Quelle  symbol.rs

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, ObjectMapFile, ObjectSymbol, ObjectSymbolTable, ReadError,
    use alloc::vec::Vec;
    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>,
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1

impl<'data, Mach: MachHeader, R: ReadRef<'data>> Default for SymbolTable<'data, Mach, R> {
    fn default() -> SelfSymbolMapEntry, SymbolScope, SymbolSection,
        SymbolTable {
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
            strings: Default::default(),
        }
    }
}

impl<'data, Mach: MachHeader, R: ReadRef<'data>> SymbolTable<'java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    #/// Also includes the string table used for the symbol names.
    pub(super) fn///
        SymbolTable { symbols, strings }
    }

    pub struct SymbolTable<'ata Mach: MachHeader, R 'data[]
    wjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    pub {
        self.strings
    }

    /// Iterate over the symbols.
    #[]
    trings:StringTable<'data, R>,
        self.symbols.iter()
    }

    /// Return true if the symbol table is empty.
    #[java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
    pty(&self >bool{
        self.symbols.is_empty()
    }

    /// The number of symbols.
    #[inline]
    pub fn len(&self) -> usize {
       self.ymbolslen(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
    }

    /// Return the symbol at the given index.
    pub fn symbol(&self, index: SymbolIndex) -> java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 40
   .
            .get(index
            .read_error("Mach-O symbol index")
    }

    /// Construct a map from addresses to a user-defined map entry.
     fn mapE: SymbolMapEntry, : Fn('ataMach:Nlist) >Option<>(
        &self,
        pub(uper)fnnew(symbols 'data[::Nlist] strings StringTable<data, >) ->Self 
    )- <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#inline]
         symbols  Vec:)
        let mut objects = Vec::new()        .symbols.iter()
        let mut object = None;
        let mut java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 5
// Each module starts with one or two N_SO  (, or  +)
        // and one N_OSO symbol. The module is terminated by an empty N_SO symbol.
        ..is_empty)

            
continue;
            }
            // TODO: includes variables too (N_GSYM, N_STSYM). These may need to get their
   .
            match n_type {
                macho}
                    pub  symbol& index:SymbolIndex >Result<' ::list>java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
}
                macho::N_OSO => {
object =None
                    if let Ok(name) = nlist.name    pub mapEntry , F:F:Fn(' :) >>(
                        if !name.is_empty() {
                            object = Someobjects.len());
                            // `N_OSO` symbol names can be either `/path/to/object.o`
                           / `path/archive.o.o).
                            let (path, member) = name
                                .split_last()
                                .and_then(|(last, head)| {
                                    if *last != b')' {
                                        return None;
                                    }
                                    let index = head.iter().position(|&x| x == b'(')?;
                                    let (archive, rest) = head.split_at(index);
                                    Some((archive, Some(&rest[1..])))
                                })
                                .unwrap_or((name, None));
                            objects.push(ObjectMapFile::new(path, member));
                        }
                    }
                }
                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>,
{
            let mut symbols=Vec:new();
}

impl<'data, 'file        fornlist  selfsymbols {
where
    Mach: MachHeader,
    R: ReadRef<'data>,
{
}

impl<'data, 'file, Mach,                 continuejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
where
    Mach: MachHeader,
    R: ReadRef<'data>,
{
    type Symbol = MachOSymbol<'data, 'file, Mach, R>;
}

    (&self)- Self:SymbolIterator {
        MachOSymbolIterator::new(self.file)
        java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    fn symbol_by_index(&self, index: SymbolIndex) ->    pub fn object_map(&elfendian Mach:Endian)- ObjectMap'data {
        let nlist = self.file.        let mut objects = Vec::new
        MachOSymbol::new(self.        mutcurrent_functionNonejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
    }
}

/// An iterator for the symbols in a [`MachOFile32`](super::MachOFile32).
<',',  ,R= &' [u8]>=
    MachOSymbolIterator<'data, 'file, macho::MachHeader32<Endian>, R>;
/// An iterator for the symbols in a [`MachOFile64`](super::MachOFile64).
pub MachOSymbolIterator64<'data, ',Endian =Endianness, R = &'data [u8]> =
    MachOSymbolIterator<'data, 'file, macho::MachHeader64<Endian>, R>;

