1 files changed, 0 insertions, 595 deletions
diff --git a/vendor/object/src/read/elf/symbol.rs b/vendor/object/src/read/elf/symbol.rs
deleted file mode 100644
index 8ba707f..0000000
--- a/vendor/object/src/read/elf/symbol.rs
+++ /dev/null
@@ -1,595 +0,0 @@
-use alloc::fmt;
-use alloc::vec::Vec;
-use core::fmt::Debug;
-use core::slice;
-use core::str;
-
-use crate::endian::{self, Endianness};
-use crate::pod::Pod;
-use crate::read::util::StringTable;
-use crate::read::{
-    self, ObjectSymbol, ObjectSymbolTable, ReadError, ReadRef, SectionIndex, SymbolFlags,
-    SymbolIndex, SymbolKind, SymbolMap, SymbolMapEntry, SymbolScope, SymbolSection,
-};
-use crate::{elf, U32};
-
-use super::{FileHeader, SectionHeader, SectionTable};
-
-/// A table of symbol entries in an ELF file.
-///
-/// Also includes the string table used for the symbol names.
-///
-/// Returned by [`SectionTable::symbols`].
-#[derive(Debug, Clone, Copy)]
-pub struct SymbolTable<'data, Elf: FileHeader, R = &'data [u8]>
-where
-    R: ReadRef<'data>,
-{
-    section: SectionIndex,
-    string_section: SectionIndex,
-    shndx_section: SectionIndex,
-    symbols: &'data [Elf::Sym],
-    strings: StringTable<'data, R>,
-    shndx: &'data [U32<Elf::Endian>],
-}
-
-impl<'data, Elf: FileHeader, R: ReadRef<'data>> Default for SymbolTable<'data, Elf, R> {
-    fn default() -> Self {
-        SymbolTable {
-            section: SectionIndex(0),
-            string_section: SectionIndex(0),
-            shndx_section: SectionIndex(0),
-            symbols: &[],
-            strings: Default::default(),
-            shndx: &[],
-        }
-    }
-}
-
-impl<'data, Elf: FileHeader, R: ReadRef<'data>> SymbolTable<'data, Elf, R> {
-    /// Parse the given symbol table section.
-    pub fn parse(
-        endian: Elf::Endian,
-        data: R,
-        sections: &SectionTable<'data, Elf, R>,
-        section_index: SectionIndex,
-        section: &Elf::SectionHeader,
-    ) -> read::Result<SymbolTable<'data, Elf, R>> {
-        debug_assert!(
-            section.sh_type(endian) == elf::SHT_DYNSYM
-                || section.sh_type(endian) == elf::SHT_SYMTAB
-        );
-
-        let symbols = section
-            .data_as_array(endian, data)
-            .read_error("Invalid ELF symbol table data")?;
-
-        let link = SectionIndex(section.sh_link(endian) as usize);
-        let strings = sections.strings(endian, data, link)?;
-
-        let mut shndx_section = SectionIndex(0);
-        let mut shndx = &[][..];
-        for (i, s) in sections.iter().enumerate() {
-            if s.sh_type(endian) == elf::SHT_SYMTAB_SHNDX
-                && s.sh_link(endian) as usize == section_index.0
-            {
-                shndx_section = SectionIndex(i);
-                shndx = s
-                    .data_as_array(endian, data)
-                    .read_error("Invalid ELF symtab_shndx data")?;
-            }
-        }
-
-        Ok(SymbolTable {
-            section: section_index,
-            string_section: link,
-            symbols,
-            strings,
-            shndx,
-            shndx_section,
-        })
-    }
-
-    /// Return the section index of this symbol table.
-    #[inline]
-    pub fn section(&self) -> SectionIndex {
-        self.section
-    }
-
-    /// Return the section index of the shndx table.
-    #[inline]
-    pub fn shndx_section(&self) -> SectionIndex {
-        self.shndx_section
-    }
-
-    /// Return the section index of the linked string table.
