# teh-cmc/go-internals

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7,934 stars · 354 forks · Go · NOASSERTION

## Links

- GitHub: https://github.com/teh-cmc/go-internals
- awesome-repositories: https://awesome-repositories.com/repository/teh-cmc-go-internals.md

## Topics

`book` `go` `golang` `internals`

## Description

This project is a technical reference and study of the Go language internals, providing a deep dive into the runtime architecture, compiler internals, and memory management mechanisms. It serves as a guide for analyzing how the Go compiler and runtime implement low-level features.

The materials specifically detail the implementation of polymorphism through virtual tables and dynamic dispatch. It covers the translation of high-level source code into portable pseudo-assembly and machine-specific instructions, alongside the structural mechanics of the interface system, including scalar type boxing and interface composition.

The scope extends to runtime execution and memory management, covering method invocation, type assertion verification, and goroutine stack management. It also examines garbage collection strategies and memory efficiency techniques such as zero-value pointer optimization.

## Tags

### Education & Learning Resources

- [Compiler and Runtime Studies](https://awesome-repositories.com/f/education-learning-resources/compiler-and-runtime-studies.md) — Serves as a technical reference for learning how the Go compiler and runtime implement low-level features.
- [Language Internals Study Guides](https://awesome-repositories.com/f/education-learning-resources/language-internals-study-guides.md) — Provides a deep dive into the Go runtime, compiler internals, and memory management mechanisms.
- [Compiler Assembly Output Analysis](https://awesome-repositories.com/f/education-learning-resources/language-learning-resources/assembly/compiler-assembly-output-analysis.md) — Describes how the toolchain analyzes assembly to explain the translation of high-level code into machine instructions. ([source](https://github.com/teh-cmc/go-internals/blob/master/README.md))

### Programming Languages & Runtimes

- [Interface Implementation Internals](https://awesome-repositories.com/f/programming-languages-runtimes/interface-implementation-internals.md) — Serves as a comprehensive guide to the internal mechanics of Go's polymorphism and virtual tables.
- [Stack Frame Coordination](https://awesome-repositories.com/f/programming-languages-runtimes/c-based-embedding-apis/go-c-bridges/go-to-wasm-bridges/go-to-wasm-function-calls/stack-frame-coordination.md) — Coordinates function calls by managing argument passing via the stack and frame pointers. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter1_assembly_primer/README.md))
- [Receiver-Based Dispatch](https://awesome-repositories.com/f/programming-languages-runtimes/direct-method-call-generation/receiver-based-dispatch.md) — Implements method calls by passing the receiver as the leading argument to match function conventions. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Dynamic Method Invocation](https://awesome-repositories.com/f/programming-languages-runtimes/dynamic-method-invocation.md) — Resolves interface method calls by looking up function pointers in virtual tables for indirect execution. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))
- [Calling Conventions](https://awesome-repositories.com/f/programming-languages-runtimes/function-argument-passing/calling-conventions.md) — Implements stack-based argument passing and frame pointer management for execution and debugging.
- [Function Execution Mechanisms](https://awesome-repositories.com/f/programming-languages-runtimes/function-execution-mechanisms.md) — Implements the mechanics of executing top-level functions by jumping to global symbols in the binary text section.
- [Function Execution Models](https://awesome-repositories.com/f/programming-languages-runtimes/generator-functions/function-execution-models.md) — Executes top-level functions by jumping to global symbols and utilizing the caller stack frame. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))
- [Interface Boxing Strategies](https://awesome-repositories.com/f/programming-languages-runtimes/interface-boxing-strategies.md) — Provides technical details on wrapping scalar values into interface structures via heap allocation to maintain type metadata.
- [Interface System Internals](https://awesome-repositories.com/f/programming-languages-runtimes/interface-system-internals.md) — Provides an in-depth study of virtual tables, dynamic dispatch, and type assertions within the Go type system.
- [Runtime Type Assertion Analyzers](https://awesome-repositories.com/f/programming-languages-runtimes/language-features-paradigms/type-system-tools/type-definitions/variable-type-declarations/type-narrowing-assertion/runtime-type-assertion-analyzers.md) — Verifies concrete types within interfaces by comparing unique type hashes and memory addresses at runtime.
- [Runtime Architecture Analysis](https://awesome-repositories.com/f/programming-languages-runtimes/runtime-architecture-analysis.md) — Analyzes how the Go runtime manages goroutine stacks, garbage collection, and function calls.
- [Runtime Execution Analysis](https://awesome-repositories.com/f/programming-languages-runtimes/runtime-execution-analysis.md) — Analyzes the underlying mechanics of goroutine stack management, garbage collection, and calling conventions.
- [Runtime Type Dispatching](https://awesome-repositories.com/f/programming-languages-runtimes/runtime-execution-environments/runtime-environments/runtimes/type-definition-systems/runtime-type-dispatching.md) — Resolves the correct method implementation at runtime via interface virtual table lookups. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Runtime Type Detection](https://awesome-repositories.com/f/programming-languages-runtimes/runtime-execution-environments/runtime-environments/runtimes/type-definition-systems/runtime-type-dispatching/runtime-type-detection.md) — Describes how the runtime identifies the concrete type of an interface to determine execution branching logic. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Source-to-Assembly Translation](https://awesome-repositories.com/f/programming-languages-runtimes/source-to-assembly-translation.md) — Translates high-level Go source code into a standardized, hardware-agnostic assembly format for analysis.
- [Virtual Table Polymorphism](https://awesome-repositories.com/f/programming-languages-runtimes/virtual-table-polymorphism.md) — Resolves interface method calls using virtual tables to achieve dynamic dispatch polymorphism.
- [Empty Interface Structures](https://awesome-repositories.com/f/programming-languages-runtimes/interface-and-any-types/empty-interface-structures.md) — Details the specialized structure used by the runtime to store any type without a virtual table. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Interface Value Representations](https://awesome-repositories.com/f/programming-languages-runtimes/interface-and-any-types/type-and-interface-extensions/interface-value-representations.md) — Explains the runtime's use of structures containing data and table pointers to wrap concrete values. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))
- [Interface Composition Mechanics](https://awesome-repositories.com/f/programming-languages-runtimes/interface-composition-mechanics.md) — Explains how the language combines multiple interface definitions into a single union virtual table. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Interface Memory Layout](https://awesome-repositories.com/f/programming-languages-runtimes/interface-memory-layout.md) — Details the allocation of structures containing method offset metadata and concrete value pointers. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Receiver Value Dereferencing](https://awesome-repositories.com/f/programming-languages-runtimes/receiver-value-dereferencing.md) — Explains how the runtime handles pointer and value receivers during method invocation. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter2_interfaces/README.md))
- [Scalar Interface Boxing](https://awesome-repositories.com/f/programming-languages-runtimes/scalar-interface-boxing.md) — Describes how the runtime allocates heap memory to associate scalar values with their type metadata. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))
- [Virtual Table Generation](https://awesome-repositories.com/f/programming-languages-runtimes/virtual-table-generation.md) — Describes how the toolchain generates serialized tables mapping interface methods to concrete type implementations. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))
- [Zero-Value Pointer Optimizations](https://awesome-repositories.com/f/programming-languages-runtimes/zero-value-pointer-optimizations.md) — Provides a strategy to reduce heap allocations by utilizing a single global reference for initialized zero-value pointers. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))

