debug

package
v0.34.0 Latest Latest
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Published: Jan 6, 2022 License: BSD-3-Clause Imports: 2 Imported by: 2

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Overview

Package debug contains DebugObjectMapper implementations.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type InsnMap

type InsnMap struct {
	TrapMap
	Insns []InsnMapping
}

InsnMap is an object map which stores all available function, call, trap and instruction information. The Mapper method must be used to obtain an actual ObjectMapper implementation.

func (*InsnMap) FindCall added in v0.32.0

func (m *InsnMap) FindCall(retAddr uint32) (init bool, funcIndex, callIndex int, stackOffset int32, retOffset uint32)

func (*InsnMap) PutDataBlock added in v0.34.0

func (m *InsnMap) PutDataBlock(objectOffset uint32, length int32)

func (*InsnMap) PutInsnAddr

func (m *InsnMap) PutInsnAddr(objectOffset, sourceOffset uint32)

type InsnMapping

type InsnMapping struct {
	ObjectOffset uint32 // Machine code offset in bytes.
	SourceOffset uint32 // WebAssembly code offset in bytes.
	BlockLen     int32  // Length of data block (when SourceOffset is 0).
}

Instruction mapping from machine code to WebAssembly. SourceOffset is zero if ObjectOffset contains non-executable data interleaved with the code.

type TrapMap added in v0.32.0

type TrapMap struct {
	object.CallMap                   // Function calls and recoverable (portable) traps.
	TrapSites      []object.CallSite // Unrecoverable (or nonportable) traps.
}

TrapMap implements compile.DebugObjectMapper. It stores function addresses, and all call and trap sites. Instruction information is not stored.

func (*TrapMap) FindCall added in v0.32.0

func (m *TrapMap) FindCall(retAddr uint32) (init bool, funcIndex, callIndex int, stackOffset int32, retOffset uint32)

func (TrapMap) PutDataBlock added in v0.32.0

func (TrapMap) PutDataBlock(uint32, int32)

func (TrapMap) PutInsnAddr added in v0.32.0

func (TrapMap) PutInsnAddr(uint32, uint32)

func (*TrapMap) PutTrapSite added in v0.32.0

func (m *TrapMap) PutTrapSite(retAddr uint32, stackOffset int32)

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