File

@ -1300,7 +1300,7 @@ _x.py() {
return 0
;;
x.py__miri)
opts="-v -i -j -h --no-fail-fast --test-args --rustc-args --no-doc --doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
opts="-v -i -j -h --no-fail-fast --test-args --no-doc --doc --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
return 0
@ -1310,10 +1310,6 @@ _x.py() {
COMPREPLY=($(compgen -f "${cur}"))
return 0
;;
--rustc-args)
COMPREPLY=($(compgen -f "${cur}"))
return 0
;;
--config)
COMPREPLY=($(compgen -f "${cur}"))
return 0
@ -1862,7 +1858,7 @@ _x.py() {
return 0
;;
x.py__test)
opts="-v -i -j -h --no-fail-fast --test-args --rustc-args --no-doc --doc --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
opts="-v -i -j -h --no-fail-fast --test-args --compiletest-rustc-args --no-doc --doc --bless --extra-checks --force-rerun --only-modified --compare-mode --pass --run --rustfix-coverage --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..."
if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then
COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
return 0
@ -1872,7 +1868,7 @@ _x.py() {
COMPREPLY=($(compgen -f "${cur}"))
return 0
;;
--rustc-args)
--compiletest-rustc-args)
COMPREPLY=($(compgen -f "${cur}"))
return 0
;;

3
src/etc/completions/x.py.zsh
View File

@ -337,7 +337,7 @@ _arguments "${_arguments_options[@]}" \
(test)
_arguments "${_arguments_options[@]}" \
'*--test-args=[extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)]:ARGS: ' \
'*--rustc-args=[extra options to pass the compiler when running tests]:ARGS: ' \
'*--compiletest-rustc-args=[extra options to pass the compiler when running compiletest tests]:ARGS: ' \
'--extra-checks=[comma-separated list of other files types to check (accepts py, py\:lint, py\:fmt, shell)]:EXTRA_CHECKS: ' \
'--compare-mode=[mode describing what file the actual ui output will be compared to]:COMPARE MODE: ' \
'--pass=[force {check,build,run}-pass tests to this mode]:check | build | run: ' \
@ -393,7 +393,6 @@ _arguments "${_arguments_options[@]}" \
(miri)
_arguments "${_arguments_options[@]}" \
'*--test-args=[extra arguments to be passed for the test tool being used (e.g. libtest, compiletest or rustdoc)]:ARGS: ' \
'*--rustc-args=[extra options to pass the compiler when running tests]:ARGS: ' \
'--config=[TOML configuration file for build]:FILE:_files' \
'--build-dir=[Build directory, overrides \`build.build-dir\` in \`config.toml\`]:DIR:_files -/' \
'--build=[build target of the stage0 compiler]:BUILD:( )' \

15
src/tools/compiletest/src/runtest.rs
View File

@ -3735,15 +3735,14 @@ impl<'test> TestCx<'test> {
}
if self.config.bless {
cmd.env("RUSTC_BLESS_TEST", "--bless");
// Assume this option is active if the environment variable is "defined", with _any_ value.
// As an example, a `Makefile` can use this option by:
// If we're running in `--bless` mode, set an environment variable to tell
// `run_make_support` to bless snapshot files instead of checking them.
//
// ifdef RUSTC_BLESS_TEST
// cp "$(TMPDIR)"/actual_something.ext expected_something.ext
// else
// $(DIFF) expected_something.ext "$(TMPDIR)"/actual_something.ext
// endif
// The value is this test's source directory, because the support code
// will need that path in order to bless the _original_ snapshot files,
// not the copies in `rmake_out`.
// (See <https://github.com/rust-lang/rust/issues/129038>.)
cmd.env("RUSTC_BLESS_TEST", &self.testpaths.file);
}
if self.config.target.contains("msvc") && !self.config.cc.is_empty() {

40
src/tools/run-make-support/src/diff/mod.rs
View File

@ -112,14 +112,8 @@ impl Diff {
let (expected_name, actual_name, output, actual) = self.run_common();
if !output.is_empty() {
// If we can bless (meaning we have a file to write into and the `RUSTC_BLESS_TEST`
// environment variable set), then we write into the file and return.
if let Some(ref expected_file) = self.expected_file {
if std::env::var("RUSTC_BLESS_TEST").is_ok() {
println!("Blessing `{}`", expected_file.display());
fs::write(expected_file, actual);
return;
}
if self.maybe_bless_expected_file(&actual) {
return;
}
panic!(
"test failed: `{}` is different from `{}`\n\n{}",
@ -134,14 +128,8 @@ impl Diff {
let (expected_name, actual_name, output, actual) = self.run_common();
if output.is_empty() {
// If we can bless (meaning we have a file to write into and the `RUSTC_BLESS_TEST`
// environment variable set), then we write into the file and return.
if let Some(ref expected_file) = self.expected_file {
if std::env::var("RUSTC_BLESS_TEST").is_ok() {
println!("Blessing `{}`", expected_file.display());
fs::write(expected_file, actual);
return;
}
if self.maybe_bless_expected_file(&actual) {
return;
}
panic!(
"test failed: `{}` is not different from `{}`\n\n{}",
@ -149,4 +137,24 @@ impl Diff {
)
}
}
/// If we have an expected file to write into, and `RUSTC_BLESS_TEST` is
/// set, then write the actual output into the file and return `true`.
///
/// We assume that `RUSTC_BLESS_TEST` contains the path to the original test's
/// source directory. That lets us bless the original snapshot file in the
/// source tree, not the copy in `rmake_out` that we would normally use.
fn maybe_bless_expected_file(&self, actual: &str) -> bool {
let Some(ref expected_file) = self.expected_file else {
return false;
};
let Ok(bless_dir) = std::env::var("RUSTC_BLESS_TEST") else {
return false;
};
let bless_file = Path::new(&bless_dir).join(expected_file);
println!("Blessing `{}`", bless_file.display());
fs::write(bless_file, actual);
true
}
}