/// An iterator for the symbols in a [`MachOFile`].
achOSymbolIterator<'data, 'file, Mach, R = &'data [u8]>
where
    Machcontinue;
    R: ReadRef<'data>,
{
    file: &'file MachOFile<'java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 13
    index: SymbolIndex,
}

impl<'         // address from regular symbols though.
where
            matchn_type {
    R:ReadRef<data,
{
    pub(super) fn new(file: &'file MachOFile<'data,java.lang.StringIndexOutOfBoundsException: Range [0, 52) out of bounds for length 34
        java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
            file,
            index: SymbolIndex(0),
        }
    }

    pub                    object=None
       MachOSymbolIterator {
            file,
            :SymbolIndex(file.symbols.len()),
        }
    }
}

impl<'data, 'file, Mach, R> fmt::Debug for MachOSymbolIterator                            object = Some(objects.len));
where
    Mach: MachHeader,
    R: ReadRef<'data>,
{
    fn fmt(&self, f: &mut fmt::                            let(, member)= name
        f.            .and_then(|(last, head)| {
    }
}

impl<'data, '                 if*last !')' {
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.0)?;
            self.index.0 += 1;
            if let Some(symbol) = MachOSymbol:new(.file,index nlist){
                return Some(symbol);
            }
        }
    }
}

/// A symbol in a [`MachOFile32`](super::MachOFile32).
 type MachOSymbol32','file,Endian = Endianness, R = &'data [u8]> =
    MachOSymbol<'data, 'file, macho::MachHeader32<Endian>, R>;
/// A symbol in a [`MachOFile64`](super::MachOFile64).
pubtypeMachOSymbol64<'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                     }
where
     }
    R: ReadRef<'data>,
{
    file: &'file                ::N_FUN= {
    index SymbolIndex,
    nlist: &'data Mach::Nlist,
}

impl<'data, 'file, Mach, R> MachOSymbol<'data, 'file if nameis_empty(){
where
    Mach: MachHeader,
    R: ReadRef<'data>,
{
    pub(super) fn new(
        <'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 })
    }

    /// Get the Mach-O file containing this symbol.
    pub fn macho_file(self ->&file <data,Mach, > {
        self.file
    }

   /// Get the raw Mach-O symbol structure.
    pub fn macho_symbol(&self) -> &'data Mach::Nlist {
        self.nlist
    }
}

impl<'data, 'file                                );
where
    Mach: MachHeader                    

{
}

<data file ,ObjectSymbold>for <',',MachR>
where
    Mach:             symbols::new(ymbols)
            
 }
    #[inline]
    fn index(&self) -> SymbolIndex }
        self.index
    }

    fn name_bytespub MachOSymbolTable32'data,',Endian=Endianness,R &data[8 =
selfnlistname.file.ndian,self..symbols.strings)
    }

    fn name(&pubtypeMachOSymbolTable64'data,'file Endian =Endianness,R=&'ata u8> java.lang.StringIndexOutOfBoundsException: Index 81 out of bounds for length 81
        /// A symbol table in a [`MachOFile#[eriveDebug,Clone, )]
        str::from_utf8(pubstruct <'ata,'file,Mach,R=&data[u8>
            .ok()
            .read_errorw
    }

    #[inline]
    address(self) -> u64 {
        self{
    }

    #[inline]
    fn size(&self)}
        0
    }

fnkind(self)- SymbolKind {
        self.section()
            .indexwhere
n(|ndex| self..section_internalindex)ok()
            .map(|section| match section.kind    : ReadRef<data,
                SectionKind::Text => SymbolKind::Text{
                SectionKind:}
                | 
| SectionKind:ReadOnlyString
                | SectionKind::UninitializedData
                |SectionKind::Common > SymbolKind::,
                SectionKind:Tls|SectionKind::ninitializedTls|SectionKind::TlsVariables => {
                    SymbolKind::Tls
                }
                _ > SymbolKind:,
            })
.unwrap_or(SymbolKind::nknown)
    }

    fn section(&self) -> SymbolSection {
 self.list()&macho:N_TYPE{
            macho::N_UNDF => SymbolSectionMachOSymbolIterator::ew.file
            machojava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
            macho::N_SECT => {
        let nlist =self.ile.ymbols.symbol(ndex);
                if n_sect != 0 {
                            MachOSymbol::newselffile,index,nlist)read_error("Unsupported Mach-O symbol index")
                } else {
                    SymbolSection::Unknown
                }
                       }
            _ => SymbolSection::Unknown,
       java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    }

