Deleted vendor folder

1 files changed, 0 insertions, 492 deletions

diff --git a/vendor/object/src/read/macho/symbol.rs b/vendor/object/src/read/macho/symbol.rs
deleted file mode 100644
index 434361f..0000000
--- a/vendor/object/src/read/macho/symbol.rs
+++ /dev/null
@@ -1,492 +0,0 @@
-use alloc::vec::Vec;
-use core::fmt::Debug;
-use core::{fmt, slice, str};
-
-use crate::endian::{self, Endianness};
-use crate::macho;
-use crate::pod::Pod;
-use crate::read::util::StringTable;
-use crate::read::{
-    self, ObjectMap, ObjectMapEntry, ObjectSymbol, ObjectSymbolTable, ReadError, ReadRef, Result,
-    SectionIndex, SectionKind, SymbolFlags, SymbolIndex, SymbolKind, SymbolMap, SymbolMapEntry,
-    SymbolScope, SymbolSection,
-};
-
-use super::{MachHeader, MachOFile};
-
-/// A table of symbol entries in a Mach-O file.
-///
-/// Also includes the string table used for the symbol names.
-///
-/// Returned by [`macho::SymtabCommand::symbols`].
-#[derive(Debug, Clone, Copy)]
-pub struct SymbolTable<'data, Mach: MachHeader, R = &'data [u8]>
-where
-    R: ReadRef<'data>,
-{
-    symbols: &'data [Mach::Nlist],
-    strings: StringTable<'data, R>,
-}
-
-impl<'data, Mach: MachHeader, R: ReadRef<'data>> Default for SymbolTable<'data, Mach, R> {
-    fn default() -> Self {
-        SymbolTable {
-            symbols: &[],
-            strings: Default::default(),
-        }
-    }
-}
-
-impl<'data, Mach: MachHeader, R: ReadRef<'data>> SymbolTable<'data, Mach, R> {
-    #[inline]
-    pub(super) fn new(symbols: &'data [Mach::Nlist], strings: StringTable<'data, R>) -> Self {
-        SymbolTable { symbols, strings }
-    }
-
-    /// Return the string table used for the symbol names.
-    #[inline]
-    pub fn strings(&self) -> StringTable<'data, R> {
-        self.strings
-    }
-
-    /// Iterate over the symbols.
-    #[inline]
-    pub fn iter(&self) -> slice::Iter<'data, Mach::Nlist> {
-        self.symbols.iter()
-    }
-
-    /// Return true if the symbol table is empty.
-    #[inline]
-    pub fn is_empty(&self) -> bool {
-        self.symbols.is_empty()
-    }
-
-    /// The number of symbols.
-    #[inline]
-    pub fn len(&self) -> usize {
-        self.symbols.len()
-    }
-
-    /// Return the symbol at the given index.
-    pub fn symbol(&self, index: usize) -> Result<&'data Mach::Nlist> {
-        self.symbols
-            .get(index)
-            .read_error("Invalid Mach-O symbol index")
-    }
-
-    /// Construct a map from addresses to a user-defined map entry.
-    pub fn map<Entry: SymbolMapEntry, F: Fn(&'data Mach::Nlist) -> Option<Entry>>(
-        &self,
-        f: F,
-    ) -> SymbolMap<Entry> {
-        let mut symbols = Vec::new();
-        for nlist in self.symbols {
-            if !nlist.is_definition() {
-                continue;
-            }
-            if let Some(entry) = f(nlist) {
-                symbols.push(entry);
-            }
-        }
-        SymbolMap::new(symbols)
-    }
-
-    /// Construct a map from addresses to symbol names and object file names.
-    pub fn object_map(&self, endian: Mach::Endian) -> ObjectMap<'data> {
-        let mut symbols = Vec::new();
-        let mut objects = Vec::new();
-        let mut object = None;
-        let mut current_function = None;
-        // Each module starts with one or two N_SO symbols (path, or directory + filename)
-        // and one N_OSO symbol. The module is terminated by an empty N_SO symbol.
