// 3. Jump to entry int (*entry)(int, char**) = (int(*)(int,char**))ehdr.e_entry; return entry(argc, argv);
The ELF loader sets up a local server on the PS4, usually listening on port 9020 or 9021. This server waits for a user to send an ELF binary file from a computer or smartphone over the local network. Once received, the loader injects the code directly into the console's memory and executes it. Key Use Cases for ELF Loaders
Developers use ELF loaders to quickly test their applications, games, or utilities without needing to package them into formal PKG files first.
ELF loader is a feature in the PS4 homebrew community that allows you to run executable files in the Executable and Linkable Format (ELF) directly on a jailbroken console. While traditional PS4 homebrew is often installed as
The current gold standard for PS4 homebrew. GoldHEN includes an integrated "BinLoader" server that handles incoming .bin and .elf payloads seamlessly. PC/Client-Side Injectors
: It is frequently used by developers to test new homebrew apps or system modifications quickly. Kernel Interaction
“Elf loader?” she asked, as if confirming a rumor.
nc -q0 $PS4_HOST $PS4_PORT < your_payload.elf
With bin_loader.lua running, compile and test the main ELF loader. This loader will listen for incoming ELF files.
make test typically builds the elfldr payload and sends it to the PS4 over the network.
If the ELF uses libraries (like libkernel.prx or libSceLibcInternal.a ), the loader must:
: Uses the Blu-ray Disc Java (BD-J) layer as an entry point, allowing users to run custom code through specially crafted Blu-ray discs. Remote Lua Loader
On a jailbroken PS4, the ELF loader typically follows these steps: Exploit Execution
“What is it?” he said.
: Modern versions, such as those integrated into GoldHEN , support autoloading , allowing specific ELFs to run automatically every time the console is jailbroken.
typedef struct uint32_t magic; ... Elf64_Ehdr; typedef struct uint32_t type; ... Elf64_Phdr;