59 lines
1.1 KiB
Rust
59 lines
1.1 KiB
Rust
// Test that the compiler will catch passing invalid values to inline assembly
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// operands.
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// ignore-emscripten
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#![feature(asm)]
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#[repr(C)]
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struct MyPtr(usize);
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fn main() {
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issue_37433();
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issue_37437();
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issue_40187();
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issue_54067();
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multiple_errors();
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}
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fn issue_37433() {
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unsafe {
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asm!("" :: "r"("")); //~ ERROR E0669
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}
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unsafe {
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let target = MyPtr(0);
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asm!("ret" : : "{rdi}"(target)); //~ ERROR E0669
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}
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}
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fn issue_37437() {
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let hello: &str = "hello";
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// this should fail...
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unsafe { asm!("" :: "i"(hello)) }; //~ ERROR E0669
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// but this should succeed.
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unsafe { asm!("" :: "r"(hello.as_ptr())) };
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}
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fn issue_40187() {
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let arr: [u8; 1] = [0; 1];
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unsafe {
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asm!("movups $1, %xmm0"::"m"(arr)); //~ ERROR E0669
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}
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}
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fn issue_54067() {
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let addr: Option<u32> = Some(123);
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unsafe {
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asm!("mov sp, $0"::"r"(addr)); //~ ERROR E0669
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}
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}
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fn multiple_errors() {
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let addr: (u32, u32) = (1, 2);
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unsafe {
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asm!("mov sp, $0"::"r"(addr), //~ ERROR E0669
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"r"("hello e0669")); //~ ERROR E0669
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}
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}
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