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Auto merge of rust-lang#127216 - GuillaumeGomez:rollup-iw9f2ed, r=Gui…
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…llaumeGomez

Rollup of 8 pull requests

Successful merges:

 - rust-lang#126732 (Stabilize `PanicInfo::message()` and `PanicMessage`)
 - rust-lang#126753 (Add nightly style guide section for `precise_capturing` `use<>` syntax)
 - rust-lang#126832 (linker: Refactor interface for passing arguments to linker)
 - rust-lang#126880 (Migrate `volatile-intrinsics`, `weird-output-filenames`, `wasm-override-linker`, `wasm-exceptions-nostd` to `rmake`)
 - rust-lang#127128 (Stabilize `duration_abs_diff`)
 - rust-lang#127129 (Use full expr span for return suggestion on type error/ambiguity)
 - rust-lang#127188 ( improve the way bootstrap handles rustlib components)
 - rust-lang#127201 (Improve run-make-support API)

r? `@ghost`
`@rustbot` modify labels: rollup
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bors committed Jul 1, 2024
2 parents 221e274 + a509b5a commit cf2df68
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Showing 34 changed files with 528 additions and 521 deletions.
75 changes: 40 additions & 35 deletions compiler/rustc_codegen_ssa/src/back/link.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ use tempfile::Builder as TempFileBuilder;

use itertools::Itertools;
use std::collections::BTreeSet;
use std::ffi::{OsStr, OsString};
use std::ffi::OsString;
use std::fs::{read, File, OpenOptions};
use std::io::{BufWriter, Write};
use std::ops::Deref;
Expand Down Expand Up @@ -1306,12 +1306,12 @@ fn link_sanitizer_runtime(
let filename = format!("rustc{channel}_rt.{name}");
let path = find_sanitizer_runtime(sess, &filename);
let rpath = path.to_str().expect("non-utf8 component in path");
linker.args(&["-Wl,-rpath", "-Xlinker", rpath]);
linker.cc_args(&["-Wl,-rpath", "-Xlinker", rpath]);
linker.link_dylib_by_name(&filename, false, true);
} else if sess.target.is_like_msvc && flavor == LinkerFlavor::Msvc(Lld::No) && name == "asan" {
// MSVC provides the `/INFERASANLIBS` argument to automatically find the
// compatible ASAN library.
linker.arg("/INFERASANLIBS");
linker.link_arg("/INFERASANLIBS");
} else {
let filename = format!("librustc{channel}_rt.{name}.a");
let path = find_sanitizer_runtime(sess, &filename).join(&filename);
Expand Down Expand Up @@ -1888,9 +1888,9 @@ fn add_post_link_objects(
/// FIXME: Determine where exactly these args need to be inserted.
fn add_pre_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) {
if let Some(args) = sess.target.pre_link_args.get(&flavor) {
cmd.args(args.iter().map(Deref::deref));
cmd.verbatim_args(args.iter().map(Deref::deref));
}
cmd.args(&sess.opts.unstable_opts.pre_link_args);
cmd.verbatim_args(&sess.opts.unstable_opts.pre_link_args);
}

/// Add a link script embedded in the target, if applicable.
Expand All @@ -1908,8 +1908,7 @@ fn add_link_script(cmd: &mut dyn Linker, sess: &Session, tmpdir: &Path, crate_ty
sess.dcx().emit_fatal(errors::LinkScriptWriteFailure { path, error });
}

cmd.arg("--script");
cmd.arg(path);
cmd.link_arg("--script").link_arg(path);
}
_ => {}
}
Expand All @@ -1918,7 +1917,7 @@ fn add_link_script(cmd: &mut dyn Linker, sess: &Session, tmpdir: &Path, crate_ty
/// Add arbitrary "user defined" args defined from command line.
/// FIXME: Determine where exactly these args need to be inserted.
fn add_user_defined_link_args(cmd: &mut dyn Linker, sess: &Session) {
cmd.args(&sess.opts.cg.link_args);
cmd.verbatim_args(&sess.opts.cg.link_args);
}

/// Add arbitrary "late link" args defined by the target spec.
Expand All @@ -1936,23 +1935,23 @@ fn add_late_link_args(
});
if any_dynamic_crate {
if let Some(args) = sess.target.late_link_args_dynamic.get(&flavor) {
cmd.args(args.iter().map(Deref::deref));
cmd.verbatim_args(args.iter().map(Deref::deref));
}
} else {
if let Some(args) = sess.target.late_link_args_static.get(&flavor) {
cmd.args(args.iter().map(Deref::deref));
cmd.verbatim_args(args.iter().map(Deref::deref));
}
}
if let Some(args) = sess.target.late_link_args.get(&flavor) {
cmd.args(args.iter().map(Deref::deref));
cmd.verbatim_args(args.iter().map(Deref::deref));
}
}

/// Add arbitrary "post-link" args defined by the target spec.
/// FIXME: Determine where exactly these args need to be inserted.
fn add_post_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) {
if let Some(args) = sess.target.post_link_args.get(&flavor) {
cmd.args(args.iter().map(Deref::deref));
cmd.verbatim_args(args.iter().map(Deref::deref));
}
}

Expand Down Expand Up @@ -2097,6 +2096,10 @@ fn add_rpath_args(
codegen_results: &CodegenResults,
out_filename: &Path,
) {
if !sess.target.has_rpath {
return;
}

