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-rw-r--r--vendor/object-0.29.0/src/read/pe/section.rs436
1 files changed, 0 insertions, 436 deletions
diff --git a/vendor/object-0.29.0/src/read/pe/section.rs b/vendor/object-0.29.0/src/read/pe/section.rs
deleted file mode 100644
index 439d42dac..000000000
--- a/vendor/object-0.29.0/src/read/pe/section.rs
+++ /dev/null
@@ -1,436 +0,0 @@
-use core::marker::PhantomData;
-use core::{cmp, iter, slice, str};
-
-use crate::endian::LittleEndian as LE;
-use crate::pe;
-use crate::pe::ImageSectionHeader;
-use crate::read::{
- self, CompressedData, CompressedFileRange, ObjectSection, ObjectSegment, ReadError, ReadRef,
- Relocation, Result, SectionFlags, SectionIndex, SectionKind, SegmentFlags,
-};
-
-use super::{ImageNtHeaders, PeFile, SectionTable};
-
-/// An iterator over the loadable sections of a `PeFile32`.
-pub type PeSegmentIterator32<'data, 'file, R = &'data [u8]> =
- PeSegmentIterator<'data, 'file, pe::ImageNtHeaders32, R>;
-/// An iterator over the loadable sections of a `PeFile64`.
-pub type PeSegmentIterator64<'data, 'file, R = &'data [u8]> =
- PeSegmentIterator<'data, 'file, pe::ImageNtHeaders64, R>;
-
-/// An iterator over the loadable sections of a `PeFile`.
-#[derive(Debug)]
-pub struct PeSegmentIterator<'data, 'file, Pe, R = &'data [u8]>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- pub(super) file: &'file PeFile<'data, Pe, R>,
- pub(super) iter: slice::Iter<'data, pe::ImageSectionHeader>,
-}
-
-impl<'data, 'file, Pe, R> Iterator for PeSegmentIterator<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- type Item = PeSegment<'data, 'file, Pe, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- self.iter.next().map(|section| PeSegment {
- file: self.file,
- section,
- })
- }
-}
-
-/// A loadable section of a `PeFile32`.
-pub type PeSegment32<'data, 'file, R = &'data [u8]> =
- PeSegment<'data, 'file, pe::ImageNtHeaders32, R>;
-/// A loadable section of a `PeFile64`.
-pub type PeSegment64<'data, 'file, R = &'data [u8]> =
- PeSegment<'data, 'file, pe::ImageNtHeaders64, R>;
-
-/// A loadable section of a `PeFile`.
-#[derive(Debug)]
-pub struct PeSegment<'data, 'file, Pe, R = &'data [u8]>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- file: &'file PeFile<'data, Pe, R>,
- section: &'data pe::ImageSectionHeader,
-}
-
-impl<'data, 'file, Pe, R> read::private::Sealed for PeSegment<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Pe, R> ObjectSegment<'data> for PeSegment<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- #[inline]
- fn address(&self) -> u64 {
- u64::from(self.section.virtual_address.get(LE)).wrapping_add(self.file.common.image_base)
- }
-
- #[inline]
- fn size(&self) -> u64 {
- u64::from(self.section.virtual_size.get(LE))
- }
-
- #[inline]
- fn align(&self) -> u64 {
- self.file.section_alignment()
- }
-
- #[inline]
- fn file_range(&self) -> (u64, u64) {
- let (offset, size) = self.section.pe_file_range();
- (u64::from(offset), u64::from(size))
- }
-
- fn data(&self) -> Result<&'data [u8]> {
- self.section.pe_data(self.file.data)
- }
-
- fn data_range(&self, address: u64, size: u64) -> Result<Option<&'data [u8]>> {
- Ok(read::util::data_range(
- self.data()?,
- self.address(),
- address,
- size,
- ))
- }
-
- #[inline]
- fn name_bytes(&self) -> Result<Option<&[u8]>> {
- self.section
- .name(self.file.common.symbols.strings())
- .map(Some)
- }
-
- #[inline]
- fn name(&self) -> Result<Option<&str>> {
- let name = self.section.name(self.file.common.symbols.strings())?;
- Ok(Some(
- str::from_utf8(name)
- .ok()
- .read_error("Non UTF-8 PE section name")?,
- ))
- }
-
- #[inline]
- fn flags(&self) -> SegmentFlags {
- let characteristics = self.section.characteristics.get(LE);
- SegmentFlags::Coff { characteristics }
- }
-}
-
-/// An iterator over the sections of a `PeFile32`.
-pub type PeSectionIterator32<'data, 'file, R = &'data [u8]> =
- PeSectionIterator<'data, 'file, pe::ImageNtHeaders32, R>;
-/// An iterator over the sections of a `PeFile64`.
