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Refactor UnwindInfo codes and frame_register (#2307)

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* Refactor UnwindInfo codes and frame_register

* use isa word_size

* fix filetests

* Add comment about UnwindCode::PushRegister
This commit is contained in:
Yury Delendik
2020-10-22 14:52:42 -05:00
committed by GitHub
parent 4f104d3a4e
commit b10e027fef
8 changed files with 219 additions and 128 deletions
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3
cranelift/codegen/src/isa/x86/abi.rs
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@@ -1083,8 +1083,7 @@ pub fn create_unwind_info(
// In the future, we should be omitting frame pointer as an optimization, so this will change
Ok(match func.signature.call_conv {
CallConv::Fast | CallConv::Cold | CallConv::SystemV => {
super::unwind::systemv::create_unwind_info(func, isa, Some(RU::rbp.into()))?
.map(|u| UnwindInfo::SystemV(u))
super::unwind::systemv::create_unwind_info(func, isa)?.map(|u| UnwindInfo::SystemV(u))
}
CallConv::WindowsFastcall => {
super::unwind::winx64::create_unwind_info(func, isa)?.map(|u| UnwindInfo::WindowsX64(u))