-        for nlist in self.symbols {
-            let n_type = nlist.n_type();
-            if n_type & macho::N_STAB == 0 {
-                continue;
-            }
-            // TODO: includes variables too (N_GSYM, N_STSYM). These may need to get their
-            // address from regular symbols though.
-            match n_type {
-                macho::N_SO => {
-                    object = None;
-                }
-                macho::N_OSO => {
-                    object = None;
-                    if let Ok(name) = nlist.name(endian, self.strings) {
-                        if !name.is_empty() {
-                            object = Some(objects.len());
-                            objects.push(name);
-                        }
-                    }
-                }
-                macho::N_FUN => {
-                    if let Ok(name) = nlist.name(endian, self.strings) {
-                        if !name.is_empty() {
-                            current_function = Some((name, nlist.n_value(endian).into()))
-                        } else if let Some((name, address)) = current_function.take() {
-                            if let Some(object) = object {
-                                symbols.push(ObjectMapEntry {
-                                    address,
-                                    size: nlist.n_value(endian).into(),
-                                    name,
-                                    object,
-                                });
-                            }
-                        }
-                    }
-                }
-                _ => {}
-            }
-        }
-        ObjectMap {
-            symbols: SymbolMap::new(symbols),
-            objects,
-        }
-    }
-}
-
-/// A symbol table in a [`MachOFile32`](super::MachOFile32).
-pub type MachOSymbolTable32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbolTable<'data, 'file, macho::MachHeader32<Endian>, R>;
-/// A symbol table in a [`MachOFile64`](super::MachOFile64).
-pub type MachOSymbolTable64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbolTable<'data, 'file, macho::MachHeader64<Endian>, R>;
-
-/// A symbol table in a [`MachOFile`].
-#[derive(Debug, Clone, Copy)]
-pub struct MachOSymbolTable<'data, 'file, Mach, R = &'data [u8]>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) file: &'file MachOFile<'data, Mach, R>,
-}
-
-impl<'data, 'file, Mach, R> read::private::Sealed for MachOSymbolTable<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Mach, R> ObjectSymbolTable<'data> for MachOSymbolTable<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    type Symbol = MachOSymbol<'data, 'file, Mach, R>;
-    type SymbolIterator = MachOSymbolIterator<'data, 'file, Mach, R>;
-
-    fn symbols(&self) -> Self::SymbolIterator {
-        MachOSymbolIterator {
-            file: self.file,
-            index: 0,
-        }
-    }
-
-    fn symbol_by_index(&self, index: SymbolIndex) -> Result<Self::Symbol> {
-        let nlist = self.file.symbols.symbol(index.0)?;
-        MachOSymbol::new(self.file, index, nlist).read_error("Unsupported Mach-O symbol index")
-    }
-}
-
-/// An iterator for the symbols in a [`MachOFile32`](super::MachOFile32).
-pub type MachOSymbolIterator32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbolIterator<'data, 'file, macho::MachHeader32<Endian>, R>;
-/// An iterator for the symbols in a [`MachOFile64`](super::MachOFile64).
-pub type MachOSymbolIterator64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbolIterator<'data, 'file, macho::MachHeader64<Endian>, R>;
-
-/// An iterator for the symbols in a [`MachOFile`].
-pub struct MachOSymbolIterator<'data, 'file, Mach, R = &'data [u8]>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) file: &'file MachOFile<'data, Mach, R>,
-    pub(super) index: usize,
-}
-
-impl<'data, 'file, Mach, R> fmt::Debug for MachOSymbolIterator<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("MachOSymbolIterator").finish()
-    }
-}
-
-impl<'data, 'file, Mach, R> Iterator for MachOSymbolIterator<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    type Item = MachOSymbol<'data, 'file, Mach, R>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        loop {
-            let index = self.index;
-            let nlist = self.file.symbols.symbols.get(index)?;
-            self.index += 1;
-            if let Some(symbol) = MachOSymbol::new(self.file, SymbolIndex(index), nlist) {
-                return Some(symbol);
-            }
-        }
-    }
-}
-
-/// A symbol in a [`MachOFile32`](super::MachOFile32).
-pub type MachOSymbol32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbol<'data, 'file, macho::MachHeader32<Endian>, R>;
-/// A symbol in a [`MachOFile64`](super::MachOFile64).
