1 files changed, 0 insertions, 118 deletions
diff --git a/vendor/backtrace/src/symbolize/gimli/coff.rs b/vendor/backtrace/src/symbolize/gimli/coff.rs
deleted file mode 100644
index 759c827..0000000
--- a/vendor/backtrace/src/symbolize/gimli/coff.rs
+++ /dev/null
@@ -1,118 +0,0 @@
-use super::{gimli, Context, Endian, EndianSlice, Mapping, Path, Stash, Vec};
-use alloc::sync::Arc;
-use core::convert::TryFrom;
-use object::pe::{ImageDosHeader, ImageSymbol};
-use object::read::coff::ImageSymbol as _;
-use object::read::pe::{ImageNtHeaders, ImageOptionalHeader, SectionTable};
-use object::read::StringTable;
-use object::LittleEndian as LE;
-
-#[cfg(target_pointer_width = "32")]
-type Pe = object::pe::ImageNtHeaders32;
-#[cfg(target_pointer_width = "64")]
-type Pe = object::pe::ImageNtHeaders64;
-
-impl Mapping {
-    pub fn new(path: &Path) -> Option<Mapping> {
-        let map = super::mmap(path)?;
-        Mapping::mk(map, |data, stash| {
-            Context::new(stash, Object::parse(data)?, None, None)
-        })
-    }
-}
-
-pub struct Object<'a> {
-    data: &'a [u8],
-    sections: SectionTable<'a>,
-    symbols: Vec<(usize, &'a ImageSymbol)>,
-    strings: StringTable<'a>,
-}
-
-pub fn get_image_base(data: &[u8]) -> Option<usize> {
-    let dos_header = ImageDosHeader::parse(data).ok()?;
-    let mut offset = dos_header.nt_headers_offset().into();
-    let (nt_headers, _) = Pe::parse(data, &mut offset).ok()?;
-    usize::try_from(nt_headers.optional_header().image_base()).ok()
-}
-
-impl<'a> Object<'a> {
-    fn parse(data: &'a [u8]) -> Option<Object<'a>> {
-        let dos_header = ImageDosHeader::parse(data).ok()?;
-        let mut offset = dos_header.nt_headers_offset().into();
-        let (nt_headers, _) = Pe::parse(data, &mut offset).ok()?;
-        let sections = nt_headers.sections(data, offset).ok()?;
-        let symtab = nt_headers.symbols(data).ok()?;
-        let strings = symtab.strings();
-        let image_base = usize::try_from(nt_headers.optional_header().image_base()).ok()?;
-
-        // Collect all the symbols into a local vector which is sorted
-        // by address and contains enough data to learn about the symbol
-        // name. Note that we only look at function symbols and also
-        // note that the sections are 1-indexed because the zero section
-        // is special (apparently).
-        let mut symbols = Vec::new();
-        let mut i = 0;
-        let len = symtab.len();
-        while i < len {
-            let sym = symtab.symbol(i).ok()?;
-            i += 1 + sym.number_of_aux_symbols as usize;
-            let section_number = sym.section_number.get(LE);
-            if sym.derived_type() != object::pe::IMAGE_SYM_DTYPE_FUNCTION || section_number == 0 {
-                continue;
-            }
-            let addr = usize::try_from(sym.value.get(LE)).ok()?;
-            let section = sections
-                .section(usize::try_from(section_number).ok()?)
-                .ok()?;
-            let va = usize::try_from(section.virtual_address.get(LE)).ok()?;
-            symbols.push((addr + va + image_base, sym));
-        }
-        symbols.sort_unstable_by_key(|x| x.0);
-        Some(Object {
-            data,
-            sections,
-            strings,
-            symbols,
-        })
-    }
-
-    pub fn section(&self, _: &Stash, name: &str) -> Option<&'a [u8]> {
-        Some(
-            self.sections
-                .section_by_name(self.strings, name.as_bytes())?
-                .1
-                .pe_data(self.data)
-                .ok()?,
-        )
-    }
-
-    pub fn search_symtab<'b>(&'b self, addr: u64) -> Option<&'b [u8]> {
-        // Note that unlike other formats COFF doesn't embed the size of
-        // each symbol. As a last ditch effort search for the *closest*
-        // symbol to a particular address and return that one. This gets
-        // really wonky once symbols start getting removed because the
-        // symbols returned here can be totally incorrect, but we have
-        // no idea of knowing how to detect that.
-        let addr = usize::try_from(addr).ok()?;
-        let i = match self.symbols.binary_search_by_key(&addr, |p| p.0) {
-            Ok(i) => i,
-            // typically `addr` isn't in the array, but `i` is where
-            // we'd insert it, so the previous position must be the
-            // greatest less than `addr`
-            Err(i) => i.checked_sub(1)?,
-        };
-        self.symbols[i].1.name(self.strings).ok()
-    }
-
-    pub(super) fn search_object_map(&self, _addr: u64) -> Option<(&Context<'_>, u64)> {
-        None
-    }
-}
-
-pub(super) fn handle_split_dwarf<'data>(
-    _package: Option<&gimli::DwarfPackage<EndianSlice<'data, Endian>>>,
-    _stash: &'data Stash,
-    _load: addr2line::SplitDwarfLoad<EndianSlice<'data, Endian>>,
-) -> Option<Arc<gimli::Dwarf<EndianSlice<'data, Endian>>>> {
-    None
-}