-pub type PeSectionIterator64<'data, 'file, R = &'data [u8]> =
- PeSectionIterator<'data, 'file, pe::ImageNtHeaders64, R>;
-
-/// An iterator over the sections of a `PeFile`.
-#[derive(Debug)]
-pub struct PeSectionIterator<'data, 'file, Pe, R = &'data [u8]>
-where
- 'data: 'file,
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- pub(super) file: &'file PeFile<'data, Pe, R>,
- pub(super) iter: iter::Enumerate<slice::Iter<'data, pe::ImageSectionHeader>>,
-}
-
-impl<'data, 'file, Pe, R> Iterator for PeSectionIterator<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- type Item = PeSection<'data, 'file, Pe, R>;
-
- fn next(&mut self) -> Option<Self::Item> {
- self.iter.next().map(|(index, section)| PeSection {
- file: self.file,
- index: SectionIndex(index + 1),
- section,
- })
- }
-}
-
-/// A section of a `PeFile32`.
-pub type PeSection32<'data, 'file, R = &'data [u8]> =
- PeSection<'data, 'file, pe::ImageNtHeaders32, R>;
-/// A section of a `PeFile64`.
-pub type PeSection64<'data, 'file, R = &'data [u8]> =
- PeSection<'data, 'file, pe::ImageNtHeaders64, R>;
-
-/// A section of a `PeFile`.
-#[derive(Debug)]
-pub struct PeSection<'data, 'file, Pe, R = &'data [u8]>
-where
- 'data: 'file,
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- pub(super) file: &'file PeFile<'data, Pe, R>,
- pub(super) index: SectionIndex,
- pub(super) section: &'data pe::ImageSectionHeader,
-}
-
-impl<'data, 'file, Pe, R> read::private::Sealed for PeSection<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
-}
-
-impl<'data, 'file, Pe, R> ObjectSection<'data> for PeSection<'data, 'file, Pe, R>
-where
- Pe: ImageNtHeaders,
- R: ReadRef<'data>,
-{
- type RelocationIterator = PeRelocationIterator<'data, 'file, R>;
-
- #[inline]
- fn index(&self) -> SectionIndex {
- self.index
- }
-
- #[inline]
- fn address(&self) -> u64 {
- u64::from(self.section.virtual_address.get(LE)).wrapping_add(self.file.common.image_base)
- }
-
- #[inline]
- fn size(&self) -> u64 {
- u64::from(self.section.virtual_size.get(LE))
- }
-
- #[inline]
- fn align(&self) -> u64 {
- self.file.section_alignment()
- }
-
- #[inline]
- fn file_range(&self) -> Option<(u64, u64)> {
- let (offset, size) = self.section.pe_file_range();
- if size == 0 {
- None
- } else {
- Some((u64::from(offset), u64::from(size)))
- }
- }
-
- fn data(&self) -> Result<&'data [u8]> {
- self.section.pe_data(self.file.data)
- }
-
- fn data_range(&self, address: u64, size: u64) -> Result<Option<&'data [u8]>> {
- Ok(read::util::data_range(
- self.data()?,
- self.address(),
- address,
- size,
- ))
- }
-
- #[inline]
- fn compressed_file_range(&self) -> Result<CompressedFileRange> {
- Ok(CompressedFileRange::none(self.file_range()))
- }
-
- #[inline]
- fn compressed_data(&self) -> Result<CompressedData<'data>> {
- self.data().map(CompressedData::none)
- }
-
- #[inline]
- fn name_bytes(&self) -> Result<&[u8]> {
- self.section.name(self.file.common.symbols.strings())
- }
-
- #[inline]
- fn name(&self) -> Result<&str> {
- let name = self.name_bytes()?;
- str::from_utf8(name)
- .ok()
- .read_error("Non UTF-8 PE section name")
- }
-
- #[inline]
- fn segment_name_bytes(&self) -> Result<Option<&[u8]>> {
- Ok(None)
- }
-
- #[inline]
- fn segment_name(&self) -> Result<Option<&str>> {
- Ok(None)
- }
-
- #[inline]
- fn kind(&self) -> SectionKind {
- self.section.kind()
- }
-
- fn relocations(&self) -> PeRelocationIterator<'data, 'file, R> {
- PeRelocationIterator(PhantomData)
- }
-
- fn flags(&self) -> SectionFlags {
- SectionFlags::Coff {
- characteristics: self.section.characteristics.get(LE),
- }
- }
-}
-
-impl<'data> SectionTable<'data> {
- /// Return the file offset of the given virtual address, and the size up
- /// to the end of the section containing it.
- ///
- /// Returns `None` if no section contains the address.
- pub fn pe_file_range_at(&self, va: u32) -> Option<(u32, u32)> {
- self.iter().find_map(|section| section.pe_file_range_at(va))
- }
-
- /// Return the data starting at the given virtual address, up to the end of the
- /// section containing it.
