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42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
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// Package experimental includes features we aren't yet sure about. These are enabled with context.Context keys.
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//
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// Note: All features here may be changed or deleted at any time, so use with caution!
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package experimental
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import (
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"github.com/tetratelabs/wazero/api"
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)
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// InternalModule is an api.Module that exposes additional
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// information.
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type InternalModule interface {
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api.Module
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// NumGlobal returns the count of all globals in the module.
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NumGlobal() int
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// Global provides a read-only view for a given global index.
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//
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// The methods panics if i is out of bounds.
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Global(i int) api.Global
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}
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// ProgramCounter is an opaque value representing a specific execution point in
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// a module. It is meant to be used with Function.SourceOffsetForPC and
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// StackIterator.
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type ProgramCounter uint64
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// InternalFunction exposes some information about a function instance.
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type InternalFunction interface {
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// Definition provides introspection into the function's names and
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// signature.
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Definition() api.FunctionDefinition
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// SourceOffsetForPC resolves a program counter into its corresponding
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// offset in the Code section of the module this function belongs to.
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// The source offset is meant to help map the function calls to their
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// location in the original source files. Returns 0 if the offset cannot
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// be calculated.
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SourceOffsetForPC(pc ProgramCounter) uint64
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}
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