llext_loader Struct Reference

Linkable loadable extension loader context. More...

#include <loader.h>

Data Fields
int(*	read )(struct llext_loader *ldr, void *out, size_t len)
	Read (copy) from the loader.
int(*	seek )(struct llext_loader *ldr, size_t pos)
	Seek to a new absolute location.
void *(*	peek )(struct llext_loader *ldr, size_t pos)
	Peek at an absolute location.
size_t	prog_data_size
	Total calculated .data size for relocatable extensions.

Detailed Description

Linkable loadable extension loader context.

Field Documentation

peek

void *(* llext_loader::peek) (struct llext_loader *ldr, size_t pos)

Peek at an absolute location.

Return a pointer to the buffer at specified offset.

Parameters

[in]	ldr	Loader
[in]	pos	Position to obtain a pointer to

Return values

pointer

into the buffer

prog_data_size

size_t llext_loader::prog_data_size

Total calculated .data size for relocatable extensions.

read

int(* llext_loader::read) (struct llext_loader *ldr, void *out, size_t len)

Read (copy) from the loader.

Copies len bytes into buf from the current position of the loader.

Parameters

[in]	ldr	Loader
[in]	out	Output location
[in]	len	Length to copy into the output location

Return values

0	Success
-errno	Error reading (any errno)

seek

int(* llext_loader::seek) (struct llext_loader *ldr, size_t pos)

Seek to a new absolute location.

Changes the location of the loader position to a new absolute given position.

Parameters

[in]	ldr	Loader
[in]	pos	Position in stream to move loader

Return values

0	Success
-errno	Error reading (any errno)

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The documentation for this struct was generated from the following file:

• zephyr/llext/loader.h