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Diffstat (limited to 'tests/assembly-llvm/static-relocation-model.rs')
| -rw-r--r-- | tests/assembly-llvm/static-relocation-model.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/assembly-llvm/static-relocation-model.rs b/tests/assembly-llvm/static-relocation-model.rs new file mode 100644 index 00000000000..35ad94133b2 --- /dev/null +++ b/tests/assembly-llvm/static-relocation-model.rs @@ -0,0 +1,69 @@ +//@ add-core-stubs +//@ revisions: x64 A64 ppc64le +//@ assembly-output: emit-asm +//@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=static +//@ [x64] needs-llvm-components: x86 +//@ [A64] compile-flags: --target aarch64-unknown-linux-gnu -Crelocation-model=static +//@ [A64] needs-llvm-components: aarch64 +//@ [ppc64le] compile-flags: --target powerpc64le-unknown-linux-gnu -Crelocation-model=static +//@ [ppc64le] needs-llvm-components: powerpc + +#![feature(no_core, lang_items)] +#![no_core] +#![crate_type = "rlib"] + +extern crate minicore; +use minicore::*; + +#[no_mangle] +pub static PIERIS: u8 = 42; + +extern "C" { + static EXOCHORDA: *mut u8; + + fn chaenomeles(); +} + +// CHECK-LABEL: banana: +// LLVM may produce either kind of `mov` here, depending on version and optimization level. +// x64: {{movb|movzbl}} chaenomeles{{(\(%[a-z0-9]+\))?}}, %{{[a-z0-9]+}} +// A64: adrp [[REG:[a-z0-9]+]], chaenomeles +// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG]], :lo12:chaenomeles] +#[no_mangle] +pub fn banana() -> u8 { + unsafe { *(chaenomeles as *mut u8) } +} + +// CHECK-LABEL: peach: +// x64: {{movb|movzbl}} banana{{(\(%[a-z0-9]+\))?}}, %{{[a-z0-9]+}} +// A64: adrp [[REG2:[a-z0-9]+]], banana +// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:banana] +#[no_mangle] +pub fn peach() -> u8 { + unsafe { *(banana as *mut u8) } +} + +// CHECK-LABEL: mango: +// x64: movq EXOCHORDA{{(\(%[a-z0-9]+\))?}}, %[[REG:[a-z0-9]+]] +// x64-NEXT: {{movb|movzbl}} (%[[REG]]), %{{[a-z0-9]+}} +// A64: adrp [[REG2:[a-z0-9]+]], EXOCHORDA +// A64-NEXT: ldr {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:EXOCHORDA] +#[no_mangle] +pub fn mango() -> u8 { + unsafe { *EXOCHORDA } +} + +// CHECK-LABEL: orange: +// x64: mov{{l|absq}} $PIERIS, %{{[a-z0-9]+}} +// A64: adrp [[REG2:[a-z0-9]+]], PIERIS +// A64-NEXT: add {{[a-z0-9]+}}, [[REG2]], :lo12:PIERIS +#[no_mangle] +pub fn orange() -> &'static u8 { + &PIERIS +} + +// For ppc64 we need to make sure to generate TOC entries even with the static relocation model +// ppc64le: .tc chaenomeles[TC],chaenomeles +// ppc64le: .tc banana[TC],banana +// ppc64le: .tc EXOCHORDA[TC],EXOCHORDA +// ppc64le: .tc PIERIS[TC],PIERIS |
