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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
commit | 631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch) | |
tree | a1b87c8f8cad01cf18f7c5f57a08f102771ed303 /tests/run-make/extern-fn-with-packed-struct | |
parent | Adding debian version 1.69.0+dfsg1-1. (diff) | |
download | rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/run-make/extern-fn-with-packed-struct')
-rw-r--r-- | tests/run-make/extern-fn-with-packed-struct/Makefile | 6 | ||||
-rw-r--r-- | tests/run-make/extern-fn-with-packed-struct/test.c | 26 | ||||
-rw-r--r-- | tests/run-make/extern-fn-with-packed-struct/test.rs | 20 |
3 files changed, 52 insertions, 0 deletions
diff --git a/tests/run-make/extern-fn-with-packed-struct/Makefile b/tests/run-make/extern-fn-with-packed-struct/Makefile new file mode 100644 index 000000000..3cbbf3839 --- /dev/null +++ b/tests/run-make/extern-fn-with-packed-struct/Makefile @@ -0,0 +1,6 @@ +# ignore-cross-compile +include ../tools.mk + +all: $(call NATIVE_STATICLIB,test) + $(RUSTC) test.rs + $(call RUN,test) || exit 1 diff --git a/tests/run-make/extern-fn-with-packed-struct/test.c b/tests/run-make/extern-fn-with-packed-struct/test.c new file mode 100644 index 000000000..c89f8272b --- /dev/null +++ b/tests/run-make/extern-fn-with-packed-struct/test.c @@ -0,0 +1,26 @@ +// Pragma needed cause of gcc bug on windows: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991 + +#include <assert.h> + +#ifdef _MSC_VER +#pragma pack(push,1) +struct Foo { + char a; + short b; + char c; +}; +#else +#pragma pack(1) +struct __attribute__((packed)) Foo { + char a; + short b; + char c; +}; +#endif + +struct Foo foo(struct Foo foo) { + assert(foo.a == 1); + assert(foo.b == 2); + assert(foo.c == 3); + return foo; +} diff --git a/tests/run-make/extern-fn-with-packed-struct/test.rs b/tests/run-make/extern-fn-with-packed-struct/test.rs new file mode 100644 index 000000000..2f261efb5 --- /dev/null +++ b/tests/run-make/extern-fn-with-packed-struct/test.rs @@ -0,0 +1,20 @@ +#[repr(C, packed)] +#[derive(Copy, Clone, Debug, PartialEq)] +struct Foo { + a: i8, + b: i16, + c: i8, +} + +#[link(name = "test", kind = "static")] +extern "C" { + fn foo(f: Foo) -> Foo; +} + +fn main() { + unsafe { + let a = Foo { a: 1, b: 2, c: 3 }; + let b = foo(a); + assert_eq!(a, b); + } +} |