132
tests/assembly/powerpc64-struct-abi.rs Normal file
View File

@ -0,0 +1,132 @@
//@ revisions: elfv1-be elfv2-be elfv2-le
//@ assembly-output: emit-asm
//@ compile-flags: -O
//@[elfv1-be] compile-flags: --target powerpc64-unknown-linux-gnu
//@[elfv1-be] needs-llvm-components: powerpc
//@[elfv2-be] compile-flags: --target powerpc64-unknown-linux-musl
//@[elfv2-be] needs-llvm-components: powerpc
//@[elfv2-le] compile-flags: --target powerpc64le-unknown-linux-gnu
//@[elfv2-le] needs-llvm-components: powerpc
//@[elfv1-be] filecheck-flags: --check-prefix be
//@[elfv2-be] filecheck-flags: --check-prefix be
#![feature(no_core, lang_items)]
#![no_std]
#![no_core]
#![crate_type = "lib"]
#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}
#[lang = "freeze"]
trait Freeze {}
#[lang = "unpin"]
trait Unpin {}
impl Copy for u8 {}
impl Copy for u16 {}
impl Copy for u32 {}
impl Copy for FiveU32s {}
impl Copy for FiveU16s {}
impl Copy for ThreeU8s {}
#[repr(C)]
struct FiveU32s(u32, u32, u32, u32, u32);
#[repr(C)]
struct FiveU16s(u16, u16, u16, u16, u16);
#[repr(C)]
struct ThreeU8s(u8, u8, u8);
// CHECK-LABEL: read_large
// be: lwz [[REG1:.*]], 16(4)
// be-NEXT: stw [[REG1]], 16(3)
// be-NEXT: ld [[REG2:.*]], 8(4)
// be-NEXT: ld [[REG3:.*]], 0(4)
// be-NEXT: std [[REG2]], 8(3)
// be-NEXT: std [[REG3]], 0(3)
// elfv2-le: lxvd2x [[REG1:.*]], 0, 4
// elfv2-le-NEXT: lwz [[REG2:.*]], 16(4)
// elfv2-le-NEXT: stw [[REG2]], 16(3)
// elfv2-le-NEXT: stxvd2x [[REG1]], 0, 3
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn read_large(x: &FiveU32s) -> FiveU32s {
*x
}
// CHECK-LABEL: read_medium
// elfv1-be: lhz [[REG1:.*]], 8(4)
// elfv1-be-NEXT: ld [[REG2:.*]], 0(4)
// elfv1-be-NEXT: sth [[REG1]], 8(3)
// elfv1-be-NEXT: std [[REG2]], 0(3)
// elfv2-be: lhz [[REG1:.*]], 8(3)
// elfv2-be-NEXT: ld 3, 0(3)
// elfv2-be-NEXT: sldi 4, [[REG1]], 48
// elfv2-le: ld [[REG1:.*]], 0(3)
// elfv2-le-NEXT: lhz 4, 8(3)
// elfv2-le-NEXT: mr 3, [[REG1]]
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn read_medium(x: &FiveU16s) -> FiveU16s {
*x
}
// CHECK-LABEL: read_small
// elfv1-be: lbz [[REG1:.*]], 2(4)
// elfv1-be-NEXT: lhz [[REG2:.*]], 0(4)
// elfv1-be-NEXT: stb [[REG1]], 2(3)
// elfv1-be-NEXT: sth [[REG2]], 0(3)
// elfv2-be: lhz [[REG1:.*]], 0(3)
// elfv2-be-NEXT: lbz 3, 2(3)
// elfv2-be-NEXT: rldimi 3, [[REG1]], 8, 0
// elfv2-le: lbz [[REG1:.*]], 2(3)
// elfv2-le-NEXT: lhz 3, 0(3)
// elfv2-le-NEXT: rldimi 3, [[REG1]], 16, 0
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn read_small(x: &ThreeU8s) -> ThreeU8s {
*x
}
// CHECK-LABEL: write_large
// CHECK: std 3, 0(6)
// be-NEXT: rldicl [[REG1:.*]], 5, 32, 32
// CHECK-NEXT: std 4, 8(6)
// be-NEXT: stw [[REG1]], 16(6)
// elfv2-le-NEXT: stw 5, 16(6)
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn write_large(x: FiveU32s, dest: &mut FiveU32s) {
*dest = x;
}
// CHECK-LABEL: write_medium
// CHECK: std 3, 0(5)
// be-NEXT: rldicl [[REG1:.*]], 4, 16, 48
// be-NEXT: sth [[REG1]], 8(5)
// elfv2-le-NEXT: sth 4, 8(5)
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn write_medium(x: FiveU16s, dest: &mut FiveU16s) {
*dest = x;
}
// CHECK-LABEL: write_small
// be: stb 3, 2(4)
// be-NEXT: srwi [[REG1:.*]], 3, 8
// be-NEXT: sth [[REG1]], 0(4)
// The order these instructions are emitted in changed in LLVM 18.
// elfv2-le-DAG: sth 3, 0(4)
// elfv2-le-DAG: srwi [[REG1:.*]], 3, 16
// elfv2-le-NEXT: stb [[REG1]], 2(4)
// CHECK-NEXT: blr
#[no_mangle]
extern "C" fn write_small(x: ThreeU8s, dest: &mut ThreeU8s) {
*dest = x;
}