-    #[inline]
-    pub fn string_section(&self) -> SectionIndex {
-        self.string_section
-    }
-
-    /// Return the string table used for the symbol names.
-    #[inline]
-    pub fn strings(&self) -> StringTable<'data, R> {
-        self.strings
-    }
-
-    /// Return the symbol table.
-    #[inline]
-    pub fn symbols(&self) -> &'data [Elf::Sym] {
-        self.symbols
-    }
-
-    /// Iterate over the symbols.
-    #[inline]
-    pub fn iter(&self) -> slice::Iter<'data, Elf::Sym> {
-        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) -> read::Result<&'data Elf::Sym> {
-        self.symbols
-            .get(index)
-            .read_error("Invalid ELF symbol index")
-    }
-
-    /// Return the extended section index for the given symbol if present.
-    #[inline]
-    pub fn shndx(&self, endian: Elf::Endian, index: usize) -> Option<u32> {
-        self.shndx.get(index).map(|x| x.get(endian))
-    }
-
-    /// Return the section index for the given symbol.
-    ///
-    /// This uses the extended section index if present.
-    pub fn symbol_section(
-        &self,
-        endian: Elf::Endian,
-        symbol: &'data Elf::Sym,
-        index: usize,
-    ) -> read::Result<Option<SectionIndex>> {
-        match symbol.st_shndx(endian) {
-            elf::SHN_UNDEF => Ok(None),
-            elf::SHN_XINDEX => self
-                .shndx(endian, index)
-                .read_error("Missing ELF symbol extended index")
-                .map(|index| Some(SectionIndex(index as usize))),
-            shndx if shndx < elf::SHN_LORESERVE => Ok(Some(SectionIndex(shndx.into()))),
-            _ => Ok(None),
-        }
-    }
-
-    /// Return the symbol name for the given symbol.
-    pub fn symbol_name(
-        &self,
-        endian: Elf::Endian,
-        symbol: &'data Elf::Sym,
-    ) -> read::Result<&'data [u8]> {
-        symbol.name(endian, self.strings)
-    }
-
-    /// Construct a map from addresses to a user-defined map entry.
-    pub fn map<Entry: SymbolMapEntry, F: Fn(&'data Elf::Sym) -> Option<Entry>>(
-        &self,
-        endian: Elf::Endian,
-        f: F,
-    ) -> SymbolMap<Entry> {
-        let mut symbols = Vec::with_capacity(self.symbols.len());
-        for symbol in self.symbols {
-            if !symbol.is_definition(endian) {
-                continue;
-            }
-            if let Some(entry) = f(symbol) {
-                symbols.push(entry);
-            }
-        }
-        SymbolMap::new(symbols)
-    }
-}
-
-/// A symbol table in an [`ElfFile32`](super::ElfFile32).
-pub type ElfSymbolTable32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbolTable<'data, 'file, elf::FileHeader32<Endian>, R>;
-/// A symbol table in an [`ElfFile32`](super::ElfFile32).
-pub type ElfSymbolTable64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbolTable<'data, 'file, elf::FileHeader64<Endian>, R>;
-
-/// A symbol table in an [`ElfFile`](super::ElfFile).
-#[derive(Debug, Clone, Copy)]
-pub struct ElfSymbolTable<'data, 'file, Elf, R = &'data [u8]>
-where
-    Elf: FileHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) endian: Elf::Endian,
-    pub(super) symbols: &'file SymbolTable<'data, Elf, R>,
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> read::private::Sealed
-    for ElfSymbolTable<'data, 'file, Elf, R>
-{
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> ObjectSymbolTable<'data>
-    for ElfSymbolTable<'data, 'file, Elf, R>
-{
-    type Symbol = ElfSymbol<'data, 'file, Elf, R>;
-    type SymbolIterator = ElfSymbolIterator<'data, 'file, Elf, R>;
-
-    fn symbols(&self) -> Self::SymbolIterator {
-        ElfSymbolIterator {
-            endian: self.endian,
-            symbols: self.symbols,
-            index: 0,
-        }
-    }
-
-    fn symbol_by_index(&self, index: SymbolIndex) -> read::Result<Self::Symbol> {
-        let symbol = self.symbols.symbol(index.0)?;
-        Ok(ElfSymbol {
-            endian: self.endian,
-            symbols: self.symbols,
-            index,
-            symbol,
-        })
-    }
-}
-
-/// An iterator for the symbols in an [`ElfFile32`](super::ElfFile32).