### Operating Systems & Systems Programming

- [Dynamic Stack Resizers](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/allocation-strategies/dynamic-memory-allocation/stack-allocation-optimizations/dynamic-stack-resizers.md) — Explains the mechanism for monitoring stack pointers and copying data to larger segments when capacity is exceeded. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter1_assembly_primer))
- [Goroutine Stack Management](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/allocation-strategies/dynamic-memory-allocation/stack-allocation-optimizations/thread-local-stack-pools/goroutine-stack-management.md) — Details the Go runtime's implementation of dynamic stack sizing through pointer monitoring and data copying. ([source](https://github.com/teh-cmc/go-internals/blob/master/chapter1_assembly_primer/README.md))
- [Stack Split Checking](https://awesome-repositories.com/f/operating-systems-systems-programming/kernel-core-internals/process-and-memory-management/memory-management/allocation-strategies/dynamic-memory-allocation/stack-allocation-optimizations/thread-local-stack-pools/thread-stack-management/stack-split-checking.md) — Implements the mechanism for monitoring stack pointer thresholds to trigger dynamic growth and prevent overflow. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter1_assembly_primer))

### Software Engineering & Architecture

- [Garbage Collection Strategies](https://awesome-repositories.com/f/software-engineering-architecture/memory-management-systems/garbage-collection-strategies.md) — Covers the runtime's internal processes and algorithms used to automatically reclaim unused memory. ([source](https://github.com/teh-cmc/go-internals/blob/master/README.md))

### Testing & Quality Assurance

- [Receiver Value Boxing](https://awesome-repositories.com/f/testing-quality-assurance/general-testing-utilities/test-utilities-assertions/browser-ui-interaction/component-interaction-testing/pointer-interaction-tools/memory-pointers/automatic-pointer-dereferencing/receiver-value-boxing.md) — Handles pointers to value receivers by copying values to the stack or creating wrapper methods. ([source](https://github.com/teh-cmc/go-internals/tree/master/chapter2_interfaces))