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| author | Valentin <[email protected]> | 2018-06-15 18:57:24 +0200 |
|---|---|---|
| committer | FenrirWolf <[email protected]> | 2018-06-15 10:57:24 -0600 |
| commit | f2a90174bb36b9ad528e863ab34c02ebce002b02 (patch) | |
| tree | 959e8d67883d3a89e179b3549b1f30d28e51a87c /ctr-std/src/sys/windows/stack_overflow.rs | |
| parent | Merge pull request #68 from linouxis9/master (diff) | |
| download | ctru-rs-f2a90174bb36b9ad528e863ab34c02ebce002b02.tar.xz ctru-rs-f2a90174bb36b9ad528e863ab34c02ebce002b02.zip | |
Update for latest nightly 2018-06-09 (#70)
* Update for latest nightly 2018-06-09
* We now have a proper horizon os and sys modules in libstd
Diffstat (limited to 'ctr-std/src/sys/windows/stack_overflow.rs')
| -rw-r--r-- | ctr-std/src/sys/windows/stack_overflow.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ctr-std/src/sys/windows/stack_overflow.rs b/ctr-std/src/sys/windows/stack_overflow.rs new file mode 100644 index 0000000..4a406d7 --- /dev/null +++ b/ctr-std/src/sys/windows/stack_overflow.rs @@ -0,0 +1,52 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![cfg_attr(test, allow(dead_code))] + +use sys_common::util::report_overflow; +use sys::c; + +pub struct Handler; + +impl Handler { + pub unsafe fn new() -> Handler { + // This API isn't available on XP, so don't panic in that case and just + // pray it works out ok. + if c::SetThreadStackGuarantee(&mut 0x5000) == 0 { + if c::GetLastError() as u32 != c::ERROR_CALL_NOT_IMPLEMENTED as u32 { + panic!("failed to reserve stack space for exception handling"); + } + } + Handler + } +} + +extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS) + -> c::LONG { + unsafe { + let rec = &(*(*ExceptionInfo).ExceptionRecord); + let code = rec.ExceptionCode; + + if code == c::EXCEPTION_STACK_OVERFLOW { + report_overflow(); + } + c::EXCEPTION_CONTINUE_SEARCH + } +} + +pub unsafe fn init() { + if c::AddVectoredExceptionHandler(0, vectored_handler).is_null() { + panic!("failed to install exception handler"); + } + // Set the thread stack guarantee for the main thread. + let _h = Handler::new(); +} + +pub unsafe fn cleanup() {} |