-pub type ElfSymbolIterator32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbolIterator<'data, 'file, elf::FileHeader32<Endian>, R>;
-/// An iterator for the symbols in an [`ElfFile64`](super::ElfFile64).
-pub type ElfSymbolIterator64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbolIterator<'data, 'file, elf::FileHeader64<Endian>, R>;
-
-/// An iterator for the symbols in an [`ElfFile`](super::ElfFile).
-pub struct ElfSymbolIterator<'data, 'file, Elf, R = &'data [u8]>
-where
-    Elf: FileHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) endian: Elf::Endian,
-    pub(super) symbols: &'file SymbolTable<'data, Elf, R>,
-    pub(super) index: usize,
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> fmt::Debug
-    for ElfSymbolIterator<'data, 'file, Elf, R>
-{
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("ElfSymbolIterator").finish()
-    }
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> Iterator
-    for ElfSymbolIterator<'data, 'file, Elf, R>
-{
-    type Item = ElfSymbol<'data, 'file, Elf, R>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let index = self.index;
-        let symbol = self.symbols.symbols.get(index)?;
-        self.index += 1;
-        Some(ElfSymbol {
-            endian: self.endian,
-            symbols: self.symbols,
-            index: SymbolIndex(index),
-            symbol,
-        })
-    }
-}
-
-/// A symbol in an [`ElfFile32`](super::ElfFile32).
-pub type ElfSymbol32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbol<'data, 'file, elf::FileHeader32<Endian>, R>;
-/// A symbol in an [`ElfFile64`](super::ElfFile64).
-pub type ElfSymbol64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
-    ElfSymbol<'data, 'file, elf::FileHeader64<Endian>, R>;
-
-/// A symbol in an [`ElfFile`](super::ElfFile).
-///
-/// Most functionality is provided by the [`ObjectSymbol`] trait implementation.
-#[derive(Debug, Clone, Copy)]
-pub struct ElfSymbol<'data, 'file, Elf, R = &'data [u8]>
-where
-    Elf: FileHeader,
-    R: ReadRef<'data>,
-{
-    pub(super) endian: Elf::Endian,
-    pub(super) symbols: &'file SymbolTable<'data, Elf, R>,
-    pub(super) index: SymbolIndex,
-    pub(super) symbol: &'data Elf::Sym,
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> ElfSymbol<'data, 'file, Elf, R> {
-    /// Return a reference to the raw symbol structure.
