diff options
| -rw-r--r-- | src/bootstrap/builder.rs | 3 | ||||
| -rw-r--r-- | src/bootstrap/compile.rs | 3 | ||||
| -rw-r--r-- | src/bootstrap/native.rs | 66 | ||||
| -rw-r--r-- | src/ci/docker/host-x86_64/dist-various-1/Dockerfile | 6 | ||||
| -rw-r--r-- | src/test/run-make-fulldeps/issue-47551/Makefile | 9 | ||||
| -rw-r--r-- | src/test/run-make-fulldeps/issue-47551/eh_frame-terminator.rs | 23 |
6 files changed, 107 insertions, 3 deletions
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index f39e89a9d01..f3049a74757 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -369,7 +369,8 @@ impl<'a> Builder<'a> { tool::Rustfmt, tool::Miri, tool::CargoMiri, - native::Lld + native::Lld, + native::CrtBeginEnd ), Kind::Check | Kind::Clippy { .. } | Kind::Fix | Kind::Format => describe!( check::Std, diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 2676b3bf8e0..e5258d08956 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -199,8 +199,9 @@ fn copy_self_contained_objects( DependencyType::TargetSelfContained, ); } + let crt_path = builder.ensure(native::CrtBeginEnd { target }); for &obj in &["crtbegin.o", "crtbeginS.o", "crtend.o", "crtendS.o"] { - let src = compiler_file(builder, builder.cc(target), target, obj); + let src = crt_path.join(obj); let target = libdir_self_contained.join(obj); builder.copy(&src, &target); target_deps.push((target, DependencyType::TargetSelfContained)); diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 3f4715e78a9..4f33a13c253 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -858,3 +858,69 @@ impl HashStamp { fs::write(&self.path, self.hash.as_deref().unwrap_or(b"")) } } + +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +pub struct CrtBeginEnd { + pub target: TargetSelection, +} + +impl Step for CrtBeginEnd { + type Output = PathBuf; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("src/llvm-project/compiler-rt/lib/crt") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(CrtBeginEnd { target: run.target }); + } + + /// Build crtbegin.o/crtend.o for musl target. + fn run(self, builder: &Builder<'_>) -> Self::Output { + let out_dir = builder.native_dir(self.target).join("crt"); + + if builder.config.dry_run { + return out_dir; + } + + let crtbegin_src = builder.src.join("src/llvm-project/compiler-rt/lib/crt/crtbegin.c"); + let crtend_src = builder.src.join("src/llvm-project/compiler-rt/lib/crt/crtend.c"); + if up_to_date(&crtbegin_src, &out_dir.join("crtbegin.o")) + && up_to_date(&crtend_src, &out_dir.join("crtendS.o")) + { + return out_dir; + } + + builder.info("Building crtbegin.o and crtend.o"); + t!(fs::create_dir_all(&out_dir)); + + let mut cfg = cc::Build::new(); + + if let Some(ar) = builder.ar(self.target) { + cfg.archiver(ar); + } + cfg.compiler(builder.cc(self.target)); + cfg.cargo_metadata(false) + .out_dir(&out_dir) + .target(&self.target.triple) + .host(&builder.config.build.triple) + .warnings(false) + .debug(false) + .opt_level(3) + .file(crtbegin_src) + .file(crtend_src); + + // Those flags are defined in src/llvm-project/compiler-rt/lib/crt/CMakeLists.txt + // Currently only consumer of those objects is musl, which use .init_array/.fini_array + // instead of .ctors/.dtors + cfg.flag("-std=c11") + .define("CRT_HAS_INITFINI_ARRAY", None) + .define("EH_USE_FRAME_REGISTRY", None); + + cfg.compile("crt"); + + t!(fs::copy(out_dir.join("crtbegin.o"), out_dir.join("crtbeginS.o"))); + t!(fs::copy(out_dir.join("crtend.o"), out_dir.join("crtendS.o"))); + out_dir + } +} diff --git a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile index 1f8f9fc518a..cd0f01faa1b 100644 --- a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile @@ -144,7 +144,11 @@ ENV TARGETS=$TARGETS,armv7a-none-eabi # riscv targets currently do not need a C compiler, as compiler_builtins # doesn't currently have it enabled, and the riscv gcc compiler is not # installed. -ENV CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-gcc \ +ENV CFLAGS_armv5te_unknown_linux_musleabi="-march=armv5te -marm -mfloat-abi=soft" \ + CFLAGS_arm_unknown_linux_musleabi="-march=armv6 -marm" \ + CFLAGS_arm_unknown_linux_musleabihf="-march=armv6 -marm -mfpu=vfp" \ + CFLAGS_armv7_unknown_linux_musleabihf="-march=armv7-a" \ + CC_mipsel_unknown_linux_musl=mipsel-openwrt-linux-gcc \ CC_mips_unknown_linux_musl=mips-openwrt-linux-gcc \ CC_mips64el_unknown_linux_muslabi64=mips64el-linux-gnuabi64-gcc \ CC_mips64_unknown_linux_muslabi64=mips64-linux-gnuabi64-gcc \ diff --git a/src/test/run-make-fulldeps/issue-47551/Makefile b/src/test/run-make-fulldeps/issue-47551/Makefile new file mode 100644 index 00000000000..f4495e6b671 --- /dev/null +++ b/src/test/run-make-fulldeps/issue-47551/Makefile @@ -0,0 +1,9 @@ +# only-linux +# ignore-32bit + +-include ../tools.mk + +all: + $(RUSTC) eh_frame-terminator.rs + $(call RUN,eh_frame-terminator) | $(CGREP) '1122334455667788' + objdump --dwarf=frames $(TMPDIR)/eh_frame-terminator | $(CGREP) 'ZERO terminator' diff --git a/src/test/run-make-fulldeps/issue-47551/eh_frame-terminator.rs b/src/test/run-make-fulldeps/issue-47551/eh_frame-terminator.rs new file mode 100644 index 00000000000..2f740dc4fac --- /dev/null +++ b/src/test/run-make-fulldeps/issue-47551/eh_frame-terminator.rs @@ -0,0 +1,23 @@ +// run-pass + +#![feature(backtrace)] +#[derive(Clone, Copy)] +struct Foo { + array: [u64; 10240], +} + +impl Foo { + const fn new() -> Self { + Self { + array: [0x1122_3344_5566_7788; 10240] + } + } +} + +static BAR: [Foo; 10240] = [Foo::new(); 10240]; + +fn main() { + let bt = std::backtrace::Backtrace::force_capture(); + println!("Hello, world! {:?}", bt); + println!("{:x}", BAR[0].array[0]); +} |