Switch to goblin::elf

Cargo.lock

@@ -20,27 +20,38 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "elf"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4445909572dbd556c457c849c4ca58623d84b27c8fff1e74b0b4227d8b90d17b"
-
 [[package]]
 name = "freeloader"
 version = "0.1.0"
 dependencies = [
- "elf",
+ "goblin",
  "log",
  "uefi",
 ]
 
+[[package]]
+name = "goblin"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b363a30c165f666402fe6a3024d3bec7ebc898f96a4a23bd1c99f8dbf3f4f47"
+dependencies = [
+ "log",
+ "plain",
+ "scroll",
+]
+
 [[package]]
 name = "log"
 version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -79,6 +90,26 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "scroll"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ab8598aa408498679922eff7fa985c25d58a90771bd6be794434c5277eab1a6"
+dependencies = [
+ "scroll_derive",
+]
+
+[[package]]
+name = "scroll_derive"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f81c2fde025af7e69b1d1420531c8a8811ca898919db177141a85313b1cb932"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.72",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"

Cargo.toml

@@ -6,4 +6,4 @@ edition = "2021"
 [dependencies]
 uefi = { version = "0.29.0", default-features = false, features = [ "alloc", "global_allocator", "panic_handler", "logger" ] }
 log = { version = "0.4.22", default-features = false }
-elf = { version = "0.7.4", default_features = false }
+goblin = { version = "0.8.2", default-features = false, features = [ "elf64", "elf32", "endian_fd" ] }

src/object.rs

@@ -2,11 +2,11 @@ extern crate alloc;
 
 use crate::abi::{ModuleInfoItem, ModuleInfoType, ModuleInfoValue, Serialize};
 use alloc::vec::Vec;
-use elf::{endian::NativeEndian, ElfBytes};
+use goblin::elf::Elf;
 use log::info;
 
 #[cfg(target_arch = "x86_64")]
-const NATIVE_ELF_MACHINE: u16 = elf::abi::EM_X86_64;
+const NATIVE_ELF_MACHINE: u16 = goblin::elf::header::EM_X86_64;
 
 pub trait Module {
     /// Associated metadata for this module, including name and type
@@ -17,24 +17,19 @@ pub struct Kernel<'a> {
     /// Full ELF
     elf: &'a [u8],
     /// Parsed ELF
-    parsed: ElfBytes<'a, NativeEndian>,
+    parsed: Elf<'a>,
     /// Raw ELF header bytes
     elf_header: &'a [u8],
 }
 
 impl<'a> Kernel<'a> {
     pub fn from_elf_bytes(elf: &'a [u8]) -> Self {
-        let parsed =
-            elf::ElfBytes::<NativeEndian>::minimal_parse(elf).expect("Failed to parse kernel");
-        info!("Kernel is {:?}", parsed.ehdr.class);
-        if parsed.ehdr.e_machine != NATIVE_ELF_MACHINE {
+        let parsed = Elf::parse(elf).expect("Failed to parse kernel");
+        if parsed.header.e_machine != NATIVE_ELF_MACHINE {
             panic!("Kernel has wrong ELF machine");
         }
 
-        let header_size = match parsed.ehdr.class {
-            elf::file::Class::ELF32 => 0x34,
-            elf::file::Class::ELF64 => 0x40,
-        };
+        let header_size = if parsed.is_64 { 0x40 } else { 0x34 };
         let elf_header = &elf[..header_size];
 
         Self {