Add lazy helper

Author: toolCHAINZ

jingle_sleigh/src/context/image/gimli.rs

@@ -2,6 +2,11 @@ use crate::context::image::{ImageProvider, ImageSection, ImageSectionIterator, P
 use crate::{JingleSleighError, VarNode};
 use object::{Architecture, Endianness, File, Object, ObjectSection, Section, SectionKind};
 use std::cmp::{max, min};
+use std::fmt::Debug;
+use std::fs;
+use std::path::Path;
+use crate::context::loaded::LoadedSleighContext;
+use crate::context::SleighContextBuilder;
 
 #[derive(Debug, PartialEq, Eq)]
 pub struct OwnedSection {
@@ -183,3 +188,13 @@ fn map_sec_kind(kind: &SectionKind) -> Perms {
         _ => Perms::NONE,
     }
 }
+
+pub fn load_with_gimli<'a, P: AsRef<Path>, P2: AsRef<Path> + Debug>(p: P, ghidra_path: P2) -> Result<LoadedSleighContext<'a>, JingleSleighError>{
+    let data = fs::read(p.as_ref()).map_err(|_| JingleSleighError::ImageLoadError)?;
+    let f = object::File::parse(data.as_slice()).map_err(|_| JingleSleighError::ImageLoadError)?;
+    let owned = OwnedFile::new(&f)?;
+    let arch = map_gimli_architecture(&f).ok_or(JingleSleighError::InvalidLanguageId)?;
+    let sleigh = SleighContextBuilder::load_ghidra_installation(ghidra_path)?.build(arch)?;
+    let loaded = sleigh.initialize_with_image(owned)?;
+    Ok(loaded)
+}