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| 1 | +/*! Tests interrupt ABIs have a constricted signature |
| 2 | +
|
| 3 | +Most interrupt ABIs share a similar restriction in terms of not allowing most signatures. |
| 4 | +Specifically, they generally cannot have arguments or return types. |
| 5 | +So we test that they error in essentially all of the same places. |
| 6 | +A notable and interesting exception is x86. |
| 7 | +
|
| 8 | +This test uses `cfg` because it is not testing whether these ABIs work on the platform. |
| 9 | +*/ |
| 10 | +//@ add-core-stubs |
| 11 | +//@ revisions: x64 i686 riscv32 riscv64 avr msp430 |
| 12 | +// |
| 13 | +//@ [x64] needs-llvm-components: x86 |
| 14 | +//@ [x64] compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib |
| 15 | +//@ [i686] needs-llvm-components: x86 |
| 16 | +//@ [i686] compile-flags: --target=i686-unknown-linux-gnu --crate-type=rlib |
| 17 | +//@ [riscv32] needs-llvm-components: riscv |
| 18 | +//@ [riscv32] compile-flags: --target=riscv32i-unknown-none-elf --crate-type=rlib |
| 19 | +//@ [riscv64] needs-llvm-components: riscv |
| 20 | +//@ [riscv64] compile-flags: --target=riscv64gc-unknown-none-elf --crate-type=rlib |
| 21 | +//@ [avr] needs-llvm-components: avr |
| 22 | +//@ [avr] compile-flags: --target=avr-none -C target-cpu=atmega328p --crate-type=rlib |
| 23 | +//@ [msp430] needs-llvm-components: msp430 |
| 24 | +//@ [msp430] compile-flags: --target=msp430-none-elf --crate-type=rlib |
| 25 | +#![no_core] |
| 26 | +#![feature( |
| 27 | + no_core, |
| 28 | + abi_msp430_interrupt, |
| 29 | + abi_avr_interrupt, |
| 30 | + abi_x86_interrupt, |
| 31 | + abi_riscv_interrupt |
| 32 | +)] |
| 33 | + |
| 34 | +extern crate minicore; |
| 35 | +use minicore::*; |
| 36 | + |
| 37 | +/* most extern "interrupt" definitions should not accept args */ |
| 38 | + |
| 39 | +#[cfg(msp430)] |
| 40 | +extern "msp430-interrupt" fn msp430_arg(_byte: u8) {} |
| 41 | +//[msp430]~^ ERROR invalid signature |
| 42 | + |
| 43 | +#[cfg(avr)] |
| 44 | +extern "avr-interrupt" fn avr_arg(_byte: u8) {} |
| 45 | +//[avr]~^ ERROR invalid signature |
| 46 | + |
| 47 | +#[cfg(any(riscv32,riscv64))] |
| 48 | +extern "riscv-interrupt-m" fn riscv_m_arg(_byte: u8) {} |
| 49 | +//[riscv32,riscv64]~^ ERROR invalid signature |
| 50 | + |
| 51 | +#[cfg(any(riscv32,riscv64))] |
| 52 | +extern "riscv-interrupt-s" fn riscv_s_arg(_byte: u8) {} |
| 53 | +//[riscv32,riscv64]~^ ERROR invalid signature |
| 54 | + |
| 55 | + |
| 56 | +/* all extern "interrupt" definitions should not return non-1ZST values */ |
| 57 | + |
| 58 | +#[cfg(avr)] |
| 59 | +extern "avr-interrupt" fn avr_ret() -> u8 { |
| 60 | + //[avr]~^ ERROR invalid signature |
| 61 | + 1 |
| 62 | +} |
| 63 | + |
| 64 | +#[cfg(msp430)] |
| 65 | +extern "msp430-interrupt" fn msp430_ret() -> u8 { |
| 66 | + //[msp430]~^ ERROR invalid signature |
| 67 | + 1 |
| 68 | +} |
| 69 | + |
| 70 | +#[cfg(any(riscv32,riscv64))] |
| 71 | +extern "riscv-interrupt-m" fn riscv_m_ret() -> u8 { |
| 72 | + //[riscv32,riscv64]~^ ERROR invalid signature |
| 73 | + 1 |
| 74 | +} |
| 75 | + |
| 76 | +#[cfg(any(riscv32,riscv64))] |
| 77 | +extern "riscv-interrupt-s" fn riscv_s_ret() -> u8 { |
| 78 | + //[riscv32,riscv64]~^ ERROR invalid signature |
| 79 | + 1 |
| 80 | +} |
| 81 | + |
| 82 | +#[cfg(any(x64,i686))] |
| 83 | +extern "x86-interrupt" fn x86_ret() -> u8 { |
| 84 | + //[x64,i686]~^ ERROR invalid signature |
| 85 | + 1 |
| 86 | +} |
| 87 | + |
| 88 | + |
| 89 | + |
| 90 | +/* extern "interrupt" fnptrs with invalid signatures */ |
| 91 | + |
| 92 | +#[cfg(avr)] |
| 93 | +fn avr_ptr(_f: extern "avr-interrupt" fn(u8) -> u8) { |
| 94 | +} |
| 95 | + |
| 96 | +#[cfg(msp430)] |
| 97 | +fn msp430_ptr(_f: extern "msp430-interrupt" fn(u8) -> u8) { |
| 98 | +} |
| 99 | + |
| 100 | +#[cfg(any(riscv32,riscv64))] |
| 101 | +fn riscv_m_ptr(_f: extern "riscv-interrupt-m" fn(u8) -> u8) { |
| 102 | +} |
| 103 | + |
| 104 | +#[cfg(any(riscv32,riscv64))] |
| 105 | +fn riscv_s_ptr(_f: extern "riscv-interrupt-s" fn(u8) -> u8) { |
| 106 | +} |
| 107 | + |
| 108 | +#[cfg(any(x64,i686))] |
| 109 | +fn x86_ptr(_f: extern "x86-interrupt" fn() -> u8) { |
| 110 | +} |
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