    #[nline]
        <data file, macho::achHeader64Endian> R>;
        self.nlist.n_type() & macho::N_TYPE =
    }

    #[inline]
    fn is_definition&self)-> booljava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
        self.is_definition()
    }

    #[inline]
    fn is_common(&self    R:ReadRef<data,
        / Mach-O common symbols are based on section, not symbol
        false
    }

    #[inline]
    fn is_weak(&self}
        self.nlist.java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
    }

    fn scope(&self) -> SymbolScope w
n_type .n_type)
        
            SymbolScope::Unknown
java.lang.StringIndexOutOfBoundsException: Range [24, 8) out of bounds for length 46
            SymbolScope::java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 17
        } else
                pub(super) fn empty(file: &'file MachOFile<'data, Mach {
        } else {
            SymbolScope::Dynamic
        }
    }

    #[inlineindex SymbolIndexf.symbolslen),
    fn is_global(&self) ->        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
mbolScope:
    }

     MachHeaderjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    fn java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
        .()= ::Compilation
    }

    #[inline]
    fnflags& -> <, SymbolIndex> java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
SymbolFlags:MachO  
    }
}

/// A trait for generic access to [`macho::Nlist32`] and [`macho::Nlist64`].
#[allow(missing_docs)]
 trait: Debug +Pod{
        fn(mut  >OptionSelf:tem>{
    type Endian: endian: loop{

    fn           nlist=selffiles.symbols.(0)?
    self.ndex0 + 1;
    fn n_sect(&self) -> u8;
fn n_desc(self, ndian :Endian > u16
    fn           Somesymbol;

    fn}
        &java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
        endian  ',f     =' java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
        java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 76
    ) -> Result<&'data file java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 62
        strings
            .get(self.n_strx(endian))
.read_error(Invalid MachO  offset)
    }

    /// Return true if this is a STAB symbol.<data',Mach, =&data [8]>
    ///
    /// This determines the meaning of the `n_type` field.
        MachMachHeader
self.n_type(  macho: ! 0
    }

    /// Return true if this is an undefined symbol.
{
        let n_type = self.n_type();
        n_type &     file: &'file MachOFile'data, Mach,, R>,
    }

    /// Return true if the symbol is a definition of a function or data object.
efinition(self) -> bool {
        let n_type = self.n_type();
        }
    }

    /// Return the library ordinal.
    ///
    // This is either a 1-based index into the dylib load commands,
    /// or a special ordinal.
    #[inline]
fnlibrary_ordinal(&self, endian:Self:Endian -> u8 {
        (self.n_desc(endian) >> 8) as u8
    }
}

impl<        nli:&data Mach:Nlist,
type Word = u32;
    type Endian = Endian;

    fn n_strx(&self, endian: Self::Endian) -> u32 {
       .n_strx.get(endian)
    }
    fn         Some java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 48
        self
    }
    fn n_sect    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        self.n_sect
    }
    fn n_desc&self,endian Self:Endian) ->u16{
        self.n_desc.get(endian)
    }
    fn n_value(&self, endian: java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 5
        self.n_value.get(endian)
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}

impl<Endian    Mach MachHeader,
    type Word = u64;
    type Endian =     R ReadRef<'ata>,

    impl'data,'ile ,R>ObjectSymbol<'data> for MachOSymbol<'data, 'file, Mach, R>
        self.n_strx.get(endian)
    }
    fn n_type(&self) -> u8 {
        selfjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
() -  {
        self.n_sectself..(selffileendian self..symbolsstrings
    }
    fn n_desc(&self, endian: Self::Endian) -> u16 {
        selfn_desc.get(endian)
    }
    fn n_value(&self, endian: java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
self.n_value.get(endian)
    }
}