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Implement registering JIT unwind information on Windows.

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This commit implements registering unwind information for JIT functions on
Windows so that the operating system can both walk and unwind stacks containing
JIT frames.

Currently this only works with Cranelift as lightbeam does not emit unwind
information yet.

This commit also resets the stack guard page on Windows for stack overflow
exceptions, allowing reliable stack overflow traps.

With these changes, all previously disabled test suite tests (not including
the multi-value tests) on Windows are now passing.

Fixes #291.
This commit is contained in:
Peter Huene
2019-10-19 13:12:04 -07:00
parent ab80785c05
commit 920728d14d
16 changed files with 382 additions and 131 deletions
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4
wasmtime-environ/src/lib.rs
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@@ -46,8 +46,8 @@ pub use crate::address_map::{
};
pub use crate::cache::{create_new_config as cache_create_new_config, init as cache_init};
pub use crate::compilation::{
Compilation, CompileError, Compiler, Relocation, RelocationTarget, Relocations,
TrapInformation, Traps,
Compilation, CompileError, CompiledFunction, Compiler, Relocation, RelocationTarget,
Relocations, TrapInformation, Traps,
};
pub use crate::cranelift::Cranelift;
pub use crate::func_environ::BuiltinFunctionIndex;