1 files changed, 0 insertions, 164 deletions
diff --git a/vendor/addr2line/src/builtin_split_dwarf_loader.rs b/vendor/addr2line/src/builtin_split_dwarf_loader.rs
deleted file mode 100644
index 4711931..0000000
--- a/vendor/addr2line/src/builtin_split_dwarf_loader.rs
+++ /dev/null
@@ -1,164 +0,0 @@
-use alloc::borrow::Cow;
-use alloc::sync::Arc;
-use std::fs::File;
-use std::path::PathBuf;
-
-use object::Object;
-
-use crate::{LookupContinuation, LookupResult};
-
-#[cfg(unix)]
-fn convert_path<R: gimli::Reader<Endian = gimli::RunTimeEndian>>(
-    r: &R,
-) -> Result<PathBuf, gimli::Error> {
-    use std::ffi::OsStr;
-    use std::os::unix::ffi::OsStrExt;
-    let bytes = r.to_slice()?;
-    let s = OsStr::from_bytes(&bytes);
-    Ok(PathBuf::from(s))
-}
-
-#[cfg(not(unix))]
-fn convert_path<R: gimli::Reader<Endian = gimli::RunTimeEndian>>(
-    r: &R,
-) -> Result<PathBuf, gimli::Error> {
-    let bytes = r.to_slice()?;
-    let s = std::str::from_utf8(&bytes).map_err(|_| gimli::Error::BadUtf8)?;
-    Ok(PathBuf::from(s))
-}
-
-fn load_section<'data: 'file, 'file, O, R, F>(
-    id: gimli::SectionId,
-    file: &'file O,
-    endian: R::Endian,
-    loader: &mut F,
-) -> Result<R, gimli::Error>
-where
-    O: object::Object<'data, 'file>,
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'data, [u8]>, R::Endian) -> R,
-{
-    use object::ObjectSection;
-
-    let data = id
-        .dwo_name()
-        .and_then(|dwo_name| {
-            file.section_by_name(dwo_name)
-                .and_then(|section| section.uncompressed_data().ok())
-        })
-        .unwrap_or(Cow::Borrowed(&[]));
-    Ok(loader(data, endian))
-}
-
-/// A simple builtin split DWARF loader.
-pub struct SplitDwarfLoader<R, F>
-where
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'_, [u8]>, R::Endian) -> R,
-{
-    loader: F,
-    dwarf_package: Option<gimli::DwarfPackage<R>>,
-}
-
-impl<R, F> SplitDwarfLoader<R, F>
-where
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'_, [u8]>, R::Endian) -> R,
-{
-    fn load_dwarf_package(loader: &mut F, path: Option<PathBuf>) -> Option<gimli::DwarfPackage<R>> {
-        let mut path = path.map(Ok).unwrap_or_else(std::env::current_exe).ok()?;
-        let dwp_extension = path
-            .extension()
-            .map(|previous_extension| {
-                let mut previous_extension = previous_extension.to_os_string();
-                previous_extension.push(".dwp");
-                previous_extension
-            })
-            .unwrap_or_else(|| "dwp".into());
-        path.set_extension(dwp_extension);
-        let file = File::open(&path).ok()?;
-        let map = unsafe { memmap2::Mmap::map(&file).ok()? };
-        let dwp = object::File::parse(&*map).ok()?;
-
-        let endian = if dwp.is_little_endian() {
-            gimli::RunTimeEndian::Little
-        } else {
-            gimli::RunTimeEndian::Big
-        };
-
-        let empty = loader(Cow::Borrowed(&[]), endian);
-        gimli::DwarfPackage::load(
-            |section_id| load_section(section_id, &dwp, endian, loader),
-            empty,
-        )
-        .ok()
-    }
-
-    /// Create a new split DWARF loader.
-    pub fn new(mut loader: F, path: Option<PathBuf>) -> SplitDwarfLoader<R, F> {
-        let dwarf_package = SplitDwarfLoader::load_dwarf_package(&mut loader, path);
-        SplitDwarfLoader {
-            loader,
-            dwarf_package,
-        }
-    }
-
-    /// Run the provided `LookupResult` to completion, loading any necessary
-    /// split DWARF along the way.
-    pub fn run<L>(&mut self, mut l: LookupResult<L>) -> L::Output
-    where
-        L: LookupContinuation<Buf = R>,
-    {
-        loop {
-            let (load, continuation) = match l {
-                LookupResult::Output(output) => break output,
-                LookupResult::Load { load, continuation } => (load, continuation),
-            };
-
-            let mut r: Option<Arc<gimli::Dwarf<_>>> = None;
-            if let Some(dwp) = self.dwarf_package.as_ref() {
-                if let Ok(Some(cu)) = dwp.find_cu(load.dwo_id, &load.parent) {
-                    r = Some(Arc::new(cu));
-                }
-            }
-
-            if r.is_none() {
-                let mut path = PathBuf::new();
-                if let Some(p) = load.comp_dir.as_ref() {
-                    if let Ok(p) = convert_path(p) {
-                        path.push(p);
-                    }
-                }
-
-                if let Some(p) = load.path.as_ref() {
-                    if let Ok(p) = convert_path(p) {
-                        path.push(p);
-                    }
-                }
-
-                if let Ok(file) = File::open(&path) {
-                    if let Ok(map) = unsafe { memmap2::Mmap::map(&file) } {
-                        if let Ok(file) = object::File::parse(&*map) {
-                            let endian = if file.is_little_endian() {
-                                gimli::RunTimeEndian::Little
-                            } else {
-                                gimli::RunTimeEndian::Big
-                            };
-
-                            r = gimli::Dwarf::load(|id| {
-                                load_section(id, &file, endian, &mut self.loader)
-                            })
-                            .ok()
-                            .map(|mut dwo_dwarf| {
-                                dwo_dwarf.make_dwo(&load.parent);
-                                Arc::new(dwo_dwarf)
-                            });
-                        }
-                    }
-                }
-            }
-
-            l = continuation.resume(r);
-        }
-    }
-}