33 lines
965 B
Rust
33 lines
965 B
Rust
//! Records every `TrapCode` that cranelift outputs during code generation,
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//! for every function in the module. This data may be useful at runtime.
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use cranelift_codegen::{binemit, ir};
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/// Record of the arguments cranelift passes to `TrapSink::trap`
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#[derive(Clone)]
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pub struct ObjectTrapSite {
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/// Offset into function
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pub offset: binemit::CodeOffset,
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/// Source location given to cranelift
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pub srcloc: ir::SourceLoc,
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/// Trap code, as determined by cranelift
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pub code: ir::TrapCode,
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}
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/// Record of the trap sites for a given function
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#[derive(Default, Clone)]
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pub struct ObjectTrapSink {
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/// All trap sites collected in function
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pub sites: Vec<ObjectTrapSite>,
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}
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impl binemit::TrapSink for ObjectTrapSink {
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fn trap(&mut self, offset: binemit::CodeOffset, srcloc: ir::SourceLoc, code: ir::TrapCode) {
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self.sites.push(ObjectTrapSite {
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offset,
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srcloc,
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code,
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});
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}
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}
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