0
tests/ui/sanitizer/cfi-assoc-ty-lifetime-issue-123053.rs → tests/ui/sanitizer/cfi/assoc-ty-lifetime-issue-123053.rs
View File

0
tests/ui/sanitizer/cfi-async-closures.rs → tests/ui/sanitizer/cfi/async-closures.rs
View File

0
tests/ui/sanitizer/cfi-can-reveal-opaques.rs → tests/ui/sanitizer/cfi/can-reveal-opaques.rs
View File

0
tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.rs → tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.rs
View File

0
tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.stderr → tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.stderr
View File

0
tests/ui/sanitizer/cfi-closures.rs → tests/ui/sanitizer/cfi/closures.rs
View File

0
tests/ui/sanitizer/cfi-complex-receiver.rs → tests/ui/sanitizer/cfi/complex-receiver.rs
View File

0
tests/ui/sanitizer/cfi-coroutine.rs → tests/ui/sanitizer/cfi/coroutine.rs
View File

0
tests/ui/sanitizer/cfi-drop-in-place.rs → tests/ui/sanitizer/cfi/drop-in-place.rs
View File

0
tests/ui/sanitizer/cfi-drop-no-principal.rs → tests/ui/sanitizer/cfi/drop-no-principal.rs
View File

0
tests/ui/sanitizer/cfi-fn-ptr.rs → tests/ui/sanitizer/cfi/fn-ptr.rs
View File

0
tests/ui/sanitizer/cfi-generalize-pointers-attr-cfg.rs → tests/ui/sanitizer/cfi/generalize-pointers-attr-cfg.rs
View File

0
tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.rs → tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.rs
View File

0
tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.stderr → tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.stderr
View File

0
tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.rs → tests/ui/sanitizer/cfi/invalid-attr-encoding.rs
View File

2
tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.stderr → tests/ui/sanitizer/cfi/invalid-attr-encoding.stderr
View File

@ -1,5 +1,5 @@
error: malformed `cfi_encoding` attribute input
--> $DIR/cfi-invalid-attr-cfi-encoding.rs:10:1
--> $DIR/invalid-attr-encoding.rs:10:1
|
LL | #[cfi_encoding]
| ^^^^^^^^^^^^^^^ help: must be of the form: `#[cfi_encoding = "encoding"]`

0
tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr → tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.aarch64.stderr
View File

0
tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.rs → tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.rs
View File

0
tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr → tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.x86_64.stderr
View File

0
tests/ui/sanitizer/cfi-normalize-integers-attr-cfg.rs → tests/ui/sanitizer/cfi/normalize-integers-attr-cfg.rs
View File

0
tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.rs → tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.rs
View File

0
tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.stderr → tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.stderr
View File

0
tests/ui/sanitizer/cfi-requires-lto.rs → tests/ui/sanitizer/cfi/requires-lto.rs
View File

0
tests/ui/sanitizer/cfi-requires-lto.stderr → tests/ui/sanitizer/cfi/requires-lto.stderr
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0
tests/ui/sanitizer/cfi-self-ref.rs → tests/ui/sanitizer/cfi/self-ref.rs
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0
tests/ui/sanitizer/cfi-sized-associated-ty.rs → tests/ui/sanitizer/cfi/sized-associated-ty.rs
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0
tests/ui/sanitizer/cfi-supertraits.rs → tests/ui/sanitizer/cfi/supertraits.rs
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0
tests/ui/sanitizer/cfi-virtual-auto.rs → tests/ui/sanitizer/cfi/virtual-auto.rs
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0
tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.rs → tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.rs
View File

0
tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.stderr → tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.stderr
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