diff --git a/tests/run-make-fulldeps/no-alloc-shim/Makefile b/tests/run-make-fulldeps/no-alloc-shim/Makefile new file mode 100644 index 000000000000..03679fb604e6 --- /dev/null +++ b/tests/run-make-fulldeps/no-alloc-shim/Makefile @@ -0,0 +1,21 @@ +include ../tools.mk + +TARGET_LIBDIR = $$($(RUSTC) --print target-libdir) + +all: + $(RUSTC) foo.rs --crate-type bin --emit obj -Cpanic=abort +ifdef IS_MSVC + $(CC) $(CFLAGS) $(TMPDIR)/foo.o $(TARGET_LIBDIR)/liballoc-*.rlib $(TARGET_LIBDIR)/libcore-*.rlib $(TARGET_LIBDIR)/libcompiler_builtins-*.rlib $(call OUT_EXE,foo) + $(call OUT_EXE,foo) +else + $(CC) $(CFLAGS) $(TMPDIR)/foo.o $(TARGET_LIBDIR)/liballoc-*.rlib $(TARGET_LIBDIR)/libcore-*.rlib $(TARGET_LIBDIR)/libcompiler_builtins-*.rlib -o $(call RUN_BINFILE,foo) + $(call RUN_BINFILE,foo) +endif + + # Check that linking without __rust_no_alloc_shim_is_unstable defined fails + $(RUSTC) foo.rs --crate-type bin --emit obj -Cpanic=abort --cfg check_feature_gate +ifdef IS_MSVC + $(CC) $(CFLAGS) $(TMPDIR)/foo.o $(TARGET_LIBDIR)/liballoc-*.rlib $(TARGET_LIBDIR)/libcore-*.rlib $(TARGET_LIBDIR)/libcompiler_builtins-*.rlib $(call OUT_EXE,foo) || exit 0 && exit 1 +else + $(CC) $(CFLAGS) $(TMPDIR)/foo.o $(TARGET_LIBDIR)/liballoc-*.rlib $(TARGET_LIBDIR)/libcore-*.rlib $(TARGET_LIBDIR)/libcompiler_builtins-*.rlib -o $(call RUN_BINFILE,foo) || exit 0 && exit 1 +endif diff --git a/tests/run-make-fulldeps/no-alloc-shim/foo.rs b/tests/run-make-fulldeps/no-alloc-shim/foo.rs new file mode 100644 index 000000000000..a3daec3db391 --- /dev/null +++ b/tests/run-make-fulldeps/no-alloc-shim/foo.rs @@ -0,0 +1,44 @@ +#![feature(default_alloc_error_handler)] +#![no_std] +#![no_main] + +extern crate alloc; + +use alloc::alloc::{GlobalAlloc, Layout}; + +#[panic_handler] +fn panic_handler(_: &core::panic::PanicInfo) -> ! { + loop {} +} + +#[no_mangle] +extern "C" fn rust_eh_personality() { + loop {} +} + +#[global_allocator] +static ALLOC: Alloc = Alloc; + +struct Alloc; + +unsafe impl GlobalAlloc for Alloc { + unsafe fn alloc(&self, _: Layout) -> *mut u8 { + core::ptr::null_mut() + } + unsafe fn dealloc(&self, _: *mut u8, _: Layout) { + todo!() + } +} + +#[cfg(not(check_feature_gate))] +#[no_mangle] +static __rust_no_alloc_shim_is_unstable: u8 = 0; + +#[no_mangle] +extern "C" fn main(_argc: usize, _argv: *const *const i8) -> i32 { + unsafe { + assert_eq!(alloc::alloc::alloc(Layout::new::<()>()), core::ptr::null_mut()); + } + + 0 +}