- ///
- /// Ignores sections with invalid data.
- ///
- /// Returns `None` if no section contains the address.
- pub fn pe_data_at<R: ReadRef<'data>>(&self, data: R, va: u32) -> Option<&'data [u8]> {
- self.iter().find_map(|section| section.pe_data_at(data, va))
- }
-
- /// Return the data of the section that contains the given virtual address in a PE file.
- ///
- /// Also returns the virtual address of that section.
- ///
- /// Ignores sections with invalid data.
- pub fn pe_data_containing<R: ReadRef<'data>>(
- &self,
- data: R,
- va: u32,
- ) -> Option<(&'data [u8], u32)> {
- self.iter()
- .find_map(|section| section.pe_data_containing(data, va))
- }
-
- /// Return the section that contains a given virtual address.
- pub fn section_containing(&self, va: u32) -> Option<&'data ImageSectionHeader> {
- self.iter().find(|section| section.contains_rva(va))
- }
-}
-
-impl pe::ImageSectionHeader {
- /// Return the offset and size of the section in a PE file.
- ///
- /// The size of the range will be the minimum of the file size and virtual size.
- pub fn pe_file_range(&self) -> (u32, u32) {
- // Pointer and size will be zero for uninitialized data; we don't need to validate this.
- let offset = self.pointer_to_raw_data.get(LE);
- let size = cmp::min(self.virtual_size.get(LE), self.size_of_raw_data.get(LE));
- (offset, size)
- }
-
- /// Return the file offset of the given virtual address, and the remaining size up
- /// to the end of the section.
- ///
- /// Returns `None` if the section does not contain the address.
- pub fn pe_file_range_at(&self, va: u32) -> Option<(u32, u32)> {
- let section_va = self.virtual_address.get(LE);
- let offset = va.checked_sub(section_va)?;
- let (section_offset, section_size) = self.pe_file_range();
- // Address must be within section (and not at its end).
- if offset < section_size {
- Some((section_offset.checked_add(offset)?, section_size - offset))
- } else {
- None
- }
- }
-
- /// Return the virtual address and size of the section.
- pub fn pe_address_range(&self) -> (u32, u32) {
- (self.virtual_address.get(LE), self.virtual_size.get(LE))
- }
-
- /// Return the section data in a PE file.
- ///
- /// The length of the data will be the minimum of the file size and virtual size.
- pub fn pe_data<'data, R: ReadRef<'data>>(&self, data: R) -> Result<&'data [u8]> {
- let (offset, size) = self.pe_file_range();
- data.read_bytes_at(offset.into(), size.into())
- .read_error("Invalid PE section offset or size")
- }
-
- /// Return the data starting at the given virtual address, up to the end of the
- /// section.
- ///
- /// Ignores sections with invalid data.
- ///
- /// Returns `None` if the section does not contain the address.
- pub fn pe_data_at<'data, R: ReadRef<'data>>(&self, data: R, va: u32) -> Option<&'data [u8]> {
- let (offset, size) = self.pe_file_range_at(va)?;
- data.read_bytes_at(offset.into(), size.into()).ok()
- }
-
- /// Tests whether a given RVA is part of this section
- pub fn contains_rva(&self, va: u32) -> bool {
- let section_va = self.virtual_address.get(LE);
- match va.checked_sub(section_va) {
- None => false,
- Some(offset) => {
- // Address must be within section (and not at its end).
- offset < self.virtual_size.get(LE)
- }
- }
- }
-
- /// Return the section data if it contains the given virtual address.
- ///
- /// Also returns the virtual address of that section.
- ///
- /// Ignores sections with invalid data.
- pub fn pe_data_containing<'data, R: ReadRef<'data>>(
- &self,
- data: R,
- va: u32,
- ) -> Option<(&'data [u8], u32)> {
- let section_va = self.virtual_address.get(LE);
- let offset = va.checked_sub(section_va)?;
- let (section_offset, section_size) = self.pe_file_range();
- // Address must be within section (and not at its end).
- if offset < section_size {
- let section_data = data
- .read_bytes_at(section_offset.into(), section_size.into())
- .ok()?;
- Some((section_data, section_va))
- } else {
- None
- }
- }
-}
-
-/// An iterator over the relocations in an `PeSection`.
-#[derive(Debug)]
-pub struct PeRelocationIterator<'data, 'file, R = &'data [u8]>(
- PhantomData<(&'data (), &'file (), R)>,
-);
-
-impl<'data, 'file, R> Iterator for PeRelocationIterator<'data, 'file, R> {
- type Item = (u64, Relocation);
-
- fn next(&mut self) -> Option<Self::Item> {
- None
- }
-}
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