// FIXME (#2397): At some point we want to rpath our guesses as to
// where extern libraries might live, based on the
// add_lib_search_paths
Expand All @@ -2115,11 +2118,10 @@ fn add_rpath_args(
let rpath_config = RPathConfig {
libs: &*libs,
out_filename: out_filename.to_path_buf(),
has_rpath: sess.target.has_rpath,
is_like_osx: sess.target.is_like_osx,
linker_is_gnu: sess.target.linker_flavor.is_gnu(),
};
cmd.args(&rpath::get_rpath_flags(&rpath_config));
cmd.cc_args(&rpath::get_rpath_flags(&rpath_config));
}
}

Expand Down Expand Up @@ -2378,7 +2380,7 @@ fn add_order_independent_options(
} else {
""
};
cmd.arg(format!("--dynamic-linker={prefix}ld.so.1"));
cmd.link_arg(format!("--dynamic-linker={prefix}ld.so.1"));
}

if sess.target.eh_frame_header {
Expand All @@ -2393,31 +2395,29 @@ fn add_order_independent_options(
}

if sess.target.os == "emscripten" {
cmd.arg("-s");
cmd.arg(if sess.panic_strategy() == PanicStrategy::Abort {
cmd.cc_arg("-s").cc_arg(if sess.panic_strategy() == PanicStrategy::Abort {
"DISABLE_EXCEPTION_CATCHING=1"
} else {
"DISABLE_EXCEPTION_CATCHING=0"
});
}

if flavor == LinkerFlavor::Llbc {
cmd.arg("--target");
cmd.arg(sess.target.llvm_target.as_ref());
cmd.arg("--target-cpu");
cmd.arg(&codegen_results.crate_info.target_cpu);
cmd.link_args(&[
"--target",
sess.target.llvm_target.as_ref(),
"--target-cpu",
&codegen_results.crate_info.target_cpu,
]);
} else if flavor == LinkerFlavor::Ptx {
cmd.arg("--fallback-arch");
cmd.arg(&codegen_results.crate_info.target_cpu);
cmd.link_args(&["--fallback-arch", &codegen_results.crate_info.target_cpu]);
} else if flavor == LinkerFlavor::Bpf {
cmd.arg("--cpu");
cmd.arg(&codegen_results.crate_info.target_cpu);
cmd.link_args(&["--cpu", &codegen_results.crate_info.target_cpu]);
if let Some(feat) = [sess.opts.cg.target_feature.as_str(), &sess.target.options.features]
.into_iter()
.find(|feat| !feat.is_empty())
{
cmd.arg("--cpu-features");
cmd.arg(feat);
cmd.link_args(&["--cpu-features", feat]);
}
}

Expand Down Expand Up @@ -2618,7 +2618,11 @@ fn add_native_libs_from_crate(
NativeLibKind::WasmImportModule => {}
NativeLibKind::LinkArg => {
if link_static {
cmd.linker_arg(OsStr::new(name), verbatim);
if verbatim {
cmd.verbatim_arg(name);
} else {
cmd.link_arg(name);
}
}
}
}
Expand Down Expand Up @@ -3012,10 +3016,10 @@ fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) {
// This is admittedly a bit strange, as on most targets
// `-isysroot` only applies to include header files, but on Apple
// targets this also applies to libraries and frameworks.
cmd.args(&["-isysroot", &sdk_root]);
cmd.cc_args(&["-isysroot", &sdk_root]);
}
LinkerFlavor::Darwin(Cc::No, _) => {
cmd.args(&["-syslibroot", &sdk_root]);
cmd.link_args(&["-syslibroot", &sdk_root]);
}
_ => unreachable!(),
}
Expand All @@ -3026,8 +3030,9 @@ fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) {
// search path.

// The flags are called `-L` and `-F` both in Clang, ld64 and ldd.
cmd.arg(format!("-L{sdk_root}/System/iOSSupport/usr/lib"));
cmd.arg(format!("-F{sdk_root}/System/iOSSupport/System/Library/Frameworks"));
let sdk_root = Path::new(&sdk_root);
cmd.include_path(&sdk_root.join("System/iOSSupport/usr/lib"));
cmd.framework_path(&sdk_root.join("System/iOSSupport/System/Library/Frameworks"));
}
}

Expand Down Expand Up @@ -3142,7 +3147,7 @@ fn add_lld_args(
for path in sess.get_tools_search_paths(false) {
let linker_path = path.join("gcc-ld");
linker_path_exists |= linker_path.exists();
cmd.arg({
cmd.cc_arg({
let mut arg = OsString::from("-B");
arg.push(linker_path);
arg
Expand All @@ -3162,7 +3167,7 @@ fn add_lld_args(
// is to use LLD but the `wasm32-wasip2` target relies on a wrapper around
// this, `wasm-component-ld`, which is overridden if this option is passed.
if !sess.target.is_like_wasm {
cmd.arg("-fuse-ld=lld");
cmd.cc_arg("-fuse-ld=lld");
}

if !flavor.is_gnu() {
Expand All @@ -3186,7 +3191,7 @@ fn add_lld_args(
// targeting a different linker flavor on macOS, and that's also always
// the case when targeting WASM.
if sess.target.linker_flavor != sess.host.linker_flavor {
cmd.arg(format!("--target={}", sess.target.llvm_target));
cmd.cc_arg(format!("--target={}", sess.target.llvm_target));
}
}
}
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