From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/object/src/read/coff/file.rs | 381 ------------------------------------ 1 file changed, 381 deletions(-) delete mode 100644 vendor/object/src/read/coff/file.rs (limited to 'vendor/object/src/read/coff/file.rs') diff --git a/vendor/object/src/read/coff/file.rs b/vendor/object/src/read/coff/file.rs deleted file mode 100644 index 40b9e70..0000000 --- a/vendor/object/src/read/coff/file.rs +++ /dev/null @@ -1,381 +0,0 @@ -use alloc::vec::Vec; -use core::fmt::Debug; - -use crate::read::{ - self, Architecture, Export, FileFlags, Import, NoDynamicRelocationIterator, Object, ObjectKind, - ObjectSection, ReadError, ReadRef, Result, SectionIndex, SubArchitecture, SymbolIndex, -}; -use crate::{pe, LittleEndian as LE, Pod}; - -use super::{ - CoffComdat, CoffComdatIterator, CoffSection, CoffSectionIterator, CoffSegment, - CoffSegmentIterator, CoffSymbol, CoffSymbolIterator, CoffSymbolTable, ImageSymbol, - SectionTable, SymbolTable, -}; - -/// The common parts of `PeFile` and `CoffFile`. -#[derive(Debug)] -pub(crate) struct CoffCommon<'data, R: ReadRef<'data>, Coff: CoffHeader = pe::ImageFileHeader> { - pub(crate) sections: SectionTable<'data>, - pub(crate) symbols: SymbolTable<'data, R, Coff>, - pub(crate) image_base: u64, -} - -/// A COFF bigobj object file with 32-bit section numbers. -/// -/// This is a file that starts with [`pe::AnonObjectHeaderBigobj`], and corresponds -/// to [`crate::FileKind::CoffBig`]. -/// -/// Most functionality is provided by the [`Object`] trait implementation. -pub type CoffBigFile<'data, R = &'data [u8]> = CoffFile<'data, R, pe::AnonObjectHeaderBigobj>; - -/// A COFF object file. -/// -/// This is a file that starts with [`pe::ImageFileHeader`], and corresponds -/// to [`crate::FileKind::Coff`]. -/// -/// Most functionality is provided by the [`Object`] trait implementation. -#[derive(Debug)] -pub struct CoffFile<'data, R: ReadRef<'data> = &'data [u8], Coff: CoffHeader = pe::ImageFileHeader> -{ - pub(super) header: &'data Coff, - pub(super) common: CoffCommon<'data, R, Coff>, - pub(super) data: R, -} - -impl<'data, R: ReadRef<'data>, Coff: CoffHeader> CoffFile<'data, R, Coff> { - /// Parse the raw COFF file data. - pub fn parse(data: R) -> Result { - let mut offset = 0; - let header = Coff::parse(data, &mut offset)?; - let sections = header.sections(data, offset)?; - let symbols = header.symbols(data)?; - - Ok(CoffFile { - header, - common: CoffCommon { - sections, - symbols, - image_base: 0, - }, - data, - }) - } -} - -impl<'data, R: ReadRef<'data>, Coff: CoffHeader> read::private::Sealed - for CoffFile<'data, R, Coff> -{ -} - -impl<'data, 'file, R, Coff> Object<'data, 'file> for CoffFile<'data, R, Coff> -where - 'data: 'file, - R: 'file + ReadRef<'data>, - Coff: CoffHeader, -{ - type Segment = CoffSegment<'data, 'file, R, Coff>; - type SegmentIterator = CoffSegmentIterator<'data, 'file, R, Coff>; - type Section = CoffSection<'data, 'file, R, Coff>; - type SectionIterator = CoffSectionIterator<'data, 'file, R, Coff>; - type Comdat = CoffComdat<'data, 'file, R, Coff>; - type ComdatIterator = CoffComdatIterator<'data, 'file, R, Coff>; - type Symbol = CoffSymbol<'data, 'file, R, Coff>; - type SymbolIterator = CoffSymbolIterator<'data, 'file, R, Coff>; - type SymbolTable = CoffSymbolTable<'data, 'file, R, Coff>; - type DynamicRelocationIterator = NoDynamicRelocationIterator; - - fn architecture(&self) -> Architecture { - match self.header.machine() { - pe::IMAGE_FILE_MACHINE_ARMNT => Architecture::Arm, - pe::IMAGE_FILE_MACHINE_ARM64 | pe::IMAGE_FILE_MACHINE_ARM64EC => Architecture::Aarch64, - pe::IMAGE_FILE_MACHINE_I386 => Architecture::I386, - pe::IMAGE_FILE_MACHINE_AMD64 => Architecture::X86_64, - _ => Architecture::Unknown, - } - } - - fn sub_architecture(&self) -> Option { - match self.header.machine() { - pe::IMAGE_FILE_MACHINE_ARM64EC => Some(SubArchitecture::Arm64EC), - _ => None, - } - } - - #[inline] - fn is_little_endian(&self) -> bool { - true - } - - #[inline] - fn is_64(&self) -> bool { - // Windows COFF is always 32-bit, even for 64-bit architectures. This could be confusing. - false - } - - fn kind(&self) -> ObjectKind { - ObjectKind::Relocatable - } - - fn segments(&'file self) -> CoffSegmentIterator<'data, 'file, R, Coff> { - CoffSegmentIterator { - file: self, - iter: self.common.sections.iter(), - } - } - - fn section_by_name_bytes( - &'file self, - section_name: &[u8], - ) -> Option> { - self.sections() - .find(|section| section.name_bytes() == Ok(section_name)) - } - - fn section_by_index( - &'file self, - index: SectionIndex, - ) -> Result> { - let section = self.common.sections.section(index.0)?; - Ok(CoffSection { - file: self, - index, - section, - }) - } - - fn sections(&'file self) -> CoffSectionIterator<'data, 'file, R, Coff> { - CoffSectionIterator { - file: self, - iter: self.common.sections.iter().enumerate(), - } - } - - fn comdats(&'file self) -> CoffComdatIterator<'data, 'file, R, Coff> { - CoffComdatIterator { - file: self, - index: 0, - } - } - - fn symbol_by_index( - &'file self, - index: SymbolIndex, - ) -> Result> { - let symbol = self.common.symbols.symbol(index.0)?; - Ok(CoffSymbol { - file: &self.common, - index, - symbol, - }) - } - - fn symbols(&'file self) -> CoffSymbolIterator<'data, 'file, R, Coff> { - CoffSymbolIterator { - file: &self.common, - index: 0, - } - } - - #[inline] - fn symbol_table(&'file self) -> Option> { - Some(CoffSymbolTable { file: &self.common }) - } - - fn dynamic_symbols(&'file self) -> CoffSymbolIterator<'data, 'file, R, Coff> { - CoffSymbolIterator { - file: &self.common, - // Hack: don't return any. - index: self.common.symbols.len(), - } - } - - #[inline] - fn dynamic_symbol_table(&'file self) -> Option> { - None - } - - #[inline] - fn dynamic_relocations(&'file self) -> Option { - None - } - - #[inline] - fn imports(&self) -> Result>> { - // TODO: this could return undefined symbols, but not needed yet. - Ok(Vec::new()) - } - - #[inline] - fn exports(&self) -> Result>> { - // TODO: this could return global symbols, but not needed yet. - Ok(Vec::new()) - } - - fn has_debug_symbols(&self) -> bool { - self.section_by_name(".debug_info").is_some() - } - - fn relative_address_base(&self) -> u64 { - 0 - } - - #[inline] - fn entry(&self) -> u64 { - 0 - } - - fn flags(&self) -> FileFlags { - FileFlags::Coff { - characteristics: self.header.characteristics(), - } - } -} - -/// Read the `class_id` field from a [`pe::AnonObjectHeader`]. -/// -/// This can be used to determine the format of the header. -pub fn anon_object_class_id<'data, R: ReadRef<'data>>(data: R) -> Result { - let header = data - .read_at::(0) - .read_error("Invalid anon object header size or alignment")?; - Ok(header.class_id) -} - -/// A trait for generic access to [`pe::ImageFileHeader`] and [`pe::AnonObjectHeaderBigobj`]. -#[allow(missing_docs)] -pub