Module wasmtime_environ::obj

Utilities for working with object files that operate as Wasmtime’s serialization and intermediate format for compiled modules.

Constants

EF_WASMTIME_COMPONENT

Flag for the e_flags field in the ELF header indicating a compiled component.

EF_WASMTIME_MODULE

Flag for the e_flags field in the ELF header indicating a compiled module.

ELFOSABI_WASMTIME

Filler for the os_abi field of the ELF header.

ELF_NAME_DATA

This is the name of the section in the final ELF image which contains a concatenated list of all function names.

ELF_WASMTIME_ADDRMAP

A custom Wasmtime-specific section of our compilation image which stores mapping data from offsets in the image to offset in the original wasm binary.

ELF_WASMTIME_INFO

This is the name of the section in the final ELF image which contains a bincode-encoded CompiledModuleInfo.

ELF_WASMTIME_TRAPS

A custom binary-encoded section of wasmtime compilation artifacts which encodes the ability to map an offset in the text section to the trap code that it corresponds to.

ELF_WASM_BTI

A custom section which consists of just 1 byte which is either 0 or 1 as to whether BTI is enabled.

ELF_WASM_DATA

This is the name of the section in the final ELF image which contains concatenated data segments from the original wasm module.

ELF_WASM_ENGINE

A bincode-encoded section containing engine-specific metadata used to double-check that an artifact can be loaded into the current host.