Glossary OS

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Executable and Linkable Format — the binary format used for deployed Solana programs. Rust source code is compiled via cargo-build-sbf into an SBF-targeted ELF binary (.so file) that the Solana runtime loads and executes. The ELF format contains the program's compiled bytecode, symbol tables, and relocation information. ELF binaries are uploaded to buffer accounts during deployment and then written to the program data account.

Modelo mental

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Contexto técnico

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Serialização, memória, estruturas de dados e bases de engenharia.

Por que builders ligam para isso

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ELF Binary (elf-binary)
Categoria: Fundamentos de Programação
Definição: Executable and Linkable Format — the binary format used for deployed Solana programs. Rust source code is compiled via cargo-build-sbf into an SBF-targeted ELF binary (.so file) that the Solana runtime loads and executes. The ELF format contains the program's compiled bytecode, symbol tables, and relocation information. ELF binaries are uploaded to buffer accounts during deployment and then written to the program data account.
Aliases: ELF, Shared Object
Relacionados: SBF (Formato de Bytecode Solana), cargo-build-sbf, Program Data Account

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Pergunta

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Grafo conceitual

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Ramo

SBF (Formato de Bytecode Solana)

Solana Bytecode Format—Solana's customized evolution of BPF. SBF adds Solana-specific syscalls, modifies calling conventions, disables certain eBPF instructions, and adds features like position-independent code. Programs are compiled with `cargo build-sbf` and deployed as SBF ELF binaries. SBF replaced BPF as the canonical bytecode format.

BPF (Berkeley Packet Filter)SVM (Máquina Virtual Solana)

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Ramo

cargo-build-sbf

The Cargo subcommand that compiles Rust programs to Solana Bytecode Format (SBF). It invokes the Solana-specific LLVM toolchain (platform-tools) to produce an ELF binary deployable on-chain. Replaces the older `cargo build-bpf`. Typically invoked via `anchor build` which calls it internally. Output goes to `target/deploy/<name>.so`.

Programa

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Ramo

Program Data Account

The account that stores the actual SBF ELF bytecode for an upgradeable program. It is separate from the program's main account (which just points to the program data). This separation allows the bytecode to be swapped during upgrades while the program ID stays the same. The program data account also stores the upgrade authority pubkey.

Upgradeable BPF Loader

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Próximos conceitos para explorar

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Protocolo Base

SBF (Formato de Bytecode Solana)

Solana Bytecode Format—Solana's customized evolution of BPF. SBF adds Solana-specific syscalls, modifies calling conventions, disables certain eBPF instructions, and adds features like position-independent code. Programs are compiled with `cargo build-sbf` and deployed as SBF ELF binaries. SBF replaced BPF as the canonical bytecode format.

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Ferramentas de Dev

cargo-build-sbf

The Cargo subcommand that compiles Rust programs to Solana Bytecode Format (SBF). It invokes the Solana-specific LLVM toolchain (platform-tools) to produce an ELF binary deployable on-chain. Replaces the older `cargo build-bpf`. Typically invoked via `anchor build` which calls it internally. Output goes to `target/deploy/<name>.so`.

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Modelo de Programação

Program Data Account

The account that stores the actual SBF ELF bytecode for an upgradeable program. It is separate from the program's main account (which just points to the program data). This separation allows the bytecode to be swapped during upgrades while the program ID stays the same. The program data account also stores the upgrade authority pubkey.

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Fundamentos de Programação

Event-Driven Architecture

A software design pattern where the flow of the program is determined by events (state changes, messages, user actions). In Solana dApps: WebSocket subscriptions trigger callbacks on account changes, Anchor events (emit!) notify clients of on-chain state transitions, and transaction logs are parsed for event data. Enables reactive, real-time user interfaces.

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Termos relacionados

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Entradas de glossário só ficam úteis quando estão conectadas. Esses links são o caminho mais curto para ideias adjacentes.

Protocolo Basesbf

SBF (Formato de Bytecode Solana)

Solana Bytecode Format—Solana's customized evolution of BPF. SBF adds Solana-specific syscalls, modifies calling conventions, disables certain eBPF instructions, and adds features like position-independent code. Programs are compiled with `cargo build-sbf` and deployed as SBF ELF binaries. SBF replaced BPF as the canonical bytecode format.

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Ferramentas de Devcargo-build-sbf

cargo-build-sbf

The Cargo subcommand that compiles Rust programs to Solana Bytecode Format (SBF). It invokes the Solana-specific LLVM toolchain (platform-tools) to produce an ELF binary deployable on-chain. Replaces the older `cargo build-bpf`. Typically invoked via `anchor build` which calls it internally. Output goes to `target/deploy/<name>.so`.

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Modelo de Programaçãoprogram-data

Program Data Account

The account that stores the actual SBF ELF bytecode for an upgradeable program. It is separate from the program's main account (which just points to the program data). This separation allows the bytecode to be swapped during upgrades while the program ID stays the same. The program data account also stores the upgrade authority pubkey.

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Mais na categoria

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Essas entradas vivem ao lado do termo atual e ajudam a página a parecer parte de um grafo maior, não um beco sem saída.

Fundamentos de Programação

Rust

A systems programming language emphasizing memory safety, zero-cost abstractions, and concurrency without a garbage collector. Rust uses an ownership model with borrow checking at compile time to prevent data races and null pointer bugs. It is the primary language for Solana program development (via Anchor or native solana-program crate) and the Agave validator client.

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Fundamentos de Programação

TypeScript

A statically typed superset of JavaScript that compiles to plain JavaScript. TypeScript adds type annotations, interfaces, generics, and enums to catch errors at compile time. It is the standard language for Solana client-side development—wallet adapters, dApp frontends, test suites, and SDK interactions (web3.js, Anchor client) are typically written in TypeScript.

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Fundamentos de Programação

JavaScript

The ubiquitous scripting language for web development, running in browsers and Node.js. JavaScript is dynamically typed and event-driven. Most Solana dApp frontends and scripts use JavaScript/TypeScript with libraries like @solana/web3.js. Node.js enables server-side JS for backend services, indexers, and bot development.

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Fundamentos de Programação

Node.js

A JavaScript runtime built on Chrome's V8 engine that enables server-side JavaScript execution. Node.js uses an event-driven, non-blocking I/O model. In the Solana ecosystem, Node.js is used for: running Anchor tests (Mocha/Jest), backend services, transaction bots, indexers, and CLI tools. npm/yarn/pnpm manage JavaScript package dependencies.

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