-    #[inline]
-    pub fn raw_symbol(&self) -> &'data Elf::Sym {
-        self.symbol
-    }
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> read::private::Sealed
-    for ElfSymbol<'data, 'file, Elf, R>
-{
-}
-
-impl<'data, 'file, Elf: FileHeader, R: ReadRef<'data>> ObjectSymbol<'data>
-    for ElfSymbol<'data, 'file, Elf, R>
-{
-    #[inline]
-    fn index(&self) -> SymbolIndex {
-        self.index
-    }
-
-    fn name_bytes(&self) -> read::Result<&'data [u8]> {
-        self.symbol.name(self.endian, self.symbols.strings())
-    }
-
-    fn name(&self) -> read::Result<&'data str> {
-        let name = self.name_bytes()?;
-        str::from_utf8(name)
-            .ok()
-            .read_error("Non UTF-8 ELF symbol name")
-    }
-
-    #[inline]
-    fn address(&self) -> u64 {
-        self.symbol.st_value(self.endian).into()
-    }
-
-    #[inline]
-    fn size(&self) -> u64 {
-        self.symbol.st_size(self.endian).into()
-    }
-
-    fn kind(&self) -> SymbolKind {
-        match self.symbol.st_type() {
-            elf::STT_NOTYPE if self.index.0 == 0 => SymbolKind::Null,
-            elf::STT_NOTYPE => SymbolKind::Unknown,
-            elf::STT_OBJECT | elf::STT_COMMON => SymbolKind::Data,
-            elf::STT_FUNC | elf::STT_GNU_IFUNC => SymbolKind::Text,
-            elf::STT_SECTION => SymbolKind::Section,
-            elf::STT_FILE => SymbolKind::File,
-            elf::STT_TLS => SymbolKind::Tls,
-            _ => SymbolKind::Unknown,
-        }
-    }
-
-    fn section(&self) -> SymbolSection {
-        match self.symbol.st_shndx(self.endian) {
-            elf::SHN_UNDEF => SymbolSection::Undefined,
-            elf::SHN_ABS => {
-                if self.symbol.st_type() == elf::STT_FILE {
-                    SymbolSection::None
-                } else {
-                    SymbolSection::Absolute
-                }
-            }
-            elf::SHN_COMMON => SymbolSection::Common,
-            elf::SHN_XINDEX => match self.symbols.shndx(self.endian, self.index.0) {
-                Some(index) => SymbolSection::Section(SectionIndex(index as usize)),
-                None => SymbolSection::Unknown,
-            },
-            index if index < elf::SHN_LORESERVE => {
-                SymbolSection::Section(SectionIndex(index as usize))
-            }
-            _ => SymbolSection::Unknown,
-        }
-    }
-
-    #[inline]
-    fn is_undefined(&self) -> bool {
-        self.symbol.st_shndx(self.endian) == elf::SHN_UNDEF
-    }
-
-    #[inline]
-    fn is_definition(&self) -> bool {
-        self.symbol.is_definition(self.endian)
-    }
-
-    #[inline]
-    fn is_common(&self) -> bool {
-        self.symbol.st_shndx(self.endian) == elf::SHN_COMMON
-    }
-
-    #[inline]
-    fn is_weak(&self) -> bool {
-        self.symbol.st_bind() == elf::STB_WEAK
-    }
-
-    fn scope(&self) -> SymbolScope {
-        if self.symbol.st_shndx(self.endian) == elf::SHN_UNDEF {
-            SymbolScope::Unknown
-        } else {
-            match self.symbol.st_bind() {
-                elf::STB_LOCAL => SymbolScope::Compilation,
-                elf::STB_GLOBAL | elf::STB_WEAK => {
-                    if self.symbol.st_visibility() == elf::STV_HIDDEN {
-                        SymbolScope::Linkage
-                    } else {
-                        SymbolScope::Dynamic
-                    }
-                }
-                _ => SymbolScope::Unknown,
-            }
-        }
-    }
-
-    #[inline]
-    fn is_global(&self) -> bool {
-        self.symbol.st_bind() != elf::STB_LOCAL
-    }
-
-    #[inline]
-    fn is_local(&self) -> bool {
-        self.symbol.st_bind() == elf::STB_LOCAL
-    }
-
-    #[inline]
-    fn flags(&self) -> SymbolFlags<SectionIndex, SymbolIndex> {
-        SymbolFlags::Elf {
-            st_info: self.symbol.st_info(),
-            st_other: self.symbol.st_other(),
-        }
-    }
-}
-
-/// A trait for generic access to [`elf::Sym32`] and [`elf::Sym64`].
-#[allow(missing_docs)]
-pub trait Sym: Debug + Pod {
-    type Word: Into<u64>;
-    type Endian: endian::Endian;
-
-    fn st_name(&self, endian: Self::Endian) -> u32;
-    fn st_info(&self) -> u8;
-    fn st_bind(&self) -> u8;
-    fn st_type(&self) -> u8;
-    fn st_other(&self) -> u8;
-    fn st_visibility(&self) -> u8;
-    fn st_shndx(&self, endian: Self::Endian) -> u16;
-    fn st_value(&self, endian: Self::Endian) -> Self::Word;
-    fn st_size(&self, endian: Self::Endian) -> Self::Word;
-
-    /// Parse the symbol name from the string table.
