diff --git a/src/test/run-make/no-stack-check/Makefile b/src/test/run-make/no-stack-check/Makefile new file mode 100644 index 0000000000000..63f057d35c420 --- /dev/null +++ b/src/test/run-make/no-stack-check/Makefile @@ -0,0 +1,9 @@ +-include ../tools.mk + +all: + $(RUSTC) -O --emit asm attr.rs + ! grep -q morestack $(TMPDIR)/attr.s + $(RUSTC) -O --emit asm flag.rs + grep -q morestack $(TMPDIR)/flag.s + $(RUSTC) -O --emit asm -C no-stack-check flag.rs + ! grep -q morestack $(TMPDIR)/flag.s diff --git a/src/test/run-make/no-stack-check/attr.rs b/src/test/run-make/no-stack-check/attr.rs new file mode 100644 index 0000000000000..ef2db932b418d --- /dev/null +++ b/src/test/run-make/no-stack-check/attr.rs @@ -0,0 +1,25 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![crate_type="lib"] + +extern { + // Prevents optimizing away the stack buffer. + // This symbol is undefined, but the code doesn't need to pass + // the linker. + fn black_box(ptr: *const u8); +} + +#[no_stack_check] +pub unsafe fn foo() { + // Make sure we use the stack + let x: [u8, ..50] = [0, ..50]; + black_box(x.as_ptr()); +} diff --git a/src/test/run-make/no-stack-check/flag.rs b/src/test/run-make/no-stack-check/flag.rs new file mode 100644 index 0000000000000..ee0364001e19a --- /dev/null +++ b/src/test/run-make/no-stack-check/flag.rs @@ -0,0 +1,24 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![crate_type="lib"] + +extern { + // Prevents optimizing away the stack buffer. + // This symbol is undefined, but the code doesn't need to pass + // the linker. + fn black_box(ptr: *const u8); +} + +pub unsafe fn foo() { + // Make sure we use the stack + let x: [u8, ..50] = [0, ..50]; + black_box(x.as_ptr()); +}