-pub type MachOSymbol64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    MachOSymbol<'data, 'file, macho::MachHeader64<Endian>, R>;
-
-/// A symbol in a [`MachOFile`].
-///
-/// Most functionality is provided by the [`ObjectSymbol`] trait implementation.
-#[derive(Debug, Clone, Copy)]
-pub struct MachOSymbol<'data, 'file, Mach, R = &'data [u8]>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    file: &'file MachOFile<'data, Mach, R>,
-    index: SymbolIndex,
-    nlist: &'data Mach::Nlist,
-}
-
-impl<'data, 'file, Mach, R> MachOSymbol<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) fn new(
-        file: &'file MachOFile<'data, Mach, R>,
-        index: SymbolIndex,
-        nlist: &'data Mach::Nlist,
-    ) -> Option<Self> {
-        if nlist.n_type() & macho::N_STAB != 0 {
-            return None;
-        }
-        Some(MachOSymbol { file, index, nlist })
-    }
-}
-
-impl<'data, 'file, Mach, R> read::private::Sealed for MachOSymbol<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Mach, R> ObjectSymbol<'data> for MachOSymbol<'data, 'file, Mach, R>
-where
-    Mach: MachHeader,
-    R: ReadRef<'data>,
-{
-    #[inline]
-    fn index(&self) -> SymbolIndex {
-        self.index
-    }
-
-    fn name_bytes(&self) -> Result<&'data [u8]> {
-        self.nlist.name(self.file.endian, self.file.symbols.strings)
-    }
-
-    fn name(&self) -> Result<&'data str> {
-        let name = self.name_bytes()?;
-        str::from_utf8(name)
-            .ok()
-            .read_error("Non UTF-8 Mach-O symbol name")
-    }
-
-    #[inline]
-    fn address(&self) -> u64 {
-        self.nlist.n_value(self.file.endian).into()
-    }
-
-    #[inline]
-    fn size(&self) -> u64 {
-        0
-    }
-
-    fn kind(&self) -> SymbolKind {
-        self.section()
-            .index()
-            .and_then(|index| self.file.section_internal(index).ok())
-            .map(|section| match section.kind {
-                SectionKind::Text => SymbolKind::Text,
-                SectionKind::Data
-                | SectionKind::ReadOnlyData
-                | SectionKind::ReadOnlyString
-                | SectionKind::UninitializedData
-                | SectionKind::Common => SymbolKind::Data,
-                SectionKind::Tls | SectionKind::UninitializedTls | SectionKind::TlsVariables => {
-                    SymbolKind::Tls
-                }
-                _ => SymbolKind::Unknown,
-            })
-            .unwrap_or(SymbolKind::Unknown)
-    }
-
-    fn section(&self) -> SymbolSection {
-        match self.nlist.n_type() & macho::N_TYPE {
-            macho::N_UNDF => SymbolSection::Undefined,
-            macho::N_ABS => SymbolSection::Absolute,
-            macho::N_SECT => {
-                let n_sect = self.nlist.n_sect();
-                if n_sect != 0 {
-                    SymbolSection::Section(SectionIndex(n_sect as usize))
-                } else {
-                    SymbolSection::Unknown
-                }
-            }
-            _ => SymbolSection::Unknown,
-        }
-    }
-
-    #[inline]
-    fn is_undefined(&self) -> bool {
-        self.nlist.n_type() & macho::N_TYPE == macho::N_UNDF
-    }
-
-    #[inline]
-    fn is_definition(&self) -> bool {
-        self.nlist.is_definition()
-    }
-
-    #[inline]
-    fn is_common(&self) -> bool {
-        // Mach-O common symbols are based on section, not symbol
-        false
-    }
-
-    #[inline]
-    fn is_weak(&self) -> bool {
-        self.nlist.n_desc(self.file.endian) & (macho::N_WEAK_REF | macho::N_WEAK_DEF) != 0
-    }
-
-    fn scope(&self) -> SymbolScope {
-        let n_type = self.nlist.n_type();
-        if n_type & macho::N_TYPE == macho::N_UNDF {
-            SymbolScope::Unknown
-        } else if n_type & macho::N_EXT == 0 {
-            SymbolScope::Compilation
-        } else if n_type & macho::N_PEXT != 0 {
-            SymbolScope::Linkage
-        } else {
-            SymbolScope::Dynamic
-        }
-    }
-
-    #[inline]
-    fn is_global(&self) -> bool {
-        self.scope() != SymbolScope::Compilation
-    }
-
-    #[inline]
-    fn is_local(&self) -> bool {
-        self.scope() == SymbolScope::Compilation
-    }
-
-    #[inline]
-    fn flags(&self) -> SymbolFlags<SectionIndex, SymbolIndex> {
-        let n_desc = self.nlist.n_desc(self.file.endian);
-        SymbolFlags::MachO { n_desc }
-    }
-}
-
-/// A trait for generic access to [`macho::Nlist32`] and [`macho::Nlist64`].