trait CoffHeader: Debug + Pod { - type ImageSymbol: ImageSymbol; - type ImageSymbolBytes: Debug + Pod; - - /// Return true if this type is [`pe::AnonObjectHeaderBigobj`]. - /// - /// This is a property of the type, not a value in the header data. - fn is_type_bigobj() -> bool; - - fn machine(&self) -> u16; - fn number_of_sections(&self) -> u32; - fn pointer_to_symbol_table(&self) -> u32; - fn number_of_symbols(&self) -> u32; - fn characteristics(&self) -> u16; - - /// Read the file header. - /// - /// `data` must be the entire file data. - /// `offset` must be the file header offset. It is updated to point after the optional header, - /// which is where the section headers are located. - fn parse<'data, R: ReadRef<'data>>(data: R, offset: &mut u64) -> read::Result<&'data Self>; - - /// Read the section table. - /// - /// `data` must be the entire file data. - /// `offset` must be after the optional file header. - #[inline] - fn sections<'data, R: ReadRef<'data>>( - &self, - data: R, - offset: u64, - ) -> read::Result> { - SectionTable::parse(self, data, offset) - } - - /// Read the symbol table and string table. - /// - /// `data` must be the entire file data. - #[inline] - fn symbols<'data, R: ReadRef<'data>>( - &self, - data: R, - ) -> read::Result> { - SymbolTable::parse(self, data) - } -} - -impl CoffHeader for pe::ImageFileHeader { - type ImageSymbol = pe::ImageSymbol; - type ImageSymbolBytes = pe::ImageSymbolBytes; - - fn is_type_bigobj() -> bool { - false - } - - fn machine(&self) -> u16 { - self.machine.get(LE) - } - - fn number_of_sections(&self) -> u32 { - self.number_of_sections.get(LE).into() - } - - fn pointer_to_symbol_table(&self) -> u32 { - self.pointer_to_symbol_table.get(LE) - } - - fn number_of_symbols(&self) -> u32 { - self.number_of_symbols.get(LE) - } - - fn characteristics(&self) -> u16 { - self.characteristics.get(LE) - } - - fn parse<'data, R: ReadRef<'data>>(data: R, offset: &mut u64) -> read::Result<&'data Self> { - let header = data - .read::(offset) - .read_error("Invalid COFF file header size or alignment")?; - - // Skip over the optional header. - *offset = offset - .checked_add(header.size_of_optional_header.get(LE).into()) - .read_error("Invalid COFF optional header size")?; - - // TODO: maybe validate that the machine is known? - Ok(header) - } -} - -impl CoffHeader for pe::AnonObjectHeaderBigobj { - type ImageSymbol = pe::ImageSymbolEx; - type ImageSymbolBytes = pe::ImageSymbolExBytes; - - fn is_type_bigobj() -> bool { - true - } - - fn machine(&self) -> u16 { - self.machine.get(LE) - } - - fn number_of_sections(&self) -> u32 { - self.number_of_sections.get(LE) - } - - fn pointer_to_symbol_table(&self) -> u32 { - self.pointer_to_symbol_table.get(LE) - } - - fn number_of_symbols(&self) -> u32 { - self.number_of_symbols.get(LE) - } - - fn characteristics(&self) -> u16 { - 0 - } - - fn parse<'data, R: ReadRef<'data>>(data: R, offset: &mut u64) -> read::Result<&'data Self> { - let header = data - .read::(offset) - .read_error("Invalid COFF bigobj file header size or alignment")?; - - if header.sig1.get(LE) != pe::IMAGE_FILE_MACHINE_UNKNOWN - || header.sig2.get(LE) != 0xffff - || header.version.get(LE) < 2 - || header.class_id != pe::ANON_OBJECT_HEADER_BIGOBJ_CLASS_ID - { - return Err(read::Error("Invalid COFF bigobj header values")); - } - - // TODO: maybe validate that the machine is known? - Ok(header) - } -} -- cgit v1.2.3