-    fn name<'data, R: ReadRef<'data>>(
-        &self,
-        endian: Self::Endian,
-        strings: StringTable<'data, R>,
-    ) -> read::Result<&'data [u8]> {
-        strings
-            .get(self.st_name(endian))
-            .read_error("Invalid ELF symbol name offset")
-    }
-
-    /// Return true if the symbol is undefined.
-    #[inline]
-    fn is_undefined(&self, endian: Self::Endian) -> bool {
-        self.st_shndx(endian) == elf::SHN_UNDEF
-    }
-
-    /// Return true if the symbol is a definition of a function or data object.
-    fn is_definition(&self, endian: Self::Endian) -> bool {
-        let shndx = self.st_shndx(endian);
-        if shndx == elf::SHN_UNDEF || (shndx >= elf::SHN_LORESERVE && shndx != elf::SHN_XINDEX) {
-            return false;
-        }
-        match self.st_type() {
-            elf::STT_NOTYPE => self.st_size(endian).into() != 0,
-            elf::STT_FUNC | elf::STT_OBJECT => true,
-            _ => false,
-        }
-    }
-}
-
-impl<Endian: endian::Endian> Sym for elf::Sym32<Endian> {
-    type Word = u32;
-    type Endian = Endian;
-
-    #[inline]
-    fn st_name(&self, endian: Self::Endian) -> u32 {
-        self.st_name.get(endian)
-    }
-
-    #[inline]
-    fn st_info(&self) -> u8 {
-        self.st_info
-    }
-
-    #[inline]
-    fn st_bind(&self) -> u8 {
-        self.st_bind()
-    }
-
-    #[inline]
-    fn st_type(&self) -> u8 {
-        self.st_type()
-    }
-
-    #[inline]
-    fn st_other(&self) -> u8 {
-        self.st_other
-    }
-
-    #[inline]
-    fn st_visibility(&self) -> u8 {
-        self.st_visibility()
-    }
-
-    #[inline]
-    fn st_shndx(&self, endian: Self::Endian) -> u16 {
-        self.st_shndx.get(endian)
-    }
-
-    #[inline]
-    fn st_value(&self, endian: Self::Endian) -> Self::Word {
-        self.st_value.get(endian)
-    }
-
-    #[inline]
-    fn st_size(&self, endian: Self::Endian) -> Self::Word {
-        self.st_size.get(endian)
-    }
-}
-
-impl<Endian: endian::Endian> Sym for elf::Sym64<Endian> {
-    type Word = u64;
-    type Endian = Endian;
-
-    #[inline]
-    fn st_name(&self, endian: Self::Endian) -> u32 {
-        self.st_name.get(endian)
-    }
-
-    #[inline]
-    fn st_info(&self) -> u8 {
-        self.st_info
-    }
-
-    #[inline]
-    fn st_bind(&self) -> u8 {
-        self.st_bind()
-    }
-
-    #[inline]
-    fn st_type(&self) -> u8 {
-        self.st_type()
-    }
-
-    #[inline]
-    fn st_other(&self) -> u8 {
-        self.st_other
-    }
-
-    #[inline]
-    fn st_visibility(&self) -> u8 {
-        self.st_visibility()
-    }
-
-    #[inline]
-    fn st_shndx(&self, endian: Self::Endian) -> u16 {
-        self.st_shndx.get(endian)
-    }
-
-    #[inline]
-    fn st_value(&self, endian: Self::Endian) -> Self::Word {
-        self.st_value.get(endian)
-    }
-
-    #[inline]
-    fn st_size(&self, endian: Self::Endian) -> Self::Word {
-        self.st_size.get(endian)
-    }
-}