-#[allow(missing_docs)]
-pub trait Nlist: Debug + Pod {
-    type Word: Into<u64>;
-    type Endian: endian::Endian;
-
-    fn n_strx(&self, endian: Self::Endian) -> u32;
-    fn n_type(&self) -> u8;
-    fn n_sect(&self) -> u8;
-    fn n_desc(&self, endian: Self::Endian) -> u16;
-    fn n_value(&self, endian: Self::Endian) -> Self::Word;
-
-    fn name<'data, R: ReadRef<'data>>(
-        &self,
-        endian: Self::Endian,
-        strings: StringTable<'data, R>,
-    ) -> Result<&'data [u8]> {
-        strings
-            .get(self.n_strx(endian))
-            .read_error("Invalid Mach-O symbol name offset")
-    }
-
-    /// Return true if this is a STAB symbol.
-    ///
-    /// This determines the meaning of the `n_type` field.
-    fn is_stab(&self) -> bool {
-        self.n_type() & macho::N_STAB != 0
-    }
-
-    /// Return true if this is an undefined symbol.
-    fn is_undefined(&self) -> bool {
-        let n_type = self.n_type();
-        n_type & macho::N_STAB == 0 && n_type & macho::N_TYPE == macho::N_UNDF
-    }
-
-    /// Return true if the symbol is a definition of a function or data object.
-    fn is_definition(&self) -> bool {
-        let n_type = self.n_type();
-        n_type & macho::N_STAB == 0 && n_type & macho::N_TYPE == macho::N_SECT
-    }
-
-    /// Return the library ordinal.
-    ///
-    /// This is either a 1-based index into the dylib load commands,
-    /// or a special ordinal.
-    #[inline]
-    fn library_ordinal(&self, endian: Self::Endian) -> u8 {
-        (self.n_desc(endian) >> 8) as u8
-    }
-}
-
-impl<Endian: endian::Endian> Nlist for macho::Nlist32<Endian> {
-    type Word = u32;
-    type Endian = Endian;
-
-    fn n_strx(&self, endian: Self::Endian) -> u32 {
-        self.n_strx.get(endian)
-    }
-    fn n_type(&self) -> u8 {
-        self.n_type
-    }
-    fn n_sect(&self) -> u8 {
-        self.n_sect
-    }
-    fn n_desc(&self, endian: Self::Endian) -> u16 {
-        self.n_desc.get(endian)
-    }
-    fn n_value(&self, endian: Self::Endian) -> Self::Word {
-        self.n_value.get(endian)
-    }
-}
-
-impl<Endian: endian::Endian> Nlist for macho::Nlist64<Endian> {
-    type Word = u64;
-    type Endian = Endian;
-
-    fn n_strx(&self, endian: Self::Endian) -> u32 {
-        self.n_strx.get(endian)
-    }
-    fn n_type(&self) -> u8 {
-        self.n_type
-    }
-    fn n_sect(&self) -> u8 {
-        self.n_sect
-    }
-    fn n_desc(&self, endian: Self::Endian) -> u16 {
-        self.n_desc.get(endian)
-    }
-    fn n_value(&self, endian: Self::Endian) -> Self::Word {
-        self.n_value.get(endian)
-    }
-}